/* Portfolio media switch and city screening. Existing stills remain independent. */
[hidden]{display:none!important}
body[data-page="portfolio"]{--motion-black:#0b0e0f;--work-inset:clamp(24px,5.5vw,88px);--work-top:154px}
.work-switch-wrap{position:sticky;top:90px;z-index:18;background:var(--motion-black);padding:0 var(--work-inset);margin-top:64px;scroll-margin-top:90px}
.work-switch{display:flex;align-items:center;gap:42px;min-height:64px;border-bottom:1px solid #ffffff20}
.work-switch button{position:relative;display:flex;gap:12px;align-items:baseline;padding:20px 2px;color:#a4aca9;background:none;border:0;font:inherit;font-size:17px;cursor:pointer;transition:color .25s}
.work-switch button span{font-size:9px;letter-spacing:.15em;color:#8d9692}
.work-switch button::after{content:'';height:2px;background:#e2e6d4;position:absolute;bottom:-1px;left:0;right:0;transform:scaleX(0);transform-origin:left;transition:transform .3s}
.work-switch button:hover,.work-switch button[aria-selected=true]{color:#f2f3eb}
.work-switch button:hover::after{transform:scaleX(.3);opacity:.45}
.work-switch button[aria-selected=true]::after{transform:scaleX(1);opacity:1}
.work-switch-note{margin-left:auto;font-size:9px;letter-spacing:.19em;color:#818b88}
.work-switch button:focus-visible,.motion-panel-button:focus-visible,.city-rail button:focus-visible,.work-cross-link:focus-visible{outline:2px solid #d5dfc3;outline-offset:5px}
body[data-page="portfolio"] #collection .collection-heading{padding-top:64px}
body[data-page=portfolio].in-work .site-header{position:fixed;opacity:1!important;pointer-events:auto!important;transform:translateX(-50%)!important}
.work-switch-wrap::before{content:'';position:absolute;left:0;right:0;bottom:100%;height:90px;background:var(--motion-black);opacity:0;pointer-events:none;transition:opacity .25s}
.in-work .work-switch-wrap::before{opacity:1}
.work-switch-wrap.is-arriving .work-switch button{animation:work-tab-arrival .85s both}
.work-switch-wrap.is-arriving .work-switch button:nth-child(2){animation-delay:.14s}
.work-switch-wrap.is-arriving .work-switch button[aria-selected=true]::after{animation:work-rule-arrival 1s .12s both}
@keyframes work-tab-arrival{0%{opacity:0;translate:0 12px}55%{color:#fff}100%{opacity:1;translate:0 0}}
@keyframes work-rule-arrival{from{transform:scaleX(0)}to{transform:scaleX(1)}}
#motion-panel{background:var(--motion-black);position:relative}
/* The city photograph continues behind the sticky glass, rather than starting below it. */
body[data-work-mode=motion] #motion-panel{background:transparent}
body[data-work-mode=motion] .work-switch-wrap{isolation:auto}
body[data-work-mode=motion] .city-stage{overflow:visible}
body[data-work-mode=motion] .city-backdrop{top:calc(-1 * var(--work-top));height:calc(72% + var(--work-top))}
.city-stage{height:calc(100svh - var(--work-top));min-height:580px;position:relative;display:flex;flex-direction:column;gap:24px;padding:36px 0 25px;overflow:hidden;scroll-margin-top:var(--work-top)}
.city-intro{padding:0 calc(var(--work-inset) + 24px) 0 var(--work-inset);display:flex;align-items:flex-end;justify-content:space-between;gap:28px;flex:0 0 auto;position:relative}
.city-kicker{font-size:9px;letter-spacing:.2em;color:#9fa88c;margin-bottom:12px}
.city-title{font-size:clamp(34px,3.7vw,64px);font-weight:400;line-height:1.15;letter-spacing:.06em;margin:0}
.city-title span{font-family:Georgia,serif;font-style:italic;letter-spacing:-.035em;font-size:.65em;color:#9ca7a3;margin-left:22px}
.city-description{font-size:12px;color:#a2aba8;margin:15px 0 0;letter-spacing:.07em}
.city-ornament-slot{position:absolute;width:260px;height:140px;right:30%;top:-12px;pointer-events:none}
.motion-panel-button{background:none;border:0;border-bottom:1px solid #ffffff45;color:#d8dfd8;font:inherit;font-size:12px;padding:12px 0;cursor:pointer;display:inline-flex;gap:24px;align-items:center;text-decoration:none;white-space:nowrap}
.motion-panel-button:hover{color:#fff;border-color:#e2e6d4}
.motion-lanes{display:flex;flex:1;min-height:0;flex-direction:column;justify-content:flex-end;gap:clamp(14px,2vh,20px);overflow:hidden;mask-image:linear-gradient(90deg,transparent,#000 3%,#000 97%,transparent)}
.motion-lane{flex:0 0 clamp(150px,12.7vw,245px);min-height:0;overflow:hidden;touch-action:pan-y;cursor:grab;user-select:none}
.motion-lane.is-dragging{cursor:grabbing}
.motion-track{height:100%;display:flex;gap:16px;width:max-content;will-change:transform}
.motion-shot{height:100%;aspect-ratio:16/9;position:relative;border-radius:12px;overflow:hidden;background:#141919;flex-shrink:0;margin:0}
.motion-shot video{width:100%;height:100%;object-fit:contain;display:block;background:#0b0e0f;pointer-events:none}
.motion-shot figcaption{position:absolute;inset:auto 0 0;padding:24px 16px 12px;background:linear-gradient(transparent,#0009);font-size:10px;letter-spacing:.1em;color:#f0f0e9;opacity:0;transition:opacity .25s;pointer-events:none}
.motion-shot:hover figcaption{opacity:1}
.city-controls{padding:0 var(--work-inset);display:flex;align-items:center;justify-content:space-between;color:#8f9994;font-size:10px;letter-spacing:.08em}
.city-controls button{font:inherit;background:none;border:0;color:#bcc5be;padding:8px 0;cursor:pointer;border-bottom:1px solid #ffffff25}
.city-controls span:last-child{font-size:9px;letter-spacing:.16em}
.city-stage.is-entering .city-intro{animation:city-title-in .8s both}
.city-stage.is-entering .motion-lane:first-child{animation:city-row-in .95s .12s both}
.city-stage.is-entering .motion-lane:last-child{animation:city-row-in-reverse .95s .22s both}
@keyframes city-title-in{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
@keyframes city-row-in{from{opacity:0;translate:60px 0}to{opacity:1;translate:0 0}}
@keyframes city-row-in-reverse{from{opacity:0;translate:-60px 0}to{opacity:1;translate:0 0}}
.city-rail{position:fixed;right:15px;top:50%;transform:translateY(-50%);z-index:24;display:flex;align-items:center;gap:16px}
.city-rail-trigger{width:28px;padding:12px 4px;display:flex;flex-direction:column;align-items:flex-end;gap:5px;border:0;background:none;cursor:pointer}
.city-rail-trigger i{display:block;width:9px;height:1px;background:#a0aca666;transition:width .3s,background .3s}
.city-rail-trigger i:nth-child(4n){width:14px}
.city-rail-trigger i.is-current{width:23px;background:#e1e5d7}
.city-directory{position:absolute;right:36px;top:50%;transform:translateY(-50%);width:clamp(148px,13vw,210px);padding:0;background:transparent;border:0;border-radius:0;box-shadow:none;display:grid;grid-template-columns:1fr;gap:10px;opacity:0;visibility:hidden;transition:opacity .2s,visibility .2s,transform .28s cubic-bezier(.2,.8,.2,1)}
.city-rail:hover .city-directory,.city-rail:focus-within .city-directory,.city-rail.is-open .city-directory{opacity:1;visibility:visible}
.city-directory button{position:relative;aspect-ratio:16/10;overflow:hidden;border-radius:5px;border:1px solid #d9e0d34d;background:#10141466;cursor:pointer;color:white;padding:0;box-shadow:0 10px 35px #0004}
.city-directory img{width:100%;height:100%;object-fit:cover;opacity:.82;display:block;transition:opacity .25s,transform .4s}
.city-directory button:hover img{opacity:1;transform:scale(1.025)}
.city-directory span{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.city-library{padding:48px var(--work-inset) 70px;scroll-margin-top:var(--work-top)}
.city-library-header{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:36px}
.city-library h2{font-size:clamp(30px,4vw,52px);font-weight:400;margin-top:16px}
.city-library p{font-size:12px;color:#aab3ae;margin-top:12px}
.city-library-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px 18px}
.city-library-grid figure{margin:0;min-width:0}
.city-library-grid video{width:100%;aspect-ratio:16/9;background:#111;object-fit:contain;border-radius:9px;display:block;pointer-events:none}
.city-library-grid figcaption{font-size:12px;color:#b0bbb5;padding-top:12px}
.work-cross{padding:clamp(52px,8vh,86px) var(--work-inset);background:linear-gradient(180deg,var(--motion-black),#090c0d 52%,#0b0e0f);position:relative;z-index:2}
.work-cross-link{display:flex;position:relative;overflow:hidden;align-items:center;justify-content:space-between;width:100%;min-height:116px;border:0;border-radius:0;padding:24px 4px;cursor:pointer;color:#edf0e8;text-align:left;background:linear-gradient(90deg,#ffffff08,transparent 38%,transparent 72%,#ffffff05);transition:background .3s}
.work-cross-link::before,.work-cross-link::after{content:'';position:absolute;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,#ffffff28 12%,#ffffff28 88%,transparent)}
.work-cross-link::before{top:0}.work-cross-link::after{bottom:0}
.work-cross-link:hover{background:linear-gradient(90deg,#ffffff0d,transparent 42%,transparent 68%,#ffffff09)}
.work-cross-copy{display:grid;grid-template-columns:minmax(170px,.65fr) minmax(280px,1.3fr) auto;gap:clamp(24px,5vw,80px);align-items:center;width:calc(100% - 56px);position:relative}
.work-cross-copy small{font-size:9px;letter-spacing:.16em;color:#9eaaa1}
.work-cross-copy strong{font-size:clamp(20px,2.3vw,31px);font-weight:400;letter-spacing:.04em}
.work-cross-action{font-size:11px;color:#cbd4cd;justify-self:end;border-bottom:1px solid #ffffff38;padding:8px 0}
.work-cross-arrow{font-size:28px;font-weight:300;transition:transform .35s}
.work-cross-link:hover .work-cross-arrow{transform:translate(5px,-5px)}
body[data-work-mode=motion] .work-cross-link{background:transparent}
@media(max-width:800px){
 body[data-page=portfolio]{--work-top:128px;--work-inset:24px}
 .work-switch-wrap{top:68px;margin-top:40px}.work-switch{min-height:60px;gap:28px}.work-switch button{font-size:15px;padding:20px 0}.work-switch-note{display:none}
 .city-stage{min-height:540px;gap:22px;padding-top:28px}.city-title span{margin-left:12px}.city-intro{padding-right:42px;align-items:start}.city-description{max-width:210px;line-height:1.8;font-size:11px}.city-ornament-slot{display:none}
 .motion-panel-button{font-size:11px;gap:10px}.motion-lanes,.motion-track{gap:12px}.motion-shot{border-radius:9px}.city-rail{right:6px}.city-directory{width:300px;right:32px}.city-controls span:last-child{display:none}.city-library-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.work-cross-link{padding:24px;min-height:165px}
}
@media(max-width:520px){
 .city-intro{display:block}.city-title{font-size:34px}.city-description{max-width:none;margin-top:10px}.city-intro>.motion-panel-button{margin-top:8px;padding:8px 0}.city-stage{min-height:530px;gap:18px}.city-controls{font-size:9px}.city-controls>span:first-child{max-width:160px;line-height:1.8}.city-library-header{display:block}.city-library-header>.motion-panel-button{margin-top:18px}.city-library-grid{grid-template-columns:1fr}.work-cross{padding-top:28px;padding-bottom:40px}.work-cross-copy small{font-size:8px;letter-spacing:.05em}.work-cross-arrow{font-size:27px}.work-cross-link{padding:23px;min-height:160px}
}
@media(prefers-reduced-motion:reduce){.city-stage *{animation:none!important}.work-cross-arrow,.city-rail-trigger i{transition:none}}

/* A shared navigation slot: the two levels never occupy two stacked bars. */
body[data-page=portfolio]{--work-top:80px}
.work-switch-wrap{top:0;scroll-margin-top:0;background:var(--motion-black)}
.work-switch{height:80px;min-height:0;justify-content:center;border-bottom:0;transition:opacity .12s,transform .24s cubic-bezier(.2,.8,.2,1)}
.work-switch-note{display:none}
.work-switch-wrap::before{display:none}
body[data-page=portfolio] .site-header{transition:opacity .16s,transform .3s cubic-bezier(.2,.8,.2,1)!important}
body[data-page=portfolio].in-work .site-header{top:14px;opacity:0!important;pointer-events:none!important;transform:translate(-50%,-25px) scale(.96)!important}
body[data-page=portfolio].in-work.work-nav-open .site-header{opacity:1!important;pointer-events:auto!important;transform:translate(-50%,0) scale(1)!important;transition-delay:.1s!important}
body[data-page=portfolio].in-work .global-nav{border-radius:26px}
.in-work.work-nav-open .work-switch{opacity:0;transform:translateY(-10px);pointer-events:none}
.work-nav-reveal{display:none;position:fixed;z-index:60;left:50%;top:0;transform:translateX(-50%);width:160px;height:18px;border:0;padding:0;background:transparent;cursor:pointer}
.in-work .work-nav-reveal{display:grid;place-items:start center;padding-top:5px}
.work-nav-reveal span{display:block;width:30px;height:2px;border-radius:2px;background:#bdc6b080;transition:width .22s,opacity .2s}
.work-nav-reveal:hover span{width:46px;background:#e1e5d7}
.work-nav-open .work-nav-reveal span{width:100px;opacity:0}
.work-switch-wrap::after{content:'';position:absolute;left:50%;top:60px;width:34px;height:1px;background:#dfe6cb;opacity:0;transform:translateX(-50%);pointer-events:none}
.work-nav-open .work-switch-wrap::after{animation:nav-bridge .3s ease both}
@keyframes nav-bridge{0%{opacity:0;transform:translateX(-50%) scaleX(3)}35%{opacity:.8;transform:translateX(-50%) scaleX(1)}100%{opacity:0;transform:translateX(-50%) scaleX(8)}}
.city-stage{box-sizing:border-box;height:calc(100dvh - var(--work-top));min-height:0;padding:clamp(22px,4vh,42px) 0 28px;gap:clamp(18px,3vh,30px);scroll-margin-top:0}
.motion-lanes{flex:1 1 0;min-height:0}
.city-library-grid figure{position:relative;overflow:hidden;border-radius:9px}
.quick-entry .city-stage.is-entering .city-intro,.quick-entry .city-stage.is-entering .motion-lane{animation-duration:.22s;animation-delay:0s}
.scene-switching{scroll-behavior:auto!important}
@media(pointer:coarse){
 html.motion-scenes{scroll-snap-type:y proximity;scroll-padding-top:80px}
 .motion-scenes .city-stage,.motion-scenes .work-cross{scroll-snap-align:start;scroll-snap-stop:always}
 .city-stage{min-height:570px;height:calc(100svh - var(--work-top))}
 .motion-lanes{min-height:280px}.motion-lane{flex-basis:clamp(142px,21vh,190px)}
}
@media(max-width:800px){body[data-page=portfolio]{--work-top:72px}.work-switch-wrap{top:0}.work-switch{height:72px}.city-stage{padding-bottom:18px}.city-description{max-width:none}.city-title{font-size:34px}.motion-lanes{flex:0 0 50%;min-height:0;margin-top:auto}.motion-lane{flex:1 1 0}.city-directory{width:clamp(132px,42vw,178px);right:30px}.work-cross-copy{grid-template-columns:1fr auto}.work-cross-copy small{grid-column:1/-1}.work-cross-action{display:none}html.motion-scenes{scroll-padding-top:72px}}
@media(max-height:650px) and (pointer:fine){.city-stage{gap:14px;padding:16px 0}.city-kicker{margin-bottom:6px}.city-title{font-size:30px}.city-description{margin-top:8px}}
@media(prefers-reduced-motion:reduce){.work-switch,body[data-page=portfolio] .site-header{transition:none!important}.work-switch-wrap::after{animation:none!important}}

/* Shanghai introduction: photography dissolves into the screening's black surface. */
.city-backdrop{position:absolute;inset:0 0 auto auto;width:82%;height:72%;pointer-events:none;background-size:cover;background-position:60% 44%;opacity:.88;mask-image:linear-gradient(90deg,transparent 0%,#000 52%),linear-gradient(180deg,#000 15%,transparent 100%);mask-composite:intersect;-webkit-mask-image:linear-gradient(90deg,transparent 0%,#000 52%),linear-gradient(180deg,#000 15%,transparent 100%);-webkit-mask-composite:source-in}
#city-shanghai .city-backdrop{background-image:url('photography/motion/shanghai/bund-backdrop.jpg')}
.city-intro{z-index:1;align-items:flex-start}
.city-intro-copy{max-width:620px}
.city-intro .city-kicker{font-family:Georgia,serif;font-size:9px;letter-spacing:.28em;color:#b6b9b2;margin-bottom:15px}
.city-intro .city-title{font-family:'Songti SC','STSong','Noto Serif CJK SC',serif;font-size:clamp(54px,5.7vw,96px);font-weight:400;letter-spacing:.05em;line-height:1.12;color:#f4f2ed;display:flex;align-items:baseline;white-space:nowrap}
.city-intro .city-title span{display:inline-flex;align-items:center;font-family:Georgia,'Times New Roman',serif;font-size:.68em;font-style:italic;font-weight:400;letter-spacing:-.035em;color:#e6cba0;margin-left:24px}
.city-intro .city-title span::before{content:'';display:inline-block;height:.76em;width:1px;background:#c3baab;margin-right:25px;opacity:.7}
.city-intro .city-description{font-family:'Songti SC','STSong',serif;font-size:clamp(13px,1.2vw,18px);line-height:1.8;letter-spacing:.12em;color:#e5dac5;margin-top:17px;max-width:none}
.city-description::before{content:'';display:inline-block;width:24px;height:1px;background:#d9b77f;vertical-align:middle;margin-right:16px}
.city-story{font-family:'Songti SC','STSong',serif;font-size:clamp(11px,.95vw,14px);line-height:1.8;letter-spacing:.05em;color:#aeb0aa;margin-top:12px}
.city-intro .city-explore{border:1px solid #cbb58f;border-radius:32px;padding:11px 23px;gap:30px;margin-top:19px;color:#ede6d8;background:transparent;transition:background .25s,border-color .25s}
.city-explore-label{display:block;text-align:left;font-family:'Songti SC','STSong',serif;font-size:12px;letter-spacing:.08em}
.city-explore-label small{display:block;font-family:Georgia,serif;font-size:8px;letter-spacing:.18em;margin-top:5px;color:#adb0a8}
.city-intro .city-explore:hover{background:#e5cc9d0c;border-color:#f1d5a4}
.motion-lanes{position:relative;z-index:1}
@media(min-width:801px) and (max-height:760px){.city-intro .city-title{font-size:clamp(48px,5.3vw,75px)}.city-intro .city-kicker{margin-bottom:9px}.city-intro .city-description{margin-top:10px}.city-story{margin-top:7px;font-size:11px;line-height:1.65}.city-intro .city-explore{margin-top:12px;padding:8px 20px}.city-stage{gap:18px}}
@media(max-width:800px){.city-backdrop{width:100%;height:62%;background-position:65% 40%;opacity:.7}.city-intro .city-title{font-size:52px}.city-intro .city-title span{margin-left:16px}.city-intro .city-title span::before{margin-right:16px}.city-intro .city-description{font-size:12px;letter-spacing:.04em}.city-story{font-size:11px}.city-intro .city-explore{margin-top:13px;padding:9px 18px}}
@media(max-width:520px){.city-intro .city-title{font-size:44px}.city-intro .city-title span{font-size:.62em}.city-intro .city-description{font-size:11px}.city-description::before{width:15px;margin-right:9px}.city-story{font-size:10px;line-height:1.65}.city-intro .city-explore{margin-top:10px;padding:7px 16px}.city-explore-label{font-size:11px}}

/* Keep the introduction compact and leave both screening rows fully visible. */
@media(min-width:801px){
 .city-backdrop{background-position:calc(60% + 4vw) calc(44% - 9vh)}
 .city-intro-copy{display:grid;grid-template-columns:max-content auto;column-gap:28px;align-items:center}
 .city-intro-copy>.city-kicker,.city-intro-copy>.city-title,.city-intro-copy>.city-description{grid-column:1/-1}
 .city-intro-copy>.city-description{margin-bottom:12px}
 .city-intro-copy>.city-story{grid-column:1;grid-row:4;margin:0}
 .city-intro .city-explore{grid-column:2;grid-row:4;justify-self:start;align-self:center;margin:0;padding:8px 13px;border-radius:20px;gap:14px}
 .city-explore-label{font-size:11px}
 .city-explore-label small{display:none}
 .motion-lane{flex-shrink:1}
}