:root {
            --primary: #008ae4;
            --dark: #070726;
            --accent: #00f5a7;
            --white: #ffffff;
            --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); }
        
        header { background: var(--dark); padding: 1rem 0; position: sticky; top: 0; z-index: 1000; }
        .nav-container { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; padding: 0 20px; }
        .logo { width: 150px; }
        .logo img { width: 100%; display: block; }
        nav ul { list-style: none; display: flex; gap: 20px; }
        nav a { color: var(--white); text-decoration: none; font-weight: 600; font-size: 0.9rem; }

        .hero { background: var(--dark); color: var(--white); padding: 100px 20px; text-align: center; }
        .hero h1 { font-size: 3rem; margin-bottom: 20px; color: var(--accent); }
        .container { max-width: 1000px; margin: 0 auto; padding: 50px 20px; }
        
        .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; margin-top: 40px; }
        .card { border: 1px solid #eee; padding: 20px; border-radius: 8px; box-shadow: 0 4px 6px rgba(0,0,0,0.1); }
        
        .btn { display: inline-block; padding: 12px 30px; background: var(--primary); color: white; text-decoration: none; border-radius: 5px; margin-top: 20px; }
        
        footer { background: var(--dark); color: #888; padding: 40px 20px; text-align: center; font-size: 0.8rem; }

        @media (min-width: 768px) {
            .hero { text-align: left; }
            .hero .container { display: flex; align-items: center; }
        }