/* LIME-LAB site styles
   Palette: chamber blue (dark surfaces), pulse amber (laser), UV violet (links/UI), cool paper. */
:root{
  --chamber:#14224A;
  --chamber-deep:#0E1A3D;
  --paper:#F6F8FC;
  --surface:#FFFFFF;
  --text:#1A2238;
  --muted:#586181;
  --line:#DCE2EF;
  --accent:#4B35E0;
  --accent-soft:#ECE9FD;
  --amber:#F2A541;
  --on-dark:#E7EBF8;
  --on-dark-muted:#AEB8D9;
  --radius:14px;
  --serif:"Newsreader","Iowan Old Style","Palatino Linotype",Palatino,Georgia,serif;
  --sans:"Hanken Grotesk","Segoe UI",system-ui,-apple-system,Roboto,"Helvetica Neue",Arial,sans-serif;
  --wrap:1180px;
  --header-h:68px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px);-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--text);font:400 1.0625rem/1.65 var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,video{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-underline-offset:3px}
a:hover{color:#2E1DB0}
:focus-visible{outline:3px solid var(--amber);outline-offset:3px;border-radius:4px}
h1,h2,h3,h4{font-family:var(--serif);font-weight:500;letter-spacing:-.012em;line-height:1.15;margin:0 0 .5em}
p{margin:0 0 1em}
.wrap{width:min(100% - 40px,var(--wrap));margin-inline:auto}
.skip{position:absolute;left:-999px;top:8px;background:var(--amber);color:var(--chamber);padding:8px 14px;border-radius:8px;z-index:100;font-weight:600}
.skip:focus{left:12px}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;height:var(--header-h);background:var(--chamber-deep);border-bottom:1px solid rgba(255,255,255,.08)}
.site-header .wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:block;line-height:0}
.brand img{height:36px;width:auto;border-radius:6px}
.nav-toggle{display:none;background:none;border:1px solid rgba(255,255,255,.25);color:#fff;border-radius:8px;padding:8px 12px;font:600 .95rem var(--sans);cursor:pointer}
.nav ul{list-style:none;margin:0;padding:0;display:flex;gap:2px}
.nav a{display:block;padding:8px 12px;color:var(--on-dark-muted);text-decoration:none;font-weight:500;font-size:.98rem;border-radius:8px;position:relative}
.nav a:hover{color:#fff}
.nav a[aria-current="page"]{color:#fff}
.nav a[aria-current="page"]::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--amber);border-radius:2px}

@media (max-width:1020px){
  .nav-toggle{display:block}
  .nav{position:absolute;left:0;right:0;top:var(--header-h);background:var(--chamber-deep);border-bottom:1px solid rgba(255,255,255,.1);display:none;padding:8px 20px 18px}
  .nav.open{display:block}
  .nav ul{flex-direction:column;gap:0}
  .nav a{padding:12px 4px;border-radius:0;border-bottom:1px solid rgba(255,255,255,.07)}
  .nav a[aria-current="page"]::after{left:4px;right:auto;width:28px;bottom:6px}
}

/* ---------- Hero ---------- */
.hero{position:relative;background:radial-gradient(120% 90% at 78% 55%,#1D3170 0%,var(--chamber) 45%,var(--chamber-deep) 100%);color:var(--on-dark);overflow:hidden}
.hero-inner{position:relative;z-index:2;padding:72px 0 40px}
.hero h1{font-size:clamp(2.5rem,5.4vw,4.5rem);color:#fff;max-width:13ch;margin-bottom:.35em;font-weight:500;letter-spacing:-.02em}
.hero .affil{font-size:1.15rem;color:var(--on-dark);margin-bottom:2rem;max-width:34ch;line-height:1.5}
.hero .affil span{display:block;color:var(--on-dark-muted)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-sim{position:relative;height:300px}
.hero-sim canvas{position:absolute;inset:0;width:100%;height:100%}
.sim-note{position:absolute;right:20px;bottom:14px;max-width:34ch;margin:0;font-size:.82rem;line-height:1.45;color:var(--on-dark-muted);text-align:left}
@media (min-width:900px){
  .hero{min-height:clamp(540px,82vh,780px);display:flex;align-items:center}
  .hero-inner{padding:96px 0 120px;width:min(100% - 40px,var(--wrap));margin-inline:auto}
  .hero-sim{position:absolute;inset:0;height:auto}
  .sim-note{right:max(20px,calc((100vw - var(--wrap))/2));bottom:28px}
}
@media (max-width:899px){
  .hero{display:flex;flex-direction:column}
  .hero-inner{width:min(100% - 40px,var(--wrap));margin-inline:auto}
  .hero-sim{height:auto}
  .hero-sim canvas{position:relative;display:block;height:250px}
  .sim-note{position:static;padding:4px 20px 22px;max-width:none}
}

/* ---------- Buttons ---------- */
.btn{display:inline-block;padding:12px 22px;border-radius:999px;font-weight:600;font-size:1rem;text-decoration:none;border:2px solid transparent;transition:background-color .15s,color .15s,border-color .15s}
.btn-amber{background:var(--amber);color:var(--chamber)}
.btn-amber:hover{background:#FFB95C;color:var(--chamber)}
.btn-ghost{border-color:rgba(255,255,255,.4);color:#fff}
.btn-ghost:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.08)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#3925BD;color:#fff}

/* ---------- Page head (inner pages) ---------- */
.page-head{background:linear-gradient(135deg,var(--chamber-deep),var(--chamber) 60%,#1C2F6B);color:#fff;padding:56px 0 52px}
.page-head h1{font-size:clamp(2rem,4.2vw,3.2rem);margin:0;letter-spacing:-.02em}

/* ---------- Sections ---------- */
.section{padding:72px 0}
.section.tight{padding:48px 0}
.section h2{font-size:clamp(1.7rem,3vw,2.3rem)}
.lead{font-size:1.2rem;line-height:1.6;max-width:62ch}
.prose{max-width:68ch}
.prose p{margin-bottom:1.15em}
.split{display:grid;gap:48px;grid-template-columns:1fr}
@media (min-width:900px){.split{grid-template-columns:5fr 7fr;align-items:start}}

/* intro on home */
.intro{display:grid;gap:32px;grid-template-columns:1fr}
@media (min-width:900px){.intro{grid-template-columns:4fr 7fr;gap:64px}}
.intro h2{margin:0}

/* research list on home */
.area-list{list-style:none;margin:40px 0 0;padding:0;border-top:1px solid var(--line)}
.area-list li{display:grid;grid-template-columns:1fr;gap:12px;padding:28px 0;border-bottom:1px solid var(--line)}
@media (min-width:760px){.area-list li{grid-template-columns:minmax(0,4fr) minmax(0,7fr) auto;gap:40px;align-items:baseline}}
.area-list h3{font-size:1.5rem;margin:0}
.area-list h3 a{color:var(--text);text-decoration:none}
.area-list h3 a:hover{color:var(--accent)}
.area-list p{margin:0;color:var(--muted);max-width:60ch}
.more{font-weight:600;text-decoration:none;white-space:nowrap}
.more:hover{text-decoration:underline}

/* ---------- Publications ---------- */
.pub-tools{display:grid;gap:16px;margin-bottom:36px}
.search{width:100%;max-width:520px;padding:12px 16px;border:1.5px solid var(--line);border-radius:12px;background:var(--surface);font:inherit;color:var(--text)}
.search:focus{border-color:var(--accent);outline:3px solid var(--accent-soft)}
.chips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}
.chip{border:1.5px solid var(--line);background:var(--surface);color:var(--text);padding:6px 14px;border-radius:999px;font:500 .92rem var(--sans);cursor:pointer}
.chip:hover{border-color:var(--accent)}
.chip[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:#fff}
.pub-count{color:var(--muted);font-size:.95rem;margin:0}
.pub-group{display:grid;gap:4px 40px;grid-template-columns:1fr;margin-bottom:12px}
@media (min-width:820px){.pub-group{grid-template-columns:110px 1fr}}
.pub-year{font-family:var(--serif);font-size:2rem;font-weight:500;color:var(--muted);margin:0;line-height:1.2;padding-top:14px}
@media (min-width:820px){.pub-year{position:sticky;top:calc(var(--header-h) + 14px);align-self:start}}
.pub{padding:18px 0;border-top:1px solid var(--line)}
.pub h3{font-size:1.2rem;line-height:1.3;margin:0 0 6px}
.pub h3 a{color:var(--text);text-decoration-color:var(--line);text-decoration-thickness:2px}
.pub h3 a:hover{color:var(--accent);text-decoration-color:var(--accent)}
.pub .authors{margin:0 0 4px;color:var(--muted);font-size:.97rem;line-height:1.5}
.pub .journal{margin:0;font-size:.93rem;font-style:italic}
.no-results{display:none;padding:32px 0;color:var(--muted)}
.no-results.show{display:block}
.pub[hidden],.pub-group[hidden]{display:none}

/* ---------- Team ---------- */
.roster-title{font-size:1.7rem;margin:0 0 28px}
.roster-title.alumni{margin-top:72px}
.roster{list-style:none;padding:0;margin:0;display:grid;gap:44px 28px;grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}
.person img,.person .monogram{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:var(--radius);background:var(--line);margin-bottom:14px}
.monogram{display:grid;place-items:center;font:500 3rem var(--serif);color:var(--on-dark);background:linear-gradient(135deg,var(--chamber),#2B3F86)!important}
.person h3{font-size:1.25rem;margin:0 0 2px}
.person .role{margin:0 0 8px;color:var(--muted);font-size:.93rem}
.person .topic{margin:0 0 6px;font-size:.98rem;line-height:1.45}
.person .mail{font-size:.88rem;word-break:break-all}
.person .now{margin:8px 0 0;font-size:.93rem;color:var(--muted);line-height:1.45;padding-left:10px;border-left:2px solid var(--amber)}

/* ---------- Principal investigator ---------- */
.pi{display:grid;gap:40px;grid-template-columns:1fr}
@media (min-width:860px){.pi{grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:64px;align-items:start}}
.pi img{width:100%;border-radius:var(--radius);aspect-ratio:1/1;object-fit:cover}
.pi h2 a{color:var(--text);text-decoration-color:var(--line);text-decoration-thickness:2px}
.pi h2 a:hover{color:var(--accent)}
.pi .bio{font-size:1.15rem;color:var(--muted);font-style:italic;max-width:56ch}
.facts{display:grid;grid-template-columns:auto 1fr;gap:10px 20px;margin:24px 0 0}
.facts dt{font-weight:600}
.facts dd{margin:0}
.facts a{color:var(--accent)}
.cv{display:grid;gap:56px;grid-template-columns:1fr;margin-top:72px}
@media (min-width:860px){.cv{grid-template-columns:1fr 1fr;gap:72px}}
.cv h2{font-size:1.7rem;margin-bottom:28px}
.timeline{list-style:none;margin:0;padding:0}
.timeline li{position:relative;padding:0 0 28px 26px;border-left:2px solid var(--line);margin-left:6px}
.timeline li::before{content:"";position:absolute;left:-7px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--paper);border:3px solid var(--accent)}
.timeline li:last-child{border-left-color:transparent}
.timeline h3{font-size:1.2rem;margin:0}
.timeline .when{display:block;font-weight:600;color:var(--accent);font-size:.93rem;margin:2px 0 4px}
.timeline p{margin:0 0 4px;color:var(--muted);font-size:.98rem;line-height:1.5}

/* ---------- Research ---------- */
.area{display:grid;gap:32px;grid-template-columns:1fr;padding:56px 0;border-top:1px solid var(--line)}
@media (min-width:900px){
  .area{grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:64px;align-items:center}
  .area:nth-of-type(even) .area-fig{order:2}
}
.area h2{font-size:clamp(1.6rem,2.6vw,2.1rem)}
.plate{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px}
.plate img,.plate video{width:100%;height:auto;border-radius:8px}
.plate figcaption{font-size:.85rem;color:var(--muted);padding:10px 4px 0}
.area-fig{margin:0}

/* ---------- About ---------- */
.about-photo{margin:0}
.about-photo img{width:100%;border-radius:var(--radius)}

/* ---------- Join / CTA band ---------- */
.join{background:var(--accent);color:#fff;border-radius:20px;padding:44px 40px;display:grid;gap:20px;grid-template-columns:1fr;align-items:center}
@media (min-width:860px){.join{grid-template-columns:1fr auto;padding:52px 56px}}
.join h2{color:#fff;margin:0 0 8px;font-size:clamp(1.6rem,3vw,2.2rem)}
.join p{margin:0;max-width:56ch;color:#EEEBFF}
.join .btn{background:#fff;color:var(--accent)}
.join .btn:hover{background:var(--amber);color:var(--chamber)}

/* ---------- Contact ---------- */
.contact-grid{display:grid;gap:40px;grid-template-columns:1fr}
@media (min-width:820px){.contact-grid{grid-template-columns:repeat(3,1fr);gap:48px}}
.contact-grid h2{font-size:1.4rem;margin-bottom:10px}
.contact-grid address{font-style:normal;line-height:1.7}
.contact-grid p{margin:0}

/* ---------- Footer ---------- */
.site-footer{background:var(--chamber-deep);color:var(--on-dark-muted);padding:64px 0 32px;font-size:.98rem}
.site-footer .cols{display:grid;gap:40px;grid-template-columns:1fr}
@media (min-width:860px){.site-footer .cols{grid-template-columns:5fr 3fr 4fr;gap:64px}}
.site-footer h2{font-family:var(--sans);font-size:1rem;font-weight:700;color:#fff;letter-spacing:0;margin-bottom:14px}
.site-footer a{color:var(--on-dark);text-decoration-color:rgba(255,255,255,.3)}
.site-footer a:hover{color:var(--amber)}
.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.site-footer p{margin:0 0 10px;line-height:1.6}
.site-footer address{font-style:normal;line-height:1.7}
.site-footer .legal{margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);font-size:.88rem}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important}
}