/*
Theme Name: SystemDR
Theme URI: https://example.com/themes/systemdr
Description: A comprehensive WordPress theme for online courses, lessons, ebooks, newsletters, and learning management. Features include course management, lesson tracking, markdown support, syntax highlighting, and a modern responsive design. Perfect for system design education and technical learning platforms.
Author: Your Name
Author URI: https://example.com
Version: 1.0.3
Requires at least: 5.0
Tested up to: 6.4
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: systemdr
Tags: education, e-learning, courses, lessons, two-columns, custom-menu, custom-logo, editor-style, featured-images, sticky-post, threaded-comments, translation-ready

This theme, like WordPress, is licensed under the GPL.
Use it to make something cool, have fun, and share what you've learned.
*/

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Base CSS Variables - Always Available */
:root {
    /* Primary Colors */
    --primary-color: #0056d2;
    --primary-color-light: #4285f4;
    --primary-color-dark: #004494;
    --primary-color-rgb: 0, 86, 210;
    
    /* Secondary Colors */
    --secondary-color: #e8f0fe;
    --success-color: #10b981;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #0ea5e9;
    
    /* Text Colors */
    --text-primary: #2d3748;
    --text-secondary: #4a5568;
    --text-tertiary: #718096;
    --text-muted: #cbd5e0;
    
    /* Background Colors */
    --background-primary: #ffffff;
    --background-secondary: #f7fafc;
    --background-tertiary: #f8fafc;
    --background-elevated: #fafbfc;
    --background-section: #f7fafc;
    
    /* Border Colors */
    --border-light: #f1f5f9;
    --border-color: #e2e8f0;
    --border-dark: #cbd5e0;
}

body {
    font-family: 'Source Sans Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-primary);
}

/* Hero Section Gradient - Global Style (Archive & Static Pages Only) */
section.hero-gradient,
section.hero-section {
    background: #f2f5fa !important;
    position: relative !important;
    overflow: hidden !important;
    padding: 60px 0 !important;
}

section.courses-hero,
section.forum-hero,
section.ebook-hero,
section.newsletter-hero,
section.session-hero,
section.page-hero,
section.resources-hero,
section.pricing-hero,
section.contact-hero,
section.support-hero {
    background: linear-gradient(135deg, 
        #d4f1e8 0%,      /* Light green */
        #c3e7f5 35%,     /* Light blue */
        #e8f4f8 70%,     /* Lighter blue */
        #ffffff 100%     /* White */
    ) !important;
    position: relative !important;
    overflow: hidden !important;
    padding: 60px 0 !important;
}

/* Reduce vertical spacing for forum-hero */
section.forum-hero {
    background: #ffffff !important;
    padding: 10px 0 !important;
}

/* E-Books and Newsletters Archive - White to Light Blue Gradient */
section.ebook-hero,
section.newsletter-hero {
    background: linear-gradient(135deg, 
        #ffffff 0%,      /* White */
        #e0f2fe 50%,     /* Light blue */
        #bfdbfe 100%     /* Lighter blue */
    ) !important;
}

/* Single Pages - No Gradient, Just Clean Background - Compact */
section.course-header-section,
section.ebook-header-compact,
section.newsletter-header {
    background: #ffffff !important;
    position: relative !important;
    overflow: hidden !important;
    padding: 40px 0 20px !important;
}

/* Compact hero box for single pages */
section.course-header-section .hero-box,
section.ebook-header-compact .hero-box,
section.newsletter-header .hero-box {
    padding: 32px 40px !important;
    margin-bottom: 0 !important;
}

/* Reduce video container spacing */
section.course-header-section .video-container,
section.course-header-section .video-column {
    margin-bottom: 0 !important;
}

section.course-header-section .video-container iframe {
    max-height: 400px !important;
    height: auto !important;
    aspect-ratio: 16/9;
}

/* Make course hero content more compact */
section.course-header-section .course-hero-content {
    gap: 32px !important;
    align-items: start !important;
}

section.course-header-section .course-info-column {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Reduce excessive spacing */
section.course-header-section .course-title {
    margin-bottom: 12px !important;
}

section.course-header-section .course-stats {
    margin-top: 16px !important;
    margin-bottom: 0 !important;
}

section.course-header-section .course-enroll-section {
    margin-top: 16px !important;
    margin-bottom: 0 !important;
}

/* Make it flexible - use available space efficiently */
@media (min-width: 769px) {
    section.course-header-section .course-hero-content {
        display: grid;
        grid-template-columns: 1.2fr 0.8fr;
        gap: 40px;
        align-items: start;
    }
    
    section.course-header-section .video-container {
        position: sticky;
        top: 80px;
    }
}

/* Optional: Add subtle pattern overlay - Archive & Static Pages Only */
section.hero-gradient::before,
section.hero-section::before,
section.courses-hero::before,
section.forum-hero::before,
section.ebook-hero::before,
section.newsletter-hero::before,
section.session-hero::before,
section.page-hero::before,
section.resources-hero::before,
section.pricing-hero::before,
section.contact-hero::before,
section.support-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.3) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* Single Pages - No overlay pattern */
section.course-header-section::before,
section.ebook-header-compact::before,
section.newsletter-header::before {
    content: none;
}

/* Ensure content is above gradient overlay - Archive & Static Pages */
section.hero-gradient > *,
section.hero-section > *,
section.courses-hero > *,
section.forum-hero > *,
section.ebook-hero > *,
section.newsletter-hero > *,
section.session-hero > *,
section.page-hero > *,
section.resources-hero > *,
section.pricing-hero > *,
section.contact-hero > *,
section.support-hero > * {
    position: relative;
    z-index: 1;
}

/* Single Pages - Simple z-index */
section.course-header-section > *,
section.ebook-header-compact > *,
section.newsletter-header > * {
    position: relative;
    z-index: 1;
}

/* Hide badges that appear incorrectly in course header */
section.course-header-section .course-badges {
    display: none !important;
}

/* If badges need to be shown elsewhere, this can be overridden */
.course-detail .course-badges:not(section.course-header-section .course-badges) {
    display: flex !important;
}

/* Hide instructor and partner info from single page header */
section.course-header-section .course-instructors,
section.course-header-section .course-partner {
    display: none !important;
}

/* ========================================
   COMPREHENSIVE COLOR FIXES FOR VISIBILITY
   ======================================== */

/* Override CSS variables for hero sections to ensure dark text */
section.courses-hero,
section.forum-hero,
section.ebook-hero,
section.newsletter-hero,
section.resources-hero,
section.pricing-hero,
section.contact-hero,
section.support-hero,
section.hero-section,
section.course-header-section,
section.ebook-header-compact,
section.newsletter-header {
    --text-primary: #1e293b;
    --text-secondary: #536471;
    --text-tertiary: #64748b;
    --text-muted: #94a3b8;
}

/* Ensure all hero section headings are dark and readable */
section.courses-hero h1,
section.courses-hero .hero-title,
section.courses-hero .archive-title,
section.forum-hero h1,
section.forum-hero .archive-title,
section.ebook-hero h1,
section.ebook-hero .archive-title,
section.newsletter-hero h1,
section.newsletter-hero .archive-title,
section.resources-hero h1,
section.resources-hero .hero-title,
section.hero-section h1,
section.hero-section .hero-title,
section.pricing-hero h1,
section.contact-hero h1,
section.support-hero h1,
section.course-header-section h1,
section.course-header-section .course-title,
section.ebook-header-compact h1,
section.ebook-header-compact .ebook-title-main,
section.newsletter-header h1,
section.newsletter-header .newsletter-title {
    color: #1e293b !important;
}

/* Hero subtitles and descriptions - medium gray for good contrast */
section.courses-hero p,
section.courses-hero .hero-subtitle,
section.courses-hero .archive-description,
section.forum-hero p,
section.forum-hero .archive-description,
section.ebook-hero p,
section.ebook-hero .archive-description,
section.newsletter-hero p,
section.newsletter-hero .archive-description,
section.newsletter-hero .newsletter-summary,
section.resources-hero p,
section.resources-hero .hero-subtitle,
section.hero-section p,
section.hero-section .hero-subtitle,
section.pricing-hero p,
section.contact-hero p,
section.support-hero p {
    color: #536471 !important;
}

/* Meta information - lighter gray */
section.newsletter-header .newsletter-meta-info span {
    color: #64748b !important;
}

/* Newsletter issue badge - keep blue with white text */
section.newsletter-header .newsletter-issue {
    background: #0056d2 !important;
    color: white !important;
}

/* Ensure button text is properly contrasted */
.btn-primary,
button.btn-primary,
a.btn-primary,
input[type="submit"].btn-primary {
    background: linear-gradient(135deg, #0056d2, #004494) !important;
    color: white !important;
    border: none !important;
}

.btn-secondary,
.btn-outline,
button.btn-secondary,
a.btn-secondary,
button.btn-outline,
a.btn-outline {
    background: white !important;
    color: #0056d2 !important;
    border: 2px solid #0056d2 !important;
}

/* Hover states for better UX */
.btn-primary:hover,
button.btn-primary:hover,
a.btn-primary:hover {
    background: linear-gradient(135deg, #004494, #003366) !important;
    color: white !important;
}

.btn-secondary:hover,
.btn-outline:hover {
    background: #f0f9ff !important;
    color: #004494 !important;
    border-color: #004494 !important;
}

/* Course stats and elements - ensure visibility */
section.course-header-section .stat-label,
section.course-header-section .stat-value {
    color: #1e293b !important;
}

section.course-header-section .stat-item {
    background: rgba(255, 255, 255, 0.8);
    padding: 12px 16px;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
}

/* Ebook details - ensure all text is visible */
section.ebook-header-compact .ebook-author,
section.ebook-header-compact .ebook-summary {
    color: #536471 !important;
}

section.ebook-header-compact .ebook-badge {
    background: #f0f9ff !important;
    color: #0056d2 !important;
    border: 1px solid #bfdbfe !important;
}

section.ebook-header-compact .current-price {
    color: #0056d2 !important;
}

section.ebook-header-compact .original-price {
    color: #94a3b8 !important;
}

/* Ensure all hero box content is readable */
.hero-box h1,
.hero-box h2,
.hero-box h3,
.hero-box .hero-title,
.hero-box .archive-title {
    color: #1e293b !important;
}

.hero-box p,
.hero-box .hero-subtitle,
.hero-box .archive-description {
    color: #536471 !important;
}

/* Fix any remaining light text on light backgrounds */
section[class*="hero"] a:not(.btn),
section[class*="-header"] a:not(.btn) {
    color: #0056d2;
    text-decoration: none;
}

section[class*="hero"] a:not(.btn):hover,
section[class*="-header"] a:not(.btn):hover {
    color: #004494;
    text-decoration: underline;
}

/* Ensure badges and labels are visible */
section[class*="hero"] .badge,
section[class*="-header"] .badge,
section[class*="hero"] .label,
section[class*="-header"] .label {
    background: #f0f9ff;
    color: #0056d2;
    border: 1px solid #bfdbfe;
}

/* Ensure form inputs in hero sections are visible */
section[class*="hero"] input,
section[class*="hero"] select,
section[class*="hero"] textarea,
section[class*="-header"] input,
section[class*="-header"] select,
section[class*="-header"] textarea {
    background: white !important;
    color: #1e293b !important;
    border: 1px solid #cbd5e0 !important;
}

section[class*="hero"] input::placeholder,
section[class*="hero"] textarea::placeholder {
    color: #94a3b8 !important;
}

/* Header Styles */
.site-header {
    background: #fff;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 1000;
}

/* Position navbar below WordPress admin bar when logged in */
body.admin-bar .site-header {
    top: 32px;
}

@media screen and (max-width: 782px) {
    body.admin-bar .site-header {
        top: 0px;
    }
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px; /* Reduced from 80px for compact Google Cloud-like navbar */
    gap: 32px; /* Increased gap between sections for better spacing */
    flex-wrap: nowrap; /* Prevent wrapping */
    overflow-x: hidden; /* Prevent horizontal overflow */
    overflow-y: visible; /* Allow dropdowns to show */
    min-width: 0; /* Allow flex items to shrink below their content size */
    width: 100%; /* Ensure it takes full width */
    box-sizing: border-box; /* Include padding in width calculation */
    position: relative; /* For proper z-index stacking */
}

/* Add padding to body to prevent content from going under fixed navbar */
body {
    padding-top: 56px; /* Reduced from 80px to match compact navbar height */
}

/* Adjust body padding when admin bar is present */
/* Admin bar is 32px tall, navbar is 56px tall, positioned at top: 32px */
/* Content needs to start below both: 32px (admin bar) + 56px (navbar) = 88px */
body.admin-bar {
    padding-top: 56px; /* Admin bar (32px) + Navbar (56px) */
}

@media screen and (max-width: 782px) {
    /* On mobile, admin bar is 46px tall, navbar is at top: 0 */
    body.admin-bar {
        padding-top: 56px; /* Just navbar height on mobile (admin bar doesn't push navbar down) */
    }
}

/* Additional overflow protection for zoom scenarios */
.header-container > * {
    min-width: 0; /* Allow all direct children to shrink */
}

/* Ensure buttons in header-actions never overflow */
.header-actions .btn,
.header-actions a {
    max-width: 150px; /* Limit maximum width of buttons */
    overflow: hidden;
    text-overflow: ellipsis;
}

/* For zoom scenarios - reduce sizes progressively */
@media (max-width: 1400px) {
    .header-container {
        gap: 20px;
    }
    
    .header-actions {
        gap: 10px;
    }
    
    .header-actions .btn {
        padding: 9px 16px;
        font-size: 13px;
    }
}

/* Additional protection for high zoom levels */
@media (max-width: 1100px) {
    .header-container {
        gap: 16px;
        padding: 0 20px;
    }
    
    .main-navigation {
        max-width: calc(100% - 300px); /* Reserve space for logo and buttons */
        margin: 0 8px;
    }
    
    .main-navigation ul {
        gap: 2px;
    }
    
    .main-navigation a {
        font-size: 14px;
        padding: 16px 8px;
    }
    
    .header-actions {
        gap: 8px;
        flex-shrink: 0; /* Prevent buttons from shrinking */
    }
    
    .header-actions .btn {
        padding: 10px 14px;
        font-size: 13px;
        flex-shrink: 0; /* Prevent buttons from shrinking */
    }
    
    .site-branding {
        max-width: 200px;
        flex-shrink: 1; /* Allow logo to shrink if needed */
    }
}

/* Ensure content area doesn't overlap navbar */
#content.site-content {
    position: relative;
    z-index: 1;
}

.site-branding {
    flex-shrink: 1; /* Allow logo to shrink when space is limited */
    min-width: 0; /* Allow proper text truncation if needed */
    max-width: 220px; /* Limit maximum width to prevent excessive space usage */
    overflow: hidden; /* Prevent logo from overflowing */
    white-space: nowrap; /* Keep logo text on one line */
    text-overflow: ellipsis; /* Add ellipsis if text is too long */
}

/* Custom Site Logo Styling */
.site-logo {
    font-size: 18px; /* Reduced from 22px for compact navbar */
    font-weight: bold;
    color: #0056d2;
    text-decoration: none;
    display: inline-flex; /* Changed to flex for better alignment */
    align-items: center; /* Vertically center icon and text */
    white-space: nowrap; /* Prevent text wrapping */
    flex-shrink: 0; /* Prevent shrinking in flex container */
    overflow: hidden; /* Hide overflow */
    text-overflow: ellipsis; /* Add ellipsis if text is too long */
    max-width: 100%; /* Ensure it doesn't exceed container */
    line-height: 1.2; /* Reduced from 1.4 for tighter vertical spacing */
}

.site-logo .site-name {
    display: inline-block;
    vertical-align: middle;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Alternative: If you want to add custom text instead */
.site-logo::before {
    /* Uncomment and customize this to add your own text/logo */
    /* content: "Your Custom Site Name"; */
    /* font-size: 24px; */
    /* font-weight: bold; */
    /* color: #0056d2; */
    display: none; /* Remove this line if using custom text */
}

/* Google Cloud skin logo styling */
.skin-google-cloud .site-logo {
    color: var(--primary-color);
    font-family: var(--font-family);
    font-weight: 500;
}

.skin-google-cloud .site-logo::before {
    /* Google Cloud skin custom text styling */
    /* color: var(--primary-color); */
    /* font-family: var(--font-family); */
    display: none; /* Remove this line if using custom styling */
}

.main-navigation ul {
    display: flex;
    list-style: none;
    gap: 4px; /* Reduced gap for more compact menu */
    margin: 0;
    padding: 0;
    align-items: center;
    flex-wrap: nowrap; /* Prevent wrapping */
    overflow: visible; /* Remove scroll from menu list */
    max-width: 100%; /* Prevent menu from exceeding container */
}

.main-navigation {
    flex: 1 1 auto; /* Allow navigation to grow and shrink */
    display: flex;
    justify-content: center; /* Center the navigation */
    align-items: center;
    overflow: visible; /* Remove scroll, allow dropdowns to show */
    min-width: 0; /* Allow navigation to shrink */
    flex-shrink: 1; /* Allow navigation to shrink when space is limited */
    max-width: calc(100% - 400px); /* Reserve space for logo and buttons */
    margin: 0 16px; /* Add margin for better spacing */
}

.main-navigation .menu-item {
    display: flex;
    align-items: center;
    white-space: nowrap; /* Prevent menu items from wrapping */
    flex-shrink: 0; /* Prevent shrinking */
    overflow: visible; /* Remove scroll from menu items */
}

.main-navigation a {
    text-decoration: none;
    color: #2d3748;
    font-weight: 500;
    transition: all 0.3s ease;
    font-size: 14px; /* Reduced from 15px for compact navbar */
    padding: 8px 12px; /* Reduced from 16px 12px - compact vertical padding */
    line-height: 1.2; /* Reduced from 1.4 for tighter spacing */
    white-space: nowrap; /* Keep text on one line */
    display: inline-block; /* Ensure proper display */
    overflow: visible; /* Allow text to show */
    border-radius: 6px; /* Rounded corners for hover effect */
}

.main-navigation a:hover {
    color: #0056d2;
    background: rgba(0, 86, 210, 0.05); /* Subtle background on hover */
}

/* Ensure menu items display properly - prevent text wrapping */
.main-navigation .menu-item a {
    white-space: nowrap;
    overflow: visible;
    text-overflow: ellipsis;
    max-width: 100%;
}

/* Clean navbar layout for non-logged-in users */
.main-navigation #primary-menu {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    gap: 8px;
    margin: 0;
    padding: 0;
    overflow: visible; /* Remove scroll from menu list */
}

.main-navigation #primary-menu .menu-item {
    position: relative;
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
    flex-shrink: 0;
    overflow: visible; /* Remove scroll from menu items */
}

/* Navigation Dropdown Menus - General Styles */
.main-navigation .menu-item-has-children {
    position: relative;
    display: flex;
    align-items: center;
    overflow: visible; /* Ensure dropdowns can show */
}

/* Create invisible hover bridge between parent menu and dropdown */
.main-navigation .menu-item-has-children::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: 4px;
    background: transparent;
    z-index: 1000;
    pointer-events: auto;
}

.main-navigation .menu-item-has-children > a {
white-space: nowrap; /* Keep parent menu item text on one line */
}

.main-navigation .sub-menu {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    min-width: fit-content;
    width: fit-content;
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.2s cubic-bezier(0.4, 0.0, 0.2, 1);
    z-index: 1001; /* Higher than header z-index to ensure visibility */
    list-style: none;
    margin: 0;
    margin-top: 0;
    overflow: visible;
    height: auto;
    pointer-events: none; /* Prevent interaction when hidden */
}

.main-navigation .menu-item-has-children:hover .sub-menu,
.main-navigation .sub-menu:hover {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto; /* Enable interaction when visible */
}

.main-navigation .sub-menu li {
    margin: 0;
    display: block;
    width: 100%;
    white-space: nowrap;
}

.main-navigation .sub-menu a {
    display: block;
    padding: 12px 20px;
    color: #2d3748;
    font-size: 14px;
    font-weight: 400;
    text-decoration: none;
    transition: all 0.2s ease;
    white-space: nowrap;
    width: 100%;
    box-sizing: border-box;
    border-radius: 0;
}

.main-navigation .sub-menu li:first-child a {
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
}

.main-navigation .sub-menu li:last-child a {
    border-bottom-left-radius: 8px;
    border-bottom-right-radius: 8px;
}

.main-navigation .sub-menu a:hover {
    background: #f7fafc;
    color: #0056d2;
}

/* Mobile Dropdown Styles */
@media (max-width: 900px) {
    .main-navigation .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        border-radius: 0;
        padding: 0;
        padding-left: 20px;
        margin-top: 0;
        display: none;
    }
    
    .main-navigation .menu-item-has-children.open .sub-menu {
        display: block;
    }
    
    .main-navigation .sub-menu a {
        padding: 12px 16px;
        border-bottom: none;
    }
}

.header-actions {
    display: flex;
    gap: 12px; /* Slightly increased gap */
    align-items: center;
    flex-shrink: 0; /* Prevent buttons from shrinking - they need their space */
    white-space: nowrap; /* Prevent button text from wrapping */
    min-width: fit-content; /* Ensure buttons have enough space */
    overflow: visible; /* Allow buttons to show properly */
    margin-left: auto; /* Push buttons to the right */
    padding-left: 20px; /* Add padding to separate from navigation */
    position: relative; /* For separator line */
}

/* Visual separator between navigation and buttons */
.header-actions::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 32px;
    background: linear-gradient(to bottom, transparent, #e2e8f0, transparent);
}

.header-actions .btn {
    white-space: nowrap; /* Keep button text on one line */
    flex-shrink: 0; /* Prevent buttons from shrinking */
    min-width: fit-content; /* Ensure buttons maintain their size */
    overflow: visible; /* Allow button content to show */
    text-overflow: clip; /* Don't use ellipsis - show full text */
    padding: 12px 20px; /* Better padding for attractive buttons */
    font-size: 15px; /* Slightly larger font for better visibility */
    font-weight: 500; /* Medium weight for better appearance */
    border-radius: 8px; /* Rounded corners */
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); /* Smooth transitions */
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); /* Subtle shadow */
    display: inline-flex; /* Better alignment */
    align-items: center; /* Center content vertically */
    justify-content: center; /* Center content horizontally */
    text-decoration: none; /* Remove underline */
    cursor: pointer; /* Pointer cursor */
    line-height: 1.4; /* Better line height */
}

.btn {
    padding: 10px 18px; /* Increased padding for taller navbar */
    border: none;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px; /* Smaller font size for header buttons */
}

.btn-primary {
    background: linear-gradient(135deg, #0056d2, #004494);
    color: white;
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #004494, #003366);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 86, 210, 0.3);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 86, 210, 0.2);
}

.btn-primary:focus {
    outline: 2px solid rgba(0, 86, 210, 0.4);
    outline-offset: 2px;
}

.btn-secondary {
    background: white;
    color: #0056d2;
    border: 2px solid #0056d2;
}

.btn-secondary:hover {
    background: #f0f9ff;
    color: #004494;
    border-color: #004494;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 86, 210, 0.2);
}

.btn-secondary:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 86, 210, 0.1);
}

.btn-secondary:focus {
    outline: 2px solid rgba(0, 86, 210, 0.4);
    outline-offset: 2px;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #0056d2 0%, hwb(209 52% 5% / 0.572) 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.hero-search {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.hero-search form {
    display: flex;
    align-items: center;
    background: white;
    border-radius: 50px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: all 0.3s ease;
}

.hero-search form:focus-within {
    box-shadow: 0 6px 30px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.hero-search input {
    flex: 1;
    padding: 18px 24px;
    border: none;
    font-size: 16px;
    outline: none;
    background: transparent;
    color: #202124;
}

.hero-search input::placeholder {
    color: #9aa0a6;
    font-weight: 400;
}

.hero-search button {
    background: linear-gradient(135deg, #1a73e8, #4285f4);
    color: white;
    border: none;
    padding: 18px 32px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    border-radius: 0 50px 50px 0;
}

.hero-search button:hover {
    background: linear-gradient(135deg, #1557b0, #1a73e8);
    transform: translateX(2px);
}

/* Hero Search Dropdown */
.hero-search {
    position: relative;
}

.hero-search-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    margin-top: 8px;
    max-height: 400px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
    border: 1px solid #e8eaed;
}

.hero-search-suggestion {
    padding: 12px 16px;
    cursor: pointer;
    transition: background-color 0.2s ease;
    border-bottom: 1px solid #f1f3f4;
}

.hero-search-suggestion:last-child {
    border-bottom: none;
}

.hero-search-suggestion:hover,
.hero-search-suggestion-selected {
    background-color: #f8f9fa;
}

.hero-search-suggestion-disabled {
    color: #9aa0a6;
    cursor: not-allowed;
    font-style: italic;
}

.hero-search-suggestion-disabled:hover {
    background-color: transparent;
}

.hero-search-suggestion-title {
    font-size: 15px;
    font-weight: 500;
    color: #202124;
    margin-bottom: 4px;
    line-height: 1.4;
}

.hero-search-suggestion-title strong {
    font-weight: 600;
    color: #1a73e8;
}

.hero-search-suggestion-desc {
    font-size: 13px;
    color: #5f6368;
    line-height: 1.4;
}

.hero-search-suggestion-desc strong {
    font-weight: 600;
    color: #1a73e8;
}

/* Scrollbar styling for dropdown */
.hero-search-dropdown::-webkit-scrollbar {
    width: 8px;
}

.hero-search-dropdown::-webkit-scrollbar-track {
    background: #f1f3f4;
    border-radius: 4px;
}

.hero-search-dropdown::-webkit-scrollbar-thumb {
    background: #dadce0;
    border-radius: 4px;
}

.hero-search-dropdown::-webkit-scrollbar-thumb:hover {
    background: #bdc1c6;
}

/* Course Grid */
.courses-section {
    padding: 80px 0;
    background: #f7fafc;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Normalize container spacing on single-lesson page - no negative margins */
/* Body padding-top from navbar.css handles proper spacing below navbar */
.single-lesson .site-main > .container,
.single-lesson .container,
body.single-lesson .site-main > .container,
body.post-type-lesson .site-main > .container {
    margin-top: 0; /* Remove negative margin to prevent overlap */
}

/* Ensure content inside container has normal spacing */
.single-lesson .site-main > .container > *,
.single-lesson .container > * {
    margin-top: 0;
}

.section-title {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 50px;
    color: #2d3748;
}

.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 50px;
}

.course-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.08);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.course-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.12);
}

.course-image {
    width: 100%;
    height: 140px;
    object-fit: cover;
}

.course-content {
    padding: 14px;
}

.course-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #2d3748;
}

.course-instructor {
    color: #718096;
    font-size: 13px;
    margin-bottom: 8px;
}

.course-rating {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-bottom: 15px;
}

.stars {
    color: #f6ad55;
}

.course-price {
    font-size: 20px;
    font-weight: 700;
    color: #2d3748;
}

.course-price .original {
    text-decoration: line-through;
    color: #718096;
    margin-right: 10px;
}

/* Categories Section */
.categories-section {
    padding: 80px 0;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.category-card {
    background: white;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.category-card:hover {
    transform: translateY(-3px);
}

.category-icon {
    font-size: 48px;
    margin-bottom: 20px;
    color: #0056d2;
}

.category-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
}

.category-count {
    color: #718096;
    font-size: 14px;
}

/* Footer */
.site-footer {
    background: #2d3748 !important;
    background-color: #2d3748 !important;
    color: white;
    padding: 60px 0 20px;
}

/* High-specificity footer background rule to ensure it works on live site */
/* This rule has higher specificity and will override google-styles.css */
body footer#colophon.site-footer,
body #colophon.site-footer,
html body .site-footer,
#page footer#colophon.site-footer {
    background-color: #2d3748 !important;
    background: #2d3748 !important;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 24px;
    margin-bottom: 40px;
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

.footer-section h3 {
    margin-bottom: 20px;
    font-size: 18px;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section a {
    color: #a0aec0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid #4a5568;
    padding-top: 20px;
    text-align: center;
    color: #a0aec0;
}

/* Ebooks Section */
.ebooks-section {
    padding: 30px 0;
    background: #f8f9fa;
}

.ebook-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.ebook-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
}

.ebook-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.ebook-cover {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.ebook-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ebook-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #0066cc 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.ebook-icon {
    font-size: 48px;
    opacity: 0.8;
    color: white;
}

.sale-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: #e53e3e;
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: bold;
    z-index: 2;
}

.ebook-content {
    padding: 20px;
}

.ebook-title {
    margin-bottom: 8px;
    font-size: 18px;
    line-height: 1.4;
}

.ebook-title a {
    color: #2d3748;
    text-decoration: none;
}

.ebook-title a:hover {
    color: #0056d2;
}

.ebook-author {
    color: #718096;
    margin-bottom: 12px;
    font-style: italic;
    font-size: 14px;
}

.ebook-meta {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 13px;
    color: #718096;
}

.ebook-rating {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 15px;
}

.ebook-rating .stars {
    color: #ffd700;
    font-size: 14px;
}

.ebook-rating span:not(.stars) {
    color: #718096;
    font-size: 13px;
}

.ebook-price {
    font-size: 16px;
    font-weight: bold;
}

.original-price {
    text-decoration: line-through;
    color: #718096;
    margin-right: 8px;
    font-size: 14px;
}

.current-price {
    color: #e53e3e;
}

/* Newsletter Section */
.newsletter-section {
    padding: 40px 0;
    background: linear-gradient(135deg, #667eea 0%, #0066cc 100%);
    color: white;
}

.newsletter-signup {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 50px;
}

.newsletter-content .section-title {
    color: white;
    text-align: left;
    margin-bottom: 15px;
}

.newsletter-content .section-subtitle {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 30px;
    font-size: 16px;
}

.newsletter-benefits {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 30px;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
}

.benefit-icon {
    font-size: 18px;
}

.newsletter-form .form-group {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.newsletter-form input[type="email"] {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 16px;
}

.newsletter-form input[type="email"]::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.newsletter-form input[type="email"]:focus {
    border-color: rgba(255, 255, 255, 0.8);
    outline: none;
    background: rgba(255, 255, 255, 0.2);
}

.newsletter-form .btn {
    white-space: nowrap;
    background: #ffffff;
    color: #667eea;
    border: none;
}

.newsletter-form .btn:hover {
    background: #f7fafc;
    transform: translateY(-1px);
}

.newsletter-note {
    color: rgba(255, 255, 255, 0.8);
    font-size: 13px;
    margin: 0;
}

.newsletter-preview {
    display: flex;
    justify-content: center;
}

.preview-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 25px;
    max-width: 300px;
    width: 100%;
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.preview-title {
    font-weight: 600;
    font-size: 14px;
}

.preview-date {
    background: rgba(255, 255, 255, 0.2);
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 12px;
}

.preview-content h4 {
    margin-bottom: 15px;
    font-size: 16px;
}

.preview-content ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.preview-content li {
    padding: 5px 0;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    padding-left: 15px;
}

.preview-content li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #ffd700;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .header-container {
        padding: 0 20px;
        gap: 20px; /* Maintain good spacing */
        overflow: hidden; /* Ensure overflow is hidden */
    }
    
    .main-navigation {
        max-width: calc(100% - 350px); /* Reserve space for logo and buttons */
        margin: 0 12px;
    }
    
    .main-navigation a {
        font-size: 14px;
        padding: 16px 10px;
    }
    
    .main-navigation ul {
        gap: 2px;
    }
    
    .header-actions {
        gap: 10px; /* Maintain gap for buttons */
        flex-shrink: 0; /* Prevent buttons from shrinking */
        padding-left: 16px; /* Maintain padding */
    }
    
    .header-actions .btn {
        padding: 10px 16px; /* Maintain good button size */
        font-size: 14px;
    }
}

@media (max-width: 1024px) {
    .header-container {
        padding: 0 18px;
        gap: 16px;
        overflow: hidden; /* Ensure overflow is hidden */
    }
    
    .main-navigation {
        flex-shrink: 1; /* Allow navigation to shrink */
        min-width: 0;
        max-width: calc(100% - 320px); /* Reserve space for logo and buttons */
        margin: 0 8px;
    }
    
    .main-navigation a {
        font-size: 14px;
        padding: 16px 8px;
    }
    
    .main-navigation ul {
        gap: 2px;
    }
    
    .header-actions {
        gap: 8px;
        flex-shrink: 0; /* Prevent buttons from shrinking */
        min-width: fit-content;
        padding-left: 12px; /* Reduce padding on smaller screens */
    }
    
    .header-actions .btn {
        padding: 10px 14px; /* Maintain readable button size */
        font-size: 13px;
        flex-shrink: 0; /* Prevent buttons from shrinking */
    }
    
    /* Hide navigation menu items if space is too limited */
    .main-navigation ul li:nth-child(n+5) {
        display: none; /* Hide menu items after the 4th one */
    }
}

@media (max-width: 768px) {
    body {
        padding-top: 56px; /* Reduced from 70px to match compact navbar */
    }
    
    .header-container {
        height: 56px; /* Reduced from 70px for compact mobile navbar */
        padding: 8px 16px; /* Reduced from 14px 16px for compact navbar */
        gap: 10px; /* Reduce gap */
        overflow: hidden; /* Ensure overflow is hidden */
    }
    
    .site-branding {
        max-width: 200px; /* Further limit logo width */
        flex-shrink: 1;
    }
    
    .main-navigation {
        margin: 0;
        flex-shrink: 1;
        min-width: 0;
    }
    
    .main-navigation ul {
        flex-direction: column;
        gap: 12px; /* Reduced from 15px for more compact mobile nav */
        text-align: center;
    }
    
    .main-navigation .menu-item {
        width: 100%;
    }
    
    .main-navigation a {
        width: 100%;
        text-align: left;
        padding: 12px 16px;
    }
    
    .header-actions {
        gap: 8px; /* Maintain gap for buttons */
        flex-shrink: 0; /* Prevent buttons from shrinking */
        min-width: fit-content;
        padding-left: 12px; /* Reduce padding on mobile */
    }
    
    /* Hide separator on mobile */
    .header-actions::before {
        display: none;
    }
    
    .header-actions .btn {
        padding: 8px 12px; /* Maintain readable button size */
        font-size: 13px; /* Readable font size */
        flex-shrink: 0; /* Prevent buttons from shrinking */
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .course-grid {
        grid-template-columns: 1fr;
    }
    
    .category-grid {
        grid-template-columns: 1fr;
    }
}

/* Course Detail Page */
.course-detail {
    padding: 40px 0;
}

.course-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.course-video {
    width: 100%;
    height: 400px;
    background: #000;
    border-radius: 8px;
}

.course-info h1 {
    font-size: 32px;
    margin-bottom: 20px;
}

.course-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    color: #718096;
}

.course-description {
    line-height: 1.8;
    margin-bottom: 30px;
}

.course-actions {
    display: flex;
    gap: 15px;
}

/* User Dashboard */
.dashboard {
    padding: 40px 0;
}

.dashboard-header {
    margin-bottom: 40px;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 40px;
}

.dashboard-sidebar {
    background: #f7fafc;
    padding: 30px;
    border-radius: 8px;
    height: fit-content;
}

.dashboard-sidebar ul {
    list-style: none;
}

.dashboard-sidebar li {
    margin-bottom: 10px;
}

.dashboard-sidebar a {
    display: block;
    padding: 10px;
    text-decoration: none;
    color: #2d3748;
    border-radius: 4px;
    transition: background 0.3s ease;
}

.dashboard-sidebar a:hover,
.dashboard-sidebar a.active {
    background: #0056d2;
    color: white;
}

.dashboard-content {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid #e2e8f0;
    border-radius: 4px;
    font-size: 16px;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #0056d2;
    box-shadow: 0 0 0 3px rgba(0, 86, 210, 0.1);
}

/* Alerts */
.alert {
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.alert-success {
    background: #c6f6d5;
    color: #22543d;
    border: 1px solid #9ae6b4;
}

.alert-error {
    background: #fed7d7;
    color: #742a2a;
    border: 1px solid #feb2b2;
}

.alert-info {
    background: #bee3f8;
    color: #2a4365;
    border: 1px solid #90cdf4;
}

/* Home Page Enhancements */

/* Statistics Section */
.stats-section {
    background: linear-gradient(135deg, #667eea 0%, #0066cc 100%);
    color: white;
    padding: 60px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}

.stat-item {
    padding: 20px;
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 10px;
    color: #fff;
}

.stat-label {
    font-size: 16px;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Section Subtitles */
.section-subtitle {
    text-align: center;
    color: #666;
    font-size: 18px;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Enhanced Course Cards */
.course-card.popular,
.course-card.latest {
    position: relative;
    overflow: hidden;
}

.course-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: #ff6b6b;
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    z-index: 2;
}

.course-badge.new {
    background: #51cf66;
}

.course-image-placeholder {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #667eea 0%, #0066cc 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px 8px 0 0;
}

.course-icon {
    font-size: 48px;
    color: white;
}

.course-meta {
    display: flex;
    gap: 15px;
    margin: 10px 0;
    font-size: 14px;
    color: #666;
}

.course-level {
    background: #e9ecef;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.course-duration,
.course-date {
    color: #888;
}

.rating-text {
    color: #666;
    font-size: 14px;
}

.course-price .current {
    font-weight: 700;
    color: #0066cc;
    font-size: 18px;
}

/* Popular Courses Section */
.popular-courses {
    background: #f8f9fa;
}

/* Latest Courses Section */
.latest-courses {
    background: white;
}

/* Enhanced Categories */
.category-description {
    color: #666;
    font-size: 14px;
    margin-bottom: 15px;
    line-height: 1.4;
}

.category-card {
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.category-card:hover {
    transform: translateY(-5px);
    border-color: #0066cc;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* Testimonials Section */
.testimonials-section {
    background: #f8f9fa;
    padding: 80px 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.testimonial-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
}

.testimonial-content {
    margin-bottom: 25px;
}

.testimonial-content p {
    font-style: italic;
    font-size: 16px;
    line-height: 1.6;
    color: #333;
    margin: 0;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #0066cc 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: white;
}

.author-info h4 {
    margin: 0 0 5px 0;
    font-size: 16px;
    color: #333;
}

.author-info span {
    color: #666;
    font-size: 14px;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, #667eea 0%, #0066cc 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
}

.cta-subtitle {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
    line-height: 1.6;
}

.cta-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin: 40px 0 50px 0;
    padding: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
}

.cta-feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.feature-icon {
    font-size: 32px;
    margin-bottom: 10px;
}

.cta-feature span:last-child {
    font-weight: 500;
    font-size: 16px;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.btn-large {
    padding: 15px 30px;
    font-size: 18px;
    font-weight: 600;
}

.btn-outline {
    background: transparent;
    border: 2px solid white;
    color: white;
}

.btn-outline:hover {
    background: white;
    color: #667eea;
}

.cta-note {
    font-size: 14px;
    opacity: 0.8;
    margin: 0;
}

/* Responsive Enhancements */
@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    .course-grid {
        grid-template-columns: 1fr;
    }
    
    .category-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-title {
        font-size: 32px;
    }
    
    .cta-subtitle {
        font-size: 18px;
    }
    
    .cta-features {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        padding: 30px 20px;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-large {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-features {
        grid-template-columns: 1fr;
    }
    
    .course-meta {
        flex-direction: column;
        gap: 8px;
    }
    
    /* Ebooks responsive */
    .ebook-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    /* Newsletter responsive */
    .newsletter-signup {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .newsletter-content .section-title {
        text-align: center;
    }
    
    .newsletter-benefits {
        grid-template-columns: 1fr;
    }
    
    .newsletter-form .form-group {
        flex-direction: column;
    }
    
    .preview-card {
        max-width: 100%;
    }
}

/* Single Course Page Styles */
.course-header-section {
    background: linear-gradient(135deg, #667eea 0%, #0066cc 100%);
    color: white;
    padding: 60px 0;
    margin-bottom: 60px;
}

.course-header-section.compact {
    padding: 25px 0;
    margin-bottom: 15px;
}

.course-breadcrumb {
    margin-bottom: 20px;
}

.course-breadcrumb a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.course-breadcrumb a:hover {
    color: white;
}

.course-intro {
    max-width: 800px;
    margin: 0;
    padding: 0;
}

.course-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin: 0;
    backdrop-filter: blur(10px);
}

.course-title {
    font-size: 28px;
    font-weight: 700;
    margin: 0;
    line-height: 1.3;
}

.course-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin: 0 0 15px 0;
    padding: 0;
}

.course-title-row .course-title {
    margin: 0;
    flex: 1;
    min-width: 0;
}

.course-meta-compact {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: center;
    margin: 0;
    padding: 0;
}

.course-meta-compact .meta-item {
    font-size: 14px;
    margin: 0;
    padding: 0;
}

.rating-compact {
    display: flex;
    align-items: center;
    gap: 4px;
    margin: 0;
    padding: 0;
}

.rating-compact .stars {
    font-size: 14px;
    margin: 0;
}

.rating-compact .rating-number {
    font-size: 14px;
    font-weight: 600;
    margin: 0;
}

.rating-compact .rating-count {
    font-size: 11px;
    margin: 0;
}

.course-subtitle {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 30px;
    line-height: 1.4;
}

.course-meta-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 30px;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 16px;
}

.meta-icon {
    font-size: 18px;
}

.course-rating-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.rating-display {
    display: flex;
    align-items: center;
    gap: 15px;
}

.rating-display .stars {
    color: #ffd700;
    font-size: 20px;
}

.rating-number {
    font-size: 24px;
    font-weight: 700;
}

.rating-count {
    color: rgba(255, 255, 255, 0.8);
}

.enrollment-count {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.9);
}

.course-content-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 380px;
    gap: 48px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    align-items: start;
}

.course-main-content section {
    margin-bottom: 50px;
}

.course-main-content h2 {
    font-size: 32px;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.overview-section {
    margin-bottom: 40px;
}

.overview-section h3 {
    font-size: 24px;
    font-weight: 600;
    color: #4a5568;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.content-text {
    font-size: 16px;
    line-height: 1.7;
    color: #4a5568;
}

.content-text p {
    margin-bottom: 16px;
}

.objectives-grid {
    display: grid;
    gap: 20px;
}

.objective-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 20px;
    background: #f7fafc;
    border-radius: 12px;
    border-left: 4px solid #0066cc;
}

.objective-number {
    background: #0066cc;
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    flex-shrink: 0;
}

.objective-text {
    font-size: 16px;
    line-height: 1.5;
    color: #4a5568;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 25px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 32px;
    flex-shrink: 0;
}

.feature-content h4 {
    font-size: 18px;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 8px;
}

.feature-content p {
    color: #718096;
    font-size: 14px;
    line-height: 1.5;
}

.prerequisites-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.prerequisite-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
    color: #4a5568;
}

.prereq-icon {
    font-size: 18px;
    color: #48bb78;
}

/* Course Tabs */
.course-tabs-nav {
    display: flex;
    gap: 0;
    margin-bottom: 2rem;
    border-bottom: 2px solid #e5e7eb;
    background: #ffffff;
    border-radius: 8px 8px 0 0;
    overflow-x: auto;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.tab-button {
    background: none;
    border: none;
    padding: 1rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 500;
    color: #6b7280;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.3s ease;
    white-space: nowrap;
    min-width: fit-content;
}

.tab-button:hover {
    color: #0056d2;
    background: #f8fafc;
}

.tab-button.active {
    color: #0056d2;
    border-bottom-color: #0056d2;
    background: #ffffff;
    font-weight: 600;
}

.course-tabs-content {
    background: #ffffff;
    border-radius: 0 0 8px 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    min-height: 500px;
}

.tab-content {
    display: none;
    padding: 2rem;
    animation: fadeIn 0.3s ease-in-out;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.tab-section {
    margin-bottom: 2.5rem;
}

.tab-section:last-child {
    margin-bottom: 0;
}

.tab-section h3 {
    color: #1f2937;
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #e5e7eb;
}

/* Nested Tabs */
.nested-tabs-nav {
    display: flex;
    gap: 0;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid #e5e7eb;
    background: #f8fafc;
    border-radius: 6px 6px 0 0;
    overflow-x: auto;
}

.nested-tab-button {
    background: none;
    border: none;
    padding: 0.75rem 1rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: #6b7280;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
    white-space: nowrap;
    min-width: fit-content;
}

.nested-tab-button:hover {
    color: #0056d2;
    background: #ffffff;
}

.nested-tab-button.active {
    color: #0056d2;
    border-bottom-color: #0056d2;
    background: #ffffff;
    font-weight: 600;
}

.nested-tabs-content {
    background: #ffffff;
    border-radius: 0 0 6px 6px;
    border: 1px solid #e5e7eb;
    border-top: none;
    min-height: 300px;
}

.nested-tab-content {
    display: none;
    padding: 1.5rem;
    animation: fadeIn 0.3s ease-in-out;
}

.nested-tab-content.active {
    display: block;
}

/* Structure Overview */
.structure-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.structure-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: #f8fafc;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
}

.structure-icon {
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #0056d2;
    color: white;
    border-radius: 8px;
    flex-shrink: 0;
}

.structure-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 0.5rem;
}

.structure-content p {
    font-size: 0.9rem;
    color: #6b7280;
    margin: 0;
}

/* Instructor Profile */
.instructor-profile {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: #f8fafc;
    border-radius: 8px;
}

.instructor-avatar img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
}

.instructor-info h4 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 0.5rem;
}

.instructor-title {
    color: #6b7280;
    font-size: 1rem;
    margin-bottom: 1rem;
}

.instructor-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
}

.instructor-stats .stat-item {
    text-align: center;
    padding: 0.75rem;
    background: #ffffff;
    border-radius: 6px;
    border: 1px solid #e5e7eb;
}

.instructor-stats .stat-number {
    display: block;
    font-size: 1.25rem;
    font-weight: 600;
    color: #0056d2;
}

.instructor-stats .stat-label {
    display: block;
    font-size: 0.85rem;
    color: #6b7280;
    margin-top: 0.25rem;
}

.instructor-bio {
    padding: 1.5rem;
    background: #ffffff;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
}

.instructor-bio h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 1rem;
}

.instructor-bio p {
    color: #4b5563;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.instructor-bio p:last-child {
    margin-bottom: 0;
}

/* FAQ Section */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    margin-bottom: 1rem;
    overflow: hidden;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem;
    background: #f8fafc;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background: #e5e7eb;
}

.faq-question h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1f2937;
    margin: 0;
}

.faq-toggle {
    font-size: 1.5rem;
    font-weight: 600;
    color: #0056d2;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 1.25rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 1.25rem;
    max-height: 200px;
}

.faq-answer p {
    color: #4b5563;
    line-height: 1.6;
    margin: 0;
}

/* Quick Info Card */
.quick-info-card {
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.quick-info-card h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 1rem;
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.info-icon {
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
}

.info-content {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.info-label {
    font-size: 0.85rem;
    color: #6b7280;
    font-weight: 500;
}

.info-value {
    font-size: 0.95rem;
    color: #1f2937;
    font-weight: 600;
}

.reviews-section {
    border-top: 2px solid #e2e8f0;
    padding-top: 50px;
}

.reviews-summary {
    display: flex;
    gap: 50px;
    margin-bottom: 40px;
    padding: 30px;
    background: #f7fafc;
    border-radius: 15px;
}

.overall-rating {
    text-align: center;
    min-width: 150px;
}

.overall-rating .rating-number {
    font-size: 48px;
    font-weight: 700;
    color: #2d3748;
    display: block;
}

.overall-rating .rating-stars {
    color: #ffd700;
    font-size: 20px;
    margin: 10px 0;
}

.overall-rating .rating-text {
    color: #718096;
    font-size: 16px;
}

.rating-breakdown {
    flex: 1;
}

.rating-bar {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 8px;
    font-size: 14px;
}

.rating-bar span:first-child {
    min-width: 60px;
    color: #4a5568;
}

.rating-bar span:last-child {
    min-width: 40px;
    color: #718096;
    text-align: right;
}

.bar {
    flex: 1;
    height: 8px;
    background: #e2e8f0;
    border-radius: 4px;
    overflow: hidden;
}

.fill {
    height: 100%;
    background: #ffd700;
    transition: width 0.3s ease;
}

.reviews-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.review-item {
    padding: 25px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    border: 1px solid #e2e8f0;
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
}

.reviewer-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.reviewer-avatar img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.reviewer-details h5 {
    font-size: 16px;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 5px;
}

.review-rating {
    color: #ffd700;
    font-size: 14px;
}

.review-date {
    color: #718096;
    font-size: 14px;
}

.review-content p {
    color: #4a5568;
    line-height: 1.6;
    margin: 0;
}

.course-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
    position: sticky;
    top: 100px;
    height: fit-content;
    width: 100%;
}

.pricing-card, .curriculum-card, .course-stats-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
    border: 1px solid #e2e8f0;
    overflow: hidden;
}

.pricing-card {
    position: sticky;
    top: 20px;
}

.price-section {
    padding: 30px;
    background: linear-gradient(135deg, #667eea 0%, #0066cc 100%);
    color: white;
    text-align: center;
}

.price-display {
    margin-bottom: 25px;
}

.original-price {
    text-decoration: line-through;
    color: rgba(255, 255, 255, 0.7);
    font-size: 18px;
    margin-right: 10px;
}

.current-price {
    font-size: 36px;
    font-weight: 700;
    color: white;
}

.course-actions {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 20px;
}

.btn-large {
    padding: 15px 30px;
    font-size: 18px;
    font-weight: 600;
}

.btn-outline {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.money-back-guarantee {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
}

.course-includes {
    padding: 30px;
}

.course-includes h4 {
    color: #2d3748;
    margin-bottom: 20px;
    font-size: 18px;
    font-weight: 600;
}

.course-includes ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.course-includes li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    color: #4a5568;
    font-size: 15px;
    border-bottom: 1px solid #f7fafc;
}

.course-includes li:last-child {
    border-bottom: none;
}

.include-icon {
    font-size: 18px;
    color: #48bb78;
}

.curriculum-card {
    padding: 30px;
}

.curriculum-card h3 {
    color: #2d3748;
    margin-bottom: 25px;
    font-size: 22px;
    font-weight: 600;
}

.curriculum-content {
    white-space: pre-line;
    line-height: 1.7;
    color: #4a5568;
}

.curriculum-modules {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.curriculum-module {
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    overflow: hidden;
}

.module-header {
    background: #f7fafc;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.module-header h4 {
    color: #2d3748;
    font-size: 16px;
    font-weight: 600;
    margin: 0;
}

.module-duration {
    color: #718096;
    font-size: 14px;
}

.module-lessons {
    padding: 0;
}

.lesson-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 20px;
    border-bottom: 1px solid #f7fafc;
    transition: background-color 0.2s ease;
}

.lesson-item:hover {
    background: #f7fafc;
}

.lesson-item:last-child {
    border-bottom: none;
}

.lesson-item.locked {
    opacity: 0.6;
}

.lesson-icon {
    font-size: 16px;
    width: 20px;
    text-align: center;
}

.lesson-title {
    flex: 1;
    color: #4a5568;
    font-size: 14px;
}

.lesson-duration {
    color: #718096;
    font-size: 12px;
}

.hands-on-sessions {
    margin-top: 30px;
    padding-top: 25px;
    border-top: 2px solid #e2e8f0;
}

.hands-on-sessions h4 {
    color: #2d3748;
    margin-bottom: 20px;
    font-size: 18px;
    font-weight: 600;
}

.hands-on-sessions .sessions-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.hands-on-sessions .session-item {
    padding: 20px;
    background: #f7fafc;
    border-radius: 10px;
    border: 1px solid #e2e8f0;
}

.hands-on-sessions .session-meta {
    margin-bottom: 10px;
}

.session-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.session-badges span {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
}

.session-position {
    background: #48bb78;
    color: white;
}

.session-duration {
    background: #ed8936;
    color: white;
}

.hands-on-sessions .session-content h5 {
    margin: 0 0 10px 0;
    font-size: 14px;
}

.hands-on-sessions .session-content h5 a {
    color: #2d3748;
    text-decoration: none;
}

.hands-on-sessions .session-content h5 a:hover {
    color: #0066cc;
}

.session-resources {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: #718096;
}

.course-stats-card {
    padding: 25px;
}

.course-stats-card h4 {
    color: #4582eb;
    margin-bottom: 20px;
    font-size: 18px;
    font-weight: 600;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.stat-item {
    text-align: center;
    padding: 15px;
    background: #f7fafc;
    border-radius: 10px;
}

.stat-number {
    display: block;
    font-size: 24px;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 5px;
}

.stat-label {
    color: #718096;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

@media (max-width: 1200px) {
    .course-content-grid {
        grid-template-columns: minmax(0, 1fr) 340px;
        gap: 32px;
        padding: 0 24px;
    }
}

@media (max-width: 900px) {
    .course-content-grid {
        grid-template-columns: 1fr;
        gap: 32px;
        padding: 0 20px;
    }
    
    .course-sidebar {
        position: static !important;
        max-width: 100%;
    }
    
    .pricing-card {
        position: static;
    }
}

@media (max-width: 768px) {
    .course-header-section.compact {
        padding: 20px 0;
        margin-bottom: 10px;
    }
    
    .course-breadcrumb {
        margin-bottom: 15px;
    }
    
    .course-title {
        font-size: 24px;
        line-height: 1.2;
    }
    
    .course-subtitle {
        font-size: 18px;
    }
    
    .course-meta-bar {
        flex-direction: column;
        gap: 15px;
    }
    
    .course-rating-section {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .reviews-summary {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }
    
    .review-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    /* Tab responsive styles */
    .course-tabs-nav {
        flex-wrap: nowrap;
        overflow-x: auto;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }
    
    .course-tabs-nav::-webkit-scrollbar {
        display: none;
    }
    
    .tab-button {
        padding: 0.75rem 1rem;
        font-size: 0.85rem;
        min-width: 120px;
    }
    
    .tab-content {
        padding: 1.5rem;
    }
    
    .tab-section h3 {
        font-size: 1.2rem;
    }
    
    .instructor-profile {
        grid-template-columns: 80px 1fr;
        gap: 1rem;
        padding: 1rem;
    }
    
    .instructor-avatar img {
        width: 80px;
        height: 80px;
    }
    
    .instructor-info h4 {
        font-size: 1.2rem;
    }
    
    .instructor-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .quick-info-card {
        padding: 1rem;
    }
    
    /* Compact header responsive */
    .course-title-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        margin-bottom: 12px;
    }
    
    .course-meta-compact {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        margin: 0;
    }
    
    .course-meta-compact .meta-item {
        font-size: 12px;
        margin: 0;
        padding: 0;
    }
    
    .rating-compact .stars {
        font-size: 13px;
    }
    
    .rating-compact .rating-number {
        font-size: 13px;
    }
    
    .rating-compact .rating-count {
        font-size: 10px;
    }
    
    /* Nested tabs responsive */
    .nested-tabs-nav {
        overflow-x: auto;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }
    
    .nested-tabs-nav::-webkit-scrollbar {
        display: none;
    }
    
    .nested-tab-button {
        padding: 0.5rem 0.75rem;
        font-size: 0.75rem;
        min-width: 100px;
    }
    
    .nested-tab-content {
        padding: 1rem;
    }
    
    .structure-overview {
        grid-template-columns: 1fr;
    }
    
    .structure-item {
        padding: 1rem;
    }
    
    .course-content-grid {
        grid-template-columns: 1fr !important;
        padding: 0 16px;
        gap: 24px;
    }
    
    .container {
        padding: 0 10px;
    }
}

/* ===========================
   GOOGLE CLOUD SKIN STYLES - 100% AUTHENTIC
   =========================== */

/* Google Cloud Official Color Variables 
 * Matches Google Cloud Skills Boost design: https://www.cloudskillsboost.google/paths
 */
.skin-google-cloud {
    /* Official Google Cloud Colors */
    --primary-color: #4285f4;
    --primary-dark: #1a73e8;
    --primary-light: #e8f0fe;
    --primary-hover: #1557d8;
    --primary-color-rgb: 26, 115, 232;
    
    /* Google Cloud Secondary Colors */
    --secondary-color: #e8f0fe;
    --accent-yellow: #fbbc04;
    --accent-green: #34a853;
    --accent-red: #ea4335;
    --accent-orange: #ff6d01;
    --accent-pink: #f439a0;
    --accent-purple: #9334e6;
    
    /* Google Cloud Text Colors - Coursera-inspired dark navy */
    --text-primary: #2A3C4F;
    --text-secondary: #536471;
    --text-tertiary: #80868b;
    --text-disabled: #9aa0a6;
    --text-white: #ffffff;
    --text-inverse: #ffffff;
    
    /* Google Cloud Background Colors - Coursera-inspired light gray */
    --background-primary: #f5f7fa;
    --background-secondary: #edf0f5;
    --background-section: #f5f7fa;
    --background-tertiary: #e3e7ec;
    --background-elevated: #ffffff;
    --background-dark: #2A3C4F;
    --background-surface: #f8f9fa;
    --background-light: #f5f7fa;
    --background-overlay: rgba(42, 60, 79, 0.6);
    
    /* Google Cloud Border Colors */
    --border-color: #dadce0;
    --border-light: #e8eaed;
    --border-dark: #5f6368;
    --border-focus: #4285f4;
    
    /* Google Cloud Shadows - Material Design 3 */
    --shadow-1: 0px 1px 2px 0px rgba(60, 64, 67, 0.3), 0px 1px 3px 1px rgba(60, 64, 67, 0.15);
    --shadow-2: 0px 1px 3px 0px rgba(60, 64, 67, 0.3), 0px 4px 8px 3px rgba(60, 64, 67, 0.15);
    --shadow-3: 0px 2px 6px 2px rgba(60, 64, 67, 0.15), 0px 8px 24px 4px rgba(60, 64, 67, 0.15);
    --shadow-4: 0px 4px 16px 6px rgba(60, 64, 67, 0.15), 0px 8px 16px 6px rgba(60, 64, 67, 0.15);
    --shadow-5: 0px 8px 12px 6px rgba(60, 64, 67, 0.15), 0px 4px 16px 6px rgba(60, 64, 67, 0.15);
    
    /* Google Cloud Border Radius */
    --border-radius-small: 4px;
    --border-radius: 8px;
    --border-radius-large: 12px;
    --border-radius-xl: 16px;
    --border-radius-pill: 20px;
    --border-radius-full: 50%;
    
    /* Google Cloud Typography */
    --font-family: 'Google Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
    --font-family-display: 'Google Sans Display', 'Google Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
    --font-family-mono: 'Google Sans Mono', 'Roboto Mono', 'Courier New', monospace;
    
    /* Google Cloud Spacing System */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    
    /* Google Cloud Transitions */
    --transition-fast: 0.15s cubic-bezier(0.4, 0.0, 0.2, 1);
    --transition-standard: 0.2s cubic-bezier(0.4, 0.0, 0.2, 1);
    --transition-slow: 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
    
    /* Google Cloud Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* Base Typography and Layout - Google Cloud Style */
.skin-google-cloud body {
    font-family: var(--font-family);
    color: var(--text-primary);
    background-color: var(--background-primary);
    line-height: 1.5;
    font-size: 16px;
    font-weight: 400;
}

/* Google Cloud Header - 100% Accurate */
.skin-google-cloud .site-header {
    background: var(--background-elevated);
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: var(--z-sticky);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    transition: all var(--transition-standard);
}

.skin-google-cloud .header-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    gap: var(--spacing-xl);
}

.skin-google-cloud .site-logo {
    color: var(--text-secondary);
    font-family: var(--font-family-display);
    font-weight: 400;
    font-size: 22px;
    white-space: nowrap;
    flex-shrink: 0;
    transition: color var(--transition-standard);
    position: relative;
}

.skin-google-cloud .site-logo:hover {
    color: var(--text-primary);
    text-decoration: none;
}

/* Google Cloud Logo - Exact Styling */
.skin-google-cloud .site-logo::before {
    content: "";
    font-weight: 400;
    letter-spacing: -0.5px;
}

/* Google Cloud Navigation - 100% Accurate */
.skin-google-cloud .main-navigation {
    flex: 1;
    display: flex;
    justify-content: center;
}

.skin-google-cloud .main-navigation ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--spacing-xl);
    align-items: center;
}

.skin-google-cloud .main-navigation a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 18px;
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-pill);
    position: relative;
    transition: all var(--transition-standard);
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    min-height: 40px;
}

.skin-google-cloud .main-navigation a:hover {
    color: var(--text-primary);
    background-color: var(--background-secondary);
}

.skin-google-cloud .main-navigation a.current-menu-item,
.skin-google-cloud .main-navigation .current-menu-item a {
    color: var(--primary-color);
    background-color: var(--primary-light);
    font-weight: 600;
}

.skin-google-cloud .main-navigation a::after {
    display: none;
}

/* Google Cloud Buttons - Material Design 3 */
.skin-google-cloud .btn {
    border-radius: var(--border-radius-pill);
    font-weight: 500;
    font-family: var(--font-family);
    font-size: 14px;
    line-height: 1.5;
    transition: all var(--transition-standard);
    box-shadow: none;
    padding: 10px var(--spacing-lg);
    min-height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
    text-decoration: none;
    cursor: pointer;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

/* Google Cloud Primary Button */
.skin-google-cloud .btn-primary {
    background: var(--primary-color);
    color: var(--text-white);
    border: none;
}

.skin-google-cloud .btn-primary:hover {
    background: var(--primary-hover);
    box-shadow: var(--shadow-2);
    transform: translateY(-1px);
}

.skin-google-cloud .btn-primary:active {
    background: var(--primary-dark);
    transform: translateY(0);
    box-shadow: var(--shadow-1);
}

/* Google Cloud Secondary Button */
.skin-google-cloud .btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--border-color);
}

.skin-google-cloud .btn-secondary:hover {
    background: var(--primary-light);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-1);
    transform: translateY(-1px);
}

.skin-google-cloud .btn-secondary:active {
    background: var(--primary-light);
    transform: translateY(0);
}

/* Google Cloud Outline Button */
.skin-google-cloud .btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.skin-google-cloud .btn-outline:hover {
    background: var(--primary-light);
    color: var(--primary-color);
    box-shadow: var(--shadow-1);
    transform: translateY(-1px);
}

.skin-google-cloud .btn-outline:active {
    background: var(--primary-light);
    transform: translateY(0);
}

/* Large buttons */
.skin-google-cloud .btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 16px;
    font-weight: 500;
    min-height: 48px;
    border-radius: var(--border-radius-large);
}

/* Google Cloud Hero Section - Coursera-inspired clean design */
.skin-google-cloud .hero-section {
    background: var(--background-primary);
    color: var(--text-primary);
    padding: var(--spacing-3xl) 0 120px;
    position: relative;
    overflow: hidden;
    min-height: 500px;
    display: flex;
    align-items: center;
}

.skin-google-cloud .hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(66, 133, 244, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(52, 168, 83, 0.03) 0%, transparent 50%);
    opacity: 0.8;
    pointer-events: none;
}

.skin-google-cloud .hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    text-align: center;
    position: relative;
    z-index: 2;
}

.skin-google-cloud .hero-title {
    font-family: var(--font-family-display);
    font-size: clamp(36px, 5vw, 64px);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
    line-height: 1.15;
    letter-spacing: -0.02em;
    text-align: center;
}

.skin-google-cloud .hero-subtitle {
    font-size: clamp(16px, 2vw, 20px);
    margin-bottom: var(--spacing-2xl);
    color: var(--text-secondary);
    font-weight: 400;
    line-height: 1.6;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.skin-google-cloud .hero-search {
    max-width: 720px;
    margin: 0 auto;
    position: relative;
}

.skin-google-cloud .hero-search form {
    display: flex;
    align-items: center;
    background: var(--background-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-pill);
    box-shadow: var(--shadow-2);
    overflow: hidden;
    transition: all var(--transition-standard);
}

.skin-google-cloud .hero-search form:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(66, 133, 244, 0.1), var(--shadow-2);
    transform: translateY(-2px);
}

.skin-google-cloud .hero-search input {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    height: 56px;
    border: none;
    font-size: 16px;
    font-family: var(--font-family);
    background: transparent;
    color: var(--text-primary);
    outline: none;
}

.skin-google-cloud .hero-search input::placeholder {
    color: var(--text-tertiary);
    font-weight: 400;
}

.skin-google-cloud .hero-search button {
    background: var(--primary-color);
    border: none;
    padding: var(--spacing-md) var(--spacing-xl);
    height: 56px;
    color: var(--text-white);
    font-weight: 500;
    font-size: 16px;
    font-family: var(--font-family);
    cursor: pointer;
    transition: all var(--transition-standard);
    white-space: nowrap;
    min-width: 120px;
    border-radius: 0 var(--border-radius-pill) var(--border-radius-pill) 0;
}

.skin-google-cloud .hero-search button:hover {
    background: var(--primary-hover);
    box-shadow: var(--shadow-2);
    transform: translateX(2px);
}

.skin-google-cloud .hero-search button:active {
    background: var(--primary-dark);
    transform: translateX(0);
    box-shadow: var(--shadow-1);
}

/* Google Cloud Card Styles - Material Design 3 */
.skin-google-cloud .course-card,
.skin-google-cloud .ebook-card,
.skin-google-cloud .category-card {
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-1);
    transition: all var(--transition-standard);
    background: var(--background-elevated);
    overflow: hidden;
    position: relative;
}

.skin-google-cloud .course-card:hover,
.skin-google-cloud .ebook-card:hover,
.skin-google-cloud .category-card:hover {
    box-shadow: var(--shadow-2);
    transform: translateY(-4px);
    border-color: var(--border-color);
}

.skin-google-cloud .course-card:active,
.skin-google-cloud .ebook-card:active,
.skin-google-cloud .category-card:active {
    transform: translateY(-1px);
    box-shadow: var(--shadow-1);
}

.skin-google-cloud .course-title,
.skin-google-cloud .ebook-title {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 18px;
    line-height: 1.3;
    margin-bottom: 8px;
}

.skin-google-cloud .course-title a,
.skin-google-cloud .ebook-title a {
    color: var(--text-primary);
    transition: color 0.2s cubic-bezier(0.4, 0.0, 0.2, 1);
    text-decoration: none;
}

.skin-google-cloud .course-title a:hover,
.skin-google-cloud .ebook-title a:hover {
    color: var(--primary-color);
}

.skin-google-cloud .course-instructor,
.skin-google-cloud .ebook-author {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 12px;
}

.skin-google-cloud .course-price,
.skin-google-cloud .ebook-price {
    color: var(--secondary-color);
    font-weight: 500;
    font-size: 16px;
}

/* Section Backgrounds - Google Cloud Style */
.skin-google-cloud .courses-section,
.skin-google-cloud .categories-section,
.skin-google-cloud .ebooks-section {
    background: var(--background-section);
    padding: 80px 0;
}

.skin-google-cloud .section-title {
    color: var(--text-primary);
    font-family: var(--font-family);
    font-weight: 400;
    font-size: 48px;
    line-height: 1.2;
    text-align: center;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.skin-google-cloud .section-subtitle {
    color: var(--text-secondary);
    font-size: 18px;
    line-height: 1.4;
    text-align: center;
    margin-bottom: 64px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Google Cloud Course Detail Page */
.skin-google-cloud .course-header-section {
    background: var(--background-elevated);
    border-bottom: 1px solid var(--border-light);
    padding: 40px 0;
}

.skin-google-cloud .course-badge {
    background: var(--accent-color);
    color: var(--text-primary);
    border-radius: 4px;
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.skin-google-cloud .course-title {
    color: var(--text-primary);
    font-weight: 400;
    font-size: 40px;
    line-height: 1.2;
    margin: 16px 0;
    letter-spacing: -0.5px;
}

.skin-google-cloud .course-subtitle {
    color: var(--text-secondary);
    font-size: 18px;
    line-height: 1.4;
    margin-bottom: 24px;
}

/* Google Cloud Tabs - Authentic Style */
.skin-google-cloud .course-tabs-nav {
    border-bottom: 1px solid var(--border-light);
    background: var(--background-primary);
    padding: 0 24px;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.skin-google-cloud .course-tabs-nav::-webkit-scrollbar {
    display: none;
}

.skin-google-cloud .tab-button {
    background: none;
    border: none;
    padding: 16px 24px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0.0, 0.2, 1);
    border-bottom: 2px solid transparent;
    white-space: nowrap;
    position: relative;
}

.skin-google-cloud .tab-button:hover {
    color: var(--text-primary);
    background-color: var(--background-secondary);
}

.skin-google-cloud .tab-button.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    background-color: transparent;
}

.skin-google-cloud .nested-tab-button {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0.0, 0.2, 1);
    margin-right: 8px;
    margin-bottom: 8px;
    white-space: nowrap;
}

.skin-google-cloud .nested-tab-button:hover {
    color: var(--text-primary);
    border-color: var(--text-secondary);
    background-color: var(--background-secondary);
}

.skin-google-cloud .nested-tab-button.active {
    color: var(--primary-color);
    border-color: var(--primary-color);
    background-color: var(--primary-light);
}

/* Google Cloud Pricing Cards */
.skin-google-cloud .pricing-card,
.skin-google-cloud .curriculum-card,
.skin-google-cloud .course-stats-card,
.skin-google-cloud .quick-info-card {
    border: 1px solid var(--border-light);
    border-radius: 8px;
    background: var(--background-elevated);
    padding: 24px;
    box-shadow: var(--shadow-1);
    transition: all 0.2s cubic-bezier(0.4, 0.0, 0.2, 1);
}

.skin-google-cloud .pricing-card:hover,
.skin-google-cloud .curriculum-card:hover,
.skin-google-cloud .course-stats-card:hover,
.skin-google-cloud .quick-info-card:hover {
    box-shadow: 0 1px 3px 0 rgba(60,64,67,0.302), 0 4px 8px 3px rgba(60,64,67,0.149);
    border-color: var(--border-color);
}

.skin-google-cloud .pricing-card h3,
.skin-google-cloud .curriculum-card h3,
.skin-google-cloud .course-stats-card h4,
.skin-google-cloud .quick-info-card h4 {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 18px;
    margin-bottom: 16px;
}

.skin-google-cloud .current-price {
    color: var(--secondary-color);
    font-weight: 500;
    font-size: 24px;
}

.skin-google-cloud .original-price {
    color: var(--text-light);
    text-decoration: line-through;
    font-size: 16px;
    margin-left: 8px;
}

/* Google Cloud Feature Items */
.skin-google-cloud .feature-item,
.skin-google-cloud .objective-item,
.skin-google-cloud .structure-item {
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 24px;
    background: var(--background-elevated);
    transition: all 0.2s cubic-bezier(0.4, 0.0, 0.2, 1);
}

.skin-google-cloud .feature-item:hover,
.skin-google-cloud .objective-item:hover,
.skin-google-cloud .structure-item:hover {
    box-shadow: 0 1px 3px 0 rgba(60,64,67,0.302), 0 4px 8px 3px rgba(60,64,67,0.149);
    border-color: var(--border-color);
}

.skin-google-cloud .feature-icon,
.skin-google-cloud .structure-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-light);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    color: var(--primary-color);
    font-size: 24px;
}

/* Google Cloud Instructor Profile */
.skin-google-cloud .instructor-profile {
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 24px;
    background: var(--background-elevated);
    transition: all 0.2s cubic-bezier(0.4, 0.0, 0.2, 1);
}

.skin-google-cloud .instructor-profile:hover {
    box-shadow: 0 1px 3px 0 rgba(60,64,67,0.302), 0 4px 8px 3px rgba(60,64,67,0.149);
    border-color: var(--border-color);
}

.skin-google-cloud .instructor-info h4 {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 18px;
    margin-bottom: 4px;
}

.skin-google-cloud .instructor-title {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 16px;
}

/* Google Cloud Reviews */
.skin-google-cloud .review-item {
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 24px;
    background: var(--background-elevated);
    transition: all 0.2s cubic-bezier(0.4, 0.0, 0.2, 1);
    margin-bottom: 16px;
}

.skin-google-cloud .review-item:hover {
    box-shadow: 0 1px 3px 0 rgba(60,64,67,0.302), 0 4px 8px 3px rgba(60,64,67,0.149);
    border-color: var(--border-color);
}

.skin-google-cloud .reviewer-details h5 {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 16px;
    margin-bottom: 4px;
}

.skin-google-cloud .review-date {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Google Cloud FAQ */
.skin-google-cloud .faq-item {
    border: 1px solid var(--border-light);
    border-radius: 8px;
    background: var(--background-elevated);
    margin-bottom: 8px;
    transition: all 0.2s cubic-bezier(0.4, 0.0, 0.2, 1);
}

.skin-google-cloud .faq-item:hover {
    box-shadow: 0 1px 3px 0 rgba(60,64,67,0.302), 0 4px 8px 3px rgba(60,64,67,0.149);
    border-color: var(--border-color);
}

.skin-google-cloud .faq-question {
    padding: 20px 24px;
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

.skin-google-cloud .faq-question:hover {
    background-color: var(--background-secondary);
}

.skin-google-cloud .faq-question h4 {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 16px;
    margin: 0;
}

/* Google Cloud Newsletter Section */
.skin-google-cloud .newsletter-section {
    background: var(--background-section);
    padding: 40px 0;
}

.skin-google-cloud .newsletter-form input[type="email"] {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px 20px;
    font-size: 16px;
    background: var(--background-elevated);
    transition: all 0.2s cubic-bezier(0.4, 0.0, 0.2, 1);
}

.skin-google-cloud .newsletter-form input[type="email"]:focus {
    border-color: var(--primary-color);
    box-shadow: 0 1px 3px 0 rgba(66,133,244,0.3), 0 4px 8px 3px rgba(66,133,244,0.15);
    outline: none;
}

/* Google Cloud Footer */
.skin-google-cloud .site-footer {
    background: var(--background-elevated);
    border-top: 1px solid var(--border-light);
    padding: 48px 0 24px;
}

.skin-google-cloud .footer-section h3 {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 16px;
    margin-bottom: 16px;
}

.skin-google-cloud .footer-section a {
    color: var(--text-secondary);
    font-size: 14px;
    text-decoration: none;
    transition: color 0.2s cubic-bezier(0.4, 0.0, 0.2, 1);
}

.skin-google-cloud .footer-section a:hover {
    color: var(--text-primary);
}

.skin-google-cloud .footer-bottom {
    border-top: 1px solid var(--border-light);
    padding-top: 24px;
    margin-top: 24px;
    color: var(--text-secondary);
    font-size: 14px;
}

/* Google Cloud Stats and Numbers */
.skin-google-cloud .stat-number {
    color: var(--primary-color);
    font-weight: 500;
    font-size: 32px;
}

.skin-google-cloud .stat-label {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Google Cloud Form Elements */
.skin-google-cloud .form-group input,
.skin-google-cloud .form-group textarea,
.skin-google-cloud .form-group select {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px 20px;
    font-size: 16px;
    background: var(--background-elevated);
    transition: all 0.2s cubic-bezier(0.4, 0.0, 0.2, 1);
}

.skin-google-cloud .form-group input:focus,
.skin-google-cloud .form-group textarea:focus,
.skin-google-cloud .form-group select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 1px 3px 0 rgba(66,133,244,0.3), 0 4px 8px 3px rgba(66,133,244,0.15);
    outline: none;
}

.skin-google-cloud .form-group label {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 14px;
    margin-bottom: 8px;
    display: block;
}

/* Google Cloud Alerts */
.skin-google-cloud .alert {
    border-radius: 8px;
    border: 1px solid;
    padding: 16px 20px;
    margin: 16px 0;
}

.skin-google-cloud .alert-success {
    background: #e8f5e8;
    color: #137333;
    border-color: var(--secondary-color);
}

.skin-google-cloud .alert-error {
    background: #fce8e6;
    color: #d93025;
    border-color: var(--error-color);
}

.skin-google-cloud .alert-info {
    background: var(--primary-light);
    color: var(--primary-dark);
    border-color: var(--primary-color);
}

/* Google Cloud Stars Rating - Material Design */
.skin-google-cloud .stars {
    color: var(--accent-yellow);
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.1));
}

/* Google Cloud Badges - Material Design 3 */
.skin-google-cloud .course-badge.new,
.skin-google-cloud .course-badge.popular,
.skin-google-cloud .course-level,
.skin-google-cloud .session-badges span {
    background: var(--primary-light);
    color: var(--primary-color);
    border-radius: var(--border-radius-pill);
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-1);
    border: 1px solid rgba(66, 133, 244, 0.2);
}

.skin-google-cloud .course-badge.featured {
    background: rgba(52, 168, 83, 0.1);
    color: var(--accent-green);
    border: 1px solid rgba(52, 168, 83, 0.2);
}

.skin-google-cloud .course-badge.trending {
    background: rgba(255, 109, 1, 0.1);
    color: var(--accent-orange);
    border: 1px solid rgba(255, 109, 1, 0.2);
}

.skin-google-cloud .sale-badge {
    background: var(--accent-red);
    color: var(--text-white);
    border-radius: var(--border-radius);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    box-shadow: var(--shadow-1);
}

/* Google Cloud Dropdown Menus */
.skin-google-cloud .main-navigation .menu-item-has-children {
    position: relative;
}

/* Create invisible hover bridge between parent menu and dropdown */
.skin-google-cloud .main-navigation .menu-item-has-children::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: 4px;
    background: transparent;
    z-index: 999;
    pointer-events: auto;
}

.skin-google-cloud .main-navigation .sub-menu {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    background: var(--background-primary);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    box-shadow: 0 4px 12px 0 rgba(60,64,67,0.3);
    min-width: fit-content;
    width: fit-content;
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.2s cubic-bezier(0.4, 0.0, 0.2, 1);
    z-index: 1000;
    list-style: none;
    margin: 0;
    overflow: visible;
    height: auto;
    pointer-events: none;
}

.skin-google-cloud .main-navigation .menu-item-has-children:hover .sub-menu,
.skin-google-cloud .main-navigation .sub-menu:hover {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.skin-google-cloud .main-navigation .sub-menu li {
    margin: 0;
    width: 100%;
    white-space: nowrap;
}

.skin-google-cloud .main-navigation .sub-menu a {
    display: block;
    padding: 12px 20px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 400;
    text-decoration: none;
    transition: all 0.2s cubic-bezier(0.4, 0.0, 0.2, 1);
    border-radius: 0;
    white-space: nowrap;
    width: 100%;
    box-sizing: border-box;
}

.skin-google-cloud .main-navigation .sub-menu li:first-child a {
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
}

.skin-google-cloud .main-navigation .sub-menu li:last-child a {
    border-bottom-left-radius: 8px;
    border-bottom-right-radius: 8px;
}

.skin-google-cloud .main-navigation .sub-menu a:hover {
    background: var(--background-secondary);
    color: var(--text-primary);
}

.skin-google-cloud .main-navigation .sub-menu a::after {
    display: none;
}

/* Google Cloud Enhanced Responsive Design */
@media (max-width: 768px) {
    .skin-google-cloud .header-container {
        padding: 0 16px;
        height: 56px;
        gap: 16px;
    }
    
    .skin-google-cloud .site-logo {
        font-size: 18px;
    }
    
    .skin-google-cloud .main-navigation ul {
        flex-direction: column;
        gap: 8px;
        padding: 16px;
        background: var(--background-primary);
        border: 1px solid var(--border-light);
        border-radius: 8px;
        box-shadow: 0 4px 12px 0 rgba(60,64,67,0.3);
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        margin: 8px 16px 0;
        transform: translateY(-8px);
        opacity: 0;
        visibility: hidden;
        transition: all 0.2s cubic-bezier(0.4, 0.0, 0.2, 1);
    }
    
    .skin-google-cloud .main-navigation.active ul {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .skin-google-cloud .main-navigation a {
        padding: 12px 0;
        border-bottom: 1px solid var(--border-light);
        font-size: 16px;
    }
    
    .skin-google-cloud .main-navigation a:last-child {
        border-bottom: none;
    }
    
    .skin-google-cloud .main-navigation .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        border-radius: 0;
        padding: 0;
        padding-left: 20px;
        background: var(--background-secondary);
        margin-top: 8px;
        border-radius: 4px;
    }
    
    .skin-google-cloud .hero-title {
        font-size: 32px;
        line-height: 1.2;
    }
    
    .skin-google-cloud .hero-subtitle {
        font-size: 16px;
        margin-bottom: 32px;
    }
    
    .skin-google-cloud .hero-search {
        flex-direction: column;
        gap: 12px;
    }
    
    .skin-google-cloud .hero-search input,
    .skin-google-cloud .hero-search button {
        width: 100%;
        height: 48px;
    }
}

/* Google Cloud Feature Cards Hover Effects */
.skin-google-cloud .feature-card:hover {
    box-shadow: 0 1px 3px 0 rgba(60,64,67,0.302), 0 4px 8px 3px rgba(60,64,67,0.149);
    transform: translateY(-2px);
    border-color: var(--border-color);
}

/* Google Cloud Button Focus States */
.skin-google-cloud .btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.skin-google-cloud .btn:active {
    transform: translateY(1px);
}

/* Mobile Responsive Adjustments */
@media (max-width: 768px) {
    .skin-google-cloud .course-card,
    .skin-google-cloud .ebook-card,
    .skin-google-cloud .category-card {
        border-radius: var(--border-radius);
    }
    
    .skin-google-cloud .hero-search input {
        border-radius: var(--border-radius);
    }
    
    .skin-google-cloud .hero-search button {
        border-radius: var(--border-radius);
    }
}

/* Dark Mode Support (Optional Enhancement) */
@media (prefers-color-scheme: dark) {
    .skin-google-cloud {
        --text-primary: #e8eaed;
        --text-secondary: #9aa0a6;
        --text-light: #5f6368;
        --background-primary: #202124;
        --background-secondary: #303134;
        --background-tertiary: #1a1a1a;
        --border-color: #5f6368;
        --border-light: #3c4043;
    }
    
    .skin-google-cloud .site-header {
        background: var(--background-primary);
        border-bottom-color: var(--border-light);
    }
    
    .skin-google-cloud .hero-section {
        background: linear-gradient(135deg, #1a1a1a 0%, var(--background-secondary) 100%);
    }
    
    .skin-google-cloud .course-card,
    .skin-google-cloud .ebook-card,
    .skin-google-cloud .category-card,
    .skin-google-cloud .pricing-card,
    .skin-google-cloud .curriculum-card,
    .skin-google-cloud .course-stats-card,
    .skin-google-cloud .quick-info-card,
    .skin-google-cloud .instructor-profile,
    .skin-google-cloud .review-item,
    .skin-google-cloud .faq-item {
        background: var(--background-primary);
        border-color: var(--border-light);
    }
}

/* Additional Google Cloud Design Elements */

/* Chip-style badges and tags */
.skin-google-cloud .course-level,
.skin-google-cloud .course-duration,
.skin-google-cloud .session-badges span {
    background: var(--background-secondary);
    color: var(--text-secondary);
    border-radius: 16px;
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 500;
    border: 1px solid var(--border-light);
}

/* Google Cloud-style navigation pills */
.skin-google-cloud .main-navigation ul {
    gap: 16px; /* Tighter spacing for Google Cloud skin */
}

/* ===========================
   DEEPLEARNING.AI SKIN STYLES
   Inspired by https://www.deeplearning.ai/
   =========================== */

/* DeepLearning.AI Official Color Variables */
.skin-deeplearning-ai {
    /* DeepLearning.AI Primary Colors */
    --primary-color: #0e76a8;
    --primary-dark: #0a5578;
    --primary-light: #e6f3f8;
    --primary-hover: #0c6590;
    --primary-color-rgb: 14, 118, 168;
    
    /* DeepLearning.AI Accent Colors */
    --accent-orange: #ff6b35;
    --accent-coral: #ff8c61;
    --accent-teal: #1ba098;
    --accent-navy: #0a2540;
    --secondary-color: #e6f3f8;
    
    /* DeepLearning.AI Text Colors */
    --text-primary: #1a1a1a;
    --text-secondary: #4a5568;
    --text-tertiary: #718096;
    --text-disabled: #a0aec0;
    --text-white: #ffffff;
    --text-inverse: #ffffff;
    
    /* DeepLearning.AI Background Colors */
    --background-primary: #ffffff;
    --background-secondary: #f7fafc;
    --background-section: #f8f9fa;
    --background-tertiary: #edf2f7;
    --background-elevated: #ffffff;
    --background-dark: #0a2540;
    --background-navy: #1a2b45;
    --background-light: #ffffff;
    --background-overlay: rgba(10, 37, 64, 0.85);
    
    /* DeepLearning.AI Border Colors */
    --border-color: #e2e8f0;
    --border-light: #edf2f7;
    --border-dark: #4a5568;
    --border-focus: #0e76a8;
    
    /* DeepLearning.AI Shadows */
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* DeepLearning.AI Border Radius */
    --border-radius-small: 6px;
    --border-radius: 12px;
    --border-radius-large: 16px;
    --border-radius-xl: 24px;
    
    /* DeepLearning.AI Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-family-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
    
    /* DeepLearning.AI Transitions */
    --transition-standard: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Typography - DeepLearning.AI Style */
.skin-deeplearning-ai body {
    font-family: var(--font-family);
    color: var(--text-primary);
    background-color: var(--background-primary);
    line-height: 1.6;
    font-size: 16px;
    font-weight: 400;
}

/* DeepLearning.AI Header */
.skin-deeplearning-ai .site-header {
    background: var(--background-primary);
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 1000;
    transition: all var(--transition-standard);
}

.skin-deeplearning-ai .header-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.skin-deeplearning-ai .site-logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.skin-deeplearning-ai .main-navigation a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 15px;
    padding: 8px 16px;
    border-radius: var(--border-radius-small);
    transition: all var(--transition-standard);
}

.skin-deeplearning-ai .main-navigation a:hover {
    color: var(--primary-color);
    background: var(--background-secondary);
}

/* DeepLearning.AI Hero Section - Dramatic Dark Gradient */
.skin-deeplearning-ai .hero-section {
    background: linear-gradient(135deg, var(--background-dark) 0%, var(--background-navy) 100%);
    color: var(--text-white);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.skin-deeplearning-ai .hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(14, 118, 168, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(255, 107, 53, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.skin-deeplearning-ai .hero-title {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -1px;
    color: var(--text-white);
}

.skin-deeplearning-ai .hero-subtitle {
    font-size: 20px;
    line-height: 1.6;
    margin-bottom: 32px;
    opacity: 0.9;
    color: var(--text-white);
}

/* DeepLearning.AI Buttons */
.skin-deeplearning-ai .btn-primary {
    background: var(--accent-orange);
    color: var(--text-white);
    font-weight: 600;
    padding: 14px 32px;
    border-radius: var(--border-radius);
    border: none;
    font-size: 16px;
    cursor: pointer;
    transition: all var(--transition-standard);
    box-shadow: var(--shadow-md);
}

.skin-deeplearning-ai .btn-primary:hover {
    background: var(--accent-coral);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.skin-deeplearning-ai .btn-secondary {
    background: var(--background-primary);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    font-weight: 600;
    padding: 12px 30px;
    border-radius: var(--border-radius);
    transition: all var(--transition-standard);
}

.skin-deeplearning-ai .btn-secondary:hover {
    background: var(--primary-color);
    color: var(--text-white);
}

.skin-deeplearning-ai .btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    font-weight: 600;
    padding: 12px 30px;
    border-radius: var(--border-radius);
    transition: all var(--transition-standard);
}

.skin-deeplearning-ai .btn-outline:hover {
    background: var(--primary-color);
    color: var(--text-white);
}

/* DeepLearning.AI Course Cards */
.skin-deeplearning-ai .course-card,
.skin-deeplearning-ai .ebook-card,
.skin-deeplearning-ai .category-card {
    background: var(--background-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-large);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-standard);
}

.skin-deeplearning-ai .course-card:hover,
.skin-deeplearning-ai .ebook-card:hover,
.skin-deeplearning-ai .category-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.skin-deeplearning-ai .course-title a,
.skin-deeplearning-ai .ebook-title a {
    color: var(--text-primary);
    font-weight: 700;
    font-size: 20px;
    line-height: 1.3;
}

.skin-deeplearning-ai .course-title a:hover,
.skin-deeplearning-ai .ebook-title a:hover {
    color: var(--primary-color);
}

.skin-deeplearning-ai .course-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* DeepLearning.AI Section Styling */
.skin-deeplearning-ai .courses-section,
.skin-deeplearning-ai .categories-section,
.skin-deeplearning-ai .ebooks-section {
    background: var(--background-primary);
    padding: 80px 0;
}

.skin-deeplearning-ai .section-title {
    font-size: 40px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.skin-deeplearning-ai .section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 700px;
    margin: 0 auto 48px;
}

/* DeepLearning.AI Forms and Inputs */
.skin-deeplearning-ai input[type="text"],
.skin-deeplearning-ai input[type="email"],
.skin-deeplearning-ai select,
.skin-deeplearning-ai textarea {
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 12px 16px;
    font-size: 16px;
    transition: all var(--transition-standard);
    background: var(--background-primary);
    color: var(--text-primary);
}

.skin-deeplearning-ai input:focus,
.skin-deeplearning-ai select:focus,
.skin-deeplearning-ai textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(14, 118, 168, 0.1);
}

/* DeepLearning.AI Footer */
.skin-deeplearning-ai .site-footer {
    background: var(--background-dark);
    color: var(--text-white);
    padding: 60px 0 30px;
}

.skin-deeplearning-ai .footer-section h3 {
    color: var(--text-white);
    font-weight: 700;
    margin-bottom: 20px;
}

.skin-deeplearning-ai .footer-section a {
    color: rgba(255, 255, 255, 0.8);
    transition: all var(--transition-standard);
}

.skin-deeplearning-ai .footer-section a:hover {
    color: var(--accent-orange);
}

/* DeepLearning.AI Stats and Badges */
.skin-deeplearning-ai .stat-number {
    font-size: 36px;
    font-weight: 800;
    color: var(--text-white);
}

.skin-deeplearning-ai .stat-label {
    font-size: 14px;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.skin-deeplearning-ai .course-level,
.skin-deeplearning-ai .course-duration,
.skin-deeplearning-ai .session-badges span {
    background: var(--background-secondary);
    color: var(--text-secondary);
    border-radius: 20px;
    padding: 6px 14px;
    font-size: 13px;
    font-weight: 600;
    border: 1px solid var(--border-light);
}

/* DeepLearning.AI Price Display */
.skin-deeplearning-ai .course-price,
.skin-deeplearning-ai .ebook-price {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 18px;
}

/* DeepLearning.AI Category Badge */
.skin-deeplearning-ai .course-category {
    background: var(--primary-light);
    color: var(--primary-color);
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* DeepLearning.AI Responsive Design */
@media (max-width: 768px) {
    .skin-deeplearning-ai .hero-title {
        font-size: 32px;
    }
    
    .skin-deeplearning-ai .hero-subtitle {
        font-size: 18px;
    }
    
    .skin-deeplearning-ai .section-title {
        font-size: 28px;
    }
    
    .skin-deeplearning-ai .course-card,
    .skin-deeplearning-ai .ebook-card,
    .skin-deeplearning-ai .category-card {
        margin-bottom: 20px;
    }
}

.skin-google-cloud .main-navigation ul li {
    margin: 0 2px; /* Reduced from 4px */
}

.skin-google-cloud .main-navigation a {
    border-radius: 20px;
    padding: 8px 16px;
    transition: all 0.2s cubic-bezier(0.4, 0.0, 0.2, 1);
}

.skin-google-cloud .main-navigation a:hover {
    background: var(--background-secondary);
    color: var(--primary-color);
}

/* Enhanced search styling */
.skin-google-cloud .hero-search {
    position: relative;
}

.skin-google-cloud .hero-search input {
    padding-right: 120px; /* Make room for button */
}

.skin-google-cloud .hero-search button {
    position: absolute;
    right: 4px;
    top: 4px;
    bottom: 4px;
    height: auto;
    min-height: 40px;
    border-radius: 20px;
}

/* Google Cloud-style progress indicators */
.skin-google-cloud .rating-bar .bar {
    background: var(--background-secondary);
    border-radius: 4px;
    height: 8px;
}

.skin-google-cloud .rating-bar .fill {
    background: var(--primary-color);
    border-radius: 4px;
}

/* Enhanced pricing card */
.skin-google-cloud .pricing-card {
    position: relative;
    overflow: hidden;
}

.skin-google-cloud .pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--accent-color));
}

/* Google Cloud-style testimonial cards */
.skin-google-cloud .testimonial-card {
    border: 1px solid var(--border-light);
    border-radius: 12px;
    box-shadow: none;
    transition: all 0.2s cubic-bezier(0.4, 0.0, 0.2, 1);
}

.skin-google-cloud .testimonial-card:hover {
    box-shadow: 0 1px 3px 0 rgba(60,64,67,0.302), 0 4px 8px 3px rgba(60,64,67,0.149);
    transform: none;
}

/* Google Cloud-style CTA section */
.skin-google-cloud .cta-section {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--background-secondary) 100%);
    border-radius: 16px;
    margin: 40px 0;
}

/* Enhanced footer styling */
.skin-google-cloud .site-footer {
    border-top: 1px solid var(--border-light);
    background: var(--background-primary);
}

/* Google Cloud-style stats display */
.skin-google-cloud .stats-section {
    background: var(--background-primary);
    border-radius: 12px;
    border: 1px solid var(--border-light);
    padding: 40px 0;
}

/* Floating action button style for enroll button */
.skin-google-cloud .course-actions .btn-large {
    box-shadow: 0 2px 4px 0 rgba(60,64,67,0.302), 0 1px 6px 0 rgba(60,64,67,0.149);
    border-radius: 28px;
    font-weight: 500;
    text-transform: none;
}

.skin-google-cloud .course-actions .btn-large:hover {
    box-shadow: 0 4px 8px 0 rgba(60,64,67,0.302), 0 6px 20px 0 rgba(60,64,67,0.149);
    transform: translateY(-1px);
}

/* Google Cloud-style alert/notification styling */
.skin-google-cloud .alert {
    border-radius: 8px;
    border: none;
    padding: 16px 20px;
}

.skin-google-cloud .alert-success {
    background: #e8f5e8;
    color: #137333;
    border-left: 4px solid var(--secondary-color);
}

.skin-google-cloud .alert-error {
    background: #fce8e6;
    color: #d93025;
    border-left: 4px solid var(--error-color);
}

.skin-google-cloud .alert-info {
    background: var(--primary-light);
    color: var(--primary-dark);
    border-left: 4px solid var(--primary-color);
}

/* Enhanced mobile responsiveness for Google Cloud skin */
@media (max-width: 768px) {
    .skin-google-cloud .hero-search {
        flex-direction: column;
        gap: 16px;
    }
    
    .skin-google-cloud .hero-search input {
        padding-right: 20px;
    }
    
    .skin-google-cloud .hero-search button {
        position: static;
        width: 100%;
        height: 48px;
    }
    
    .skin-google-cloud .main-navigation a {
        border-radius: 16px;
        padding: 6px 12px;
        font-size: 14px;
    }
    
    .skin-google-cloud .nested-tab-button {
        border-radius: 16px;
        padding: 6px 12px;
        font-size: 13px;
    }
}

/* Google Cloud-style loading states and micro-interactions */
.skin-google-cloud .btn:active {
    transform: scale(0.98);
}

.skin-google-cloud .course-card:active,
.skin-google-cloud .feature-item:active {
    transform: scale(0.99);
}

/* Enhanced focus states for accessibility */
.skin-google-cloud .btn:focus,
.skin-google-cloud .tab-button:focus,
.skin-google-cloud .nested-tab-button:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.skin-google-cloud input:focus,
.skin-google-cloud textarea:focus,
.skin-google-cloud select:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Enhanced Header Spacing for Better Site Name Visibility */
@media (max-width: 1200px) {
    .main-navigation ul {
        gap: 16px; /* Reduce gap on smaller screens */
    }
    
    .header-actions {
        gap: 10px; /* Tighter spacing for action buttons */
    }
}

@media (max-width: 992px) {
    .header-container {
        padding: 0 16px;
        gap: 10px;
        overflow: hidden; /* Ensure overflow is hidden */
    }
    
    .main-navigation {
        flex-shrink: 1;
        min-width: 0;
    }
    
    .main-navigation ul {
        gap: 8px; /* Further reduce gap */
    }
    
    .header-actions {
        gap: 6px; /* Reduce gap */
        flex-shrink: 1;
        min-width: 0;
    }
    
    .site-logo {
        font-size: 18px; /* Smaller logo on medium screens */
        max-width: 200px; /* Limit logo width */
    }
    
    .main-navigation a {
        font-size: 16px; /* Slightly smaller */
        padding: 6px 8px; /* Reduce padding */
    }
    
    .header-actions .btn {
        padding: 6px 10px; /* Reduce padding */
        font-size: 12px; /* Smaller font */
        flex-shrink: 1;
    }
    
    /* Hide some navigation items if space is limited */
    .main-navigation ul li:nth-child(n+4) {
        display: none;
    }
}

@media (max-width: 768px) {
    .header-container {
        flex-direction: row; /* Keep horizontal layout on mobile */
        height: 56px; /* Reduced from 70px for compact mobile navbar */
        padding: 8px 16px; /* Reduced from 14px 16px for compact navbar */
        gap: 10px; /* Reduce gap */
        overflow-x: hidden; /* Prevent horizontal overflow */
        overflow-y: visible; /* Allow dropdowns to show */
    }
    
    .site-logo {
        font-size: 16px; /* Smaller on mobile but still visible */
        flex-shrink: 1; /* Allow shrinking */
        max-width: 150px; /* Limit width */
    }
    
    .main-navigation {
        margin: 0;
        flex: 1;
        flex-shrink: 1; /* Allow shrinking */
        min-width: 0;
        justify-content: flex-start; /* Align left on mobile */
    }
    
    .main-navigation ul {
        flex-direction: row;
        flex-wrap: nowrap; /* Prevent wrapping */
        justify-content: flex-start;
        gap: 6px; /* Reduce gap */
        overflow-x: auto; /* Allow horizontal scroll if needed */
        scrollbar-width: none; /* Hide scrollbar */
        -ms-overflow-style: none;
    }
    
    .main-navigation ul::-webkit-scrollbar {
        display: none; /* Hide scrollbar */
    }
    
    .main-navigation a {
        font-size: 12px;
        padding: 6px 6px; /* Reduce padding */
        white-space: nowrap;
    }
    
    .header-actions {
        gap: 6px; /* Reduce gap */
        margin-top: 0;
        flex-shrink: 1; /* Allow shrinking */
        min-width: 0;
    }
    
    .header-actions .btn {
        padding: 6px 8px; /* Reduce padding */
        font-size: 11px; /* Smaller font */
        flex-shrink: 1; /* Allow shrinking */
    }
}

@media (max-width: 480px) {
    .header-container {
        padding: 8px 10px; /* Even more compact on very small screens */
        gap: 8px; /* Reduce gap */
        overflow: hidden; /* Ensure overflow is hidden */
    }
    
    .site-logo {
        font-size: 14px; /* Smaller on very small screens */
        max-width: 120px; /* Further limit width */
        flex-shrink: 1;
    }
    
    .main-navigation {
        flex-shrink: 1;
        min-width: 0;
    }
    
    .main-navigation ul {
        gap: 4px; /* Minimal gap on very small screens */
    }
    
    .main-navigation a {
        font-size: 11px;
        padding: 4px 4px; /* Reduce padding */
        white-space: nowrap;
    }
    
    .header-actions {
        gap: 4px; /* Reduce gap */
        flex-shrink: 1;
        min-width: 0;
    }
    
    .header-actions .btn {
        padding: 5px 6px; /* Reduce padding */
        font-size: 10px; /* Smaller font */
        flex-shrink: 1;
    }
    
    /* Hide navigation menu on very small screens - use mobile menu toggle */
    .main-navigation:not(.mobile-menu-open) {
        display: none;
    }
}

/* Extra small screens - ensure title stays on one line */
@media (max-width: 360px) {
    .header-container {
        padding: 6px 8px;
        gap: 6px; /* Reduce gap */
        overflow: hidden; /* Ensure overflow is hidden */
    }
    
    .site-logo {
        font-size: 12px;
        max-width: 100px; /* Further limit width on very small screens */
        flex-shrink: 1;
    }
    
    .main-navigation {
        flex-shrink: 1;
        min-width: 0;
    }
    
    .main-navigation ul {
        gap: 4px;
    }
    
    .main-navigation a {
        font-size: 10px;
        padding: 3px 4px; /* Reduce padding */
    }
    
    .header-actions {
        gap: 4px;
        flex-shrink: 1;
        min-width: 0;
    }
    
    .header-actions .btn {
        padding: 4px 5px; /* Reduce padding */
        font-size: 9px; /* Smaller font */
        flex-shrink: 1;
    }
    
    /* Hide navigation menu on extra small screens - use mobile menu toggle */
    .main-navigation:not(.mobile-menu-open) {
        display: none;
    }
}

/* Google Cloud Dropdown Menus */
.skin-google-cloud .main-navigation .menu-item-has-children {
    position: relative;
}

.skin-google-cloud .main-navigation .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--background-primary);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    box-shadow: 0 4px 12px 0 rgba(60,64,67,0.3);
    min-width: fit-content;
    width: fit-content;
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.2s cubic-bezier(0.4, 0.0, 0.2, 1);
    z-index: 1000;
    list-style: none;
    margin: 0;
    overflow: visible;
    height: auto;
}

.skin-google-cloud .main-navigation .menu-item-has-children:hover .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.skin-google-cloud .main-navigation .sub-menu li {
    margin: 0;
    width: 100%;
    white-space: nowrap;
}

.skin-google-cloud .main-navigation .sub-menu a {
    display: block;
    padding: 12px 20px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 400;
    text-decoration: none;
    transition: all 0.2s cubic-bezier(0.4, 0.0, 0.2, 1);
    border-radius: 0;
    white-space: nowrap;
    width: 100%;
    box-sizing: border-box;
}

.skin-google-cloud .main-navigation .sub-menu a:hover {
    background: var(--background-secondary);
    color: var(--text-primary);
}

.skin-google-cloud .main-navigation .sub-menu a::after {
    display: none;
}

/* Google Cloud Mobile Navigation */
@media (max-width: 768px) {
    .skin-google-cloud .header-container {
        padding: 0 16px;
        height: 56px;
        gap: 16px;
    }
    
    .skin-google-cloud .site-logo {
        font-size: 18px;
    }
    
    .skin-google-cloud .main-navigation {
        position: fixed;
        top: 56px;
        left: 0;
        right: 0;
        background: var(--background-primary);
        border-top: 1px solid var(--border-light);
        box-shadow: 0 4px 12px 0 rgba(60,64,67,0.3);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
        z-index: 999;
        padding: 16px 0;
        max-height: calc(100vh - 56px);
        overflow-y: auto;
    }
    
    .skin-google-cloud .main-navigation.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .skin-google-cloud .main-navigation ul {
        flex-direction: column;
        gap: 0;
        padding: 0 16px;
    }
    
    .skin-google-cloud .main-navigation a {
        padding: 16px 0;
        border-bottom: 1px solid var(--border-light);
        font-size: 16px;
    }
    
    .skin-google-cloud .main-navigation a:last-child {
        border-bottom: none;
    }
    
    .skin-google-cloud .main-navigation .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        border-radius: 0;
        padding: 0;
        padding-left: 20px;
        background: var(--background-secondary);
        margin-top: 8px;
        border-radius: 4px;
    }
    
    .skin-google-cloud .main-navigation .sub-menu a {
        padding: 12px 16px;
        border-bottom: none;
        font-size: 14px;
    }
    
    .skin-google-cloud .header-actions {
        gap: 8px;
    }
    
    .skin-google-cloud .header-actions .btn {
        padding: 8px 16px;
        font-size: 14px;
        min-height: 36px;
    }
    
    /* Mobile menu toggle button */
    .skin-google-cloud .mobile-menu-toggle {
        display: block;
        background: none;
        border: none;
        padding: 8px;
        cursor: pointer;
        color: var(--text-secondary);
        transition: color 0.2s cubic-bezier(0.4, 0.0, 0.2, 1);
    }
    
    .skin-google-cloud .mobile-menu-toggle:hover {
        color: var(--text-primary);
    }
}

@media (min-width: 769px) {
    .skin-google-cloud .mobile-menu-toggle {
        display: none;
    }
}

/* Google Cloud Hero Section Enhancements */
.skin-google-cloud .hero-section .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Google Cloud Feature Cards Hover Effects */
.skin-google-cloud .feature-card:hover {
    box-shadow: 0 1px 3px 0 rgba(60,64,67,0.302), 0 4px 8px 3px rgba(60,64,67,0.149);
    transform: translateY(-2px);
    border-color: var(--border-color);
}

/* Google Cloud Course Cards Enhanced */
.skin-google-cloud .course-card:hover {
    box-shadow: 0 1px 3px 0 rgba(60,64,67,0.302), 0 4px 8px 3px rgba(60,64,67,0.149);
    transform: translateY(-2px);
    border-color: var(--border-color);
}

/* Google Cloud Search Enhancement */
.skin-google-cloud .hero-search input::placeholder {
    color: var(--text-light);
}

/* Google Cloud Button Focus States */
.skin-google-cloud .btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.skin-google-cloud .btn:active {
    transform: translateY(1px);
}

/* Google Cloud Loading States */
.skin-google-cloud .loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Google Cloud Accessibility Improvements */
.skin-google-cloud .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Google Cloud Enhanced Responsive Design */
@media (max-width: 480px) {
    .skin-google-cloud .hero-title {
        font-size: 32px;
        line-height: 1.2;
    }
    
    .skin-google-cloud .hero-subtitle {
        font-size: 16px;
        margin-bottom: 32px;
    }
    
    .skin-google-cloud .hero-search {
        flex-direction: column;
        gap: 12px;
    }
    
    .skin-google-cloud .hero-search input,
    .skin-google-cloud .hero-search button {
        width: 100%;
        height: 48px;
    }
    
    .skin-google-cloud .hero-actions {
        flex-direction: column;
        gap: 12px;
    }
    
    .skin-google-cloud .btn-large {
        width: 100%;
        justify-content: center;
    }
    
    .skin-google-cloud .section-title {
        font-size: 32px;
    }
    
    .skin-google-cloud .section-subtitle {
        font-size: 16px;
        margin-bottom: 48px;
    }
}

/* Google Cloud Print Styles */
@media print {
    .skin-google-cloud .site-header,
    .skin-google-cloud .site-footer,
    .skin-google-cloud .hero-search,
    .skin-google-cloud .btn {
        display: none !important;
    }
    
    .skin-google-cloud body {
        background: white !important;
        color: black !important;
    }
    
    .skin-google-cloud .hero-title,
    .skin-google-cloud .section-title {
        color: black !important;
    }
}

/* ========================================
   MAILCHIMP SKIN - 100% ACCURATE TO MAILCHIMP.COM
   ======================================== */

/* Mailchimp Design System - Official Colors & Typography */
.skin-mailchimp {
    /* Updated Mailchimp Brand Colors - 2024 */
    --primary-color: #ffe01c; /* Cavendish Yellow - Mailchimp's hero color */
    --primary-dark: #e6c700;
    --primary-light: #fff4a3;
    --primary-hover: #ffda00;
    
    /* Updated Mailchimp Secondary Colors - 2024 */
    --secondary-color: #241c15; /* Updated Peppercorn - darker for better contrast */
    --secondary-light: #4a4a4a;
    --secondary-dark: #1a1a1a;
    
    /* Updated Mailchimp Supporting Colors - 2024 Palette */
    --accent-orange: #ff6b35; /* Updated orange */
    --accent-blue: #0066cc; /* Updated blue */
    --accent-green: #00c851; /* Updated green */
    --accent-red: #dc3545; /* Updated red */
    --accent-purple: #6f42c1; /* Updated purple */
    --accent-pink: #e83e8c; /* Updated pink */
    --accent-teal: #20c997; /* New teal */
    --accent-indigo: #6610f2; /* New indigo */
    
    /* Updated Mailchimp Text Colors - 2024 */
    --text-primary: #241c15; /* Darker for better readability */
    --text-secondary: #4a4a4a; /* Updated secondary text */
    --text-tertiary: #6c757d; /* Updated tertiary text */
    --text-white: #ffffff;
    --text-black: #000000;
    --text-muted: #6c757d;
    
    /* Updated Mailchimp Background Colors - 2024 */
    --background-primary: #ffffff;
    --background-secondary: #f8f9fa; /* Updated light background */
    --background-tertiary: #e9ecef; /* Updated tertiary background */
    --background-dark: #241c15;
    --background-yellow: #fffbf0;
    --background-hover: #f8f9fa;
    --background-light: #fafafa; /* New light background */
    
    /* Updated Mailchimp Border Colors - 2024 */
    --border-color: #dee2e6; /* Updated border color */
    --border-light: #e9ecef; /* Updated light border */
    --border-dark: #adb5bd; /* Updated dark border */
    --border-focus: #ffe01c;
    
    /* Updated Mailchimp Typography - 2024 */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-family-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-family-mono: 'JetBrains Mono', 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    
    /* Updated Mailchimp Font Weights - 2024 */
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-black: 900;
    
    /* Updated Mailchimp Font Sizes - 2024 */
    --font-size-xs: 12px;
    --font-size-sm: 14px;
    --font-size-base: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    --font-size-3xl: 30px;
    --font-size-4xl: 36px;
    --font-size-5xl: 48px;
    --font-size-6xl: 60px;
    --font-size-7xl: 72px; /* New larger size */
    
    /* Updated Mailchimp Line Heights - 2024 */
    --line-height-tight: 1.1;
    --line-height-normal: 1.4;
    --line-height-relaxed: 1.6;
    --line-height-loose: 1.8;
    
    /* Updated Mailchimp Spacing - 2024 */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    --spacing-4xl: 96px;
    --spacing-5xl: 128px; /* New larger spacing */
    
    /* Updated Mailchimp Border Radius - 2024 */
    --border-radius-sm: 6px; /* Updated for modern look */
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    --border-radius-2xl: 20px; /* Updated */
    --border-radius-full: 9999px;
    
    /* Updated Mailchimp Shadows - 2024 */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
    --shadow-yellow: 0 4px 14px 0 rgba(255, 224, 28, 0.4); /* New yellow shadow */
    
    /* Updated Mailchimp Transitions - 2024 */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Updated Mailchimp Z-Index - 2024 */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* Mailchimp Header - Exact Match to mailchimp.com */
.skin-mailchimp .site-header {
    background: var(--background-primary) !important;
    border-bottom: 1px solid var(--border-light) !important;
    box-shadow: none !important;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: var(--z-sticky);
    transition: all var(--transition-normal);
}

.skin-mailchimp .header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px; /* Updated height */
    gap: var(--spacing-lg);
}

/* Mailchimp Logo - Updated 2024 Styling */
.skin-mailchimp .site-logo {
    color: var(--text-primary) !important;
    font-family: var(--font-family) !important;
    font-weight: var(--font-weight-bold) !important;
    font-size: var(--font-size-2xl) !important;
    white-space: nowrap;
    flex-shrink: 0;
    transition: color var(--transition-fast);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.skin-mailchimp .site-logo:hover {
    color: var(--primary-color) !important;
    text-decoration: none;
    transform: scale(1.02);
}

.skin-mailchimp .site-logo::before {
    content: "Mailchimp";
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Mailchimp Navigation - Updated 2024 Design */
.skin-mailchimp .main-navigation {
    flex: 1;
    display: flex;
    justify-content: center;
}

.skin-mailchimp .main-navigation ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--spacing-xl);
}

.skin-mailchimp .main-navigation a {
    color: var(--text-primary) !important;
    font-weight: var(--font-weight-medium) !important;
    font-size: 20px !important;
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-md);
    position: relative;
    transition: all var(--transition-fast);
    white-space: nowrap;
    border-radius: var(--border-radius-md);
    font-family: var(--font-family);
}

.skin-mailchimp .main-navigation a:hover {
    color: var(--primary-color) !important;
    background-color: var(--background-yellow);
    transform: translateY(-1px);
}

.skin-mailchimp .main-navigation a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-hover));
    transition: all var(--transition-fast);
    transform: translateX(-50%);
    border-radius: 1px;
}

.skin-mailchimp .main-navigation a:hover::after {
    width: 80%;
}

/* Mailchimp Header Actions */
.skin-mailchimp .header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-shrink: 0;
}

/* Mailchimp Buttons - Official Design */
.skin-mailchimp .btn {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    padding: 12px var(--spacing-lg) !important;
    border-radius: var(--border-radius-lg) !important;
    font-family: var(--font-family) !important;
    font-size: var(--font-size-base) !important;
    font-weight: var(--font-weight-semibold) !important;
    text-decoration: none;
    border: 2px solid transparent !important;
    cursor: pointer;
    transition: all var(--transition-fast);
    min-height: 48px;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.skin-mailchimp .btn-primary {
    background: var(--primary-color) !important;
    color: var(--text-black) !important;
    border-color: var(--primary-color) !important;
}

.skin-mailchimp .btn-primary:hover {
    background: var(--primary-hover) !important;
    border-color: var(--primary-hover) !important;
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.skin-mailchimp .btn-secondary {
    background: transparent !important;
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}

.skin-mailchimp .btn-secondary:hover {
    background: var(--background-hover) !important;
    border-color: var(--text-primary) !important;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.skin-mailchimp .btn-outline {
    background: transparent !important;
    color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
}

.skin-mailchimp .btn-outline:hover {
    background: var(--primary-color) !important;
    color: var(--text-black) !important;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Mailchimp Hero Section - Authentic Design */
.skin-mailchimp .hero-section {
    background: linear-gradient(135deg, var(--background-primary) 0%, var(--background-yellow) 100%) !important;
    color: var(--text-primary) !important;
    padding: var(--spacing-4xl) 0 !important;
    position: relative;
    overflow: hidden;
}

.skin-mailchimp .hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23ffe01c" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="%23ffe01c" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="%23ffe01c" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
    pointer-events: none;
}

.skin-mailchimp .hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.skin-mailchimp .hero-title {
    font-family: var(--font-family) !important;
    font-weight: var(--font-weight-black) !important;
    font-size: var(--font-size-6xl) !important;
    color: var(--text-primary) !important;
    margin-bottom: var(--spacing-lg) !important;
    line-height: var(--line-height-tight) !important;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--text-primary), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.skin-mailchimp .hero-subtitle {
    font-family: var(--font-family) !important;
    font-weight: var(--font-weight-normal) !important;
    font-size: var(--font-size-xl) !important;
    color: var(--text-secondary) !important;
    margin-bottom: var(--spacing-2xl) !important;
    line-height: var(--line-height-relaxed) !important;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Mailchimp Search Bar - Exact Match */
.skin-mailchimp .hero-search {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.skin-mailchimp .hero-search input {
    flex: 1;
    min-width: 300px;
    border: 2px solid var(--border-color) !important;
    border-radius: var(--border-radius-lg) !important;
    padding: 16px var(--spacing-lg) !important;
    font-size: var(--font-size-lg) !important;
    font-family: var(--font-family) !important;
    background: var(--background-primary) !important;
    color: var(--text-primary) !important;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.skin-mailchimp .hero-search input:focus {
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 3px rgba(255, 224, 28, 0.2) !important;
    outline: none;
}

.skin-mailchimp .hero-search input::placeholder {
    color: var(--text-tertiary) !important;
}

.skin-mailchimp .hero-search button {
    background: var(--primary-color) !important;
    border: 2px solid var(--primary-color) !important;
    border-radius: var(--border-radius-lg) !important;
    padding: 16px var(--spacing-xl) !important;
    color: var(--text-black) !important;
    font-weight: var(--font-weight-semibold) !important;
    font-size: var(--font-size-lg) !important;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.skin-mailchimp .hero-search button:hover {
    background: var(--primary-hover) !important;
    border-color: var(--primary-hover) !important;
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

/* Mailchimp Card Styles - Authentic Design */
.skin-mailchimp .course-card,
.skin-mailchimp .ebook-card,
.skin-mailchimp .category-card {
    background: var(--background-primary) !important;
    border: 1px solid var(--border-light) !important;
    border-radius: var(--border-radius-xl) !important;
    padding: var(--spacing-lg) !important;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    position: relative;
}

.skin-mailchimp .course-card:hover,
.skin-mailchimp .ebook-card:hover,
.skin-mailchimp .category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color) !important;
}

.skin-mailchimp .course-card::before,
.skin-mailchimp .ebook-card::before,
.skin-mailchimp .category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--accent-orange) 50%, var(--accent-blue) 100%);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.skin-mailchimp .course-card:hover::before,
.skin-mailchimp .ebook-card:hover::before,
.skin-mailchimp .category-card:hover::before {
    opacity: 1;
}

/* Mailchimp Typography */
.skin-mailchimp h1,
.skin-mailchimp h2,
.skin-mailchimp h3,
.skin-mailchimp h4,
.skin-mailchimp h5,
.skin-mailchimp h6 {
    font-family: var(--font-family-display) !important;
    color: var(--text-primary) !important;
    line-height: var(--line-height-tight);
    letter-spacing: -0.01em;
}

.skin-mailchimp h1 {
    font-size: var(--font-size-5xl) !important;
    font-weight: var(--font-weight-black) !important;
}

.skin-mailchimp h2 {
    font-size: var(--font-size-4xl) !important;
    font-weight: var(--font-weight-bold) !important;
}

.skin-mailchimp h3 {
    font-size: var(--font-size-3xl) !important;
    font-weight: var(--font-weight-bold) !important;
}

.skin-mailchimp h4 {
    font-size: var(--font-size-2xl) !important;
    font-weight: var(--font-weight-semibold) !important;
}

.skin-mailchimp h5 {
    font-size: var(--font-size-xl) !important;
    font-weight: var(--font-weight-semibold) !important;
}

.skin-mailchimp h6 {
    font-size: var(--font-size-lg) !important;
    font-weight: var(--font-weight-medium) !important;
}

.skin-mailchimp p {
    color: var(--text-secondary) !important;
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-md);
}

/* Mailchimp Links */
.skin-mailchimp a {
    color: var(--text-primary) !important;
    text-decoration: underline;
    text-decoration-color: var(--primary-color);
    text-underline-offset: 2px;
    transition: all var(--transition-fast);
}

.skin-mailchimp a:hover {
    color: var(--primary-color) !important;
    text-decoration-thickness: 2px;
}

/* Mailchimp Forms */
.skin-mailchimp input,
.skin-mailchimp textarea,
.skin-mailchimp select {
    border: 2px solid var(--border-color) !important;
    border-radius: var(--border-radius-md) !important;
    padding: 12px var(--spacing-md) !important;
    font-family: var(--font-family) !important;
    font-size: var(--font-size-base) !important;
    background: var(--background-primary) !important;
    color: var(--text-primary) !important;
    transition: all var(--transition-fast);
    width: 100%;
}

.skin-mailchimp input:focus,
.skin-mailchimp textarea:focus,
.skin-mailchimp select:focus {
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 3px rgba(255, 224, 28, 0.2) !important;
    outline: none;
}

/* Mailchimp Badges - Authentic Design */
.skin-mailchimp .course-badge,
.skin-mailchimp .course-level,
.skin-mailchimp .session-badges span {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--background-tertiary) !important;
    color: var(--text-primary) !important;
    border-radius: var(--border-radius-full) !important;
    font-size: var(--font-size-xs) !important;
    font-weight: var(--font-weight-semibold) !important;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 1px solid var(--border-light) !important;
}

.skin-mailchimp .course-badge.new {
    background: var(--primary-color) !important;
    color: var(--text-black) !important;
    border-color: var(--primary-color) !important;
}

.skin-mailchimp .course-badge.popular {
    background: var(--accent-orange) !important;
    color: var(--text-white) !important;
    border-color: var(--accent-orange) !important;
}

.skin-mailchimp .sale-badge {
    background: var(--accent-red) !important;
    color: var(--text-white) !important;
    border-color: var(--accent-red) !important;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* Mailchimp Pricing Cards */
.skin-mailchimp .pricing-card {
    position: relative;
    background: var(--background-primary) !important;
    border: 2px solid var(--border-light) !important;
    border-radius: var(--border-radius-xl) !important;
    padding: var(--spacing-2xl) !important;
    transition: all var(--transition-normal);
    overflow: hidden;
}

.skin-mailchimp .pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--accent-orange) 25%, var(--accent-blue) 50%, var(--accent-green) 75%, var(--accent-purple) 100%);
    transform: translateX(-100%);
    transition: transform var(--transition-slow);
}

.skin-mailchimp .pricing-card:hover::before {
    transform: translateX(0);
}

.skin-mailchimp .pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-color) !important;
}

/* Mailchimp Featured Pricing Card */
.skin-mailchimp .pricing-card.featured {
    border-color: var(--primary-color) !important;
    background: linear-gradient(135deg, var(--background-primary) 0%, var(--background-yellow) 100%) !important;
    transform: scale(1.05);
}

.skin-mailchimp .pricing-card.featured::before {
    transform: translateX(0);
}

/* Mailchimp Footer */
.skin-mailchimp .site-footer {
    background: var(--background-dark) !important;
    color: var(--text-white) !important;
    padding: var(--spacing-4xl) 0 var(--spacing-2xl);
    position: relative;
}

.skin-mailchimp .site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--accent-orange) 20%, var(--accent-blue) 40%, var(--accent-green) 60%, var(--accent-purple) 80%, var(--accent-pink) 100%);
}

.skin-mailchimp .footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.skin-mailchimp .site-footer h3 {
    color: var(--text-white) !important;
    font-size: var(--font-size-lg) !important;
    font-weight: var(--font-weight-bold) !important;
    margin-bottom: var(--spacing-md);
}

.skin-mailchimp .site-footer a {
    color: var(--text-white) !important;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.skin-mailchimp .site-footer a:hover {
    color: var(--primary-color) !important;
    text-decoration: underline;
    text-decoration-color: var(--primary-color);
}

/* Mailchimp Responsive Design */
@media (max-width: 768px) {
    .skin-mailchimp .header-container {
        padding: 0 var(--spacing-md);
        gap: var(--spacing-md);
    }
    
    .skin-mailchimp .main-navigation ul {
        gap: var(--spacing-lg);
    }
    
    .skin-mailchimp .hero-section {
        padding: var(--spacing-3xl) 0;
    }
    
    .skin-mailchimp .hero-search {
        flex-direction: column;
    }
    
    .skin-mailchimp .hero-search input {
        min-width: auto;
    }
    
    .skin-mailchimp .btn {
        padding: 10px var(--spacing-md);
        font-size: var(--font-size-sm);
    }
}

/* Mailchimp Dark Mode Support */
@media (prefers-color-scheme: dark) {
    .skin-mailchimp {
        --background-primary: #1a1a1a;
        --background-secondary: #2d2d2d;
        --background-tertiary: #404040;
        --text-primary: #ffffff;
        --text-secondary: #cccccc;
        --text-tertiary: #999999;
        --border-color: #404040;
        --border-light: #333333;
    }
}

/* Mailchimp Accessibility Enhancements */
.skin-mailchimp *:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.skin-mailchimp .btn:focus-visible {
    outline: 2px solid var(--text-white);
    outline-offset: 2px;
}

/* Mailchimp Animation Effects */
.skin-mailchimp .course-card,
.skin-mailchimp .ebook-card,
.skin-mailchimp .category-card {
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mailchimp Loading States */
.skin-mailchimp .loading {
    position: relative;
    overflow: hidden;
}

.skin-mailchimp .loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 224, 28, 0.2), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* End Mailchimp Skin */

/* Mailchimp Hero Search - Updated 2024 Design */
.skin-mailchimp .hero-search {
    display: flex;
    max-width: 500px;
    margin: 0 auto;
    background: var(--background-primary);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 2px solid transparent;
    transition: all var(--transition-normal);
    position: relative;
}

.skin-mailchimp .hero-search:focus-within {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-2xl), var(--shadow-yellow);
    transform: translateY(-2px);
}

.skin-mailchimp .hero-search input {
    flex: 1;
    padding: var(--spacing-lg) var(--spacing-xl) !important;
    border: none !important;
    outline: none !important;
    font-family: var(--font-family) !important;
    font-size: var(--font-size-lg) !important;
    font-weight: var(--font-weight-medium) !important;
    color: var(--text-primary) !important;
    background: transparent !important;
}

.skin-mailchimp .hero-search input:focus {
    box-shadow: none !important;
}

.skin-mailchimp .hero-search input::placeholder {
    color: var(--text-tertiary) !important;
    font-weight: var(--font-weight-normal) !important;
}

.skin-mailchimp .hero-search button {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover)) !important;
    color: var(--text-black) !important;
    border: none !important;
    padding: var(--spacing-lg) var(--spacing-xl) !important;
    font-family: var(--font-family) !important;
    font-weight: var(--font-weight-semibold) !important;
    font-size: var(--font-size-base) !important;
    cursor: pointer;
    transition: all var(--transition-fast) !important;
    white-space: nowrap;
    box-shadow: var(--shadow-yellow);
}

.skin-mailchimp .hero-search button:hover {
    background: linear-gradient(135deg, var(--primary-hover), var(--primary-color)) !important;
    transform: scale(1.05);
    box-shadow: var(--shadow-lg), var(--shadow-yellow);
}

/* Mailchimp Course Cards - Updated 2024 Design */
.skin-mailchimp .course-card,
.skin-mailchimp .ebook-card,
.skin-mailchimp .category-card {
    background: var(--background-primary) !important;
    border-radius: var(--border-radius-xl) !important;
    border: 1px solid var(--border-light) !important;
    padding: var(--spacing-xl) !important;
    transition: all var(--transition-normal) !important;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    font-family: var(--font-family);
}

.skin-mailchimp .course-card:hover,
.skin-mailchimp .ebook-card:hover,
.skin-mailchimp .category-card:hover {
    transform: translateY(-8px) !important;
    box-shadow: var(--shadow-2xl) !important;
    border-color: var(--primary-color) !important;
}

.skin-mailchimp .course-card::before,
.skin-mailchimp .ebook-card::before,
.skin-mailchimp .category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-orange), var(--accent-blue));
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.skin-mailchimp .course-card:hover::before,
.skin-mailchimp .ebook-card:hover::before,
.skin-mailchimp .category-card:hover::before {
    opacity: 1;
}

/* Mailchimp Typography - Updated 2024 */
.skin-mailchimp h1,
.skin-mailchimp h2,
.skin-mailchimp h3,
.skin-mailchimp h4,
.skin-mailchimp h5,
.skin-mailchimp h6 {
    font-family: var(--font-family) !important;
    font-weight: var(--font-weight-bold) !important;
    color: var(--text-primary) !important;
    line-height: var(--line-height-tight) !important;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-md);
}

.skin-mailchimp h1 {
    font-size: var(--font-size-5xl) !important;
    font-weight: var(--font-weight-black) !important;
    background: linear-gradient(135deg, var(--text-primary), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.skin-mailchimp h2 {
    font-size: var(--font-size-4xl) !important;
    font-weight: var(--font-weight-bold) !important;
}

.skin-mailchimp h3 {
    font-size: var(--font-size-3xl) !important;
    font-weight: var(--font-weight-semibold) !important;
}

.skin-mailchimp h4 {
    font-size: var(--font-size-2xl) !important;
    font-weight: var(--font-weight-semibold) !important;
}

.skin-mailchimp h5 {
    font-size: var(--font-size-xl) !important;
    font-weight: var(--font-weight-medium) !important;
}

.skin-mailchimp h6 {
    font-size: var(--font-size-lg) !important;
    font-weight: var(--font-weight-medium) !important;
}

.skin-mailchimp p {
    font-family: var(--font-family) !important;
    font-size: var(--font-size-base) !important;
    line-height: var(--line-height-relaxed) !important;
    color: var(--text-secondary) !important;
    margin-bottom: var(--spacing-md);
}

.skin-mailchimp a {
    color: var(--primary-color) !important;
    text-decoration: none;
    transition: all var(--transition-fast);
    font-weight: var(--font-weight-medium);
}

.skin-mailchimp a:hover {
    color: var(--primary-hover) !important;
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* Mailchimp Form Elements - Updated 2024 */
.skin-mailchimp input,
.skin-mailchimp textarea,
.skin-mailchimp select {
    font-family: var(--font-family) !important;
    font-size: var(--font-size-base) !important;
    padding: var(--spacing-md) var(--spacing-lg) !important;
    border: 2px solid var(--border-color) !important;
    border-radius: var(--border-radius-lg) !important;
    background: var(--background-primary) !important;
    color: var(--text-primary) !important;
    transition: all var(--transition-fast) !important;
    box-shadow: var(--shadow-sm);
}

.skin-mailchimp input:focus,
.skin-mailchimp textarea:focus,
.skin-mailchimp select:focus {
    outline: none !important;
    border-color: var(--primary-color) !important;
    box-shadow: var(--shadow-md), var(--shadow-yellow) !important;
    transform: translateY(-1px);
}

/* Mailchimp Badges - Updated 2024 */
.skin-mailchimp .course-badge,
.skin-mailchimp .sale-badge {
    font-family: var(--font-family) !important;
    font-weight: var(--font-weight-semibold) !important;
    font-size: var(--font-size-sm) !important;
    padding: var(--spacing-xs) var(--spacing-md) !important;
    border-radius: var(--border-radius-full) !important;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    position: relative;
    overflow: hidden;
}

.skin-mailchimp .course-badge.new {
    background: linear-gradient(135deg, var(--accent-green), var(--accent-teal)) !important;
    color: var(--text-white) !important;
    box-shadow: var(--shadow-yellow);
}

.skin-mailchimp .course-badge.popular {
    background: linear-gradient(135deg, var(--accent-orange), var(--accent-red)) !important;
    color: var(--text-white) !important;
    box-shadow: var(--shadow-yellow);
}

.skin-mailchimp .sale-badge {
    background: linear-gradient(135deg, var(--accent-red), var(--accent-pink)) !important;
    color: var(--text-white) !important;
    animation: pulse 2s infinite;
    box-shadow: var(--shadow-yellow);
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* Google Cloud Skills Boost Style Course Cards */
.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin: 40px 0;
}

.course-card {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: all 0.2s ease;
    border: 1px solid #e8eaed;
    position: relative;
}

.course-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
    border-color: #dadce0;
}

.course-image-container {
    position: relative;
    overflow: hidden;
    background: #f8f9fa;
}

.course-image {
    width: 100%;
    height: 140px;
    object-fit: cover;
    transition: transform 0.2s ease;
}

.course-card:hover .course-image {
    transform: scale(1.05);
}

.course-image-placeholder {
    width: 100%;
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.course-icon {
    font-size: 48px;
    opacity: 0.6;
}

.course-badges {
    position: absolute;
    top: 12px;
    left: 12px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.badge {
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: white;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
}

.badge-featured {
    background: linear-gradient(135deg, #ff6b35, #f7931e);
}

.badge-new {
    background: linear-gradient(135deg, #34a853, #0f9d58);
}

.badge-level {
    background: linear-gradient(135deg, #4285f4, #1a73e8);
}

.badge-free {
    background: linear-gradient(135deg, #34a853, #0f9d58);
}

.course-content {
    padding: 14px;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.course-meta-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.course-category {
    font-size: 11px;
    color: #5f6368;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.course-rating {
    display: flex;
    align-items: center;
    gap: 4px;
}

.stars {
    color: #fbbc04;
    font-size: 14px;
}

.rating-text {
    font-size: 12px;
    color: #5f6368;
    font-weight: 600;
}

.course-title {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 6px;
    color: #202124;
}

.course-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
}

.course-title a:hover {
    color: #1a73e8;
}

.course-description {
    font-size: 14px;
    line-height: 1.5;
    color: #5f6368;
    margin-bottom: 16px;
    flex-grow: 1;
}

.course-meta-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
}

.course-stats {
    display: flex;
    gap: 12px;
    align-items: center;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: #5f6368;
}

.stat-icon {
    font-size: 14px;
}

.course-price {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2px;
}

.original-price {
    font-size: 12px;
    color: #9aa0a6;
    text-decoration: line-through;
}

.current-price {
    font-size: 16px;
    font-weight: 700;
    color: #202124;
}

.current-price:contains("Free") {
    color: #34a853;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-title {
    font-size: 32px;
    font-weight: 600;
    color: #202124;
    margin-bottom: 12px;
}

.section-subtitle {
    font-size: 16px;
    color: #5f6368;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.5;
}

.section-footer {
    text-align: center;
    margin-top: 40px;
}

/* Enhanced Button Styles */
.btn-large {
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #1a73e8, #4285f4);
    color: white;
    border: none;
    box-shadow: 0 2px 8px rgba(26, 115, 232, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #1557b0, #1a73e8);
    box-shadow: 0 4px 16px rgba(26, 115, 232, 0.4);
    transform: translateY(-1px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .course-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 16px;
    }
    
    .course-content {
        padding: 16px;
    }
    
    .course-title {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .course-meta-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .course-price {
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .course-grid {
        grid-template-columns: 1fr;
    }
    
    .course-badges {
        top: 8px;
        left: 8px;
    }
    
    .badge {
        font-size: 10px;
        padding: 3px 6px;
    }
}

/* Search Form Styles */
.search-form-container {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    margin-bottom: 40px;
}

.search-form {
    display: flex;
    gap: 12px;
    max-width: 600px;
    margin: 0 auto;
}

.search-form input {
    flex: 1;
    padding: 16px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.search-form input:focus {
    outline: none;
    border-color: #1a73e8;
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
}

.search-form button {
    padding: 16px 24px;
    background: linear-gradient(135deg, #1a73e8, #4285f4);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.search-form button:hover {
    background: linear-gradient(135deg, #1557b0, #1a73e8);
    transform: translateY(-1px);
}

/* Archive page search filter styles */
.course-filters {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    margin-bottom: 40px;
    display: flex;
    gap: 20px;
    align-items: center;
    flex-wrap: wrap;
}

.search-filter {
    flex: 1;
    min-width: 300px;
}

.search-filter form {
    display: flex;
    gap: 10px;
}

.search-filter input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.search-filter input:focus {
    outline: none;
    border-color: #1a73e8;
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
}

.search-filter button {
    padding: 12px 20px;
    background: linear-gradient(135deg, #1a73e8, #4285f4);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.search-filter button:hover {
    background: linear-gradient(135deg, #1557b0, #1a73e8);
    transform: translateY(-1px);
}

.filter-options {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.filter-options select {
    padding: 10px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 14px;
    background: white;
    cursor: pointer;
    transition: border-color 0.3s ease;
}

.filter-options select:focus {
    outline: none;
    border-color: #1a73e8;
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
}

/* Responsive search forms */
@media (max-width: 768px) {
    .search-form,
    .search-filter form {
        flex-direction: column;
    }
    
    .course-filters {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-options {
        justify-content: center;
    }
    
    .search-filter {
        min-width: auto;
    }
}

@media (max-width: 768px) {
    .hero-search form,
    .skin-google-cloud .hero-search form {
        flex-direction: column;
        gap: 12px;
        padding: 0;
        box-shadow: none;
    }
    .hero-search input,
    .skin-google-cloud .hero-search input {
        width: 100%;
        border-radius: 12px;
        padding: 16px 20px;
        height: 48px;
    }
    .hero-search button,
    .skin-google-cloud .hero-search button {
        width: 100%;
        border-radius: 12px;
        padding: 16px 20px;
        height: 48px;
        position: static;
        min-width: 0;
        margin-top: 0;
    }
    .skin-google-cloud .hero-search {
        max-width: 100%;
        margin: 0 20px;
    }
}

/* Google Sign In Button Styling */
.google-signin-container {
    display: inline-block;
    margin-right: 8px;
    flex-shrink: 0; /* Prevent shrinking to maintain button appearance */
    min-width: fit-content; /* Ensure button has enough space */
    overflow: visible; /* Allow button to show properly */
}

/* Hide Google Sign In on smaller screens to save space and prevent overlapping */
@media (max-width: 1200px) {
    .google-signin-container {
        display: none; /* Hide Google Sign In on medium screens and below */
    }
}

.google-signin-container .nsl-container {
    margin: 0;
}

.google-signin-container .nsl-container .nsl-button {
    background: #4285f4 !important;
    color: white !important;
    border: none !important;
    border-radius: 8px !important;
    padding: 10px 16px !important;
    font-size: 14px !important;
    font-weight: 500 !important;
    text-decoration: none !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 8px !important;
    transition: all 0.3s ease !important;
    box-shadow: 0 2px 4px rgba(66, 133, 244, 0.2) !important;
    min-width: auto !important;
    height: auto !important;
    line-height: 1.2 !important;
}

.google-signin-container .nsl-container .nsl-button:hover {
    background: #3367d6 !important;
    transform: translateY(-1px) !important;
    box-shadow: 0 4px 8px rgba(66, 133, 244, 0.3) !important;
}

.google-signin-container .nsl-container .nsl-button:active {
    transform: translateY(0) !important;
    box-shadow: 0 2px 4px rgba(66, 133, 244, 0.2) !important;
}

.google-signin-container .nsl-container .nsl-button svg {
    width: 18px !important;
    height: 18px !important;
    margin: 0 !important;
}

.google-signin-container .nsl-container .nsl-button .nsl-button-label {
    font-family: inherit !important;
    font-size: 14px !important;
    font-weight: 500 !important;
}

/* Google Cloud Skin Specific Styling */
.skin-google-cloud .google-signin-container .nsl-container .nsl-button {
    background: var(--primary-color) !important;
    border-radius: var(--border-radius) !important;
    font-family: var(--font-family) !important;
    box-shadow: var(--shadow-1) !important;
}

.skin-google-cloud .google-signin-container .nsl-container .nsl-button:hover {
    background: var(--primary-hover) !important;
    box-shadow: var(--shadow-2) !important;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .google-signin-container {
        margin-right: 8px;
        margin-bottom: 8px;
    }
    
    .google-signin-container .nsl-container .nsl-button {
        padding: 8px 12px !important;
        font-size: 13px !important;
    }
    
    .google-signin-container .nsl-container .nsl-button svg {
        width: 16px !important;
        height: 16px !important;
    }
}

@media (max-width: 480px) {
    .header-actions {
        flex-direction: column;
        gap: 8px;
    }
    
    .google-signin-container {
        margin-right: 0;
        width: 100%;
    }
    
    .google-signin-container .nsl-container .nsl-button {
        width: 100% !important;
        justify-content: center !important;
    }
}

/* YouTube Video Embed Styling */
.video-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    background: #000;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 12px;
}

.video-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-size: 16px;
    text-align: center;
    padding: 20px;
}

.video-placeholder::before {
    content: '🎥';
    display: block;
    font-size: 48px;
    margin-bottom: 12px;
}

/* Google Cloud Skin Video Styles */
.skin-google-cloud .video-container {
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-2);
}

.skin-google-cloud .video-container iframe {
    border-radius: var(--border-radius-large);
}

.skin-google-cloud .video-placeholder {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
}

/* DeepLearning.AI Skin Video Styles */
.skin-deeplearning-ai .video-container {
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-lg);
}

.skin-deeplearning-ai .video-container iframe {
    border-radius: var(--border-radius-large);
}

.skin-deeplearning-ai .video-placeholder {
    background: linear-gradient(135deg, var(--background-dark), var(--background-navy));
}

/* Mailchimp Skin Video Styles */
.skin-mailchimp .video-container {
    border-radius: var(--border-radius-xl) !important;
    box-shadow: var(--shadow-xl) !important;
    border: 2px solid var(--primary-color) !important;
}

.skin-mailchimp .video-container iframe {
    border-radius: var(--border-radius-xl) !important;
}

.skin-mailchimp .video-placeholder {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark)) !important;
    color: var(--text-black) !important;
}

/* Video Play Overlay on Course Cards */
.video-play-overlay {
    pointer-events: none;
}

.course-card:hover .video-play-overlay {
    transform: translate(-50%, -50%) scale(1.1);
    background: rgba(255,255,255,1);
    box-shadow: 0 6px 20px rgba(0,0,0,0.4);
}

.video-indicator {
    z-index: 2;
}

/* Enhanced Course Card Hover for Google Cloud Skin */
.skin-google-cloud .course-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    border-color: var(--border-color);
}

.skin-google-cloud .course-card .course-title a:hover {
    color: var(--primary-color);
}

.skin-google-cloud .course-image-container::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0);
    transition: background 0.3s ease;
    pointer-events: none;
}

.skin-google-cloud .course-card:hover .course-image-container::after {
    background: rgba(0, 0, 0, 0.05);
}

/* Flexible Hero Sections - Compact on All Pages */
.hero-section,
.courses-hero,
.ebook-hero,
.newsletter-hero {
    min-height: auto !important;
    padding: 60px 0 !important;
}

/* Hero Box Animation */
@keyframes heroFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes patternMove {
    0% {
        background-position: 0 0, 25px 25px;
    }
    100% {
        background-position: 50px 50px, 75px 75px;
    }
}

@keyframes heroFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Hero Box Styling */
.hero-box {
    animation: heroFadeIn 0.8s ease-out, heroFloat 6s ease-in-out infinite;
    animation-delay: 0s, 1s;
    margin: 24px 0;
}

.hero-box:hover {
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15), 0 4px 12px rgba(0, 0, 0, 0.08) !important;
    transform: translateY(-4px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Hero Video Two-Column Layout Responsive */
@media (max-width: 992px) {
    .hero-section .container > div[style*="grid-template-columns"],
    .courses-hero .container > div[style*="grid-template-columns"],
    .ebook-hero .container > div[style*="grid-template-columns"],
    .newsletter-hero .container > div[style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
        gap: 32px !important;
    }
    
    .hero-content[style*="text-align: left"] {
        text-align: center !important;
    }
}

/* Responsive Hero Sections - Even More Compact on Mobile */
@media (max-width: 768px) {
    .hero-section,
    .courses-hero,
    .ebook-hero,
    .newsletter-hero {
        padding: 40px 0 !important;
    }
    
    .hero-box {
        padding: 32px 24px !important;
        border-radius: 16px !important;
        animation: heroFadeIn 0.6s ease-out !important;
    }
    
    .hero-title,
    .archive-title {
        font-size: clamp(1.8rem, 5vw, 2.2rem) !important;
        margin-bottom: 12px !important;
    }
    
    .hero-subtitle,
    .archive-description {
        font-size: clamp(0.95rem, 3vw, 1rem) !important;
        margin-bottom: 0 !important;
    }
    
    .hero-video {
        order: -1;
    }
    
    .container {
        padding: 0 20px !important;
    }
}

@media (max-width: 480px) {
    .hero-section,
    .courses-hero,
    .ebook-hero,
    .newsletter-hero {
        padding: 30px 0 !important;
    }
    
    .hero-box {
        padding: 24px 20px !important;
        border-radius: 12px !important;
    }
    
    .container {
        padding: 0 16px !important;
    }
    
    .hero-banner {
        padding: 12px 16px !important;
        font-size: 13px !important;
    }
}

/* Responsive Video Styles */
@media (max-width: 768px) {
    .video-container {
        border-radius: 8px;
    }
    
    .video-container iframe {
        border-radius: 8px;
    }
    
    .video-play-overlay {
        width: 50px;
        height: 50px;
    }
    
    .video-play-overlay svg {
        width: 20px;
        height: 20px;
    }
}

/* Course Actions Styling */
.course-actions {
    display: flex;
    gap: 8px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid #e2e8f0;
}

.course-actions .btn-small {
    padding: 8px 12px;
    font-size: 13px;
    font-weight: 500;
    border-radius: 6px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: all 0.3s ease;
    flex: 1;
    justify-content: center;
}

.course-actions .btn-small:hover {
    transform: translateY(-1px);
}

.course-actions .btn-small:active {
    transform: translateY(0);
}

.course-actions .btn-small:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Google Cloud Skin Course Actions */
.skin-google-cloud .course-actions {
    border-top-color: var(--border-light);
}

.skin-google-cloud .course-actions .btn-small {
    border-radius: var(--border-radius);
    font-family: var(--font-family);
    transition: all var(--transition-standard);
}

.skin-google-cloud .course-actions .btn-small:hover {
    box-shadow: var(--shadow-1);
}

/* Mobile Responsive Course Actions */
@media (max-width: 768px) {
    .course-actions {
        flex-direction: column;
        gap: 6px;
    }
    
    .course-actions .btn-small {
        padding: 10px 12px;
        font-size: 14px;
    }
}

/* Dashboard Course Cards */
.enrolled-course-card,
.wishlist-course-card {
    display: flex;
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.enrolled-course-card:hover,
.wishlist-course-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.course-thumbnail {
    flex-shrink: 0;
    width: 120px;
    height: 80px;
    margin-right: 20px;
    border-radius: 8px;
    overflow: hidden;
}

.course-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.course-info {
    flex: 1;
    min-width: 0;
}

.course-info h3 {
    margin: 0 0 8px;
    font-size: 18px;
    font-weight: 600;
    color: #2d3748;
}

.course-info h3 a {
    color: inherit;
    text-decoration: none;
}

.course-info h3 a:hover {
    color: #0056d2;
}

.course-instructor {
    color: #718096;
    font-size: 14px;
    margin-bottom: 12px;
}

.course-meta {
    display: flex;
    gap: 16px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.course-meta span {
    font-size: 13px;
    color: #4a5568;
    background: #f7fafc;
    padding: 4px 8px;
    border-radius: 4px;
}

.course-progress {
    margin-top: 12px;
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: #e2e8f0;
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 6px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #0056d2, #4285f4);
    border-radius: 3px;
    transition: width 0.3s ease;
}

.progress-text {
    font-size: 12px;
    color: #718096;
    font-weight: 500;
}

.dashboard-course-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-left: 20px;
    align-self: center;
}

.dashboard-course-actions .btn {
    white-space: nowrap;
    min-width: 120px;
}

/* Google Cloud Skin Dashboard Cards */
.skin-google-cloud .enrolled-course-card,
.skin-google-cloud .wishlist-course-card {
    border-color: var(--border-light);
    background: var(--background-primary);
    box-shadow: var(--shadow-1);
}

.skin-google-cloud .enrolled-course-card:hover,
.skin-google-cloud .wishlist-course-card:hover {
    box-shadow: var(--shadow-2);
    border-color: var(--border-color);
}

.skin-google-cloud .course-info h3 {
    color: var(--text-primary);
}

.skin-google-cloud .course-info h3 a:hover {
    color: var(--primary-color);
}

.skin-google-cloud .course-instructor {
    color: var(--text-secondary);
}

.skin-google-cloud .course-meta span {
    background: var(--background-secondary);
    color: var(--text-secondary);
}

.skin-google-cloud .progress-bar {
    background: var(--background-secondary);
}

.skin-google-cloud .progress-fill {
    background: var(--primary-color);
}

.skin-google-cloud .progress-text {
    color: var(--text-secondary);
}

/* Mobile Responsive Dashboard Cards */
@media (max-width: 768px) {
    .enrolled-course-card,
    .wishlist-course-card {
        flex-direction: column;
        padding: 16px;
    }
    
    .course-thumbnail {
        width: 100%;
        height: 160px;
        margin-right: 0;
        margin-bottom: 16px;
    }
    
    .dashboard-course-actions {
        margin-left: 0;
        margin-top: 16px;
        flex-direction: row;
        justify-content: center;
    }
    
    .dashboard-course-actions .btn {
        min-width: auto;
        flex: 1;
    }
    
    .course-meta {
        gap: 8px;
    }
    
    .course-meta span {
        font-size: 12px;
        padding: 3px 6px;
    }
}

/* Course Curriculum Section */
.course-curriculum-section {
    margin-top: 60px;
    padding: 40px 0;
    background: #f8fafc;
    border-radius: 12px;
}

.curriculum-header {
    text-align: center;
    margin-bottom: 40px;
}

.curriculum-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 12px;
}

.curriculum-header p {
    font-size: 1.1rem;
    color: #4a5568;
    max-width: 600px;
    margin: 0 auto;
}

.curriculum-table-container {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    margin-bottom: 30px;
}

.curriculum-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.curriculum-table thead {
    background: #f7fafc;
    border-bottom: 2px solid #e2e8f0;
}

.curriculum-table th {
    padding: 16px 12px;
    text-align: left;
    font-weight: 600;
    color: #2d3748;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.curriculum-table td {
    padding: 16px 12px;
    border-bottom: 1px solid #e2e8f0;
    vertical-align: middle;
}

.curriculum-table tbody tr:hover {
    background: #f7fafc;
    transition: background 0.2s ease;
}

/* Lesson Row Status Classes */
.lesson-row.completed {
    background: #f0fff4;
}

.lesson-row.completed:hover {
    background: #e6fffa;
}

.lesson-row.available {
    background: #f0f9ff;
}

.lesson-row.available:hover {
    background: #e0f2fe;
}

.lesson-row.trial {
    background: #fffbf0;
}

.lesson-row.trial:hover {
    background: #fef3c7;
}

.lesson-row.locked {
    background: #f7fafc;
    opacity: 0.7;
}

.lesson-row.locked:hover {
    background: #edf2f7;
}

/* Lesson Number */
.lesson-number {
    width: 60px;
    text-align: center;
    font-weight: 600;
    color: #4a5568;
}

/* Lesson Title */
.lesson-title {
    min-width: 300px;
}

.lesson-title-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.lesson-icon {
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
}

.lesson-title-text {
    font-weight: 500;
    color: #2d3748;
    flex: 1;
}

.trial-badge {
    background: #f59e0b;
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Lesson Type */
.lesson-type {
    width: 100px;
    text-align: center;
    font-weight: 500;
    color: #4a5568;
}

/* Lesson Duration */
.lesson-duration {
    width: 100px;
    text-align: center;
    color: #718096;
    font-size: 0.9rem;
}

/* Lesson Status */
.lesson-status {
    width: 140px;
    text-align: center;
}

.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    text-align: center;
}

.status-indicator.completed {
    background: #c6f6d5;
    color: #22543d;
}

.status-indicator.available {
    background: #bee3f8;
    color: #2a4365;
}

.status-indicator.trial {
    background: #fef5e7;
    color: #c05621;
}

.status-indicator.locked {
    background: #e2e8f0;
    color: #4a5568;
}

/* Lesson Action */
.lesson-action {
    width: 120px;
    text-align: center;
}

.lesson-action .btn {
    min-width: 80px;
    font-size: 0.85rem;
    padding: 6px 12px;
}

/* Curriculum Enrollment CTA */
.curriculum-enrollment-cta {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    color: white;
    margin-top: 30px;
}

.curriculum-enrollment-cta h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.curriculum-enrollment-cta p {
    font-size: 1.1rem;
    margin-bottom: 24px;
    opacity: 0.9;
}

.curriculum-enrollment-cta .btn {
    background: white;
    color: #667eea;
    border: none;
    font-weight: 600;
    padding: 14px 28px;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.curriculum-enrollment-cta .btn:hover {
    background: #f7fafc;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .curriculum-table {
        font-size: 0.9rem;
    }
    
    .curriculum-table th,
    .curriculum-table td {
        padding: 12px 8px;
    }
    
    .lesson-title {
        min-width: 250px;
    }
    
    .lesson-type,
    .lesson-duration {
        width: 80px;
    }
    
    .lesson-status {
        width: 120px;
    }
    
    .lesson-action {
        width: 100px;
    }
}

@media (max-width: 768px) {
    .course-curriculum-section {
        margin-top: 40px;
        padding: 30px 0;
    }
    
    .curriculum-header h2 {
        font-size: 2rem;
    }
    
    .curriculum-table-container {
        overflow-x: auto;
    }
    
    .curriculum-table {
        min-width: 700px;
        font-size: 0.85rem;
    }
    
    .curriculum-table th,
    .curriculum-table td {
        padding: 10px 6px;
    }
    
    .lesson-title-content {
        gap: 8px;
    }
    
    .lesson-icon {
        font-size: 1rem;
        width: 20px;
    }
    
    .trial-badge {
        font-size: 0.65rem;
        padding: 1px 6px;
    }
    
    .status-indicator {
        font-size: 0.8rem;
        padding: 3px 8px;
    }
    
    .lesson-action .btn {
        min-width: 70px;
        font-size: 0.8rem;
        padding: 5px 10px;
    }
    
    .curriculum-enrollment-cta {
        padding: 30px 20px;
    }
    
    .curriculum-enrollment-cta h3 {
        font-size: 1.5rem;
    }
    
    .curriculum-enrollment-cta p {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .curriculum-header h2 {
        font-size: 1.8rem;
    }
    
    .curriculum-header p {
        font-size: 1rem;
    }
    
    .curriculum-table {
        min-width: 600px;
        font-size: 0.8rem;
    }
    
    .lesson-title {
        min-width: 200px;
    }
    
    .lesson-type,
    .lesson-duration {
        width: 70px;
    }
    
    .lesson-status {
        width: 100px;
    }
    
    .lesson-action {
        width: 80px;
    }
    
    .curriculum-enrollment-cta {
        padding: 25px 15px;
    }
    
    .curriculum-enrollment-cta h3 {
        font-size: 1.3rem;
    }
    
    .curriculum-enrollment-cta .btn {
        padding: 12px 24px;
        font-size: 1rem;
    }
}

/* Curriculum Tab Styles */
.curriculum-description {
    font-size: 1.1rem;
    color: #4a5568;
    margin-bottom: 30px;
    text-align: center;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

#curriculum-tab .curriculum-table-container {
    margin-bottom: 30px;
}

#curriculum-tab .curriculum-table {
    font-size: 0.9rem;
}

#curriculum-tab .curriculum-table th,
#curriculum-tab .curriculum-table td {
    padding: 12px 8px;
}

#curriculum-tab .lesson-title {
    min-width: 250px;
}

#curriculum-tab .lesson-type,
#curriculum-tab .lesson-duration {
    width: 80px;
}

#curriculum-tab .lesson-status {
    width: 120px;
}

#curriculum-tab .lesson-action {
    width: 100px;
}

#curriculum-tab .lesson-action .btn {
    min-width: 70px;
    font-size: 0.8rem;
    padding: 5px 10px;
}

/* Responsive adjustments for curriculum tab */
@media (max-width: 768px) {
    #curriculum-tab .curriculum-table-container {
        overflow-x: auto;
    }
    
    #curriculum-tab .curriculum-table {
        min-width: 700px;
        font-size: 0.85rem;
    }
    
    #curriculum-tab .curriculum-table th,
    #curriculum-tab .curriculum-table td {
        padding: 10px 6px;
    }
    
    #curriculum-tab .lesson-title {
        min-width: 200px;
    }
    
    #curriculum-tab .lesson-type,
    #curriculum-tab .lesson-duration {
        width: 70px;
    }
    
    #curriculum-tab .lesson-status {
        width: 100px;
    }
    
    #curriculum-tab .lesson-action {
        width: 80px;
    }
    
    #curriculum-tab .curriculum-enrollment-cta {
        padding: 25px 15px;
    }
    
    #curriculum-tab .curriculum-enrollment-cta h3 {
        font-size: 1.3rem;
    }
    
    #curriculum-tab .curriculum-enrollment-cta .btn {
        padding: 12px 24px;
        font-size: 1rem;
    }
}

/* WordPress Admin Bar - White Text Color */
#wpadminbar,
#wpadminbar * {
    color: #ffffff !important;
}

#wpadminbar a,
#wpadminbar a:hover,
#wpadminbar a:focus,
#wpadminbar .ab-item,
#wpadminbar .ab-item:hover,
#wpadminbar .ab-item:focus {
    color: #ffffff !important;
}

#wpadminbar .ab-icon,
#wpadminbar .ab-icon:before,
#wpadminbar .ab-item:before {
    color: #ffffff !important;
}