/* One complete scene per screen; navigation is discrete, never a scrolling article. */
body:has(.ex-deck){overflow:hidden;height:100svh}
body:has(.ex-deck) main{height:100svh;min-height:0;padding-top:var(--header);padding-bottom:0}
.ex-deck{height:calc(100svh - var(--header) - var(--ex-dock-space,112px))!important}
.ex-deck{position:relative;height:calc(100svh - var(--header) - 90px);min-height:0;touch-action:pinch-zoom;overflow:hidden}
.ex-deck .ex-slide{position:absolute;inset:0;max-height:none;min-height:0;width:100%;height:calc(100% - 56px);margin:0;visibility:hidden;opacity:0;pointer-events:none;transform:translate3d(50px,0,0) scale(.98);transition:opacity .55s ease,transform .65s cubic-bezier(.2,.8,.2,1),visibility .65s;overflow:hidden}
.ex-deck .ex-slide.ex-active{visibility:visible;opacity:1;pointer-events:auto;transform:none;z-index:2}
.ex-deck .ex-hero{height:calc(100% - 56px)}
.ex-deck .ex-hero-copy{top:21%}.ex-deck .ex-hero h1{font-size:clamp(40px,5.3vw,84px);margin-bottom:18px}.ex-deck .ex-hero-actions{margin-top:23px}.ex-deck .ex-hero-bottom{bottom:24px}.ex-deck .ex-top{top:22px}
.ex-deck-nav{position:absolute;bottom:0;left:0;right:0;height:56px;z-index:8;display:flex;gap:22px;align-items:center;justify-content:center;background:#192e4199;border-top:1px solid #b2d5e41a;backdrop-filter:blur(12px)}.ex-deck-nav>button{background:transparent;font-size:20px;padding:7px 15px}.ex-deck-nav>div{display:flex;gap:22px}.ex-deck-nav [data-deck-to]{display:flex;align-items:center;gap:9px;background:none;padding:8px 0;font-size:11px;color:#9ab6c5}.ex-deck-nav i{height:4px;width:18px;background:#829aab55;transition:width .35s,background .35s}.ex-deck-nav [aria-current=step]{color:#ecf7f7}.ex-deck-nav [aria-current=step] i{width:40px;background:var(--ex-accent);box-shadow:0 0 12px #b3def466}.ex-deck-nav output{font:10px 'Segoe UI',sans-serif;color:#bad0da}.ex-deck-nav small{position:absolute;right:3%;font-size:10px;color:#9bb6c6}
.ex-deck>.ex-gallery,.ex-deck>.ex-routes{padding:28px 6% 12px;display:flex;flex-direction:column}
.ex-deck .ex-section-head{flex:0 0 auto;gap:40px;margin-bottom:22px;align-items:center}.ex-deck .ex-section-head h2{font-size:clamp(23px,2.7vw,40px);line-height:1.25}.ex-deck .ex-section-head h2 br{display:none}.ex-deck .ex-section-head h2 em{margin-left:10px}.ex-deck .ex-section-head .ex-kicker{margin-bottom:10px}.ex-deck .ex-section-head>p{font-size:12px;max-width:400px;width:38%;line-height:1.85;margin:0}
.ex-deck .ex-scenes{flex:1;min-height:0;grid-template-columns:1.1fr 1fr 1fr;align-items:stretch;gap:22px}.ex-deck .ex-scene,.ex-deck .ex-scene:nth-child(n){height:100%;min-height:0;margin:0}.ex-deck .ex-scene-copy{bottom:22px;left:25px;right:25px}.ex-deck .ex-scene-copy h3{font-size:24px;margin:10px 0}.ex-deck .ex-art-note{flex-shrink:0;margin:10px 0 0;font-size:9px}.ex-deck .ex-scene-open{margin-top:15px;padding-top:12px}
.ex-deck>.ex-journey{grid-template-columns:1.1fr 1fr;padding:28px 6%}.ex-deck .ex-journey-content{padding:8px 0 0 45px;display:flex;flex-direction:column;justify-content:center}.ex-deck .ex-journey-content>.ex-kicker{margin-bottom:12px}.ex-deck .ex-journey h2{font-size:clamp(26px,2.8vw,44px);line-height:1.3;margin-bottom:26px}.ex-deck .ex-steps{gap:19px}.ex-deck .ex-steps h3{margin:0 0 4px}.ex-deck .ex-steps p{font-size:12px}.ex-deck .ex-journey-art{height:100%}
.ex-deck>.ex-interact{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:30px 7%;background:radial-gradient(ellipse at 60% 50%,#75b9df45,transparent 60%),linear-gradient(120deg,#163951,#353853)}.ex-deck .ex-interact::before{content:'';position:absolute;inset:0;background:url('assets/exhibition-v10/tech.png') center/cover;opacity:.25;mask-image:linear-gradient(90deg,transparent,black);pointer-events:none}.ex-deck .ex-interact>*{position:relative}.ex-deck .ex-interact h2{font-size:clamp(34px,4.5vw,68px)}.ex-deck .ex-next{padding:0}.ex-deck .ex-next strong{font-size:clamp(50px,7vw,110px)}
.ex-deck .ex-portals{flex:1;min-height:0;height:auto}.ex-deck .ex-portal h3{font-size:clamp(20px,2.2vw,34px)}.ex-deck .ex-routes>.ex-kicker{margin-bottom:10px}.ex-deck .ex-routes h2{font-size:clamp(24px,3vw,42px);margin-bottom:25px}.ex-deck .ex-routes>div{flex:1;min-height:0}.ex-deck .ex-routes button{height:100%}
@media(max-height:760px) and (min-width:701px){.ex-deck .ex-hero-copy{top:20%}.ex-deck .ex-hero h1{font-size:52px;margin-bottom:12px}.ex-deck .ex-hero .ex-kicker{margin-bottom:12px}.ex-deck .ex-intro{font-size:13px;margin-bottom:0}.ex-deck .ex-hero-actions{margin-top:12px}.ex-deck .ex-hero-bottom{font-size:12px;bottom:20px}.ex-deck .ex-hero-bottom small{font-size:9px;margin-top:5px}.ex-deck .ex-section-head h2{font-size:28px}.ex-deck .ex-section-head{margin-bottom:16px}.ex-deck>.ex-gallery{padding-top:18px}.ex-deck .ex-scene-copy h3{font-size:21px}.ex-deck .ex-scene-copy p{font-size:12px}.ex-deck .ex-journey h2{font-size:28px;margin-bottom:20px}.ex-deck .ex-steps{gap:14px}.ex-deck .ex-steps p{font-size:11px}.ex-deck .ex-steps h3{font-size:15px}}
@media(max-width:1000px){.ex-deck-nav small{display:none}.ex-deck-nav{gap:15px}.ex-deck-nav>div{gap:14px}}
@media(max-width:700px){.ex-deck{height:calc(100svh - var(--header) - 108px)}.ex-deck .ex-slide,.ex-deck .ex-hero{height:calc(100% - 46px)}.ex-deck-nav{height:46px;gap:6px}.ex-deck-nav>div{gap:12px}.ex-deck-nav [data-deck-to] span{display:none}.ex-deck-nav [data-deck-to] i{width:12px}.ex-deck-nav [aria-current=step] i{width:26px}.ex-deck-nav>button{padding:6px 10px}.ex-deck .ex-hero-copy{top:20%;right:12%}.ex-deck .ex-hero h1{font-size:clamp(34px,9vw,46px);margin-bottom:15px}.ex-deck .ex-hero-copy>.ex-kicker{font-size:8px;margin-bottom:15px}.ex-deck .ex-intro{font-size:12px;line-height:1.8;margin-bottom:5px}.ex-deck .ex-hero-actions{margin-top:18px;gap:14px}.ex-deck .ex-play{padding:9px 14px}.ex-deck .ex-hero-bottom{bottom:15px;font-size:10px}.ex-deck .ex-hero-bottom small{font-size:8px;margin-top:4px}.ex-deck .ex-scroll{font-size:8px}.ex-deck .ex-top{top:14px}.ex-deck .ex-side{top:33%}
.ex-deck>.ex-gallery{padding:20px 6% 8px}.ex-deck .ex-section-head{margin-bottom:16px;display:block}.ex-deck .ex-section-head .ex-kicker{font-size:8px;margin-bottom:6px}.ex-deck .ex-section-head h2{font-size:23px}.ex-deck .ex-section-head h2 em{display:none}.ex-deck .ex-section-head>p{display:none}.ex-deck .ex-scenes{grid-template-columns:1fr;grid-template-rows:repeat(3,1fr);gap:12px}.ex-deck .ex-scene{width:100%;text-align:left}.ex-deck .ex-scene-image img{object-position:50% 45%}.ex-deck .ex-scene::before{background:linear-gradient(90deg,#142b40d9,transparent)}.ex-deck .ex-scene-copy{left:20px;right:20px;bottom:18px}.ex-deck .ex-scene-copy h3{font-size:21px;margin:5px 0}.ex-deck .ex-scene-copy p,.ex-deck .ex-scene-copy small,.ex-deck .ex-scene-open{display:none}.ex-deck .ex-scene-no{top:14px;left:20px;font-size:8px}.ex-deck .ex-scene-copy::after{content:'↗';position:absolute;right:0;bottom:3px;font-size:22px}.ex-deck .ex-art-note{font-size:8px}
.ex-deck>.ex-journey{display:block;padding:25px 7%}.ex-deck .ex-journey-art{position:absolute;inset:0;opacity:.2}.ex-deck .ex-journey-art img{mask-image:none}.ex-deck .ex-journey-content{padding:0;position:relative;height:100%}.ex-deck .ex-journey h2{font-size:27px;margin-bottom:22px}.ex-deck .ex-steps{gap:18px}.ex-deck .ex-steps p{font-size:11px;line-height:1.7}.ex-deck .ex-steps h3{font-size:15px}.ex-deck .ex-interact h2{font-size:30px}.ex-deck .ex-interact p{font-size:12px}.ex-deck .ex-portals{grid-template-columns:1fr 1fr;grid-template-rows:repeat(3,1fr);gap:10px}.ex-deck .ex-portal,.ex-deck .ex-portal:last-child{height:auto}.ex-deck .ex-portal>span{top:12px;left:14px;font-size:9px}.ex-deck .ex-portal>div{left:14px;bottom:6px}.ex-deck .ex-portal small{display:none}.ex-deck .ex-portal h3{font-size:19px;margin:5px 0}.ex-deck .ex-portal>b{right:12px;bottom:12px;font-size:16px}.ex-deck>.ex-routes{padding:24px 6% 12px}.ex-deck .ex-routes h2{font-size:25px;margin-bottom:18px}.ex-deck .ex-routes>div{grid-template-rows:repeat(3,1fr);gap:12px}.ex-deck .ex-routes button>span{left:20px;bottom:15px;right:20px}.ex-deck .ex-routes small{font-size:8px}.ex-deck .ex-routes strong{font-size:20px;margin:6px 0 0}.ex-deck .ex-routes em{display:none}}
@media(max-width:700px){.ex-deck{height:calc(100svh - var(--header) - 132px)}}
@media(max-height:580px){.ex-deck .ex-intro,.ex-deck .ex-hero-bottom,.ex-deck .ex-section-head>p{display:none}.ex-deck .ex-hero-copy{top:18%}.ex-deck .ex-hero h1{font-size:36px}.ex-deck .ex-steps p{display:none}.ex-deck .ex-journey h2{font-size:24px;margin-bottom:16px}.ex-deck .ex-steps{gap:10px}.ex-deck .ex-journey-content>.ex-kicker{display:none}.ex-deck .ex-scene-copy p,.ex-deck .ex-scene-open{display:none}.ex-deck .ex-scene-copy h3{font-size:19px}.ex-deck>.ex-gallery{padding-top:10px}.ex-deck .ex-section-head .ex-kicker{display:none}.ex-deck .ex-section-head h2{font-size:24px}}
.ex-film{background:#142d42;display:grid;grid-template-columns:1fr 1.35fr;gap:40px;align-items:center;padding:4% 8%!important;isolation:isolate}.ex-film-bg{position:absolute;inset:0;z-index:-1;opacity:.16}.ex-film-bg img{width:100%;height:100%;object-fit:cover}.ex-film-copy h2{font-size:clamp(32px,4.3vw,68px);line-height:1.3;margin:15px 0}.ex-film-copy h2 em{font-style:normal;color:var(--ex-accent)}.ex-film-copy p:last-child{color:#c6dce4;font-size:14px}.ex-film video{width:100%;max-height:100%;border:1px solid #a7dbe155;box-shadow:0 20px 50px #07142188;background:#07131e}
@media(max-width:700px){.ex-film{display:flex;flex-direction:column;align-items:stretch;justify-content:center;gap:18px;padding:10% 7%!important}.ex-film-copy h2{font-size:31px;margin:5px 0}.ex-film-copy p:last-child{font-size:11px;margin:0}.ex-film video{max-height:48%;margin-top:4px}}
/* Home hero safety zone: keep the title, CTA, and chapter metadata on separate layers. */
.ex-deck .ex-hero-copy{z-index:8}
.ex-deck .ex-hero .ex-play{position:relative;z-index:10;min-width:200px;min-height:56px;padding-inline:22px;cursor:pointer}
.ex-deck .ex-home-hero .ex-hero-copy{top:13%;max-width:590px}
.ex-deck .ex-home-hero .ex-hero h1{font-size:clamp(42px,4.8vw,74px);margin-bottom:15px}
.ex-deck .ex-home-hero .ex-intro{line-height:1.8}
.ex-deck .ex-home-hero .ex-hero-actions{margin-top:20px}
.ex-deck .ex-home-hero .ex-hero-bottom{bottom:20px;z-index:5}
.ex-deck .ex-home-hero .ex-hero-bottom span:first-child{max-width:360px;line-height:1.5}
.ex-deck .ex-home-hero .ex-hero-bottom small{font-size:10px;line-height:1.5}
@media(max-width:700px){.ex-deck .ex-home-hero .ex-hero-copy{top:13%;right:16%}.ex-deck .ex-home-hero .ex-hero h1{font-size:42px}.ex-deck .ex-home-hero .ex-intro{font-size:12px}.ex-deck .ex-home-hero .ex-hero-bottom{bottom:12px}.ex-deck .ex-home-hero .ex-play{min-width:170px;min-height:48px}}