:root {
            --primary: #002752;
            --secondary: #0056b3;
            --accent: #005b9a;
            --dark: #040505;
            --light: #ffffff;
            --gray: #f4f4f4;
        }

        body {
            font-family: 'Raleway', -apple-system, BlinkMacSystemFont, Arial, sans-serif;
            margin: 0;
            padding: 0;
            color: var(--dark);
            line-height: 1.6;
        }

        header {
            background: var(--light);
            border-bottom: 3px solid var(--primary);
            padding: 1rem 5%;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo-img { height: 60px; width: auto; }

        nav a {
            text-decoration: none;
            color: var(--primary);
            font-weight: bold;
            margin-left: 20px;
            text-transform: uppercase;
            font-size: 0.9rem;
        }

        .hero {
            background-image: url('/assets/box-banner-alpha-2.jpg');
            background-size: cover;
            background-position: center;
            height: 400px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--light);
            text-align: center;
        }

        .container {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 1rem;
        }

        .banner-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
            margin-bottom: 2rem;
        }

        .banner-item {
            height: 200px;
            background-size: cover;
            background-position: center;
            border-radius: 4px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }

        .product-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 20px;
        }

        .product-card {
            border: 1px solid #ddd;
            padding: 10px;
            text-align: center;
            border-radius: 4px;
        }

        .product-card img {
            max-width: 100%;
            height: 150px;
            object-fit: contain;
        }

        footer {
            background: var(--dark);
            color: var(--light);
            text-align: center;
            padding: 2rem;
            margin-top: 2rem;
        }

        @media (max-width: 768px) {
            header { flex-direction: column; }
            nav { margin-top: 1rem; }
        }