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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: #111;
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}

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

.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: #fff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.nav-main {
    padding: 20px 40px;
    border-bottom: 1px solid #e5e5e5;
}

.nav-container {
    max-width: 1440px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    width: 64px;
    height: 56px;
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links li a {
    font-weight: 600;
    font-size: 16px;
    padding: 8px 0;
    position: relative;
    transition: color 0.2s;
}

.nav-links li a:hover {
    color: #757575;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 24px;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-box input {
    background: #f5f5f5;
    border: none;
    padding: 10px 40px 10px 16px;
    border-radius: 20px;
    font-size: 14px;
    width: 200px;
    outline: none;
    transition: background 0.2s;
}

.search-box input:focus {
    background: #e5e5e5;
}

.search-icon {
    position: absolute;
    right: 12px;
    width: 20px;
    height: 20px;
}

.cart-icon svg {
    width: 24px;
    height: 24px;
    cursor: pointer;
    transition: opacity 0.2s;
}

.cart-icon svg:hover {
    opacity: 0.6;
}

.hero {
    padding: 0;
}

.hero-content {
    position: relative;
}

.hero-content img {
    width: 100%;
    height: 80vh;
    object-fit: cover;
}

.hero-text {
    position: absolute;
    bottom: 60px;
    left: 60px;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.hero-subtitle {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.hero-text h1 {
    font-size: 72px;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 16px;
}

.hero-text p {
    font-size: 20px;
    margin-bottom: 24px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
}

.btn {
    padding: 12px 28px;
    border: none;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-black {
    background: #111;
    color: #fff;
}

.btn-black:hover {
    background: #757575;
}

.btn-white {
    background: #fff;
    color: #111;
}

.btn-white:hover {
    background: #e5e5e5;
}

.featured, .collection, .sports, .essentials {
    max-width: 1440px;
    margin: 0 auto;
    padding: 80px 40px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.section-header h2 {
    font-size: 28px;
    font-weight: 700;
}

.section-links {
    display: flex;
    gap: 24px;
}

.section-links a {
    font-size: 16px;
    font-weight: 500;
    color: #757575;
    transition: color 0.2s;
}

.section-links a.active, .section-links a:hover {
    color: #111;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.product-card {
    cursor: pointer;
    transition: transform 0.3s;
}

.product-card:hover {
    transform: translateY(-4px);
}

.product-image {
    background: #f5f5f5;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 16px;
}

.product-image img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
}

.product-info {
    padding: 0 4px;
}

.product-category {
    font-size: 14px;
    color: #757575;
    display: block;
    margin-bottom: 4px;
}

.product-name {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.product-price {
    font-size: 16px;
    color: #757575;
}

.collection-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.collection-item {
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    cursor: pointer;
}

.collection-item img {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
    transition: transform 0.5s;
}

.collection-item:hover img {
    transform: scale(1.05);
}

.collection-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 32px;
    background: linear-gradient(transparent, rgba(0,0,0,0.7));
    color: #fff;
}

.collection-overlay h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 16px;
}

.sports-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.sport-item {
    text-align: center;
    cursor: pointer;
}

.sport-item img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 50%;
    margin-bottom: 16px;
    transition: transform 0.3s;
}

.sport-item:hover img {
    transform: scale(1.05);
}

.sport-item h3 {
    font-size: 18px;
    font-weight: 600;
}

.essentials-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.essential-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.essential-item img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 4px;
    margin-bottom: 16px;
    transition: transform 0.3s;
}

.essential-item:hover img {
    transform: scale(1.05);
}

.essential-item h3 {
    font-size: 16px;
    font-weight: 600;
}

.footer {
    background: #111;
    color: #fff;
    padding: 60px 40px 20px;
}

.footer-container {
    max-width: 1440px;
    margin: 0 auto;
}

.footer-columns {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    margin-bottom: 60px;
}

.footer-column h4 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 12px;
}

.footer-column ul li a {
    font-size: 14px;
    color: #757575;
    transition: color 0.2s;
}

.footer-column ul li a:hover {
    color: #fff;
}

.footer-bottom {
    border-top: 1px solid #2a2a2a;
    padding-top: 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-social {
    display: flex;
    gap: 16px;
}

.social-icon {
    width: 40px;
    height: 40px;
    background: #757575;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.social-icon:hover {
    background: #fff;
}

.social-icon svg {
    width: 20px;
    height: 20px;
    fill: #111;
}

.footer-legal {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 12px;
}

.footer-country {
    display: flex;
    gap: 24px;
    font-size: 12px;
    color: #757575;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    font-size: 12px;
    color: #757575;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: #fff;
}

@media (max-width: 1024px) {
    .products-grid, .collection-grid, .sports-grid, .essentials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-text h1 {
        font-size: 48px;
    }
    
    .nav-links {
        display: none;
    }
}

@media (max-width: 768px) {
    .nav-top {
        padding: 8px 20px;
    }
    
    .nav-main {
        padding: 12px 20px;
    }

    .logo {
        width: 52px;
        height: 45px;
    }
    
    .hero-text {
        left: 20px;
        bottom: 30px;
    }
    
    .hero-text h1 {
        font-size: 36px;
    }
    
    .featured, .collection, .sports, .essentials {
        padding: 60px 20px;
    }
    
    .products-grid, .collection-grid, .sports-grid, .essentials-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-columns {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 24px;
        align-items: flex-start;
    }
    
    .footer-legal {
        align-items: flex-start;
    }
}