:root{
 --ink:#06111f;--ink2:#0a1d31;--panel:#0d2238;--paper:#f5f8fb;--white:#fbfdff;
 --ice:#78d2ff;--ice2:#b9e8ff;--ti:#aebbc6;--muted:#9db0bf;--line:rgba(184,208,224,.18);
 --serif:Georgia,"Times New Roman",serif;--sans:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--ink);color:var(--white);font-family:var(--sans);line-height:1.6}
a{color:inherit;text-decoration:none}p{margin:0 0 1rem}.wrap{width:min(1180px,calc(100% - 44px));margin:auto}
.nav{position:sticky;top:0;z-index:20;background:rgba(6,17,31,.88);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.nav .wrap{height:74px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px;font-weight:700}
.mark{width:39px;height:39px;border:1px solid var(--ti);border-radius:50%;display:grid;place-items:center;font-size:10px;letter-spacing:.12em}
nav{display:flex;gap:25px;align-items:center;font-size:14px;color:#c5d2dc}nav a:hover{color:var(--ice)}
.menu{display:none;background:none;border:0;color:white;font-size:24px}
.eyebrow{font-size:12px;letter-spacing:.19em;font-weight:800;color:var(--ice);text-transform:uppercase}
h1,h2,h3{font-family:var(--serif);font-weight:500;line-height:1.04;margin:.25em 0 .45em}h1{font-size:clamp(52px,7.4vw,104px);letter-spacing:-.045em}h2{font-size:clamp(38px,5vw,66px);letter-spacing:-.035em}h3{font-size:29px}
.lede{font-size:clamp(20px,2.2vw,28px);color:#dbe7ef}.sub{font-size:18px;color:var(--muted);max-width:64ch}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border:1px solid rgba(196,219,234,.35);border-radius:999px;font-size:14px;font-weight:700;margin-right:8px}
.btn.primary{background:var(--white);color:var(--ink);border-color:var(--white)}.btn:hover{transform:translateY(-1px)}
.hero{min-height:calc(100svh - 74px);display:grid;align-items:end;position:relative;overflow:hidden;background:#06111f}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,12,22,.95) 0%,rgba(3,12,22,.72) 42%,rgba(3,12,22,.2) 72%),linear-gradient(0deg,#06111f 0%,transparent 42%),url("assets/fcl-hero.png") center/cover no-repeat;opacity:.94}
.hero-copy{position:relative;z-index:2;padding:11vh 0 13vh;max-width:790px}.hero h1 em{color:var(--ice2);font-style:normal}
.actions{margin-top:30px}.powered{margin-top:25px;color:#a9bac7;font-size:14px}.powered b{color:white}
.section{padding:110px 0}.section-head{max-width:800px;margin-bottom:48px}.section-head p:last-child{color:var(--muted);font-size:18px}
.grid2,.grid3{display:grid;gap:20px}.grid2{grid-template-columns:repeat(2,1fr)}.grid3{grid-template-columns:repeat(3,1fr)}
.card{background:linear-gradient(145deg,rgba(17,43,68,.88),rgba(7,22,38,.88));border:1px solid var(--line);border-radius:22px;padding:32px;position:relative;overflow:hidden}
.card p{color:#adbdc9}.card a.more{display:inline-block;margin-top:18px;color:var(--ice);font-weight:700}.card .status{display:inline-block;font-size:10px;letter-spacing:.13em;font-weight:800;border:1px solid rgba(120,210,255,.35);padding:5px 9px;border-radius:999px;color:var(--ice2)}
.system-card{min-height:400px;display:flex;flex-direction:column;justify-content:flex-end}.system-card:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 10%,rgba(120,210,255,.16),transparent 34%);pointer-events:none}
.arch{background:var(--paper);color:#102131}.arch .wrap{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.arch p{color:#526777}.arch .eyebrow{color:#2778a4}
.layers{display:grid;gap:10px}.layers span{padding:18px 22px;border:1px solid #d4e0e7;background:white;border-radius:12px;font-weight:800;letter-spacing:.11em;font-size:12px;box-shadow:0 10px 30px rgba(10,30,50,.05)}
.pagehero{padding:120px 0 76px;background:radial-gradient(circle at 80% 20%,rgba(65,165,218,.2),transparent 34%),linear-gradient(140deg,#081a2c,#04101d)}
.pagehero h1{max-width:900px}.pagehero .sub{font-size:20px}.breadcrumb{color:#8198a9;font-size:13px;margin-bottom:35px}
.band{padding:80px 0;border-top:1px solid var(--line)}.band.light{background:var(--paper);color:#122333}.band.light p{color:#536978}.band.light .eyebrow{color:#2778a4}
.quote{font-family:var(--serif);font-size:clamp(28px,4vw,52px);line-height:1.15;max-width:900px}
.imageband{min-height:560px;background:center/cover no-repeat;position:relative;display:flex;align-items:end}.imageband:before{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(4,16,29,.96),rgba(4,16,29,.12))}
.imageband .wrap{position:relative;z-index:2;padding-bottom:60px}.imageband h2{max-width:720px}
.tree{display:grid;grid-template-columns:1fr 2fr;gap:22px}.root,.node{border:1px solid var(--line);border-radius:18px;padding:25px;background:rgba(255,255,255,.03)}.root{display:flex;align-items:center;justify-content:center;text-align:center;min-height:250px}.nodes{display:grid;grid-template-columns:1fr 1fr;gap:14px}.node b{display:block;font-family:var(--serif);font-size:22px;margin-bottom:7px}.node small{color:var(--ice);letter-spacing:.12em;font-weight:800}
.flow{display:flex;gap:8px;flex-wrap:wrap;margin:26px 0}.flow span{border:1px solid var(--line);border-radius:999px;padding:8px 12px;font-size:12px;color:#c8d5df}.flow i{color:var(--ice);font-style:normal;padding:8px 0}
.kicker{font-family:var(--serif);font-size:28px;color:#e6f2f8}.note{font-size:13px;color:#7f96a7}
.footer{border-top:1px solid var(--line);padding:46px 0 60px;color:#91a5b4}.footer .wrap{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}.footer a{display:block;margin:5px 0;color:#bdcad3}.footer strong{color:white}
.ahi-hero{min-height:calc(100svh - 74px);display:grid;align-items:center;position:relative;overflow:hidden}.ahi-hero:after{content:"";position:absolute;width:min(54vw,700px);aspect-ratio:1;border:1px solid rgba(174,187,198,.22);border-radius:50%;right:-7vw;top:10%;box-shadow:0 0 0 70px rgba(174,187,198,.05),0 0 0 140px rgba(120,210,255,.025)}
.ahi-hero .copy{position:relative;z-index:2;max-width:720px}.ahi-hero h1{font-size:clamp(62px,9vw,126px)}.chip{display:inline-flex;gap:9px;align-items:center;border:1px solid #8ca0ae;border-radius:999px;padding:8px 13px;font-size:11px;letter-spacing:.13em;font-weight:800}.chip:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--ice);box-shadow:0 0 12px var(--ice)}
.contact{padding:100px 0;text-align:center}.contact p{color:#a9bbc8}.contact h2{max-width:800px;margin-left:auto;margin-right:auto}
@media(max-width:800px){nav{display:none}.menu{display:block}.nav.open nav{display:flex;position:absolute;left:0;right:0;top:74px;background:#06111f;padding:20px 22px;flex-direction:column;align-items:flex-start}.grid2,.grid3,.arch .wrap,.tree,.footer .wrap{grid-template-columns:1fr}.nodes{grid-template-columns:1fr}.hero-copy{padding:9vh 0 10vh}.section{padding:78px 0}.pagehero{padding:82px 0 56px}.ahi-hero:after{right:-55vw;width:120vw;opacity:.45}.system-card{min-height:330px}}

/* V3 evidence + publication layer */
.topcrumb{padding-top:22px;padding-bottom:22px}.topcrumb a{color:#9eb2c1;font-size:13px}.topcrumb a:hover{color:var(--ice)}
.tierflow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:14px;align-items:center;margin:38px 0}.tierflow article{background:white;border:1px solid #d5e2ea;border-radius:18px;padding:26px;box-shadow:0 12px 30px rgba(10,30,50,.05)}.tierflow article span,.tierflow article small{display:block}.tierflow article span{font-size:10px;letter-spacing:.16em;font-weight:800;color:#2778a4}.tierflow article b{display:block;font-family:var(--serif);font-size:42px;line-height:1.1;margin:6px 0;color:#102131}.tierflow article small{color:#607686}.tierflow i{font-style:normal;color:#2778a4;font-size:24px}.boundary{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:28px}.boundary>div{border-top:1px solid #cfdae2;padding-top:24px}.boundary h3{font-size:26px}.boundary p:not(.eyebrow){color:#536978}
.research-link{margin-top:28px;color:#91a5b4}.research-link a{color:var(--ice)}
.pubgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.pub{display:block;border:1px solid var(--line);border-radius:20px;padding:28px;background:linear-gradient(145deg,rgba(17,43,68,.88),rgba(7,22,38,.88));transition:.2s ease}.pub:hover{transform:translateY(-2px);border-color:rgba(120,210,255,.5)}.pub small{color:var(--ice);letter-spacing:.14em;font-weight:800}.pub h3{font-size:27px}.pub span{color:#9fb4c3;font-size:13px}.pub:last-child{grid-column:1/-1}.orcid{margin-top:28px;padding:28px;border:1px solid var(--line);border-radius:20px;display:flex;align-items:center;justify-content:space-between;gap:24px;background:rgba(255,255,255,.025)}.orcid h3{margin-bottom:5px}.orcid p{color:#9fb4c3}
@media(max-width:800px){.tierflow{grid-template-columns:1fr}.tierflow i{transform:rotate(90deg);text-align:center}.boundary,.pubgrid{grid-template-columns:1fr}.pub:last-child{grid-column:auto}.orcid{align-items:flex-start;flex-direction:column}}