/* Research narrative; existing table and game controls retain their own styles. */
:root{--paper:#fff;--ink:#21352f;--muted:#616c67;--line:#dce4df;--green:#246753;--pale:#eef5f1;--white:#fff;--serif:Georgia,'Times New Roman',serif;--sans:'Segoe UI',Arial,sans-serif}
html{scroll-behavior:auto;scroll-padding-top:0}
body{background:#fff;font-size:16px;line-height:1.7}
.wrap{width:min(1080px,calc(100% - 64px))}
h2{font:600 34px/1.22 var(--sans);letter-spacing:-.035em}
h3{font-size:23px;line-height:1.35;letter-spacing:-.025em}
a{ text-underline-offset:4px }
.site-header{max-width:1280px;margin:auto;min-height:68px;padding:15px 40px;border-bottom:1px solid var(--line);gap:24px}
.site-header .wordmark{font-size:20px;letter-spacing:-.5px;color:var(--green)}
.site-header nav{margin-left:auto;margin-right:0;gap:28px;font-size:14px}
.paper-hero{text-align:center;padding:54px 0 34px}
.submission{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--green);font-weight:650}
.paper-hero h1{font:600 clamp(30px,3.8vw,47px)/1.2 var(--sans);letter-spacing:-.045em;max-width:1030px;margin:20px auto 19px;color:#24352f}
.paper-hero h1 span{color:var(--green);font-weight:750}
.paper-authors{font-size:16px;color:var(--muted)}
.paper-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin:25px 0 26px}
.paper-actions .button{border-radius:6px;padding:9px 19px;font-size:14px;gap:18px;min-height:44px}
.button.secondary{border:1px solid var(--line);background:#fff}
.button.secondary:hover{border-color:var(--green);background:var(--pale)}
.paper-lead{font-size:19px;line-height:1.65;max-width:790px;margin:auto;color:#4a5f55}
.research-route{display:grid;grid-template-columns:1fr 1fr;gap:28px;max-width:850px;margin:28px auto 0;text-align:left}
.research-route a{display:block;padding:16px 0 0;border-top:2px solid #b8cec3;text-decoration:none}
.research-route a:first-child{border-color:#b8ced8;display:block}
.research-route a:hover strong{text-decoration:underline;text-underline-offset:5px}
.research-route span{display:block;font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:var(--muted)}
.research-route strong{display:block;font-size:17px;margin:4px 0;color:var(--ink)}
.research-route small{display:block;font-size:12px;color:var(--muted)}
.research-part{padding-top:58px;border-top:1px solid var(--line)}
.part-heading{max-width:800px;text-align:center;margin:0 auto 34px}
.part-label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:#316880;font-weight:650;margin-bottom:12px}
.refinement-part .part-label{color:var(--green)}
.part-heading h2{font-size:38px;margin-bottom:18px}
.part-heading>p:last-child{font-size:17px;line-height:1.7;color:var(--muted)}
.part-protocol,.part-intro{max-width:900px;margin:0 auto 40px}
.part-protocol h3{font-size:23px;margin-bottom:12px}
.part-protocol>p,.part-intro{font-size:15px;color:var(--muted)}
.protocol-columns{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;margin:24px 0 0;padding:22px 0;border-block:1px solid var(--line)}
.protocol-columns dt{font-size:15px;font-weight:650;margin-bottom:7px}
.protocol-columns dd{margin:0;font-size:13px;line-height:1.7;color:var(--muted)}
.part-takeaway{max-width:900px;margin:30px auto 36px;padding:18px 23px;background:#f0f5f6;border-left:3px solid #90adbd;font-size:15px;line-height:1.75}
.refinement-part .part-takeaway{background:var(--pale);border-left-color:#9ab9a8}
.part-demo{background:#f6f8f6;border-top:1px solid #e8ede9}
.part-demo .section{padding-top:38px;padding-bottom:44px}
.part-demo .section-heading h3{font-size:25px;margin-bottom:12px}
.method-steps h4{font-size:18px;line-height:1.4;margin-bottom:10px}
.paper-figure{margin:0 auto;max-width:100%}
.figure-image{display:block;background:#fff;border-radius:5px;overflow:hidden;cursor:zoom-in}
.figure-image img{display:block;width:100%;height:auto}
.paper-figure figcaption{font-size:13px;line-height:1.65;color:var(--muted);margin:15px 4px 0;text-align:left}
.paper-figure figcaption strong{font-weight:650;color:var(--ink)}
.paper-figure figcaption a{white-space:nowrap;color:var(--green);margin-left:4px}
.paper-overview{padding-bottom:60px}
.paper-overview>.paper-figure{max-width:1000px}
.overview-text{max-width:820px;margin:44px auto 22px}
.overview-text h2{font-size:26px;margin-bottom:14px}
.overview-text p{color:#4e5d56}
summary{cursor:pointer;list-style:none}
summary::-webkit-details-marker{display:none}
summary:focus-visible{outline:3px solid #bd8744;outline-offset:4px}
.abstract-details{max-width:820px;margin:auto;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.abstract-details summary,.figure-details>summary,.citation-details>summary{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:15px 0;font-size:14px;font-weight:600}
.abstract-details p{font-size:15px;line-height:1.85;color:var(--muted);padding:6px 0 22px}
details[open]>summary{margin-bottom:10px}
.paper-section{padding-top:62px;padding-bottom:62px}
.soft-band{background:#f6f8f6;border-block:1px solid #e8ede9}
.paper-heading{text-align:center;max-width:760px;margin:0 auto 35px}
.paper-heading h2{margin-bottom:13px}
.paper-heading p{color:var(--muted);font-size:16px}
.method-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;list-style:none;counter-reset:method;margin:0 0 34px;padding:0}
.method-steps li{border-top:2px solid #a8c7b7;padding-top:17px;counter-increment:method}
.method-steps h3{font-size:18px;margin-bottom:10px}
.method-steps p{font-size:14px;line-height:1.75;color:var(--muted)}
.result-study+.result-study{border-top:1px solid var(--line);margin-top:45px;padding-top:45px}
.result-text{max-width:840px;margin:0 auto 26px}
.study-label{font-size:12px;font-weight:600;color:var(--green);letter-spacing:.07em;text-transform:uppercase;margin-bottom:10px}
.result-text h3{font-size:26px;max-width:820px;margin-bottom:13px}
.result-text p:not(.study-label){color:#54625b;font-size:16px}
.result-study>.paper-figure{max-width:950px}
.figure-details{border-top:1px solid var(--line);margin-top:24px}
.figure-details>summary{color:var(--green)}
.figure-details .paper-figure{margin:20px 0}
.preference-chart{max-width:840px;margin:25px auto;background:#f7f9f7;padding:26px 30px;border-radius:6px}
.chart-heading{display:flex;justify-content:space-between;align-items:baseline;gap:15px;margin-bottom:23px}
.chart-heading h4{font-size:16px}
.chart-heading>span{font-size:12px;color:var(--muted)}
.result-bar{display:grid;grid-template-columns:130px minmax(0,1fr) 50px;align-items:center;gap:15px;margin:13px 0;font-size:14px}
.result-bar>div{height:23px;position:relative;background:linear-gradient(90deg,#e3e8e3 1px,transparent 1px);background-size:25% 100%}
.result-bar i{display:block;height:100%;background:#c0ccc4;border-radius:0 3px 3px 0}
.result-bar b{text-align:right;font-size:14px;font-variant-numeric:tabular-nums;font-weight:500}
.result-bar.ours{font-weight:700;color:var(--green)}
.result-bar.ours i{background:#32795e}
.result-bar.ours b{font-weight:700}
.chart-axis{display:flex;justify-content:space-between;margin:15px 65px 0 145px;font-size:11px;color:var(--muted);border-top:1px solid #c8d3cb;padding-top:5px}
.preference-chart figcaption{font-size:12px;color:var(--muted);margin-top:18px}
.table-scroll{overflow-x:auto;margin:10px 0 14px}
.paper-table{width:100%;border-collapse:collapse;font-size:13px;white-space:nowrap;text-align:right;font-variant-numeric:tabular-nums}
.paper-table caption{text-align:left;padding-bottom:15px;color:var(--muted);font-size:12px}
.paper-table th,.paper-table td{padding:12px 16px;border-bottom:1px solid var(--line)}
.paper-table th:first-child{text-align:left;font-weight:500}
.paper-table thead{background:#f5f7f5}
.paper-table tr.ours{background:#edf5ef;color:var(--green);font-weight:700}
.results-scope{font-size:13px;color:var(--muted);padding-top:22px;margin-top:20px;border-top:1px solid var(--line)}
.demo-band{background:#f6f8f6;border-block:1px solid #e8ede9}
.section{padding-top:52px;padding-bottom:50px}
.section-heading{display:block;margin-bottom:25px}
.section-heading h2{font:600 30px/1.25 var(--sans);margin:0 0 12px;letter-spacing:-.035em}
.section-heading p{font-size:16px;color:var(--muted);max-width:800px}
.refinement{background:transparent;border:0;padding-top:18px}
.demo-disclosure{background:#fff;border:1px solid #ccd9d0;border-radius:7px;overflow:hidden}
.demo-disclosure>summary{font-size:17px;font-weight:600;display:flex;align-items:center;gap:18px;flex-wrap:wrap;padding:24px 26px;color:var(--green)}
.demo-disclosure>summary:before{content:'+';font-size:23px;font-weight:400;line-height:1}
.demo-disclosure[open]>summary:before{content:'−'}
.demo-disclosure>summary>span{font-size:12px;color:var(--muted);font-weight:400;margin-left:auto}
.demo-disclosure[open]>summary{border-bottom:1px solid var(--line);margin:0}
.demo-body{padding:28px}
.demo-caption{font-size:12px;color:var(--muted);margin:13px 2px 0;max-width:930px}
.evaluation-workbench{grid-template-columns:1.1fr 1fr;gap:24px}
.judge-panel{padding:20px;background:#f7f9f6;border:1px solid var(--line)}
.judge-picker{gap:5px}
.judge-chip{min-width:0}
.judge-chip span{overflow-wrap:anywhere}
.quote-card{margin-top:16px}
.quote-card blockquote{font-size:13px}
.dimension-reason{font-size:12px}
.small{font-size:12px}
.case-comparison{max-width:700px;margin:25px auto 0;padding-top:22px;border-top:1px solid var(--line)}
.case-comparison h3{font-size:17px;margin-bottom:17px}
.case-comparison .range-plot{max-width:600px}
.case-comparison .range-row{margin-bottom:14px}
.live-layout{grid-template-columns:1.65fr 1fr;gap:24px}
.live-toolbar{flex-wrap:wrap}
.refinement-intro{gap:18px;margin-bottom:27px}
.persona-stamp h3{font-size:20px}
.target-description p{font-size:13px}
.target-description b{font-size:14px}
.rules-panel{padding:20px}
.rules-panel h3{font:600 22px/1.3 var(--sans)}
.pilot-details blockquote{margin:16px 0;padding-left:18px;border-left:2px solid #a5bfac;font-size:14px;color:var(--muted)}
.pilot-details p{font-size:13px;margin-bottom:12px}
.conclusion{max-width:860px}
.conclusion h2{margin-bottom:20px}
.conclusion p{font-size:17px;line-height:1.85}
.conclusion p.muted{font-size:14px}
.resources{background:#f6f8f6;color:var(--ink);border-top:1px solid var(--line)}
.resources .section-heading p{color:var(--muted)}
.paper-resources{display:grid;grid-template-columns:repeat(2,1fr);gap:0 32px}
.paper-resources>a{display:flex;flex-direction:column;text-decoration:none;border-top:1px solid var(--line);padding:18px 0;gap:5px}
.paper-resources>a b{font-size:15px;color:var(--green)}
.paper-resources>a:hover b{text-decoration:underline}
.paper-resources>a span{font-size:12px;color:var(--muted)}
.resource-details{margin:12px 0 0}
.citation-details{margin-top:20px;border-top:1px solid var(--line)}
.citation-details summary>span{font-size:12px;color:var(--muted);font-weight:400}
.citation-details pre{font-size:12px;line-height:1.7;overflow:auto;background:#fff;padding:20px;border:1px solid var(--line);border-radius:4px;margin:18px 0 12px}
footer{display:flex;justify-content:space-between;gap:22px;padding-block:28px;font-size:11px;align-items:center}
footer .wordmark{font-size:17px}
footer>a:last-child{white-space:nowrap}
@media(max-width:1100px){.demo-body{padding:20px}.evaluation-workbench,.live-layout{grid-template-columns:1fr 1fr}.site-header{padding-inline:32px}.refinement-intro{grid-template-columns:1fr 1fr}.target-description{grid-column:1/-1}}
@media(max-width:800px){.wrap{width:calc(100% - 40px)}.site-header{padding:14px 20px;gap:18px}.site-header nav{display:flex;gap:17px;font-size:12px}.paper-hero{padding-top:38px}.paper-hero h1{font-size:36px}.wide-only{display:none}.paper-lead{font-size:17px}.paper-section{padding-block:44px}.method-steps{gap:20px}.method-steps h3{font-size:16px}.method-steps p{font-size:13px}.evaluation-workbench,.live-layout{grid-template-columns:1fr}.demo-disclosure>summary>span{margin-left:32px;width:100%}.game-picker{gap:8px}.game-option{padding:12px}.game-option small{font-size:10px}.game-glyph,.game-arrow{display:none}.refinement-intro{grid-template-columns:1fr 1fr}.paper-figure figcaption{font-size:12px}.result-text h3{font-size:23px}footer>span{display:none}}
@media(max-width:540px){.wrap{width:calc(100% - 32px)}.site-header{padding:12px 16px;display:block}.site-header .wordmark{font-size:18px}.site-header nav{margin-top:10px;justify-content:space-between;gap:10px}.paper-hero{padding-top:32px;padding-bottom:26px}.paper-hero h1{font-size:31px;line-height:1.24}.paper-authors{font-size:14px}.paper-actions{gap:8px;margin-block:20px}.paper-actions .button{font-size:12px;padding:8px 12px}.paper-lead{font-size:16px;line-height:1.7}.overview-text{margin-top:28px}.overview-text h2{font-size:24px}.overview-text p{font-size:15px}.paper-overview{padding-bottom:35px}h2{font-size:28px}.paper-heading p{font-size:15px}.method-steps{grid-template-columns:1fr;gap:20px}.method-steps h3{font-size:18px;margin-bottom:6px}.method-steps p{font-size:14px}.result-text h3{font-size:23px}.result-text p:not(.study-label){font-size:15px}.figure-details>summary{font-size:13px}.preference-chart{padding:18px 14px}.chart-heading{display:block}.chart-heading>span{display:block;margin-top:4px}.result-bar{grid-template-columns:98px minmax(0,1fr) 43px;gap:8px;font-size:11px}.result-bar b{font-size:12px}.result-bar>div{height:21px}.chart-axis{margin-left:106px;margin-right:51px}.preference-chart figcaption{font-size:11px}.section-heading h2{font-size:26px}.section-heading p{font-size:15px}.demo-body{padding:15px}.demo-disclosure>summary{padding:19px 16px;font-size:15px;gap:10px}.demo-disclosure>summary>span{margin-left:24px;font-size:11px}.game-picker{grid-template-columns:1fr}.game-option{padding:10px 13px}.game-option b{font-size:14px}.game-option small{display:inline}.judge-panel{padding:15px}.felt{padding:22px 13px 18px}.refinement-intro{grid-template-columns:1fr}.target-description{grid-column:auto}.target-stat{padding:0}.paper-resources{grid-template-columns:1fr}.conclusion p{font-size:16px}.citation-details summary{display:block}.citation-details summary>span{display:block;margin-top:4px}.table-scroll{margin-inline:-4px}.paper-table th,.paper-table td{padding:11px 13px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
@media(max-width:800px){.research-route{gap:20px}.research-route strong{font-size:15px}.part-heading h2{font-size:33px}.part-heading>p:last-child{font-size:16px}.protocol-columns{gap:18px}}
@media(max-width:540px){.research-route{grid-template-columns:1fr;gap:14px;margin-top:24px}.research-route a{padding-top:11px}.research-route strong{font-size:16px}.research-part{padding-top:36px}.part-heading h2{font-size:29px}.protocol-columns{grid-template-columns:1fr;gap:18px}.part-protocol h3{font-size:21px}.part-takeaway{font-size:14px;padding:15px 17px}.site-header nav a{display:inline}}

/* Full-viewport cover using the existing teaser's separate photo layer. */
.site-header{position:absolute;inset:0 0 auto;z-index:5;border-bottom:1px solid #ffffff24;color:#fff}
.site-header .wordmark{color:#fff}
.site-header nav a{color:#f0f5f2;text-shadow:0 1px 8px #06120f}
.teaser-hero{position:relative;isolation:isolate;display:grid;place-items:center;min-height:700px;min-height:100svh;padding:100px 0 95px;overflow:hidden;background:#101b1b;color:#fff}
.teaser-background{position:absolute;inset:0;z-index:-3;width:100%;height:100%;object-fit:cover;object-position:center}
.teaser-hero::before{content:"";position:absolute;inset:0;z-index:-2;background:linear-gradient(180deg,rgba(6,17,19,.70) 0%,rgba(6,17,19,.40) 30%,rgba(6,17,19,.42) 65%,rgba(6,17,19,.88) 100%),radial-gradient(ellipse at 50% 48%,rgba(6,17,19,.70) 0%,rgba(6,17,19,.42) 42%,rgba(6,17,19,.12) 78%)}
.hero-copy{position:relative;max-width:1100px;text-shadow:0 2px 24px #07171280}
.hero-emblem{display:block;width:clamp(260px,28vw,350px);height:auto;aspect-ratio:1384/707;margin:17px auto 16px;overflow:visible;filter:drop-shadow(0 8px 20px #0008)}
.teaser-hero .submission{color:#d6e8dc;font-size:11px;letter-spacing:.17em}
.teaser-hero h1{max-width:1060px;margin:10px auto 12px;letter-spacing:-.035em;color:#fff}
.teaser-hero h1 .project-name{display:block;font-size:clamp(60px,6.2vw,82px);font-weight:750;line-height:1;letter-spacing:-.055em;color:#fff;margin-bottom:16px}
.teaser-hero h1 .project-title{display:block;font-size:clamp(30px,3.1vw,40px);font-weight:500;line-height:1.2;letter-spacing:-.035em;color:#f5f8f5}
.teaser-hero .paper-authors{color:#d5ded8;font-size:13px;margin-top:14px}
.teaser-hero .paper-actions{margin:21px auto 0;gap:12px;text-shadow:none}
.teaser-hero .button{font-size:13px;min-height:44px;padding:10px 20px;border-radius:5px}
.teaser-hero .button.primary{background:#f3f6ee;color:#17352b;border:1px solid #f3f6ee}
.teaser-hero .button.primary:hover{background:#fff}
.teaser-hero .button.secondary{background:#0b201a5e;color:#fff;border:1px solid #ffffff73;backdrop-filter:blur(5px)}
.teaser-hero .button.secondary:hover{background:#ffffff26;border-color:#fff}
.hero-scroll{position:absolute;bottom:27px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:8px;color:#e7eeea;text-decoration:none;font-size:11px;letter-spacing:.06em;padding:8px 15px;white-space:nowrap}
.hero-scroll svg{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:1.5;transition:transform .2s ease}
.hero-scroll:hover svg{transform:translateY(4px)}
.teaser-hero a:focus-visible,.site-header a:focus-visible{outline:2px solid #fff;outline-offset:5px}
.paper-overview{scroll-margin-top:0}
.research-intro{padding:58px 0 43px}
.research-intro .paper-lead{text-align:center}
@media(max-width:800px){.teaser-hero{padding:100px 0 100px}.teaser-hero h1 .project-name{font-size:72px}.teaser-hero h1 .project-title{font-size:34px;max-width:660px;margin:auto}.hero-copy{width:calc(100% - 48px)}.research-intro{padding:44px 0 34px}}
@media(max-width:540px){.teaser-hero{min-height:740px;min-height:100svh;padding:120px 0 105px}.hero-copy{width:calc(100% - 40px)}.hero-emblem{width:260px;max-width:90%;margin:18px auto 17px}.teaser-hero .submission{font-size:10px;letter-spacing:.11em}.teaser-hero h1{margin:12px auto 12px}.teaser-hero h1 .project-name{font-size:62px;margin-bottom:18px}.teaser-hero h1 .project-title{font-size:28px;line-height:1.2;max-width:355px}.teaser-hero .paper-authors{font-size:12px;margin-top:14px}.teaser-hero .paper-actions{gap:8px;margin-top:21px}.teaser-hero .button{padding:9px 12px;font-size:11px}.hero-scroll{bottom:20px}.teaser-background{object-position:50% 50%}}
@media(max-height:620px) and (min-width:541px){.teaser-hero{min-height:620px}}

/* Public author metadata */
.teaser-hero .paper-authors{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 20px;font-size:15px;line-height:1.5;margin:22px 0 0}
.paper-authors>span{white-space:nowrap}.paper-authors sup{margin-left:2px;font-size:.72em}
.teaser-hero .author-contribution{font-size:12px;line-height:1.4;color:#dfdeee;margin:6px 0 0}
@media(max-width:540px){.teaser-hero .paper-authors{font-size:13px;gap:5px 16px;margin-top:18px}.teaser-hero .author-contribution{font-size:11px}}