body{margin:0;font-family:Arial,sans-serif;background:#111;color:#f5f5f5}
nav{display:flex;justify-content:space-between;align-items:center;padding:20px 10%}
.hero{background:linear-gradient(135deg,#222,#111);min-height:60vh}
.hero-content{padding:80px 10%;max-width:700px}
h1,h2,h3{margin:0 0 15px}
h2{font-size:3rem}
.btn{background:#f97316;color:white;padding:12px 20px;border-radius:8px;text-decoration:none}
.features,.products{padding:60px 10%}
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.card{background:#1f1f1f;padding:25px;border-radius:12px;border:1px solid #333}
footer{text-align:center;padding:30px;color:#aaa}