:root {
  color-scheme: light;
  --background: #fbf8f0;
  --ink: #2b241c;
  --ink-soft: #5a5142;
  --rule: #cfc3a8;
  --accent: #b3502b;
  --accent-soft: #e8d9b3;
  --code-bg: #2b241c;
  --code-fg: #f4efe4;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --background: #1c1a17;
    --ink: #e8e1d3;
    --ink-soft: #b8ae9c;
    --rule: #4a4237;
    --accent: #e2916a;
    --accent-soft: #3a2f22;
    --code-bg: #14120f;
    --code-fg: #e8e1d3;
  }
}

html {
  box-sizing: border-box;
}
*, *:before, *:after {
  box-sizing: inherit;
}

body {
  max-width: 41em;
  margin: 0 auto;
  padding: 6.25em 1.25em;
  background: var(--background);
  color: var(--ink);
  font-family: "Source Serif 4", Georgia, serif;
  line-height: 1.7;
}

@media (max-width: 720px) {
  body { padding: 1.25em; }
}

.fancy-mono {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

header.main {
  display: flex;
  align-items: baseline;
  justify-content: space-between;

  /* bottom separator */
  padding-bottom: 1rem;
  margin-bottom: 2.25rem;
  border-bottom: 3px double var(--rule);
}

header.main nav ul {
  list-style: none;
  display: flex;
  gap: 1.8rem;
  padding: 0;
  margin: 0;

  /* .fancy-mono */
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* undecorate nav links */
header.main nav ul li { padding: 0; margin: 0; }
header.main nav ul li::marker { content: none; }
header.main nav ul li a { color: var(--accent); text-decoration: none; }
header.main nav ul li a:hover { text-decoration: underline; }

header.main span.mark {
  /* .fancy-mono */
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
}

footer.main {
  margin-top: 3rem;
  padding-top: 1.8rem;
  border-top: 3px double var(--rule);
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: small;
  color: var(--ink-soft);
}

hr {
  border: none;
  border-top: 1px dashed var(--rule);
  margin: 2.6rem 0;
}

article header .meta {
  color: var(--accent);
  margin-bottom: 0.6rem;

  /* .fancy-mono */
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1.title {
  /* font-weight: 600; */
  line-height: 1.25;
  color: var(--ink);
  margin: 0 0 1.75rem;
}

h2 {
  margin: 2.4rem 0 0.9rem;
  padding-bottom: 0.3rem;
  border-bottom: 1px solid var(--rule);
}

h3 { margin: 1.8rem 0 0.6rem; }

a {
  color: var(--accent);
  text-decoration: dotted underline;
}

a:hover { text-decoration: underline; }

ul, ol { padding-left: 1.6rem; }
li { margin-bottom: 0.4rem; }

li::marker {
  color: var(--accent);
  font-family: ui-monospace, "JetBrains Mono", monospace;
  font-size: 0.9em;
}

blockquote {
  margin: 1.6rem 0;
  padding: 0.6rem 0 0.6rem 1.2rem;
  border-left: 3px solid var(--accent-soft);
  color: var(--ink-soft);
}

blockquote p:first-child { margin-top: 0; }
blockquote p:last-child { margin-bottom: 0; }

code {
  font-family: ui-monospace, "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.88em;
  background: var(--accent-soft);
  color: var(--ink);
  padding: 0.1em 0.35em;
  border-radius: 3px;
}

pre {
  margin: 1.6rem 0;
  padding: 1.1rem 1.25rem;
  overflow-x: auto;
  background: var(--code-bg);
  color: var(--code-fg);
  border-radius: 4px;
}

pre code {
  background: none;
  color: inherit;
  padding: 0;
  font-size: 0.85rem;
  line-height: 1.6;
}

p.back-to-top {
  padding-top: 1em;
  text-align: center;
}