/* Case-study archive only; full project layouts remain unchanged. */
.ch-hub{--ch-line:#ffffff29;--ch-muted:#b7b7ae;background:#0a0a0a;color:#f7f7f2}
.ch-hub + .closing-cta{display:none}
.ch-hero{display:grid;grid-template-columns:minmax(0,1fr) 190px;gap:64px;align-items:center;padding:40px max(5vw,24px);background:#151515;border-bottom:1px solid var(--ch-line)}
.ch-eyebrow{margin:0 0 16px;font:11px/1.6 var(--font-mono);letter-spacing:.055em;text-transform:uppercase}.ch-hero .ch-eyebrow,.ch-heading .ch-eyebrow{color:var(--signal)}
.ch-hero h1{max-width:740px;margin:0;font-family:var(--font-display);font-size:clamp(30px,3.3vw,44px);line-height:1.1;letter-spacing:-.05em;text-wrap:balance}
.ch-intro{max-width:650px;margin:18px 0 0;font-size:14px;line-height:1.75;color:var(--ch-muted)}
.ch-brand{padding:0;border:0;background:transparent}.ch-brand img{display:block;width:100%;height:auto;object-fit:contain}
.ch-library{max-width:1360px;margin:0 auto;padding:32px max(5vw,24px) 44px}.ch-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}.ch-heading .ch-eyebrow{margin-bottom:10px}
.ch-heading h2,.ch-closing h2{margin:0;font-family:var(--font-display);font-size:clamp(24px,2.3vw,30px);line-height:1.14;letter-spacing:-.045em;text-wrap:balance}.ch-heading p:not(.ch-eyebrow){max-width:680px;font-size:13px;line-height:1.7;color:var(--ch-muted);margin:12px 0 0}.ch-total{flex-shrink:0;font-size:12px;color:var(--ch-muted)}
.ch-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:stretch}
.ch-card{display:flex;flex-direction:column;min-width:0;border:1px solid var(--ch-line);background:#151515}.ch-card__image{display:block;aspect-ratio:16/9;overflow:hidden;background:#222}.ch-card__image img{display:block;width:100%;height:100%;object-fit:cover;object-position:50% 38%}.ch-card__image--brand{display:flex;align-items:center;justify-content:center}.ch-card__image--brand img{width:65%;height:auto;object-fit:contain}
.ch-card__body{display:flex;flex-direction:column;flex:1;padding:20px}.ch-card__client{margin:0;color:var(--signal);font:10px/1.6 var(--font-mono);text-transform:uppercase;letter-spacing:.03em}.ch-card h3{margin:13px 0 12px;font-family:var(--font-display);font-size:clamp(21px,1.6vw,23px);line-height:1.2;letter-spacing:-.035em;overflow-wrap:anywhere}.ch-card h3 a{color:inherit;text-decoration:none}.ch-card h3 a:hover{color:var(--signal)}
.ch-card__excerpt{margin:0 0 18px;font-size:13px;line-height:1.7;color:var(--ch-muted)}.ch-card__meta{display:flex;flex-wrap:wrap;gap:8px 14px;margin-bottom:16px;font-size:11px;line-height:1.6;color:#cecec6}.ch-card__meta span+span::before{content:'·';margin-right:12px;color:var(--signal)}
.ch-facts{border-top:1px solid var(--ch-line);border-bottom:1px solid var(--ch-line);font-size:12px}.ch-facts summary{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:44px;padding:10px 0;cursor:pointer;list-style:none;color:#deded6}.ch-facts summary::-webkit-details-marker{display:none}.ch-facts summary span{font-size:20px;line-height:1;color:var(--signal)}.ch-facts[open] summary span{transform:rotate(45deg)}.ch-facts dl{margin:0;padding-bottom:16px;display:grid;grid-template-columns:1fr 1fr;gap:14px 20px}.ch-facts dt{font:9px/1.6 var(--font-mono);text-transform:uppercase;color:var(--ch-muted);margin-bottom:4px}.ch-facts dd{margin:0;line-height:1.6;overflow-wrap:anywhere}
.ch-facts{margin-top:auto}.ch-card__link{display:flex;justify-content:space-between;align-items:center;gap:20px;min-height:44px;padding-top:16px;color:#fff;font-size:12px;font-weight:700;text-decoration:none}.ch-card__link:hover{color:var(--signal)}.ch-card:hover{border-color:#f5f58080}.ch-hub :is(a,summary):focus-visible{outline:3px solid var(--signal);outline-offset:4px}
.ch-pagination{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-top:28px;padding-top:20px;border-top:1px solid var(--ch-line);font-size:12px;color:var(--ch-muted)}.ch-pagination nav{display:flex;align-items:center;gap:20px;flex-wrap:wrap}.ch-pagination a{padding:12px 16px;border:1px solid var(--ch-line);color:#fff}.ch-empty{padding:32px;border:1px solid var(--ch-line)}.ch-empty a{color:var(--signal)}
.ch-closing{display:grid;grid-template-columns:1fr 1fr;gap:70px;padding:44px max(5vw,24px);background:#f4f4ee;color:#111}.ch-closing p:not(.ch-eyebrow){font-size:14px;line-height:1.8;margin:0 0 22px}.ch-closing a{display:inline-flex;align-items:center;gap:32px;padding:14px 20px;background:#111;color:#fff;font-size:13px;font-weight:700}
@media(min-width:1600px){.ch-library{padding-left:40px;padding-right:40px}}
@media(max-width:1000px){.ch-hero{grid-template-columns:1fr 160px;gap:30px}.ch-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.ch-closing{gap:30px}}
@media(max-width:620px){.ch-hero{display:block;padding:28px 22px}.ch-brand{max-width:150px;margin-top:24px}.ch-hero .ch-eyebrow{font-size:9px}.ch-library{padding:28px 20px 36px}.ch-heading{display:block}.ch-total{display:block;margin-top:12px}.ch-grid{grid-template-columns:1fr;gap:20px}.ch-card h3{font-size:22px}.ch-pagination{align-items:flex-start;flex-direction:column}.ch-closing{grid-template-columns:1fr;gap:24px;padding:30px 22px}}