:root {
  --bg: #faf8f4;
  --fg: #1d1b18;
  --muted: #615b52;
  --accent: #8a5a2b;
  --rule: #e4ded3;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161412;
    --fg: #ece7df;
    --muted: #a59d91;
    --accent: #d9a46b;
    --rule: #2d2925;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
  width: 100%;
  max-width: 40rem;
  margin: 0 auto;
  padding: 18vh 16px 3rem;
}

.mark { display: block; margin-bottom: 1.25rem; }

h1 { font-size: 2.25rem; line-height: 1.15; margin: 0 0 .5rem; letter-spacing: -0.02em; }
h2 { font-size: 1rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin: 0 0 .5rem; }

.lede { font-size: 1.2rem; color: var(--muted); margin: 0 0 3rem; }

section { border-top: 1px solid var(--rule); padding-top: 1.25rem; margin-bottom: 2rem; }
section p { margin: 0; }

a { color: var(--accent); text-underline-offset: 3px; }

footer {
  max-width: 40rem;
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem 16px 2.5rem;
  color: var(--muted);
  font-size: .875rem;
}
footer p { margin: 0; }