:root {
            --primary: #003580;
            --secondary: #006da3;
            --accent: #005da9;
            --light: #f4f7f9;
            --dark: #000;
        }
        * { 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; }
        
        header { background: #fff; border-bottom: 3px solid var(--primary); padding: 1rem; display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; z-index: 1000; }
        .logo { height: 60px; }
        
        nav { display: flex; gap: 15px; flex-wrap: wrap; background: var(--primary); padding: 0.5rem 1rem; }
        nav a { color: #fff; text-decoration: none; font-size: 0.9rem; font-weight: 500; }
        
        .hero { background: var(--primary); color: #fff; padding: 4rem 1rem; text-align: center; background-size: cover; background-position: center; }
        
        .container { max-width: 1200px; margin: auto; padding: 2rem; display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
        
        section { background: #fff; padding: 1.5rem; border-radius: 8px; border: 1px solid #ddd; }
        h2 { color: var(--primary); margin-bottom: 1rem; border-bottom: 2px solid var(--light); }
        
        ul { list-style: none; }
        li a { color: var(--secondary); text-decoration: none; display: block; padding: 0.3rem 0; }
        li a:hover { color: var(--dark); }
        
        footer { background: var(--dark); color: #fff; text-align: center; padding: 2rem; margin-top: 3rem; }
        
        @media (max-width: 768px) {
            nav { flex-direction: column; }
            .hero { padding: 2rem 1rem; }
        }