:root {
            --primary: #006799;
            --secondary: #00a99d;
            --dark: #000;
            --light: #f4f4f4;
            --white: #ffffff;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif; line-height: 1.6; color: #333; }
        .wrapper { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        
        header { background: var(--white); padding: 20px 0; border-bottom: 3px solid var(--primary); }
        .site-branding { display: flex; align-items: center; gap: 20px; }
        .site-logo img { max-width: 150px; }
        
        nav { background: var(--primary); padding: 10px 0; }
        nav ul { display: flex; list-style: none; gap: 20px; }
        nav a { color: var(--white); text-decoration: none; font-weight: bold; }
        
        #hero-section { background: #eee; padding: 60px 0; text-align: center; }
        .hero-img { width: 100%; max-height: 400px; object-fit: cover; border-radius: 8px; margin-bottom: 20px; }
        
        .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; padding: 40px 0; }
        .card { border: 1px solid #ddd; padding: 20px; border-radius: 8px; transition: 0.3s; }
        .card:hover { box-shadow: 0 5px 15px rgba(0,0,0,0.1); }
        .card img { width: 100%; height: 200px; object-fit: cover; border-radius: 4px; }
        
        footer { background: var(--dark); color: var(--white); padding: 40px 0; text-align: center; }
        
        @media (max-width: 768px) { nav ul { flex-direction: column; } }