*{box-sizing:border-box}
html,body{height:100%;margin:0;background:#272727}
body{font-family:Montserrat,system-ui,Segoe UI,Roboto,Arial,sans-serif;color:#fff}
.wrap{min-height:100%;display:grid;place-items:center;text-align:center;padding:24px}
nav{display:flex;gap:24px;justify-content:center;align-items:center;font-weight:600}
nav a{color:#fff;text-decoration:none;opacity:.9}
nav a:hover{opacity:1}
.cta{margin-top:28px}
.btn{display:inline-block;padding:12px 18px;border:1px solid rgba(255,255,255,.6);border-radius:10px;color:#fff;text-decoration:none;font-weight:600}
.btn:hover{background:rgba(255,255,255,.1)}
.stack{display:flex;flex-direction:column;gap:18px;align-items:center}