:root {
            --primary: #006ba1;
            --secondary: #00d084;
            --dark: #222222;
            --light: #f4f4f4;
            --text: #333333;
        }
        body { font-family: Roboto, sans-serif; color: var(--text); line-height: 1.6; margin: 0; }
        header { background: #fff; border-bottom: 2px solid var(--primary); padding: 1rem; display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; z-index: 1000; }
        .logo-img { height: 50px; }
        nav ul { display: flex; list-style: none; gap: 15px; margin: 0; padding: 0; }
        nav a { text-decoration: none; color: var(--dark); font-weight: bold; }
        .hero { background: #004a59 url('/assets/hbg.png') center/cover; color: white; padding: 4rem 1rem; text-align: center; }
        .container { max-width: 1100px; margin: auto; padding: 20px; }
        .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
        .card { border: 1px solid #ddd; padding: 15px; border-radius: 8px; transition: 0.3s; }
        .card:hover { box-shadow: 0 5px 15px rgba(0,0,0,0.1); }
        .card-img { width: 100%; height: 180px; background: #eee; border-radius: 4px; display: flex; align-items: center; justify-content: center; margin-bottom: 15px; overflow: hidden; object-fit: cover; }
        footer { background: var(--dark); color: white; text-align: center; padding: 2rem; margin-top: 2rem; }
        @media (max-width: 768px) { nav { display: none; } }