:root {
            --primary-blue: #002e5d;
            --accent-blue: #0088cb;
            --dark-navy: #062134;
            --text-dark: #161616;
            --white: #ffffff;
        }

        body { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.6; color: var(--text-dark); margin: 0; }
        header { background: var(--primary-blue); padding: 1rem 5%; display: flex; justify-content: space-between; align-items: center; color: var(--white); }
        .logo { width: 200px; height: 50px; background: url('/assets/15Anniversary_v6_white-removebg-preview.png') no-repeat center/contain; }
        nav ul { display: flex; gap: 20px; list-style: none; }
        nav a { color: var(--white); text-decoration: none; font-size: 0.9rem; }
        
        .hero { height: 60vh; background: var(--dark-navy); display: flex; align-items: center; justify-content: center; color: var(--white); text-align: center; background-blend-mode: overlay; }
        .hero h1 { font-size: 2.5rem; margin-bottom: 1rem; }
        
        main { padding: 3rem 5%; max-width: 1200px; margin: auto; }
        .features { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; margin-top: 2rem; }
        .card { padding: 2rem; border-left: 4px solid var(--accent-blue); background: #f4f4f4; box-shadow: 0 4px 6px rgba(0,0,0,0.1); }
        
        footer { background: var(--dark-navy); color: var(--white); padding: 2rem 5%; text-align: center; margin-top: 3rem; }
        
        @media (max-width: 768px) {
            header { flex-direction: column; gap: 1rem; }
            nav ul { flex-wrap: wrap; justify-content: center; }
            .hero h1 { font-size: 1.8rem; }
        }