:root {
  --bg: #0b0d10;
  --panel: #14171c;
  --panel2: #1a1e24;
  --text: #f5f7fa;
  --muted: #a8b0bb;
  --border: #2a3038;
  --accent: #ffffff;
  --danger: #ff6b6b;
  --ok: #69db7c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top, #1a1d23 0, #0b0d10 42%),
    #0b0d10;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.wrap {
  width: min(760px, calc(100% - 28px));
  margin: 0 auto;
  padding: 38px 0 70px;
}

.card {
  background: rgba(20,23,28,.96);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px;
  box-shadow: 0 24px 80px rgba(0,0,0,.35);
}

.eyebrow {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: .16em;
  font-weight: 700;
  margin-bottom: 10px;
}

h1 {
  margin: 0 0 10px;
  font-size: clamp(30px, 7vw, 46px);
  line-height: 1;
}

h2 {
  margin: 8px 0 10px;
  font-size: 30px;
}

.intro, .success p {
  color: var(--muted);
  line-height: 1.6;
  margin: 0 0 28px;
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

label {
  display: block;
}

label > span {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: 650;
}

.full { grid-column: 1 / -1; }

input, select {
  width: 100%;
  border: 1px solid var(--border);
  background: var(--panel2);
  color: var(--text);
  border-radius: 11px;
  padding: 13px 14px;
  font: inherit;
  outline: none;
}

input:focus, select:focus {
  border-color: #6f7884;
}

::placeholder { color: #747d88; }

.check {
  display: flex;
  gap: 11px;
  align-items: flex-start;
  margin-top: 20px;
  color: var(--muted);
  line-height: 1.45;
  font-size: 14px;
}

.check input {
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  flex: 0 0 auto;
}

.check span {
  margin: 0;
  font-weight: 500;
}

button {
  width: 100%;
  margin-top: 24px;
  border: 0;
  border-radius: 11px;
  background: var(--accent);
  color: #090a0c;
  padding: 14px 18px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

button:disabled {
  opacity: .55;
  cursor: wait;
}

.message {
  min-height: 22px;
  margin: 14px 0 0;
  font-size: 14px;
  color: var(--danger);
  text-align: center;
}

.success {
  text-align: center;
  padding: 44px 28px;
}

.successIcon {
  margin: 0 auto 16px;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #16351d;
  color: var(--ok);
  font-size: 28px;
  font-weight: 900;
}

.hidden { display: none; }

@media (max-width: 640px) {
  .wrap { padding-top: 18px; }
  .card { padding: 22px 18px; border-radius: 14px; }
  .grid { grid-template-columns: 1fr; gap: 15px; }
  .full { grid-column: auto; }
}