:root{
  --deep:#0C2B29;
  --water:#14524E;
  --water-2:#1E6B65;
  --signal:#33D6B8;
  --signal-deep:#0FA98C;
  --surface:#EFF3F1;
  --panel:#FBFDFC;
  --mist:#D5E2DD;
  --muted:#587471;
  --sans:'Space Grotesk',system-ui,sans-serif;
  --serif:'Newsreader',Georgia,serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;
  --wrap:1120px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  background:var(--surface);
  color:var(--deep);
  font-family:var(--serif);
  font-size:18px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}
a{color:inherit}
::selection{background:var(--signal);color:var(--deep)}

.eyebrow{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--water-2);
}

/* ---------- header ---------- */
header{
  position:sticky;top:0;z-index:50;
  background:rgba(239,243,241,.82);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--mist);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--sans);font-weight:600;letter-spacing:-.01em;text-decoration:none}
.brand .dot{width:14px;height:14px;border-radius:50%;background:radial-gradient(circle at 35% 30%,var(--signal),var(--signal-deep));box-shadow:0 0 0 4px rgba(51,214,184,.18)}
.navlinks{display:flex;gap:30px;font-family:var(--sans);font-size:14.5px;font-weight:500}
.navlinks a{text-decoration:none;color:var(--water);opacity:.8;transition:opacity .2s,color .2s}
.navlinks a:hover{opacity:1;color:var(--signal-deep)}
.navlinks a.active{opacity:1;color:var(--deep);border-bottom:2px solid var(--signal);padding-bottom:2px}
.navlinks a:focus-visible{outline:2px solid var(--signal-deep);outline-offset:4px;border-radius:2px}
@media(max-width:720px){.navlinks{gap:18px;font-size:13px}}
.navlinks a.lang-switch{display:inline-flex;align-items:center;line-height:0;opacity:.7;transition:opacity .2s,transform .15s}
.navlinks a.lang-switch svg{width:23px;height:auto;border-radius:3px;display:block;box-shadow:0 0 0 1px rgba(0,0,0,.12)}
.navlinks a.lang-switch:hover{opacity:1;transform:translateY(-1px)}

/* hamburger menu (mobile only) */
.menu-toggle{position:absolute;opacity:0;pointer-events:none}
.hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;width:32px;height:32px;padding:0;cursor:pointer;z-index:60}
.hamburger span{display:block;height:2px;width:100%;background:var(--deep);border-radius:2px;transition:transform .25s ease,opacity .2s ease}
.menu-toggle:focus-visible ~ .hamburger{outline:2px solid var(--signal-deep);outline-offset:3px;border-radius:4px}

@media(max-width:640px){
  .hamburger{display:flex}
  .navlinks{
    position:fixed;top:66px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--panel);
    border-bottom:1px solid var(--mist);
    box-shadow:0 16px 30px -20px rgba(12,43,41,.35);
    padding:0 28px;
    max-height:0;overflow:hidden;opacity:0;
    transition:max-height .3s ease,opacity .25s ease,padding .3s ease;
  }
  .navlinks a{padding:14px 0;border-top:1px solid var(--mist)}
  .navlinks a:first-child{border-top:none}
  .navlinks a.hidemob{display:block}
  .navlinks a.lang-switch{padding:14px 0}
  .menu-toggle:checked ~ .navlinks{max-height:70vh;opacity:1;padding:6px 28px 22px}
  .menu-toggle:checked ~ .hamburger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .menu-toggle:checked ~ .hamburger span:nth-child(2){opacity:0}
  .menu-toggle:checked ~ .hamburger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}

/* ---------- buttons ---------- */
.btn{
  font-family:var(--sans);font-weight:600;font-size:14.5px;
  text-decoration:none;padding:12px 22px;border-radius:100px;
  display:inline-block;transition:transform .15s,box-shadow .2s,border-color .2s,color .2s;
}
.btn-primary{background:var(--deep);color:var(--surface)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 24px -10px rgba(12,43,41,.6)}
.btn-ghost{color:var(--water);border:1px solid var(--mist)}
.btn-ghost:hover{border-color:var(--water-2);color:var(--deep)}
.btn:focus-visible{outline:2px solid var(--signal-deep);outline-offset:3px}

/* ---------- home hero ---------- */
.hero{padding:76px 0 64px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
@media(max-width:860px){.hero-grid{grid-template-columns:1fr;gap:40px}}
h1{
  font-family:var(--sans);
  font-weight:700;
  font-size:clamp(2.4rem,6vw,4rem);
  line-height:1.03;
  letter-spacing:-.03em;
  margin:20px 0 22px;
}
h1 em{font-family:var(--serif);font-style:italic;font-weight:400;color:var(--water-2)}
.lede{font-size:1.28rem;color:var(--water);max-width:36ch;margin-bottom:30px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}

/* signature readout */
.readout{
  background:var(--deep);border-radius:18px;padding:26px 26px 20px;
  position:relative;overflow:hidden;box-shadow:0 30px 60px -30px rgba(12,43,41,.55);
}
.readout svg{display:block;width:100%;height:auto}
.seqband{font-family:var(--mono);font-size:12.5px;letter-spacing:.28em;color:#3f6b66;margin-top:14px;white-space:nowrap;overflow:hidden}
.seqband b{color:var(--signal);font-weight:500}
.grow{stroke-dasharray:650;stroke-dashoffset:650;animation-name:grow;animation-timing-function:ease;animation-duration:.9s;animation-fill-mode:forwards}
@keyframes grow{to{stroke-dashoffset:0}}
.leaf{opacity:0;animation:leafpop .4s ease forwards}
@keyframes leafpop{to{opacity:1}}
.bloom{opacity:0;transform:scale(0);transform-box:fill-box;transform-origin:center;animation:bloompop .4s ease-out forwards}
@keyframes bloompop{to{opacity:1;transform:scale(1)}}
.butterfly{opacity:0;animation:bflyin .5s ease forwards,bflyfloat 3s ease-in-out 2.6s infinite}
@keyframes bflyin{to{opacity:1}}
@keyframes bflyfloat{0%,100%{transform:translate(0,0)}50%{transform:translate(3px,-5px)}}
@media(prefers-reduced-motion:reduce){.grow{animation:none;stroke-dashoffset:0}.leaf{animation:none;opacity:1}.bloom{animation:none;opacity:1;transform:scale(1)}.butterfly{animation:none;opacity:1}}

/* meta strip */
.metastrip{display:flex;gap:34px;flex-wrap:wrap;margin-top:44px;padding-top:26px;border-top:1px solid var(--mist)}
.metastrip div{font-family:var(--mono);font-size:12.5px;color:var(--muted);letter-spacing:.04em}
.metastrip b{display:block;font-family:var(--sans);font-size:1.5rem;color:var(--deep);letter-spacing:-.02em;margin-bottom:2px}

/* ---------- interior page header ---------- */
.page-hero{padding:64px 0 8px}
.page-hero h1{font-size:clamp(2rem,4.5vw,3rem);margin:12px 0 14px}
.page-hero p{color:var(--muted);font-size:1.2rem;max-width:52ch}

.jumpnav{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.jumpnav a{display:inline-flex;align-items:center;gap:8px;font-family:var(--sans);font-weight:600;font-size:14.5px;color:var(--water);text-decoration:none;padding:11px 20px;border-radius:100px;border:1px solid var(--mist);background:var(--panel);transition:border-color .2s,color .2s,transform .15s}
.jumpnav a::after{content:"↓";color:var(--signal-deep);font-weight:400}
.jumpnav a:hover{border-color:var(--signal-deep);color:var(--deep);transform:translateY(-2px)}
.jumpnav a:focus-visible{outline:2px solid var(--signal-deep);outline-offset:3px}

/* ---------- sections ---------- */
section{padding:56px 0}
.sec-head{max-width:56ch;margin-bottom:44px}
h2{font-family:var(--sans);font-weight:600;font-size:clamp(1.7rem,3.5vw,2.4rem);letter-spacing:-.02em;line-height:1.12;margin:12px 0 16px}
.sec-head p{color:var(--muted);font-size:1.15rem}

/* about band */
.about{background:var(--deep);color:var(--surface);border-radius:20px;padding:56px 44px}
@media(max-width:600px){.about{padding:40px 26px}}
.about .eyebrow{color:var(--signal)}
.about h2{color:#fff}
.about-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:start}
@media(max-width:800px){.about-grid{grid-template-columns:1fr;gap:34px}}
.about p.body{color:#C6D7D3;font-size:1.18rem;margin-bottom:18px}
.about .callout{font-family:var(--serif);font-style:italic;font-size:1.5rem;line-height:1.4;color:#fff;border-left:2px solid var(--signal);padding-left:22px}
.about .callout span{color:var(--signal);font-style:normal;font-family:var(--mono);font-size:.7em;display:block;letter-spacing:.1em;margin-top:12px;text-transform:uppercase}
.about .team-photo{border-radius:14px;overflow:hidden;aspect-ratio:4/3}
.about .team-photo img{width:100%;height:100%;object-fit:cover;display:block}
.about .team-photo.placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;border:1.5px dashed rgba(255,255,255,.3);background:rgba(255,255,255,.04);color:#C6D7D3;text-align:center;padding:24px}
.about .team-photo.placeholder svg{width:34px;height:34px;opacity:.6}
.about .team-photo.placeholder span{font-family:var(--mono);font-size:12.5px;letter-spacing:.04em}

/* research cards */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
@media(max-width:720px){.cards{grid-template-columns:1fr}}
.card{background:var(--panel);border:1px solid var(--mist);border-radius:16px;padding:28px 26px;transition:border-color .2s,transform .2s}
.card:hover{border-color:var(--signal-deep);transform:translateY(-3px)}
.card .num{font-family:var(--mono);font-size:12px;color:var(--signal-deep);letter-spacing:.1em}
.card h3{font-family:var(--sans);font-weight:600;font-size:1.28rem;letter-spacing:-.01em;margin:14px 0 10px}
.card:first-child h3,.card h3:first-child{margin-top:0}
.card p{color:var(--muted);font-size:1.02rem}
.card .tags{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0 4px}
.card .tag{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--water-2);background:rgba(30,107,101,.08);border:1px solid var(--mist);border-radius:100px;padding:4px 10px}
.card .card-link{display:inline-block;margin-top:12px;font-family:var(--sans);font-weight:600;font-size:14px;color:var(--signal-deep);text-decoration:none}
.card .card-link:hover{color:var(--deep)}

/* publications */
.pub-list{display:grid;grid-template-columns:78px 1fr auto;column-gap:24px;align-items:baseline}
.pub{display:contents}
.pub .yr,.pub .t,.pub .venue{padding:22px 0;border-top:1px solid var(--mist)}
.pub:last-child .yr,.pub:last-child .t,.pub:last-child .venue{border-bottom:1px solid var(--mist)}
.pub .yr{font-family:var(--mono);font-size:13px;color:var(--signal-deep)}
.pub .t{font-family:var(--serif);font-size:1.22rem;line-height:1.35;color:var(--deep)}
.pub .t em{color:var(--muted);font-style:normal;font-size:.92rem;display:block;font-family:var(--sans);margin-top:6px}
.pub .venue{font-family:var(--mono);font-size:12px;color:var(--muted);text-align:right;white-space:nowrap}
@media(max-width:680px){
  .pub-list{grid-template-columns:1fr}
  .pub{display:block;border-top:1px solid var(--mist);padding:16px 0}
  .pub:last-child{border-bottom:1px solid var(--mist)}
  .pub .yr,.pub .t,.pub .venue{padding:0;border-top:none}
  .pub .venue{text-align:left;margin-top:6px}
}

/* team */
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media(max-width:820px){.team-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:460px){.team-grid{grid-template-columns:1fr}}
.avatar{position:relative;overflow:hidden;width:100%;aspect-ratio:1;border-radius:14px;margin-bottom:14px;background:linear-gradient(150deg,var(--water),var(--deep));display:flex;align-items:flex-end;padding:14px;color:rgba(255,255,255,.85);font-family:var(--mono);font-size:11px;letter-spacing:.12em}
.avatar img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.avatar span{position:relative;z-index:2}
.avatar::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(12,43,41,.78),rgba(12,43,41,0) 60%);z-index:1}
a.person{display:block;text-decoration:none;color:inherit;border-radius:14px;transition:transform .15s}
a.person:hover{transform:translateY(-3px)}
a.person:hover .avatar{box-shadow:0 0 0 2px var(--signal-deep)}
a.person:hover h4{color:var(--signal-deep)}
a.person:focus-visible{outline:2px solid var(--signal-deep);outline-offset:4px}
.person h4{font-family:var(--sans);font-weight:600;font-size:1.08rem;margin-bottom:2px;transition:color .2s}
.person span{color:var(--muted);font-size:.95rem}
.person .viewcv{display:block;margin-top:8px;font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--signal-deep)}

/* bio detail */
.bio-list{display:flex;flex-direction:column}
.bio{display:grid;grid-template-columns:64px 1fr;gap:22px;padding:32px 0;border-top:1px solid var(--mist);scroll-margin-top:96px}
.bio:last-child{border-bottom:1px solid var(--mist)}
.avatar-sm{width:56px;height:56px;flex-shrink:0;border-radius:12px;overflow:hidden;background:linear-gradient(150deg,var(--water),var(--deep));display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.85);font-family:var(--mono);font-size:9.5px;letter-spacing:.08em;text-align:center}
.avatar-sm img{width:100%;height:100%;object-fit:cover;display:block}
.bio h3{font-family:var(--sans);font-weight:600;font-size:1.18rem;margin-bottom:3px}
.bio .role{color:var(--muted);font-size:.92rem;font-family:var(--sans)}
.bio p{color:var(--water);font-size:1.05rem;margin-top:12px}
@media(max-width:680px){.bio{grid-template-columns:1fr;gap:14px}}

/* full contact block */
.contact-block{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:40px;background:var(--panel);border:1px solid var(--mist);border-radius:20px;padding:44px}
@media(max-width:720px){.contact-block{grid-template-columns:1fr;gap:26px;padding:30px}}
.contact-block h3{font-family:var(--sans);font-weight:600;font-size:1.6rem;letter-spacing:-.02em;max-width:16ch}
.c-col h5{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--water-2);margin-bottom:16px}
.c-col a{color:var(--water);text-decoration:none;display:block;margin-bottom:9px;font-family:var(--sans);font-size:15px;transition:color .2s}
.c-col a:hover{color:var(--signal-deep)}
.c-col .c-role{display:block;color:var(--muted);font-family:var(--sans);font-size:13px;margin-top:-2px}

/* project detail page */
.back-link{display:inline-flex;align-items:center;gap:8px;font-family:var(--sans);font-weight:600;font-size:14px;color:var(--water-2);text-decoration:none;margin-bottom:18px}
.back-link:hover{color:var(--signal-deep)}
.back-link:focus-visible{outline:2px solid var(--signal-deep);outline-offset:3px}
.project-media{width:100%;aspect-ratio:16/9;border-radius:20px;background:linear-gradient(150deg,var(--water),var(--deep));display:flex;align-items:center;justify-content:center;text-align:center;padding:20px;margin-top:8px;overflow:hidden}
.project-media span{color:rgba(255,255,255,.7);font-family:var(--mono);font-size:12.5px;letter-spacing:.08em}
.project-media img{width:100%;height:100%;object-fit:cover;border-radius:20px}
.project-copy{max-width:68ch;margin-top:8px}
.project-copy p{color:var(--water);font-size:1.12rem;margin-bottom:20px}

.media-caption{font-family:var(--mono);font-size:12px;color:var(--muted);letter-spacing:.02em;margin-top:10px}

/* project pull-quote */
.project-callout{font-family:var(--serif);font-style:italic;font-size:1.32rem;line-height:1.48;color:var(--deep);border-left:2px solid var(--signal-deep);padding:2px 0 2px 24px;margin:8px 0 28px;max-width:58ch}

/* project prev/next nav */
.project-pagenav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:44px;padding-top:36px;border-top:1px solid var(--mist);max-width:68ch}
.project-pagenav a{display:block;padding:20px 22px;border:1px solid var(--mist);border-radius:14px;text-decoration:none;color:inherit;transition:border-color .2s,transform .15s}
.project-pagenav a:hover{border-color:var(--signal-deep);transform:translateY(-2px)}
.project-pagenav a:focus-visible{outline:2px solid var(--signal-deep);outline-offset:3px}
.project-pagenav .pn-label{display:block;font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--water-2);margin-bottom:8px}
.project-pagenav .pn-title{font-family:var(--sans);font-weight:600;font-size:1.02rem;color:var(--deep);line-height:1.35}
.project-pagenav .next{text-align:right}
@media(max-width:600px){.project-pagenav{grid-template-columns:1fr}.project-pagenav .next{text-align:left}}

/* slim footer */
.slim-foot{border-top:1px solid var(--mist);margin-top:20px}
.slim-foot .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding-top:26px;padding-bottom:34px;font-family:var(--mono);font-size:12px;color:var(--muted)}
.slim-foot a{color:var(--water-2);text-decoration:none}