:root {
  color-scheme: light dark;

  --bg: #fbfaf8;
  --fg: #1a1a19;
  --muted: #6b6b66;
  --rule: #e3e0da;
  --accent: #1c5d4a;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121311;
    --fg: #edece8;
    --muted: #9a9a93;
    --rule: #2b2c29;
    --accent: #7fc9ad;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem 1.5rem;

  background: var(--bg);
  color: var(--fg);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;
  font-size: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-wrap: pretty;
}

main {
  width: 100%;
  max-width: 34rem;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 1.5rem + 2.5vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.tagline {
  margin: 0.75rem 0 0;
  color: var(--muted);
}

hr {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 2rem 0;
}

.note {
  margin: 0;
  color: var(--muted);
  font-size: 0.9375rem;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

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

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

footer {
  margin-top: 2.5rem;
  color: var(--muted);
  font-size: 0.8125rem;
}