:root{
  --ontos-black:#050505;
  --ontos-paper:#f4f4f0;
  --ontos-ink:#111;
  --ontos-muted:#66665f;
  --ontos-line:#cecec7;
}

html{scroll-padding-top:88px}
body{background:var(--ontos-paper);color:var(--ontos-ink)}
.progress{height:2px;background:#fff;top:84px}
.site-header{
  position:sticky;
  top:0;
  height:84px;
  padding:0 max(32px,calc((100vw - 1360px)/2));
  border-bottom:1px solid rgba(255,255,255,.12);
  background:rgba(5,5,5,.88);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
}
.brand{gap:12px}.wordmark{font-size:16px;font-weight:520;letter-spacing:.11em;text-transform:uppercase}.brand-slash,.brand-research{display:none}
.header-actions{gap:28px}.header-actions>a{color:#d2d2ce;font-size:13px}.header-actions>a:hover{color:#fff}
.header-actions .header-pdf,.btn,.paper-menu{
  min-height:44px;
  padding:0 19px;
  border:1px solid rgba(255,255,255,.34);
  border-top-color:rgba(255,255,255,.52);
  border-radius:999px;
  background:linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.025));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.header-actions .header-pdf:hover,.btn:hover{background:rgba(255,255,255,.12);transform:none}
.paper-menu{display:none;color:#fff}
.hero{background:var(--ontos-black)}
.hero:after{display:none}
.hero-inner{max-width:1360px;padding:clamp(82px,9vw,132px) 38px 100px}
.hero h1{font-size:clamp(48px,6vw,88px);font-weight:430;line-height:.98;letter-spacing:-.06em}
.subtitle{color:#b7b7b1}.hero-kicker{color:#92928c}.hero-side{border-color:#333}.hero-side div{border-color:#222}
.btn{justify-content:center;border-color:rgba(255,255,255,.36);font-weight:450}
.btn-primary{background:#f4f4f0;color:#111;border-color:#f4f4f0;box-shadow:none}
.btn-primary:hover{background:#fff}
.paper-shell{max-width:1360px;padding-top:68px}
.toc-link.active{border-color:#111;color:#111}.toc-footer a{color:#111}
.paper-content,.abstract p{color:#2e2e2b}
.paper-content h1,.paper-content h2{font-weight:500}
.interactive-study{border-color:var(--ontos-line);background:#ecece7}
.study-head{border-color:var(--ontos-line)}
.example-tag{border:1px solid #c9c9c3;background:transparent;color:#55554f}
.node-btn,.component-detail,.error-result{border-color:#c9c9c3;background:#f8f8f5;border-radius:0}
.node-btn[aria-pressed="true"]{border-color:#111;background:#111;color:#fff}
.sliders input{accent-color:#111}.error-track>span{background:#111}
.figure-expand,.reset-small{color:#111}.figure-expand{border-radius:999px}
.paper-end .btn-primary{background:#111;color:#fff;border-color:#111}
.paper-end .btn-outline{border-color:#aaa;color:#111;background:transparent}
.site-footer{padding:64px max(32px,calc((100vw - 1360px)/2));border-color:#242424;background:var(--ontos-black);color:#969690}
.site-footer a{color:#fff}.footer-brand{color:#fff;font-size:16px;letter-spacing:.06em;text-transform:uppercase}

@media(max-width:900px){
  .site-header{height:68px;padding:0 18px}
  .progress{top:68px}
  .header-actions{display:none;position:fixed;inset:68px 0 auto;padding:12px 18px 26px;flex-direction:column;align-items:stretch;gap:0;background:rgba(5,5,5,.97);border-top:1px solid #252525}
  .header-actions.is-open{display:flex}
  .header-actions>a{display:flex!important;align-items:center;min-height:54px;border-bottom:1px solid #252525}
  .header-actions .header-pdf{justify-content:center;margin-top:16px;border:1px solid #555}
  .paper-menu{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding-inline:16px}
}

@media(max-width:760px){
  .hero-inner{padding:58px 20px 64px}.hero h1{font-size:clamp(43px,13vw,61px)}
  .hero-side{grid-template-columns:1fr;margin-top:38px}.hero-side div{padding:13px 0}
  .paper-shell{padding:34px 20px 76px}.paper-content{font-size:16.5px}
  .interactive-study{padding:18px 14px}.study-grid{gap:16px}
  .site-footer{padding:42px 20px;gap:16px}
}

@media(prefers-reduced-motion:reduce){.progress{transition:none}}

/* Ontos dark research system */
:root{--ontos-black:#050505;--ontos-panel:#0b0b0b;--ontos-raised:#111;--ontos-white:#f4f4f1;--ontos-copy:#b8b8b3;--ontos-muted:#81817c;--ontos-line:rgba(255,255,255,.14);--ontos-soft-line:rgba(255,255,255,.08)}
html{scroll-padding-top:98px;background:var(--ontos-black)}
body{background:var(--ontos-black);color:var(--ontos-white);font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif}
::selection{background:var(--ontos-white);color:var(--ontos-black)}
.skip{background:var(--ontos-white);color:var(--ontos-black);border-radius:999px}.progress{top:0;height:2px;background:var(--ontos-white)}
.site-header{position:absolute;inset:0 0 auto;z-index:60;height:96px;padding:0 max(56px,calc((100vw - 1328px)/2));border:0;background:linear-gradient(180deg,rgba(0,0,0,.72),transparent);color:var(--ontos-white);backdrop-filter:none;-webkit-backdrop-filter:none}
.brand{gap:10px}.ontos-mark{display:block;flex:none;width:27px;height:27px;color:inherit}
.wordmark{font-size:14px;font-weight:480;letter-spacing:.12em;text-transform:uppercase}.header-actions{gap:34px}.header-actions>a{color:#d0d0cc;font-size:13px;font-weight:400}.header-actions>a:hover,.header-actions>a[aria-current="page"]{color:#fff}
.header-actions .header-pdf,.btn,.paper-menu,.figure-expand{min-height:46px;padding:0 20px;border:1px solid rgba(255,255,255,.38);border-top-color:rgba(255,255,255,.58);border-radius:999px;background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.018));box-shadow:inset 0 1px 0 rgba(255,255,255,.08);color:var(--ontos-white)}
.header-actions .header-pdf{display:inline-flex;align-items:center;justify-content:center;line-height:1;padding-block:0}
.header-actions .header-pdf:hover,.btn:hover,.paper-menu:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.65);transform:none}.paper-menu{display:none}
.hero{min-height:760px;display:flex;align-items:flex-end;background:var(--ontos-black);border-bottom:1px solid var(--ontos-line)}
.hero:before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 72% 50% at 10% 15%,rgba(255,255,255,.055),transparent 65%);pointer-events:none}.hero:after{content:"";position:absolute;inset:auto 0 0;height:38%;background:linear-gradient(transparent,var(--ontos-black));pointer-events:none}
.hero-inner{width:min(1328px,calc(100% - 112px));max-width:none;padding:178px 0 92px;grid-template-columns:minmax(0,1.7fr) minmax(260px,.55fr);gap:clamp(70px,9vw,150px)}
.hero h1{max-width:930px;margin:31px 0 30px;font-size:clamp(58px,7.2vw,108px);font-weight:400;line-height:.91;letter-spacing:-.066em;text-wrap:balance}.subtitle{max-width:670px;color:var(--ontos-copy);font-size:clamp(18px,1.5vw,22px);line-height:1.55}.hero-kicker{gap:12px;color:#a6a6a1;font-size:10px;font-weight:500;letter-spacing:.12em}.hero-kicker .dot{background:#5f5f5b}.hero-footer{margin-top:42px;gap:12px}
.btn{height:48px;justify-content:center;align-items:center;padding-block:0;padding-inline:22px;font-size:13px;font-weight:450;line-height:1}.btn>span{display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;line-height:1}.btn-primary{border-color:var(--ontos-white);background:var(--ontos-white);color:#090909;box-shadow:none}.btn-primary:hover{background:#fff;color:#050505}.hero-side{padding-top:0;border:0}.hero-side div{padding:17px 0;border-bottom:1px solid var(--ontos-soft-line)}.hero-side dt{margin-bottom:7px;color:#72726e;font-size:9px;font-weight:500;letter-spacing:.1em}.hero-side dd{color:#d1d1cd;font-size:13px}
.paper-shell{width:min(1220px,calc(100% - 112px));max-width:none;margin:auto;padding:96px 0 150px;grid-template-columns:220px minmax(0,790px);gap:clamp(70px,9vw,150px)}
.toc{top:28px;padding-top:0}.toc .toc-heading{color:#747470;font-size:9px;font-weight:500;letter-spacing:.12em}.toc-link{padding:10px 0;border:0;color:#747470;font-size:12px;line-height:1.45}.toc-link:hover,.toc-link.active{color:var(--ontos-white)}.toc-link.active{padding-left:0;border:0}.toc-number{color:#4f4f4c;font-size:9px}.toc-footer{border-color:var(--ontos-line)}.toc-footer a{color:var(--ontos-copy)}
.paper{max-width:790px}.abstract{margin-bottom:72px;padding:0 0 54px;border-color:var(--ontos-line)}.abstract .smallcaps,.paper-content .section-eyebrow{color:#777773;font-size:9px;font-weight:500;letter-spacing:.12em}.abstract p{max-width:760px;color:#d0d0cc;font-family:inherit;font-size:20px;line-height:1.68;letter-spacing:-.01em}.research-status{color:#8f8f8a;font-size:12px}.status-dot{background:#d0d0cc}
.paper-content{color:var(--ontos-copy);font-family:inherit;font-size:17px;line-height:1.76}.paper-content section.level1{padding:24px 0 62px;border-bottom:1px solid var(--ontos-soft-line)}.paper-content section.level1:last-of-type{border-bottom:0}.paper-content h1{margin:0 0 30px;color:var(--ontos-white);font-size:clamp(38px,4.3vw,60px);font-weight:400;line-height:1.02;letter-spacing:-.05em}.paper-content h2{margin:52px 0 18px;color:var(--ontos-white);font-size:27px;font-weight:430;letter-spacing:-.035em}.paper-content strong{color:#e4e4df;font-weight:520}.paper-content a:not(.inline-cite){color:var(--ontos-white);text-decoration-color:#666}.paper-content a:hover{color:#fff}.paper-content .inline-cite{color:#c9c9c4}.paper-content p:has(math[display="block"]){border-block:1px solid var(--ontos-soft-line);padding:28px 0}.paper-content .original-figure{margin:44px 0;background:#ecece8;border:0;border-radius:2px;padding:24px 24px 14px}.paper-content .original-figure figcaption{border-color:#c8c8c2;color:#55554f}.paper-content #references,.paper-content #appendix-implementation-and-reproducibility-checklist{border-color:var(--ontos-line)}.paper-content #references li:target{background:#191919;outline-color:#191919}
.interactive-study{margin:48px 0 58px;padding:clamp(20px,3vw,30px);border:1px solid var(--ontos-line);border-radius:18px;background:linear-gradient(145deg,#111,#090909);color:var(--ontos-white);box-shadow:inset 0 1px 0 rgba(255,255,255,.04)}.study-head{border-color:var(--ontos-line)}.mini-kicker,.component-label,.result-label{color:#8e8e89}.study-head p,.component-detail p,.study-caption,.result-explain{color:#989893!important}.example-tag{border:1px solid var(--ontos-line);border-radius:999px;background:transparent;color:#aaa9a4}.node-btn,.component-detail,.error-result{border:1px solid var(--ontos-line);border-radius:12px;background:#0b0b0b;color:#bdbdb8}.node-btn[aria-pressed="true"]{border-color:#e8e8e4;background:#e8e8e4;color:#0a0a0a}.node-num,.component-meta span{color:#73736f}.component-meta{border-color:var(--ontos-line)}.sliders label{color:#aaa9a4}.sliders output{color:#fff}.sliders input{accent-color:#f0f0ec}.reset-small{color:#fff}.error-track{background:#292929}.error-track>span{background:#f0f0ec}.figure-expand{position:absolute;min-height:38px;padding:0 14px;background:#0a0a0acc}
.paper-end{border-color:var(--ontos-line)}.paper-end .end-kicker{color:#7d7d78}.paper-end h2{color:var(--ontos-white);font-size:34px;font-weight:400}.paper-end p{color:var(--ontos-copy)}.paper-end .btn-primary{border-color:var(--ontos-white);background:var(--ontos-white);color:#090909}.paper-end .btn-outline{border-color:#666;color:#fff;background:transparent}
.site-footer{padding:52px max(56px,calc((100vw - 1328px)/2));border-color:var(--ontos-line);background:var(--ontos-black);color:#73736f}.site-footer a{color:var(--ontos-white)}.footer-brand{color:var(--ontos-white);font-size:14px;font-weight:450;letter-spacing:.08em;text-transform:uppercase}.mobile-toc summary,.mobile-toc .toc-inner{border-color:var(--ontos-line);background:#090909;color:var(--ontos-white)}.figure-dialog{background:#0a0a0a;color:#fff}.dialog-close{border-radius:999px;background:#fff;color:#050505}
@media(max-width:1120px){.site-header{padding-inline:34px}.hero-inner,.paper-shell{width:calc(100% - 68px)}.hero-inner{grid-template-columns:minmax(0,1.45fr) minmax(220px,.55fr);gap:55px}.paper-shell{grid-template-columns:190px minmax(0,1fr);gap:55px}}
@media(max-width:900px){html{scroll-padding-top:72px}.site-header{position:absolute;height:72px;padding:0 20px}.header-actions{display:none;position:fixed;inset:72px 0 auto;padding:10px 20px 26px;flex-direction:column;align-items:stretch;gap:0;background:rgba(5,5,5,.98);border-top:1px solid var(--ontos-line)}.header-actions.is-open{display:flex}.header-actions>a{display:flex!important;align-items:center;min-height:54px;border-bottom:1px solid var(--ontos-soft-line)}.header-actions .header-pdf{justify-content:center;margin-top:16px;border:1px solid #5b5b58}.paper-menu{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding-inline:17px}.hero{min-height:auto}.hero-inner{width:calc(100% - 40px);padding:134px 0 72px;display:block}.hero h1{max-width:760px;font-size:clamp(48px,10vw,76px)}.hero-side{display:grid;grid-template-columns:1fr 1fr;gap:0 24px;margin-top:52px}.paper-shell{width:calc(100% - 40px);padding:62px 0 100px;display:block}.toc{display:none}.mobile-toc{display:block;margin-bottom:52px}.mobile-toc summary{padding:15px 18px;border-radius:12px;list-style:none}.mobile-toc[open] summary{border-radius:12px 12px 0 0}.mobile-toc .toc-inner{padding:12px 18px;border-radius:0 0 12px 12px}}
@media(max-width:560px){.ontos-mark{width:25px;height:25px}.wordmark{font-size:13px}.hero-inner{padding-top:118px}.hero h1{margin:25px 0 24px;font-size:clamp(45px,13.4vw,62px);line-height:.94}.subtitle{font-size:17px}.hero-kicker .dot{display:none}.hero-kicker{gap:7px 10px}.hero-footer{align-items:center}.btn{height:48px;min-height:48px;padding-inline:17px}.hero-side{grid-template-columns:1fr;margin-top:42px}.hero-side div{padding:14px 0}.paper-shell{padding-top:44px}.abstract{margin-bottom:55px}.abstract p{font-size:18px;line-height:1.62}.paper-content{font-size:16.5px;line-height:1.72}.paper-content h1{font-size:36px}.paper-content h2{font-size:25px}.interactive-study{margin-inline:-4px;border-radius:14px}.study-head{display:block}.example-tag{display:inline-block;margin-top:16px}.study-grid,.error-grid{grid-template-columns:1fr}.site-footer{padding:42px 20px;align-items:flex-start}}