:root {
        --primary: #00605e;
        --accent: #0073aa;
        --bg: #f4f4f4;
        --text: #333;
    }
    body { font-family: Baskerville, Georgia, serif; line-height: 1.6; color: var(--text); background: var(--bg); margin: 0; }
    header { background: #fff; border-bottom: 3px solid var(--primary); padding: 20px; text-align: center; }
    .logo-container { margin-bottom: 10px; }
    nav { background: var(--primary); display: flex; flex-wrap: wrap; justify-content: center; }
    nav a { color: #fff; padding: 10px 15px; text-decoration: none; font-size: 0.9em; text-transform: uppercase; }
    nav a:hover { background: var(--accent); }
    main { max-width: 960px; margin: 20px auto; padding: 20px; background: #fff; }
    .hero { width: 100%; height: 300px; background: #ddd; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; border-radius: 4px; overflow: hidden; }
    .footer { text-align: center; padding: 40px; font-size: 0.8em; color: #777; }
    .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
    .card { border: 1px solid #ddd; padding: 15px; border-radius: 4px; }
    @media (min-width: 768px) { .nav { justify-content: space-between; } }