:root{--bg:#06080f;--bg2:#0a0f1c;--panel:#0c1322;--line:rgba(148,163,184,.14);--line2:rgba(148,163,184,.28);
--text:#e9eef7;--muted:#a3adc2;--faint:#6b768f;--gold:#e9b959;--gold2:#f5d489;--teal:#5eead4;--r:18px;
--fd:"Space Grotesk",Inter,system-ui,sans-serif;--fb:Inter,system-ui,-apple-system,sans-serif}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--fb);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}a{color:inherit;text-decoration:none}
::selection{background:var(--gold);color:#141005}
.wrap{max-width:1180px;margin:0 auto;padding:0 28px}
h1,h2,h3{font-family:var(--fd);letter-spacing:-.01em;line-height:1.15}
h1{font-size:clamp(2.6rem,6vw,4.6rem);font-weight:700}
h2{font-size:clamp(1.8rem,3.4vw,2.6rem);font-weight:600;margin-bottom:.6rem}
h3{font-size:1.18rem;font-weight:600}
h2 em{font-style:normal;color:var(--gold)}
.gold{color:var(--gold)}.muted{color:var(--muted)}.faint{color:var(--faint)}.small{font-size:.9rem}
.eyebrow{font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--teal);margin-bottom:.8rem;font-weight:600}
.lead{font-size:1.2rem;color:var(--muted);max-width:640px;margin-top:1.2rem}
.btn{display:inline-flex;align-items:center;gap:.5rem;background:var(--btn,var(--gold));color:#141005;font-weight:600;padding:.8rem 1.4rem;border-radius:999px;transition:transform .2s,background .2s}
.btn:hover{background:var(--btnh,var(--gold2));transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--line2)}
.btn-ghost:hover{background:rgba(233,185,89,.08);border-color:var(--gold)}
.btn-small{padding:.45rem 1rem;font-size:.92rem}
.link{color:var(--gold);border-bottom:1px solid var(--gold)}
/* nav */
.nav{position:fixed;inset:0 0 auto 0;z-index:60;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);background:rgba(6,8,15,.7);border-bottom:1px solid var(--line)}
.nav-inner{max-width:1180px;margin:0 auto;padding:0 28px;height:70px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:12px}.brand .logo{width:44px;height:32px}
.logo .l1{stroke:#e9b959}.logo .l2{stroke:#5eead4;opacity:.9}.logo .l3{fill:#f5d489}
.brand span{font-family:var(--fd);font-weight:700;font-size:1.15rem}.brand em{font-style:normal;color:var(--gold);font-weight:500}
.links{display:flex;align-items:center;gap:2rem}
.links a{color:var(--muted);font-size:.95rem;position:relative;transition:color .2s}
.links a:hover,.links a.active{color:var(--text)}
.links a.active:not(.btn)::after{content:"";position:absolute;left:0;right:0;bottom:-8px;height:2px;background:var(--gold);border-radius:2px}
.links a.btn{color:#141005}
.burger{display:none;background:none;border:0;width:40px;height:40px;cursor:pointer}
.burger span{display:block;width:22px;height:2px;background:var(--text);margin:6px auto;transition:transform .25s}
/* hero */
.hero{position:relative;min-height:92vh;display:flex;align-items:center;padding-top:70px;overflow:hidden}
.mesh{position:absolute;inset:0;width:100%;height:100%;opacity:.95}
.mesh .rail{fill:none;stroke:rgba(148,163,184,.22);stroke-width:2}
.mesh .heater{fill:rgba(233,185,89,.35)}
.mesh .pulse{fill:none;stroke:var(--gold2);stroke-width:3;stroke-linecap:round;stroke-dasharray:28 1000;animation:flow 9s linear infinite}
@keyframes flow{from{stroke-dashoffset:1028}to{stroke-dashoffset:0}}
.hero-fade{position:absolute;inset:0;background:radial-gradient(ellipse 70% 80% at 25% 55%,rgba(6,8,15,.92) 30%,rgba(6,8,15,.55) 70%,rgba(6,8,15,.2))}
.hero-inner{position:relative;z-index:2}
.hero .cta{display:flex;gap:1rem;margin-top:2.2rem;flex-wrap:wrap}
/* stats */
.stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg2)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:2.2rem 1.4rem;border-left:1px solid var(--line)}.stat:first-child{border-left:0}
.stat .num{display:block;font-family:var(--fd);font-size:2.6rem;font-weight:700;color:var(--gold)}
.stat .num small{font-size:1.1rem;color:var(--gold2)}
.stat .lbl{color:var(--muted);font-size:.95rem}
/* sections */
.section{padding:110px 0}.section.tight{padding:40px 0 100px}
.band{background:linear-gradient(180deg,var(--bg2),var(--bg))}
.section-head{max-width:720px;margin-bottom:3rem}
.section-head.row{max-width:none;display:flex;justify-content:space-between;align-items:flex-end;gap:2rem}
.split{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}
.split > div > .btn{margin-top:1.8rem}
.photo-frame{border-radius:var(--r);overflow:hidden;border:1px solid var(--line);box-shadow:0 30px 80px rgba(0,0,0,.45)}
figure.photo-frame{margin:0}figure.photo-frame img{display:block;width:100%;height:auto}.rack-hero{margin:0 0 .4rem}.rack-cap{margin:.5rem 0 2.2rem;text-align:right}
.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.cards4{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:transform .25s,border-color .25s;display:block}
.card:hover{transform:translateY(-4px);border-color:var(--gold-dim,rgba(233,185,89,.4))}
.card-img{aspect-ratio:16/10;overflow:hidden;background:#000}.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.card:hover .card-img img{transform:scale(1.04)}
.card-body,.card.pad{padding:1.5rem}.card h3{margin-bottom:.4rem}
.more{display:inline-block;margin-top:.9rem;color:var(--gold);font-weight:500;font-size:.95rem}
.tile{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:1.6rem}
.tile h3{margin-bottom:.4rem}.tile .ico{display:block;font-size:1.6rem;color:var(--teal);margin-bottom:.8rem}
.ticks{list-style:none;margin:1.2rem 0}.ticks li{padding:.45rem 0 .45rem 1.8rem;position:relative;color:var(--muted);border-bottom:1px solid var(--line)}
.ticks li::before{content:"";position:absolute;left:0;top:1.05rem;width:10px;height:10px;border-radius:50%;background:var(--gold);box-shadow:0 0 12px var(--gold)}
.chips{display:flex;gap:.6rem;flex-wrap:wrap;margin:1rem 0 .4rem}
.chips span{border:1px solid var(--line2);border-radius:999px;padding:.3rem .9rem;font-size:.88rem}.chips .dim{color:var(--faint)}
.kpis{display:flex;gap:2.5rem;margin-top:1.6rem}.kpis .num{display:block;font-family:var(--fd);font-size:2.4rem;font-weight:700;color:var(--gold)}
.kpis .lbl{color:var(--muted);font-size:.9rem}
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem;margin-top:1.4rem;border-top:1px solid var(--line);padding-top:1.6rem}
.subnav{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:2rem}
.subnav a,.filter{border:1px solid var(--line2);border-radius:999px;padding:.45rem 1rem;font-size:.92rem;color:var(--muted);background:transparent;cursor:pointer;font-family:var(--fb);transition:all .2s}
.subnav a:hover,.filter:hover{color:var(--text);border-color:var(--gold)}
.filter.on{background:var(--btn,var(--gold));color:#141005;border-color:var(--btn,var(--gold))}
.filters{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:2rem}
/* page hero */
.page-hero{padding:170px 0 50px;background:radial-gradient(ellipse 60% 70% at 85% 0%,rgba(233,185,89,.10),transparent 60%)}
/* chart */
.chart-wrap{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:1.4rem}
.twin-chart{width:100%;height:auto}
.twin-chart .grid line{stroke:rgba(148,163,184,.1)}.twin-chart .ax line{stroke:rgba(148,163,184,.4)}
.twin-chart text{fill:var(--faint);font-size:13px;font-family:var(--fb)}.twin-chart .tick text{text-anchor:end}.twin-chart .tickx text{text-anchor:middle}
.twin-chart .axlab{text-anchor:middle;fill:var(--muted)}
.twin-chart .curve{fill:none;stroke:var(--gold);stroke-width:3;stroke-dasharray:1000;stroke-dashoffset:1000;transition:stroke-dashoffset 2.2s ease}
.twin-chart .pt{fill:var(--gold2);opacity:0;transition:opacity .4s 1.8s}
.twin-chart .callout text{fill:var(--gold2);font-size:15px;font-weight:600;opacity:0;transition:opacity .4s 2s}
.chart-wrap.in .curve{stroke-dashoffset:0}.chart-wrap.in .pt,.chart-wrap.in .callout text{opacity:1}
.chart-wrap figcaption{margin-top:.6rem}
/* papers & press */
.papers,.papers-3{display:grid;gap:1rem}.papers-3{grid-template-columns:repeat(3,1fr)}
.paper{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:1.4rem 1.6rem;transition:border-color .2s}
.paper:hover{border-color:rgba(233,185,89,.4)}
.paper h3{font-size:1.08rem;margin:.6rem 0 .4rem}.paper h3 a:hover{color:var(--gold)}
.paper-meta{display:flex;gap:.6rem;align-items:center;flex-wrap:wrap}
.venue{font-family:var(--fd);font-weight:600;color:var(--gold);font-size:.95rem}
.badge{font-size:.72rem;padding:.15rem .6rem;border-radius:999px;border:1px solid}
.badge.ok{color:var(--teal);border-color:rgba(94,234,212,.4)}.badge.rev{color:var(--faint);border-color:var(--line2)}.badge.pick{color:var(--gold);border-color:rgba(233,185,89,.55);font-weight:600}
.tag{font-size:.72rem;color:var(--faint)}
.authors{color:var(--faint);font-size:.88rem}
.year{font-size:1.4rem;color:var(--faint);margin:2.4rem 0 1rem}
.paper.hide{display:none}
.foundation{margin:3rem 0 1.4rem;padding:1.6rem;border-left:3px solid var(--gold);background:var(--panel);border-radius:0 var(--r) var(--r) 0}
.foundation h3 a:hover{color:var(--gold)}
.press{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:1.6rem;transition:transform .25s,border-color .25s}
.press:hover{transform:translateY(-4px);border-color:rgba(233,185,89,.4)}
.press-top{display:flex;justify-content:space-between;margin-bottom:.9rem}.outlet{font-family:var(--fd);font-weight:700;color:var(--teal)}
.date{color:var(--faint);font-size:.88rem}.press h3{margin-bottom:.5rem;flex:1}
/* team */
.people-mini{display:grid;gap:1rem;margin:1.6rem 0 .4rem}
.person{display:flex;gap:1.1rem;align-items:flex-start}
.avatar{flex:none;width:58px;height:58px;border-radius:50%;border:2px solid var(--gold);display:grid;place-items:center;font-family:var(--fd);font-weight:700;color:var(--gold);background:rgba(233,185,89,.08)}
.role{color:var(--gold);font-size:.92rem}
.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.team-grid .person{flex-direction:column;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:1.8rem}
.team-grid .avatar{width:84px;height:84px;font-size:1.4rem}.team-grid p.muted{margin-top:.9rem;font-size:.95rem}
.person-links{display:flex;flex-direction:column;gap:.2rem;margin-top:1rem}.person-links a{color:var(--gold);font-size:.92rem}
/* cta + footer */
.cta-band{padding:100px 0;border-top:1px solid var(--line);background:radial-gradient(ellipse 50% 90% at 50% 100%,rgba(233,185,89,.12),transparent 70%)}
.cta-inner{text-align:center}.cta-inner .btn{margin-top:1.6rem}
.footer{border-top:1px solid var(--line);padding:60px 0 30px;background:var(--bg2)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1.3fr;gap:3rem}
.footer h4{font-family:var(--fd);font-size:.85rem;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin-bottom:.8rem}
.footer a{display:block;color:var(--muted);margin:.25rem 0;font-size:.95rem}.footer a:hover{color:var(--gold)}
.footer .brand{display:flex;margin-bottom:1rem}.legal{margin-top:2.4rem;padding-top:1.4rem;border-top:1px solid var(--line)}
.shot .reveal{opacity:1!important;transform:none!important}.shot .hero{min-height:900px}.shot .chart-wrap .curve{stroke-dashoffset:0}.shot .chart-wrap .pt,.shot .chart-wrap .callout text{opacity:1}
/* reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}.mesh .pulse{animation:none;opacity:0}.twin-chart .curve{transition:none;stroke-dashoffset:0}}

/* ---------- light theme ---------- */
html.light{--bg:#ffffff;--bg2:#f5f7fa;--panel:#ffffff;--line:rgba(15,23,42,.10);--line2:rgba(15,23,42,.20);--text:#0b1220;--muted:#475569;--faint:#6b7280;
 --gold:#b07d22;--gold2:#c9922f;--teal:#0d8a7d;--btn:#e9b959;--btnh:#f2c76d}
html.light ::selection{background:#e9b959;color:#141005}
html.light .logo .l1{stroke:#d29d34}html.light .logo .l2{stroke:#14b8a6;opacity:1}html.light .logo .l3{fill:#e2ad45}
html.light .nav{background:rgba(255,255,255,.82)}
html.light .hero-fade{background:radial-gradient(ellipse 70% 80% at 25% 55%,rgba(255,255,255,.96) 30%,rgba(255,255,255,.6) 70%,rgba(255,255,255,.15))}
html.light .mesh .rail{stroke:rgba(15,23,42,.13)}html.light .mesh .heater{fill:rgba(176,125,34,.35)}html.light .mesh .pulse{stroke:#e2a73a}
html.light .stats,html.light .footer{background:var(--bg2)}
html.light .band{background:linear-gradient(180deg,var(--bg2),#fff)}
html.light .card,html.light .tile,html.light .paper,html.light .press,html.light .chart-wrap,html.light .foundation,html.light .team-grid .person{box-shadow:0 1px 2px rgba(15,23,42,.04),0 10px 30px rgba(15,23,42,.06)}
html.light .photo-frame{box-shadow:0 22px 50px rgba(15,23,42,.18)}
html.light .card-img{background:#0b1220}
html.light .ticks li::before{box-shadow:none}
html.light .avatar{background:rgba(233,185,89,.12)}
html.light .twin-chart .grid line{stroke:rgba(15,23,42,.08)}html.light .twin-chart .ax line{stroke:rgba(15,23,42,.35)}html.light .twin-chart .callout text{fill:var(--gold)}
html.light .page-hero{background:radial-gradient(ellipse 60% 70% at 85% 0%,rgba(233,185,89,.16),transparent 60%)}
html.light .cta-band{background:radial-gradient(ellipse 50% 90% at 50% 100%,rgba(233,185,89,.18),transparent 70%)}
@media (max-width:960px){html.light .links{background:rgba(255,255,255,.98)}}
/* responsive */
@media (max-width:960px){
 .split{grid-template-columns:1fr;gap:2.4rem}.split.rev > div:first-child{order:2}
 .cards3,.papers-3,.team-grid{grid-template-columns:1fr}.cards4,.services{grid-template-columns:1fr 1fr}
 .stat-grid{grid-template-columns:1fr 1fr}.stat:nth-child(3){border-left:0}.stat{border-top:1px solid var(--line)}
 .section-head.row{flex-direction:column;align-items:flex-start}.footer-grid{grid-template-columns:1fr}
 .burger{display:block}
 .links{position:fixed;top:70px;left:0;right:0;flex-direction:column;align-items:flex-start;gap:0;background:rgba(6,8,15,.97);border-bottom:1px solid var(--line);padding:.6rem 28px 1.4rem;transform:translateY(-130%);transition:transform .3s}
 .links a{padding:.8rem 0;width:100%;border-bottom:1px solid var(--line)}.links a.active:not(.btn)::after{display:none}.links a.btn{margin-top:1rem;width:auto;border:0}
 .nav.open .links{transform:none}.nav.open .burger span:first-child{transform:translateY(4px) rotate(45deg)}.nav.open .burger span:last-child{transform:translateY(-4px) rotate(-45deg)}
}
@media (max-width:560px){.wrap,.nav-inner{padding:0 16px}.cards4,.services{grid-template-columns:1fr}.section{padding:80px 0}.stat{padding:1.6rem 1rem}.stat .num{font-size:2rem}}