:root {
            --primary: #0170b9;
            --secondary: #004a59;
            --accent: #02e49b;
            --dark: #000000;
            --light: #ffffff;
            --gray: #f5f5f5;
        }

        body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; line-height: 1.6; color: #333; margin: 0; }
        header { background: var(--dark); color: var(--light); padding: 1rem 5%; display: flex; justify-content: space-between; align-items: center; }
        .logo { width: 200px; height: 60px; background: #222; display: flex; align-items: center; justify-content: center; font-weight: bold; overflow: hidden; }
        nav { display: flex; gap: 15px; flex-wrap: wrap; }
        nav a { color: var(--light); text-decoration: none; font-size: 0.9rem; }
        
        .hero { background: var(--primary); color: white; padding: 4rem 5%; text-align: center; background-image: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('/assets/banner-336x280-2.jpg'); background-size: cover; background-position: center; }
        
        .container { max-width: 1200px; margin: auto; padding: 2rem 5%; display: grid; grid-template-columns: 1fr 300px; gap: 2rem; }
        .content { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem; }
        
        .card { border: 1px solid #ddd; padding: 1rem; 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; object-fit: cover; border-radius: 4px; }
        
        footer { background: var(--gray); padding: 2rem 5%; text-align: center; margin-top: 2rem; border-top: 3px solid var(--primary); }

        @media (max-width: 768px) { .container { grid-template-columns: 1fr; } }