.content-hero {
  padding: 42px 0 72px;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(rgba(36, 92, 200, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 92, 200, .045) 1px, transparent 1px),
    var(--paper);
  background-size: 44px 44px;
}

.content-hero .breadcrumb { margin-bottom: 48px; }

.content-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(310px, .52fr);
  gap: 72px;
  align-items: end;
}

.content-eyebrow {
  display: inline-flex;
  margin-bottom: 18px;
  padding: 5px 9px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--blue-dark);
  background: rgba(255,255,255,.8);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .08em;
}

.content-hero h1 {
  max-width: 850px;
  margin-bottom: 22px;
  font-size: clamp(42px, 6vw, 70px);
  line-height: 1.08;
  letter-spacing: -.05em;
}

.content-dek {
  max-width: 780px;
  margin: 0;
  color: #44536a;
  font-size: clamp(18px, 2vw, 21px);
  line-height: 1.8;
}

.answer-card {
  position: relative;
  padding: 28px;
  border: 1px solid var(--line-strong);
  border-top: 5px solid var(--blue);
  border-radius: var(--radius-md);
  background: #fff;
  box-shadow: var(--shadow);
}

.answer-card h2 { margin: 9px 0 12px; font-size: 22px; line-height: 1.35; }
.answer-card p { margin: 0; color: var(--muted); }
.answer-label { color: var(--blue-dark); font-family: var(--font-mono); font-size: 11px; font-weight: 800; letter-spacing: .1em; }

.content-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-top: 28px;
  color: #6b788b;
  font-size: 12px;
}

.content-nav {
  position: sticky;
  z-index: 20;
  top: 76px;
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(12px);
}

.content-nav .shell {
  display: flex;
  gap: 26px;
  overflow-x: auto;
  padding-block: 14px;
  scrollbar-gutter: stable;
}

.content-nav a { flex: 0 0 auto; color: #526078; font-size: 13px; font-weight: 750; }
.content-nav a:hover { color: var(--blue-dark); }

.content-section { padding: 84px 0; scroll-margin-top: 150px; }
.content-section + .content-section { border-top: 1px solid var(--line); }
.content-section.white { background: #fff; }
.content-section.night { color: #fff; background: var(--night); border-top: 0; }

.content-section-head {
  display: grid;
  grid-template-columns: minmax(0, .66fr) minmax(300px, .34fr);
  gap: 64px;
  align-items: end;
  margin-bottom: 38px;
}

.content-section-head h2 {
  margin: 7px 0 0;
  font-size: clamp(31px, 4vw, 47px);
  line-height: 1.2;
  letter-spacing: -.035em;
}

.content-section-head > p { margin: 0; color: var(--muted); }
.night .content-section-head > p { color: #b7c2d5; }

.prose-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.prose-card {
  padding: 27px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: #fff;
}
.prose-card.wide { grid-column: 1 / -1; }
.prose-card h3 { margin: 0 0 12px; font-size: 23px; line-height: 1.35; }
.prose-card p { margin: 0; color: var(--muted); }
.prose-card p + p { margin-top: 13px; }
.prose-card ul { margin: 14px 0 0; padding-left: 20px; color: #45546a; }
.prose-card li + li { margin-top: 7px; }
.prose-card a { color: var(--blue-dark); text-decoration: underline; text-underline-offset: 3px; }

.fact-ledger { border-top: 2px solid var(--ink); }
.fact-row {
  display: grid;
  grid-template-columns: minmax(170px, .32fr) minmax(0, .68fr);
  gap: 32px;
  padding: 25px 12px;
  border-bottom: 1px solid var(--line-strong);
}
.fact-row dt { font-weight: 800; }
.fact-row dd { margin: 0; color: var(--muted); }
.fact-row a { color: var(--blue-dark); text-decoration: underline; text-underline-offset: 3px; }

.intent-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: #fff;
  scrollbar-gutter: stable;
}

.intent-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-size: 15px;
  line-height: 1.65;
}

.intent-table th,
.intent-table td {
  padding: 19px 20px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.intent-table tr:last-child th,
.intent-table tr:last-child td { border-bottom: 0; }
.intent-table th:last-child,
.intent-table td:last-child { border-right: 0; }
.intent-table thead th {
  color: #fff;
  background: var(--night);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .055em;
  text-transform: uppercase;
}
.intent-table tbody th {
  width: 18%;
  color: var(--ink);
  background: #f4f7fb;
  font-size: 15px;
}
.intent-table tbody tr:nth-child(even) td { background: #fbfcff; }
.table-note {
  max-width: 940px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.intent-band {
  background:
    linear-gradient(90deg, rgba(36,92,200,.07) 1px, transparent 1px),
    linear-gradient(rgba(36,92,200,.07) 1px, transparent 1px),
    #eef4ff;
  background-size: 44px 44px;
}

.flow-line {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
  border-left: 1px solid var(--line-strong);
}

.flow-line article {
  position: relative;
  min-height: 255px;
  padding: 25px;
  border-right: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  background: #fff;
}

.flow-line span {
  display: inline-grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--blue);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
}

.flow-line h3 { margin: 30px 0 10px; font-size: 19px; line-height: 1.35; }
.flow-line p { margin: 0; color: var(--muted); }

.code-panel {
  display: grid;
  grid-template-columns: minmax(220px, .34fr) minmax(0, .66fr);
  gap: 34px;
  margin-top: 28px;
  padding: 26px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: #fff;
}

.code-panel h3 { margin: 0 0 10px; font-size: 21px; }
.code-panel p { margin: 0; color: var(--muted); }
.code-panel code { font-family: var(--font-mono); }
.code-panel pre {
  overflow-x: auto;
  margin: 0;
  padding: 22px;
  border-radius: 10px;
  color: #dfe8f8;
  background: var(--night);
  font-size: 13px;
  line-height: 1.7;
}

.route-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line-strong); border-left: 1px solid var(--line-strong); }
.route-card { min-height: 245px; padding: 25px; border-right: 1px solid var(--line-strong); border-bottom: 1px solid var(--line-strong); background: #fff; transition: transform 150ms ease, background 150ms ease; }
.route-card:hover { position: relative; z-index: 1; background: #f4f8ff; transform: translateY(-3px); }
.route-card h3 { margin: 27px 0 10px; font-size: 22px; }
.route-card p { margin: 0; color: var(--muted); }
.route-card small { display: block; margin-top: 20px; color: var(--blue-dark); font-weight: 750; }
.route-code { color: var(--amber); font-family: var(--font-mono); font-size: 11px; }

.checklist {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid #455877;
  border-left: 1px solid #455877;
}
.check-item { min-height: 245px; padding: 28px; border-right: 1px solid #455877; border-bottom: 1px solid #455877; }
.check-item b { display: block; margin-bottom: 18px; color: #90b5ff; font-family: var(--font-mono); font-size: 12px; }
.check-item h3 { margin-bottom: 12px; font-size: 21px; }
.check-item p { margin: 0; color: #c2ccdc; }

.source-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line-strong); }
.source-list li { display: grid; grid-template-columns: 82px 1fr auto; gap: 18px; align-items: center; padding: 18px 10px; border-bottom: 1px solid var(--line); }
.source-list span { color: var(--amber); font-family: var(--font-mono); font-size: 11px; }
.source-list a { color: var(--blue-dark); font-weight: 750; }
.source-list small { color: var(--muted); }

.faq-list details { border-top: 1px solid var(--line-strong); }
.faq-list details:last-child { border-bottom: 1px solid var(--line-strong); }
.faq-list summary { padding: 21px 6px; cursor: pointer; font-size: 18px; font-weight: 800; }
.faq-list details p { max-width: 850px; padding: 0 6px 22px; margin: 0; color: var(--muted); }

@media (max-width: 900px) {
  .content-hero-grid, .content-section-head { grid-template-columns: 1fr; gap: 34px; }
  .route-grid { grid-template-columns: repeat(2, 1fr); }
  .checklist { grid-template-columns: 1fr; }
  .flow-line { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .code-panel { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .content-hero { padding: 28px 0 54px; }
  .content-hero .breadcrumb { margin-bottom: 38px; }
  .content-hero h1 { font-size: clamp(40px, 13vw, 54px); }
  .content-nav { top: 70px; }
  .content-section { padding: 66px 0; }
  .prose-grid, .route-grid { grid-template-columns: 1fr; }
  .prose-card.wide { grid-column: auto; }
  .route-card { min-height: 0; }
  .fact-row { grid-template-columns: 1fr; gap: 7px; }
  .source-list li { grid-template-columns: 64px 1fr; }
  .source-list small { grid-column: 2; }
  .intent-table { min-width: 680px; }
  .intent-table-wrap {
    margin-right: calc(var(--page-pad) * -1);
    border-right: 0;
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  }
  .flow-line { grid-template-columns: 1fr; }
  .flow-line article { min-height: 0; }
  .code-panel { margin-inline: calc(var(--page-pad) * -0.35); padding: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  .route-card { transition: none; }
  .route-card:hover { transform: none; }
}

@media (forced-colors: active) {
  .answer-card, .prose-card, .route-card { border: 1px solid CanvasText; }
}