body{margin:0;font-family:Arial;background:#0b0b0b;color:#eee}
header{display:flex;justify-content:space-between;align-items:center;padding:20px;background:#000}
nav a{color:#eee;margin:0 10px;text-decoration:none}
.hero{text-align:center;padding:100px 20px;background:#1a1a1a}
section{padding:60px 20px;max-width:1200px;margin:auto}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:15px}

footer{text-align:center;padding:20px;background:#000}
input,textarea,button{width:100%;padding:10px;margin-bottom:10px}
button{background:#b91c1c;color:#fff;border:none}