/* Editorial desks: one structural system, four distinct registers. */
body.section-news { --section-accent: #ee7255; --section-accent-soft: #f5d2c9; --section-accent-ink: #5f1c11; }
body.section-guides { --section-accent: #7ba0dc; --section-accent-soft: #d9e3f3; --section-accent-ink: #183b72; }
body.section-security { --section-accent: #e0aa47; --section-accent-soft: #f2e2bd; --section-accent-ink: #60400d; }
body.section-ecosystem { --section-accent: #80b487; --section-accent-soft: #d9e9db; --section-accent-ink: #214f29; }

.section-hero {
  position: relative;
  overflow: hidden;
  background: var(--section-accent);
  color: var(--ink);
  border-bottom: var(--rule-strong);
}
.section-hero-inner {
  position: relative;
  max-width: var(--max);
  min-height: 0;
  margin: 0 auto;
  padding: clamp(3.2rem, 5vw, 5rem) var(--gutter) clamp(3.4rem, 5vw, 5rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2rem;
  align-items: start;
}
.section-hero-copy { position: relative; z-index: 2; max-width: 830px; }
.section-hero .eyebrow { color: var(--ink); }
.section-hero h1 {
  max-width: 10ch;
  margin: .9rem 0 1.1rem;
  font-family: var(--font-display);
  font-size: clamp(3.8rem, 6.8vw, 7rem);
  font-weight: 500;
  letter-spacing: -.072em;
  line-height: .9;
}
.section-deck {
  max-width: 720px;
  margin: 0;
  color: var(--ink-soft);
  font-family: var(--font-reading);
  font-size: clamp(1.08rem, 1.8vw, 1.35rem);
  line-height: 1.55;
}
.section-register {
  align-self: start;
  color: rgba(17, 19, 15, .22);
  font-family: var(--font-display);
  font-size: clamp(5rem, 12vw, 11rem);
  font-weight: 700;
  letter-spacing: -.11em;
  line-height: .72;
  white-space: nowrap;
}
.section-list { min-height: 35vh; padding: 0 0 clamp(5rem, 9vw, 8rem); }
.section-list .wrap { padding-top: clamp(3.5rem, 7vw, 6rem); padding-bottom: 0; }
.section-block + .section-block { margin-top: clamp(4rem, 8vw, 7rem); }
.section-block > .kicker { margin-bottom: 1.3rem; color: var(--section-accent-ink); }

.featured-grid,
.post-grid { display: grid; gap: clamp(1.2rem, 2.6vw, 2.2rem); align-items: stretch; }
.featured-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.post-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.post-card {
  position: relative;
  min-width: 0;
  display: flex;
  flex-direction: column;
  background: var(--paper-raised);
  border-top: 7px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  color: var(--ink);
  text-decoration: none;
  transition: background-color 140ms ease;
}
.featured-grid .post-card { border-top-color: var(--section-accent); }
.featured-grid .post-card:first-child:last-child {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(300px, 1.12fr) minmax(300px, .88fr);
  align-items: stretch;
}
.post-card-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--ink);
  border-bottom: 1px solid var(--ink);
}
.featured-grid .post-card:first-child:last-child .post-card-media { height: 100%; aspect-ratio: auto; border-right: 1px solid var(--ink); border-bottom: 0; }
.post-card-media::after {
  content: "";
  position: absolute;
  inset: 0;
  border: .55rem solid transparent;
  pointer-events: none;
}
.post-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.72) contrast(1.08);
  transition: transform 220ms ease, filter 220ms ease;
}
.post-card-content { min-width: 0; flex: 1; display: flex; flex-direction: column; padding: 1.25rem 1.3rem 1.35rem; }
.featured-grid .post-card:first-child:last-child .post-card-content { justify-content: center; padding: clamp(1.5rem, 4vw, 3rem); }
.post-card .kicker { color: var(--section-accent-ink); }
.post-card h2,
.post-card h3 {
  margin: .9rem 0 .75rem;
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 2.7vw, 2.45rem);
  font-weight: 600;
  letter-spacing: -.045em;
  line-height: 1.02;
}
.featured-grid .post-card:first-child:last-child h2 { font-size: clamp(2.2rem, 4.2vw, 4.2rem); }
.post-card p {
  margin: 0;
  color: var(--muted);
  font-family: var(--font-reading);
  font-size: .96rem;
  line-height: 1.62;
}
.post-card-meta {
  margin-top: auto;
  padding-top: 1.4rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: .63rem;
  font-weight: 700;
  letter-spacing: .02em;
  text-transform: uppercase;
}
.post-card:hover { background: var(--section-accent-soft); }
.post-card:hover img { transform: scale(1.025); filter: saturate(.95) contrast(1.08); }
.empty-state {
  max-width: 760px;
  padding: 2rem 0;
  border-top: 7px solid var(--section-accent);
  border-bottom: 1px solid var(--ink);
  color: var(--muted);
  font-family: var(--font-reading);
  font-size: 1.1rem;
}
.empty-state a { display: inline-block; margin-top: .8rem; color: var(--ink); font-family: var(--font-mono); font-size: .68rem; font-weight: 800; text-transform: uppercase; }
.pagination { display: flex; justify-content: center; gap: 0; margin-top: 3.5rem; }
.pagination a,
.pagination span { min-width: 2.8rem; min-height: 2.8rem; display: grid; place-items: center; border: 1px solid var(--ink); margin-left: -1px; font-family: var(--font-mono); font-size: .7rem; text-decoration: none; }
.pagination .current { background: var(--section-accent); font-weight: 800; }

/* Article pages */
.article-hero { border-top: .8rem solid var(--section-accent); border-bottom: var(--rule-strong); background: var(--paper-deep); }
.article-hero-inner { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter) clamp(3.5rem, 7vw, 6rem); }
.article-hero .breadcrumbs { max-width: none; padding-left: 0; padding-right: 0; }
.article-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(2rem, 6vw, 6rem);
  align-items: end;
  padding-top: clamp(3rem, 6vw, 5.5rem);
}
.article-section {
  display: inline-flex;
  padding: .38rem .55rem;
  background: var(--section-accent);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: .65rem;
  font-weight: 800;
  letter-spacing: .055em;
  text-transform: uppercase;
}
.article-hero h1 {
  max-width: 13ch;
  margin: .9rem 0 1.15rem;
  font-family: var(--font-display);
  font-size: clamp(3.3rem, 7vw, 7rem);
  font-weight: 500;
  letter-spacing: -.066em;
  line-height: .9;
}
.article-deck { max-width: 790px; margin: 0; color: var(--ink-soft); font-family: var(--font-reading); font-size: clamp(1.08rem, 1.8vw, 1.3rem); line-height: 1.6; }
.article-meta { display: flex; flex-wrap: wrap; gap: .45rem 1.2rem; margin-top: 1.6rem; color: var(--muted); font-family: var(--font-mono); font-size: .64rem; font-weight: 700; letter-spacing: .025em; text-transform: uppercase; }
.article-meta span + span::before { content: "/"; margin-right: 1.2rem; color: var(--ink); }
.article-register { align-self: start; color: var(--section-accent); font-family: var(--font-display); font-size: clamp(5rem, 13vw, 12rem); font-weight: 700; letter-spacing: -.1em; line-height: .72; white-space: nowrap; }
.article-shell {
  max-width: 1120px;
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 5rem) var(--gutter) clamp(5rem, 9vw, 8rem);
  display: grid;
  grid-template-columns: 245px minmax(0, var(--article));
  gap: clamp(2.5rem, 6vw, 6rem);
  justify-content: center;
  align-items: start;
}
.article-shell .toc { top: 9.7rem; }
.article { min-width: 0; }
.hero-image { margin: 0 0 3rem; }
.hero-image img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; border: 1px solid var(--ink); filter: saturate(.76) contrast(1.08); }
.hero-image figcaption { margin-top: .65rem; color: var(--muted); font-family: var(--font-mono); font-size: .63rem; line-height: 1.45; text-transform: uppercase; }
.article-body { min-width: 0; }
.article-body p,
.article-body li { color: var(--ink-soft); font-family: var(--font-reading); font-size: 1.08rem; line-height: 1.78; }
.article-body h2 {
  margin: 4.3rem 0 1.25rem;
  padding-top: .65rem;
  border-top: var(--rule-strong);
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 4.5vw, 3.65rem);
  font-weight: 600;
  letter-spacing: -.052em;
  line-height: 1;
}
.article-body h3 { margin: 2.7rem 0 .8rem; font-family: var(--font-display); font-size: clamp(1.45rem, 2.6vw, 2rem); font-weight: 600; letter-spacing: -.035em; line-height: 1.1; }
.article-body a { color: var(--ink); text-decoration-color: var(--section-accent-ink); text-decoration-thickness: 2px; text-underline-offset: 3px; }
.article-body ul,
.article-body ol { padding-left: 1.35rem; }
.notice,
.key-facts,
.guide-summary,
.requirements,
.troubleshooting {
  margin: 2rem 0;
  padding: 1.25rem 1.35rem;
  border: 0;
  border-top: 6px solid var(--section-accent);
  border-bottom: 1px solid var(--ink);
  background: var(--section-accent-soft);
}
.sources,
.related { margin-top: 4rem; padding-top: 1rem; border-top: var(--rule-strong); }
.sources h2,
.related h2 { margin: 0 0 1.2rem; font-family: var(--font-display); font-size: 2rem; line-height: 1; }
.source-card,
.article .related a {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: .4rem 1rem;
  margin: 0;
  padding: 1rem 0;
  border: 0;
  border-bottom: 1px solid var(--ink);
  background: transparent;
  text-decoration: none;
}
.source-card strong { font-family: var(--font-reading); font-size: 1rem; }
.source-card small { grid-column: 1; color: var(--muted); font-family: var(--font-mono); font-size: .62rem; text-transform: uppercase; }
.source-card a { grid-column: 2; grid-row: 1 / span 2; align-self: center; font-family: var(--font-mono); font-size: .65rem; font-weight: 800; text-transform: uppercase; }
.article .related { display: block; border-left: 0; }
.article .related a { min-height: 0; align-items: center; }
.article .related a:hover { background: var(--section-accent-soft); }

.card-labels { display: flex; flex-wrap: wrap; gap: .35rem; margin-bottom: .6rem; }
.severity-badge,
.status-badge,
.project-status,
.verification-pill {
  display: inline-flex;
  align-items: center;
  min-height: 1.65rem;
  padding: .22rem .42rem;
  border: 1px solid var(--ink);
  border-radius: 0;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: .58rem;
  font-weight: 800;
  line-height: 1;
  text-transform: uppercase;
}
.severity-critical,
.severity-high,
.verification-unverified,
.verification-disputed { background: var(--danger-soft); border-color: var(--danger); color: #6f1711; }
.severity-medium,
.status-monitoring { background: var(--warning-soft); border-color: var(--warning); color: #6b3a0c; }
.severity-low,
.severity-informational { background: var(--info-soft); border-color: #54749b; color: #273f5b; }
.status-active,
.verification-officially-documented,
.verification-independently-verified { background: var(--signal-soft); border-color: #61871d; color: #2c4d0d; }
.status-resolved,
.status-historical,
.status-evergreen,
.verification-partially-verified { background: var(--paper-deep); border-color: var(--muted); }

@media (max-width: 1000px) {
  .post-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .article-shell { grid-template-columns: 215px minmax(0, var(--article)); gap: 2.5rem; }
}

@media (max-width: 900px) {
  .section-hero-inner { min-height: 0; grid-template-columns: 1fr; padding-top: 3.4rem; }
  .section-register { position: absolute; right: var(--gutter); top: 2.2rem; font-size: 8rem; }
  .article-hero-grid { grid-template-columns: 1fr; }
  .article-register { display: none; }
  .article-shell { display: block; }
  .article-shell .toc { position: static; margin-bottom: 3rem; }
}

@media (max-width: 700px) {
  .featured-grid,
  .post-grid { grid-template-columns: 1fr; }
  .featured-grid .post-card:first-child:last-child { display: flex; grid-column: auto; }
  .featured-grid .post-card:first-child:last-child .post-card-media { height: auto; aspect-ratio: 16 / 9; border-right: 0; border-bottom: 1px solid var(--ink); }
  .featured-grid .post-card:first-child:last-child .post-card-content { padding: 1.4rem; }
  .article-meta span + span::before { display: none; }
}

@media (max-width: 620px) {
  .section-hero-inner { min-height: 0; padding-top: 3.2rem; padding-bottom: 3.5rem; }
  .section-hero h1 { max-width: none; font-size: clamp(3.15rem, 14.5vw, 4.9rem); }
  .section-register { top: 1.5rem; font-size: 6rem; }
  .article-hero-inner { padding-bottom: 3.5rem; }
  .article-hero h1 { max-width: none; font-size: clamp(3.15rem, 15vw, 5rem); }
  .article-meta { display: grid; gap: .35rem; }
  .article-shell { padding-top: 2rem; padding-bottom: 5rem; }
  .article-body p,
  .article-body li { font-size: 1.02rem; line-height: 1.72; }
  .article-body h2 { margin-top: 3.4rem; font-size: clamp(2.15rem, 10vw, 3rem); }
  .source-card { grid-template-columns: 1fr; }
  .source-card a { grid-column: 1; grid-row: auto; }
}

/* The active desk inherits its editorial color rather than the global signal color. */
.section-page .section-nav a[aria-current="page"],
.article-page .section-nav a[aria-current="page"] {
  background: var(--section-accent);
  color: var(--ink);
}