/* Layout: sticky top nav, one "page" per section switched by #hash; wide hero with a live picosecond-pulse trace, then asymmetric grids. */
:root{
  --bg:#f3f6f8; --surface:#ffffff; --ink:#0d2233; --muted:#536878; --line:#d5dee5;
  --accent:#00707f; --accent-ink:#ffffff; --pulse:#d9601a; --deep:#0b2a3d; --deep-ink:#e8f1f5; --head-bg:#ffffff; --head-ink:#0d2233; --mark:#9a1c1f;
  --display:"Jost","Futura","Century Gothic","Segoe UI",system-ui,sans-serif;
  --body:"IBM Plex Sans","Segoe UI",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  --wrap:1120px;
}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]){
  --bg:#071821; --surface:#0e2531; --ink:#e4eef3; --muted:#93a9b6; --line:#213b49;
  --accent:#4cc4d2; --accent-ink:#04222a; --pulse:#ff9550; --deep:#03101a; --deep-ink:#e4eef3; --head-bg:#e3eaee; color-scheme:dark } }
:root[data-theme="dark"]{
  --bg:#071821; --surface:#0e2531; --ink:#e4eef3; --muted:#93a9b6; --line:#213b49;
  --accent:#4cc4d2; --accent-ink:#04222a; --pulse:#ff9550; --deep:#03101a; --deep-ink:#e4eef3; --head-bg:#e3eaee; color-scheme:dark }

*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font:400 16px/1.6 var(--body);margin:0}
a{color:var(--accent);text-underline-offset:3px}
a:focus-visible,button:focus-visible{outline:2px solid var(--pulse);outline-offset:2px}
h1,h2,h3{font-family:var(--display);line-height:1.12;text-wrap:balance;margin:0}
h1{font-size:clamp(2.1rem,5.2vw,3.6rem);font-weight:600;letter-spacing:-.01em}
h2{font-size:clamp(1.6rem,3.2vw,2.2rem);font-weight:600;letter-spacing:0}
h3{font-size:1.12rem;font-weight:500}
p{margin:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding-inline:20px}
.eyebrow{font:500 .74rem/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.muted{color:var(--muted)}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* header */
header.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:10;background:var(--head-bg);color:var(--head-ink);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:6px 24px;flex-wrap:wrap;padding-block:8px}
.brand{font:700 1.3rem/1 var(--display);color:var(--head-ink);text-decoration:none;letter-spacing:-.01em;display:flex;align-items:center}
.brand b{color:var(--mark);font-weight:700}
.brand img{height:48px;width:auto;display:block}
.brand img+span{display:none}
.top nav{display:flex;flex-wrap:wrap;gap:2px 4px;margin-left:auto}
.top nav a{color:var(--head-ink);opacity:.78;text-decoration:none;font-size:.9rem;padding:6px 10px;border-radius:4px}
.top nav a:hover{opacity:1}
.top nav a[aria-current="page"]{opacity:1;box-shadow:inset 0 -2px 0 var(--mark)}

/* hero */
.hero{background:var(--deep);color:var(--deep-ink)}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:32px;align-items:center;padding-block:48px 56px}
.hero p.lede{font-size:1.1rem;max-width:52ch;margin-top:16px;opacity:.86}
.hero .eyebrow{color:var(--pulse)}
.hero h1{margin-top:14px}
.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.btn{display:inline-block;padding:10px 18px;border-radius:4px;font-weight:500;text-decoration:none;border:1px solid transparent}
.btn.solid{background:var(--pulse);color:#1a0b02}
.btn.ghost{border-color:currentColor;color:var(--deep-ink)}
.scope{border:1px solid rgba(255,255,255,.16);border-radius:6px;padding:10px 10px 6px;min-width:0}
.scope canvas{display:block;width:100%;height:230px}
.scope.panel{background:var(--deep);color:var(--deep-ink)}
.heropic{min-width:0}
.heropic .ph{aspect-ratio:3/2;border-radius:6px}
.heropic figcaption{font:400 .72rem/1.4 var(--mono);opacity:.7;padding-top:8px}
.scope figcaption{font:400 .72rem/1.4 var(--mono);opacity:.7;padding:6px 4px 2px}
figure{margin:0}

section.page{padding-block:44px 64px}
.pagehead{display:grid;gap:10px;margin-bottom:28px;max-width:68ch}
.block{margin-top:48px}
.block>h2{margin-bottom:18px}
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr))}
.g4{grid-template-columns:repeat(auto-fill,minmax(min(100%,230px),1fr))}

/* image slot with built-in fallback */
.ph{position:relative;overflow:hidden;background:
  repeating-linear-gradient(115deg,transparent 0 14px,color-mix(in srgb,var(--accent) 12%,transparent) 14px 15px),var(--line);
  display:grid;place-items:center;color:var(--muted);font:500 .72rem/1.3 var(--mono);text-align:center;padding:10px;aspect-ratio:16/9;max-width:100%}
.ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ph.sq{aspect-ratio:1/1}
.ph.initials{font:700 2rem/1 var(--display);color:var(--accent)}

.theme{display:grid;gap:12px;align-content:start}
.theme p{color:var(--muted);font-size:.95rem}

.result{display:grid;grid-template-columns:minmax(0,400px) minmax(0,1fr);gap:28px;align-items:start;padding-block:22px;border-top:1px solid var(--line)}
.result:last-child{border-bottom:1px solid var(--line)}
.result .meta{font:400 .8rem/1.5 var(--mono);color:var(--muted);margin-top:6px}
.result p.sum{margin-top:8px;max-width:65ch}
.result.nofig{grid-template-columns:1fr}
.ph.fig{aspect-ratio:16/9;background:#fff;border:1px solid var(--line);border-radius:4px}
.ph.fig img{object-fit:contain}
.credit{font:400 .7rem/1.4 var(--mono);color:var(--muted);padding-top:6px}
@media (max-width:820px){ .result{grid-template-columns:1fr} .hero .wrap{grid-template-columns:1fr} }

.person{display:grid;gap:10px;align-content:start}
.person .role{font:400 .78rem/1.3 var(--mono);color:var(--muted)}
.person details{font-size:.92rem;color:var(--muted)}
.person summary{cursor:pointer;color:var(--accent);font-size:.86rem}
.lead{display:grid;grid-template-columns:minmax(0,260px) minmax(0,1fr);gap:28px;align-items:start}
.lead p{max-width:68ch}
.lead p+p{margin-top:12px}
@media (max-width:700px){ .lead{grid-template-columns:1fr} .lead .ph{max-width:260px} }

.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:8px}
.chip{font:500 .8rem/1 var(--mono);padding:8px 12px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer}
.chip[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.pub{display:grid;grid-template-columns:3.4rem minmax(0,1fr);gap:14px;padding-block:14px;border-top:1px solid var(--line)}
.pub .yr{font:500 .9rem/1.6 var(--mono);color:var(--pulse)}
.pub .ttl{font-weight:500}
.pub .ttl a{color:var(--ink);text-decoration-color:var(--line)}
.pub .au,.pub .ven{font-size:.9rem;color:var(--muted)}
.pub .ven{font-style:italic}
.pub .thumb{width:220px;max-width:100%;margin-top:8px}

.card{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:20px;display:grid;gap:8px;align-content:start}
.card .funder{font:500 .74rem/1.2 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
.card .val{font:500 1.5rem/1 var(--display)}
.note{border-left:3px solid var(--pulse);padding:10px 14px;background:var(--surface);font-size:.9rem;color:var(--muted);max-width:72ch}
.act{display:grid;gap:10px;align-content:start}
.act .ph{aspect-ratio:4/3}
.cta{background:var(--deep);color:var(--deep-ink);border-radius:6px;padding:28px;display:grid;gap:12px}
.cta a{color:var(--pulse)}
.copy{font:500 .95rem/1 var(--mono);user-select:all}

footer{background:var(--deep);color:var(--deep-ink);padding-block:28px;font-size:.88rem}
footer .wrap{display:flex;flex-wrap:wrap;gap:10px 28px;justify-content:space-between}
footer a{color:var(--deep-ink)}
@media (prefers-reduced-motion:reduce){ *{scroll-behavior:auto} }

/* ---- multi-page additions ---- */
.skip{position:absolute;left:-999px}
.skip:focus{left:12px;top:12px;z-index:20;background:var(--surface);padding:8px 12px}
.crumbs{font:400 .78rem/1.4 var(--mono);color:var(--muted);margin-bottom:14px}
.crumbs a{color:var(--muted)}
.h3{font-size:1.12rem;font-weight:500;letter-spacing:0}
.theme a,.result h2 a,.theme h3 a{color:inherit;text-decoration:none}
.theme h3 a:hover,.result h2 a:hover{text-decoration:underline}
.result h2{font-size:1.35rem}
.article{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,360px);gap:36px;align-items:start}
.article .lead-fig{order:2}
.article .lead-fig .ph{aspect-ratio:4/3;border-radius:6px}
.prose{max-width:68ch}
.prose h2{font-size:1.35rem;margin:28px 0 10px}
.prose h2:first-child{margin-top:0}
.prose p+p{margin-top:12px}
.person .bio{font-size:.9rem;color:var(--muted)}
footer .wrap>div{max-width:44ch}
@media (max-width:820px){ .article{grid-template-columns:1fr} .article .lead-fig{order:0} }

/* ---- news, placeholders, projects, equipment ---- */
.small{font-size:.8rem}
.todo{justify-self:start;display:inline-block;font:500 .68rem/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--pulse);border:1px dashed var(--pulse);border-radius:3px;padding:4px 6px;margin-bottom:6px}
.news{display:grid;grid-template-columns:9.5rem minmax(0,1fr) auto;gap:6px 20px;padding-block:16px;border-top:1px solid var(--line);align-items:start}
.news time{font:500 .82rem/1.7 var(--mono);color:var(--pulse)}
.news p{color:var(--muted);margin-top:4px;max-width:65ch}
.news h2,.news h3{font-size:1.12rem;font-weight:500;letter-spacing:0}
.news-img{width:200px}
.news-img .ph{aspect-ratio:4/3;border-radius:4px}
.card.project{gap:6px}
.card.project .funder{font-size:.82rem}
.scheme{font:400 .78rem/1.3 var(--mono);color:var(--muted)}
.ptitle{font-size:1.3rem;font-weight:600;letter-spacing:0;margin-block:6px 4px}
.pmeta{font:400 .74rem/1.5 var(--mono);color:var(--muted);margin-top:6px}
.funder-logo{height:64px;width:auto;max-width:100%;justify-self:start;margin-bottom:8px;background:#fff;padding:6px 8px;border-radius:4px;box-sizing:border-box}
.equip .ph{aspect-ratio:4/3;border-radius:4px}
.specs{margin:10px 0 0;padding-left:18px;font-size:.88rem;color:var(--muted)}
@media (max-width:640px){ .news{grid-template-columns:1fr} .news-img{width:100%;max-width:260px} }
.alumni{margin:0;padding-left:20px;max-width:75ch}
.alumni li{padding-block:5px}
.alumni .todo{margin:0 6px 0 0;padding:2px 5px;vertical-align:1px}
.acronym{display:block;font:600 1.6rem/1.1 var(--display);color:var(--accent);letter-spacing:.01em;margin-bottom:4px}
.ptitle{font-size:1.1rem;font-weight:500}
.more-pics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.act .more-pics .ph{aspect-ratio:4/3}
.ph.fig.logo{aspect-ratio:16/7;padding:0}
.ph.fig.logo img{padding:18px 24px;box-sizing:border-box;background:#fff}