/* ══════════════════════════════════════════════════════════════
   FOCZ — cognitive fuel / carburant cognitif
   ══════════════════════════════════════════════════════════════ */

:root{
  /* graded to the film: cool monochrome, no hue */
  --bone:#DEE0DF;      /* light scene — silver paper */
  --bone-2:#CBCECD;
  --bone-3:#B2B7B6;
  --ink:#0E1012;       /* text on light */
  --ink-2:#33383B;
  --film:#08090A;      /* dark scene */
  --grey:#767D80;
  --steel:#767D80;

  /* the "accent" is pure contrast, flipped per scene — see scene theming */
  --accent:#FFFFFF;
  --accent-2:#9AA1A3;

  --fg:var(--bone);
  --bg:var(--film);

  --pad: clamp(18px, 4.2vw, 72px);
  --maxw: 1680px;

  --f-disp:"Archivo","Helvetica Neue",Helvetica,Arial,sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;

  --ease:cubic-bezier(.19,1,.22,1);
  --ease-io:cubic-bezier(.65,.05,.36,1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  font-family:var(--f-disp);
  background:var(--film);
  color:var(--bone);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.is-locked{overflow:hidden;height:100vh}

img,video,svg,canvas{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
::selection{background:#FFFFFF;color:#08090A}

.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.padded{padding-inline:var(--pad);max-width:var(--maxw);margin-inline:auto;width:100%}

/* ── type ───────────────────────────────────────────────────── */
.mono{
  font-family:var(--f-mono);
  font-weight:300;
  font-size:clamp(9px,.72vw,11.5px);
  letter-spacing:.16em;
  text-transform:uppercase;
  line-height:1.5;
}
.h2{
  font-size:clamp(2.2rem,6.2vw,5.6rem);
  font-weight:800;
  font-stretch:92%;
  line-height:.92;
  letter-spacing:-.035em;
  text-transform:uppercase;
  max-width:16ch;
}
.lede{
  font-size:clamp(.98rem,1.32vw,1.28rem);
  line-height:1.55;
  font-weight:300;
  max-width:52ch;
  opacity:.72;
  margin-top:1.4em;
}
.eyebrow{display:block;color:var(--accent);margin-bottom:clamp(18px,2.6vw,34px)}

/* ── scene theming ──────────────────────────────────────────── */
[data-scene="bone"]{
  background:var(--bone);color:var(--ink);--fg:var(--ink);--bg:var(--bone);
  --accent:#0E1012;--accent-2:#5C6366;
}
[data-scene="dark"]{
  background:var(--film);color:var(--bone);--fg:var(--bone);--bg:var(--film);
  --accent:#FFFFFF;--accent-2:#9AA1A3;
}

/* ── button ─────────────────────────────────────────────────── */
.btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;
  gap:.6em;padding:1.05em 2.1em;overflow:hidden;isolation:isolate;
  border:1px solid currentColor;border-radius:100px;
  font-family:var(--f-mono);font-size:11px;font-weight:400;
  letter-spacing:.18em;text-transform:uppercase;
  transition:color .45s var(--ease);
}
.btn::before{
  content:"";position:absolute;inset:0;z-index:-1;background:var(--accent);
  transform:translateY(101%);transition:transform .55s var(--ease);
}
.btn:hover{color:var(--bg);border-color:var(--accent)}
.btn:hover::before{transform:translateY(0)}
.btn--sm{padding:.72em 1.35em;font-size:10px}

/* ══ GRAIN + VIGNETTE ══════════════════════════════════════════ */
.grain{
  position:fixed;inset:-120px;z-index:9000;pointer-events:none;opacity:.30;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='3' stitchTiles='stitch'/><feColorMatrix type='saturate' values='0'/></filter><rect width='220' height='220' filter='url(%23n)' opacity='.55'/></svg>");
  mix-blend-mode:overlay;animation:grainShift 620ms steps(2) infinite;
}
@keyframes grainShift{
  0%{transform:translate(0,0)}25%{transform:translate(-14px,9px)}
  50%{transform:translate(11px,-12px)}75%{transform:translate(-8px,-7px)}
  100%{transform:translate(0,0)}
}
.vig{
  position:fixed;inset:0;z-index:8999;pointer-events:none;
  background:radial-gradient(122% 92% at 50% 45%,transparent 48%,rgba(4,5,6,.36) 100%);
}

/* ══ RETICLE CURSOR ════════════════════════════════════════════ */
.reticle{
  position:fixed;top:0;left:0;width:40px;height:40px;z-index:9500;
  pointer-events:none;opacity:0;mix-blend-mode:difference;
  transition:opacity .3s,width .4s var(--ease),height .4s var(--ease);
  will-change:transform;
}
.reticle svg{width:100%;height:100%;overflow:visible}
.reticle circle{fill:none;stroke:#fff;stroke-width:1;opacity:.55}
.reticle line{stroke:#fff;stroke-width:1;opacity:.85}
.reticle.is-on{opacity:1}
.reticle.is-lg{width:74px;height:74px}
.reticle__label{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  font-family:var(--f-mono);font-size:10px;letter-spacing:.14em;color:#fff;
  opacity:0;transition:opacity .25s;white-space:nowrap;
}
.reticle.is-lg .reticle__label{opacity:1}
@media (hover:none),(pointer:coarse){.reticle{display:none}}

/* ══ PRELOADER ═════════════════════════════════════════════════ */
.loader{
  position:fixed;inset:0;z-index:9800;background:var(--film);
  display:grid;place-items:center;
  transition:clip-path 1.05s var(--ease),opacity .5s .55s;
  clip-path:inset(0 0 0 0);
}
.loader.is-done{clip-path:inset(0 0 100% 0);pointer-events:none}
.loader__topo{position:absolute;inset:0;width:100%;height:100%;opacity:.28}
.loader__inner{position:relative;width:min(560px,74vw);text-align:center}
.loader__mark{
  display:flex;justify-content:center;gap:.02em;
  font-size:clamp(3rem,10vw,7rem);font-weight:900;font-stretch:80%;
  letter-spacing:-.05em;line-height:1;color:var(--bone);
}
.loader__mark span{
  display:inline-block;transform:translateY(105%);opacity:0;
  animation:markUp .9s var(--ease) forwards;
}
.loader__mark span:nth-child(1){animation-delay:.05s}
.loader__mark span:nth-child(2){animation-delay:.13s}
.loader__mark span:nth-child(3){animation-delay:.21s}
.loader__mark span:nth-child(4){animation-delay:.29s}
@keyframes markUp{to{transform:translateY(0);opacity:1}}
.loader__meta{
  display:flex;justify-content:space-between;align-items:baseline;
  margin-top:22px;color:var(--grey);
}
.loader__pct i{color:var(--bone);font-style:normal}
.loader__bar{height:1px;margin-top:10px;background:rgba(222,224,223,.18)}
.loader__bar i{display:block;height:100%;width:0;background:var(--accent)}

/* ══ NAV ═══════════════════════════════════════════════════════ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:800;
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;padding:18px var(--pad);
  transition:transform .55s var(--ease),background .4s,backdrop-filter .4s;
  mix-blend-mode:difference;color:#fff;
}
.nav.is-hidden{transform:translateY(-102%)}
.nav__mark{display:flex;align-items:center;gap:.5em;font-weight:900;font-stretch:82%;
  font-size:clamp(1.05rem,1.5vw,1.35rem);letter-spacing:-.03em}
.nav__mark em{font-style:normal;color:currentColor;font-size:11px;transition:transform .6s var(--ease)}
.nav__mark:hover em{transform:rotate(180deg)}
.nav__links{display:flex;gap:clamp(14px,2vw,30px)}
.nav__links a{position:relative;opacity:.62;transition:opacity .3s}
.nav__links a::after{
  content:"";position:absolute;left:0;bottom:-5px;width:100%;height:1px;
  background:currentColor;transform:scaleX(0);transform-origin:100% 50%;
  transition:transform .5s var(--ease);
}
.nav__links a:hover{opacity:1}
.nav__links a:hover::after{transform:scaleX(1);transform-origin:0 50%}
.nav__right{display:flex;align-items:center;gap:clamp(12px,1.5vw,22px)}
.langtog{display:flex;align-items:center;gap:.45em;opacity:.62}
.langtog button{opacity:.5;transition:opacity .3s,color .3s;letter-spacing:.12em}
.langtog button.is-on{opacity:1;color:inherit;text-decoration:underline;text-underline-offset:4px}
.langtog button:hover{opacity:1}
@media (max-width:860px){.nav__links{display:none}}

/* ══ ALTIMETER RAIL ════════════════════════════════════════════ */
.alti{
  position:fixed;right:var(--pad);top:50%;transform:translateY(-50%);z-index:700;
  display:flex;flex-direction:column;align-items:center;gap:9px;
  mix-blend-mode:difference;color:#fff;opacity:0;transition:opacity .6s;
}
.alti.is-on{opacity:.8}
.alti__num{font-size:11px;letter-spacing:.1em;font-variant-numeric:tabular-nums}
.alti__unit{font-size:8px;opacity:.5;margin-top:-8px}
.alti__track{width:1px;height:min(30vh,220px);background:rgba(255,255,255,.28);position:relative}
.alti__track i{position:absolute;top:0;left:-1px;width:3px;height:0;background:currentColor}
.alti__sec{writing-mode:vertical-rl;font-size:8.5px;letter-spacing:.28em;opacity:.6}
@media (max-width:1100px){.alti{display:none}}

/* ══ TOPOGRAPHIC CANVAS ════════════════════════════════════════ */
.topo{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;opacity:.42}

/* ══ HERO ══════════════════════════════════════════════════════ */
.hero{position:relative;min-height:100svh;overflow:hidden;isolation:isolate}
.hero__media{position:absolute;inset:0;z-index:-1}
.hero__video{
  width:100%;height:100%;object-fit:cover;
  filter:grayscale(1) contrast(1.12) brightness(.72);
  transform:scale(var(--hz,1.06));transform-origin:50% 45%;
}
.hero__scrim{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(8,9,10,.72) 0%,rgba(8,9,10,.05) 32%,rgba(8,9,10,.18) 60%,rgba(8,9,10,.92) 100%),
    radial-gradient(80% 60% at 50% 55%,transparent 30%,rgba(8,9,10,.5) 100%);
}
.hero__body{
  position:relative;min-height:100svh;display:flex;flex-direction:column;
  justify-content:flex-end;gap:clamp(12px,1.8vh,26px);
  padding:92px var(--pad) clamp(22px,3.4vh,48px);
  max-width:var(--maxw);margin-inline:auto;
}
.hero__top{display:flex;flex-wrap:wrap;gap:10px;margin-top:auto}
.tag{
  border:1px solid rgba(222,224,223,.28);border-radius:100px;
  padding:.55em 1.05em;backdrop-filter:blur(6px);background:rgba(8,9,10,.25);
}
.tag--dot::before{content:"●";font-size:.7em;margin-right:.7em;vertical-align:.15em}
.hero__title{
  font-size:min(21.5vw,42svh);font-weight:900;font-stretch:78%;
  line-height:.8;letter-spacing:-.055em;margin-left:-.02em;white-space:nowrap;
}
.hero__title .ch{display:inline-block}
.hero__sub{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:clamp(10px,3vw,60px);border-top:1px solid rgba(222,224,223,.18);
  padding-top:clamp(12px,1.6vh,22px);padding-right:clamp(0px,7vw,110px);
}
.hero__kicker{opacity:.7;letter-spacing:.22em}
.hero__line{
  font-size:clamp(1.05rem,2.1vw,1.85rem);font-weight:300;line-height:1.2;
  max-width:22ch;text-wrap:balance;
}
.hero__foot{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:clamp(20px,3vw,56px);border-top:1px solid rgba(222,224,223,.18);
  padding-top:clamp(14px,1.8vh,24px);padding-right:clamp(0px,6vw,96px);
}
.hero__specs{display:flex;flex-wrap:wrap;gap:clamp(18px,3vw,52px);list-style:none}
.hero__specs li{display:flex;align-items:baseline;gap:.5em}
.hero__specs b{
  font-family:var(--f-disp);font-size:clamp(1.5rem,3.4vw,2.8rem);
  font-weight:800;font-stretch:88%;letter-spacing:-.03em;line-height:1;
}
.hero__specs span{opacity:.55;font-size:9.5px}
.hero__cue{
  position:absolute;right:var(--pad);bottom:clamp(26px,4vh,56px);
  display:flex;flex-direction:column;align-items:center;gap:10px;opacity:.65;
  transition:opacity .3s;
}
.hero__cue:hover{opacity:1}
.hero__cue-rail{display:block;width:1px;height:56px;background:rgba(222,224,223,.3);position:relative;overflow:hidden}
.hero__cue-rail b{position:absolute;top:0;left:0;width:100%;height:40%;background:var(--accent);animation:cueRun 1.9s var(--ease-io) infinite}
@keyframes cueRun{0%{transform:translateY(-110%)}60%,100%{transform:translateY(260%)}}
@media (max-width:860px){
  .hero__cue{display:none}
  .hero__specs{gap:18px 26px}
}

/* ══ TICKER ════════════════════════════════════════════════════ */
.ticker{
  position:relative;z-index:2;overflow:hidden;background:var(--bone);color:var(--film);
  padding:13px 0;
}
.ticker__row{display:flex;width:max-content;will-change:transform}
.ticker__row span{
  font-family:var(--f-mono);font-size:clamp(10px,1vw,12.5px);font-weight:400;
  letter-spacing:.24em;text-transform:uppercase;padding-inline:clamp(14px,2vw,28px);
  white-space:nowrap;
}
.ticker__row i{opacity:.35;font-style:normal;align-self:center}

/* ══ LEAK — scrubbed film ══════════════════════════════════════ */
.leak{position:relative}
.leak__spacer{height:340vh}
.leak__pin{
  position:sticky;top:0;height:100svh;overflow:hidden;
  display:grid;place-items:center;isolation:isolate;
}
.leak__video{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;
  filter:grayscale(1) contrast(1.2) brightness(calc(.42 + var(--vb,.5) * .32));
  transform:scale(calc(1.16 - var(--p,0) * .10));
}
.leak__scrim{
  position:absolute;inset:0;z-index:1;
  background:radial-gradient(74% 60% at 50% 50%,rgba(8,9,10,.30) 0%,rgba(8,9,10,.72) 66%,rgba(8,9,10,.94) 100%);
}
.leak__hud{
  position:absolute;z-index:3;top:clamp(78px,10vh,110px);left:var(--pad);right:var(--pad);
  display:flex;justify-content:space-between;opacity:.5;
}
.leak__hud-l{color:var(--accent)}
.leak__stage{
  position:relative;z-index:2;width:100%;max-width:min(1240px,88vw);
  display:grid;place-items:center;text-align:center;
}
.leak__beat{
  grid-area:1/1;opacity:0;transform:translateY(18px);
  transition:opacity .5s var(--ease),transform .8s var(--ease);
  pointer-events:none;
}
.leak__beat.is-on{opacity:1;transform:translateY(0)}
.leak__beat.is-lg{
  font-size:clamp(2.2rem,7vw,6.6rem);font-weight:800;font-stretch:84%;
  line-height:.95;letter-spacing:-.045em;text-transform:uppercase;
  max-width:15ch;margin-inline:auto;
}
.leak__beat.is-md{
  font-size:clamp(1.6rem,4.8vw,4.2rem);font-weight:700;font-stretch:90%;
  line-height:1.04;letter-spacing:-.035em;text-transform:uppercase;
  max-width:19ch;margin-inline:auto;
}
.leak__beat.is-sm{
  font-size:clamp(1.05rem,2.5vw,2.15rem);font-weight:300;line-height:1.36;
  max-width:24ch;margin-inline:auto;text-wrap:balance;
}
.leak__beat.is-orange{color:#FFF;text-shadow:0 0 60px rgba(255,255,255,.30)}
.leak__beat .ch,.leak__beat .wd{display:inline-block}
.wnb{display:inline-block;white-space:nowrap}
.leak__bars{
  position:absolute;left:var(--pad);right:var(--pad);bottom:clamp(26px,5vh,54px);
  display:grid;grid-template-columns:repeat(4,1fr);gap:8px;
}
.leak__bars i{height:2px;background:rgba(222,224,223,.16);position:relative;overflow:hidden}
.leak__bars i::after{
  content:"";position:absolute;inset:0;background:var(--accent);
  transform:scaleX(var(--bp,0));transform-origin:0 50%;transition:transform .2s linear;
}

/* ══ ANATOMY ═══════════════════════════════════════════════════ */
.anat{position:relative;overflow:hidden}
.anat__pin{position:relative;z-index:2;height:210vh}
.anat__stagewrap{
  position:sticky;top:0;height:100svh;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;
}
.anat__stage{
  position:relative;width:min(1000px,92vw);height:min(70svh,660px);
  display:flex;align-items:center;justify-content:center;
}
.anat__glow{
  position:absolute;width:min(560px,70vw);aspect-ratio:1;border-radius:50%;
  background:radial-gradient(circle,rgba(92,99,102,.24) 0%,transparent 68%);
  transform:scale(calc(.6 + var(--p,0) * .7));transition:transform .3s linear;
}
.anat__can{
  position:relative;height:100%;max-height:100%;width:auto;object-fit:contain;
  mix-blend-mode:multiply;
  transform:translateY(calc((1 - var(--p,0)) * 4vh)) scale(calc(.92 + var(--p,0) * .12)) rotate(calc((var(--p,0) - .5) * -3deg));
  filter:drop-shadow(0 40px 60px rgba(14,16,18,.22));
  transition:transform .25s linear;
}
.anat__pins{list-style:none;position:absolute;inset:0}
.pin{
  position:absolute;top:var(--y);display:flex;flex-direction:column;gap:2px;
  opacity:0;transition:opacity .6s var(--ease),transform .8s var(--ease);
}
.pin--l{left:0;text-align:right;align-items:flex-end;transform:translateX(-26px)}
.pin--r{right:0;text-align:left;align-items:flex-start;transform:translateX(26px)}
.pin.is-on{opacity:1;transform:translateX(0)}
.pin b{font-weight:500;letter-spacing:.18em;color:var(--steel)}
.pin s{text-decoration:none;color:var(--accent);letter-spacing:.14em}
.pin::after{
  content:"";position:absolute;top:50%;width:clamp(34px,7vw,120px);height:1px;
  background:linear-gradient(90deg,var(--ink),transparent);opacity:.35;
}
.pin--l::after{left:calc(100% + 14px);background:linear-gradient(90deg,rgba(14,16,18,.55),transparent)}
.pin--r::after{right:calc(100% + 14px);background:linear-gradient(270deg,rgba(14,16,18,.55),transparent)}
.pin::before{
  content:"⊕";position:absolute;top:50%;transform:translateY(-50%);
  font-family:var(--f-mono);font-size:10px;color:var(--accent);
}
.pin--l::before{left:calc(100% + clamp(46px,7.6vw,132px))}
.pin--r::before{right:calc(100% + clamp(46px,7.6vw,132px))}
.anat__caption{opacity:.5;letter-spacing:.22em}
@media (max-width:760px){
  .anat__pin{height:180vh}
  .anat__stage{height:min(52svh,420px)}
  .pin::after,.pin::before{display:none}
  .pin b{font-size:8.5px}
  .pin s{font-size:8.5px}
}

/* ══ STACK EXPLORER ════════════════════════════════════════════ */
.stack{position:relative;padding-block:clamp(90px,14vh,180px);overflow:hidden}
.stack__head{margin-bottom:clamp(40px,6vh,80px)}
.stack__grid{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.92fr);
  gap:clamp(30px,5vw,90px);align-items:start;
}
.stack__detail{position:sticky;top:clamp(96px,16vh,180px)}
.stack__dose{display:flex;align-items:baseline;gap:.35em;color:var(--accent)}
.stack__amount{
  font-size:clamp(3.6rem,10vw,8.4rem);font-weight:900;font-stretch:80%;
  line-height:.85;letter-spacing:-.05em;font-variant-numeric:tabular-nums;
}
.stack__unit{font-size:clamp(11px,1.1vw,14px);letter-spacing:.2em;opacity:.8}
.stack__name{
  font-size:clamp(1.6rem,3.4vw,2.9rem);font-weight:700;font-stretch:94%;
  letter-spacing:-.03em;margin-top:.35em;
}
.stack__desc{
  font-size:clamp(.95rem,1.2vw,1.15rem);font-weight:300;line-height:1.6;
  opacity:.72;max-width:46ch;margin-top:1em;min-height:7.5em;
}
.stack__meterwrap{display:flex;align-items:center;gap:16px;margin-top:1.4em}
.stack__meter{flex:1;height:2px;background:rgba(222,224,223,.16);overflow:hidden}
.stack__meter i{display:block;height:100%;width:0;background:var(--accent);transition:width .9s var(--ease)}
.stack__meterlab{opacity:.5;white-space:nowrap}
.stack__detail.is-swap .stack__name,
.stack__detail.is-swap .stack__desc,
.stack__detail.is-swap .stack__amount{opacity:.15;transform:translateY(6px)}
.stack__name,.stack__desc,.stack__amount{transition:opacity .28s,transform .28s}

.stack__list{list-style:none;border-top:1px solid rgba(222,224,223,.14)}
.st{
  position:relative;display:grid;grid-template-columns:auto 1fr auto;align-items:center;
  gap:clamp(12px,2vw,28px);width:100%;text-align:left;
  padding:clamp(15px,2.1vw,25px) 0;border-bottom:1px solid rgba(222,224,223,.14);
  transition:padding-left .5s var(--ease),opacity .4s;opacity:.5;
}
.st::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--accent);
  transform:scaleY(0);transform-origin:50% 100%;transition:transform .5s var(--ease);
}
.st:hover,.st.is-on{opacity:1}
.st.is-on{padding-left:clamp(14px,1.8vw,26px)}
.st.is-on::before{transform:scaleY(1);transform-origin:50% 0}
.st__i{font-family:var(--f-mono);font-size:9.5px;letter-spacing:.14em;opacity:.45}
.st__n{
  font-size:clamp(1.02rem,1.9vw,1.62rem);font-weight:600;font-stretch:96%;
  letter-spacing:-.02em;
}
.st.is-on .st__n{color:var(--accent)}
.st__d{font-family:var(--f-mono);font-size:10px;letter-spacing:.14em;opacity:.6;white-space:nowrap}
@media (max-width:900px){
  .stack__grid{grid-template-columns:1fr}
  .stack__detail{position:static}
  .stack__desc{min-height:0}
}

/* ══ CURVE ═════════════════════════════════════════════════════ */
.curve{position:relative;padding-block:clamp(90px,14vh,180px);overflow:hidden}
.curve__head{position:relative;z-index:2;margin-bottom:clamp(36px,5vh,64px)}
.curve__wrap{
  position:relative;z-index:2;display:grid;
  grid-template-columns:minmax(0,1fr) minmax(240px,.42fr);
  gap:clamp(26px,4vw,64px);align-items:start;
}
.curve__chart{position:relative;border:1px solid rgba(14,16,18,.16);background:rgba(255,255,255,.28);backdrop-filter:blur(3px)}
.curve__svg{width:100%;height:clamp(230px,34vh,380px);display:block}
.curve__grid line{stroke:rgba(14,16,18,.12);stroke-width:1;stroke-dasharray:2 5}
.curve__path{fill:none;stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}
.curve__path--focz{stroke:var(--accent);transition:stroke-dashoffset 1.7s var(--ease-io)}
.curve__path--other{stroke:rgba(14,16,18,.42);stroke-width:2;stroke-dasharray:6 7}
.curve__fill{opacity:0;transition:opacity .9s .8s}
.curve.is-in .curve__fill{opacity:1}
.curve__fill--other{fill:rgba(14,16,18,.05)}
.curve__cursor{stroke:var(--ink);stroke-width:1;opacity:.4}
.curve__dot--focz{fill:var(--accent);stroke:var(--bone);stroke-width:2.5}
.curve__dot--other{fill:var(--ink);opacity:.45}
.curve__scrub{position:absolute;inset:0;cursor:ew-resize;touch-action:pan-y}
.curve__scrub:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.curve__handle{position:absolute;top:0;bottom:0;width:2px;background:transparent;transform:translateX(-50%)}
.curve__handle b{
  position:absolute;top:50%;left:50%;width:16px;height:16px;margin:-8px 0 0 -8px;
  border-radius:50%;border:1px solid var(--ink);background:var(--bone);
}
.curve__handle b::after{content:"";position:absolute;inset:4px;border-radius:50%;background:var(--accent)}
.curve__axis{
  display:flex;justify-content:space-between;padding:10px 12px;
  border-top:1px solid rgba(14,16,18,.16);opacity:.5;
}
.curve__read{display:flex;flex-direction:column;gap:clamp(16px,2.4vw,26px)}
.curve__time{font-size:clamp(11px,1vw,13px);letter-spacing:.2em;color:var(--accent)}
.curve__time b{font-size:1.5em;font-weight:500;font-variant-numeric:tabular-nums}
.curve__rows{display:flex;flex-direction:column;gap:18px}
.curve__row{display:grid;grid-template-columns:1fr auto;gap:4px 12px;align-items:baseline}
.curve__lab{opacity:.6}
.curve__val{
  font-size:clamp(1.7rem,3.2vw,2.6rem);font-weight:800;font-stretch:88%;
  letter-spacing:-.04em;line-height:1;font-variant-numeric:tabular-nums;
}
.curve__row.is-focz .curve__val{color:var(--accent)}
.curve__row.is-other .curve__val{opacity:.42}
.curve__bar{grid-column:1/-1;height:2px;background:rgba(14,16,18,.14);overflow:hidden}
.curve__bar i{display:block;height:100%;width:0;background:var(--ink);transition:width .18s linear}
.curve__row.is-focz .curve__bar i{background:var(--accent)}
.curve__note{
  border-top:1px solid rgba(14,16,18,.16);padding-top:16px;line-height:1.7;
  min-height:4em;letter-spacing:.13em;
}
.curve__disc{opacity:.4;font-size:8.5px;line-height:1.6;letter-spacing:.1em}
@media (max-width:900px){.curve__wrap{grid-template-columns:1fr}}

/* ══ VERSUS ════════════════════════════════════════════════════ */
.vs{position:relative}
.vs__panel{
  position:sticky;top:0;height:100svh;min-height:560px;overflow:hidden;
  display:grid;align-items:center;isolation:isolate;
}
.vs__panel[data-scene="dark"]{border-top:1px solid rgba(222,224,223,.1)}
.vs__panel[data-scene="bone"]{border-top:1px solid rgba(14,16,18,.1)}
.vs__bg{
  position:absolute;inset:0;z-index:-2;background-size:cover;background-position:center;
  filter:grayscale(1) contrast(1.15) brightness(.42);
  transform:scale(calc(1.12 - var(--p,0) * .09));transition:transform .3s linear;
}
.vs__panel[data-scene="dark"] .vs__bg::after{
  content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(8,9,10,.9) 0%,rgba(8,9,10,.35) 70%);
}
.vs__inner{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:clamp(12px,1.6vw,20px)}
.vs__idx{color:var(--accent);letter-spacing:.24em}
.vs__no{
  position:relative;display:inline-flex;align-items:center;gap:.7em;
  opacity:.55;font-size:clamp(10px,1.1vw,13px);letter-spacing:.22em;padding-block:.2em;
}
.vs__no em{font-style:normal;color:var(--accent);font-size:1.4em;line-height:0}
.vs__no::after{
  content:"";position:absolute;left:1.9em;right:0;top:52%;height:1px;background:currentColor;
  transform:scaleX(0);transform-origin:0 50%;transition:transform .9s .25s var(--ease);
}
.vs__panel.is-in .vs__no::after{transform:scaleX(1)}
.vs__yes{
  font-size:clamp(2.4rem,9vw,8.2rem);font-weight:900;font-stretch:80%;
  line-height:.88;letter-spacing:-.05em;text-transform:uppercase;max-width:14ch;
}
.vs__panel[data-scene="bone"] .vs__yes{color:var(--ink)}
.vs__panel[data-scene="dark"] .vs__yes{color:var(--bone)}
.vs__yes .sc{color:var(--accent-2);opacity:.85}
.vs__copy{
  font-size:clamp(.95rem,1.28vw,1.24rem);font-weight:300;line-height:1.55;
  max-width:44ch;opacity:.7;margin-top:.4em;
  clip-path:inset(0 0 100% 0);transform:translateY(14px);
  transition:clip-path .9s .35s var(--ease),transform .9s .35s var(--ease);
}
.vs__panel.is-in .vs__copy{clip-path:inset(0 0 0 0);transform:translateY(0)}

/* ══ NORTH ═════════════════════════════════════════════════════ */
.north{position:relative;padding-top:clamp(90px,14vh,180px);overflow:hidden}
.north__head{margin-bottom:clamp(40px,6vh,80px)}
.north__grid{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.75fr);
  gap:clamp(30px,5vw,80px);align-items:center;
  padding-bottom:clamp(50px,8vh,110px);
}
.spec{display:grid;gap:0;border-top:1px solid rgba(222,224,223,.14)}
.spec>div{
  display:grid;grid-template-columns:minmax(90px,.32fr) 1fr;gap:16px;align-items:baseline;
  padding:clamp(13px,1.7vw,20px) 0;border-bottom:1px solid rgba(222,224,223,.14);
}
.spec dt{opacity:.45;letter-spacing:.2em}
.spec dd{font-size:clamp(1rem,1.5vw,1.3rem);font-weight:400;letter-spacing:-.015em}
.spec dd .mono{display:block;opacity:.42;margin-top:.35em;letter-spacing:.14em}
.north__fig{position:relative}
.north__fig img{
  width:100%;height:auto;mix-blend-mode:screen;filter:invert(1) grayscale(1) contrast(1.05) brightness(1.05);
  opacity:.9;
}
@media (max-width:900px){.north__grid{grid-template-columns:1fr}.north__fig{order:-1;max-width:420px;margin-inline:auto}}

.certs{overflow:hidden;border-top:1px solid rgba(222,224,223,.14);padding:16px 0}
.certs__row{display:flex;width:max-content;will-change:transform}
.certs__row span{
  font-family:var(--f-mono);font-size:clamp(9px,.9vw,11px);letter-spacing:.26em;
  text-transform:uppercase;opacity:.42;padding-inline:clamp(16px,2.4vw,34px);white-space:nowrap;
}
.certs__row i{color:var(--accent);opacity:.45;font-style:normal;align-self:center}

/* ══ FAQ ═══════════════════════════════════════════════════════ */
.faq{position:relative;padding-block:clamp(90px,14vh,180px);overflow:hidden}
.faq__head{position:relative;z-index:2;margin-bottom:clamp(30px,5vh,60px)}
.faq__list{position:relative;z-index:2;border-top:1px solid rgba(14,16,18,.18)}
.qa{border-bottom:1px solid rgba(14,16,18,.18)}
.qa summary{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:clamp(18px,2.6vw,30px) 0;cursor:pointer;list-style:none;
  transition:padding-left .5s var(--ease),color .3s;
}
.qa summary::-webkit-details-marker{display:none}
.qa summary:hover{padding-left:12px}
.qa__q{
  opacity:.74;transition:opacity .3s,color .3s;
  font-size:clamp(1.02rem,2.1vw,1.72rem);font-weight:500;font-stretch:96%;
  letter-spacing:-.025em;line-height:1.2;max-width:34ch;
}
.qa[open] .qa__q{color:var(--accent);opacity:1}
.qa summary:hover .qa__q{opacity:1}
.qa__ic{position:relative;flex:0 0 auto;width:15px;height:15px}
.qa__ic::before,.qa__ic::after{
  content:"";position:absolute;top:50%;left:0;width:100%;height:1.5px;background:currentColor;
  transition:transform .5s var(--ease);
}
.qa__ic::after{transform:rotate(90deg)}
.qa[open] .qa__ic::after{transform:rotate(0)}
.qa__a{overflow:hidden}
.qa__a p{
  font-size:clamp(.95rem,1.22vw,1.15rem);font-weight:300;line-height:1.62;
  max-width:60ch;opacity:.68;padding-bottom:clamp(22px,3vw,34px);
}

/* ══ SIGNAL ════════════════════════════════════════════════════ */
.signal{position:relative;padding-block:clamp(110px,18vh,220px);overflow:hidden;isolation:isolate}
.signal__media{position:absolute;inset:0;z-index:-1}
.signal__media img{
  width:100%;height:100%;object-fit:cover;
  filter:grayscale(1) contrast(1.2) brightness(.3);
  transform:scale(1.08) translateY(calc(var(--p,0) * -3vh));
}
.signal__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,9,10,.9),rgba(8,9,10,.62) 45%,rgba(8,9,10,.95));
}
.signal__inner{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center}
.signal__h{
  font-size:clamp(2.1rem,7vw,6.4rem);font-weight:900;font-stretch:82%;
  line-height:.92;letter-spacing:-.045em;text-transform:uppercase;max-width:16ch;
}
.signal__inner .lede{text-align:center;margin-inline:auto}
  flex:1 1 260px;min-width:0;background:rgba(222,224,223,.06);color:var(--bone);
  border:1px solid rgba(222,224,223,.24);border-radius:100px;
  padding:1.05em 1.6em;font-family:var(--f-mono);font-size:12px;letter-spacing:.08em;
  transition:border-color .35s,background .35s;
}

/* ══ FOOTER ════════════════════════════════════════════════════ */
.foot{border-top:1px solid rgba(222,224,223,.14);padding-block:clamp(40px,6vh,70px)}
.foot__grid{display:grid;gap:clamp(26px,4vw,50px);grid-template-columns:1fr auto;align-items:start}
.foot__mark{
  display:block;font-size:clamp(2.4rem,7vw,5.2rem);font-weight:900;font-stretch:78%;
  letter-spacing:-.05em;line-height:.85;
}
.foot__brand p{opacity:.4;margin-top:.8em;letter-spacing:.2em}
.foot__links{display:flex;flex-direction:column;gap:10px;text-align:right}
.foot__links a{opacity:.55;transition:opacity .3s,color .3s}
.foot__links a:hover{opacity:1;color:var(--accent)}
.foot__legal{
  grid-column:1/-1;border-top:1px solid rgba(222,224,223,.14);padding-top:20px;
  opacity:.3;font-size:8.5px;line-height:1.8;letter-spacing:.12em;max-width:110ch;
}
@media (max-width:640px){
  .foot__grid{grid-template-columns:1fr}
  .foot__links{text-align:left;flex-direction:row;flex-wrap:wrap;gap:14px}
}

/* ══ SPLIT-TEXT REVEALS ════════════════════════════════════════ */
[data-split] .msk,
.leak__beat .msk{
  display:inline-block;overflow:hidden;vertical-align:bottom;line-height:inherit;
  padding-bottom:.22em;margin-bottom:-.22em;
}
[data-split] .msk>span,
.leak__beat .msk>span{
  display:inline-block;transform:translateY(145%);
  transition:transform .95s var(--ease);
}
/* tight display tracking eats the inter-word space — put it back */
[data-split]{word-spacing:.12em}
[data-split].is-in .msk>span,
.leak__beat.is-on .msk>span{transform:translateY(0)}

/* ══ REDUCED MOTION ════════════════════════════════════════════ */
@media (prefers-reduced-motion:reduce){
  .grain{animation:none;opacity:.16}
  .hero__cue-rail b{animation:none}
  *,*::before,*::after{
    animation-duration:.01ms!important;animation-iteration-count:1!important;
    transition-duration:.08s!important;
  }
  [data-split] .msk>span{transform:none!important}
  .leak__spacer{height:200vh}
}

/* ══ WAITLIST ══════════════════════════════════════════════════ */
.wl{position:relative;display:flex;flex-direction:column;gap:9px;flex:1 1 300px;max-width:440px}
.wl__lab{opacity:.55;letter-spacing:.22em}
.wl__row{
  display:flex;align-items:center;gap:10px;
  border-bottom:1px solid currentColor;padding-bottom:9px;
  transition:border-color .4s var(--ease);
}
.wl__input{
  flex:1 1 auto;min-width:0;background:none;border:0;color:inherit;
  font-family:var(--f-mono);font-size:13px;font-weight:300;letter-spacing:.06em;padding:7px 0;
}
.wl__input:focus{outline:none}
.wl__input::placeholder{color:currentColor;opacity:.32}
.wl__go{
  flex:0 0 auto;width:36px;height:36px;border:1px solid currentColor;border-radius:50%;
  display:grid;place-items:center;font-family:var(--f-mono);font-size:14px;line-height:1;
  transition:background .4s var(--ease),color .4s var(--ease),transform .4s var(--ease);
}
.wl__go:hover{background:var(--accent);color:var(--bg);transform:translateX(3px)}
.wl__go:focus-visible{outline:2px solid currentColor;outline-offset:3px}
.wl.is-busy{pointer-events:none}
.wl.is-busy .wl__go{opacity:.35}
.wl.is-ok .wl__row{border-color:var(--accent)}
.wl.is-bad .wl__row{border-color:#C6402C}
.wl__hp{position:absolute;left:-9999px;top:0;width:1px;height:1px;opacity:0}
.wl__msg{min-height:1.5em;opacity:0;transition:opacity .35s;letter-spacing:.14em;line-height:1.5}
.wl__msg.is-on{opacity:.85}
.wl__count{opacity:.42;letter-spacing:.2em}
.wl__count[hidden]{display:none}
.wl--big{max-width:min(520px,100%);margin-inline:auto;align-items:center;text-align:center;
  margin-top:clamp(28px,4vh,46px)}
.wl--big .wl__row{width:100%}
.wl--big .wl__input{text-align:center;font-size:14px}
@media (max-width:720px){
  .hero__foot{gap:18px}
  .wl{max-width:100%}
}

/* ══ ANATOMY LABEL (replaces the removed intro screen) ═════════ */
.anat__label{
  position:absolute;top:clamp(74px,11vh,108px);left:var(--pad);
  color:var(--accent);opacity:.62;letter-spacing:.22em;z-index:3;
}