:root {
  --paper: #eee8da;
  --paper-bright: #fbf8ef;
  --ink: #17202a;
  --muted: #6b6962;
  --line: #d5cdbd;
  --navy: #071b2a;
  --slate: #171b1d;
  --slate-2: #20272a;
  --chalk: #f4efe4;
  --chalk-muted: #c0bbaf;
  --brass: #b49358;
  --brass-dark: #806237;
  --ochre: #b49358;
  --ochre-dark: #806237;
  --cyan: #68a9bf;
  --sage: #78936f;
  --violet: #8e78a8;
  --danger: #8d443d;
  --shadow: 0 16px 40px rgba(23, 27, 29, .10);
  --radius: 2px;
  --max: 1500px;
  --serif: Georgia, 'Times New Roman', serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
}* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--serif); }
a { color: inherit; }
.skip-link { position: absolute; left: -999px; top: 0; }
.skip-link:focus { left: 1rem; top: 1rem; z-index: 1000; background: white; padding: .7rem 1rem; }
.site-header { max-width: var(--max); margin: 0 auto; padding: 28px 42px 20px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand { text-decoration: none; display: flex; flex-direction: column; line-height: 1.04; }
.brand-name { font-size: 1.15rem; letter-spacing: .02em; }
.brand-sub { font: .68rem/1.2 var(--mono); text-transform: uppercase; letter-spacing: .15em; color: var(--muted); margin-top: 4px; }
.primary-nav { display: flex; gap: 26px; font: .76rem/1 var(--sans); letter-spacing: .04em; }
.primary-nav a { text-decoration: none; padding: 8px 0; border-bottom: 1px solid transparent; }
.primary-nav a:hover, .primary-nav a:focus { border-color: var(--ochre); }
.nav-toggle { display: none; }
.hero { max-width: var(--max); margin: 0 auto; padding: 42px; display: grid; grid-template-columns: minmax(320px, .78fr) minmax(620px, 1.5fr); gap: 44px; align-items: stretch; }
.hero-copy { padding: 34px 8px 28px 0; display: flex; flex-direction: column; justify-content: center; }
.eyebrow { margin: 0 0 14px; color: var(--ochre-dark); font: 700 .68rem/1.4 var(--sans); text-transform: uppercase; letter-spacing: .14em; }
h1, h2, h3 { font-weight: 400; margin-top: 0; }
h1 { font-size: clamp(2.7rem, 5vw, 5.8rem); line-height: .95; letter-spacing: -.045em; margin-bottom: 28px; }
h1 em { font-weight: 400; color: var(--ochre-dark); }
.hero-lede { max-width: 670px; font-size: 1.25rem; line-height: 1.55; color: #47453f; margin: 0 0 30px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.button { display: inline-block; text-decoration: none; font: .76rem/1 var(--sans); letter-spacing: .04em; padding: 13px 17px; border: 1px solid var(--ink); }
.button-primary { background: var(--ink); color: var(--paper-bright); }
.button-secondary { background: transparent; }
.hero-principle { margin: 26px 0 0; color: var(--muted); font-size: .88rem; font-style: italic; }
.blackboard-wrap { min-height: 610px; }
.blackboard { height: 100%; min-height: 610px; background: radial-gradient(circle at 20% 10%, rgba(255,255,255,.035), transparent 33%), var(--slate); color: var(--chalk); padding: 26px 30px 24px; box-shadow: var(--shadow), inset 0 0 0 1px rgba(255,255,255,.03); position: relative; overflow: hidden; }
.blackboard::after { content: ''; position: absolute; inset: 0; opacity: .08; pointer-events: none; background-image: repeating-linear-gradient(0deg, rgba(255,255,255,.05) 0, rgba(255,255,255,.05) 1px, transparent 1px, transparent 6px); }
.board-topline { display: flex; justify-content: space-between; position: relative; z-index: 1; font: .64rem/1 var(--mono); text-transform: uppercase; letter-spacing: .13em; color: var(--chalk-muted); border-bottom: 1px solid rgba(255,255,255,.14); padding-bottom: 14px; }
.board-status { color: #d4b576; }
.board-fragments { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 26px 34px; padding: 30px 4px; }
.board-fragment { min-height: 180px; padding: 8px 8px 22px; border-bottom: 1px solid rgba(255,255,255,.08); }
.board-fragment:nth-child(3) { grid-column: 1 / -1; max-width: 72%; margin-left: auto; }
.board-label { display: flex; align-items: center; justify-content: space-between; gap: 12px; font: .6rem/1.2 var(--mono); color: #cfb576; text-transform: uppercase; letter-spacing: .08em; }
.claim-status { border: 1px solid rgba(212,181,118,.45); padding: 4px 7px; border-radius: 999px; }
.board-math { font-size: clamp(1.25rem, 2vw, 2.1rem); line-height: 1.35; margin: 28px 0 18px; }
.board-note { margin: 0; color: var(--chalk-muted); font-size: .88rem; line-height: 1.4; }
.board-legend { position: absolute; z-index: 1; left: 30px; bottom: 20px; margin: 0; font: .58rem/1.3 var(--mono); color: #8f958c; }
.section { max-width: var(--max); margin: 0 auto; padding: 74px 42px; }
.section-heading { display: grid; grid-template-columns: .55fr 1.45fr; gap: 60px; align-items: end; margin-bottom: 32px; }
.section-heading.compact { margin-bottom: 26px; }
.section-heading h2, .index-intro h2, .active-line h2, .infrastructure h2 { font-size: clamp(2rem, 3.1vw, 3.7rem); line-height: 1.02; letter-spacing: -.035em; margin-bottom: 0; }
.research-landscape { border-top: 1px solid var(--line); }
.research-grid { display: grid; grid-template-columns: 1.12fr .7fr .92fr; gap: 16px; align-items: stretch; }
.research-card { background: var(--paper-bright); border: 1px solid var(--line); padding: 28px; min-height: 330px; display: flex; flex-direction: column; box-shadow: 0 5px 18px rgba(25,20,10,.025); }
.research-card.primary { min-height: 390px; }
.research-card.horizon { border-right: 0; background: linear-gradient(90deg, var(--paper-bright) 0%, rgba(251,248,239,.72) 72%, rgba(242,238,226,0) 100%); position: relative; }
.research-card.horizon::after { content: '→'; position: absolute; right: 10px; bottom: 14px; font-size: 2.6rem; color: var(--ochre); }
.card-kicker { font: .62rem/1.3 var(--mono); color: var(--muted); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 18px; }
.research-card h3 { font-size: 1.8rem; line-height: 1.05; margin-bottom: 15px; }
.research-card p { color: #57534b; line-height: 1.5; margin: 0 0 20px; }
.card-meta { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.status-pill { font: .62rem/1 var(--mono); text-transform: uppercase; letter-spacing: .04em; border: 1px solid #b9ad96; padding: 6px 8px; background: rgba(255,255,255,.35); }
.card-links { display: flex; gap: 18px; flex-wrap: wrap; margin-top: auto; font: .76rem/1.2 var(--sans); }
.card-links a { text-underline-offset: 4px; }
.sequence { margin: 20px 0; display: flex; align-items: center; gap: 7px; flex-wrap: wrap; color: var(--ochre-dark); font: .75rem/1 var(--mono); }
.sequence span { border: 1px solid #c7b898; padding: 6px 8px; }
.sequence b { font-weight: 400; color: #8d806b; }
.active-line { display: grid; grid-template-columns: 1.6fr .4fr; gap: 60px; align-items: end; background: var(--ink); color: var(--paper-bright); max-width: none; padding-left: max(42px, calc((100vw - var(--max))/2 + 42px)); padding-right: max(42px, calc((100vw - var(--max))/2 + 42px)); }
.active-line .eyebrow { color: #d6b67a; }
.active-line p:not(.eyebrow) { max-width: 900px; color: #d4d0c6; font-size: 1.04rem; line-height: 1.55; }
.active-line-meta { display: flex; flex-direction: column; align-items: flex-start; gap: 18px; font: .78rem/1.2 var(--sans); }
.active-line .status-pill { border-color: #7f786d; }
.wider-archive { background: #ece6d8; max-width: none; padding-left: max(42px, calc((100vw - var(--max))/2 + 42px)); padding-right: max(42px, calc((100vw - var(--max))/2 + 42px)); }
.archive-shelves { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 0; border-top: 1px solid #c9c0ad; border-bottom: 1px solid #c9c0ad; }
.shelf { padding: 28px 28px 34px 0; border-right: 1px solid #c9c0ad; min-height: 230px; }
.shelf + .shelf { padding-left: 28px; }
.shelf:last-child { border-right: 0; }
.shelf-number { font: .62rem/1 var(--mono); color: var(--ochre-dark); }
.shelf h3 { margin: 36px 0 12px; font-size: 1.55rem; }
.shelf p { color: var(--muted); line-height: 1.45; }
.shelf a { font: .74rem/1.2 var(--sans); }
.math-index { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; border-bottom: 1px solid var(--line); }
.index-intro p:last-child { color: var(--muted); line-height: 1.5; max-width: 560px; }
.index-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.index-card { text-decoration: none; border: 1px solid var(--line); background: var(--paper-bright); padding: 24px; min-height: 145px; display: flex; flex-direction: column; justify-content: space-between; }
.index-card:hover { border-color: var(--ochre); }
.index-card span { font: .62rem/1 var(--mono); color: var(--muted); }
.index-card strong { font-size: 1.45rem; font-weight: 400; }
.recent-list { border-top: 1px solid var(--line); }
.recent-item { display: grid; grid-template-columns: 150px 1fr auto; gap: 30px; align-items: baseline; padding: 20px 0; border-bottom: 1px solid var(--line); }
.recent-date, .recent-type { font: .65rem/1.3 var(--mono); color: var(--muted); }
.recent-title { font-size: 1.16rem; }
.infrastructure { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; background: var(--slate-2); color: var(--chalk); max-width: none; padding-left: max(42px, calc((100vw - var(--max))/2 + 42px)); padding-right: max(42px, calc((100vw - var(--max))/2 + 42px)); }
.infrastructure .eyebrow { color: #d6b67a; }
.infra-links { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.infra-links a { text-decoration: none; border: 1px solid rgba(255,255,255,.16); padding: 18px; display: flex; justify-content: space-between; font: .75rem/1.2 var(--sans); }
.site-footer { max-width: var(--max); margin: 0 auto; padding: 44px 42px 60px; display: grid; grid-template-columns: 1fr 1fr; gap: 40px; font-size: .82rem; color: var(--muted); }
.footer-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 6px; font-family: var(--mono); font-size: .65rem; }

@media (max-width: 1050px) {
  .site-header { padding: 22px 24px; }
  .nav-toggle { display: block; background: none; border: 1px solid var(--line); padding: 8px 10px; }
  .primary-nav { display: none; position: absolute; top: 75px; right: 24px; padding: 18px; background: var(--paper-bright); border: 1px solid var(--line); flex-direction: column; z-index: 30; }
  .primary-nav.open { display: flex; }
  .hero { grid-template-columns: 1fr; padding: 26px 24px 50px; }
  .hero-copy { padding: 15px 0 0; }
  .blackboard-wrap, .blackboard { min-height: 520px; }
  .section { padding: 58px 24px; }
  .section-heading, .math-index, .active-line, .infrastructure { grid-template-columns: 1fr; gap: 30px; }
  .research-grid { grid-template-columns: 1fr; }
  .research-card.horizon { border-right: 1px solid var(--line); }
  .archive-shelves { grid-template-columns: 1fr; }
  .shelf, .shelf + .shelf { padding: 28px 0; border-right: 0; border-bottom: 1px solid #c9c0ad; }
  .shelf:last-child { border-bottom: 0; }
  .site-footer { padding: 36px 24px; }
}
@media (max-width: 650px) {
  h1 { font-size: 3.1rem; }
  .blackboard { padding: 20px; min-height: 620px; }
  .board-fragments { grid-template-columns: 1fr; gap: 12px; padding-top: 18px; }
  .board-fragment { min-height: 135px; }
  .board-fragment:nth-child(3) { grid-column: auto; max-width: none; margin-left: 0; }
  .board-math { margin: 18px 0 10px; font-size: 1.25rem; }
  .board-legend { left: 20px; right: 20px; }
  .index-grid, .infra-links { grid-template-columns: 1fr; }
  .recent-item { grid-template-columns: 1fr; gap: 7px; }
  .site-footer { grid-template-columns: 1fr; }
  .footer-meta { align-items: flex-start; }
}

.site-header.dark{max-width:none;background:var(--navy);color:var(--chalk);padding-left:max(42px,calc((100vw - var(--max))/2 + 42px));padding-right:max(42px,calc((100vw - var(--max))/2 + 42px));border-bottom:1px solid #2b4656}.site-header.dark .brand-sub{color:var(--brass)}
.hero-dark{max-width:none;background:var(--navy);color:var(--chalk);padding-left:max(42px,calc((100vw - var(--max))/2 + 42px));padding-right:max(42px,calc((100vw - var(--max))/2 + 42px));border-bottom:1px solid #2f4350}.hero-dark .hero-lede,.hero-dark .hero-principle{color:#c9c5ba}.hero-dark .button-primary{background:var(--brass);color:#181818;border-color:var(--brass)}.hero-dark .button-secondary{border-color:#7da9bb;color:var(--chalk)}.hero-quote{margin:0 0 28px;padding:0;border:0;max-width:690px;font-size:1.18rem;line-height:1.55;color:#e7e0d2}.hero-quote cite{display:block;margin-top:12px;color:var(--brass);font-size:.82rem;font-style:normal}.rooms-section{background:var(--paper-bright)}.rooms-lede{max-width:900px;color:var(--muted);font-size:1.04rem;line-height:1.6;margin:-5px 0 32px auto}.rooms-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.research-room-card{display:grid;grid-template-columns:48px 1fr;gap:16px;text-decoration:none;border:1px solid var(--line);background:#f7f3e9;padding:24px;min-height:235px;position:relative}.research-room-card:hover{border-color:var(--brass);transform:translateY(-1px)}.research-room-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brass)}.research-room-card.accent-cyan:before{background:var(--cyan)}.research-room-card.accent-sage:before{background:var(--sage)}.research-room-card.accent-violet:before{background:var(--violet)}.research-room-card.accent-slate:before{background:#7e8b90}.room-number{font:11px/1 var(--mono);color:var(--muted)}.research-room-card h3{font-size:1.55rem;margin:6px 0 12px}.research-room-card p{color:var(--muted);line-height:1.45;margin-bottom:20px}.enter-room{font:12px/1.2 var(--sans);color:var(--brass-dark)}.student-guidance-home{max-width:none;background:#17201f;color:#eee8da;padding:48px max(42px,calc((100vw - var(--max))/2 + 42px));display:grid;grid-template-columns:.65fr 1.35fr;gap:60px;border-top:1px solid #745e36;border-bottom:1px solid #745e36}.student-guidance-home .eyebrow{color:#d0aa64}.student-guidance-home h2{font-size:2rem}.student-guidance-home>p{max-width:950px;line-height:1.65;color:#cbc5b8;margin:0}
@media(max-width:1050px){.rooms-grid{grid-template-columns:1fr 1fr}.student-guidance-home{grid-template-columns:1fr;gap:15px}}@media(max-width:650px){.rooms-grid{grid-template-columns:1fr}.rooms-lede{margin-top:0}.hero-quote{font-size:1.05rem}}

/* Phase 15F: homepage current research map */
.current-research-map{max-width:none;background:#111b1c;color:#eee8dc;padding:60px max(42px,calc((100vw - var(--max))/2 + 42px)) 54px;border-top:1px solid #2d4649;border-bottom:1px solid #6d5834}.current-research-map-head{display:grid;grid-template-columns:1fr auto;gap:42px;align-items:end;margin-bottom:28px}.current-research-map-head h2{font-size:2.65rem;margin:.22rem 0 .5rem;color:#f1eadc}.current-research-map-head p:not(.eyebrow){max-width:910px;color:#bfc5bf;line-height:1.6;margin:0}.current-research-map-head>a{font:12px/1.3 var(--mono);color:#d5ad68;text-decoration:none;white-space:nowrap}.current-research-map-board{max-width:1500px;margin:0 auto;border:1px solid #304446;background:#142224;box-shadow:inset 0 0 70px rgba(0,0,0,.22);overflow-x:auto}.current-research-map-svg{display:block;width:100%;min-width:1000px;height:auto}.research-map-gridline{fill:none;stroke:rgba(211,225,216,.045);stroke-width:1}.research-map-bridge{stroke:#d0a85e;stroke-width:2;vector-effect:non-scaling-stroke;opacity:.9}.research-map-bridge.graph{stroke:#78a9ad;opacity:.78}.research-map-edge-label{font-family:var(--mono);font-size:10px;fill:#c4c7b9;text-anchor:middle;paint-order:stroke;stroke:#142224;stroke-width:5px;stroke-linejoin:round}.research-map-node{fill:#17282a;stroke:#9c8861;stroke-width:1.45;vector-effect:non-scaling-stroke}.research-map-node-cyan{stroke:#75aeb2}.research-map-node-sage{stroke:#98a88d}.research-map-node-violet{stroke:#a390ad}.research-map-node-slate{stroke:#88989c}.research-map-node-brass{stroke:#c5a466}.current-research-map a:hover rect,.current-research-map a:focus rect{stroke-width:2.8;fill:#1b3032}.research-map-kicker{font-family:var(--mono);font-size:8px;letter-spacing:.1em;fill:#9da8a2}.research-map-title{font-family:var(--sans);font-size:13px;font-weight:650;fill:#eee8dc}.current-research-map-legend{max-width:1500px;margin:14px auto 0;display:flex;flex-wrap:wrap;gap:14px 24px;align-items:center;font:10.5px/1.45 var(--mono);color:#aeb6b0}.current-research-map-legend>span:not(.research-map-bridge-notes){display:flex;align-items:center;gap:8px}.research-map-line{display:inline-block;width:31px;height:0;border-top:2px solid #d0a85e}.research-map-line.dashed{border-top-style:dashed;border-color:#78a9ad}.research-map-bridge-notes{flex-basis:100%;display:flex;gap:16px;flex-wrap:wrap;color:#ccc5b7;border-top:1px solid rgba(226,218,200,.12);padding-top:12px}.research-map-bridge-notes strong{color:#efe7d7;font-weight:600}@media(max-width:780px){.current-research-map{padding-left:24px;padding-right:24px}.current-research-map-head{grid-template-columns:1fr}.current-research-map-head>a{white-space:normal}.current-research-map-head h2{font-size:2.2rem}}

/* Phase 15G — cross-program bridge audit */
.current-research-map .research-map-bridge.mathematical-dependency { stroke-width: 2.7; }
.current-research-map .research-map-bridge.downstream-application { stroke-width: 2.1; stroke-dasharray: 4 7; }
.current-research-map-bridge-notes { display: grid; gap: .35rem; }


/* Phase 15O — newcomer experience */
.newcomer{padding:clamp(1.6rem,3vw,3rem) max(1.2rem,calc((100vw - 1180px)/2));border-top:1px solid rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.08)}
.newcomer-head{display:grid;grid-template-columns:minmax(0,.85fr) minmax(300px,1.15fr);gap:3rem;align-items:end;margin-bottom:1.2rem}
.newcomer-head h2{margin:.15rem 0 0;font-size:clamp(1.7rem,3vw,2.7rem);line-height:1;letter-spacing:-.035em;max-width:15ch}
.newcomer-head>p{margin:0;max-width:68ch;line-height:1.65;opacity:.74}
.newcomer-routes{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:rgba(255,255,255,.1)}
.newcomer-route{display:grid;grid-template-columns:2rem 1fr;gap:.5rem;padding:1.05rem;background:var(--bg,#111);text-decoration:none;min-height:205px}
.newcomer-route:hover{background:rgba(255,255,255,.045)}
.newcomer-number{font-family:var(--mono,monospace);font-size:.7rem;opacity:.38;padding-top:.1rem}
.newcomer-route .eyebrow{margin:0 0 .5rem;font-size:.69rem;letter-spacing:.1em}
.newcomer-route p:not(.eyebrow){font-size:.86rem;line-height:1.52;opacity:.7;margin:0 0 .85rem}
.newcomer-route strong{font-size:.76rem;font-weight:550}
.newcomer-key{display:flex;flex-wrap:wrap;gap:.7rem 1.3rem;margin-top:1rem;padding-top:.8rem;border-top:1px solid rgba(255,255,255,.07);font-size:.68rem;letter-spacing:.025em;opacity:.58}
.newcomer-key strong{font-size:.64rem;letter-spacing:.08em;margin-right:.25rem}
@media(max-width:900px){.newcomer-routes{grid-template-columns:repeat(2,minmax(0,1fr))}.newcomer-head{grid-template-columns:1fr;gap:1rem}}
@media(max-width:540px){.newcomer-routes{grid-template-columns:1fr}.newcomer-route{min-height:0}}


/* Phase 15P — small-screen research archive */
@media(max-width:720px){
  .site-header{padding:.75rem 1rem;align-items:flex-start;gap:.7rem}
  .brand-sub{font-size:.62rem}
  .primary-nav{display:flex;max-width:100%;overflow-x:auto;gap:.85rem;padding-bottom:.25rem;scrollbar-width:none}
  .primary-nav::-webkit-scrollbar{display:none}
  .primary-nav a{white-space:nowrap;font-size:.72rem}
  .hero{padding:2rem 1rem 1.5rem}
  .hero h1{font-size:clamp(2.5rem,13vw,4.4rem);line-height:.88}
  .hero-quote{font-size:.96rem;line-height:1.55}
  .hero-actions{display:grid;grid-template-columns:1fr;gap:.55rem}
  .button{text-align:center}
  .blackboard-wrap{margin-top:1.25rem}
  .board-fragments{display:block}
  .board-fragment{margin-bottom:.8rem}
  .rooms-section,.math-index,.current-research-map,.student-guidance-home{padding-left:1rem;padding-right:1rem}
  .rooms-grid{grid-template-columns:1fr}
  .current-research-map-board{overflow-x:auto;overscroll-behavior-inline:contain}
  .current-research-map-svg{min-width:900px}
  .current-research-map-head{display:block}
  .current-research-map-head>a{display:inline-block;margin-top:.8rem}
  .index-grid{grid-template-columns:1fr}
  .newcomer{padding-left:1rem;padding-right:1rem}
  .newcomer-head h2{max-width:none}
  .newcomer-key{display:grid;grid-template-columns:1fr 1fr}
}
@media(max-width:420px){
  .hero h1{font-size:2.65rem}
  .newcomer-key{grid-template-columns:1fr}
}


/* Phase 15Q — accessibility and semantic audit */
:focus-visible{
  outline:2px solid currentColor;
  outline-offset:3px;
}
a:focus-visible,button:focus-visible,summary:focus-visible{
  border-radius:2px;
}
.skip-link{
  position:fixed;
  left:1rem;
  top:.75rem;
  z-index:9999;
  transform:translateY(-180%);
  padding:.65rem .8rem;
  background:#fff;
  color:#111;
  text-decoration:none;
  transition:transform .12s ease;
}
.skip-link:focus{transform:translateY(0)}
[aria-current="page"]{text-decoration:underline;text-underline-offset:.22em}
.sr-only{
  position:absolute!important;
  width:1px!important;
  height:1px!important;
  padding:0!important;
  margin:-1px!important;
  overflow:hidden!important;
  clip:rect(0,0,0,0)!important;
  white-space:nowrap!important;
  border:0!important;
}
a{text-underline-offset:.15em}
.object-badge,.claim-status{font-weight:600}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{
    scroll-behavior:auto!important;
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
  }
}
@media(prefers-contrast:more){
  .research-room-card,.index-card,.newcomer-route,.board-fragment{
    border-color:currentColor!important;
  }
  .current-research-map-edge-label,.research-map-kicker,.program-map-edge-label{
    opacity:.95!important;
  }
}

.graph-text-alt{margin-top:.85rem;border-top:1px solid rgba(255,255,255,.09);padding-top:.75rem}
.graph-text-alt summary{cursor:pointer;font-size:.78rem;letter-spacing:.025em;opacity:.72}
.graph-text-alt ul{margin:.7rem 0 0;padding-left:1.2rem}
.graph-text-alt li{margin:.3rem 0;line-height:1.45;font-size:.8rem}
.graph-text-alt li span{opacity:.55;font-size:.72rem}

/* Phase 15U — launch policy and 404 */
.policy-page,.not-found{max-width:1180px;margin:0 auto;padding:clamp(2rem,5vw,5rem) 1.2rem}
.policy-page .section-heading{padding-left:0;padding-right:0}
.policy-page .section-heading h1,.not-found h1{font-size:clamp(2.4rem,6vw,5.6rem);line-height:.94;letter-spacing:-.045em;max-width:15ch}
.policy-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:rgba(255,255,255,.1);margin:2rem 0}
.policy-grid article{background:var(--bg,#111);padding:1.3rem;min-height:240px}
.policy-grid h2{font-size:1.3rem;line-height:1.15;margin:.25rem 0 .8rem}
.policy-grid p:not(.eyebrow),.policy-note p,.not-found p{line-height:1.65;opacity:.76}
.policy-note{border-top:1px solid rgba(255,255,255,.12);padding-top:1.4rem}
.not-found{min-height:70vh;display:flex;flex-direction:column;justify-content:center}
@media(max-width:700px){.policy-grid{grid-template-columns:1fr}}

/* Reference-led chalkboard presentation. Archive data remains unchanged. */
@font-face{font-family:ArchiveHand;src:url('fonts/Caveat.ttf') format('truetype');font-style:normal;font-weight:400 700;font-display:swap}
:root{--paper:#f5f2ed;--paper-bright:#fcfaf6;--ink:#20221e;--muted:#66645d;--line:#ded8cc;--navy:#0c1110;--slate:#101614;--brass:#c4a164;--brass-dark:#87652e;--hand:ArchiveHand,'Segoe Print','Bradley Hand',cursive}
body{background:var(--paper)}
.site-header.dark{background:#0b100f;border-bottom:1px solid #4b4738;padding-top:23px;padding-bottom:22px}
.brand-name{font-size:1.55rem;font-variant:small-caps;letter-spacing:.045em}
.brand-sub{font: .8rem/1.4 var(--serif);letter-spacing:.09em}
.primary-nav{font-family:var(--serif);font-size:.88rem;gap:24px}
.hero.hero-dark,.room-board.room-board,.current-research-map,.site-footer{background-color:#0b110f;background-image:radial-gradient(ellipse at 34% 42%,#a6ad9e0d,transparent 48%),repeating-linear-gradient(174deg,transparent 0 11px,#d5d8ce04 12px,transparent 13px 23px),repeating-linear-gradient(3deg,transparent 0 31px,#dadace04 32px,transparent 34px 49px)}
.hero.hero-dark{grid-template-columns:minmax(280px,.8fr) minmax(0,1.4fr);gap:38px;padding-top:30px;padding-bottom:40px;position:relative;border-bottom:4px solid #252b23}
.hero.hero-dark:before{content:'';position:absolute;inset:12px 18px;border:1px solid #c2b99428;pointer-events:none}
.hero-copy{justify-content:flex-start;padding:38px 8px 24px 0}
.hero h1{font-size:clamp(2.1rem,3.5vw,3.8rem);line-height:1.13;letter-spacing:-.025em;color:#d5b579;margin-bottom:25px}
.hero .eyebrow{color:#efebe0;font:1.35rem/1.3 var(--serif);letter-spacing:.015em;text-transform:none;font-weight:400}
.hero-quote{font-size:1.05rem;line-height:1.75;border-top:1px solid #b595565e;padding-top:23px}
.hero-principle{color:#d5b579!important;font-size:1rem;line-height:1.6}
.button{font-family:var(--serif);font-size:.92rem;line-height:1.2}
.hero-dark .button-primary{background:#a37b38;color:#fff9e9;border-color:#c5a165}
.hero-dark .button-secondary{border-color:#a69b796e}
.blackboard-wrap{min-width:0;min-height:520px}
.blackboard{min-height:520px;background:transparent;box-shadow:none;padding:22px 8px;overflow:visible}
.blackboard:after{display:none}
.board-topline{font:1.12rem/1.4 var(--hand);text-transform:none;letter-spacing:.015em;border-bottom:0;color:#c7af77;gap:20px}
.board-fragments{padding:12px 0 48px;grid-template-columns:1fr 1fr;gap:20px 32px}
.board-fragment{padding:14px 5px 20px;min-height:180px;border-bottom:1px solid #e6debf38;transform:rotate(-1.2deg)}
.board-fragment:nth-child(2){transform:rotate(.8deg);margin-top:46px}
.board-fragment:nth-child(3){grid-column:1/-1;max-width:83%;margin:0 0 0 auto;transform:rotate(-.6deg)}
.board-label{display:block;font:1.25rem/1.35 var(--hand);text-transform:none;letter-spacing:0;color:#dcc18b}
.claim-status{display:block;width:fit-content;border:0;border-bottom:1px solid #cbb07b77;border-radius:0;padding:4px 0;font:1rem/1.35 var(--hand);color:#acae9c}
.board-math{font:1.6rem/1.5 var(--hand);margin:20px 0 16px;overflow-wrap:anywhere;color:#eeeade;text-shadow:0 0 1px #eeeade55}
.board-math mjx-container{max-width:100%;font-size:100%!important}
.board-note{font:1.35rem/1.4 var(--hand);color:#b8c8c4}
.board-legend{font:.84rem/1.5 var(--serif);left:8px;bottom:0;color:#a1a798;max-width:95%}
.section{padding-top:48px;padding-bottom:48px}
.section-heading h2,.index-intro h2{font-size:clamp(1.9rem,2.7vw,2.8rem);line-height:1.15}
.research-room-card{background:#fbf9f4;border-color:#dfd9ce;box-shadow:0 3px 8px #382a1610;min-height:215px}
.research-room-card:before{width:1px;background:#b79a62!important}
.research-room-card h3{font-size:1.4rem;line-height:1.22}
.room-number{font:1rem/1.3 var(--hand);color:#947744}
.room-board.room-board{border-color:#8e79524a;gap:45px;padding-top:48px;padding-bottom:48px}
.room-board.room-board h1{font-size:clamp(2.4rem,4.7vw,4.8rem);line-height:1.08;letter-spacing:-.025em;color:#e2cf9f}
.board-sketch{font-family:var(--hand);border-color:#c9c2a84d;color:#e3dece}
.board-sketch span{font-size:1.65rem;line-height:1.5}
.board-sketch small{font-size:1.05rem;color:#b1c2bd}
.room-meta{background:#141b17;border-color:#645a40;font-size:.85rem}
.current-research-map-board{background:#101815;border-color:#a8946440}
.research-map-node{fill:#111b16;stroke:#ad9462}
.research-map-node:hover{fill:#18231b}
.research-map-title{font-family:var(--hand);font-size:17px;font-weight:400}
.site-footer{color:#e1ddcf}
@media(max-width:1000px){.hero.hero-dark{grid-template-columns:1fr;gap:10px}.hero-copy{max-width:720px;padding-bottom:0}.hero h1{max-width:680px}.blackboard-wrap{min-height:460px}.blackboard{min-height:460px}.board-fragments{grid-template-columns:1fr 1fr}.board-fragment:nth-child(3){max-width:75%}.primary-nav{flex-wrap:wrap;gap:14px}}
@media(max-width:620px){.hero.hero-dark{padding:30px 26px}.hero.hero-dark:before{inset:10px}.site-header.dark{padding:20px 26px}.brand-name{font-size:1.3rem}.hero h1{font-size:2.3rem}.hero-quote{font-size:1rem}.board-fragments{display:block;padding-bottom:45px}.board-fragment,.board-fragment:nth-child(2),.board-fragment:nth-child(3){max-width:100%;margin:12px 0;min-height:0;transform:none;padding:14px 0}.blackboard-wrap,.blackboard{min-height:0}.blackboard{padding-bottom:48px}.board-legend{position:static;margin-top:8px}.board-topline{flex-wrap:wrap}.board-math{font-size:1.25rem}.board-note{font-size:1.3rem}.room-board.room-board{padding:32px 24px}.room-board.room-board h1{font-size:2.5rem}.board-sketch{display:block;padding:22px;min-height:0}.section-heading{gap:20px}.research-room-card{min-height:0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.research-room-card:hover{transform:none}}

.board-math{overflow-x:auto;overflow-y:hidden;padding:6px 2px 12px;max-width:100%;min-width:0}.board-math mjx-container{display:inline-block;max-width:none!important}.board-math svg{max-width:none;height:auto}.board-fragment{min-width:0}