:root {
            --primary: #00724d;
            --secondary: #0274be;
            --dark: #021343;
            --light: #f9fafb;
            --text: #333;
        }

        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; line-height: 1.6; color: var(--text); background: #fff; }
        
        header { padding: 1rem 5%; display: flex; align-items: center; background: #fff; border-bottom: 2px solid var(--primary); }
        .logo { width: 150px; height: auto; }
        nav { margin-left: auto; }
        nav a { margin-left: 20px; text-decoration: none; color: var(--dark); font-weight: 600; }

        .hero { height: 60vh; background: var(--dark); display: flex; align-items: center; justify-content: center; color: white; text-align: center; background-size: cover; background-position: center; }
        
        .container { max-width: 1200px; margin: 0 auto; padding: 40px 20px; }
        .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
        
        .card { border-radius: 8px; overflow: hidden; box-shadow: 0 4px 6px rgba(0,0,0,0.1); }
        .card img { width: 100%; height: 250px; object-fit: cover; }
        .card-content { padding: 15px; }

        footer { background: var(--dark); color: white; text-align: center; padding: 40px 20px; margin-top: 50px; }
        
        @media (max-width: 768px) { nav { display: none; } }