:root{--gold:#c0995e;--gold-light:#d4b07c;--gold-dark:#866a40;--accent:#c0995e;--accent-soft:#f3ece2;--ink:#111;--muted:#616161;--paper:#f7f7f7;--surface:#fff;--line:#dcdcdc;--shadow:0 2px 9px rgba(0,0,0,.17);--sans:"IBM Plex Sans",sans-serif;--mono:"IBM Plex Mono",monospace}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);line-height:1.65;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:var(--gold-dark);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
:focus-visible{outline:3px solid #d5b277;outline-offset:3px}
.skip-link{position:fixed;z-index:1000;transform:translateY(-120%);background:var(--gold);color:#111;padding:8px 14px}
.skip-link:focus{transform:none}
.container,.container-wide{width:min(calc(100% - 40px),1000px);margin-inline:auto}
.container-wide{width:min(calc(100% - 40px),1180px)}
.site-nav{position:sticky;top:0;z-index:100;border-bottom:1px solid var(--line);background:rgba(255,255,255,.97);box-shadow:0 1px 12px rgba(0,0,0,.16);backdrop-filter:blur(12px)}
.nav-inner{display:flex;width:min(calc(100% - 40px),1000px);min-height:63px;align-items:center;justify-content:space-between;margin:auto}
.brand{display:flex;align-items:center;gap:8px;color:#000;font-size:1.08rem}
.brand img{width:30px;height:30px}
.brand:hover{text-decoration:none;opacity:.78}
.nav-links{display:flex;align-items:stretch;gap:2px}
.nav-links a{position:relative;display:flex;align-items:center;padding:19px 11px 17px;color:var(--gold-dark);font-size:.92rem;font-weight:600;white-space:nowrap}
.nav-links a::after{position:absolute;right:11px;bottom:9px;left:11px;height:2px;transform:scaleX(0);background:var(--gold);content:""}
.nav-links a:hover,.nav-links a.nav-active{color:var(--gold);text-decoration:none}
.nav-links a:hover::after,.nav-links a.nav-active::after{transform:scaleX(1)}
.hero{padding:30px 0 70px}
.hero-card,.teaser-card,.prose-card,.takeaway-card,.card-grid article,.results-shell,.finding,.bib-card{border:1px solid var(--line);border-radius:10px;background:var(--surface);box-shadow:var(--shadow)}
.hero-card{position:relative;overflow:hidden;padding:52px 54px 48px;text-align:center}
.hero-card::before,.teaser-card::before,.card-grid article::before,.results-shell::before{position:absolute;top:16px;bottom:16px;left:0;width:4px;border-radius:0 3px 3px 0;background:linear-gradient(var(--gold),transparent);content:""}
.eyebrow,.section-kicker,.mini-label{margin:0 0 12px;color:var(--gold);font-family:var(--mono);font-size:.76rem;font-weight:500;letter-spacing:.08em;text-transform:uppercase}
.eyebrow span{margin-inline:8px;color:#aaa}
.hero h1{max-width:920px;margin:0 auto;font-size:clamp(2.7rem,6.7vw,4.75rem);letter-spacing:-.055em;line-height:1.02}
.hero h1 span{color:var(--accent)}
.hero-subtitle{max-width:760px;margin:23px auto 0;color:#333;font-size:clamp(1rem,2.1vw,1.25rem);line-height:1.5}
.authors{display:flex;justify-content:center;margin-top:27px;gap:24px}
.authors a{color:var(--gold-dark);font-weight:600}
.affiliation{margin:9px 0 0;color:var(--muted);font-size:.85rem}
.hero-actions{display:flex;flex-wrap:wrap;justify-content:center;margin-top:27px;gap:8px}
.button{display:inline-flex;align-items:center;min-height:36px;border:1px solid #555;border-radius:6px;background:#555;color:#fff;padding:6px 13px;font-size:.82rem;font-weight:600}
.button:hover{background:#3f3f3f;color:#fff;text-decoration:none}
.button-primary{border-color:var(--gold-dark);background:var(--gold-dark)}
.button-primary:hover{background:var(--gold)}
.teaser-card{position:relative;overflow:hidden;margin-top:25px}
.teaser-card img{width:100%;padding:18px;background:#fff}
.teaser-card p{margin:0;border-top:1px solid var(--line);padding:15px 22px 18px;color:var(--muted);font-size:.88rem;text-align:center}
.stat-strip{border-block:1px solid var(--line);background:#fff}
.stats{display:grid;grid-template-columns:repeat(4,1fr)}
.stats div{padding:27px 18px;text-align:center}
.stats div+div{border-left:1px solid var(--line)}
.stats strong{display:block;color:var(--accent);font-family:var(--mono);font-size:1.45rem}
.stats span{display:block;margin-top:5px;color:var(--muted);font-size:.76rem}
.section{padding:78px 0}
.section-muted{border-block:1px solid var(--line);background:#efefef}
.section-heading{max-width:820px;margin:0 0 38px}
.section-heading.narrow{margin-left:auto;margin-right:auto;text-align:center}
.section-heading h2{display:inline-block;margin:0;border-bottom:2px solid var(--gold);padding-bottom:9px;font-size:clamp(1.7rem,4vw,2.4rem);letter-spacing:-.028em;line-height:1.2}
.section-heading>p:last-child:not(.section-kicker){margin:14px 0 0;color:var(--muted)}
.two-column{display:grid;grid-template-columns:1.4fr .6fr;gap:20px}
.prose-card{padding:30px 33px}
.prose-card p{margin:0;color:#333}
.prose-card p+p{margin-top:16px}
.takeaway-card{display:flex;flex-direction:column;justify-content:center;padding:30px;background:var(--accent-soft)}
.takeaway-card blockquote{margin:0;color:#654d2c;font-size:1.08rem;font-weight:600;line-height:1.55}
.card-grid{display:grid;gap:16px}
.card-grid.four{grid-template-columns:repeat(4,1fr)}
.card-grid article{position:relative;min-height:220px;padding:25px 23px}
.card-index{color:var(--accent);font-family:var(--mono);font-size:.74rem}
.card-grid h3{margin:31px 0 9px;font-size:1.06rem}
.card-grid p{margin:0;color:var(--muted);font-size:.86rem}
.evidence-group+.evidence-group{margin-top:68px}
.evidence-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.evidence-card,.heatmap-card,.curve-card{overflow:hidden;margin:0;border:1px solid var(--line);border-radius:10px;background:#fff;box-shadow:var(--shadow)}
.evidence-card-wide{grid-column:1/-1}
.figure-link{display:flex;min-height:300px;align-items:center;justify-content:center;overflow:hidden;background:#f5f3ef;padding:18px}
.figure-link img{width:100%;max-height:680px;object-fit:contain;transition:transform .2s ease}
.figure-link:hover img{transform:scale(1.008)}
.evidence-card figcaption,.heatmap-card figcaption,.curve-card figcaption{display:grid;gap:4px;border-top:1px solid var(--line);padding:16px 18px}
.evidence-card figcaption strong,.heatmap-card figcaption strong,.curve-card figcaption strong{color:#24201a;font-size:.96rem}
.evidence-card figcaption span,.heatmap-card figcaption span,.curve-card figcaption span{color:var(--muted);font-size:.79rem;line-height:1.5}
.heatmap-key{margin:0 0 40px;border-left:4px solid var(--gold);background:#fff;padding:13px 16px;color:#4d4d4d;font-size:.79rem;box-shadow:var(--shadow)}
.heatmap-key span{color:var(--muted)}
.compact-group+.compact-group{margin-top:54px}
.heatmap-stack,.curve-stack{display:grid;gap:24px}
.heatmap-card figcaption,.curve-card figcaption{border-top:0;border-bottom:1px solid var(--line)}
.figure-scroll{display:block;overflow-x:auto;background:#fff;padding:14px}
.figure-scroll img{width:100%;min-width:1000px}
.finding-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}
.finding{padding:28px 25px}
.finding.strong{border-top:4px solid var(--accent)}
.finding h3{margin:7px 0 12px;font-size:1.12rem;line-height:1.35}
.finding p:last-child{margin:0;color:var(--muted);font-size:.87rem}
.citation{background:#efefef}
.bib-card{overflow:hidden}
.bib-toolbar{display:flex;align-items:center;min-height:49px;border-bottom:1px solid var(--line);padding:0 17px}
.bib-toolbar>span:first-child{color:var(--gold);font-family:var(--mono);font-size:.73rem;letter-spacing:.08em;text-transform:uppercase}
.bib-toolbar button{margin-left:auto;border:0;border-radius:5px;background:#555;color:#fff;padding:6px 12px;font-weight:600;cursor:pointer}
.copy-status{min-width:65px;margin-left:10px;color:#487451;font-size:.75rem}
.bib-card pre{overflow:auto;margin:0;background:#f7f7f7;padding:28px 30px;color:#222;font:400 .82rem/1.65 var(--mono)}
.site-footer{border-top:1px solid var(--line);padding:35px 0 25px;background:var(--paper);color:var(--muted)}
.footer-grid{display:grid;grid-template-columns:repeat(2,minmax(0,240px));gap:70px}
.footer-grid h2{margin:0 0 10px;color:var(--gold);font-size:.73rem;letter-spacing:.1em;text-transform:uppercase}
.footer-grid div{font-size:.82rem}
.footer-grid a{color:var(--muted)}
.footer-note{margin:28px 0 0;color:#888;font-size:.76rem;text-align:center}
[hidden]{display:none!important}
@media(max-width:900px){.card-grid.four{grid-template-columns:repeat(2,1fr)}
.two-column{grid-template-columns:1fr}
.stats{grid-template-columns:repeat(2,1fr)}
.stats div:nth-child(3){border-top:1px solid var(--line);border-left:0}
.stats div:nth-child(4){border-top:1px solid var(--line)}
}
@media(max-width:760px){.container,.container-wide,.nav-inner{width:min(calc(100% - 28px),1000px)}
.brand strong{display:none}
.nav-links{max-width:calc(100vw - 70px);overflow-x:auto}
.nav-links a{padding:17px 9px 15px;font-size:.82rem}
.hero{padding:22px 0 55px}
.hero-card{padding:37px 22px 34px}
.hero h1{font-size:clamp(2.3rem,12vw,3.5rem)}
.teaser-card{overflow-x:auto}
.teaser-card img,.teaser-card p{min-width:760px}
.section{padding:60px 0}
.finding-grid{grid-template-columns:1fr}
.evidence-grid{grid-template-columns:1fr}
.evidence-card-wide{grid-column:auto}
.figure-link{min-height:220px;padding:12px}
.evidence-group+.evidence-group{margin-top:54px}
.heatmap-key{margin-bottom:32px}
}
@media(max-width:520px){.card-grid.four,.stats,.footer-grid{grid-template-columns:1fr}
.stats div+div,.stats div:nth-child(3),.stats div:nth-child(4){border-top:1px solid var(--line);border-left:0}
.authors{gap:14px}
.button{padding-inline:10px}
.bib-card pre{padding:20px;font-size:.68rem}
}

.project-menu{border-bottom:1px solid var(--line);background:#f1f1f1}
.project-menu .container{display:flex;align-items:center;justify-content:center;gap:3px;overflow-x:auto;padding-block:8px}
.project-menu a{flex:0 0 auto;border-radius:5px;color:#505050;padding:6px 11px;font-size:.79rem;font-weight:600}
.project-menu a:hover{background:#fff;color:var(--gold-dark);text-decoration:none}
.benchmark-detail,.signal-atlas{margin-top:58px}
.subsection-heading{max-width:820px;margin:0 0 24px}
.subsection-heading h3{margin:0;font-size:clamp(1.35rem,3vw,1.75rem);letter-spacing:-.022em}
.subsection-heading>p:last-child{margin:10px 0 0;color:var(--muted)}
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:9px;background:#fff;box-shadow:var(--shadow)}
.data-table{width:100%;min-width:760px;border-collapse:collapse;font-size:.84rem}
.data-table th,.data-table td{border-bottom:1px solid #e6e6e6;padding:13px 15px;text-align:left;vertical-align:middle}
.data-table thead th{background:#e9e9e9;color:#4d4d4d;font-family:var(--mono);font-size:.68rem;letter-spacing:.055em;text-transform:uppercase}
.data-table tbody th{color:#202020;font-weight:600}
.data-table tbody tr:last-child th,.data-table tbody tr:last-child td{border-bottom:0}
.data-table tbody tr:hover{background:#f8fafc}
.coverage-table th:first-child{width:19%}
.coverage-table td:nth-child(2),.coverage-table td:nth-child(3){white-space:nowrap}
.metric-legend{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-top:0;border-radius:0 0 9px 9px;background:#fafafa}
.table-scroll+.metric-legend{margin-top:-9px;padding-top:9px}
.metric-legend span{padding:16px;color:var(--muted);font-size:.75rem}
.metric-legend span+span{border-left:1px solid var(--line)}
.metric-legend strong{display:block;color:var(--accent);font-family:var(--mono);font-size:.76rem}
.signal-atlas{overflow-x:auto;border:1px solid var(--line);border-radius:10px;background:#fff;padding:28px;box-shadow:var(--shadow)}
.atlas-scale{display:grid;grid-template-columns:repeat(9,minmax(68px,1fr));min-width:760px;margin:0 0 6px 104px;color:#777;font-family:var(--mono);font-size:.65rem;text-align:center}
.atlas-row{display:grid;grid-template-columns:90px minmax(760px,1fr);align-items:center;gap:14px;min-width:864px;margin:0}
.atlas-row+.atlas-row{margin-top:8px}
.atlas-row figcaption{color:#555;font-family:var(--mono);font-size:.7rem;font-weight:500;text-transform:uppercase}
.atlas-images{display:grid;grid-template-columns:repeat(9,1fr);gap:5px}
.atlas-images img{width:100%;aspect-ratio:1;object-fit:cover;border:1px solid #ddd;border-radius:3px;background:#eee}
.model-table-wrap{border-top:4px solid var(--accent)}
.model-table th:first-child{width:17%}
.model-table td:nth-child(4),.model-table td:nth-child(5){width:58px;color:var(--accent);text-align:center}
.family-tag{display:inline-flex;border-radius:20px;padding:3px 8px;font-family:var(--mono);font-size:.65rem;font-weight:500;letter-spacing:.02em}
.family-tag.inr{background:#eaf2f8;color:#275d86}
.family-tag.hybrid{background:#e8eef3;color:#426074}
.family-tag.discrete{background:#efe9f6;color:#674783}
.family-tag.grid{background:#f3eadc;color:#6f5732;box-shadow:inset 0 0 0 1px #dec69f}
.metric-explorer{overflow:hidden;border:1px solid var(--line);border-radius:10px;background:#fff;box-shadow:var(--shadow)}
.explorer-controls{display:grid;grid-template-columns:1.25fr .8fr 1fr;align-items:end;gap:16px;border-bottom:1px solid var(--line);background:#ededed;padding:20px}
.explorer-controls label{display:grid;gap:6px;color:#555;font-family:var(--mono);font-size:.67rem;font-weight:500;letter-spacing:.045em;text-transform:uppercase}
.explorer-controls select{width:100%;min-height:42px;border:1px solid #bbb;border-radius:6px;background:#fff;color:#222;padding:8px 34px 8px 11px;font:500 .86rem var(--sans)}
.explorer-summary{display:flex;min-height:42px;flex-direction:column;justify-content:center;border-left:3px solid var(--accent);background:#fff;padding:6px 12px}
.explorer-summary span{color:var(--muted);font-size:.69rem}
.explorer-summary strong{margin-top:2px;color:var(--accent);font-size:.92rem}
.explorer-description{min-height:52px;margin:0;border-bottom:1px solid var(--line);padding:15px 20px;color:#444;font-size:.84rem}
.metric-explorer .table-scroll{border:0;border-radius:0;box-shadow:none}
.results-table{min-width:800px}
.results-table th:first-child,.results-table td:first-child{width:60px;text-align:center}
.results-table td:nth-child(4),.results-table td:nth-child(5){font-family:var(--mono);font-variant-numeric:tabular-nums}
.results-table tr.row-best{background:#f7f0e6}
.results-table tr.row-grid th{color:#6f5732}
.results-table tr.row-grid{box-shadow:inset 4px 0 var(--gold)}
.score-track{display:block;width:150px;height:8px;overflow:hidden;border-radius:10px;background:#e4e4e4}
.score-fill{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--gold-dark),var(--gold-light))}
.row-best .score-fill{background:linear-gradient(90deg,var(--gold-dark),var(--gold))}
.data-note{margin:0;border-top:1px solid var(--line);background:#fafafa;padding:14px 20px;color:#777;font-size:.73rem}
.bar-heading{min-width:185px}

@media(max-width:900px){.metric-legend{grid-template-columns:repeat(2,1fr)}
.metric-legend span:nth-child(3){border-top:1px solid var(--line);border-left:0}
.metric-legend span:nth-child(4){border-top:1px solid var(--line)}
.explorer-controls{grid-template-columns:1fr 1fr}
.explorer-summary{grid-column:1/-1}
.benchmark-detail,.signal-atlas{margin-top:48px}
}
@media(max-width:760px){.project-menu .container{justify-content:flex-start}
.signal-atlas{padding:20px 16px}
.metric-legend{grid-template-columns:1fr}
.metric-legend span+span,.metric-legend span:nth-child(3),.metric-legend span:nth-child(4){border-top:1px solid var(--line);border-left:0}
.explorer-controls{grid-template-columns:1fr}
.explorer-summary{grid-column:auto}
.subsection-heading{max-width:calc(100vw - 62px)}
}