body{font-family:-apple-system,BlinkMacSystemFont,sans-serif;margin:0;background:#fff;color:#111;text-align:center}
header{padding:20px;border-bottom:1px solid #eee}
nav a{margin:6px;padding:10px 14px;border:1px solid #ddd;border-radius:10px;text-decoration:none;color:#111}
main{padding:60px 20px;max-width:900px;margin:auto}
.logo{max-width:140px;margin:20px auto}
input{display:block;margin:10px auto;padding:14px;width:260px;border:1px solid #ddd;border-radius:8px}
button{padding:14px 18px;background:#111;color:#fff;border:none;border-radius:8px}
.cta{display:inline-block;margin:16px;padding:16px 22px;border:1px solid #000;text-decoration:none;color:#000}
.section{text-align:left;margin-top:30px}