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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            line-height: 1.6;
            color: #1a1a1a;
            background: #fafafa;
        }

        /* Header */
        .header {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(20px);
            z-index: 1000;
            border-bottom: 1px solid #e0e0e0;
        }

        .nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 2rem;
            max-width: 1400px;
            margin: 0 auto;
        }

        .logo {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #000;
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 2.5rem;
        }

        .nav-links a {
            text-decoration: none;
            color: #1a1a1a;
            font-weight: 500;
            font-size: 1rem;
            transition: color 0.3s ease;
            position: relative;
        }

        .nav-links a:hover {
            color: #007AFF;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: #007AFF;
            transition: width 0.3s ease;
        }

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

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .cart-btn {
            position: relative;
            background: #f8f9fa;
            border: 2px solid #e9ecef;
            padding: 0.8rem 1.2rem;
            border-radius: 12px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .cart-btn:hover {
            background: #fff;
            border-color: #007AFF;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(0,122,255,0.15);
        }

        .cart-count {
            background: #FF3B30;
            color: white;
            border-radius: 50%;
            min-width: 20px;
            height: 20px;
            font-size: 0.75rem;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
        }

        /* Hero Section */
        .hero {
            height: 100vh;
            background: #000;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('https://i.imgur.com/ssL8xoo.gif') center/cover;
            opacity: 0.7;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            color: white;
            max-width: 700px;
            padding: 0 2rem;
        }

        .hero h1 {
            font-size: 4rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            letter-spacing: -0.03em;
        }

        .hero p {
            font-size: 1.3rem;
            opacity: 0.9;
            margin-bottom: 3rem;
            font-weight: 300;
        }

        .cta-btn {
            background: white;
            color: #000;
            padding: 1.2rem 3rem;
            border: none;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
        }

        .cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(255,255,255,0.3);
        }

        /* Products Section */
        .products {
            padding: 5rem 2rem;
            max-width: 1400px;
            margin: 0 auto;
            background: #fafafa;
        }

        .section-title {
            text-align: center;
            margin-bottom: 4rem;
        }

        .section-title h2 {
            font-size: 3rem;
            font-weight: 800;
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
            color: #000;
        }

        .section-title p {
            font-size: 1.2rem;
            color: #666;
            font-weight: 300;
        }

        .filters {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin-bottom: 4rem;
            flex-wrap: wrap;
        }

        .filter-btn {
            background: white;
            border: 2px solid #e0e0e0;
            padding: 0.8rem 2rem;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-weight: 600;
            font-size: 0.95rem;
        }

        .filter-btn.active,
        .filter-btn:hover {
            background: #000;
            color: white;
            border-color: #000;
            transform: translateY(-1px);
        }

        .product-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2.5rem;
        }

        .product-card {
            background: white;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
            transition: all 0.4s ease;
            cursor: pointer;
            border: 1px solid #f0f0f0;
        }

        .product-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.12);
        }

        .product-image {
            width: 100%;
            height: 280px;
            object-fit: cover;
        }

        .product-info {
            padding: 2rem;
        }

        .product-title {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: #000;
        }

        .product-category {
            color: #888;
            font-size: 0.9rem;
            margin-bottom: 1.2rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            font-weight: 500;
        }

        .product-price {
            font-size: 1.4rem;
            font-weight: 800;
            color: #000;
            margin-bottom: 1.5rem;
        }

        .add-to-cart {
            width: 100%;
            background: #000;
            color: white;
            border: none;
            padding: 1rem;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 1rem;
        }

        .add-to-cart:hover {
            background: #333;
            transform: translateY(-1px);
        }

        /* Cart Modal */
        .cart-modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.6);
            z-index: 2000;
            display: none;
            backdrop-filter: blur(10px);
        }

        .cart-content {
            position: absolute;
            right: 0;
            top: 0;
            height: 100%;
            width: 450px;
            background: white;
            padding: 2rem;
            overflow-y: auto;
            transform: translateX(100%);
            transition: transform 0.4s ease;
        }

        .cart-modal.active .cart-content {
            transform: translateX(0);
        }

        .cart-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2rem;
            border-bottom: 2px solid #f0f0f0;
            padding-bottom: 1rem;
        }

        .cart-header h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #000;
        }

        .close-cart {
            background: #f8f9fa;
            border: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            font-size: 1.2rem;
            cursor: pointer;
            transition: background 0.3s ease;
        }

        .close-cart:hover {
            background: #e9ecef;
        }

        .cart-item {
            display: flex;
            gap: 1rem;
            margin-bottom: 1.5rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid #f0f0f0;
        }

        .cart-item-image {
            width: 80px;
            height: 80px;
            object-fit: cover;
            border-radius: 8px;
        }

        .cart-item-info {
            flex: 1;
        }

        .cart-item-title {
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: #000;
        }

        .cart-item-price {
            color: #000;
            font-weight: 700;
            font-size: 1.1rem;
        }

        .quantity-controls {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }

        .quantity-btn {
            background: #f8f9fa;
            border: 1px solid #e9ecef;
            width: 32px;
            height: 32px;
            border-radius: 6px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            transition: all 0.3s ease;
        }

        .quantity-btn:hover {
            background: #e9ecef;
        }

        .quantity {
            font-weight: 600;
            min-width: 20px;
            text-align: center;
        }

        .cart-total {
            margin-top: 2rem;
            padding-top: 2rem;
            border-top: 2px solid #e0e0e0;
        }

        .total-price {
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            color: #000;
        }

        .checkout-btn {
            width: 100%;
            background: #007AFF;
            color: white;
            border: none;
            padding: 1.2rem;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .checkout-btn:hover {
            background: #0056CC;
            transform: translateY(-1px);
        }

        .empty-cart {
            text-align: center;
            padding: 3rem 1rem;
            color: #666;
        }

        .empty-cart-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
        }

        /* Checkout Form */
        .checkout-form {
            display: none;
            padding: 2rem 0;
            border-top: 2px solid #f0f0f0;
            margin-top: 2rem;
        }

        .checkout-form.active {
            display: block;
        }

        .form-section {
            margin-bottom: 2rem;
        }

        .form-section h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 1rem;
            color: #000;
        }

        .form-group {
            margin-bottom: 1rem;
        }

        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 500;
            color: #333;
        }

        .form-group input,
        .form-group select {
            width: 100%;
            padding: 0.8rem;
            border: 2px solid #e0e0e0;
            border-radius: 6px;
            font-size: 1rem;
            transition: border-color 0.3s ease;
        }

        .form-group input:focus,
        .form-group select:focus {
            outline: none;
            border-color: #007AFF;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
        }

        .payment-methods {
            display: flex;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }

        .payment-method {
            padding: 0.5rem 1rem;
            border: 2px solid #e0e0e0;
            border-radius: 6px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 0.9rem;
        }

        .payment-method.active {
            border-color: #007AFF;
            background: #f0f8ff;
        }

        .place-order-btn {
            width: 100%;
            background: #34C759;
            color: white;
            border: none;
            padding: 1.2rem;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-top: 1rem;
        }

        .place-order-btn:hover {
            background: #28A745;
            transform: translateY(-1px);
        }

        .back-to-cart {
            background: #6c757d;
            color: white;
            border: none;
            padding: 1rem;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            width: 100%;
            margin-bottom: 1rem;
        }

        .back-to-cart:hover {
            background: #5a6268;
        }

        /* Footer */
        .footer {
            background: #000;
            color: white;
            padding: 4rem 2rem 2rem;
            text-align: center;
        }

        .footer-content {
            max-width: 1400px;
            margin: 0 auto;
        }

        .footer-links {
            display: flex;
            justify-content: center;
            gap: 3rem;
            margin-bottom: 2rem;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s ease;
            font-weight: 500;
        }

        .footer-links a:hover {
            color: white;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .nav {
                padding: 1rem;
            }

            .nav-links {
                display: none;
            }

            .hero h1 {
                font-size: 2.5rem;
            }

            .cart-content {
                width: 100%;
            }

            .product-grid {
                grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
                gap: 1.5rem;
            }

            .form-row {
                grid-template-columns: 1fr;
            }

            .section-title h2 {
                font-size: 2.2rem;
            }
        }