/* E-CAT website styles.
   Layout: a measured academic column (max 1120px) with a condensed-grotesque masthead,
   serif reading text and monospaced data (years, DOIs, wavenumbers). */
:root{
  --paper:#f5f6f8; --surface:#ffffff; --sunk:#eceff3;
  --ink:#12161c; --muted:#5a6370; --line:#d9dee5;
  --accent:#1f4fd6; --accent-ink:#ffffff; --accent-soft:#e3e9fb;
  --gold:#a86f00; --gold-soft:#f6ead2;
  --trace:#1f4fd6; --trace-2:#a86f00;
  --f-display:"Archivo","Arial Narrow",system-ui,sans-serif;
  --f-body:"Source Serif 4",Georgia,"Times New Roman",serif;
  --f-ui:"Archivo",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  --max:1120px; --r:10px;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --paper:#0e1116; --surface:#151a21; --sunk:#1b212a;
  --ink:#e6e9ee; --muted:#9aa4b0; --line:#28303b;
  --accent:#86a2ff; --accent-ink:#0b1020; --accent-soft:#1c2747;
  --gold:#f0b93a; --gold-soft:#3a2d10;
  --trace:#86a2ff; --trace-2:#f0b93a;
  color-scheme:dark;}}
:root[data-theme="dark"]{
  --paper:#0e1116; --surface:#151a21; --sunk:#1b212a;
  --ink:#e6e9ee; --muted:#9aa4b0; --line:#28303b;
  --accent:#86a2ff; --accent-ink:#0b1020; --accent-soft:#1c2747;
  --gold:#f0b93a; --gold-soft:#3a2d10;
  --trace:#86a2ff; --trace-2:#f0b93a;
  color-scheme:dark;}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--f-body);font-size:17px;line-height:1.6}
a{color:var(--accent);text-decoration-thickness:1px;text-underline-offset:2px}
a:hover{text-decoration-thickness:2px}
img{max-width:100%;height:auto}
[hidden]{display:none!important}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:3px}
.wrap{max-width:var(--max);margin:0 auto;padding-inline:20px}
h1,h2,h3,h4{font-family:var(--f-display);line-height:1.15;margin:0;text-wrap:balance;letter-spacing:-.005em}
h2{font-size:clamp(1.5rem,1.2rem + 1.2vw,2rem);font-weight:700;font-stretch:88%}
h3{font-size:1.15rem;font-weight:650}
p{margin:0}
.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.muted{color:var(--muted)}
.eyebrow{font-family:var(--f-ui);font-size:.74rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.prose{max-width:68ch}
.prose p+p{margin-top:.9em}

/* masthead */
.site-head{border-bottom:1px solid var(--line);background:var(--surface);position:sticky;top:0;z-index:10}
.site-head .wrap{display:flex;align-items:center;gap:20px;min-height:62px}
.brand{display:flex;align-items:baseline;gap:10px;text-decoration:none;color:var(--ink);flex:0 0 auto}
.brand{align-items:center}
.brand .bt{display:flex;align-items:baseline;gap:10px}
.brand b{font-family:var(--f-display);font-weight:800;font-stretch:80%;font-size:1.45rem;letter-spacing:.01em}
.brand .bt span{font-family:var(--f-ui);font-size:.78rem;color:var(--muted);display:none}
@media (min-width:1500px){.brand .bt span{display:inline}}
.emblem{display:block;height:32px;width:auto}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .emblem{filter:invert(1)}}
:root[data-theme="dark"] .emblem{filter:invert(1)}
.foot-id{display:flex;gap:16px;align-items:flex-start}
.foot-id .emblem{height:82px}
.nav{margin-left:auto;display:flex;gap:2px;align-items:center}
.nav a{white-space:nowrap;font-family:var(--f-ui);font-size:.92rem;font-weight:500;color:var(--ink);text-decoration:none;padding:8px 10px;border-radius:7px}
.nav a:hover{background:var(--sunk)}
.nav a[aria-current="page"]{color:var(--accent);background:var(--accent-soft)}
.nav a.ext{color:var(--muted)}
.menu-btn{display:none;margin-left:auto;font:600 .9rem var(--f-ui);background:none;border:1px solid var(--line);color:var(--ink);border-radius:8px;padding:7px 12px;cursor:pointer}
@media (max-width:980px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--surface);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:8px 20px 14px}
  .nav.open{display:flex}
  .nav a{padding:11px 8px}
}

/* sections */
main{display:block}
.section{padding-block:56px}
.section + .section{border-top:1px solid var(--line)}
.section-head{display:flex;justify-content:space-between;align-items:baseline;gap:16px;flex-wrap:wrap;margin-bottom:24px}
.section-head a{font-family:var(--f-ui);font-size:.92rem;font-weight:600;text-decoration:none}
.page-head{padding-block:48px 28px;border-bottom:1px solid var(--line);background:var(--surface)}
.page-head h1{font-size:clamp(2rem,1.5rem + 2.2vw,3rem);font-weight:800;font-stretch:82%;margin-top:6px}
.page-head p{margin-top:12px;color:var(--muted);max-width:66ch}

/* hero */
.hero{background:var(--surface);border-bottom:1px solid var(--line)}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:48px;align-items:center;padding-block:56px}
@media (max-width:900px){.hero .wrap{grid-template-columns:1fr;gap:28px;padding-block:36px}}
.hero h1{font-size:clamp(3.2rem,2rem + 6vw,6.2rem);font-weight:850;font-stretch:72%;line-height:.92;letter-spacing:-.01em}
.hero .full{font-family:var(--f-display);font-weight:600;font-stretch:90%;font-size:clamp(1.1rem,1rem + .6vw,1.45rem);margin-top:10px}
.hero .lede{margin-top:18px;font-size:1.08rem;max-width:56ch}
.hero .where{margin-top:16px;font-family:var(--f-ui);font-size:.9rem;color:var(--muted)}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
.btn{font-family:var(--f-ui);font-weight:600;font-size:.94rem;display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:8px;text-decoration:none;border:1px solid var(--line);color:var(--ink);background:var(--surface)}
.btn:hover{border-color:var(--ink)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:20px}
.chip{font-family:var(--f-ui);font-size:.8rem;padding:4px 10px;border:1px solid var(--line);border-radius:999px;color:var(--muted)}

/* hero with lab name and painting */
.hero h1.labname{font-size:clamp(2.2rem,1.4rem + 3.2vw,3.9rem);font-weight:800;font-stretch:78%;line-height:1.02;letter-spacing:-.005em;max-width:15ch}
.hero .short{margin-top:12px;font-size:.85rem;letter-spacing:.2em;color:var(--accent)}
.painting{margin:0}
.painting img{display:block;width:100%;height:auto;border-radius:var(--r);border:1px solid var(--line);aspect-ratio:1322/1190;object-fit:cover}
.painting figcaption{font-family:var(--f-ui);font-size:.8rem;color:var(--muted);margin-top:8px}

/* explore cards */
.xcard{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;color:var(--ink);text-decoration:none;min-width:0;transition:border-color .15s,transform .15s}
.xcard:hover{border-color:var(--accent);transform:translateY(-2px)}
@media (prefers-reduced-motion:reduce){.xcard,.xcard:hover{transition:none;transform:none}}
.xcard h3{font-size:1.2rem}
.xcard h3 span{color:var(--accent)}
.xcard p{color:var(--muted);font-size:.95rem;margin-top:6px}
.xbody{padding:16px 18px 18px}
.xvis{aspect-ratio:16/9;background:var(--sunk);display:grid;place-items:center;overflow:hidden;border-bottom:1px solid var(--line)}
.xvis .cover{width:100%;height:100%;object-fit:contain;background:#fff;padding:8px}
.xvis .cover.photo{object-fit:cover;padding:0}
.faces{display:grid;grid-template-columns:repeat(3,1fr);width:100%;height:100%}
.faces img{width:100%;height:100%;object-fit:cover;display:block}
.bignum{text-align:center}
.bignum b{display:block;font-family:var(--f-display);font-weight:800;font-stretch:75%;font-size:3.6rem;line-height:1;color:var(--accent)}
.bignum.gold b{color:var(--gold)}
.bignum span{font-family:var(--f-ui);font-size:.85rem;color:var(--muted)}

/* operando trace figure */
.trace{margin:0;border:1px solid var(--line);border-radius:var(--r);background:var(--paper);padding:14px 14px 10px}
.trace svg{display:block;width:100%;height:auto}
.trace .ax{stroke:var(--line)}
.trace .tick{fill:var(--muted);font:11px var(--f-mono)}
.trace .lbl{fill:var(--ink);font:600 11px var(--f-ui)}
.trace .lbl.g{fill:var(--gold)}
.trace .l1{fill:none;stroke:var(--trace);stroke-width:1.8}
.trace .l2{fill:none;stroke:var(--trace-2);stroke-width:1.8}
.trace .mark{stroke:var(--muted);stroke-dasharray:2 3}
.trace figcaption{font-family:var(--f-ui);font-size:.78rem;color:var(--muted);margin-top:8px;line-height:1.45}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-family:var(--f-ui);font-size:.78rem;color:var(--muted);margin-bottom:6px}
.legend i{display:inline-block;width:14px;height:2px;vertical-align:middle;margin-right:6px;background:var(--trace)}
.legend i.g{background:var(--trace-2)}

/* stat band */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid var(--line);border-radius:var(--r);background:var(--surface)}
.stat{padding:20px 22px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0}
.stat b{display:block;font-family:var(--f-display);font-weight:800;font-stretch:78%;font-size:2.6rem;line-height:1}
.stat span{display:block;font-family:var(--f-ui);font-size:.86rem;color:var(--muted);margin-top:6px}
@media (max-width:700px){.stats{grid-template-columns:repeat(2,minmax(0,1fr))}.stat:nth-child(3){border-left:0}.stat:nth-child(n+3){border-top:1px solid var(--line)}}

/* grids & cards */
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:900px){.g3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.g2,.g3{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px;display:flex;flex-direction:column;gap:10px;min-width:0}
.card h3 a{color:var(--ink);text-decoration:none}
.card h3 a:hover{color:var(--accent)}
.card .more{margin-top:auto;font-family:var(--f-ui);font-size:.9rem;font-weight:600;text-decoration:none}
.theme-no{font-family:var(--f-mono);font-size:.8rem;color:var(--accent)}

/* awards */
.award{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;align-items:start}
.medal{width:34px;height:34px;border-radius:50%;background:var(--gold-soft);display:grid;place-items:center;color:var(--gold);flex:0 0 auto}
.medal svg{width:18px;height:18px}
.award h3{font-size:1.02rem}
.award .who{font-family:var(--f-ui);font-weight:600;font-size:.92rem}
.award .ev{font-size:.92rem;color:var(--muted)}
.award .det{font-size:.88rem;color:var(--muted);grid-column:2}
.card.major{border-color:color-mix(in srgb,var(--gold) 45%,var(--line))}
.badge{display:inline-block;font-family:var(--f-ui);font-size:.72rem;font-weight:600;letter-spacing:.04em;padding:2px 8px;border-radius:999px;background:var(--sunk);color:var(--muted);vertical-align:middle;white-space:nowrap}
.badge.gold{background:var(--gold-soft);color:var(--gold)}
.badge.blue{background:var(--accent-soft);color:var(--accent)}

/* timeline lists */
.yearblock{display:grid;grid-template-columns:92px minmax(0,1fr);gap:20px;padding-block:18px;border-top:1px solid var(--line)}
.yearblock:first-of-type{border-top:0}
.yearblock > .yr{font-family:var(--f-display);font-weight:800;font-stretch:78%;font-size:1.7rem;line-height:1.1;color:var(--muted)}
@media (max-width:600px){.yearblock{grid-template-columns:1fr;gap:8px}}
.items{display:flex;flex-direction:column;gap:14px;min-width:0}
.item{min-width:0}
.item .meta{font-family:var(--f-ui);font-size:.85rem;color:var(--muted)}

/* publications */
.pub{min-width:0}
.pub .t{font-family:var(--f-body);font-weight:600;font-size:1.02rem;line-height:1.4}
.pub .a{font-size:.95rem;margin-top:3px}
.pub .a .pi{font-weight:700}
.pub .a .me{text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:3px}
.pub .j{font-size:.93rem;color:var(--muted);margin-top:2px}
.pub .j i{color:var(--ink)}
.pub .doi{font-family:var(--f-mono);font-size:.82rem;overflow-wrap:anywhere}
.filters{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:8px}
.filters button{font-family:var(--f-ui);font-size:.86rem;font-weight:600;padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer}
.filters button[aria-pressed="true"]{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.subhead{font-family:var(--f-ui);font-size:.8rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:36px 0 4px}

/* news */
.news{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}
.news li{display:grid;grid-template-columns:96px minmax(0,1fr);gap:16px;padding-block:12px;border-top:1px solid var(--line)}
.news li:first-child{border-top:0}
.news time{font-family:var(--f-mono);font-size:.84rem;color:var(--muted);padding-top:2px}
@media (max-width:520px){.news li{grid-template-columns:1fr;gap:2px}}

/* people */
.person{display:grid;grid-template-columns:56px minmax(0,1fr);gap:14px;align-items:start}
.avatar{width:56px;height:56px;border-radius:50%;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;font-family:var(--f-display);font-weight:800;font-stretch:80%;font-size:1.25rem;overflow:hidden}
.avatar img{width:100%;height:100%;object-fit:cover}
.person h3{font-size:1.05rem}
.person .role{font-family:var(--f-ui);font-size:.82rem;color:var(--muted)}
.person .topic{font-weight:600;font-size:.95rem;margin-top:6px}
.person p{font-size:.93rem}
.person .mail{font-family:var(--f-mono);font-size:.8rem;overflow-wrap:anywhere}
.pi-block{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:40px}
@media (max-width:860px){.pi-block{grid-template-columns:1fr;gap:24px}}
.cv{list-style:none;margin:0;padding:0}
.cv li{display:grid;grid-template-columns:104px minmax(0,1fr);gap:12px;padding-block:9px;border-top:1px solid var(--line);font-size:.95rem}
.cv li:first-child{border-top:0}
.cv .y{font-family:var(--f-mono);font-size:.82rem;color:var(--muted);padding-top:2px}
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--surface)}
table{border-collapse:collapse;width:100%;font-size:.94rem;min-width:620px}
th,td{text-align:left;padding:11px 14px;border-top:1px solid var(--line);vertical-align:top}
th{font-family:var(--f-ui);font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);border-top:0;background:var(--sunk)}
td.y{font-family:var(--f-mono);font-size:.84rem;white-space:nowrap}

/* methods diagram */
.channels{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--surface)}
.channels div{padding:16px;border-left:1px solid var(--line)}
.channels div:first-child{border-left:0}
.channels b{display:block;font-family:var(--f-ui);font-size:.95rem}
.channels span{font-size:.88rem;color:var(--muted)}
.channels .k{font-family:var(--f-mono);font-size:.75rem;color:var(--accent)}
@media (max-width:760px){.channels{grid-template-columns:1fr 1fr}.channels div:nth-child(3){border-left:0}.channels div:nth-child(n+3){border-top:1px solid var(--line)}}
.findings{margin:0;padding-left:1.1em}
.findings li{margin-top:6px}
.theme{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:36px;padding-block:40px;border-top:1px solid var(--line)}
.theme:first-of-type{border-top:0}
@media (max-width:860px){.theme{grid-template-columns:1fr;gap:16px}}

/* research highlights carousel: figures are shown whole, on white, in both themes */
.carousel{position:relative;border-radius:var(--r);overflow:hidden;background:#fff;border:1px solid var(--line)}
.carousel .track{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none}
.carousel .track::-webkit-scrollbar{display:none}
.carousel .slide{flex:0 0 100%;scroll-snap-align:start;margin:0;position:relative;aspect-ratio:2/1;max-width:100%;background:#fff;padding:14px 64px}
.carousel .slide img{width:100%;height:100%;object-fit:contain;display:block}
@media (max-width:640px){.carousel .slide{aspect-ratio:16/10;padding:8px}}
.carousel figcaption{position:absolute;left:0;right:0;bottom:0;padding:28px 18px 14px;font-family:var(--f-ui);font-size:.92rem;color:#fff;background:linear-gradient(to top,rgba(0,0,0,.62),rgba(0,0,0,0))}
.carousel .nav-btn{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border-radius:50%;border:1px solid #d9dee5;background:#fff;color:#12161c;font:600 1.5rem/1 var(--f-ui);cursor:pointer;display:grid;place-items:center;box-shadow:0 1px 4px rgba(0,0,0,.12)}
.carousel .nav-btn:hover{border-color:#12161c}
.carousel .prev{left:10px}.carousel .next{right:10px}
@media (max-width:640px){.carousel .nav-btn{width:32px;height:32px;font-size:1.1rem;top:auto;bottom:6px;transform:none}}
.dots{display:flex;justify-content:center;gap:8px;margin-top:12px}
.dot{width:10px;height:10px;border-radius:50%;border:0;padding:0;background:var(--line);cursor:pointer}
.dot[aria-current="true"]{background:var(--accent);width:24px;border-radius:5px}

.person .badge{white-space:normal;display:inline;line-height:1.7}

/* facility photos */
.pics{display:grid;gap:6px;margin:-20px -20px 4px;border-radius:var(--r) var(--r) 0 0;overflow:hidden}
.pics.n2{grid-template-columns:1fr 1fr}
.pics.n2 img{aspect-ratio:8/10}
.pics img{width:100%;aspect-ratio:16/10;object-fit:cover;display:block}

/* highlights: news and awards in one list */
.hl-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;min-width:0}
.hl{display:grid;grid-template-columns:96px minmax(0,1fr);gap:16px;padding-block:12px;border-top:1px solid var(--line)}
.hl:first-child{border-top:0}
.hl time{font-family:var(--f-mono);font-size:.84rem;color:var(--muted);padding-top:3px}
.hl-body{display:grid;grid-template-columns:22px minmax(0,1fr);gap:10px;align-items:start}
.hl-mark{width:22px;height:22px;display:grid;place-items:center;margin-top:2px}
.hl-mark.news::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--line)}
.hl-mark.award{border-radius:50%;background:var(--gold-soft);color:var(--gold)}
.hl-mark .medal-ic{width:13px;height:13px}
.hl-mark.award.major{box-shadow:0 0 0 2px var(--gold)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.yearblock .hl-list .hl{grid-template-columns:84px minmax(0,1fr)}
@media (max-width:520px){.hl,.yearblock .hl-list .hl{grid-template-columns:1fr;gap:2px}}

.interests{margin-top:14px;font-family:var(--f-ui);font-size:.9rem;color:var(--accent)}
details.more-list{margin-top:10px}
details.more-list summary{cursor:pointer;font-family:var(--f-ui);font-weight:600;font-size:.92rem;color:var(--accent)}
details.more-list[open] summary{margin-bottom:6px}
.equip{columns:2;column-gap:40px}
.equip li{break-inside:avoid}
@media (max-width:700px){.equip{columns:1}}

table.narrow{min-width:520px}

/* footer */
.site-foot{border-top:1px solid var(--line);background:var(--surface);padding-block:40px 32px;font-family:var(--f-ui);font-size:.92rem}
.site-foot .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px}
@media (max-width:760px){.site-foot .cols{grid-template-columns:1fr}}
.site-foot h4{font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.site-foot a{color:var(--ink)}
.site-foot .fine{margin-top:28px;color:var(--muted);font-size:.82rem}
.site-foot address{font-style:normal}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

/* Socially relevant projects */
.social-list{display:grid;gap:20px}
.social{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:grid;grid-template-columns:minmax(0,1fr);min-width:0}
.social.has-fig{grid-template-columns:minmax(0,5fr) minmax(0,6fr)}
.social-fig{margin:0;display:flex;flex-direction:column;min-width:0}
.social-fig img{display:block;width:100%;flex:1 1 auto;min-height:0;height:auto;object-fit:cover;object-position:center 55%;aspect-ratio:4/3}
.social-fig figcaption{font-family:var(--f-ui);font-size:.74rem;color:var(--muted);padding:6px 12px;background:var(--surface)}
.social-fig figcaption a{color:inherit}
.social-body{padding:20px 22px;display:flex;flex-direction:column;gap:10px;min-width:0}
.social-body .more{margin-top:auto;font-family:var(--f-ui);font-size:.9rem;font-weight:600;text-decoration:none}
@media (max-width:760px){.social.has-fig{grid-template-columns:minmax(0,1fr)}}