/* Photo-led timeline, scoped to the DAS case study. */
.das-case .dt-nav{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 28px}
.das-case .dt-nav a{display:inline-flex;align-items:center;min-height:44px;padding:8px 14px;border:1px solid var(--rule);border-radius:24px;text-decoration:none;font-size:12px;transition:background .2s,color .2s}
.das-case .dt-nav a[aria-current="step"]{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.das-case .dt-layout{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:48px;align-items:start}
.das-case .dt-stories{border-left:1px solid var(--rule);margin-left:5px;padding-left:25px}
.das-case .dt-step{position:relative;min-height:260px;padding:10px 0 48px;scroll-margin-top:45px}
.das-case .dt-step:last-child{min-height:400px;padding-bottom:45px}
.das-case .dt-step:before{position:absolute;content:"";left:-30px;top:17px;width:9px;height:9px;border-radius:50%;background:var(--rule);box-shadow:0 0 0 5px var(--paper)}
.das-case .dt-step.is-active:before{background:var(--brand)}
.das-case .dt-step .dt-date{color:var(--brand);font-size:12px;margin-bottom:12px}
.das-case .dt-step h3{font:400 25px/1.15 Georgia,serif;letter-spacing:-.02em;margin:0 0 14px}
.das-case .dt-step .dt-copy{font-size:14px;color:var(--sub);margin:0}
.das-case .dt-award{display:inline-block;padding:6px 10px;background:var(--wash);border:1px solid var(--rule);border-radius:4px;font-size:12px;color:var(--ink);margin-top:16px}
.das-case .dt-metrics{display:grid;grid-template-columns:1fr 1fr;gap:15px 20px;border-top:1px solid var(--rule);margin-top:18px;padding-top:16px}
.das-case .dt-metrics strong{font:400 26px/1.2 Georgia,serif;letter-spacing:-.035em;display:block}
.das-case .dt-metrics span{font-size:11px;display:block;color:var(--sub);margin-top:5px}
.das-case .dt-gallery{position:sticky;top:28px;background:#fffefa;border:1px solid var(--rule);border-radius:10px;overflow:hidden;min-width:0;box-shadow:0 8px 24px #183d3508}
.das-case .dt-gallery-top{padding:13px 16px;display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid var(--rule);font-size:11px;color:var(--sub)}
.das-case .dt-gallery-top strong{font-weight:500;color:var(--ink)}
.das-case button.dt-image-button{padding:0;border:0;width:100%;display:block;position:relative;background:#eeede4;cursor:zoom-in;color:var(--ink)}
.das-case .dt-image-button img{width:100%;aspect-ratio:4/3;object-fit:contain;display:block;transition:opacity .18s}
.das-case .dt-image-button img[data-kind="photo"]{object-fit:cover}
.das-case .dt-enlarge{position:absolute;bottom:12px;right:12px;padding:6px 9px;border:1px solid var(--rule);border-radius:4px;background:#fffefaed;color:var(--ink);font-size:11px}
.das-case .dt-caption{padding:16px 18px 10px}
.das-case .dt-caption h3{font:400 21px/1.2 Georgia,serif;margin:0 0 7px}
.das-case .dt-caption p{font-size:12px;color:var(--sub);margin:0}
.das-case .dt-thumbs{display:flex;gap:8px;padding:5px 18px 14px;flex-wrap:wrap}
.das-case .dt-thumb{width:64px;min-height:44px;position:relative;padding:3px;background:#fffefa;border:1px solid var(--rule);border-radius:5px;cursor:pointer;color:var(--ink)}
.das-case .dt-thumb img{height:42px;width:100%;object-fit:cover;border-radius:2px}
.das-case .dt-thumb span{display:block;font-size:10px;padding-top:3px}
.das-case .dt-thumb[aria-pressed="true"]{border:2px solid var(--brand);padding:2px}
.das-case .dt-gallery-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 18px 16px;font-size:11px;color:var(--sub)}
.das-case .dt-source{color:var(--brand);text-decoration:underline;font-weight:500}
.das-case .dt-source[hidden],.das-case .dt-thumbs[hidden]{display:none}
.das-case .dt-mobile-photo{display:none}
.das-case .dt-help{font-size:12px;color:var(--sub);margin-bottom:18px}
.das-case .dt-step a.dt-inline-link{display:inline-block;margin-top:14px;font-size:12px;font-weight:500;color:var(--brand)}
.das-case .dt-photo-nav{display:flex;gap:6px}
.das-case .dt-photo-nav[hidden],.dt-lightbox .dt-dialog-nav[hidden]{display:none}
.das-case .dt-photo-nav button{width:40px;min-height:40px;border:1px solid var(--rule);background:#fffefa;border-radius:5px;font-size:17px;color:var(--ink);cursor:pointer}
.dt-lightbox{width:min(1200px,94vw);max-width:94vw;max-height:94dvh;padding:0;border:1px solid #d8dfd4;border-radius:10px;background:#f5f1e8;color:#183d35;box-shadow:0 30px 100px #0005}
.dt-lightbox::backdrop{background:#10261feb}
.dt-lightbox .dt-dialog-bar{display:flex;justify-content:space-between;align-items:center;gap:15px;padding:12px 18px;border-bottom:1px solid #d8dfd4;font:14px/1.4 Arial,sans-serif}
.dt-lightbox button{border:1px solid #b8c4b9;border-radius:5px;color:#183d35;background:#fffefa;min-width:44px;min-height:44px;font:14px Arial,sans-serif;cursor:pointer;padding:8px 12px}
.dt-lightbox .dt-dialog-image{display:block;width:100%;height:min(72dvh,900px);object-fit:contain;background:#eeede4}
.dt-lightbox .dt-dialog-footer{padding:10px 18px;display:flex;align-items:center;justify-content:space-between;gap:12px;font:12px/1.4 Arial,sans-serif}
.dt-lightbox .dt-dialog-nav{display:flex;gap:8px}
.dt-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:950px){.das-case .dt-layout{gap:26px}.das-case .dt-step h3{font-size:23px}.das-case .dt-metrics strong{font-size:23px}}
@media(max-width:760px){.das-case .dt-layout{display:block}.das-case .dt-gallery{display:none}.das-case .dt-step{min-height:0;padding-bottom:38px;scroll-margin-top:20px}.das-case .dt-step:last-child{min-height:0;padding-bottom:0}.das-case .dt-mobile-photo{display:block;margin-top:18px;border:1px solid var(--rule);border-radius:8px;overflow:hidden}.das-case .dt-mobile-photo img{max-height:350px;aspect-ratio:4/3}.das-case .dt-nav{gap:6px;margin-bottom:20px}.das-case .dt-nav a{font-size:11px;padding:8px 10px}.das-case .dt-stories{padding-left:22px}.das-case .dt-step:before{left:-27px}.das-case .dt-metrics{grid-template-columns:1fr 1fr 1fr;gap:12px}.das-case .dt-metrics strong{font-size:22px}.das-case .dt-metrics span{font-size:10px}.das-case .dt-step .dt-copy{font-size:14px}.dt-lightbox .dt-dialog-bar{font-size:12px;padding:10px}.dt-lightbox .dt-dialog-image{height:68dvh}.dt-lightbox .dt-dialog-footer{padding:10px}}
@media(max-width:360px){.das-case .dt-metrics{grid-template-columns:1fr 1fr}.das-case .dt-step h3{font-size:23px}}
@media(prefers-reduced-motion:reduce){.das-case .dt-nav a,.das-case .dt-image-button img{transition:none}}