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

        body {
            font-family: 'Arial', sans-serif;
            line-height: 1.6;
            color: #333;
            background: linear-gradient(135deg, #000080 0%, #003366 25%, #001f4d 50%, #002147 75%, #000033 100%);
            background-size: 400% 400%;
            animation: gradientShift 15s ease infinite;
            min-height: 100vh;
        }

        @keyframes gradientShift {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }

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

        header {
            background: linear-gradient(rgba(0, 0, 128, 0.5), rgba(0, 51, 102, 0.3)), 
                        url('https://images.unsplash.com/photo-1557804506-669a67965ba0?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            width: 100vw;
            position: relative;
            left: 50%;
            right: 50%;
            margin-left: -50vw;
            margin-right: -50vw;
            padding: 20px 20px 50px 20px;
            text-align: center;
            margin-bottom: 40px;
            box-shadow: 0 15px 35px rgba(0, 0, 128, 0.3);
        }

        .logo-container {
            margin-bottom: 30px;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .logo {
            max-width: 600px;
            max-height: 200px;
            width: auto;
            height: auto;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
            background: rgba(255, 255, 255, 0.9);
            padding: 10px;
            backdrop-filter: blur(5px);
        }

        h1 {
            color: white;
            font-size: 3.5em;
            margin-bottom: 15px;
            font-weight: 700;
            text-shadow: 2px 2px 4px rgba(0, 0, 128, 0.7);
        }

        .subtitle {
            color: rgba(255, 255, 255, 0.9);
            font-size: 1.3em;
            margin-bottom: 30px;
            text-shadow: 1px 1px 2px rgba(0, 0, 128, 0.7);
        }

        .filters {
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-radius: 15px;
            padding: 20px;
            margin-bottom: 30px;
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
            justify-content: center;
            box-shadow: 0 10px 25px rgba(0, 0, 128, 0.1);
        }

        .filter-btn {
            padding: 10px 20px;
            border: 2px solid #000080;
            background: transparent;
            color: #000080;
            border-radius: 25px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-weight: 600;
        }

        .filter-btn:hover,
        .filter-btn.active {
            background: linear-gradient(45deg, #000080, #003366);
            color: white;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 0, 128, 0.4);
        }

        .products-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
            margin-top: 30px;
        }

        .product-card {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 15px 35px rgba(0, 0, 128, 0.1);
            transition: all 0.3s ease;
            position: relative;
            height: fit-content;
        }

        .product-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 25px 50px rgba(0, 0, 128, 0.2);
        }

        .product-image {
            width: 100%;
            height: 220px;
            background: linear-gradient(45deg, #000080, #003366, #001f4d);
            position: relative;
            overflow: hidden;
        }

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

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

        .product-image::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
            transform: translateX(-100%);
            transition: transform 0.6s;
        }

        .product-card:hover .product-image::before {
            transform: translateX(100%);
        }

        .product-content {
            padding: 25px;
        }

        .product-category {
            display: inline-block;
            background: linear-gradient(45deg, #000080, #003366);
            color: white;
            padding: 5px 15px;
            border-radius: 15px;
            font-size: 0.8em;
            font-weight: 600;
            margin-bottom: 15px;
        }

        .product-title {
            font-size: 1.4em;
            font-weight: 700;
            margin-bottom: 20px;
            color: #2c3e50;
            text-align: center;
        }

        .product-price {
            text-align: center;
            margin-bottom: 25px;
        }

        .price-container {
            margin-bottom: 10px;
        }

        .price-from {
            color: red;
            font-size: 0.9em;
            text-decoration: line-through;
            margin-bottom: 5px;
        }

        .price-text {
            color: #2c3e50;
            font-size: 0.9em;
            margin-bottom: 5px;
        }

        .current-price {
            font-size: 1.8em;
            font-weight: 700;
            color: #000080;
        }

        .btn-primary {
            width: 100%;
            padding: 15px;
            background: linear-gradient(45deg, #000080, #003366, #001f4d);
            color: white;
            border: none;
            border-radius: 10px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .btn-primary::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: left 0.5s;
        }

        .btn-primary:hover::before {
            left: 100%;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(0, 0, 128, 0.4);
        }

        .no-results {
            text-align: center;
            padding: 60px 20px;
            color: white;
            font-size: 1.2em;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            backdrop-filter: blur(10px);
        }

        .stats {
            display: flex;
            justify-content: space-around;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-radius: 15px;
            padding: 20px;
            margin-bottom: 30px;
            box-shadow: 0 10px 25px rgba(0, 0, 128, 0.1);
        }

        .stat-item {
            text-align: center;
        }

        .stat-number {
            font-size: 2em;
            font-weight: 700;
            color: #000080;
        }

        .stat-label {
            color: #7f8c8d;
            font-weight: 600;
        }

        @media (max-width: 768px) {
            .container {
                padding: 10px;
            }

            h1 {
                font-size: 2em;
            }

            .logo {
                max-width: 150px;
                max-height: 60px;
            }

            .filters {
                flex-direction: column;
                align-items: center;
            }

            .products-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .stats {
                flex-direction: column;
                gap: 15px;
            }
        }

        .badge {
            position: absolute;
            top: 15px;
            right: 15px;
            background: #e74c3c;
            color: white;
            padding: 5px 10px;
            border-radius: 10px;
            font-size: 0.8em;
            font-weight: 600;
        }

        .badge.new {
            background: #27ae60;
        }

        .badge.sale {
            background: #f39c12;
        }