body{font-family:Arial;margin:0}
.container{max-width:1100px;margin:auto;padding:20px}
.nav{display:flex;justify-content:space-between}
.hero{text-align:center;padding:80px;background:#f4f4f4}
.btn-primary{background:#e85d04;color:#fff;padding:10px;text-decoration:none}