:root {
            --primary-blue: #0063dc;
            --text-dark: #1a1a2e;
            --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
        }

        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font-family: var(--font-main); color: var(--text-dark); line-height: 1.6; background-color: #f4f4f4; }

        header { background: #fff; padding: 1rem; display: flex; align-items: center; justify-content: space-between; border-bottom: 2px solid #eee; }
        .logo img { height: 50px; width: auto; }
        
        nav ul { display: flex; list-style: none; gap: 20px; }
        nav a { text-decoration: none; color: var(--text-dark); font-weight: 700; font-size: 0.9rem; text-transform: uppercase; }

        .hero { 
            background: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.4)), url('/assets/1199586110.jpg'); 
            background-size: cover; 
            background-position: center; 
            padding: 100px 20px; 
            text-align: center; 
            color: white; 
        }

        .grid { 
            display: grid; 
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); 
            gap: 20px; 
            padding: 40px 20px; 
            max-width: 1200px; 
            margin: auto; 
        }
        .card img { width: 100%; border-radius: 8px; box-shadow: 0 4px 6px rgba(0,0,0,0.1); transition: transform 0.3s; }
        .card img:hover { transform: scale(1.02); }

        footer { text-align: center; padding: 40px; background: #000; color: #fff; margin-top: 40px; }

        @media (max-width: 768px) {
            nav ul { flex-direction: column; text-align: center; }
            .hero { padding: 50px 10px; }
        }