:root {
  --bg: #0f1419;
  --card: #1a2332;
  --text: #e8eef7;
  --muted: #8b9bb4;
  --accent: #3d9cf0;
  --ok: #3ecf8e;
  font-family: "Segoe UI", system-ui, sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: radial-gradient(ellipse at top, #1a2a40, var(--bg));
  color: var(--text);
  min-height: 100vh;
}
.hero {
  max-width: 40rem;
  margin: 0 auto;
  padding: 3rem 1.25rem 1.5rem;
  text-align: center;
}
.badge {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--muted);
  border: 1px solid #2a3a52;
  border-radius: 999px;
  padding: 0.25rem 0.75rem;
}
h1 { font-size: 2rem; margin: 1rem 0 0.5rem; }
.promise { color: var(--muted); line-height: 1.5; }
.cta {
  display: inline-block;
  margin-top: 1.25rem;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  padding: 0.7rem 1.4rem;
  border-radius: 0.5rem;
  font-weight: 600;
}
main { max-width: 28rem; margin: 0 auto; padding: 0 1.25rem 3rem; }
.card {
  background: var(--card);
  border: 1px solid #2a3a52;
  border-radius: 0.75rem;
  padding: 1.25rem;
  margin-bottom: 1rem;
}
label { display: block; margin-bottom: 0.75rem; font-size: 0.9rem; }
input {
  display: block;
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.6rem 0.75rem;
  border-radius: 0.4rem;
  border: 1px solid #2a3a52;
  background: #0f1419;
  color: var(--text);
}
button {
  width: 100%;
  padding: 0.75rem;
  border: 0;
  border-radius: 0.5rem;
  background: var(--ok);
  color: #0a1a12;
  font-weight: 700;
  cursor: pointer;
}
.thanks { color: var(--ok); margin-top: 0.75rem; }
.muted { color: var(--muted); font-size: 0.85rem; }
.meta { font-size: 0.8rem; color: var(--muted); }
code { color: #9ecbff; }
a { color: var(--accent); }