body{margin:0;font-family:Arial,sans-serif}.header{color:#fff;text-align:center;background:#2c3e50;padding:15px}nav{justify-content:center;gap:20px;display:flex}nav a{color:#fff;font-weight:700;text-decoration:none}.hero{color:#fff;text-align:center;background:linear-gradient(90deg,#3498db,#6dd5fa);padding:60px 20px}.hero h1{font-size:40px}.container{max-width:1100px;margin:auto;padding:40px 20px}.features{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;display:grid}.card{text-align:center;background:#f4f4f4;border-radius:10px;padding:20px}.pricing{text-align:center;background:#ecf0f1;padding:40px 20px}.contact{color:#fff;background:#2c3e50;padding:40px 20px}footer{text-align:center;color:#fff;background:#111;padding:10px}.btn{color:#fff;background:#e74c3c;border-radius:5px;padding:10px 20px;text-decoration:none;display:inline-block}