:root {
            --primary: #00afef;
            --dark: #404040;
            --light: #f5f6f6;
            --white: #ffffff;
        }
        body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; margin: 0; background-color: var(--light); color: #333; }
        .navbar { background: var(--white); border-bottom: 2px solid var(--primary); padding: 10px 0; display: flex; align-items: center; }
        .logo-container { display: flex; align-items: center; gap: 10px; padding-left: 20px; }
        .logo-img { height: 40px; width: auto; }
        nav { flex-grow: 1; text-align: right; padding-right: 20px; }
        nav a { margin: 0 10px; text-decoration: none; color: var(--dark); font-weight: bold; }
        .hero { 
            height: 400px; 
            background: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.4)), url('/assets/banner1.png');
            background-size: cover; 
            background-position: center; 
            display: flex; 
            flex-direction: column; 
            align-items: center; 
            justify-content: center;
            color: white;
            text-align: center;
        }
        .nav-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 15px; padding: 20px; max-width: 1000px; margin: auto; }
        .nav-item { background: var(--white); padding: 15px; text-align: center; border-radius: 8px; box-shadow: 0 2px 4px rgba(0,0,0,0.1); }
        .footer { background: var(--dark); color: white; padding: 40px; text-align: center; margin-top: 50px; }
        @media (max-width: 768px) { .nav-grid { grid-template-columns: repeat(2, 1fr); } }