:root {
  color-scheme: light;
  --navy: #0b1b33;
  --gold: #d6a843;
  --ink: #14243b;
  --muted: #5c6b80;
  --line: #e4e9f1;
  --bg: #f4f6fb;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px 16px;
  font-family: Arial, Helvetica, sans-serif;
  background:
    radial-gradient(900px 420px at 10% -10%, rgba(214, 168, 67, 0.28), transparent 60%),
    linear-gradient(180deg, #102544 0%, var(--bg) 42%);
  color: var(--ink);
}

.card {
  width: min(480px, 100%);
  background: #fff;
  border-radius: 22px;
  padding: 28px 24px 24px;
  box-shadow: 0 24px 60px -28px rgba(11, 27, 51, 0.55);
}

.kicker {
  margin: 0 0 8px;
  color: #8a6410;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: 1.85rem;
  color: var(--navy);
}

.lede {
  margin: 8px 0 18px;
  color: var(--muted);
  line-height: 1.45;
}

form {
  display: grid;
  gap: 14px;
}

label {
  display: grid;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--navy);
}

input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 1rem;
  color: var(--ink);
}

input:focus {
  outline: 2px solid rgba(214, 168, 67, 0.7);
  border-color: var(--gold);
}

.hint {
  font-weight: 600;
  color: var(--muted);
}

button {
  margin-top: 4px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, #ffe7a8, var(--gold));
  color: var(--navy);
  font-weight: 900;
  font-size: 1rem;
  padding: 14px 18px;
  cursor: pointer;
}

button:disabled {
  opacity: 0.6;
  cursor: wait;
}

.status {
  margin: 0;
  padding: 10px 12px;
  border-radius: 10px;
  background: #fff7ed;
  color: #9a3412;
  font-size: 0.88rem;
  line-height: 1.4;
}

.thanks h2 {
  margin: 0 0 8px;
  color: #047857;
}

.thanks p {
  margin: 0;
  color: var(--muted);
}