:root {
  --bg: #fafaf8; --fg: #1f2328; --muted: #6a737d; --line: #e4e2dc;
  --accent: #2266aa; --accent-fg: #ffffff; --card: #ffffff; --code: #f0efeb;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16181d; --fg: #e6e6e3; --muted: #9aa0a6; --line: #2c2f36;
    --accent: #6aa7dd; --accent-fg: #10151c; --card: #1d2026; --code: #22252c;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        Helvetica, Arial, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
header.site {
  border-bottom: 1px solid var(--line);
}
.site-inner {
  max-width: 880px; margin: 0 auto; padding: 18px 20px;
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 26px;
}
.wordmark { font-size: 1.25em; font-weight: 700; color: var(--fg); }
.wordmark span { color: var(--accent); }
nav.main { display: flex; flex-wrap: wrap; gap: 4px 22px; margin-left: auto; }
nav.main a { color: var(--muted); font-size: 0.95em; }
nav.main a:hover { color: var(--accent); text-decoration: none; }
main { max-width: 880px; margin: 0 auto; padding: 36px 20px 24px; }
article.prose { max-width: 700px; }
.prose h1 { font-size: 1.9em; line-height: 1.25; margin: 0 0 6px; }
.prose .meta { color: var(--muted); font-size: 0.9em; margin-bottom: 28px; }
.prose img { max-width: 100%; height: auto; border-radius: 6px; }
.prose pre, .prose code {
  background: var(--code); border-radius: 5px;
  font: 0.88em/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.prose code { padding: 2px 5px; }
.prose pre { padding: 14px 16px; overflow-x: auto; }
.prose pre code { padding: 0; background: none; }
.prose blockquote {
  margin: 1em 0; padding: 2px 18px; border-left: 3px solid var(--accent);
  color: var(--muted);
}
.hero { padding: 34px 0 10px; max-width: 720px; }
.hero h1 { font-size: 2.5em; line-height: 1.15; margin: 0 0 14px; }
.hero p.lead { font-size: 1.18em; color: var(--muted); }
.btn {
  display: inline-block; background: var(--accent); color: var(--accent-fg);
  padding: 10px 22px; border-radius: 7px; font-weight: 600; margin-top: 10px;
}
.btn:hover { text-decoration: none; filter: brightness(1.08); }
h2.section { font-size: 1.05em; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--muted); margin: 48px 0 16px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 14px; padding: 0; list-style: none; margin: 0; }
.grid li { background: var(--card); border: 1px solid var(--line);
  border-radius: 8px; }
.grid a { display: block; padding: 14px 16px; color: var(--fg); font-weight: 600; }
.grid a:hover { border-color: var(--accent); color: var(--accent);
  text-decoration: none; }
ul.post-list { list-style: none; padding: 0; margin: 0; max-width: 700px; }
ul.post-list li { display: flex; gap: 18px; padding: 9px 0;
  border-bottom: 1px solid var(--line); }
ul.post-list time { color: var(--muted); font-size: 0.88em; flex: 0 0 7.5em;
  padding-top: 2px; }
.yearhead { font-size: 1.2em; margin: 34px 0 6px; }
nav.pn { display: flex; justify-content: space-between; gap: 20px;
  margin-top: 44px; padding-top: 18px; border-top: 1px solid var(--line);
  font-size: 0.93em; }
footer.site {
  border-top: 1px solid var(--line); margin-top: 56px;
  color: var(--muted); font-size: 0.88em;
}
footer.site .site-inner { display: flex; flex-wrap: wrap; gap: 8px 24px; }
footer.site a { color: var(--muted); }