/* ============================================
   AI Tech Academy - Premium EdTech Website
   Modern, Responsive, Dark/Light Theme
   ============================================ */

/* CSS Variables - Design Tokens */
:root {
    /* Primary Colors */
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --primary-300: #93c5fd;
    --primary-400: #60a5fa;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-800: #1e40af;
    --primary-900: #1e3a8a;
    
    /* Secondary Colors (Purple) */
    --secondary-50: #faf5ff;
    --secondary-100: #f3e8ff;
    --secondary-200: #e9d5ff;
    --secondary-300: #d8b4fe;
    --secondary-400: #c084fc;
    --secondary-500: #a855f7;
    --secondary-600: #9333ea;
    --secondary-700: #7c3aed;
    --secondary-800: #6b21a8;
    --secondary-900: #581c87;
    
    /* Accent Gradient */
    --gradient-primary: linear-gradient(135deg, var(--primary-600) 0%, var(--secondary-600) 100%);
    --gradient-hover: linear-gradient(135deg, var(--primary-700) 0%, var(--secondary-700) 100%);
    --gradient-text: linear-gradient(135deg, var(--primary-500) 0%, var(--secondary-500) 100%);
    
    /* Light Theme */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-card: #ffffff;
    --bg-elevated: #ffffff;
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-tertiary: #64748b;
    --text-muted: #94a3b8;
    
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-glow: 0 0 40px -10px var(--primary-500);
    
    /* Typography */
    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-popover: 600;
    --z-tooltip: 700;
}

/* Dark Theme */
[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-card: #1e293b;
    --bg-elevated: #334155;
    
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-tertiary: #94a3b8;
    --text-muted: #64748b;
    
    --border-color: #334155;
    --border-light: #1e293b;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.4);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.4);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.5), 0 8px 10px -6px rgb(0 0 0 / 0.5);
}

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

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-base), color var(--transition-base);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Container */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
}

.btn-primary:hover {
    background: var(--gradient-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--border-color);
}

.btn-outline:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-500);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

/* Gradient Text */
.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: rgba(var(--bg-primary), 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(var(--bg-primary), 0.95);
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.5rem;
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

.logo-text {
    color: var(--text-primary);
}

.logo-accent {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-link {
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: var(--space-2) 0;
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.theme-toggle {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-500);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-fast);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(80px + var(--space-16)) 0 var(--space-16);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--primary-500);
    top: -200px;
    right: -100px;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: var(--secondary-500);
    bottom: -100px;
    left: -100px;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: var(--primary-300);
    top: 50%;
    left: 30%;
}

.grid-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(var(--border-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--border-color) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.3;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary-600);
    margin-bottom: var(--space-6);
}

.hero-badge i {
    color: var(--secondary-500);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-6);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: var(--space-8);
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.stat-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-600);
    font-size: 1.25rem;
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.stat-suffix {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image-container {
    position: relative;
    width: 100%;
    max-width: 500px;
}

.hero-glow {
    position: absolute;
    inset: -50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.3;
    z-index: -1;
}

.hero-illustration {
    position: relative;
    background: var(--bg-card);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-color);
}

.code-window {
    background: #1e1e2e;
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--space-4);
}

.window-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: #2d2d3d;
    border-bottom: 1px solid #3d3d4d;
}

.window-dots {
    display: flex;
    gap: 6px;
}

.window-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.window-dots span:nth-child(1) { background: #ff5f56; }
.window-dots span:nth-child(2) { background: #ffbd2e; }
.window-dots span:nth-child(3) { background: #27c93f; }

.window-title {
    font-size: 0.875rem;
    color: #a0a0b0;
    font-family: monospace;
}

.window-content {
    padding: var(--space-4);
    font-family: 'Fira Code', monospace;
    font-size: 0.875rem;
}

.code-line {
    display: flex;
    gap: var(--space-4);
    padding: 2px 0;
}

.line-num {
    color: #6c6c7d;
    min-width: 24px;
    text-align: right;
}

.code-keyword { color: #ff79c6; }
.code-variable { color: #f8f8f2; }
.code-function { color: #50fa7b; }
.code-string { color: #f1fa8c; }
.code-number { color: #bd93f9; }
.code-comment { color: #6272a4; }

.code-line.active {
    background: rgba(189, 147, 249, 0.1);
    margin: 0 calc(-1 * var(--space-4));
    padding-left: var(--space-4);
    padding-right: var(--space-4);
}

.ai-brain {
    position: absolute;
    bottom: -30px;
    right: -30px;
    width: 120px;
    height: 120px;
}

.brain-core {
    position: absolute;
    inset: 30px;
    background: var(--gradient-primary);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.brain-ring {
    position: absolute;
    border: 2px solid var(--primary-500);
    border-radius: 50%;
    opacity: 0.5;
}

.ring-1 { inset: 20px; animation: rotate 10s linear infinite; }
.ring-2 { inset: 10px; animation: rotate 15s linear infinite reverse; }
.ring-3 { inset: 0; animation: rotate 20s linear infinite; }

.neural-nodes {
    position: absolute;
    inset: 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    padding: 10px;
}

.neural-nodes span {
    width: 8px;
    height: 8px;
    background: var(--secondary-400);
    border-radius: 50%;
    animation: blink 1.5s ease-in-out infinite;
}

.neural-nodes span:nth-child(2n) { animation-delay: 0.2s; }
.neural-nodes span:nth-child(3n) { animation-delay: 0.4s; }

.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    font-size: 0.875rem;
    font-weight: 500;
    animation: float 3s ease-in-out infinite;
}

.floating-card i {
    color: var(--primary-600);
}

.card-1 {
    top: -20px;
    left: -20px;
    animation-delay: 0s;
}

.card-2 {
    top: 50%;
    right: -30px;
    animation-delay: 0.5s;
}

.card-3 {
    bottom: 20px;
    left: -30px;
    animation-delay: 1s;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    color: var(--text-muted);
    font-size: 0.875rem;
}

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--text-muted);
    border-radius: var(--radius-full);
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--text-muted);
    border-radius: var(--radius-full);
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s ease-in-out infinite;
}

/* Section Styles */
section {
    padding: var(--space-24) 0;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-16);
}

.section-tag {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-600);
    margin-bottom: var(--space-4);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--space-4);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* Stats Section */
.stats-section {
    background: var(--bg-secondary);
    padding: var(--space-16) 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.stat-card {
    text-align: center;
    padding: var(--space-8);
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stat-card-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-4);
    color: white;
    font-size: 1.5rem;
}

.stat-card-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.stat-card-label {
    font-size: 1rem;
    color: var(--text-secondary);
}

/* Courses Section */
.courses-section {
    background: var(--bg-primary);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-6);
}

.course-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    padding: var(--space-6);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.course-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.course-card:hover::before {
    transform: scaleX(1);
}

.course-card.featured {
    border-color: var(--primary-500);
    box-shadow: var(--shadow-glow);
}

.course-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-4);
}

.course-icon {
    width: 56px;
    height: 56px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-600);
}

.course-badge {
    padding: var(--space-1) var(--space-3);
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.course-badge.hot {
    background: var(--gradient-primary);
    color: white;
}

.course-title {
    font-size: 1.25rem;
    margin-bottom: var(--space-2);
}

.course-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: var(--space-4);
}

.course-topics {
    margin-bottom: var(--space-4);
}

.course-topics li {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.course-topics li i {
    color: var(--primary-500);
    font-size: 0.8rem;
}

.course-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--primary-600);
    font-weight: 600;
    font-size: 0.95rem;
}

.course-link:hover {
    gap: var(--space-3);
}

/* Pricing Section */
.pricing-section {
    background: var(--bg-secondary);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
    max-width: 900px;
    margin: 0 auto var(--space-12);
}

.pricing-card {
    background: var(--bg-card);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--border-color);
    padding: var(--space-8);
    position: relative;
    transition: all var(--transition-base);
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.pricing-card.popular {
    border-color: var(--primary-500);
    box-shadow: var(--shadow-glow);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-1) var(--space-4);
    background: var(--gradient-primary);
    color: white;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--space-6);
}

.pricing-name {
    font-size: 1.5rem;
    margin-bottom: var(--space-4);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--space-1);
}

.pricing-price .currency {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.pricing-price .amount {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
}

.pricing-price .period {
    font-size: 1rem;
    color: var(--text-tertiary);
}

.savings-badge {
    display: inline-block;
    margin-top: var(--space-3);
    padding: var(--space-1) var(--space-3);
    background: var(--secondary-100);
    color: var(--secondary-700);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
}

.pricing-features {
    margin-bottom: var(--space-6);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--border-light);
}

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

.feature-item i {
    color: var(--primary-500);
    font-size: 1rem;
}

/* Payment Methods */
.payment-methods {
    text-align: center;
}

.payment-title {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
}

.payment-icons {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.payment-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-4);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    min-width: 80px;
    transition: all var(--transition-fast);
}

.payment-icon:hover {
    border-color: var(--primary-500);
    transform: translateY(-2px);
}

.payment-icon i {
    font-size: 1.5rem;
    color: var(--primary-600);
}

.payment-icon span {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

/* Live Classes Section */
.live-classes-section {
    background: var(--bg-primary);
}

.live-classes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-6);
    margin-bottom: var(--space-12);
}

.live-class-card {
    text-align: center;
    padding: var(--space-8);
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.live-class-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-500);
}

.live-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-4);
    color: white;
    font-size: 2rem;
}

.live-class-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-2);
}

.live-class-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Schedule Preview */
.schedule-preview {
    background: var(--bg-card);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--border-color);
    padding: var(--space-8);
}

.schedule-preview h3 {
    margin-bottom: var(--space-6);
    font-size: 1.5rem;
}

.schedule-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.schedule-item {
    display: grid;
    grid-template-columns: 100px 1fr auto;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.schedule-item:hover {
    background: var(--bg-tertiary);
}

.schedule-time {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--primary-600);
}

.schedule-info h4 {
    font-size: 1rem;
    margin-bottom: var(--space-1);
}

.schedule-info p {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

.schedule-status {
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.schedule-status.live {
    background: #dcfce7;
    color: #166534;
    animation: pulse 2s ease-in-out infinite;
}

.schedule-status.upcoming {
    background: var(--bg-tertiary);
    color: var(--text-tertiary);
}

/* E-Books Section */
.ebooks-section {
    background: var(--bg-secondary);
}

.ebooks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-6);
}

.ebook-card {
    text-align: center;
    padding: var(--space-6);
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.ebook-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.ebook-cover {
    width: 100px;
    height: 120px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-4);
    color: white;
    font-size: 2.5rem;
    box-shadow: var(--shadow-md);
}

.ebook-card h3 {
    font-size: 1.1rem;
    margin-bottom: var(--space-2);
}

.ebook-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Certification Section */
.certification-section {
    background: var(--bg-primary);
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-6);
    margin-bottom: var(--space-12);
}

.cert-card {
    text-align: center;
    padding: var(--space-6);
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.cert-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-500);
}

.cert-icon {
    width: 64px;
    height: 64px;
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-4);
    color: var(--primary-600);
    font-size: 1.5rem;
}

.cert-card h3 {
    font-size: 1.1rem;
    margin-bottom: var(--space-2);
}

.cert-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Certificate Preview */
.cert-preview {
    display: flex;
    justify-content: center;
}

.cert-sample {
    width: 100%;
    max-width: 600px;
    aspect-ratio: 1.4;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: var(--radius-xl);
    border: 8px solid var(--primary-500);
    padding: var(--space-8);
    display: flex;
    flex-direction: column;
    position: relative;
    box-shadow: var(--shadow-xl);
}

.cert-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}

.cert-logo {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

.cert-org {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--primary-700);
}

.cert-body {
    flex: 1;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.cert-body h4 {
    font-size: 1.5rem;
    color: var(--primary-700);
    margin-bottom: var(--space-4);
}

.cert-recipient {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

.cert-name {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: var(--space-2) 0;
}

.cert-course {
    color: var(--text-secondary);
    font-size: 1rem;
}

.cert-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-600);
    margin-top: var(--space-2);
}

.cert-footer {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-top: var(--space-6);
}

.cert-signature {
    text-align: center;
}

.sign-line {
    width: 100px;
    height: 2px;
    background: var(--text-primary);
    margin-bottom: var(--space-2);
}

.cert-signature span {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

.cert-date {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

.cert-seal {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    position: absolute;
    bottom: var(--space-6);
    right: var(--space-6);
    transform: rotate(-15deg);
}

/* Placement Section */
.placement-section {
    background: var(--bg-secondary);
}

.placement-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
}

.placement-card {
    text-align: center;
    padding: var(--space-8);
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.placement-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-500);
}

.placement-icon {
    width: 72px;
    height: 72px;
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-4);
    color: var(--primary-600);
    font-size: 1.75rem;
}

.placement-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-2);
}

.placement-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Foreign Jobs Section */
.foreign-jobs-section {
    background: var(--bg-primary);
}

.countries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-6);
}

.country-card {
    text-align: center;
    padding: var(--space-8);
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.country-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-500);
}

.country-flag {
    font-size: 3rem;
    margin-bottom: var(--space-4);
}

.country-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-2);
}

.country-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--space-4);
}

.country-salary {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-600);
}

/* Dashboard Section */
.dashboard-section {
    background: var(--bg-secondary);
}

.dashboard-preview {
    background: var(--bg-card);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--border-color);
    overflow: hidden;
    display: grid;
    grid-template-columns: 280px 1fr;
    box-shadow: var(--shadow-xl);
}

.dashboard-sidebar {
    background: var(--bg-tertiary);
    padding: var(--space-6);
    border-right: 1px solid var(--border-color);
}

.dash-user {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--space-6);
}

.dash-avatar {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

.dash-info h4 {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    font-weight: 400;
}

.dash-info p {
    font-size: 1rem;
    font-weight: 600;
}

.dash-nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.dash-nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.dash-nav-item:hover,
.dash-nav-item.active {
    background: var(--bg-card);
    color: var(--primary-600);
}

.dash-nav-item i {
    width: 20px;
}

.dashboard-main {
    padding: var(--space-8);
}

.dash-stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

.dash-stat {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-6);
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
}

.dash-stat-icon {
    width: 56px;
    height: 56px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-600);
    font-size: 1.5rem;
}

.dash-stat-info {
    display: flex;
    flex-direction: column;
}

.dash-stat-value {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.dash-stat-label {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

.dash-progress h4 {
    margin-bottom: var(--space-6);
    font-size: 1.25rem;
}

.progress-item {
    margin-bottom: var(--space-4);
}

.progress-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-2);
    font-size: 0.95rem;
}

.progress-header span:first-child {
    color: var(--text-secondary);
}

.progress-header span:last-child {
    font-weight: 600;
    color: var(--primary-600);
}

.progress-bar {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: width 1s ease;
}

/* Features Section */
.features-section {
    background: var(--bg-primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
}

.feature-card {
    text-align: center;
    padding: var(--space-8);
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-500);
}

.feature-icon {
    width: 72px;
    height: 72px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-4);
    color: white;
    font-size: 1.75rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-2);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Testimonials Section */
.testimonials-section {
    background: var(--bg-secondary);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-6);
}

.testimonial-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    padding: var(--space-8);
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.testimonial-rating {
    display: flex;
    gap: var(--space-1);
    margin-bottom: var(--space-4);
}

.testimonial-rating i {
    color: #fbbf24;
    font-size: 1rem;
}

.testimonial-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    font-size: 1.25rem;
}

.author-info h4 {
    font-size: 1rem;
    margin-bottom: var(--space-1);
}

.author-info p {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

/* About Section */
.about-section {
    background: var(--bg-primary);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.about-content p {
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
    font-size: 1.05rem;
    line-height: 1.8;
}

.about-stats {
    display: flex;
    gap: var(--space-8);
    margin-top: var(--space-8);
}

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

.stat-num {
    display: block;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-600);
}

.about-stat .stat-label {
    font-size: 0.9rem;
    color: var(--text-tertiary);
}

.about-visual {
    position: relative;
}

.about-image {
    position: relative;
    background: var(--bg-card);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--border-color);
    padding: var(--space-8);
    min-height: 400px;
}

.about-glow {
    position: absolute;
    inset: -20px;
    background: var(--gradient-primary);
    border-radius: var(--radius-2xl);
    filter: blur(60px);
    opacity: 0.2;
    z-index: -1;
}

.mission-cards {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.mission-card {
    padding: var(--space-6);
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
}

.mission-card i {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    margin-bottom: var(--space-4);
}

.mission-card h4 {
    font-size: 1.25rem;
    margin-bottom: var(--space-2);
}

.mission-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Contact Section */
.contact-section {
    background: var(--bg-secondary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-12);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.contact-card {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-6);
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

.contact-card:hover {
    border-color: var(--primary-500);
    transform: translateX(4px);
}

.contact-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

.contact-card h3 {
    font-size: 1.1rem;
    margin-bottom: var(--space-1);
}

.contact-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.contact-form-wrapper {
    background: var(--bg-card);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--border-color);
    padding: var(--space-8);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-group label {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--space-3) var(--space-4);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.5rem;
    margin-bottom: var(--space-4);
}

.footer-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.footer-social {
    display: flex;
    gap: var(--space-3);
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--primary-500);
    color: white;
    transform: translateY(-2px);
}

.footer-links h4 {
    font-size: 1.1rem;
    margin-bottom: var(--space-4);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary-600);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-8);
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

.footer-made i {
    color: #ef4444;
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-full);
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: var(--z-fixed);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* Animations */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.05); }
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

@keyframes scroll {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(8px); }
}

/* Reveal Animations */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-left {
    transform: translateX(-30px);
}

.reveal-right {
    transform: translateX(30px);
}

.reveal-up.visible,
.reveal-left.visible,
.reveal-right.visible {
    opacity: 1;
    transform: translate(0);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-visual {
        display: none;
    }
    
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .dashboard-preview {
        grid-template-columns: 1fr;
    }
    
    .dashboard-sidebar {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu,
    .nav-actions .btn {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .dash-stats-row {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .schedule-item {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn-lg {
        width: 100%;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .back-to-top,
    .scroll-indicator {
        display: none;
    }
    
    section {
        padding: var(--space-8) 0;
    }
}