@font-face{font-family:Lora;src:url('assets/fonts/lora-italic-latin.woff2') format('woff2');font-style:italic;font-weight:400;font-display:swap}
@font-face{font-family:Lora;src:url('assets/fonts/lora-regular-latin.woff2') format('woff2');font-style:normal;font-weight:400;font-display:swap}
@font-face{font-family:LocalSans;src:local('Inter'),local('Helvetica Neue');font-display:swap}
@font-face{font-family:LocalSans;src:local('Inter Medium'),local('HelveticaNeue-Medium'),local('Helvetica Neue Medium');font-style:normal;font-weight:500;font-display:swap}
:root{--bg:#0c111b;--surface:#131c2a;--surface-soft:#182b45;--surface-hover:#1b2d47;--header-bg:#0c111beb;--diagram-bg:#10151c;--border:#29384d;--text:#edf2fa;--muted:#b4c0d2;--subtle:#91a0b6;--primary:#86b5ff;--accent:#79b8f3;--button-fill:#285fb4;--button-hover:#3474d1;--max:1160px;color-scheme:dark}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:var(--text);font:500 16px/1.7 LocalSans,Arial,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:5px}::selection{background:#284d7c;color:#f1f6ff}img,video{max-width:100%;display:block}button{border:none}h1,h2,h3,p,figure{margin:0}h1,h2,h3{line-height:1.13;font-weight:500}h2{font-size:clamp(32px,4vw,49px);letter-spacing:-1.8px}h2 em{font-family:Georgia,'Times New Roman',serif;font-weight:400;color:var(--primary)}.eyebrow{font:11px/1.5 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0}.hero-grid{pointer-events:none;position:absolute;inset:0;background:linear-gradient(180deg,#0c111b00,var(--bg) 85%),radial-gradient(ellipse at 50% 20%,#77aaff14,transparent 65%),repeating-linear-gradient(90deg,transparent 0,transparent 95px,#bcd3f506 95px,#bcd3f506 96px),repeating-linear-gradient(0deg,transparent 0,transparent 95px,#bcd3f506 95px,#bcd3f506 96px)}.hero-inner{position:relative;text-align:center}.hero-eyebrow{display:flex;justify-content:center;align-items:center;gap:10px}.status-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 14px #79b8f326}.draft-label{margin-left:8px;font-size:9px;letter-spacing:1px;color:var(--subtle);border:1px solid var(--border);padding:3px 7px;border-radius:4px}h1{font-size:clamp(60px,9vw,118px);letter-spacing:-6px;margin:20px 0 19px;font-weight:500;line-height:1.1}h1 em{font-family:Georgia,'Times New 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span{color:var(--muted)}.scene-button.active{border-color:var(--primary);background:var(--surface-hover);color:var(--primary)}.scene-button.active span{color:var(--text)}.comparison-shell{border:1px solid var(--border);border-radius:9px;overflow:hidden;background:var(--surface)}.comparison-labels{display:grid;grid-template-columns:repeat(3,1fr);gap:0;padding:15px 0;font-size:12px}.comparison-labels>span{padding:0 18px;display:flex;align-items:center;gap:9px;border-right:1px solid var(--border)}.comparison-labels>span:last-child{border-right:0}.comparison-labels 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#79b8f34d;padding:2px 4px;border-radius:2px;margin-left:4px}.representation>.eyebrow{margin-bottom:21px}.figure-selector{display:flex;gap:25px;border-bottom:1px solid var(--border);margin:31px 0 24px;flex-wrap:wrap}.figure-button{background:transparent;color:var(--subtle);font-size:12px;padding:10px 0 13px;border-bottom:2px solid transparent}.figure-button.active{color:var(--primary);border-color:var(--primary)}.representation-figure{border:1px solid var(--border);border-radius:8px;overflow:hidden;background:var(--surface)}.representation-figure>a{display:block;background:var(--surface);padding:16px}.representation-figure img{width:100%;height:auto;max-height:520px;object-fit:contain}.representation-figure figcaption{padding:14px 18px;display:flex;justify-content:space-between;font-size:10px;color:var(--muted);gap:15px}.representation-figure figcaption>span:last-child{white-space:nowrap;color:var(--primary)}.resources>.eyebrow{margin-bottom:21px}.resources-top{display:flex;justify-content:space-between;align-items:center;gap:35px}.resources-top>p{font-size:13px;color:var(--muted)}.resource-list{margin-top:39px;border-top:1px solid var(--border)}.resource-list>div{display:grid;grid-template-columns:50px 1fr 1.3fr auto;align-items:center;gap:15px;padding:22px 0;border-bottom:1px solid var(--border)}.resource-symbol{font-size:25px;color:var(--primary)}.resource-list h3{font-size:19px}.resource-list p{font-size:12px;color:var(--subtle)}.coming-soon{font-size:10px;border:1px solid var(--border);border-radius:20px;color:var(--subtle);padding:4px 13px}.citation-note{display:flex;align-items:center;gap:35px;margin-top:31px}.citation-note p{font-size:12px;color:var(--subtle)}footer{max-width:var(--max);margin:auto;display:flex;align-items:center;justify-content:space-between;gap:25px;padding:32px 0 43px}footer p{font-size:10px;line-height:1.8;color:var(--muted)}footer p span{color:var(--subtle)}footer>a:last-child{font-size:11px;color:var(--muted)}.noscript-notice{text-align:center;color:var(--muted);font-size:12px;padding:15px}
@media(min-width:1450px){.hero{padding-top:80px}}
@media(max-width:1240px){.section,footer{margin-left:40px;margin-right:40px}.hero{padding-left:40px;padding-right:40px}.results-grid{gap:30px}.results h2{font-size:34px}}
@media(max-width:900px){.hero{padding-top:48px}h1{letter-spacing:-4px}.overview{gap:35px}.results-grid{grid-template-columns:1fr}.results-table-wrap{margin-top:10px}.comparison-labels small{display:none}.resource-list>div{grid-template-columns:35px 1fr auto}.resource-list p{display:none}.principles,.method-notes{gap:25px}footer p{max-width:260px}}
@media(max-width:600px){html{scroll-padding-top:80px}.site-header{height:66px;padding:0 21px}.wordmark{font-size:15px}.site-header nav{display:none}.hero{padding:41px 21px 0}.hero-eyebrow{font-size:8px;letter-spacing:1px;gap:7px;flex-wrap:wrap}.draft-label{font-size:7px}h1{font-size:61px;letter-spacing:-3.7px;margin-top:24px}.hero-subtitle{font-size:20px}.hero-description{font-size:12px;margin-top:17px}.authors{gap:8px 16px;max-width:360px;font-size:12px;margin-top:25px}.affiliations{gap:5px 12px;font-size:10.5px;max-width:340px;margin:auto}.hero-actions{margin-top:25px;gap:8px}.button{font-size:11px;padding:10px 15px;gap:20px}.release-note{flex-basis:100%;margin-top:3px}.section{margin-left:21px;margin-right:21px;padding:40px 0}.overview{grid-template-columns:1fr;gap:26px}.overview-copy{font-size:16px}.section-heading .eyebrow{margin-bottom:18px}h2{font-size:32px;letter-spacing:-1px}.principles{grid-template-columns:1fr;gap:25px;margin-top:0;padding-top:24px}.principles article{display:grid;grid-template-columns:32px 1fr;gap:6px 15px}.principle-number{grid-row:1/3;margin:0}.principles h3{font-size:17px;margin:0}.principles p{grid-column:2;max-width:none;font-size:12px}.section-topline{align-items:flex-start;gap:10px}.small-note{font-size:9px;max-width:135px;text-align:right}.eyebrow{font-size:9px;letter-spacing:1.5px}.section-intro{font-size:13px;margin-top:17px}.scene-buttons{gap:6px;margin-top:24px}.scene-button{padding:8px 9px;font-size:9px;gap:5px}.comparison-labels{font-size:9px;padding:11px 0}.comparison-labels>span{padding:0 8px;gap:5px}.comparison-caption{flex-direction:column;gap:5px;font-size:11px}.disclosure{font-size:9px}.method-notes{grid-template-columns:1fr;gap:25px}.method-notes article{display:grid;grid-template-columns:25px 1fr;gap:7px 10px}.method-notes article>span{grid-row:1/3;margin:0}.method-notes h3{margin:0}.method-notes p{grid-column:2;font-size:12px}.results h2{font-size:31px}.result-highlight strong{font-size:45px}table{font-size:10px}th,td{padding:12px 5px}.our-result th span{display:none}caption{font-size:13px}.figure-selector{gap:21px;margin-top:24px}.figure-button{font-size:11px}.representation-figure>a{padding:7px}.representation-figure figcaption{font-size:9px;padding:12px;align-items:flex-start}.representation-figure figcaption>span:first-child{max-width:220px}.resources-top{flex-direction:column;align-items:flex-start;gap:21px}.resources-top>p{font-size:12px}.resource-list{margin-top:26px}.resource-list>div{gap:10px;grid-template-columns:25px 1fr auto;padding:20px 0}.resource-list h3{font-size:16px}.coming-soon{font-size:8px;padding:3px 9px}.resource-symbol{font-size:21px}.citation-note{align-items:flex-start;flex-direction:column;gap:9px}.citation-note p{font-size:11px}footer{margin:0 21px;flex-wrap:wrap;padding:28px 0;gap:19px}footer p{order:3;max-width:none;flex-basis:100%;font-size:9px}footer>a:last-child{font-size:10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}

.method-figure{margin-top:35px;border:1px solid var(--border);border-radius:10px;overflow:hidden;background:var(--surface)}
.method-figure-media{display:block;padding:24px;background:var(--diagram-bg);overflow-x:auto;overscroll-behavior-x:contain}
.method-diagram{display:block;width:100%;height:auto;min-width:800px}.diagram-scroll-hint{display:none;padding:12px 14px 0;font-size:10px;color:var(--muted)}
.method-figure figcaption{display:flex;align-items:flex-start;justify-content:space-between;gap:28px;padding:18px 22px;font-size:12px;color:var(--muted)}
.method-figure figcaption p{max-width:820px}
.method-figure figcaption strong{color:var(--text);font-weight:500}
.method-figure figcaption a{white-space:nowrap;color:var(--primary);font-size:11px}
.method-figure figcaption a:hover{text-decoration:underline}
@media(max-width:600px){.method-figure{margin-top:24px}.method-figure-media{padding:10px}.diagram-scroll-hint{display:block}.method-figure figcaption{flex-direction:column;gap:12px;padding:14px;font-size:11px}.method-figure figcaption a{font-size:11px}}

.method-figure-media:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}

.additional-benchmarks{margin-top:52px;padding-top:40px;border-top:1px solid var(--border);scroll-margin-top:100px}
.additional-benchmarks>h3{font-size:28px;letter-spacing:-.8px}
.benchmark-intro{font-size:13px;color:var(--muted);max-width:720px;margin-top:14px}
.benchmark-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:26px;align-items:start}
.benchmark-card{min-width:0;background:var(--surface);border:1px solid var(--border);border-radius:9px;padding:24px 20px 12px}
.benchmark-card caption{font-size:20px;letter-spacing:-.4px;margin-bottom:20px}
.benchmark-card caption span{letter-spacing:0}
.benchmark-card table{font-size:12px;font-variant-numeric:tabular-nums;line-height:1.5}
.benchmark-card th,.benchmark-card td{padding:12px 8px}
.benchmark-card th:first-child{width:43%;white-space:normal}
.benchmark-card thead th{font-size:10px;white-space:normal;vertical-align:bottom}
.benchmark-card td:last-child{color:var(--accent);font-weight:500}
.benchmark-card tbody tr:last-child th,.benchmark-card tbody tr:last-child td{border-bottom:0}
.benchmark-card .benchmark-summary{background:var(--surface-soft)}
.benchmark-card .benchmark-summary th{color:var(--accent);font-weight:500}
.benchmark-protocol{font-size:11px;color:var(--muted);margin-top:21px}
.additional-benchmarks>.disclosure{margin-top:8px}
@media(max-width:1000px){.benchmark-grid{grid-template-columns:1fr}.benchmark-card{padding:24px}.benchmark-card th:first-child{width:50%}}
@media(max-width:600px){.additional-benchmarks{margin-top:35px;padding-top:30px;scroll-margin-top:80px}.additional-benchmarks>h3{font-size:24px}.benchmark-intro{font-size:12px}.benchmark-grid{gap:16px;margin-top:21px}.benchmark-card{padding:20px 16px 10px}.benchmark-card caption{font-size:18px}.benchmark-card th:first-child{width:43%}.benchmark-card th,.benchmark-card td{padding:11px 6px}.benchmark-protocol{font-size:10px}}

.benchmark-delta{display:inline-block;margin-left:4px;font-size:10px;font-weight:500;color:var(--accent)}
@media(min-width:1001px){.benchmark-card th:first-child{width:36%}.benchmark-card th,.benchmark-card td{padding-left:6px;padding-right:6px}}
@media(max-width:600px){.benchmark-delta{display:block;margin-left:0;margin-top:2px;font-size:9px}}

.results td,.results thead th:not(:first-child){text-align:center}

.hero h1,.hero h1 em{font-family:Lora,Georgia,serif;font-weight:400;letter-spacing:-.025em}
.hero-subtitle{font-family:Lora,Georgia,serif;font-weight:400;font-style:normal}

.author-note{margin-top:9px;font-size:11px;line-height:1.5;color:var(--subtle)}
@media(max-width:600px){.author-note{font-size:10px}}

.resource-badges{gap:10px}
.resource-badge{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-width:112px;padding:9px 19px;border:1px solid var(--border);border-radius:999px;background:var(--surface);color:var(--text);font-size:13px;font-weight:500;line-height:1.5}
.resource-badge svg{width:17px;height:17px;flex-shrink:0;color:var(--primary)}
.resource-badge{transition:border-color .2s,background .2s}
.resource-badge:hover{border-color:var(--primary);background:var(--surface-hover)}
.resource-badge-mark{font-family:Arial,sans-serif;font-size:16px;font-weight:600;line-height:1;color:var(--primary)}
.resource-badge sup.resource-badge-mark{position:relative;top:-1px;margin-left:4px;vertical-align:baseline}
.resource-badges-note .resource-badge-mark{display:inline-block;margin-right:2px;vertical-align:-.15em}
.resource-badges-note{flex-basis:100%;margin-top:4px;font-size:11px;line-height:1.5;color:var(--muted)}
@media(max-width:600px){.resource-badges{gap:8px}.resource-badge{min-width:96px;padding:9px 14px;gap:7px;font-size:12px}.resource-badge svg{width:15px;height:15px}.resource-badges-note{font-size:11px}}

.nav-toggle{display:none;align-items:center;gap:9px;justify-self:end;border:1px solid var(--border);border-radius:999px;padding:8px 13px;background:var(--surface);font-size:12px;line-height:1.5;color:var(--text)}
.nav-toggle svg{width:17px;height:17px;color:var(--primary)}
.nav-icon-close{display:none}
.nav-toggle:hover{border-color:var(--primary);background:var(--surface-hover)}
@media(max-width:900px){
  .site-header{grid-template-columns:minmax(0,1fr) auto}
  .nav-toggle{display:inline-flex;grid-column:2}
  .site-header nav{display:none;position:absolute;top:calc(100% + 8px);right:4.3%;width:min(260px,calc(100vw - 42px));padding:8px;gap:3px;border:1px solid var(--border);border-radius:12px;background:var(--surface);box-shadow:0 12px 30px #00000040}
  .site-header[data-nav-open="true"] nav{display:flex;flex-direction:column}
  .site-header nav a{padding:10px 13px;border-radius:7px;font-size:14px;line-height:1.5}
  .site-header nav a:hover,.site-header nav a.active{background:var(--surface-hover);color:var(--primary)}
  .site-header[data-nav-open="true"] .nav-icon-open{display:none}
  .site-header[data-nav-open="true"] .nav-icon-close{display:block}
}
@media(max-width:600px){.site-header nav{right:21px}}

.hero-tagline,.hero-method{display:block;font-size:16px;line-height:1.6;color:var(--text)}
.hero-tagline{font-weight:500;text-decoration-line:underline;text-decoration-color:#6085b5;text-decoration-thickness:1px;text-underline-offset:4px;text-decoration-skip-ink:auto}
.hero-method{max-width:760px;margin:7px auto 0;font-weight:500}
@media(max-width:600px){.hero-tagline,.hero-method{font-size:14px}.hero-method{margin-top:6px}}

.overview .section-heading{container-type:inline-size}
.overview h2{font-size:min(36px,10cqi);line-height:1.2;letter-spacing:-.03em;text-wrap:wrap}
@media(max-width:600px){.overview h2{font-size:min(30px,10cqi)}}

.method{padding-bottom:32px}
.method-layout{display:grid;grid-template-columns:minmax(0,.4fr) minmax(0,.6fr);gap:36px;align-items:center}
.method-title{font-size:32px;line-height:1.18;letter-spacing:-1px;text-wrap:wrap;margin-bottom:28px}
.method-copy .section-intro{font-size:16px;line-height:1.65;margin-top:0}
.method-details{margin-top:26px;padding-top:12px;border-top:1px solid var(--border)}
.method-details-header{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:4px 16px;border-bottom:1px solid var(--border)}
.method-details-header>.eyebrow{white-space:nowrap}
.method-tabs{display:flex;gap:16px}
.method-tabs[hidden],.method-detail-panel[hidden]{display:none}
.method-tabs button{background:transparent;color:var(--muted);font-size:14px;line-height:1.4;padding:10px 0 12px;border-bottom:2px solid transparent;margin-bottom:-1px;transition:color .15s,border-color .15s}
.method-tabs button:hover{color:var(--primary)}
.method-tabs button[aria-selected="true"]{color:var(--primary);border-color:var(--primary);font-weight:600}
.method-tabs button:focus-visible{outline-offset:2px;border-radius:2px}
.method-detail-panels[data-tabs-ready="true"]{display:grid}
.method-detail-panels[data-tabs-ready="true"]>.method-detail-panel{grid-area:1/1;align-self:start;min-width:0;visibility:hidden;pointer-events:none}
.method-detail-panels[data-tabs-ready="true"]>.method-detail-panel[data-active="true"]{visibility:visible;pointer-events:auto}
.method-detail-panel{padding-top:20px}
.method-detail-panel strong{font-weight:600;color:var(--text)}
.method-detail-panel p{font-size:15px;line-height:1.65;color:var(--muted)}
.method-layout .method-figure{min-width:0;margin-top:0;background:#10151c;border:0;border-radius:0}
.method-layout .method-figure-media{padding:14px}
.method-layout .method-diagram{min-width:0}
.method-layout .method-figure figcaption{display:flex;flex-direction:row;align-items:center;justify-content:flex-end;gap:0;padding:5px 12px;font-size:9px;line-height:1.4}
.method-layout .method-figure figcaption a{display:inline-flex;gap:4px;margin-top:0;font-size:inherit;color:var(--subtle)}
.method-layout .method-figure figcaption a:hover{color:var(--primary)}
@media(max-width:1000px){.method-layout{grid-template-columns:minmax(0,1fr);gap:28px}.method-copy .section-intro{max-width:700px}.method-detail-panels{max-width:640px}.method-layout .method-diagram{min-width:800px}.method-layout .diagram-scroll-hint{display:block}}
@media(max-width:600px){.method{padding-bottom:28px}.method-title{font-size:30px;margin-bottom:22px}.method-copy .section-intro{font-size:14px}.method-details{margin-top:22px;padding-top:12px}.method-tabs{gap:12px}.method-tabs button{font-size:14px}.method-detail-panel p{font-size:14px}.method-layout .method-figure-media{padding:10px}}

/* Keep the project introduction above the first chapter, with room to grow on small screens. */
.hero{display:grid;align-items:center;min-height:calc(100vh - 78px);min-height:calc(100svh - 78px);padding-top:48px;padding-bottom:48px}
@media(max-width:600px){.hero{min-height:calc(100vh - 66px);min-height:calc(100svh - 66px);padding-top:32px;padding-bottom:32px}}

/* A short, decorative introduction; the real page remains available underneath. */
.hero-intro{position:fixed;inset:0;z-index:100;display:grid;place-items:center;overflow:hidden;pointer-events:none;opacity:1;transition:opacity 595ms ease}
.hero-intro::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 58% 48%,#18305366,transparent 62%),var(--bg);transition:opacity 765ms ease}
.hero-intro.is-leaving{opacity:0}
.hero-intro-visual{position:relative;width:100%;text-align:center;max-height:100%;padding:32px 0}
.intro-eyebrow{font:10px/1.5 Arial,sans-serif;letter-spacing:3px;color:var(--subtle)}
.intro-brand{font:400 clamp(48px,9vw,100px)/1.2 Lora,Georgia,serif;letter-spacing:-.025em;margin-top:14px}
.intro-brand em{color:var(--primary)}
.intro-brand>.intro-dot{color:var(--accent)}
.intro-word,.intro-dot{display:inline-block;transform-origin:0 0}
.intro-graphic{display:block;width:min(1100px,96vw);height:auto;max-height:46vh;margin:4px auto 0;overflow:visible}
:is(.hero-intro,.idea-figure) .time-axis{stroke:#39485d;stroke-width:1.5}
:is(.hero-intro,.idea-figure) .time-chunk rect{fill:#182230;stroke:#6c7b91;stroke-width:1.5}
:is(.hero-intro,.idea-figure) .past-chunk{opacity:.5}
:is(.hero-intro,.idea-figure) .current-chunk rect{fill:#354153;stroke:#c3cddc;stroke-width:2}
:is(.hero-intro,.idea-figure) .frame-mark{stroke:#a4b2c6;stroke-width:1.5}
:is(.hero-intro,.idea-figure) .time-label{font:17px Arial,sans-serif;fill:#b4c0d2;text-anchor:middle}
:is(.hero-intro,.idea-figure) .supervision-label{font:12px Arial,sans-serif;letter-spacing:1.4px;text-anchor:middle;fill:#c3cddc}
:is(.hero-intro,.idea-figure) .supervision-subtitle{font:11px Arial,sans-serif;fill:#91a0b6;text-anchor:middle}
:is(.hero-intro,.idea-figure) .current-supervision>path{stroke:#c3cddc;stroke-width:1.5}
:is(.hero-intro,.idea-figure) .source-anchor>path{stroke:#6bc7a1;stroke-width:1.5}
:is(.hero-intro,.idea-figure) .source-anchor>rect{fill:#183c34;stroke:#6bc7a1;stroke-width:1.5}
:is(.hero-intro,.idea-figure) .source-symbol{font:italic 21px Georgia,serif;fill:#b0ebd4;text-anchor:middle}
:is(.hero-intro,.idea-figure) .source-label{font:12px Arial,sans-serif;fill:#8dd7b9;text-anchor:middle}
:is(.hero-intro,.idea-figure) .future-chunk rect{fill:#1c3c64;stroke:#82b4ff;stroke-width:2}
:is(.hero-intro,.idea-figure) .future-chunk .frame-mark{stroke:#abcfff}
:is(.hero-intro,.idea-figure) .future-chunk .time-label{fill:#abcfff}
:is(.hero-intro,.idea-figure) .future-placeholder, :is(.hero-intro,.idea-figure) .unsupervised-chunk{stroke:#40516b;stroke-width:1.3;stroke-dasharray:5 6;opacity:.35}
:is(.hero-intro,.idea-figure) .look-path, :is(.hero-intro,.idea-figure) .source-distribution{stroke:#82b4ff;stroke-width:2;stroke-linecap:round}
:is(.hero-intro,.idea-figure) .horizon-extension{stroke:#82b4ff;stroke-width:1.7}
:is(.hero-intro,.idea-figure) .future-horizon .supervision-label, :is(.hero-intro,.idea-figure) .extra-supervision .supervision-label{fill:#a6caff}

:is(.hero-intro,.idea-figure) .prediction-arrowhead{fill:#82b4ff;stroke:none}
:is(.hero-intro,.idea-figure) .rolling-ramp{stroke-linecap:round;stroke-linejoin:round}
:is(.hero-intro,.idea-figure) .rolling-ball{fill:none;stroke:#c3cddc;stroke-width:1.5}
:is(.hero-intro,.idea-figure) .future-chunk .rolling-ball{stroke:#abcfff}


.hero-intro .past-chunk{animation:past-in 0.68s 0.085s both}
.hero-intro .current-chunk{animation:current-focus 1.445s 0.34s both}
.hero-intro .source-anchor{animation:horizon-in 0.68s 1.02s both}
.hero-intro .future-chunk{animation:future-in 0.595s 2.38s both}
.hero-intro .source-distribution{stroke-dasharray:1;animation:horizon-draw 0.85s 1.53s linear both}
.hero-intro .look-path{stroke-dasharray:1;animation:horizon-draw 0.595s 2.38s linear both}
.hero-intro .horizon-extension{stroke-dasharray:1;animation:horizon-draw 1.87s 1.36s both}
.hero-intro .future-horizon>.supervision-label,.hero-intro .future-horizon>.supervision-subtitle,.hero-intro .extra-supervision>.supervision-label{animation:horizon-in 0.765s 2.72s both}
.hero-intro .current-supervision{animation:horizon-in 0.595s 0.2975s both}
@keyframes past-in{from{opacity:0}to{opacity:.5}}
@keyframes horizon-in{from{opacity:0}to{opacity:1}}
@keyframes current-focus{0%{opacity:0}40%,70%{opacity:1;filter:drop-shadow(0 0 6px #c3cddc44)}100%{opacity:1;filter:none}}
@keyframes future-in{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}
@keyframes horizon-draw{from{opacity:0;stroke-dashoffset:1}15%{opacity:1}to{opacity:1;stroke-dashoffset:0}}
.hero-intro .prediction-arrowhead{animation:prediction-tip-in 0.595s 2.38s linear both}
@keyframes prediction-tip-in{0%,85%{opacity:0;transform:translateY(6px)}100%{opacity:1;transform:translateY(0)}}
.intro-tagline{font:400 clamp(15px,2vw,19px)/1.5 Lora,Georgia,serif;color:var(--muted);opacity:0;animation:intro-source-in 595ms 3060ms ease forwards}
.intro-skip{position:absolute;right:28px;bottom:max(24px,env(safe-area-inset-bottom));display:inline-flex;align-items:center;gap:16px;background:transparent;color:var(--muted);font-size:12px;min-height:44px;padding:8px 12px;pointer-events:auto}
.intro-skip:hover{color:var(--primary)}
/* The final 1.5-second hold shares the 4.25s start with the intro timer. */
.intro-progress{position:absolute;left:50%;bottom:max(45px,calc(env(safe-area-inset-bottom) + 21px));width:100px;height:2px;transform:translateX(-50%);overflow:hidden;border-radius:2px;background:#86b5ff24;opacity:0;animation:intro-source-in 250ms 4250ms ease forwards}
.intro-progress-fill{display:block;width:100%;height:100%;border-radius:inherit;background:var(--primary);transform:scaleX(0);transform-origin:left;animation:intro-hold-progress 1500ms 4250ms linear forwards}
@keyframes intro-hold-progress{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.hero-intro.is-handoff .intro-progress,.hero-intro.is-leaving .intro-progress{opacity:0;animation:none;transition:opacity 300ms ease}
.hero-inner{transition:opacity 552.5ms ease,transform 552.5ms ease}
body[data-intro="playing"] .hero-inner{opacity:0;transform:translateY(8px)}
body[data-intro="handoff"] .hero-inner{transform:none;transition:opacity 552.5ms ease}
body[data-intro="handoff"] #project-title{visibility:hidden}
.hero-intro.is-handoff::before{opacity:0}
.hero-intro.is-handoff .intro-graphic,.hero-intro.is-handoff .intro-eyebrow,.hero-intro.is-handoff .intro-tagline,.hero-intro.is-handoff .intro-skip{opacity:0;animation:none;transition:opacity 297.5ms ease}
@keyframes intro-source-in{from{opacity:0}to{opacity:1}}
@media(max-width:600px){.intro-graphic{width:96vw;max-height:40vh;margin:18px auto 10px}.intro-labels{font-size:13px;letter-spacing:1px}.intro-skip{right:12px}.intro-eyebrow{font-size:9px;letter-spacing:2px}}
@media(max-height:500px){.hero-intro-visual{padding:16px 0}.intro-brand{font-size:48px;margin-top:8px}.intro-graphic{max-height:48vh;margin:0 auto}.intro-tagline{font-size:14px}}
@media(prefers-reduced-motion:reduce){.hero-intro{display:none}.hero-inner{transition:none}body[data-intro="playing"] .hero-inner{opacity:1;transform:none}}

/* Table 2: give both conditioning settings equal space in the main results. */
.controlled-results-heading{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.controlled-results-heading .section-intro{margin-top:0;font-size:16px;line-height:1.8;color:var(--muted)}
.controlled-protocol{display:flex;flex-wrap:wrap;gap:8px 20px;margin:24px 0;color:var(--subtle);font-size:12px}
.controlled-protocol span{display:inline-flex;align-items:center;gap:8px}
.controlled-protocol span::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--primary)}
.controlled-results-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.controlled-card{min-width:0;padding:26px 24px 14px;background:var(--surface);border:1px solid var(--border);border-radius:10px}
.controlled-card-heading{display:flex;align-items:center;justify-content:space-between;gap:16px}
.controlled-card-heading h3{font-size:22px;letter-spacing:-.5px}
.controlled-card-heading>span{font-size:11px;letter-spacing:1.2px;color:var(--primary)}
.controlled-conditioning{font-size:13px;color:var(--subtle);margin-top:8px}
.controlled-score{display:flex;align-items:baseline;flex-wrap:wrap;gap:12px;margin-top:22px;font-variant-numeric:tabular-nums;line-height:1.2}
.controlled-baseline{font-size:34px;color:var(--muted)}
.controlled-arrow{font-size:26px;color:var(--subtle)}
.controlled-score strong{font-size:46px;letter-spacing:-1.5px;font-weight:500;color:var(--primary)}
.controlled-gain{font-size:13px;color:var(--primary);margin-left:auto}
.controlled-score-note{font-size:11px;color:var(--subtle);margin:10px 0 24px}
.controlled-table-scroll{overflow-x:auto;overscroll-behavior-x:contain}
.controlled-card table{font-size:13px;font-variant-numeric:tabular-nums;line-height:1.5;text-align:center}
.controlled-card thead{font-size:11px}
.controlled-card th,.controlled-card td{padding:14px 8px;vertical-align:middle}
.controlled-card th:first-child{text-align:left;white-space:normal;min-width:135px}
.controlled-card td{min-width:57px}
.controlled-card .our-result{color:var(--primary)}
.controlled-card .our-result th,.controlled-card .our-result td{font-weight:600}
.controlled-delta{display:block;font-size:10px;line-height:1.4;margin-top:3px;color:var(--primary)}
.controlled-results-note{font-size:12px;line-height:1.7;color:var(--muted);margin-top:18px;max-width:1040px}
.results>.disclosure{margin-top:8px}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
@media(max-width:1000px){.controlled-results-grid{grid-template-columns:1fr}.controlled-results-heading{grid-template-columns:1fr;gap:20px}.controlled-results-heading .section-intro{max-width:760px}}
@media(max-width:600px){.controlled-card{padding:22px 16px 12px}.controlled-card-heading h3{font-size:21px}.controlled-results-heading .section-intro{font-size:15px}.controlled-results-grid{gap:18px}.controlled-protocol{font-size:11px;gap:7px 14px}.controlled-score strong{font-size:42px}.controlled-baseline{font-size:30px}.controlled-score{gap:9px}.controlled-gain{font-size:12px}.controlled-card th,.controlled-card td{padding:12px 6px}.controlled-card table{font-size:12px}.controlled-card th:first-child{min-width:125px}.controlled-card td{min-width:50px}.controlled-results-note{font-size:11px}}

.controlled-chart{margin:28px 0 24px;padding:24px 24px 14px;background:var(--surface);border:1px solid var(--border);border-radius:10px}
.controlled-chart-header{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
.controlled-chart-header h3{font-size:19px;letter-spacing:-.4px;line-height:1.4}
.iq-chart-legend{display:flex;flex-wrap:wrap;gap:12px 20px;font-size:12px;color:var(--muted)}
.iq-chart-legend span{display:inline-flex;align-items:center;gap:8px}
.iq-chart-legend i{display:block;width:10px;height:10px;border-radius:2px}
.iq-key-baseline{background:#64748b}.iq-key-fcp{background:#86b5ff}
.iq-chart-scroll{overflow-x:auto;overscroll-behavior-x:contain;margin-top:26px}
.iq-comparison-chart{display:block;width:100%;min-width:560px;height:auto}
.iq-gridline{fill:none;stroke:#304057;stroke-width:1}
.iq-axis-label{fill:#91a0b6;font:13px Arial,sans-serif}
.iq-axis-title{fill:#b4c0d2;font:13px Arial,sans-serif}
.iq-bar-baseline{fill:#64748b}.iq-bar-fcp{fill:#86b5ff;stroke:#b8d5ff;stroke-width:1.5}
.iq-value{font:500 20px Arial,sans-serif;font-variant-numeric:tabular-nums}
.iq-value-baseline{fill:#c2ccdb}.iq-value-fcp{fill:#b8d4ff}
.iq-chart-gain{fill:#b8d5ff;font:600 25px Arial,sans-serif}
.iq-group-label{fill:#edf2fa;font:16px Arial,sans-serif}
.controlled-chart figcaption{font-size:11px;color:var(--subtle);text-align:center;margin:0 0 4px}
.controlled-conditioning{margin-bottom:22px}
@media(max-width:600px){.controlled-chart{padding:20px 14px 14px}.controlled-chart-header h3{font-size:17px}.iq-chart-legend{font-size:11px}.iq-chart-scroll{margin-top:20px}.controlled-chart figcaption{font-size:10px;text-align:left}}

.iq-gain-pill{fill:#86b5ff1f;stroke:#86b5ff40}
.iq-absolute-gain{fill:#b8d5ff;font:13px Arial,sans-serif}
.iq-bar-label{fill:#aab8cb;font:11px Arial,sans-serif}
.iq-bar-label-ours{fill:#b8d5ff;font-weight:600}

.controlled-shared-legend{margin:0 0 18px}
.controlled-task-figure{margin:18px 0 22px}
.controlled-task-figure .iq-task-chart{width:100%;min-width:0}
.controlled-task-figure .iq-axis-label{font-size:12px}
.controlled-task-figure .iq-bar-label{font-size:12px}

/* Compact main results: gains move into the card heading, plots keep their scale. */
.controlled-results-heading{gap:32px}
.results .controlled-results-heading h2{font-size:36px;line-height:1.2;letter-spacing:-.03em}
.controlled-results-heading .section-intro{font-size:15px;line-height:1.7}
.controlled-results-toolbar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px 24px;margin:18px 0}
.controlled-results-toolbar .controlled-protocol,.controlled-results-toolbar .controlled-shared-legend{margin:0}
.controlled-results-grid{gap:20px}
.controlled-card{padding:18px 20px 10px}
.controlled-card-heading h3{font-size:20px}
.controlled-card-heading .controlled-card-gain{display:flex;align-items:baseline;gap:9px;letter-spacing:0;white-space:nowrap}
.controlled-card-gain strong{font-size:22px;font-weight:600;color:var(--primary)}
.controlled-card-gain small{font-size:12px;color:var(--muted)}
.controlled-conditioning{margin:4px 0 0;font-size:12px}
.controlled-task-figure{margin:8px 0 10px}
.controlled-task-figure .iq-task-chart{max-height:205px}
.controlled-card th,.controlled-card td{padding-top:9px;padding-bottom:9px}
.controlled-results-note{margin-top:12px;font-size:11px}
@media(max-width:600px){.results .controlled-results-heading h2{font-size:30px}.controlled-results-heading{gap:14px}.controlled-card{padding:16px 14px 8px}.controlled-card-heading h3{font-size:18px}.controlled-card-gain strong{font-size:20px}.controlled-card-gain small{font-size:11px}.controlled-results-toolbar{margin:16px 0;gap:10px}.controlled-task-figure .iq-task-chart{max-height:180px}.controlled-card th,.controlled-card td{padding-top:8px;padding-bottom:8px}}


/* A tapered ribbon gives the lift arrow a fine tail and stronger leading edge. */
.iq-improvement-ribbon{stroke:none}
/* Result arrows animate when their card first enters the viewport. */
@keyframes iq-tapered-reveal{from{clip-path:inset(0 100% 0 0);opacity:.3}to{clip-path:inset(0);opacity:1}}

.idea-figure{grid-column:1/-1;min-width:0}
.idea-diagram-scroll{overflow-x:auto;overscroll-behavior-x:contain}
.idea-diagram{display:block;width:100%;min-width:640px;max-width:1040px;height:auto;margin:auto}
.idea-figure figcaption{display:flex;justify-content:space-between;align-items:center;gap:18px;font-size:12px;color:var(--subtle);margin-top:4px}
.idea-replay{background:transparent;color:var(--muted);font-size:12px;padding:8px 0 8px 12px;min-height:40px;white-space:nowrap}
.idea-replay:hover{color:var(--primary)}
.idea-replay[hidden]{display:none}
.idea-figure.is-playing .past-chunk{animation:past-in 0.68s 0.085s both}
.idea-figure.is-playing .current-chunk{animation:current-focus 1.445s 0.34s both}
.idea-figure.is-playing .source-anchor{animation:horizon-in 0.68s 1.02s both}
.idea-figure.is-playing .future-chunk{animation:future-in 0.595s 2.38s both}
.idea-figure.is-playing .source-distribution{stroke-dasharray:1;animation:horizon-draw 0.85s 1.53s linear both}
.idea-figure.is-playing .look-path{stroke-dasharray:1;animation:horizon-draw 0.595s 2.38s linear both}
.idea-figure.is-playing .horizon-extension{stroke-dasharray:1;animation:horizon-draw 1.87s 1.36s both}
.idea-figure.is-playing .future-horizon>.supervision-label,.idea-figure.is-playing .future-horizon>.supervision-subtitle,.idea-figure.is-playing .extra-supervision>.supervision-label{animation:horizon-in 0.765s 2.72s both}
.idea-figure.is-playing .current-supervision{animation:horizon-in 0.595s 0.2975s both}
.idea-figure.is-playing .prediction-arrowhead{animation:prediction-tip-in 0.595s 2.38s linear both}
@media(max-width:600px){.idea-figure figcaption{font-size:11px;align-items:flex-start}.idea-replay{font-size:11px}.idea-diagram{min-width:640px}}
@media(prefers-reduced-motion:reduce){.idea-figure.is-playing *{animation:none!important}}

/* Keep the concept illustration secondary to the Idea's text. */
.overview{row-gap:20px}
.idea-figure{width:100%;max-width:860px;justify-self:center}
.idea-diagram{width:100%;max-width:860px;max-height:220px;min-width:620px}
.idea-figure .supervision-label{font-size:15px;letter-spacing:1px}
.idea-figure .supervision-subtitle,.idea-figure .source-label{font-size:14px}
.idea-figure figcaption{margin-top:0;font-size:11px}
.idea-replay{min-height:32px;padding-top:4px;padding-bottom:4px;font-size:11px}
@media(max-width:600px){.overview{row-gap:18px}.idea-diagram{min-width:620px;max-height:none}.idea-figure figcaption{gap:12px;font-size:10px}}

/* Pair the Idea headline with its illustration, then let the prose follow. */
.overview{display:block}
.idea-top-row{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:32px;align-items:center}
.idea-top-row .section-heading{min-width:0}
.idea-top-row .idea-figure{grid-column:auto;max-width:none;min-width:0;width:100%;justify-self:stretch}
.idea-top-row .idea-diagram{min-width:0;max-width:none;max-height:none}
.overview>.overview-copy{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;margin-top:28px}
.overview>.overview-copy p+p{margin-top:0}
@media(max-width:900px){.idea-top-row{grid-template-columns:minmax(0,.75fr) minmax(0,1.25fr);gap:24px}.idea-top-row .section-heading h2{font-size:30px}.overview>.overview-copy{gap:24px}}
@media(max-width:700px){.idea-top-row{grid-template-columns:1fr;gap:20px}.idea-top-row .idea-figure{width:100%}.idea-top-row .idea-diagram{min-width:580px}.overview>.overview-copy{grid-template-columns:1fr;gap:18px;margin-top:22px}}

/* Two editorial paragraphs: a clear premise followed by the proposed direction. */
.overview>.overview-copy{gap:48px;margin-top:30px;font-size:17px;line-height:1.85;align-items:start}
.overview>.overview-copy>p{padding-top:16px;border-top:1px solid var(--border);max-width:58ch;text-wrap:pretty}
.overview-copy .idea-paragraph-lead{font-weight:600;color:var(--text)}
.overview-copy .idea-paragraph-lead-blue{color:var(--primary)}
@media(max-width:900px){.overview>.overview-copy{gap:28px;font-size:16px}}
@media(max-width:700px){.overview>.overview-copy{gap:20px;font-size:16px;line-height:1.8;margin-top:24px}.overview>.overview-copy>p{max-width:none;padding-top:14px}}

/* Use a consistent medium weight for body copy and tabular text. */
th,td{font-weight:500}

/* One body-copy weight across the entire page, including supporting text. */
body p:not(.intro-brand):not(.eyebrow),
body figcaption,body caption,
body table :is(th,td),
body .authors,body .affiliations,
body .hero-description span,
body .benchmark-delta{font-weight:500}
:is(.hero-intro,.idea-figure) :is(.time-label,.supervision-label,.supervision-subtitle,.source-label),
body .iq-comparison-chart :is(.iq-axis-label,.iq-axis-title,.iq-absolute-gain,.iq-bar-label,.iq-group-label){font-weight:500}

/* Center the entry hint immediately below the quiet hold-progress indicator. */
.hero-intro .intro-progress{bottom:max(84px,calc(env(safe-area-inset-bottom) + 72px))}
.hero-intro .intro-skip{left:50%;right:auto;bottom:max(14px,calc(env(safe-area-inset-bottom) + 2px));transform:translateX(-50%);min-height:48px;max-width:calc(100vw - 32px);padding:12px 20px;gap:12px;white-space:nowrap;font-size:16px;font-weight:500;color:var(--muted)}
.hero-intro .intro-skip span{font-size:20px}
.hero-intro .intro-skip:hover{color:var(--primary)}
@media(max-width:600px){.hero-intro .intro-skip{font-size:15px;padding:12px;gap:10px}}

/* Complementary benchmarks: concise scores first, complete metrics on demand. */
.physics-summary-legend{margin:20px 0 16px}
.physics-summary-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;align-items:start}
.physics-summary-card{min-width:0;border:1px solid var(--border);background:var(--surface);border-radius:10px;padding:22px 20px 14px}
.physics-summary-card h3{font-size:20px;font-weight:500;letter-spacing:-.4px;line-height:1.4}
.physics-metric{font-size:12px;color:var(--subtle);margin-top:6px}
.physics-score{display:flex;align-items:baseline;flex-wrap:wrap;gap:10px;margin-top:14px;font-size:26px;line-height:1.3;color:var(--muted);font-variant-numeric:tabular-nums}
.physics-score strong{font-size:34px;font-weight:600;color:#a8cbff;letter-spacing:-.7px}
.physics-score-arrow{font-size:20px;color:#778ba6}
.physics-gain{font-size:13px;color:var(--primary);margin-top:8px}
.physics-summary-card details{margin-top:20px}
.physics-summary-card summary{cursor:pointer;font-size:12px;color:var(--muted);min-height:36px;padding:6px 0;outline-offset:4px}
.physics-summary-card summary:hover{color:var(--primary)}
.physics-summary-card summary:focus-visible{outline:2px solid var(--primary)}
.physics-summary-card table{margin-top:12px;font-size:12px;line-height:1.5;text-align:center;font-variant-numeric:tabular-nums}
.physics-summary-card caption{font-size:12px;margin-bottom:12px;color:var(--subtle)}
.physics-summary-card th,.physics-summary-card td{padding:10px 5px}
.physics-summary-card th:first-child{white-space:normal;text-align:left}
.physics-summary-card thead th{font-size:10px;white-space:normal}
.physics-summary-card td:last-child{color:#a8cbff;font-weight:600}
.physics-core{background:var(--surface-soft)}
@media(max-width:1000px){.physics-summary-grid{grid-template-columns:1fr}.physics-summary-card{padding:22px}.physics-summary-card table{max-width:700px}.physics-summary-card th:first-child{width:44%}}
@media(max-width:600px){.physics-summary-grid{gap:16px}.physics-summary-card{padding:20px 16px 12px}.physics-summary-card h3{font-size:19px}.physics-score{font-size:24px}.physics-score strong{font-size:32px}.physics-summary-card details{margin-top:16px}}

/* Strengthen the numbered chapter labels consistently across the page. */
.section-label{font-size:14px;font-weight:700;line-height:1.5}
@media(max-width:600px){.section-label{font-size:12px;font-weight:700}}

#additional-benchmarks-title em{font-family:Georgia,'Times New Roman',serif;font-weight:400;color:var(--primary)}

#additional-benchmarks-title{font-size:36px;line-height:1.2;letter-spacing:-.03em}
@media(max-width:600px){#additional-benchmarks-title{font-size:30px}}

/* Reduce unnecessary rows in the benchmark score cards. */
.physics-summary-card{padding:18px 20px 12px}
.physics-card-heading{display:flex;align-items:baseline;justify-content:space-between;flex-wrap:wrap;gap:4px 10px}
.physics-card-heading h3{font-size:19px}
.physics-card-heading .physics-metric{margin-top:0;white-space:nowrap;font-size:14px}
.physics-score{flex-wrap:nowrap;white-space:nowrap;margin-top:14px}
.physics-summary-card details{margin-top:10px}
.physics-summary-card summary{min-height:30px;padding:4px 0}
@media(max-width:600px){.physics-summary-card{padding:16px}.physics-card-heading h3{font-size:18px}.physics-card-heading .physics-metric{font-size:13px}.physics-score{gap:9px}}

/* Reduce the vertical footprint of Physics-IQ without hiding metrics. */
.controlled-card{padding-top:16px;padding-bottom:8px}
.controlled-card .controlled-conditioning{margin-top:2px;line-height:1.4}
.controlled-card .controlled-task-figure{margin:4px 0 6px}
.controlled-card .controlled-task-figure .iq-task-chart{max-height:170px}
.controlled-card th,.controlled-card td{padding-top:7px;padding-bottom:7px}
@media(max-width:600px){.controlled-card .controlled-task-figure .iq-task-chart{max-height:160px}.controlled-card th,.controlled-card td{padding-top:6px;padding-bottom:6px}}

/* Balance the visual height of the Idea headline and its illustration. */
@media(min-width:701px){
 .idea-top-row{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:36px;align-items:center}
 .idea-top-row .section-heading h2{max-width:none}
 .idea-top-row .idea-diagram{max-height:180px}
 .idea-top-row .idea-figure figcaption{margin-top:6px;font-size:10px}
 .idea-top-row .idea-replay{min-height:28px;font-size:10px}
}
@media(min-width:701px) and (max-width:900px){.idea-top-row{gap:26px}.idea-top-row .idea-diagram{max-height:160px}}

/* Keep controls out of the diagram's document flow. */
.idea-figure{position:relative}
.idea-figure .idea-replay{position:absolute;right:0;bottom:0;z-index:1;min-height:32px;padding:6px 8px;font-size:11px;background:var(--bg);border-radius:4px}
@media(min-width:701px){.idea-top-row .idea-diagram{max-height:212px}.idea-top-row .idea-replay{min-height:32px;font-size:11px}}
@media(min-width:701px) and (max-width:900px){.idea-top-row .idea-diagram{max-height:192px}}

/* Representation examples are individual original images arranged by the page. */
.representation h2{font-size:36px;line-height:1.2;letter-spacing:-.03em}
.representation .section-intro{max-width:850px;font-size:16px}
.representation-controls{display:flex;justify-content:space-between;align-items:center;gap:16px;margin:0 0 16px;flex-wrap:wrap}
.representation-controls p,.representation-model-note{font-size:12px;color:var(--subtle)}
.representation-queries{display:flex;gap:8px}
.representation-queries[hidden],.representation-panel[hidden]{display:none}
.representation-queries button{font-size:12px;background:transparent;border:1px solid var(--border);border-radius:5px;padding:6px 12px;color:var(--muted);min-height:34px}
.representation-queries button[aria-pressed="true"]{background:var(--surface-soft);border-color:var(--primary);color:var(--primary)}
.representation-frame-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.representation-frame-grid figure,.future-frame-column figure,.future-source figure{min-width:0}
.representation-frame-grid figcaption,.future-frame-column figcaption,.future-source figcaption{font-size:12px;line-height:1.5;color:var(--muted);margin-bottom:8px}
.representation-frame-grid figure:last-child figcaption{color:var(--primary)}
.representation-panel a{display:block;border-radius:5px;overflow:hidden;background:var(--surface);cursor:zoom-in}
.representation-panel img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:contain}
.representation-scale{display:flex;align-items:center;gap:14px;justify-content:flex-end;margin-top:14px;color:var(--subtle);font-size:11px}
.representation-scale>div{width:180px}
.representation-colorbar{height:6px;border-radius:3px;background:linear-gradient(90deg,#440154 0%,#3b528b 25%,#21918c 50%,#5ec962 75%,#fde725 100%)}
.representation-scale-values{display:flex;justify-content:space-between;margin-top:3px;font-variant-numeric:tabular-nums}
.representation-explanation{font-size:15px;color:var(--muted);line-height:1.7;margin-top:18px;max-width:960px}
.representation-protocol{font-size:11px;color:var(--subtle);line-height:1.6;margin-top:9px}
.representation-future-layout{display:grid;grid-template-columns:minmax(0,.75fr) minmax(0,2.5fr);gap:28px;align-items:center;margin-top:18px}
.future-source p{font-size:13px;color:var(--muted);line-height:1.6;margin-top:12px}
.future-frame-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.future-frame-column h4{font-size:13px;font-weight:500;color:var(--primary);margin:0 0 12px}
.future-frame-column figure+figure{margin-top:14px}
.future-frame-column figure:last-child figcaption{color:var(--primary)}
@media(max-width:800px){.representation-frame-grid{gap:12px}.representation-future-layout{grid-template-columns:1fr;gap:20px}.future-source{display:grid;grid-template-columns:minmax(0,220px) 1fr;gap:18px;align-items:center}.future-source p{margin:0}}
@media(max-width:600px){.representation h2{font-size:30px}.representation .section-intro{font-size:15px}.representation-frame-grid{grid-template-columns:1fr}.representation-frame-grid figure{max-width:500px;width:100%;margin:0 auto}.representation-controls{gap:12px}.representation-queries button{font-size:11px;padding:6px 10px}.representation-scale{justify-content:flex-start}.representation-explanation{font-size:14px}.representation-future-layout{overflow-x:auto}.future-frame-grid{min-width:620px}.future-source{grid-template-columns:minmax(0,180px) 1fr}.future-frame-column figcaption{font-size:11px}}

/* Progressive enhancement: all results remain fully visible without JavaScript. */
@media(prefers-reduced-motion:no-preference){
 .controlled-card[data-result-reveal="pending"] .iq-bar{transform:scaleY(0)}
 .controlled-card[data-result-reveal="pending"] :is(.iq-value,.controlled-card-gain,.iq-improvement-tapered){opacity:0}
 .controlled-card[data-result-reveal] .iq-bar{transform-box:fill-box;transform-origin:center bottom}
 .controlled-card[data-result-reveal="visible"] .iq-bar-baseline{animation:result-bar-grow 550ms cubic-bezier(.22,1,.36,1) both}
 .controlled-card[data-result-reveal="visible"] .iq-value-baseline{animation:result-soft-reveal 200ms 350ms ease both}
 .controlled-card[data-result-reveal="visible"] .iq-bar-fcp{animation:result-bar-grow 550ms 600ms cubic-bezier(.22,1,.36,1) both}
 .controlled-card[data-result-reveal="visible"] .iq-value-fcp{animation:result-soft-reveal 200ms 950ms ease both}
 .controlled-card[data-result-reveal="visible"] .controlled-card-gain{animation:result-soft-reveal 300ms 1150ms ease both}
 .controlled-card[data-result-reveal="visible"] .iq-improvement-tapered{animation:iq-tapered-reveal 450ms 1150ms cubic-bezier(.22,.6,.36,1) both}
 .physics-summary-card[data-result-reveal="pending"]{opacity:0;transform:translateY(10px)}
 .physics-summary-card[data-result-reveal="visible"]{animation:result-card-enter 600ms var(--result-reveal-delay,0ms) cubic-bezier(.22,1,.36,1) both}
}
@keyframes result-bar-grow{from{transform:scaleY(0)}to{transform:scaleY(1)}}
@keyframes result-soft-reveal{from{opacity:0}to{opacity:1}}
@keyframes result-card-enter{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

/* One-time chapter entry alignment is handled by initializeChapterEntries. */

/* Fixed-anchor similarity across real video frames; individual original panels. */
.temporal-scroll{overflow-x:auto;overscroll-behavior-x:contain;margin-top:18px;padding-bottom:6px}
.temporal-grid{display:grid;grid-template-columns:100px repeat(4,minmax(0,1fr));gap:12px;align-items:center;min-width:780px}
.temporal-frame-heading{font-size:12px;color:var(--muted);text-align:center;white-space:nowrap}
.temporal-row-label{font-size:12px;line-height:1.5;color:var(--muted)}
.temporal-row-label:nth-last-of-type(1){color:var(--primary)}
.temporal-grid a{display:block;min-width:0}
.temporal-grid img{width:100%;height:auto;aspect-ratio:16/9;border-radius:4px}
@media(max-width:600px){.temporal-grid{grid-template-columns:80px repeat(4,minmax(0,1fr));gap:8px;min-width:760px}}

:is(.temporal-scene-selector,.spatial-scene-selector){display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 16px}
:is(.temporal-scene-selector,.spatial-scene-selector) button{background:transparent;border:1px solid var(--border);border-radius:5px;padding:6px 13px;font-size:13px;font-weight:500;color:var(--muted)}
:is(.temporal-scene-selector,.spatial-scene-selector) button[aria-pressed=true]{border-color:var(--primary);color:var(--primary);background:var(--surface)}

#representation-explanation{font-size:12px;line-height:1.6;color:var(--subtle);margin-top:12px}

/* Scene cards and lightweight query tabs form distinct control levels. */
.representation-queries{gap:18px;flex-wrap:wrap}
.representation-queries button{font-size:12px;font-weight:500;border:0;border-bottom:2px solid transparent;border-radius:0;background:transparent;padding:5px 1px;min-height:34px;color:var(--subtle)}
.representation-queries button[aria-pressed=true]{background:transparent;border-color:var(--primary);color:var(--primary);font-weight:600}
.representation-queries button:hover{color:var(--primary)}
@media(max-width:600px){.representation-queries button{font-size:11px;padding:5px 2px;min-height:40px}}

.representation-selector-row{margin:20px 0 16px;gap:12px 24px;align-items:center}
.representation-selector-row :is(.spatial-scene-selector,.temporal-scene-selector){margin:0;min-width:0}
.representation-selector-row .representation-queries{margin-left:auto;flex-shrink:0}
@media(max-width:600px){.representation-selector-row .representation-queries{margin-left:0}}

.representation-guide{margin-top:18px}
.representation-guide .section-intro{margin-top:0;max-width:none;width:100%}
.representation-query-reference{white-space:nowrap}
.representation-query-key{display:inline-block;width:.7em;height:.7em;margin:0 .12em 0 .1em;vertical-align:-.04em}
.representation-query-box{display:block;width:100%;height:100%;border:2px solid #ff3535;border-radius:1px}

.training-compute{margin-top:34px;padding-top:28px;border-top:1px solid var(--border)}
.training-compute h3{font-size:36px;line-height:1.2;letter-spacing:-.03em;font-weight:500}
.training-compute h3 em{font-family:Georgia,'Times New Roman',serif;font-weight:400;color:var(--primary)}
.training-compute-figure{max-width:1020px;margin:18px auto 0}
.training-compute-figure a{display:block;cursor:zoom-in}
.training-compute-figure img{width:100%;height:auto}
.training-compute-figure figcaption{font-size:11px;line-height:1.6;color:var(--subtle);margin-top:6px;text-align:center}
@media(max-width:600px){.training-compute h3{font-size:30px}.training-compute-figure{margin-top:14px}}

.training-compute{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1.95fr);gap:36px;align-items:start}
.training-efficiency-copy,.training-efficiency-visual{min-width:0}
.training-efficiency-copy .benchmark-intro{margin-top:18px;font-size:16px;line-height:1.8}
.training-efficiency-visual .training-compute-figure{margin:8px 0 0;max-width:none}
.training-budget-selector{display:flex;justify-content:flex-end;gap:20px}
.training-budget-selector button{font-size:13px;font-weight:500;color:var(--muted);background:transparent;border:0;border-bottom:2px solid transparent;padding:5px 1px}
.training-budget-selector button[aria-pressed=true]{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}
@media(max-width:900px){.training-compute{grid-template-columns:1fr;gap:18px}.training-efficiency-copy .benchmark-intro{max-width:none}}
@media(max-width:600px){.training-budget-selector{justify-content:flex-start}.training-budget-selector button{min-height:40px}.training-efficiency-copy .benchmark-intro{font-size:15px}}

.training-efficiency-visual .training-compute-figure{margin-top:0}
.training-budget-selector{gap:18px;line-height:1.4}
.training-budget-selector button{font-size:12px;line-height:1.4;padding:2px 1px;min-height:26px}
@media(max-width:600px){.training-budget-selector button{min-height:40px}}

.convergence-chart-host{width:100%;min-width:0}
.convergence-chart{display:block;width:100%;overflow:visible;font:500 12px LocalSans,Arial,sans-serif}
.convergence-grid line{stroke:var(--border);stroke-width:1}
.convergence-labels{fill:var(--muted)}
.convergence-axes{stroke:var(--subtle);stroke-width:1}
.convergence-axis-title{fill:var(--muted);font-size:12px}
.convergence-legend{display:flex;justify-content:space-evenly;align-items:center;flex-wrap:wrap;gap:10px 20px;margin-top:9px;font-size:12px;color:var(--muted)}
.convergence-legend>span{display:inline-flex;align-items:center;gap:10px;white-space:nowrap}
.convergence-key-tf,.convergence-key-fcp{display:inline-block;width:10px;height:10px;background:#e6a46a}
.convergence-key-fcp{background:#86b5ff}
.convergence-key-fit{display:inline-block;width:32px;border-top:2px dashed #a7b4c7}
@media(max-width:600px){.convergence-legend{justify-content:center;gap:10px 16px;font-size:11px}}

.resource-symbol{display:flex;align-items:center;justify-content:flex-start;line-height:1}
.resource-symbol svg{display:block;width:26px;height:26px;flex-shrink:0}
@media(max-width:600px){.resource-symbol svg{width:22px;height:22px}}

.resource-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:40px;margin-top:24px;border-top:0}
.resource-list>div{grid-template-columns:32px minmax(0,1fr) auto;grid-template-rows:auto auto;gap:4px 14px;padding:18px 0;border-top:1px solid var(--border);border-bottom:0}
.resource-list .resource-symbol{grid-column:1;grid-row:1/3}
.resource-list h3{grid-column:2;grid-row:1;font-size:17px}
.resource-list p{display:block;grid-column:2;grid-row:2;font-size:12px;line-height:1.6}
.resource-list :is(.coming-soon,.resource-link){grid-column:3;grid-row:1/3;font-size:10px;padding:3px 10px;white-space:nowrap}
@media(max-width:700px){.resource-list{grid-template-columns:1fr;column-gap:0}.resource-list>div{padding:15px 0;gap:4px 10px}.resource-list h3{font-size:16px}}

.resource-layout{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(0,1fr);gap:40px;margin-top:24px;align-items:stretch}
.resource-layout .resource-list{margin-top:0;column-gap:28px}
.resource-citation-column{border-top:1px solid var(--border);padding-top:18px}
.resource-citation-column .resource-citation{display:grid;grid-template-columns:32px minmax(0,1fr);gap:6px 14px;align-items:start}
.resource-citation-column .resource-symbol{grid-column:1;grid-row:1/4}
.resource-citation-column h3{grid-column:2;font-size:17px}
.resource-citation-column p{grid-column:2;font-size:12px;line-height:1.7;color:var(--subtle)}
.resource-citation-column .coming-soon{grid-column:2;justify-self:start;font-size:10px;padding:3px 10px;margin-top:4px}
@media(max-width:1100px){.resource-layout{grid-template-columns:1fr;gap:16px}.resource-citation-column{padding-top:15px}}
@media(max-width:700px){.resource-layout .resource-list{grid-template-columns:1fr}.resource-layout{gap:12px}}

.resource-emails a{display:block;width:fit-content;max-width:100%;overflow-wrap:anywhere;color:var(--muted)}
.resource-emails a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px}

.resource-layout{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 40px}
.resource-layout .resource-list{grid-column:1/-1;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:40px}
.resource-citation-column{grid-column:1/-1;padding-top:16px}
@media(max-width:700px){.resource-layout{grid-template-columns:1fr}.resource-layout .resource-list{grid-template-columns:1fr}}

.resource-list .resource-emails{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 18px}
.resource-emails a{display:inline-block;width:auto}

.resource-citation-column .resource-citation{grid-template-columns:32px minmax(0,1fr) auto}
.resource-citation-column .coming-soon{grid-column:3;grid-row:1/3;align-self:center;justify-self:end;margin-top:0;white-space:nowrap}

.resources-outlook{font-size:16px;font-weight:500;line-height:1.8;color:var(--muted);margin-top:20px}
@media(max-width:600px){.resources-outlook{font-size:15px;margin-top:16px}}

/* Reveal this native chart once, after its chapter finishes aligning. */
.convergence-chart-host[data-convergence-reveal="pending"] :is([data-curve],[data-step],.convergence-comparison-guides,.convergence-comparison){opacity:0}
@media(prefers-reduced-motion:reduce){.convergence-chart-host[data-convergence-reveal="pending"] :is([data-curve="measured"],[data-step],.convergence-comparison-guides,.convergence-comparison){opacity:1}.convergence-chart-host[data-convergence-reveal="pending"] [data-curve="fit"]{opacity:.45}}

.training-efficiency-copy .benchmark-intro+.benchmark-intro{margin-top:12px}
.training-efficiency-summary{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:20px;padding-top:16px;border-top:1px solid var(--border)}
.training-efficiency-summary>div{display:flex;flex-direction:column;gap:2px}
.training-efficiency-summary strong{font-size:28px;line-height:1.2;font-weight:600;color:var(--primary);font-variant-numeric:tabular-nums}
.training-efficiency-summary span{font-size:13px;color:var(--muted)}
.training-efficiency-summary-note{font-size:11px;line-height:1.6;color:var(--subtle);margin-top:10px}
@media(max-width:600px){.training-efficiency-summary{margin-top:16px;padding-top:12px}.training-efficiency-summary strong{font-size:26px}}

.method-layout .method-figure-media{padding:4px 0}

.resource-link{display:inline-flex;align-items:center;border:1px solid var(--border);border-radius:20px;color:var(--primary);line-height:1.65;transition:border-color .2s,background .2s}
.resource-link:hover{border-color:var(--primary);background:var(--surface-hover)}
.resource-list h3 a:hover{color:var(--primary)}