/* Feature pages share the landing typography, palette and components without app JavaScript. */
.feature-detail .site-header {position:sticky;top:0;z-index:20;background:#0b0c0ff5;backdrop-filter:blur(16px)}
.feature-detail .header-inner {max-width:1180px;gap:40px}
.feature-detail .detail-header-cta {margin-left:auto;white-space:nowrap}
.feature-detail .detail-main {padding-top:34px}
.detail-breadcrumb {display:flex;align-items:center;flex-wrap:wrap;gap:12px;color:var(--muted);font-size:13px}
.detail-breadcrumb a {display:inline-flex;align-items:center;min-height:44px}
.detail-breadcrumb a:hover {color:var(--ink)}
.detail-breadcrumb [aria-current] {color:var(--ink)}
.detail-hero {display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);align-items:center;gap:72px;padding:64px 0 96px}
.detail-eyebrow {color:var(--accent);font-size:13px;font-weight:600;letter-spacing:.02em}
.detail-intro h1 {font-size:clamp(38px,4.3vw,62px);letter-spacing:-.04em;line-height:1.07;margin-top:18px}
.detail-lead {font-size:18px;line-height:1.75;color:var(--muted);max-width:47ch;margin-top:25px}
.detail-intro .hero-actions {justify-content:flex-start;gap:24px;margin-top:30px}
.detail-text-link {display:inline-flex;align-items:center;gap:8px;min-height:44px;color:var(--accent);font-size:14px}
.detail-text-link:hover {color:var(--ink)}
.detail-visual {margin:0;border:1px solid #4c405e;border-radius:var(--radius);background:#111216;overflow:hidden}
.detail-visual figcaption {display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;padding:17px 22px;border-bottom:1px solid var(--line);font-size:11px;color:var(--muted)}
.detail-visual figcaption .mono {overflow-wrap:anywhere}
.detail-flow {list-style:none;margin:0;padding:34px 26px 15px}
.detail-flow li {position:relative;display:flex;gap:19px;padding-bottom:31px}
.detail-flow li:not(:last-child)::after {content:'';position:absolute;top:34px;bottom:0;left:16px;width:1px;background:#514366}
.detail-flow-node {display:grid;place-items:center;flex-shrink:0;width:34px;height:34px;border:1px solid #6b5882;border-radius:9px;background:#211c2b;color:var(--accent);font-size:11px;font-variant-numeric:tabular-nums}
.detail-flow strong {display:block;font-size:17px;font-weight:500;line-height:1.5}
.detail-flow p {margin-top:5px;font-size:13px;color:var(--muted);line-height:1.6}
.detail-flow-note {font-size:12px;line-height:1.7;color:#c5bbd6;background:#19151f;border-top:1px solid #32283e;padding:18px 24px}
.detail-explanation {border-top:1px solid var(--line)}
.detail-explanation article {display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:90px;padding:38px 0;border-bottom:1px solid var(--line)}
.detail-explanation article>div {display:flex;align-items:baseline;gap:20px}
.detail-section-number {font-size:12px;color:var(--accent);font-variant-numeric:tabular-nums}
.detail-explanation h2 {font-size:24px;line-height:1.3;letter-spacing:-.035em}
.detail-explanation p,.detail-example>p:last-child,.detail-boundary>p {font-size:16px;line-height:1.8;color:var(--muted)}
.detail-example {margin:78px 0;padding:8px 0 8px 28px;border-left:1px solid var(--accent);max-width:790px}
.detail-example h2 {font-size:32px;line-height:1.2;letter-spacing:-.035em;margin:14px 0 19px}
.detail-boundary {display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);column-gap:90px;row-gap:20px;padding-bottom:60px}
.detail-boundary h2 {font-size:21px;letter-spacing:-.02em}
.detail-boundary nav {grid-column:2;display:flex;flex-direction:column;align-items:flex-start}
.detail-boundary nav a {display:inline-flex;align-items:center;gap:9px;min-height:44px;font-size:14px;color:var(--accent)}
.detail-boundary nav a:hover {color:var(--ink)}
.detail-related {border-top:1px solid var(--line);padding-top:45px}
.detail-related h2 {font-size:25px;letter-spacing:-.03em;margin-bottom:22px}
.detail-related nav {display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.detail-related a {display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;border-bottom:1px solid var(--line);font-size:15px;color:var(--muted)}
.detail-related a>span:last-child {color:var(--accent)}
.detail-related a:hover {color:var(--ink);border-color:var(--accent)}
.detail-closing {display:flex;align-items:center;justify-content:space-between;gap:30px;padding:85px 0}
.detail-closing h2 {font-size:29px;letter-spacing:-.04em;line-height:1.3}
.detail-closing p {color:var(--muted);font-size:14px;margin-top:12px}
.detail-closing .button {flex-shrink:0}
.feature-detail .site-nav a {display:inline-flex;align-items:center;min-height:44px}
@media(max-width:1000px) {
  .detail-hero {gap:38px}
  .detail-explanation article,.detail-boundary {gap:36px}
  .detail-visual figcaption {padding-inline:18px}
  .detail-flow {padding-inline:20px}
}
@media(max-width:760px) {
  .feature-detail .header-inner {height:auto;min-height:100px;display:grid;grid-template-columns:1fr auto;gap:4px 20px;padding-block:12px}
  .feature-detail .site-nav {display:flex;grid-column:1/-1;grid-row:2;justify-content:center;gap:28px;font-size:13px}
  .feature-detail .detail-header-cta {grid-column:2;grid-row:1;font-size:13px;min-height:44px;padding:10px 14px}
  .feature-detail .detail-main {padding-top:16px}
  .detail-hero {grid-template-columns:1fr;gap:34px;padding:30px 0 52px}
  .detail-intro h1 {font-size:clamp(38px,8.5vw,56px)}
  .detail-lead {font-size:16px;margin-top:22px}
  .detail-intro .hero-actions {gap:20px}
  .detail-explanation article {grid-template-columns:1fr;gap:18px;padding:28px 0}
  .detail-explanation h2 {font-size:23px}
  .detail-explanation p,.detail-example>p:last-child,.detail-boundary>p {font-size:15px}
  .detail-example {margin:46px 0;padding-left:20px}
  .detail-example h2 {font-size:27px}
  .detail-boundary {grid-template-columns:1fr;gap:16px;padding-bottom:36px}
  .detail-boundary nav {grid-column:1}
  .detail-related {padding-top:32px}
  .detail-related h2 {font-size:23px}
  .detail-related nav {grid-template-columns:1fr;gap:0}
  .detail-related a {min-height:60px}
  .detail-closing {align-items:flex-start;flex-direction:column;padding:52px 0;gap:24px}
  .detail-closing h2 {font-size:27px}
}