:root {
  --bg: #fff;
  --fg: #242424;
  --muted: #6b6b6b;
  --line: #e6e6e6;
  --link: #0000ee;
  --max: 820px;
  --content-max: 680px;
  --ui-font: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --prose-font: Georgia, Cambria, "Times New Roman", Times, serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0b0b;
    --fg: #f2f2f2;
    --muted: #a8a8a8;
    --line: #222;
  }

  a {
    color: #d7e7ff;
  }
}

html {
  scrollbar-gutter: stable;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
}

body {
  font: 16px/1.5 var(--ui-font);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

a[href^="http://"],
a[href^="https://"] {
  color: var(--link);
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 56px 18px 80px;
}

header {
  margin-bottom: 44px;
}

.site-nav {
  margin-top: 18px;
  margin-bottom: 40px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.site-nav a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.site-nav a:hover {
  border-bottom-color: var(--muted);
}

.site-name {
  font-weight: 600;
}

main {
  max-width: var(--content-max);
}

h1 {
  font-family: var(--ui-font);
  font-size: 44px;
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.035em;
  margin: 0 0 16px;
}

h2 {
  font-family: var(--ui-font);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
  margin: 44px 0 16px;
}

h3 {
  font-family: var(--ui-font);
  font-size: 18px;
  line-height: 1.3;
  letter-spacing: -0.012em;
  margin: 32px 0 12px;
}

main p,
main li {
  font-family: var(--prose-font);
  font-size: 19px;
  line-height: 1.65;
  letter-spacing: -0.003em;
}

main ul,
main ol {
  padding-left: 24px;
}

main li {
  margin: 8px 0;
}

main a {
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

main strong {
  font-family: var(--ui-font);
  font-weight: 600;
}

hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 44px 0;
}

/* Homepage archive list */
.article-list {
  border-top: 1px solid var(--line);
}

.article-summary {
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.article-summary h3 {
  margin: 0 0 8px;
  font-size: 22px;
}

.article-summary h3 a {
  color: inherit;
}

.article-excerpt {
  margin: 0;
  color: var(--muted);
  font-family: var(--prose-font);
  font-size: 15px;
  line-height: 1.4;
}

footer {
  margin-top: 96px;
  color: var(--muted);
  font-family: var(--ui-font);
  font-size: 13px;
}

footer a {
  color: inherit;
}

@media (max-width: 600px) {
  .wrap {
    padding-top: 36px;
  }

  h1 {
    font-size: 34px;
  }

  h2 {
    font-size: 22px;
  }

  main p,
  main li {
    font-size: 18px;
  }
}