/* Case Studies — shared styles. Tokens match /work and the site's light/dark aesthetic. */
:root{--bg:#E8E4DB;--panel:#EEEBE3;--card:#F4F2EC;--ink:#211B2E;--soft:#4B4459;--mute:#5F5769;--accent:#5B3DF5;--line:rgba(33,27,46,.16);--line2:rgba(33,27,46,.08);
  --serif:Georgia,'Iowan Old Style',Palatino,serif;--mono:ui-monospace,'SF Mono','JetBrains Mono',Menlo,Consolas,monospace}
@media (prefers-color-scheme:dark){:root{--bg:#131019;--panel:#191521;--card:#1E1928;--ink:#E9E5DC;--soft:#B4AEC2;--mute:#8B84A0;--accent:#9B87FF;--line:rgba(233,229,220,.17);--line2:rgba(233,229,220,.08)}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--serif);overflow-x:clip;
  background-image:linear-gradient(var(--line2) 1px,transparent 1px),linear-gradient(90deg,var(--line2) 1px,transparent 1px);background-size:32px 32px}
a{color:var(--accent)}
.mono{font-family:var(--mono)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:16px;background:var(--panel);padding:8px;z-index:9}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--mute)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ---------- Index ---------- */
.wrap{display:grid;grid-template-columns:260px 1fr;gap:40px;max-width:1360px;margin:0 auto;padding:16px 32px 64px}
aside.filters{position:sticky;top:76px;align-self:start;border:1px solid var(--line);background:var(--panel);padding:22px}
.tb{display:flex;justify-content:space-between;font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--mute);padding-bottom:14px;border-bottom:1px solid var(--line)}
aside h1{font-size:30px;margin:18px 0 6px;line-height:1.05}
aside .sub{font-family:var(--mono);font-size:12.5px;color:var(--soft);line-height:1.7;margin:0 0 18px;padding-bottom:16px;border-bottom:1px solid var(--line)}
aside .sub b{color:var(--accent);font-weight:700}
fieldset{border:0;margin:0 0 18px;padding:0}
legend{font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--mute);margin-bottom:8px}
legend .n{letter-spacing:.1em}
.chips{display:flex;flex-direction:column;align-items:flex-start;gap:2px}
.chip{font-family:var(--mono);font-size:12px;display:inline-flex;align-items:baseline;gap:8px;text-align:left;border:0;border-left:2px solid transparent;background:transparent;color:var(--soft);padding:6px 10px;margin-left:-12px;min-height:32px;cursor:pointer}
.chip:hover{color:var(--ink);border-left-color:var(--line)}
.chip[aria-pressed="true"]{color:var(--accent);border-left-color:var(--accent);font-weight:700}
.chip .n{font-size:11px;color:var(--mute)}.chip[aria-pressed="true"] .n{color:var(--accent)}
.count{font-family:var(--mono);font-size:12px;color:var(--mute);margin:6px 0 0}
.reset{font-family:var(--mono);font-size:12px;background:none;border:0;color:var(--accent);cursor:pointer;padding:0;text-decoration:underline}
main .intro{max-width:none;margin:8px 0 28px}
main h2{font-size:clamp(30px,4vw,46px);margin:8px 0 10px;line-height:1.08;font-weight:400}
main h2 em{color:var(--accent);font-style:italic}
.lede{color:var(--soft);font-size:18px;line-height:1.55;margin:0;max-width:62ch}
ul.grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:22px}
.grid>li{display:flex}.grid>li[hidden]{display:none}.grid>li>.card{flex:1}
.card{display:flex;flex-direction:column;text-align:left;font:inherit;color:inherit;background:var(--card);border:1px solid var(--line);padding:0;text-decoration:none;transition:transform .15s,border-color .15s}
.card:hover{transform:translateY(-2px);border-color:var(--accent)}
.card img{border-radius:10px 10px 0 0;width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;object-position:top;display:block;border-bottom:1px solid var(--line)}
.card .meta{padding:16px 18px 18px}
.card .who{font-family:var(--mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.card h3{font-size:21px;margin:6px 0 8px;line-height:1.2;font-weight:700}
.card p{margin:0 0 12px;color:var(--soft);font-size:15px;line-height:1.5}
.tags{display:flex;flex-wrap:wrap;gap:5px}
.tags span{font-family:var(--mono);font-size:11px;color:var(--mute);border:1px solid var(--line2);padding:3px 6px}
.empty{font-family:var(--mono);color:var(--soft)}
footer.cta{max-width:1360px;margin:0 auto;padding:0 32px 64px}
footer.cta div{border:1px solid var(--line);background:var(--panel);padding:clamp(24px,2.6vw,40px);display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:18px}
footer.cta p{margin:0;font-size:22px}
.btn{font-family:var(--mono);font-size:13px;border:1px solid var(--line);background:transparent;color:var(--ink);padding:8px 12px;cursor:pointer;text-decoration:none;display:inline-block}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--bg)}

/* ---------- Per-study page ---------- */
.study{max-width:1100px;margin:0 auto;padding:0 32px 72px}
.study .back{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;display:inline-block;margin:20px 0 6px}
/* Full-bleed: break out of the .study max-width to span the page, with a side gutter. */
.fullbleed{width:100vw;margin-left:calc(50% - 50vw);padding:0 clamp(16px,5vw,64px)}
.study-head{margin-top:4px}
.study-head .back{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;display:block;margin:20px 0 14px}
.study-head .eyebrow{display:block}
.study-head h1{font-size:clamp(34px,6vw,68px);line-height:1.03;font-weight:400;margin:10px 0 14px;max-width:none}
.study-head .outcome{font-size:clamp(19px,2.4vw,24px);color:var(--soft);line-height:1.4;margin:0 0 14px;max-width:none}
/* Header media row: hero image left (2/3), meta table right (1/3) on wide; stacked on narrow. */
.media-row{display:flex;flex-direction:column;gap:20px;margin-top:22px;margin-bottom:8px}
@media (min-width:860px){.media-row{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:28px;align-items:start}}
.media-row>*{min-width:0}
.media-left{display:flex;flex-direction:column;gap:18px;min-width:0}
.media-row .hero-fig{margin:0}
.deck-link{font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;margin:0 0 22px}
.deck-link a{text-decoration:none;border-bottom:1px solid var(--line)}.deck-link a:hover{border-bottom-color:var(--accent)}
.hero-img{width:100%;aspect-ratio:16/9;object-fit:cover;object-position:top;border:1px solid var(--line);border-radius:16px;display:block;background:var(--card);box-shadow:0 1px 0 var(--line2),0 16px 40px rgba(0,0,0,.22)}
figure img:not(.hero-img){border-radius:12px;border:1px solid var(--line)}
figure{margin:0}
figcaption{font-family:var(--mono);font-size:12.5px;color:var(--mute);line-height:1.5;margin-top:8px}
.meta-wrap{container-type:inline-size}
.meta-band{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);margin:0}
.meta-band .cell{background:var(--panel);padding:14px 16px}
.meta-band .cell.span2{grid-column:1 / -1}
.meta-band dt{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--mute);margin:0 0 5px}
.meta-band dd{margin:0;font-size:14.5px;line-height:1.45;color:var(--ink)}
@container (max-width:340px){.meta-band{grid-template-columns:1fr}.meta-band .cell.span2{grid-column:auto}}
.body{max-width:68ch;margin:0 auto}
.body .measure{max-width:72ch}
/* TL;DR: centered standfirst below the header media row. */
.tldr-under{margin:0}
.tldr-under .eyebrow{margin-bottom:8px;display:block}
.tldr-under p{margin:0;font-size:19px;line-height:1.55;color:var(--ink)}
.study h2{font-size:clamp(23px,3vw,30px);line-height:1.2;font-weight:700;margin:40px 0 10px}
.study h3{font-size:19px;line-height:1.3;font-weight:700;margin:26px 0 8px}
.study p{font-size:17px;line-height:1.6;color:var(--ink);max-width:68ch;margin:0 0 14px}
.study .lead{color:var(--soft)}
.study ul.facts{margin:0 0 14px;padding-left:1.1em;max-width:68ch}
.study ul.facts li{font-size:17px;line-height:1.6;margin:0 0 9px}
.pquote{margin:30px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0}
.pquote p{font-size:clamp(21px,3vw,27px);line-height:1.35;color:var(--accent);font-style:italic;margin:0;max-width:none}
.decision{border:1px solid var(--line);background:var(--panel);padding:20px 22px;margin:16px 0;border-radius:10px}
.decision h3{margin-top:0}
.decision p{margin-bottom:0}
/* Decision card with a screenshot: 2/3 text, 1/3 image in a small 16:9 frame. */
.decision.has-img{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:620px){.decision.has-img{grid-template-columns:2fr 1fr;gap:22px;align-items:start}}
.decision.has-img .decision-text{min-width:0}
.decision-fig{margin:0;min-width:0}
.decision.has-img .decision-fig img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;object-position:top;border-radius:10px;border:1px solid var(--line);display:block;background:var(--card)}
.metric-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin:16px 0 22px}
.metric{border:1px solid var(--line);background:var(--panel);padding:20px;border-radius:10px}
.metric .v{font-size:clamp(23px,2.8vw,32px);line-height:1.05;color:var(--accent);font-family:var(--mono);font-weight:700;white-space:nowrap}
.metric .l{display:block;margin-top:8px;font-size:14.5px;color:var(--ink)}
.metric .m{display:block;margin-top:6px;font-family:var(--mono);font-size:11.5px;color:var(--mute);line-height:1.4}
.gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin:14px 0}
.gallery figure img{width:100%;height:auto;border:1px solid var(--line);border-radius:8px;display:block;background:var(--card)}
/* App Store-style screen viewer: uniform phone frames in a horizontal snap-scroller. */
.screens{margin:22px 0 26px}
.screens-scroll{display:flex;gap:16px;overflow-x:auto;overflow-y:hidden;scroll-snap-type:x proximity;overscroll-behavior-x:contain;padding:4px 2px 16px;scrollbar-width:thin;scrollbar-color:var(--line) transparent}
.screens-scroll::-webkit-scrollbar{height:8px}
.screens-scroll::-webkit-scrollbar-track{background:transparent}
.screens-scroll::-webkit-scrollbar-thumb{background:var(--line);border-radius:8px}
.screens-scroll .shot{flex:0 0 auto;width:clamp(178px,42vw,216px);margin:0;scroll-snap-align:center}
.screens-scroll .shot img{width:100%;aspect-ratio:9/19.5;object-fit:cover;object-position:top;border-radius:24px;border:1px solid var(--line);background:var(--card);box-shadow:0 1px 0 var(--line2),0 16px 38px rgba(0,0,0,.28);display:block}
.screens-scroll .shot figcaption{font-family:var(--mono);font-size:11.5px;color:var(--mute);line-height:1.4;margin-top:10px;text-align:center}
.reflection{border-left:3px solid var(--accent);background:var(--panel);padding:18px 22px;margin:30px 0}
.related{margin:44px 0 0}
.related h2{margin-bottom:14px}
@media (max-width:860px){
  .wrap{grid-template-columns:1fr;padding:8px 16px 48px;gap:20px}
  aside.filters{position:static}
  ul.grid{grid-template-columns:1fr}
  footer.cta{padding:0 16px 48px}
  .study{padding:0 16px 56px}
}
@media (prefers-reduced-motion:reduce){.card{transition:none}.card:hover{transform:none}}