/* Faces are self-hosted in assets/fonts.css, linked from the document head.
   An @import here would have cost a serial round trip before a single glyph
   could be requested — that was the font flash between pages. */

/* ═══════════════════════════════════════════════════════════════════
   AXOM LABS — "COLD CHAIN"
   These compounds live at −20 °C, desiccated, in the dark. So the brand
   world is suspended matter: a cold void where nothing moves quickly.
   Spectacle in the brand descent; plain daylight in the working pages.
   ═══════════════════════════════════════════════════════════════════ */

:root{
  /* the void */
  --void:#05070E;
  --deep:#0A0F1C;
  --slate:#131A2E;
  --raised:#1B2338;

  /* light on dark */
  --frost:#E9EEF8;
  --mist:#93A3C0;
  --dim:#63718C;

  /* the working surface */
  --paper:#F1F4F9;
  --card:#FFFFFF;
  --ink:#0E1322;
  --ink-2:#3E4864;
  --rule:#DDE3EE;

  /* signal
     #5B5BF5 measures 4.05:1 on the void and 4.67:1 on paper — it FAILS AA as
     text on both. It is a fill only. Text sitting on it is pure #FFF (4.93:1),
     the one sanctioned use of pure white here. Indigo as *text* uses the
     darkened --indigo-lo on light surfaces and --indigo-up on dark. */
  --ice:#7FD4E8;          /* atmosphere + link text on dark (10.9:1) */
  --indigo:#5B5BF5;       /* FILL ONLY */
  --indigo-lo:#4340D6;    /* indigo as text on light (6.8:1) */
  --indigo-up:#9A9BFF;    /* indigo as text on dark (8.1:1) */
  --indigo-glow:rgba(91,91,245,.22);
  --amber:#E8A94E;        /* VERIFIED. reserved. see the whitelist below. */

  --serif:'Instrument Serif',Georgia,serif;
  --sans:'Geist',system-ui,-apple-system,sans-serif;
  --mono:'Geist Mono',ui-monospace,SFMono-Regular,Consolas,monospace;

  /* ── type scale ────────────────────────────────────────────────────
     Ten steps, ~1.2 ratio. Every size on the site resolves to one of these.
     There is no --t-micro below 10px: 7.5px and 9px were in use and neither
     is legible. 10px is permitted ONLY for uppercase mono keys, where the
     tracking carries it; anything set in sentence case starts at --t-xs. */
  --t-key:10px;      /* uppercase tracked mono labels ONLY */
  --t-2xs:11.5px;    /* mono meta, captions, crumbs */
  --t-xs:13px;       /* dense mono data, spec tables */
  --t-sm:14px;       /* secondary body, chips */
  --t-base:15.5px;   /* body */
  --t-md:17px;       /* emphasised body, small lede */
  --t-lg:20px;       /* subhead */
  --t-xl:25px;       /* section head */
  --t-2xl:31px;      /* price, minor display */
  --t-3xl:39px;      /* page head */

  --lh-tight:1.15;
  --lh-snug:1.4;
  --lh-body:1.62;
  --lh-loose:1.75;

  --track-key:.18em;  /* uppercase mono keys */
  --track-eye:.24em;  /* eyebrows */
  --track-tight:-.02em;

  /* ── space scale ───────────────────────────────────────────────────
     4px base. Padding and margin pick a step; nothing is eyeballed. This is
     what stops sections from carrying arbitrary dead air. */
  --s1:4px;   --s2:8px;   --s3:12px;  --s4:16px;  --s5:24px;
  --s6:32px;  --s7:48px;  --s8:64px;  --s9:96px;  --s10:128px;

  /* vertical rhythm for full-bleed sections */
  --band:clamp(var(--s8),9vw,var(--s10));
  --band-tight:clamp(var(--s7),6vw,var(--s9));

  --wrap:1280px;
  --gutter:clamp(20px,4vw,56px);
  --r:10px;
  --r-lg:16px;

  /* one easing for everything that moves */
  --ease:cubic-bezier(.22,.68,.28,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--void);color:var(--frost);
  font-family:var(--sans);font-size:16px;line-height:1.6;font-weight:400;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg,video,canvas{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
p{margin:0}
h1,h2,h3,h4{margin:0;font-weight:400;line-height:1.02;letter-spacing:-.02em}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
/* Anything measurable, citable, or typeable into a form is set in mono with
   tabular figures and a slashed zero — lot numbers, mg, CAS, MW, dates. */
.mono,.price,.rec-grid dd,.rec-no,.spec th,.spec td,.tally .n{
  font-family:var(--mono);
  font-variant-numeric:tabular-nums slashed-zero lining-nums;
  font-feature-settings:'zero' 1;
}
/* never track a lot number or a CAS string */
.rec-no,.rec-grid dd{letter-spacing:0}

/* ── type scale ───────────────────────────────────────────────────── */
.display{font-family:var(--serif);font-weight:400;letter-spacing:-.025em;line-height:.96}
.d1{font-size:clamp(52px,10.5vw,168px)}
.d2{font-size:clamp(38px,6.4vw,94px)}
.d3{font-size:clamp(30px,4.2vw,58px)}
.display em{font-style:italic;color:var(--ice)}

.eyebrow{
  font-family:var(--mono);font-size:11px;font-weight:400;
  letter-spacing:.24em;text-transform:uppercase;color:var(--ice);
}
.eyebrow.on-light{color:var(--indigo-lo)}
.lede{font-size:clamp(16px,1.55vw,20px);line-height:1.62;color:var(--mist);max-width:46ch}
.lede.on-light{color:var(--ink-2)}

/* ── compliance stamp ─────────────────────────────────────────────── */
.stamp{
  position:relative;z-index:60;background:#03050A;
  border-bottom:1px solid rgba(255,255,255,.07);
  font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;
}
.stamp .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:36px}
.stamp .s-left{display:flex;align-items:center;gap:10px;color:var(--mist)}
.stamp b{color:var(--frost);font-weight:500}
.stamp .pip{width:5px;height:5px;border-radius:50%;background:var(--amber);box-shadow:0 0 8px var(--amber);flex:none}
.stamp .s-right{color:var(--dim)}
@media(max-width:760px){.stamp .s-right{display:none}.stamp{font-size:9px}}

/* ── nav ──────────────────────────────────────────────────────────── */
.nav{
  position:sticky;top:0;z-index:55;
  background:rgba(5,7,14,.62);backdrop-filter:blur(18px) saturate(160%);
  border-bottom:1px solid rgba(255,255,255,.07);
  transition:background .4s var(--ease),border-color .4s var(--ease);
}
.nav .wrap{display:flex;align-items:center;gap:34px;height:104px}
/* The logo is a vertical lockup drawn dark-on-white with no alpha, and auto
   cutouts shred the thin wordmark strokes. So it sits on a white plate —
   which is exactly how it appears on the vial label. The brand mark and the
   product read as the same object. */
.brand{display:inline-flex;align-items:center;flex:none;background:#fff;border-radius:11px;
  padding:4px 14px;box-shadow:0 6px 22px -10px rgba(0,0,0,.6);transition:transform .3s var(--ease-out)}
.brand:hover{transform:translateY(-1px)}
.nav-logo{height:62px;width:auto;display:block}
.nav-links{display:flex;gap:32px;margin-left:8px}
.nav-links a{
  position:relative;font-family:var(--sans);font-size:15px;font-weight:500;letter-spacing:-.005em;
  color:var(--mist);padding:8px 0;transition:color .25s var(--ease);
}
.nav-links a:hover,.nav-links a.active{color:var(--frost)}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:1px;background:var(--ice);
  transform:scaleX(0);transform-origin:left;transition:transform .38s var(--ease-out);
}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;background:none;border:1px solid rgba(255,255,255,.16);border-radius:8px;width:42px;height:38px;cursor:pointer}

.cart-btn{
  display:inline-flex;align-items:center;gap:9px;cursor:pointer;
  font-family:var(--sans);font-size:14.5px;font-weight:500;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  color:var(--frost);border-radius:100px;padding:11px 19px;
  transition:background .25s var(--ease),border-color .25s var(--ease);
}
.cart-btn:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.3)}
.cart-btn .count{
  min-width:19px;height:19px;display:grid;place-items:center;border-radius:100px;
  background:var(--indigo);color:#fff;font-size:10.5px;font-weight:600;padding:0 5px;
}
@media(max-width:900px){
  .nav .wrap{height:82px}
  .nav-logo{height:46px}
  .brand{padding:7px 12px}
  .nav-links{
    display:none;position:absolute;top:82px;left:0;right:0;flex-direction:column;gap:0;
    background:var(--deep);border-bottom:1px solid rgba(255,255,255,.1);padding:8px var(--gutter) 18px;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:15px 0;border-bottom:1px solid rgba(255,255,255,.07)}
  .nav-toggle{display:block}
}

/* light-surface nav (catalog, datasheet, docs) */
.nav.on-light{background:rgba(241,244,249,.78);border-bottom-color:var(--rule)}
.nav.on-light .brand{background:transparent;box-shadow:none;padding:0}
.nav.on-light .nav-links a{color:var(--ink-2)}
.nav.on-light .nav-links a:hover,.nav.on-light .nav-links a.active{color:var(--ink)}
.nav.on-light .nav-links a::after{background:var(--indigo)}
.nav.on-light .cart-btn{background:var(--ink);border-color:var(--ink);color:#fff}
.nav.on-light .cart-btn:hover{background:var(--indigo);border-color:var(--indigo)}
.nav.on-light .nav-toggle{border-color:var(--rule)}
@media(max-width:900px){.nav.on-light .nav-links{background:var(--card);border-bottom-color:var(--rule)}
  .nav.on-light .nav-links a{border-bottom-color:var(--rule)}}

/* ── buttons ──────────────────────────────────────────────────────── */
.btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--sans);font-size:14.5px;font-weight:500;letter-spacing:-.005em;
  padding:14px 26px;border-radius:100px;border:1px solid transparent;cursor:pointer;
  transition:transform .3s var(--ease-out),background .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease);
  will-change:transform;
}
.btn .arr{display:inline-block;transition:transform .3s var(--ease-out)}
.btn:hover .arr{transform:translateX(4px)}
.btn-primary{background:var(--indigo);color:#fff;box-shadow:0 8px 30px -10px var(--indigo-glow)}
.btn-primary:hover{background:var(--indigo-lo)}
.btn-line{background:transparent;color:var(--frost);border-color:rgba(255,255,255,.22)}
.btn-line:hover{border-color:var(--frost);background:rgba(255,255,255,.06)}
.btn-line.on-light{color:var(--ink);border-color:var(--rule)}
.btn-line.on-light:hover{border-color:var(--ink);background:rgba(14,19,34,.04)}
.btn-solid{background:var(--ink);color:#fff}
.btn-solid:hover{background:var(--indigo)}
.btn-block{width:100%}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none!important}

/* ═══ THE DESCENT — homepage cinematic ═══════════════════════════════ */

/* Height is capped rather than a bare 100svh. At 100svh on a tall display the
   582px copy block sat centred in 1253px — 670px of nothing, over half the
   section, which read as dead scroll rather than as space. 880px keeps the
   full-viewport feel on a laptop and stops the void growing without limit. */
.hero{position:relative;min-height:min(100svh,880px);display:flex;align-items:center;overflow:hidden;isolation:isolate}
#field{position:absolute;inset:0;width:100%;height:100%;z-index:0;opacity:.9}
/* The plate fills the whole hero rather than hugging the right edge, so wide
   screens do not open a dead void beside the headline. */
.hero-plate{
  position:absolute;inset:0;z-index:1;
  background:url('atmos/hero-cryo.png') 68% center/cover no-repeat;
  opacity:.92;
}
.hero-veil{
  position:absolute;inset:0;z-index:2;
  background:
    linear-gradient(96deg,var(--void) 0%,rgba(5,7,14,.94) 26%,rgba(5,7,14,.6) 46%,transparent 66%),
    linear-gradient(180deg,rgba(5,7,14,.8) 0%,transparent 26%,transparent 62%,rgba(5,7,14,.85) 100%);
}
/* the hero runs to the gutter, not the centred column */
.hero .wrap{position:relative;z-index:3;width:100%;max-width:1680px;padding-top:var(--s8);padding-bottom:var(--s8)}
/* 720px inside 2545px of gutter-to-gutter width left the copy on 28% of a
   large monitor. It scales with the viewport now instead of hard-capping. */
.hero-copy{max-width:min(880px,54vw)}
@media(max-width:900px){
  .hero-copy{max-width:none}
  .hero-plate{background-position:60% center;opacity:.72}
  .hero-veil{background:linear-gradient(180deg,rgba(5,7,14,.86) 0%,rgba(5,7,14,.72) 40%,rgba(5,7,14,.95) 100%)}
}
.hero .eyebrow{display:block;margin-bottom:var(--s5)}
.hero h1{margin-bottom:var(--s5)}
.hero .lede{margin-bottom:var(--s6)}
.hero-cta{display:flex;gap:var(--s3);flex-wrap:wrap;margin-bottom:var(--s6)}

/* ── the lot field, above the fold ─────────────────────────────────────
   Every serious vendor in this category claims per-lot testing and none of
   them lets you check one. Measured competitor disclaimers and COA links sit
   at 68–98% of page depth. Putting the lookup in the hero is the whole
   differentiator, so it cannot live four sections down.

   This one navigates to coa.html?lot= rather than resolving inline: it must
   not share the .lookup class, because app.js binds the example-lot buttons
   and the ?lot= deep link to document.querySelector('.lookup') — the first
   match in the DOM — and a hero form would silently steal both. */
.hero-verify{border-top:1px solid rgba(255,255,255,.12);padding-top:var(--s5);max-width:520px}
.hero-verify .hv-k{
  display:block;font-family:var(--mono);font-size:var(--t-key);
  letter-spacing:var(--track-key);text-transform:uppercase;color:var(--ice);margin-bottom:var(--s3);
}
.hv-row{display:flex;gap:var(--s2)}
.hv-row input{
  flex:1;min-width:0;font-family:var(--mono);font-size:var(--t-sm);
  font-variant-numeric:tabular-nums slashed-zero;letter-spacing:0;
  padding:var(--s3) var(--s4);border-radius:100px;color:var(--frost);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.2);
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.hv-row input::placeholder{color:var(--dim);letter-spacing:.04em}
.hv-row input:focus{outline:none;border-color:var(--ice);background:rgba(255,255,255,.1);box-shadow:0 0 0 3px rgba(127,212,232,.18)}
.hv-row button{flex:none;cursor:pointer}
.hv-note{font-family:var(--mono);font-size:var(--t-2xs);color:var(--dim);margin:var(--s3) 0 0}
@media(max-width:520px){.hv-row{flex-direction:column}.hv-row button{width:100%}}

/* scroll cue */
.cue{
  position:absolute;left:var(--gutter);bottom:38px;z-index:3;display:flex;align-items:center;gap:13px;
  font-family:var(--mono);font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:var(--dim);
}
.cue .rail{position:relative;width:1px;height:46px;background:rgba(255,255,255,.16);overflow:hidden}
.cue .rail::after{
  content:"";position:absolute;top:-46px;left:0;width:1px;height:46px;
  background:linear-gradient(180deg,transparent,var(--ice));animation:cueRun 2.6s var(--ease) infinite;
}
@keyframes cueRun{to{top:46px}}

/* per-word reveal */
.rise{display:inline-block;overflow:hidden;vertical-align:bottom}
.rise>span{display:inline-block;transform:translateY(105%);opacity:0}
.lift.in .rise>span{animation:riseUp .95s var(--ease-out) forwards}
@keyframes riseUp{to{transform:translateY(0);opacity:1}}

/* generic scroll reveal */
.rv{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease-out),transform .9s var(--ease-out)}
.rv.in{opacity:1;transform:none}

/* ── chapter markers ──────────────────────────────────────────────── */
.chapter{position:relative;padding:clamp(72px,9vw,124px) 0}
.chapter-head{max-width:720px;margin-bottom:clamp(44px,6vw,74px)}
.chapter-head .eyebrow{display:block;margin-bottom:20px}
.chapter-head h2{margin-bottom:22px}
.ch-no{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.2em;color:var(--dim);
  display:flex;align-items:center;gap:12px;margin-bottom:18px;
}
.ch-no::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,rgba(255,255,255,.18),transparent);max-width:220px}

/* ── specimen: pointer-tilted vial ────────────────────────────────── */
.specimen{display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(32px,5vw,72px);align-items:center}
.spec-stage{position:relative;perspective:1400px;display:grid;place-items:center;min-height:clamp(420px,54vw,680px)}
.spec-stage::before{
  content:"";position:absolute;width:72%;aspect-ratio:1;border-radius:50%;
  background:radial-gradient(circle,rgba(127,212,232,.2),transparent 66%);filter:blur(44px);
}
.spec-vial{
  position:relative;max-height:clamp(380px,52vw,660px);width:auto;
  transform-style:preserve-3d;transition:transform .5s var(--ease-out);
  filter:drop-shadow(0 42px 60px rgba(0,0,0,.72));will-change:transform;
}
.spec-readout{
  position:absolute;right:-4%;bottom:2%;background:rgba(10,15,28,.9);backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.13);border-radius:var(--r);padding:16px 18px;min-width:218px;
  box-shadow:0 24px 50px -24px rgba(0,0,0,.8);
}
@media(max-width:1180px){.spec-readout{right:0}}
.spec-readout .r-k{font-family:var(--mono);font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--dim)}
.spec-readout .r-row{display:flex;justify-content:space-between;gap:22px;font-family:var(--mono);font-size:12px;padding:5px 0;color:var(--mist)}
.spec-readout .r-row b{color:var(--frost);font-weight:500}
.spec-readout .r-foot{
  margin-top:10px;padding-top:10px;border-top:1px solid rgba(255,255,255,.1);
  font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:var(--amber);
}
@media(max-width:900px){.specimen{grid-template-columns:1fr}.spec-readout{position:static;margin-top:26px}}

/* facts list */
.facts{list-style:none;padding:0;margin:34px 0 0;display:flex;flex-direction:column}
.facts li{display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:baseline;padding:17px 0;border-top:1px solid rgba(255,255,255,.09)}
.facts li:last-child{border-bottom:1px solid rgba(255,255,255,.09)}
.facts .f-k{font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--dim);min-width:98px}
.facts .f-v{color:var(--frost);font-size:15.5px}
.facts .f-v small{display:block;color:var(--mist);font-size:13.5px;margin-top:3px;line-height:1.55}

/* ── full-bleed cinematic band ────────────────────────────────────── */
.bleed{position:relative;min-height:88svh;display:flex;align-items:flex-end;overflow:hidden}
.bleed-media{position:absolute;inset:0;z-index:0}
.bleed-media img,.bleed-media video{width:100%;height:100%;object-fit:cover;transform:scale(1.08);will-change:transform}
/* Text sits over photography here, so the scrim has to guarantee legibility at
   the brightest part of the frame — not merely darken the edges. */
.bleed::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(180deg,rgba(5,7,14,.7) 0%,transparent 30%,rgba(5,7,14,.86) 74%,rgba(5,7,14,.96) 100%),
    linear-gradient(90deg,rgba(5,7,14,.8) 0%,rgba(5,7,14,.45) 42%,transparent 68%);
}
.bleed .ch-no{color:var(--mist)}
.bleed .lede{color:#C4CEE0}
.bleed .wrap{position:relative;z-index:2;padding-bottom:clamp(56px,8vw,110px);padding-top:clamp(80px,12vw,150px)}
.bleed-copy{max-width:620px}
.bleed h2{margin-bottom:20px}

/* counter */
.tally{display:flex;align-items:baseline;gap:16px;margin-bottom:24px}
.tally .n{font-family:var(--serif);font-size:clamp(56px,9vw,124px);line-height:.86;color:var(--frost);font-variant-numeric:tabular-nums}
.tally .u{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--ice);max-width:150px;line-height:1.6}

/* ── the assay: scroll-scrubbed chromatogram ──────────────────────── */
.assay{position:relative;background:var(--deep);border-top:1px solid rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.08)}
.assay-sticky{position:sticky;top:0;min-height:100svh;display:flex;flex-direction:column;justify-content:center;padding:88px 0;overflow:hidden}
.assay-grid{
  position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:60px 42px;
  mask-image:radial-gradient(120% 78% at 50% 50%,#000 34%,transparent 82%);
}
.assay-plot{position:relative;width:100%;height:clamp(220px,34vw,380px);margin-top:44px}
.assay-plot svg{width:100%;height:100%;overflow:visible}
.assay-line{fill:none;stroke:var(--ice);stroke-width:1.75;filter:drop-shadow(0 0 10px rgba(127,212,232,.55))}
.assay-fill{fill:url(#assayGrad);opacity:.55}
.assay-axis{stroke:rgba(255,255,255,.16);stroke-width:1}
.assay-tick{font-family:var(--mono);font-size:9px;fill:var(--dim);letter-spacing:.1em}
.assay-head{position:relative;display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap}
.assay-run{display:flex;align-items:center;gap:9px;font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--amber)}
.assay-run .pulse{width:6px;height:6px;border-radius:50%;background:var(--amber);animation:pulse 2s var(--ease) infinite}
@keyframes pulse{0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(232,169,78,.45)}50%{opacity:.45;box-shadow:0 0 0 7px rgba(232,169,78,0)}}
.assay-prog{font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;color:var(--dim)}

/* ── verify: the interactive proof ────────────────────────────────── */
.verify{position:relative;background:var(--void)}
.verify-card{
  position:relative;background:linear-gradient(168deg,var(--slate),var(--deep));
  border:1px solid rgba(255,255,255,.1);border-radius:var(--r-lg);
  padding:clamp(28px,4.6vw,60px);overflow:hidden;
}
.verify-card::before{
  content:"";position:absolute;top:-40%;right:-14%;width:56%;aspect-ratio:1;border-radius:50%;
  background:radial-gradient(circle,var(--indigo-glow),transparent 68%);pointer-events:none;
}
.verify-inner{position:relative;display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(28px,4.4vw,60px);align-items:start}
@media(max-width:880px){.verify-inner{grid-template-columns:1fr}}

.lookup{display:block}
.lookup label{display:block;font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--ice);margin-bottom:12px}
.lookup-row{display:flex;gap:10px}
.lookup input{
  flex:1;min-width:0;background:rgba(5,7,14,.62);border:1px solid rgba(255,255,255,.16);
  border-radius:100px;color:var(--frost);font-family:var(--mono);font-size:15px;
  padding:14px 20px;outline:none;transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.lookup input::placeholder{color:var(--dim)}
.lookup input:focus{border-color:var(--indigo);box-shadow:0 0 0 4px var(--indigo-glow)}
.lookup-result{margin-top:18px;font-family:var(--mono);font-size:13px}
.lookup-result:empty{display:none}
.lookup-result.err{color:var(--amber)}
.eg{display:flex;gap:7px;flex-wrap:wrap;margin-top:16px;align-items:center}
.eg span{font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--dim)}
.eg button{
  font-family:var(--mono);font-size:11.5px;color:var(--ice);cursor:pointer;
  background:rgba(127,212,232,.1);border:1px solid rgba(127,212,232,.28);border-radius:100px;padding:4px 12px;
  transition:background .22s var(--ease);
}
.eg button:hover{background:rgba(127,212,232,.2)}

/* the record card */
.rec{border:1px solid rgba(255,255,255,.13);border-radius:var(--r);overflow:hidden;background:rgba(5,7,14,.5);animation:recIn .6s var(--ease-out)}
@keyframes recIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.rec-head{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:13px 18px;background:rgba(255,255,255,.05);border-bottom:1px solid rgba(255,255,255,.1);font-family:var(--mono);font-size:11px;letter-spacing:.1em}
.rec-ok{color:var(--amber);font-weight:600;display:flex;align-items:center;gap:7px}
.rec-ok .pip{width:6px;height:6px;border-radius:50%;background:var(--amber);box-shadow:0 0 8px var(--amber)}
.rec-no{color:var(--dim)}
.rec-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:rgba(255,255,255,.09);margin:0}
.rec-grid>div{background:var(--deep);padding:13px 18px}
.rec-grid dt{font-family:var(--mono);font-size:9px;letter-spacing:.16em;text-transform:uppercase;color:var(--dim)}
.rec-grid dd{margin:4px 0 0;font-family:var(--mono);font-size:13px;color:var(--frost)}
.rec-grid dd.hi{color:var(--ice)}
.rec-link{display:flex;align-items:center;justify-content:space-between;padding:13px 18px;border-top:1px solid rgba(255,255,255,.1);font-family:var(--mono);font-size:11.5px;color:var(--ice)}
.rec-link:hover{background:rgba(255,255,255,.04)}
@media(max-width:560px){.rec-grid{grid-template-columns:1fr}}

/* ── compound classes ─────────────────────────────────────────────── */
.classes{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:900px){.classes{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.classes{grid-template-columns:1fr}}
.cls{
  position:relative;display:block;padding:26px 24px 62px;border-radius:var(--r);
  background:rgba(255,255,255,.035);border:1px solid rgba(255,255,255,.09);overflow:hidden;
  transition:background .35s var(--ease),border-color .35s var(--ease),transform .45s var(--ease-out);
}
.cls:hover{background:rgba(255,255,255,.07);border-color:rgba(127,212,232,.4);transform:translateY(-3px)}
.cls .c-k{font-family:var(--mono);font-size:9.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--dim)}
.cls h3{font-family:var(--serif);font-size:29px;margin:12px 0 10px;color:var(--frost)}
.cls .c-list{font-family:var(--mono);font-size:12px;color:var(--mist);line-height:1.7}
.cls .c-go{position:absolute;left:24px;bottom:22px;font-family:var(--mono);font-size:11px;color:var(--ice);transition:transform .32s var(--ease-out)}
.cls:hover .c-go{transform:translateX(5px)}

/* ═══ WORKING SURFACE — catalog, datasheet, docs ═════════════════════ */
.surface{background:var(--paper);color:var(--ink)}
.surface h1,.surface h2,.surface h3{color:var(--ink)}
.page-head{background:var(--void);padding:clamp(56px,8vw,104px) 0 clamp(44px,6vw,72px);position:relative;overflow:hidden}
.page-head::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(90% 120% at 82% 0%,rgba(91,91,245,.2),transparent 62%);pointer-events:none;
}
.page-head .wrap{position:relative;z-index:1}
.page-head .eyebrow{display:block;margin-bottom:18px}
/* The page head is dark even on a .surface page, so it must win over the
   working-surface text colours rather than inherit them. */
.page-head h1,.surface .page-head h1{margin-bottom:16px;color:var(--frost)}
.page-head .lede,.surface .page-head .lede{color:var(--mist)}
.page-head a{color:var(--ice)}

.section{padding:clamp(48px,6vw,84px) 0}
.section-head{max-width:680px;margin-bottom:clamp(28px,4vw,48px)}
.section-head .eyebrow{display:block;margin-bottom:14px}
.section-head h2{margin-bottom:14px}

/* ── product grid ─────────────────────────────────────────────────── */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media(max-width:1180px){.grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:820px){.grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:460px){.grid{grid-template-columns:1fr}}
@media(min-width:1600px){.grid{grid-template-columns:repeat(5,1fr)}}

.card{
  position:relative;cursor:pointer;background:var(--card);border:1px solid var(--rule);
  border-radius:var(--r);display:flex;flex-direction:column;overflow:hidden;
  transition:transform .4s var(--ease-out),box-shadow .4s var(--ease),border-color .3s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:#C3C9E8;box-shadow:0 22px 48px -22px rgba(14,19,34,.3)}
.card-top{
  position:relative;min-height:180px;display:grid;place-items:center;padding:22px 18px 6px;
  background:radial-gradient(110% 80% at 50% 16%,rgba(91,91,245,.07),transparent 64%),var(--card);
  pointer-events:none;
}
.vialmark{
  height:158px;width:auto;max-width:100%;object-fit:contain;mix-blend-mode:multiply;
  filter:drop-shadow(0 12px 18px rgba(14,19,34,.14));
  transition:transform .5s var(--ease-out);
}
.card:hover .vialmark{transform:translateY(-5px) scale(1.045)}
.card-body{padding:4px 18px 18px;display:flex;flex-direction:column;gap:11px;flex:1}
.cat-tag{font-family:var(--mono);font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-2);pointer-events:none}
.card h3{font-family:var(--sans);font-size:17.5px;font-weight:600;letter-spacing:-.015em}
.card h3 a::after{content:"";position:absolute;inset:0;z-index:1}
.card:hover h3 a{color:var(--indigo)}

.sizes{display:flex;gap:7px;flex-wrap:wrap;align-items:center;position:relative;z-index:2}
.chip{
  font-family:var(--mono);font-size:11px;font-weight:500;color:var(--ink-2);cursor:pointer;
  background:var(--paper);border:1px solid var(--rule);border-radius:100px;padding:5px 12px;line-height:1.2;
  transition:all .22s var(--ease);
}
.chip:hover{border-color:var(--indigo);color:var(--indigo)}
.chip.on{background:var(--indigo);border-color:var(--indigo);color:#fff;font-weight:600;font-size:12.5px;padding:7px 15px;box-shadow:0 0 0 3px var(--indigo-glow)}
.chip.on:hover{background:var(--indigo-lo);border-color:var(--indigo-lo);color:#fff}
.chip.solo{cursor:default;background:var(--paper);border-color:var(--rule);color:var(--ink-2);font-weight:500;font-size:11px;padding:5px 12px;box-shadow:none}

.card-foot{margin-top:auto;display:flex;align-items:flex-end;justify-content:space-between;gap:12px;padding-top:13px;border-top:1px solid var(--rule)}
.price{font-family:var(--mono);font-size:19px;font-weight:600;font-variant-numeric:tabular-nums;pointer-events:none}
.price small{color:var(--ink-2);font-size:11px;font-weight:400}
.add{
  position:relative;z-index:2;flex:none;width:40px;height:40px;border-radius:100px;cursor:pointer;
  background:var(--ink);color:#fff;border:none;font-size:19px;line-height:1;
  transition:transform .28s var(--ease-out),background .25s var(--ease);
}
.add:hover{background:var(--indigo);transform:scale(1.09)}
.add:active{transform:scale(.95)}

/* ── catalog toolbar ──────────────────────────────────────────────── */
.toolbar{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;margin-bottom:30px}
.filters{display:flex;gap:7px;flex-wrap:wrap}
.f-chip{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;color:var(--ink-2);cursor:pointer;
  background:var(--card);border:1px solid var(--rule);border-radius:100px;padding:9px 16px;
  transition:all .22s var(--ease);
}
.f-chip:hover{border-color:var(--indigo);color:var(--indigo)}
.f-chip.active{background:var(--ink);border-color:var(--ink);color:#fff}
.tools{display:flex;align-items:center;gap:14px;margin-left:auto}
.search{
  font-family:var(--mono);font-size:12.5px;padding:11px 17px;border:1px solid var(--rule);
  border-radius:100px;background:var(--card);width:250px;color:var(--ink);
}
.search:focus{outline:none;border-color:var(--indigo);box-shadow:0 0 0 3px var(--indigo-glow)}
.sort-wrap{display:flex;align-items:center;gap:8px;font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-2)}
.sort{font-family:var(--mono);font-size:12.5px;padding:10px 13px;border:1px solid var(--rule);border-radius:100px;background:var(--card);color:var(--ink);cursor:pointer}
.sort:focus{outline:none;border-color:var(--indigo)}
.count{font-family:var(--mono);font-size:11.5px;color:var(--ink-2);white-space:nowrap}
.empty{font-family:var(--mono);font-size:14px;color:var(--ink-2);text-align:center;padding:64px 0}
.linkish{background:none;border:none;color:var(--indigo);font-family:var(--mono);font-size:14px;cursor:pointer;text-decoration:underline;padding:0}
@media(max-width:760px){.tools{width:100%;margin-left:0}.search{flex:1;width:auto}}

/* ── cart drawer ──────────────────────────────────────────────────── */
.scrim{position:fixed;inset:0;background:rgba(5,7,14,.66);backdrop-filter:blur(5px);opacity:0;pointer-events:none;transition:opacity .38s var(--ease);z-index:100}
.scrim.open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(430px,94vw);z-index:101;
  background:var(--card);color:var(--ink);display:flex;flex-direction:column;
  transform:translateX(101%);transition:transform .5s var(--ease-out);box-shadow:-30px 0 70px -30px rgba(0,0,0,.5);
}
.drawer.open{transform:none}
.drawer-head{display:flex;justify-content:space-between;align-items:center;padding:22px;border-bottom:1px solid var(--rule)}
.drawer-head h3{font-family:var(--sans);font-size:16px;font-weight:600;letter-spacing:.02em}
.drawer-head button{background:none;border:none;font-size:25px;cursor:pointer;color:var(--ink-2);line-height:1}
.drawer-body{flex:1;overflow-y:auto;padding:8px 22px}
.ci{display:flex;justify-content:space-between;gap:14px;padding:16px 0;border-bottom:1px solid var(--rule)}
.ci-name{font-weight:600;font-size:15px}
.ci-meta{font-family:var(--mono);font-size:11.5px;color:var(--ink-2);margin-top:3px}
/* The research-use line carries legal weight, so it is set at readable size
   and full text contrast — never micro-caps, never a muted grey. */
.ci-ruo{font-size:12px;font-weight:500;color:var(--ink);margin-top:7px;line-height:1.45}
.ci-price{font-family:var(--mono);font-weight:600;font-variant-numeric:tabular-nums}
.ci-rm{background:none;border:none;color:var(--ink-2);cursor:pointer;font-size:11px;font-family:var(--mono);padding:0;margin-top:6px;text-decoration:underline}
.cart-empty{color:var(--ink-2);font-family:var(--mono);font-size:13.5px;text-align:center;padding:64px 12px;line-height:1.9}
.cart-empty::before{content:"⌀";display:block;font-size:32px;color:var(--rule);margin-bottom:10px}
.drawer-foot{padding:22px;border-top:1px solid var(--rule)}
.drawer-total{display:flex;justify-content:space-between;font-family:var(--mono);font-size:17px;font-weight:600;margin-bottom:16px;font-variant-numeric:tabular-nums}
.attest{display:flex;gap:11px;align-items:flex-start;font-size:12px;line-height:1.6;color:var(--ink-2);background:var(--paper);border:1px solid var(--rule);border-radius:10px;padding:13px;margin-bottom:13px;cursor:pointer}
.attest input{margin-top:2px;accent-color:var(--indigo);width:16px;height:16px;flex:none;cursor:pointer}
.checkout-note{font-family:var(--mono);font-size:10.5px;color:var(--ink-2);text-align:center;margin-top:11px;line-height:1.7}

/* ── entry gate ───────────────────────────────────────────────────── */
.gate{position:fixed;inset:0;z-index:300;background:rgba(3,5,10,.86);backdrop-filter:blur(10px);display:grid;place-items:center;padding:24px;animation:fade .4s var(--ease)}
@keyframes fade{from{opacity:0}to{opacity:1}}
.gate-card{background:linear-gradient(168deg,var(--slate),var(--deep));border:1px solid rgba(255,255,255,.12);border-radius:var(--r-lg);max-width:540px;width:100%;padding:clamp(26px,4vw,40px);max-height:92svh;overflow-y:auto}
.gate-stamp{font-family:var(--mono);font-size:9px;letter-spacing:.22em;text-transform:uppercase;color:var(--ice);border-top:1px solid var(--ice);padding-top:11px;margin-bottom:22px}
.gate-card h2{font-family:var(--serif);font-size:34px;margin-bottom:14px}
.gate-card p{color:var(--mist);font-size:14.5px;margin-bottom:20px}
.gate-list{list-style:none;padding:0;margin:0 0 26px;display:flex;flex-direction:column;gap:11px}
.gate-list li{position:relative;padding-left:26px;font-size:14px;color:var(--frost);line-height:1.55}
.gate-list li::before{content:"";position:absolute;left:0;top:7px;width:9px;height:9px;border:1px solid var(--ice);border-radius:2px}
.gate-actions{display:flex;gap:10px;flex-wrap:wrap}
.gate-actions .btn{flex:1;min-width:150px}
.gate-fine{font-family:var(--mono);font-size:10px;color:var(--dim);margin-top:18px;text-align:center}

/* ── footer ───────────────────────────────────────────────────────── */
.foot{background:var(--void);color:var(--mist);border-top:1px solid rgba(255,255,255,.08);padding:clamp(52px,7vw,84px) 0 32px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
@media(max-width:860px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.foot-grid{grid-template-columns:1fr}}
.foot-brand{display:inline-flex;background:#fff;border-radius:11px;padding:4px 14px;margin-bottom:20px}
.foot-logo{height:56px;width:auto;display:block}
.foot .about{font-size:13.5px;max-width:34ch;line-height:1.75}
.foot h4{font-family:var(--mono);font-size:9.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--dim);margin:0 0 16px;font-weight:400}
.foot ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:11px;font-size:14px}
.foot ul a{transition:color .22s var(--ease)}
.foot ul a:hover{color:var(--ice)}
.ruo-block{margin-top:46px;padding-top:26px;border-top:1px solid rgba(255,255,255,.08);font-family:var(--mono);font-size:11px;color:var(--dim);line-height:1.9;max-width:96ch}
.ruo-block strong{color:var(--mist)}
.foot-base{display:flex;justify-content:space-between;gap:16px;margin-top:26px;font-family:var(--mono);font-size:11px;color:var(--dim);flex-wrap:wrap}

/* ── scroll progress ──────────────────────────────────────────────── */
.trace{position:fixed;top:0;left:0;right:0;height:2px;z-index:200;pointer-events:none}
.trace-bar{height:100%;width:0;background:linear-gradient(90deg,var(--indigo),var(--ice));position:relative;transition:width .1s linear}
.trace-bar::after{content:"";position:absolute;right:-2px;top:50%;transform:translateY(-50%);width:6px;height:6px;border-radius:50%;background:var(--ice);box-shadow:0 0 10px 2px rgba(127,212,232,.8)}

/* ── a11y ─────────────────────────────────────────────────────────── */
:focus-visible{outline:2px solid var(--ice);outline-offset:3px;border-radius:4px}
/* The drawer and the light nav are body children, not .surface descendants,
   so scoping focus to .surface left them at ~1.7:1 on white. */
.surface :focus-visible,.nav.on-light :focus-visible,.drawer :focus-visible{outline-color:var(--indigo-lo)}
/* A drawer hidden only by transform keeps every control in the tab order. */
.drawer{visibility:hidden;transition:transform .5s var(--ease-out),visibility 0s linear .5s}
.drawer.open{visibility:visible;transition:transform .5s var(--ease-out)}
.skip{position:absolute;left:-9999px;top:0;z-index:400;background:var(--indigo);color:#fff;padding:12px 20px;border-radius:0 0 8px 0}
.skip:focus{left:0}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .rv{opacity:1;transform:none}
  .rise>span{transform:none;opacity:1}
  .bleed-media img,.bleed-media video{transform:none}
  #field,.cue{display:none}
}