:root {
  --bg: #0b0f14;
  --card: #121826;
  --text: #e8eef6;
  --muted: #b7c3d6;
  --line: rgba(255,255,255,0.12);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  background: radial-gradient(1200px 600px at 20% 10%, #1a2440 0%, var(--bg) 60%);
  color: var(--text);
}

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

.card {
  width: min(920px, 100%);
  background: rgba(18, 24, 38, 0.9);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px;
  backdrop-filter: blur(10px);
}

h1 {
  margin: 0 0 8px;
  font-size: 40px;
  letter-spacing: 0.2px;
}

.tagline {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 18px;
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

@media (min-width: 760px) {
  .grid { grid-template-columns: 1fr 1fr; }
}

h2 {
  margin: 0 0 10px;
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}

ul { margin: 0; padding-left: 18px; }
li { margin: 6px 0; }

a { color: #9fd3ff; text-decoration: none; }
a:hover { text-decoration: underline; }

.note { color: var(--muted); margin-top: 10px; }
footer { margin-top: 18px; color: var(--muted); }