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

        body {
            font-family: 'Arial', sans-serif;
            background-color: #f5f5f5;
        }

        .header {
            background: linear-gradient(135deg, #2c5aa0, #4a7bc8);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 2rem;
        }

        .logo {
            height: 40px;
            color: white;
            font-weight: bold;
            font-size: 1.5rem;
        }

        .search-bar {
            flex: 1;
            max-width: 500px;
            margin: 0 2rem;
            position: relative;
        }

        .search-bar input {
            width: 100%;
            padding: 12px 40px 12px 20px;
            border: none;
            border-radius: 25px;
            font-size: 16px;
            outline: none;
        }

        .search-btn {
            position: absolute;
            right: 10px;
            top: 50%;
            transform: translateY(-50%);
            background: #2c5aa0;
            border: none;
            padding: 8px 12px;
            border-radius: 50%;
            color: white;
            cursor: pointer;
        }

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

        .user-actions button {
            background: rgba(255,255,255,0.2);
            border: none;
            padding: 8px 16px;
            border-radius: 20px;
            color: white;
            cursor: pointer;
            transition: background 0.3s;
        }

        .user-actions button:hover {
            background: rgba(255,255,255,0.3);
        }

        /* Enhanced Main Navigation */
.main-nav {
    background: linear-gradient(135deg, rgba(255,255,255,0.98), rgba(255,255,255,0.95));
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(44,90,160,0.1);
}

.nav-menu {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    gap: 1rem;
    padding: 1rem 2rem;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.nav-menu::-webkit-scrollbar {
    display: none;
}

.nav-item {
    color: #2c5aa0;
    text-decoration: none;
    font-weight: 600;
    white-space: nowrap;
    padding: 12px 24px;
    border-radius: 30px;
    transition: all 0.3s ease;
    position: relative;
    background: linear-gradient(135deg, rgba(44,90,160,0.05), rgba(74,123,200,0.05));
    border: 2px solid transparent;
    backdrop-filter: blur(5px);
}

.nav-item:hover {
    background: linear-gradient(135deg, #2c5aa0, #4a7bc8);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(44,90,160,0.3);
    border-color: rgba(255,255,255,0.2);
}

.nav-item.active {
    background: linear-gradient(135deg, #2c5aa0, #4a7bc8);
    color: white;
    box-shadow: 0 6px 20px rgba(44,90,160,0.4);
    border-color: rgba(255,255,255,0.3);
}

.nav-item:visited,
.nav-item:link,
.nav-item:active {
    text-decoration: none !important;
    color: inherit !important;
}
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem;
        }

        .breadcrumb {
            margin-bottom: 2rem;
            color: #666;
        }

        .breadcrumb a {
            color: #2c5aa0;
            text-decoration: none;
        }

        /* Hero Section with 3 Cards */
        .hero-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-bottom: 3rem;
        }

        .hero-card {
            border-radius: 20px;
            padding: 2rem;
            color: white;
            position: relative;
            overflow: hidden;
            cursor: pointer;
            transition: transform 0.3s;
            text-align: center;
        }

        .hero-card:hover {
            transform: translateY(-5px);
        }

        .hero-card.blue {
            background: linear-gradient(135deg, #4a90e2, #5ba0f2);
        }

        .hero-card.coral {
            background: linear-gradient(135deg, #ff6b6b, #ff8e8e);
        }

        .hero-card.teal {
            background: linear-gradient(135deg, #4ecdc4, #44a08d);
        }

        .hero-card .badge {
            background: rgba(255,255,255,0.3);
            padding: 0.3rem 0.8rem;
            border-radius: 15px;
            font-size: 0.8rem;
            font-weight: bold;
            display: inline-block;
            margin-bottom: 1rem;
        }

        .hero-card h2 {
            font-size: 1.8rem;
            margin-bottom: 0.5rem;
            font-weight: bold;
        }

        .hero-card p {
            font-size: 1rem;
            margin-bottom: 1.5rem;
            opacity: 0.9;
        }

        .hero-card .btn {
            background: rgba(255,255,255,0.2);
            border: 2px solid white;
            color: white;
            padding: 10px 20px;
            border-radius: 20px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s;
            text-decoration: none;
            display: inline-block;
        }

        .hero-card .btn:hover {
            background: white;
            color: #333;
        }

        /* Special Promotion Section */
        .special-promo {
            background: linear-gradient(135deg, #ff6b6b, #ff8e8e);
            border-radius: 20px;
            padding: 3rem 2rem;
            margin-bottom: 3rem;
            text-align: center;
            color: white;
        }

        .special-promo h2 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            font-weight: bold;
        }

        .special-promo p {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            opacity: 0.9;
        }

        .promo-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }

        .promo-item {
            background: rgba(255,255,255,0.1);
            border-radius: 15px;
            padding: 1.5rem;
            backdrop-filter: blur(10px);
            text-align: center;
        }

        .promo-item h3 {
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
            font-weight: bold;
        }

        .promo-item .price {
            font-size: 1.8rem;
            font-weight: bold;
            color: #ffeb3b;
            margin-bottom: 0.5rem;
        }

        .promo-item p {
            font-size: 0.9rem;
            opacity: 0.8;
        }

        /* Section Titles */
        .section-title {
            font-size: 2rem;
            margin-bottom: 1rem;
            color: #333;
            text-align: center;
            font-weight: bold;
        }

        .section-subtitle {
            text-align: center;
            color: #666;
            margin-bottom: 2rem;
            font-size: 1.1rem;
        }

        /* Products Grid */
        .products-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 4rem;
        }

        .product-card {
            background: white;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
            transition: all 0.3s;
            cursor: pointer;
        }

        .product-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.15);
        }

        .product-image {
            height: 200px;
            background: linear-gradient(135deg, #f8f9fa, #e9ecef);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #666;
            font-size: 3rem;
            position: relative;
        }

        .discount-tag {
            position: absolute;
            top: 10px;
            left: 10px;
            background: #ff4757;
            color: white;
            padding: 5px 10px;
            border-radius: 15px;
            font-size: 0.8rem;
            font-weight: bold;
        }

        .bundle-tag {
            position: absolute;
            top: 10px;
            right: 10px;
            background: #ff6b6b;
            color: white;
            padding: 5px 10px;
            border-radius: 15px;
            font-size: 0.8rem;
            font-weight: bold;
        }

        .ntt-tag {
            position: absolute;
            top: 10px;
            right: 10px;
            background: #4ecdc4;
            color: white;
            padding: 5px 10px;
            border-radius: 15px;
            font-size: 0.8rem;
            font-weight: bold;
        }

        .product-info {
            padding: 1.5rem;
        }

        .product-name {
            font-weight: bold;
            margin-bottom: 0.5rem;
            color: #333;
        }

        .product-price {
            color: #2c5aa0;
            font-size: 1.2rem;
            font-weight: bold;
        }

        .original-price {
            color: #999;
            text-decoration: line-through;
            font-size: 0.9rem;
            margin-left: 0.5rem;
        }

        .footer {
            background: #333;
            color: white;
            padding: 2rem 0;
            text-align: center;
            margin-top: 4rem;
        }

        /* Modal */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.8);
            z-index: 1000;
        }

        .modal-content {
            background: white;
            margin: 5% auto;
            padding: 2rem;
            border-radius: 20px;
            max-width: 600px;
            position: relative;
        }

        .close {
            position: absolute;
            top: 1rem;
            right: 1rem;
            font-size: 2rem;
            cursor: pointer;
            color: #999;
        }

        .close:hover {
            color: #333;
        }

        @media (max-width: 768px) {
            .nav-container {
                flex-direction: column;
                gap: 1rem;
            }
            
            .search-bar {
                max-width: 100%;
                margin: 0;
            }
            
            .hero-section {
                grid-template-columns: 1fr;
            }
            
            .products-grid {
                grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            }

            .promo-grid {
                grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            }

            .special-promo h2 {
                font-size: 2rem;
            }
        }