/* Shared case-page module */
body[data-page="case"] .layer-copy section{padding-top:18px}
body[data-page="case"] .layer-copy section+section{margin-top:18px}

/* v1.700 subject-specific case-study interfaces */
.case-hero{padding:72px 0 89px}
.case-hero-grid{display:grid;grid-template-columns:minmax(0,1.618fr) minmax(340px,1fr);gap:55px;align-items:center}
.case-hero-copy{display:grid;gap:21px;align-content:center}
.case-hero-copy .body-lg{max-width:720px;margin:0}
.case-back{width:max-content;font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.case-back:hover{color:var(--accent)}
.case-tags{display:flex;flex-wrap:wrap;gap:8px}
.case-visual{min-height:500px;aspect-ratio:1/1.1;border:1px solid var(--line);border-radius:34px;background:var(--surface);overflow:hidden;position:relative;box-shadow:0 34px 89px rgba(17,18,22,.08)}
.case-system-visual{position:absolute;inset:0;padding:34px}

.case-system-visual--operational{display:grid;grid-template-rows:1fr auto;gap:21px;background:linear-gradient(145deg,var(--surface),var(--surface-2))}
.ops-lanes{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;align-items:center;position:relative}
.ops-lanes::before{content:"";position:absolute;left:8%;right:8%;top:50%;height:1px;background:var(--line-strong)}
.ops-lanes span{position:relative;z-index:1;display:grid;place-items:center;gap:5px;aspect-ratio:1;border:1px solid var(--line);border-radius:50%;background:var(--surface);font-family:var(--mono);font-size:9px;letter-spacing:.08em}
.ops-lanes span i{font-style:normal;color:var(--accent);font-size:8px}
.ops-lanes span.is-active{background:var(--ink);color:var(--bg);transform:translateY(-10px)}
.ops-core{border-top:1px solid var(--line);padding-top:21px;display:flex;align-items:end;justify-content:space-between;gap:21px}
.ops-core strong{font-family:var(--serif);font-size:34px;font-weight:400}
.ops-core small{font-family:var(--mono);font-size:8px;letter-spacing:.1em;color:var(--muted)}

.case-system-visual--cost{display:grid;align-content:center;gap:21px;background:linear-gradient(145deg,var(--surface),var(--surface-2))}
.applied-case{display:flex;align-items:center;justify-content:space-between;gap:13px;padding-bottom:13px;border-bottom:1px solid var(--line)}
.applied-case span{font-family:var(--mono);font-size:8px;letter-spacing:.12em;color:var(--accent)}
.applied-case strong{font-size:12px}
.cost-hero-total small{font-family:var(--mono);font-size:9px;letter-spacing:.1em;color:var(--muted)}
.cost-hero-total strong{display:block;font-family:var(--serif);font-size:82px;line-height:.95;font-weight:400;margin-top:8px}
.cost-hero-bars{display:grid;gap:11px}
.cost-hero-bars span{display:grid;grid-template-columns:84px 1fr;gap:13px;align-items:center}
.cost-hero-bars em{font-style:normal;font-family:var(--mono);font-size:8px;color:var(--muted)}
.cost-hero-bars i{height:11px;border-radius:99px;background:linear-gradient(90deg,var(--accent) var(--w),var(--surface-3) var(--w))}

.case-system-visual--learning{display:grid;grid-template-rows:1.2fr 1fr;gap:21px;background:linear-gradient(145deg,var(--surface),var(--surface-2))}
.learning-metric{border:1px solid var(--line);border-radius:21px;padding:26px;background:var(--surface);display:grid;align-content:center}
.learning-metric small{font-family:var(--mono);font-size:9px;letter-spacing:.12em;color:var(--muted)}
.learning-metric strong{font-family:var(--serif);font-size:96px;line-height:1;font-weight:400}
.learning-metric span{color:var(--muted);font-size:12px}
.learning-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.learning-grid span{border:1px solid var(--line);border-radius:13px;padding:13px;background:var(--surface);display:grid;gap:5px;font-size:11px}
.learning-grid span i{font-style:normal;font-family:var(--mono);font-size:8px;color:var(--accent)}
.learning-grid span.is-active{background:var(--ink);color:var(--bg);border-color:var(--ink)}

.case-system-visual--compliance{display:grid;grid-template-rows:auto 1fr auto;gap:13px;background:linear-gradient(145deg,var(--surface),var(--surface-2))}
.compliance-axis{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;font-family:var(--mono);font-size:7px;letter-spacing:.08em;color:var(--muted);text-align:center}
.compliance-cells{display:grid;grid-template-columns:repeat(4,1fr);grid-template-rows:repeat(5,1fr);gap:8px}
.compliance-cells i{border:1px solid var(--line);border-radius:8px;background:var(--surface)}
.compliance-cells i.is-active{background:var(--ink);border-color:var(--ink)}
.compliance-status{display:flex;align-items:center;gap:10px;font-family:var(--mono);font-size:9px;letter-spacing:.08em;color:var(--muted)}
.compliance-status i{width:8px;height:8px;border-radius:50%;background:var(--accent)}

.case-system-visual--calendar{display:grid;align-content:center;gap:34px;background:linear-gradient(145deg,var(--surface),var(--surface-2))}
.calendar-pipeline{display:grid;grid-template-columns:repeat(5,1fr);gap:7px;position:relative}
.calendar-pipeline::before{content:"";position:absolute;left:7%;right:7%;top:50%;height:1px;background:var(--line-strong)}
.calendar-pipeline span{position:relative;z-index:1;display:grid;gap:5px;place-items:center;text-align:center;min-height:82px;padding:7px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
.calendar-pipeline span i{font-style:normal;font-family:var(--mono);font-size:7px;color:var(--accent)}
.calendar-pipeline span strong{font-family:var(--mono);font-size:7px;letter-spacing:.05em}
.calendar-pipeline span.is-active{background:var(--accent);color:#fff;border-color:var(--accent);transform:translateY(-8px)}
.calendar-pipeline span.is-active i{color:#fff}
.calendar-event-card{display:grid;grid-template-columns:54px 1fr auto;gap:13px;align-items:center;border:1px solid var(--line);border-radius:21px;padding:18px;background:var(--surface)}
.calendar-event-card time{font-family:var(--mono);font-size:10px;color:var(--muted)}
.calendar-event-card small{display:block;font-family:var(--mono);font-size:7px;color:var(--accent)}
.calendar-event-card strong{font-size:12px}
.calendar-event-card>i{width:9px;height:9px;border-radius:50%;background:var(--accent)}

.case-summary-section{padding-top:55px;padding-bottom:55px}
.case-summary-grid{grid-template-columns:1.618fr 1fr 1fr!important;align-items:stretch}
.case-summary-grid article{padding:26px;border-radius:21px}
.case-summary-grid article:first-child{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.case-summary-grid article:first-child .kicker{color:color-mix(in srgb,var(--bg) 62%,transparent)}
.case-summary-grid article:first-child .lead{font-size:clamp(28px,2.7vw,42px)}
.case-section-head{grid-template-columns:minmax(0,1.618fr) minmax(280px,1fr)}
.case-explorer{display:grid;grid-template-columns:220px minmax(0,1.618fr) minmax(300px,1fr);min-height:560px;border:1px solid var(--line);border-radius:34px;background:var(--surface);overflow:hidden}
.case-explorer-nav{padding:21px;border-right:1px solid var(--line);background:var(--surface-2);display:grid;align-content:start;gap:8px}
.case-layer-btn{display:grid;grid-template-columns:34px 1fr;gap:8px;align-items:center;text-align:left;border:1px solid transparent;border-radius:13px;background:transparent;padding:12px;color:var(--muted);font-size:12px}
.case-layer-btn span{font-family:var(--mono);font-size:8px;color:var(--accent)}
.case-layer-btn:hover{background:var(--surface)}
.case-layer-btn.is-active{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.case-explorer-stage{min-width:0;padding:34px;border-right:1px solid var(--line);background:linear-gradient(145deg,var(--surface),var(--surface-2));display:grid;place-items:stretch}
.case-explorer-copy{padding:34px;display:flex;flex-direction:column;gap:18px}
.case-explorer-copy h3{font-family:var(--serif);font-size:clamp(36px,3.8vw,54px);line-height:.98;font-weight:400;margin:0}
.case-explorer-copy .body-lg{font-size:17px;margin:0}
.case-copy-block{padding-top:18px;border-top:1px solid var(--line)}
.case-copy-block h4{font-family:var(--mono);font-size:9px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:0 0 12px}
.case-copy-block ul{margin:0;padding-left:18px;color:var(--muted);font-size:13px;display:grid;gap:7px}
.decision-rule{margin-top:auto;padding:16px;border:1px solid var(--line);border-radius:13px;background:var(--surface-2)}
.decision-rule span{font-family:var(--mono);font-size:8px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent)}
.decision-rule p{margin:8px 0 0;font-size:12px}

.stage-operations,.stage-cost,.stage-learning,.stage-compliance,.stage-calendar{height:100%;min-height:470px}
.stage-operations{display:grid;grid-template-rows:1fr auto;gap:21px}
.stage-lanes{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;align-items:center;position:relative}
.stage-lanes::before{content:"";position:absolute;left:5%;right:5%;top:50%;height:1px;background:var(--line-strong)}
.stage-lanes span{position:relative;z-index:1;display:grid;place-items:center;gap:5px;aspect-ratio:1;border:1px solid var(--line);border-radius:50%;background:var(--surface);font-family:var(--mono);font-size:8px;text-align:center}
.stage-lanes span i{font-style:normal;color:var(--accent)}
.stage-lanes span.is-complete{background:var(--surface-3)}
.stage-lanes span.is-active{background:var(--accent);color:#fff;border-color:var(--accent);transform:translateY(-8px)}
.stage-lanes span.is-active i{color:#fff}
.stage-control{padding:21px;border-top:1px solid var(--line)}
.stage-control small,.stage-cost small,.stage-learning small{font-family:var(--mono);font-size:8px;letter-spacing:.1em;color:var(--muted)}
.stage-control strong{display:block;font-family:var(--serif);font-size:36px;font-weight:400;margin:8px 0}
.stage-control p{margin:0;color:var(--muted);font-size:13px}

.stage-cost{display:grid;grid-template-columns:1fr 1.618fr;gap:21px;align-items:center}
.stage-cost-total{border:1px solid var(--line);border-radius:21px;padding:21px;background:var(--surface)}
.stage-cost-total strong{display:block;font-family:var(--serif);font-size:68px;line-height:1;font-weight:400;margin:10px 0}
.stage-cost-total span{font-size:11px;color:var(--muted)}
.stage-cost-bars{display:grid;gap:16px}
.stage-cost-bars span{display:grid;grid-template-columns:70px 1fr;gap:10px;align-items:center}
.stage-cost-bars em{font-style:normal;font-family:var(--mono);font-size:8px;color:var(--muted)}
.stage-cost-bars i{height:14px;border-radius:99px;background:linear-gradient(90deg,var(--accent) var(--w),var(--surface-3) var(--w))}

.stage-learning{display:grid;grid-template-rows:auto auto 1fr;gap:24px;align-content:center}
.stage-learning-top{display:flex;justify-content:space-between;align-items:end}
.stage-learning-top span{display:grid;gap:8px}
.stage-learning-top strong{font-family:var(--serif);font-size:38px;font-weight:400}
.stage-learning-top b{font-family:var(--serif);font-size:72px;font-weight:400}
.stage-learning-track{display:grid;grid-template-columns:repeat(10,1fr);gap:7px;align-items:end;height:130px}
.stage-learning-track i{height:28%;border-radius:7px;background:var(--surface-3)}
.stage-learning-track i.is-done{height:62%;background:var(--ink)}
.stage-learning-track i.is-now{height:100%;background:var(--accent)}
.stage-learning-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.stage-learning-cards span{border:1px solid var(--line);border-radius:13px;background:var(--surface);padding:13px;font-size:10px}
.stage-learning-cards span i{display:block;font-style:normal;font-family:var(--mono);font-size:8px;color:var(--accent);margin-bottom:8px}

.stage-compliance{display:grid;grid-template-rows:auto repeat(5,1fr) auto;gap:7px}
.stage-compliance-head,.stage-compliance-row{display:grid;grid-template-columns:repeat(5,1fr);gap:7px}
.stage-compliance-head span{font-family:var(--mono);font-size:7px;color:var(--muted);text-align:center}
.stage-compliance-row i{display:grid;place-items:center;border:1px solid var(--line);border-radius:7px;background:var(--surface);font-style:normal;font-size:10px;color:#fff}
.stage-compliance-row i.is-active{background:var(--ink);border-color:var(--ink)}
.stage-compliance>p{display:flex;align-items:center;gap:8px;margin:8px 0 0;color:var(--muted);font-size:11px}
.stage-compliance>p i{width:8px;height:8px;border-radius:50%;background:var(--accent)}

.stage-calendar{display:grid;align-content:center;gap:34px}
.stage-calendar-pipeline{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;position:relative}
.stage-calendar-pipeline::before{content:"";position:absolute;left:6%;right:6%;top:50%;height:1px;background:var(--line-strong)}
.stage-calendar-pipeline span{position:relative;z-index:1;display:grid;place-items:center;gap:7px;min-height:98px;border:1px solid var(--line);border-radius:13px;background:var(--surface);text-align:center}
.stage-calendar-pipeline span i{font-style:normal;font-family:var(--mono);font-size:8px;color:var(--accent)}
.stage-calendar-pipeline span strong{font-family:var(--mono);font-size:8px}
.stage-calendar-pipeline span.is-complete{background:var(--surface-3)}
.stage-calendar-pipeline span.is-active{background:var(--accent);color:#fff;border-color:var(--accent);transform:translateY(-8px)}
.stage-calendar-pipeline span.is-active i{color:#fff}
.stage-calendar-record{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.stage-calendar-record span{border:1px solid var(--line);border-radius:13px;background:var(--surface);padding:16px}
.stage-calendar-record small{display:block;font-family:var(--mono);font-size:8px;color:var(--muted);margin-bottom:6px}
.stage-calendar-record strong{font-size:12px}

.application-banner{display:grid;grid-template-columns:minmax(0,1.618fr) minmax(300px,1fr);gap:55px;align-items:end;padding:34px;border:1px solid var(--line);border-radius:34px;background:var(--surface);margin-bottom:89px}
.application-banner .body-lg{font-size:17px;margin:0}
.calculator-head{margin-bottom:34px}
.cost-calculator{display:grid;grid-template-columns:1fr 1.618fr;gap:21px}
.calc-controls,.calc-output{border:1px solid var(--line);border-radius:34px;background:var(--surface);padding:34px}
.calc-controls-head,.calc-output-head{display:flex;align-items:flex-start;justify-content:space-between;gap:13px}
.calc-controls h3{font-family:var(--serif);font-size:34px;font-weight:400;margin:4px 0 0}
.calc-reset{border:1px solid var(--line);border-radius:999px;background:transparent;padding:8px 13px;font-size:10px;color:var(--muted)}
.calc-presets{display:flex;flex-wrap:wrap;gap:8px;margin:21px 0 26px}
.calc-presets button{border:1px solid var(--line);border-radius:999px;background:var(--surface-2);padding:8px 12px;font-size:10px;color:var(--muted)}
.calc-presets button.is-active{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.range-row{display:grid;grid-template-columns:1fr auto;gap:8px 13px;padding:16px 0;border-top:1px solid var(--line);font-size:12px}
.range-row output{font-family:var(--mono);font-size:10px}
.range-row input{grid-column:1/-1;width:100%;accent-color:var(--accent)}
.calc-total{font-family:var(--serif);font-size:clamp(64px,7vw,104px);line-height:.9;font-weight:400}
.calc-live{display:flex;align-items:center;gap:10px;font-family:var(--mono);font-size:8px;letter-spacing:.1em;color:var(--muted)}
.calc-bars{display:grid;gap:13px;margin-top:34px}
.calc-bar{display:grid;grid-template-columns:110px 1fr 54px;gap:13px;align-items:center;font-size:10px}
.calc-bar>span{color:var(--muted)}
.calc-bar>i{height:11px;border-radius:99px;background:var(--surface-3);overflow:hidden}
.calc-bar>i>span{display:block;height:100%;background:var(--accent);border-radius:inherit;transition:width .18s ease}
.calc-bar>b{font-family:var(--mono);font-size:9px;text-align:right}
.calc-composition{display:flex;justify-content:space-between;gap:13px;margin-top:26px;padding-top:18px;border-top:1px solid var(--line);font-size:11px}
.calc-composition span{font-family:var(--mono);font-size:8px;text-transform:uppercase;color:var(--muted)}
.calc-note{margin:18px 0 0;color:var(--muted);font-size:10px}
.related-grid{grid-template-columns:1fr 1.618fr;align-items:end}
.next-case{padding:34px;border:1px solid var(--line);border-radius:34px;background:var(--surface);transition:transform .25s ease,border-color .25s ease}
.next-case:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.next-case .card-title span{color:var(--accent)}

@media(max-width:1240px){
  .case-hero-grid{grid-template-columns:minmax(0,1.25fr) minmax(320px,1fr);gap:34px}
  .case-explorer{grid-template-columns:190px minmax(0,1fr)}
  .case-explorer-copy{grid-column:1/-1;border-top:1px solid var(--line)}
  .case-explorer-stage{border-right:0}
}
@media(max-width:900px){
  .case-hero-grid{grid-template-columns:1fr}
  .case-visual{aspect-ratio:1.618/1;min-height:380px}
  .case-summary-grid{grid-template-columns:1fr 1fr!important}
  .case-summary-grid article:first-child{grid-column:1/-1}
  .case-explorer{grid-template-columns:1fr}
  .case-explorer-nav{grid-template-columns:repeat(5,minmax(130px,1fr));overflow-x:auto;border-right:0;border-bottom:1px solid var(--line)}
  .case-explorer-stage{min-height:480px}
  .application-banner,.cost-calculator{grid-template-columns:1fr}
  .application-banner{gap:21px}
}
@media(max-width:600px){
  .case-hero{padding:55px 0 72px}
  .case-visual{min-height:390px;aspect-ratio:auto}
  .case-system-visual{padding:24px}
  .case-summary-grid{grid-template-columns:1fr!important}
  .case-summary-grid article:first-child{grid-column:auto}
  .case-explorer{border-radius:26px}
  .case-explorer-nav{grid-template-columns:repeat(5,minmax(112px,1fr));padding:13px}
  .case-explorer-stage,.case-explorer-copy{padding:24px}
  .case-explorer-stage{min-height:420px}
  .stage-operations,.stage-cost,.stage-learning,.stage-compliance,.stage-calendar{min-height:370px}
  .stage-lanes{grid-template-columns:repeat(5,minmax(58px,1fr));overflow:hidden}
  .stage-cost{grid-template-columns:1fr}
  .stage-learning-cards{grid-template-columns:1fr}
  .stage-calendar-pipeline,.calendar-pipeline{grid-template-columns:repeat(5,minmax(54px,1fr));overflow:hidden}
  .application-banner{padding:26px;margin-bottom:72px}
  .calc-controls,.calc-output{padding:26px;border-radius:26px}
  .calc-bar{grid-template-columns:88px 1fr 48px}
  .calc-composition{flex-direction:column}
}

/* Tablet case heroes stack before long editorial titles can force overflow. */
.case-hero-grid>*{min-width:0}
@media(max-width:1100px){
  .case-hero-grid{grid-template-columns:1fr!important}
  .case-visual{aspect-ratio:1.618/1;min-height:400px}
}

@media(max-width:900px){
  .case-section-head{grid-template-columns:1fr!important}
}
@media(max-width:600px){
  .case-visual{width:100%;min-width:0;min-height:390px;aspect-ratio:auto!important}
}