body{font-family:Arial,sans-serif;margin:0}header{display:flex;justify-content:space-between;padding:20px;background:#fff;position:sticky;top:0}nav a{margin:10px}.hero{padding:120px 20px;text-align:center;background:linear-gradient(135deg,#6c3bff,#ff2ea6);color:#fff}.btn{background:#fff;padding:12px 20px;border-radius:30px}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:15px;padding:20px}.card{padding:20px;background:#f3f3f3;border-radius:12px}.wa{position:fixed;right:20px;bottom:20px;background:#25D366;color:#fff;padding:18px;border-radius:50%;text-decoration:none}section{padding:60px 20px}