body{font-family:Arial;background:#0f0f0f;color:#ddd;margin:0}
.container{width:90%;max-width:1200px;margin:auto}
header{background:#000;padding:10px 0;position:fixed;width:100%}
.nav{display:flex;justify-content:space-between;align-items:center}
.logo-img{height:60px}
nav a{color:#fff;margin-left:20px;text-decoration:none;font-weight:bold}
.hero{height:100vh;background:#111;color:#fff;display:flex;align-items:center;justify-content:center;text-align:center;padding-top:80px}
.btn{background:#f5a623;color:#000;padding:12px 25px;text-decoration:none;font-weight:bold}
footer{background:#000;padding:20px;text-align:center}
.whatsapp{position:fixed;bottom:20px;right:20px;background:#25D366;color:#fff;padding:15px;border-radius:50px;text-decoration:none}