:root {
            --primary: #0077b5;
            --dark: #002400;
            --light: #f4f4f4;
            --white: #ffffff;
            --text: #333;
        }

        * { 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(--text); }

        header { background: var(--white); padding: 1rem 5%; border-bottom: 3px solid var(--primary); display: flex; justify-content: space-between; align-items: center; position: sticky; top: 0; z-index: 1000; }
        .logo img { max-height: 50px; width: auto; }
        
        nav ul { list-style: none; display: flex; gap: 20px; }
        nav a { text-decoration: none; color: var(--dark); font-weight: 600; }
        
        .hero { background: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.4)), url('/assets/newbanner.jpg'); background-size: cover; background-position: center; height: 500px; display: flex; flex-direction: column; justify-content: center; align-items: center; color: var(--white); text-align: center; }
        .hero h1 { font-size: 3rem; margin-bottom: 1rem; }

        .container { max-width: 1200px; margin: 0 auto; padding: 2rem; }
        .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
        
        .card { border: 1px solid #ddd; padding: 1.5rem; border-radius: 8px; box-shadow: 0 4px 6px rgba(0,0,0,0.1); }
        .card img { max-width: 100%; border-radius: 4px; margin-bottom: 1rem; }

        footer { background: var(--dark); color: var(--white); text-align: center; padding: 2rem; margin-top: 3rem; }

        @media (max-width: 768px) {
            header { flex-direction: column; }
            nav ul { flex-direction: column; align-items: center; gap: 10px; margin-top: 1rem; }
            .hero h1 { font-size: 2rem; }
        }