:root {
            --navy: #212061;
            --accent: #980000;
            --light: #ffffff;
            --gray: #f4f4f4;
        }

        body { font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; margin: 0; padding: 0; background: var(--light); color: #333; }
        
        /* Header */
        header { background: #2f3094; border-top: 5px solid #fff; padding: 10px 20px; color: white; display: flex; align-items: center; flex-wrap: wrap; }
        .logo { width: 290px; }
        .logo img { width: 100%; height: auto; }
        nav { flex: 1; display: flex; justify-content: flex-end; }
        nav ul { list-style: none; display: flex; gap: 20px; padding: 0; }
        nav a { color: white; text-decoration: none; font-weight: bold; }

        /* Grid Layout */
        .container { max-width: 1200px; margin: 0 auto; padding: 20px; display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
        
        /* Cards */
        .card { border: 1px solid #ddd; padding: 15px; border-radius: 8px; text-align: center; }
        .card img { max-width: 100%; height: 200px; object-fit: cover; border-radius: 4px; }
        .price { color: var(--accent); font-weight: 900; font-size: 1.2em; margin: 10px 0; }

        /* Footer */
        footer { background: #012231; color: white; text-align: center; padding: 20px; margin-top: 40px; }
        
        /* Responsive */
        @media (max-width: 768px) { nav { flex-direction: column; } }
        
        #myBtn { position: fixed; bottom: 20px; right: 20px; background: var(--accent); color: white; border: none; padding: 10px; cursor: pointer; }