:root{--bg:#e7edfb;--panel:#f3f6ff;--ink:#172c55;--muted:#455574;--accent:#234acb;--line:#9aaaca;--field:#dae5fa;--chip:#ccd8f3;--reading-size:17px;--leading:1.85;color-scheme:light}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:20px}body{margin:0;background:var(--bg);color:var(--ink);font-family:Onest,Arial,sans-serif;font-weight:400;line-height:1.6}body[data-night=true]{color-scheme:dark}button,input,textarea{font:inherit}a{color:inherit}button{cursor:pointer;border:1px solid var(--line);background:transparent;color:var(--ink);border-radius:30px;padding:10px 17px;line-height:1.35;font-size:13px;min-height:42px}button:hover{background:var(--chip)}button[aria-pressed=true]{background:var(--ink);color:var(--panel);border-color:var(--ink)}button:disabled{opacity:.55;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--accent);outline-offset:4px}button span{margin-left:9px}button:active{transform:translateY(1px)}[hidden]{display:none!important}h1,h2,p{margin:0}h1,h2{font-weight:450;letter-spacing:-.055em;line-height:1.05}em{font-family:Fraunces,Georgia,serif;font-style:normal;font-weight:400}a{text-underline-offset:4px}main,.top,footer{max-width:1600px;margin:auto;padding-left:54px;padding-right:54px}.top{display:flex;align-items:center;gap:28px;height:104px;border-bottom:1px solid var(--line)}.brand{font-family:Fraunces,Georgia,serif;font-size:41px;letter-spacing:-3px;text-decoration:none;display:flex;align-items:center;gap:22px}.logo-mark{font-family:Onest,sans-serif;font-size:32px;letter-spacing:0;color:var(--accent)}.edition{font-size:9px;line-height:1.6;letter-spacing:.07em;border-left:1px solid var(--line);padding-left:26px}.studio{font-size:11px;text-decoration:none;margin-left:auto}.studio span{margin-left:30px}.intro{padding:48px 0 42px;position:relative}.eyebrow{font-size:9px;letter-spacing:.11em;line-height:1.5;font-weight:600}.intro h1{font-size:clamp(44px,5.3vw,82px);margin-top:16px;line-height:1.05;letter-spacing:-.065em}.intro h1 span{font-family:Fraunces,Georgia,serif;font-weight:400;color:var(--accent);letter-spacing:-.055em}.intro-note{position:absolute;right:0;bottom:46px;width:32%;font-size:12px;line-height:1.8}.small-orbit{display:block;width:35px;height:22px;border:1px solid var(--accent);border-radius:50%;transform:rotate(-25deg);margin-bottom:19px;position:relative}.small-orbit:after{content:'';position:absolute;width:5px;height:5px;top:7px;left:14px;background:var(--accent);border-radius:50%}.text-button{border:none;border-radius:0;padding:8px 0;text-decoration:underline;text-underline-offset:4px;min-height:40px;font-size:12px}.intro-note .text-button{margin-top:12px}.workspace{border:1px solid var(--line);border-radius:20px;overflow:hidden;background:var(--panel)}.modebar{display:flex;align-items:center;justify-content:space-between;padding:16px 22px;gap:15px;border-bottom:1px solid var(--line)}.modes{display:flex;gap:5px}.modes button{border-color:transparent;font-size:12px;padding:10px 15px}.modebar>span{font-size:10px;color:var(--muted);text-align:right}.stage{position:relative;isolation:isolate;min-height:565px;background:radial-gradient(ellipse at 70% 45%,var(--field),transparent 73%),var(--panel);overflow:hidden}.stage canvas{position:absolute;right:-2%;top:0;width:69%;height:100%;display:block;touch-action:pan-y pinch-zoom;z-index:-1}.scene-label{position:absolute;right:25px;top:25px;display:flex;align-items:center;gap:8px;font-size:9px;color:var(--muted)}.live-dot{width:5px;height:5px;border-radius:50%;background:var(--accent)}.reading{padding:47px 0 45px 34px;width:38%;position:relative;min-height:565px;display:flex;flex-direction:column}.chapter-counter{display:flex;align-items:center;gap:12px;font-size:9px;letter-spacing:.08em;color:var(--muted);margin-bottom:29px}.chapter-counter>span:first-child{font-size:13px;color:var(--accent)}.hairline{height:1px;background:var(--line);width:28px}.reading h2{font-size:clamp(39px,4vw,58px);margin-bottom:22px;min-height:122px}.reading>p{font-size:var(--reading-size);line-height:var(--leading);max-width:36ch}.reading .idea-example{font-size:11px;line-height:1.8;margin-top:18px;color:var(--muted);max-width:38ch;min-height:42px}.idea-actions{display:flex;align-items:center;justify-content:space-between;gap:9px;margin-top:auto;padding-top:28px}.idea-actions>button{font-size:11px;padding:11px 15px;border-color:var(--ink)}.idea-nav{display:flex;gap:4px}.idea-nav button{width:36px;min-height:36px;height:36px;padding:0}.world-caption{position:absolute;right:25px;bottom:24px;width:52%;display:flex;justify-content:space-between;font-size:8px;letter-spacing:.09em;color:var(--muted)}#frozen-badge{position:absolute;right:25px;top:57px;font-size:10px;border:1px solid var(--line);border-radius:20px;padding:5px 10px;background:var(--panel)}.toolbar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:14px 22px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.toolbar button{border-color:transparent;font-size:11px;padding:8px 12px}.toolbar .reset{margin-left:auto}.toolbar #freeze{border-color:var(--line)}.conditions{display:grid;grid-template-columns:1fr 1fr 1.3fr}.condition{padding:23px 25px;min-width:0;border:0;margin:0}.condition+.condition{border-left:1px solid var(--line)}.control-head{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12px;margin-bottom:15px}.control-head output{font-size:17px;letter-spacing:-.04em}.source-row{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:9px;color:var(--muted);margin-top:9px;min-height:34px}.source-row button{border:none;padding:5px 0;font-size:10px;text-decoration:underline;min-height:32px}.weather legend{float:left;width:100%;font-size:12px;margin-bottom:20px;padding:0;display:flex;justify-content:space-between;gap:10px}.weather legend span{font-size:7px;letter-spacing:.06em;align-self:center;color:var(--muted)}.weather-buttons{display:flex;clear:both;gap:7px}.weather-buttons button{border:1px solid transparent;border-radius:10px;flex:1;font-size:10px;min-width:0;padding:6px 4px}.weather-buttons span{display:block;font-size:23px;margin:0 0 4px}input[type=range]{width:100%;margin:0;height:24px;accent-color:var(--accent);cursor:pointer;touch-action:pan-y pinch-zoom}input[type=range]::-webkit-slider-thumb{width:17px;height:17px}.explanation{display:grid;grid-template-columns:1fr 1.1fr;gap:60px;padding:86px 8px 74px;border-bottom:1px solid var(--line)}.explanation h2{font-size:52px;margin-top:18px}.explanation h2 em{color:var(--accent)}.explanation-copy{padding-top:28px;font-size:16px;line-height:1.8}.explanation-copy ul{padding-left:18px;font-size:12px;line-height:1.9;margin:23px 0}.freeze-note{color:var(--muted);font-size:11px}.lower-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;padding:64px 8px 80px}.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:43px}.section-head button{font-size:10px;padding:8px 12px;min-height:35px}.section-head>span:last-child{font-size:11px}.lower-grid h2{font-size:36px;margin:30px 0}.source-list{padding:0;list-style:none;margin:0 0 20px;font-size:11px}.source-list li{display:flex;justify-content:space-between;gap:15px;padding:12px 0;border-bottom:1px solid var(--line)}.source-list strong{font-weight:500;text-align:right}.sensor-note{font-size:11px;color:var(--muted);margin:8px 0;line-height:1.7}.privacy{font-size:10px;line-height:1.8;color:var(--muted);margin:18px 0}.sources #motion-toggle{font-size:12px;margin:5px 0 23px}.tilt-controls{display:grid;grid-template-columns:1fr 1fr;gap:24px}.tilt-controls label{display:flex;justify-content:space-between;font-size:10px;margin-bottom:10px}.sources .text-button{margin-top:9px;font-size:10px}.sequence>p{font-size:13px;line-height:1.8;max-width:45ch}.sequence ol{padding:0;list-style:none;margin:28px 0;min-height:170px}.sequence li{display:flex;align-items:center;gap:10px;padding:14px 0;border-bottom:1px solid var(--line);font-size:12px}.sequence li .step-no{color:var(--accent);font-family:Fraunces,serif;font-size:21px;margin-right:6px}.sequence li .step-title{flex:1}.sequence li button{min-height:30px;padding:4px 8px;font-size:11px}.sequence li.empty{font-size:12px;line-height:1.8;color:var(--muted);min-height:170px;border:1px dashed var(--line);border-radius:12px;padding:25px}.sequence label{display:flex;align-items:center;justify-content:space-between;font-size:12px;margin-bottom:9px}.sequence label span{font-size:9px;color:var(--muted)}textarea{display:block;width:100%;resize:vertical;max-height:240px;min-height:98px;border:1px solid var(--line);border-radius:12px;padding:14px;background:var(--panel);color:var(--ink);font-size:13px}textarea::placeholder{color:var(--muted);opacity:1}.note-count{display:block;text-align:right;font-size:9px;margin-top:8px;color:var(--muted)}.sequence .privacy{font-size:10px}.manifest{padding:62px 10px 75px;border-top:1px solid var(--line);display:flex;gap:40px;align-items:center}.manifest>span{font-size:80px;color:var(--accent);line-height:1}.manifest p{font-size:36px;line-height:1.2;letter-spacing:-.04em}.manifest em{color:var(--accent)}.manifest a{font-size:12px;margin-left:auto}footer{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:20px;padding-bottom:20px;gap:20px;font-size:9px;color:var(--muted)}footer .text-button{font-size:10px}dialog{border:1px solid var(--line);border-radius:18px;background:var(--panel);color:var(--ink);width:min(650px,calc(100% - 28px));padding:30px;max-height:90svh;overflow:auto}dialog::backdrop{background:rgba(7,18,45,.65);backdrop-filter:blur(5px)}.dialog-top{display:flex;justify-content:space-between;align-items:center}.close{font-size:24px;width:43px;height:43px;padding:0}dialog h2{font-size:40px;margin:24px 0}dialog p{font-size:13px;line-height:1.8;margin:15px 0}dialog>button{margin-top:13px}#compare-dialog{width:min(1080px,calc(100% - 28px))}.comparison{display:grid;grid-template-columns:1fr 1fr;gap:18px}.comparison figure{margin:0;min-width:0}.comparison img{display:block;width:100%;height:auto;aspect-ratio:720/500;background:var(--field);border-radius:10px}.comparison figcaption{display:flex;flex-direction:column;gap:8px;font-size:11px;margin-top:14px}.comparison strong{font-size:15px}.comparison figcaption span{color:var(--muted)}.sr-only,.skip:not(:focus){position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.skip:focus{position:fixed;z-index:10;background:var(--panel);padding:15px;top:10px;left:10px}
@media(min-width:1600px){.stage{min-height:650px}.reading{min-height:650px;padding-top:65px}.reading>p{max-width:37ch}.reading h2{min-height:135px}.reading .idea-example{margin-top:25px}.reading .idea-actions{margin-top:20px}}@media(max-width:1050px){main,.top,footer{padding-left:28px;padding-right:28px}.stage{min-height:590px}.reading{width:43%;min-height:590px;padding-left:25px}.stage canvas{width:65%;right:-5%}.reading h2{font-size:46px;min-height:105px}.reading>p{font-size:15px}.idea-actions{flex-wrap:wrap}.conditions{grid-template-columns:1fr 1fr}.condition.weather{grid-column:1/-1;border-left:0;border-top:1px solid var(--line)}.weather-buttons{max-width:560px}.weather legend{max-width:560px}.lower-grid{gap:38px}.explanation{gap:40px}.intro-note{width:29%}.intro h1{font-size:62px}.manifest{gap:25px}.manifest p{font-size:30px}.world-caption{width:45%}.scene-label{font-size:8px}}@media(max-width:700px){main,.top,footer{padding-left:18px;padding-right:18px}.top{height:83px;gap:14px}.brand{font-size:33px;gap:12px}.logo-mark{font-size:25px}.edition{display:none}.studio{font-size:9px}.studio span{margin-left:8px}.intro{padding:32px 0 27px}.intro .eyebrow{font-size:7px;letter-spacing:.07em}.intro h1{font-size:46px;margin-top:15px;letter-spacing:-.07em}.intro-note{position:static;width:auto;margin-top:22px;display:flex;align-items:center;gap:12px;font-size:10px;line-height:1.7}.small-orbit{flex-shrink:0;margin:0}.intro-note .text-button{margin:0 0 0 auto;font-size:9px;max-width:65px;text-align:left}.workspace{border-radius:15px}.modebar{padding:11px 10px;flex-wrap:wrap;gap:5px;min-height:84px}.modes{justify-content:space-between;width:100%;gap:2px}.modes button{font-size:10px;min-height:36px;padding:8px 12px}.modebar>span{width:100%;text-align:center;font-size:9px}.stage{min-height:0;padding-top:300px}.stage canvas{top:0;left:0;right:0;width:100%;height:325px;z-index:-1}.scene-label{top:15px;right:14px;font-size:7px}.reading{width:100%;padding:18px 22px 26px;min-height:440px;background:linear-gradient(transparent,var(--panel) 25px)}.chapter-counter{margin-bottom:17px;font-size:8px}.reading h2{font-size:44px;min-height:93px;margin-bottom:17px}.reading>p{font-size:var(--reading-size);line-height:var(--leading);max-width:none}.reading .idea-example{font-size:10px;margin-top:15px;min-height:36px}.idea-actions{padding-top:23px;flex-wrap:nowrap}.idea-actions>button{font-size:10px;padding:10px 12px}.idea-nav button{width:32px;min-height:32px;height:32px}.world-caption{top:277px;bottom:auto;right:14px;width:calc(100% - 28px);font-size:6px}#frozen-badge{font-size:8px;right:12px;top:38px;padding:4px 8px}.toolbar{padding:10px 8px;gap:3px;justify-content:space-between}.toolbar button{font-size:9px;min-height:36px;padding:7px 9px}.toolbar .reset{margin:0}.toolbar #freeze{width:calc(50% - 4px)}.toolbar #baseline{width:calc(50% - 4px)}.conditions{display:block}.condition{padding:20px}.condition+.condition{border-left:0;border-top:1px solid var(--line)}.control-head{font-size:11px;margin-bottom:10px}.weather legend{margin-bottom:12px;font-size:11px}.weather legend span{font-size:6px}.weather-buttons button{font-size:9px}.source-row{font-size:9px}.explanation{display:block;padding:46px 4px 38px}.explanation h2{font-size:44px;margin-top:15px}.explanation-copy{padding-top:25px;font-size:14px}.explanation-copy ul{font-size:11px;margin:18px 0}.lower-grid{display:block;padding:33px 4px 45px}.lower-grid h2{font-size:32px;margin:25px 0}.sequence{margin-top:48px;padding-top:30px;border-top:1px solid var(--line)}.sequence ol{min-height:110px}.sequence li.empty{min-height:110px;padding:18px;font-size:11px}.manifest{padding:35px 4px 38px;flex-wrap:wrap;gap:16px}.manifest>span{font-size:48px}.manifest p{font-size:24px}.manifest a{margin:0 0 0 64px;font-size:11px}footer{flex-wrap:wrap;gap:5px;padding-top:17px;padding-bottom:17px;font-size:8px}footer p{width:100%;order:3;font-size:8px}footer .text-button{margin-left:auto;font-size:9px}dialog{padding:19px;border-radius:14px}dialog h2{font-size:33px}dialog p{font-size:12px}.comparison{grid-template-columns:1fr}.comparison figcaption{margin-top:9px}.comparison figcaption span{font-size:10px}.sequence li{gap:5px;font-size:11px}.sequence li button{padding:4px 6px}}@media(max-width:350px){main,.top,footer{padding-left:12px;padding-right:12px}.intro h1{font-size:40px}.intro-note{font-size:9px;gap:8px}.small-orbit{width:27px}.small-orbit:after{left:11px}.reading{padding-left:18px;padding-right:18px}.reading h2{font-size:40px}.reading>p{font-size:15px}.idea-actions{gap:4px}.idea-actions>button{padding:9px 10px;font-size:9px}.idea-nav button{width:29px}.conditions .condition{padding:18px}.manifest p{font-size:21px}.studio{font-size:8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}button:active{transform:none}}
@media(min-width:701px){.stage{min-height:650px}.reading{height:650px;min-height:650px}}
@media(max-width:700px){.reading{height:510px;min-height:510px}}

.quick-conditions{position:absolute;right:25px;top:57px;display:flex;align-items:center;gap:7px}.quick-conditions>span{font-size:7px;letter-spacing:.06em;color:var(--muted);margin-right:5px}.quick-conditions button{font-size:10px;padding:7px 12px;min-height:34px;background:var(--panel)}#frozen-badge{top:102px}
@media(max-width:700px){.quick-conditions{right:14px;top:39px;gap:5px}.quick-conditions>span{font-size:5px;max-width:58px;line-height:1.5}.quick-conditions button{font-size:8px;min-height:29px;padding:6px 10px}#frozen-badge{top:79px;font-size:7px}}

.intro h1{height:2.1em}.intro h1>br{display:none}.intro h1>span{display:block;line-height:1.05}.intro-note p{min-width:0;flex:1}@media(max-width:700px){.intro h1{height:3.15em}.intro-note{height:50px;min-height:50px}.intro-note .text-button{flex-shrink:0;width:65px}}
/* Stable geometry while locally bundled fonts decode. */
.brand{position:relative;width:166px;flex-shrink:0}.logo-mark{position:absolute;left:124px;top:50%;transform:translateY(-50%)}.scene-label{width:185px;justify-content:flex-start}.scene-label span:last-child{white-space:nowrap}.live-dot{flex-shrink:0}#surface-label{width:225px;text-align:right}.quick-conditions{width:340px}.quick-conditions>span{width:110px;flex-shrink:0}.quick-conditions button{width:100px;flex-shrink:0}.chapter-counter{font-family:monospace}.chapter-counter>span:first-child{width:17px;flex-shrink:0}
@media(max-width:700px){.brand{width:126px}.logo-mark{left:91px}.scene-label{width:130px}#surface-label{width:165px}.quick-conditions{width:230px}.quick-conditions>span{width:60px;max-width:60px;margin:0}.quick-conditions button{width:80px}}

.reading #idea-body{height:185px;flex-shrink:0;max-width:360px;width:100%}.reading h2{height:122px;flex-shrink:0}.reading .idea-example{height:48px;min-height:48px;flex-shrink:0;width:100%;max-width:330px}.modes button{width:105px;flex-shrink:0}#state-label{width:240px;flex-shrink:0}.studio{position:relative;width:170px;padding-right:35px;text-align:right}.studio>span{position:absolute;right:0;margin:0}@media(max-width:700px){.reading #idea-body{height:185px;max-width:none}.reading h2{height:93px}.modes button{width:calc((100% - 4px)/3);flex-shrink:1}#state-label{width:100%}.studio{width:150px;padding-right:18px}.reading .idea-example{max-width:none}}
/* Explanation and opt-in status updates never push controls under the pointer. */
#why-summary{height:116px}#rules{height:185px}#freeze-note{height:40px}.sensor-note{height:58px;min-height:58px}
@media(min-width:701px) and (max-width:1050px){#why-summary{height:144px}#rules{height:240px}}
@media(max-width:700px){#why-summary{height:120px}#rules{height:210px}}
.quick-conditions>span{font-size:8px}@media(max-width:700px){.quick-conditions{display:grid;grid-template-columns:1fr 1fr;width:200px;gap:4px;top:37px}.quick-conditions>span{grid-column:1/-1;font-size:8px;width:100%;max-width:none;text-align:right;line-height:1.3}.quick-conditions button{width:100%;font-size:9px;min-height:36px}#frozen-badge{top:102px}.weather legend span{font-size:7px}}