:root {
            --primary: #006269;
            --secondary: #0077b3;
            --dark: #002752;
            --light: #f4f7f6;
            --text: #333;
        }
        * { box-sizing: border-box; }
        body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif; margin: 0; color: var(--text); line-height: 1.6; }
        
        header { background: #fff; padding: 1rem; border-bottom: 3px solid var(--primary); display: flex; justify-content: space-between; align-items: center; position: sticky; top: 0; z-index: 1000; }
        .logo-area { height: 60px; }
        .logo-area img { height: 100%; width: auto; object-fit: contain; }
        
        nav ul { list-style: none; display: flex; gap: 15px; padding: 0; margin: 0; flex-wrap: wrap; }
        nav a { text-decoration: none; color: var(--dark); font-weight: 600; font-size: 0.9rem; }
        
        .hero { 
            background: linear-gradient(rgba(0,39,82,0.8), rgba(0,39,82,0.8)), url('/assets/pattern-background4.jpg');
            background-size: cover; color: white; padding: 4rem 1rem; text-align: center;
        }
        
        .container { max-width: 1200px; margin: 0 auto; padding: 2rem; }
        
        .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; margin-top: 2rem; }
        .card { background: #fff; border-radius: 8px; padding: 1.5rem; box-shadow: 0 4px 6px rgba(0,0,0,0.1); border-top: 4px solid var(--primary); }
        .card img { max-width: 100%; border-radius: 4px; height: 200px; object-fit: cover; }
        
        footer { background: var(--dark); color: white; text-align: center; padding: 2rem; margin-top: 3rem; }
        .social-icons { margin: 10px 0; }
        .icon { width: 32px; height: 32px; display: inline-block; margin: 0 5px; }

        @media (max-width: 768px) {
            nav ul { flex-direction: column; align-items: center; }
            .hero { padding: 2rem 1rem; }
        }