:root {
            --primary: #003366;
            --accent: #0066cc;
            --bg: #f4f4f9;
            --text: #333;
        }
        body { font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; margin: 0; line-height: 1.6; color: var(--text); background: var(--bg); }
        header { background: var(--primary); color: #fff; padding: 1rem 5%; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; }
        .logo-box { display: flex; align-items: center; gap: 15px; }
        .logo-img { height: 60px; width: auto; background: #fff; border-radius: 4px; padding: 5px; }
        nav { display: flex; flex-wrap: wrap; gap: 10px; background: #eee; padding: 10px 5%; justify-content: center; }
        nav a { color: var(--primary); text-decoration: none; font-size: 0.9rem; font-weight: bold; padding: 5px 10px; }
        nav a:hover { text-decoration: underline; }
        .hero { position: relative; width: 100%; height: 300px; background-image: url('/assets/background.jpg'); background-size: cover; background-position: center; display: flex; align-items: center; justify-content: center; color: white; text-shadow: 2px 2px 4px #000; }
        .main-container { max-width: 1200px; margin: 20px auto; padding: 0 20px; display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
        .card { background: #fff; padding: 20px; border-radius: 8px; box-shadow: 0 2px 5px rgba(0,0,0,0.1); }
        .card img { max-width: 100%; height: auto; border-radius: 4px; margin-bottom: 15px; }
        footer { margin-top: 40px; background: #000; color: #fff; text-align: center; padding: 20px; font-size: 0.8rem; }
        @media (min-width: 768px) { nav { justify-content: flex-start; } }