@font-face{font-family:'STIX Two Text';font-style:normal;font-weight:400;font-display:swap;src:url(fonts/stix-two-text-latin-400-normal.woff2) format('woff2')}
@font-face{font-family:'STIX Two Text';font-style:italic;font-weight:400;font-display:swap;src:url(fonts/stix-two-text-latin-400-italic.woff2) format('woff2')}
@font-face{font-family:'STIX Two Text';font-style:normal;font-weight:500;font-display:swap;src:url(fonts/stix-two-text-latin-500-normal.woff2) format('woff2')}
@font-face{font-family:'STIX Two Text';font-style:italic;font-weight:500;font-display:swap;src:url(fonts/stix-two-text-latin-500-italic.woff2) format('woff2')}
@font-face{font-family:'STIX Two Text';font-style:normal;font-weight:600;font-display:swap;src:url(fonts/stix-two-text-latin-600-normal.woff2) format('woff2')}
@font-face{font-family:'STIX Two Text';font-style:italic;font-weight:600;font-display:swap;src:url(fonts/stix-two-text-latin-600-italic.woff2) format('woff2')}
@font-face{font-family:'STIX Two Text';font-style:normal;font-weight:400;font-display:swap;src:url(fonts/stix-two-text-greek-400-normal.woff2) format('woff2')}
@font-face{font-family:'STIX Two Text';font-style:italic;font-weight:400;font-display:swap;src:url(fonts/stix-two-text-greek-400-italic.woff2) format('woff2')}
@font-face{font-family:'STIX Two Text';font-style:normal;font-weight:500;font-display:swap;src:url(fonts/stix-two-text-greek-500-normal.woff2) format('woff2')}
@font-face{font-family:'STIX Two Text';font-style:italic;font-weight:500;font-display:swap;src:url(fonts/stix-two-text-greek-500-italic.woff2) format('woff2')}
@font-face{font-family:'STIX Two Text';font-style:normal;font-weight:600;font-display:swap;src:url(fonts/stix-two-text-greek-600-normal.woff2) format('woff2')}
@font-face{font-family:'STIX Two Text';font-style:italic;font-weight:600;font-display:swap;src:url(fonts/stix-two-text-greek-600-italic.woff2) format('woff2')}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:400;font-display:swap;src:url(fonts/ibm-plex-sans-latin-400-normal.woff2) format('woff2')}
@font-face{font-family:'IBM Plex Sans';font-style:italic;font-weight:400;font-display:swap;src:url(fonts/ibm-plex-sans-latin-400-italic.woff2) format('woff2')}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:500;font-display:swap;src:url(fonts/ibm-plex-sans-latin-500-normal.woff2) format('woff2')}
@font-face{font-family:'IBM Plex Sans';font-style:italic;font-weight:500;font-display:swap;src:url(fonts/ibm-plex-sans-latin-500-italic.woff2) format('woff2')}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:600;font-display:swap;src:url(fonts/ibm-plex-sans-latin-600-normal.woff2) format('woff2')}
@font-face{font-family:'IBM Plex Sans';font-style:italic;font-weight:600;font-display:swap;src:url(fonts/ibm-plex-sans-latin-600-italic.woff2) format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:400;font-display:swap;src:url(fonts/ibm-plex-mono-latin-400-normal.woff2) format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-style:italic;font-weight:400;font-display:swap;src:url(fonts/ibm-plex-mono-latin-400-italic.woff2) format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:500;font-display:swap;src:url(fonts/ibm-plex-mono-latin-500-normal.woff2) format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-style:italic;font-weight:500;font-display:swap;src:url(fonts/ibm-plex-mono-latin-500-italic.woff2) format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:600;font-display:swap;src:url(fonts/ibm-plex-mono-latin-600-normal.woff2) format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-style:italic;font-weight:600;font-display:swap;src:url(fonts/ibm-plex-mono-latin-600-italic.woff2) format('woff2')}

/* Layout: lab-notebook page. Left margin column = mono labels; wide column = serif text.
   Signature: the home page cools from melt to glass as you scroll (thermometer rule on the left edge).
   Colour roles: --melt = data and active state only; --glass = the glass state; links are ink. */
:root{
  --paper:#F5F7F6; --paper-2:#ECF0EF; --ink:#141A1C; --muted:#5B676A; --rule:#D5DDDC;
  --glass:#2C6B66; --melt:#B83E0C;
  --live:var(--melt);
  --f-text:"STIX Two Text","STIX Two","Cambria","Georgia",serif;
  --f-ui:"IBM Plex Sans","Helvetica Neue","Arial",sans-serif;
  --f-mono:"IBM Plex Mono","SFMono-Regular","Consolas",monospace;
  --t1:.8125rem; --t2:.9375rem; --t3:1.125rem; --t4:1.5rem; --t5:2.5rem; --t6:clamp(2.4rem,5.2vw,4rem);
  --wrap:1180px; --head:57px;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --paper:#0E1314; --paper-2:#151C1E; --ink:#E6ECEB; --muted:#93A09F; --rule:#253235;
  --glass:#79BDB4; --melt:#FF7D45; color-scheme:dark}}
:root[data-theme="dark"]{
  --paper:#0E1314; --paper-2:#151C1E; --ink:#E6ECEB; --muted:#93A09F; --rule:#253235;
  --glass:#79BDB4; --melt:#FF7D45; color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{background:var(--paper);color:var(--ink);font-family:var(--f-text);font-size:var(--t3);line-height:1.6;
  -webkit-font-smoothing:antialiased;font-feature-settings:"kern","liga"}
a{color:inherit;text-decoration-color:var(--rule);text-underline-offset:.2em;text-decoration-thickness:1px}
a:hover{text-decoration-color:var(--ink)}
:focus-visible{outline:2px solid var(--melt);outline-offset:3px;border-radius:2px}
.wrap{max-width:var(--wrap);margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.label{font-family:var(--f-mono);font-size:var(--t1);letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.mono{font-family:var(--f-mono);font-size:var(--t1)}
sub{font-size:.72em}
.muted{color:var(--muted)}

/* header */
header.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:10;background:color-mix(in srgb,var(--paper) 92%,transparent);backdrop-filter:blur(6px);border-bottom:1px solid var(--rule)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:8px 16px;padding-block:14px;flex-wrap:wrap}
.brand{font-family:var(--f-ui);font-weight:600;font-size:var(--t2);text-decoration:none}
.brand span{font-weight:400;color:var(--muted)}
nav.main{display:flex;gap:4px 20px;flex-wrap:wrap;font-family:var(--f-ui);font-size:var(--t2)}
nav.main a{text-decoration:none;color:var(--muted);padding:4px 0;border-bottom:1.5px solid transparent}
nav.main a:hover{color:var(--ink)}
nav.main a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--melt)}

main{padding-bottom:72px}
section[id],article[id]{scroll-margin-top:72px}
section.blk{padding-block:56px;border-top:1px solid var(--rule)}
.row{display:grid;grid-template-columns:180px minmax(0,1fr);gap:32px}
.row>.margin{padding-top:.4rem}
@media (max-width:760px){.row{grid-template-columns:minmax(0,1fr);gap:12px}section.blk{padding-block:40px}}
h1,h2,h3{font-weight:500;line-height:1.15;text-wrap:balance;margin:0}
h1{font-size:var(--t6);letter-spacing:-.012em}
h1.page{font-size:var(--t5)}
h2{font-size:var(--t5);letter-spacing:-.008em}
h3{font-size:var(--t4)}
p{margin:0}
.prose{max-width:62ch;display:grid;gap:1em}
.lede{font-size:var(--t4);line-height:1.4;max-width:34ch}
.note{font-size:var(--t2);color:var(--muted);max-width:70ch}
.stack{display:grid;gap:24px;min-width:0}

/* buttons, inputs */
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--f-ui);font-weight:500;font-size:var(--t2);
  padding:10px 16px;border-radius:3px;border:1px solid var(--ink);background:var(--ink);color:var(--paper);text-decoration:none;cursor:pointer}
.btn:hover{background:var(--melt);border-color:var(--melt);color:#fff}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{color:var(--melt);border-color:var(--melt);background:transparent}
input[type=range]{width:100%;accent-color:var(--melt);margin:0}
select,input[type=text],input[type=number],input[type=search]{font-family:var(--f-ui);font-size:var(--t2);color:var(--ink);
  background:var(--paper);border:1px solid var(--rule);border-radius:3px;padding:8px 10px;width:100%;min-width:0}
select:focus,input:focus{border-color:var(--glass);outline:none}
.status{font-family:var(--f-ui);font-size:var(--t1);color:var(--glass)}

/* HERO */
.hero{padding-block:56px 48px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:56px;align-items:start}
@media (max-width:900px){.hero-grid{grid-template-columns:minmax(0,1fr);gap:36px}.hero{padding-block:36px}}
.hero h1 em{font-style:italic;color:var(--glass)}
.hero .who{margin-bottom:24px}
.hero .lede{margin-top:24px;font-size:var(--t3);line-height:1.6;max-width:46ch}
.hero .links{display:flex;gap:10px 16px;flex-wrap:wrap;margin-top:28px}
.instrument{border:1px solid var(--rule);padding:20px;border-radius:2px}
.instrument .head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.inst-body{display:grid;grid-template-columns:minmax(0,1fr) 168px;gap:16px}
@media (max-width:420px){.inst-body{grid-template-columns:minmax(0,1fr) 124px;gap:10px}}
.readout{font-size:var(--t5);line-height:1;font-variant-numeric:tabular-nums}
.readout sup{font-size:.5em;vertical-align:.9em;margin-left:1px}
.readout .u{font-size:var(--t2);color:var(--muted);margin-left:6px}
.compare{margin-top:8px;color:var(--muted);font-size:var(--t2);min-height:3.2em}
.ctl{display:grid;gap:4px;margin-top:14px}
.ctl label{display:flex;justify-content:space-between;font-family:var(--f-ui);font-size:var(--t1);color:var(--muted)}
.ctl label b{font-weight:500;color:var(--ink);font-variant-numeric:tabular-nums}
.scale svg{width:100%;height:auto;display:block}
.scale text{font-family:var(--f-mono);font-size:10.5px;fill:var(--muted)}
.scale .axis{stroke:var(--ink)}
.scale .tick{stroke:var(--rule)}
.scale .other{stroke:var(--muted);stroke-width:1.5}
.scale .marker{fill:var(--melt)}
.inst-foot{margin-top:12px;font-size:var(--t1);color:var(--muted);font-family:var(--f-ui)}

#hero-glass{transition:color .25s,text-shadow .25s}#hero-glass.isglass{color:var(--glass)}
#hero-glass.flash{animation:glassflash 1.4s ease}
@keyframes glassflash{0%{color:var(--melt)}35%{color:var(--glass);letter-spacing:.02em}100%{color:var(--glass);letter-spacing:0}}
.chip.cool{justify-self:start;margin-top:-4px}
.melvis-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:48px;align-items:center}
.globe-wrap{max-width:640px;width:100%}
.globe-ctl{display:grid;gap:4px;margin-top:0;font-family:var(--f-ui);font-size:var(--t1)}.globe-ctl input{width:100%;accent-color:var(--melt)}
.cbar{display:flex;align-items:center;gap:8px;font-family:var(--f-mono);font-size:11px;color:var(--muted);margin-top:8px}.cbar i{flex:1;height:8px;border-radius:4px;background:linear-gradient(90deg,var(--melt),var(--glass))}
.globe{width:100%;aspect-ratio:1;cursor:grab;touch-action:pan-y}.globe:active{cursor:grabbing}
.globe canvas{display:block}
.globe{position:relative;overflow:hidden}.glab{position:absolute;pointer-events:none;background:var(--paper);border:1px solid var(--rule);padding:3px 7px;font-family:var(--f-mono);font-size:11px;color:var(--ink);white-space:nowrap;transform:translate(-50%,calc(-100% - 10px));z-index:2}.glab[hidden]{display:none}
.gzoom{position:absolute;right:6px;bottom:6px;display:flex;flex-direction:column;gap:4px}.gzoom button{width:30px;height:30px;border:1px solid var(--rule);background:var(--paper);color:var(--ink);font:500 16px/1 var(--f-ui);cursor:pointer;border-radius:50%}.gzoom button:disabled{opacity:.35;cursor:default}
.globe-tip{min-height:2.6em;margin:8px 0 10px;color:var(--muted);font-size:12px}
.sw{display:inline-block;width:10px;height:10px;border-radius:50%;margin:0 4px 0 2px;vertical-align:baseline}
@media (max-width:760px){.melvis-grid{grid-template-columns:1fr;gap:24px}.globe-wrap{max-width:360px;margin:0 auto}}
/* three scales */
.plates{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
@media (max-width:760px){.plates{grid-auto-flow:column;grid-template-columns:none;grid-auto-columns:78%;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px}
  .plates figure{scroll-snap-align:start}}
figure{margin:0;display:grid;gap:8px;align-content:start}
figure img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--paper-2)}
figcaption{font-size:var(--t2);color:var(--muted);line-height:1.45}
figcaption b{font-family:var(--f-mono);font-weight:500;color:var(--ink);font-size:var(--t1);margin-right:6px}
.ruler{margin-top:18px}
.ruler svg{width:100%;height:auto;display:block}
.ruler text{font-family:var(--f-mono);font-size:11px;fill:var(--muted)}
.ruler .ax{stroke:var(--ink)} .ruler .tk{stroke:var(--muted)}
.ruler .pt{fill:var(--melt)} .ruler .pl{fill:var(--ink);font-weight:500} .ruler .pr{fill:var(--paper);stroke:var(--muted);stroke-width:1.5} .ruler .rl{fill:var(--muted)}
.nano-note{margin-top:10px;max-width:none}
@media (max-width:760px){.ruler{overflow-x:auto}.ruler svg{min-width:640px}}

/* themes: home index rows */
.tindex{border-top:1px solid var(--rule)}
.tindex a{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;align-items:baseline;padding:14px 0;border-bottom:1px solid var(--rule);text-decoration:none}
.tindex a:hover .q{text-decoration:underline;text-decoration-color:var(--ink)}
.tindex .q{font-size:var(--t4);line-height:1.25}
.tindex .k{font-family:var(--f-mono);font-size:var(--t1);color:var(--muted);white-space:nowrap}
@media (max-width:560px){.tindex a{grid-template-columns:minmax(0,1fr)}.tindex .q{font-size:var(--t3)}}

/* themes: research long rows */
.trow{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:40px;align-items:center;padding-block:40px;border-bottom:1px solid var(--rule)}
.trow:nth-child(even) .tp{order:2}
.trow img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block;background:var(--paper-2)}
.trow .tt{display:grid;gap:12px;align-content:center}
.trow h2{font-size:var(--t4);line-height:1.25}
.trow .d{color:var(--muted)}
.trow .refs{display:flex;flex-wrap:wrap;gap:4px 16px;font-size:var(--t2)}
.trow .cr{font-size:var(--t1);color:var(--muted);margin-top:6px}
@media (max-width:760px){.trow{grid-template-columns:minmax(0,1fr);gap:16px;padding-block:28px}.trow:nth-child(even) .tp{order:0}}

/* papers */
.plist{display:grid}
.pub{display:grid;gap:4px;padding:14px 0;border-bottom:1px solid var(--rule)}
.pub .t{line-height:1.4}
.pub .t a{text-decoration:none}
.pub .t a:hover{text-decoration:underline;text-decoration-color:var(--ink)}
.pub .a{font-size:var(--t2);color:var(--muted)}
.pub .a b{color:var(--ink);font-weight:600}
.pub .j{font-size:var(--t2);color:var(--muted)}
.pub .j i{font-style:italic}
.pub.sel .t{font-size:var(--t4);line-height:1.3}
.yr{font-family:var(--f-mono);font-size:var(--t2);color:var(--muted);padding-top:16px;scroll-margin-top:140px}
.hist{background:var(--paper);padding-block:18px 10px;border-bottom:1px solid var(--rule)}
.hist svg{width:100%;height:auto;display:block}
.hist text{font-family:var(--f-mono);font-size:10px;fill:var(--muted)}.hist text.cnt{fill:var(--ink)}.hist .moves line{stroke:var(--muted);stroke-width:1}.hist .moves text{fill:var(--melt);font-size:10px}
.hist .sq{transform-box:fill-box;transform-origin:center bottom;animation:sqin .5s cubic-bezier(.2,.8,.2,1) both}
.hist .sq.off{opacity:.15}.hist g.yr{cursor:pointer}.hist g.yr.on text{fill:var(--melt);font-weight:600}.hist g.yr:hover>text:not(.cnt){fill:var(--ink)}
#p-hist{position:relative}#p-hist svg.hov .sq{opacity:.22}#p-hist svg.hov .sq.hv{opacity:1;stroke:var(--ink);stroke-width:1.2}
.htip{position:absolute;pointer-events:none;background:var(--paper);border:1px solid var(--rule);padding:6px 9px;max-width:300px;font-size:var(--t1);line-height:1.35;z-index:3;transform:translate(-50%,calc(-100% - 10px))}.htip b{display:block;font-family:var(--f-mono);font-size:11px;font-weight:500;margin-bottom:2px}.htip[hidden]{display:none}.hist g.yr:focus{outline:none}.hist g.yr:focus-visible text{text-decoration:underline}
@keyframes sqin{from{transform:scale(0);opacity:0}to{transform:scale(1);opacity:1}}
.tdot{display:inline-block;width:8px;height:8px;border-radius:2px;margin-right:6px;vertical-align:0}
.pub.withfig{display:grid;grid-template-columns:132px minmax(0,1fr);gap:22px;align-items:center}
.pub .short{font-size:var(--t2);margin-top:6px;max-width:70ch}.pub a.oa{font-family:var(--f-mono);font-size:var(--t1);color:var(--glass)}
.pcover{display:block;overflow:hidden;border-radius:2px}.pcover img{display:block;width:132px;height:132px;object-fit:cover;transition:transform .5s ease}.pub.withfig:hover .pcover img{transform:scale(1.06)}
@media (max-width:560px){.pub.withfig{grid-template-columns:84px minmax(0,1fr);gap:14px}.pcover img{width:84px;height:84px}}
.coauth.small{margin-top:12px;max-width:760px}
.coplaces svg{width:100%;height:auto;display:block}
.coplaces .land{fill:var(--paper-2);stroke:var(--rule);stroke-width:.5}
.coplaces .arc path{fill:none;stroke:var(--melt);stroke-opacity:.35;stroke-width:1;stroke-dasharray:1200;stroke-dashoffset:1200;animation:draw 1.6s ease forwards}
.coplaces .arc path.hi{stroke-opacity:1;stroke-width:2}
.coplaces .city circle{fill:var(--glass);fill-opacity:.75;stroke:var(--paper);stroke-width:1;cursor:pointer}.coplaces .city circle:hover,.coplaces .city circle:focus{fill:var(--melt);outline:none}
.coplaces .rome{fill:var(--melt);stroke:var(--paper);stroke-width:2}
@keyframes draw{to{stroke-dashoffset:0}}
@media (prefers-reduced-motion: reduce){.coplaces .arc path{animation:none;stroke-dashoffset:0}}
.coauth svg{width:100%;height:auto;display:block}
.coauth .ce line{stroke:var(--rule);stroke-opacity:.9}
.coauth .cn circle{fill:var(--glass);fill-opacity:.55;stroke:var(--paper);stroke-width:1;cursor:pointer;transition:fill-opacity .2s}
.coauth .cn circle.grp{fill:var(--melt);fill-opacity:.85}
.coauth .cn circle.me{fill:var(--paper);stroke:var(--ink);stroke-width:2;fill-opacity:1;cursor:default}.coauth .cl text.mel{font-weight:600}
.coauth.small .cl text{font-size:17px}.coauth .cl text{font-family:var(--f-mono);font-size:10.5px;fill:var(--ink);pointer-events:none;paint-order:stroke;stroke:var(--paper);stroke-width:3px}
.coauth svg.focus .ce line{stroke-opacity:.15}.coauth svg.focus .ce line.hi{stroke:var(--melt);stroke-opacity:.8}
.coauth svg.focus .cn circle{fill-opacity:.15}.coauth svg.focus .cn circle.hi{fill-opacity:.95}
.co-tip{font-size:12px;color:var(--muted);min-height:1.5em}
.coauth,.coplaces{position:relative}.nlab{position:absolute;pointer-events:none;background:var(--paper);border:1px solid var(--rule);padding:4px 8px;font-family:var(--f-mono);font-size:11px;line-height:1.4;color:var(--ink);max-width:280px;z-index:3;box-shadow:0 2px 6px rgba(0,0,0,.08)}.nlab b{font-weight:600}.nlab .muted{color:var(--muted)}.nlab[hidden]{display:none}
.hist rect.b{fill:var(--muted);cursor:pointer}
.hist g:hover rect.b,.hist g:focus rect.b{fill:var(--melt)}
.hist g:focus{outline:none}
.filters{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:14px;align-items:center;margin-block:20px 10px}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{font-family:var(--f-ui);font-size:var(--t1);padding:5px 11px;border:1px solid var(--rule);border-radius:99px;background:transparent;color:var(--muted);cursor:pointer}
.chip:hover{border-color:var(--ink);color:var(--ink)}
.xslider{display:grid;gap:6px}.xslider input[type=range]{width:100%;accent-color:var(--melt)}
.vchart .hover line,.chart .hover line{stroke:var(--muted);stroke-dasharray:3 3}.hv-d{fill:var(--paper);stroke:var(--ink);stroke-width:1.5}.hv-t{font-family:var(--f-mono);font-size:12px;fill:var(--ink)}
.chip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.count{font-family:var(--f-mono);font-size:var(--t1);color:var(--muted)}

/* tools */
.tool{display:grid;grid-template-columns:260px minmax(0,1fr);gap:32px;margin-top:28px}
@media (max-width:900px){.tool{grid-template-columns:minmax(0,1fr);gap:16px}}
.mlist{display:grid;border-top:1px solid var(--rule);align-content:start}
.mbtn{all:unset;box-sizing:border-box;cursor:pointer;display:grid;gap:2px;padding:12px 12px 12px 14px;border-bottom:1px solid var(--rule);border-left:2px solid transparent}
.mbtn:hover{background:var(--paper-2)}
.mbtn:focus-visible{outline:2px solid var(--melt);outline-offset:-2px}
.mbtn[aria-selected="true"]{border-left-color:var(--melt);background:var(--paper-2)}
.mbtn .n{font-size:var(--t3);color:var(--ink)}
.mbtn .r{font-size:var(--t1);color:var(--muted)}
.msel{display:none}
@media (max-width:900px){.mlist{display:none}.msel{display:block}}
.pane{min-width:0;display:grid;gap:18px;align-content:start}
.pane-head{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;align-items:baseline}
.inputs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
@media (max-width:640px){.inputs{grid-template-columns:repeat(2,minmax(0,1fr))}}
.inputs label{display:grid;gap:4px;font-family:var(--f-ui);font-size:var(--t1);color:var(--muted)}
.chart svg{display:block;width:100%;height:auto;touch-action:pan-y}
.chart text{font-family:var(--f-mono);font-size:11px;fill:var(--muted)}
.chart .grid line{stroke:var(--rule)}
.chart .ax{stroke:var(--muted)}
.chart .ttl{font-family:var(--f-text);font-size:13px;fill:var(--ink)}
.chart .glassy,.vchart .glassy{fill:var(--glass);opacity:.08}
.chart .hover line{stroke:var(--ink);stroke-dasharray:3 3}
.chart .hover text{fill:var(--ink)}
.tablewrap{overflow-x:auto}
table.res{border-collapse:collapse;width:100%;font-family:var(--f-mono);font-size:var(--t1);font-variant-numeric:tabular-nums}
table.res th{font-family:var(--f-text);font-size:var(--t2);font-weight:500;text-align:right;color:var(--muted);border-bottom:1px solid var(--ink);padding:6px 10px}
table.res th:first-child,table.res td:first-child{text-align:left}
table.res td{text-align:right;padding:6px 10px;border-bottom:1px solid var(--rule)}
.swatch{display:inline-block;width:14px;height:3px;vertical-align:middle;margin-right:8px;border-radius:2px}
.actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.warn{font-size:var(--t2);color:var(--melt)}

/* liquid or solid */
.los{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:40px;align-items:start}
@media (max-width:900px){.los{grid-template-columns:minmax(0,1fr)}}
.los .ctl{margin-top:0}
.verdict{font-size:var(--t5);line-height:1.1}
.verdict.liquid{color:var(--melt)} .verdict.visco{color:var(--ink)} .verdict.brittle{color:var(--glass)}
.losbar svg{width:100%;height:auto;display:block}
.losbar text{font-family:var(--f-mono);font-size:11px;fill:var(--muted)}
.losbar .zl{fill:var(--melt);opacity:.14} .losbar .zv{fill:var(--muted);opacity:.14} .losbar .zb{fill:var(--glass);opacity:.18}
.losbar .ax{stroke:var(--ink)} .losbar .mk{fill:var(--ink)}
.losbar .zt{font-family:var(--f-text);font-size:12px;fill:var(--ink)}
dl.num{display:grid;grid-template-columns:auto minmax(0,1fr);gap:4px 16px;margin:0;font-size:var(--t2)}
dl.num dt{color:var(--muted)} dl.num dd{margin:0;font-family:var(--f-mono);font-size:var(--t1);padding-top:2px}

.more{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
@media (max-width:820px){.more{grid-template-columns:minmax(0,1fr)}}
.more .card{border-top:1px solid var(--ink);padding-top:14px;display:grid;gap:8px;align-content:start}
.more .card p{color:var(--muted);font-size:var(--t2)}

/* lab */
.specs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 40px;border-top:1px solid var(--rule)}
@media (max-width:760px){.specs{grid-template-columns:minmax(0,1fr)}}
.spec{padding:18px 0;border-bottom:1px solid var(--rule);display:grid;grid-template-columns:120px minmax(0,1fr);gap:6px 18px;align-content:start}
.spec>img{grid-row:span 4;width:120px;aspect-ratio:3/4;object-fit:cover;background:var(--paper-2)}
.spec>*:not(img){grid-column:2}
.spec h3{font-size:var(--t3)}
.spec .what{color:var(--muted);font-size:var(--t2)}
.spec dl{display:grid;grid-template-columns:auto minmax(0,1fr);gap:2px 14px;margin:4px 0 0;font-family:var(--f-mono);font-size:var(--t1)}

.spec dt{color:var(--muted)} .spec dd{margin:0}
.specs{grid-auto-flow:row dense}
button.spec{font:inherit;color:inherit;text-align:left;background:none;border:0;border-bottom:1px solid var(--rule);cursor:pointer;width:100%}
button.spec:hover h3,button.spec[aria-expanded="true"] h3{color:var(--melt)}
.spec .more{color:var(--muted);font-size:var(--t1);justify-self:start}
.spec-panel .chip{width:auto;display:inline-block;justify-self:start}
.spec-panel{grid-column:1/-1;display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:32px;padding:24px 0 28px;border-bottom:1px solid var(--rule)}
.spec-panel>a.ph{display:block;align-self:start}.spec-panel img{display:block;width:100%;height:auto;max-height:620px;object-fit:contain;object-position:left top}
.spec-panel .ph-note{display:block;font-family:var(--f-mono);font-size:var(--t1);color:var(--muted);margin-top:6px}
.plist{margin:6px 0 0;padding-left:18px}.plist li{margin:4px 0}.muted{color:var(--muted)}
@media (max-width:760px){.spec-panel{grid-template-columns:1fr;gap:16px}}

.projects{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 40px}
@media (max-width:760px){.projects{grid-template-columns:minmax(0,1fr)}}
.projects{grid-auto-flow:row dense;border-top:1px solid var(--rule)}
button.proj{font:inherit;color:inherit;text-align:left;background:none;border:0;border-bottom:1px solid var(--rule);cursor:pointer;width:100%;padding:16px 0;display:grid;gap:4px;align-content:start}
.proj h3{font-size:var(--t3)}
.proj p{color:var(--muted);font-size:var(--t2)}
.proj .more{color:var(--muted);font-size:var(--t1);white-space:nowrap}
.proj-panel .prose,.proj-panel>div{align-content:start;align-self:start}
button.proj:hover h3,button.proj[aria-expanded="true"] h3{color:var(--melt)}
.proj-panel{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}
.proj-panel .plist li{margin-bottom:6px}
.pl-panel{border-top:1px solid var(--rule);margin-top:10px;padding-top:14px}
.pl-panel h3{font-size:var(--t3)}
.pl-zoom{display:flex;gap:6px;align-items:center;margin:0 0 8px}
.pl-zoom .chip{min-width:34px;text-align:center}
#plmap{touch-action:none;overflow:hidden;cursor:grab;border:1px solid var(--rule)}
#plmap.drag{cursor:grabbing}
.coplaces .city circle.sel{fill:var(--melt);fill-opacity:1}

.vx-pick{display:flex;gap:6px}
.vx-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px;align-items:center;margin-top:-4px}
@media (max-width:760px){.vx-grid{grid-template-columns:1fr;gap:12px}}
.vx-cv{width:100%;height:470px;display:block;background:var(--paper)}
@media (max-width:760px){.vx-cv{height:480px}}
.vx-side{display:grid;gap:10px;align-content:start;padding-top:8px}
.vx-steps{margin:0;padding-left:20px;font-size:var(--t1);font-family:var(--f-mono);color:var(--muted);display:grid;gap:6px}
.vx-steps li.on{color:var(--ink)}.vx-steps li.next{opacity:.45}
.vx-steps li span{display:block;font-family:var(--f-text);font-size:var(--t2);color:inherit}
.vx-cap{font-size:var(--t2);font-family:var(--f-ui);color:var(--ink);min-height:1.6em;font-weight:500}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.profiles{font-size:var(--t1);margin-top:6px}
/* group */
.people{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 40px;border-top:1px solid var(--rule)}
@media (max-width:760px){.people{grid-template-columns:minmax(0,1fr)}}
.people{grid-auto-flow:row dense}
.person{display:grid;grid-template-columns:auto minmax(0,1fr);gap:4px 18px;padding:18px 0;border:0;border-bottom:1px solid var(--rule);align-content:start;font:inherit;color:inherit;text-align:left;background:none;cursor:pointer;width:100%}
.person img,.person .ini{grid-row:span 4;width:96px;height:96px;object-fit:cover;filter:grayscale(1)}
.person .ini{display:grid;place-items:center;background:var(--paper-2);font-family:var(--f-mono);font-size:22px;color:var(--muted)}
.person>*:not(img):not(.ini){grid-column:2}
.person:hover .nm,.person[aria-expanded="true"] .nm{color:var(--melt)}
.person .role{font-family:var(--f-mono);font-size:var(--t1);color:var(--muted)}
.person .more{color:var(--muted);font-size:var(--t1);white-space:nowrap}
.person-panel{grid-template-columns:minmax(0,5fr) minmax(0,7fr);align-items:start}.person-panel>.prose{align-content:start;display:block}.person-panel>.prose>*+*{margin-top:12px}
.person .nm{font-size:var(--t4);line-height:1.2}
.person .topic{font-size:var(--t2)}
.person .led{font-size:var(--t2);color:var(--muted)}
.lab-photo{margin:18px 0}
.wide-photo img{width:100%;aspect-ratio:21/9;object-fit:cover;display:block}
@media (max-width:560px){.wide-photo img{aspect-ratio:4/3}}

/* about */
.about-grid{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:40px;align-items:start}
@media (max-width:760px){.about-grid{grid-template-columns:minmax(0,1fr)}.about-grid img{max-width:200px}}
.about-grid img{width:100%;aspect-ratio:1;object-fit:cover}
.tl{display:grid;border-top:1px solid var(--rule);padding:0;margin:0}
.tl li{list-style:none;display:grid;grid-template-columns:120px minmax(0,1fr);gap:20px;padding:12px 0;border-bottom:1px solid var(--rule)}
.tl .y{font-family:var(--f-mono);font-size:var(--t1);color:var(--muted);padding-top:4px}
@media (max-width:520px){.tl li{grid-template-columns:minmax(0,1fr);gap:2px}}
.copyline{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.copyline code{font-family:var(--f-mono);font-size:var(--t2);user-select:all;padding:6px 10px;border:1px solid var(--rule);border-radius:3px}

/* the cooling page */
.thermo{position:fixed;z-index:4;left:max(10px,calc((100vw - var(--wrap))/2 - 34px));top:calc(env(safe-area-inset-top,0px) + var(--head) + 24px);bottom:24px;width:22px;pointer-events:none}
.thermo .track{position:absolute;left:10px;top:0;bottom:0;width:1px;background:var(--rule)}
.thermo .fill{position:absolute;left:9px;top:0;width:3px;height:var(--p,0%);background:var(--live);border-radius:2px;box-shadow:0 0 6px var(--live)}
.thermo .lbl{position:absolute;left:0;top:0;writing-mode:vertical-rl;transform:rotate(180deg);transform-origin:center;font-family:var(--f-mono);font-size:11px;color:color-mix(in srgb,var(--live) 70%,var(--ink));white-space:nowrap;
  top:auto;bottom:0}
.thermo.glass .fill{background:linear-gradient(180deg,var(--live),var(--glass) 70%,color-mix(in srgb,var(--glass) 40%,#fff) 85%,var(--glass));background-size:100% 300%;animation:sheen 900ms ease-out 1}
@keyframes sheen{from{background-position:0 100%}to{background-position:0 0}}
.thermo-m{display:none}
@media (max-width:1259px){.thermo{display:none}
  .thermo-m{display:flex;position:fixed;z-index:4;left:max(12px,env(safe-area-inset-left,0px));bottom:calc(12px + env(safe-area-inset-bottom,0px));gap:8px;align-items:center;
   font-family:var(--f-mono);font-size:11px;color:var(--live);background:color-mix(in srgb,var(--paper) 90%,transparent);border:1px solid var(--rule);border-radius:99px;padding:4px 10px;pointer-events:none}
  .thermo-m i{display:block;width:8px;height:8px;border-radius:50%;background:var(--live)}}
.endnote{font-family:var(--f-mono);font-size:var(--t1);color:var(--glass);text-align:right;padding-top:24px}

/* mark */
.brand{display:inline-flex;align-items:center;gap:8px}
.mark svg{display:block;width:22px;height:16px}
footer .mark svg{width:30px;height:22px}
/* open questions */
.oq{display:grid;border-top:1px solid var(--rule)}
.oq article{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:8px 40px;padding:22px 0;border-bottom:1px solid var(--rule)}
.oq h3{font-size:var(--t4);line-height:1.25;grid-row:span 3}
.oq dl{margin:0;display:grid;gap:8px;font-size:var(--t2)}
.oq dt{font-family:var(--f-mono);font-size:var(--t1);color:var(--muted)}
.oq dd{margin:0 0 6px}
@media (max-width:760px){.oq article{grid-template-columns:minmax(0,1fr)}}
/* volcanoes */
.vcard svg.mini rect{fill:var(--paper-2);stroke:var(--rule)}.vcard svg.mini .band{fill:color-mix(in oklab,var(--melt) 45%,var(--glass));fill-opacity:.3}.vcard svg.mini .dry{fill:none;stroke:var(--glass);stroke-width:1.5}.vcard svg.mini text{font-family:var(--f-mono);font-size:9px;fill:var(--muted)}
.vstrip svg{width:100%;height:auto;display:block}.vstrip .hb{fill:var(--rule)}.vstrip .vm{stroke:var(--melt);stroke-width:2.5}.vstrip .vl{fill:var(--melt);font-family:var(--f-mono);font-size:12px;font-weight:600}.vstrip text{font-family:var(--f-mono);font-size:10.5px;fill:var(--muted)}
.vgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 40px;border-top:1px solid var(--rule)}
@media (max-width:760px){.vgrid{grid-template-columns:minmax(0,1fr)}}
.vcard{display:grid;grid-template-columns:110px minmax(0,1fr);gap:4px 18px;padding:20px 0;border-bottom:1px solid var(--rule);text-decoration:none}
.vcard>.maps{grid-row:span 3;grid-column:1}.vcard>*:not(.maps){grid-column:2}.vcard{align-content:start}
.vcard h3{font-size:var(--t4)}
.vcard p{font-size:var(--t2);color:var(--muted)}
.vcard:hover h3{text-decoration:underline;text-decoration-color:var(--ink)}
.vdetail{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:40px;align-items:start}
@media (max-width:860px){.vdetail{grid-template-columns:minmax(0,1fr)}}
.maps{display:grid;grid-template-columns:150px minmax(0,1fr);gap:12px;align-items:end}
.maps svg{display:block;width:100%;height:auto}
.maps .sea{fill:var(--paper-2)} .maps .land{fill:color-mix(in srgb,var(--muted) 30%,var(--paper));stroke:none}
.maps .grat{fill:none;stroke:var(--rule);stroke-width:.5} .maps .rim{fill:none;stroke:var(--muted);stroke-width:.8}
.maps .v{fill:var(--paper);stroke:var(--muted);stroke-width:1.2} .maps .v.on{fill:var(--melt);stroke:var(--paper);stroke-width:1.5}
.maps text{font-family:var(--f-mono);font-size:10px;fill:var(--muted)} .maps text.on{fill:var(--ink);font-weight:500}
.maps .box{fill:none;stroke:var(--melt);stroke-width:1.2}
.vphoto{margin:0 0 28px;min-width:0;max-width:100%;overflow:hidden}.vphoto img{aspect-ratio:21/9;width:100%;object-fit:cover;background:var(--paper-2)}
.vphoto figcaption,.vfig figcaption{font-size:var(--t1);color:var(--muted)}
.vfig{margin-top:28px;gap:10px}.vfig img{aspect-ratio:auto;object-fit:contain;background:#fff;max-height:640px;padding:12px;border:1px solid var(--rule)}
@media (max-width:760px){.vphoto img{aspect-ratio:4/3}}
.vchart svg{display:block;width:100%;height:auto}
.vchart text{font-family:var(--f-mono);font-size:11px;fill:var(--muted)}
.vchart .grid line{stroke:var(--rule)} .vchart .ax{stroke:var(--muted)}
.vchart .ttl{font-family:var(--f-text);font-size:13px;fill:var(--ink)}
.back{font-family:var(--f-mono);font-size:var(--t1)}
/* work with us */
.routes{display:grid;border-top:1px solid var(--rule)}
.routes article{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.6fr);gap:8px 40px;padding:22px 0;border-bottom:1px solid var(--rule)}
.routes h3{font-size:var(--t4)}
.routes p{color:var(--muted)}
@media (max-width:760px){.routes article{grid-template-columns:minmax(0,1fr)}}
ol.steps{margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;counter-reset:st}
ol.steps li{list-style:none;border-top:1px solid var(--ink);padding-top:12px;font-size:var(--t2)}
ol.steps li::before{counter-increment:st;content:counter(st);display:block;font-family:var(--f-mono);font-size:var(--t1);color:var(--muted);margin-bottom:6px}
@media (max-width:760px){ol.steps{grid-template-columns:minmax(0,1fr)}}
/* calculator: solve + cite */
.solve{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;font-family:var(--f-ui);font-size:var(--t1);color:var(--muted)}
.solve input{width:6.5em}
.solve .chip{font-size:var(--t1)}

.dataline{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;font-family:var(--f-ui);font-size:var(--t1);color:var(--muted)}
.chk{display:inline-flex;gap:6px;align-items:center;cursor:pointer}
.legend{display:inline-flex;flex-wrap:wrap;gap:4px 14px}
.legend svg{vertical-align:middle;margin-right:4px}
.chart .pt{fill:var(--paper);stroke-width:1.6}
.chart .pt.bad{stroke-dasharray:2 2;opacity:.6}
details.cite{border-top:1px solid var(--rule);padding-top:12px}
details.cite summary{cursor:pointer;font-family:var(--f-ui);font-size:var(--t2)}
details.cite pre{white-space:pre-wrap;font-family:var(--f-mono);font-size:var(--t1);background:var(--paper-2);padding:14px;border-radius:2px;overflow-x:auto;margin:12px 0}
footer{border-top:1px solid var(--rule);padding-block:28px 40px}
footer .wrap.logos{display:flex;flex-wrap:wrap;gap:20px 40px;align-items:center;background:#fff;border-radius:2px;padding-block:20px;margin-bottom:18px;justify-content:flex-start}
footer .logos img{display:block;width:auto}
footer .geo{display:inline-flex;gap:8px;align-items:center;font-family:var(--f-ui);font-size:11px;line-height:1.25;color:#2a3335;text-decoration:none}
footer .fund p{font-family:var(--f-ui);font-size:var(--t1);color:var(--muted);max-width:90ch;margin-bottom:14px}
ul.files{margin:0;padding:0;list-style:none;display:grid;gap:6px;font-size:var(--t2)}
.cookie{position:fixed;z-index:20;left:0;right:0;bottom:0;background:var(--paper);border-top:1px solid var(--rule);padding:10px max(16px,env(safe-area-inset-left,0px)) calc(10px + env(safe-area-inset-bottom,0px));display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px 18px;font-family:var(--f-ui);font-size:var(--t1);color:var(--muted)}
.cookie p{margin:0;max-width:62ch}.cookie .row2{display:flex;gap:8px;flex-wrap:nowrap}.cookie .btn{padding:5px 12px;font-size:var(--t1)}
@media print{
  :root{--paper:#fff;--paper-2:#f4f4f4;--ink:#000;--muted:#444;--rule:#ccc}
  header.top{position:static;border:0} nav.main,.thermo,.thermo-m,.actions,.btn,.chip,.dataline input,.hist,.filters,.chips{display:none!important}
  section.blk{padding-block:18px;break-inside:avoid-page} .trow,.spec,.pub,.routes article{break-inside:avoid}
  body{font-size:11pt} a{text-decoration:none}
  details.cite{display:block} details.cite>*{display:block}
}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-family:var(--f-ui);font-size:var(--t1);color:var(--muted)}