:root{color-scheme:dark;font-family:Arial,Helvetica,sans-serif;color:#dbe5eb;background:#03070e;font-synthesis:none}*{box-sizing:border-box}body{margin:0;overflow:hidden;height:100svh}button,a,input{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;border:1px solid #ffffff19;background:#0b121bad;cursor:pointer;min-width:44px;min-height:44px;border-radius:50%;transition:background .2s,border-color .2s}button:hover{background:#1c2a39;border-color:#7c9aaf}button:disabled{opacity:.3;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid #a8d6e9;outline-offset:5px}canvas{position:fixed;inset:0;width:100%;height:100%;touch-action:none}header{position:fixed;top:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;padding:28px 34px;pointer-events:none;z-index:3}.brand{display:flex;gap:13px;align-items:center;font-size:12px;line-height:1.4;letter-spacing:1px;color:#99a9b9}.brand strong{font-size:16px;font-weight:400;letter-spacing:1px;color:#e5ecf1}.brand-icon{font-size:30px;color:#a8c5d7}.header-actions{display:flex;gap:9px;pointer-events:auto}.location{position:fixed;top:124px;left:34px;color:#9ab0bf;font-size:23px;font-weight:300;letter-spacing:1px}.eyebrow{font-size:11px;letter-spacing:2.5px;color:#91a7b7;line-height:1.5}.location .eyebrow{display:block;margin-bottom:10px}.unit{font-size:10px;letter-spacing:1.4px}.center-mark{position:fixed;top:50%;width:24px;border-top:1px solid #abc7da30}.center-mark.left{left:34px}.center-mark.right{right:72px}#rail{position:fixed;right:18px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;align-items:center;z-index:4}#rail:before{content:'';position:absolute;top:16px;bottom:16px;border-left:1px solid #9db6c523;z-index:-1}.stop{width:38px;min-width:38px;height:30px;min-height:30px;border:0;background:transparent;position:relative;display:grid;place-items:center}.stop::after{content:'';width:4px;height:4px;border-radius:50%;background:#5e6f7d;transition:all .3s}.stop[aria-current=true]::after{width:7px;height:7px;background:#c9e3f0;box-shadow:0 0 0 5px #acd8ef12,0 0 18px #acd8ef55}.stop.belt::after{border-radius:0;width:7px;height:2px}.stop span{position:absolute;right:42px;white-space:nowrap;font-size:11px;letter-spacing:1px;opacity:0;pointer-events:none;transition:opacity .2s}.stop:hover span,.stop:focus-visible span{opacity:1}.card{position:fixed;left:50%;bottom:174px;transform:translateX(-50%);width:min(370px,calc(100% - 90px));padding:20px 22px 16px;background:linear-gradient(135deg,#0a1420db,#070c14ad);border:1px solid #a6c6dd1c;border-radius:3px;backdrop-filter:blur(16px);transition:opacity .35s;z-index:2}.card[hidden]{display:block;opacity:0;pointer-events:none}.card-heading{display:flex;justify-content:space-between;align-items:center}h1{font-family:Georgia,'Times New Roman',serif;font-weight:400;font-size:34px;margin:4px 0 17px;letter-spacing:-.5px}.object-number{font-family:Georgia,serif;color:#688397;font-size:30px;font-style:italic}.stats{display:flex;gap:20px;padding-top:13px;border-top:1px solid #9fb8cf22}.stats div{display:flex;flex-direction:column;gap:7px}.stats span{font-size:9px;letter-spacing:1.3px;color:#869daf}.stats strong{font-weight:400;font-size:13px;white-space:nowrap}.card p{font-size:13px;line-height:1.6;color:#a8bac8;margin:14px 0 0}.travel{position:fixed;left:50%;top:58%;transform:translateX(-50%);text-align:center;width:72%;pointer-events:none}.travel p{font-family:Georgia,serif;font-size:24px;color:#bccbd6}.travel small{font-size:12px;color:#7890a5}footer{position:fixed;bottom:0;left:0;right:0;padding:0 34px max(20px,env(safe-area-inset-bottom));z-index:3;pointer-events:none}.zoom{display:flex;align-items:center;justify-content:center;gap:4px;margin-bottom:17px;pointer-events:auto}.zoom button{background:#090f18bd;font-size:20px}.zoom label{display:flex;flex-direction:column;align-items:center;width:128px;gap:5px}.zoom label span{font-size:11px;letter-spacing:1px;color:#adc6d6}input{width:108px;height:20px;accent-color:#a6c9d9;cursor:pointer}#fit{font-size:11px;letter-spacing:.3px;border-radius:24px;padding:0 12px;margin-left:8px}.journey{display:flex;align-items:center;justify-content:space-between;max-width:520px;margin:auto;gap:14px}.journey button{display:flex;align-items:center;justify-content:space-between;gap:18px;border:0;border-radius:0;background:none;pointer-events:auto;font-size:13px;min-width:90px;padding:0}.journey button>span:first-child:last-child{font-size:20px}.scroll-hint{font-size:9px;letter-spacing:2px;color:#718597}dialog{max-width:510px;width:calc(100% - 30px);max-height:85svh;overflow:auto;border:1px solid #66839859;border-radius:8px;background:#0b1420;color:#b8cbd9;padding:30px;box-shadow:0 30px 100px #000}dialog::backdrop{background:#010409b8;backdrop-filter:blur(6px)}dialog h2{font:32px Georgia,serif;color:#eef4f7}dialog p{font-size:15px;line-height:1.65}dialog a{color:#a9d6ed}dialog .sources{font-size:12px}#close-info{float:right;font-size:24px}noscript{position:fixed;top:35%;left:10%;right:10%;padding:30px;background:#14202a}@media(min-width:800px){.card{left:34px;transform:none;bottom:140px;width:330px}footer .zoom{position:absolute;right:34px;bottom:83px}.location{top:145px}.journey{margin-bottom:14px}#rail{right:30px}.stop{height:34px}.center-mark.right{right:90px}}@media(max-width:600px){header{padding:18px 20px}.brand-icon{font-size:25px}.brand strong{font-size:14px}.brand{font-size:10px}.location{left:22px;top:100px;font-size:19px}.location .eyebrow{font-size:9px;letter-spacing:1.8px}.unit{font-size:9px}.center-mark.left{left:22px;width:14px}.center-mark.right{right:52px;width:14px}#rail{right:4px}.stop{height:28px}.card{bottom:165px;padding:15px 17px 13px;left:22px;transform:none;width:calc(100% - 78px);max-width:330px}h1{font-size:28px;margin-bottom:12px}.card .eyebrow{font-size:9px}.object-number{font-size:25px}.card p{font-size:12px;line-height:1.5;margin-top:11px}.stats{gap:14px;padding-top:11px}.stats span{font-size:8px;letter-spacing:.7px}.stats strong{font-size:12px}footer{padding-left:22px;padding-right:22px}.zoom{margin-bottom:6px}.scroll-hint{font-size:8px;letter-spacing:1px}.journey button{min-width:75px;font-size:12px}.zoom label{width:105px}.zoom input{width:93px}.zoom button{min-width:38px;min-height:38px}#home{margin-left:2px}.travel{top:25%}}@media(max-height:680px) and (max-width:600px){.card{bottom:150px;padding:12px 15px}.card p{font-size:11px;line-height:1.4}.location{top:80px}.card h1{font-size:25px;margin-bottom:8px}.stats{padding-top:8px}.zoom{margin-bottom:0}}@media(max-height:500px){.card{left:20px;bottom:115px;width:245px;max-height:160px;overflow:auto}.location{top:84px}#rail{right:5px;display:grid;grid-template-columns:repeat(2,30px)}.stop{height:27px}footer .zoom{position:absolute;right:20px;bottom:55px}.journey{margin-left:0;width:250px}}

@media(max-width:600px) and (min-height:501px){.card{bottom:auto;top:calc(50% + 56px);padding:11px 14px;max-height:calc(50% - 198px);overflow:auto;scrollbar-width:thin}.card-heading{align-items:baseline}.card h1{font-size:25px;margin:2px 0 8px}.card .eyebrow{font-size:8px;letter-spacing:1.3px}.object-number{font-size:20px}.stats{padding-top:8px;gap:15px}.stats div{gap:4px}.card p{margin:8px 0 0;font-size:12px;line-height:1.45}.stats span{font-size:8px}.stats strong{font-size:12px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}

/* The scene stays unobstructed; all object details live in a real modal. */
[hidden]{display:none!important}
.object-label{position:fixed;left:50%;bottom:174px;transform:translateX(-50%);display:flex;align-items:center;justify-content:center;gap:14px;max-width:calc(100% - 86px);padding:4px 0;z-index:2;text-shadow:0 2px 18px #000}
.object-label>span{font:28px Georgia,serif;letter-spacing:.3px}.object-label button{font:18px Georgia,serif;background:#07101abd;border-color:#abc9e035}
.dialog-close{float:right;font-size:24px;margin:0 0 12px 10px}
#object-dialog{padding:26px;max-height:calc(100dvh - 48px);overscroll-behavior:contain}
.detail-card{clear:both}.detail-card h1{font-size:36px;margin:6px 0 22px}.detail-card .eyebrow{font-size:12px;letter-spacing:1.4px}.detail-card .object-number{font-size:30px}.detail-card .stats{flex-wrap:wrap;gap:20px;padding-top:18px}.detail-card .stats span{font-size:11px;letter-spacing:1px}.detail-card .stats strong{font-size:16px;white-space:normal}.detail-card p{font-size:16px;line-height:1.65;margin:22px 0 0}
#specimen-detail{margin-top:20px}#specimen-image{display:block;max-width:100%;width:240px;height:200px;object-fit:contain;margin:auto;background:#000;border-radius:4px}#specimen-caption{font-size:14px}
@media(min-width:800px){.object-label{left:34px;transform:none;bottom:135px}}
@media(max-width:600px){.object-label{bottom:160px}.object-label>span{font-size:25px}#object-dialog{padding:22px}.detail-card h1{font-size:32px}.detail-card .stats{gap:18px}.detail-card .stats strong{font-size:15px}.detail-card .eyebrow{font-size:11px}}
@media(max-height:680px) and (max-width:600px){.object-label{bottom:150px}}
@media(max-height:500px){.object-label{left:22px;transform:none;bottom:113px}}

.scale-info{padding:15px 0;border-top:1px solid #a0c1d22a;border-bottom:1px solid #a0c1d22a;color:#9fb8cb;font-size:13px!important;line-height:1.9!important}.scale-info strong{color:#d3e3ee;font-size:14px;letter-spacing:.5px}
#skip-travel{display:block;margin:18px auto 0;border-radius:24px;padding:0 17px;font-size:12px;pointer-events:auto}
.object-label{bottom:140px}
@media(min-width:800px){footer .zoom{bottom:49px}.object-label{bottom:110px}}
@media(max-width:600px){.object-label{bottom:125px}}
@media(max-height:680px) and (max-width:600px){.object-label{bottom:115px}}
@media(max-height:500px){footer .zoom{bottom:20px}.object-label{bottom:78px}}

/* Keep the phone controls in one bottom-anchored stack, without the old readout gap. */
.object-label{pointer-events:auto}
@media(max-width:799px) and (min-height:501px){
 footer{display:flex;flex-direction:column;align-items:stretch;padding-bottom:max(4px,env(safe-area-inset-bottom))}
 footer .object-label{position:static;transform:none;align-self:center;margin:0 0 4px;padding:0;max-width:100%;min-height:44px}
 footer .zoom{position:static;margin:0}
 footer .journey{width:100%;margin:0 auto}
}

.perspective-prose p{font-size:16px;line-height:1.8;margin:0 0 22px}
.perspective-prose p:last-child{color:#dce9f2;margin-bottom:30px}
.scale-method{margin:22px 0 26px;color:#9eb2c3}
.scale-method summary{cursor:pointer;min-height:44px;display:list-item;align-content:center;font-size:13px;letter-spacing:.3px}
.scale-method summary:focus-visible{outline:2px solid #a8d6e9;outline-offset:5px}
.scale-method p{font-size:13px;line-height:1.7}