:root{
  color-scheme: dark;
  --bg:#090E11; --bg2:#0E161A;
  --surface:rgba(232,242,240,.045); --surface-2:rgba(232,242,240,.085);
  --line:rgba(196,222,217,.13); --line-2:rgba(196,222,217,.26);
  --text:#EDF2F0; --muted:#93A4A1; --faint:#61726F;
  --gold:#E2C48D; --gold-soft:rgba(226,196,141,.12); --gold-ink:#191307;
  --ice:#93D5CD; --ice-soft:rgba(147,213,205,.12);
  --rose:#E8A493; --rose-soft:rgba(232,164,147,.11);
  --serif:'Bricolage Grotesque','Arial Black',system-ui,sans-serif;
  --sans:'Geist',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'Geist Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;
  background-image:radial-gradient(60vw 50vh at 90% 0%,rgba(226,196,141,.08),transparent 70%),radial-gradient(50vw 50vh at 0% 30%,rgba(147,213,205,.06),transparent 70%);background-attachment:fixed}
a{color:var(--ice);text-underline-offset:3px}
a:hover{color:var(--text)}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:8px}
[hidden]{display:none!important}
.wrap{max-width:1080px;margin:0 auto;padding-inline:20px}
.narrow{max-width:720px}

/* Nav */
.nav{position:sticky;top:0;z-index:20;padding-top:env(safe-area-inset-top,0px);background:rgba(9,14,17,.6);backdrop-filter:blur(22px) saturate(160%);-webkit-backdrop-filter:blur(22px) saturate(160%);border-bottom:1px solid var(--line)}
.nav .wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-weight:800;font-size:1.25rem;letter-spacing:-.035em;color:var(--text);text-decoration:none}
.brand img{width:46px;height:46px;display:block;flex:none;filter:drop-shadow(0 0 12px rgba(255,255,255,.14))}
.wordmark{font-family:var(--serif);font-weight:800;font-size:1.5rem;line-height:1;letter-spacing:-.035em;white-space:nowrap;text-align:left;font-variation-settings:"wdth" 92}
.wordmark small{display:block;font-family:var(--mono);font-weight:500;font-size:.56rem;letter-spacing:.36em;text-transform:uppercase;color:var(--gold);margin-top:4px}
.brand-mark{display:flex;gap:3px}
.brand-mark i{width:7px;height:7px;border-radius:50%;background:var(--gold);display:block}
.brand-mark i:nth-child(2){background:var(--ice)}
.brand-mark i:nth-child(3){background:var(--text);opacity:.6}
.nav-links{display:flex;align-items:center;gap:6px 18px}
.nav-links a{color:var(--muted);text-decoration:none;font-size:.92rem}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--text)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:10px 18px;font-weight:500;font-size:.92rem;text-decoration:none;border:1px solid var(--line-2);color:var(--text);background:var(--surface);transition:transform .1s ease-out,background .2s}
.btn:active{transform:scale(.97)}
.btn.primary{background:var(--gold);color:var(--gold-ink);border-color:transparent;box-shadow:0 10px 40px -14px rgba(226,196,141,.6)}
.btn.primary:hover{background:#EACF9D;color:var(--gold-ink)}
.btn.lg{padding:15px 24px;font-size:1rem}
.nav-links a{white-space:nowrap}
.sm{display:none}
@media (max-width:560px){.nav-links{gap:6px 14px}.wordmark{font-size:1.2rem}.brand{gap:8px}.brand img{width:38px;height:38px}.nav .wrap{height:68px}.nav-links .hide-sm{display:none}.lg-only{display:none}.sm{display:inline}.nav .btn{padding:9px 14px}}

/* Type */
.eyebrow{font-family:var(--mono);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ice);margin:0 0 16px}
h1,h2,h3{font-family:var(--serif);font-weight:800;letter-spacing:-.035em;text-wrap:balance;margin:0}
h1{font-size:clamp(2.6rem,6.5vw,4.8rem);line-height:.95;margin-bottom:22px;font-variation-settings:'wdth' 88}
h1 em,h2 em{font-style:normal;background:linear-gradient(100deg,var(--gold),#F3E3C2 50%,var(--ice));-webkit-background-clip:text;background-clip:text;color:transparent;padding-right:.05em}
h2{font-size:clamp(1.8rem,4vw,2.6rem);line-height:1;margin-bottom:18px}
h3{font-size:1.25rem;letter-spacing:-.02em;margin-bottom:8px}
.lede{font-size:1.15rem;color:var(--muted);font-weight:300;max-width:38em;margin:0 0 28px}
.lede strong{color:var(--text);font-weight:500}
p{margin:0 0 16px}
.muted{color:var(--muted)}
section{padding-block:56px}
.hero{padding-block:64px 40px}

/* Ribbon */
.ribbon{display:flex;align-items:center;gap:5px;overflow-x:auto;scrollbar-width:none;padding:6px 2px;-webkit-mask-image:linear-gradient(90deg,#000 88%,transparent);mask-image:linear-gradient(90deg,#000 88%,transparent)}
.ribbon::-webkit-scrollbar{display:none}
.bead{position:relative;flex:none;min-width:28px;height:28px;padding:0 6px;border-radius:14px;display:grid;place-items:center;font-family:var(--mono);font-size:.72rem;font-weight:500;border:1px solid transparent;font-style:normal}
.ribbon .bead + .bead::before{content:"";position:absolute;right:100%;top:50%;width:5px;height:1px;background:var(--line-2)}
.bead.c{background:var(--gold-soft);color:var(--gold);border-color:rgba(226,196,141,.3)}
.bead.p{background:var(--ice-soft);color:var(--ice);border-color:rgba(147,213,205,.28)}
.bead.h{background:rgba(237,242,240,.06);color:var(--text);border-color:rgba(237,242,240,.16)}
.bead.m{background:transparent;color:var(--muted);border:1px dashed var(--line-2)}
.bead.more{background:none;color:var(--faint);border:0;padding-left:8px}

/* Pills */
.pill{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:5px 11px;font-size:.76rem;font-weight:500;white-space:nowrap;border:1px solid}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.tier-rx{color:var(--ice);border-color:rgba(147,213,205,.35);background:var(--ice-soft)}
.tier-human{color:var(--gold);border-color:rgba(226,196,141,.35);background:var(--gold-soft)}
.tier-early{color:var(--rose);border-color:rgba(232,164,147,.35);background:var(--rose-soft)}

/* Explainer blocks */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
@media (max-width:820px){.split{grid-template-columns:1fr;gap:28px}}
.diagram{border:1px solid var(--line);border-radius:24px;padding:24px;background:linear-gradient(165deg,rgba(255,255,255,.05),rgba(255,255,255,.01))}
.scale{display:grid;gap:18px}
.scale-row{display:grid;gap:8px}
.scale-row b{font-weight:500}
.scale-row span{font-size:.86rem;color:var(--muted)}
.scale .ribbon{-webkit-mask-image:none;mask-image:none;flex-wrap:wrap}
.reasons{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:12px;margin-top:8px}
.reason{border:1px solid var(--line);border-radius:20px;padding:20px;background:var(--surface)}
.reason p{margin:0;color:var(--muted);font-size:.95rem}
.tiers{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.tiers div{border:1px solid var(--line);border-radius:18px;padding:18px;background:var(--surface)}
.tiers p{margin:10px 0 0;font-size:.92rem;color:var(--muted)}

/* Library */
.search{position:relative;margin:8px 0 14px}
.search input{width:100%;font:inherit;font-size:1.05rem;color:var(--text);background:var(--surface);border:1px solid var(--line-2);border-radius:16px;padding:16px 18px 16px 48px}
.search input:focus{outline:none;border-color:var(--gold);background:var(--surface-2)}
.search svg{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:20px;height:20px;color:var(--faint)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.chip{font:inherit;font-size:.85rem;border:1px solid var(--line-2);background:transparent;color:var(--muted);border-radius:999px;padding:7px 14px;cursor:pointer;transition:background .2s,color .2s,transform .1s}
.chip:active{transform:scale(.96)}
.chip[aria-pressed="true"]{background:var(--gold);color:var(--gold-ink);border-color:transparent}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:12px}
.card{display:flex;flex-direction:column;gap:10px;border:1px solid var(--line);border-radius:22px;padding:20px;background:linear-gradient(165deg,rgba(255,255,255,.05),rgba(255,255,255,.012));text-decoration:none;color:var(--text);transition:border-color .2s,transform .1s,background .2s}
.card:hover{border-color:var(--line-2);background:linear-gradient(165deg,rgba(255,255,255,.07),rgba(255,255,255,.02));color:var(--text)}
.card:active{transform:scale(.99)}
.card-head{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.card h3{font-size:1.45rem;margin:0}
.card .aka{font-size:.82rem;color:var(--faint);margin:2px 0 0}
.card p{margin:0;font-size:.94rem;color:var(--muted)}
.card .more{font-size:.85rem;color:var(--ice);margin-top:auto}
.empty{color:var(--muted);padding:20px 0}

/* FAQ */
.faq details{border-bottom:1px solid var(--line);padding:4px 0}
.faq details:first-of-type{border-top:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:16px 36px 16px 0;font-weight:500;font-size:1.05rem;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:12px;font-size:1.4rem;color:var(--gold);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--muted);margin:0 0 16px}

/* CTA */
.cta{border:1px solid rgba(226,196,141,.35);border-radius:28px;padding:36px;background:linear-gradient(160deg,rgba(226,196,141,.1),rgba(147,213,205,.05));display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px}
.cta h2{margin:0 0 6px;font-size:clamp(1.6rem,3.4vw,2.2rem)}
.cta p{margin:0;color:var(--muted)}

/* Article */
.crumbs{font-size:.84rem;color:var(--faint);margin:0 0 22px;display:flex;flex-wrap:wrap;gap:6px}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--text)}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:18px;overflow:hidden;margin:26px 0 8px}
.facts div{background:var(--bg2);padding:14px 16px}
.facts dt{font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin-bottom:4px}
.facts dd{margin:0;font-size:.95rem}
.short{font-size:1.25rem;line-height:1.5;font-weight:300;border-left:2px solid var(--gold);padding-left:18px;margin:28px 0}
.article h2{font-size:clamp(1.5rem,3.2vw,2rem);margin:44px 0 14px}
.findings{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.findings li{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start;border:1px solid var(--line);border-radius:16px;padding:14px 16px;background:var(--surface)}
.tag{font-family:var(--mono);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;border-radius:6px;padding:4px 7px;margin-top:3px;white-space:nowrap}
.tag.human{background:var(--ice-soft);color:var(--ice)}
.tag.animal{background:var(--gold-soft);color:var(--gold)}
.tag.lab{background:var(--rose-soft);color:var(--rose)}
.list{margin:0;padding-left:1.2em}
.list li{margin-bottom:8px}
.legal{border:1px solid var(--line);border-radius:16px;padding:16px 18px;background:rgba(0,0,0,.2)}
.related{display:flex;flex-wrap:wrap;gap:8px}
.related a{border:1px solid var(--line-2);border-radius:999px;padding:8px 14px;text-decoration:none;color:var(--text);font-size:.9rem}
.related a:hover{background:var(--surface-2)}
.disclaimer{font-size:.84rem;color:var(--faint);line-height:1.6;border-top:1px solid var(--line);padding-top:24px;margin-top:48px}
footer{padding-block:40px 60px;color:var(--faint);font-size:.85rem}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px}
footer a{color:var(--muted)}

@media (max-width:560px){
  body{font-size:16px}
  section{padding-block:40px}
  .cta{padding:24px}
  .findings li{grid-template-columns:1fr;gap:8px}
  .facts{grid-template-columns:1fr}
  .findings .tag{justify-self:start}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media (prefers-reduced-transparency:reduce){.nav{background:#0B1215;backdrop-filter:none;-webkit-backdrop-filter:none}}

@media (max-width:380px){.nav-links .btn.primary{display:none}}