:root{
  --ink:#0A1B2E; --ink-2:#0F2942;
  --paper:#F7F9FB; --paper-2:#EDF2F6; --card:#FFFFFF; --line:#D8E2EB;
  --text:#182A3D; --muted:#5C6F84;
  --teal:#2A9DB0; --teal-deep:#1C7E8F; --amber:#E0992F;
  --light:#EAF2F7; --light-muted:#9DB6C9;
  --maxw:1100px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text);
  font-family:"IBM Plex Sans",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:"IBM Plex Serif",Georgia,serif;font-weight:600;line-height:1.14;letter-spacing:-0.008em;margin:0 0 .5em}
a{color:var(--teal-deep);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px;top:0;background:#fff;padding:10px 14px;z-index:60}
.skip:focus{left:12px;top:12px}
img{max-width:100%;display:block}
.eyebrow{font-family:"IBM Plex Mono",monospace;font-size:.73rem;letter-spacing:.2em;
  text-transform:uppercase;color:var(--teal-deep);margin:0 0 .8em}
.eyebrow.light{color:#7FD3DF}
.site-header{position:sticky;top:0;z-index:40;background:rgba(10,27,46,.93);
  backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid rgba(255,255,255,.08)}
.bar{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-family:"IBM Plex Serif",serif;
  font-weight:600;font-size:1.05rem}
.brand:hover{text-decoration:none}
.brand-mark{width:14px;height:14px;border-radius:50%;background:var(--teal);flex:0 0 auto;
  box-shadow:0 0 0 4px rgba(42,157,176,.25),10px -3px 0 -2px var(--amber)}
.nav-links{display:flex;gap:18px}
.nav-links a{color:var(--light-muted);font-size:.9rem;font-weight:500}
.nav-links a:hover{color:#fff;text-decoration:none}
.nav-links a[aria-current="page"]{color:#fff;border-bottom:2px solid var(--teal);padding-bottom:2px}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:#fff;border-radius:2px;transition:.2s}
.hero{position:relative;background:linear-gradient(160deg,var(--ink),var(--ink-2));
  color:var(--light);overflow:hidden;border-bottom:1px solid rgba(255,255,255,.06)}
#swarm{position:absolute;inset:0;width:100%;height:100%;display:block}
.hero-inner{position:relative;z-index:2;padding:88px 24px 84px;max-width:var(--maxw);margin:0 auto;
  display:grid;grid-template-columns:1.25fr .75fr;gap:56px;align-items:center}
.hero-title{font-size:clamp(2rem,4.6vw,3.3rem);font-weight:600;color:#fff;max-width:19ch;margin:0 0 .4em}
.hero-lede{max-width:56ch;color:#CFE0EC;font-size:1.1rem;margin:0}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:2em}
.btn{display:inline-block;padding:13px 24px;border-radius:8px;font-weight:600;font-size:.95rem;
  font-family:"IBM Plex Sans",sans-serif}
.btn.primary{background:var(--teal);color:#04222B}
.btn.primary:hover{background:#37B3C6;text-decoration:none}
.btn.ghost{border:1px solid rgba(255,255,255,.35);color:#fff}
.btn.ghost:hover{border-color:#fff;text-decoration:none}
.portrait-wrap{justify-self:end}
.portrait{width:min(320px,100%);border-radius:16px;border:1px solid rgba(255,255,255,.22);
  box-shadow:0 0 0 6px rgba(42,157,176,.14), 0 24px 60px rgba(0,0,0,.4)}
.proof{background:var(--card);border-bottom:1px solid var(--line)}
.proof-inner{display:flex;flex-wrap:wrap}
.proof-item{flex:1 1 180px;padding:22px 24px;border-left:1px solid var(--line)}
.proof-item:first-child{border-left:0}
.proof-item b{display:block;font-family:"IBM Plex Serif",serif;font-size:1.45rem;color:var(--ink);font-weight:600}
.proof-item span{font-family:"IBM Plex Mono",monospace;font-size:.68rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--muted)}
.page-head{background:linear-gradient(160deg,var(--ink),var(--ink-2));color:var(--light);
  padding:72px 0 58px}
.page-head h1{color:#fff;font-size:clamp(1.9rem,4vw,2.8rem);max-width:22ch}
.page-head .lede{color:#CFE0EC;max-width:64ch;margin:.6em 0 0;font-size:1.06rem}
.section{padding:72px 0}
.section.alt{background:var(--paper-2)}
.prose{max-width:780px}
.prose h2{font-size:1.55rem;margin-top:.2em}
.prose p{color:#2C3E51}
.prose .eyebrow{margin-top:2.2em}
.prose .eyebrow:first-child{margin-top:0}
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px}
.pillars{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:12px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:28px;
  box-shadow:0 1px 2px rgba(16,42,71,.05)}
.card h2{font-size:1.35rem}
.card p{color:#3A4D61;margin:.2em 0 1em}
.tag{display:inline-block;font-family:"IBM Plex Mono",monospace;font-size:.66rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--teal-deep);background:#E3F1F4;border-radius:999px;
  padding:4px 11px;margin-bottom:12px}
.more{font-weight:600;font-family:"IBM Plex Sans",sans-serif}
.highlight-list{list-style:none;padding:0;margin:.5em 0 1.4em;display:grid;gap:14px}
.highlight-list li{background:#fff;border:1px solid var(--line);border-left:3px solid var(--amber);
  border-radius:10px;padding:17px 20px;color:#34485C}
.hl-venue{display:block;font-family:"IBM Plex Mono",monospace;font-size:.72rem;letter-spacing:.08em;
  color:var(--teal-deep);margin-bottom:4px}
.pub-group{margin-bottom:42px}
.pub-group h2{font-size:1.28rem;color:var(--ink);padding-bottom:9px;border-bottom:2px solid var(--line)}
.pub-list{list-style:none;padding:0;margin:14px 0 0}
.pub-item{padding:15px 0;border-bottom:1px solid var(--line)}
.pub-title{margin:0;font-weight:600;color:#1A2C40}
.pub-meta{margin:5px 0 0;color:var(--muted);font-size:.92rem}
.venue{font-family:"IBM Plex Mono",monospace;font-size:.79rem;color:var(--teal-deep)}
.doi{font-family:"IBM Plex Mono",monospace;font-size:.79rem;margin-left:6px}
.note{margin-top:18px;color:var(--muted)}
.pub-output{margin:6px 0 0;color:#3A4D61;font-size:.9rem;padding-left:15px;
  border-left:2px solid var(--teal)}
.pub-output .lead{font-family:"IBM Plex Mono",monospace;font-size:.68rem;letter-spacing:.06em;
  text-transform:uppercase;color:var(--teal-deep);margin-right:6px}
.role-tag{font-family:"IBM Plex Mono",monospace;font-size:.72rem;color:var(--teal-deep)}
.thesis{margin:3px 0 0;color:var(--ink-2);font-style:italic;font-size:1.02rem;line-height:1.42}
.hdr-meta{display:flex;flex-wrap:wrap;gap:10px 30px;margin:12px 0 0;padding:0}
.hdr-meta > div{display:flex;flex-direction:column;gap:2px}
.hdr-meta dt{font-family:"IBM Plex Mono",monospace;font-size:.62rem;letter-spacing:.09em;
  text-transform:uppercase;color:var(--muted)}
.hdr-meta dd{margin:0;font-size:.92rem;color:#2C3E51}
.hdr-meta dd.role{color:var(--teal-deep);font-weight:600}
.pub-meta em{font-style:normal;font-family:"IBM Plex Mono",monospace;font-size:.7rem;
  letter-spacing:.08em;text-transform:uppercase;color:#9A6A14;background:#FBF0DC;
  border:1px solid #EDD9B0;border-radius:999px;padding:2px 9px}
.chip{font-family:"IBM Plex Mono",monospace;font-size:.68rem;letter-spacing:.08em;
  text-transform:uppercase;border-radius:999px;padding:2px 9px;margin-left:6px;vertical-align:1px}
.chip.q1{color:var(--teal-deep);background:#E3F1F4;border:1px solid #C4E2E8}
.chip.year{color:var(--muted);background:var(--paper-2);border:1px solid var(--line)}
.soft-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.soft-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:26px}
.soft-card h2{font-size:1.25rem}
.soft-card p{color:#3A4D61}
.service-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:10px}
.ph{margin:0;background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.ph img{width:100%;aspect-ratio:4/3;object-fit:cover}
.ph.wide{grid-column:span 2}
.ph.wide img{aspect-ratio:8/3}
.ph figcaption{padding:11px 15px;font-size:.85rem;color:var(--muted);
  font-family:"IBM Plex Mono",monospace;letter-spacing:.01em}
.band{position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--line);margin:0}
.band img{width:100%;max-height:420px;object-fit:cover}
.band figcaption{position:absolute;left:0;right:0;bottom:0;padding:18px 22px;color:#EAF2F7;
  background:linear-gradient(transparent,rgba(10,27,46,.85));font-size:.92rem}
.contact{max-width:640px;display:grid;gap:12px}
.contact-row{display:flex;justify-content:space-between;align-items:center;gap:16px;
  background:#fff;border:1px solid var(--line);border-radius:10px;padding:17px 20px;color:var(--text)}
.contact-row:hover{border-color:var(--teal);text-decoration:none}
.c-label{font-family:"IBM Plex Mono",monospace;font-size:.76rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--teal-deep)}
.c-val{color:#33485C}
.news{list-style:none;padding:0;margin:8px 0 0}
.news li{display:flex;gap:18px;padding:13px 0;border-bottom:1px solid var(--line)}
.news li:last-child{border-bottom:0}
.news .when{font-family:"IBM Plex Mono",monospace;font-size:.76rem;color:var(--teal-deep);
  flex:0 0 88px;padding-top:3px}
.news .what{color:#2C3E51}
.site-footer{background:var(--ink);color:var(--light-muted);padding:50px 0 30px}
.foot{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
.foot-name{font-family:"IBM Plex Serif",serif;color:#fff;font-weight:600;font-size:1.08rem}
.foot-line{max-width:48ch;margin:.4em 0 0;color:#9DB6C9}
.foot-links{display:flex;gap:20px;flex-wrap:wrap;align-items:flex-start}
.foot-links a{color:#BCD3E2;font-size:.92rem}
.foot-meta{margin-top:26px;padding-top:18px;border-top:1px solid rgba(255,255,255,.08);
  font-size:.82rem;color:#7C93A7}
@media (max-width:820px){
  .nav-toggle{display:flex}
  .nav-links{position:fixed;inset:64px 0 auto 0;flex-direction:column;gap:0;
    background:var(--ink);padding:8px 0;transform:translateY(-130%);transition:transform .25s;
    border-bottom:1px solid rgba(255,255,255,.08)}
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:14px 24px;border-top:1px solid rgba(255,255,255,.05)}
  .nav-links a[aria-current="page"]{border-bottom:0;color:var(--teal)}
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:64px 24px 72px}
  .portrait-wrap{justify-self:start}
  .pillars,.split,.soft-grid,.service-grid{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr}
  .ph.wide{grid-column:span 1}
  .proof-item{flex:1 1 46%;border-left:0;border-top:1px solid var(--line)}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* ---- Research figures & project visuals (added) ---- */
.pillar-fig{margin:18px 0 8px;background:var(--card);border:1px solid var(--line);
  border-radius:14px;padding:20px 20px 12px;box-shadow:0 1px 2px rgba(16,42,71,.05)}
.pillar-fig svg{width:100%;height:auto;display:block}
.fig-note{font-family:"IBM Plex Mono",monospace;font-size:.72rem;letter-spacing:.02em;
  color:var(--muted);margin:10px 2px 2px}
.results-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:16px}
.result-card{background:var(--card);border:1px solid var(--line);border-radius:14px;
  overflow:hidden;display:flex;flex-direction:column;box-shadow:0 1px 2px rgba(16,42,71,.05)}
.result-fig{padding:16px 16px 4px;background:linear-gradient(180deg,#F5F9FB,#FFFFFF);
  border-bottom:1px solid var(--line)}
.result-fig svg{width:100%;height:auto;display:block}
.result-body{padding:16px 22px 20px;display:flex;flex-direction:column;flex:1}
.result-body h3{font-family:"IBM Plex Serif",serif;font-size:1.12rem;font-weight:600;
  color:var(--ink);margin:.15em 0 .45em;line-height:1.2}
.result-body p{color:#3A4D61;font-size:.95rem;margin:0 0 1em}
.fig-cite{margin-top:auto;font-family:"IBM Plex Mono",monospace;font-size:.72rem;
  line-height:1.5;color:var(--muted);border-top:1px solid var(--line);padding-top:11px}
.fig-cite .venue{color:var(--teal-deep)}
.fig-cite a{font-family:"IBM Plex Mono",monospace;font-size:.72rem}
@media (max-width:820px){.results-grid{grid-template-columns:1fr}
  .car-track>.result-card{flex-basis:88%}
  .car-arrow{display:none!important}}

/* ---- Research page: section structure, sub-nav, paper tabs (added) ---- */
main section[id]{scroll-margin-top:122px}
.sec-title{font-size:clamp(1.75rem,3vw,2.25rem);margin:.1em 0 .45em;color:var(--ink)}
.sec-rule{height:3px;width:52px;background:var(--amber);border:0;border-radius:2px;
  margin:0 0 14px}
.subnav{position:sticky;top:64px;z-index:30;background:rgba(247,249,251,.94);
  backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid var(--line)}
.subnav .container{display:flex;gap:8px;overflow-x:auto;padding-top:10px;padding-bottom:10px;
  scrollbar-width:none}
.subnav .container::-webkit-scrollbar{display:none}
.subnav a{flex:0 0 auto;font-family:"IBM Plex Mono",monospace;font-size:.72rem;
  letter-spacing:.08em;text-transform:uppercase;color:var(--muted);
  padding:7px 13px;border-radius:999px;border:1px solid transparent;white-space:nowrap}
.subnav a:hover{color:var(--teal-deep);text-decoration:none}
.subnav a.active{color:var(--teal-deep);background:#E3F1F4;border-color:#C4E2E8}
.paper-tabs{display:none;flex-wrap:wrap;gap:8px;margin:20px 0 0;padding:14px 0 16px;
  position:sticky;top:114px;z-index:25;background:var(--paper-2);
  box-shadow:0 10px 14px -12px rgba(16,42,71,.18)}
.paper-tabs.ready{display:flex}
.paper-tab{font-family:"IBM Plex Sans",sans-serif;font-size:.87rem;font-weight:600;
  color:#33485C;background:var(--card);border:1px solid var(--line);border-radius:999px;
  padding:9px 16px;cursor:pointer;transition:border-color .15s,background .15s,color .15s}
.paper-tab:hover{border-color:var(--teal)}
.paper-tab[aria-selected="true"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.paper-tab .pt-venue{display:block;font-family:"IBM Plex Mono",monospace;font-size:.62rem;
  font-weight:400;letter-spacing:.08em;text-transform:uppercase;color:var(--teal-deep);margin-top:2px}
.paper-tab[aria-selected="true"] .pt-venue{color:#7FD3DF}
/* swipeable paper carousel: pure CSS scroll-snap, JS adds arrows/dots/sync */
.paper-carousel{position:relative;margin-top:6px}
.car-track{display:flex;align-items:flex-start;gap:22px;overflow-x:auto;
  scroll-snap-type:x mandatory;scroll-behavior:smooth;position:relative;
  -webkit-overflow-scrolling:touch;scrollbar-width:none;padding:16px 2px 8px}
.car-track::-webkit-scrollbar{display:none}
.car-track>.result-card{flex:0 0 min(100%,820px);scroll-snap-align:start;
  scroll-snap-stop:always}
.car-track .result-fig{padding:22px 26px 8px}
.car-arrow{display:none;position:absolute;top:46%;transform:translateY(-50%);
  width:44px;height:44px;border-radius:50%;border:0;cursor:pointer;z-index:6;
  align-items:center;justify-content:center;font-size:1.15rem;line-height:1;
  background:var(--ink);color:#fff;box-shadow:0 6px 18px rgba(10,27,46,.28);
  transition:opacity .15s,background .15s}
.car-arrow:hover{background:var(--teal-deep)}
.car-arrow:disabled{opacity:.22;cursor:default;background:var(--ink)}
.car-arrow.prev{left:-8px}
.car-arrow.next{right:-8px}
.paper-carousel.ready .car-arrow{display:flex}
.car-dots{display:flex;gap:8px;justify-content:center;margin-top:16px}
.car-dot{width:9px;height:9px;border-radius:50%;border:0;padding:0;cursor:pointer;
  background:#C3D2DE;transition:background .15s,transform .15s}
.car-dot.active{background:var(--teal-deep);transform:scale(1.2)}
@media (max-width:820px){
  .subnav{top:64px}
  .paper-tab{font-size:.8rem;padding:8px 13px}
}
.backlink{display:inline-block;font-family:"IBM Plex Mono",monospace;font-size:.8rem;
  color:#7FD3DF;margin:0 0 14px}
.backlink:hover{color:#fff;text-decoration:none}
.story-fig{background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:24px;margin:14px 0 6px}
.story-fig svg{display:block;width:100%;height:auto}
.fig-note{color:var(--muted);font-size:.9rem;margin:12px 0 0;max-width:70ch}
.panel-more{margin:14px 0 0}
.colophon{border-top:1px solid var(--line);margin-top:3.2em;padding-top:1.3em}
.colophon p{color:var(--muted);font-size:.92rem;max-width:70ch;margin:0}