:root {
  /* identity: wordmark, nav, headings, agenda titles, inline code */
  --mono: "Source Code Pro", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  /* running text: sub-bullets and expanded notes */
  --prose: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
           "Noto Sans", "DejaVu Sans", Arial, sans-serif;

  --ink: #2e2e2e;
  --ink-soft: #474747;
  --ink-faint: #8c8c8c;
  --accent: #d8842a;
  --link: #b4670f;
  --rule: rgba(0, 0, 0, 0.16);

  --indent: 2.2rem;
  --sub-indent: 1.7rem;
}

html {
  color: var(--ink);
  font-family: var(--mono);
  -webkit-text-size-adjust: 100%;
}

body {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
}

hr {
  border-style: dashed;
  border-width: 0.0625rem 0 0.0625rem 0;
  height: 0.1rem;
}

h2 {
  font-size: 1.5rem;
}

footer, hr {
  opacity: 0.4;
}

footer a {
  color: #333;
}

time {
  opacity: 0.8;
}

footer, header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header > nav > a {
  color: #333;
  opacity: 0.55;
  font-size: 1.05rem;
}

a {
  color: var(--link);
  text-decoration: none;
}

header > a {
  font-size: 2.2rem;
}

.posts,
.posts li {
  font-size: 1.05rem;
}

@font-face {
  font-family: 'Source Code Pro';
  src: url('/SourceCodePro-Regular.ttf.woff2') format('woff2');
  font-display: swap;
}