/* Claude.com blog detail — editorial layout, scoped to post pages */

.post-article {
  --article-ink: #262626;
  --article-muted: #525252;
  --article-faint: #737373;
  --article-line: rgba(38, 38, 38, 0.12);
  --article-measure: 42rem;
  max-width: 1080px;
  margin: 0 auto;
  padding: 12px 24px 80px;
}

html.dark .post-article {
  --article-ink: #f5f5f5;
  --article-muted: #a3a3a3;
  --article-faint: #8a8a8a;
  --article-line: rgba(245, 245, 245, 0.14);
}

.post-article__crumb {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 8px 0 36px;
  font-size: 0.875rem;
  line-height: 1.4;
  color: var(--article-faint);
}

.post-article__crumb a {
  color: var(--article-muted);
  text-decoration: none;
  transition: color 160ms ease-out;
}

.post-article__crumb a:hover {
  color: var(--article-ink);
}

.post-article__crumb-sep {
  color: var(--article-line);
}

.post-article__crumb-current {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.post-article__shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

.post-article__title {
  margin: 0 0 16px;
  color: var(--article-ink);
  font-size: clamp(2.125rem, 4.6vw, 3.35rem);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.post-article__dek {
  margin: 0 0 8px;
  max-width: 36em;
  color: var(--article-muted);
  font-size: 1.2rem;
  font-weight: 400;
  line-height: 1.55;
}

html[lang="en"] .post-article__dek {
  font-style: italic;
}

.post-article__meta {
  padding: 28px 0 8px;
}

.post-article__meta-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px 28px;
  padding-bottom: 28px;
  margin-bottom: 36px;
  border-bottom: 1px solid var(--article-line);
}

.post-article__meta-label {
  margin-bottom: 6px;
  color: var(--article-faint);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 1.3;
  text-transform: uppercase;
}

.post-article__meta-value {
  color: var(--article-ink);
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.45;
}

.post-article__body {
  max-width: var(--article-measure);
  color: var(--article-ink);
  font-size: 1.125rem;
  line-height: 1.85;
}

.post-article__body > *:first-child {
  margin-top: 0;
}

.post-article__body p,
.post-article__body ul,
.post-article__body ol,
.post-article__body figure,
.post-article__body blockquote,
.post-article__body pre,
.post-article__body table {
  margin: 0 0 1.35em;
}

.post-article__body p + p {
  margin-top: -0.15em;
}

.post-article__body h1,
.post-article__body h2,
.post-article__body h3,
.post-article__body h4 {
  color: var(--article-ink);
  font-weight: 600;
  letter-spacing: -0.015em;
}

.post-article__body h1 {
  margin: 2.8em 0 0.8em;
  font-size: 1.75rem;
  line-height: 1.25;
}

.post-article__body h2 {
  margin: 2.6em 0 0.7em;
  font-size: 1.5rem;
  line-height: 1.3;
}

.post-article__body h3 {
  margin: 2em 0 0.55em;
  font-size: 1.2rem;
  line-height: 1.4;
}

.post-article__body h4 {
  margin: 1.6em 0 0.45em;
  font-size: 1.05rem;
  line-height: 1.45;
}

.post-article__body a {
  color: inherit;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  transition: color 160ms ease-out;
}

.post-article__body a:hover {
  color: var(--article-muted);
}

.post-article__body strong {
  font-weight: 600;
}

.post-article__body em {
  font-style: italic;
}

.post-article__body ul,
.post-article__body ol {
  list-style: none;
  padding-inline-start: 0;
}

.post-article__body ol {
  counter-reset: article-item;
}

.post-article__body li {
  position: relative;
  margin: 0.45em 0;
  padding-inline-start: 1.35em;
}

.post-article__body ul > li::before {
  content: "";
  position: absolute;
  inset-inline-start: 0.28em;
  top: 0.78em;
  width: 0.28em;
  height: 0.28em;
  border-radius: 50%;
  background: currentColor;
}

.post-article__body ol > li {
  counter-increment: article-item;
}

.post-article__body ol > li::before {
  content: counter(article-item) ".";
  position: absolute;
  inset-inline-start: 0;
  top: 0;
  color: var(--article-faint);
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-variant-numeric: tabular-nums;
}

.post-article__body li > p {
  margin-bottom: 0.4em;
}

.post-article__body blockquote {
  margin: 1.6em 0;
  padding: 0.1em 0 0.1em 1.1em;
  border-left: 2px solid var(--article-ink);
  color: var(--article-ink);
}

.post-article__body blockquote p {
  margin-bottom: 0.7em;
}

.post-article__body blockquote p:last-child {
  margin-bottom: 0;
}

.post-article__body img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 2rem 0;
  border-radius: 8px;
}

.post-article__body figure img {
  margin: 0;
}

.post-article__body figcaption {
  margin-top: 0.6em;
  color: var(--article-muted);
  font-size: 0.875rem;
  line-height: 1.5;
}

.post-article__body hr {
  margin: 2.6em 0;
  height: 1px;
  border: 0;
  background: var(--article-line);
}

.post-article__body code {
  padding: 0.12em 0.35em;
  font-size: 0.86em;
  background: rgba(125, 125, 125, 0.12);
  border-radius: 4px;
}

.post-article__body pre {
  padding: 1rem 1.1rem;
  overflow-x: auto;
  background: rgba(125, 125, 125, 0.1);
  border-radius: 10px;
}

.post-article__body pre code {
  padding: 0;
  background: none;
  font-size: 0.9em;
  line-height: 1.65;
}

.post-article__body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95em;
}

.post-article__body th,
.post-article__body td {
  padding: 0.55em 0.6em;
  border-bottom: 1px solid var(--article-line);
  text-align: start;
}

.post-article__related {
  max-width: var(--article-measure);
  margin: 72px 0 0;
  padding-top: 36px;
  border-top: 1px solid var(--article-line);
}

.post-article__related-title {
  margin: 0 0 20px;
  color: var(--article-ink);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.post-article__related-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.post-article__related-list li + li {
  border-top: 1px solid var(--article-line);
}

.post-article__related-list a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 0;
  color: var(--article-ink);
  text-decoration: none;
  transition: color 160ms ease-out;
}

.post-article__related-list a:hover {
  color: var(--article-muted);
}

.post-article__related-list time {
  color: var(--article-faint);
  font-size: 0.8125rem;
}

.post-article__related-list span {
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

@media (min-width: 900px) {
  .post-article {
    padding: 20px 32px 104px;
  }

  .post-article__crumb {
    margin-bottom: 48px;
  }

  .post-article__shell {
    grid-template-columns: 176px minmax(0, 1fr);
    grid-template-areas:
      "meta hero"
      "meta body";
    column-gap: 72px;
    align-items: start;
  }

  .post-article__hero {
    grid-area: hero;
    padding-bottom: 36px;
  }

  .post-article__title {
    margin-bottom: 18px;
  }

  .post-article__meta {
    grid-area: meta;
    padding: 6px 0 0;
  }

  .post-article__meta-inner {
    display: flex;
    flex-direction: column;
    gap: 22px;
    position: sticky;
    top: 28px;
    padding-bottom: 0;
    margin-bottom: 0;
    border-bottom: 0;
  }

  .post-article__body {
    grid-area: body;
  }

  .post-article__related {
    margin-left: calc(176px + 72px);
  }
}

@media (max-width: 640px) {
  .post-article {
    padding: 4px 20px 64px;
  }

  .post-article__title {
    font-size: 1.9rem;
    line-height: 1.18;
  }

  .post-article__dek {
    font-size: 1.05rem;
  }

  .post-article__body {
    font-size: 1.0625rem;
  }

  .post-article__meta-inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .post-article__crumb a,
  .post-article__body a,
  .post-article__related-list a {
    transition: none;
  }
}