:root {
  color-scheme: light;
  --paper: #f5f2ea;
  --surface: #fffefa;
  --ink: #18202c;
  --muted: #647080;
  --rule: #d9dde4;
  --accent: #647fae;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

main {
  width: min(720px, calc(100% - 40px));
  margin: 0 auto;
  padding: 56px 0 72px;
}

header {
  border-bottom: 1px solid var(--rule);
  margin-bottom: 36px;
  padding-bottom: 24px;
}

.wordmark {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
}

h1, h2 {
  margin: 0;
  line-height: 1.15;
}

h1 {
  margin-top: 18px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(34px, 8vw, 52px);
  font-weight: 400;
  letter-spacing: -.03em;
}

h2 {
  margin-top: 34px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}

p, ul { margin: 14px 0 0; }

ul { padding-left: 22px; }

a { color: var(--accent); }

.meta {
  color: var(--muted);
  font-size: 14px;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--rule);
  padding: 24px;
}

footer {
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 13px;
  margin-top: 42px;
  padding-top: 18px;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --paper: #111419;
    --surface: #181d24;
    --ink: #f4f1e9;
    --muted: #a9b2c0;
    --rule: #303844;
    --accent: #91a9d4;
  }
}

@media (max-width: 520px) {
  main { width: min(100% - 28px, 720px); padding-top: 34px; }
  .panel { padding: 20px; }
}