:root {
  --bg: #fdfcfa;
  --text: #1f2933;
  --muted: #52606d;
  --accent: #2f6f6b;
  --rule: #e4e0d8;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14181b;
    --text: #eef1f3;
    --muted: #a7b0b8;
    --accent: #7fc4bd;
    --rule: #2a3136;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  padding: 0 1.5rem;
  background: var(--bg);
  color: var(--text);
  font-family: ui-serif, Georgia, "Times New Roman", serif;
  font-size: 1.0625rem;
  line-height: 1.65;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  width: 100%;
  max-width: 36rem;
  margin: 0 auto;
  padding: 4.5rem 0 3rem;
  flex: 1;
}

h1 {
  margin: 0 0 1.5rem;
  font-size: 2rem;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

p { margin: 0 0 1.25rem; }

p.meta {
  color: var(--muted);
  font-size: 0.9375rem;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

a:hover { text-decoration: none; }

footer {
  width: 100%;
  max-width: 36rem;
  margin: 0 auto;
  padding: 1.5rem 0 2.5rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.875rem;
}

@media (min-width: 40rem) {
  h1 { font-size: 2.5rem; }
  main { padding-top: 6rem; }
}