body{font-family:-apple-system,system-ui,sans-serif;background:#04211f;color:#e2f5f3;display:grid;place-items:center;min-height:100vh;margin:0}
  .box{background:#0d151c;border:1px solid #0d9488;border-radius:14px;padding:36px 32px;width:360px;max-width:90vw;text-align:center}
  h1{color:#36b6b0;margin:0 0 4px;font-size:24px}
  .slogan{color:#5C6C69;margin:0 0 12px;font-size:14px}
  p.pitch{color:#94a3b8;font-size:14px;line-height:1.55;margin:0 0 24px}
  button{width:100%;padding:12px;border:0;border-radius:8px;font-weight:700;cursor:pointer;font-size:15px}
  #btnOwner{background:#36b6b0;color:#04211f;margin-bottom:10px}
  #btnOwner:hover{background:#2a9a94}
  #btnBilling{background:transparent;color:#99f6e4;border:1px solid #0d9488}
  #btnBilling:hover{background:#0b3b38}
  .note{color:#64748b;font-size:12px;margin-top:18px}
  .err{color:#e5484d;font-size:13px;min-height:18px;margin-top:12px}
.note-tight{margin-top:6px}
  .brand{display:block;width:100%;max-width:280px;height:auto;margin:0 auto 14px}