/* ============================================================
   Article page styles — shared by post.html (the ?slug= fallback)
   and the generated static pages at writing/<slug>/index.html.
   Extracted from post.html's former inline <style>.
   ============================================================ */

/* ========= READING BAR ========= */
.read-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background: var(--signal);
  z-index: 100;
  width: 0%;
  transition: width 0.1s;
}

/* ========= ARTICLE HEAD ========= */
.article-head {
  max-width: 880px;
  margin: 0 auto;
  padding: 64px var(--gutter) 32px;
  text-align: left;
}
.article-crumbs {
  display: flex;
  gap: 12px;
  align-items: center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 28px;
}
.article-crumbs .sep { color: var(--line-strong); }
.article-crumbs .signal { color: var(--muted); }
.article-crumbs a:hover { color: var(--signal); }

.article-head h1 {
  font-family: var(--serif);
  font-size: clamp(40px, 6.5vw, 88px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 0 0 24px;
  font-weight: 400;
  text-wrap: pretty;
}
.article-head .deck {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(20px, 2.4vw, 28px);
  line-height: 1.3;
  color: var(--muted);
  margin: 0 0 32px;
  max-width: 56ch;
}
.byline {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 16px 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.byline .author {
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 10px;
}
.byline .author .avatar {
  width: 28px; height: 28px;
  background: var(--ink);
  color: var(--paper);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--serif);
  font-size: 14px;
}

/* ========= LEAD IMAGE ========= */

/* ========= ARTICLE BODY ========= */
.article-body {
  max-width: 720px;
  margin: 56px auto 0;
  padding: 0 var(--gutter);
}
.article-body p {
  font-family: var(--reading);
  font-size: 21px;
  line-height: 1.7;
  margin: 0 0 24px;
  color: var(--ink-2);
  text-wrap: pretty;
}
.article-body p:first-of-type::first-letter {
  font-family: var(--serif);
  font-size: 88px;
  float: left;
  line-height: 0.85;
  margin: 6px 12px 0 0;
  color: var(--signal);
  font-weight: 400;
}
.article-body h2 {
  font-family: var(--serif);
  font-size: 38px;
  line-height: 1.05;
  letter-spacing: -0.015em;
  margin: 48px 0 20px;
  font-weight: 400;
  text-wrap: balance;
}
.article-body h3 {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 36px 0 16px;
  color: var(--muted);
}
.article-body ul, .article-body ol {
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.5;
  margin: 0 0 26px;
  padding-left: 28px;
}
.article-body li {
  font-family: var(--reading);
  font-size: 21px;
  line-height: 1.65;
  color: var(--ink-2);
  margin-bottom: 12px;
}
.article-body blockquote {
  margin: 36px 0;
  padding: 8px 0 8px 28px;
  border-left: 3px solid var(--signal);
  font-family: var(--serif);
  font-style: italic;
  font-size: 28px;
  line-height: 1.3;
  color: var(--ink-2);
}
.article-body code {
  font-family: var(--mono);
  font-size: 0.85em;
  background: var(--paper-2);
  padding: 1px 6px;
  border-radius: 2px;
}
.article-body strong { font-weight: 600; }
.article-body a {
  color: var(--signal);
  border-bottom: 1px solid var(--signal);
}
.article-body .table-wrap {
  margin: 36px 0;
  overflow-x: auto;
  border: 1px solid var(--line);
}
.article-body table {
  border-collapse: collapse;
  width: 100%;
  font-size: 15px;
  line-height: 1.45;
}
.article-body th, .article-body td {
  text-align: left;
  padding: 10px 16px;
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
  vertical-align: top;
}
.article-body th:last-child, .article-body td:last-child { border-right: none; }
.article-body tbody tr:last-child td { border-bottom: none; }
.article-body thead th {
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  background: var(--paper-3);
  border-bottom: 1px solid var(--ink);
  white-space: nowrap;
}
.article-body tbody tr:nth-child(even) { background: var(--paper-3); }
.article-body pre {
  margin: 32px 0;
  padding: 20px 24px;
  background: var(--paper-3);
  border: 1px solid var(--line);
  border-left: 3px solid var(--ink);
  border-radius: 2px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 13.5px;
  line-height: 1.6;
}
.article-body pre code {
  background: none;
  padding: 0;
  border-radius: 0;
  font-size: inherit;
  color: var(--ink-2);
  white-space: pre;
}
.article-body ol { margin: 24px 0 24px 22px; }
.article-body hr {
  margin: 48px 0;
  border: none;
  border-top: 1px solid var(--line);
}
/* figures / images */
.article-body figure { margin: 36px 0; }
.article-body figure img,
.article-body p img { max-width: 100%; height: auto; }
.article-body figure img { display: block; width: 100%; border: 1px solid var(--line); }
.article-body figcaption {
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--muted);
  text-align: center;
}
/* callouts */
.article-body .callout {
  margin: 32px 0;
  padding: 18px 22px;
  background: var(--paper-3);
  border: 1px solid var(--line);
  border-left: 3px solid var(--ink-2);
  border-radius: 2px;
}
.article-body .callout > :first-child { margin-top: 0; }
.article-body .callout > :last-child { margin-bottom: 0; }
.article-body .callout-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 8px !important;
}
.article-body .callout-tip { border-left-color: var(--moss); }
.article-body .callout-tip .callout-label { color: var(--moss); }
.article-body .callout-warning,
.article-body .callout-caution,
.article-body .callout-gotcha { border-left-color: var(--signal); }
.article-body .callout-warning .callout-label,
.article-body .callout-caution .callout-label,
.article-body .callout-gotcha .callout-label { color: var(--signal); }
/* pull-quote */
.article-body .pullquote {
  margin: 44px 0;
  padding: 28px 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  font-family: var(--serif);
  font-size: 30px;
  line-height: 1.25;
  text-align: center;
  color: var(--ink);
}
.article-body .pullquote > :first-child { margin-top: 0; }
.article-body .pullquote > :last-child { margin-bottom: 0; }
/* table of contents */
.article-body .toc {
  margin: 32px 0;
  padding: 18px 22px;
  background: var(--paper-3);
  border: 1px solid var(--line);
}
.article-body .toc-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 10px;
}
.article-body .toc ul { list-style: none; margin: 0; padding: 0; }
.article-body .toc li { margin: 4px 0; }
.article-body .toc li.toc-h3 { padding-left: 18px; }
.article-body .toc a { color: var(--ink-2); border-bottom: none; }
.article-body .toc a:hover { color: var(--signal); }
/* footnotes */
.article-body sup.fnref a { border-bottom: none; font-size: 0.72em; }
.article-body .footnotes { margin-top: 48px; font-size: 15px; color: var(--muted); }
.article-body .footnotes hr { margin: 0 0 16px; }
.article-body .footnotes ol { margin: 0 0 0 20px; }
.article-body .footnotes li { margin-bottom: 8px; }
.article-body .footnotes a.fn-back { border-bottom: none; }
/* strikethrough, task lists, definition lists */
.article-body del { color: var(--muted); }
.article-body li.task-item { list-style: none; margin-left: -4px; }
.article-body li.task-item input { margin-right: 8px; }
.article-body dl { margin: 24px 0; }
.article-body dt { font-weight: 600; margin-top: 14px; }
.article-body dd { margin: 4px 0 0 20px; color: var(--ink-2); }

/* ========= PULL QUOTE ========= */
.pull-quote {
  max-width: 1100px;
  margin: 56px auto;
  padding: 56px var(--gutter);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  text-align: center;
}
.pull-quote .body {
  font-family: var(--serif);
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.015em;
  margin: 0;
  text-wrap: balance;
  max-width: 22ch;
  margin-left: auto;
  margin-right: auto;
}
.pull-quote .body em { font-style: italic; }
.pull-quote .attr {
  margin-top: 24px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ========= ARTICLE FOOTER / META ========= */
.article-foot {
  max-width: 720px;
  margin: 56px auto 0;
  padding: 0 var(--gutter);
}
.article-foot .row {
  border-top: 1px solid var(--ink);
  padding: 28px 0;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.article-foot .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.share-row {
  display: flex;
  gap: 12px;
}
.share-row .btn { padding: 10px 14px; font-size: 10px; }

/* ========= AUTHOR BIO ========= */
.author-bio {
  max-width: 1100px;
  margin: 56px auto 0;
  padding: 0 var(--gutter);
}
.author-bio-inner {
  background: var(--paper-3);
  padding: 40px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 32px;
  align-items: center;
  border: 1px solid var(--line);
}
.author-bio .avatar-big {
  width: 88px; height: 88px;
  background: var(--ink);
  color: var(--paper);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--serif);
  font-size: 38px;
}
.author-bio h4 {
  font-family: var(--serif);
  font-size: 28px;
  margin: 0 0 4px;
  letter-spacing: -0.01em;
  font-weight: 400;
}
.author-bio .role {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}
.author-bio p { margin: 0; max-width: 56ch; }

/* ========= NEXT / PREV ========= */
.pager {
  max-width: var(--container);
  margin: 96px auto 0;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  border-top: 1px solid var(--ink);
}
.pager-cell {
  padding: 32px 0;
  cursor: pointer;
  transition: background 0.15s;
}
.pager-cell:hover .pager-title { color: var(--signal); }
.pager-cell.next { text-align: right; border-left: 1px solid var(--line); padding-left: 32px; }
.pager-cell.prev { padding-right: 32px; }
.pager .label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}
.pager-title {
  font-family: var(--serif);
  font-size: 28px;
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin: 0;
  font-weight: 400;
  text-wrap: pretty;
  transition: color 0.18s;
}

/* ========= RECOMMENDED ========= */
.recommended {
  max-width: var(--container);
  margin: 96px auto 0;
  padding: 0 var(--gutter);
}
.rec-head {
  border-top: 1px solid var(--ink);
  padding-top: 20px;
  margin-bottom: 28px;
}
.rec-head .label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.rec-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.rec-card {
  display: block;
  padding: 24px;
  border: 1px solid var(--line);
  background: var(--paper-3);
  transition: border-color 0.18s, transform 0.18s;
}
.rec-card:hover { border-color: var(--ink); transform: translateY(-2px); }
.rec-card:hover .rec-title { color: var(--signal); }
.rec-meta {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}
.rec-title {
  font-family: var(--serif);
  font-size: 24px;
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
  font-weight: 400;
  text-wrap: pretty;
  transition: color 0.18s;
}
.rec-excerpt {
  font-family: var(--sans);
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink-2);
  margin: 0 0 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.rec-cat {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--moss);
}

/* ========= RESPONSIVE ========= */
@media (max-width: 760px) {
  .rec-grid { grid-template-columns: 1fr; }
  .pager { grid-template-columns: 1fr; }
  .pager-cell.next { text-align: left; border-left: none; padding-left: 0; border-top: 1px solid var(--line); padding-top: 24px; }
  .author-bio-inner { grid-template-columns: 1fr; text-align: left; }
}