/* Single posts: aligned editorial header, lead image and a readable TOC/content grid. */
.post-detail {
  --post-width: 1120px;
  --post-gutter: 48px;
}
.post-detail > .container,
.post-detail > .section > .container,
.post-detail .article-header .container {
  width: calc(100% - var(--post-gutter));
  max-width: var(--post-width);
  margin-inline: auto;
}
.post-detail .post-breadcrumb { padding-top: 28px; font-size: 13px; line-height: 1.6; }
.post-detail .post-breadcrumb ol { max-width: none; }
.post-detail .post-breadcrumb li:last-child { display: block; flex: 1; }
.post-detail .article-header { padding-block: 24px 30px; }
.post-detail .article-header h1 {
  max-width: 1050px;
  margin: 14px 0 0;
  color: var(--navy);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  line-height: 1.3;
  letter-spacing: -.025em;
  overflow-wrap: break-word;
  text-wrap: pretty;
}
.post-detail .post-category-label { min-height: 30px; padding: 3px 10px; border-radius: 4px; font-size: 12px; }
.post-detail .article-meta { margin-top: 16px; }
.post-detail > .post-featured,
.post-detail > .post-lead-image { margin-block: 0 40px; aspect-ratio: auto; background: transparent; border-radius: 12px; overflow: hidden; }
.post-detail > .post-featured img,
.post-detail > .post-lead-image img { display: block; width: 100%; height: auto; max-width: 100%; object-fit: contain; }
.post-detail > .post-lead-image figcaption { padding: 10px 16px; color: var(--muted); font-size: 13px; text-align: center; }
.post-detail .post-reading { display: grid; grid-template-columns: 270px minmax(0, 1fr); align-items: start; gap: 44px; margin-bottom: 48px; }
.post-detail .post-reading__content { min-width: 0; }
.post-detail .post-reading .container { width: 100%; max-width: none; margin-inline: 0; }
.post-detail .post-reading .article-body { padding: 0; background: var(--white); }
.post-detail .post-reading .prose { font-size: 17px; line-height: 1.85; overflow-wrap: anywhere; }
.post-detail .prose > :first-child { margin-top: 0; }
.post-detail .prose h2 { margin-block: 36px 16px; font-size: clamp(1.35rem, 2.2vw, 1.75rem); line-height: 1.4; letter-spacing: -.02em; }
.post-detail .prose h3 { margin-block: 28px 12px; font-size: 1.2rem; line-height: 1.45; }
.post-detail .prose :is(h2, h3) { scroll-margin-top: 120px; }
.post-detail .prose :is(figure, img, video, iframe) { max-width: 100%; }
.post-detail .prose figure { margin-inline: 0; }
.post-detail .prose img { height: auto; }
.post-detail .prose .table-scroll { max-width: 100%; }
.post-detail .post-reading .post-toc { position: sticky; top: 112px; padding: 0; border: 1px solid var(--line); border-radius: 10px; background: #f6f8fc; overflow: hidden; }
.post-detail .post-toc details.toc { border: 0; padding: 0; }
.post-detail .post-toc summary { gap: 16px; justify-content: space-between; padding: 17px 18px; font-size: 15px; }
.post-detail .post-toc summary::after { content: '+'; font-size: 20px; font-weight: 400; }
.post-detail .post-toc details[open] > summary::after { content: '−'; }
.post-detail .post-toc .toc > ol { columns: auto; max-height: calc(100dvh - 210px); overflow-y: auto; margin: 0; padding: 0 18px 18px; counter-reset: post-section; }
.post-detail .post-toc .toc li { margin: 0; }
.post-detail .post-toc .toc-level-2 { counter-increment: post-section; }
.post-detail .post-toc .toc .toc-level-2 > a { display: grid; grid-template-columns: 18px minmax(0, 1fr); gap: 8px; }
.post-detail .post-toc .toc-level-2 > a::before { content: counter(post-section, decimal-leading-zero); color: var(--blue); font-size: 11px; padding-top: 2px; }
.post-detail .post-toc .toc ol ol { columns: auto; padding-left: 26px; margin-top: 0; }
.post-detail .post-toc .toc .toc-level-3 { margin-left: 0; }
.post-detail .post-toc .toc a { display: block; padding-block: 9px; font-size: 13px; line-height: 1.6; text-decoration: none; overflow-wrap: anywhere; }
.post-detail .post-toc .toc a:hover { color: var(--blue); text-decoration: underline; }
.post-detail .post-toc .toc a:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.post-detail .post-topics { padding-block: 28px; border-top: 1px solid var(--line); margin-top: 28px; }
.post-detail .post-adjacent { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; padding-block: 24px; border-block: 1px solid var(--line); }
.post-detail .post-adjacent-link { display: grid; gap: 8px; text-decoration: none; font-size: 15px; line-height: 1.6; }
.post-detail .post-adjacent-link span { color: var(--muted); font-size: 12px; }
.post-detail .post-adjacent-link--next { text-align: right; }
.post-detail .section--related_posts { padding-block: 48px; }
.post-detail .section--related_posts .solution-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.post-detail .section--related_posts .solution-card { min-width: 0; }
.post-detail .section--related_posts .solution-card h3 { font-size: 1.2rem; line-height: 1.45; }
.post-detail > .article-body > .container { max-width: 760px; }
@media (max-width: 900px) {
  .post-detail .post-reading { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .post-detail .post-reading .post-toc { position: static; }
  .post-detail .post-toc .toc > ol { max-height: 280px; }
  .post-detail .section--related_posts .solution-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 600px) {
  .post-detail { --post-gutter: 32px; }
  .post-detail .post-breadcrumb { padding-top: 20px; font-size: 12px; }
  .post-detail .post-breadcrumb li:last-child { flex-basis: 100%; }
  .post-detail .article-header { padding-block: 20px 24px; }
  .post-detail .article-header h1 { font-size: 27px; line-height: 1.35; }
  .post-detail .article-meta { font-size: 12px; gap: 6px 12px; }
  .post-detail > .post-featured,
  .post-detail > .post-lead-image { margin-bottom: 24px; border-radius: 8px; }
  .post-detail .post-reading .prose { font-size: 16px; line-height: 1.8; }
  .post-detail .post-reading { margin-bottom: 32px; }
  .post-detail .post-adjacent { grid-template-columns: 1fr; gap: 20px; }
  .post-detail .post-adjacent-link--next { text-align: left; }
  .post-detail .section--related_posts { padding-block: 32px; }
  .post-detail .section--related_posts .solution-grid { grid-template-columns: 1fr; gap: 20px; }
}