:root{--paper:#f6edda;--navy:#101f23;--teal:#b5d4c2;--sand:#243734;--gold:#d5ad71;--muted:#b6bdb3}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--navy);color:var(--paper);font:16px/1.7 system-ui,sans-serif}a{color:inherit}button,input,select{font:inherit}button,.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 20px;border:1px solid transparent;border-radius:8px;color:#102523;background:var(--teal);font-weight:650;text-decoration:none;cursor:pointer}button.secondary{background:transparent;border-color:#d5ad7170;color:var(--paper)}button:disabled{opacity:.45;cursor:default}a,button,input,select{-webkit-tap-highlight-color:transparent}:focus-visible{outline:3px solid var(--gold);outline-offset:5px}header{display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;background:#101f23f5;border-bottom:1px solid #d5ad7128;z-index:30;padding:12px 18px;padding-top:max(12px,env(safe-area-inset-top));height:auto}.brand{font:700 24px Georgia,serif;letter-spacing:-1px;text-decoration:none;text-align:center}.brand small{display:block;font:8px system-ui,sans-serif;letter-spacing:2px;color:var(--gold)}#menuToggle,#language{background:transparent;color:var(--paper);border:1px solid #d5ad7140;min-width:48px;padding:10px}#menuToggle{flex-direction:column;gap:5px}#menuToggle span{display:block;width:20px;height:1px;background:var(--paper)}main{max-width:1160px;margin:auto;padding:36px 22px 60px;min-height:75vh;outline:none}h1,h2,h3{font-family:Georgia,serif;font-weight:500;line-height:1.12}h1{font-size:clamp(38px,10vw,76px);letter-spacing:-1.4px;margin:18px 0 24px}h2{font-size:32px}h3{font-size:25px}.eyebrow{display:block;text-transform:uppercase;font-size:10px;letter-spacing:2px;color:var(--gold);font-weight:650}.lead{color:#d5d9cd;max-width:670px;font-size:17px;line-height:1.85}.quiet{font-size:13px;color:var(--muted);line-height:1.8}.entrance-steps{display:flex;gap:10px;flex-wrap:wrap;font-size:12px;color:var(--gold);margin:28px 0}.entrance .button{width:100%}.door-scene{text-align:center;padding:34px 18px 20px;perspective:900px;overflow:hidden}.arch{position:relative;width:min(100%,270px);height:320px;margin:auto;border:1px solid var(--gold);border-radius:150px 150px 0 0;background:radial-gradient(ellipse at 50% 60%,#d5ad71aa,#204840 70%);box-shadow:0 0 80px #d5ad7115;overflow:hidden;perspective:900px}.door{position:absolute;top:0;width:50%;height:100%;background:repeating-linear-gradient(90deg,#24332e 0,#24332e 11px,#1c2c27 12px,#1c2c27 14px);border:1px solid #d5ad7170;transition:transform 1.8s ease}.left-door{left:0;transform-origin:left center}.right-door{right:0;transform-origin:right center}.door:after{content:'';position:absolute;top:56%;right:15px;width:4px;height:32px;background:var(--gold)}.right-door:after{left:15px}.door-mark{position:absolute;left:calc(50% - 22px);top:35%;border:1px solid var(--gold);border-radius:50%;width:44px;height:44px;display:grid;place-items:center;color:var(--gold);font:30px Georgia;pointer-events:none}.door-scene p{font:20px Georgia;letter-spacing:3px;color:var(--gold)}.door-scene small{font:8px system-ui;letter-spacing:2px}.doors-open .left-door{animation:openLeft 1.8s both}.doors-open .right-door{animation:openRight 1.8s both}.doors-open .door-mark{opacity:0}.ticket-stage>.door-scene{padding-top:15px}.ticket-stage>.door-scene .arch{height:180px;width:155px}.ticket-stage>.button{width:100%}@keyframes openLeft{from{transform:rotateY(0)}to{transform:rotateY(-78deg)}}@keyframes openRight{from{transform:rotateY(0)}to{transform:rotateY(78deg)}}
.guest-form{max-width:640px;display:grid;gap:22px;margin:30px 0}.guest-form label{display:block;font-size:14px}.guest-form input:not([type=checkbox]),.guest-form select{display:block;width:100%;min-height:52px;padding:12px;margin-top:8px;background:#1c302e;border:1px solid #d5ad7160;border-radius:8px;color:var(--paper);font-size:16px}.guest-form .consent{display:flex;gap:12px;align-items:flex-start}.consent input{width:22px;height:22px;flex-shrink:0;accent-color:var(--teal)}[hidden]{display:none!important}.ticket{max-width:500px;padding:30px 24px;background:var(--paper);color:var(--navy);border-radius:16px;border-top:5px solid var(--gold);margin:28px auto}.ticket .eyebrow{color:#6a4b26}.ticket h2{font-size:25px}.ticket-name{font-size:23px}.ticket-code{border-top:1px dashed #101f2360;border-bottom:1px dashed #101f2360;padding:18px 0;font:18px monospace;letter-spacing:2px}.ticket .secondary{color:var(--navy);border-color:#101f2350}.room-grid{display:grid;gap:24px;margin-top:34px}.room-door{border:1px solid #d5ad7138;border-radius:140px 140px 12px 12px;text-decoration:none;overflow:hidden;background:#1a2d2b}.room-door>div:last-child{padding:24px}.room-image{height:235px;position:relative;background:radial-gradient(ellipse,#386057,#142729);overflow:hidden}.room-image img{width:100%;height:100%;object-fit:cover;opacity:.8;transition:transform .5s}.room-door:hover img{transform:scale(1.05)}.room-number{position:absolute;bottom:15px;left:24px;color:var(--gold);font:46px Georgia}.room-door h2{font-size:36px;margin:12px 0}.room-door p{color:#c0cabc;font-size:14px}.room-door>div>span:last-child{font-size:13px;color:var(--gold)}.back{display:inline-block;margin-bottom:26px;font-size:14px;color:var(--teal)}.instrument-stop{display:grid;gap:24px;margin:36px 0 60px}.exhibit-photo{height:300px;border-radius:140px 140px 10px 10px;background:#213e36;overflow:hidden}.exhibit-photo img{width:100%;height:100%;object-fit:cover}.instrument-title{max-width:760px}.explore-section{padding-top:36px;margin-top:42px;border-top:1px solid #d5ad7130}.model-host{position:relative;height:340px;border:1px solid #d5ad7150;border-radius:12px;overflow:hidden;background:#16213d;isolation:isolate}.model-host canvas{display:block;width:100%;height:100%}.model-host>p{padding:20px}.model-actions{display:flex;gap:10px;margin:14px 0}.model-actions button{background:#2c4740;color:var(--paper)}.spread-label{display:block;font-size:14px}.spread-label input{display:block;width:100%;min-height:44px;accent-color:var(--gold)}.part-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0}.part-tabs button{font-size:12px;padding:9px 12px;background:transparent;color:var(--paper);border:1px solid #d5ad7155;min-height:44px}.part-tabs button[aria-pressed=true]{background:var(--teal);color:var(--navy)}.part-info{background:#203932;padding:24px;border-left:2px solid var(--gold);border-radius:0 10px 10px 0;min-height:180px}.part-info h3{margin:12px 0}.part-info p{margin-bottom:0}.model-hotspot{position:absolute;left:0;top:0;width:38px;height:38px;min-height:38px;padding:0;border:1px solid var(--gold);border-radius:50%;background:#101f23dd;color:var(--gold);box-shadow:0 0 0 4px #101f2366;z-index:2}.model-hotspot[aria-pressed=true]{background:var(--gold);color:var(--navy)}.gallery{touch-action:pan-y;border:1px solid #d5ad7135;border-radius:12px;overflow:hidden;background:#192e2a}.gallery img{display:block;width:100%;height:280px;object-fit:contain;background:#eee5d0}.gallery h3,.gallery p,.gallery .source-link{margin:20px 22px}.history-art{height:140px;display:grid;place-items:center;color:var(--gold);font-size:70px;background:radial-gradient(ellipse,#37554a,#192e2a)}.source-link{display:block;font-size:12px;overflow-wrap:anywhere}.gallery-controls{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:16px}.gallery-controls button{background:#2c4740;color:var(--paper)}video{width:100%;max-height:450px;border-radius:12px;background:#16213d}.next-room{border-top:1px solid #d5ad7140;padding-top:36px;margin-top:48px}.next-room .button{width:100%}footer{padding:28px 22px;text-align:center;font-size:12px;color:var(--muted);border-top:1px solid #d5ad7128}#drawer{position:fixed;top:76px;bottom:0;left:0;width:min(85vw,360px);background:#1a302b;padding:30px 24px;z-index:25;transform:translateX(-101%);transition:transform .25s;overflow:auto}#drawer nav{display:grid;gap:6px}#drawer nav a{min-height:48px;padding:12px;border-bottom:1px solid #d5ad7125;text-decoration:none}#drawer p:last-child{font-size:13px;color:var(--muted)}#scrim{display:none;position:fixed;inset:76px 0 0;background:#0008;z-index:24;width:100%;border-radius:0}.menu-open #drawer{transform:translateX(0)}.menu-open #scrim{display:block}body.menu-open{overflow:hidden}#player{position:fixed;bottom:max(18px,env(safe-area-inset-bottom));left:4%;width:92%;max-width:620px;background:#2d4940;z-index:35;padding:12px 16px;box-shadow:0 8px 30px #0008;border:1px solid #d5ad7140;border-radius:12px}#player:not([hidden]){display:flex;justify-content:space-between;align-items:center;gap:10px}#track{font-size:12px}#player button{font-size:12px;flex-shrink:0}#notice{position:fixed;bottom:110px;right:16px;max-width:calc(100vw - 32px);z-index:40;background:var(--paper);color:var(--navy);border-radius:8px}#notice:not(:empty){padding:18px}.skip{position:fixed;top:-100px;left:16px;z-index:50;background:var(--paper);color:var(--navy);padding:12px}.skip:focus{top:10px}body:has(#player:not([hidden])){padding-bottom:90px}
@media(min-width:700px){header{padding:14px 34px}main{padding:60px 36px 80px}.entrance{display:grid;grid-template-columns:1.2fr 1fr;align-items:center;gap:36px;min-height:65vh}.entrance .button{width:auto}.door-scene{padding:30px}.arch{height:420px;width:300px}.room-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}.room-image{height:300px}.instrument-stop{grid-template-columns:1fr 1fr;align-items:center;gap:48px}.model-host{height:480px}.gallery img{height:420px}.ticket-stage{text-align:center}.ticket{text-align:left}.ticket-stage>.button,.next-room .button{width:auto}#player{left:50%;transform:translateX(-50%)}#drawer{top:80px}#scrim{top:80px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}

/* Keep the selected organology explanation beside the model interaction. */
.model-hint{font-size:13px;color:var(--muted);margin-bottom:16px}
.organology-view{position:relative;margin-top:16px}
.organology-view .part-info{position:sticky;top:var(--header-height,80px);z-index:4;min-height:160px;padding:16px 20px;border-radius:12px 12px 0 0;background:#203932;box-shadow:0 6px 16px #0002}
.organology-view .part-info h3{font-size:24px;margin:8px 0}
.organology-view .part-info p{font-size:14px;line-height:1.6;margin:0}
.organology-view .model-host{border-top:0;border-radius:0 0 12px 12px}
@media(max-width:699px){.organology-view .part-info{min-height:170px}.organology-view .model-host{height:clamp(220px,42svh,320px)}}

/* A single-screen entrance, followed by a category-led exhibition route. */
.at-entrance main{padding:18px 22px 12px;min-height:calc(100svh - var(--header-height,76px));display:grid;align-items:center}
.entrance-compact{display:flex;flex-direction:column;align-items:center;gap:14px;min-height:0;width:100%;max-width:620px;margin:auto}
.entrance-compact .entrance-heading{width:100%;text-align:center}
.entrance-compact h1{font-size:clamp(29px,8.3vw,44px);letter-spacing:-1px;line-height:1.06;margin:12px auto 0}
.entrance-compact .eyebrow{font-size:9px;letter-spacing:1.6px}
.entrance-compact .door-scene{padding:0;width:100%}
.entrance-compact .arch{height:clamp(160px,37svh,330px);width:min(64vw,250px)}
.entrance-compact .entrance-ticket{width:100%;max-width:360px;min-height:48px}
.entrance-instruction{font-size:12px;color:var(--muted);text-align:center;max-width:330px;margin:0;line-height:1.6}
.map-progress{border:1px solid #d5ad7140;border-radius:12px;padding:18px 20px;margin:30px 0;background:#192e2a}
.map-progress>div{display:flex;align-items:center;justify-content:space-between;gap:14px;font-size:14px}
.map-progress strong{color:var(--gold);font-size:22px}
.map-progress progress{display:block;width:100%;height:10px;margin:12px 0;accent-color:var(--teal)}
.map-progress p{font-size:12px;color:var(--muted);margin:0}
.journey-map{position:relative;padding:20px 0 10px}
.map-start{display:flex;gap:14px;align-items:center;font-size:12px;color:var(--gold);margin-bottom:26px}
.map-start-dot{display:grid;place-items:center;width:46px;height:46px;border:1px solid var(--gold);border-radius:50%;font:24px Georgia;background:var(--navy);flex-shrink:0}
.category-map-list,.instrument-checkpoints{list-style:none;padding:0;margin:0}
.category-map-list{position:relative}
.category-map-list:before{content:'';position:absolute;left:23px;top:-28px;bottom:0;border-left:1px dashed #d5ad7180}
.category-map-stop{position:relative;margin-bottom:32px}
.category-map-node{display:flex;align-items:center;gap:14px;text-decoration:none;padding:16px 14px 16px 0;background:var(--navy);position:relative}
.category-node-number{display:grid;place-items:center;flex-shrink:0;width:48px;height:48px;border:1px solid var(--gold);border-radius:50%;background:#243e35;color:var(--gold);font:23px Georgia}
.category-map-node strong{font:29px Georgia;display:block;margin:5px 0}
.category-map-node small{display:block;font-size:12px;color:var(--muted)}
.map-arrow{margin-left:auto;color:var(--gold);padding:0 4px}
.category-map-description{margin:0 0 20px 63px;color:var(--muted);font-size:13px}
.instrument-checkpoints{margin-left:23px;padding:0 0 0 30px}
.instrument-checkpoints>li{position:relative;margin:10px 0}
.instrument-checkpoints>li:before{content:'';position:absolute;left:-30px;top:50%;width:30px;border-top:1px dashed #d5ad7180}
.checkpoint{display:flex;align-items:center;gap:12px;min-height:80px;padding:14px 12px;border:1px solid #d5ad7135;border-radius:12px;background:#192d29;text-decoration:none}
.checkpoint strong{display:block;font-size:13px;line-height:1.4}.checkpoint small{display:block;font-size:11px;color:var(--muted);margin-top:5px}
.checkpoint-dot{width:30px;height:30px;display:grid;place-items:center;flex-shrink:0;border:1px solid #d5ad7160;border-radius:50%;color:var(--gold)}
.checkpoint-visited{border-color:#b5d4c270;background:#223d32}.checkpoint-visited .checkpoint-dot,.category-visited .category-node-number{background:var(--teal);color:var(--navy);border-color:var(--teal)}
.checkpoint-visited small{color:var(--teal)}.map-finish{margin-left:63px;color:var(--muted);font-size:13px;border-top:1px solid #d5ad7130;padding-top:20px}
@media(min-width:700px){.at-entrance main{padding:22px 36px}.entrance-compact{max-width:470px;gap:18px}.entrance-compact h1{font-size:44px}.journey-map{max-width:780px;margin:0 auto}.category-map-node strong{font-size:34px}.checkpoint strong{font-size:16px}.checkpoint{padding:18px 22px}.map-progress{max-width:780px}.entrance-compact .arch{width:250px}}
@media(max-height:650px){.at-entrance main{padding-top:10px;padding-bottom:10px}.entrance-compact{gap:10px}.entrance-compact h1{font-size:29px;margin-top:8px}.entrance-compact .arch{height:clamp(135px,32svh,205px);width:min(56vw,205px)}.entrance-compact .eyebrow{font-size:8px}.entrance-instruction{font-size:11px}}
/* Distribute the entrance across the available viewport instead of leaving unused space. */
.at-entrance main{height:calc(100svh - var(--header-height,76px));min-height:0;padding:clamp(14px,2.8svh,26px) clamp(18px,5.6vw,32px);display:block}
.at-entrance footer{display:none}
.entrance-compact{height:100%;min-height:0;max-width:440px;display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:auto minmax(100px,1fr) auto auto;gap:clamp(12px,2.2svh,22px);align-items:stretch;margin:0 auto}
.entrance-compact h1{font-size:clamp(30px,8.6vw,44px);line-height:1.06;margin:10px auto 0;letter-spacing:-1px}
.entrance-compact .eyebrow{font-size:clamp(8px,2.2vw,10px);letter-spacing:1.5px}
.entrance-compact .door-scene{display:flex;align-items:center;justify-content:center;min-height:0;height:100%;padding:0;overflow:visible}
.entrance-compact .arch{height:100%;max-height:560px;width:min(80vw,320px);margin:0;border-radius:160px 160px 0 0;flex-shrink:0}
.entrance-compact .entrance-ticket{width:100%;max-width:none;min-height:52px;padding:12px 16px}
.entrance-instruction{max-width:none;font-size:12px;line-height:1.5;margin:0;text-align:center}
@media(max-height:600px){.at-entrance main{padding-top:12px;padding-bottom:12px}.entrance-compact{gap:10px}.entrance-compact h1{font-size:clamp(28px,8vw,34px);margin-top:8px}.entrance-compact .arch{width:min(74vw,270px)}.entrance-compact .entrance-ticket{min-height:48px}.entrance-instruction{font-size:11px}}
@media(min-width:900px){.at-entrance main{padding-top:24px;padding-bottom:24px}.entrance-compact{max-width:480px}.entrance-compact .arch{width:320px}}
@media(max-height:460px) and (orientation:landscape){.at-entrance main{height:auto;min-height:calc(100svh - var(--header-height,76px))}.entrance-compact{height:auto;grid-template-rows:auto 190px auto auto}}


/* Visual checkpoints and prominent visit counts. */
.category-node-copy{flex:1;min-width:0}.visit-badge{display:flex;align-items:center;gap:10px;width:fit-content;margin-top:12px;padding:10px 12px;background:#294637;border:1px solid #b5d4c260;border-radius:10px;color:var(--teal)}.category-map-node .visit-badge b{font:700 36px Georgia;line-height:1}.visit-badge>span{font-size:14px;line-height:1.3}.category-map-node .visit-badge small{font-size:10px;color:var(--teal);margin-top:2px}.visit-dots{display:flex;gap:4px;margin-left:4px}.visit-dots i{display:block;width:8px;height:8px;border:1px solid #b5d4c270;border-radius:50%}.visit-dots .is-visited{background:var(--teal)}
.map-tools{max-width:780px}.map-filters{display:flex;gap:8px;flex-wrap:wrap}.map-filters button{font-size:12px;padding:10px 12px;background:transparent;color:var(--muted);border:1px solid #d5ad7140;min-height:44px}.map-filters button[aria-pressed=true]{background:var(--teal);color:var(--navy);border-color:var(--teal)}.map-next{display:flex;flex-direction:column;padding:16px 20px;margin:16px 0;background:linear-gradient(110deg,#2c4839,#1b302b);border:1px solid #d5ad7160;border-radius:12px;text-decoration:none}.map-next span{font-size:11px;letter-spacing:1px;color:var(--gold)}.map-next strong{font:24px Georgia;margin-top:6px}.map-complete{padding:20px;border:1px solid var(--teal);border-radius:12px}
.map-path-toggle{display:flex;align-items:center;justify-content:space-between;width:calc(100% - 63px);margin:0 0 10px 63px;min-height:44px;padding:8px 0;color:var(--gold);background:transparent;border-bottom:1px solid #d5ad7130;border-radius:0;font-size:12px}.map-path-toggle span{font-size:21px}
.checkpoint{padding:0;overflow:hidden;gap:12px;min-height:112px;transition:transform .2s,border-color .2s,box-shadow .2s}.checkpoint:hover,.checkpoint:focus-visible{transform:translateY(-3px);border-color:var(--gold);box-shadow:0 8px 20px #0003}.checkpoint-photo{position:relative;width:94px;min-height:112px;align-self:stretch;flex-shrink:0;background:radial-gradient(ellipse,#3e5b49,#152925)}.checkpoint-photo img{display:block;width:100%;height:100%;position:absolute;inset:0;object-fit:cover;transition:transform .4s}.checkpoint:hover img{transform:scale(1.07)}.checkpoint-photo .checkpoint-dot{position:absolute;left:7px;bottom:7px;width:25px;height:25px;background:#101f23e8;font-size:13px}.checkpoint-visited .checkpoint-photo .checkpoint-dot{background:var(--teal)}.checkpoint-copy{min-width:0;padding:14px 0}.checkpoint-invite{display:block;margin-top:10px;font-size:10px;color:var(--gold)}.checkpoint>.map-arrow{padding-right:10px}.category-map-node>.map-arrow{align-self:flex-start;margin-top:22px}
@media(max-width:360px){.instrument-checkpoints{padding-left:20px}.instrument-checkpoints>li:before{width:20px;left:-20px}.checkpoint-photo{width:74px}.checkpoint{gap:9px}.checkpoint strong{font-size:11px}.visit-dots{display:none}.category-map-node strong{font-size:27px}}
@media(min-width:700px){.checkpoint-photo{width:160px;min-height:140px}.checkpoint{min-height:140px}.checkpoint-copy{padding:22px 10px}.checkpoint-invite{font-size:12px}.category-map-node .visit-badge b{font-size:40px}}
.gallery p{white-space:pre-line}