:root {
  --bg: #0f1419;
  --card: #1a2332;
  --text: #e8eef4;
  --muted: #8b9cb3;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: radial-gradient(ellipse at top, #1e3a5f 0%, var(--bg) 55%);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.card {
  max-width: 480px;
  width: 100%;
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 32px 28px;
  text-align: center;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
}

.badge {
  display: inline-block;
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

h1 {
  margin: 0 0 16px;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.3;
}

.lead {
  margin: 0 0 24px;
  font-size: 1rem;
  line-height: 1.55;
  color: var(--muted);
}

.lead strong {
  color: var(--text);
}

.btn {
  display: inline-block;
  width: 100%;
  padding: 14px 20px;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  border-radius: 10px;
  text-decoration: none;
  transition: background 0.15s ease;
}

.btn:hover {
  background: var(--accent-hover);
}

.hint {
  margin: 20px 0 0;
  font-size: 0.85rem;
  line-height: 1.45;
  color: var(--muted);
}

.hint a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.hint a:hover {
  color: var(--accent-hover);
}

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

.footer-note {
  margin: 28px 0 0;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.82rem;
  line-height: 1.55;
  color: var(--muted);
}

.footer-note p {
  margin: 0;
}

.footer-note p + p {
  margin-top: 8px;
}

.footer-note a {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
}

.footer-note a:hover {
  color: var(--accent);
}

.footer-cartel strong {
  color: #f59e0b;
  font-weight: 700;
  letter-spacing: 0.04em;
}