:root {
  --blog-size-list-h1: clamp(1.875rem, 3.6vw, 3rem);
  --blog-size-article-h1: clamp(1.5rem, 1.1rem + 1.4vw, 2rem);
  --blog-size-lead: clamp(0.9375rem, 0.85rem + 0.45vw, 1.125rem);
  --blog-size-h2: 1.5rem;
  --blog-size-h3: 1.25rem;
  --blog-size-card-title: 1.1875rem;
  --blog-size-meta: 0.8125rem;
  --blog-size-copy: 1rem;
  --blog-size-close: 1.75rem;
  --blog-size-compact-h1: 1.5rem;
  --blog-modal-speed: 180ms;
  --blog-modal-width: 29rem;
  --blog-related-width: 51.25rem;
  --blog-focus-outline: 2px solid var(--accent);
}

.blog-index-main,
.blog-article-page main,
main:has(.article-hero),
main:has(.blog-breadcrumb) {
  color: var(--ink);
  background: var(--bg-panel-2);
}

.blog-list-hero {
  position: relative;
  overflow: hidden;
  padding: 4.5rem 0 3.25rem;
  color: var(--text);
  background:
    radial-gradient(ellipse at 93% 100%, var(--glow-a), var(--clear) 55%),
    radial-gradient(circle at 18% 22%, var(--star) 1px, var(--clear) 1.5px),
    radial-gradient(circle at 72% 34%, var(--star-dim) 1px, var(--clear) 1.5px),
    var(--bg);
  background-size: auto, 173px 139px, 227px 181px, auto;
  text-align: center;
}

.blog-list-hero h1 {
  max-width: 100%;
  margin: 1rem 0 1.25rem;
  font-family: var(--font-display);
  font-size: var(--blog-size-list-h1);
  font-weight: var(--weight-title);
  line-height: 1.3;
}

.blog-list-hero .eyebrow {
  color: var(--text-muted);
}

.blog-list-intro {
  margin: 0 auto;
  max-width: 42rem;
  color: var(--text-muted);
  font-size: var(--blog-size-lead);
  line-height: 1.8;
}

.blog-fact-strip {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: var(--blog-size-meta);
  line-height: 1.7;
}

.blog-catalog {
  padding: 3.25rem 0 5rem;
}

.blog-catalog-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  margin-bottom: 1.25rem;
}

.blog-catalog-heading h2 {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: var(--blog-size-h2);
  font-weight: var(--weight-title);
  line-height: 1.5;
}

.blog-result-count {
  margin: 0;
  color: var(--ink-muted);
  font-size: var(--blog-size-meta);
}

.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  margin-bottom: 2rem;
}

.blog-filter {
  min-height: 44px;
  padding: 0.6rem 1rem;
  border: 1px solid var(--line-light);
  border-radius: var(--r-sm);
  color: var(--ink-muted);
  background: var(--surface);
  font-family: var(--font-body);
  font-size: var(--blog-size-copy);
  line-height: 1.5;
  cursor: pointer;
  transition: border-color var(--speed) var(--ease), color var(--speed) var(--ease);
}

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

.blog-filter.is-active {
  background: var(--tint);
}

.blog-filter:focus-visible,
.blog-post-card a:focus-visible,
.blog-neighbor:focus-visible,
.blog-download-dialog-close:focus-visible,
.blog-breadcrumb a:focus-visible,
nav.breadcrumb a:focus-visible,
nav.breadcrumbs a:focus-visible {
  outline: var(--blog-focus-outline);
  outline-offset: 4px;
}

.blog-post-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.blog-post-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  height: 100%;
  padding: 1.5rem;
  border: 1px solid var(--line-light);
  border-radius: var(--r);
  color: var(--ink);
  background: var(--surface);
  box-shadow: var(--shadow-panel);
}

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

.blog-card-meta .tag,
.article-meta .tag,
.post-meta .tag {
  border: 1px solid var(--line-light);
  border-radius: var(--r-xs);
  padding: 0.2rem 0.5rem;
  color: var(--accent-dark);
  background: var(--tint);
  font-size: var(--blog-size-meta);
}

.blog-card-meta time {
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: var(--blog-size-meta);
}

.blog-post-card .blog-card-title {
  margin: 1.1rem 0 0.875rem;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: var(--blog-size-card-title);
  font-weight: var(--weight-title);
  line-height: 1.65;
  overflow-wrap: anywhere;
}

.blog-card-title a {
  color: inherit;
  text-decoration: none;
}

.blog-card-title a:hover {
  color: var(--accent-dark);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.blog-post-card .blog-card-summary {
  margin: 0 0 1.5rem;
  color: var(--ink-muted);
  font-size: var(--blog-size-copy);
  line-height: 1.85;
}

.blog-post-card .blog-read-link {
  align-self: flex-start;
  margin-top: auto;
  color: var(--accent-dark);
  font-size: var(--blog-size-meta);
  text-decoration: none;
}

.blog-read-link:hover {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.blog-empty {
  grid-column: 1 / -1;
  margin: 0;
  padding: 1.5rem;
  border: 1px solid var(--line-light);
  border-radius: var(--r);
  color: var(--ink-muted);
  background: var(--surface);
  font-size: var(--blog-size-copy);
  line-height: 1.8;
}

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

main.light-section > .reading:has(> nav[aria-label]) {
  padding-top: 32px;
}

main.light-section > .reading > article.prose > header {
  padding-bottom: 12px;
}

main.light-section > .reading > article.prose > header > p:last-child {
  margin-bottom: 0;
}

main.light-section > .reading > article.prose > header + h2,
main.light-section > .reading > article.prose > header + section > h2:first-child {
  margin-top: 20px;
}

.blog-breadcrumb,
nav.breadcrumb,
nav.breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 0.5rem;
  min-width: 0;
  margin-top: 1.5rem;
  margin-bottom: 1.25rem;
  padding-block: 0;
  overflow: hidden;
  white-space: nowrap;
  color: var(--ink-muted);
  font-family: var(--font-body);
  font-size: var(--blog-size-meta);
  line-height: 1.7;
}

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

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

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

.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;
  text-overflow: ellipsis;
  color: var(--ink-muted);
}

.section:has(> .blog-breadcrumb),
.section:has(> nav.breadcrumb),
.section:has(> nav.breadcrumbs),
.section:has(> .article-hero),
.section:has(> .prose .article-hero) {
  padding-top: 1.5rem;
  padding-bottom: 0;
}

.section:has(> .blog-breadcrumb) > .blog-breadcrumb,
.section:has(> nav.breadcrumb) > nav.breadcrumb,
.section:has(> nav.breadcrumbs) > nav.breadcrumbs {
  margin-top: 0;
}

.article-hero,
.article-hero.section {
  padding-top: 0.5rem;
  padding-bottom: 1.75rem;
  color: var(--ink);
}

.article-hero .article-meta,
.article-hero .post-meta {
  margin-top: 0;
  margin-bottom: 1rem;
}

.article-hero h1,
.blog-article h1 {
  display: block;
  max-width: 100%;
  margin: 1rem 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: var(--blog-size-article-h1);
  font-weight: var(--weight-title);
  line-height: 1.32;
  overflow-wrap: break-word;
}

.article-lead,
.article-summary,
.article-hero .lead,
.article-hero .sub,
.article-hero > p:not(.eyebrow):not(.article-meta):not(.post-meta) {
  margin-top: 1rem;
  margin-bottom: 0;
  color: var(--ink-muted);
  font-size: var(--blog-size-lead);
  line-height: 1.7;
}

.article-body,
.article-content,
.blog-article .prose,
main:has(.article-hero) .prose {
  min-width: 0;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--blog-size-copy);
  line-height: 1.9;
  overflow-wrap: break-word;
}

.article-body.section,
.article-content.section,
main:has(.article-hero) .prose.section {
  padding-top: 0;
  padding-bottom: 2rem;
}

.article-body section,
.article-content section,
.blog-article .prose section,
main:has(.article-hero) .prose section {
  margin-block: 0 1.75rem;
  padding-block: 0;
}

.article-body h2,
.article-content h2,
main:has(.article-hero) .prose h2,
.blog-related-title {
  display: block;
  margin: 2rem 0 1rem;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: var(--blog-size-h2);
  font-weight: var(--weight-title);
  line-height: 1.5;
}

.article-body h2:first-of-type,
.article-content h2:first-of-type,
main:has(.article-hero) .prose h2:first-of-type {
  margin-top: 0;
}

.article-body h3,
.article-content h3,
main:has(.article-hero) .prose h3 {
  display: block;
  margin: 1.5rem 0 0.75rem;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: var(--blog-size-h3);
  font-weight: var(--weight-title);
  line-height: 1.6;
}

.article-body p,
.article-content p,
main:has(.article-hero) .prose p {
  margin-block: 0 1rem;
}

.article-body ul,
.article-body ol,
.article-content ul,
.article-content ol,
main:has(.article-hero) .prose ul,
main:has(.article-hero) .prose ol {
  margin-block: 0.75rem 1.25rem;
  padding-inline-start: 1.5rem;
}

.article-body li + li,
.article-content li + li,
main:has(.article-hero) .prose li + li {
  margin-top: 0.5rem;
}

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

.article-body pre,
.article-content pre,
main:has(.article-hero) .prose pre {
  max-width: 100%;
  margin: 1.25rem 0;
  padding: 1.25rem;
  overflow-x: auto;
  border: 1px solid var(--line-light);
  border-radius: var(--r-sm);
  color: var(--ink);
  background: var(--chrome);
  font-family: var(--font-mono);
  font-size: var(--blog-size-meta);
  line-height: 1.8;
  white-space: pre;
  overflow-wrap: normal;
  word-break: normal;
}

.article-body :not(pre) > code,
.article-content :not(pre) > code,
main:has(.article-hero) .prose :not(pre) > code {
  padding: 0.1em 0.3em;
  border-radius: var(--r-xs);
  color: var(--accent-dark);
  background: var(--tint);
  font-family: var(--font-mono);
  font-size: var(--blog-size-meta);
  overflow-wrap: anywhere;
}

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

.article-body blockquote,
.article-content blockquote,
main:has(.article-hero) .prose blockquote {
  margin: 1.25rem 0;
  padding: 1rem 1.25rem;
  border-inline-start: 3px solid var(--accent);
  color: var(--ink);
  background: var(--tint);
}

.article-body blockquote p:last-child,
.article-content blockquote p:last-child,
main:has(.article-hero) .prose blockquote p:last-child {
  margin-bottom: 0;
}

.article-body .table-scroll,
.article-content .table-scroll,
main:has(.article-hero) .prose .table-scroll {
  max-width: 100%;
  margin-block: 1.25rem;
  overflow-x: auto;
}

.article-body table,
.article-content table,
main:has(.article-hero) .prose table {
  display: block;
  max-width: 100%;
  margin-block: 1.25rem;
  overflow-x: auto;
  border-collapse: collapse;
  color: var(--ink);
  background: var(--surface);
  font-size: var(--blog-size-meta);
  word-break: normal;
  overflow-wrap: normal;
}

.article-body th,
.article-body td,
.article-content th,
.article-content td,
main:has(.article-hero) .prose th,
main:has(.article-hero) .prose td {
  min-width: 7em;
  padding: 0.8rem 1rem;
  border: 1px solid var(--line-light);
  text-align: start;
  vertical-align: top;
  word-break: normal;
  overflow-wrap: normal;
}

.dl-card,
.article-download {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin: 2rem 0;
  padding: 1.5rem;
  border: 1px solid var(--line-light);
  border-radius: var(--r);
  color: var(--ink);
  background: var(--surface);
  box-shadow: var(--shadow-panel);
}

.dl-card h2,
.article-download h2 {
  display: block;
  margin: 0 0 0.625rem;
  font-family: var(--font-display);
  font-size: var(--blog-size-h2);
  font-weight: var(--weight-title);
  line-height: 1.5;
}

.dl-card p,
.article-download p {
  margin: 0;
  color: var(--ink-muted);
  font-size: var(--blog-size-copy);
  line-height: 1.8;
}

.dl-card .button-row,
.article-download .button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

#related-posts {
  margin-top: 2rem;
  margin-bottom: 2rem;
  color: var(--ink);
}

#related-posts:empty,
#post-nav:empty {
  display: none;
}

#related-posts .blog-related-title {
  margin: 0 0 1.25rem;
}

#related-posts .blog-related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: 1.25rem;
  max-width: var(--blog-related-width);
}

#related-posts .blog-card-title {
  margin: 1rem 0 0.875rem;
  font-size: var(--blog-size-card-title);
}

#post-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  margin-block: 2rem;
}

.blog-neighbor {
  display: flex;
  flex-direction: column;
  min-width: 0;
  gap: 0.75rem;
  padding: 1.25rem;
  border: 1px solid var(--line-light);
  border-radius: var(--r);
  color: var(--ink);
  background: var(--surface);
  text-decoration: none;
  transition: border-color var(--speed) var(--ease);
}

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

.blog-neighbor-next {
  grid-column: 2;
}

.blog-neighbor-label {
  color: var(--ink-muted);
  font-size: var(--blog-size-meta);
}

.blog-neighbor-title {
  color: var(--ink);
  font-size: var(--blog-size-copy);
  line-height: 1.75;
  overflow-wrap: anywhere;
}

.blog-download-dialog {
  position: fixed;
  inset: 0;
  width: min(calc(100% - 2rem), var(--blog-modal-width));
  max-width: none;
  max-height: calc(100dvh - 2rem);
  margin: auto;
  padding: 0;
  overflow: auto;
  border: 1px solid var(--line-light);
  border-radius: var(--r);
  color: var(--ink);
  background: var(--surface);
  box-shadow: var(--shadow-float);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--blog-modal-speed) var(--ease), transform var(--blog-modal-speed) var(--ease);
}

.blog-download-dialog::backdrop {
  background: var(--scrim);
}

.blog-download-dialog.is-open {
  opacity: 1;
  transform: translateY(0);
}

.blog-download-dialog.is-closing {
  opacity: 0;
  transform: translateY(6px);
}

.blog-download-dialog-panel {
  position: relative;
  padding: 2.5rem 2rem 2rem;
}

.blog-download-dialog-close {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--clear);
  border-radius: var(--r-sm);
  color: var(--ink-muted);
  background: var(--surface);
  font-family: var(--font-body);
  font-size: var(--blog-size-close);
  line-height: 1;
  cursor: pointer;
}

.blog-download-dialog-close:hover {
  border-color: var(--line-light);
  color: var(--ink);
  background: var(--tint);
}

.blog-download-dialog-eyebrow {
  margin: 0 0 0.75rem;
  color: var(--ink-muted);
  font-size: var(--blog-size-meta);
}

.blog-download-dialog h2 {
  display: block;
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: var(--blog-size-h2);
  font-weight: var(--weight-title);
  line-height: 1.5;
}

#blog-download-dialog-copy {
  margin: 0 0 1.5rem;
  color: var(--ink-muted);
  font-size: var(--blog-size-copy);
  line-height: 1.8;
}

@media (max-width: 1050px) {
  .blog-post-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .blog-list-hero {
    padding: 3rem 0 2.5rem;
  }

  .blog-list-hero h1 {
    font-size: min(var(--blog-size-list-h1), 1.875rem);
  }

  .article-hero h1,
  .blog-article h1 {
    font-size: var(--blog-size-compact-h1);
  }

  .blog-catalog {
    padding: 2rem 0 3rem;
  }

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

  .blog-neighbor-next {
    grid-column: 1;
  }

  .blog-post-card {
    padding: 1.25rem;
  }

  .blog-download-dialog-panel {
    padding: 2.75rem 1.25rem 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .blog-filter,
  .blog-neighbor,
  .blog-download-dialog {
    transition: none;
  }

  .blog-download-dialog,
  .blog-download-dialog.is-closing {
    transform: none;
  }
}