/* Case-study-only extensions of the portfolio's existing rules and grid. */
.concept-grid { list-style: none; padding: 0; margin: 32px 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 36px 48px; }
.concept-grid li { min-width: 0; border-top: 1px solid var(--line); padding-top: 20px; }
.concept-grid .eyebrow { display: block; margin-bottom: 16px; color: var(--muted); }
.concept-grid h4 { font-size: 1.5rem; }
.concept-grid p { max-width: 58ch; }
.concept-media { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; gap: 32px; margin-top: 44px; }
.concept-media .project-figure { min-width: 0; }
.concept-media img { width: 100%; height: auto; }
@media (max-width: 640px) {
  .concept-grid, .concept-media { grid-template-columns: 1fr; gap: 28px; }
}
.narrative-case .project-facts { grid-template-columns: 1fr 1.5fr 1.5fr 1fr; }
.narrative-case .case-cover { background: transparent; }
.narrative-case .case-cover img { width: 100%; height: auto; }
.case-contents { display: flex; flex-wrap: wrap; gap: 12px 28px; padding-block: 24px; border-bottom: 1px solid var(--line); }
.case-contents a { display: inline-flex; align-items: baseline; gap: 8px; font-size: .8125rem; min-height: 30px; padding-block: 5px; }
.case-contents a span { color: var(--muted); }
.case-contents a:hover { text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 5px; }
.narrative-case .case-section { scroll-margin-top: 110px; }
.narrative-case h4 { font-size: 1.125rem; font-weight: 500; line-height: 1.35; letter-spacing: -.025em; margin: 0 0 12px; }
.narrative-panels { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; margin-block: 32px; }
.narrative-panels.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.narrative-panels > div { border-top: 1px solid var(--line); padding-top: 20px; }
.narrative-panels .eyebrow { display: block; margin-bottom: 14px; }
.narrative-panels p { font-size: .9375rem; }
.narrative-flow { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding-block: 22px; margin-block: 36px; }
.narrative-flow > figcaption { font-size: .875rem; margin-bottom: 26px; }
.narrative-flow ol { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 26px; list-style: none; margin: 0; padding: 0; }
.narrative-flow li { position: relative; min-width: 0; }
.flow-number { display: block; font-size: .8125rem; margin-bottom: 18px; }
.flow-number::before { content: ''; display: inline-block; width: 5px; height: 5px; margin-right: 10px; background: var(--accent); }
.narrative-flow li:not(:last-child)::after { content: '→'; position: absolute; right: -20px; top: -3px; color: var(--muted); }
.narrative-flow p { font-size: .875rem; line-height: 1.55; }
.narrative-flow small { display: block; font-size: .75rem; color: var(--muted); margin-top: 16px; }
.narrative-flow .flow-note { border-top: 1px solid var(--line); padding-top: 18px; margin-top: 24px; max-width: 85ch; }
.evidence-list { display: grid; gap: 44px; margin-block: 32px; }
.annotated-evidence { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 1fr); gap: 32px; align-items: start; }
.image-inspector { overflow: auto; max-height: 620px; scrollbar-width: thin; background: #fff; overscroll-behavior: contain; }
.image-inspector img { width: 100%; min-width: var(--detail-width, 760px); max-width: none; height: auto; }
.evidence-crop { max-width: var(--crop-max, 680px); background: transparent; }
.evidence-crop svg { display: block; width: 100%; min-width: var(--crop-min); height: auto; }
.image-inspector:focus-visible { outline: 2px solid var(--ink); outline-offset: 4px; }
.evidence-image { min-width: 0; }
.evidence-image figcaption { display: flex; gap: 20px; justify-content: space-between; font-size: .8125rem; color: var(--muted); line-height: 1.5; margin-top: 12px; }
.evidence-image figcaption a { white-space: nowrap; text-decoration: underline; text-underline-offset: 4px; min-height: 44px; }
.inspect-hint { font-size: .75rem; color: var(--muted); }
.evidence-notes ol { list-style: none; padding: 0; margin: 18px 0 0; counter-reset: evidence; }
.evidence-notes li { border-top: 1px solid var(--line); padding-top: 16px; margin-top: 22px; counter-increment: evidence; }
.evidence-notes h4::before { content: counter(evidence, decimal-leading-zero) ' / '; font-size: .8125rem; }
.evidence-notes li.numbered h4::before { content: none; }
.evidence-notes li.numbered .eyebrow { display: block; margin-bottom: 12px; }
.evidence-notes p { font-size: .875rem; }
@media (max-width: 1000px) {
  .narrative-case .project-facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .annotated-evidence { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .evidence-notes ol { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
  .evidence-notes li { margin-top: 0; }
  .narrative-flow ol { grid-template-columns: 1fr; gap: 24px; }
  .narrative-flow li { padding-left: 40px; }
  .flow-number { position: absolute; left: 0; top: 3px; }
  .flow-number::before { display: none; }
  .narrative-flow li:not(:last-child)::after { content: '↓'; top: auto; bottom: -20px; left: 3px; right: auto; }
}
@media (max-width: 640px) {
  .narrative-case .project-facts { grid-template-columns: 1fr; }
  .narrative-panels, .narrative-panels.two { grid-template-columns: 1fr; gap: 24px; margin-block: 24px; }
  .narrative-case h4 { font-size: 1.0625rem; }
  .case-contents { gap: 4px 18px; padding-block: 18px; }
  .case-contents a { min-height: 44px; }
  .image-inspector { max-height: 420px; }
  .evidence-notes ol { grid-template-columns: 1fr; gap: 20px; }
  .narrative-flow { margin-block: 28px; }
}