:root {
  --bg: #0a0e1a;
  --fg: #e8eef9;
  --muted: #6b7a99;
  --accent: #6b9cff;
  --max-w: 640px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family:
    ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 4rem 1.5rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 2rem;
}

h1 {
  font-size: clamp(2rem, 6vw, 3rem);
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

.tagline {
  color: var(--muted);
  font-size: 1.125rem;
  margin: 0;
}

.note {
  color: var(--muted);
  font-size: 0.875rem;
}

footer {
  color: var(--muted);
  font-size: 0.75rem;
}