/* Case C — CPI threshold / machinery win
   This file only contains content-specific diagrams and layouts. Shared case
   typography, rhythm, navigation, calibration and audit primitives remain in
   case.css so the five public cases retain one visual system. */

.casec{--case-accent:#C96342;--hero-art-w:clamp(260px,32vw,500px);}
.casec .case-hero h1{max-width:none;font-size:clamp(34px,3.9vw,56px);}
.casec .block-head h2{max-width:none;}

/* Three-stop timeline; the base component remains responsible for the line. */
.c-rail{grid-template-columns:repeat(3,minmax(0,1fr));}
.c-rail .rail-step p{max-width:38ch;}

/* Public evidence excerpts. */
.c-evidence .ev-line{grid-template-columns:138px minmax(0,1fr);}
.c-evidence .ev-kind{grid-row:1 / span 2;}
.c-evidence .ev-line:has(.c-threshold) .ev-kind{grid-row:1 / span 3;}
.c-evidence-meta{grid-column:2;grid-row:1;display:flex;justify-content:space-between;gap:24px;padding:18px 26px 12px;font-size:8px;line-height:1.4;letter-spacing:.12em;text-transform:uppercase;color:var(--fill);}
.c-evidence-meta a{display:inline-flex;align-items:center;gap:7px;color:inherit;text-decoration:none;border-bottom:1px solid var(--rule);}
.c-evidence-meta a:hover{color:var(--case-accent);border-bottom-color:var(--case-accent);}
.c-source-ico{width:17px;height:17px;flex:0 0 auto;fill:none;stroke:currentColor;stroke-width:1.35;stroke-linecap:square;stroke-linejoin:miter;}
.c-evidence .ev-line > p{grid-row:2;padding-top:6px;}
.c-evidence .ev-line:has(.c-threshold) > p{grid-row:3;}
.c-threshold{grid-column:2;grid-row:2;display:grid;grid-template-columns:minmax(190px,.7fr) 96px minmax(330px,1.3fr);align-items:stretch;margin:0 26px;padding:16px 0;border-top:1px solid var(--hair);border-bottom:1px solid var(--hair);}
.c-threshold-known{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:7px 18px;padding-right:24px;}
.c-threshold-known > span,.c-threshold-test > span,.c-threshold-flow span,.c-threshold-outcomes span{font-size:8px;line-height:1.35;letter-spacing:.12em;text-transform:uppercase;color:var(--fill);}
.c-threshold-known > span{grid-column:1/-1;align-self:start;}
.c-threshold-known > b{font-size:12px;font-weight:350;line-height:1.35;}
.c-threshold-known > strong{grid-column:2;grid-row:2;font-family:var(--font-display);font-size:32px;font-weight:250;line-height:.9;font-variant-numeric:tabular-nums;}
.c-threshold-flow{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;padding:0 10px;border-left:1px solid var(--hair);border-right:1px solid var(--hair);text-align:center;}
.c-threshold-flow i{font-family:var(--font-display);font-size:24px;font-style:normal;font-weight:220;line-height:1;color:var(--case-accent);}
.c-threshold-test{display:flex;flex-direction:column;justify-content:center;gap:9px;padding-left:24px;}
.c-threshold-outcomes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;}
.c-threshold-outcomes > div{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:42px;padding:8px 11px;border:1px solid var(--hair);}
.c-threshold-outcomes b{font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;}
.c-threshold-outcomes .is-yes{border-color:var(--case-accent);}
.c-threshold-outcomes .is-yes b{color:var(--case-accent);}
.c-redaction{display:flex;align-items:center;gap:12px;margin-top:12px;font-size:8px;line-height:1.4;letter-spacing:.12em;text-transform:uppercase;color:var(--fill);}
.c-redaction span{letter-spacing:.35em;color:var(--case-accent);}

/* Panel: six paired reads. */
.c-panel-summary{display:grid;grid-template-columns:minmax(0,1fr) 112px minmax(0,1fr);border:1px solid var(--edge);background:var(--paper);}
.c-panel-summary > div{min-height:154px;padding:24px 28px;}
.c-panel-summary > div:not(.is-arrow){display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-rows:auto 1fr;align-items:end;gap:8px 24px;}
.c-panel-summary span{font-size:8px;line-height:1.3;letter-spacing:.14em;text-transform:uppercase;color:var(--fill);}
.c-panel-summary strong{grid-column:2;grid-row:1/3;font-family:var(--font-display);font-size:clamp(54px,6vw,78px);font-weight:220;line-height:.9;letter-spacing:var(--disp-tracking-md);font-variant-numeric:tabular-nums;}
.c-panel-summary p{align-self:start;max-width:28ch;font-size:11px;font-weight:300;line-height:1.5;color:var(--fill);}
.c-panel-summary .is-arrow{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;border-left:1px solid var(--rule);border-right:1px solid var(--rule);text-align:center;color:var(--fill);}
.c-panel-summary .is-arrow span{font-family:var(--font-display);font-size:32px;font-weight:200;color:var(--case-accent);}
.c-panel-summary .is-arrow b{font-size:7px;line-height:1.5;letter-spacing:.12em;text-transform:uppercase;}
.c-panel-summary .is-computed strong{color:var(--case-accent);}

.c-panel{border:1px solid var(--edge);border-top:0;background:var(--paper);}
.c-panel-head,.c-panel-row{display:grid;grid-template-columns:minmax(138px,.65fr) minmax(170px,1fr) minmax(150px,.75fr) minmax(170px,1fr);align-items:center;}
.c-panel-head{min-height:42px;border-bottom:1px solid var(--rule);font-size:8px;letter-spacing:.13em;text-transform:uppercase;color:var(--fill);}
.c-panel-head span,.c-panel-row > span{padding-left:20px;padding-right:20px;border-right:1px solid var(--hair);}
.c-panel-head span:last-child,.c-panel-row > span:last-child{border-right:0;}
.c-panel-row{min-height:84px;border-bottom:1px solid var(--hair);}
.c-panel-row:last-child{border-bottom:0;}
.c-seat{display:flex;flex-direction:column;justify-content:center;align-self:stretch;}
.c-seat b{font-family:var(--font-mono);font-size:10px;letter-spacing:.13em;}
.c-level{display:flex;align-items:center;gap:8px;align-self:stretch;justify-content:center;font-family:var(--font-display);font-size:28px;font-weight:250;font-variant-numeric:tabular-nums;}
.c-level small{font-family:var(--font-mono);font-size:9px;color:var(--fill);}
.c-prob{position:relative;display:flex;align-items:center;align-self:stretch;gap:16px;}
.c-prob i{position:relative;flex:1;height:18px;overflow:hidden;
  background:repeating-linear-gradient(90deg,color-mix(in srgb,var(--fill) 28%,transparent) 0 1px,transparent 1px 7px);}
.c-prob i::before{content:"";position:absolute;inset:0 auto 0 0;width:var(--direct);
  background:repeating-linear-gradient(90deg,var(--on) 0 1px,transparent 1px 7px);}
.c-prob.is-computed i::before{width:var(--computed);
  background:repeating-linear-gradient(90deg,var(--case-accent) 0 1px,transparent 1px 7px);
  filter:drop-shadow(0 0 3px color-mix(in srgb,var(--case-accent) 58%,transparent));}
.c-panel.is-meter-observed .c-prob i::before{clip-path:inset(0 100% 0 0);}
.c-panel.is-meter-ready .c-prob i::before{animation:c-meter-reveal .72s cubic-bezier(.2,.72,.2,1) .15s both;}
.c-panel.is-meter-observed .c-prob b{opacity:.36;transition:opacity .24s ease-out;}
.c-panel.is-meter-ready .c-prob b{opacity:1;}
.c-panel.is-meter-ready .c-panel-row:nth-child(3) .c-prob i::before{animation-delay:.21s;}
.c-panel.is-meter-ready .c-panel-row:nth-child(4) .c-prob i::before{animation-delay:.27s;}
.c-panel.is-meter-ready .c-panel-row:nth-child(5) .c-prob i::before{animation-delay:.33s;}
.c-panel.is-meter-ready .c-panel-row:nth-child(6) .c-prob i::before{animation-delay:.39s;}
.c-panel.is-meter-ready .c-panel-row:nth-child(7) .c-prob i::before{animation-delay:.45s;}
@keyframes c-meter-reveal{from{clip-path:inset(0 100% 0 0)}to{clip-path:inset(0)}}
.c-prob b{min-width:3.2ch;font-family:var(--font-display);font-size:22px;font-weight:300;font-variant-numeric:tabular-nums;}
.c-prob.is-computed b{color:var(--case-accent);}

/* Why rare: compact explanatory marks sit beside each title over the shared animated dot field. */
.c-hard-title{display:grid;grid-template-columns:minmax(0,1fr) 84px;align-items:stretch;gap:16px;}
.c-hard-title h3{align-self:center;}
.c-hard-icon{width:84px;height:100%;min-height:46px;max-height:68px;align-self:stretch;overflow:hidden;}
.c-hard-icon .icon-shape{fill:var(--paper);}
.c-hard-icon.is-thick .icon-shape{stroke:var(--paper);stroke-width:36;stroke-linejoin:round;}
.c-rule-strip{display:grid;grid-template-columns:1fr 1.6fr;min-height:70px;}
.c-rule-strip span{display:flex;flex-direction:column;justify-content:center;padding:12px 16px;background:color-mix(in srgb,var(--on) 3%,transparent);font-family:var(--font-mono);font-size:8px;line-height:1.6;letter-spacing:.1em;text-transform:uppercase;color:var(--fill);}
.c-rule-strip span + span{border-left:1px solid var(--rule);}
.c-rule-strip b{font-size:11px;color:var(--on);}
.c-rule-strip .is-hot{background:color-mix(in srgb,var(--case-accent) 10%,transparent);color:var(--case-accent);}
.c-rule-strip .is-hot b{color:var(--case-accent);}
.c-rounding{display:grid;grid-template-columns:auto 1fr auto 1fr auto;align-items:center;gap:12px;min-height:70px;padding:0 14px;background:color-mix(in srgb,var(--on) 3%,transparent);font-family:var(--font-mono);font-size:8px;color:var(--fill);}
.c-rounding i{height:1px;background:var(--fill);}
.c-rounding strong{display:grid;place-items:center;width:44px;height:44px;background:var(--case-accent);color:#fff;font-family:var(--font-display);font-size:17px;font-weight:350;}

/* Resolution. */
.c-resolution-source{max-width:80ch;margin-top:24px;padding-top:20px;border-top:1px solid var(--rule);font-size:10.5px;font-weight:300;line-height:1.65;color:var(--fill);}
.c-resolution-source span{display:block;margin-bottom:8px;font-size:7px;letter-spacing:.14em;text-transform:uppercase;color:var(--fill);}
.c-resolution-source a{color:var(--on);text-decoration:none;border-bottom:1px solid var(--case-accent);}
.c-res-scale{--res-progress:6.8%;}
.c-res-scale .res-track span{width:var(--res-progress);}
.c-res-scale .res-track b{position:absolute;left:var(--res-progress);top:50%;width:18px;height:18px;background:var(--case-accent);box-shadow:0 0 12px color-mix(in srgb,var(--case-accent) 68%,transparent);transform:translate(-50%,-50%);}

/* Safeguards and mandatory honesty box. */
.c-safeguards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid var(--rule);background:var(--paper);}
.c-safeguards article{min-height:220px;padding:26px 24px;border-right:1px solid var(--hair);}
.c-safeguards article:last-child{border-right:0;}
.c-safeguards span{font-size:8px;line-height:1.3;letter-spacing:.15em;text-transform:uppercase;color:var(--fill);}
.c-safeguards strong{display:block;margin-top:28px;font-family:var(--font-display);font-size:clamp(25px,2.5vw,36px);font-weight:250;line-height:1.05;letter-spacing:var(--disp-tracking-md);}
.c-safeguards article:first-child strong{color:var(--case-accent);}
.c-safeguards p{max-width:32ch;margin-top:20px;font-size:11.5px;font-weight:300;line-height:1.65;color:var(--fill);}
.c-honesty{margin-top:20px;}

@media (max-width:1080px){
  .c-threshold{grid-template-columns:1fr;}
  .c-threshold-known{padding:0 0 14px;}
  .c-threshold-flow{flex-direction:row;padding:9px 0;border:0;border-top:1px solid var(--hair);border-bottom:1px solid var(--hair);}
  .c-threshold-test{padding:14px 0 0;}
  .c-panel-head,.c-panel-row{grid-template-columns:minmax(120px,.55fr) minmax(150px,1fr) minmax(130px,.7fr) minmax(150px,1fr);}
  .c-safeguards{grid-template-columns:repeat(2,minmax(0,1fr));}
  .c-safeguards article:nth-child(2){border-right:0;}
  .c-safeguards article:nth-child(-n+2){border-bottom:1px solid var(--hair);}
}

@media (max-width:820px){
  .c-panel-summary{grid-template-columns:1fr;}
  .c-panel-summary > div{min-height:122px;}
  .c-panel-summary .is-arrow{min-height:64px;flex-direction:row;border:0;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);}
  .c-panel-head{display:none;}
  .c-panel-row{grid-template-columns:92px 1fr 1fr;min-height:138px;}
  .c-panel-row > span{padding-left:14px;padding-right:14px;}
  .c-seat{grid-row:1 / span 2;}
  .c-level{grid-column:2 / 4;grid-row:1;justify-content:flex-start;min-height:52px;border-right:0 !important;border-bottom:1px solid var(--hair);}
  .c-level::before{content:"LEVEL";margin-right:auto;font-family:var(--font-mono);font-size:7px;letter-spacing:.12em;color:var(--fill);}
  .c-prob{grid-row:2;min-height:70px;}
  .c-prob.is-direct::before,.c-prob.is-computed::before{position:absolute;left:14px;top:8px;font-family:var(--font-mono);font-size:6px;letter-spacing:.1em;color:var(--fill);}
  .c-prob.is-direct::before{content:"DIRECT";}
  .c-prob.is-computed::before{content:"COMPUTED";}
  .c-prob i{margin-top:14px;}
  .c-prob b{margin-top:14px;font-size:18px;}
}

@media (max-width:720px){
  .c-evidence .ev-line{grid-template-columns:1fr;}
  .c-evidence .ev-kind,.c-evidence .ev-line:has(.c-threshold) .ev-kind{grid-column:1;grid-row:auto;}
  .c-evidence-meta,.c-evidence .ev-line > p,.c-evidence .ev-line:has(.c-threshold) > p,.c-threshold{grid-column:1;grid-row:auto;}
  .c-evidence-meta{flex-direction:column;gap:5px;padding:16px 20px 10px;}
  .c-threshold{margin:0 20px;}
  .c-safeguards{grid-template-columns:1fr;}
  .c-safeguards article{min-height:0;border-right:0;border-bottom:1px solid var(--hair);}
  .c-safeguards article:nth-child(2){border-right:0;}
  .c-safeguards article:nth-child(-n+2){border-bottom:1px solid var(--hair);}
  .c-safeguards article:last-child{border-bottom:0;}
}

@media (max-width:520px){
  .c-hard-title{grid-template-columns:minmax(0,1fr) 68px;gap:10px;}
  .c-hard-icon{width:68px;}
  .c-panel-summary > div:not(.is-arrow){grid-template-columns:1fr auto;}
  .c-panel-row{grid-template-columns:76px 1fr 1fr;}
  .c-panel-row > span{padding-left:10px;padding-right:10px;}
  .c-prob i{display:none;}
  .c-prob{justify-content:center;}
  .c-level::before{display:none;}
}

@media (prefers-reduced-motion:reduce){
  .c-prob i::before{animation:none;clip-path:inset(0);}
}