*{box-sizing:border-box}body{margin:0;font-family:Arial,sans-serif;background:#111;color:#fff}
.hero{height:90vh;background:linear-gradient(rgba(0,0,0,.55),rgba(0,0,0,.6)),url("https://images.unsplash.com/photo-1503376780353-7e6692767b70?auto=format&fit=crop&w=1600&q=80") center/cover;display:flex;align-items:center;justify-content:center;text-align:center}
.overlay{padding:20px}
h1{font-size:3.5rem;margin:0;color:#ffb000}
.btn{display:inline-block;margin-top:20px;padding:14px 28px;background:#ffb000;color:#111;text-decoration:none;border-radius:30px;font-weight:bold}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;padding:50px;background:#1a1a1a}
.card{background:#222;padding:25px;border-radius:12px}
.contact{padding:50px;text-align:center}
footer{text-align:center;padding:20px;background:#000;color:#bbb}
@media(max-width:700px){h1{font-size:2.3rem}.hero{height:70vh}}