:root {
            --primary-blue: #003e71;
            --accent-blue: #007a9d;
            --text-dark: #181818;
            --white: #ffffff;
        }
        body { font-family: Arial, sans-serif; margin: 0; color: var(--text-dark); line-height: 1.6; }
        header { background: var(--primary-blue); color: var(--white); padding: 1rem; display: flex; align-items: center; justify-content: space-between; }
        .logo-container img { height: 60px; }
        nav { background: #eee; padding: 0.5rem; text-align: center; }
        nav a { margin: 0 15px; color: var(--primary-blue); text-decoration: none; font-weight: bold; }
        main { max-width: 1200px; margin: 20px auto; padding: 0 15px; display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
        .hero { grid-column: 1 / -1; height: 300px; background-size: cover; background-position: center; display: flex; align-items: center; justify-content: center; color: white; text-shadow: 2px 2px 4px #000; }
        .card { border: 1px solid #ccc; padding: 15px; border-radius: 8px; box-shadow: 0 2px 5px rgba(0,0,0,0.1); }
        .card img { width: 100%; height: 180px; object-fit: cover; border-radius: 5px; }
        footer { background: #080808; color: #fff; text-align: center; padding: 20px; margin-top: 40px; }
        @media (max-width: 768px) { header { flex-direction: column; text-align: center; } }