:root {
  --bg: #f6f2ea;
  --ink: #1f1c18;
  --muted: #6b645a;
  --line: #ddd5c7;
  --brick: #9c3b25;
  --measure: 34rem;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #1a1816;
    --ink: #ece6dc;
    --muted: #a39b8f;
    --line: #36322d;
    --brick: #d9735a;
  }
}

:root[data-theme="dark"] {
  --bg: #1a1816;
  --ink: #ece6dc;
  --muted: #a39b8f;
  --line: #36322d;
  --brick: #d9735a;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.wrap {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 3.5rem 1rem 4rem;
}

header {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 3.5rem;
}

header a {
  color: inherit;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.mark { width: 34px; height: 22px; color: var(--brick); flex: none; }

h1, h2 {
  font-family: ui-serif, "New York", Georgia, "Times New Roman", serif;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

h1 { font-size: 2.1rem; margin: 0 0 1.2rem; }
h2 { font-size: 1.25rem; margin: 2.8rem 0 0.6rem; }

p { margin: 0 0 1rem; }

.lede { font-size: 1.15rem; }

a { color: var(--brick); text-underline-offset: 0.15em; }

.muted { color: var(--muted); }

ul { padding-left: 1.2rem; margin: 0 0 1rem; }
li { margin-bottom: 0.4rem; }

hr { border: 0; border-top: 1px solid var(--line); margin: 3rem 0 1.5rem; }

footer { font-size: 0.85rem; color: var(--muted); }
footer a { color: var(--muted); margin-right: 1rem; }