/* HCL v10 — original paper figures and illustrated experimental evidence.
   System fonts only; no external assets, tracking, or build dependencies. */
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/* Open-world videos remain the first content after the masthead. */
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/* Original Figure 1 carries the comparison; no second interpretation is drawn. */
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/* Original Figure 2 and its concise reading guide share one section. */
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/* Four short experimental stories, identified by restrained local vector icons.
   Bars share a zero baseline. A full track is 100 score units or 50 Minecraft tasks. */
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.result-pictogram svg{width:34px;height:34px;display:block}
[data-setting="minecraft"] .result-pictogram{color:#668351;background:#f0f5e9}
[data-setting="textual"] .result-pictogram{color:#b1805e;background:#fbf2e9}
[data-setting="multimodal"] .result-pictogram{color:#6e7496;background:#f1f2f8}
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/* Citation and accessible image viewer. */
.citation-section{padding-block:35px 18px;background:#fff}
.citation-container{max-width:1080px}
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.citation-heading h2{font-size:25px}
.citation-actions{display:flex;align-items:center;gap:16px;font-size:12px}
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#figure-dialog:not([open]){display:none}
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.icon-button{width:32px;height:32px;display:grid;place-items:center;background:var(--surface);border:1px solid var(--line);border-radius:50%;color:var(--ink)}
.dialog-image-view{padding:18px;overflow:auto;max-height:calc(100dvh - 115px);background:#fff}
#dialog-image{width:100%;height:auto;margin:auto}
#figure-dialog.zoomed #dialog-image{width:auto;max-width:none;margin:0}
/* Responsive hierarchy: full project name never becomes an abbreviated logo. */
@media(max-width:1050px){
 .hero h1{font-size:44px}.hero .subtitle{font-size:25px}
 .nav-paper{display:none}.nav-shell{gap:18px}.nav-links{gap:23px}
 .overview-intro{gap:34px}.overview-intro h2{font-size:32px}
 .shared-principle{gap:30px;grid-template-columns:1fr 1.45fr}
 .framework-reading{gap:30px}
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 .bar-entry{grid-template-columns:105px minmax(0,1fr) 53px;column-gap:9px}
 .bar-label>span,.bar-label strong{font-size:12px}
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@media(max-width:820px){
 .editorial-heading{display:block}.editorial-heading h2{font-size:27px}
 .editorial-heading>p{margin-top:8px;max-width:650px}
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 .result-heading h3{font-size:19px}.result-domain{font-size:12px}
 .result-number{font-size:40px}.result-metric{font-size:13px;max-width:125px}
 .bar-entry{grid-template-columns:98px minmax(0,1fr) 48px;column-gap:7px}
 .paper-figure figcaption{display:block}.figure-actions{padding-top:6px}
}
@media(max-width:720px){
 .nav-shell{height:auto;min-height:88px;display:flex;flex-wrap:wrap;row-gap:11px;padding-block:14px 12px}
 .brand{font-size:17px;gap:8px;line-height:1.2}
 .nav-links{width:100%;display:flex;justify-content:space-between;gap:12px}
 .nav-links a{font-size:12px}
 .selected-results{grid-template-columns:1fr}
 .selected-result{padding:26px}
 .result-heading h3{font-size:21px}.result-domain{font-size:13px}
 .result-pictogram{width:47px;height:47px}.result-pictogram svg{width:32px;height:32px}
 .result-number{font-size:48px}.result-number span{font-size:23px}.result-metric{font-size:14px;max-width:180px}
 .bar-entry{grid-template-columns:124px minmax(0,1fr) 60px;column-gap:12px}
 .bar-label>span,.bar-label strong{font-size:14px}
 .result-gain{font-size:18px}.result-baseline{font-size:14px}
 .result-detail{font-size:13px}.result-model{font-size:12.5px}
}
@media(max-width:620px){
 .container{width:calc(100% - 40px)}.nav-shell{width:calc(100% - 40px)}
 .brand img{width:27px;height:29px}
 .hero{padding-top:31px;padding-bottom:14px}
 .hero h1{font-size:36px;line-height:1.16;letter-spacing:-.026em}.hero .subtitle{font-size:21px;line-height:1.4;margin-top:11px}
 .authors{font-size:13px;gap:7px 16px;margin:21px auto 10px}
 .affiliations{font-size:11px;line-height:1.8}.correspondence{display:block;margin-left:0;margin-top:3px;font-size:10px}
 .resource-links{gap:7px;margin-top:19px}.button{font-size:12px;padding:9px 13px;min-height:38px;gap:6px}
 .button .icon{width:14px;height:14px}.tiny{font-size:9px}
 .section{padding-block:30px}.editorial-heading{margin-bottom:18px}.editorial-heading h2{font-size:25px}.editorial-heading>p{font-size:14px}
 .demos-section{padding-top:23px;padding-bottom:30px}.video-grid{grid-template-columns:1fr;gap:23px}.video-stage{border-radius:8px}
 .video-card figcaption{padding-top:8px}.placeholder-label{font-size:12px}.play-mark{width:42px;height:42px}.video-title{font-size:14px}.video-caption{font-size:12px}
 .overview-intro{grid-template-columns:1fr;gap:16px;margin-bottom:23px}.overview-intro h2{font-size:31px;max-width:460px}
 .shared-principle{grid-template-columns:1fr;gap:12px;margin-top:20px;padding-top:4px}.shared-principle h3{font-size:23px}.shared-principle p{font-size:15px}
 .framework-reading{grid-template-columns:1fr;gap:27px;margin-top:24px;padding-top:24px}.framework-reading h3{font-size:19px}
 .component-definitions>div,.commit-criteria p{grid-template-columns:135px 1fr;gap:12px}
 .component-definitions dt,.component-definitions dd{font-size:14px}
 .paper-figure figcaption{font-size:13px}.figure-actions a{font-size:12px}
 .results-intro{font-size:14px;margin-bottom:21px}
 .selected-result{padding:22px 21px 19px;border-radius:12px}
 .result-heading{gap:11px;margin-bottom:19px}.result-heading h3{font-size:20px}
 .score-readout{gap:18px}.result-number{font-size:46px}.result-number span{font-size:21px}
 .result-metric{font-size:13px;max-width:135px}.result-body{gap:20px}
 .bar-entry{grid-template-columns:109px minmax(0,1fr) 54px;column-gap:9px}.bar-label>span,.bar-label strong{font-size:13px}
 .secondary-comparison{font-size:13px}
 .citation-section{padding-block:29px 16px}.citation-heading{gap:10px;margin-bottom:14px}.citation-heading h2{font-size:23px}
 .citation-actions{gap:10px;font-size:11px}.citation-actions .button{font-size:11px;padding:7px 10px;min-height:35px}
 .bibtex{font-size:10px;line-height:1.85;padding:17px 16px}
 #figure-dialog{width:calc(100% - 18px);max-height:calc(100dvh - 22px)}
 .dialog-toolbar{flex-wrap:wrap;padding:10px;gap:8px}.dialog-toolbar>p{font-size:12px}.dialog-toolbar>div{gap:7px}.dialog-image-view{padding:8px;max-height:calc(100dvh - 145px)}
}
@media(max-width:400px){
 .selected-result{padding:21px 18px 18px}
 .result-heading h3{font-size:19px}.result-domain{font-size:12px}
 .result-number{font-size:42px}.result-number span{font-size:20px}.score-readout{gap:13px}
 .result-metric{font-size:13px;max-width:124px}
 .bar-entry{grid-template-columns:105px minmax(0,1fr) 50px;column-gap:8px}.bar-label>span,.bar-label strong{font-size:12.5px}
 .component-definitions>div,.commit-criteria p{grid-template-columns:1fr;gap:1px}
}
@media(max-width:375px){
 .container,.nav-shell{width:calc(100% - 32px)}
 .brand{font-size:15px;gap:7px}.brand img{width:26px;height:28px}
 .hero h1{font-size:31px}.hero .subtitle{font-size:18px}.authors{font-size:12px;gap:7px 12px}
 .overview-intro h2{font-size:29px}.result-heading h3{font-size:18px}
 .result-gain{font-size:16px}.result-baseline{font-size:13px}
 .result-number{font-size:40px}.score-readout{gap:12px}.result-metric{font-size:12px}
 .citation-actions{gap:6px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}
@media print{
 .site-header,.resource-links,.zoom-hint,.site-footer,.video-grid,.citation-actions,#figure-dialog{display:none!important}
 .container{width:100%;max-width:none}.section,.hero{padding-block:18px}
 .hero h1{font-size:30px}.hero .subtitle{font-size:20px}
 .paper-figure,.selected-result{break-inside:avoid}a{color:inherit}
}