* { box-sizing: border-box; }

:root {
  color-scheme: dark;
  --bg: #0b0f14;
  --panel: rgba(18, 25, 34, 0.82);
  --line: rgba(255,255,255,.13);
  --text: #f4f7fa;
  --muted: #9ba9b7;
  --accent: #7fd0ff;
}

html, body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at 15% 20%, rgba(48, 120, 170, .20), transparent 35%),
    radial-gradient(circle at 85% 80%, rgba(30, 80, 120, .12), transparent 35%),
    var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
}

body { min-height: 100vh; }

.shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px;
}

.card {
  width: min(900px, 100%);
  padding: clamp(36px, 7vw, 76px);
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(18px);
  box-shadow: 0 24px 80px rgba(0,0,0,.35);
}

.eyebrow {
  font-size: .78rem;
  letter-spacing: .28em;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 26px;
}

h1 {
  margin: 0;
  font-size: clamp(3rem, 9vw, 7rem);
  line-height: .88;
  letter-spacing: -.055em;
}

h1 span {
  color: var(--muted);
  font-weight: 500;
  font-size: .52em;
  letter-spacing: -.03em;
}

.lead {
  max-width: 680px;
  margin: 34px 0 0;
  color: #c6d0d9;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.6;
}

.divider {
  height: 1px;
  background: var(--line);
  margin: 44px 0 28px;
}

.status {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
}

.subtle {
  color: var(--muted);
  margin: 8px 0 0;
}

footer {
  margin-top: 56px;
  color: #748291;
  font-size: .82rem;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.dot { opacity: .55; }

@media (max-width: 560px) {
  .shell { padding: 18px; }
  .card { padding: 32px 24px; }
}