:root {
  --bg: #05070b;
  --card: rgba(12, 18, 28, 0.86);
  --text: #f8fafc;
  --muted: #c7d2de;
  --blue: #1f75ff;
  --red: #ef2439;
  --border: rgba(255, 255, 255, 0.14);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 10%, rgba(31, 117, 255, 0.28), transparent 32%),
    radial-gradient(circle at 80% 20%, rgba(239, 36, 57, 0.20), transparent 28%),
    linear-gradient(145deg, #05070b 0%, #0a1220 48%, #05070b 100%);
}

.page-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 28px;
}

.card {
  width: min(720px, 100%);
  padding: clamp(28px, 6vw, 56px);
  text-align: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 28px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(14px);
}

.logo {
  width: min(220px, 58vw);
  height: auto;
  border-radius: 50%;
  margin-bottom: 26px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2.35rem, 7vw, 5rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
}

.tagline {
  margin: 22px auto 0;
  color: #ffffff;
  font-size: clamp(1.1rem, 3vw, 1.55rem);
  font-weight: 700;
}

.message {
  max-width: 610px;
  margin: 20px auto 0;
  color: var(--muted);
  font-size: clamp(1rem, 2.5vw, 1.12rem);
  line-height: 1.7;
}

.buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 800;
  text-decoration: none;
  transition: transform 160ms ease, opacity 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
  opacity: 0.94;
}

.primary {
  color: white;
  background: linear-gradient(135deg, var(--red), #ff5b46);
}

.secondary {
  color: white;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.08);
}

@media (max-width: 520px) {
  .page-shell { padding: 18px; }
  .card { border-radius: 22px; }
  .button { width: 100%; }
}