.case-page { --case-width: 1080px; }
.case-nav { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid var(--color-border); background: var(--color-bg); }
.case-nav > div { max-width: var(--case-width); margin: auto; min-height: 64px; padding: 12px 24px; display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.case-logo { display: flex; align-items: center; gap: 8px; color: var(--color-text); font-weight: 700; white-space: nowrap; }
.case-nav-links { display: flex; align-items: center; gap: 20px; font-size: 14px; }
.case-nav-links a { color: var(--color-text-muted); }
.case-theme { color: var(--color-text); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 6px; padding: 6px 10px; cursor: pointer; font: inherit; }
.case-page a:focus-visible, .case-theme:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 4px; }
.case-main { max-width: var(--case-width); margin: auto; padding: 0 24px; }
.case-hero { padding: 84px 0 56px; max-width: 850px; }
.case-kicker { color: var(--color-accent); font: 12px var(--font-mono); letter-spacing: .1em; margin-bottom: 24px; }
.case-hero h1 { font-size: clamp(34px, 5.4vw, 62px); line-height: 1.12; letter-spacing: -.035em; max-width: 840px; margin-bottom: 26px; text-wrap: balance; }
.case-deck { color: var(--color-text-muted); font-size: 19px; line-height: 1.7; max-width: 780px; }
.case-actions { display: flex; flex-wrap: wrap; gap: 16px 28px; margin-top: 32px; }
.case-actions a { font-size: 15px; text-decoration: underline; text-underline-offset: 5px; }
.case-actions a:first-child { color: var(--color-bg); background: var(--color-text); padding: 10px 18px; border-radius: 6px; text-decoration: none; }
.case-actions a:last-child { align-self: center; }
.flow-strip { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); list-style: none; border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); padding: 24px 0; gap: 20px; }
.flow-strip li { border-left: 2px solid var(--color-accent); padding-left: 16px; }
.flow-strip b { display: block; font-size: 17px; }
.flow-strip span { display: block; font-size: 13px; color: var(--color-text-muted); margin-top: 4px; }
.case-facts { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 24px; padding: 26px 0 0; }
.case-facts strong { display: block; font: 18px/1.5 var(--font-mono); }
.case-facts span { display: block; font-size: 12px; color: var(--color-text-muted); margin-top: 6px; }
.case-layout { display: grid; grid-template-columns: 180px minmax(0,1fr); gap: 56px; padding: 56px 0; }
.case-toc { align-self: start; position: sticky; top: 98px; display: grid; gap: 12px; font-size: 13px; }
.case-toc a { color: var(--color-text-muted); }
.case-section { margin-bottom: 48px; scroll-margin-top: 94px; }
.case-section h2 { font-size: 24px; margin-bottom: 20px; }
.case-section p { color: var(--color-text-muted); }
.decision { display: grid; grid-template-columns: 30px minmax(0,1fr); gap: 14px; margin-top: 28px; }
.decision-number { color: var(--color-accent); font: 12px var(--font-mono); padding-top: 5px; }
.decision h3 { font-size: 18px; margin-bottom: 10px; }
.case-section pre { overflow-x: auto; background: var(--color-bg-alt); border: 1px solid var(--color-border); padding: 18px; margin: 22px 0; border-radius: 6px; font: 13px/1.6 var(--font-mono); }
.inspection-steps { padding-left: 24px; margin: 24px 0; }
.inspection-steps li { padding-left: 6px; margin: 12px 0; }
.case-limits { border-left: 3px solid var(--color-border); padding-left: 22px; }
.evidence-links { list-style: none; border-top: 1px solid var(--color-border); }
.evidence-links li { padding: 13px 0; border-bottom: 1px solid var(--color-border); display: flex; justify-content: space-between; gap: 16px; }
.source-note { margin-top: 18px; font-size: 13px; }
.scene-preview { margin: 32px 0 0; }
.scene-preview img { display: block; width: 100%; height: auto; border-radius: 8px; background: var(--color-bg-alt); }
.scene-preview figcaption { font-size: 12px; margin-top: 8px; color: var(--color-text-muted); }
.next-cases { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 20px; border-top: 1px solid var(--color-border); padding: 28px 0 48px; }
.case-footer { border-top: 1px solid var(--color-border); max-width: var(--case-width); margin: auto; padding: 24px; display: flex; flex-wrap: wrap; gap: 12px 28px; font-size: 12px; color: var(--color-text-muted); }
.case-row { display: grid; grid-template-columns: 190px minmax(0,1fr); gap: 46px; padding: 44px 0; border-top: 1px solid var(--color-border); }
.case-row-label span { display: block; font: 36px var(--font-mono); color: var(--color-accent); margin-bottom: 14px; }
.case-row-label p { color: var(--color-text-muted); font-size: 13px; }
.case-row h2 { font-size: 29px; margin-bottom: 18px; }
.case-row h2 a { color: var(--color-text); }
.case-row p { color: var(--color-text-muted); max-width: 710px; }
.case-row .row-flow { font: 12px/1.7 var(--font-mono); color: var(--color-accent); margin: 22px 0; }
.row-open { font-size: 14px; text-decoration: underline; text-underline-offset: 5px; }
.hub-note { max-width: 780px; margin: 30px 0 70px 236px; }
.hub-note h2 { margin-bottom: 16px; font-size: 22px; }
.hub-note p { color: var(--color-text-muted); }
@media(max-width:740px) {
 .case-nav > div { padding: 12px 18px; gap: 12px; flex-wrap: wrap; }
 .case-nav-links { gap: 16px; font-size: 12px; }
 .case-main { padding: 0 20px; }
 .case-hero { padding: 54px 0 36px; }
 .case-deck { font-size: 17px; }
 .flow-strip { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 22px 12px; }
 .case-facts { grid-template-columns: 1fr; gap: 16px; }
 .case-layout { display: block; padding: 34px 0 10px; }
 .case-toc { position: static; display: flex; flex-wrap: wrap; gap: 10px 18px; padding-bottom: 30px; }
 .case-section { scroll-margin-top: 140px; margin-bottom: 36px; }
 .case-row { grid-template-columns: 1fr; gap: 18px; padding: 32px 0; }
 .case-row-label { display: flex; align-items: center; gap: 18px; }
 .case-row-label span { font-size: 24px; margin: 0; }
 .case-row-label p { margin: 0; }
 .case-row h2 { font-size: 25px; }
 .hub-note { margin: 26px 0 48px; }
}
@media(prefers-reduced-motion:reduce) { .case-page { scroll-behavior: auto; } html:has(.case-page) { scroll-behavior: auto; } }