body{margin:0;font-family:Arial,sans-serif;background:#f5f7fb;color:#222}nav{display:flex;justify-content:space-between;padding:15px 8%;background:#1565c0;color:#fff;position:sticky;top:0}h1,h2{text-align:center}.hero{padding:80px 20px;background:linear-gradient(#1565c0,#42a5f5);color:#fff;text-align:center}.btn{background:#ff9800;color:#fff;padding:10px 18px;text-decoration:none;border-radius:6px;border:none;display:inline-block;cursor:pointer}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:15px;padding:20px}.card{background:#fff;padding:20px;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,.1);text-align:center}section{padding:40px 8%}form{display:flex;flex-direction:column;gap:10px;max-width:500px;margin:auto}input,textarea{padding:10px}#wa{position:fixed;right:20px;bottom:20px;background:#25D366;color:#fff;padding:14px;border-radius:50px;text-decoration:none}