:root {
  --bg: #fbfaf7;
  --fg: #1f1d1a;
  --muted: #6b665e;
  --line: #e4e0d8;
  --accent: #2f6f5e;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161514;
    --fg: #ece9e3;
    --muted: #a39d93;
    --line: #2e2c29;
    --accent: #7cc3ad;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

main, header, footer {
  max-width: 42rem;
  margin: 0 auto;
  padding: 0 1rem;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-top: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.brand {
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
  color: var(--fg);
  text-decoration: none;
}

nav a { margin-left: 1rem; }

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

h1 { font-size: 2rem; line-height: 1.2; letter-spacing: -0.02em; margin: 2.5rem 0 0.5rem; }
h2 { font-size: 1.15rem; margin: 2rem 0 0.5rem; }

.lede { font-size: 1.15rem; color: var(--muted); margin-top: 0; }
.meta { color: var(--muted); font-size: 0.9rem; }

code {
  font: 0.85em/1.4 ui-monospace, SFMono-Regular, Menlo, monospace;
  background: var(--line);
  padding: 0.1em 0.35em;
  border-radius: 4px;
  overflow-wrap: anywhere;
}

ul { padding-left: 1.25rem; }
li { margin: 0.25rem 0; }

footer {
  margin-top: 3rem;
  padding-top: 1rem;
  padding-bottom: 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}