:root {
  --bg: #0b0c10;
  --panel: #121317;
  --text: #e6e6e6;
  --muted: #a7abb3;
  --accent: #7aa2ff;
  --radius: 16px;
  --maxw: 720px;
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
  background: radial-gradient(1200px 800px at 50% -10%, #151823 0%, var(--bg) 60%);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.wrap {
  min-height: 100%;
  display: grid;
  place-items: center;
  padding: 6vh 16px;
}

.card {
  width: 100%;
  max-width: var(--maxw);
  background: linear-gradient(180deg, #171a22 0%, var(--panel) 100%);
  border: 1px solid #232635;
  box-shadow:
    0 10px 30px rgba(0,0,0,.35),
    inset 0 1px 0 rgba(255,255,255,.04);
  border-radius: var(--radius);
  padding: clamp(20px, 3vw, 40px);
}

h1 {
  margin: 0 0 .25em 0;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

p { margin: 0 0 1em 0; }

a {
  color: var(--accent);
  text-underline-offset: 2px;
  text-decoration-thickness: 1px;
}

a:hover,
a:focus {
  text-decoration-thickness: 2px;
}

.fineprint {
  margin-top: 1.5rem;
  color: var(--muted);
  font-size: .9rem;
  border-top: 1px solid #232635;
  padding-top: 1rem;
}