*{box-sizing:border-box}body{margin:0;background:#0d1117;color:#e6edf3;font-family:Inter,system-ui,sans-serif}
nav{display:flex;gap:.5rem;align-items:center;padding:1rem 1.25rem;border-bottom:1px solid #222}
.logo{width:28px;height:28px}
header{max-width:900px;margin:5rem auto;text-align:center;padding:0 1rem}
h1{font-size:2.2rem;margin-bottom:.5rem}
a{color:#ffcc33}
.btn{display:inline-block;margin-top:1.2rem;padding:.7rem 1.1rem;background:#ff6b35;color:#0d1117;border-radius:10px;text-decoration:none;font-weight:700}
footer{opacity:.7;text-align:center;padding:2rem 0;border-top:1px solid #222;margin-top:5rem}