:root {
  --blog-size-list-h1: clamp(1.875rem, 1.3rem + 2vw, 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-meta: 13px;
  --blog-size-code: 0.875em;
  --blog-line-body: 1.85;
  --blog-line-title: 1.32;
  --blog-focus-width: 3px;
  --blog-card-gap: 1.25rem;
  --blog-card-padding: 1.5rem;
  --blog-section-gap: 2rem;
}

.blog-index {
  background: var(--bg-light);
  color: var(--ink);
  font-family: var(--font-body);
}

.blog-skip {
  position: fixed;
  z-index: 1000;
  top: 0.75rem;
  left: 1rem;
  padding: 0.75rem 1rem;
  transform: translateY(-180%);
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--accent-dark);
  border-radius: var(--r-sm);
  font-family: var(--font-body);
}

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

.blog-list-hero {
  padding-block: 3.5rem 3rem;
  background:
    radial-gradient(ellipse at 80% 0%, var(--a-cobalt-40), var(--clear) 65%),
    linear-gradient(var(--a-grid) 1px, var(--clear) 1px),
    linear-gradient(90deg, var(--a-grid) 1px, var(--clear) 1px),
    var(--bg);
  background-size: auto, 32px 32px, 32px 32px, auto;
  color: var(--text);
}

.blog-list-hero .eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: var(--blog-size-meta);
  letter-spacing: 0.08em;
}

.blog-list-hero h1 {
  display: block;
  max-width: 100%;
  margin: 0;
  color: var(--text);
  font-family: var(--font-display);
  font-size: var(--blog-size-list-h1);
  font-weight: var(--weight-title);
  line-height: var(--blog-line-title);
  letter-spacing: -0.03em;
  overflow-wrap: break-word;
}

.blog-list-intro {
  max-width: var(--reading);
  margin: 1.25rem 0 0;
  color: var(--text-muted);
  font-size: var(--size-body);
  line-height: 1.8;
}

.blog-topic-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.blog-topic-strip span {
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--bg-panel);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: var(--blog-size-meta);
}

.blog-catalog {
  padding-block: 2.5rem 4rem;
  background: var(--bg-light);
  color: var(--ink);
}

.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 {
  display: block;
  margin: 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: var(--blog-size-h2);
  font-weight: var(--weight-strong);
  line-height: 1.4;
}

.blog-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: 1.75rem;
}

.blog-filters .blog-filter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.5rem 1rem;
  border: 1px solid var(--line-light);
  border-radius: var(--r-sm);
  background: var(--surface);
  color: var(--ink-muted);
  font-family: var(--font-body);
  font-size: var(--size-small);
  font-weight: var(--weight-strong);
  line-height: 1.5;
  cursor: pointer;
  box-shadow: none;
}

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

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

.blog-filters .blog-filter:focus-visible,
.blog-post-grid 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-dark);
  outline-offset: 4px;
}

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

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

.blog-post-grid .post-card,
#related-posts .post-card {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: 0;
  padding: var(--blog-card-padding);
  border: 1px solid var(--line-light);
  border-radius: var(--r-sm);
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow-card);
}

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

.post-meta time {
  font-family: var(--font-mono);
  font-size: var(--blog-size-meta);
}

.post-card .post-tag {
  max-width: 100%;
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--line-light);
  border-radius: var(--r-xs);
  background: var(--bg-light);
  color: var(--ink-muted);
  font-family: var(--font-body);
  font-size: var(--blog-size-meta);
  white-space: normal;
}

.blog-post-grid .post-card h3,
#related-posts .post-card h3 {
  display: block;
  margin: 1rem 0 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: var(--blog-size-h3);
  font-weight: var(--weight-strong);
  line-height: 1.55;
  overflow-wrap: break-word;
}

.post-card h3 a {
  color: var(--ink);
  text-decoration: none;
}

.post-card h3 a:hover {
  color: var(--accent-dark);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.post-card .post-summary {
  margin: 0.875rem 0 1.25rem;
  color: var(--ink-muted);
  font-size: var(--size-body);
  line-height: 1.8;
  overflow-wrap: break-word;
}

.post-card .post-read {
  align-self: flex-start;
  margin-top: auto;
  padding-top: 0.25rem;
  color: var(--accent-dark);
  font-size: var(--size-small);
  font-weight: var(--weight-strong);
  text-decoration: none;
}

.post-card .post-read: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-sm);
  background: var(--surface);
  color: var(--ink-muted);
  line-height: 1.8;
}

.blog-empty a {
  color: var(--accent-dark);
  text-underline-offset: 0.2em;
}

.blog-article,
.article-page,
body:has(> main.reading) {
  background: var(--bg-light);
  color: var(--ink);
  font-family: var(--font-body);
}

main.reading {
  padding-top: 2rem;
}

main.reading > article > header .label {
  border-color: var(--line-light);
  background: var(--bg-light);
  color: var(--ink-muted);
}

.blog-breadcrumb,
nav.breadcrumb,
nav.breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 0.5rem;
  min-width: 0;
  max-width: 100%;
  margin-top: 1.25rem;
  margin-bottom: 1.25rem;
  padding-block: 0;
  overflow: hidden;
  color: var(--ink-muted);
  font-family: var(--font-body);
  font-size: var(--blog-size-meta);
  line-height: 1.7;
  white-space: nowrap;
}

.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 > [aria-hidden="true"],
nav.breadcrumb > [aria-hidden="true"],
nav.breadcrumbs > [aria-hidden="true"] {
  flex: 0 0 auto;
  color: var(--ink-muted);
  opacity: 0.55;
}

.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(--ink-muted);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.blog-article main.section,
.article-page main.section,
.blog-article main > .section:first-child,
.article-page main > .section:first-child,
.section:has(> .blog-breadcrumb),
.section:has(> nav.breadcrumb),
.section:has(> nav.breadcrumbs),
.section:has(> .wrap > .blog-breadcrumb),
.section:has(> .wrap > nav.breadcrumb),
.section:has(> .wrap > nav.breadcrumbs) {
  padding-top: 0.75rem;
  padding-bottom: 0;
}

.article-hero,
.post-hero,
.article-hero.section,
.post-hero.section {
  margin-block: 0;
  padding-block: 0.5rem 1.75rem;
  background: var(--bg-light);
  color: var(--ink);
}

.article-hero .article-meta,
.article-hero .post-meta,
.post-hero .article-meta,
.post-hero .post-meta {
  margin-top: 0;
  margin-bottom: 1rem;
  color: var(--ink-muted);
}

.article-hero h1,
.post-hero h1,
.blog-article main h1,
.article-page main h1,
main.reading > header h1,
main.reading > article > header h1 {
  display: block;
  width: 100%;
  max-width: 100%;
  margin-block: 1rem;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: var(--blog-size-article-h1);
  font-weight: var(--weight-title);
  line-height: var(--blog-line-title);
  letter-spacing: -0.015em;
  overflow-wrap: break-word;
}

.article-lead,
.post-lead,
.article-hero > p:last-child,
.post-hero > p:last-child {
  max-width: 100%;
  margin-block: 1rem 0;
  color: var(--ink-muted);
  font-size: var(--blog-size-lead);
  line-height: 1.7;
}

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

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

.article-body :is(h1, h2, h3),
.prose :is(h1, h2, h3) {
  display: block;
  max-width: 100%;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: var(--weight-strong);
  overflow-wrap: break-word;
}

.article-body h2,
.prose h2 {
  margin-block: 2rem 1rem;
  font-size: var(--blog-size-h2);
  line-height: 1.5;
}

.article-body h3,
.prose h3 {
  margin-block: 1.5rem 0.75rem;
  font-size: var(--blog-size-h3);
  line-height: 1.5;
}

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

.article-body p,
.prose p,
.article-body ul,
.article-body ol,
.prose ul,
.prose ol {
  margin-block: 0.875rem;
}

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

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

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

.article-body section + section,
.prose section + section {
  margin-top: 2rem;
}

.article-body section > :last-child,
.prose section > :last-child {
  margin-bottom: 0;
}

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

.article-body .anchor-section,
.prose .anchor-section,
.article-body [id],
.prose [id] {
  scroll-margin-top: calc(var(--nav-h) + 1.5rem);
}

.article-body a:not([class*="btn"]):not([class*="button"]),
.prose a:not([class*="btn"]):not([class*="button"]) {
  color: var(--accent-dark);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

.article-body a:not([class*="btn"]):not([class*="button"]):hover,
.prose a:not([class*="btn"]):not([class*="button"]):hover {
  color: var(--ink);
}

.article-body code,
.prose code {
  padding: 0.1em 0.3em;
  border-radius: var(--r-xs);
  background: var(--surface);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: var(--blog-size-code);
  overflow-wrap: anywhere;
}

.article-body pre,
.prose pre {
  max-width: 100%;
  margin-block: 1.25rem;
  padding: 1.25rem;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: var(--blog-size-code);
  line-height: 1.8;
  overscroll-behavior-inline: contain;
}

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

.article-body blockquote,
.prose blockquote {
  margin: 1.25rem 0;
  padding: 0.75rem 1.25rem;
  border-inline-start: 3px solid var(--accent-dark);
  border-radius: var(--r-xs);
  background: var(--surface);
  color: var(--ink-muted);
}

.article-body blockquote > :first-child,
.prose blockquote > :first-child {
  margin-top: 0;
}

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

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

.article-body figure,
.prose figure {
  max-width: 100%;
  margin: 1.25rem 0;
}

.article-body figcaption,
.prose figcaption {
  margin-top: 0.5rem;
  color: var(--ink-muted);
  font-size: var(--blog-size-meta);
}

.article-body .table-scroll,
.prose .table-scroll {
  max-width: 100%;
  margin-block: 1.25rem;
  overflow-x: auto;
  border: 1px solid var(--line-light);
  border-radius: var(--r-sm);
  background: var(--surface);
}

.article-body table,
.prose table {
  display: block;
  width: 100%;
  max-width: 100%;
  margin-block: 1.25rem;
  overflow-x: auto;
  border-collapse: collapse;
  background: var(--surface);
  color: var(--ink);
  font-size: var(--size-small);
}

.article-body .table-scroll table,
.prose .table-scroll table {
  display: table;
  margin: 0;
}

.article-body :is(th, td),
.prose :is(th, td) {
  min-width: 7em;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--line-light);
  text-align: start;
  vertical-align: top;
  overflow-wrap: normal;
  word-break: normal;
}

.article-body th,
.prose th {
  background: var(--bg-light);
  color: var(--ink);
  font-weight: var(--weight-strong);
}

.article-end-card,
.article-body .article-end-card,
.prose .article-end-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-block: 2rem 0;
  padding: 1.5rem;
  border: 1px solid var(--line-light);
  border-radius: var(--r-sm);
  background: var(--surface);
  color: var(--ink);
}

.article-end-card .btn-ghost {
  border-color: var(--line-light);
  background: var(--surface);
  color: var(--ink);
}

.article-end-card > div {
  flex: 1 1 16rem;
  min-width: 0;
}

.article-end-card h2,
.article-body .article-end-card h2,
.prose .article-end-card h2 {
  display: block;
  margin: 0;
  color: var(--ink);
  font-size: var(--blog-size-h2);
  line-height: 1.5;
}

.article-end-card p {
  margin: 0.625rem 0 0;
  color: var(--ink-muted);
  font-size: var(--size-body);
  line-height: 1.7;
}

.article-end-card .row-actions,
.article-end-card .article-end-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin: 0;
}

#related-posts {
  min-width: 0;
  margin-block: var(--blog-section-gap) 0;
  padding-block: 0;
  color: var(--ink);
}

#related-posts .related-heading {
  display: block;
  margin: 0 0 1rem;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: var(--blog-size-h2);
  line-height: 1.5;
}

#related-posts .related-grid {
  display: grid;
  grid-template-columns: 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: 1.5rem 2rem;
  padding-block: 0;
}

#post-nav .post-nav-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
  min-width: 0;
  padding: 1.25rem;
  border: 1px solid var(--line-light);
  border-radius: var(--r-sm);
  background: var(--surface);
  color: var(--ink);
  text-decoration: none;
}

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

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

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

.post-nav-caption,
.post-nav-date {
  color: var(--ink-muted);
  font-size: var(--blog-size-meta);
  line-height: 1.6;
}

.post-nav-title {
  color: inherit;
  font-family: var(--font-display);
  font-size: var(--size-body);
  font-weight: var(--weight-strong);
  line-height: 1.7;
  overflow-wrap: break-word;
}

.post-nav-date {
  margin-top: auto;
  font-family: var(--font-mono);
}

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

@media (min-width: 700px) {
  #related-posts .related-grid {
    grid-template-columns: repeat(2, minmax(300px, 1fr));
  }
}

@media (max-width: 1024px) {
  .blog-post-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 699px) {
  .blog-post-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .blog-list-hero {
    padding-block: 2.5rem;
  }

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

  .blog-catalog-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .blog-list-hero h1 {
    font-size: var(--size-h1-mobile, 30px);
  }

  .article-hero h1,
  .post-hero h1,
  .blog-article main h1,
  .article-page main h1,
main.reading > header h1,
main.reading > article > header h1 {
    font-size: 1.5rem;
  }

  .article-end-card,
  .article-body .article-end-card,
  .prose .article-end-card {
    padding: 1.25rem;
  }

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

  #post-nav .post-nav-previous,
  #post-nav .post-nav-next {
    grid-column: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .blog-skip {
    transition: none;
  }
}