:root {
  color-scheme: light;
  --ink: #151515;
  --muted: #646464;
  --line: #c9c9c9;
  --paper: #fff;
  --soft: #f5f5f2;
  --link: #0057b8;
  --measure: 48rem;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body { margin: 0; }

a {
  color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
}

a:hover { text-decoration-thickness: 2px; }

a:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 0.5rem;
  left: 0.5rem;
  z-index: 10;
  padding: 0.5rem 0.7rem;
  color: var(--paper);
  background: var(--ink);
  transform: translateY(-180%);
}

.skip-link:focus { transform: translateY(0); }

.page-shell {
  width: min(var(--measure), calc(100% - 2.25rem));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 2.5rem 0 0.8rem;
  border-bottom: 1px solid var(--ink);
}

.site-name {
  color: var(--ink);
  font-size: 1.15rem;
  font-weight: 700;
  text-decoration: none;
}

.site-header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  font-size: 0.92rem;
}

main { min-height: 65vh; }

section,
.page-header,
.article { margin: 3rem 0; }

.intro { margin-block: 4.5rem; }

h1, h2, h3 {
  line-height: 1.18;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 18ch;
  margin: 0 0 1rem;
  font-size: clamp(2rem, 8vw, 3.3rem);
}

h2 {
  margin: 0 0 1.25rem;
  font-size: 1.4rem;
}

h3 { font-size: 1rem; }

p { max-width: 70ch; }

.intro > p:first-of-type,
.page-header > p:last-child {
  font-size: 1.08rem;
}

.contact-line {
  display: flex;
  gap: 0.6rem;
  margin-top: 1.5rem;
}

.eyebrow {
  margin: 0 0 0.6rem;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.item-list { border-top: 1px solid var(--line); }

.list-item {
  display: grid;
  grid-template-columns: 9.75rem 1fr;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}

.list-item h2,
.list-item h3 { margin: 0; }

.list-item p {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.item-date,
.article-meta {
  color: var(--muted);
  font-size: 0.82rem;
}

.article-header {
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}

.article-header h1 { max-width: 22ch; }

.article-body { margin-top: 2.5rem; }

.article-body h2,
.article-body h3 { margin-top: 2.5rem; }

.article-body img,
.article-body video {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 1.75rem auto;
}

.article-body pre {
  max-width: 100%;
  padding: 1rem;
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--soft);
}

.article-body code { font-family: inherit; }

.article-body blockquote {
  margin-left: 0;
  padding-left: 1rem;
  border-left: 3px solid var(--ink);
  color: var(--muted);
}

.article-body table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
}

.article-body th,
.article-body td {
  padding: 0.45rem 0.65rem;
  border: 1px solid var(--line);
}

.article-back { margin-top: 3rem; }

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0 2.5rem;
  border-top: 1px solid var(--ink);
  color: var(--muted);
  font-size: 0.78rem;
}

@media (max-width: 38rem) {
  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-header { padding-top: 1.5rem; }
  .intro { margin-block: 3rem; }

  .list-item {
    grid-template-columns: 1fr;
    gap: 0.3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}