/* CATEGORY INDEX — pinned showcase that steps through all 9 categories */
.cindex{--cur:var(--magenta);position:relative;background:var(--paper)}
.ci-stage{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(40px,5.5vw,104px);align-items:center;min-height:100vh;min-height:100svh;padding-top:116px;padding-bottom:56px}

/* left: title + index of all categories + progress */
.ci-title{font-size:clamp(42px,4.3vw,72px);margin:16px 0 14px}
.ci-lede{max-width:360px;color:var(--ink-2);font-size:16px;line-height:1.55}
.ci-list{list-style:none;margin-top:clamp(24px,3.6vh,40px);border-top:1px solid var(--rule)}
.ci-list li{position:relative;border-bottom:1px solid var(--rule)}
.ci-list li::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--c);transform:scaleX(0);transform-origin:left;transition:transform .8s var(--ease-out)}
.ci-list button{all:unset;box-sizing:border-box;width:100%;display:grid;grid-template-columns:46px 1fr 10px;align-items:center;padding:clamp(6px,.95vh,11px) 0;cursor:pointer;color:var(--ink-3);transition:color .5s var(--ease)}
.ci-list button::after{content:"";width:10px;height:10px;border-radius:50%;background:var(--c);transform:scale(0);transition:transform .5s var(--ease-out)}
.ci-list button:focus-visible{outline:2px solid var(--magenta);outline-offset:2px;border-radius:4px}
.ci-list .n{color:inherit}
.ci-list .t{font-weight:600;font-size:clamp(18px,1.45vw,22px);letter-spacing:-.025em;line-height:1.2;transition:transform .6s var(--ease-out)}
.ci-list button:hover{color:var(--ink-2)}
.ci-list li.on button{color:var(--ink)}
.ci-list li.on .t{transform:translateX(6px)}
.ci-list li.on button::after{transform:scale(1)}
.ci-list li.on::after{transform:scaleX(1)}
.ci-list .thumb{display:none}

.ci-prog{display:flex;align-items:center;gap:18px;margin-top:26px;color:var(--ink-2)}
.ci-prog b{color:var(--ink);font-weight:500}
.ci-bar{flex:1;display:grid;grid-template-columns:repeat(9,1fr);gap:4px}
.ci-bar i{height:3px;border-radius:2px;background:var(--rule);position:relative;overflow:hidden}
.ci-bar i::after{content:"";position:absolute;inset:0;transform:scaleX(0);transform-origin:left;transition:transform .6s var(--ease-out)}
.ci-bar i:nth-child(1)::after{background:var(--magenta)}.ci-bar i:nth-child(2)::after{background:var(--orange)}.ci-bar i:nth-child(3)::after{background:var(--green)}
.ci-bar i:nth-child(4)::after{background:var(--cyan)}.ci-bar i:nth-child(5)::after{background:var(--purple)}.ci-bar i:nth-child(6)::after{background:var(--yellow)}.ci-bar i:nth-child(7)::after{background:var(--toronto)}.ci-bar i:nth-child(8)::after{background:var(--montreal)}.ci-bar i:nth-child(9)::after{background:var(--teal)}
.ci-bar i.done::after{transform:none}

/* right: image frame + big active name */
.ci-show{display:flex;flex-direction:column;gap:clamp(18px,2.6vh,28px);min-width:0}
.ci-frame{position:relative;width:min(100%,620px,calc((100vh - 330px) * 1.5));aspect-ratio:3/2;border-radius:22px;overflow:hidden;background:var(--mist);isolation:isolate}
.ci-frame .v{position:absolute;inset:0;opacity:0}
.ci-frame .v.on{opacity:1;z-index:2}
.ci-frame .wash{position:absolute;inset:0;background:var(--c)}
.ci-frame img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;will-change:transform}
.ci-tag{position:absolute;left:18px;top:18px;z-index:9;background:#fff;color:var(--ink);padding:8px 12px;border-radius:999px;font-size:10.5px}
.ci-tag::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--cur);margin-right:9px;vertical-align:1px;transition:background .5s}

.ci-names{position:relative;height:1.24em;font-size:clamp(36px,3.7vw,62px);overflow:hidden;padding-top:.04em}
.ci-names::before{content:"";position:absolute;left:0;top:0;width:56px;height:4px;border-radius:2px;background:var(--cur);transition:background .5s var(--ease)}
.ci-names .d{position:absolute;left:-.04em;top:.12em;white-space:nowrap;line-height:.95;opacity:0}
.ci-names .d.on{opacity:1}
.ci-names .ch{display:inline-block;white-space:pre}

/* JS showcase mode (desktop, motion allowed) */
.ci-js .ci-frame .v{opacity:1}
.ci-js .ci-names .d{opacity:1}

/* MOBILE: every category visible as a tile grid */
@media (max-width:900px){
  .ci-stage{grid-template-columns:minmax(0,1fr);min-height:0;padding-top:96px;padding-bottom:88px;gap:0}
  .ci-show,.ci-prog{display:none}
  .ci-title{font-size:clamp(42px,11vw,60px)}
  .ci-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 12px;border-top:0;margin-top:34px}
  .ci-list li{border:0;display:flex;flex-direction:column}
  .ci-list li::after{display:none}
  .ci-list li.wide{grid-column:span 2}
  .ci-list .thumb{display:block;order:-1;width:100%;height:auto;aspect-ratio:4/5;object-fit:cover;border-radius:16px;background:var(--c)}
  .ci-list li.wide .thumb{aspect-ratio:16/9}
  .ci-list button{grid-template-columns:auto 1fr;gap:10px;padding:12px 0 0;color:var(--ink);cursor:default;align-items:baseline}
  .ci-list button::after{display:none}
  .ci-list .n{display:inline-flex;align-items:center;gap:7px;color:var(--ink-2)}
  .ci-list .n::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--c)}
  .ci-list .t{font-size:19px}
  .ci-list li.on .t{transform:none}
  .ci-list li.on button,.ci-list button:hover{color:var(--ink)}
}
@media (max-width:900px) and (prefers-reduced-motion:no-preference){
  .js .ci-list .thumb{clip-path:inset(100% 0 0 0 round 16px);transform:scale(1.08);transition:clip-path 1.1s var(--ease-out),transform 1.4s var(--ease-out)}
  .js .ci-list button{opacity:0;transform:translateY(12px);transition:opacity .8s var(--ease-out) .15s,transform .8s var(--ease-out) .15s}
  .js .ci-list li.in .thumb{clip-path:inset(0 0 0 0 round 16px);transform:none}
  .js .ci-list li.in button{opacity:1;transform:none}
}