/* Case study — page-specific styles
   Loaded after editorial.css. Contains only what the shared design system
   does not provide, plus a handful of overrides to preserve this page's
   intentional proportions and the contour decoration. */

/* ============ HERO OVERRIDES ============ */
/* The case-study hero is intentionally tighter than the editorial default */
.hero{padding:90px 0 60px}
.hero-sub{max-width:46ch;margin-top:30px}
.lede{max-width:40ch}

/* ============ CONTOUR DECORATION ============ */
/* editorial.css hides .contour site-wide; the case study re-enables it */
.contour{display:block;position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:0}
.contour path{fill:none;stroke-width:1}
.hero .contour path{stroke:rgba(169,187,251,.16)}
.dark .contour path{stroke:rgba(169,187,251,.10)}
footer .contour path{stroke:rgba(169,187,251,.08)}

/* ============ SCROLL CUE ============ */
.scrollcue{
  position:absolute;bottom:30px;left:50%;transform:translateX(-50%);
  font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--muted-d);display:flex;flex-direction:column;align-items:center;gap:9px;z-index:2;
}
.scrollcue .bar{width:1px;height:34px;background:linear-gradient(var(--sky),transparent);animation:drop 1.9s infinite}
@keyframes drop{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ============ 01 CHALLENGE ============ */
.challenge .grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(34px,6vw,80px);align-items:start}
.quote{
  position:relative;background:var(--paper-2);border:1px solid var(--line);
  border-radius:18px;padding:38px 34px;box-shadow:0 24px 50px -34px rgba(16,19,46,.4);
}
.quote .mk{font-family:var(--serif);font-size:80px;line-height:.6;color:var(--blue);opacity:.25;height:34px}
.quote p{font-family:var(--serif);font-size:clamp(21px,2.7vw,29px);font-style:italic;line-height:1.32;margin:6px 0 22px}
.quote .split{display:flex;gap:10px;flex-wrap:wrap}
.chip{font-family:var(--mono);font-size:11.5px;letter-spacing:.04em;padding:6px 12px;border-radius:7px;font-weight:500}
.chip.pos{background:rgba(53,80,230,.12);color:var(--blue)}
.chip.neg{background:rgba(219,106,51,.14);color:var(--clay)}
.quote .flat{margin-top:20px;font-size:13.5px;color:var(--muted);font-family:var(--sans)}
.quote .flat b{color:var(--ink);font-weight:600}

.statrow{display:flex;gap:clamp(20px,4vw,46px);margin-top:8px;flex-wrap:wrap}
.stat{flex:1;min-width:140px}
.stat .num{font-family:var(--serif);font-weight:600;font-size:clamp(46px,7vw,76px);line-height:1;letter-spacing:-.03em;color:var(--ink)}
.dark .stat .num{color:#fff}
.stat .num .u{font-size:.5em;vertical-align:.12em;color:var(--blue);margin-left:1px}
.dark .stat .num .u{color:var(--blue-2)}
.stat .cap{font-size:14px;color:var(--muted);margin-top:10px;max-width:24ch}
.dark .stat .cap{color:var(--muted-d)}

.frictions{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin-top:60px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.friction{background:var(--paper-2);padding:26px 24px}
.friction .n{font-family:var(--mono);font-size:12px;color:var(--blue);letter-spacing:.1em}
.friction h4{font-family:var(--serif);font-size:21px;font-weight:600;margin:10px 0 7px}
.friction p{font-size:13.5px;color:var(--muted);line-height:1.5}

/* ============ 02 INSIGHT — quadrant ============ */
.insight .glow{position:absolute;width:70vw;height:70vw;max-width:760px;max-height:760px;top:10%;left:-18%;border-radius:50%;background:radial-gradient(circle,rgba(53,80,230,.26),transparent 60%);z-index:0}
.insight .head{display:grid;grid-template-columns:1.4fr .6fr;gap:40px;align-items:end;position:relative;z-index:2}

.silbox{
  text-align:right;cursor:pointer;
  border:1px solid transparent;border-radius:14px;padding:16px 20px;
  transition:border-color .3s,background .3s;
}
.silbox:hover{border-color:rgba(169,187,251,.35);background:rgba(255,255,255,.03)}
.silbox:focus-visible{outline:2px solid var(--sky);outline-offset:2px}
.silbox .num{font-family:var(--serif);font-size:clamp(40px,6vw,66px);font-weight:600;color:#fff;line-height:1}
.silbox .lbl{font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;color:var(--muted-d);margin-top:8px;text-transform:uppercase}
.silbox .toggle{
  margin-top:14px;font-family:var(--mono);font-size:11px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--blue-2);
  display:flex;justify-content:flex-end;align-items:center;gap:8px;
}
.silbox .toggle .ic{transition:transform .4s;display:inline-block}
.silbox.open .toggle .ic{transform:rotate(45deg)}
.silbox .more{
  max-height:0;overflow:hidden;opacity:0;text-align:left;
  transition:max-height .55s ease,margin .5s,opacity .4s;
}
.silbox.open .more{max-height:640px;margin-top:18px;opacity:1}
.silbox .more .div{height:1px;background:var(--line-d);margin-bottom:16px}
.silbox .explain{
  font-size:13.5px;color:var(--muted-d);line-height:1.6;
  border-left:2px solid var(--blue-2);padding-left:14px;margin-bottom:18px;
  font-family:var(--sans);
}
.silbox .explain i{font-family:var(--serif);font-style:italic;color:#fff}
.silbox .features-label{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--sky);margin-bottom:10px;
}
.silbox .features{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:9px}
.silbox .features .feat{
  display:flex;gap:14px;font-size:13px;color:var(--muted-d);line-height:1.5;align-items:baseline;
}
.silbox .features .feat b{
  font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;
  color:#fff;font-weight:600;min-width:130px;padding-top:1px;
}

.quad{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:54px;position:relative;z-index:2}
.seg{
  position:relative;border:1px solid var(--line-d);border-radius:16px;
  background:linear-gradient(160deg,rgba(255,255,255,.05),rgba(255,255,255,.02));
  padding:26px 26px 24px;cursor:pointer;overflow:hidden;
  transition:border-color .4s,transform .4s,background .4s;
}
.seg:hover{border-color:rgba(169,187,251,.5);transform:translateY(-3px)}
.seg::after{content:"";position:absolute;left:0;top:0;height:100%;width:3px;background:var(--blue-2);opacity:.0;transition:opacity .4s}
.seg.lev::after{background:var(--clay-2)}
.seg:hover::after{opacity:1}
.seg .tier{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--sky)}
.seg.lev .tier{color:var(--clay-2)}
.seg .pct{font-family:var(--serif);font-size:clamp(38px,5vw,54px);font-weight:600;line-height:1;margin:14px 0 4px}
.seg .name{font-family:var(--sans);font-weight:600;font-size:15px;letter-spacing:.01em;text-transform:uppercase;color:rgba(255,255,255,.92)}
.seg .one{font-size:14px;color:var(--muted-d);margin-top:12px;line-height:1.5}
.seg .more{max-height:0;overflow:hidden;transition:max-height .5s ease,margin .5s,opacity .4s;opacity:0}
.seg.open .more{max-height:300px;margin-top:16px;opacity:1}
.seg .more .div{height:1px;background:var(--line-d);margin-bottom:14px}
.seg .more .row{display:flex;gap:8px;font-size:13px;color:var(--muted-d);margin-bottom:7px}
.seg .more .row b{color:#fff;font-weight:600;min-width:74px;font-family:var(--mono);font-size:11px;letter-spacing:.04em;text-transform:uppercase;padding-top:2px}
.seg .toggle{margin-top:16px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--blue-2);text-transform:uppercase;display:flex;align-items:center;gap:7px}
.seg.lev .toggle{color:var(--clay-2)}
.seg .toggle .ic{transition:transform .4s;display:inline-block}
.seg.open .toggle .ic{transform:rotate(45deg)}

.punch{margin-top:46px;position:relative;z-index:2;border-top:1px solid var(--line-d);padding-top:32px;max-width:60ch}
.punch p{font-family:var(--serif);font-size:clamp(20px,2.7vw,29px);font-weight:500;line-height:1.4}
.punch p em{font-style:italic;color:var(--clay-2)}

/* ============ 03 SOLUTION — transform ============ */
.sol .head{max-width:54ch}
.lab{
  margin-top:54px;border:1px solid var(--line);border-radius:20px;overflow:hidden;
  background:var(--paper-2);box-shadow:0 30px 70px -50px rgba(16,19,46,.5);
}
.lab-top{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 20px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.lab-top .dot{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.samples{display:flex;gap:7px}
.samp{font-family:var(--mono);font-size:11px;letter-spacing:.03em;padding:7px 13px;border-radius:8px;border:1px solid var(--line);background:transparent;cursor:pointer;color:var(--muted);transition:.25s}
.samp.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.lab-body{display:grid;grid-template-columns:1fr auto 1.25fr;gap:0;align-items:stretch}
.lab-in{padding:30px 28px}
.lab-in .tg{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--blue);margin-bottom:14px}
.lab-in .review{font-family:var(--serif);font-size:clamp(18px,2.3vw,23px);font-style:italic;line-height:1.42;color:var(--ink);min-height:96px}
.lab-in .meta{margin-top:18px;display:flex;gap:8px;flex-wrap:wrap}
.meta .m{font-family:var(--mono);font-size:11px;padding:5px 10px;border-radius:6px;background:rgba(16,19,46,.06);color:var(--muted)}
.runwrap{margin-top:26px}
.run{
  font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;font-weight:500;
  background:var(--blue);color:#fff;border:none;border-radius:10px;padding:13px 22px;cursor:pointer;
  display:inline-flex;align-items:center;gap:10px;transition:.3s;
}
.run:hover{background:var(--ink);transform:translateY(-2px)}
.run .arr{transition:transform .3s}
.run:hover .arr{transform:translateX(4px)}
.run:disabled{opacity:.5;cursor:default;transform:none}
.lab-mid{width:1px;background:var(--line)}
.lab-out{padding:24px 26px;background:linear-gradient(180deg,rgba(53,80,230,.04),transparent)}
.lab-out .tg{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--clay);margin-bottom:16px}
.ofield{
  opacity:0;transform:translateX(14px);
  border-left:2px solid var(--blue);padding:9px 0 9px 15px;margin-bottom:13px;
  transition:opacity .5s,transform .5s;
}
.ofield.show{opacity:1;transform:none}
.ofield.urg{border-color:var(--clay)}
.ofield .k{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.ofield .v{font-size:14.5px;color:var(--ink);margin-top:3px;line-height:1.45}
.ofield .v b{font-weight:600}
.badge{display:inline-block;font-family:var(--mono);font-size:10px;letter-spacing:.06em;padding:3px 8px;border-radius:5px;font-weight:600;text-transform:uppercase;vertical-align:1px}
.badge.mixed{background:rgba(219,106,51,.15);color:var(--clay)}
.badge.act{background:rgba(219,106,51,.15);color:var(--clay)}
.placeholder{
  font-size:14px;color:var(--muted);font-family:var(--sans);
  padding:14px 18px;width:100%;
  background:transparent;border:1px dashed var(--line);border-radius:10px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  text-align:left;cursor:pointer;
  transition:border-color .25s,background .25s,color .25s;
}
.placeholder:hover{border-color:var(--blue);background:rgba(53,80,230,.05);color:var(--ink)}
.placeholder:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
.placeholder b{color:var(--ink);font-weight:600}
.placeholder:hover b{color:var(--blue)}

/* five-output strip */
.outputs{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden;margin-top:18px}
.op{background:var(--paper-2);padding:20px 18px}
.op .i{font-family:var(--mono);font-size:11px;color:var(--blue);letter-spacing:.06em}
.op h5{font-family:var(--serif);font-size:17px;font-weight:600;margin:9px 0 5px}
.op p{font-size:12.5px;color:var(--muted);line-height:1.45}

/* ============ 04 OPERATING MODEL — router ============ */
.ops .head{max-width:52ch}
.router{margin-top:50px;display:flex;flex-direction:column;gap:11px}
.route{
  display:grid;grid-template-columns:200px 1fr;gap:0;align-items:stretch;
  border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--paper-2);
  cursor:pointer;transition:.3s;
}
.route:hover{transform:translateX(5px);box-shadow:-6px 14px 34px -24px rgba(16,19,46,.5)}
.route .tier{
  padding:20px 22px;display:flex;flex-direction:column;justify-content:center;gap:5px;color:#fff;position:relative;
}
.route .tier .lvl{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;opacity:.85}
.route .tier .t{font-family:var(--serif);font-size:22px;font-weight:600}
.route.critical .tier{background:#B4472A}
.route.actionable .tier{background:var(--clay)}
.route.monitor .tier{background:var(--blue)}
.route.insight .tier{background:var(--ink-3)}
.route .body{padding:18px 24px;display:flex;align-items:center;gap:clamp(14px,3vw,40px);flex-wrap:wrap}
.route .who{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.route .who b{display:block;font-family:var(--sans);font-size:15px;letter-spacing:0;text-transform:none;color:var(--ink);font-weight:600;margin-top:3px}
.route .act{font-size:14px;color:var(--muted);max-width:42ch;line-height:1.45;
  max-height:0;overflow:hidden;opacity:0;transition:max-height .45s,opacity .35s}
.route.open .act{max-height:80px;opacity:1}
.route .arrow{margin-left:auto;font-family:var(--mono);font-size:18px;color:var(--line);transition:.3s}
.route.open .arrow{color:var(--blue);transform:rotate(90deg)}

.gate{margin-top:30px;display:flex;gap:16px;align-items:flex-start;padding:24px 26px;border:1px dashed var(--line);border-radius:14px;background:rgba(53,80,230,.04)}
.gate .ic{font-family:var(--serif);font-size:30px;color:var(--blue);line-height:1}
.gate p{font-size:14.5px;color:var(--muted);line-height:1.55;max-width:70ch}
.gate p b{color:var(--ink);font-weight:600}

/* ============ 05 VALUE ============ */
.value .grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(34px,6vw,70px);align-items:start}
.impacts{display:flex;flex-direction:column;gap:4px}
.imp{padding:22px 0;border-top:1px solid var(--line-d)}
.imp:last-child{border-bottom:1px solid var(--line-d)}
.imp .ar{font-family:var(--serif);color:var(--blue-2);font-size:20px;margin-right:6px}
.imp h4{font-family:var(--sans);font-size:16px;font-weight:600;color:#fff;display:inline}
.imp p{font-size:14px;color:var(--muted-d);margin-top:8px;line-height:1.5;max-width:46ch}

.costcard{border:1px solid var(--line-d);border-radius:18px;padding:30px 30px 26px;background:linear-gradient(160deg,rgba(255,255,255,.05),rgba(255,255,255,.01))}
.costcard .tg{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--sky);margin-bottom:22px}
.costline{display:flex;justify-content:space-between;align-items:baseline;padding:16px 0;border-bottom:1px solid var(--line-d)}
.costline:last-child{border-bottom:none}
.costline .lbl{font-size:14px;color:var(--muted-d)}
.costline .v{font-family:var(--serif);font-size:clamp(26px,4vw,38px);font-weight:600;color:#fff}
.costline .v .u{font-size:.5em;color:var(--blue-2)}
.costnote{font-size:12.5px;color:var(--muted-d);margin-top:18px;line-height:1.5}

/* ring */
.ringwrap{display:flex;align-items:center;gap:30px;margin-top:34px;flex-wrap:wrap}
.ring{width:150px;height:150px;border-radius:50%;position:relative;flex-shrink:0;
  background:conic-gradient(var(--clay) 0 48%,var(--blue) 48% 72%,var(--sky) 72% 90%,var(--muted-d) 90% 100%)}
.ring::after{content:"";position:absolute;inset:26px;border-radius:50%;background:var(--ink)}
.ring .cen{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:2}
.ring .cen b{font-family:var(--serif);font-size:26px;font-weight:600;color:#fff}
.ring .cen span{font-family:var(--mono);font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-d)}
.legend{display:flex;flex-direction:column;gap:9px}
.legend .li{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--muted-d)}
.legend .sw{width:11px;height:11px;border-radius:3px}
.legend .li b{color:#fff;font-weight:600;font-family:var(--mono);font-size:12.5px}

/* ============ 06 TECH ============ */
.tech .grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(34px,6vw,70px);align-items:start}
.techstats{display:flex;flex-direction:column;gap:0;margin-top:6px}
.ts{padding:20px 0;border-top:1px solid var(--line);display:flex;gap:22px;align-items:baseline}
.ts:last-child{border-bottom:1px solid var(--line)}
.ts .n{font-family:var(--serif);font-size:clamp(30px,4vw,44px);font-weight:600;line-height:1;color:var(--ink);min-width:120px}
.ts .n .u{font-size:.5em;color:var(--blue)}
.ts .d{font-size:14px;color:var(--muted);line-height:1.5}
.ts .d b{color:var(--ink);font-weight:600}

.techcopy p{font-size:15.5px;color:var(--muted);line-height:1.65;margin-bottom:16px}
.techcopy p b{color:var(--ink);font-weight:600}
.note{font-family:var(--mono);font-size:12px;color:var(--muted);line-height:1.6;border-left:2px solid var(--blue);padding:4px 0 4px 16px;margin:24px 0}
.linkout{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:13px;letter-spacing:.04em;color:var(--blue);text-decoration:none;font-weight:500;border-bottom:1px solid transparent;padding-bottom:3px;transition:.25s}
.linkout:hover{border-color:var(--blue);gap:14px}

/* ============ CASE STUDY FOOTER ============ */
/* The case study uses a bare <footer> (not .editorial-footer) with its own layout */
footer{background:var(--ink);color:#fff;padding:60px 0 50px;position:relative;overflow:hidden}
footer .wrap{position:relative;z-index:2;display:flex;justify-content:space-between;align-items:flex-end;gap:30px;flex-wrap:wrap}
footer .nm{font-family:var(--serif);font-size:26px;font-weight:600}
footer .cr{font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--muted-d);margin-top:8px;line-height:1.7}
footer .rt{font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--sky);text-align:right}

/* ============ RESPONSIVE ============ */
@media(max-width:880px){
  .challenge .grid,.value .grid,.tech .grid,.insight .head{grid-template-columns:1fr}
  .silbox{text-align:left}
  .silbox .num,.silbox .lbl{display:inline-block;vertical-align:baseline}
  .silbox .lbl{margin-top:0;margin-left:18px}
  .silbox .toggle{justify-content:flex-start;margin-top:12px}
  .silbox .features .feat{flex-direction:column;gap:4px}
  .silbox .features .feat b{min-width:0}
  .quad{grid-template-columns:1fr}
  .frictions{grid-template-columns:1fr}
  .lab-body{grid-template-columns:1fr}
  .lab-mid{width:100%;height:1px}
  .outputs{grid-template-columns:1fr 1fr}
  .route{grid-template-columns:1fr}
  .route .tier{flex-direction:row;justify-content:space-between;align-items:center}
  .ts{flex-direction:column;gap:6px}
  .ts .n{min-width:0}
}
@media(max-width:480px){
  .outputs{grid-template-columns:1fr}
  .hero-meta{font-size:11px}
  .samples{width:100%}
}
@media(prefers-reduced-motion:reduce){
  .scrollcue .bar{animation:none}
}