body{font-family:Arial;background:#0f0f0f;color:#ddd;margin:0}
.container{width:90%;max-width:1200px;margin:auto}
.hero{height:100vh;background:#111;color:#fff;display:flex;align-items:center;justify-content:center;text-align:center}
.btn{background:#f5a623;color:#000;padding:12px 25px;text-decoration:none;font-weight:bold}
.section{padding:80px 0}
.dark{background:#1a1a1a}
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}
.card{background:#222;padding:20px}
.card img{width:100%;height:200px;object-fit:cover}
iframe{width:100%;height:400px;border:0;margin-top:20px}
.whatsapp{position:fixed;bottom:20px;right:20px;background:#25D366;color:#fff;padding:15px;border-radius:50px;text-decoration:none}