:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #a855f7;
    --accent: #06b6d4;
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    --dark: #0f172a;
    --dark-2: #1e293b;
    --dark-3: #334155;
    --gray: #64748b;
    --gray-light: #94a3b8;
    --gray-lighter: #cbd5e1;
    --light: #e2e8f0;
    --lighter: #f1f5f9;
    --white: #ffffff;
    --bg: #0f172a;
    --bg-2: #1e293b;
    --card-bg: rgba(30, 41, 59, 0.8);
    --border: rgba(148, 163, 184, 0.1);
    --text: #e2e8f0;
    --text-muted: #94a3b8;
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.3), 0 2px 4px -2px rgba(0,0,0,0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.4), 0 4px 6px -4px rgba(0,0,0,0.3);
    --radius: 12px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary); }

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

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

.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }

.btn {
    display: inline-block;
    padding: 12px 28px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    border: none;
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}
.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99,102,241,0.4);
    color: var(--white);
}
.btn-lg { padding: 14px 36px; font-size: 1.05rem; }
.btn-block { display: block; width: 100%; }
.btn-sm { padding: 6px 14px; font-size: 0.85rem; border-radius: 8px; }
.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary-light);
}
.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
}
.btn-hero {
    padding: 14px 32px;
    font-size: 1.05rem;
    border-radius: var(--radius);
}
.btn-outline-hero {
    background: transparent;
    border: 2px solid rgba(255,255,255,0.3);
    color: var(--white);
    padding: 14px 32px;
    font-size: 1.05rem;
    border-radius: var(--radius);
}
.btn-outline-hero:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.5);
    color: var(--white);
}

/* Header */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 15px 0;
    transition: var(--transition);
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}
.site-header.scrolled {
    padding: 10px 0;
    background: rgba(15, 23, 42, 0.95);
    box-shadow: var(--shadow-lg);
}
.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 8px;
}
.logo:hover { color: var(--white); }
.logo i { color: var(--primary); font-size: 1.8rem; }
.main-nav { display: flex; gap: 8px; }
.main-nav a {
    padding: 8px 18px;
    color: var(--gray-light);
    border-radius: 8px;
    font-weight: 500;
    transition: var(--transition);
}
.main-nav a:hover, .main-nav a.active {
    color: var(--white);
    background: rgba(99,102,241,0.15);
}
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
}
.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 1001;
}
.lang-switch {
    padding: 8px 14px;
    color: var(--gray-light);
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.85rem;
    transition: var(--transition);
    border: 1px solid var(--border);
    white-space: nowrap;
}
.lang-switch:hover {
    color: var(--white);
    background: rgba(99,102,241,0.15);
    border-color: var(--primary);
}

/* Hero */
.hero, .hero-slider {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 20px 80px;
    position: relative;
    background: linear-gradient(135deg, rgba(99,102,241,0.15), rgba(168,85,247,0.1)), var(--bg);
}
.hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--white), var(--gray-lighter));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero p {
    font-size: clamp(1rem, 2vw, 1.3rem);
    color: var(--gray-light);
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Slider */
.hero-slider { padding: 0; min-height: 80vh; overflow: hidden; }
.slide {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 0.8s ease;
    pointer-events: none;
}
.slide.active { opacity: 1; pointer-events: all; }
.slide-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15,23,42,0.85), rgba(99,102,241,0.3));
}
.slide-content {
    position: relative;
    z-index: 2;
    padding: 40px 20px;
}
.slide-content h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
}
.slide-content p {
    font-size: 1.2rem;
    color: var(--gray-light);
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}
.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}
.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.5);
    background: transparent;
    cursor: pointer;
    transition: var(--transition);
}
.dot.active, .dot:hover {
    background: var(--primary);
    border-color: var(--primary);
}

/* Hero Modern */
.hero-modern {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 100px 20px 60px;
    position: relative;
    background: linear-gradient(135deg, rgba(99,102,241,0.15), rgba(168,85,247,0.1)), var(--bg);
}
.hero-modern-content {
    max-width: 700px;
}
.hero-modern h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    margin-bottom: 30px;
    background: linear-gradient(135deg, var(--white), var(--gray-lighter));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Section Header */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 16px;
}
.section-header .section-title {
    text-align: left;
    margin-bottom: 0;
}

/* Products Hero Section */
.products-hero-section {
    padding-top: 40px;
}
.products-grid-large {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}
.products-grid-large .product-card {
    height: 100%;
}
.products-grid-large .product-image {
    height: 180px;
}
.products-grid-large .product-info {
    display: flex;
    flex-direction: column;
}
.products-grid-large .product-info p {
    flex: 1;
}

/* Categories Section */
.categories-section {
    background: rgba(99,102,241,0.03);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
}
.category-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 30px 20px;
    text-align: center;
    transition: var(--transition);
    color: var(--text);
    text-decoration: none;
}
.category-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(99,102,241,0.15);
    color: var(--text);
}
.category-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(99,102,241,0.2), rgba(168,85,247,0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 1.6rem;
    color: var(--primary-light);
}
.category-card h3 {
    font-size: 1.1rem;
    margin-bottom: 6px;
    color: var(--white);
}
.category-card span {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Latest Section */
.latest-section {
    padding-bottom: 100px;
}

/* Sections */
.section { padding: 80px 0; }
.section-title {
    font-size: 2rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 10px;
    color: var(--white);
}
.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 40px;
    font-size: 1.05rem;
}

/* Page Hero */
.page-hero {
    padding: 140px 20px 60px;
    text-align: center;
    background: linear-gradient(135deg, rgba(99,102,241,0.15), rgba(168,85,247,0.08));
    border-bottom: 1px solid var(--border);
}
.page-hero h1 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 10px;
}
.page-hero p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* Product Hero */
.product-hero {
    background-size: cover;
    background-position: center;
    position: relative;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15,23,42,0.9), rgba(99,102,241,0.3));
}

/* Categories Grid */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}
.category-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 30px 20px;
    text-align: center;
    transition: var(--transition);
    color: var(--text);
}
.category-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(99,102,241,0.15);
    color: var(--text);
}
.category-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(99,102,241,0.2), rgba(168,85,247,0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 1.5rem;
    color: var(--primary-light);
}
.category-card h3 { font-size: 1.1rem; margin-bottom: 5px; color: var(--white); }
.category-card span { color: var(--text-muted); font-size: 0.9rem; }

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}
.product-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}
.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}
.product-image {
    display: block;
    position: relative;
    height: 200px;
    overflow: hidden;
}
.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.product-card:hover .product-image img {
    transform: scale(1.05);
}
.no-image {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--dark-3), var(--dark-2));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--gray);
}
.featured-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: linear-gradient(135deg, var(--warning), #f97316);
    color: var(--white);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}
.product-info { padding: 20px; }
.product-category {
    font-size: 0.85rem;
    color: var(--primary-light);
    margin-bottom: 8px;
}
.product-info h3 {
    font-size: 1.15rem;
    margin-bottom: 8px;
}
.product-info h3 a { color: var(--white); }
.product-info h3 a:hover { color: var(--primary-light); }
.product-info p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 12px;
    line-height: 1.5;
}
.product-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 0.85rem;
    color: var(--text-muted);
}
.product-meta i { margin-right: 4px; }
.version {
    background: rgba(99,102,241,0.15);
    color: var(--primary-light);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
}
.product-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* Filter Bar */
.filter-bar { margin-bottom: 30px; }
.search-form {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    max-width: 500px;
}
.search-input-wrapper {
    position: relative;
    flex: 1;
}
.search-input-wrapper i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray);
}
.search-input-wrapper input {
    width: 100%;
    padding: 10px 14px 10px 40px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition);
}
.search-input-wrapper input:focus {
    border-color: var(--primary);
}
.category-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.filter-tag {
    padding: 6px 16px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 20px;
    color: var(--text-muted);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
}
.filter-tag:hover, .filter-tag.active {
    background: rgba(99,102,241,0.15);
    border-color: var(--primary);
    color: var(--primary-light);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-muted);
}
.empty-state i { font-size: 3rem; margin-bottom: 15px; color: var(--gray); }
.empty-state h3 { color: var(--white); margin-bottom: 10px; }
.empty-state p { margin-bottom: 20px; }

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
}
.page-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-muted);
    transition: var(--transition);
}
.page-link:hover, .page-link.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}

/* Product Detail */
.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 30px;
    align-items: start;
}
.product-section {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 30px;
    margin-bottom: 24px;
}
.product-section h2 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--white);
}
.product-section h2 i { color: var(--primary-light); margin-right: 8px; }
.product-main-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 24px;
    border: 1px solid var(--border);
}
.product-main-image img { width: 100%; display: block; }
.product-description { color: var(--gray-light); line-height: 1.8; }
.features-list { list-style: none; }
.features-list li {
    padding: 8px 0;
    color: var(--gray-light);
    display: flex;
    align-items: center;
    gap: 10px;
}
.features-list li i { color: var(--success); }
.breadcrumb {
    font-size: 0.9rem;
    margin-bottom: 20px;
    color: var(--gray-light);
}
.breadcrumb a { color: var(--gray-light); }
.breadcrumb a:hover { color: var(--primary-light); }
.product-hero-content { position: relative; z-index: 2; }
.product-hero-meta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    margin-top: 15px;
    color: var(--gray-light);
}
.price-tag {
    background: linear-gradient(135deg, var(--success), #16a34a);
    color: var(--white);
    padding: 4px 14px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
}
/* Sidebar */
.sidebar-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 20px;
}
.sidebar-card h3 {
    font-size: 1.1rem;
    margin-bottom: 16px;
    color: var(--white);
}
.sidebar-actions { display: flex; flex-direction: column; gap: 10px; }
.info-list { list-style: none; }
.info-list li {
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    color: var(--gray-light);
    font-size: 0.95rem;
}
.info-list li:last-child { border: none; }
.info-list li strong { color: var(--gray-lighter); }

/* Screenshots */
.screenshots-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 16px;
}
.screenshots-gallery .screenshot-item {
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: var(--transition);
}
.screenshots-gallery .screenshot-item:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}
.screenshots-gallery .screenshot-item img { width: 100%; display: block; }

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.9);
    z-index: 9999;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}
.lightbox.active { display: flex; }
.lightbox img {
    max-width: 90%;
    max-height: 90vh;
    border-radius: var(--radius);
}
.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: var(--white);
    font-size: 2.5rem;
    cursor: pointer;
}

/* About */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}
.about-text p {
    color: var(--gray-light);
    font-size: 1.1rem;
    line-height: 1.8;
}
.about-features { display: flex; flex-direction: column; gap: 24px; }
.feature-item {
    display: flex;
    gap: 16px;
    align-items: start;
}
.feature-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(99,102,241,0.2), rgba(168,85,247,0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-light);
    font-size: 1.2rem;
    flex-shrink: 0;
}
.feature-item h3 { color: var(--white); margin-bottom: 4px; }
.feature-item p { color: var(--text-muted); font-size: 0.9rem; }

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 40px;
}
.contact-info h2 { color: var(--white); margin-bottom: 15px; }
.contact-info > p { color: var(--gray-light); margin-bottom: 30px; line-height: 1.7; }
.contact-items { display: flex; flex-direction: column; gap: 20px; }
.contact-item { display: flex; gap: 16px; align-items: start; }
.contact-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(99,102,241,0.2), rgba(168,85,247,0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-light);
    font-size: 1.2rem;
    flex-shrink: 0;
}
.contact-item h4 { color: var(--white); margin-bottom: 4px; }
.contact-item p { color: var(--gray-light); font-size: 0.95rem; }
.social-links { display: flex; gap: 12px; }
.social-links a {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-light);
    font-size: 1.2rem;
    transition: var(--transition);
}
.social-links a:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}
.contact-form-wrapper {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 30px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
    display: block;
    margin-bottom: 6px;
    color: var(--gray-lighter);
    font-size: 0.9rem;
    font-weight: 500;
}
.form-group label i { margin-right: 6px; color: var(--primary-light); }
.form-group input, .form-group textarea, .form-group select {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 0.95rem;
    font-family: inherit;
    outline: none;
    transition: var(--transition);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
}
.form-group textarea { resize: vertical; }
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.alert {
    padding: 14px 18px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: 0.95rem;
}
.alert-success {
    background: rgba(34,197,94,0.12);
    border: 1px solid rgba(34,197,94,0.25);
    color: #86efac;
}
.alert-error {
    background: rgba(239,68,68,0.12);
    border: 1px solid rgba(239,68,68,0.25);
    color: #fca5a5;
}
.alert i { margin-right: 8px; }

/* Footer */
.site-footer {
    background: var(--dark-2);
    border-top: 1px solid var(--border);
    padding: 60px 0 30px;
    margin-top: 60px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}
.footer-col h3 {
    color: var(--white);
    margin-bottom: 16px;
    font-size: 1.1rem;
}
.footer-col p { color: var(--gray-light); line-height: 1.7; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { color: var(--gray-light); font-size: 0.95rem; }
.footer-col ul a:hover { color: var(--primary-light); }
.footer-col ul a i { margin-right: 8px; width: 20px; }
.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 20px;
    text-align: center;
    color: var(--gray);
    font-size: 0.9rem;
}

/* Related */
.related-products { margin-top: 60px; }

/* Responsive */
@media (max-width: 992px) {
    .product-detail-grid { grid-template-columns: 1fr; }
    .sidebar-card { order: -1; }
    .about-grid { grid-template-columns: 1fr; gap: 30px; }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .main-nav {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(15,23,42,0.98);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 16px;
        z-index: 999;
    }
    .main-nav.active { display: flex; }
    .main-nav a { font-size: 1.2rem; padding: 12px 24px; }
    .mobile-toggle { display: block; z-index: 1000; }
    .hero { min-height: 70vh; padding: 100px 20px 60px; }
    .hero-slider { min-height: 60vh; }
    .products-grid { grid-template-columns: 1fr; }
    .categories-grid { grid-template-columns: repeat(2, 1fr); }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .slide-content h1 { font-size: 1.8rem; }
    .product-hero-meta { flex-direction: column; gap: 8px; }
    .screenshots-gallery { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .categories-grid { grid-template-columns: 1fr; }
    .search-form { flex-direction: column; }
    .product-meta { flex-wrap: wrap; }
}