@font-face{font-family:BorealSerif;src:url('assets/serif.otf') format('opentype');font-display:swap;font-weight:400}
.aurora-colour[data-flowing=true]{background:none!important;filter:none!important;opacity:1!important;transform:none!important;mask-image:none!important;-webkit-mask-image:none!important;transition:none}
.flowing-aurora{position:absolute;inset:0;display:block;width:100%;height:100%;pointer-events:none}
:root{color-scheme:dark;--bg:#081413;--panel:#101d1b;--text:#edf1e9;--muted:#9fb0a8;--line:rgba(203,227,207,.16);--accent:#c2edcb;--accent-rgb:194,237,203;--serif:BorealSerif,Georgia,'Times New Roman',serif;--sans:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:16px;-webkit-font-smoothing:antialiased}button,input,a{-webkit-tap-highlight-color:transparent}button,input{font:inherit}button{color:inherit;cursor:pointer}button:disabled{cursor:default;opacity:.45}a{color:var(--accent)}button:focus-visible,a:focus-visible,input:focus-visible,canvas:focus-visible{outline:2px solid var(--accent);outline-offset:5px}button{touch-action:manipulation}button svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.5}p{margin:0}button{background:none;border:0}button,a{transition:color .2s,background .2s,border-color .2s,opacity .2s}button:hover{color:#fff}button:disabled:hover{color:inherit}[hidden]{display:none!important}.skip-link{position:fixed;left:20px;top:-60px;padding:12px;background:var(--bg);z-index:20}.skip-link:focus{top:15px}.app{max-width:2200px;margin:auto;min-height:100svh}.masthead{height:108px;padding:0 3.7%;display:flex;align-items:center;justify-content:space-between;gap:25px;border-bottom:1px solid var(--line);position:relative;z-index:2}.brand{display:flex;align-items:center;gap:16px;text-decoration:none;color:var(--text)}.brand>span{font-family:var(--serif);font-size:42px;line-height:.92;letter-spacing:-1.5px}.brand-mark{width:44px;height:44px;stroke:var(--accent);stroke-width:1;flex-shrink:0}.brand-sub{display:block;font-family:var(--sans);font-size:12px;line-height:1.4;letter-spacing:3px;margin-top:8px}.experiments{display:flex;gap:10px;align-self:stretch;align-items:center}.experiment{display:flex;gap:10px;align-items:center;color:var(--muted);padding:13px 22px;border-radius:3px;font-size:15px;position:relative}.experiment.active{color:var(--text);background:rgba(202,235,207,.08)}.experiment.active:after{content:'';position:absolute;height:2px;left:22px;right:22px;bottom:0;background:var(--accent)}.tab-number{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}.sound-button{display:flex;gap:12px;align-items:center;font-size:13px;white-space:nowrap;color:var(--muted)}.sound-bars{display:flex;height:19px;align-items:center;gap:3px;width:21px}.sound-bars i{height:4px;background:currentColor;width:2px;border-radius:2px}.sound-bars i:nth-child(2){height:12px}.sound-bars i:nth-child(3){height:18px}.sound-bars i:nth-child(4){height:9px}.sound-button[aria-pressed=true]{color:var(--accent)}.sound-button[aria-pressed=true] i{animation:sound 1s ease-in-out infinite alternate}.sound-button[aria-pressed=true] i:nth-child(2){animation-delay:-.5s}.sound-button[aria-pressed=true] i:nth-child(3){animation-delay:-.8s}@keyframes sound{to{transform:scaleY(.35)}}
.workspace{display:grid;grid-template-columns:minmax(0,1fr) 360px;min-height:min(780px,calc(100svh - 166px));border-bottom:1px solid var(--line)}.scene{position:relative;min-height:700px;overflow:hidden;isolation:isolate;background:#071418}.landscape,.aurora-colour,.scene-shade{position:absolute;inset:0;pointer-events:none;transition:opacity 1s,filter 1.4s}.landscape,.aurora-colour{background-image:url('assets/boreal.webp');background-position:60% center;background-size:cover}.landscape{filter:saturate(.35) brightness(.55)}.aurora-colour{opacity:.94;filter:hue-rotate(0deg) brightness(1);mask-image:linear-gradient(#000 66%,rgba(0,0,0,.35) 95%);-webkit-mask-image:linear-gradient(#000 66%,rgba(0,0,0,.35) 95%)}.scene-shade{z-index:1;background:linear-gradient(90deg,rgba(3,15,18,.52),transparent 70%),linear-gradient(0deg,rgba(3,15,18,.97),transparent 30%,transparent 78%,rgba(3,15,18,.18))}.scene-heading{position:absolute;z-index:3;top:49px;left:5.5%;right:35px;pointer-events:none}.eyebrow{font-size:12px;line-height:1.5;letter-spacing:2.3px;font-weight:500;color:var(--muted)}.scene-heading .eyebrow{color:#ccdbcf}.scene-heading h1{font-family:var(--serif);font-weight:400;font-size:clamp(52px,5.35vw,86px);line-height:1.03;letter-spacing:-2px;margin:23px 0 22px;text-wrap:balance;max-width:650px;text-shadow:0 2px 25px rgba(0,0,0,.18)}.scene-intro{font-size:16px;line-height:1.65;color:#d2dfd7;max-width:340px}.scene #world{position:absolute;inset:0;width:100%;height:100%;z-index:2;touch-action:none}.scene-annotation{position:absolute;right:7%;top:49%;display:flex;gap:14px;align-items:center;z-index:3;pointer-events:none;color:#cee5d9;font-family:ui-monospace,SFMono-Regular,monospace;font-size:12px;letter-spacing:1px}.annotation-rule{width:48px;height:1px;background:currentColor;position:relative}.annotation-rule:before{content:'';width:5px;height:5px;border:1px solid currentColor;position:absolute;left:0;top:-2px;border-radius:50%}.stage-hint{position:absolute;bottom:82px;left:5.5%;display:flex;align-items:center;gap:13px;z-index:3;color:#d5e6dc;font-size:13px;pointer-events:none}.stage-hint svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1}.scene-footer{position:absolute;bottom:29px;left:5.5%;right:5.5%;display:flex;align-items:center;justify-content:space-between;gap:20px;z-index:3;color:var(--muted)}.scene-footer>span{font-size:12px;letter-spacing:1.4px;line-height:1.5}.quiet-button{font-size:12px;display:flex;align-items:center;gap:15px;padding:7px 0;color:var(--muted);white-space:nowrap}.console{padding:36px 32px 24px;border-left:1px solid var(--line);display:flex;flex-direction:column;background:var(--bg);min-width:0}.console-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:30px}.console-top .eyebrow{font-size:12px;letter-spacing:1.7px}.folio{font-size:12px;font-family:ui-monospace,SFMono-Regular,monospace;color:var(--muted)}.control-title{font-family:var(--serif);font-weight:400;font-size:31px;line-height:1.12;letter-spacing:-.5px;margin:0 0 13px}.control-description{color:var(--muted);font-size:16px;line-height:1.65;margin-bottom:28px}.control-group{margin:24px 0}.control-label{font-size:14px;display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:14px}.control-label output{font-size:13px;color:var(--accent);font-variant-numeric:tabular-nums}.option-row{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}.option{border:1px solid var(--line);border-radius:4px;min-height:55px;padding:10px 3px;font-size:12px;color:var(--muted);display:flex;align-items:center;justify-content:center;flex-direction:column;gap:6px}.option.active{border-color:rgba(var(--accent-rgb),.7);color:var(--text);background:rgba(var(--accent-rgb),.06)}.option:hover{border-color:rgba(var(--accent-rgb),.45)}.option .swatch{width:7px;height:7px;border-radius:50%;background:var(--swatch);box-shadow:0 0 10px var(--swatch)}.option .sub{font-size:12px;color:var(--muted)}input[type=range]{display:block;appearance:none;-webkit-appearance:none;width:100%;height:24px;background:transparent;cursor:pointer;margin:0;accent-color:var(--accent)}input[type=range]::-webkit-slider-runnable-track{height:3px;background:linear-gradient(90deg,var(--accent) var(--fill,50%),#34423b var(--fill,50%));border-radius:2px}input[type=range]::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;width:13px;height:13px;border-radius:50%;background:var(--accent);border:2px solid var(--bg);outline:1px solid var(--accent);margin-top:-5px;box-shadow:0 0 10px rgba(var(--accent-rgb),.15)}input[type=range]::-moz-range-track{height:3px;background:#34423b}input[type=range]::-moz-range-progress{background:var(--accent);height:3px}input[type=range]::-moz-range-thumb{width:11px;height:11px;border-radius:50%;background:var(--accent);border:2px solid var(--bg)}.range-ends{display:flex;justify-content:space-between;margin-top:5px;font-size:12px;color:var(--muted)}.primary-button{width:100%;display:flex;align-items:center;justify-content:center;gap:12px;background:var(--accent);color:#10291d;font-size:13px;font-weight:600;padding:16px 15px;border:1px solid var(--accent);border-radius:3px;min-height:49px;margin:23px 0 14px}.primary-button:hover{background:#ddf4db;color:#061a10}.primary-button svg{width:17px;height:17px}.secondary-actions{display:flex;gap:10px}.secondary-button{border:1px solid var(--line);border-radius:3px;padding:11px 8px;font-size:12px;color:var(--muted);flex:1}.secondary-button:hover{border-color:var(--accent)}.metrics{border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;padding:20px 0;margin:25px 0 19px}.metric+ .metric{padding-left:18px;border-left:1px solid var(--line)}.metric-value{font-family:var(--serif);font-size:31px;line-height:1;white-space:nowrap;font-variant-numeric:lining-nums tabular-nums}.metric-value small{font-family:var(--sans);font-size:12px;color:var(--muted);margin-left:3px}.metric-name{font-size:12px;letter-spacing:1.3px;color:var(--muted);margin-top:10px;line-height:1.5}.insight{border-left:2px solid var(--accent);padding:1px 0 1px 14px;color:#b9c9c0;font-size:13px;line-height:1.65;margin-top:20px}.model-label{font-size:12px;line-height:1.5;color:#81988b;margin-top:16px}.science-button{display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;font-size:12px;color:var(--muted);border-top:1px solid var(--line);padding:19px 0 0;margin-top:auto}.circle-plus{display:flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:50%;width:23px;height:23px;color:var(--text);font-size:17px}.page-footer{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:19px 3.7%;font-size:12px;color:var(--muted)}.page-footer p{line-height:1.8}.page-footer p span{color:#83998e;margin-left:8px}.page-footer .quiet-button{font-size:12px}.toast{position:fixed;z-index:50;bottom:30px;left:50%;transform:translate(-50%,20px);background:#d1ead2;color:#15301f;padding:12px 20px;border-radius:4px;font-size:13px;opacity:0;pointer-events:none;transition:.25s;max-width:calc(100% - 30px);box-shadow:0 8px 25px #0004;text-align:center}.toast.visible{opacity:1;transform:translate(-50%,0)}
[data-mode=gravity]{--accent:#e7c893;--accent-rgb:231,200,147}[data-mode=decay]{--accent:#a6c7f4;--accent-rgb:166,199,244}[data-mode=gravity] .scene,[data-mode=decay] .scene{background:radial-gradient(ellipse at 55% 55%,#14211f 0%,#071218 65%)}[data-mode=gravity] .aurora-colour,[data-mode=decay] .aurora-colour{display:none!important}[data-mode=gravity] .scene-shade,[data-mode=decay] .scene-shade{background:linear-gradient(0deg,#071318 0%,transparent 25%);z-index:1}[data-mode=gravity] .scene-heading,[data-mode=decay] .scene-heading{top:36px}[data-mode=gravity] .scene-heading h1,[data-mode=decay] .scene-heading h1{font-size:54px;line-height:1.03;margin:15px 0 12px}[data-mode=gravity] .scene-intro,[data-mode=decay] .scene-intro{font-size:14px;max-width:330px}[data-mode=gravity] .scene-annotation,[data-mode=decay] .scene-annotation{display:none}[data-mode=gravity] .stage-hint,[data-mode=decay] .stage-hint{bottom:73px;font-size:12px}[data-mode=decay] .stage-hint{display:none}.live-stat{display:flex;justify-content:space-between;margin:14px 0;color:var(--muted);font-size:12px}.live-stat span:last-child{color:var(--text);font-variant-numeric:tabular-nums}.spectrum{width:100%;height:43px;margin:12px 0 0;position:relative;background:linear-gradient(90deg,#712ca2,#3159d2,#4e96b5,#619e51,#b3a44a,#bd6f36,#ad3030);border-radius:2px;opacity:.8}.spectrum:after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,var(--bg) 0%,transparent 90%)}.spectrum-marker{position:absolute;width:2px;background:var(--text);top:-3px;bottom:-3px;left:45%;z-index:1;transition:left 1s}.spectrum-marker:before{content:'';width:6px;height:4px;position:absolute;top:-2px;left:-2px;background:var(--text)}.spectrum-ends{font-size:12px;letter-spacing:1px;display:flex;justify-content:space-between;color:var(--muted);margin-top:8px}.sparkline{width:100%;height:100px;display:block}.legend{display:flex;gap:16px;font-size:12px;color:var(--muted);margin-top:2px}.legend span:before{content:'';display:inline-block;width:12px;height:2px;margin-right:7px;vertical-align:middle;background:var(--accent)}.legend span:last-child:before{background:none;border-top:1px dashed #809183}.mission{padding:12px;background:rgba(var(--accent-rgb),.035);border:1px solid var(--line);border-radius:3px;margin-top:16px;font-size:12px;line-height:1.55;color:var(--muted)}.mission strong{font-weight:500;color:var(--accent);display:block;font-size:12px;letter-spacing:1px;margin-bottom:4px}.launch-status{margin-top:14px;min-height:34px;font-size:12px;color:var(--accent);line-height:1.5}.dialog-top{display:flex;align-items:center;justify-content:space-between;gap:15px}.icon-button{font-size:29px;width:36px;height:36px;display:grid;place-items:center;color:var(--muted)}dialog{width:min(650px,calc(100% - 32px));max-height:85svh;border:1px solid #4b6555;border-radius:8px;background:#101d1b;color:var(--text);padding:29px 34px 34px;box-shadow:0 30px 100px #0008}dialog::backdrop{background:rgba(2,10,14,.72);backdrop-filter:blur(8px)}dialog h2{font-family:var(--serif);font-size:42px;font-weight:400;line-height:1.12;margin:20px 0}dialog h3{font-size:16px;margin:25px 0 9px;color:var(--accent);font-weight:500}dialog p{font-size:15px;line-height:1.8;color:#c0cec4;margin:12px 0}dialog p.small{font-size:12px;color:var(--muted)}dialog .equation{background:#071411;padding:18px 20px;text-align:center;font-size:20px;letter-spacing:.5px;color:var(--text);border:1px solid var(--line);margin:19px 0;font-family:var(--serif)}dialog .sources{border-top:1px solid var(--line);margin-top:22px;padding-top:15px;font-size:12px;line-height:1.9}dialog .sources a{margin-right:16px;display:inline-block}dialog .signature{font-family:var(--serif);font-size:25px;margin-top:25px;color:var(--accent)}.noscript{position:fixed;z-index:10;bottom:0;left:0;right:0;background:#a23232;padding:20px;text-align:center}.control-content-end{height:22px}
@media(min-width:1650px){.workspace{grid-template-columns:minmax(0,1fr) 410px}.console{padding:44px 42px 28px}.scene{min-height:780px}.scene-heading h1{font-size:100px}.control-description{font-size:16px}.control-title{font-size:36px}.control-label{font-size:15px}.option,.primary-button{font-size:14px}.insight{font-size:14px}.eyebrow{font-size:12px}.console-top .eyebrow{font-size:12px}.metrics{margin-top:34px}.metric-value{font-size:36px}.science-button{font-size:14px}.brand-sub,.scene-footer>span{font-size:12px}}
@media(max-width:1100px){.masthead{padding:0 27px;height:95px;gap:15px}.workspace{grid-template-columns:minmax(0,1fr) 310px}.console{padding:30px 24px 23px}.scene{min-height:710px}.brand>span{font-size:37px}.brand-mark{width:37px}.brand-sub{font-size:12px}.experiment{padding:12px 13px;font-size:14px}.experiment.active:after{left:13px;right:13px}.experiments{gap:4px}.scene-heading{left:7%;top:45px}.scene-heading h1{font-size:62px;letter-spacing:-1.8px}.scene-intro{font-size:15px;max-width:240px}.scene-annotation{top:56%;font-size:12px;right:7%}.scene-footer{left:7%;right:7%;align-items:flex-end}.scene-footer>span{max-width:200px;font-size:12px}.stage-hint{left:7%;font-size:12px}.control-description{font-size:16px;margin-bottom:24px}.control-title{font-size:30px}.console-top{margin-bottom:25px}.control-group{margin:20px 0}.control-label{font-size:13px}.metrics{margin:20px 0 18px}.metric-value{font-size:28px}.science-button{margin-top:auto}[data-mode=gravity] .scene-heading h1,[data-mode=decay] .scene-heading h1{font-size:45px}.scene-heading .eyebrow{font-size:12px}.scene-intro{max-width:255px}.page-footer{padding-left:27px;padding-right:27px}}
@media(max-width:760px){.masthead{height:143px;display:grid;grid-template-columns:1fr auto;grid-template-rows:79px 64px;padding:0 22px;column-gap:15px}.brand{gap:11px}.brand>span{font-size:36px}.brand-mark{width:35px;height:35px}.brand-sub{font-size:12px;letter-spacing:2.4px;margin-top:6px}.experiments{grid-row:2;grid-column:1/-1;width:100%;justify-content:space-between;border-top:1px solid var(--line);gap:9px}.experiment{padding:13px 15px;justify-content:center;flex:1;font-size:14px;gap:9px}.tab-number{font-size:12px}.sound-button{grid-column:2;grid-row:1;font-size:12px;padding-right:0}.workspace{grid-template-columns:1fr}.scene{min-height:550px;height:65svh;max-height:710px}.landscape,.aurora-colour{background-position:59% center}.scene-heading{top:31px;left:26px;right:20px}.scene-heading h1{font-size:60px;line-height:1.04;margin:18px 0 15px;letter-spacing:-1.5px}.scene-intro{font-size:14px;max-width:265px}.scene-heading .eyebrow{font-size:12px;letter-spacing:1.9px}.scene-annotation{top:58%;right:25px;font-size:12px;letter-spacing:.5px}.annotation-rule{width:32px}.stage-hint{left:26px;bottom:75px;font-size:12px;max-width:calc(100% - 52px);gap:11px}.scene-footer{left:26px;right:26px;bottom:22px;align-items:center}.scene-footer>span{font-size:12px;max-width:180px;line-height:1.65}.scene-footer .quiet-button{font-size:12px;gap:10px}.console{border-left:0;border-top:1px solid var(--line);padding:29px 26px 24px}.console-top{margin-bottom:21px}.console-top .eyebrow{font-size:12px}.folio{font-size:12px}.control-title{font-size:34px;margin-bottom:13px}.control-description{font-size:16px;line-height:1.6;margin-bottom:26px}.control-label{font-size:14px}.option{font-size:14px;min-height:60px}.option .sub{font-size:12px}.control-group{margin:24px 0}.primary-button{font-size:15px}.metric-value{font-size:35px}.metric-name{font-size:12px}.metrics{padding:24px 0}.insight{font-size:14px}.model-label{font-size:12px}.science-button{font-size:14px;margin-top:25px}.page-footer{padding:22px 26px;display:block;font-size:12px}.page-footer p span{display:block;margin-left:0;font-size:12px}.page-footer .quiet-button{margin-top:14px;font-size:12px}.range-ends{font-size:12px}.spectrum-ends{font-size:12px}[data-mode=gravity] .scene,[data-mode=decay] .scene{height:610px;min-height:610px}[data-mode=gravity] .scene-heading,[data-mode=decay] .scene-heading{top:28px}[data-mode=gravity] .scene-heading h1,[data-mode=decay] .scene-heading h1{font-size:43px;margin:14px 0 10px}[data-mode=gravity] .scene-intro,[data-mode=decay] .scene-intro{font-size:13px;max-width:270px}[data-mode=gravity] .stage-hint{font-size:12px;max-width:calc(100% - 52px);bottom:73px;line-height:1.6}.secondary-button{font-size:13px;padding:13px 10px}.live-stat{font-size:13px}.launch-status{font-size:13px}.mission{font-size:13px}.mission strong{font-size:12px}.legend{font-size:12px}dialog{padding:22px 24px 28px}dialog h2{font-size:36px}dialog p{font-size:15px}}
@media(max-width:360px){.masthead{padding:0 16px}.experiment{padding:12px 9px;gap:6px}.scene-heading h1{font-size:51px}.scene-heading,.stage-hint{left:21px}.console{padding-left:21px;padding-right:21px}.sound-button{font-size:12px}.brand-mark{width:30px}.scene-footer{left:21px;right:21px}.scene-footer>span{max-width:145px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* Comfortable controls and the in-scene starting point on small screens. */
.option{font-size:14px}.primary-button{font-size:14px}.secondary-button{font-size:14px}.science-button{font-size:14px}.insight{font-size:14px}.control-label output{font-size:14px}.scene-footer>span{font-size:12px;letter-spacing:.8px;max-width:300px}.console-top{gap:14px}.console-top .eyebrow{letter-spacing:1.2px}.folio{white-space:nowrap}.brand-sub{font-size:12px;letter-spacing:2px}.stage-start{position:absolute;z-index:4;left:50%;top:50%;transform:translate(-50%,-50%);white-space:nowrap;background:#d0e2fa;color:#142639;padding:15px 21px;display:flex;align-items:center;gap:18px;border:1px solid #eef6ff;border-radius:4px;font-size:14px;font-weight:500;box-shadow:0 8px 55px #051019e0}.stage-start:hover{background:#e6efff;color:#142639}.stage-start:focus-visible{outline-color:#e0edff;outline-offset:5px}.scene-footer .quiet-button{font-size:12px}.console-top .eyebrow{font-size:12px}.tab-number{font-size:12px}.live-stat{font-size:14px}.model-label{font-size:12px}.control-content-end{height:22px}.metric-name{font-size:12px;letter-spacing:.8px}.metric-value small{font-size:12px}.control-label{line-height:1.5}.spectrum-ends{font-size:12px;letter-spacing:0}
@media(max-width:1100px) and (min-width:761px){.console{padding-left:23px;padding-right:23px}.console-top .eyebrow{max-width:140px}.metrics{gap:5px}.metric+ .metric{padding-left:12px}.scene-footer>span{max-width:190px;font-size:12px;letter-spacing:.5px}.scene-heading h1{font-size:58px}.brand-sub{font-size:12px;letter-spacing:1px}.brand>span{font-size:36px}}
@media(max-width:760px){.landscape,.aurora-colour{background-position:right center}.scene-footer>span{max-width:190px;font-size:12px;letter-spacing:.3px;line-height:1.5}.brand-sub{font-size:12px;letter-spacing:1.5px}.experiment{font-size:14px}.scene-heading .eyebrow{font-size:12px;letter-spacing:1.2px}.scene-annotation{font-size:12px}.scene-footer .quiet-button{gap:8px}.scene-intro{font-size:16px}.control-description{font-size:16px}.console-top{margin-bottom:22px}.stage-start{top:57%;font-size:14px}.page-footer p span{font-size:12px}[data-mode=gravity] .scene-intro,[data-mode=decay] .scene-intro{font-size:14px;line-height:1.6;max-width:290px}[data-mode=gravity] .stage-hint{font-size:12px}[data-mode=gravity] .scene-heading h1,[data-mode=decay] .scene-heading h1{font-size:42px}}
@media(max-width:360px){.scene-footer>span{max-width:145px;font-size:12px}.brand-sub{letter-spacing:.7px}.experiment{padding-left:5px;padding-right:5px}.scene-heading h1{font-size:50px}}

/* Distinct experiment settings; the auroral overlay is hidden outside Aurora. */
[data-mode=gravity] .landscape{opacity:1;filter:brightness(.82) saturate(.9);background-position:center}
[data-mode=decay] .landscape{opacity:1;filter:brightness(.55) saturate(.7);background-position:center}
[data-mode=gravity] .scene-shade{background:linear-gradient(90deg,#030d1455,transparent 70%),linear-gradient(0deg,#071318f5,transparent 25%,transparent 74%,#030d1422)}
[data-mode=decay] .scene-shade{background:linear-gradient(0deg,#071318f5,transparent 34%),linear-gradient(90deg,#030d1477,transparent 80%)}
[data-mode=decay] .scene{min-height:970px}
[data-mode=decay] .console{padding-top:30px}
[data-mode=decay] .console-top{margin-bottom:24px}
[data-mode=decay] .control-description{margin-bottom:20px}
[data-mode=decay] .metrics{margin:21px 0 15px;padding:20px 0}
[data-mode=decay] .control-title{font-size:31px}
.chain-choice{margin:20px 0}.daughter-options{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.daughter-options .option{min-height:40px;padding:8px;font-size:14px}
.half-life-controls{margin-top:22px}.isotope-half-life{margin:15px 0;--accent:var(--isotope)}.isotope-half-life .control-label{margin-bottom:3px;font-size:14px}.isotope-half-life output{color:var(--isotope);font-size:14px}.isotope-symbol{color:var(--isotope);font-size:13px;display:inline-block;min-width:14px;text-align:center}.isotope-half-life .control-label>span{white-space:nowrap}
.settings-note{font-size:12px;line-height:1.55;color:var(--muted);margin-top:9px}.chain-presets{display:flex;flex-wrap:wrap;gap:7px 12px;align-items:center;font-size:12px;color:var(--muted);margin-top:14px}.chain-presets button{padding:3px 0;border-bottom:1px solid var(--line);font-size:12px;color:var(--accent)}
.population-table{width:100%;border-collapse:collapse;font-size:14px;font-variant-numeric:tabular-nums}.population-table caption{text-align:left;margin-bottom:12px;color:var(--text);font-size:14px}.population-table th,.population-table td{padding:8px 1px;border-bottom:1px solid var(--line);text-align:right;font-weight:400}.population-table th:first-child{text-align:left}.population-table thead th{font-size:12px;color:var(--muted);padding-top:0}.population-table td:last-child{color:var(--muted)}.population-table tbody .isotope-symbol{margin-right:6px}.population-table tbody th{white-space:nowrap}
.chain-map{position:absolute;z-index:3;top:213px;left:5.5%;right:5.5%;display:flex;justify-content:center;align-items:center;gap:12px;color:var(--muted);pointer-events:none;white-space:nowrap}.chain-node{display:flex;gap:7px;align-items:center;color:var(--isotope);font-size:14px}.chain-arrow{color:#a8bac37a;font-size:16px}
.decay-readout{position:absolute;z-index:3;left:5.5%;right:5.5%;bottom:91px;padding:17px 19px 14px;border:1px solid #9ebadc28;background:#061219c7;border-radius:5px;backdrop-filter:blur(5px)}
.plot-toolbar{display:flex;justify-content:space-between;gap:14px;align-items:center;margin-bottom:11px}.plot-toolbar>p{font-size:14px;color:#c5d5e6;line-height:1.4}.plot-options{display:flex;gap:4px;padding:3px;border:1px solid #abcff830;border-radius:3px;flex-shrink:0}.plot-options button{padding:8px 11px;font-size:13px;border-radius:2px;color:#a6b7c8}.plot-options button.active{background:#abcff81b;color:#e5efff}.plot-options button:hover{background:#abcff812}
#decay-chart{display:block;width:100%;height:166px}.chain-legend{display:flex;gap:9px 17px;flex-wrap:wrap;font-size:12px;margin-top:10px;color:#b6c5d2;line-height:1.5}.chain-legend>span>span{color:var(--isotope);margin-right:5px}.plot-key{font-size:12px;color:#91a6b5;margin-top:10px;display:flex;gap:15px;flex-wrap:wrap;line-height:1.4}.plot-key>span:before{content:'';display:inline-block;width:14px;border-top:1px solid #b9cbd9;vertical-align:middle;margin-right:7px}.plot-key>span:last-child:before{border-top-style:dashed}
@media(max-width:1100px) and (min-width:761px){.decay-readout{padding:15px 12px}.plot-toolbar{display:block}.plot-options{display:inline-flex;margin-top:10px}.chain-map{gap:9px}.chain-node{font-size:13px;gap:5px}[data-mode=decay] .scene{min-height:1040px}}
@media(max-width:760px){[data-mode=decay] .scene{height:990px;min-height:990px;max-height:none}[data-mode=gravity] .landscape,[data-mode=decay] .landscape{background-position:center}.chain-map{left:24px;right:24px;top:205px;gap:10px}.chain-node{font-size:14px;gap:5px}.chain-arrow{font-size:14px}.decay-readout{left:21px;right:21px;bottom:90px;padding:16px 12px}.plot-toolbar{display:block;margin-bottom:13px}.plot-options{display:inline-flex;margin-top:10px}.plot-options button{font-size:14px;padding:7px 12px}.chain-legend{gap:7px 13px}.chain-legend>span{white-space:nowrap}.plot-key{gap:6px 12px}.half-life-controls{margin-top:25px}.isotope-half-life{margin:18px 0}.isotope-half-life .control-label{font-size:15px}.isotope-half-life output{font-size:15px}.population-table{font-size:15px}.population-table th,.population-table td{padding-top:10px;padding-bottom:10px}.daughter-options .option{min-height:45px}.settings-note{font-size:13px}.chain-presets,.chain-presets button{font-size:13px}[data-mode=decay] .control-title{font-size:34px}}
@media(max-width:370px){.chain-map{gap:7px}.chain-node{font-size:12px;gap:4px}.decay-readout{left:15px;right:15px}.chain-legend{gap:6px 10px}.plot-key{font-size:12px}.chain-presets{gap:7px 9px}}

/* Let the chart grow with its labels, below the atom field. */
[data-mode=decay] .decay-readout{position:relative;left:auto;right:auto;bottom:auto;margin:665px 5.5% 95px}
@media(max-width:760px){[data-mode=decay] .scene{height:auto;min-height:1050px;max-height:none}[data-mode=decay] .decay-readout{margin:640px 21px 100px}}
@media(max-width:370px){[data-mode=decay] .decay-readout{margin-left:15px;margin-right:15px}}