:root {
  --sf-reader-width: 780px;
  --sf-wide-width: 1040px;
}

.article-page {
  max-width: none;
  overflow-x: clip;
  padding: 18px 0 48px;
}

.article-hero {
  display: flex;
  flex-direction: column;
  gap: 0;
  width: 100%;
  max-width: var(--sf-wide-width);
  margin: 0 auto;
}

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

.article-hero-media {
  order: 1;
  overflow: hidden;
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: var(--shadow-soft);
}

.article-hero-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  border-radius: 8px;
  object-fit: cover;
}

.article-hero-media p {
  display: block;
  margin: 0;
  padding: 12px 14px 14px;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.55;
}

.article-hero-copy {
  order: 2;
  width: calc(100vw - 32px);
  max-width: var(--sf-reader-width);
  margin: 0 auto;
  padding: 22px 0 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.article-hero-copy > * {
  max-width: calc(100vw - 32px);
}

.article-title {
  margin: 14px 0 14px;
  color: var(--ink);
  font-size: clamp(2rem, 8vw, 2.6rem);
  letter-spacing: 0;
  overflow-wrap: break-word;
  white-space: normal;
}

.article-standfirst {
  max-width: 68ch;
  color: var(--muted-strong);
  font-size: 1.04rem;
  line-height: 1.7;
  overflow-wrap: break-word;
  white-space: normal;
}

.reading-meta {
  gap: 10px 16px;
  margin-top: 16px;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.45;
  max-width: calc(100vw - 32px);
}

.author-block {
  margin-top: 22px;
  padding-top: 18px;
}

.author-copy {
  min-width: 0;
}

.author-copy span {
  display: block;
  overflow-wrap: anywhere;
  max-width: calc(100vw - 106px);
}

.article-layout {
  display: block;
  width: calc(100vw - 32px);
  max-width: var(--sf-reader-width);
  margin: 28px auto 0;
}

.content-card {
  width: 100%;
  min-width: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.content-card section + section {
  margin-top: 34px;
}

.content-card h2 {
  margin: 0 0 12px;
  font-size: clamp(1.45rem, 6vw, 1.85rem);
  line-height: 1.28;
  letter-spacing: 0;
}

.content-card h3 {
  margin: 24px 0 10px;
  font-size: 1.18rem;
  line-height: 1.35;
}

.content-card p,
.content-card li {
  color: var(--muted-strong);
  font-size: 1.04rem;
  line-height: 1.78;
  overflow-wrap: break-word;
  white-space: normal;
}

.content-card p {
  margin: 0 0 16px;
}

.content-card ul,
.content-card ol {
  margin: 14px 0 0;
  padding-left: 22px;
}

.content-card a,
.reference-list a {
  overflow-wrap: anywhere;
}

.card-grid {
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 20px;
}

.card,
.callout,
blockquote,
pre,
.table-wrap,
.article-figure img,
.related-card {
  border-radius: 8px;
}

.card {
  padding: 18px;
}

.callout {
  margin: 18px 0;
  padding: 16px 18px;
}

.table-wrap {
  max-width: 100%;
  margin: 20px 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.article-table {
  min-width: 640px;
}

.article-table th,
.article-table td {
  padding: 12px 14px;
  font-size: 0.95rem;
}

pre {
  max-width: 100%;
  padding: 16px;
  font-size: 0.9rem;
}

.toc-card {
  display: none;
}

.related-section {
  margin-top: 34px;
}

.related-grid {
  grid-template-columns: 1fr;
}

.doc-hero .article-hero-copy {
  order: 1;
}

.doc-hero .article-hero-media {
  order: 2;
  margin-top: 22px;
  padding: 18px;
  overflow: visible;
}

@media (max-width: 720px) {
  .shell {
    padding-right: 16px;
    padding-left: 16px;
  }

  .article-page {
    padding-top: 10px;
  }

  .article-hero-media {
    margin-right: -16px;
    margin-left: -16px;
    border-radius: 0;
  }

  .article-hero-media img {
    border-radius: 0;
  }

  .article-hero-media p {
    width: 100%;
    max-width: calc(100vw - 32px);
    margin-right: auto;
    margin-left: 0;
    padding-right: 16px;
    padding-left: 16px;
  }

  .article-hero-copy,
  .article-layout,
  .content-card {
    width: 100%;
    max-width: calc(100vw - 32px);
    margin-right: auto;
    margin-left: 0;
  }

  .article-hero-copy > *,
  .content-card section,
  .content-card section > * {
    max-width: 100% !important;
  }

  .eyebrow {
    padding: 7px 11px;
    font-size: 0.78rem;
    line-height: 1.3;
  }

  .author-avatar {
    width: 52px;
    height: 52px;
  }

  .doc-hero .article-hero-media {
    margin-right: 0;
    margin-left: 0;
    border-radius: 8px;
  }

  .doc-hero .hero-metrics {
    grid-template-columns: 1fr;
    gap: 12px;
    width: 100%;
  }

  .doc-hero .metric {
    border-radius: 8px;
  }
}

@media (max-width: 520px) {
  .article-hero-media p,
  .article-hero-copy,
  .article-layout,
  .content-card {
    max-width: 358px;
  }
}

@media (min-width: 760px) {
  .article-page {
    padding-top: 34px;
  }

  .article-hero-media img {
    aspect-ratio: 21 / 9;
  }

  .article-hero-copy {
    padding-top: 30px;
  }

  .article-title {
    font-size: clamp(2.4rem, 5vw, 3.45rem);
  }

  .article-standfirst {
    font-size: 1.14rem;
  }

  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 1060px) {
  .article-layout {
    display: grid;
    grid-template-columns: 220px minmax(0, var(--sf-reader-width));
    gap: 40px;
    width: 100%;
    max-width: var(--sf-wide-width);
    align-items: start;
  }

  .toc-card {
    position: sticky;
    top: 92px;
    display: block;
    padding: 18px;
    border-radius: 8px;
    box-shadow: var(--shadow-soft);
  }

  .toc-card h2 {
    font-size: 1rem;
  }

  .toc-card ol {
    padding-left: 18px;
    font-size: 0.94rem;
    line-height: 1.5;
  }
}