body{margin:0;font-family:Arial,sans-serif;background:#111;color:#fff}
header{position:fixed;top:0;width:100%;display:flex;justify-content:space-between;padding:15px 40px;background:#000c}
nav a{color:#fff;text-decoration:none;margin:0 12px}
.hero{height:100vh;background:linear-gradient(rgba(0,0,0,.5),rgba(0,0,0,.7)),url('../assets/hero.jpg') center/cover;display:flex;align-items:center;justify-content:center;text-align:center}
.btn{background:#d60000;color:#fff;padding:14px 28px;text-decoration:none;border-radius:6px}
section{padding:80px 40px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.card{background:#222;padding:25px;border-radius:10px;text-align:center}
footer{background:#000;padding:20px;text-align:center}