:root{
  --paper:#FFFFFF;--wash:#F4F7FF;--ink:#0B1B3F;--ink2:#46547A;--line:#DCE3F2;
  --cobalt:#2B50FF;--cobalt-d:#1B38C9;--sun:#FFD84D;--teal:#0FB5A6;
  --tint-blue:#E3EAFF;--tint-sun:#FFF1BD;--tint-teal:#D4F4EF;--tint-ink:#E6EAF5;
  --display:'Fraunces',Georgia,'Times New Roman',serif;
  --body:'Bricolage Grotesque',system-ui,-apple-system,'Segoe UI',sans-serif;
  --wrap:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--cobalt);text-underline-offset:3px}
a:hover{color:var(--cobalt-d)}
:focus-visible{outline:3px solid var(--cobalt);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;border-radius:8px;z-index:50}
.skip:focus{left:8px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}
h1,h2,h3{font-family:var(--display);font-optical-sizing:auto;font-weight:500;letter-spacing:-0.02em;line-height:1.08;margin:0}

/* header */
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{white-space:nowrap;font-family:var(--display);font-size:22px;font-weight:600;color:var(--ink);text-decoration:none;letter-spacing:-0.02em}
.brand:hover{color:var(--ink)}
.nav{display:flex;align-items:center;gap:6px}
.nav a{color:var(--ink);text-decoration:none;padding:8px 14px;border-radius:999px;font-size:15px;font-weight:500}
.nav a:hover{background:var(--wash);color:var(--ink)}
.nav a[aria-current="page"]{background:var(--tint-blue)}
.nav .pill{border:1.5px solid var(--ink);margin-left:6px}
.nav .pill:hover{background:var(--ink);color:#fff}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font:500 16px var(--body);padding:13px 22px;border-radius:999px;text-decoration:none;border:1.5px solid transparent;cursor:pointer}
.btn-primary{background:var(--cobalt);color:#fff}
.btn-primary:hover{background:var(--cobalt-d);color:#fff}
.btn-ghost{border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}

/* hero */
.hero{padding:72px 0 88px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(2.6rem,5.6vw,4.8rem);font-weight:500;line-height:1.02;letter-spacing:-0.03em}
.lede{font-size:clamp(1.05rem,1.6vw,1.25rem);color:var(--ink2);max-width:520px;margin:26px 0 0}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.now{margin:28px 0 0;font-size:15px;color:var(--ink2);display:flex;align-items:center;gap:10px}
.now::before{content:"";width:10px;height:10px;border-radius:50%;background:var(--teal);flex:none}
.grid-bg{border-radius:28px;padding:34px;background-color:var(--wash);background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:28px 28px}
.ask{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:0 12px 32px rgba(11,27,63,.08)}
.ask-in{display:flex;align-items:center;gap:10px;border:1.5px solid var(--cobalt);border-radius:12px;padding:12px 14px;min-height:50px;font-size:16px}
.ask-in .sp{width:18px;height:18px;border-radius:5px;background:var(--sun);flex:none}
.ask-in .caret{display:inline-block;width:2px;height:1.1em;background:var(--cobalt);margin-left:1px;vertical-align:-3px;animation:blink 1s steps(1) infinite}
.ask-out{min-height:150px;padding:16px 6px 4px;opacity:0;transform:translateY(6px);transition:opacity .35s,transform .35s}
.ask-out.in{opacity:1;transform:none}
.res-title{font-family:var(--display);font-size:20px;margin-bottom:10px}
.res-line{display:flex;align-items:center;gap:10px;font-size:15px;color:var(--ink2);padding:6px 0}
.res-line i{width:18px;height:18px;border-radius:50%;background:var(--teal);flex:none;position:relative}
.res-line i::after{content:"";position:absolute;left:6px;top:3px;width:4px;height:8px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}
.demo-note{font-size:13px;color:var(--ink2);margin:14px 4px 0}
@keyframes blink{50%{opacity:0}}

/* sections */
.section{padding:88px 0}
.section.wash{background:var(--wash)}
.sec-head{max-width:640px;margin-bottom:44px}
.sec-head h2{font-size:clamp(2rem,3.6vw,3rem)}
.sec-head p{color:var(--ink2);margin:14px 0 0;font-size:18px}

/* work tiles */
.work-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:56px 36px}
.tile{display:block;color:inherit;text-decoration:none}
.tile:hover{color:inherit}
.tile .cover{transition:transform .25s}
.tile:hover .cover{transform:translateY(-4px)}
.tile h3{font-size:28px;margin:20px 0 8px}
.tile p{margin:0;color:var(--ink2)}
.tile:hover h3{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:5px}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{font-size:13.5px;font-weight:500;padding:4px 12px;border-radius:999px;background:var(--tint-ink);color:var(--ink)}
.tag.status{background:var(--sun)}

/* cover art */
.cover{position:relative;aspect-ratio:4/3;border-radius:22px;overflow:hidden;display:grid;place-items:center;background:var(--tint-blue)}
.cover.k-video{background:var(--tint-sun)}
.cover.k-agent{background:var(--tint-teal)}
.cover.k-health{background:var(--tint-ink)}
.cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.art{width:68%}
.l{display:block;height:8px;border-radius:4px;background:var(--line);margin:9px 0}
.l.w40{width:40%}.l.w50{width:50%}.l.w60{width:60%}.l.w70{width:70%}.l.w80{width:80%}
.art-doc .pg{background:#fff;border-radius:10px;padding:18px 20px;box-shadow:0 10px 26px rgba(11,27,63,.12)}
.art-doc .hl{background:var(--sun);border-radius:8px;padding:10px 12px;margin:12px 0}
.art-doc .hl b{font-size:12px;display:block;margin-bottom:2px}
.art-doc .hl .l{background:rgba(11,27,63,.25)}
.art-video .win{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 10px 26px rgba(11,27,63,.14)}
.art-video .tb{display:flex;gap:6px;padding:10px 12px;border-bottom:1px solid var(--line)}
.art-video .tb i{width:9px;height:9px;border-radius:50%;background:var(--line)}
.art-video .scr{height:120px;position:relative;background:var(--wash)}
.art-video .rec{position:absolute;left:14px;bottom:14px;display:flex;align-items:center;gap:8px;background:#fff;border-radius:999px;padding:6px 12px;font-size:12px;font-weight:500;box-shadow:0 2px 8px rgba(11,27,63,.12)}
.art-video .rec::before{content:"";width:10px;height:10px;border-radius:50%;background:#E5384F}
.art-video .scr .l{margin:18px 16px 0;background:var(--line)}
.art-agent{display:grid;gap:10px}
.art-agent .step{background:#fff;border-radius:12px;padding:11px 14px;font-size:14px;font-weight:500;display:flex;align-items:center;gap:10px;box-shadow:0 6px 16px rgba(11,27,63,.1)}
.art-agent .step::before{content:"";width:16px;height:16px;border-radius:50%;background:var(--teal);flex:none}
.art-agent .step.run::before{background:transparent;border:2.5px solid var(--cobalt);border-top-color:transparent}
.art-agent .step:nth-child(2){margin-left:22px}.art-agent .step:nth-child(3){margin-left:44px}
.art-health svg{width:100%;height:auto;display:block}

/* strengths */
.pillar{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:40px;padding:40px 0;border-top:1.5px solid var(--ink)}
.pillar:last-child{border-bottom:1.5px solid var(--ink)}
.pillar h3{font-size:clamp(1.7rem,3vw,2.4rem)}
.pillar p{margin:0 0 18px;color:var(--ink2);font-size:18px}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{display:inline-block;padding:8px 16px;border-radius:999px;border:1.5px solid var(--ink);color:var(--ink);text-decoration:none;font-size:15px;font-weight:500;background:#fff}
.chip:hover{background:var(--sun);color:var(--ink)}

/* lab */
.lab-list{border-top:1.5px solid var(--ink)}
.lab-row{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.4fr) 170px;gap:24px;align-items:baseline;padding:22px 0;border-bottom:1px solid var(--line);color:inherit;text-decoration:none}
a.lab-row:hover{background:var(--wash);color:inherit}
.lab-row h3{font-size:24px}
.lab-row p{margin:0;color:var(--ink2)}
.lab-row .tag{justify-self:start;align-self:center;white-space:nowrap;text-align:center;line-height:1.2;padding:7px 16px}

/* footer */
.site-footer{background:var(--ink);color:#fff;padding:84px 0 40px}
.site-footer h2{font-size:clamp(2.2rem,5vw,4rem);max-width:760px}
.foot-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.site-footer .btn-primary{background:var(--sun);color:var(--ink)}
.site-footer .btn-primary:hover{background:#fff;color:var(--ink)}
.site-footer .btn-ghost{border-color:#fff;color:#fff}
.site-footer .btn-ghost:hover{background:#fff;color:var(--ink)}
.fine{margin-top:64px;font-size:14px;color:#AEB9D6}

/* case study */
.cs-head{padding:48px 0 36px}
.back{display:inline-block;margin-bottom:28px;color:var(--ink);font-weight:500;text-decoration:none}
.back:hover{text-decoration:underline}
.cs-head h1{font-size:clamp(2.4rem,5.4vw,4.4rem);max-width:900px}
.cs-sum{font-size:clamp(1.1rem,2vw,1.4rem);color:var(--ink2);max-width:720px;margin:20px 0 0}
.meta{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:20px 28px;margin:40px 0 0;padding:24px 0;border-top:1.5px solid var(--ink);border-bottom:1px solid var(--line)}
.meta dt{font-size:14px;color:var(--ink2)}
.meta dd{margin:2px 0 0;font-weight:500}
.cs-cover .cover{aspect-ratio:16/8}
.cs-cover .art{width:42%}
.draft{background:var(--tint-sun);border-radius:14px;padding:14px 18px;margin:40px 0 0;font-size:15px}
.cs-body{display:grid;grid-template-columns:200px minmax(0,700px);gap:64px;padding:64px 0 96px}
.toc{position:sticky;top:96px;align-self:start;font-size:15px}
.toc button{display:block;width:100%;text-align:left;background:none;border:0;border-left:2px solid var(--line);font:inherit;color:var(--ink2);padding:6px 0 6px 14px;cursor:pointer}
.toc button:hover{color:var(--ink);border-left-color:var(--cobalt)}
.cs-sec{margin:0 0 56px;scroll-margin-top:96px}
.cs-sec h2{font-size:clamp(1.7rem,3vw,2.3rem);margin-bottom:16px}
.cs-sec p{margin:0 0 16px}
.cs-sec ul{padding-left:22px;margin:0}
.cs-sec li{margin:8px 0}
.metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:16px}
.metric{background:var(--wash);border-radius:16px;padding:20px}
.metric b{display:block;font-family:var(--display);font-size:34px;font-weight:500;letter-spacing:-0.02em}
.metric span{color:var(--ink2);font-size:15px}
figure{margin:0}
.shot{border-radius:18px;overflow:hidden;background:var(--tint-ink);aspect-ratio:16/10;display:grid;place-items:center;color:var(--ink2);font-size:15px;text-align:center;padding:20px}
.shot img{width:100%;height:100%;object-fit:cover}
figcaption{font-size:14px;color:var(--ink2);margin-top:10px}
blockquote{margin:0;font-family:var(--display);font-size:28px;line-height:1.25;border-left:4px solid var(--sun);padding-left:22px}
blockquote cite{display:block;margin-top:12px;font:500 15px var(--body);color:var(--ink2)}
.next{border-top:1.5px solid var(--ink);padding:40px 0 0}
.next a{font-family:var(--display);font-size:32px;color:var(--ink);text-decoration:none}
.next a:hover{text-decoration:underline}

/* about */
.about-hero{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start;padding:64px 28px 40px}
.about-hero h1{font-size:clamp(2.4rem,5vw,4rem);margin-bottom:24px}
.about-hero p{font-size:19px;color:var(--ink2);max-width:640px;margin:0 0 18px}
.portrait{aspect-ratio:4/5;border-radius:28px;background:var(--sun);display:grid;place-items:center;font-family:var(--display);font-size:120px;overflow:hidden}
.portrait img{width:100%;height:100%;object-fit:cover}
.how{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:32px}
.how h3{font-size:24px;margin-bottom:8px}
.how p{margin:0;color:var(--ink2)}
.xp{border-top:1.5px solid var(--ink)}
.xp-row{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.4fr);gap:24px;padding:22px 0;border-bottom:1px solid var(--line)}
.xp-row h3{font-size:22px}
.xp-row span{color:var(--ink2);font-size:15px}
.xp-row p{margin:0;color:var(--ink2)}

.reveal-hero{animation:rise .7s .05s both}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

@media (max-width:860px){
  .hero-grid,.about-hero,.pillar,.cs-body{grid-template-columns:1fr}
  .cs-body{gap:28px}.toc{display:none}
  .work-grid{grid-template-columns:1fr}
  .lab-row,.xp-row{grid-template-columns:1fr;gap:6px}
  .lab-row .tag{justify-self:start;margin-top:6px}
  .portrait{max-width:240px;aspect-ratio:1}
  .nav a:not(.pill){padding:8px 8px;font-size:14px}
  .brand{font-size:19px}
  .nav .hide-s{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .ask-out{opacity:1;transform:none}
}

/* publications */
.pub-intro{max-width:680px;color:var(--ink2);font-size:18px;margin:0 0 28px}
.pubs{list-style:none;margin:0;padding:0;display:grid;gap:0;max-width:820px}
.pub{display:grid;grid-template-columns:64px 1fr;gap:20px;padding:20px 0;border-top:1px solid var(--line)}
.pub:last-child{border-bottom:1px solid var(--line)}
.pub-year{font-family:'Fraunces',serif;font-size:22px;color:var(--cobalt);font-weight:600}
.pub h3{font-size:19px;margin:0 0 6px;line-height:1.3}
.pub h3 a{color:var(--ink);text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:4px}
.pub h3 a:hover{text-decoration-color:var(--cobalt);color:var(--cobalt)}
.pub p{margin:0;color:var(--ink2);font-size:16px}
.pub-venue em{font-style:normal;font-size:13px;background:#fff;border:1px solid var(--line);border-radius:99px;padding:2px 10px;margin-left:6px;white-space:nowrap}
.pub-thanks{max-width:820px;margin:24px 0 0;color:var(--ink2);font-size:15px}
.pub-thanks a{color:var(--cobalt)}
@media (max-width:640px){.pub{grid-template-columns:1fr;gap:4px}}

.embed iframe{display:block;width:100%;aspect-ratio:4/3;min-height:420px;border:1px solid var(--line,#e3e6ee);border-radius:14px;background:#f6f7fb}
@media(max-width:640px){.embed iframe{aspect-ratio:3/4;min-height:480px}}

.gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;align-items:start}
.g-item{margin:0}
.g-item img{display:block;width:100%;height:auto;border-radius:10px;border:1px solid var(--line);box-shadow:0 6px 18px rgba(11,27,63,.08);background:#fff}
.g-item span{display:block;margin-top:8px;font-size:.88rem;color:var(--ink2)}
@media(max-width:640px){.gallery{grid-template-columns:1fr;gap:20px}.g-item img{max-width:420px;margin:0 auto}.g-item span{text-align:center}}