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

:root {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --dark: #1e293b;
    --dark-light: #334155;
    --light: #f8fafc;
    --gray: #64748b;
    --gray-light: #94a3b8;
    --success: #10b981;
    --warning: #f59e0b;
    --shadow: 0 2px 10px rgba(0,0,0,0.06);
    --shadow-hover: 0 6px 25px rgba(0,0,0,0.12);
}

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
    line-height: 1.6;
    color: #334155;
    background: #ffffff;
}

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

/* Шапка */
.header {
    background: var(--dark);
    color: white;
    padding: 12px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: white;
}

.logo-icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.logo-text {
    font-size: 1.3rem;
    font-weight: 600;
}

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

.nav {
    display: flex;
    gap: 4px;
}

.nav a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: 6px;
    transition: all 0.2s;
    font-size: 0.95rem;
}

.nav a:hover, .nav a.active {
    background: rgba(255,255,255,0.12);
    color: white;
}

.header-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.cart-link {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--primary);
    color: white;
    padding: 8px 16px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.2s;
}

.cart-link:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

/* Кнопки */
.btn {
    padding: 10px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.95rem;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.btn-outline {
    background: transparent;
    color: white;
    border: 1.5px solid rgba(255,255,255,0.4);
}

.btn-outline:hover {
    background: white;
    color: var(--dark);
    border-color: white;
}

.btn-dark {
    background: var(--dark);
    color: white;
}

.btn-dark:hover {
    background: var(--dark-light);
}

.btn-lg {
    padding: 14px 32px;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* Hero секция */
.hero {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
    color: white;
    text-align: center;
    padding: 70px 20px;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(59,130,246,0.1)" stroke-width="0.5"/></svg>');
    background-size: 200px;
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 2.6rem;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.hero p {
    font-size: 1.15rem;
    margin-bottom: 28px;
    opacity: 0.9;
}

.hero-badges {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 28px;
    flex-wrap: wrap;
}

.hero-badge {
    background: rgba(255,255,255,0.12);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
}

/* Категории */
.categories {
    padding: 50px 0;
}

.section-title {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 32px;
}

.section-title span {
    color: var(--primary);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
}

.category-card {
    background: white;
    padding: 24px 16px;
    border-radius: 14px;
    text-align: center;
    text-decoration: none;
    color: var(--dark);
    transition: all 0.25s;
    box-shadow: var(--shadow);
    border: 2px solid transparent;
}

.category-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary);
}

.category-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.category-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark);
}

.category-card p {
    font-size: 0.85rem;
    color: var(--gray);
}

.category-card .count {
    display: inline-block;
    background: var(--light);
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-top: 10px;
}

/* Бренды */
.brands {
    background: var(--light);
    padding: 50px 0;
}

.brand-grid {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.brand-card {
    text-align: center;
    padding: 28px 48px;
    background: white;
    border-radius: 14px;
    transition: all 0.25s;
    border: 2px solid #e2e8f0;
}

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

.brand-card h3 {
    font-size: 1.8rem;
    color: var(--dark);
    margin-bottom: 6px;
}

.brand-card p {
    color: var(--gray);
    font-size: 0.9rem;
}

/* Преимущества */
.features {
    padding: 50px 0;
    background: white;
}

.features .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 24px;
}

.feature {
    text-align: center;
    padding: 24px 16px;
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 14px;
    font-size: 1.5rem;
}

.feature h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--dark);
}

.feature p {
    font-size: 0.9rem;
    color: var(--gray);
}

/* Каталог */
.catalog-header {
    padding: 32px 0;
    background: white;
    border-bottom: 1px solid #e2e8f0;
}

.catalog-header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 16px;
}

.filters {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.filter-select {
    padding: 10px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 0.95rem;
    min-width: 160px;
    background: white;
    cursor: pointer;
    transition: border-color 0.2s;
}

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

.search-input {
    padding: 10px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    flex: 1;
    max-width: 280px;
    font-size: 0.95rem;
    transition: border-color 0.2s;
}

.search-input:focus {
    border-color: var(--primary);
    outline: none;
}

.products-section {
    padding: 32px 0;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
}

.product-card {
    background: white;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.25s;
    border: 2px solid transparent;
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary);
}

.product-image-wrap {
    position: relative;
    height: 190px;
    overflow: hidden;
    background: #f1f5f9;
}

.product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.product-card:hover .product-image {
    transform: scale(1.05);
}

.product-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--primary);
    color: white;
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
}

.product-badge.hit {
    background: var(--warning);
}

.stock-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
}

.stock-badge.in-stock {
    background: rgba(16, 185, 129, 0.9);
    color: white;
}

.stock-badge.low-stock {
    background: rgba(245, 158, 11, 0.9);
    color: white;
}

.stock-badge.out-of-stock {
    background: rgba(239, 68, 68, 0.9);
    color: white;
}

.product-info {
    padding: 16px;
}

.product-brand {
    color: var(--primary);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-name {
    font-size: 1rem;
    font-weight: 600;
    margin: 8px 0;
    color: var(--dark);
    text-decoration: none;
    display: block;
    line-height: 1.4;
}

.product-price-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 12px;
}

.price-current {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--dark);
}

.price-old {
    text-decoration: line-through;
    color: var(--gray-light);
    font-size: 0.9rem;
    margin-left: 8px;
}

.btn-add-cart {
    background: var(--dark);
    color: white;
    padding: 10px 14px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-add-cart:hover {
    background: var(--primary);
}

/* Подвал */
.footer {
    background: var(--dark);
    color: white;
    padding: 50px 0 24px;
    margin-top: 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 32px;
    margin-bottom: 32px;
}

.footer-col h4 {
    color: var(--primary);
    margin-bottom: 16px;
    font-size: 1.05rem;
}

.footer-col a {
    display: block;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    margin-bottom: 10px;
    font-size: 0.95rem;
    transition: color 0.2s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.5);
    font-size: 0.9rem;
}

/* Адаптивность */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 12px;
    }
    
    .nav {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .product-image-wrap {
        height: 140px;
    }
}