@import url('./fonts.css');
:root{color-scheme:dark;--bg:#030914;--panel:rgba(7,17,31,.72);--line:rgba(126,181,238,.18);--cyan:#70d9ff;--violet:#aa8cff;--text:#ecf3ff;--muted:#8f9fb6;--display:'Polyverse Display','Eurostile','Bank Gothic','Orbitron',Arial,sans-serif;--body:'Inter',Arial,'Microsoft Yahei',sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.6 var(--body);letter-spacing:.02em}body:before{content:'';position:fixed;inset:0;pointer-events:none;z-index:-1;background:radial-gradient(ellipse at 70% 28%,#0a1c3c44,transparent 60%),radial-gradient(ellipse at 15% 85%,#20144233,transparent 45%)}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button{color:inherit}button:disabled{opacity:.4;cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--cyan);outline-offset:5px}button{border:0;background:none}a,button{touch-action:manipulation}input,select{color:var(--text);background:#071322;border:1px solid var(--line);border-radius:3px}input[type=range]{accent-color:var(--cyan);height:18px;width:100%;margin:12px 0 3px;cursor:pointer}select{min-height:40px;width:100%;padding:7px 10px}input[type=number],input[type=text],input[type=search]{padding:10px 12px;min-height:44px;width:100%}h1,h2,h3,p{margin:0}svg{display:block}button svg,a svg{flex-shrink:0}.icon{width:19px;height:19px;stroke:currentColor;stroke-width:1.5;fill:none;stroke-linecap:round;stroke-linejoin:round}.container{width:min(94%,1740px);margin:auto}.site-header{height:82px;padding:0 3.2%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);position:relative;z-index:10;background:linear-gradient(180deg,#030914c9,#03091455);gap:26px}.brand{display:flex;align-items:center;gap:13px;flex-shrink:0}.brand>svg{width:36px;height:42px;color:var(--cyan);filter:drop-shadow(0 0 8px #58d9ff50)}.brand strong{display:block;font:600 23px/1.15 var(--display);letter-spacing:.25em}.brand small{font-size:8px;letter-spacing:.37em;color:#a2b7d2;display:block;margin-top:5px}.desktop-nav{display:flex;align-items:center;gap:28px}.desktop-nav a{font-size:10px;letter-spacing:.14em;color:#a5b3c8;position:relative;padding:30px 0}.desktop-nav a.active{color:var(--cyan)}.desktop-nav a.active:after{content:'';height:2px;position:absolute;left:0;right:0;bottom:20px;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}.header-actions{display:flex;align-items:center;gap:20px}.icon-button{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:2px}.icon-button:hover{border-color:var(--line);color:var(--cyan);background:#0d203544}.button{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:12px 20px;gap:12px;border:1px solid #62bfe48c;font:500 10px/1.4 var(--body);letter-spacing:.16em;border-radius:2px;transition:background .2s,box-shadow .2s,transform .2s}.button.primary{background:linear-gradient(125deg,#1d6a8b99,#143d6499);color:#c4f1ff;box-shadow:inset 0 0 18px #52c7ff15,0 0 25px #4bcaff10}.button.primary:hover{background:#1b5d7f;box-shadow:0 0 24px #58d9ff30;transform:translateY(-2px)}.button.secondary{border-color:var(--line);background:#08132177;color:#b9c8dd}.button.secondary:hover{border-color:#88bbdd;background:#10223b}.button.compact{padding:11px 16px;font-size:9px}.button .icon{width:15px;height:15px}.menu-toggle{display:none}.eyebrow{font-size:10px;color:var(--cyan);letter-spacing:.26em;font-weight:500;display:flex;gap:12px;align-items:center}.eyebrow:before{content:'';width:25px;height:1px;background:var(--cyan)}.hero{position:relative;min-height:490px;isolation:isolate;overflow:hidden}.hero-scene{position:absolute;inset:-82px 0 -25px;z-index:-2;height:calc(100% + 107px)}.hero:after{content:'';position:absolute;inset:0;z-index:-1;pointer-events:none;background:linear-gradient(90deg,#030914de 0%,#0309149e 28%,transparent 57%),linear-gradient(0deg,#030914 0%,transparent 24%)}.hero-copy{padding:67px 0 45px 5%;max-width:720px;position:relative;pointer-events:none}.hero-copy a,.hero-copy button{pointer-events:auto}.hero h1{font-family:var(--display);font-weight:500;font-size:clamp(40px,3.85vw,66px);line-height:1.22;letter-spacing:.065em;color:#a6e9ff;text-shadow:0 0 34px #66caff35;margin-top:18px}.hero h1 span{display:block;color:#ddf5ff;letter-spacing:.07em}.hero-description{margin-top:20px;color:#aebdd0;font-size:12px;line-height:1.95;letter-spacing:.045em}.hero-actions{display:flex;gap:14px;margin-top:28px}.hero-actions .button{min-width:194px}.hero-shortcuts{display:flex;gap:25px;margin-top:33px}.hero-shortcuts a{display:flex;align-items:center;gap:8px;font-size:8px;letter-spacing:.1em;color:#a5b5cd}.hero-shortcuts svg{color:#8ac8e9;width:17px;height:17px}.hero-side{position:absolute;right:3.3%;top:48px;text-align:right}.hero-side>p{font:400 15px/1.7 var(--display);letter-spacing:.28em;color:#afc7de}.hero-index{display:flex;flex-direction:column;gap:13px;margin-top:23px}.hero-index a{font-size:8px;letter-spacing:.2em;color:#9daec4}.hero-index a:after{content:'—';margin-left:15px;color:#3d729e}.hero-index a:first-child{color:var(--cyan)}.scene-caption{position:absolute;left:53%;bottom:32px;font-size:8px;letter-spacing:.2em;color:#7291ac;display:flex;gap:12px;align-items:center}.live-dot{display:inline-block;background:#68d9ff;width:5px;height:5px;border-radius:100%;box-shadow:0 0 9px #58d9ff;animation:breathe 4s ease-in-out infinite}.hero-tools{position:absolute;right:3.3%;bottom:25px;display:flex;gap:5px}.hero-tools button{color:#a6bcd2}.features{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;position:relative;z-index:2}.feature-card{min-height:131px;display:flex;align-items:center;padding:21px 17px;gap:16px;background:linear-gradient(120deg,#0e1b3099,#06101dcd);border:1px solid var(--line);position:relative;transition:transform .25s,border-color .25s,box-shadow .25s;overflow:hidden}.feature-card:after,.realm-card:after{content:'';position:absolute;inset:0;pointer-events:none;background:linear-gradient(115deg,transparent 20%,#74d5ff07 50%,transparent 75%);background-size:250% 100%;animation:card-scan 12s ease-in-out infinite}.feature-card:hover{transform:translateY(-4px);border-color:#6bbfe477;box-shadow:0 8px 30px #0005}.feature-preview{width:86px;height:87px;flex-shrink:0;filter:drop-shadow(0 0 8px #6a9aff45)}.feature-preview svg{width:100%;height:100%}.feature-info{min-width:0}.card-heading{display:flex;align-items:baseline;gap:13px}.card-heading h2{font:500 15px var(--display);letter-spacing:.14em}.card-heading span{font:9px var(--body);color:#94a7c0}.feature-info p{font-size:10px;color:#899ab2;line-height:1.7;margin-top:9px;max-width:200px}.card-arrow{position:absolute;right:13px;bottom:11px;color:#6e9dbc;font-size:17px;transition:transform .2s}.feature-card:hover .card-arrow{transform:translateX(4px)}.laws-section{margin-top:24px;border:1px solid var(--line);display:grid;grid-template-columns:1.18fr 1.1fr 1.1fr 1.2fr;min-height:246px;background:linear-gradient(100deg,#0b192a99,#07122166);position:relative;overflow:hidden}.laws-section>div{padding:25px 26px;position:relative}.laws-section>div+div:before{content:'';position:absolute;left:0;top:26px;bottom:24px;width:1px;background:linear-gradient(transparent,var(--line),transparent)}.section-overline{font-size:9px;letter-spacing:.22em;color:#8eb2cb}.laws-intro h2{font:500 22px/1.5 var(--display);letter-spacing:.12em;margin-top:4px}.laws-intro p{color:#8e9eb3;font-size:10px;line-height:1.9;margin:11px 0 13px}.text-link{font-size:8px;letter-spacing:.16em;color:#8fcbeb;display:inline-flex;gap:12px;align-items:center;min-height:32px}.laws-section h3{font-size:9px;letter-spacing:.2em;color:#b3cbde;font-weight:500;margin-bottom:16px}.dimensions-map{display:flex;gap:13px;align-items:center;justify-content:space-between}.dimension-list{display:flex;flex-direction:column;gap:6px}.dimension-list a{font-size:9px;color:#a2b5cd;min-height:22px}.dimension-list strong{color:#7bb9e3;font-weight:500;display:inline-block;width:28px}.dimension-object{width:110px;display:block}.dimension-object svg{width:100%;height:auto;animation:float 8s ease-in-out infinite}.equation-link{display:flex;align-items:center;gap:15px;font-family:Georgia,serif;font-style:italic;font-size:20px;letter-spacing:.06em;min-height:53px;color:#c6d8ed}.equation-link svg{color:var(--violet);width:24px;height:24px;opacity:.8}.equation-link small{font-size:10px}.field-art{height:117px;position:relative;overflow:hidden}.field-art svg{width:100%;height:100%;opacity:.8}.field-art:after{content:'';position:absolute;width:50px;height:50px;border-radius:50%;background:#58d9ff;filter:blur(35px);left:45%;top:20%;opacity:.25;animation:breathe 5s ease-in-out infinite}.field-legend{display:flex;flex-wrap:wrap;gap:3px 12px;margin-top:10px}.field-legend button{font-size:7px;letter-spacing:.09em;min-height:22px;padding:2px 0;color:#a4b5cd;display:flex;align-items:center;gap:5px}.field-legend button i{width:5px;height:5px;border:1px solid #7caeff;background:#7caeff}.field-legend button[aria-pressed=false]{opacity:.3}.field-legend button:nth-child(2) i{background:#9c80f7}.field-legend button:nth-child(3) i{background:#ffd4a1}.worlds-section{padding-top:31px}.section-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.section-heading h2{font:500 20px var(--display);letter-spacing:.16em}.section-heading p{font-size:8px;letter-spacing:.24em;color:#6986a4;margin-top:6px}.world-controls{display:flex;gap:7px;align-items:center}.world-controls .icon-button{border-color:var(--line);width:33px;height:33px}.world-controls span{font:9px var(--body);color:#7591a9;margin-right:10px}.realm-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.realm-card{border:1px solid var(--line);background:#071221;position:relative;transition:border-color .25s,transform .25s;overflow:hidden}.realm-card.active{border-color:#6aa6cc80}.realm-card:hover{border-color:#94d6f7;transform:translateY(-3px)}.realm-preview{height:132px;overflow:hidden;position:relative;background:radial-gradient(ellipse at center,#10223a,transparent)}.realm-preview svg{width:100%;height:100%;transition:transform 1.5s}.realm-card.active .realm-preview svg{animation:realm-drift 8s ease-in-out infinite}.realm-card:hover .realm-preview svg{transform:scale(1.07)}.realm-preview:after{content:'';position:absolute;inset:50% 0 0;background:linear-gradient(transparent,#071221)}.realm-copy{position:relative;padding:0 17px 15px}.realm-copy h3{font:500 12px var(--display);letter-spacing:.12em}.realm-copy p{font-size:7px;color:#7a91ac;letter-spacing:.21em;margin-top:4px}.realm-copy>span{position:absolute;right:15px;top:1px;font-size:9px;color:#8099b6}.site-footer{margin:28px 2.8% 0;padding:23px 0;display:flex;align-items:center;justify-content:space-between;gap:22px;border-top:1px solid var(--line)}.site-footer .brand>svg{width:22px;height:26px}.site-footer .brand strong{font-size:15px}.site-footer .brand small{font-size:6px}.footer-nav{display:flex;gap:23px}.footer-nav a{font-size:8px;letter-spacing:.14em;color:#7f93ac}.footer-right{display:flex;gap:22px;align-items:center}.social-links{display:flex;gap:4px}.social-links .icon-button{width:29px;height:32px;color:#9fb5cc}.social-links .icon{width:13px;height:13px}.footer-motto{font-size:7px;letter-spacing:.17em;color:#617a96}.bottom-strip{display:flex;justify-content:space-between;padding:0 3% 15px;color:#415975;font-size:7px;letter-spacing:.15em}.screen-reader-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.text-button{color:#93cae9;font-size:11px;min-height:36px;text-align:left;padding:7px 0}.full{width:100%}.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:#0c2036f5;border:1px solid #509fce80;box-shadow:0 8px 40px #0008;padding:13px 20px;z-index:100;max-width:min(90%,700px);font-size:12px;border-radius:3px}.toast[hidden]{display:none}dialog{background:#071321f5;color:var(--text);border:1px solid #3d6785;padding:30px;width:min(650px,92vw);max-height:88vh;box-shadow:0 20px 100px #000b;border-radius:3px}dialog::backdrop{background:#010611c9;backdrop-filter:blur(10px)}.dialog-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.dialog-top h2{font:500 20px var(--display);letter-spacing:.12em}.dialog-copy{color:#9fb0c7;margin:16px 0;line-height:1.9}.dialog-actions{display:flex;gap:10px;margin-top:22px;flex-wrap:wrap}.dialog-label{display:block;color:#a5b9d2;margin-bottom:7px;font-size:12px}.search-results{display:flex;flex-direction:column;margin-top:15px;gap:5px;max-height:50vh;overflow:auto}.search-result{display:block;padding:13px 15px;border:1px solid transparent;background:#0d1c30}.search-result:hover,.search-result.selected{border-color:#619cb9;background:#152a40}.search-result strong{font-size:13px;display:block;font-weight:500}.search-result small{font-size:10px;color:#829bb6}.result-count{font-size:10px;color:#7d9ab5;margin:14px 0}.intro-dialog{background:linear-gradient(135deg,#071321f0,#0c1730ee);margin-top:auto;margin-bottom:6vh;width:min(740px,92vw)}.intro-dialog::backdrop{backdrop-filter:none;background:#02071155}.intro-progress{display:flex;gap:7px;margin:20px 0}.intro-progress span{height:2px;flex:1;background:#1d3551}.intro-progress span.active{background:#84dfff;box-shadow:0 0 9px #58d9ff66}.intro-description{font-size:15px;color:#b0c4dd;line-height:1.8}.intro-stage{font:500 31px var(--display);letter-spacing:.08em;margin:12px 0}.mobile-menu{display:none}.scene-page{height:calc(100dvh - 82px);min-height:650px;position:relative;display:flex;flex-direction:column}.scene-titlebar{padding:19px 3%;display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line);background:#050e1a}.breadcrumbs{display:flex;align-items:center;gap:18px;font-size:9px;letter-spacing:.17em;color:#6e8ba5}.breadcrumbs a{color:#a4cee8}.scene-titlebar h1{font:500 19px var(--display);letter-spacing:.13em;margin-top:5px}.scene-title-actions{display:flex;gap:7px}.workspace{position:relative;display:grid;grid-template-columns:minmax(0,1fr) 300px;flex:1;min-height:0;overflow:hidden}.scene-viewport{position:relative;min-width:0;min-height:400px;overflow:hidden;isolation:isolate}.scene-viewport canvas,.hero-scene canvas{display:block;width:100%;height:100%;outline-offset:-5px}.viewport-overlay{position:absolute;inset:22px auto auto 25px;pointer-events:none;max-width:310px}.viewport-overlay .eyebrow{font-size:8px;letter-spacing:.18em}.viewport-description{font-size:10px;color:#889eb8;margin-top:10px;line-height:1.8}.viewport-bottom{position:absolute;left:25px;bottom:20px;pointer-events:none;font:9px/1.9 var(--body);letter-spacing:.12em;color:#5c809c}.camera-buttons{position:absolute;bottom:17px;right:17px;display:flex;gap:4px}.camera-buttons .icon-button{background:#071522c9;border-color:var(--line);width:34px;height:34px;font-size:16px}.parameters{border-left:1px solid var(--line);background:linear-gradient(140deg,#0a1728,#050e1b);overflow:auto;padding:22px 21px;scrollbar-width:thin;scrollbar-color:#264463 transparent}.panel-kicker{display:flex;align-items:center;gap:9px;color:#a6cbe4;font-size:9px;letter-spacing:.17em;margin-bottom:25px}.panel-kicker>span:last-child{margin-left:auto;color:#4d6b89}.control{display:block;margin:16px 0}.control>span{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:#9fb2cc;margin-bottom:7px}.control output{color:#85d4fa;font-size:10px;font-variant-numeric:tabular-nums}.control input[type=range]{margin-top:3px}.toggle-row{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:35px;font-size:11px;color:#9fb2cc;position:relative}.toggle-row input{position:absolute;right:0;opacity:0;width:34px;height:24px}.toggle-row i{width:28px;height:14px;border:1px solid #38526d;border-radius:12px;position:relative;pointer-events:none}.toggle-row i:after{content:'';position:absolute;width:8px;height:8px;top:2px;left:3px;background:#657d96;border-radius:100%;transition:transform .2s}.toggle-row input:checked+i{border-color:#56b6dc;background:#1b648377}.toggle-row input:checked+i:after{background:#84d9ff;transform:translateX(11px)}.toggle-row input:focus-visible+i{outline:2px solid var(--cyan);outline-offset:4px}.panel-divider{font-size:8px;letter-spacing:.18em;color:#617f9c;border-top:1px solid var(--line);padding-top:22px;margin:24px 0 15px}details{margin:15px 0}summary{font-size:11px;color:#8eb1cc;cursor:pointer;min-height:32px}.fine-print{font-size:10px;color:#607c99;line-height:1.8;margin:10px 0}.selection-info{font-size:10px;color:#839fbd;white-space:pre-wrap;overflow-wrap:anywhere;background:#030b17;padding:12px;border:1px solid #183047;line-height:1.9;max-height:260px;overflow:auto}.vector-row{display:grid;grid-template-columns:repeat(3,1fr);gap:5px;margin:10px 0}.vector-row>span{grid-column:1/-1;font-size:10px;text-transform:capitalize;color:#8cabc7}.vector-row label span{font-size:8px;color:#547e9c}.vector-row input{width:100%;min-height:35px;padding:4px;font-size:10px}.body-editor .control input{min-height:35px;padding:4px 8px}.scene-toolbar{display:flex;align-items:center;gap:10px;border-top:1px solid var(--line);padding:11px 2%;background:#060f1c;min-height:65px;flex-wrap:wrap}.scene-toolbar .button{min-height:36px;padding:8px 12px;font-size:8px}.toolbar-time{font-size:10px;color:#849ab3;letter-spacing:.08em;min-width:110px}.toolbar-spacer{flex:1}.statistics{position:absolute;left:25px;top:120px;background:linear-gradient(90deg,#04101ecc,#04101e55);border-left:1px solid #6ac4ec66;padding:12px 16px;pointer-events:none;max-width:310px}.stat-row{display:flex;gap:24px;justify-content:space-between;min-height:23px;font-size:9px}.stat-row span{color:#6e8ba8;text-transform:uppercase;font-size:8px;letter-spacing:.08em}.stat-row strong{font-weight:400;color:#a7c3db;text-align:right;max-width:190px}.stat-row:first-child{margin-bottom:3px}.scene-tabs{position:absolute;top:20px;right:20px;display:flex;gap:3px}.scene-tabs button{font-size:8px;background:#061728b8;border:1px solid var(--line);padding:8px;color:#9ab6d1}.scene-tabs button.active{border-color:#74c7f3;color:#c3f1ff}.vertex-label{position:absolute;font-size:9px;background:#071424aa;border:1px solid #2b536d;padding:0 3px;color:#a6d7ee;pointer-events:none}.observe-button{position:absolute;left:50%;bottom:70px;transform:translateX(-50%);background:#0c2b40e0;border:1px solid #4b9cc1;color:#b6eaff;border-radius:3px;padding:10px 15px;white-space:nowrap;font-size:11px}.webgl-fallback{position:absolute;inset:0;text-align:center;display:flex;align-items:center;justify-content:center;flex-direction:column;z-index:-1;background:#030914}.webgl-fallback svg{width:min(80%,700px);max-height:65%}.webgl-fallback p{color:#88a3c0;font-size:11px}.webgl-fallback .button{margin-top:12px}.immersive .site-header{display:none}.immersive .scene-page{height:100dvh}.preset-sidebar{width:205px;background:#050f1c;border-right:1px solid var(--line);padding:20px 12px;overflow:auto}.simulator-workspace{grid-template-columns:205px minmax(0,1fr) 300px}.preset-sidebar h2{font-size:9px;letter-spacing:.16em;color:#7895b1;padding:3px 10px 15px}.preset-button{display:flex;align-items:center;gap:12px;width:100%;text-align:left;font-size:10px;color:#8fa6c0;padding:15px 10px;border:1px solid transparent;margin-bottom:5px}.preset-button.active{border-color:#3d779b;background:#10314c66;color:#bcdef2}.preset-button svg{width:23px;height:23px}.preset-button small{display:block;font-size:8px;color:#56718e;margin-top:3px}.page-main{width:min(1160px,90%);margin:70px auto 100px;min-height:60vh}.page-hero{margin-bottom:45px}.page-hero h1{font:500 clamp(32px,4vw,55px)/1.2 var(--display);letter-spacing:.08em;margin:18px 0;color:#c8edff}.page-hero p{font-size:14px;color:#8ea5bf;max-width:650px;line-height:1.9}.library-tools{display:flex;gap:20px;align-items:center;justify-content:space-between;margin-bottom:30px;flex-wrap:wrap}.filter-buttons{display:flex;gap:6px;flex-wrap:wrap}.filter-buttons button{font-size:10px;letter-spacing:.08em;color:#8ea5bf;padding:10px 13px;min-height:40px;border:1px solid var(--line)}.filter-buttons button.active{color:var(--cyan);border-color:#4a9fc4;background:#11304a77}.library-search{max-width:270px}.library-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.library-card{background:#0a172899;border:1px solid var(--line);position:relative;overflow:hidden}.library-card>a{display:block}.library-card .realm-preview{height:160px}.library-card-body{padding:20px}.library-card h2{font:500 15px var(--display);letter-spacing:.06em}.library-card p{font-size:11px;color:#839db8;margin-top:9px}.library-card small{color:#5d83a3;font-size:9px;letter-spacing:.1em;display:block;margin-top:15px}.local-actions{display:flex;gap:15px;padding:0 20px 13px}.local-actions button{font-size:10px;color:#8dc6e8;min-height:30px}.empty-state{padding:60px 20px;border:1px dashed #23405b;text-align:center;color:#7b99b4;grid-column:1/-1}.document-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:50px}.doc-toc{position:sticky;top:30px;align-self:start;display:flex;flex-direction:column;gap:8px;border-left:1px solid var(--line);padding-left:20px}.doc-toc a{font-size:11px;min-height:32px;color:#85a4c1}.document section{margin-bottom:45px;scroll-margin-top:40px}.document h2{font:500 20px var(--display);letter-spacing:.06em;margin-bottom:15px;color:#b9e0f5}.document p,.document li{color:#91a8c1;font-size:13px;line-height:1.95}.document p+p{margin-top:12px}.document a{color:#80d6ff}.document code{color:#bcabef;background:#121b31;padding:3px 6px}.document pre{background:#071321;border:1px solid var(--line);padding:20px;overflow:auto}.document table{border-collapse:collapse;width:100%;margin:20px 0;font-size:12px}.document td,.document th{border:1px solid var(--line);padding:10px 14px;text-align:left}.about-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:60px;align-items:center}.about-visual svg{width:100%;height:400px}.about-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-top:40px}.about-facts>div{border-top:1px solid var(--line);padding-top:20px}.about-facts strong{font:400 36px var(--display);color:#99dfff;display:block}.about-facts span{font-size:10px;color:#728faa;letter-spacing:.08em}.mobile-params{display:none}.walk-indicator{position:absolute;bottom:70px;left:25px;background:#0c2339;padding:8px 15px;color:#a6d8f1;font-size:11px}.paused-badge{color:#e1bc8f}.scene-page.panel-collapsed .workspace{grid-template-columns:minmax(0,1fr)}.scene-page.panel-collapsed .parameters{display:none}.scene-page.panel-collapsed .simulator-workspace{grid-template-columns:205px minmax(0,1fr)}[data-paused=true] *,[data-paused=true] *:before,[data-paused=true] *:after{animation-play-state:paused!important}[data-paused=true] .realm-preview svg{transition:none}.motion-reduced *{scroll-behavior:auto!important}.motion-reduced .feature-card,.motion-reduced .realm-card,.motion-reduced .button{transition:none!important}@keyframes breathe{50%{opacity:.45}}@keyframes float{50%{transform:translateY(-5px)}}@keyframes card-scan{0%,65%{background-position:100% 0}100%{background-position:-100% 0}}@keyframes realm-drift{50%{transform:scale(1.035) translateY(-1px)}}
@media(min-width:1700px){.hero{min-height:560px}.hero-copy{padding-top:85px}.feature-card{min-height:145px}.feature-preview{width:100px}.realm-preview{height:165px}.laws-section{min-height:265px}.laws-intro p{font-size:12px}.feature-info p{font-size:11px}}
@media(max-width:1250px){.desktop-nav{gap:16px}.desktop-nav a{font-size:8px}.header-actions{gap:8px}.header-actions .button{font-size:8px;padding:10px}.brand strong{font-size:19px}.hero-copy{padding-left:4%;max-width:600px}.hero h1{font-size:45px}.hero-side{right:3%}.feature-card{padding:17px 13px;gap:10px}.feature-preview{width:65px}.card-heading h2{font-size:12px}.card-heading{gap:7px}.feature-info p{font-size:9px}.laws-section>div{padding:20px 16px}.laws-intro h2{font-size:18px}.dimension-object{width:80px}.equation-link{font-size:17px}.section-heading h2{font-size:17px}.footer-nav{gap:12px}.footer-motto{display:none}.workspace{grid-template-columns:minmax(0,1fr) 280px}.simulator-workspace{grid-template-columns:170px minmax(0,1fr) 270px}.preset-sidebar{width:170px}.parameters{padding:20px 16px}}
@media(max-width:1023px){.site-header{height:72px}.desktop-nav{display:none}.header-actions .button{display:none}.menu-toggle{display:flex}.hero-scene{inset:-72px 0 -25px}.hero{min-height:520px}.hero h1{font-size:44px}.hero-copy{padding-top:65px}.hero-side>p{font-size:11px}.hero-side{top:50px}.hero-shortcuts{gap:16px;flex-wrap:wrap;max-width:380px}.features{grid-template-columns:repeat(2,1fr)}.feature-card{min-height:125px}.feature-preview{width:88px}.card-heading h2{font-size:15px}.feature-info p{font-size:11px;max-width:none}.laws-section{grid-template-columns:1fr 1fr}.laws-section>div{padding:24px}.laws-section>div:nth-child(3),.laws-section>div:nth-child(4){border-top:1px solid var(--line)}.laws-intro p{font-size:12px}.laws-intro h2{font-size:22px}.dimension-object{width:130px}.dimension-list a{font-size:11px}.equation-link{font-size:22px}.field-art{height:130px}.realm-grid{gap:10px}.realm-copy h3{font-size:9px}.realm-copy{padding:0 12px 14px}.realm-preview{height:120px}.site-footer{flex-wrap:wrap}.footer-right{margin-left:auto}.mobile-menu{display:block;position:absolute;left:0;right:0;top:72px;padding:20px 5%;background:#061220fa;border-bottom:1px solid #345771}.mobile-menu[hidden]{display:none}.mobile-menu a{display:block;padding:13px;color:#b3d2e9;letter-spacing:.15em;font-size:11px}.scene-page{height:calc(100dvh - 72px)}.scene-titlebar h1{font-size:16px}.workspace{grid-template-columns:minmax(0,1fr) 265px}.simulator-workspace{grid-template-columns:minmax(0,1fr) 265px}.preset-sidebar{grid-column:1/-1;display:flex;width:auto;padding:8px;gap:5px;overflow-x:auto;border-bottom:1px solid var(--line);flex-shrink:0;height:69px}.preset-sidebar h2{display:none}.preset-button{white-space:nowrap;min-width:150px;margin:0;padding:7px}.simulator-workspace{grid-template-rows:69px minmax(0,1fr)}.statistics{max-width:250px}.stat-row{gap:12px}.stat-row strong{max-width:150px}.library-grid{grid-template-columns:repeat(2,1fr)}.about-grid{gap:30px}.document-layout{grid-template-columns:160px 1fr;gap:30px}}
@media(max-width:767px){body{font-size:14px}.container{width:90%}.site-header{height:68px;padding:0 5%;gap:10px}.brand strong{font-size:19px}.brand small{font-size:6px;letter-spacing:.36em}.brand>svg{width:29px;height:35px}.header-actions{gap:0}.header-actions .icon-button{width:36px}.hero{min-height:750px}.hero-scene{inset:180px -30% 0 -40%;height:580px;z-index:-2}.hero:after{background:linear-gradient(180deg,#030914 0%,#03091488 30%,transparent 55%,#030914 98%)}.hero-copy{padding:37px 5% 0;max-width:100%}.hero .eyebrow{font-size:8px}.hero h1{font-size:clamp(27px,7.4vw,43px);line-height:1.3;letter-spacing:.03em;margin-top:16px}.hero-description{font-size:11px;line-height:1.85;margin-top:17px}.hero-description br{display:none}.hero-actions{gap:10px;margin-top:22px}.hero-actions .button{min-width:0;padding:12px;font-size:8px;gap:7px}.hero-actions .icon{width:13px}.hero-shortcuts{margin-top:22px;gap:12px 20px;max-width:100%}.hero-shortcuts a{font-size:7px}.hero-shortcuts a:nth-child(3),.hero-shortcuts a:nth-child(4){display:none}.hero-side{top:auto;bottom:102px;right:5%}.hero-side>p{font-size:10px}.hero-index{display:none}.scene-caption{bottom:43px;left:5%;font-size:7px;max-width:190px}.hero-tools{bottom:30px;right:5%}.features{gap:12px}.feature-card{display:block;min-height:192px;padding:15px}.feature-preview{height:77px;width:85px;margin:0 auto 11px}.card-heading h2{font-size:12px;letter-spacing:.08em}.feature-info p{font-size:9px;line-height:1.7;margin-top:7px}.card-heading{justify-content:space-between}.feature-card .card-arrow{right:9px;bottom:6px;font-size:14px}.laws-section{margin-top:20px;grid-template-columns:1fr}.laws-section>div{padding:25px}.laws-section>div+div{border-top:1px solid var(--line)}.laws-section>div+div:before{display:none}.laws-intro h2{font-size:24px}.laws-intro p{font-size:12px;line-height:1.9}.laws-section h3{font-size:10px}.dimension-list{gap:4px}.dimension-list a{min-height:28px;font-size:12px}.dimension-object{width:46%}.equation-link{min-height:60px;font-size:23px}.field-art{height:170px}.field-legend{gap:5px 17px}.field-legend button{font-size:9px;min-height:30px}.section-heading{gap:10px;align-items:end}.section-heading h2{font-size:15px;line-height:1.6;letter-spacing:.1em;max-width:240px}.section-heading p{font-size:6px;letter-spacing:.2em}.world-controls{gap:5px}.world-controls span{display:none}.world-controls .icon-button{width:29px;height:32px}.realm-grid{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 0 15px;gap:15px;scrollbar-width:thin;scrollbar-color:#315a7b transparent}.realm-card{flex:0 0 84%;scroll-snap-align:start}.realm-preview{height:175px}.realm-copy{padding:0 20px 20px}.realm-copy h3{font-size:13px}.realm-copy p{font-size:8px}.site-footer{margin-top:22px;padding:25px 0;gap:20px;align-items:flex-start}.site-footer .brand strong{font-size:16px}.footer-nav{order:3;display:flex;flex-wrap:wrap;width:100%;gap:5px 22px}.footer-nav a{font-size:8px;min-height:30px}.footer-right{gap:0}.social-links{gap:3px}.bottom-strip{font-size:6px;gap:20px}.mobile-menu{top:68px}.scene-page{height:auto;min-height:calc(100dvh - 68px)}.scene-titlebar{padding:14px 5%;gap:6px;align-items:start}.breadcrumbs{font-size:7px;gap:10px}.scene-titlebar h1{font-size:14px;letter-spacing:.05em}.scene-title-actions .button{display:none}.scene-title-actions .icon-button{width:34px;height:34px}.scene-title-actions .mobile-params{display:flex}.workspace{display:flex;flex-direction:column;overflow:visible;min-height:0}.scene-viewport{height:65dvh;min-height:430px;flex-shrink:0}.parameters{border-left:0;border-top:1px solid var(--line);padding:25px 6%;max-height:none;overflow:visible}.panel-collapsed .parameters{display:none}.scene-toolbar{padding:12px 5%;gap:7px;min-height:0;position:relative}.scene-toolbar .button{font-size:7px;padding:8px}.toolbar-spacer{display:none}.toolbar-time{font-size:9px;min-width:80px}.viewport-overlay{left:20px;top:18px;max-width:260px}.viewport-overlay .eyebrow{font-size:7px}.viewport-description{font-size:9px;max-width:240px}.statistics{left:20px;top:100px;max-width:230px;padding:9px 12px}.stat-row{font-size:8px;min-height:20px}.stat-row span{font-size:7px}.viewport-bottom{left:20px;bottom:20px;font-size:7px;max-width:180px}.camera-buttons{right:12px;bottom:15px;display:grid;grid-template-columns:repeat(3,29px);gap:3px}.camera-buttons .icon-button{width:29px;height:29px;font-size:14px}.scene-tabs{display:none}.preset-sidebar{height:75px;display:flex;overflow:auto;flex-direction:row;max-width:100%;padding:10px}.preset-button{min-width:150px}.page-main{margin:42px auto 65px;width:90%}.page-hero h1{font-size:31px;line-height:1.4}.page-hero p{font-size:12px}.page-hero .eyebrow{font-size:8px}.library-grid{grid-template-columns:1fr}.library-tools{gap:15px}.filter-buttons{gap:5px}.filter-buttons button{font-size:9px;padding:8px 10px}.library-search{max-width:none;width:100%}.library-card .realm-preview{height:190px}.document-layout{display:block}.doc-toc{position:static;display:flex;flex-direction:row;flex-wrap:wrap;padding:12px;margin-bottom:35px;border:1px solid var(--line);gap:6px 15px}.doc-toc a{font-size:10px}.document h2{font-size:18px;line-height:1.5}.document p,.document li{font-size:12px}.document table{font-size:10px}.document td,.document th{padding:6px}.about-grid{display:block}.about-visual svg{height:280px}.about-facts{margin-top:20px}.about-facts strong{font-size:30px}.about-facts span{font-size:8px}dialog{padding:23px}.dialog-top h2{font-size:16px}.intro-stage{font-size:23px}.intro-description{font-size:12px}.dialog-copy{font-size:12px}.scene-page.panel-collapsed .workspace{display:flex}.webgl-fallback{z-index:0}.hero-scene .webgl-fallback{z-index:-1}.immersive .scene-viewport{height:80dvh}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
/* Keep the reading layer comfortable at every viewport size. */
.hero h1{font-size:clamp(38px,3.05vw,58px);letter-spacing:.025em}.hero h1 span{letter-spacing:.055em}.hero-description{font-size:14px}.feature-info p{font-size:14px;line-height:1.65}.feature-card{min-height:166px}.laws-intro p{font-size:14px;line-height:1.8}.laws-section{min-height:285px}.viewport-description{font-size:12px}.field-art [data-field=gravity] path{stroke-dasharray:7 4;animation:field-flow 12s linear infinite}.feature-card:hover .feature-preview svg{transform:rotate(2deg) scale(1.035);transition:transform .25s}.feature-preview svg{transition:transform .25s}@keyframes field-flow{to{stroke-dashoffset:-100}}
@media(max-width:1250px){.feature-preview{width:58px}.feature-card{gap:9px}.card-heading h2{font-size:11px}.feature-info p{font-size:12px}.laws-intro p{font-size:13px}.hero h1{font-size:40px}}
@media(max-width:1023px){.feature-preview{width:88px}.card-heading h2{font-size:15px}.feature-info p{font-size:14px}.hero h1{font-size:40px}.laws-intro p{font-size:14px}}
@media(max-width:767px){.hero h1{font-size:clamp(23px,7vw,40px);letter-spacing:.015em}.hero h1 span{letter-spacing:.035em}.hero-description{font-size:14px;max-width:440px}.hero-shortcuts{margin-top:17px}.hero-copy{padding-top:30px}.hero{min-height:790px}.hero-scene{top:230px;height:580px}.feature-card{min-height:265px;gap:0}.feature-preview{width:85px}.card-heading h2{font-size:12px}.feature-info p{font-size:14px}.laws-intro p{font-size:14px}.laws-section{min-height:0}.viewport-description{font-size:11px}}
.energy-scale{position:absolute;top:26px;right:20px;width:135px;pointer-events:none;text-align:right;font-size:8px;letter-spacing:.12em;color:#87a7c3}.energy-scale i{display:block;height:4px;background:linear-gradient(90deg,#ffd4a1,#9a7ad7,#58d9ff);margin:7px 0 5px}.energy-scale small{font-size:7px;color:#667f99}.energy-scale[hidden]{display:none}
@media(max-width:767px){.hero-shortcuts a:nth-child(3),.hero-shortcuts a:nth-child(4){display:flex}}
[data-hidden=true] *,[data-hidden=true] *:before,[data-hidden=true] *:after{animation-play-state:paused!important}
/* STRGO site filing */
.bottom-strip{flex-wrap:wrap;align-items:center;gap:12px}
.bottom-strip .icp-link,.legal-footer .icp-link{display:inline-flex;align-items:center;min-height:28px;color:#9cb6cc;font:11px/1.8 sans-serif;letter-spacing:0;white-space:nowrap}
.legal-footer{padding:20px 8%}
.icp-link:focus-visible{outline:2px solid #93cae9;outline-offset:4px}