:root {
  --bg: #0b1220;
  --panel: rgba(13, 19, 33, 0.86);
  --text: #f3f7fb;
  --muted: #a9b6cb;
  --line: rgba(255, 255, 255, 0.12);
  --accent: #ffb347;
  --accent-strong: #ff8c32;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(255, 179, 71, 0.18), transparent 38%),
    linear-gradient(180deg, #0b1220 0%, #111a2d 100%);
}

.shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.card {
  width: min(100%, 760px);
  padding: 40px 32px;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

.eyebrow {
  margin: 0 0 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.8rem;
  color: var(--accent);
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.05;
}

.lead {
  margin: 16px 0 0;
  max-width: 42rem;
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--muted);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
}

.button.primary {
  color: #111827;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
}

.button.ghost {
  color: var(--text);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

@media (max-width: 640px) {
  .card {
    padding: 28px 20px;
    border-radius: 18px;
  }

  .lead {
    font-size: 1rem;
  }
}