/* Case studies — house style (scoped to body.case-editorial only).
   Colours come from design-tokens.css. Do not reintroduce a separate palette.
   Nav + footer: do NOT override — each page's inline styles match home/whitepaper
   (JetBrains Mono 12px uppercase links, 19px brand, dark ink footer). */

.case-editorial { scroll-padding-top: 32px; }
.case-editorial :is(a, button, input, textarea, summary):focus-visible {
  outline: 2px solid var(--accent-deep);
  outline-offset: 5px;
}
.case-editorial .kicker {
  color: var(--accent-deep);
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: .12em;
}
.case-editorial .btn,
.case-editorial .hero-btn { border-radius: 8px; }

/* Hero — same rhythm as claims/workshop demo-hero */
.editorial-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
  padding: 72px var(--pad-x) 48px;
  max-width: none;
  min-height: 0;
  margin: 0;
}
.editorial-copy {
  padding: 0;
  align-self: center;
}
.editorial-copy .back-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font: 14px var(--sans);
  letter-spacing: 0;
  text-transform: none;
  color: var(--fog);
  margin-bottom: 28px;
  border: 0;
  padding: 0;
}
.editorial-copy .back-link:hover { color: var(--ink); }
.editorial-copy .kicker { margin-bottom: 18px; }
.editorial-copy h1 {
  font-size: clamp(40px, 5vw, 72px);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -.045em;
  margin: 0 0 24px;
  max-width: 16ch;
  text-wrap: balance;
  color: var(--ink);
}
.editorial-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.editorial-tags span {
  font-size: 12px;
  border: 1px solid var(--line);
  padding: 7px 12px;
  border-radius: 999px;
  color: var(--fog);
  background: var(--paper);
}
.editorial-art {
  margin: 0;
  position: relative;
  min-height: 0;
  align-self: stretch;
  background: var(--paper-2);
  border: 1px solid var(--line);
  overflow: hidden;
  aspect-ratio: 5 / 4;
}
.editorial-art img {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
  object-fit: cover;
  object-position: center;
  clip-path: none;
  filter: none;
}

/* Story: contents bar + article (no magazine sticky sidebar) */
.editorial-story {
  display: block;
  max-width: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.editorial-side {
  position: static;
  display: flex;
  gap: 20px 28px;
  align-items: center;
  flex-wrap: wrap;
  margin: 0 var(--pad-x);
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.editorial-side h2 {
  font: 11px/1.6 var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--fog);
  margin: 0;
  margin-right: auto;
}
.editorial-toc {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 8px 22px;
  font-size: 14px;
  line-height: 1.5;
}
.editorial-toc a {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  color: var(--ink-2);
}
.editorial-toc a:hover { color: var(--fog); }
.editorial-toc span {
  font: 11px var(--mono);
  color: var(--accent-deep);
}
.editorial-facts {
  display: none; /* facts remain in copy; bar stays light like claims-contents */
}

.editorial-article {
  min-width: 0;
  padding: 0;
}
.editorial-intro {
  padding: 48px var(--pad-x) 8px;
  max-width: calc(760px + 2 * var(--pad-x));
}
.editorial-intro p {
  font-size: 18px;
  line-height: 1.7;
  letter-spacing: -.01em;
  color: var(--fog);
  margin: 0 0 20px;
}
.editorial-intro .back-link {
  font: 15px var(--sans);
  letter-spacing: 0;
  text-transform: none;
  line-height: 1.6;
  border-bottom: 1px solid var(--line);
  padding-bottom: 8px;
  color: var(--ink);
  display: inline-flex;
}
.editorial-intro .back-link:hover { color: var(--fog); }

/* Sections inside the article */
.editorial-article .sec {
  padding: 84px var(--pad-x);
  background: transparent;
  border: none;
  border-top: 1px solid var(--line);
  color: var(--ink);
  scroll-margin-top: 32px;
}
.editorial-article .sec.challenge {
  background: var(--paper-2);
}
.editorial-article .sec-head {
  display: block;
  max-width: 800px;
  text-align: left;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 36px;
}
.editorial-article .sec-head > .kicker { margin-bottom: 16px; }
.editorial-article h2,
.editorial-article .matters-inner h2 {
  font-size: clamp(28px, 3.4vw, 44px);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -.03em;
  max-width: none;
  text-wrap: pretty;
  margin: 0;
}
.editorial-article .sec-head p,
.editorial-article .body p,
.editorial-article .matters-inner p {
  font-size: 18px;
  line-height: 1.75;
  max-width: 68ch;
  color: var(--fog);
}
.editorial-article .challenge-cols {
  grid-template-columns: minmax(0, 1.35fr) minmax(240px, 360px);
  gap: clamp(28px, 4vw, 64px);
}
.editorial-article .before-list { position: static; margin-top: 0; }
.editorial-article .bl-title { border-color: var(--line); }
.editorial-article .bl-row { gap: 24px; padding: 16px 0; }
.editorial-article .bl-row .k {
  font: 13px/1.5 var(--sans);
  letter-spacing: 0;
  text-transform: none;
}
.editorial-article .bl-row .n {
  font-size: 18px;
  font-weight: 500;
  line-height: 1.35;
}
.editorial-article .cs-hero-stats {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px 32px;
  margin-top: 34px;
  border-color: var(--line);
  padding: 25px 0 0;
}
.editorial-article .stat .v { font-size: 38px; font-weight: 400; }
.editorial-article .stat .v .sup {
  font-family: var(--sans);
  font-style: normal;
  font-weight: 400;
  font-size: 0.55em;
  color: var(--accent-deep);
}
.editorial-article .stat .l { font-size: 11px; line-height: 1.6; }
.editorial-article .ph-note { font-size: 11px; line-height: 1.6; padding: 20px 0 0; }

/* Process stages — ordered list, not competing cards */
.editorial-article .stages-grid { display: block; }
.editorial-article .stage {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  column-gap: 18px;
  padding: 28px 0;
  border: none;
  border-top: 1px solid var(--line);
  background: transparent;
  min-height: 0;
}
.editorial-article .stage::after { content: none; }
.editorial-article .stage-head {
  grid-column: 1;
  grid-row: 1 / 4;
  display: block;
  margin: 0;
  padding: 4px 0 0;
}
.editorial-article .stage-idx {
  font: 12px var(--mono);
  font-style: normal;
  color: var(--accent-deep);
}
.editorial-article .stage-phase { display: none; }
.editorial-article .stage h3 {
  grid-column: 2;
  font-size: 22px;
  font-weight: 500;
  margin: 0 0 10px;
  line-height: 1.3;
  text-wrap: pretty;
}
.editorial-article .stage p {
  grid-column: 2;
  font-size: 16px;
  line-height: 1.7;
  margin: 0 0 12px;
}
.editorial-article .stage-out {
  grid-column: 2;
  border: none;
  padding: 0;
  font: 13px/1.6 var(--sans);
  color: var(--fog);
}
.editorial-article .stage-out b {
  display: inline;
  font: inherit;
  margin-right: 12px;
  text-transform: none;
  color: var(--accent-deep);
}

/* Trace / demos — fixed size (no scroll/zoom growth, no full-bleed expand) */
.editorial-article .trace-sec .sec-head h2 { color: var(--paper); }
.editorial-article .trace-sec .sec-head p { color: var(--dh-on-dark, #cbd2d8); }
.editorial-article .trace-sec {
  /* keep section padding normal; do not sticky/scale the block */
  transform: none;
}
.editorial-article .trace {
  /* restore the neat fixed panel from the page inline styles */
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 300px);
  min-height: 480px;
  max-height: 560px;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  background: #181b24;
  color: var(--paper);
  transform: none;
  zoom: 1;
}
.editorial-article .trace-log,
.editorial-article .graph-pane { min-width: 0; overflow: hidden; }
.editorial-article .trace-log {
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.editorial-article .trace-lines {
  flex: 1 1 auto;
  overflow: hidden;
  min-height: 0;
}
.editorial-article .trace-line { overflow-wrap: anywhere; }
.editorial-article .trace-chrome { flex-wrap: wrap; font-size: 10px; }
.editorial-article .trace-rail {
  border-left: 1px solid rgba(243, 245, 246, 0.18);
  border-top: none;
  flex-direction: column;
  flex-wrap: nowrap;
  gap: 24px;
  overflow: auto;
}
.editorial-article .counter .v { font-size: 32px; }
.editorial-article .counter .l { line-height: 1.6; }
.editorial-article .graph-svg { min-height: 300px; max-height: 420px; }
@media (max-width: 900px) {
  .editorial-article .trace {
    grid-template-columns: 1fr;
    min-height: 420px;
    max-height: none;
  }
  .editorial-article .trace-rail {
    border-left: none;
    border-top: 1px solid rgba(243, 245, 246, 0.18);
    flex-direction: row;
    flex-wrap: wrap;
  }
}

.editorial-article .matters-inner { text-align: left; }
.editorial-product {
  margin: 40px 0 0;
  background: var(--paper-2);
  padding: 25px 25px 0;
}
.editorial-product img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--line);
}
.editorial-product figcaption {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--fog);
}
.editorial-product a {
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* Related + closing */
.case-editorial .related {
  padding: 84px var(--pad-x);
  border: none;
  border-top: 1px solid var(--line);
}
.case-editorial .related .sec-head {
  align-items: flex-start;
  text-align: left;
  gap: 14px;
  margin-bottom: 36px;
}
.case-editorial .related h2 {
  font-size: clamp(28px, 3.2vw, 40px);
  font-weight: 400;
  letter-spacing: -.03em;
}
.case-editorial .related-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 40px;
}
.case-editorial .case-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  border: none;
  border-top: 1px solid var(--line);
  padding: 24px 0 0;
  background: transparent;
}
.case-editorial .case-card::before { content: none; }
.case-editorial .case-card:hover { box-shadow: none; }
.case-editorial .cc-outcomes { display: none; }
.case-editorial .case-card h3 {
  font-size: 24px;
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: -.02em;
}
.case-editorial .case-card p { font-size: 16px; line-height: 1.65; color: var(--fog); }
.case-editorial .case-card .cc-link {
  background: transparent;
  color: var(--ink);
  padding: 10px 0;
  margin-top: auto;
  justify-content: flex-start;
  gap: 20px;
  font-size: 14px;
}
.case-editorial .case-card .cc-link .arrow { color: var(--ink); }
.case-editorial .closing { padding-left: var(--pad-x); padding-right: var(--pad-x); }
.case-editorial .closing .row { font-weight: 400; }


:lang(zh) .editorial-copy h1 { line-height: 1.2; letter-spacing: -.03em; }

@media (max-width: 1100px) {
  .editorial-hero { grid-template-columns: 1fr 0.9fr; }
  .editorial-copy h1 { font-size: clamp(36px, 5vw, 56px); }
}
@media (max-width: 900px) {
  .editorial-article .challenge-cols { grid-template-columns: 1fr; }
  .case-editorial .related-grid { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .editorial-hero {
    grid-template-columns: 1fr;
    padding: 40px var(--pad-x) 36px;
    gap: 28px;
  }
  .editorial-copy h1 { font-size: clamp(34px, 9vw, 44px); max-width: none; }
  :lang(zh) .editorial-copy h1 { font-size: clamp(30px, 9vw, 40px); }
  .editorial-art { aspect-ratio: 4 / 3; min-height: 220px; }
  .editorial-side {
    margin: 0 var(--pad-x);
    padding: 18px 0;
  }
  .editorial-toc span { display: none; }
  .editorial-intro { padding: 36px var(--pad-x) 8px; }
  .editorial-intro p { font-size: 17px; }
  .editorial-article .sec { padding: 48px var(--pad-x); }
  .editorial-article h2,
  .editorial-article .matters-inner h2 { font-size: 28px; }
  .editorial-article .sec-head p,
  .editorial-article .body p,
  .editorial-article .matters-inner p { font-size: 17px; }
  .editorial-article .stack-grid { grid-template-columns: 1fr; gap: 24px; }
  .editorial-article .people-grid { grid-template-columns: 1fr; }
  .editorial-article .sys-row { grid-template-columns: 1fr; }
  .editorial-article .sys-tag { grid-column: 1; grid-row: 3; justify-self: start; }
  .editorial-article .graph-pane { padding: 18px 10px; }
  .editorial-article .graph-svg { min-height: 190px; }
  .editorial-article .trace-log { padding: 18px 14px; }
  .editorial-article .trace-line { font-size: 10px; }
  .editorial-product { padding: 15px 15px 0; }
  .editorial-product figcaption { flex-wrap: wrap; gap: 10px; font-size: 12px; }
  .case-editorial .related { padding: 48px var(--pad-x); }
  .case-editorial .related h2 { font-size: 28px; }
  .editorial-article .cs-hero-stats { grid-template-columns: 1fr; }
}
@media (max-width: 380px) {
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}