/* ============================================================
   LIQUICAT ($POURR) — sol146
   FIRST ACHROMATIC-CHROME GROUND: zero chromatic UI anywhere.
   All hue is mascot-locked (marmalade #F5941D, ink-black, warm
   white #FAF2E6 appear ONLY inside cat artwork/fluid).
   Structural greys: HSV-S < 8%, always.
   ============================================================ */

@font-face{
  font-family:'STIX Two Text';
  src:url('../assets/fonts/stix-two-text.woff2') format('woff2');
  font-weight:400 700;font-style:normal;font-display:swap;
}
@font-face{
  font-family:'STIX Two Text';
  src:url('../assets/fonts/stix-two-text-italic.woff2') format('woff2');
  font-weight:400;font-style:italic;font-display:swap;
}
@font-face{
  font-family:'Atkinson Hyperlegible';
  src:url('../assets/fonts/atkinson-400.woff2') format('woff2');
  font-weight:400;font-style:normal;font-display:swap;
}
@font-face{
  font-family:'Atkinson Hyperlegible';
  src:url('../assets/fonts/atkinson-700.woff2') format('woff2');
  font-weight:700;font-style:normal;font-display:swap;
}
@font-face{
  font-family:'Sometype Mono';
  src:url('../assets/fonts/sometype-mono.woff2') format('woff2');
  font-weight:400 700;font-style:normal;font-display:swap;
}

:root{
  --ground:#F4F7F8;
  --panel:#FFFFFF;
  --grid:#DDE4E7;
  --ink:#25282A;
  --ink2:#646B6E;
  --dark:#26292B;          /* the storage room — grey, not black */
  --dark-grid:#3A3E40;
  --on-dark:#E8EAEB;
  /* mascot-locked chroma — used ONLY inside cat artwork/fluid */
  --cat-white:#FAF2E6;
  --cat-orange:#F5941D;
  --cat-black:#1A1D1F;
  --serif:'STIX Two Text','Times New Roman',Georgia,serif;
  --sans:'Atkinson Hyperlegible',system-ui,Segoe UI,Arial,sans-serif;
  --mono:'Sometype Mono',ui-monospace,'Cascadia Mono',Consolas,monospace;
  --maxw:1180px;
  --radius:6px;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{overflow-x:clip;scroll-behavior:smooth;background:var(--ground)}
body{margin:0;font-family:var(--sans);color:var(--ink);background:
  linear-gradient(var(--grid) 1px,transparent 1px) 0 0/100% 56px,
  linear-gradient(90deg,var(--grid) 1px,transparent 1px) 0 0/56px 100%,
  var(--ground);
  background-attachment:fixed;
  font-size:17px;line-height:1.6;overflow-x:clip}
[hidden]{display:none!important}
img,svg,canvas{max-width:100%;display:block}
a{color:var(--ink);text-underline-offset:3px}
a:hover{color:#000}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
::selection{background:var(--ink);color:var(--ground)}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px;border-radius:2px}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
}

.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;
  padding:8px 14px;z-index:1000;font-family:var(--mono)}
.skip-link:focus{left:8px;top:8px}

.mono{font-family:var(--mono)}
.display{font-family:var(--serif);font-weight:700;letter-spacing:-0.015em;margin:0}
.sc{font-variant-caps:small-caps;letter-spacing:.06em;font-weight:700}
.kicker{font-size:12px;letter-spacing:.14em;color:var(--ink2);margin:0 0 10px}
.section{max-width:var(--maxw);margin:0 auto;padding:88px 24px}
.section-lede{max-width:620px;color:var(--ink2);margin:12px 0 30px}

/* ---------- preloader (rest of it; critical part inline) ---------- */
#preloader{transition:opacity .45s ease}
#preloader.done{opacity:0;pointer-events:none}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:100;display:flex;align-items:center;gap:22px;
  padding:10px 20px;background:color-mix(in srgb,var(--ground) 88%,transparent);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--grid)}
.nav-brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.nav-logo{border-radius:50%}
.nav-name{font-family:var(--serif);font-weight:700;font-size:19px;letter-spacing:.01em}
.nav-links{display:flex;gap:20px;margin-left:auto}
.nav-links a{text-decoration:none;font-size:14.5px;color:var(--ink2)}
.nav-links a:hover{color:var(--ink)}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-links + .nav-right{margin-left:0}

.phase-chip{display:flex;align-items:center;gap:7px;border:1px solid var(--grid);
  border-radius:20px;padding:4px 12px 4px 7px;background:var(--panel)}
.phase-chip .vial{width:14px;height:21px}
.vial-glass{fill:none;stroke:var(--ink);stroke-width:1.4}
.vial-liquid{fill:var(--cat-orange);transition:opacity .2s}
.vial-loaf{fill:var(--cat-orange);opacity:0;transition:opacity .2s}
.phase-chip.solid .vial-liquid{opacity:0}
.phase-chip.solid .vial-loaf{opacity:1}
.phase-label{font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--ink2)}
.phase-chip.solid .phase-label{color:var(--ink)}

.mute-btn{width:34px;height:34px;display:grid;place-items:center;border:1px solid var(--grid);
  border-radius:50%;background:var(--panel)}
.mute-btn svg{width:18px;height:18px}
.mute-btn .spk{fill:var(--ink)}
.mute-btn .wave{fill:none;stroke:var(--ink);stroke-width:2;stroke-linecap:round}
.mute-btn[aria-pressed="true"] .wave{opacity:.18}

.burger{display:none;width:38px;height:34px;flex-direction:column;justify-content:center;
  gap:5px;align-items:center;border:1px solid var(--grid);border-radius:6px;background:var(--panel)}
.burger span{display:block;width:16px;height:2px;background:var(--ink);transition:transform .2s,opacity .2s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* fixed-under-sticky gotcha: absolute under the nav, not position:fixed */
.mobile-panel{position:absolute;top:100%;left:0;right:0;background:var(--ground);
  border-bottom:1px solid var(--grid);padding:10px 20px 16px;display:flex;
  flex-direction:column;gap:2px}
.mobile-panel a{text-decoration:none;padding:10px 4px;border-bottom:1px solid var(--grid);
  font-family:var(--mono);font-size:14px;letter-spacing:.04em}
.mobile-panel a:last-child{border-bottom:none}

/* ---------- hero ---------- */
.hero{max-width:var(--maxw);margin:0 auto;padding:64px 24px 40px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:44px;align-items:start}
.hero-copy .display{font-size:clamp(44px,6.4vw,84px);line-height:1.02}
.ticker-line{margin:10px 0 2px}
.ticker{font-size:clamp(20px,2.6vw,30px);font-weight:700;letter-spacing:.04em}
.subline{font-size:12.5px;letter-spacing:.14em;color:var(--ink2);margin:2px 0 18px}
.hero-lede{max-width:460px;color:var(--ink2)}

.ca-row{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:10px;margin:22px 0 18px}
.ca-label{font-size:12px;letter-spacing:.14em;color:var(--ink2)}
.ca-pill{display:flex;align-items:center;gap:10px;min-width:0;width:100%;max-width:430px;
  border:1px solid var(--ink);border-radius:999px;padding:9px 16px;background:var(--panel);
  transition:background .15s}
.ca-pill:hover{background:#ECF0F1}
.ca-pill .mono{font-size:13.5px;letter-spacing:.02em;overflow:hidden;text-overflow:ellipsis;
  white-space:nowrap;min-width:0}
.copy-ic{width:15px;height:15px;flex:0 0 auto;fill:none;stroke:var(--ink2);stroke-width:1.6}

.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:999px;text-decoration:none;font-weight:700;
  font-size:15px;border:1.5px solid var(--ink);transition:transform .12s ease,background .15s,color .15s}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0) scale(.98)}
.btn-solid{background:var(--ink);color:#fff}
.btn-solid:hover{background:#000;color:#fff}
.btn-line{background:transparent;color:var(--ink)}
.btn-line:hover{background:var(--panel)}

.hero-lab{min-width:0}
.lab-frame{position:relative;background:var(--panel);border:1px solid var(--grid);
  border-radius:var(--radius);aspect-ratio:640/520;overflow:hidden;
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:28px 28px}
.lab-frame:focus-visible{outline-offset:-2px}
#heroCanvas{position:absolute;inset:0;width:100%;height:100%}
#heroScene{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.lineart path,.lineart circle{stroke:var(--ink);stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}
.lineart .bottle{stroke-width:1.7;stroke:var(--ink2)}
.lineart .shelf{stroke-width:2.2}
.perch-cat .fur-white{fill:var(--cat-white);stroke:var(--ink);stroke-width:2}
.perch-cat .fur-orange{fill:var(--cat-orange)}
.perch-cat .fur-black{fill:var(--cat-black)}
.perch-cat .tail{stroke:var(--cat-black);stroke-width:5;stroke-linecap:round}
.perch-cat .eye{fill:var(--ink)}
.perch-cat .mouth{stroke:var(--ink);stroke-width:1.6}
.perch-cat.away{opacity:0}
.perch-cat{transition:opacity .3s ease}
.pour-readout{position:absolute;top:10px;right:14px;font-size:12px;letter-spacing:.1em;color:var(--ink2)}

.vessel-shelf{display:flex;gap:10px;margin-top:14px;overflow-x:auto;padding:6px 2px 10px;
  scrollbar-width:thin}
.vessel{flex:0 0 auto;width:86px;height:86px;border:1px solid var(--grid);border-radius:var(--radius);
  background:var(--panel);display:grid;place-items:center;transition:border-color .15s,transform .12s;
  touch-action:manipulation}
.vessel:hover{transform:translateY(-2px);border-color:var(--ink2)}
.vessel[aria-selected="true"]{border-color:var(--ink);border-width:1.5px}
.vessel svg{width:56px;height:56px}
.vessel svg path,.vessel svg ellipse,.vessel svg rect,.vessel svg circle{stroke:var(--ink);stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round}
.vessel .vessel-name{position:absolute;left:-9999px}

.result-line{margin:8px 0 0;font-size:13px;letter-spacing:.05em;color:var(--ink);
  border-left:3px solid var(--ink);padding-left:12px;min-height:22px}

/* ---------- band ---------- */
.band-wrap{margin:36px 0 8px;position:relative}
.band-note{position:absolute;top:-24px;right:8%;font-size:10.5px;letter-spacing:.1em;
  color:var(--ink2);transform:rotate(-1deg);margin:0;z-index:3;background:var(--ground);
  padding:1px 8px}
.band{transform:rotate(-1.6deg);margin:0 -2%;}
.band-glass{position:relative;height:64px;border-top:2px solid var(--ink);border-bottom:2px solid var(--ink);
  background:var(--panel);overflow:hidden}
.band-fluid{position:absolute;left:0;right:0;bottom:0;height:38px;transform:rotate(1.6deg) scale(1.03);
  transform-origin:center;
  background:repeating-linear-gradient(100deg,
    var(--cat-orange) 0 140px,var(--cat-white) 140px 250px,
    var(--cat-black) 250px 320px,var(--cat-orange) 320px 460px,
    var(--cat-white) 460px 610px,var(--cat-black) 610px 660px,var(--cat-orange) 660px 800px);
  background-size:800px 100%}
.band-fluid::after{content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:rgba(255,255,255,.55)}
.band-labels{position:absolute;inset:0;display:flex;align-items:flex-start;padding-top:6px}
.band-label{position:absolute;top:13px;white-space:nowrap;background:var(--panel);
  border:1px solid var(--ink);padding:3px 12px;font-family:var(--mono);font-size:12px;
  letter-spacing:.1em;transform:rotate(1.6deg)}
.band-ticks{position:absolute;inset:0;background:
  repeating-linear-gradient(90deg,transparent 0 88px,var(--ink) 88px 90px);opacity:.16}

/* ---------- finding ---------- */
.finding-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:40px;align-items:start}
.fig-plate{margin:0;background:var(--panel);border:1px solid var(--ink);padding:14px}
.fig-plate img{width:100%;height:auto}
.fig-plate figcaption{margin-top:10px;font-size:11.5px;letter-spacing:.1em;color:var(--ink2)}
.citation{font-family:var(--serif);font-size:18px;border-left:3px solid var(--ink);
  padding-left:14px}
.citation .mono{display:block;font-size:11px;letter-spacing:.1em;color:var(--ink2);margin-top:6px}
.finding-copy p{margin:0 0 16px}

/* ---------- data sheet ---------- */
.sheet{max-width:760px;margin:0;border:1px solid var(--ink);background:var(--panel)}
.sheet-row{display:grid;grid-template-columns:minmax(0,240px) minmax(0,1fr);gap:14px;
  padding:15px 20px;border-bottom:1px solid var(--grid)}
.sheet-row:last-child{border-bottom:none}
.sheet-row dt{font-family:var(--mono);font-size:12px;letter-spacing:.12em;color:var(--ink2);
  align-self:center}
.sheet-row dd{margin:0;font-size:14.5px;font-weight:700;letter-spacing:.02em;overflow-wrap:anywhere}

/* ---------- decanting ---------- */
.game-frame{position:relative;background:var(--panel);border:1px solid var(--grid);
  border-radius:var(--radius);overflow:hidden;aspect-ratio:16/10;max-height:640px}
#gameCanvas{position:absolute;inset:0;width:100%;height:100%;touch-action:none}
.ethics-gate{position:absolute;inset:0;background:color-mix(in srgb,var(--ground) 94%,transparent);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;padding:24px;
  text-align:left;z-index:3}
.ethics-gate h3{margin:0;letter-spacing:.16em;font-size:14px}
.ethics-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px;
  font-size:12.5px;letter-spacing:.04em;max-width:520px}
.ethics-list li{padding-left:26px;position:relative;color:var(--ink2)}
.ethics-list li.ticked{color:var(--ink)}
.ethics-list li.ticked::before{content:"✓";position:absolute;left:2px;font-weight:700}
.ethics-list li.ticked::after{content:attr(data-note);margin-left:8px;font-size:10px;
  letter-spacing:.08em;color:var(--ink2);font-style:italic}
.ethics-cuke b{color:var(--ink)}
.game-hud{position:absolute;top:10px;left:14px;right:14px;display:flex;gap:10px;z-index:2;
  font-size:12.5px;letter-spacing:.08em;color:var(--ink)}
.hud-sep{color:var(--ink2)}
#hudBest{margin-left:auto;color:var(--ink2)}
.game-verdict{position:absolute;left:50%;top:42%;transform:translate(-50%,-50%);z-index:4;
  background:var(--panel);border:1.5px solid var(--ink);padding:18px 26px;font-size:15px;
  letter-spacing:.06em;text-align:center;max-width:80%}

/* ---------- methods ---------- */
.steps{list-style:none;counter-reset:step;margin:0;padding:0;display:grid;
  grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;max-width:1060px}
.step{counter-increment:step;background:var(--panel);border:1px solid var(--grid);
  border-radius:var(--radius);padding:22px 20px 18px;position:relative}
.step::before{content:"0" counter(step);font-family:var(--mono);font-size:12px;
  letter-spacing:.12em;color:var(--ink2)}
.step-note{position:absolute;top:20px;right:16px;font-size:10px;letter-spacing:.1em;
  color:var(--ink2);font-style:italic}
.step h3{font-family:var(--serif);margin:8px 0 8px;font-size:21px}
.step p{margin:0;font-size:15px;color:var(--ink2)}
.step a{color:var(--ink)}

/* ---------- phase diagram ---------- */
.phase-fig{margin:0;background:var(--panel);border:1px solid var(--ink);padding:18px;
  max-width:860px}
.phase-fig figcaption{margin-top:10px;font-size:11.5px;letter-spacing:.1em;color:var(--ink2)}
.axis path{stroke-width:1.6}
.axfill{fill:var(--ink);stroke:none!important}
.ax-label{font-size:11px;letter-spacing:.12em;fill:var(--ink2);text-anchor:end}
.boundary{stroke:var(--grid);stroke-width:1.6;stroke-dasharray:5 5}
.region{font-size:13px;letter-spacing:.14em;fill:var(--ink2)}
.region-sub{font-size:9.5px;letter-spacing:.1em;fill:var(--ink2)}
.trajectory{stroke:var(--ink);stroke-width:1.6;stroke-dasharray:2 6;stroke-linecap:round}
.mile{fill:var(--ink)}
.mile-label{font-size:10.5px;letter-spacing:.1em;fill:var(--ink)}
/* the terminus is THE DOT — the one place chroma appears outside cat art is *as the cat*:
   the terminus dot is the specimen himself, marmalade. */
.terminus-dot{fill:var(--cat-orange);stroke:var(--ink);stroke-width:1.4}

/* ---------- telemetry ---------- */
  padding:18px 18px 14px;display:flex;flex-direction:column;gap:8px}

/* ---------- storage room (the one dark section — grey, not black) ---------- */
.storage{background:
  linear-gradient(var(--dark-grid) 1px,transparent 1px) 0 0/100% 56px,
  linear-gradient(90deg,var(--dark-grid) 1px,transparent 1px) 0 0/56px 100%,
  var(--dark);
  color:var(--on-dark);max-width:none;padding:96px 24px}
.storage-inner{max-width:var(--maxw);margin:0 auto}
.storage .kicker{color:#9AA0A3}
.storage .display{color:var(--on-dark)}
.storage-lede{color:#B9BEC1;max-width:520px;margin-top:10px;margin-bottom:30px}
.btn-invert{background:var(--on-dark);color:var(--dark);border-color:var(--on-dark)}
.btn-invert:hover{background:#fff;color:#000}
.btn-invert-line{background:transparent;color:var(--on-dark);border-color:var(--on-dark)}
.btn-invert-line:hover{background:rgba(255,255,255,.08)}
.partner-row{display:flex;gap:22px;align-items:center;margin-top:44px;opacity:.8}
.partner-row img{filter:invert(1) grayscale(1) brightness(1.5)}

/* ---------- footer ---------- */
.footer{border-top:1px solid var(--grid);background:var(--ground)}
.foot-grid{max-width:var(--maxw);margin:0 auto;padding:44px 24px;display:grid;
  grid-template-columns:auto minmax(0,1fr);gap:10px 22px;align-items:center}
.seal{width:72px;height:72px;border-radius:50%;transition:transform .3s ease}
.seal:hover{transform:rotate(8deg)}
.seal-ring{stroke:var(--ink);stroke-width:1.6}
.seal-ring.thin{stroke-width:.8;stroke-dasharray:2 3}
.seal-cat{fill:var(--ink)}
.seal-eye{fill:var(--ground)}
.seal-ears{stroke:var(--ink);stroke-width:1.6}
.motto{margin:0;font-size:12px;letter-spacing:.14em}
.odometer{margin:4px 0 0;font-size:12px;letter-spacing:.1em;color:var(--ink2)}
.disclaimer{grid-column:1 / -1;font-size:12.5px;color:var(--ink2);max-width:820px;margin:14px 0 0}

/* ---------- 404 ---------- */
.err-page{min-height:100vh;display:flex;flex-direction:column;align-items:center;
  justify-content:center;gap:14px;text-align:center;padding:24px}
.err-page .display{font-size:clamp(40px,8vw,90px)}
.err-code{font-size:13px;letter-spacing:.2em;color:var(--ink2)}
.err-puddle{width:180px;height:26px;border-radius:50%;
  background:radial-gradient(closest-side,var(--cat-orange) 58%,transparent 60%)}

/* ---------- fits egg box ---------- */
.fits-box{position:fixed;right:26px;bottom:22px;z-index:90;width:96px;pointer-events:none}
.fits-caption{position:fixed;right:26px;bottom:126px;z-index:90;font-family:var(--mono);
  font-size:11.5px;letter-spacing:.1em;background:var(--panel);border:1px solid var(--ink);
  padding:5px 10px}

/* ---------- responsive ---------- */
@media (max-width:960px){
  .hero-grid{grid-template-columns:minmax(0,1fr)}
  .finding-grid{grid-template-columns:minmax(0,1fr)}
  .nav-links{display:none}
  .burger{display:flex}
}
@media (max-width:560px){
  .section{padding:64px 18px}
  .hero{padding:40px 18px 28px}
  .ca-pill{max-width:100%}
  .ca-pill .mono{font-size:12px;max-width:280px}
  .sheet-row{grid-template-columns:minmax(0,1fr);gap:4px}
  .foot-grid{grid-template-columns:auto minmax(0,1fr)}
  .phase-label{display:none}
  .phase-chip{padding:4px 7px}
}

/* ---------- reduced motion ---------- */
body.reduce-motion *,body.reduce-motion *::before,body.reduce-motion *::after{
  animation-duration:.001s!important;animation-iteration-count:1!important;
  transition-duration:.001s!important}