body{font-family:Arial,sans-serif;margin:0;color:#222}
header{background:#111;color:#fff;padding:20px;position:sticky;top:0}
nav a{color:#fff;text-decoration:none;margin-right:15px}
.hero{background:#f5f5f7;padding:80px 20px;text-align:center}
.btn{display:inline-block;background:#0071e3;color:#fff;padding:12px 20px;border-radius:8px;text-decoration:none}
.section{padding:50px 20px;max-width:1100px;margin:auto}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.card{border:1px solid #ddd;border-radius:12px;padding:20px}
footer{background:#111;color:#fff;padding:30px;text-align:center}
.lang{font-size:0.9em;color:#666}
form input,form textarea{width:100%;padding:10px;margin:8px 0}