/* CLL Labs v4 — hand-built. Dark only. Tokens first, then components in page order. */
@font-face{font-family:"Plus Jakarta Sans";src:url(/fonts/plus-jakarta-sans-var.woff2) format("woff2");font-weight:200 800;font-display:swap}
@font-face{font-family:"Space Grotesk";src:url(/fonts/space-grotesk-500.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Instrument Serif";src:url(/fonts/instrument-serif-italic.woff2) format("woff2");font-style:italic;font-weight:400;font-display:swap}
:root{
  --bg:#08090A;--card:#0F1013;--card2:#15171B;--ink:#F4F5F7;--muted:rgba(244,245,247,.6);--faint:rgba(244,245,247,.4);
  --line:rgba(255,255,255,.09);--line2:rgba(255,255,255,.18);--amber:#FBBF24;--amber-dim:rgba(251,191,36,.35);
  --sans:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --ok:#9ADFB0;
}
*{box-sizing:border-box}
html{background:var(--bg);scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.6 var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit}
img{max-width:100%;height:auto;display:block}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:6px}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* type */
h1,h2,h3{margin:0;font-weight:400;letter-spacing:-.02em;line-height:1.08;text-wrap:balance}
h1{font-size:clamp(40px,6.4vw,68px)}
h2{font-size:clamp(30px,4vw,44px)}
h3{font-size:24px;line-height:1.2;letter-spacing:-.01em}
.g{display:block;color:var(--muted)}
p{margin:0}
.lead{color:var(--muted);font-size:17px;line-height:1.6;max-width:56ch}
.pill{display:inline-flex;align-items:center;gap:8px;padding:6px 12px 6px 10px;border:1px solid var(--line);border-radius:999px;font-size:12.5px;color:var(--muted);background:rgba(255,255,255,.02)}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--amber)}
.eyebrow{font:500 11px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--amber)}
.mono{font-family:var(--mono);font-size:12.5px;color:var(--muted)}

/* buttons */
.btn{position:relative;display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:999px;font:500 14.5px/1.2 var(--sans);text-decoration:none;border:1px solid var(--line2);color:var(--ink);background:transparent;overflow:hidden;cursor:pointer;transition:border-color .2s}
.btn:hover{border-color:rgba(255,255,255,.4)}
.btn.amber{background:var(--amber);color:#0B0C0E;border-color:var(--amber)}
.btn.amber::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,transparent 35%,rgba(255,255,255,.6) 50%,transparent 65%);transform:translateX(-130%)}
.btn.amber:hover::after{animation:sweep .9s ease}
.btn.sm{padding:9px 16px;font-size:13.5px}
@keyframes sweep{to{transform:translateX(130%)}}

/* header */
.hdr{position:sticky;top:0;z-index:30;background:rgba(8,9,10,.72);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:500;text-decoration:none;font-size:15px}
.mark{display:inline-grid;place-items:center;width:30px;height:30px;border:1px solid var(--amber);color:var(--amber);border-radius:7px;font:500 10px/1 var(--mono);letter-spacing:.04em}
.nav{display:flex;gap:26px;font-size:14px}
.nav a{color:var(--muted);text-decoration:none;transition:color .2s}
.nav a:hover{color:var(--ink)}
.menu{display:none;position:relative}
.menu summary{list-style:none;cursor:pointer;width:40px;height:40px;display:grid;place-items:center;border:1px solid var(--line);border-radius:999px}
.menu summary::-webkit-details-marker{display:none}
.menu summary i{display:block;width:16px;height:2px;background:var(--ink);box-shadow:0 -5px 0 var(--ink),0 5px 0 var(--ink);font-style:normal}
.menu nav{position:absolute;right:0;top:48px;min-width:220px;background:var(--card);border:1px solid var(--line2);border-radius:14px;padding:8px;display:grid;box-shadow:0 20px 50px rgba(0,0,0,.6)}
.menu nav a{padding:11px 14px;border-radius:9px;text-decoration:none;color:var(--ink);font-size:15px}
.menu nav a:hover{background:rgba(255,255,255,.06)}
.menu nav a.cta{color:var(--amber)}

/* sections */
section{padding:104px 0}
.sec-head{display:grid;grid-template-columns:1.3fr 1fr;gap:24px 56px;align-items:end;margin-bottom:40px}
.sec-head h2{margin-top:18px}
.sec-head .lead{max-width:38ch}

/* hero: space layering */
.hero{position:relative;overflow:hidden;padding:88px 0 0;background:linear-gradient(180deg,#0E1322 0%,#0A0C14 36%,#08090A 68%);text-align:center}
.stars{position:absolute;inset:-80px 0;z-index:0;pointer-events:none;background-image:
 radial-gradient(1.4px 1.4px at 7% 12%,rgba(255,255,255,.9) 50%,transparent 60%),
 radial-gradient(1px 1px at 19% 31%,rgba(255,255,255,.55) 50%,transparent 60%),
 radial-gradient(1.2px 1.2px at 28% 8%,rgba(255,255,255,.7) 50%,transparent 60%),
 radial-gradient(1px 1px at 41% 22%,rgba(255,255,255,.5) 50%,transparent 60%),
 radial-gradient(1.6px 1.6px at 55% 6%,rgba(255,255,255,.85) 50%,transparent 60%),
 radial-gradient(1px 1px at 63% 27%,rgba(255,255,255,.45) 50%,transparent 60%),
 radial-gradient(1.2px 1.2px at 72% 14%,rgba(255,255,255,.7) 50%,transparent 60%),
 radial-gradient(1px 1px at 84% 34%,rgba(255,255,255,.5) 50%,transparent 60%),
 radial-gradient(1.4px 1.4px at 93% 9%,rgba(255,255,255,.8) 50%,transparent 60%),
 radial-gradient(1px 1px at 47% 40%,rgba(255,255,255,.4) 50%,transparent 60%),
 radial-gradient(1px 1px at 12% 46%,rgba(255,255,255,.45) 50%,transparent 60%),
 radial-gradient(1.2px 1.2px at 88% 50%,rgba(255,255,255,.6) 50%,transparent 60%),
 radial-gradient(1px 1px at 34% 55%,rgba(255,255,255,.35) 50%,transparent 60%),
 radial-gradient(1px 1px at 66% 47%,rgba(255,255,255,.4) 50%,transparent 60%),
 radial-gradient(1px 1px at 22% 66%,rgba(255,255,255,.35) 50%,transparent 60%),
 radial-gradient(1.2px 1.2px at 78% 62%,rgba(255,255,255,.45) 50%,transparent 60%)}
.earth{position:absolute;z-index:1;right:8%;top:76px;width:clamp(96px,12vw,168px);aspect-ratio:1;pointer-events:none;
  background:url(/img/earth.webp) center/contain no-repeat;
  border-radius:50%;box-shadow:0 0 22px rgba(70,140,255,.45),0 0 60px rgba(40,100,220,.2);will-change:transform}
.hero .copy{position:relative;z-index:4;display:grid;justify-items:center;gap:18px}
.hero .motto{margin:0;font-size:clamp(11px,1.5vw,15px);line-height:1.1;letter-spacing:-.01em;color:var(--muted);text-align:center}
.hero .motto b{font-weight:400;color:var(--amber)}
.hero h1{max-width:16ch;text-align:center;font-family:"Space Grotesk","Plus Jakarta Sans",system-ui,sans-serif;font-weight:500;letter-spacing:-.02em}
.hero .lead{max-width:60ch;text-align:center}
@media (min-width:761px){.hero .lead .s{white-space:nowrap}}
.hero .btns{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:8px}
.panel{position:relative;z-index:2;display:flex;flex-direction:column;margin:52px auto 200px;width:min(820px,100%);background:rgba(10,11,14,.9);border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:12px;box-shadow:0 30px 80px rgba(0,0,0,.6)}
.panel img{border-radius:10px;width:100%}
.panel figcaption{order:-1;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:6px 12px;padding:4px 8px 12px;font-size:13px;color:var(--muted);text-align:left}
.panel figcaption b{font-weight:500;color:var(--ink)}
.moonwrap{position:absolute;z-index:3;left:-100%;width:300%;top:calc(100% - 250px);aspect-ratio:4000/520;pointer-events:none;will-change:transform}
.moonwrap::after{content:"";position:absolute;left:0;right:0;top:100%;height:1400px;background:#08090A}
.moon{position:absolute;inset:0;z-index:0}
.moon::before{content:"";position:absolute;inset:0;background:url(/img/moon-band.webp) 0 0/100% auto no-repeat;background-image:image-set(url(/img/moon-band.webp) 1x,url(/img/moon-band@2x.webp) 2x);animation:drift 300s ease-in-out infinite alternate;will-change:transform}
.moon::after{content:"";position:absolute;z-index:-1;left:0;right:0;top:-34px;height:160px;background:url(/img/moon-band.webp) 0 34px/100% auto no-repeat;filter:blur(18px) sepia(1) saturate(6) brightness(1.25);opacity:.55;pointer-events:none}
@keyframes drift{to{transform:translateX(-28px)}}
.moonwrap .sink{position:absolute;left:0;right:0;top:44%;bottom:-2px;background:linear-gradient(180deg,rgba(8,9,10,0) 0%,rgba(8,9,10,.55) 40%,rgba(8,9,10,.9) 75%,#08090A 100%)}
.hero::after{content:"";position:absolute;z-index:4;left:0;right:0;bottom:0;height:220px;pointer-events:none;background:linear-gradient(180deg,rgba(8,9,10,0) 0%,rgba(8,9,10,.6) 55%,#08090A 100%)}
/* slogan: its own layer riding on the Moon, hovering over the surface */
.slogan{position:absolute;left:34.1%;width:33.3333%;top:clamp(84px,10.4vw,150px);margin:0;text-align:center;
  font:italic 400 clamp(44px,7.2vw,104px)/1 "Instrument Serif",Georgia,"Times New Roman",serif;letter-spacing:-.01em;color:var(--amber);
  text-shadow:0 2px 24px rgba(251,191,36,.35),0 0 60px rgba(251,191,36,.18);
  animation:hover 7s ease-in-out infinite alternate;transition:translate .3s ease-out;will-change:transform}
@keyframes hover{to{transform:translateY(-7px)}}
.cta .sink{position:absolute;z-index:3;left:0;right:0;bottom:0;height:150px;pointer-events:none;background:linear-gradient(180deg,rgba(8,9,10,0) 0%,rgba(8,9,10,.75) 60%,#08090A 100%)}
/* scroll parallax: compositor-driven where scroll timelines exist (Chrome, Edge, Safari 26); site.js does the same
   on the main thread elsewhere. Stars and Earth lag, the Moon rises over the panel. */
:root{--rise:260px}
@supports (animation-timeline: scroll()){
  .moonwrap{animation:riseMoon linear both;animation-timeline:scroll(root);animation-range:0 290px}
  .earth{animation:lagEarth linear both;animation-timeline:scroll(root);animation-range:0 800px}
  .stars{animation:lagStars linear both;animation-timeline:scroll(root);animation-range:0 800px}
}
@keyframes riseMoon{to{transform:translateY(calc(-1 * var(--rise)))}}
@keyframes lagEarth{to{transform:translateY(280px)}}
@keyframes lagStars{to{transform:translateY(160px)}}
.stars,.earth,.moonwrap,.panel{transition:translate .3s ease-out}
.stars{will-change:transform}

/* about */
.about{padding-top:40px}
.about .pill{margin-bottom:26px}
.about h2{font-size:clamp(26px,3vw,34px);margin-bottom:28px}
.manif{display:grid;gap:20px;max-width:70ch}
.manif p{font-size:clamp(19px,2.1vw,24px);line-height:1.42;letter-spacing:-.01em;text-wrap:pretty}
.manif .tag{font-size:clamp(19px,2.1vw,24px);letter-spacing:-.01em;color:var(--ink);font-weight:500}
/* reading highlight: site.js wraps sentences in .s; the one nearest the reading line is lit, the rest stay dim */
.manif .s,.read .s{display:block;opacity:.3;transition:opacity .25s ease}
.manif .s.on,.read .s.on{opacity:1}

/* feature rows */
.rows{display:grid;gap:14px}
.row{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:18px;background:var(--card);overflow:hidden;min-height:300px;transition:transform .25s ease,border-color .25s ease;scroll-margin-top:80px}
.row:hover{transform:translateY(-3px);border-color:var(--line2)}
.row .tx{padding:34px 36px;display:flex;flex-direction:column;gap:12px}
.row .tx .lead{font-size:15.5px}
.row .kicker{font-size:13px;color:var(--muted)}
.row .kicker::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--amber);margin-right:8px;vertical-align:1px}
.row .tx .btn{align-self:flex-start;margin-top:8px}
.row .plus{margin-top:auto;padding-top:22px;font-size:13.5px;color:var(--muted)}
.row .plus::before{content:"+";margin-right:10px;color:var(--amber)}
.row .im{border-left:1px solid var(--line);background:var(--bg);display:grid;place-items:center;overflow:hidden;min-height:240px}
.row.alt .im{order:-1;border-left:0;border-right:1px solid var(--line)}
.row .im img{width:100%;height:100%;object-fit:cover;object-position:top left}
/* illustrative pipeline widget */
.pipe{width:min(440px,90%);font-size:13.5px}
.pipe .ph{display:flex;justify-content:space-between;font:500 10.5px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.pipe .ev{display:grid;grid-template-columns:44px 1fr auto;gap:12px;align-items:center;padding:10px 0;border-top:1px solid var(--line)}
.pipe .t{font-family:var(--mono);font-size:12px;color:var(--muted)}
.pipe .f{font-family:var(--mono);font-size:12.5px}
.pipe .s{font:500 10.5px/1 var(--mono);letter-spacing:.06em;text-transform:uppercase;padding:5px 8px;border-radius:999px;border:1px solid var(--line2);color:var(--muted);white-space:nowrap}
.pipe .s.ok{color:var(--ok);border-color:rgba(154,223,176,.35)}
.pipe .s.warn{color:var(--amber);border-color:rgba(251,191,36,.4)}
/* illustrative architecture diagram */
.arch{width:min(420px,88%);font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.arch .st{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;align-items:center;gap:8px;text-align:center}
.arch .bx{border:1px solid var(--line2);border-radius:10px;padding:14px 8px;color:var(--ink)}
.arch .ar{color:var(--amber)}
.arch .sub{margin-top:14px;display:grid;grid-template-columns:repeat(3,1fr);gap:8px;text-align:center}
.arch .sub span{border:1px dashed var(--line);border-radius:8px;padding:8px 4px;font-size:10.5px}

/* lab cards */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.card{position:relative;border:1px solid var(--line);border-radius:18px;background:var(--card);padding:26px 26px 22px;transition:transform .25s ease,border-color .25s ease}
.card:hover{transform:translateY(-3px);border-color:var(--line2)}
.card h3{font-size:19px;padding-right:100px;margin-bottom:8px}
.card p{font-size:14.5px;color:var(--muted);margin-bottom:16px}
.card .dt{font:400 12px/1.4 var(--mono);color:var(--muted)}
.card .st{position:absolute;top:22px;right:22px;font:500 10px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;padding:5px 8px;border-radius:999px;border:1px solid var(--line2);color:var(--muted)}
.card .st.hot{color:var(--amber);border-color:rgba(251,191,36,.4)}

/* protocol steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.step{border:1px solid var(--line);border-radius:18px;background:var(--card);padding:28px 26px}
.step .n{font:400 30px/1 var(--mono);color:var(--muted);margin-bottom:28px}
.step h3{font-size:19px;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--muted);margin-bottom:16px}
.step .io{font:400 12px/1.4 var(--mono);color:var(--amber)}

/* faq */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 4px;font-size:17px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--muted);font-size:20px}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:0 0 20px;padding:0 4px;font-size:15.5px;color:var(--muted);max-width:66ch}

/* final cta with the horizon returning */
.cta{position:relative;overflow:hidden;padding:120px 0 260px}
.cta .box{position:relative;z-index:2;max-width:720px}
.cta .eyebrow{display:block;margin-bottom:18px}
.cta h2{margin-bottom:18px}
.cta .now{font:italic 400 1.12em/1 "Instrument Serif",Georgia,"Times New Roman",serif;color:var(--amber)}
.cta .btns{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:28px}
.cta .moon{position:absolute;z-index:3;left:-100%;width:300%;top:calc(100% - 200px);aspect-ratio:4000/520;pointer-events:none}
.cta .moon::before{animation:none}

/* footer */
.ftr{border-top:1px solid var(--line);padding:48px 0 40px;font-size:14px}
.ftr .grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px}
.ftr .mark{margin-bottom:12px}
.ftr p{color:var(--muted);font-size:13.5px}
.ftr h4{margin:0 0 10px;font-size:13px;font-weight:500}
.ftr ul{list-style:none;margin:0;padding:0;display:grid;gap:7px}
.ftr a{color:var(--muted);text-decoration:none}
.ftr a:hover{color:var(--ink)}
.ftr .legal{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;margin-top:36px;padding-top:20px;border-top:1px solid var(--line);font:400 11.5px/1.6 var(--mono);color:var(--faint)}

@media (max-width:860px){
  .sec-head,.cards,.steps,.row,.ftr .grid{grid-template-columns:1fr}
  .row.alt .im{order:-1;border-right:0}
  .row .im{order:-1;border-left:0;border-bottom:1px solid var(--line);min-height:200px}
  .row .im img{height:auto;max-height:280px}
}
@media (max-width:760px){
  section{padding:72px 0}
  .nav,.hdr .cta{display:none}
  .menu{display:block}
  .hero{padding-top:92px}
  .earth{top:14px;right:5%;width:60px}
  .panel figcaption .mono{display:none}
  .panel{margin-bottom:140px;padding:8px}
  .moonwrap,.cta .moon{left:-160%;width:420%}
  .moonwrap{top:calc(100% - 180px)}
  :root{--rise:290px}
  .slogan{left:38.7%;width:23.81%;top:62px;font-size:44px}
  .moonwrap .sink{top:46%}
  .hero::after{height:150px}
  .cta .sink{height:120px}
  .cta{padding:80px 0 200px}
  .cta .moon{top:calc(100% - 140px)}
  .pipe .ev{grid-template-columns:1fr auto}
  .pipe .t{display:none}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .stars,.earth,.moonwrap,.moon::before,.slogan,.btn.amber:hover::after{animation:none!important}
  .manif .s,.read .s{opacity:1;transition:none}
  .row,.card,.stars,.earth,.moonwrap,.panel{transition:none}
}
.steps{list-style:none;margin:0;padding:0}
.muted{color:var(--muted)}
.skip{position:absolute;left:12px;top:-60px;z-index:40;padding:10px 14px;background:var(--amber);color:#0B0C0E;border-radius:999px;font-weight:500;text-decoration:none}
.skip:focus{top:12px}