/* ========================================
   Элит-М — Стили (2025 Design Trends)
   Минимализм • Контраст • Функциональность
   ======================================== */

/* === Переменные (3 цвета + оттенки) === */
:root {
    /* Primary: Deep Blue */
    --color-primary: #1E40AF;
    --color-primary-dark: #172554;
    --color-primary-light: #93C5FD;
    
    /* Neutral: Gray Scale */
    --color-neutral: #334155;
    --color-neutral-light: #F1F5F9;
    --color-neutral-dark: #020617;
    --color-border: #CBD5E1;
    
    /* Accent: Emerald */
    --color-accent: #059669;
    --color-accent-light: #6EE7B7;
    
    /* Backgrounds */
    --bg-body: #FFFFFF;
    --bg-card: #FFFFFF;
    --bg-hover: #F8FAFC;
    
    /* Text */
    --text-primary: #0F172A;
    --text-secondary: #64748B;
    --text-inverse: #FFFFFF;
    
    /* Effects */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --transition: all 0.2s ease;
}

/* Dark Theme */
.dark {
    --bg-body: #020617;
    --bg-card: #1E293B;
    --bg-hover: #334155;
    --text-primary: #F1F5F9;
    --text-secondary: #94A3B8;
    --color-border: #475569;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
}

/* === Base Reset === */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background 0.3s, color 0.3s;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

h1 { font-size: 2.5rem; }
h2 { font-size: 1.75rem; margin-bottom: 1rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; font-weight: 600; }

p { 
    color: var(--text-secondary);
    line-height: 1.6;
}

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

a:hover { 
    color: var(--color-primary-dark); 
}

/* === Icons (Lucide) === */
i[data-lucide] {
    width: 20px;
    height: 20px;
    stroke-width: 2;
    stroke: currentColor;
    fill: none;
}

.icon-btn i {
    width: 20px;
    height: 20px;
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--text-inverse);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* === Layout (100% Width) === */
.header-content,
.main,
.footer-content {
    width: 100%;
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
}

/* === Header === */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    z-index: 100;
    transition: var(--transition);
}

.dark .header {
    background: rgba(2, 6, 23, 0.95);
}

.header-content {
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.logo-icon i {
    width: 24px;
    height: 24px;
    color: white;
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav a {
    color: var(--text-primary);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

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

.nav a:hover::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.icon-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    transition: var(--transition);
    position: relative;
}

.icon-btn:hover {
    background: var(--bg-hover);
    color: var(--color-primary);
}

.icon-btn:active {
    transform: scale(0.95);
}

.cart-btn {
    position: relative;
}

.cart-count {
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--color-accent);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.moon-icon { display: none; }
.dark .sun-icon { display: none; }
.dark .moon-icon { display: block; }

.mobile-menu-btn { display: none; }

/* === Main Content === */
.main {
    margin-top: 0;
    padding: 0;
    width: 100%;
}

/* === Hero Section (Glassmorphism Fullscreen) === */
.hero {
    position: relative;
    width: 100%;
    min-height: 100vh;
    height: 100vh;
    max-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    margin: 0;
    overflow: hidden;
}

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

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    filter: blur(8px) brightness(0.85);
    transform: scale(1.1);
    transition: transform 0.5s ease;
}

.hero:hover .hero-image {
    transform: scale(1.12);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(2, 6, 23, 0.75) 0%,
        rgba(30, 64, 175, 0.5) 50%,
        rgba(2, 6, 23, 0.65) 100%
    );
    z-index: 2;
}

.hero-glass {
    position: relative;
    z-index: 3;
    width: 100%;
    padding: 2rem;
    display: flex;
    justify-content: center;
}

.hero-content {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 24px;
    padding: 3rem 2.5rem;
    max-width: 700px;
    width: 100%;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dark .hero-content {
    background: rgba(30, 41, 59, 0.4);
    border-color: rgba(148, 163, 184, 0.2);
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    color: white;
    margin-bottom: 1rem;
    line-height: 1.1;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 2rem;
    line-height: 1.6;
    max-width: 550px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
    border-radius: 12px;
}

.btn-outline {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.6);
    color: white;
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: white;
    transform: translateY(-2px);
}

.hero-badges {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
    font-weight: 500;
}

.badge i {
    width: 20px;
    height: 20px;
    color: var(--color-accent-light);
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    transition: var(--transition);
    z-index: 3;
    animation: bounce 2s infinite;
}

.hero-scroll:hover {
    border-color: white;
    background: rgba(255, 255, 255, 0.1);
}

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

/* === Catalog Section === */
.catalog {
    width: 100%;
    padding: 4rem 2rem;
}

.layout {
    width: 100%;
    max-width: 1920px;
    margin: 0 auto;
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}

/* === Sidebar Filters === */
.sidebar {
    width: 280px;
    flex-shrink: 0;
}

.filters {
    background: var(--bg-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 1.5rem;
    position: sticky;
    top: 100px;
}

.filters-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.filter-section {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.filter-section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.filter-label {
    font-weight: 600;
    margin-bottom: 0.75rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.filter-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
    cursor: pointer;
}

.filter-option input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
    cursor: pointer;
    border-radius: 4px;
}

.filter-option span {
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: color 0.2s;
}

.filter-option:hover span {
    color: var(--color-primary);
}

.fabric-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.fabric-chip {
    padding: 0.4rem 0.875rem;
    border: 2px solid var(--color-border);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-secondary);
    background: var(--bg-card);
}

.fabric-chip:hover,
.fabric-chip.active {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: white;
}

.price-inputs {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    align-items: stretch;
}

.price-inputs input {
    width: 100%;
    padding: 0.625rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: border-color 0.2s, box-shadow 0.2s;
    -moz-appearance: textfield;
}

.price-inputs input::-webkit-outer-spin-button,
.price-inputs input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.price-inputs input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.price-inputs input::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

/* Label for each input (optional, if you want to add them) */
.price-input-wrapper {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.price-input-wrapper label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* === Products Section === */
.products-section { 
    flex: 1; 
    min-width: 0;
}

.products-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.products-count { 
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.products-count span { 
    font-weight: 600; 
    color: var(--text-primary); 
}

.sort-select {
    padding: 0.5rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: var(--bg-card);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 0.875rem;
    transition: border-color 0.2s;
}

.sort-select:focus {
    outline: none;
    border-color: var(--color-primary);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

/* === Product Card === */
.product-card {
    background: var(--bg-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

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

.product-image {
    aspect-ratio: 1;
    background: var(--bg-hover);
    position: relative;
    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);
}

.product-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--color-primary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    z-index: 1;
}

.product-badge.sale {
    background: var(--color-accent);
    left: auto;
    right: 12px;
}

.quick-view-btn {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--bg-card);
    color: var(--text-primary);
    padding: 0.5rem 1.25rem;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.875rem;
    opacity: 0;
    transition: var(--transition);
    border: 1px solid var(--color-border);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    z-index: 1;
}

.product-card:hover .quick-view-btn {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.quick-view-btn:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.product-info { 
    padding: 1.25rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-category {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.product-fabrics {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 0.75rem;
}

.fabric-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid var(--bg-card);
    box-shadow: 0 0 0 1px var(--color-border);
    flex-shrink: 0;
}

.fabric-flock { background: #FFB6C1; }
.fabric-microfiber { background: #98FB98; }
.fabric-gobelin { background: #DDA0DD; }
.fabric-chenille { background: #FFDAB9; }
.fabric-jacquard { background: #87CEEB; }
.fabric-velour { background: #FFA07A; }
.fabric-nubuck { background: #D2B48C; }

.product-name {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    line-height: 1.3;
}

.product-description {
    font-size: 0.875rem;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    color: var(--text-secondary);
    flex: 1;
}

.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
}

.product-price { 
    display: flex; 
    flex-direction: column; 
    gap: 0.25rem;
}

.old-price {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-decoration: line-through;
}

.current-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-accent);
}

.add-to-cart {
    width: 44px;
    height: 44px;
    border: 2px solid var(--color-border);
    background: var(--bg-card);
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    color: var(--text-primary);
    flex-shrink: 0;
}

.add-to-cart:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
    transform: scale(1.05);
}

.add-to-cart:active {
    transform: scale(0.95);
}

/* === Pagination === */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.pagination-btn {
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-border);
    background: var(--bg-card);
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.9rem;
}

.pagination-btn:hover:not(:disabled) {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--bg-hover);
}

.pagination-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* === Info Section === */
.info-section {
    width: 100%;
    max-width: 1920px;
    margin: 4rem auto;
    padding: 2.5rem;
    background: var(--bg-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
}

.info-text {
    margin-bottom: 2rem;
    line-height: 1.7;
    font-size: 1rem;
}

/* Quality Badge */
.quality-badge {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    padding: 1.5rem 2rem;
    border-radius: 16px;
    margin: 2rem 0;
    box-shadow: var(--shadow-lg);
}

.quality-icon {
    width: 64px;
    height: 64px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.quality-icon i {
    width: 32px;
    height: 32px;
    color: white;
}

.quality-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
    color: white;
}

.quality-content p {
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    font-size: 0.95rem;
}

/* Fabric Categories */
.fabric-categories {
    margin: 2.5rem 0;
}

.section-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.category-card {
    background: var(--bg-card);
    border: 2px solid var(--color-border);
    border-radius: 16px;
    padding: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--color-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

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

.category-card.featured {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.category-card.featured::before {
    transform: scaleX(1);
}

.category-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.category-icon i {
    width: 28px;
    height: 28px;
    color: white;
}

.category-card h4 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.category-card p {
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
}

.category-price {
    display: block;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-primary);
}

.category-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--color-accent);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Fabrics Detailed */
.fabrics-detailed {
    margin: 2rem 0;
}

.btn-toggle-details {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 1rem;
    background: var(--bg-hover);
    border: 2px solid var(--color-border);
    border-radius: 12px;
    font-weight: 600;
    color: var(--color-primary);
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
}

.btn-toggle-details:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
    color: white;
}

.btn-toggle-details.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.btn-toggle-details i {
    transition: transform 0.3s ease;
}

.btn-toggle-details.active i {
    transform: rotate(180deg);
}

.fabrics-details-content {
    display: none;
    margin-top: 1.5rem;
    animation: fadeIn 0.3s ease;
}

.fabrics-details-content.show {
    display: block;
}

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

/* Fabric Cards */
.fabrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
}

.fabric-card {
    background: var(--bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 1.5rem;
    transition: var(--transition);
}

.fabric-card:hover {
    border-color: var(--color-primary-light);
    box-shadow: var(--shadow-md);
}

.fabric-name {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--color-primary);
}

.fabric-description {
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.fabric-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.feature-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.75rem;
    background: var(--bg-hover);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.feature-tag i {
    width: 14px;
    height: 14px;
    color: var(--color-accent);
}

/* Highlight Block */
.highlight {
    background: var(--bg-hover);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--color-border);
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-top: 2rem;
}

.highlight i {
    color: var(--color-primary);
    flex-shrink: 0;
    margin-top: 4px;
}

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

/* === Footer === */
.footer {
    width: 100%;
    background: var(--color-neutral-dark);
    color: var(--text-inverse);
    margin-top: 4rem;
}

.footer-content {
    width: 100%;
    padding: 3rem 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-logo .logo-icon {
    background: var(--color-primary);
}

.footer-desc {
    color: #94A3B8;
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.footer-social {
    display: flex;
    gap: 0.75rem;
}

.social-link {
    width: 36px;
    height: 36px;
    border: 1px solid #475569;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-inverse);
    transition: var(--transition);
}

.social-link:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.footer-column h4 {
    color: var(--text-inverse);
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: #94A3B8;
    font-size: 0.875rem;
    transition: var(--transition);
}

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

.footer-contacts {
    list-style: none;
}

.footer-contacts li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: #94A3B8;
    font-size: 0.875rem;
}

.footer-contacts i {
    color: var(--color-primary-light);
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-contacts a {
    color: #94A3B8;
    transition: var(--transition);
}

.footer-contacts a:hover {
    color: var(--color-primary-light);
}

.footer-bottom {
    border-top: 1px solid #334155;
    padding: 1.5rem 0;
    text-align: center;
    color: #64748B;
    font-size: 0.875rem;
}

.footer-bottom-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 0.5rem;
    flex-wrap: wrap;
}

.footer-bottom-links a {
    color: #64748B;
}

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

/* === Toast Notification === */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--color-neutral-dark);
    color: var(--text-inverse);
    padding: 1rem 1.5rem;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    max-width: 90%;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.toast i {
    color: var(--color-accent-light);
    flex-shrink: 0;
}

/* === Lightbox Styles === */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(2, 6, 23, 0.95);
    z-index: 2000;
    animation: fadeIn 0.3s ease;
}

.lightbox.active {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-image {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1;
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1;
}

.lightbox-nav:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-50%) scale(1.1);
}

.lightbox-prev {
    left: 20px;
}

.lightbox-next {
    right: 20px;
}

.lightbox-caption {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-size: 0.875rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    max-width: 80%;
    text-align: center;
    z-index: 1;
}

/* === Responsive Design === */
@media (max-width: 1200px) {
    .header-content,
    .catalog,
    .info-section,
    .footer-content {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
}

@media (max-width: 968px) {
    .hero {
        min-height: 100vh;
        height: auto;
        padding: 6rem 1rem;
    }
    
    .hero-content {
        padding: 2rem 1.5rem;
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .hero-badges {
        justify-content: center;
    }
    
    .catalog {
        padding: 3rem 1rem;
    }
    
    .info-section {
        padding: 1.5rem;
        margin: 2rem auto;
    }
    
    .quality-badge {
        flex-direction: column;
        text-align: center;
        padding: 1.25rem;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .fabrics-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid { 
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); 
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        text-align: left;
    }
    
    .nav { display: none; }
    .mobile-menu-btn { display: flex; }
    .sidebar { display: none; }
}

@media (max-width: 640px) {
    .header-content {
        padding: 0.75rem 1rem;
    }
    
    .main { 
        margin-top: 0;
    }
    
    .hero {
        min-height: 100vh;
        height: auto;
        padding: 5rem 1rem;
    }
    
    .hero-content {
        padding: 1.5rem 1rem;
        border-radius: 20px;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .btn-lg {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
    
    .hero-badges {
        gap: 1rem;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-scroll {
        bottom: 1rem;
        width: 36px;
        height: 36px;
    }
    
    .catalog {
        padding: 2rem 1rem;
    }
    
    .products-grid { 
        grid-template-columns: 1fr; 
    }
    
    .products-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .info-section {
        padding: 1.25rem;
        margin: 1.5rem auto;
    }
    
    .quality-badge {
        padding: 1rem;
    }
    
    .quality-icon {
        width: 48px;
        height: 48px;
    }
    
    .quality-icon i {
        width: 24px;
        height: 24px;
    }
    
    .quality-content h3 {
        font-size: 1rem;
    }
    
    .quality-content p {
        font-size: 0.9rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 2rem 1rem;
    }
    
    .footer-social { 
        justify-content: center; 
    }
    
    .footer-contacts li { 
        justify-content: center; 
    }
    
    .footer-bottom-links { 
        flex-direction: column; 
        gap: 0.5rem; 
    }
    
    .lightbox-nav {
        display: none;
    }
    
    .lightbox-close {
        top: 10px;
        right: 10px;
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 480px) {
    .header-content,
    .catalog,
    .info-section,
    .footer-content {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

/* === Reduce motion preference === */
@media (prefers-reduced-motion: reduce) {
    .hero-image,
    .hero-content,
    .hero-scroll {
        animation: none !important;
        transition: none !important;
    }
}

/* === Utilities === */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.hidden { 
    display: none !important; 
}

.text-secondary {
    color: var(--text-secondary);
}

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

/* === Animations === */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* === Print Styles === */
@media print {
    .header,
    .footer,
    .sidebar,
    .btn,
    .icon-btn {
        display: none !important;
    }
    
    .main {
        margin-top: 0;
        padding: 0;
    }
    
    .product-card {
        break-inside: avoid;
        page-break-inside: avoid;
    }
}

/* === Category Groups with Subcategories === */
.category-group {
    margin-bottom: 0.75rem;
}

.category-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    padding: 0.25rem 0;
    user-select: none;
}

.category-header:hover {
    color: var(--color-primary);
}

.category-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    font-size: 0.9rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.2s;
}

.category-header:hover .category-label {
    color: var(--color-primary);
}

.category-icon {
    width: 16px;
    height: 16px;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.category-header input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
    cursor: pointer;
    border-radius: 4px;
}

.category-subcategories {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding-left: 2.5rem;
}

.category-subcategories.open {
    max-height: 200px;
    padding: 0.5rem 0 0.5rem 2.5rem;
}

.category-subcategories .filter-option {
    margin-bottom: 0.5rem;
}

.category-subcategories .filter-option:last-child {
    margin-bottom: 0;
}

.category-subcategories input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.category-subcategories span {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.category-subcategories .filter-option:hover span {
    color: var(--color-primary);
}

/* Rotate icon when open */
.category-header.open .category-icon {
    transform: rotate(180deg);
}

/* Indent for subcategories */
.category-subcategories {
    border-left: 2px solid var(--color-border);
    margin-left: 0.75rem;
}

/* === Mobile Overlay === */
.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(2, 6, 23, 0.6);
    backdrop-filter: blur(4px);
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

/* === Mobile Navigation === */
.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 400px;
    height: 100vh;
    background: var(--bg-card);
    z-index: 201;
    transition: right 0.3s ease;
    display: flex;
    flex-direction: column;
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.2);
}

.mobile-nav.active {
    right: 0;
}

.mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.mobile-nav-content {
    flex: 1;
    overflow-y: auto;
    padding: 1rem 0;
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.2s;
}

.mobile-nav-link:hover {
    background: var(--bg-hover);
    color: var(--color-primary);
}

.mobile-nav-link i {
    width: 22px;
    height: 22px;
}

.mobile-nav-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--color-border);
}

/* === Mobile Filters Bottom Sheet === */
.mobile-filters-sheet {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 300;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.mobile-filters-sheet.active {
    transform: translateY(0);
}

.mobile-filters-content {
    background: var(--bg-card);
    border-radius: 24px 24px 0 0;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.2);
}

.mobile-filters-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
    position: relative;
}

.mobile-filters-header::before {
    content: '';
    position: absolute;
    top: 0.75rem;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 4px;
    background: var(--color-border);
    border-radius: 2px;
}

.mobile-filters-header h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
}

.mobile-filters-body {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
}

.mobile-filter-section {
    margin-bottom: 2rem;
}

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

.mobile-filter-section h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.mobile-filters-footer {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 1.25rem 1.5rem;
    border-top: 1px solid var(--color-border);
    background: var(--bg-card);
}

.mobile-filters-footer .btn {
    width: 100%;
    justify-content: center;
}

/* Кнопка "Применить" (primary) */
.mobile-filters-footer .btn-primary {
    order: 1;
}

/* Кнопка "Сбросить" (outline) */
.mobile-filters-footer .btn-outline {
    order: 2;
}

/* === Mobile Filter Toggle Button === */
.mobile-filter-toggle {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: none;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(30, 64, 175, 0.4);
    z-index: 100;
    transition: all 0.3s ease;
}

.mobile-filter-toggle:hover {
    transform: translateX(-50%) translateY(-2px);
    box-shadow: 0 6px 30px rgba(30, 64, 175, 0.5);
}

.mobile-filter-toggle i {
    width: 20px;
    height: 20px;
}

.filter-badge {
    background: var(--color-accent);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    min-width: 24px;
    height: 24px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 0.5rem;
    margin-left: 0.25rem;
}

.filter-badge:empty {
    display: none;
}

/* === Mobile Category Styles === */
.mobile .category-group {
    margin-bottom: 0.75rem;
}

.mobile .category-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
    cursor: pointer;
}

.mobile .category-header input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.mobile .category-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    font-size: 0.95rem;
    color: var(--text-primary);
    cursor: pointer;
    padding: 0.25rem 0;
}

.mobile .category-icon {
    width: 18px;
    height: 18px;
    transition: transform 0.3s ease;
}

.mobile .category-subcategories {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding-left: 2.75rem;
}

.mobile .category-subcategories.open {
    max-height: 300px;
    padding: 0.5rem 0 0.5rem 2.75rem;
}

.mobile .category-subcategories .filter-option {
    padding: 0.625rem 0;
}

.mobile .category-subcategories input[type="checkbox"] {
    width: 18px;
    height: 18px;
}

.mobile .category-subcategories span {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.mobile .category-header.open .category-icon {
    transform: rotate(180deg);
}

/* === Mobile Price Inputs === */
.mobile .price-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.mobile .price-input-wrapper {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.mobile .price-input-wrapper label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.mobile .price-input-wrapper input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 1rem;
    -moz-appearance: textfield;
}

.mobile .price-input-wrapper input::-webkit-outer-spin-button,
.mobile .price-input-wrapper input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.mobile .price-input-wrapper input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

/* === Mobile Fabric Chips === */
.mobile .fabric-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.625rem;
}

.mobile .fabric-chip {
    padding: 0.625rem 1rem;
    font-size: 0.9rem;
    border-radius: 20px;
    border: 2px solid var(--color-border);
    background: var(--bg-card);
    cursor: pointer;
    transition: all 0.2s;
}

.mobile .fabric-chip.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

/* === Responsive === */
@media (max-width: 968px) {
    .mobile-filter-toggle {
        display: flex;
    }
    
    .sidebar {
        display: none !important;
    }
    
    .products-header {
        margin-bottom: 1rem;
    }
}

@media (min-width: 969px) {
    .mobile-nav,
    .mobile-filters-sheet,
    .mobile-filter-toggle {
        display: none !important;
    }
}