/* Detailed cases use the approved foundations, with project-specific compositions. */
.case-study { --study-gap: var(--space-2xl); }
.study-heading { display: grid; grid-template-columns: 1.2fr 1fr; align-items: end; gap: var(--study-gap); margin-bottom: var(--space-lg); }
.study-heading h1 { font: clamp(2.75rem, 4.6vw, 4rem)/1.05 var(--serif); letter-spacing: -.04em; margin-top: var(--space-xs); overflow-wrap: anywhere; }
.study-subtitle { margin-top: var(--space-sm); font-size: 1rem; line-height: 1.4; color: var(--project-ink); }
.study-title-role { margin-top: var(--space-sm); }
.study-question { font: clamp(1.5rem, 2.4vw, 2rem)/1.2 var(--serif); letter-spacing: -.015em; max-width: 29ch; }
.study-intro { min-width: 0; }
.study-intro .study-overview-copy { margin-top: var(--space-lg); border: 0; padding: 0; }
.study-overview-meta { margin-top: var(--space-md); }
.study-overview-meta p { font-size: .75rem; color: var(--muted); line-height: 1.5; }
.study-overview-meta p+p { margin-top: var(--space-xs); }
.study-overview-meta .study-tools { margin-top: var(--space-sm); }
.study-overview { display: grid; grid-template-columns: 1.2fr 1fr; gap: var(--study-gap); align-items: start; }
.study-overview-copy { grid-column: 2; grid-row: 1; border-top: 2px solid var(--project-accent); padding-top: var(--space-md); }
.study-overview-copy>p+p { margin-top: var(--space-md); }
.study-overview-copy p { font-size: .9375rem; line-height: 1.6; max-width: 62ch; }
.study-overview-copy .case-role { font-size: .875rem; font-weight: 500; }
.study-overview-copy .study-context, .study-overview-copy .study-status { font-size: .75rem; color: var(--muted); }
.study-overview-copy .study-lead { font-size: 1.0625rem; }
.study-overview-copy strong { color: var(--project-ink); font-weight: 500; }
.study-overview-media { grid-column: 1; grid-row: 1; min-width: 0; }
.study-tools { display: flex; flex-wrap: wrap; list-style: none; gap: var(--space-xs) var(--space-md); margin: var(--space-lg) 0 0; padding: 0; font-size: .75rem; color: var(--project-ink); }
.study-tools li { border-left: 1px solid var(--project-accent); padding-left: var(--space-xs); }
.study-section { margin-top: var(--space-xl); border-top: 1px solid var(--rule); padding-top: var(--space-lg); }
.study-section-heading { margin-bottom: var(--space-lg); }
.study-section-heading .eyebrow>span { color: var(--project-ink); }
.study-section-heading h2 { font: clamp(1.75rem, 2.7vw, 2.4rem)/1.15 var(--serif); letter-spacing: -.025em; margin-top: var(--space-sm); max-width: 35ch; }
.case-study h3 { font: 500 1rem/1.35 var(--sans); color: var(--project-ink); margin-bottom: var(--space-sm); }
.study-section p { font-size: .9375rem; line-height: 1.6; }
.contribution-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-xl); }
.contribution-grid>div { border-left: 2px solid var(--project-accent); padding-left: var(--space-md); }
.shrimp-opening { grid-template-columns: 1.08fr 1fr; }
.case--shrimp .study-heading { align-items: start; margin-bottom: var(--space-xl); }
.shrimp-opening .study-overview-media { grid-column: 1; grid-row: 1; }
.shrimp-opening .contribution-section { grid-column: 2; grid-row: 1; margin: 0; border-top: 2px solid var(--project-accent); padding-top: var(--space-sm); }
.shrimp-opening .study-section-heading { margin-bottom: var(--space-lg); }
.shrimp-opening .study-section-heading h2 { font-size: 2rem; }
.shrimp-opening .contribution-grid { grid-template-columns: 1fr; gap: var(--space-md); }
.shrimp-opening .contribution-grid>div { border-left: 0; border-top: 1px solid var(--rule); padding: var(--space-sm) 0 0; }
.shrimp-opening .contribution-grid h3 { margin-bottom: var(--space-xs); }
.shrimp-opening .study-boundary { margin-top: var(--space-md); }
.study-section .study-boundary { font-size: .75rem; color: var(--muted); margin-top: var(--space-lg); max-width: 94ch; }
.inspection-flow { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: var(--space-md); padding: 0; margin: 0 auto var(--space-lg); max-width: 980px; list-style: none; }
.inspection-flow li { border-top: 2px solid var(--project-accent); padding-top: var(--space-sm); }
.inspection-flow li:nth-child(4) { border-top-width: 3px; background: linear-gradient(var(--project-surface),transparent); padding-inline: var(--space-xs); }
.inspection-flow span { font: .6875rem var(--mono); color: var(--project-ink); display: block; margin-bottom: var(--space-xs); }
.inspection-flow strong { display: block; font-weight: 500; font-size: .875rem; }
.inspection-flow p { font-size: .75rem; color: var(--muted); margin-top: .25rem; }
.study-section .flow-note { color: var(--muted); font: .6875rem/1.5 var(--mono); margin: 0 auto var(--space-md); max-width: 980px; }
.process-detail { display: grid; grid-template-columns: minmax(0,1fr) 304px; gap: var(--space-2xl); align-items: center; max-width: 980px; margin-inline: auto; }
.process-argument { max-width: 67ch; }
.process-argument p+p { margin-top: var(--space-md); }
.process-argument>.text-link { margin-top: var(--space-sm); }
.study-figure img { height: auto; }
.study-figure figcaption, .study-provenance, .reader-screen figcaption { font-size: .6875rem; line-height: 1.5; color: var(--muted); margin-top: var(--space-sm); }
.study-figure figcaption a { display: inline-flex; min-height: 44px; align-items: center; }
.parameter-figure { width: min(100%,304px); justify-self: start; border-left: 3px solid var(--project-accent); padding-left: var(--space-sm); }
.parameter-figure img { width: 100%; }
.study-outcome-grid { display: grid; grid-template-columns: 300px minmax(0,1fr); gap: var(--space-2xl); align-items: start; max-width: 1040px; margin-inline: auto; }
.result-figure { width: 300px; justify-self: center; }
.result-figure img { width: 100%; }
.outcome-copy { min-width: 0; }
.outcome-copy p+p { margin-top: var(--space-md); }
.outcome-copy .study-result-label { font: .6875rem/1.5 var(--mono); color: var(--project-ink); margin-bottom: var(--space-sm); }
.outcome-copy .study-result-label+p { margin-top: 0; }
.outcome-copy .study-reflection { font: 1.125rem/1.45 var(--serif); color: var(--project-ink); border-left: 2px solid var(--project-accent); padding-left: var(--space-md); }
.study-links { display: flex; flex-wrap: wrap; gap: 0 var(--space-xl); margin-top: var(--space-md); }
.journey-screen-pair { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-md); max-width: 400px; margin: 0 auto; }
.journey-screen-pair .study-figure img, .reader-screen img { width: 100%; border: 1px solid var(--rule); border-radius: 7px; }
.journey-screen-pair figcaption strong { color: var(--project-ink); font-weight: 500; }
.journey-opening>.study-provenance { max-width: 70ch; margin-top: var(--space-md); }
.case--journeycraft .study-overview { align-items: center; }
.research-context { max-width: 95ch; margin-bottom: var(--space-lg); }
.decision-map { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: var(--space-lg); }
.decision-map-head { position: absolute; width: 1px; height: 1px; clip-path: inset(50%); overflow: hidden; }
.decision-row { display: grid; grid-template-columns: 1fr; align-content: start; gap: var(--space-md); border-top: 3px solid var(--project-accent); padding: var(--space-md); background: linear-gradient(var(--project-surface),transparent 75%); }
.decision-row p { font-size: .875rem; }
.decision-row p>span { display: block; font: .625rem/1.5 var(--mono); color: var(--project-ink); margin-bottom: .25rem; }
.journey-built { display: grid; grid-template-columns: minmax(0,640px) 272px; justify-content: space-between; gap: var(--space-xl); align-items: start; max-width: 1040px; margin-inline: auto; }
.built-copy { max-width: 65ch; }
.journey-built>.built-copy { grid-column: 1; grid-row: 1; }
.journey-built>.screen-reader { grid-column: 2; grid-row: 1; }
.built-module+ .built-module { margin-top: var(--space-lg); border-top: 1px solid var(--rule); padding-top: var(--space-md); }
.built-module>div+div { margin-top: var(--space-lg); }
.screen-reader { min-width: 0; }
.screen-reader-controls { display: flex; flex-wrap: wrap; gap: var(--space-lg); margin-bottom: var(--space-md); }
.screen-reader-controls button { font: .8125rem var(--sans); color: var(--muted); background: none; border: 0; border-bottom: 2px solid transparent; padding: var(--space-xs) 0; min-height: 44px; cursor: pointer; }
.screen-reader-controls button[aria-pressed="true"] { color: var(--project-ink); border-color: var(--project-accent); background: var(--project-surface); }
.screen-reader-controls button:hover { color: var(--ink); }
.screen-reader-stage { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-md); }
.reader-fallback { color: var(--muted); font-size: .75rem; margin-bottom: var(--space-md); }
.screen-reader.is-enhanced { max-width: 272px; width: 100%; justify-self: center; border-top: 3px solid var(--project-accent); padding-top: var(--space-xs); }
.is-enhanced .screen-reader-stage { display: block; position: relative; }
.is-enhanced .reader-screen { display: grid; grid-template-rows: auto auto; }
.is-enhanced .reader-screen figcaption { min-height: 6rem; }
.is-enhanced .reader-screen img { width: 100%; aspect-ratio: 720 / 1566; height: auto; }
.reader-screen figcaption strong { font-weight: 500; color: var(--project-ink); }
.screen-full-size { display: flex; width: fit-content; font-size: .6875rem; }
.journey-outcome { display: grid; grid-template-columns: 1fr 1.2fr; gap: var(--space-2xl); max-width: 1040px; margin-inline: auto; }
.study-section .journey-reflection { font: 1.2rem/1.5 var(--serif); color: var(--project-ink); max-width: 82ch; border-left: 2px solid var(--project-accent); padding-left: var(--space-md); }
.case-study>.study-section:last-child, .case-study>.journey-contribution { margin-bottom: var(--space-lg); }
@media(max-width: 1024px) {
  .case-study { --study-gap: var(--space-xl); }
  .study-heading, .study-overview { grid-template-columns: 1.1fr 1fr; }
  .contribution-grid { gap: var(--space-lg); }
  .process-detail { grid-template-columns: 1fr 280px; gap: var(--space-xl); }
  .study-outcome-grid { grid-template-columns: 260px 1fr; gap: var(--space-xl); }
  .screen-reader.is-enhanced { max-width: 272px; }
  .decision-map { gap: var(--space-md); }
  .decision-row { padding: var(--space-sm); }
  .journey-built>.screen-reader { grid-row: 1; }
}
@media(max-width: 768px) {
  .study-heading { grid-template-columns: 1fr; gap: var(--space-md); }
  .study-question { max-width: 45ch; font-size: 1.5rem; }
  .study-overview { grid-template-columns: 1fr 1fr; gap: var(--space-lg); }
  .study-overview-copy .study-lead { font-size: 1rem; }
  .study-overview-copy p { font-size: .875rem; }
  .contribution-grid { grid-template-columns: 1fr; gap: var(--space-lg); }
  .contribution-grid>div { display: grid; grid-template-columns: 1fr 2fr; gap: var(--space-lg); }
  .case--shrimp .study-heading { grid-template-columns: 1fr 1.2fr; align-items: start; }
  .shrimp-opening .contribution-grid>div { display: block; }
  .shrimp-opening .study-section-heading h2 { font-size: 1.75rem; }
  .contribution-grid h3 { margin: 0; }
  .inspection-flow { gap: var(--space-sm); }
  .process-detail { grid-template-columns: 1fr 280px; gap: var(--space-lg); }
  .journey-built { grid-template-columns: minmax(0,1fr) 240px; }
  .screen-reader.is-enhanced { max-width: 240px; }
  .study-outcome-grid { grid-template-columns: 220px 1fr; gap: var(--space-lg); }
  .result-figure { width: 220px; }
  .journey-built { gap: var(--space-lg); }
  .decision-row p { font-size: .8125rem; }
  .journey-outcome { gap: var(--space-lg); }
}
@media(min-width: 601px) and (max-width: 1100px) {
  /* Let the contribution continue across the page when the apparatus ends. */
  .shrimp-opening { display: flow-root; }
  .shrimp-opening .study-overview-media { float: left; width: 48%; margin: 0 var(--space-lg) var(--space-md) 0; }
  .shrimp-opening .contribution-section { display: contents; }
  .shrimp-opening .study-section-heading, .shrimp-opening .contribution-grid>div { display: flow-root; }
  .shrimp-opening .contribution-grid { display: block; }
  .shrimp-opening .contribution-grid>div+div { margin-top: var(--space-md); }
  .shrimp-opening .study-boundary { clear: both; }
}
@media(max-width: 600px) {
  .study-heading { gap: var(--space-md); }
  .case--shrimp .study-heading { grid-template-columns: 1fr; }
  /* Keep the physical evidence ahead of the longer introduction on phones. */
  .case--shrimp.case-study { display: flex; flex-direction: column; }
  .case--shrimp .study-heading, .case--shrimp .study-intro, .case--shrimp .shrimp-opening { display: contents; }
  .case--shrimp .case-navigation { order: 0; }
  .case--shrimp .study-title { order: 1; margin-bottom: var(--space-md); }
  .case--shrimp .study-question { order: 2; margin-bottom: var(--space-lg); }
  .case--shrimp .study-overview-media { order: 3; }
  .case--shrimp .study-overview-copy { order: 4; margin-top: var(--space-lg); }
  .case--shrimp .shrimp-opening .contribution-section { order: 5; margin-top: var(--space-xl); }
  .case--shrimp>.study-section { order: 6; }
  .study-heading h1 { font-size: 2.75rem; }
  .study-subtitle { font-size: .875rem; }
  .study-question { font-size: 1.5rem; }
  .study-overview { display: flex; flex-direction: column; gap: var(--space-lg); }
  .study-overview-copy, .study-overview-media { width: 100%; }
  .study-overview-copy { order: 1; }
  .study-overview-media { order: 0; }
  .shrimp-opening .contribution-section { order: 1; }
  .shrimp-opening .contribution-grid>div { display: block; }
  .study-overview-copy p { font-size: .9375rem; }
  .study-section { margin-top: var(--space-xl); }
  .study-section-heading h2 { font-size: 1.85rem; }
  .contribution-grid>div { display: block; }
  .contribution-grid h3 { margin-bottom: var(--space-xs); }
  .inspection-flow { grid-template-columns: 1fr; gap: var(--space-sm); }
  .inspection-flow li, .inspection-flow li:nth-child(4) { display: grid; grid-template-columns: 24px 1fr; column-gap: var(--space-xs); border-top: 0; border-left: 2px solid var(--project-accent); padding: 0 0 0 var(--space-sm); }
  .inspection-flow span { grid-row: 1 / 3; margin: .2rem 0 0; }
  .inspection-flow p { grid-column: 2; }
  .process-detail, .study-outcome-grid, .journey-built, .journey-outcome { grid-template-columns: 1fr; gap: var(--space-lg); }
  .parameter-figure { width: min(100%,300px); justify-self: center; }
  .result-figure { width: 260px; }
  .outcome-copy { grid-row: 1; }
  .journey-screen-pair { max-width: 350px; }
  .decision-map { grid-template-columns: 1fr; gap: var(--space-sm); }
  .decision-row { grid-template-columns: 1fr; gap: var(--space-sm); }
  .decision-row p { font-size: .875rem; }
  .decision-row p>span { display: block; font: .625rem/1.5 var(--mono); color: var(--project-ink); margin-bottom: .25rem; }
  .screen-reader.is-enhanced { max-width: 320px; }
  .journey-built>.built-copy, .journey-built>.screen-reader, .journey-conclusion { grid-column: 1; grid-row: auto; }
  .journey-conclusion .journey-outcome { grid-template-columns: 1fr; }
  .screen-reader-stage { grid-template-columns: 1fr; max-width: 320px; margin: 0 auto; }
  .study-section .journey-reflection { font-size: 1.2rem; }
}
/* Phase 2B.2: one compact interpretation column beside the complete chart. */
.case--shrimp .study-outcome-grid { grid-template-columns: 260px minmax(0,1fr); gap: var(--space-xl); max-width: 1000px; }
.case--shrimp .result-figure { width: 260px; max-width: 100%; }
@media(min-width:601px) and (max-width:800px) {
  .case--shrimp .study-outcome-grid { grid-template-columns: 240px minmax(0,1fr); gap: var(--space-lg); }
  .case--shrimp .result-figure { width: 240px; }
}
@media(max-width:600px) {
  .case--shrimp .study-outcome-grid { grid-template-columns: 1fr; gap: var(--space-lg); }
}

/* JourneyCraft research: detailed walkthrough beside the existing decision summary. */
.case--journeycraft .journey-research-grid { display: grid; grid-template-columns: minmax(0,3fr) minmax(0,2fr); gap: var(--space-xl); align-items: start; }
.case--journeycraft .journey-research-narrative { min-width: 0; }
.case--journeycraft .journey-research .research-context { max-width: 80ch; }
.case--journeycraft .journey-research .research-context:last-child { margin-bottom: 0; }
.case--journeycraft .journey-research .decision-map { grid-template-columns: minmax(0,1fr); gap: var(--space-md); min-width: 0; }
.case--journeycraft .journey-research .decision-row { gap: var(--space-sm); border-top: 1px solid var(--project-accent); padding: var(--space-md) 0 0; background: none; }
.case--journeycraft .journey-research .decision-map-head+.decision-row { border-top: 0; padding-top: 0; }
.case--journeycraft .journey-research .decision-row p { display: grid; grid-template-columns: 9rem minmax(0,1fr); column-gap: var(--space-sm); font-size: .875rem; }
.case--journeycraft .journey-research .decision-row p>span { margin: 0; font-size: .6875rem; line-height: 1.6; }
@media(max-width:1100px) {
  .case--journeycraft .journey-research-grid { grid-template-columns: minmax(0,1fr); gap: var(--space-lg); }
}
@media(max-width:600px) {
  .case--journeycraft .journey-research .decision-row p { display: block; }
  .case--journeycraft .journey-research .decision-row p>span { margin-bottom: .25rem; }
}