:root {
  color-scheme: dark;
  --bg: #07111f;
  --card: rgba(15, 23, 42, .82);
  --text: #e5f3ff;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --ok: #22c55e;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, .25), transparent 34rem),
    radial-gradient(circle at bottom right, rgba(34, 197, 94, .18), transparent 28rem),
    var(--bg);
}
.shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
}
.card {
  width: min(760px, 100%);
  padding: clamp(2rem, 6vw, 4rem);
  border: 1px solid rgba(148, 163, 184, .22);
  border-radius: 28px;
  background: var(--card);
  box-shadow: 0 24px 80px rgba(0, 0, 0, .35);
  backdrop-filter: blur(18px);
}
.eyebrow {
  margin: 0 0 .75rem;
  color: var(--accent);
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
  font-size: .78rem;
}
h1 {
  margin: 0;
  font-size: clamp(2.6rem, 9vw, 5.4rem);
  line-height: .92;
}
.lead {
  margin: 1.25rem 0 2rem;
  max-width: 54ch;
  color: var(--muted);
  font-size: 1.18rem;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}
.grid div {
  padding: 1rem;
  border-radius: 16px;
  background: rgba(15, 23, 42, .72);
  border: 1px solid rgba(148, 163, 184, .16);
}
span { display: block; color: var(--muted); font-size: .82rem; }
strong { display: block; margin-top: .4rem; color: var(--ok); font-size: 1.1rem; }
nav { display: flex; flex-wrap: wrap; gap: .8rem; }
a {
  color: #020617;
  background: var(--accent);
  padding: .8rem 1rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
}
a:hover { filter: brightness(1.08); }