:root {
            --primary: #286090;
            --secondary: #269abc;
            --dark: #222;
            --light: #f8f8f8;
            --white: #ffffff;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font-family: Arial, Helvetica, sans-serif; color: var(--dark); line-height: 1.6; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 15px; }
        header { background: var(--white); padding: 20px 0; border-bottom: 3px solid var(--primary); }
        .logo { max-width: 200px; }
        nav { background: var(--dark); color: white; padding: 10px 0; }
        nav ul { list-style: none; display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; }
        nav a { color: white; text-decoration: none; font-weight: bold; font-size: 0.9em; }
        
        .hero { background: #eee; height: 400px; display: flex; align-items: center; justify-content: center; margin-bottom: 30px; position: relative; overflow: hidden; }
        .hero img { width: 100%; height: 100%; object-fit: cover; }
        
        .product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 20px; margin-bottom: 50px; }
        .product-card { border: 1px solid #ddd; padding: 15px; transition: 0.3s; }
        .product-card:hover { box-shadow: 0 5px 15px rgba(0,0,0,0.1); }
        .product-card img { width: 100%; height: 200px; object-fit: contain; margin-bottom: 10px; }
        
        button { background: var(--primary); color: white; border: none; padding: 10px 20px; cursor: pointer; }
        footer { background: var(--dark); color: white; padding: 40px 0; text-align: center; margin-top: 50px; }
        
        @media (max-width: 768px) { nav ul { flex-direction: column; align-items: center; } }