:root{
  --ink:#0B0C0E;
  --ink-2:#121418;
  --ink-3:#1A1D24;
  --paper:#F4F2EC;
  --paper-2:#EAE7DE;
  --line:rgba(244,242,236,.12);
  --line-dark:rgba(11,12,14,.14);
  --text-dim:#9BA1AB;
  --text-dim-dark:#5B6069;
  --accent:#5BE3C8;
  --accent-soft:rgba(91,227,200,.12);
  --serif:"Fraunces",Georgia,serif;
  --sans:"Inter",system-ui,sans-serif;
  --mono:"IBM Plex Mono",monospace;
  --max:1240px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--ink);color:#EDEEEB;font-family:var(--sans);-webkit-font-smoothing:antialiased;line-height:1.6}
::selection{background:var(--accent);color:var(--ink)}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 32px}
.label{font-family:var(--mono);font-size:11px;letter-spacing:.28em;text-transform:uppercase;color:var(--accent)}
.label.dark{color:#0E8F78}
.section{padding:120px 0}
.section.light{background:var(--paper);color:var(--ink)}
.section.light .label{color:#0E8F78}
h1,h2,h3{font-weight:500;line-height:1.08;letter-spacing:-.02em}
.h-xl{font-size:clamp(42px,6vw,84px)}
.h-lg{font-size:clamp(32px,4vw,56px)}
.h-md{font-size:clamp(22px,2.4vw,32px)}
.lede{font-size:clamp(16px,1.4vw,19px);color:var(--text-dim);max-width:620px}
.light .lede{color:var(--text-dim-dark)}
.divider{height:1px;background:var(--line)}
.light .divider{background:var(--line-dark)}

/* NAV */
header{position:fixed;inset:0 0 auto 0;z-index:50;backdrop-filter:blur(14px);background:rgba(11,12,14,.72);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px;max-width:var(--max);margin:0 auto;padding:0 32px}
.brand{font-family:var(--mono);font-size:18px;letter-spacing:.06em}
.brand span{color:var(--accent)}
.nav-links{display:flex;gap:28px;font-size:14px;color:#C9CCC7}
.nav-links a:hover{color:var(--accent)}
.nav-cta{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;border:1px solid var(--line);padding:9px 16px;border-radius:999px;transition:.3s}
.nav-cta:hover{border-color:var(--accent);color:var(--accent)}
.burger{display:none;background:none;border:0;color:#EDEEEB;font-size:22px;cursor:pointer}

/* HERO */
.hero{min-height:100vh;display:flex;align-items:center;position:relative;overflow:hidden;padding-top:68px}
#heroCanvas{position:absolute;inset:0;width:100%;height:100%}
.hero-inner{position:relative;z-index:2;max-width:var(--max);margin:0 auto;padding:80px 32px;width:100%}
.hero h1{font-size:clamp(44px,6.4vw,88px);max-width:12ch}
.hero p{margin:28px 0 40px;max-width:560px;color:var(--text-dim);font-size:clamp(16px,1.4vw,19px)}
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;padding:15px 26px;border-radius:999px;border:1px solid var(--accent);background:var(--accent);color:var(--ink);transition:.3s}
.btn:hover{background:transparent;color:var(--accent)}
.btn.ghost{background:transparent;color:#EDEEEB;border-color:var(--line)}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-row{display:flex;gap:14px;flex-wrap:wrap}
.hero-meta{position:absolute;bottom:28px;left:0;right:0;z-index:2}
.hero-meta .wrap{display:flex;justify-content:space-between;font-family:var(--mono);font-size:10px;letter-spacing:.24em;text-transform:uppercase;color:var(--text-dim)}

/* STATEMENT STRIP */
.strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:64px 0}
.strip p{font-size:clamp(22px,2.6vw,36px);font-weight:400;letter-spacing:-.01em;max-width:900px}
.strip em{font-style:normal;color:var(--accent)}

/* THREE MODES */
.modes{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:56px}
.mode{background:var(--ink);padding:44px 36px;transition:background .4s}
.mode:hover{background:var(--ink-2)}
.mode .num{font-family:var(--mono);font-size:11px;color:var(--accent);letter-spacing:.2em}
.mode h3{font-size:24px;margin:20px 0 6px}
.mode .sub{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--text-dim)}
.mode p{color:var(--text-dim);font-size:15px;margin:16px 0 28px}
.mode a{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.mode a:hover{text-decoration:underline}

/* PATHWAY */
.pathway{margin-top:56px;padding:28px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;flex-wrap:wrap;gap:18px;align-items:center;font-family:var(--mono);font-size:13px;letter-spacing:.22em;text-transform:uppercase}
.pathway span{color:#EDEEEB}
.pathway i{font-style:normal;color:var(--accent)}

/* MODES ON LIGHT */
.modes.on-light{background:var(--line-dark);border-color:var(--line-dark)}
.modes.on-light .mode{background:var(--paper)}
.modes.on-light .mode:hover{background:var(--paper-2)}
.modes.on-light .mode .num{color:#0E8F78}
.modes.on-light .mode p{color:var(--text-dim-dark)}
.dark-btn{color:var(--ink);border-color:var(--line-dark)}
.dark-btn:hover{border-color:#0E8F78;color:#0E8F78}

/* RESEARCH */
.research-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:56px 64px;margin-top:64px}
.research-item h3{font-size:22px;margin-bottom:16px;padding-bottom:14px;border-bottom:1px solid var(--line-dark)}
.research-item ul{list-style:none}
.research-item li{font-size:14px;color:var(--text-dim-dark);padding:7px 0;border-bottom:1px dashed rgba(11,12,14,.1);display:flex;align-items:center;gap:10px}
.research-item li::before{content:"";width:5px;height:5px;background:#0E8F78;border-radius:50%;flex:none}

/* FEATURED */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:56px}
.cards.posters{grid-template-columns:repeat(2,1fr);gap:40px}
.card{border:1px solid var(--line);border-radius:4px;overflow:hidden;background:var(--ink-2);display:flex;flex-direction:column;transition:transform .4s,border-color .4s}
.card:hover{transform:translateY(-6px);border-color:rgba(91,227,200,.4)}
.card .visual{aspect-ratio:16/10;background:var(--ink-3)}
.cards.posters .card .visual{aspect-ratio:3/5}
.card .visual svg{width:100%;height:100%}
.card .visual img{width:100%;height:100%;object-fit:cover;display:block}
.card .body{padding:26px}
.card .tag{font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--accent)}
.card h3{font-size:19px;margin:12px 0 10px}
.card p{font-size:14px;color:var(--text-dim)}
.card .foot{margin-top:18px;font-family:var(--mono);font-size:11px;color:var(--text-dim);display:flex;justify-content:space-between}
.note{margin-top:28px;font-family:var(--mono);font-size:11px;color:var(--text-dim);letter-spacing:.08em}

/* TECH DIAGRAM */
.tech-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:80px;align-items:center;margin-top:24px}
.cap-list{margin-top:36px;display:grid;gap:0}
.cap{padding:20px 0;border-bottom:1px solid var(--line-dark)}
.cap h4{font-size:16px;margin-bottom:6px}
.cap p{font-size:13px;color:var(--text-dim-dark)}
.diagram{border:1px solid var(--line-dark);background:#fff;border-radius:6px;padding:24px}

/* CONSULTING STEPS */
.steps{counter-reset:step;margin-top:64px;display:grid;gap:0}
.step{display:grid;grid-template-columns:80px 1fr 2fr;gap:24px;padding:26px 0;border-bottom:1px solid var(--line);align-items:baseline}
.step .n{font-family:var(--mono);color:var(--accent);font-size:13px}
.step h3{font-size:20px}
.step p{color:var(--text-dim);font-size:15px}

/* QUANTUM */
.quantum-bg{background:radial-gradient(1200px 500px at 70% 0%,rgba(91,227,200,.08),transparent 60%),var(--ink)}
.q-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.q-themes{margin-top:36px;display:grid;grid-template-columns:1fr 1fr;gap:8px 32px}
.q-themes span{font-size:14px;color:var(--text-dim);padding:8px 0;border-bottom:1px dashed var(--line)}
.bloch{width:100%;max-width:460px;margin:0 auto}
.spin{transform-origin:center;animation:spin 24s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* PRODUCTS / INSIGHTS empty */
.empty{border:1px dashed var(--line-dark);border-radius:6px;padding:56px 40px;text-align:center;margin-top:56px}
.dark-empty{border-color:var(--line)}
.empty h3{font-size:20px;margin-bottom:10px}
.empty p{color:var(--text-dim-dark);font-size:14px}
.dark .empty p{color:var(--text-dim)}

/* CAREERS */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.chip{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;border:1px solid var(--line-dark);border-radius:999px;padding:8px 16px}

/* CONTACT */
form{margin-top:56px;display:grid;grid-template-columns:1fr 1fr;gap:20px}
form label{font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--text-dim);display:block;margin-bottom:8px}
input,select,textarea{width:100%;background:var(--ink-2);border:1px solid var(--line);border-radius:4px;color:#EDEEEB;padding:13px 14px;font-family:var(--sans);font-size:14px}
textarea{grid-column:1/-1;min-height:140px;resize:vertical}
.full{grid-column:1/-1}

footer{border-top:1px solid var(--line);padding:64px 0 40px;margin-top:0}
.f-grid{display:grid;grid-template-columns:2fr 1fr;gap:40px}
.f-grid h5{font-family:var(--mono);font-size:10px;letter-spacing:.24em;text-transform:uppercase;color:var(--text-dim);margin-bottom:16px}
.f-grid a{display:block;font-size:14px;color:#C9CCC7;padding:4px 0}
.f-grid a:hover{color:var(--accent)}
.f-bottom{margin-top:56px;display:flex;justify-content:space-between;font-family:var(--mono);font-size:11px;color:var(--text-dim)}

/* reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}

@media(max-width:960px){
  .modes,.cards,.cards.posters,.research-grid,.tech-grid,.q-grid,.f-grid{grid-template-columns:1fr}
  .nav-links{display:none}
  .burger{display:block}
  .nav-links.open{display:flex;position:absolute;top:68px;left:0;right:0;flex-direction:column;background:var(--ink);padding:24px 32px;gap:20px;border-bottom:1px solid var(--line)}
  form{grid-template-columns:1fr}
  .step{grid-template-columns:48px 1fr}
  .step p{grid-column:2}
}