@font-face{font-family:'Google Sans Code';src:url('/assets/fonts/google-sans-code.ttf') format('truetype');font-weight:400;font-style:normal;font-display:swap}
.domain-summary{margin:28px 0}.domain-summary h3{margin-bottom:8px}.domain-summary-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin-top:18px}.domain-summary-card{display:flex;flex-direction:column;justify-content:space-between;gap:18px;padding:18px;border:1px solid var(--line);border-radius:8px;color:inherit;text-decoration:none;background:var(--paper)}.domain-summary-card:hover{border-color:var(--teal)}.domain-summary-card span{font:600 22px var(--mono)}@media(max-width:760px){.domain-summary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
:root{
  --ink:#1c2226;--muted:#66707a;--paper:#f7f5ef;--paper2:#efece3;--line:#dcd7ca;
  --night:#111418;--night2:#191e24;--nline:#2b333c;--nink:#e9ecef;--nmuted:#9aa4ae;
  --teal:#0f8b7d;--teal2:#4fd1bd;--orange:#e0742b;--amber:#c99a2e;
  --serif:"Noto Serif CJK SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --sans:"Noto Sans CJK SC","PingFang SC","Microsoft YaHei","DejaVu Sans",sans-serif;
  --mono:"Google Sans Code","JetBrains Mono","DejaVu Sans Mono",ui-monospace,monospace;
}
[hidden]{display:none!important}
.task-results{margin-top:38px;padding:0;border-top:1px solid var(--line)}
.task-results h3{margin:22px 0 8px;font:500 16px/1.5 var(--mono)}
.task-results>p{margin:0 0 16px}
/* Embedded scroll window: show a few rows, keep the header fixed. */
.paired-window{max-height:430px;overflow:auto;overscroll-behavior:contain}
.paired-window:focus-visible{outline:2px solid var(--teal);outline-offset:3px}
.paired-window .board th{position:sticky;top:0;z-index:1}
body{font-variant-numeric:tabular-nums}
.topnav,.hero h1,.subtitle,h2,h3,.blog-main>h1,.board,.btn{font-family:var(--mono)!important}
.hero h1{font-weight:500;letter-spacing:-3px}.board{font-size:13px}
.result-view-tabs{display:flex;justify-content:flex-end;margin:20px 0 10px}
.result-view-tabs button{font:12px var(--mono);padding:10px 16px;border:1px solid var(--line);background:var(--paper);color:var(--muted);cursor:pointer}
.result-view-tabs button[aria-pressed=true]{background:var(--ink);color:#fff}
.result-view-tabs button:focus-visible,.waffle-cell:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
.waffle-legend{font-size:13px;color:var(--muted);margin:18px 0}
.waffle-model{padding:16px 0 24px;border-top:1px solid var(--line)}
.waffle-model h3{margin:0 0 16px}.waffle-group{display:grid;grid-template-columns:190px 1fr;gap:12px;margin:10px 0;align-items:center}
.waffle-group h4{font:12px var(--mono);margin:0;overflow-wrap:anywhere}
.waffle-squares{display:flex;flex-wrap:wrap;gap:6px}
.waffle-cell{display:flex;align-items:center;justify-content:center;width:34px;height:34px;border:1px solid var(--line);text-decoration:none;font:13px var(--mono);color:var(--ink);background:#e7e5df}
.waffle-cell.one{background:var(--teal);color:white;border-color:var(--teal)}
.waffle-cell.unscored{background:transparent;border-style:dashed;color:var(--muted)}
.waffle-cell.adjudicated{background:#fbf0d8;border-color:var(--amber);color:#8a6414}
@media(max-width:560px){.waffle-group{grid-template-columns:1fr}.hero h1{letter-spacing:-2px}.waffle-cell{width:38px;height:38px}}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:60px}
body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.7 var(--sans)}
h1,h2,h3,p{margin:0}a{color:inherit}
.wrap{max-width:1240px;width:calc(100% - 48px);margin:auto}
.muted{color:var(--muted);font-weight:400;font-size:13px}

.topnav{position:fixed;inset:0 0 auto;z-index:20;display:flex;justify-content:space-between;align-items:center;
  padding:12px 28px;background:rgba(17,20,24,.72);backdrop-filter:blur(10px);color:var(--nink);font-size:13px}
.topnav .brand{font:700 15px var(--mono);letter-spacing:.5px;text-decoration:none}
.topnav div a{margin-left:22px;text-decoration:none;color:var(--nmuted)}.topnav div a:hover{color:#fff}
.topnav .page-tabs{display:flex;gap:18px;margin-right:auto;margin-left:28px}
.topnav .page-tabs a{margin-left:0}.topnav .page-tabs a[aria-current=page]{color:var(--teal2);border-bottom:2px solid var(--teal2)}
.blog-main{padding-top:130px;min-height:calc(100vh - 90px);padding-bottom:80px}
.blog-main>h1{font:700 clamp(58px,9vw,100px)/1.1 var(--serif);margin:14px 0 20px}
.blog-preview{max-width:880px;margin-top:56px;padding:32px 0;border-top:1px solid var(--line)}
.blog-preview p{max-width:720px;margin:16px 0}.blog-preview a{color:var(--teal);text-underline-offset:5px}

.dark{background:var(--night);color:var(--nink)}
.hero{position:relative;min-height:100vh;overflow:hidden;display:flex;align-items:flex-end}
.hero-grid{position:absolute;inset:0;display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:1fr;gap:3px;opacity:.55}
.hero-grid video{width:100%;height:100%;object-fit:cover;filter:saturate(.85);animation:fadein 1.4s both}
.hero-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(17,20,24,.25) 0,rgba(17,20,24,.55) 45%,var(--night) 96%),
  radial-gradient(ellipse at 15% 85%,rgba(15,139,125,.35),transparent 55%)}
.hero-copy{position:relative;padding:110px 0 70px;width:calc(100% - 48px);max-width:1240px;margin:auto;animation:rise .9s .2s both}
.showreel{max-width:960px;margin:36px 0 0;scroll-margin-top:76px}
.showreel figcaption{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;margin-bottom:12px;font:13px/1.5 var(--mono);color:var(--teal2)}
.showreel figcaption a{font:12px/1.5 var(--sans);color:var(--nmuted)}
.showreel video{display:block;width:100%;aspect-ratio:16/9;background:#000;border:1px solid var(--nline);border-radius:10px}
.showreel p{margin-top:10px;font-size:12px;color:var(--nmuted)}
.kicker,.num{font:12px/1.4 var(--mono);letter-spacing:2px;text-transform:uppercase;color:var(--teal2)}
.light .num{color:var(--teal)}
.hero h1{font:700 clamp(54px,9vw,124px)/.95 var(--serif);letter-spacing:-2px;margin:14px 0 12px}
.subtitle{font:500 clamp(18px,2.3vw,28px)/1.35 var(--serif);color:#dfe6e8}
.lede{max-width:720px;margin-top:20px;color:var(--nmuted)}
.cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.cta .btn{display:inline-flex;align-items:center;gap:8px}
.cta .btn.solid{background:#a4dfcc;border-color:#a4dfcc;color:#123e34}
.cta .btn.solid:hover{background:#8fd5bd;border-color:#8fd5bd}
.btn-icon{flex:none;vertical-align:middle}
.btn{display:inline-block;padding:10px 18px;border:1px solid #4a5560;border-radius:999px;text-decoration:none;font-size:14px}
.btn.solid{background:var(--teal2);border-color:var(--teal2);color:#06231f;font-weight:700}
.btn.ghost{opacity:.55;cursor:default}
.btn:not(.ghost):hover{border-color:var(--teal2)}
.stats{display:flex;flex-wrap:wrap;gap:36px;margin-top:40px}
.stats div{border-left:2px solid var(--teal2);padding-left:12px}
.stats b{display:block;font:600 34px/1.1 var(--mono);color:#fff}.stats span{font-size:12px;color:var(--nmuted)}
.hero-note{position:absolute;right:24px;bottom:16px;font-size:11px;color:var(--nmuted)}

section{padding:88px 0}
.light{background:var(--paper)}.alt{background:var(--paper2);background-image:radial-gradient(#d8d2c3 1px,transparent 1px);background-size:22px 22px}
h2{font:700 clamp(30px,4vw,44px)/1.15 var(--serif);margin:8px 0 14px}
h3{font:700 18px/1.4 var(--serif);margin:34px 0 12px}
.intro{max-width:780px;color:var(--muted)}.dark .intro{color:var(--nmuted)}

.flow{list-style:none;padding:0;margin:36px 0 0;display:grid;grid-template-columns:repeat(5,1fr);gap:0;counter-reset:f}
.flow li{position:relative;padding:20px 18px 20px 18px;border:1px solid var(--line);background:#fff;margin-right:-1px;counter-increment:f}
.flow li::before{content:"0" counter(f);font:12px var(--mono);color:var(--teal)}
.flow li b{display:block;font:700 18px var(--serif);margin:6px 0}
.flow li span{font-size:13px;color:var(--muted)}
.flow li.private{background:var(--night);color:var(--nink);border-color:var(--night)}
.flow li.private span{color:var(--nmuted)}.flow li.private::before{color:var(--orange)}

.domains{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:30px}
.domain{background:#fff;border:1px solid var(--line);border-top:4px solid var(--c,var(--teal));padding:18px}
.domain b{font:600 36px/1 var(--mono)}.domain h4{margin:10px 0 2px;font:700 16px var(--serif)}
.domain p{font-size:12px;color:var(--muted)}
.benches{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.chip{font:12px var(--mono);padding:4px 10px;border-radius:999px;background:#fff;border:1px solid var(--line)}
.chip i{font-style:normal;color:var(--muted);margin-left:6px}

.notice{margin:20px 0 22px;padding:14px 18px;border-left:4px solid var(--amber);background:#fbf3df;font-size:14px}
.table-scroll{overflow-x:auto;border:1px solid var(--line);background:#fff}
.board{width:100%;border-collapse:collapse;font-size:14px;white-space:nowrap}
.board th,.board td{padding:11px 14px;text-align:left;border-bottom:1px solid #ece8de}
.board th{font:600 11px var(--mono);letter-spacing:1px;text-transform:uppercase;color:var(--muted);background:#faf9f5}
.board td.n{font-family:var(--mono);text-align:right}.board th.n{text-align:right}
.board tr:last-child td{border-bottom:0}
.bar{display:inline-block;vertical-align:middle;height:8px;background:var(--teal);border-radius:4px;margin-left:8px}
.tag{display:inline-block;font:11px var(--mono);padding:1px 8px;border-radius:4px;background:#eef2f1;color:#3d5a57}
.tag.warn{background:#fbf0d8;color:#8a6414}
.s1{color:#fff;background:var(--teal);font:600 12px var(--mono);padding:2px 8px;border-radius:4px}
.s0{color:#555;background:#e7e5df;font:600 12px var(--mono);padding:2px 8px;border-radius:4px}
.sn{color:#8a6414;border:1px dashed var(--amber);font:600 12px var(--mono);padding:1px 7px;border-radius:4px}
.paired a{text-decoration:none}.paired a:hover{text-decoration:underline}

.band{background:var(--night);background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:40px 40px}
.filters{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 10px}
.seg{display:flex;border:1px solid var(--nline);border-radius:999px;overflow:hidden}
.seg button{background:transparent;color:var(--nmuted);border:0;padding:8px 14px;font:13px var(--sans);cursor:pointer}
.seg button.on{background:var(--teal2);color:#06231f;font-weight:700}
.seg button:hover:not(.on){color:#fff}
.count{font:12px var(--mono);color:var(--nmuted);margin-bottom:14px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:16px}
.card{display:block;text-decoration:none;background:var(--night2);border:1px solid var(--nline);border-radius:10px;overflow:hidden;
  transition:transform .2s,border-color .2s;animation:rise .5s both}
.card:hover{transform:translateY(-3px);border-color:var(--teal2)}
.thumb{position:relative;aspect-ratio:16/10;background:#000}
.thumb img,.thumb video{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}
.thumb .s1,.thumb .s0,.thumb .sn{position:absolute;top:10px;left:10px}
.thumb .sn{background:rgba(0,0,0,.5);color:#f2c96b}
.thumb .views{position:absolute;top:10px;right:10px;font:11px var(--mono);background:rgba(0,0,0,.6);padding:2px 7px;border-radius:4px}
.meta{padding:12px 14px 14px}
.meta .src{font:11px var(--mono);color:var(--teal2);letter-spacing:.5px}
.meta h4{margin:4px 0 8px;font:600 15px/1.4 var(--sans);color:#fff}
.meta .row{display:flex;justify-content:space-between;font:12px var(--mono);color:var(--nmuted)}
.meta .stop.horizon{color:#f2c96b}
.prog{height:3px;background:#2b333c;border-radius:2px;margin:8px 0 6px}.prog i{display:block;height:100%;background:var(--teal2);border-radius:2px}

.rules{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:28px}
.rules article{background:#fff;border:1px solid var(--line);padding:20px}
.rules h3{margin:0 0 8px;font-size:16px}.rules p{font-size:13.5px;color:#3e4850}
.bib{background:var(--night);color:#cfe9e3;padding:20px 24px;border-radius:8px;font:13px/1.6 var(--mono);overflow:auto;margin-top:16px}
footer{padding:28px;text-align:center;font-size:12px;color:var(--muted);background:var(--paper2)}

@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@keyframes fadein{from{opacity:0}to{opacity:1}}
@media (max-width:900px){
  .flow,.domains{grid-template-columns:1fr 1fr}.rules{grid-template-columns:1fr}
  .hero-grid{grid-template-columns:repeat(2,1fr)}.topnav div a{margin-left:12px}
}
@media (max-width:560px){.flow,.domains{grid-template-columns:1fr}.stats{gap:20px}}
/* Benchmark: domain groups with per-source bars */
.domain-bars{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:14px;margin-top:30px}
.domain-group{background:var(--surface,#fff);border:1px solid var(--line);border-top:4px solid var(--c);padding:18px}
.domain-head{display:flex;gap:14px;align-items:center;margin-bottom:12px}
.domain-head b{font:600 36px/1 var(--mono);color:var(--c)}
.domain-head h4{margin:0;font:700 16px var(--serif)}.domain-head p{font-size:12px;color:var(--muted)}
.bench-bars{list-style:none;margin:0;padding:0}
.bench-bars li{display:grid;grid-template-columns:minmax(110px,40%) 1fr 26px;gap:10px;align-items:center;padding:3px 0;font:12px var(--mono)}
.bench-bars .bn{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bench-bars .bt{height:8px;background:var(--paper2);border-radius:4px;overflow:hidden}
.bench-bars .bt i{display:block;height:100%;background:var(--c);border-radius:4px}
.bench-bars b{text-align:right}
/* Results: score / coverage meters */
.meter{display:inline-block;vertical-align:middle;width:72px;height:6px;margin-left:10px;background:var(--paper2);border-radius:3px;overflow:hidden}
.meter i{display:block;height:100%;background:var(--teal)}.meter.cov i{background:var(--muted)}
.board-note{margin:10px 0 0;font-size:12.5px;color:var(--muted)}
/* Gallery: show more */
/* In-page recording viewer */
.rw-trigger{cursor:pointer}.rw-trigger:focus-visible{outline:2px solid var(--teal);outline-offset:2px}
.cell-link{display:inline-flex;align-items:center}
.rw-player{width:min(960px,calc(100% - 24px));padding:0;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--ink)}
.rw-player::backdrop{background:rgba(0,0,0,.7)}
.rw-player-box{position:relative}
.rw-media video{display:block;width:100%;max-height:72vh;background:#000}
.rw-empty{padding:60px 20px;text-align:center;color:var(--muted)}
.rw-meta{display:flex;flex-direction:column;gap:2px;padding:14px 18px 16px}
.rw-meta b{font:600 13px var(--mono);color:var(--teal)}.rw-meta span{font-size:16px}.rw-meta small{font-size:12.5px;color:var(--muted)}
.rw-close{position:absolute;top:10px;right:10px;z-index:2;padding:6px 12px;border:0;border-radius:999px;background:rgba(0,0,0,.65);color:#fff;font:12px var(--mono);cursor:pointer}
.pstep{display:block;margin-top:4px;font:11px/1.3 var(--mono);color:var(--muted)}
.pstep-bar{display:block;width:84px;height:4px;margin-top:3px;background:var(--paper2);border-radius:2px;overflow:hidden}
.pstep-bar i{display:block;height:100%;background:var(--muted)}
@media (max-width:1100px){html{scroll-padding-top:100px}}
.more-btn{display:block;margin:22px auto 0;padding:10px 22px;border:1px solid var(--nline);border-radius:999px;background:transparent;color:var(--nink);font:13px var(--mono);cursor:pointer}
.more-btn:hover{border-color:var(--teal2)}
@media (max-width:560px){.cards{grid-template-columns:1fr 1fr;gap:10px}.meta{padding:8px 10px 10px}.meta h4{font-size:13px}.meta .src{font-size:10px}.meta .row{font-size:11px}.domain-bars{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* Three synchronized score-versus-resource plots. */
.pareto-legend{display:flex;flex-wrap:wrap;gap:12px 24px;list-style:none;padding:18px 0;margin:0;font:13px var(--sans)}
.pareto-legend li{display:flex;align-items:center;gap:8px}
.pareto-legend b{display:grid;place-items:center;width:24px;height:24px;border:1px solid var(--muted);border-radius:50%;font:600 12px var(--mono)}
.pareto-plots{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.pareto-box{min-width:0;border:1px solid var(--line);background:var(--surface,#fff);padding:16px 8px 0}
.pareto-box h3{margin:0 10px 8px;font:600 14px/1.4 var(--mono);min-height:2.8em}
.pareto-svg{width:100%;height:auto;display:block;font-family:var(--mono)}
.pareto-svg .pg{stroke:var(--line);stroke-width:1}
.pareto-svg .pt{fill:var(--muted);font-size:12px}
.pareto-svg .pfront{fill:none;stroke:var(--teal);stroke-width:1.5;stroke-dasharray:4 4}
.pareto-svg .pp{cursor:pointer;outline:none}
.pareto-svg .pleader{stroke:var(--muted);stroke-width:1}
.pareto-svg .pdot{fill:var(--ink)}
.pareto-svg .pbadge{fill:var(--surface,#fff);stroke:var(--muted);stroke-width:1}
.pareto-svg .pp text{fill:var(--ink);font-size:12px;font-weight:600;pointer-events:none}
.pareto-svg .pp.on .pdot{fill:var(--teal)}
.pareto-svg .pp:is(:hover,:focus-visible,.selected) .pbadge{stroke:var(--teal);stroke-width:3}
.pareto-detail{min-height:4.8em;margin:0;padding:12px 10px;border-top:1px solid var(--line);font:12px/1.6 var(--mono);color:var(--muted);overflow-wrap:anywhere}
.pareto-cap{margin:0;padding:16px 0;font:12px/1.7 var(--sans);color:var(--muted)}
@media(max-width:900px){.pareto-plots{grid-template-columns:1fr}.pareto-box h3{min-height:0}.pareto-svg{max-width:520px;margin:auto}.pareto-detail{min-height:3.2em}}

/* Research findings link the homepage to the detailed case studies. */
.home-findings{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:28px}
.home-finding{display:flex;flex-direction:column;padding:26px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink)}
.home-finding-number{font:600 16px var(--mono);color:var(--teal)}
.home-finding h3{margin:18px 0 12px;font:600 21px/1.35 var(--sans);color:var(--ink)}
.home-finding p{margin:0 0 24px;font:16px/1.7 var(--sans);color:var(--muted)}
.home-finding a{margin-top:auto;font:600 14px/1.5 var(--sans);color:var(--teal);text-underline-offset:4px}
.home-finding a:focus-visible{outline:2px solid var(--teal);outline-offset:5px}
#key-findings{scroll-margin-top:160px}
#visual-estimation,#sustained-control{scroll-margin-top:160px}
@media(max-width:800px){.home-findings{grid-template-columns:1fr}.home-finding{padding:22px}.home-finding h3{margin-top:12px}}