/* ===========================
   CSS RESET & BASE STYLES
   =========================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Light Theme Colors */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gold-accent: #d4af37;
    --gold-light: #f4e397;
    
    /* Neutral Colors */
    --neutral-50: #f9fafb;
    --neutral-100: #f3f4f6;
    --neutral-200: #e5e7eb;
    --neutral-300: #d1d5db;
    --neutral-400: #9ca3af;
    --neutral-500: #6b7280;
    --neutral-600: #4b5563;
    --neutral-700: #374151;
    --neutral-800: #1f2937;
    --neutral-900: #111827;
    
    /* Card backgrounds */
    --card-bg: #ffffff;
    --card-border: var(--neutral-200);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Playfair Display', serif;
    
    /* Spacing */
    --section-padding: 8rem;
    --container-max-width: 1440px;
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    --border-radius-xl: 32px;
    
    /* Animations */
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s ease;
    --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Effects */
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-xl: 0 35px 60px -12px rgba(0, 0, 0, 0.3);
}

/* Dark Theme Variables */
[data-theme="dark"] {
    --neutral-50: #0a0b1e;
    --neutral-100: #161830;
    --neutral-200: #1e2142;
    --neutral-300: #2a2f54;
    --neutral-400: #4a5568;
    --neutral-500: #718096;
    --neutral-600: #94a3b8;
    --neutral-700: #cbd5e0;
    --neutral-800: #e2e8f0;
    --neutral-900: #f7fafc;
    
    /* Dark mode card backgrounds */
    --card-bg: var(--neutral-200);
    --card-border: var(--neutral-300);
    
    --glass-bg: rgba(0, 0, 0, 0.3);
    --glass-border: rgba(255, 255, 255, 0.1);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    font-weight: 400;
    line-height: 1.8;
    color: var(--neutral-800);
    background-color: var(--neutral-50);
    overflow-x: hidden;
    transition: var(--transition-smooth);
}

/* Focus styles for accessibility */
*:focus-visible {
    outline: 2px solid var(--gold-accent);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10001;
    opacity: 1;
    transition: opacity 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-animation {
    text-align: center;
    color: white;
}

.loading-dots {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-bottom: 1rem;
}

.loading-dots span {
    width: 12px;
    height: 12px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    animation: loadingDots 1.4s ease-in-out infinite both;
}

.loading-dots span:nth-child(1) { animation-delay: -0.32s; }
.loading-dots span:nth-child(2) { animation-delay: -0.16s; }

@keyframes loadingDots {
    0%, 80%, 100% { transform: scale(0.8); opacity: 0.5; }
    40% { transform: scale(1.2); opacity: 1; }
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
    transition: var(--transition-smooth);
    padding: 0 2rem;
}

[data-theme="dark"] nav {
    background: rgba(10, 11, 30, 0.85);
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo {
    height: 50px;
    width: auto;
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
    transition: var(--transition-smooth);
}

.logo:hover {
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--neutral-700);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 0.5rem 0;
    transition: var(--transition-smooth);
}

.nav-link:hover {
    color: var(--gold-accent);
    transform: translateY(-2px);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold-accent);
    transition: var(--transition-smooth);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.theme-toggle {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    color: var(--neutral-600);
}

.theme-toggle:hover {
    background: var(--gold-accent);
    color: white;
    transform: scale(1.1);
}

.menu-button {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.menu-button span {
    width: 25px;
    height: 3px;
    background: var(--neutral-700);
    transition: var(--transition-smooth);
    border-radius: 2px;
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: 0;
    right: -100%;
    height: 100vh;
    width: min(320px, 80vw);
    background: var(--card-bg);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    box-shadow: var(--shadow-xl);
    z-index: 1001;
    transition: var(--transition-smooth);
    padding: 2rem 0;
}

.sidebar.active {
    right: 0;
}

.sidebar-header {
    padding: 0 2rem 2rem;
    border-bottom: 1px solid var(--card-border);
}

.sidebar-close {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    color: var(--neutral-600);
    margin-left: auto;
}

.sidebar-links {
    list-style: none;
    padding: 2rem 0;
}

.sidebar-link {
    display: block;
    padding: 1rem 2rem;
    text-decoration: none;
    color: var(--neutral-700);
    font-weight: 500;
    transition: var(--transition-smooth);
    border-left: 3px solid transparent;
}

.sidebar-link:hover {
    background: var(--glass-bg);
    border-left-color: var(--gold-accent);
    color: var(--gold-accent);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 2rem 0;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-gradient);
    z-index: -1;
}

.hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-3d-container {
    position: absolute;
    top: 50%;
    right: 10%;
    transform: translateY(-50%);
    z-index: 2;
    pointer-events: none;
}

.hero-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 2rem;
    z-index: 5;
    position: relative;
    width: 100%;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    min-height: calc(100vh - 200px);
}

.hero-text-section {
    color: white;
    z-index: 6;
}

.hero-greeting {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.greeting-text {
    font-size: 1.1rem;
    font-weight: 500;
    background: linear-gradient(135deg, var(--gold-light), var(--gold-accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.greeting-sparkle {
    font-size: 1.2rem;
    animation: sparkle 2s ease-in-out infinite;
}

@keyframes sparkle {
    0%, 100% { transform: scale(1) rotate(0deg); opacity: 0.8; }
    50% { transform: scale(1.2) rotate(180deg); opacity: 1; }
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(4rem, 10vw, 8rem);
    font-weight: 900;
    margin-bottom: 2rem;
    letter-spacing: -0.03em;
    line-height: 0.9;
    position: relative;
}

.word-1 {
    background: linear-gradient(135deg, var(--gold-accent) 0%, var(--gold-light) 50%, #ffffff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.word-2 {
    color: white;
    display: inline-block;
}

.hero-subtitle {
    font-size: clamp(1.4rem, 3vw, 2.2rem);
    font-weight: 400;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.hero-tagline {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 600;
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.hero-para {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    opacity: 0.9;
    margin-bottom: 3rem;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.cta-button {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.2rem 2.5rem;
    border-radius: var(--border-radius-xl);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition-bounce);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 2px solid;
    cursor: pointer;
}

.glassmorphism {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.cta-button.primary {
    color: white;
    border-color: rgba(255, 255, 255, 0.4);
}

.cta-button.secondary {
    color: white;
    background: rgba(212, 175, 55, 0.2);
    border-color: rgba(212, 175, 55, 0.6);
}

.cta-button:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.hero-visual-section {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 6;
}

.hero-image-container {
    position: relative;
    width: 100%;
    max-width: 500px;
    background: var(--secondary-gradient);
    border-radius: var(--border-radius-xl);
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

.hero-image-placeholder {
    font-size: 4rem;
    color: white;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(5deg); }
    66% { transform: translateY(-10px) rotate(-5deg); }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    cursor: pointer;
    z-index: 6;
    color: rgba(255, 255, 255, 0.8);
}

.scroll-arrow {
    width: 50px;
    height: 50px;
    border: 2px solid rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.8);
    margin: 0 auto 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* Stats Bar - Fixed positioning issues */
.stats-bar {
    position: relative;
    z-index: 999;
    margin: 2rem auto;
    padding: 1.5rem 0;
    border-radius: var(--border-radius-xl);
    max-width: calc(var(--container-max-width) - 4rem);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.stats-container {
    display: flex;
    align-items: center;
    justify-content: space-around;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 0.9rem;
    font-weight: 500;
    opacity: 0.8;
    text-transform: uppercase;
    color: var(--neutral-800);
}

.stat-divider {
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, transparent, var(--gold-accent), transparent);
    opacity: 0.6;
}

/* Section Styles */
.section-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    color: var(--neutral-900);
    margin-bottom: 1rem;
    position: relative;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--neutral-600);
    max-width: 600px;
    margin: 0 auto;
}

/* Course Categories */
.course-category {
    padding: 8rem 0;
    background: var(--neutral-100);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 2rem;
}

.category-card {
    padding: 3rem 2rem;
    border-radius: var(--border-radius-xl);
    text-align: center;
    transition: var(--transition-bounce);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-sm);
}

.category-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.category-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    border-radius: 50%;
    color: white;
    font-size: 2.5rem;
}

.category-card h3 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--neutral-900);
    margin-bottom: 1rem;
}

.category-card p {
    color: var(--neutral-600);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.category-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--gold-accent);
    color: white;
    padding: 0.8rem 2rem;
    border-radius: var(--border-radius-xl);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition-bounce);
}

.category-link:hover {
    background: #c4941f;
    transform: translateY(-2px);
}

/* Learning Bites */
.learning-bites {
    padding: 8rem 0;
    background: var(--neutral-50);
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.video-card {
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    transition: var(--transition-bounce);
    background: var(--card-bg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--card-border);
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.video-wrapper {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.video-wrapper iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.video-info {
    padding: 2rem;
}

.video-info h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--neutral-900);
}

.video-info p {
    color: var(--neutral-600);
    margin-bottom: 1rem;
}

.video-meta {
    display: flex;
    gap: 1.5rem;
    font-size: 0.9rem;
    color: var(--neutral-500);
}

/* Teachers Section */
.teachers {
    padding: 8rem 0;
    background: var(--neutral-100);
}

.teachers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.teacher-card {
    padding: 2.5rem 2rem 2rem;
    border-radius: var(--border-radius-xl);
    text-align: center;
    background: var(--card-bg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--card-border);
    transition: var(--transition-smooth);
}

.teacher-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.teacher-image {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto 1.5rem;
    overflow: hidden;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
}

.teacher-info h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--neutral-900);
}

.teacher-subject {
    color: var(--gold-accent);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.teacher-quote {
    color: var(--neutral-600);
    font-style: italic;
    font-size: 0.95rem;
}

/* Founder Section */
.founder {
    padding: 8rem 0;
    background: var(--neutral-50);
}

.founder-content {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 3rem;
    align-items: center;
    padding: 4rem;
    border-radius: var(--border-radius-xl);
    background: var(--card-bg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--card-border);
}

.founder-image {
    position: relative;
}

.founder-image-placeholder {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 4rem;
    border: 6px solid var(--card-bg);
    box-shadow: var(--shadow-lg);
}

.founder-badge {
    position: absolute;
    bottom: 10px;
    right: 10px;
    width: 50px;
    height: 50px;
    background: var(--gold-accent);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    border: 3px solid var(--card-bg);
}

.founder-info h3 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--neutral-900);
}

.founder-titles {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.title-tag {
    background: var(--gold-accent);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: var(--border-radius-md);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.social-media {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius-lg);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-bounce);
    border: 2px solid;
}

.social-link.youtube {
    color: #ff0000;
    border-color: #ff0000;
    background: rgba(255, 0, 0, 0.1);
}

.social-link.facebook {
    color: #1877f2;
    border-color: #1877f2;
    background: rgba(24, 119, 242, 0.1);
}

.social-link.community {
    color: var(--gold-accent);
    border-color: var(--gold-accent);
    background: rgba(212, 175, 55, 0.1);
}

.social-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Testimonials Section */
.testimonials {
    padding: 8rem 0;
    background: var(--neutral-100);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--card-border);
    transition: var(--transition-smooth);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.testimonial-content {
    margin-bottom: 1.5rem;
}

.stars {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1rem;
    color: var(--gold-accent);
}

.testimonial-content blockquote {
    font-style: italic;
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--neutral-700);
    margin: 0;
    position: relative;
}

.testimonial-content blockquote::before {
    content: '"';
    font-size: 3rem;
    color: var(--gold-accent);
    position: absolute;
    left: -0.5rem;
    top: -0.5rem;
    font-family: var(--font-heading);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-image {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--secondary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.author-info h4 {
    font-weight: 600;
    color: var(--neutral-900);
    margin-bottom: 0.25rem;
}

.author-info p {
    color: var(--neutral-600);
    font-size: 0.9rem;
}

/* Newsletter Section */
.newsletter-section {
    padding: 4rem 0;
    background: var(--primary-gradient);
    color: white;
    text-align: center;
}

.newsletter-form {
    display: flex;
    gap: 1rem;
    max-width: 500px;
    margin: 2rem auto 0;
    position: relative;
}

.newsletter-input {
    flex: 1;
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius-xl);
    border: 2px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: white;
    font-size: 1rem;
}

.newsletter-input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.newsletter-input:focus {
    border-color: var(--gold-accent);
    outline: none;
}

.newsletter-btn {
    padding: 1rem 2rem;
    background: var(--gold-accent);
    color: white;
    border: none;
    border-radius: var(--border-radius-xl);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.newsletter-btn:hover {
    background: #c4941f;
    transform: translateY(-2px);
}

.newsletter-message {
    margin-top: 1rem;
    font-size: 0.9rem;
    opacity: 0.9;
}

.newsletter-message.success {
    color: #4ade80;
}

.newsletter-message.error {
    color: #f87171;
}

/* Footer */
footer {
    background: var(--neutral-900);
    color: var(--neutral-300);
    padding: 4rem 0 2rem;
}

[data-theme="dark"] footer {
    background: var(--neutral-800);
}

.footer-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand h3 {
    color: white;
    font-family: var(--font-heading);
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.footer-brand p {
    color: var(--neutral-400);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-section h4 {
    color: white;
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: var(--neutral-400);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.footer-section ul li a:hover {
    color: var(--gold-accent);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--neutral-800);
    color: var(--neutral-500);
}

/* Reveal Animation */
.reveal-animation {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-animation.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Video and Quiz Modals */
.video-modal, .quiz-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
}

.video-modal.active, .quiz-modal.active {
    opacity: 1;
    visibility: visible;
}

.video-modal-content, .quiz-modal-content {
    position: relative;
    width: 90%;
    max-width: 900px;
    background: var(--card-bg);
    border-radius: var(--border-radius-xl);
    padding: 2rem;
}

.video-modal-close, .quiz-modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.1);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--neutral-600);
}

.video-modal-close:hover, .quiz-modal-close:hover {
    background: rgba(0, 0, 0, 0.2);
}

/* Responsive Design */
@media (max-width: 1200px) {
    :root {
        --section-padding: 6rem;
    }
}

@media (max-width: 768px) {
    .hideOnMobile {
        display: none;
    }
    
    .menu-button {
        display: flex;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-image-container {
        max-width: 300px;
        height: 300px;
    }
    
    .category-grid {
        grid-template-columns: 1fr;
    }
    
    .video-grid {
        grid-template-columns: 1fr;
    }
    
    .teachers-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .founder-content {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 2rem;
    }
    
    .founder-image {
        margin: 0 auto;
    }
    
    .founder-image-placeholder {
        width: 200px;
        height: 200px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .stats-container {
        flex-wrap: wrap;
        gap: 1rem;
    }
    
    .stat-divider {
        display: none;
    }
    
    :root {
        --section-padding: 4rem;
    }
}