:root {
  --bg: #242629;
  --surface: #2b2e31;
  --text: #f1f3f4;
  --muted: #b5bbc0;
  --border: #454a4f;
  --accent: #5ab4d6;
  --accent-hover: #8bd1e8;
  --focus: #f5c36a;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --content: 48rem;
  --site: 70rem;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--sans); font-size: 1rem; line-height: 1.65; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); text-decoration: underline; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
img { max-width: 100%; height: auto; }
.container { width: min(calc(100% - 3rem), var(--site)); margin-inline: auto; }

.skip-link { position: absolute; top: -4rem; left: 1rem; z-index: 10; padding: 0.5rem 0.75rem; background: var(--surface); color: var(--text); }
.skip-link:focus { top: 1rem; }
.masthead { border-bottom: 1px solid var(--border); }
.masthead__inner { min-height: 4.5rem; display: flex; align-items: center; }
.site-nav { width: 100%; display: flex; align-items: baseline; justify-content: space-between; gap: 2rem; }
.site-nav__home { color: var(--text); font-size: 1.05rem; font-weight: 600; }
.site-nav__home:hover { color: var(--accent-hover); text-decoration: none; }
.site-nav__links { display: flex; flex-wrap: wrap; gap: 1.25rem; }
.site-nav__links a { color: var(--muted); font-size: 0.95rem; }
.site-nav__links a:hover, .site-nav__links a[aria-current="page"] { color: var(--text); }

.site-layout { display: grid; grid-template-columns: 13rem minmax(0, var(--content)); gap: 4rem; padding-top: 3.5rem; padding-bottom: 4rem; }
.sidebar { align-self: start; position: sticky; top: 2rem; color: var(--muted); font-size: 0.9rem; }
.sidebar__avatar { display: block; width: 10rem; height: 10rem; object-fit: cover; border-radius: 50%; border: 1px solid var(--border); }
.sidebar h2 { margin: 1rem 0 0.25rem; color: var(--text); font-size: 1.25rem; font-weight: 600; }
.sidebar p { margin: 0 0 0.75rem; line-height: 1.5; }
.sidebar__role { color: var(--text); }
.sidebar__links { margin: 1.25rem 0 0; padding: 0; list-style: none; }
.sidebar__links li { margin: 0.35rem 0; }
.content { min-width: 0; }
.content-heading { margin-bottom: 3rem; }
.content-heading h1, .page-heading h1, .post__header h1, .detail-page__header h1 { margin: 0 0 0.75rem; color: var(--text); font-size: clamp(2rem, 5vw, 3rem); font-weight: 600; line-height: 1.15; letter-spacing: -0.02em; }
.lede { max-width: 42rem; margin: 0; color: var(--muted); font-size: 1.1rem; }
.eyebrow { margin: 0 0 0.5rem; color: var(--muted); font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.04em; text-transform: uppercase; }
.page-heading { padding: 0 0 1.75rem; }
.page-heading .lede { margin-top: 0.75rem; }
.reading-column { max-width: var(--content); }
.prose > *:first-child { margin-top: 0; }
.prose h2, .content-section h2 { margin: 2.75rem 0 1rem; padding-bottom: 0.4rem; border-bottom: 1px solid var(--border); color: var(--text); font-size: 1.45rem; font-weight: 600; }
.prose h3 { margin-top: 2rem; color: var(--text); font-size: 1.15rem; }
.prose p, .prose ul, .prose ol, .prose blockquote { max-width: var(--content); }
.prose blockquote { margin-left: 0; padding-left: 1rem; border-left: 3px solid var(--accent); color: var(--muted); }
.prose pre { overflow-x: auto; padding: 1rem; background: #17191b; color: var(--text); border: 1px solid var(--border); }
.prose code { font-family: var(--mono); font-size: 0.9em; }
.prose :not(pre) > code { padding: 0.1em 0.3em; background: var(--surface); }

.content-section { margin-top: 2.75rem; }
.content-section h2 { margin-top: 0; }
.entry-list { border-top: 1px solid var(--border); }
.entry { padding: 1.15rem 0; border-bottom: 1px solid var(--border); }
.entry h3 { margin: 0.1rem 0 0.25rem; font-size: 1.15rem; font-weight: 600; }
.entry h3 a { color: var(--text); }
.entry h3 a:hover { color: var(--accent-hover); }
.entry p { margin: 0; color: var(--muted); }
.entry__meta, .metadata { color: var(--muted); font-family: var(--mono); font-size: 0.75rem; }
.entry__meta { text-transform: uppercase; }
.card-grid { display: block; border-top: 1px solid var(--border); }
.card { padding: 1.15rem 0; border-bottom: 1px solid var(--border); }
.card h2, .card h3 { margin: 0.15rem 0 0.25rem; padding: 0; border: 0; font-size: 1.15rem; font-weight: 600; }
.card h2 a, .card h3 a { color: var(--text); }
.card p { margin: 0; color: var(--muted); }
.card__footer { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 0.45rem; }
.card__footer time, .card__footer .status { color: var(--muted); font-family: var(--mono); font-size: 0.72rem; }
.detail-page { max-width: var(--content); }
.detail-page__header, .post__header { margin-bottom: 2.5rem; padding-bottom: 1rem; border-bottom: 1px solid var(--border); }
.metadata { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem 1rem; margin-top: 1rem; }
.tag-list { display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 0; padding: 0; list-style: none; }
.tag-list li { padding: 0.1rem 0.35rem; border: 1px solid var(--border); }
.metadata__links { display: flex; gap: 1rem; }
.post { max-width: var(--content); }
.post__header .lede { margin-top: 0.5rem; }

.site-footer { border-top: 1px solid var(--border); color: var(--muted); }
.site-footer__inner { display: flex; justify-content: space-between; gap: 1rem; padding-block: 1.5rem; font-size: 0.85rem; }
.site-footer p { margin: 0; }
.site-footer__links { display: flex; gap: 1rem; }

@media (max-width: 800px) {
  .site-layout { grid-template-columns: 1fr; gap: 2rem; padding-top: 2rem; }
  .sidebar { position: static; display: grid; grid-template-columns: 5rem 1fr; column-gap: 1rem; align-items: start; }
  .sidebar__avatar { width: 5rem; height: 5rem; grid-row: span 3; }
  .sidebar h2 { margin: 0; }
  .sidebar__bio { grid-column: 2; }
  .sidebar__links { grid-column: 2; margin-top: 0; display: flex; gap: 1rem; }
}
@media (max-width: 560px) {
  .container { width: min(calc(100% - 2rem), var(--site)); }
  .site-nav { align-items: flex-start; flex-direction: column; gap: 0.5rem; padding-block: 1rem; }
  .site-nav__links { gap: 0.6rem 1rem; }
  .site-footer__inner { align-items: flex-start; flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}