:root {
  --blog-list-title: clamp(1.875rem, 1.25rem + 2vw, 3rem);
  --blog-article-title: clamp(1.5rem, 1.1rem + 1.4vw, 2rem);
  --blog-lead-size: clamp(0.9375rem, 0.85rem + 0.45vw, 1.125rem);
  --blog-section-title: 1.5rem;
  --blog-subheading: 1.25rem;
  --blog-small: 0.8125rem;
  --blog-body-leading: 1.85;
  --blog-heading-leading: 1.32;
  --blog-breadcrumb-opacity: 0.65;
  --blog-separator-opacity: 0.35;
  --blog-card-gap: 1.25rem;
  --blog-card-padding: 1.5rem;
  --blog-block-gap: 1.25rem;
  --blog-chapter-gap: 2rem;
  --blog-focus-width: 3px;
  --blog-focus-offset: 4px;
  --blog-reading-max: 50rem;
}

.blog-main {
  padding-bottom: 5rem;
}

.blog-hero {
  padding-block: 3rem 2rem;
  max-width: var(--reading-width);
}

.blog-eyebrow {
  margin: 0 0 1rem;
  color: var(--accent-dark);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
}

.blog-hero h1 {
  display: block;
  max-width: 100%;
  margin: 0;
  color: var(--text);
  font-family: var(--font-display);
  font-size: var(--blog-list-title);
  font-weight: var(--weight-display);
  line-height: var(--blog-heading-leading);
  letter-spacing: var(--tracking-title);
}

.blog-intro {
  margin: 1.25rem 0 0;
  color: var(--text-muted);
  font-size: var(--blog-lead-size);
  line-height: 1.7;
}

.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
}

.blog-filter {
  min-height: 44px;
  padding: 0.625rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--bg-panel);
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  line-height: 1.5;
  cursor: pointer;
}

.blog-filter:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
}

.blog-filter[aria-pressed="true"] {
  border-color: var(--accent-dark);
  background: var(--accent-dark);
  color: var(--on-dark);
}

.blog-filter:focus-visible,
.blog-skip:focus-visible,
.blog-post-card a:focus-visible,
#related-posts a:focus-visible,
#post-nav a:focus-visible,
.blog-breadcrumb a:focus-visible,
nav.breadcrumb a:focus-visible,
nav.breadcrumbs a:focus-visible {
  outline: var(--blog-focus-width) solid var(--accent);
  outline-offset: var(--blog-focus-offset);
}

.blog-count {
  min-height: 1.5em;
  margin: 1rem 0 1.5rem;
  color: var(--text-muted);
  font-size: var(--text-sm);
}

.blog-post-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--blog-card-gap);
}

.blog-post-grid > *,
.related-posts-grid > *,
#post-nav > * {
  min-width: 0;
}

.blog-post-card,
#related-posts .related-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-width: 0;
  padding: var(--blog-card-padding);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  background: var(--bg-panel);
  color: var(--text);
  box-shadow: var(--shadow-xs);
}

.blog-post-card .post-card__meta,
#related-posts .post-card__meta,
.article-meta,
.article-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.625rem 1rem;
  color: var(--text-muted);
  font-size: var(--blog-small);
  line-height: 1.6;
}

.blog-post-card .tag,
#related-posts .tag {
  max-width: 100%;
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-pill);
  background: var(--lilac);
  color: var(--accent-dark);
  font-size: var(--blog-small);
  font-weight: var(--weight-medium);
}

.blog-post-card h2,
#related-posts .related-card h3 {
  display: block;
  max-width: 100%;
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--blog-subheading);
  font-weight: var(--weight-heading);
  line-height: 1.55;
  overflow-wrap: break-word;
}

.blog-post-card h2 a,
#related-posts .related-card h3 a {
  color: var(--text);
  text-decoration: none;
}

.blog-post-card h2 a:hover,
#related-posts .related-card h3 a:hover {
  color: var(--accent);
}

.blog-post-card > p,
#related-posts .related-card > p {
  margin: 0;
  color: var(--text-muted);
  font-size: var(--text-base);
  line-height: 1.8;
}

.blog-post-card .post-card__more,
#related-posts .post-card__more {
  align-self: flex-start;
  margin-top: auto;
  color: var(--accent-dark);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  text-decoration: none;
}

.blog-post-card .post-card__more:hover,
#related-posts .post-card__more:hover {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.blog-empty {
  grid-column: 1 / -1;
  margin: 0;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  background: var(--bg-panel);
  color: var(--text-muted);
  line-height: 1.8;
}

.blog-empty a {
  color: var(--accent-dark);
}

.blog-skip {
  position: absolute;
  top: 0.75rem;
  left: 1.25rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  transform: translateY(-200%);
  border-radius: var(--radius-btn);
  background: var(--bg-panel);
  color: var(--accent-dark);
}

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

/* Article containers use reading rhythm rather than landing-page sections. */
main.wrap.reading {
  padding-top: 32px;
}

.article-page main,
main.article-main {
  padding-top: 0;
  padding-bottom: 4rem;
}

.article-page main > .section,
main.article-main > .section,
.section:has(> .blog-breadcrumb),
.section:has(> nav.breadcrumb),
.section:has(> nav.breadcrumbs) {
  padding-block: 1.25rem;
}

.article-page .reading,
.article-main .reading {
  max-width: var(--blog-reading-max);
}

.blog-breadcrumb,
nav.breadcrumb,
nav.breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 0.5rem;
  min-width: 0;
  margin-top: 1.25rem;
  margin-bottom: 1.25rem;
  padding: 0;
  overflow: hidden;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: var(--blog-small);
  line-height: 1.6;
  white-space: nowrap;
}

.blog-breadcrumb a,
nav.breadcrumb a,
nav.breadcrumbs a {
  flex: 0 0 auto;
  color: var(--text-muted);
  opacity: var(--blog-breadcrumb-opacity);
  text-decoration: none;
}

.blog-breadcrumb a:hover,
nav.breadcrumb a:hover,
nav.breadcrumbs a:hover {
  color: var(--accent);
  opacity: 1;
}

.blog-breadcrumb > span:not([aria-current]),
nav.breadcrumb > span:not([aria-current]),
nav.breadcrumbs > span:not([aria-current]) {
  flex: 0 0 auto;
  opacity: var(--blog-separator-opacity);
}

.blog-breadcrumb [aria-current="page"],
nav.breadcrumb [aria-current="page"],
nav.breadcrumbs [aria-current="page"] {
  flex: 0 1 auto;
  min-width: 0;
  max-width: 30ch;
  overflow: hidden;
  color: var(--text-muted);
  text-overflow: ellipsis;
  opacity: 1;
}

.article-hero,
.article-hero.section {
  padding-block: 0.5rem 1.5rem;
}

.article-meta,
.article-hero__meta {
  margin: 0 0 1rem;
}

.article-hero h1,
.article-page h1,
.article-main h1 {
  display: block;
  width: 100%;
  max-width: 100%;
  margin: 0.875rem 0 1rem;
  color: var(--text);
  font-family: var(--font-display);
  font-size: var(--blog-article-title);
  font-weight: var(--weight-heading);
  line-height: var(--blog-heading-leading);
  letter-spacing: var(--tracking-title);
  overflow-wrap: break-word;
}

.article-lead,
.article-summary,
.article-hero__lead,
.article-hero > p:last-child {
  margin: 1rem 0 0;
  color: var(--text-muted);
  font-size: var(--blog-lead-size);
  line-height: 1.7;
}

.article-body,
.article-page .prose,
.article-main .prose {
  min-width: 0;
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--blog-body-leading);
  overflow-wrap: break-word;
}

.article-body :is(h1, h2, h3),
.article-page .prose :is(h1, h2, h3),
.article-main .prose :is(h1, h2, h3) {
  display: block;
}

.article-body h2,
.article-page .prose h2,
.article-main .prose h2 {
  margin: var(--blog-chapter-gap) 0 1rem;
  color: var(--text);
  font-family: var(--font-display);
  font-size: var(--blog-section-title);
  font-weight: var(--weight-heading);
  line-height: 1.5;
}

.article-body h3,
.article-page .prose h3,
.article-main .prose h3 {
  margin: 1.5rem 0 0.75rem;
  color: var(--text);
  font-size: var(--blog-subheading);
  line-height: 1.5;
}

.article-body > h2:first-of-type,
.article-body > section:first-of-type > h2:first-of-type,
.article-page .prose > h2:first-of-type,
.article-main .prose > h2:first-of-type {
  margin-top: 0;
}

.article-body section,
.article-body .section,
.article-page .prose section,
.article-main .prose section {
  margin-block: 0;
  padding-block: 0;
}

.article-body section + section,
.article-page .prose section + section,
.article-main .prose section + section {
  margin-top: var(--blog-chapter-gap);
}

.article-body section > h2:first-child,
.article-page .prose section > h2:first-child,
.article-main .prose section > h2:first-child {
  margin-top: 0;
}

.article-body :is(p, ul, ol, pre, blockquote, figure, .table-wrap),
.article-page .prose :is(p, ul, ol, pre, blockquote),
.article-main .prose :is(p, ul, ol, pre, blockquote) {
  margin-block: 0 var(--blog-block-gap);
}

.article-body :is(ul, ol) {
  padding-inline-start: 1.5rem;
}

.article-body li + li {
  margin-top: 0.5rem;
}

.article-body a:not([class*="btn"]):not([class*="button"]),
.article-page .prose a:not([class*="btn"]):not([class*="button"]),
.article-main .prose a:not([class*="btn"]):not([class*="button"]) {
  color: var(--accent-dark);
  text-underline-offset: 0.2em;
}

.article-body :not(pre) > code {
  padding: 0.125em 0.3em;
  border-radius: var(--radius-code);
  background: var(--lilac);
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: 0.9em;
  white-space: normal;
  overflow-wrap: anywhere;
}

.article-body pre {
  max-width: 100%;
  padding: 1.25rem;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-inner);
  background: var(--mist);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.7;
  overflow-wrap: normal;
}

.article-body pre code {
  padding: 0;
  background: var(--clear);
  color: inherit;
  font-family: inherit;
  font-size: inherit;
  white-space: pre;
  overflow-wrap: normal;
  word-break: normal;
}

.article-body blockquote {
  padding: 1rem 1.25rem;
  border-inline-start: 3px solid var(--accent);
  border-radius: var(--radius-sm);
  background: var(--lilac);
  color: var(--text);
}

.article-body blockquote > :last-child {
  margin-bottom: 0;
}

.article-body img,
.article-body svg {
  max-width: 100%;
}

.article-body img {
  height: auto;
}

.article-body .table-wrap {
  max-width: 100%;
  overflow-x: auto;
}

.article-body table {
  display: block;
  max-width: 100%;
  margin-block: 0 var(--blog-block-gap);
  overflow-x: auto;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.article-body th,
.article-body td {
  min-width: 10rem;
  padding: 0.875rem 1rem;
  border: 1px solid var(--border);
  color: var(--text);
  text-align: start;
  vertical-align: top;
  overflow-wrap: normal;
  word-break: normal;
}

.article-body th {
  background: var(--lilac);
  font-weight: var(--weight-bold);
}

.article-download {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  margin-block: 2rem;
  padding: var(--blog-card-padding);
}

.article-download > * {
  min-width: 0;
}

.article-download h2,
.article-body .article-download h2 {
  margin: 0 0 0.75rem;
  font-size: var(--blog-section-title);
  line-height: 1.5;
}

.article-download p,
.article-body .article-download p {
  margin: 0;
  color: var(--text-muted);
}

.article-download__actions,
.article-download .article-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

#related-posts {
  display: block;
  margin-block: 2rem;
  padding-block: 0;
}

#related-posts > h2 {
  display: block;
  margin: 0 0 1.25rem;
  color: var(--text);
  font-family: var(--font-display);
  font-size: var(--blog-section-title);
  line-height: 1.5;
}

.related-posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: var(--blog-card-gap);
}

#post-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--blog-card-gap);
  margin-block: 2rem;
  padding-block: 0;
}

#post-nav .post-nav-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: var(--blog-card-padding);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  background: var(--bg-panel);
  color: var(--text);
  text-decoration: none;
}

#post-nav .post-nav-card:hover {
  border-color: var(--accent);
}

.post-nav-card--previous {
  grid-column: 1;
}

.post-nav-card--next {
  grid-column: 2;
}

.post-nav-card__label,
#post-nav time {
  color: var(--text-muted);
  font-size: var(--blog-small);
  line-height: 1.6;
}

.post-nav-card__title {
  color: var(--text);
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  line-height: 1.7;
  overflow-wrap: break-word;
}

#related-posts[hidden],
#post-nav[hidden] {
  display: none;
}

@media (max-width: 767px) {
  .blog-main {
    padding-inline: max(18px, var(--gutter));
    padding-bottom: 3rem;
  }

  .blog-hero {
    padding-block: 2rem 1.5rem;
  }

  .blog-hero h1 {
    font-size: 1.875rem;
  }

  .article-hero h1,
  .article-page h1,
  .article-main h1 {
    font-size: 1.5rem;
  }

  .blog-post-grid,
  #post-nav {
    grid-template-columns: minmax(0, 1fr);
  }

  #post-nav .post-nav-card {
    grid-column: 1;
  }

  .article-download {
    align-items: stretch;
  }

  .article-download__actions,
  .article-download .article-actions {
    width: 100%;
  }
}