:root {
  color-scheme: light dark;
  --bg: #f4f4f5;
  --bg-accent: rgba(255, 255, 255, 0.7);
  --fg: #111111;
  --muted: #4b4b4b;
  --subtle: #7a7a7a;
  --line: rgba(17, 17, 17, 0.14);
  --shadow: rgba(17, 17, 17, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0b0c;
    --bg-accent: rgba(255, 255, 255, 0.03);
    --fg: #f5f5f5;
    --muted: #c8c8c8;
    --subtle: #8b8b8b;
    --line: rgba(255, 255, 255, 0.14);
    --shadow: rgba(0, 0, 0, 0.35);
  }
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at top, var(--bg-accent), transparent 48%),
    linear-gradient(var(--bg), var(--bg));
  color: var(--fg);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  text-rendering: optimizeLegibility;
}

.page {
  width: min(100%, 34rem);
  padding: 2rem;
  text-align: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2.25rem;
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--subtle);
  background: var(--bg-accent);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.24em;
}

.icon {
  width: 4.5rem;
  height: 4.5rem;
  margin: 0 auto 2rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg-accent);
  box-shadow: 0 16px 48px var(--shadow);
}

.icon svg {
  width: 1.5rem;
  height: 1.5rem;
  fill: currentColor;
}

.rule {
  width: 3.5rem;
  height: 1px;
  margin: 0 auto 1.75rem;
  background: var(--line);
}

h1 {
  margin: 0;
  font-size: clamp(2.4rem, 8vw, 4.9rem);
  line-height: 0.98;
  letter-spacing: -0.06em;
}

p {
  margin: 0.85rem 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.1rem);
  line-height: 1.6;
}

footer {
  margin-top: 4rem;
  color: var(--subtle);
  font-size: 0.92rem;
}