:root {
            --primary: #014990;
            --secondary: #00c2ff;
            --dark: #222;
            --light: #f6f7f7;
            --accent: #2d7fbb;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; line-height: 1.6; color: var(--dark); }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        
        header { background: #fff; padding: 20px 0; border-bottom: 2px solid var(--primary); }
        .flex { display: flex; justify-content: space-between; align-items: center; }
        .nav-wrap { background: var(--primary); padding: 10px 0; }
        .nav ul { display: flex; list-style: none; gap: 20px; }
        .nav a { color: #fff; text-decoration: none; font-weight: 600; }
        
        .banner { background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; padding: 60px 20px; text-align: center; }
        .button { display: inline-block; padding: 12px 24px; background: var(--secondary); color: #fff; text-decoration: none; border-radius: 4px; font-weight: bold; margin: 5px; }
        
        .feature { padding: 40px 0; }
        .row { display: flex; flex-wrap: wrap; gap: 20px; }
        .col { flex: 1; min-width: 300px; }
        
        .featured-item { border: 1px solid #ddd; padding: 20px; display: block; text-align: center; text-decoration: none; color: var(--dark); transition: 0.3s; }
        .featured-item:hover { box-shadow: 0 5px 15px rgba(0,0,0,0.1); }
        
        .img-placeholder { background: #e0e0e0; width: 100%; height: 200px; display: flex; align-items: center; justify-content: center; color: #888; margin-bottom: 10px; }

        .footer { background: var(--dark); color: #fff; padding: 40px 0; margin-top: 40px; }
        .footer a { color: var(--secondary); }
        .social { display: flex; gap: 10px; list-style: none; }
        
        @media (max-width: 768px) { .nav ul { flex-direction: column; } .row { flex-direction: column; } }