/* Reset и базовые стили */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Цветовая палитра - High-Tech Cyber Theme */
    --primary-color: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --primary-glow: rgba(99, 102, 241, 0.5);
    
    --secondary-color: #06b6d4;
    --secondary-light: #22d3ee;
    --secondary-dark: #0891b2;
    
    --accent-color: #f43f5e;
    --accent-glow: rgba(244, 63, 94, 0.5);
    
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    
    /* Нейтральные цвета - Premium Dark Theme */
    --white: #ffffff;
    --black: #000000;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --gray-950: #030712;
    
    /* Градиенты */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #d946ef 100%);
    --gradient-secondary: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    --gradient-accent: linear-gradient(135deg, #f43f5e 0%, #fb923c 100%);
    --gradient-dark: linear-gradient(135deg, #1f2937 0%, #111827 100%);
    --gradient-cyber: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.18);
    --glass-bg-light: rgba(255, 255, 255, 0.95);
    --glass-bg-dark: rgba(15, 23, 42, 0.8);
    
    /* Типографика */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    
    /* Отступы */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 5rem;
    
    /* Тени - Premium 3D Effects */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.15), 0 2px 4px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.2), 0 4px 6px -2px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.25), 0 10px 10px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
    --shadow-glow: 0 0 20px var(--primary-glow), 0 0 40px var(--primary-glow);
    --shadow-glow-accent: 0 0 20px var(--accent-glow), 0 0 40px var(--accent-glow);
    
    /* Скругления */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-3xl: 2rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--gradient-cyber);
    background-attachment: fixed;
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(244, 63, 94, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

body > * {
    position: relative;
    z-index: 1;
}

/* Контейнер */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Кнопки - Modern 3D Glassmorphism */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-xl);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    letter-spacing: 0.3px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.btn-primary:active {
    transform: translateY(-1px) scale(0.98);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.9);
    color: var(--gray-900);
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
    font-weight: 600;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 1);
    color: var(--gray-900);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
    backdrop-filter: blur(10px);
    font-weight: 600;
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border-color: var(--white);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 32px rgba(255, 255, 255, 0.2);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-2xl);
    font-size: var(--font-size-lg);
    border-radius: var(--radius-2xl);
}

.btn-small {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
}

/* Header - Glassmorphism Navigation */
.header {
    background: var(--glass-bg-dark);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg) 0;
}

.logo h1 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
    position: relative;
    display: inline-block;
}

.logo h1::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-primary);
    opacity: 0.5;
}

.logo span {
    font-size: var(--font-size-sm);
    color: var(--gray-400);
    display: block;
    margin-top: var(--spacing-xs);
    font-weight: 500;
}

.nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav a {
    color: var(--gray-300);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-base);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-xl);
    position: relative;
    backdrop-filter: blur(10px);
}

.nav a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 80%;
    height: 2px;
    background: var(--gradient-primary);
    transition: transform var(--transition-base);
}

.nav a:hover {
    color: var(--white);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    transform: translateY(-2px);
}

.nav a:hover::before {
    transform: translateX(-50%) scaleX(1);
}

.nav a.active {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-glow);
}

.nav a.active:hover {
    transform: translateY(-2px) scale(1.05);
}

/* Hero Section - Advanced Gradient Animation */
.hero {
    background: url('../images/fon-1.jpg') center center/cover no-repeat;
    color: var(--white);
    padding: var(--spacing-4xl) 0;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1;
}

/* Убрано - анимация больше не нужна */

.hero-content {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    opacity: 0.9;
    margin-bottom: var(--spacing-2xl);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

/* Убрано - hero-visual больше не нужен */

/* Убрано - catalog-preview больше не нужен */

/* Убрано - catalog-cover и связанные стили больше не нужны */

/* Зеркальное отражение */
.hero-mirror {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 3;
}

.mirror-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        45deg,
        transparent 0%,
        rgba(255, 255, 255, 0.1) 25%,
        transparent 50%,
        rgba(255, 255, 255, 0.1) 75%,
        transparent 100%
    );
    animation: mirrorReflection 8s ease-in-out infinite;
}

@keyframes mirrorReflection {
    0% {
        transform: translateX(-100%) skewX(-15deg);
        opacity: 0;
    }
    20% {
        opacity: 1;
    }
    80% {
        opacity: 1;
    }
    100% {
        transform: translateX(100%) skewX(-15deg);
        opacity: 0;
    }
}

/* Убрано - floating-card элементы больше не нужны */

/* Убрано - анимация floatGlow больше не нужна */

/* Benefits Section - 3D Card Grid */
.benefits {
    padding: var(--spacing-4xl) 0;
    background: transparent;
    position: relative;
}

.section-title {
    text-align: center;
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-3xl);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    column-gap: var(--spacing-2xl);
    row-gap: var(--spacing-sm);
    perspective: 1000px;
}

.benefit-card {
    background: var(--glass-bg-light);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    padding: var(--spacing-md) var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    text-align: center;
    box-shadow: var(--shadow-xl);
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-slow);
    transform: rotate(45deg);
}

.benefit-card:hover {
    transform: translateY(-10px) rotateX(5deg);
    box-shadow: var(--shadow-2xl), var(--shadow-glow);
}

.benefit-card:hover::before {
    opacity: 0.1;
}

.benefit-icon {
    font-size: var(--font-size-5xl);
    margin-bottom: var(--spacing-sm);
    filter: drop-shadow(0 4px 8px rgba(99, 102, 241, 0.3));
    transition: transform var(--transition-bounce);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    margin-left: auto;
    margin-right: auto;
}

.benefit-icon img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    transition: transform var(--transition-bounce);
}

.benefit-card:hover .benefit-icon img {
    transform: scale(1.2) rotateY(360deg);
}

.benefit-card:hover .benefit-icon {
    transform: none;
}

.benefit-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.benefit-card p {
    color: var(--gray-700);
    line-height: 1.7;
    font-weight: 400;
}

/* Catalogs Preview - Modern Card Design */
.catalogs-preview {
    padding: var(--spacing-4xl) 0;
    background: transparent;
}

.catalogs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
}

.catalog-card {
    background: var(--glass-bg-light);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    transition: all var(--transition-slow);
    position: relative;
    transform-style: preserve-3d;
}

.catalog-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-slow);
    z-index: 0;
}

.catalog-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-2xl), var(--shadow-glow);
}

.catalog-card:hover::before {
    opacity: 0.05;
}

.catalog-image {
    position: relative;
    height: 240px;
    background: var(--gradient-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.catalog-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.4) 100%);
}

.catalog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.catalog-card:hover .catalog-image img {
    transform: scale(1.1) rotate(2deg);
}

.catalog-overlay {
    position: absolute;
    top: var(--spacing-lg);
    left: var(--spacing-lg);
    z-index: 2;
}

.catalog-category {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    box-shadow: var(--shadow-lg);
    letter-spacing: 0.5px;
}

.catalog-info {
    padding: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

.catalog-info h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.catalog-info p {
    color: var(--gray-700);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.catalogs-cta {
    text-align: center;
}

/* About Section - Premium Design */
.about {
    padding: var(--spacing-4xl) 0;
    background: transparent;
    position: relative;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.about-text h2 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xl);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-text p {
    color: var(--gray-300);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
    font-size: var(--font-size-lg);
}

.about-stats {
    display: flex;
    gap: var(--spacing-3xl);
    margin-top: var(--spacing-3xl);
}

.stat {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.stat:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.stat-number {
    display: block;
    font-size: var(--font-size-4xl);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--gray-400);
    font-weight: 600;
    margin-top: var(--spacing-xs);
}

.design-showcase {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.showcase-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    padding: var(--spacing-xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.showcase-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0.1;
    transition: left var(--transition-slow);
}

.showcase-item:hover::before {
    left: 100%;
}

.showcase-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.showcase-icon {
    font-size: var(--font-size-3xl);
    filter: drop-shadow(0 4px 8px rgba(99, 102, 241, 0.5));
    display: flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    flex-shrink: 0;
}

.showcase-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.showcase-text {
    font-weight: 600;
    color: var(--white);
    font-size: var(--font-size-lg);
}

/* Footer - Premium Dark Design */
.footer {
    background: var(--gradient-dark);
    color: var(--white);
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
    position: relative;
    border-top: 1px solid var(--glass-border);
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-primary);
    opacity: 0.5;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: var(--spacing-lg);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-section h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
}

.footer-section h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.footer-section p {
    color: var(--gray-400);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.footer-section a {
    color: var(--gray-400);
    text-decoration: none;
    display: block;
    margin-bottom: var(--spacing-sm);
    transition: all var(--transition-base);
    padding: var(--spacing-xs) 0;
    position: relative;
}

.footer-section a::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

.footer-section a:hover {
    color: var(--white);
    padding-left: var(--spacing-sm);
}

.footer-section a:hover::before {
    width: 40px;
}

.footer-bottom {
    border-top: 1px solid var(--glass-border);
    padding-top: var(--spacing-xl);
    text-align: center;
    color: var(--gray-500);
}

.footer-bottom p {
    position: relative;
}

.footer-bottom p::before,
.footer-bottom p::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 80px;
    height: 1px;
    background: var(--gradient-primary);
    opacity: 0.3;
}

.footer-bottom p::before {
    right: calc(100% + 20px);
}

.footer-bottom p::after {
    left: calc(100% + 20px);
}

/* Адаптивность */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .nav {
        display: none;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        justify-content: center;
    }
    
    .catalogs-grid {
        grid-template-columns: 1fr;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .about-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
}

/* Mobile Menu Styles */
.mobile-menu-toggle {
    display: none;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    color: var(--white);
    font-size: var(--font-size-xl);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.mobile-menu-toggle:hover {
    background: var(--glass-border);
    transform: scale(1.05);
    box-shadow: var(--shadow-glow);
}

.mobile-menu-toggle.active {
    background: var(--gradient-primary);
    box-shadow: var(--shadow-glow);
}

/* Scroll Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

/* Utility Animation Classes */
.animate-fade-in {
    animation: fadeIn 0.8s ease-out;
}

.animate-fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

.animate-slide-in-left {
    animation: slideInLeft 0.8s ease-out;
}

.animate-slide-in-right {
    animation: slideInRight 0.8s ease-out;
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
        position: absolute;
        top: var(--spacing-lg);
        right: var(--spacing-lg);
    }
    
    .header-content {
        position: relative;
        padding-top: var(--spacing-xl);
    }
    
    .nav {
        display: none;
        flex-direction: column;
        width: 100%;
        gap: var(--spacing-sm);
        padding: var(--spacing-lg) 0;
        border-top: 1px solid var(--gray-200);
        margin-top: var(--spacing-lg);
    }
    
    .nav.active {
        display: flex;
    }
    
    .nav a {
        padding: var(--spacing-md) var(--spacing-lg);
        border-radius: var(--radius-lg);
        transition: all 0.2s ease;
    }
    
    .nav a:hover {
        background: var(--gray-100);
    }
    
    .nav a.active {
        background: var(--primary-color);
        color: var(--white);
    }
}