:root{
  /* ==========================================================================
     Palette ported from the peptides-research build (its own CSS custom
     properties, read off the live stylesheet). That build already solved the
     two complaints about v2 — too blue, no contrast — by desaturating the
     accent and letting near-black type on white carry the range. Adopted
     wholesale; the brand blue from the vial label is kept for the logotype
     and primary action only.
     ========================================================================== */
  --paper:#ffffff;
  --mist:#f2f7fc;           /* their --muted */
  --ice:#eef6fc;            /* their --ice */
  --bluewash:#e7f1ff;

  /* — ink ramp — */
  --ink:#0d1826;            /* near-black, cool · 18.0:1 on white */
  --ink-2:#3d4f5e;          /* 7.6:1 on the ice band */
  --ink-3:#5d6d79;          /* 4.8:1 on the ice band — the floor */

  /* — dark anchors: two levels, as they use them — */
  --navy:#153f69;           /* data only — never a background */

  /* CLINICAL: there are no dark sections. The vial artwork is white, glass and
     cold light, so contrast comes from value inside a light range — alternating
     white and pale-ice bands, hairline rules, and near-black type — not from
     dark blocks. --ink-900 survives only for the monogram tile and dark buttons.
     The --on-* names are kept so every rule that referenced them flips at once. */
  --ink-900:#0d1826;
  --ink-800:#17222f;
  --band:#eef3f8;           /* the deep band · replaces every dark section */
  --band-2:#f6f9fc;         /* the shallow band */
  --on-dark:var(--ink);     /* text on a band is ink now */
  --on-dark-2:#5d6d79;
  --on-dark-line:#d7e0e8;

  /* — brand blue, off the vial label. Logotype ".com", links, active state.
       NOT the primary button any more — that is navy now. — */
  --brand:#1645ce;          /* from the supplied wordmark (peptides-wordmark-primary.svg) */
  --brand-600:#1237a8;

  /* — signal: their --signal, ~40% less saturated than v2's #2f7dff.
       Data only: chromatograms, meters, bars, sparklines. — */
  --blue:#2879c7;
  --blue-600:#1f5f9e;
  --blue-deep:#153f69;
  --blue-ice:#bbd9ff;
  --blue-soft:#6aa7ff;

  /* — structure: their --border, a neutral slate hairline — */
  --line:#dfe6ec;
  --line-2:#c6d1db;
  --line-3:rgba(16,30,48,.28);

  --ok:#18a67a;
  --warn:#c9861a;
  --bad:#d94a62;

  /* — radius: 10px base, from their --radius-md. v2 used Lumen's 30px, which
       reads soft; 10px reads like an instrument. — */
  --r-xl:16px; --r-lg:14px; --r-md:10px; --r-sm:8px; --r-xs:6px;

  --shadow-soft:0 18px 50px rgba(21,63,105,.07), 0 2px 6px rgba(21,63,105,.04);
  --shadow-panel:0 10px 32px rgba(21,63,105,.06), inset 0 1px 0 rgba(255,255,255,.9);
  --shadow-blue:0 12px 26px rgba(21,63,105,.18);
  --ease:cubic-bezier(.22,1,.36,1);

  /* — Archivo + Chivo Mono are Warden's faces, and the faces that build uses.
       The serif stays for the logotype only: the vial artwork is a serif
       "Peptides", so the wordmark follows the product, not the website. — */
  --serif:"Playfair Display",Georgia,"Times New Roman",serif;
  --font:"Archivo",-apple-system,"Segoe UI",Helvetica,Arial,sans-serif;
  --mono:"Chivo Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --page:1280px;
  --pad:clamp(16px,4vw,40px);
  --gap:clamp(16px,2.2vw,24px);
}


*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;background:var(--paper);-webkit-text-size-adjust:100%}
body{
  margin:0;color:var(--ink);font-family:var(--font);font-size:15px;line-height:1.6;
  background:var(--paper);
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  overflow-x:clip;
}
h1,h2,h3,h4,h5{margin:0;letter-spacing:-.04em;line-height:1.06;font-weight:600}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:none;padding:0;cursor:pointer}
table{border-collapse:collapse}
::selection{background:var(--blue);color:#fff}

:focus-visible{
  outline:2px solid transparent;outline-offset:2px;
  box-shadow:0 0 0 2px var(--paper),0 0 0 4px var(--blue);border-radius:var(--r-sm);
}

@supports not selector(:focus-visible){
  a:focus,button:focus,input:focus,summary:focus{outline:2px solid var(--blue);outline-offset:2px}
}
html{scrollbar-color:rgba(16,30,48,.28) transparent;scrollbar-width:thin}
@supports selector(::-webkit-scrollbar){
  html{scrollbar-color:auto;scrollbar-width:auto}
  ::-webkit-scrollbar{width:11px;height:11px}
  ::-webkit-scrollbar-track{background:transparent}
  ::-webkit-scrollbar-thumb{background:rgba(16,30,48,.22);border:3px solid var(--paper);background-clip:content-box;border-radius:99px}
  ::-webkit-scrollbar-thumb:hover{background:rgba(16,30,48,.4);background-clip:content-box}
}
.skip{
  position:absolute;left:16px;top:-100px;z-index:200;padding:12px 16px;border-radius:10px;
  background:var(--brand);color:#fff;font:700 12px var(--mono);letter-spacing:.06em;transition:top .2s var(--ease);
}
.skip:focus{top:16px}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ============================================================ PRIMITIVES */
.wrap{width:100%;max-width:var(--page);margin-inline:auto;padding-inline:var(--pad)}
.sec{padding-block:clamp(48px,7vw,96px)}
.sec--tight{padding-block:clamp(36px,5vw,64px)}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.num{font-variant-numeric:tabular-nums}

/* the one atmospheric surface — used for hero + feature panels only, not everywhere */
/* The house ground: studio key light from upper left, cooling toward the
   bottom, exactly as the vials are lit. Gradients only — no grid, no contours. */
.terrain{
  position:relative;overflow:hidden;
  background:
    radial-gradient(78% 52% at 16% -6%, rgba(255,255,255,.96), transparent 66%),
    radial-gradient(64% 44% at 88% 2%, rgba(206,226,246,.5), transparent 70%),
    linear-gradient(180deg,#fcfdff 0%,#f5f9fd 56%,#eef4fa 100%);
}
.terrain::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:42%;pointer-events:none;
  background:
    radial-gradient(52% 100% at 50% 116%, rgba(178,205,234,.42), transparent 72%),
    linear-gradient(180deg, transparent, rgba(255,255,255,.72) 66%, rgba(255,255,255,.9));
}

.terrain>*{position:relative;z-index:1}

/* dark anchor — the contrast the light theme was missing */
.dark{
  color:var(--ink);position:relative;
  background:linear-gradient(180deg,#f2f6fa 0%,var(--band) 100%);
  border-block:1px solid var(--line-2);
}
.dark::before{content:none}
.dark::after{content:none}

.dark>*{position:relative;z-index:1}
.dark h1,.dark h2,.dark h3{color:var(--ink)}
.dark .kicker{color:var(--ink-3)}
.dark .kicker::before{background:linear-gradient(90deg,transparent,var(--brand))}
.dark .sub,.dark p{color:var(--ink-2)}

.kicker{
  display:inline-flex;align-items:center;gap:10px;color:var(--ink-3);
  font:800 11px var(--font);letter-spacing:.13em;text-transform:uppercase;
}
.kicker::before{content:"";width:26px;height:1px;background:linear-gradient(90deg,transparent,var(--blue));flex:none}

.d1{font-size:clamp(40px,7.4vw,106px);line-height:1.015;letter-spacing:-.068em;font-weight:560}
.d2{font-size:clamp(29px,4.2vw,52px);line-height:1.03;letter-spacing:-.05em;font-weight:560}
.h3{font-size:clamp(17px,1.5vw,19px);letter-spacing:-.025em;font-weight:600}
.sub{color:var(--ink-2);font-size:15px;line-height:1.7}
.sm{font-size:13.5px;line-height:1.62;color:var(--ink-2)}
.meta{font:500 11px var(--mono);letter-spacing:.06em;color:var(--ink-3);text-transform:uppercase}

.head{display:flex;flex-wrap:wrap;gap:14px 28px;align-items:flex-end;justify-content:space-between;margin-bottom:clamp(20px,3vw,34px)}
.head h2{margin-top:12px}
.head .sub{margin-top:10px;max-width:56ch}

/* ============================================================ BUTTONS */
.btn{
  min-height:48px;padding:0 20px;border-radius:var(--r-sm);border:1px solid transparent;
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font:700 13.5px var(--font);letter-spacing:-.01em;cursor:pointer;text-align:center;white-space:nowrap;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
}
.btn svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2;flex:none}
.btn--pri{background:var(--navy);color:#fff;box-shadow:0 12px 26px rgba(21,63,105,.22)}
.btn--ghost{background:var(--paper);color:var(--ink);border-color:var(--line-2)}
.btn--dark{background:var(--ink);color:#fff}
.btn--onDark{background:var(--ink);color:#fff}
.btn--onDarkGhost{background:#fff;color:var(--ink);border-color:var(--line-2)}
.btn--block{width:100%}
.btn--sm{min-height:42px;padding:0 14px;font-size:12.5px;border-radius:var(--r-xs)}
.btn[disabled]{opacity:.6;cursor:default}

.lnk{color:var(--brand);font-weight:600;text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(40,121,199,.34)}
.dark .lnk{color:var(--brand)}

.tag{
  display:inline-flex;align-items:center;gap:7px;padding:6px 11px;border-radius:999px;
  border:1px solid var(--line-2);background:var(--paper);
  font:600 10.5px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);white-space:nowrap;
}
.tag--live{color:var(--blue-deep);border-color:rgba(47,125,255,.28);background:rgba(47,125,255,.06)}
.tag--live::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 3px rgba(47,125,255,.16)}
.dark .tag{background:#fff;border-color:var(--line-2);color:var(--ink-3)}
.dark .tag--live{color:var(--brand);border-color:rgba(30,68,220,.3);background:rgba(30,68,220,.06)}

/* ============================================================ UTILITY BAR */
.util{background:var(--band-2);color:var(--ink-3);border-bottom:1px solid var(--line);font:500 11.5px var(--mono);letter-spacing:.04em}
.util__in{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;flex-wrap:wrap}
.util b{color:var(--ink);font-weight:600}
.util__ruo{color:var(--brand);letter-spacing:.09em;text-transform:uppercase;font-weight:600;white-space:nowrap}
.util__short{display:none}
.util__r{display:none;gap:20px}
@media (max-width:639px){
  .util__in{justify-content:center;min-height:34px;flex-wrap:nowrap}
  .util__ruo{font-size:10.5px;letter-spacing:.06em}
  .util__long{display:none}
  .util__short{display:inline}
}

/* ============================================================ HEADER */
.hdr{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.9);backdrop-filter:blur(16px) saturate(150%);-webkit-backdrop-filter:blur(16px) saturate(150%);border-bottom:1px solid var(--line)}
.hdr__in{display:flex;align-items:center;gap:14px;min-height:70px}
.brand{display:flex;align-items:center;flex:none;min-width:0}
.brand--ftr{flex-direction:column;align-items:flex-start;gap:6px}
.mark{
  width:38px;height:38px;border-radius:10px;flex:none;
  display:grid;place-items:center;
  background:linear-gradient(180deg,var(--ink),var(--ink-900));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.14);
  font-family:var(--serif);font-weight:700;font-size:21px;color:#fff;line-height:1;
  padding-bottom:2px;
}
.mark::before{content:"P"}
.logo{display:block;height:32px;width:auto}
.logo__w{fill:var(--ink)}
.logo__d{fill:var(--brand)}
.logo--ftr{height:36px}
.brand__n{display:flex;align-items:flex-end;line-height:.9;font-size:27px}
.brand__n b{font-family:var(--serif);font-weight:700;letter-spacing:-.015em;color:var(--ink)}
.brand__n i{font-style:normal;font-family:var(--font);font-weight:600;font-size:.4em;color:var(--brand);
  letter-spacing:.01em;margin-left:.07em;margin-bottom:.1em}
.dark .brand__n b{color:var(--ink)}
.dark .brand__n i{color:var(--brand)}
.brand__t{font:500 10px var(--mono);letter-spacing:.13em;text-transform:uppercase;color:var(--ink-3);white-space:nowrap}

.nav{display:none;align-items:center;gap:2px;margin-left:8px}
.nav a{padding:9px 12px;border-radius:var(--r-xs);font-size:13.5px;font-weight:600;color:var(--ink-2);transition:.18s var(--ease)}
.nav a[aria-current="page"]{color:var(--ink);background:var(--ice)}

.search{display:none;flex:1;max-width:420px;margin-left:auto;position:relative}
.search input{
  width:100%;min-height:44px;padding:0 40px 0 38px;border-radius:var(--r-sm);
  border:1px solid var(--line-2);background:var(--mist);font-size:13.5px;color:var(--ink);
  transition:.18s var(--ease);
}
.search input::placeholder{color:var(--ink-3)}
.search input:focus{outline:none;border-color:var(--blue);background:var(--paper);box-shadow:0 0 0 3px rgba(47,125,255,.14)}
.search svg{position:absolute;left:13px;top:50%;transform:translateY(-50%);width:15px;height:15px;stroke:var(--ink-3);fill:none;stroke-width:2;pointer-events:none}
.search kbd{position:absolute;right:10px;top:50%;transform:translateY(-50%);font:600 10px var(--mono);color:var(--ink-3);border:1px solid var(--line-2);border-radius:5px;padding:2px 5px;pointer-events:none;transition:opacity .15s var(--ease)}
/* the browser's own clear button lands under the shortcut hint: replace it with ours */
.search input::-webkit-search-cancel-button,.search input::-webkit-search-decoration{-webkit-appearance:none;appearance:none;display:none}
.search input:focus~kbd,.search[data-has="true"] kbd{opacity:0}
.search__clear{position:absolute;right:8px;top:50%;transform:translateY(-50%);width:28px;height:28px;display:none;place-items:center;border-radius:6px;color:var(--ink-3)}
.search__clear svg{width:13px;height:13px;stroke:currentColor;fill:none;stroke-width:2.2;stroke-linecap:round}
.search[data-has="true"] .search__clear{display:grid}
@media (hover:hover) and (pointer:fine){ .search__clear:hover{background:var(--mist);color:var(--ink)} }

.hdr__act{display:flex;align-items:center;gap:8px;margin-left:auto}
.icobtn{
  width:44px;height:44px;display:grid;place-items:center;border-radius:var(--r-xs);
  border:1px solid var(--line-2);background:var(--paper);position:relative;transition:.18s var(--ease);
}
.icobtn svg{width:17px;height:17px;stroke:var(--ink);fill:none;stroke-width:1.8}
.icobtn b{
  position:absolute;top:-6px;right:-6px;min-width:19px;height:19px;padding:0 5px;border-radius:99px;
  background:var(--brand);color:#fff;font:700 10.5px var(--mono);display:grid;place-items:center;
}
.icobtn[data-empty="true"] b{display:none}
.burger{width:44px;height:44px;flex:none;display:grid;place-items:center;border-radius:var(--r-xs);border:1px solid var(--line-2);background:var(--paper)}
.burger svg{width:20px;height:20px;stroke:var(--ink);fill:none;stroke-width:2;stroke-linecap:round;overflow:visible}
.burger svg path{transform-origin:12px 12px;transition:transform .3s var(--ease)}
.burger[aria-expanded="true"] .burger__a{transform:translateY(4px) rotate(45deg)}
.burger[aria-expanded="true"] .burger__b{transform:translateY(-4px) rotate(-45deg)}

.menu{position:fixed;inset:0;z-index:59;height:100dvh;visibility:hidden;background:var(--paper);padding:90px var(--pad) 28px;display:flex;flex-direction:column;overscroll-behavior:contain;overflow-y:auto}
.menu a.mlink{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:58px;padding:0 4px;border-bottom:1px solid var(--line);font-size:20px;font-weight:700;letter-spacing:-.035em}
.menu a.mlink span{font:600 10.5px var(--mono);color:var(--ink-3);letter-spacing:.1em}
.menu__f{margin-top:auto;padding-top:24px;display:grid;gap:10px}

/* ============================================================ CARDS / PANELS */
.panel{background:var(--paper);border:1px solid var(--line-2);border-radius:var(--r-lg)}
.grid{display:grid;gap:var(--gap)}
.split{display:grid;gap:clamp(24px,3.5vw,44px);grid-template-columns:1fr}
.g2{grid-template-columns:1fr}
.g3{grid-template-columns:1fr}
.g4{grid-template-columns:1fr}

/* — product card — */
.pcard{display:flex;flex-direction:column;min-width:0;cursor:pointer;background:var(--paper);border:1px solid var(--line-2);border-radius:var(--r-lg);overflow:hidden;transition:border-color .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease)}
.pcard__media{display:block;position:relative;aspect-ratio:1/1;display:grid;place-items:center;border-bottom:1px solid var(--line);overflow:hidden;
  background:radial-gradient(circle at 50% 18%,#fff,transparent 46%),linear-gradient(180deg,#f4f8fd,#e6eef8)}
.pcard__flag{position:absolute;top:12px;left:12px}
.pcard__body{padding:16px;display:flex;flex-direction:column;flex:1;min-width:0}
.pcard__cas{font:500 10.5px var(--mono);letter-spacing:.05em;color:var(--ink-3)}
.pcard__name{margin-top:5px;font-size:20px;letter-spacing:-.04em}
.pcard__name a{transition:color .18s var(--ease)}
.pcard__seq{margin-top:5px;min-width:0;font:400 10.5px var(--mono);color:var(--ink-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pcard__buy{margin-top:auto;padding-top:14px}
.price{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:11px}
.price strong{font-size:23px;letter-spacing:-.045em;font-variant-numeric:tabular-nums}
.price span{font:500 11.5px var(--mono);color:var(--ink-3);font-variant-numeric:tabular-nums}
.pcard__lot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:11px;padding-top:11px;border-top:1px solid var(--line);font:500 10.5px var(--mono);letter-spacing:.04em;color:var(--ink-3)}

/* the vial — glass drawn in slate, contents in signal */
.vialshot{margin:0;width:100%;height:100%;display:block}
.vialshot img{width:100%;height:100%;object-fit:cover;display:block;
  transition:transform .5s var(--ease)}
.pcard__shot{position:absolute;left:10px;bottom:10px;padding:5px 8px;border-radius:var(--r-xs);
  background:rgba(255,255,255,.9);border:1px solid var(--line);
  font:500 10px var(--mono);letter-spacing:.05em;color:var(--ink-3)}
.vial .glass{fill:url(#vGlass);stroke:rgba(16,30,48,.22);stroke-width:1;vector-effect:non-scaling-stroke}
.vial .flip{fill:url(#vFlip);stroke:rgba(16,30,48,.16);stroke-width:1;vector-effect:non-scaling-stroke}
.vial .crimp{fill:url(#vCrimp);stroke:rgba(16,30,48,.2);stroke-width:1;vector-effect:non-scaling-stroke}
.vial .ridge{stroke:rgba(16,30,48,.16);stroke-width:.7;vector-effect:non-scaling-stroke}
.vial .label{fill:#fff;stroke:rgba(16,30,48,.1);stroke-width:.8;vector-effect:non-scaling-stroke}
.vial .hl{stroke:rgba(255,255,255,.95);stroke-width:2.6;fill:none;stroke-linecap:round}
.vial .lmicro{fill:rgba(16,30,48,.34)}
.vial .lwm{fill:#101e30;font-family:var(--serif);font-weight:700;letter-spacing:-.02em}
.vial .ldot{fill:var(--brand);font-family:var(--font);font-weight:600}
.vial .lrule{stroke:var(--brand);stroke-width:1.4;vector-effect:non-scaling-stroke}
.vial .labbr{fill:var(--brand);font-family:var(--font);font-weight:700;letter-spacing:.08em}
.vial .lmg{fill:var(--brand);font-family:var(--font);font-weight:500}
.vial .lruo{fill:rgba(16,30,48,.6);font-family:var(--font);font-weight:600;letter-spacing:.11em}
.vial .qr{fill:rgba(16,30,48,.82)}

/* — size chips — */
.sizes{display:flex;gap:6px;margin-top:13px}
.size{
  flex:1;min-height:52px;padding:6px 4px;border-radius:var(--r-xs);
  border:1px solid var(--line-2);background:var(--paper);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  font:600 11.5px var(--mono);color:var(--ink-2);font-variant-numeric:tabular-nums;transition:.18s var(--ease);
}
.size em{font-style:normal;font-size:10px;font-weight:500;color:var(--ink-3)}
.size[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#fff}
.size[aria-pressed="true"] em{color:rgba(255,255,255,.72)}

/* — purity meter (Warden's value bars) — */
.meter{display:flex;align-items:center;gap:11px;margin-top:12px}
.meter__b{display:flex;gap:3px;flex:1}
.meter__b i{flex:1;height:5px;border-radius:3px;background:rgba(16,30,48,.10)}
.meter[data-s="1"] i:nth-child(-n+1),
.meter[data-s="2"] i:nth-child(-n+2),
.meter[data-s="3"] i:nth-child(-n+3),
.meter[data-s="4"] i:nth-child(-n+4){background:var(--blue)}
.meter__l{font:600 12px var(--mono);font-variant-numeric:tabular-nums;min-width:6ch;text-align:right}
.meter__c{margin-top:6px;font:400 9.5px var(--mono);letter-spacing:.05em;color:var(--ink-3);text-transform:uppercase}

/* ============================================================ CATEGORY RAIL */
.cats{display:grid;gap:12px;grid-template-columns:1fr}
.cat{
  display:flex;flex-direction:column;gap:8px;padding:20px;border-radius:var(--r-md);
  border:1px solid var(--line-2);background:var(--paper);transition:.2s var(--ease);min-height:132px;
}
.cat__n{font:600 10.5px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)}
.cat h3{font-size:17px;letter-spacing:-.03em}
.cat p{font-size:12.5px;color:var(--ink-3);line-height:1.55}
.cat__c{margin-top:auto;font:600 11px var(--mono);color:var(--blue-deep)}

/* ============================================================ WARDEN OTP */
.otp{display:flex;gap:7px;flex-wrap:wrap;margin-top:16px}
.otp input{
  width:40px;height:48px;text-align:center;font:600 17px var(--mono);
  border:1px solid var(--line-3);border-radius:var(--r-xs);
  background:#fff;color:var(--ink);
  box-shadow:inset 0 1px 2px rgba(13,24,38,.06);transition:.18s var(--ease);caret-color:var(--blue-soft);
}
.otp input:focus{outline:none;border-color:var(--brand);background:rgba(30,68,220,.20);box-shadow:0 0 0 3px rgba(30,68,220,.32)}
.otp input:nth-child(4){margin-left:10px}
.otp.ok input{border-color:var(--brand);background:rgba(30,68,220,.06)}
.otp.bad input{border-color:var(--bad)}
.otp.bad{animation:nudge .28s var(--ease)}
@keyframes nudge{0%,100%{transform:translateX(0)}25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}
.otp-st{display:flex;align-items:center;gap:8px;margin-top:11px;min-height:20px;font-size:12.5px;color:var(--ink-3)}
.otp-st svg{width:16px;height:16px;stroke:var(--brand);fill:none;stroke-width:2.6;flex:none}
.otp-st.ok{color:var(--brand);font-weight:700}
.otp-st.bad{color:var(--bad)}

/* light variant for the standalone verify page */
.otp--light input{border-color:var(--line-2);background:var(--mist);color:var(--ink)}
.otp--light input:focus{border-color:var(--blue);background:var(--paper);box-shadow:0 0 0 3px rgba(47,125,255,.16)}
.otp--light.ok input{border-color:var(--blue);background:rgba(47,125,255,.07)}

/* ============================================================ CERTIFICATE */
.cert{background:var(--paper);border:1px solid var(--line-2);border-radius:var(--r-lg);overflow:hidden;color:var(--ink)}

.ident dd{color:var(--ink)}
.cert__h{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;padding:12px 16px;background:#fff;color:var(--ink);border-bottom:2px solid var(--ink)}
.cert .cert__h .t{font:700 10.5px var(--mono);letter-spacing:.15em;text-transform:uppercase;color:var(--brand)}
.cert .cert__h .l{margin-top:3px;font:600 13.5px var(--mono);color:var(--ink)}
.lots{display:flex;flex-wrap:wrap;gap:6px;padding:12px 16px 0}
.lotbtn{
  min-height:42px;padding:6px 11px;border-radius:var(--r-xs);text-align:left;
  border:1px solid var(--line-2);background:var(--paper);display:flex;flex-direction:column;gap:2px;
  font:600 12px var(--mono);color:var(--ink-3);font-variant-numeric:tabular-nums;transition:.18s var(--ease);
}
.lotbtn em{font-style:normal;font-size:10px;font-weight:500;letter-spacing:.06em;text-transform:uppercase;opacity:.85}
.lotbtn[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#fff}

.ident{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);margin-top:12px}
.ident>div{background:var(--paper);padding:9px 16px}
.ident dt{color:var(--ink-3);font:600 9.5px var(--mono);letter-spacing:.1em;text-transform:uppercase}
.ident dd{margin:3px 0 0;font:600 12.5px var(--mono);font-variant-numeric:tabular-nums}

.tw{overflow-x:auto;overscroll-behavior-x:contain}
.cert table{width:100%;min-width:540px;font-variant-numeric:tabular-nums}
.cert caption{padding:13px 16px 7px;text-align:left;color:var(--ink-3);font:600 9.5px var(--mono);letter-spacing:.1em;text-transform:uppercase}
.cert th,.cert td{padding:7px 16px;text-align:left;border-bottom:1px solid var(--line);font-size:11.5px;line-height:1.45}
.cert thead th{color:var(--ink-3);font:600 9.5px var(--mono);letter-spacing:.1em;text-transform:uppercase;border-bottom:1px solid var(--line-2)}
.cert tbody th{font-weight:600;color:var(--ink-2);white-space:nowrap}
.cert td{font-family:var(--mono);color:var(--ink-3)}
.cert td.res{color:var(--ink);font-weight:600}   /* Warden: result in value, never a status hue */

.trace{padding:6px 16px 12px;border-top:1px solid var(--line)}
.trace svg{width:100%;height:auto}
.trace .ax{stroke:var(--line-2);stroke-width:1;vector-effect:non-scaling-stroke}
.trace .gr{stroke:var(--line);stroke-width:1;stroke-dasharray:3 5;vector-effect:non-scaling-stroke}
.trace .tk{fill:var(--ink-3);font:500 9px var(--mono);letter-spacing:.05em}
.trace__f{display:flex;flex-wrap:wrap;gap:5px 18px;margin-top:8px;font:500 9.5px var(--mono);letter-spacing:.04em;color:var(--ink-3)}
.trace__f b{color:var(--ink-2);font-weight:600}
.cert__s{display:flex;flex-wrap:wrap;gap:8px 18px;justify-content:space-between;padding:10px 16px;border-top:1px solid var(--line-2);background:var(--mist);font:500 10.5px var(--mono);letter-spacing:.04em;color:var(--ink-3)}

/* ============================================================ TICKER */
.ticker{overflow:hidden;border-block:1px solid var(--line);background:var(--mist)}
.ticker__tr{display:flex;width:max-content}
.ticker__sq{display:flex;flex:none}
.ticker__i{display:flex;align-items:center;gap:8px;padding:11px 22px;white-space:nowrap;font:500 11px var(--mono);letter-spacing:.05em;color:var(--ink-3)}
.ticker__i b{color:var(--ink);font-weight:600}
.ticker__i::after{content:"";width:4px;height:4px;border-radius:50%;background:var(--line-3);margin-left:14px}

/* ============================================================ TABLES / COMPARE */
.cmp{width:100%;font-size:13.5px}
.cmp th,.cmp td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;background:#fff}
.cmp thead th{font:700 10.5px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);border-bottom:2px solid var(--ink)}
.cmp tbody th{font-weight:600;color:var(--ink);width:30%}
.cmp td{color:var(--ink-3)}
.cmp td.us{color:var(--ink);font-weight:600}
.cmp td.us::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--brand);margin-right:9px;vertical-align:middle}

/* ============================================================ STEPS / RULES */
.steps{display:grid;gap:12px;grid-template-columns:1fr}
.step{padding:20px;border-radius:var(--r-md);border:1px solid var(--line-2);background:var(--paper)}
.step .n{display:block;font:800 10.5px var(--mono);letter-spacing:.09em;text-transform:uppercase;color:var(--blue-deep)}
.step h3{margin-top:10px}
.step p{margin-top:8px;font-size:13px;line-height:1.62;color:var(--ink-2)}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.chips span{padding:5px 9px;border-radius:999px;background:var(--mist);border:1px solid var(--line);font:500 10.5px var(--mono);color:var(--ink-2)}
.dark .step{background:#fff;border-color:var(--line-2)}
.dark .step p{color:var(--ink-2)}
.dark .step .n{color:var(--brand)}
.dark .chips span{background:var(--band-2);border-color:var(--line);color:var(--ink-2)}

/* ============================================================ STATS */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-2);border:1px solid var(--line-2);border-radius:var(--r-md);overflow:hidden}
.stat{background:#fff;padding:13px 14px}
.stat dt{font:600 9px var(--mono);letter-spacing:.09em;text-transform:uppercase;color:var(--ink-3);line-height:1.35}
.stat dd{margin:6px 0 0;font-size:clamp(19px,2.1vw,25px);font-weight:750;letter-spacing:-.04em;color:var(--ink);font-variant-numeric:tabular-nums}
.stat p{margin-top:6px;font-size:12px;color:var(--ink-3);line-height:1.5}

/* ============================================================ FAQ */
.faq{display:grid;gap:10px}
.faq details{border-radius:var(--r-md);border:1px solid var(--line-2);background:var(--paper);overflow:hidden}
.faq details[open]{border-color:var(--line-3)}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px;padding:10px 20px;cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary h3{font-size:14.5px;font-weight:700;letter-spacing:-.02em}
.faq .ic{width:20px;height:20px;flex:none;position:relative}
.faq .ic::before,.faq .ic::after{content:"";position:absolute;left:50%;top:50%;background:var(--blue);transition:transform .26s var(--ease)}
.faq .ic::before{width:12px;height:1.6px;margin:-.8px 0 0 -6px}
.faq .ic::after{width:1.6px;height:12px;margin:-6px 0 0 -.8px}
.faq details[open] .ic::after{transform:scaleY(0)}
.faq .a{padding:0 20px 20px;max-width:70ch;color:var(--ink-2);font-size:13.5px;line-height:1.7}
.faq .a p+p{margin-top:10px}

/* ============================================================ FORMS */
.field{display:flex;flex-direction:column;gap:7px}
.field label{font:600 11px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)}
.inp{
  min-height:50px;padding:13px 14px;border-radius:var(--r-sm);border:1px solid var(--line-2);
  background:var(--paper);font-size:15px;color:var(--ink);width:100%;transition:.18s var(--ease);
}
textarea.inp{min-height:130px;resize:vertical;line-height:1.6}
.inp::placeholder{color:var(--ink-3)}
.inp:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(47,125,255,.14)}
.hint{font-size:12px;color:var(--ink-3)}
.form-grid{display:grid;gap:16px;grid-template-columns:1fr}

/* ============================================================ PROSE */
.prose{max-width:72ch}
.prose h2{font-size:clamp(21px,2.4vw,27px);letter-spacing:-.035em;margin-top:40px}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:16.5px;letter-spacing:-.025em;margin-top:26px}
.prose p{margin-top:13px;color:var(--ink-2);line-height:1.75}
.prose ul{margin-top:13px;display:grid;gap:9px}
.prose ul li{position:relative;padding-left:20px;color:var(--ink-2);line-height:1.7}
.prose ul li::before{content:"";position:absolute;left:2px;top:.66em;width:6px;height:6px;border-radius:50%;background:var(--blue-ice);border:1px solid var(--blue)}
.prose ol{margin-top:13px;display:grid;gap:9px;counter-reset:o}
.prose ol li{position:relative;padding-left:30px;color:var(--ink-2);line-height:1.7;counter-increment:o}
.prose ol li::before{content:counter(o,decimal-leading-zero);position:absolute;left:0;top:.1em;font:600 11px var(--mono);color:var(--blue-deep)}
.prose table{width:100%;margin-top:18px;font-size:13.5px}
.prose th,.prose td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line)}
.prose thead th{font:600 9.5px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);border-bottom:1px solid var(--line-2)}
.prose td{color:var(--ink-2)}
.callout{margin-top:22px;padding:18px 20px;border-radius:var(--r-md);border:1px solid var(--line-2);background:var(--mist)}
.callout strong{display:block;font:700 10.5px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--blue-deep);margin-bottom:8px}
.callout p{margin:0;font-size:13.5px;color:var(--ink-2);line-height:1.68}

/* ============================================================ PAGE HERO */
.phero{
  color:var(--ink);position:relative;padding-block:clamp(28px,4vw,52px);
  background:linear-gradient(180deg,#fff 0%,var(--band-2) 100%);
  border-bottom:1px solid var(--line-2);
}
.phero::before{content:none}
.phero>*{position:relative;z-index:1}
.phero h1{color:var(--ink);margin-top:14px;max-width:20ch}
.phero p{margin-top:14px;max-width:60ch;color:var(--ink-2);font-size:15.5px;line-height:1.68}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font:500 11px var(--mono);letter-spacing:.06em;color:var(--ink-3)}
.crumb a{color:var(--ink-3)}
.crumb span{opacity:.5}

/* ============================================================ LISTS/INDEX */
.rows{border-top:1px solid var(--line-2)}
.row{display:grid;gap:6px 20px;padding:18px 0;border-bottom:1px solid var(--line);grid-template-columns:1fr}
.row__t{font-size:16px;font-weight:700;letter-spacing:-.025em}
.row__m{font:500 10.5px var(--mono);letter-spacing:.05em;color:var(--ink-3)}
.row p{font-size:13.5px;color:var(--ink-2);line-height:1.6;max-width:70ch}
.row__act{display:flex;align-items:center;gap:10px}

/* ============================================================ FOOTER */
.ftr{background:var(--band-2);color:var(--ink-3);position:relative;border-top:1px solid var(--line-2);padding-block:clamp(40px,5.5vw,64px) 26px}
.ftr::before{content:none}
.ftr>*{position:relative;z-index:1}
.ftr__top{display:grid;gap:36px;grid-template-columns:1fr;padding-bottom:34px;border-bottom:1px solid var(--on-dark-line)}
.ftr__brand .brand__n b{color:var(--ink)}
.ftr__brand .brand__n i{color:var(--brand)}
.ftr__brand>p{margin-top:14px;max-width:36ch;font-size:13px;line-height:1.66;color:var(--ink-2)}
.ftr__cols{display:grid;grid-template-columns:repeat(2,1fr);gap:28px 24px}
.ftr h2{color:var(--ink);font:700 11px var(--mono);letter-spacing:.16em;text-transform:uppercase;margin-bottom:16px}
.ftr__cols li{margin-bottom:13px}
.ftr__cols a{color:var(--ink-2);font-size:14.5px;transition:color .18s var(--ease)}
.ftr__legal{display:flex;flex-wrap:wrap;gap:10px 22px;padding-top:24px;border-top:1px solid var(--line);font:500 10.5px var(--mono);letter-spacing:.05em;color:var(--ink-3)}
.ftr__ruo{width:100%;color:var(--brand);font-weight:700;letter-spacing:.1em;text-transform:uppercase}
.sub-form{display:flex;gap:8px;margin-top:16px;flex-wrap:wrap}
.sub-form .inp{background:#fff;border-color:var(--line-2);color:var(--ink);flex:1;min-width:190px}
.sub-form .inp::placeholder{color:var(--ink-3)}

/* ============================================================ CART BAR */
.cartbar{
  position:fixed;left:12px;right:12px;bottom:12px;z-index:58;display:flex;align-items:center;gap:12px;
  padding:12px 14px max(12px,env(safe-area-inset-bottom));border-radius:var(--r-md);
  border:1px solid var(--line-2);background:rgba(255,255,255,.94);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:0 16px 40px rgba(16,30,48,.16);transform:translateY(160%);transition:transform .42s var(--ease);
}
.cartbar.up{transform:translateY(0)}
.cartbar p{flex:1;min-width:0;font:600 13px var(--mono);font-variant-numeric:tabular-nums}
.cartbar em{display:block;font-style:normal;font-size:10px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)}

/* ============================================================ PRODUCT PAGE */
.cmp.spec th,.cmp.spec td,.sizetable th,.sizetable td,.lotlist th,.lotlist td{padding:11px 16px;font-size:13px}
.cmp.spec td.res{color:var(--ink);font-weight:600;font-family:var(--mono)}
.cmp.spec tbody th{width:22%}
.sizetable tbody th{width:auto;white-space:nowrap}
.sizetable td,.lotlist td{font-family:var(--mono);font-variant-numeric:tabular-nums}
.sizetable tr[aria-selected="true"] th{color:var(--ink)}
.sizetable .btn[aria-pressed="true"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.lotlist tbody th{white-space:nowrap}
.ident--pdp{margin-top:0;grid-template-columns:repeat(2,1fr)}
.ident--pdp>div{padding:11px 16px}
.doclist{display:grid}
.doclist li{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 18px;border-bottom:1px solid var(--line)}
.doclist li:last-child{border-bottom:0}
.doclist b{display:block;font-size:14.5px;font-weight:600;letter-spacing:-.01em}
.doclist span{display:block;margin-top:3px;font-size:12.5px;line-height:1.5;color:var(--ink-3)}
.doclist .btn{flex:none}
.faq--pdp summary h3{font-size:14px}
.pdp-h{font-size:clamp(22px,2.4vw,30px)}
.tw>table{min-width:560px}
@media (min-width:640px){ .ident--pdp{grid-template-columns:repeat(3,1fr)} }
@media (min-width:1024px){ .ident--pdp{grid-template-columns:repeat(3,1fr)} }

/* ============================================================ STRUCTURE VIEWER */
/* The stage is the one place the brand's cold studio light does real work:
   white to pale ice, a faint 32px grid masked to the centre, and the figure
   drawn in ink with brand blue nitrogen. No dark field, per the register. */
.sv-tools{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-bottom:18px}
.sv-search{position:relative;flex:1;min-width:220px;max-width:420px;display:block}
.sv-search .inp{padding-left:38px;min-height:46px;font-size:14px}
.sv-search svg{position:absolute;left:13px;top:50%;transform:translateY(-50%);width:15px;height:15px;stroke:var(--ink-3);fill:none;stroke-width:2;pointer-events:none}
.sv-pick{display:block;flex:1;min-width:200px}
.sv-pick .inp{min-height:46px;font-size:14px}
.sv-count{font:500 11px var(--mono);letter-spacing:.05em;text-transform:uppercase;color:var(--ink-3);margin-left:auto}
.sv-layout{display:grid;gap:clamp(16px,2.5vw,28px);grid-template-columns:1fr}
.sv-side{display:none;align-self:start;border:1px solid var(--line-2);border-radius:var(--r-lg);background:var(--paper);overflow:auto;max-height:calc(100vh - 120px);position:sticky;top:86px;scrollbar-width:thin}
.sv-item{display:flex;align-items:center;gap:11px;width:100%;padding:9px 12px;border-bottom:1px solid var(--line);text-align:left;transition:background .18s var(--ease)}
.sv-item:last-child{border-bottom:0}
.sv-item img{width:40px;height:40px;border-radius:7px;border:1px solid var(--line);object-fit:cover;flex:none;background:var(--band)}
.sv-item__txt{min-width:0;display:flex;flex-direction:column;gap:2px}
.sv-item__name{font-size:13.5px;font-weight:600;letter-spacing:-.01em;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sv-item__sub{font:500 10px var(--mono);letter-spacing:.05em;text-transform:uppercase;color:var(--ink-3)}
.sv-item.on{background:var(--ice);box-shadow:inset 3px 0 0 var(--brand)}
.sv-empty{padding:16px;font-size:13px;color:var(--ink-3)}
.sv-detail{display:grid;gap:clamp(16px,2.5vw,24px);align-content:start}
.sv-stage{position:relative;overflow:hidden;border:1px solid var(--line-2);border-radius:var(--r-lg);min-height:340px;display:grid;place-items:center;padding:clamp(48px,5vw,56px) clamp(18px,3vw,36px) clamp(40px,4vw,48px);
  background:radial-gradient(70% 60% at 30% 0%,#ffffff 0%,transparent 60%),radial-gradient(60% 50% at 85% 10%,rgba(206,226,246,.5),transparent 70%),linear-gradient(180deg,#fcfdff 0%,#f4f8fc 60%,var(--band) 100%)}
.sv-stage::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(21,63,105,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(21,63,105,.09) 1px,transparent 1px);background-size:32px 32px;
  -webkit-mask-image:radial-gradient(ellipse 72% 70% at 50% 45%,#000,transparent 80%);mask-image:radial-gradient(ellipse 72% 70% at 50% 45%,#000,transparent 80%)}
.sv-stage::after{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(55% 45% at 50% 40%,rgba(30,68,220,.06),transparent 70%)}
.sv-stage__fig{position:relative;z-index:1;width:100%;display:grid;place-items:center}
.sv-mol{width:100%;max-width:640px;height:auto;display:block;filter:drop-shadow(0 18px 30px rgba(21,63,105,.14));animation:svfloat 8s var(--ease) infinite}
.sv-stage[data-mode="chain"] .sv-mol,.sv-stage[data-mode="count"] .sv-mol{max-width:520px}
@keyframes svfloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
@media (prefers-reduced-motion:reduce){.sv-mol{animation:none}}
.sv-parts{display:grid;gap:22px;width:100%}
.sv-part{margin:0;display:grid;gap:8px;justify-items:center}
.sv-part figcaption{font:600 10.5px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink)}
.sv-part figcaption span{color:var(--ink-3);font-weight:500;letter-spacing:.04em;text-transform:none;margin-left:8px}
.sv-part .sv-mol{max-width:520px;animation:none}
.sv-none{max-width:40ch;text-align:center;font-size:14px;line-height:1.6;color:var(--ink-2)}
.sv-none .meta{margin-bottom:8px}
.sv-stage__badge{position:absolute;top:14px;left:16px;z-index:2;display:flex;flex-direction:column;gap:2px;font:500 10.5px var(--mono);letter-spacing:.03em;color:var(--ink-3)}
.sv-stage__badge b{color:var(--ink);font-size:13px;font-weight:600;letter-spacing:0}
.sv-stage__tag{position:absolute;bottom:12px;right:14px;z-index:2;padding:5px 10px;border-radius:999px;border:1px solid var(--line-2);background:rgba(255,255,255,.85);font:600 9.5px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}
.sv-info{display:grid;gap:16px;align-content:start}
.sv-glance{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line-2);border-radius:var(--r-md);overflow:hidden}
.sv-glance__chip{background:var(--paper);padding:10px 14px;display:flex;flex-direction:column;gap:3px}
.sv-glance__chip .k{font:600 9.5px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}
.sv-glance__chip .v{font:600 12.5px var(--mono);color:var(--ink);overflow-wrap:anywhere}
.sv-seq{border:1px solid var(--line-2);border-radius:var(--r-md);background:var(--paper);overflow:hidden}
.sv-seq__label{display:flex;justify-content:space-between;gap:12px;padding:10px 14px;border-bottom:2px solid var(--ink);font:600 10px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}
.sv-seq__label .n{color:var(--brand)}
.sv-chips{display:flex;flex-wrap:wrap;gap:5px;padding:14px}
.res{display:inline-flex;flex-direction:column;align-items:center;gap:1px;min-width:34px;padding:6px 5px;border-radius:7px;border:1px solid transparent}
.res__code{font:700 12.5px var(--mono);line-height:1}
.res__three{font:500 7.5px var(--mono);letter-spacing:.04em;opacity:.8}
.res--hydrophobic{background:#0d1826;color:#fff}
.res--polar{background:#dbe7f3;color:#0d1826}
.res--basic{background:#1645ce;color:#fff}
.res--acidic{background:#2879c7;color:#fff}
.res--special{background:#fff;color:#0d1826;border-color:var(--line-3)}
.res--mod{background:var(--band-2);color:#153f69;border-color:var(--line-3);border-style:dashed}
.res--cap{justify-content:center;font:600 11px var(--mono);color:var(--ink-3);background:none;min-width:0;padding:6px 2px}
.sv-legend{display:flex;flex-wrap:wrap;gap:6px 14px;padding:10px 14px;border-top:1px solid var(--line);background:var(--mist);font:500 10px var(--mono);letter-spacing:.04em;color:var(--ink-3)}
.sv-legend__i{display:inline-flex;align-items:center;gap:6px}
.sv-legend__sw{width:10px;height:10px;border-radius:3px;border:1px solid transparent}
.sv-comp{border:1px solid var(--line-2);border-radius:var(--r-md);background:var(--paper);padding:14px}
.sv-comp__rows{display:grid;gap:7px;margin-top:12px}
.sv-comp__row{display:grid;grid-template-columns:44px 1fr 28px;gap:10px;align-items:center;font:600 11px var(--mono)}
.sv-comp__k{color:var(--ink-2)}
.sv-comp__bar{height:6px;border-radius:99px;background:var(--ice);overflow:hidden}
.sv-comp__bar i{display:block;height:100%;border-radius:99px}
.sv-comp__n{text-align:right;color:var(--ink)}
.sv-actions{display:flex;flex-wrap:wrap;gap:10px}
.sv-note{font-size:13px;line-height:1.65;color:var(--ink-2);max-width:60ch}
.sv-fine{margin-top:26px;font-size:12.5px;line-height:1.65;color:var(--ink-3);max-width:80ch}
@media (min-width:640px){ .sv-glance{grid-template-columns:repeat(4,1fr)} }
@media (min-width:900px){
  .sv-layout{grid-template-columns:250px 1fr}
  .sv-side{display:block}
  .sv-pick{display:none}
  .sv-detail{grid-template-columns:1fr}
}
@media (min-width:1180px){
  .sv-detail{grid-template-columns:1.15fr .85fr;align-items:start}
}
@media (hover:hover) and (pointer:fine){ .sv-item:hover:not(.on){background:var(--mist)} }

/* ============================================================ UTILITY LINKS */
.util__r a{display:inline-flex;align-items:center;gap:6px;color:var(--ink-2);font-weight:600;letter-spacing:.03em;transition:color .18s var(--ease)}
.util__r a svg{width:13px;height:13px;stroke:var(--brand);fill:none;stroke-width:1.9;flex:none}
.util__fact{color:var(--ink-3);padding-left:20px;border-left:1px solid var(--line-2)}
@media (hover:hover) and (pointer:fine){ .util__r a:hover{color:var(--brand)} }

/* ============================================================ GUIDE PAGES */
.guide{display:grid;gap:clamp(20px,3vw,40px);grid-template-columns:1fr;align-items:start}
.guide__toc{border:1px solid var(--line-2);border-radius:var(--r-lg);background:var(--paper);padding:16px 18px}
.guide__toc ol{display:grid;gap:2px;margin-top:10px}
.guide__toc a{display:flex;align-items:baseline;gap:10px;padding:7px 8px;border-radius:var(--r-xs);font-size:13.5px;font-weight:600;color:var(--ink-2);transition:background .18s var(--ease),color .18s var(--ease)}
.guide__toc a span{font:700 10px var(--mono);letter-spacing:.08em;color:var(--brand);min-width:2ch}
.guide__toc a[aria-current="true"]{background:var(--ice);color:var(--ink)}
.guide__prog{margin-top:14px;padding-top:14px;border-top:1px solid var(--line);display:grid;gap:8px}
.guide__bar{height:4px;border-radius:2px;background:rgba(16,30,48,.10);overflow:hidden}
.guide__bar i{display:block;height:100%;width:0;background:var(--blue);border-radius:2px;transition:width .4s var(--ease)}
.guide__body{display:grid;gap:14px;min-width:0}
.gsec{border:1px solid var(--line-2);border-radius:var(--r-lg);background:var(--paper);padding:0 0 22px;scroll-margin-top:96px;overflow:hidden}
.gsec__h{display:flex;align-items:baseline;gap:14px;padding:16px 22px;border-bottom:2px solid var(--ink)}
.gsec__h .n{font:700 10.5px var(--mono);letter-spacing:.1em;color:var(--brand)}
.gsec__h h2{font-size:clamp(18px,1.9vw,22px);letter-spacing:-.03em}
.gsec__lead{padding:18px 22px 0;font-size:14.5px;line-height:1.65;color:var(--ink-2);max-width:66ch}
.gsec .tw{margin:16px 22px 0;border:1px solid var(--line);border-radius:var(--r-md);overflow:auto}
.gsec .tw>table{min-width:420px}
.gtable th,.gtable td{padding:10px 14px;font-size:13px}
.gtable thead th{border-bottom:1px solid var(--line-2)}
.gtable tbody th{width:38%;color:var(--ink)}
.gtable td.us::before{content:none}
.gtiles{margin:16px 22px 0;gap:10px}
.gtiles .panel{padding:16px 18px}
.gtile__v{margin-top:8px;font-size:26px;font-weight:700;letter-spacing:-.04em}
.gtiles .sm{margin-top:6px;font-size:12.5px}
.gsec .prose{padding:18px 22px 0}
.gsec .prose p:first-child{margin-top:0}
.cklist{display:grid;gap:8px;padding:16px 22px 0;counter-reset:ck}
.ck{display:flex;align-items:flex-start;gap:14px;width:100%;padding:12px 14px;border:1px solid var(--line-2);border-radius:var(--r-md);background:var(--paper);text-align:left;transition:border-color .18s var(--ease),background .18s var(--ease)}
.ck__box{flex:none;width:22px;height:22px;margin-top:1px;border-radius:6px;border:1.5px solid var(--line-3);background:#fff;display:grid;place-items:center;transition:background .18s var(--ease),border-color .18s var(--ease)}
.ck__box svg{width:14px;height:14px;stroke:#fff;fill:none;stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round;opacity:0;transition:opacity .18s var(--ease)}
.ck__t{display:flex;flex-direction:column;gap:3px;min-width:0}
.ck__t b{font-size:14px;font-weight:600;letter-spacing:-.01em;color:var(--ink)}
.ck__t span{font-size:13px;line-height:1.6;color:var(--ink-2)}
.ck[aria-pressed="true"]{background:var(--band-2);border-color:var(--line)}
.ck[aria-pressed="true"] .ck__box{background:var(--brand);border-color:var(--brand)}
.ck[aria-pressed="true"] .ck__box svg{opacity:1}
.ck[aria-pressed="true"] .ck__t b{color:var(--ink-3);text-decoration:line-through;text-decoration-color:var(--line-3)}
@media (hover:hover) and (pointer:fine){ .ck:hover{border-color:var(--line-3)} }
@media (min-width:900px){
  .guide{grid-template-columns:250px 1fr}
  .guide__toc{position:sticky;top:86px}
}

/* ============================================================ WORKSPACE */
.rail__set{padding:14px 18px 16px;border-top:1px solid var(--line)}
.rail__set__f{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.rail__set__f .inp{flex:1;min-width:150px;min-height:42px;padding:0 12px;font-size:13.5px}
.rail__set .hint{margin-top:8px}
.ws-shared{padding:clamp(18px,2.5vw,26px);margin-bottom:clamp(20px,3vw,32px);border-color:var(--brand);box-shadow:inset 0 0 0 1px var(--brand)}
.ws-shared__h{display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:flex-start}
.ws-shared__act{display:flex;gap:10px;flex-wrap:wrap}
.ws-shared .rail__items{margin-top:16px;border-top:1px solid var(--line);border-bottom:0;padding:0}
.ws-new{display:grid;gap:12px;padding:18px 20px;margin-bottom:14px;background:linear-gradient(180deg,#fff,var(--band-2))}
.ws-new__t{margin-top:4px;font-size:15px;font-weight:600;letter-spacing:-.01em}
.ws-new__f{display:flex;gap:8px;flex-wrap:wrap}
.ws-new__f .inp{flex:1;min-width:200px;min-height:46px;padding:0 14px;font-size:14px}
.ws-list{display:grid;gap:8px}
.wset{display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center;width:100%;padding:12px 16px;border:1px solid var(--line-2);border-radius:var(--r-md);background:var(--paper);text-align:left;transition:border-color .18s var(--ease),box-shadow .18s var(--ease)}
.wset__thumbs{display:flex}
.wset__thumbs img{width:36px;height:36px;border-radius:6px;border:2px solid #fff;object-fit:cover;background:var(--band);margin-left:-10px;box-shadow:0 0 0 1px var(--line)}
.wset__thumbs img:first-child{margin-left:0}
.wset__txt{min-width:0;display:flex;flex-direction:column;gap:3px}
.wset__txt b{font-size:15px;font-weight:600;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.wset__txt span{font:500 10.5px var(--mono);letter-spacing:.04em;color:var(--ink-3)}
.wset__date{font:500 10.5px var(--mono);color:var(--ink-3);white-space:nowrap}
.wset.on{border-color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)}
@media (hover:hover) and (pointer:fine){ .wset:hover:not(.on){border-color:var(--line-3)} }
.ws-d__name{padding:12px 18px;border-bottom:1px solid var(--line);display:grid;gap:4px}
.ws-d__in{width:100%;border:0;border-bottom:1px dashed var(--line-2);background:none;padding:2px 0 4px;font-size:17px;font-weight:600;letter-spacing:-.02em;color:var(--ink)}
.ws-d__in:focus{outline:none;border-bottom-color:var(--blue)}
.ws-d__act{gap:10px}
.ws-d__row{display:flex;gap:8px;flex-wrap:wrap}
.ws-d__row .btn{flex:1;min-width:100px}
.ws-d__link{width:100%;min-height:40px;padding:0 12px;border:1px solid var(--line-3);border-radius:var(--r-xs);background:var(--mist);font:500 11.5px var(--mono);color:var(--ink-2)}
.ws-d__act .lnkbtn{justify-self:start;color:var(--bad)}

/* ============================================================ CHECKOUT PURPOSE */
.ck-block{margin-top:10px;padding:14px 16px;border:1px solid rgba(217,74,98,.4);border-radius:var(--r-md);background:rgba(217,74,98,.05);font-size:13.5px;line-height:1.6;color:var(--ink-2)}
.ck-block b{display:block;color:var(--ink);margin-bottom:4px}

.pdp-scope{background:var(--paper);border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2)}
.pdp-scope__in{display:flex;flex-wrap:wrap;gap:8px 24px;align-items:baseline;justify-content:space-between;padding-block:16px}
.pdp-scope p{font:500 11px var(--mono);letter-spacing:.05em;text-transform:uppercase;color:var(--ink-3);line-height:1.7;max-width:96ch}
.pdp-scope p b{color:var(--brand);font-weight:700;letter-spacing:.09em}
.pdp-scope .lnk{font:600 11px var(--mono);letter-spacing:.05em;text-transform:uppercase;white-space:nowrap}

/* ============================================================ WHOLESALE */
.tiers{display:grid;gap:1px;background:var(--line-2);border:1px solid var(--line-2);border-radius:var(--r-lg);overflow:hidden;grid-template-columns:1fr}
.tier{background:var(--paper);padding:20px 22px;display:flex;flex-direction:column;gap:6px}
.tier__n{font:600 10.5px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}
.tier__v{font-size:clamp(28px,3vw,38px);font-weight:700;letter-spacing:-.045em;line-height:1;color:var(--ink)}
.tier__s{font-size:12.5px;line-height:1.55;color:var(--ink-2)}
.tier--note{background:var(--band-2)}
.tier--note .tier__s{font-size:13px}
.wsb-tools{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-bottom:12px}
.wsb-tools .sv-search{max-width:380px}
.wsb-only{font-size:13px;color:var(--ink-2)}
.wsb__h{display:none;grid-template-columns:40px 1fr 138px 96px 122px 84px;gap:12px;align-items:center;padding:10px 16px;border-bottom:2px solid var(--ink);font:600 9.5px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}
.wsb__h span:nth-child(6){text-align:right}
.wsb__row{display:grid;grid-template-columns:44px 1fr auto;gap:10px 12px;align-items:center;padding:12px 16px;border-bottom:1px solid var(--line);transition:background .18s var(--ease)}
.wsb__row:last-child{border-bottom:0}
.wsb__row.on{background:var(--band-2)}
.wsb__thumb{width:40px;height:40px;border-radius:7px;border:1px solid var(--line);overflow:hidden;display:block;background:var(--band)}
.wsb__thumb img{width:100%;height:100%;object-fit:cover}
.wsb__name{min-width:0;display:flex;flex-direction:column;gap:2px}
.wsb__name a{font-size:13.5px;font-weight:600;letter-spacing:-.01em;line-height:1.25}
.wsb__name span{font:500 10px var(--mono);letter-spacing:.04em;color:var(--ink-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.wsb__size .inp{min-height:40px;padding:0 32px 0 10px;font:600 12px var(--mono);background-position:right 9px center}
.wsb__unit{display:flex;flex-direction:column;gap:1px;font-variant-numeric:tabular-nums}
.wsb__unit b{font:600 13.5px var(--mono);color:var(--ink)}
.wsb__unit span,.wsb__unit s{font:500 10px var(--mono);color:var(--ink-3)}
.wsb__qty{height:40px}
.wsb__qty button{width:36px}
.wsb__qty input{width:44px}
.wsb__line{font:600 14px var(--mono);font-variant-numeric:tabular-nums;color:var(--ink);text-align:right}
.wsb__line span{color:var(--ink-3);font-weight:500}
.rail__tier{padding:14px 18px;border-bottom:1px solid var(--line);display:grid;gap:8px}
.rail__tier__row{display:flex;justify-content:space-between;align-items:baseline;gap:10px}
.rail__tier__row b{font:600 13px var(--mono);color:var(--brand)}
.rail__tier .hint{margin:0}
.btn[aria-disabled="true"]{opacity:.55;pointer-events:none}
@media (min-width:640px){ .tiers{grid-template-columns:repeat(3,1fr)} .tier--note{grid-column:1/-1} }
@media (min-width:1024px){ .tiers{grid-template-columns:repeat(4,1fr)} .tier--note{grid-column:auto} }
@media (min-width:900px){
  .wsb__h{display:grid}
  .wsb__row{grid-template-columns:40px 1fr 138px 96px 122px 84px;gap:12px}
  .split.wsb-split{grid-template-columns:minmax(0,1fr) 330px}
  .wsb__size,.wsb__unit,.wsb__qty,.wsb__line{grid-row:auto}
}
@media (max-width:899px){
  .wsb__row .wsb__size{grid-column:2;grid-row:2}
  .wsb__row .wsb__unit{grid-column:3;grid-row:1;text-align:right;align-items:flex-end}
  .wsb__row .wsb__qty{grid-column:2;grid-row:3;justify-self:start}
  .wsb__row .wsb__line{grid-column:3;grid-row:3}
}

@media (min-width:1180px){ .search kbd{display:block} .search input{padding-right:40px} }
/* ============================================================ 3D MODEL */
.m3d{position:relative;overflow:hidden;border:1px solid var(--line-2);border-radius:var(--r-lg);aspect-ratio:4/3;
  background:radial-gradient(70% 60% at 30% 0%,#ffffff 0%,transparent 60%),radial-gradient(60% 50% at 85% 10%,rgba(206,226,246,.5),transparent 70%),linear-gradient(180deg,#fcfdff 0%,#f4f8fc 60%,var(--band) 100%)}
.m3d::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(21,63,105,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(21,63,105,.08) 1px,transparent 1px);background-size:32px 32px;
  -webkit-mask-image:radial-gradient(ellipse 72% 70% at 50% 50%,#000,transparent 80%);mask-image:radial-gradient(ellipse 72% 70% at 50% 50%,#000,transparent 80%)}
.m3d__c{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:pan-y}
.m3d__badge{position:absolute;top:14px;left:16px;z-index:2;display:flex;flex-direction:column;gap:2px;font:500 10.5px var(--mono);letter-spacing:.03em;color:var(--ink-3);pointer-events:none}
.m3d__badge b{color:var(--ink);font-size:13px;font-weight:600;letter-spacing:0}
.m3d__legend{position:absolute;left:16px;bottom:12px;z-index:2;display:flex;gap:12px;font:600 10px var(--mono);letter-spacing:.08em;color:var(--ink-3);pointer-events:none}
.m3d__legend span{display:inline-flex;align-items:center;gap:5px}
.m3d__legend i{width:9px;height:9px;border-radius:50%;display:inline-block}
.m3d__tag{position:absolute;bottom:12px;right:14px;z-index:2;padding:5px 10px;border-radius:999px;border:1px solid var(--line-2);background:rgba(255,255,255,.85);font:600 9.5px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);pointer-events:none}
@media (max-width:639px){ .m3d__legend{bottom:auto;top:14px;right:14px;left:auto;flex-direction:column;gap:4px;align-items:flex-end} }
.m3d-side{display:grid;gap:12px;align-content:start}
.m3d-side__seq{overflow:hidden}
.m3d-side .sv-chips{padding:12px}
.m3d-side .res{cursor:pointer;transition:transform .15s var(--ease),box-shadow .15s var(--ease)}
.m3d-side .res.on,.m3d-side .res:hover{transform:translateY(-1px);box-shadow:0 0 0 2px var(--paper),0 0 0 4px var(--brand)}
.ident.m3d-side__stats{margin-top:0;border:1px solid var(--line-2);border-radius:var(--r-md);overflow:hidden;grid-template-columns:repeat(2,1fr)}
.m3d-side__stats>div{padding:11px 16px}
.m3d-side__note{font-size:13px;line-height:1.65;color:var(--ink-2)}
@media (min-width:900px){ .split.m3d-split{grid-template-columns:1.15fr .85fr;align-items:start} }

/* ============================================================ RELEASE PANEL */
.rp{display:grid;gap:clamp(20px,3vw,44px);grid-template-columns:1fr;align-items:center}
.rp__h{margin-top:14px;font-size:clamp(26px,3.2vw,40px);line-height:1.06;letter-spacing:-.045em;font-weight:600;max-width:16ch}
.rp__h b{color:var(--brand);font-weight:600}
.rp__p{margin-top:14px;font-size:15px;line-height:1.7;color:var(--ink-2);max-width:52ch}
.rp__chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:18px}
.rp__chips span{padding:6px 10px;border-radius:999px;border:1px solid var(--line-2);background:var(--paper);font:600 10.5px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2)}
.rp__tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin-top:22px;background:var(--line-2);border:1px solid var(--line-2);border-radius:var(--r-md);overflow:hidden}
.rp__tile{background:var(--paper);padding:14px 14px 12px;display:flex;flex-direction:column;gap:3px;border-top:2px solid var(--brand)}
.rp__tile b{font-size:clamp(20px,2.2vw,26px);font-weight:700;letter-spacing:-.04em;line-height:1;color:var(--ink);font-variant-numeric:tabular-nums}
.rp__tile span{font-size:12px;font-weight:600;color:var(--ink-2)}
.rp__tile em{font:500 9.5px var(--mono);letter-spacing:.04em;color:var(--ink-3);font-style:normal;line-height:1.5}
.rp__stage{position:relative;border:1px solid var(--line-2);border-radius:var(--r-lg);padding:clamp(10px,2vw,22px);
  background:radial-gradient(70% 60% at 30% 0%,#ffffff 0%,transparent 60%),radial-gradient(60% 50% at 85% 10%,rgba(206,226,246,.5),transparent 70%),linear-gradient(180deg,#fcfdff 0%,#f4f8fc 60%,var(--band) 100%)}
.rp__fig{width:100%;height:auto;display:block;max-width:520px;margin-inline:auto}
.rp__orbit{fill:none;stroke:var(--line-2);stroke-width:1;stroke-dasharray:3 6}
.rp__link{stroke:var(--line-3);stroke-width:1.2}
.rp__dot{fill:var(--brand)}
.rp__halo{fill:rgba(22,69,206,.07)}
.rp__ring{fill:#fff;stroke:var(--brand);stroke-width:1.5}
.rp__sat--spec .rp__ring{stroke:var(--line-3);stroke-dasharray:4 3}
.rp__sat--spec .rp__halo{fill:rgba(16,30,48,.04)}
.rp__t{font:600 9.5px var(--mono);letter-spacing:.1em;text-transform:uppercase;fill:var(--ink-3)}
.rp__v{font:700 17px var(--font);letter-spacing:-.03em;fill:var(--ink)}
.rp__sat--spec .rp__v{fill:var(--ink-2);font-weight:600}
.rp__m{font:500 8.5px var(--mono);letter-spacing:.06em;fill:var(--ink-3)}
.rp__coreHalo{fill:rgba(22,69,206,.05)}
.rp__coreRing{fill:#fff;stroke:var(--ink);stroke-width:2}
.rp__name{font:700 20px var(--font);letter-spacing:-.03em;fill:var(--ink)}
.rp__lot{font:600 10px var(--mono);letter-spacing:.08em;fill:var(--ink-3)}
/* entry: the core lands, then each satellite pulses in along its spoke */
.rp__node,.rp__link,.rp__dot,.rp__core{transition:opacity .6s var(--ease),transform .7s var(--ease)}
[data-rp]:not(.rp--in) .rp__core{opacity:0;transform:scale(.6);transform-origin:260px 260px}
[data-rp]:not(.rp--in) .rp__node{opacity:0;transform:scale(.4)}
[data-rp]:not(.rp--in) .rp__link,[data-rp]:not(.rp--in) .rp__dot{opacity:0}
.rp--in .rp__node{transition-delay:calc(.35s + var(--i) * .16s)}
.rp--in .rp__link,.rp--in .rp__dot{transition-delay:calc(.25s + var(--i) * .16s)}
.rp--in .rp__halo{transform-origin:center;transform-box:fill-box;animation:rpPulse 2.6s var(--ease) calc(1s + var(--i) * .16s) 1}
/* continuous orbit: the satellite group revolves, each node counter-rotates so its text stays upright */
.rp--in .rp__spin{animation:rpSpin 96s linear infinite}
.rp--in .rp__up{animation:rpUnspin 96s linear infinite}
.rp--paused .rp__spin,.rp--paused .rp__up,.rp__stage:hover .rp__spin,.rp__stage:hover .rp__up{animation-play-state:paused}
@keyframes rpSpin{to{transform:rotate(360deg)}}
@keyframes rpUnspin{to{transform:rotate(-360deg)}}
@keyframes rpPulse{0%{transform:scale(1)}30%{transform:scale(1.18)}100%{transform:scale(1)}}
@media (prefers-reduced-motion:reduce){ .rp__node,.rp__link,.rp__dot,.rp__core{transition:none!important;opacity:1!important;transform:none!important} .rp--in .rp__halo,.rp--in .rp__spin,.rp--in .rp__up{animation:none} }
@media (min-width:900px){ .rp{grid-template-columns:1fr 1fr} }
@media (max-width:479px){ .rp__tiles{grid-template-columns:1fr} .rp__tile{flex-direction:row;flex-wrap:wrap;align-items:baseline;gap:4px 12px} .rp__tile em{width:100%} }

/* ============================================================ BREAKPOINTS */
/* Narrow phones: the brand tagline plus three 44px header buttons is wider
   than a 375px viewport and clipped the menu button. Drop the tagline and
   tighten the action gap; the logotype and every button stay. */
@media (max-width:479px){
  .brand__n{font-size:24px}
  .logo{height:28px}
  .hdr__act{gap:6px}
}
/* 320px phones: verify yields to the menu (it stays in the menu and the strip) */
@media (max-width:359px){
  .brand__n{font-size:22px}
  .logo{height:25px}
  .hdr__in{gap:10px;min-height:62px}
  .hdr__act{gap:4px}
  .icobtn,.burger{width:38px;height:38px}
  .icobtn[href="verify.html"]{display:none}
}
@media (min-width:640px){
  .g2{grid-template-columns:repeat(2,minmax(0,1fr))}
  .g4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cats{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .form-grid{grid-template-columns:repeat(2,1fr)}
  .form-grid .full{grid-column:1/-1}
  .stats{grid-template-columns:repeat(4,1fr)}
  .util__r{display:flex}
  .row{grid-template-columns:1fr auto;align-items:center}
}
@media (min-width:900px){
  .split{grid-template-columns:1.05fr .95fr}
  .split--verify{grid-template-columns:.95fr 1.05fr}
  .split--wide{grid-template-columns:1.2fr .8fr}
  .g3{grid-template-columns:repeat(3,minmax(0,1fr))}
  .cats{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:repeat(3,1fr)}
  .ftr__top{grid-template-columns:1.15fr 1.85fr}
  .ftr__cols{grid-template-columns:repeat(3,1fr)}
}
@media (min-width:1024px){
  .nav{display:flex}
  .search{display:block;min-width:150px}
  .search kbd{display:none}
  .search input{padding-right:14px}
  .burger{display:none}
  .menu{display:none}
  .g4{grid-template-columns:repeat(4,minmax(0,1fr))}
  .cats{grid-template-columns:repeat(4,1fr)}
  .cartbar{display:none}
  .ident{grid-template-columns:repeat(4,1fr)}
}

/* ============================================================ FINE POINTER */
@media (hover:hover) and (pointer:fine){
  .nav a:hover{color:var(--ink);background:var(--mist)}
  .btn--pri:hover{background:#0f2f50}
  .btn--ghost:hover{background:var(--mist);border-color:var(--line-3)}
  .btn--dark:hover{background:var(--ink-900)}
  .btn--onDark:hover{background:var(--ink-800)}
  .btn--onDarkGhost:hover{background:var(--band-2);border-color:var(--line-3)}
  .icobtn:hover,.burger:hover{border-color:var(--line-3);background:var(--mist)}
  .pcard:hover{border-color:var(--line-3);box-shadow:var(--shadow-soft);transform:translateY(-2px)}
  .pcard__name a:hover{color:var(--blue-deep)}
  .cat:hover{border-color:var(--blue);box-shadow:var(--shadow-soft)}
  .size:hover:not([aria-pressed="true"]),.lotbtn:hover:not([aria-pressed="true"]){border-color:var(--line-3);color:var(--ink-2)}
  .ftr__cols a:hover{color:var(--brand)}
  .lnk:hover{text-decoration-color:currentColor}
  .row:hover .row__t{color:var(--blue-deep)}
}
@media (hover:none),(pointer:coarse){
  .btn,.size,.lotbtn,.icobtn,.burger,.faq summary{touch-action:manipulation;-webkit-tap-highlight-color:transparent}
  .btn:active{transform:scale(.985)}
  .size:active,.lotbtn:active{background:var(--mist)}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
  .ticker__tr{transform:none !important}
  .ticker__sq[aria-hidden="true"]{display:none}
}

/* ---- hero specimen panel: photograph first, then the record ---- */
/* ---- home hero figure: the vial as an annotated technical figure ---- */
.hfig{margin:0;display:flex;flex-direction:column;gap:14px;min-width:0}
.hfig__stage{position:relative;width:100%;max-width:620px;margin-inline:auto}
.hfig__art{position:relative;aspect-ratio:1/1;width:100%}
.hfig__orbit{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.hfig__ring{fill:none;stroke:rgba(22,69,206,.28);stroke-width:1;stroke-dasharray:3 7;vector-effect:non-scaling-stroke}
.hfig__ring--in{stroke:rgba(16,30,48,.12);stroke-dasharray:2 6}
.hfig__sat{transform-origin:300px 300px;animation:hfigOrbit 110s linear infinite}
.hfig__sat--2{animation-duration:74s;animation-direction:reverse}
.hfig__sat circle{fill:var(--brand)}
.hfig__sat circle+circle{fill:none;stroke:var(--brand);stroke-width:1;opacity:.35}
.hfig__vial{position:absolute;inset:7%;width:86%;height:86%;object-fit:cover;display:block;border-radius:50%;
  -webkit-mask-image:radial-gradient(circle at 50% 50%,#000 58%,rgba(0,0,0,.55) 74%,transparent 100%);mask-image:radial-gradient(circle at 50% 50%,#000 58%,rgba(0,0,0,.55) 74%,transparent 100%);
  filter:drop-shadow(0 30px 40px rgba(21,63,105,.18));transform:translateY(10px) scale(.97);opacity:0;transition:transform 1.1s var(--ease),opacity .9s var(--ease)}
.hfig--in .hfig__vial{transform:none;opacity:1}
.hfig__chip{position:absolute;z-index:2;display:flex;flex-direction:column;gap:2px;padding:10px 13px 10px;min-width:150px;max-width:42%;
  background:rgba(255,255,255,.92);border:1px solid var(--line-2);border-radius:var(--r-md);box-shadow:0 14px 34px rgba(21,63,105,.12);text-decoration:none;color:var(--ink);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);opacity:0;transform:translateY(8px);transition:opacity .6s var(--ease),transform .6s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease)}
.hfig--in .hfig__chip{opacity:1;transform:none}
.hfig--in .hfig__chip--tl{transition-delay:.55s}.hfig--in .hfig__chip--tr{transition-delay:.7s}.hfig--in .hfig__chip--bl{transition-delay:.85s}.hfig--in .hfig__chip--br{transition-delay:1s}
.hfig__chip:hover{border-color:var(--brand);box-shadow:0 18px 40px rgba(21,63,105,.18)}
.hfig__chip b{font:600 17px var(--font);letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.hfig__chip span{font:500 10px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);line-height:1.4}
.hfig__chip i{position:absolute;width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 3px rgba(22,69,206,.16)}
.hfig__chip i::before{content:"";position:absolute;background:rgba(22,69,206,.45);height:1px;width:34px;top:2.5px}
.hfig__chip--tl{left:-2%;top:7%}.hfig__chip--tl i{right:-40px;top:50%;margin-top:-3px}.hfig__chip--tl i::before{right:6px}
.hfig__chip--tr{right:-2%;top:19%}.hfig__chip--tr i{left:-40px;top:50%;margin-top:-3px}.hfig__chip--tr i::before{left:6px}
.hfig__chip--bl{left:-2%;bottom:13%}.hfig__chip--bl i{right:-40px;top:50%;margin-top:-3px}.hfig__chip--bl i::before{right:6px}
.hfig__chip--br{right:-2%;bottom:4%}.hfig__chip--br i{left:-40px;top:50%;margin-top:-3px}.hfig__chip--br i::before{left:6px}
.hfig__cap{display:grid;gap:10px}
.hfig__id{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.hfig__id b{font-size:20px;letter-spacing:-.035em;font-weight:600}
.hfig__id>span:last-child{font:500 11px var(--mono);letter-spacing:.04em;color:var(--ink-3)}
.hfig__seq{padding:12px 13px;border-radius:var(--r-sm);background:rgba(255,255,255,.7);border:1px solid var(--line);font:500 11.5px/1.85 var(--mono);color:var(--ink-2);overflow-wrap:anywhere}
.hfig__seq b{color:var(--brand)}
@keyframes hfigOrbit{to{transform:rotate(360deg)}}
@media (max-width:759px){
  .hfig__stage{max-width:440px;display:grid;grid-template-columns:1fr 1fr;gap:8px}
  .hfig__art{grid-column:1/-1}
  .hfig__chip{position:static;max-width:none;min-width:0;padding:9px 11px;background:var(--paper)}
  .hfig__chip i{display:none}
  .hfig__chip b{font-size:15px}
}
@media (prefers-reduced-motion:reduce){ .hfig__sat{animation:none} .hfig__vial,.hfig__chip{transition:none;opacity:1;transform:none} }

/* PDP purity: a plain figure now the meter is gone */
.pdp-purity{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.pdp-purity b{font-size:26px;font-weight:600;letter-spacing:-.03em;color:var(--ink)}
.pdp-purity span{font:500 11px var(--mono);letter-spacing:.05em;text-transform:uppercase;color:var(--ink-3)}

/* ============================================================ CART LINES */
/* A cart is a record of what is about to ship, so it is set like the lab
   table: hairline rows, a 2px ink rule under the head, figures in mono. */
.clines{border:1px solid var(--line-2);border-radius:var(--r-lg);background:var(--paper);overflow:hidden}
.clines__h{display:none;grid-template-columns:72px 1fr 124px 104px;gap:16px;padding:11px 18px;border-bottom:2px solid var(--ink);font:600 9.5px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}
.clines__h span:nth-child(3){text-align:center}
.clines__h span:nth-child(4){text-align:right}
.clines ul{margin:0}
.cline{display:grid;grid-template-columns:64px 1fr;gap:12px 14px;padding:16px 18px;border-bottom:1px solid var(--line);align-items:start}
.cline:last-child{border-bottom:0}
.cline__thumb{width:64px;height:64px;border-radius:var(--r-sm);border:1px solid var(--line);overflow:hidden;display:block;
  background:radial-gradient(circle at 50% 18%,#fff,transparent 46%),linear-gradient(180deg,#f4f8fd,#e6eef8)}
.cline__thumb img{width:100%;height:100%;object-fit:cover}
.cline__name{font-size:16px;font-weight:700;letter-spacing:-.025em;transition:color .18s var(--ease)}
.cline__meta{margin-top:4px;font:500 10.5px var(--mono);letter-spacing:.04em;color:var(--ink-3);line-height:1.7}
.cline__unit{margin-top:6px;display:flex;align-items:baseline;gap:8px;font-variant-numeric:tabular-nums}
.cline__unit b{font-size:14px;font-weight:600}
.cline__unit span{font:500 10.5px var(--mono);color:var(--ink-3)}
.cline__rm{margin-top:6px;font:600 10.5px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);text-decoration:underline;text-underline-offset:3px;min-height:32px;padding:0}
.cline__ctl{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;gap:12px}
.cline__total{font:600 15px var(--mono);font-variant-numeric:tabular-nums;color:var(--ink)}
.qty{display:inline-flex;align-items:stretch;border:1px solid var(--line-2);border-radius:var(--r-xs);background:var(--paper);height:42px;overflow:hidden}
.qty button{width:40px;display:grid;place-items:center;font:600 17px var(--mono);color:var(--ink-2);transition:background .18s var(--ease)}
.qty input{width:44px;text-align:center;border:0;border-inline:1px solid var(--line);background:var(--mist);font:600 13.5px var(--mono);color:var(--ink);-moz-appearance:textfield;border-radius:0}
.qty input::-webkit-outer-spin-button,.qty input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.qty input:focus{outline:none;background:#fff;box-shadow:inset 0 0 0 2px var(--blue)}
.clines__f{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding:12px 18px;border-top:1px solid var(--line-2);background:var(--mist);font-size:13px}
.lnkbtn{font:600 10.5px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);text-decoration:underline;text-underline-offset:3px;min-height:36px}
.ruo-note{margin-top:16px;padding:12px 16px;border:1px solid var(--line-2);border-radius:var(--r-md);background:var(--band-2);font:600 10.5px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--brand);line-height:1.6}

/* — order summary rail — */
.rail{align-self:start}
.rail__box{background:var(--paper);border:1px solid var(--line-2);border-radius:var(--r-lg);overflow:hidden}
.rail__h{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px 18px;border-bottom:2px solid var(--ink)}
.rail__h h2{font:700 10.5px var(--mono);letter-spacing:.15em;text-transform:uppercase;color:var(--brand)}
.rail__h span{font:500 10.5px var(--mono);letter-spacing:.05em;color:var(--ink-3)}
.rail__items{padding:4px 18px;border-bottom:1px solid var(--line)}
.ritem{display:grid;grid-template-columns:44px 1fr auto;gap:12px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line)}
.ritem:last-child{border-bottom:0}
.ritem img{width:44px;height:44px;border-radius:6px;border:1px solid var(--line);object-fit:cover;background:var(--band)}
.ritem b{display:block;font-size:13.5px;font-weight:600;letter-spacing:-.01em}
.ritem span{font:500 10.5px var(--mono);color:var(--ink-3);letter-spacing:.03em}
.ritem em{font:600 13px var(--mono);font-style:normal;font-variant-numeric:tabular-nums}
.tots{display:grid;gap:10px;margin:0;padding:16px 18px;font-size:14px}
.tots>div{display:flex;justify-content:space-between;gap:12px;align-items:baseline}
.tots dt{color:var(--ink-3)}
.tots dd{margin:0;font:600 14px var(--mono);font-variant-numeric:tabular-nums;color:var(--ink);text-align:right}
.tots dd small{display:block;font:500 10px var(--mono);letter-spacing:.04em;color:var(--ink-3);margin-top:2px}
.tots .tot{padding-top:12px;border-top:1px solid var(--line-2)}
.tots .tot dt{font-weight:700;color:var(--ink)}
.tots .tot dd{font-size:19px;font-weight:700}
.rail__f{padding:0 18px 18px;display:grid;gap:10px}
.rail__note{padding:12px 18px;border-top:1px solid var(--line);background:var(--mist);font-size:12.5px;color:var(--ink-2);line-height:1.55}
.rail__note b{color:var(--ink);font-weight:600}
.freebar{height:4px;border-radius:2px;background:rgba(16,30,48,.10);overflow:hidden;margin-top:8px}
.freebar i{display:block;height:100%;background:var(--blue);border-radius:2px;transition:width .4s var(--ease)}

/* ============================================================ CHECKOUT */
.ck-steps{display:grid;gap:12px;margin:0;padding:0;counter-reset:none}
.ck-step{border:1px solid var(--line-2);border-radius:var(--r-lg);background:var(--paper);scroll-margin-top:96px;transition:background .2s var(--ease)}
.ck-step__h{display:flex;gap:14px;align-items:baseline;padding:15px 20px;border-bottom:2px solid var(--ink)}
.ck-step__n{font:700 10.5px var(--mono);letter-spacing:.1em;color:var(--brand)}
.ck-step__t{font-size:17px;letter-spacing:-.03em}
.ck-step__b{padding:2px 20px 22px}
.field{scroll-margin-top:96px}
.ck-step__b .form-grid{margin-top:18px}
.ck-p{margin-top:16px;font-size:13.5px;color:var(--ink-2);line-height:1.65;max-width:62ch}
.ck-p+.form-grid{margin-top:16px}
.ck-h{margin-top:22px;font:600 11px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)}
.ck-h:first-child{margin-top:18px}
select.inp{appearance:none;-webkit-appearance:none;padding-right:38px;cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235d6d79' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 13px center;background-size:14px}
.field label small{font-weight:500;text-transform:none;letter-spacing:.02em;opacity:.85}
.field label.chk{font:400 14px/1.55 var(--font);letter-spacing:0;text-transform:none;color:var(--ink-2)}
.field label.chk b{font-weight:600}
.field.err .inp{border-color:var(--bad);box-shadow:0 0 0 3px rgba(217,74,98,.12)}
.err-msg{display:none;font:500 11.5px var(--font);color:var(--bad);letter-spacing:0;text-transform:none}
.field.err .err-msg{display:block}
.choices{display:grid;gap:8px;margin-top:18px}
.choice{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;padding:14px 16px;border:1px solid var(--line-2);border-radius:var(--r-md);background:var(--paper);cursor:pointer;transition:border-color .18s var(--ease),box-shadow .18s var(--ease)}
.choice input{width:18px;height:18px;margin:0;accent-color:var(--ink);flex:none}
.choice b{display:block;font-size:14.5px;font-weight:600;letter-spacing:-.01em}
.choice span{font:500 11px var(--mono);color:var(--ink-3);letter-spacing:.03em}
.choice em{font:600 14px var(--mono);font-style:normal;font-variant-numeric:tabular-nums;color:var(--ink);white-space:nowrap}
.choice em.free{color:var(--brand)}
.choice em s{color:var(--ink-3);font-weight:500;margin-right:6px}
.choice.on{border-color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)}
.chk{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border:1px solid var(--line-2);border-radius:var(--r-md);background:var(--paper);cursor:pointer;font-size:14px;line-height:1.55;color:var(--ink-2)}
.chk input{width:18px;height:18px;margin:2px 0 0;flex:none;accent-color:var(--ink)}
.chk b{color:var(--ink);font-weight:600}
.chk--plain{border:0;padding:0;background:none}
.field.err .chk{border-color:var(--bad);box-shadow:0 0 0 3px rgba(217,74,98,.12)}
.pay-panel{margin-top:18px;border:0;padding:0;min-width:0}
.pay-panel[hidden]{display:none}
/* Hosted-field mount: the processor injects its own iframes into these
   slots, so no card or bank data is ever typed into this page. */
.psp{border:1px solid var(--line-2);border-radius:var(--r-md);overflow:hidden;margin-top:14px}
.psp__h{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px 14px;border-bottom:1px solid var(--line);background:var(--mist);font:600 10.5px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)}
.psp__h span{display:inline-flex;align-items:center;gap:6px}
.psp__h svg{width:13px;height:13px;stroke:var(--ink-3);fill:none;stroke-width:2;flex:none}
.psp__g{display:grid;gap:12px;padding:14px;grid-template-columns:1fr}
.psp__f{min-height:50px;border:1px solid var(--line-3);border-radius:var(--r-sm);background:#fff;box-shadow:inset 0 1px 2px rgba(13,24,38,.06)}
.ck-empty{padding:clamp(24px,4vw,44px);text-align:center}
.ck-place{display:grid;gap:12px;margin-top:22px}
.ck-legal{font-size:12.5px;color:var(--ink-3);line-height:1.6}

/* ============================================================ CONFIRMATION */
.conf-ref{display:inline-flex;align-items:center;gap:10px;margin-top:16px;padding:9px 14px;border:1px solid var(--line-2);border-radius:var(--r-sm);background:#fff;font:600 14px var(--mono);letter-spacing:.04em}
.conf-ref span{font:600 9.5px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}
.conf-grid{display:grid;gap:12px;grid-template-columns:1fr;margin-top:18px}
.conf-card{padding:16px 18px;border:1px solid var(--line-2);border-radius:var(--r-md);background:var(--paper)}
.conf-card h3{font:600 10.5px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}
.conf-card p{margin-top:8px;font-size:13.5px;line-height:1.65;color:var(--ink)}
.conf-card p.mono{font-size:12.5px;color:var(--ink-2)}

@media (min-width:640px){
  .conf-grid{grid-template-columns:repeat(2,1fr)}
  .psp__g{grid-template-columns:2fr 1fr 1fr}
}
@media (min-width:720px){
  .clines__h{display:grid}
  .cline{grid-template-columns:72px 1fr 124px 104px;gap:16px;align-items:center}
  .cline__thumb{width:72px;height:72px}
  .cline__ctl{display:contents}
  .cline__total{text-align:right}
  .qty{justify-self:center}
}
@media (min-width:900px){
  .rail{position:sticky;top:86px}
}
@media (hover:hover) and (pointer:fine){
  .cline__name:hover{color:var(--blue-deep)}
  .cline__rm:hover,.lnkbtn:hover{color:var(--ink)}
  .qty button:hover{background:var(--mist)}
  .choice:hover:not(.on){border-color:var(--line-3)}
  .chk:hover:not(.chk--plain){border-color:var(--line-3)}
}
/* ============================================================ 2026-09-08 ADDITIONS */
/* ---- buy panel: delivery promise, payment marks, volume ladder ---- */
.buy{padding:0;overflow:hidden}
.buy__top{padding:18px}
.promise{display:grid;gap:9px;padding:14px 18px;border-top:1px solid var(--line);background:var(--mist)}
.promise li{display:flex;gap:10px;align-items:flex-start;font-size:12.5px;line-height:1.5;color:var(--ink-2)}
.promise svg{flex:none;width:16px;height:16px;margin-top:1px;stroke:var(--brand);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.promise li:first-child span{color:var(--ink);font-weight:600}
.paymarks{display:flex;flex-wrap:wrap;gap:6px;padding:12px 18px;border-top:1px solid var(--line)}
.paymarks span{padding:4px 8px;border:1px solid var(--line-2);border-radius:5px;background:#fff;font:600 9.5px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)}
.ladder{display:block;padding:14px 18px 16px;border-top:1px solid var(--line);text-decoration:none;color:inherit;transition:background .18s var(--ease)}
.ladder:hover{background:var(--mist)}
.ladder__h{display:flex;justify-content:space-between;align-items:baseline;gap:10px;flex-wrap:wrap}
.ladder__h b{font:600 11px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--brand)}
.ladder__h span{font-size:11.5px;color:var(--ink-3)}
.ladder__t{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:10px}
.ladder__t>span{display:flex;flex-direction:column;gap:2px;padding:9px 10px;border:1px solid var(--line-2);border-radius:var(--r-xs);background:#fff}
.ladder__t em{font:600 10px var(--mono);letter-spacing:.08em;color:var(--ink-3);font-style:normal}
.ladder__t b{font-size:14px;letter-spacing:-.02em;color:var(--ink)}
.ladder__t i{font:500 10px var(--mono);color:var(--ink-3);font-style:normal}

/* ---- literature ---- */
.lit-panel{overflow:hidden}
.lit{display:grid}
.lit__i{display:flex;gap:16px;padding:16px 20px;border-bottom:1px solid var(--line)}
.lit__i:last-child{border-bottom:0}
.lit__n{flex:none;font:700 10.5px var(--mono);letter-spacing:.1em;color:var(--brand);padding-top:4px}
.lit__b{display:flex;flex-direction:column;gap:5px;min-width:0}
.lit__t{font-size:15px;font-weight:600;letter-spacing:-.015em;color:var(--ink);text-decoration:none;line-height:1.4}
.lit__t:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.lit__m{font-size:12.5px;color:var(--ink-2);line-height:1.5}
.lit__m b{color:var(--ink);font-weight:600}
.lit__doi{font:500 10.5px var(--mono);letter-spacing:.04em;color:var(--ink-3)}
.lit__none{padding:18px 20px;font-size:14px;line-height:1.65;color:var(--ink-2);max-width:66ch}

/* ---- COA library cards ---- */
.coafilters{display:grid;gap:8px;padding:10px;grid-template-columns:1fr}
.coafilters label{position:relative;display:block;min-width:0}
.coafilters .inp{min-height:44px;font-size:13.5px}
.coafilters select.inp{appearance:none;-webkit-appearance:none;padding-right:34px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235d6b7d' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;background-size:14px}
.coafilters__q svg{position:absolute;left:13px;top:50%;transform:translateY(-50%);width:16px;height:16px;stroke:var(--ink-3);fill:none;stroke-width:2;pointer-events:none}
.coafilters__q .inp{padding-left:38px}
.coa__meta{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:16px 2px 14px}
.coagrid{display:grid;gap:12px;grid-template-columns:1fr}
.coa{position:relative;display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line-2);border-radius:var(--r-lg);overflow:hidden;scroll-margin-top:96px;transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.coa:hover{transform:translateY(-2px);border-color:rgba(22,69,206,.35);box-shadow:0 22px 48px rgba(21,63,105,.12)}
.coa[data-status="withdrawn"]{border-color:var(--line-3)}
.coa[data-status="withdrawn"] .coa__top{background:var(--mist)}
.coa__top{display:flex;align-items:center;gap:10px;padding:12px 16px;background:linear-gradient(180deg,#fbfdff,#f1f6fc);border-bottom:1px solid var(--line)}
.coa__logo{height:15px;width:auto;flex:none}
.coa__k{font:600 9px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);margin-left:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.coa__top .tag{margin-left:auto;flex:none}
.coa__id{padding:16px 16px 0}
.coa__name{font-size:22px;font-weight:600;letter-spacing:-.035em;color:var(--ink);text-decoration:none;line-height:1.05}
.coa__name:hover{color:var(--brand)}
.coa__lot{display:flex;gap:6px 12px;flex-wrap:wrap;margin-top:6px;font:500 10.5px var(--mono);letter-spacing:.05em;color:var(--ink-3);text-transform:uppercase}
.coa__lot span:first-child{color:var(--ink-2)}
.coa__wd{color:var(--ink-3);border-color:var(--line-3);background:var(--mist)}
.coa__big{display:grid;grid-template-columns:1fr auto;align-items:center;gap:12px;margin:14px 16px 0;padding:12px 14px;border:1px solid var(--line-2);border-radius:var(--r-md);background:linear-gradient(135deg,#fbfdff,#eef4fb)}
.coa__fig b{display:block;font-size:30px;font-weight:700;letter-spacing:-.05em;line-height:1;color:var(--ink);font-variant-numeric:tabular-nums}
.coa__fig span{display:block;margin-top:5px;font-size:11.5px;color:var(--ink-2)}
.coa__fig em{display:block;margin-top:6px;font:600 9.5px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--brand);font-style:normal}
.seal{width:74px;height:74px;flex:none;filter:drop-shadow(0 6px 14px rgba(21,63,105,.14))}
.seal--cert{width:64px;height:64px}
.coa__rows{display:grid;padding:8px 16px 4px}
.coa__rows li{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:8px 0;border-bottom:1px solid var(--line);font-size:12.5px}
.coa__rows li:last-child{border-bottom:0}
.coa__rows span{color:var(--ink);font-weight:500;min-width:0}
.coa__rows em{display:block;font:500 9.5px var(--mono);letter-spacing:.05em;color:var(--ink-3);font-style:normal;margin-top:1px}
.coa__rows b{font:600 12.5px var(--mono);color:var(--ink);white-space:nowrap;font-variant-numeric:tabular-nums}
.coa__f{margin-top:auto;display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px 16px 16px;border-top:1px solid var(--line);background:var(--mist)}
.coa__code{display:flex;flex-direction:column;align-items:flex-end;font:600 12px var(--mono);letter-spacing:.14em;color:var(--ink)}
.coa__code em{font:600 8.5px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);font-style:normal}
.coa__more{display:flex;justify-content:center;margin-top:20px}

/* ---- certificate page ---- */
.certpage__bar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.certpage__crumbs{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:13px;color:var(--ink-3)}
.certpage__act{display:flex;gap:8px;flex-wrap:wrap}
.certpage__grid{display:grid;gap:16px;grid-template-columns:1fr;align-items:start}
.certpage__aside{display:grid;gap:12px}
.cert__brand{display:flex;align-items:center;gap:14px}
.cert__note{margin:12px 16px 0;padding:12px 14px;border:1px solid var(--line-3);border-radius:var(--r-md);background:var(--mist);font-size:12.5px;line-height:1.6;color:var(--ink-2)}
.ident--cert{grid-template-columns:repeat(2,1fr)}
.cert__qr{display:flex;gap:16px;align-items:center;padding:14px 16px;border-top:1px solid var(--line)}
.qr{flex:none;width:132px;height:132px;border:1px solid var(--line-2);border-radius:var(--r-sm);background:#fff;padding:6px;box-sizing:content-box}
.qr svg{display:block;width:100%;height:100%}
.cert__qr__t b{display:block;font-size:14px;letter-spacing:-.01em}
.cert__qr__t span{display:block;margin-top:4px;font-size:12.5px;line-height:1.55;color:var(--ink-2);max-width:48ch}
.label svg{width:100%;height:auto;display:block;border-radius:12px;box-shadow:0 8px 24px rgba(21,63,105,.10)}
.lotnav{display:grid;gap:4px;margin-top:10px}
.lotnav a{display:grid;grid-template-columns:auto 1fr auto auto;gap:10px;align-items:baseline;padding:8px 10px;border-radius:var(--r-xs);text-decoration:none;color:var(--ink-2);font-size:12px}
.lotnav a:hover{background:var(--mist)}
.lotnav li[aria-current] a{background:var(--ice);color:var(--ink)}
.lotnav .mono{font-size:11.5px;font-weight:600;color:var(--ink)}
.lotnav b{font:600 12px var(--mono);color:var(--ink)}
.lotnav em{font:600 9px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--brand);font-style:normal}

/* ---- account ---- */
.acct-in{display:grid;gap:16px;grid-template-columns:1fr;align-items:start}
.acct-in__card{padding:clamp(22px,3vw,32px)}
.acct-in__why{display:grid;gap:10px}
.acct{display:grid;gap:clamp(16px,3vw,32px);grid-template-columns:1fr;align-items:start}
.acct__side{display:grid;gap:10px}
.acct__who{display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:center;padding:16px}
.acct__avatar{width:40px;height:40px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;font:700 16px var(--font)}
.acct__email{font-size:13.5px;font-weight:600;letter-spacing:-.01em;overflow-wrap:anywhere}
.acct__who .lnkbtn{grid-column:1/-1;justify-self:start;font-size:12.5px}
.acct__nav{display:grid;padding:6px}
.acct__nav a{display:flex;align-items:baseline;gap:10px;padding:9px 12px;border-radius:var(--r-xs);font-size:13.5px;font-weight:600;color:var(--ink-2);text-decoration:none}
.acct__nav a span{font:700 10px var(--mono);letter-spacing:.08em;color:var(--brand)}
.acct__nav a[aria-current="true"]{background:var(--ice);color:var(--ink)}
.acct__body{display:grid;gap:14px;min-width:0}
.gsec__r{margin-left:auto;font:500 11px var(--mono);letter-spacing:.06em;color:var(--ink-3)}
.acct__list{display:grid;gap:10px;padding:16px 22px 0}
.acct__empty{padding:18px;border:1px dashed var(--line-3);border-radius:var(--r-md);display:grid;gap:12px;justify-items:start;font-size:13.5px;color:var(--ink-2)}
.acct__add{padding:14px 22px 0}
.acct__add summary{display:inline-flex;list-style:none;cursor:pointer}
.acct__add summary::-webkit-details-marker{display:none}
.order{border:1px solid var(--line-2);border-radius:var(--r-md);overflow:hidden}
.order__h{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 14px;background:var(--mist);border-bottom:1px solid var(--line)}
.order__ref{font-size:13.5px;font-weight:600;color:var(--ink)}
.order__items{display:grid;gap:4px;padding:10px 14px;font-size:13px;color:var(--ink-2)}
.order__items .mono{font-size:11px;color:var(--ink-3);margin-left:6px}
.order__f{display:flex;gap:8px;flex-wrap:wrap;padding:10px 14px 14px}
.certrow{display:grid;grid-template-columns:auto 1fr auto auto;gap:12px;align-items:baseline;padding:10px 14px;border:1px solid var(--line-2);border-radius:var(--r-md);text-decoration:none;color:var(--ink-2);font-size:13px}
.certrow:hover{border-color:var(--ink)}
.certrow .mono{font-size:12px;font-weight:600;color:var(--ink)}
.certrow b{color:var(--ink);font-weight:600}
.certrow em{font:600 12px var(--mono);color:var(--ink);font-style:normal}
.addr{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;padding:12px 14px;border:1px solid var(--line-2);border-radius:var(--r-md)}
.addr--def{border-color:var(--ink)}
.addr b{display:block;font-size:13.5px;font-weight:600}
.addr span{display:block;margin-top:3px;font-size:12.5px;line-height:1.55;color:var(--ink-2)}
.addr__f{display:grid;gap:6px;justify-items:end;flex:none}
.lnkbtn{background:none;border:0;padding:0;font:600 12.5px var(--font);color:var(--brand);text-decoration:underline;text-underline-offset:3px;cursor:pointer}
.icobtn--acct b{font-size:9px}

/* ---- track ---- */
.track__f{padding:clamp(18px,2.5vw,24px);display:grid;gap:14px}
.track__none{margin-top:14px;padding:20px}
.track{margin-top:14px;overflow:hidden}
.track__h{display:flex;justify-content:space-between;gap:12px;padding:16px 20px;border-bottom:2px solid var(--ink)}
.track__ref{font-size:18px;font-weight:600;letter-spacing:-.02em;margin-top:4px}
.track__st{margin-top:4px;font-size:14px;font-weight:600;color:var(--brand)}
.tl{display:grid;gap:0;padding:18px 20px 6px}
.tl__i{display:flex;gap:14px;padding-bottom:18px;position:relative}
.tl__i::before{content:"";position:absolute;left:8px;top:20px;bottom:0;width:2px;background:var(--line-2)}
.tl__i:last-child::before{display:none}
.tl__i[data-state="done"]::before{background:var(--brand)}
.tl__dot{flex:none;width:18px;height:18px;border-radius:50%;border:2px solid var(--line-3);background:#fff;margin-top:1px;position:relative;z-index:1}
.tl__i[data-state="done"] .tl__dot{background:var(--brand);border-color:var(--brand)}
.tl__i[data-state="now"] .tl__dot{border-color:var(--brand);box-shadow:0 0 0 4px rgba(22,69,206,.14)}
.tl__i b{display:block;font-size:14px;font-weight:600;letter-spacing:-.01em;color:var(--ink-3)}
.tl__i[data-state="done"] b,.tl__i[data-state="now"] b{color:var(--ink)}
.tl__i span{display:block;margin-top:2px;font-size:12.5px;color:var(--ink-3)}
.track__body{display:grid;gap:16px;grid-template-columns:1fr;padding:14px 20px;border-top:1px solid var(--line)}
.track__items{display:grid;gap:6px;margin-top:8px;font-size:13px;color:var(--ink-2)}
.track__items .lnk{margin-left:8px;font-size:12px}
.track__f2{display:flex;gap:8px;flex-wrap:wrap;padding:12px 20px 16px;border-top:1px solid var(--line);background:var(--mist)}
.track__legend{display:grid;gap:10px;margin-top:12px}
.track__legend dt{font:600 10.5px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--brand)}
.track__legend dd{margin:3px 0 0;font-size:12.5px;line-height:1.55;color:var(--ink-2)}
.panel--track{border-color:var(--brand)}

/* ---- release-notes band ---- */
.nl{border-top:1px solid var(--line);background:var(--band-2)}
.nl__in{display:grid;gap:18px;grid-template-columns:1fr;align-items:center;padding-block:clamp(28px,4vw,48px)}
.nl__h{margin-top:12px;font-size:clamp(21px,2.4vw,28px);letter-spacing:-.04em;font-weight:600;max-width:20ch}
.nl__p{margin-top:8px;font-size:13.5px;line-height:1.65;color:var(--ink-2);max-width:52ch}
.nl__f{display:flex;gap:8px;flex-wrap:wrap}
.nl__f .inp{flex:1;min-width:200px;min-height:46px}
.nl__msg{margin-top:10px;font-size:12px;color:var(--ink-3);min-height:1.2em}
.nl__msg.ok{color:var(--brand);font-weight:600}
.nl__msg.bad{color:var(--bad)}

/* ---- researcher gate ---- */
.gate{position:fixed;inset:0;z-index:120;display:grid;place-items:center;padding:16px;background:rgba(236,242,249,.78);backdrop-filter:blur(14px) saturate(1.1);-webkit-backdrop-filter:blur(14px) saturate(1.1);animation:gateIn .35s var(--ease)}
.gate--out{opacity:0;transition:opacity .32s var(--ease)}
.gate__card{position:relative;overflow:hidden;width:100%;max-width:560px;max-height:calc(100dvh - 32px);overflow-y:auto;background:linear-gradient(168deg,#fbfdff 0%,#f0f5fb 48%,#e8eff8 100%);border:1px solid var(--line-2);border-radius:var(--r-lg);box-shadow:0 40px 100px rgba(13,24,38,.22),0 2px 6px rgba(13,24,38,.06);padding:clamp(28px,5vw,44px) clamp(24px,5vw,44px) 96px;display:grid;gap:14px;animation:gateCard .55s var(--ease) both}
.gate__logo{width:min(100%,320px);height:auto;display:block}
.gate__tag{margin-top:10px;font-size:clamp(24px,3vw,32px);line-height:1.08;letter-spacing:-.045em;font-weight:600;color:var(--ink)}
.gate__proof{display:grid;margin:8px 0 6px}
.gate__proof li{display:flex;align-items:baseline;gap:14px;font-size:14px;color:var(--ink-2);padding:11px 0;border-top:1px solid rgba(16,30,48,.10)}
.gate__proof li:last-child{border-bottom:1px solid rgba(16,30,48,.10)}
.gate__proof b{font:600 11.5px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--brand);white-space:nowrap;min-width:11ch}
.gate__h{font-size:clamp(20px,2.2vw,24px);letter-spacing:-.035em;font-weight:600;line-height:1.1;margin-top:6px}
.gate__p{font-size:14px;line-height:1.65;color:var(--ink-2);max-width:52ch}
.gate__chk{position:relative;font-size:13.5px;line-height:1.55;color:var(--ink-2);cursor:pointer;transition:border-color .18s var(--ease),background .18s var(--ease);background:rgba(255,255,255,.72);border-color:rgba(16,30,48,.14)}
.gate__chk input{position:absolute;opacity:0;width:1px;height:1px;margin:0}
.gate__box{flex:none;width:22px;height:22px;margin-top:1px;border-radius:6px;border:1.5px solid var(--line-3);background:#fff;display:grid;place-items:center;transition:background .18s var(--ease),border-color .18s var(--ease)}
.gate__box svg{width:14px;height:14px;stroke:#fff;fill:none;stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round;opacity:0;transform:scale(.6);transition:opacity .18s var(--ease),transform .18s var(--ease)}
.gate__chk:hover{border-color:var(--line-3);background:#fff}
.gate__chk:has(input:checked){border-color:var(--brand);background:#fff}
.gate__chk:has(input:checked) .gate__box{background:var(--brand);border-color:var(--brand)}
.gate__chk:has(input:checked) .gate__box svg{opacity:1;transform:scale(1)}
.gate__chk:has(input:focus-visible){box-shadow:0 0 0 3px rgba(22,69,206,.18)}
.gate__enter{margin-top:4px;min-height:54px;font-size:15px;transition:opacity .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease)}
.gate__enter:not([disabled]):hover{transform:translateY(-1px);box-shadow:0 16px 32px rgba(21,63,105,.28)}
.gate__enter[disabled]{opacity:.45;box-shadow:none}
.gate__legal{font-size:11.5px;line-height:1.6;color:var(--ink-3);position:relative;z-index:1}
.gate__legal a{color:var(--ink-2);text-decoration:underline;text-underline-offset:2px}
.gate__trace{position:absolute;left:0;right:0;bottom:0;width:100%;height:92px;display:block;pointer-events:none}
.gate__traceLine{stroke:var(--brand);stroke-width:1.6;vector-effect:non-scaling-stroke;stroke-linecap:round;stroke-dasharray:1200;stroke-dashoffset:1200;animation:gateTrace 1.6s .3s var(--ease) forwards}
.gate__traceFill{opacity:0;animation:gateFade .8s 1.2s var(--ease) forwards}
body.gated{overflow:hidden}
@keyframes gateIn{from{opacity:0}to{opacity:1}}
@keyframes gateCard{from{opacity:0;transform:translateY(14px) scale(.985)}to{opacity:1;transform:none}}
@keyframes gateTrace{to{stroke-dashoffset:0}}
@keyframes gateFade{to{opacity:1}}
@media (max-width:759px){
  .gate__card{padding-bottom:76px;gap:12px}
  .gate__logo{width:min(100%,240px)}
  .gate__tag{font-size:22px}
  .gate__proof li{padding:9px 0;font-size:13px}
  .gate__trace{height:64px}
}
@media (prefers-reduced-motion:reduce){ .gate,.gate__card{animation:none} .gate__traceLine{animation:none;stroke-dashoffset:0} .gate__traceFill{animation:none;opacity:1} }

/* ---- checkout protection line ---- */
.ck-protect{display:flex;gap:10px;align-items:flex-start;margin-top:14px;padding:12px 14px;border:1px solid var(--line-2);border-radius:var(--r-md);background:var(--mist);font-size:12.5px;line-height:1.55;color:var(--ink-2)}
.ck-protect svg{flex:none;width:16px;height:16px;margin-top:1px;stroke:var(--brand);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.ck-protect b{color:var(--ink);font-weight:600}

@media (min-width:640px){
  .coagrid{grid-template-columns:repeat(2,1fr)}
  .coafilters{grid-template-columns:1fr 1fr}
  .coafilters__q{grid-column:1/-1}
  .track__body{grid-template-columns:1fr 1fr}
  .ident--cert{grid-template-columns:repeat(3,1fr)}
}
@media (min-width:900px){
  .coagrid{grid-template-columns:repeat(3,1fr)}
  .coafilters{grid-template-columns:2fr 1fr 1fr 1fr 1fr}
  .coafilters__q{grid-column:auto}
  .certpage__grid{grid-template-columns:minmax(0,1fr) 300px}
  .acct-in{grid-template-columns:minmax(0,1fr) 320px}
  .acct{grid-template-columns:240px minmax(0,1fr)}
  .acct__side{position:sticky;top:96px}
  .nl__in{grid-template-columns:1fr 1fr}
}
@media (min-width:1180px){ .coagrid{grid-template-columns:repeat(4,1fr)} .coagrid--pdp{grid-template-columns:repeat(3,1fr)} }

/* ---- print: the certificate alone, or the label alone ---- */
@media print{
  .util,.hdr,.menu,.nl,.ftr,.cartbar,.gate,.certpage__bar,.certpage__aside,.skip{display:none!important}
  body{background:#fff}
  .phero{display:none!important}
  .certpage__grid{grid-template-columns:1fr}
  .cert{border:1px solid #cbd5e1;box-shadow:none;break-inside:avoid}
  .trace path[filter]{filter:none}
  body[data-print="label"] .cert,body[data-print="label"] .certpage__bar{display:none!important}
  body[data-print="label"] .certpage__aside{display:block!important}
  body[data-print="label"] .certpage__aside>.panel:not(:first-child){display:none!important}
  body[data-print="label"] .certpage__aside .btn,body[data-print="label"] .certpage__aside .meta,body[data-print="label"] .certpage__aside .sm{display:none!important}
  body[data-print="label"] .label{width:72mm;margin:0}
  body[data-print="label"] .label svg{box-shadow:none;border:1px solid #cbd5e1}
}

/* ============================================================ MOBILE FIT (2026-09-08) */
/* grid children default to min-width:auto and stretch to their content (560px tables,
   six code boxes); every layout child may shrink */
.split>*,.grid>*,.guide>*,.acct>*,.acct-in>*,.certpage__grid>*,.hfig>*,.rp>*,.m3d-split>*,.wsb-split>*,.nl__in>*,.form-grid>*,.ck-steps>*,.ck-step>*,.rail{min-width:0}
.tw{max-width:100%;position:relative} /* contains the absolutely positioned .vh caption that otherwise widens the document */
.cert__qr{flex-wrap:wrap}
.cert__qr__t{min-width:0;flex:1 1 200px}
.otp{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:7px;max-width:372px}
.otp input{width:100%;min-width:0}
.otp input:nth-child(4){margin-left:0}
.otp>input:nth-child(4){grid-column:4}
@media (max-width:639px){
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat dd{font-size:22px}
}
@media (max-width:479px){
  .hdr__act{gap:6px}
  .icobtn,.burger{width:40px;height:40px;min-width:40px}
  .hdr__act .icobtn[href="verify.html"],.hdr__act .icobtn--acct{display:none}
  .otp{gap:5px}
  .otp input{height:46px;font-size:18px}
  .cert__qr{gap:12px}
  .qr{width:104px;height:104px}
  .ck-step__b{padding:2px 16px 18px}
  .ck-step__h{padding:14px 16px}
}

/* ---- certificate carousel on product pages ---- */
.coacar{position:relative}
.coatrack{display:grid;grid-auto-flow:column;grid-auto-columns:min(86%,340px);gap:12px;overflow-x:auto;overscroll-behavior-x:contain;scroll-snap-type:x mandatory;scroll-padding-inline:2px;padding:4px 2px 8px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.coatrack::-webkit-scrollbar{display:none}
.coatrack:focus-visible{outline:2px solid var(--brand);outline-offset:4px;border-radius:var(--r-md)}
.coatrack__i{scroll-snap-align:start;min-width:0;display:flex}
.coatrack__i .coa{flex:1}
.coacar__btn{position:absolute;top:44%;z-index:3;width:46px;height:46px;border-radius:50%;border:1px solid var(--line-2);background:#fff;box-shadow:0 10px 26px rgba(21,63,105,.16);display:grid;place-items:center;cursor:pointer;transition:transform .18s var(--ease),opacity .18s var(--ease),box-shadow .18s var(--ease)}
.coacar__btn svg{width:18px;height:18px;stroke:var(--ink);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.coacar__btn:hover{transform:translateY(-1px);box-shadow:0 14px 30px rgba(21,63,105,.22)}
.coacar__btn[disabled]{opacity:0;pointer-events:none}
.coacar__btn--prev{left:-8px}
.coacar__btn--next{right:-8px}
.coacar--all .coacar__btn,.coacar--all .coacar__f{display:none}
.coacar__f{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:6px;padding:0 2px}
.coacar__dots{display:flex;gap:5px}
.coacar__dots i{width:6px;height:6px;border-radius:50%;background:var(--line-3);transition:background .2s var(--ease),transform .2s var(--ease)}
.coacar__dots i.on{background:var(--brand);transform:scale(1.2)}
.coacar__pos{font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)}
@media (min-width:760px){ .coatrack{grid-auto-columns:calc((100% - 24px) / 2)} }
@media (min-width:1024px){ .coatrack{grid-auto-columns:calc((100% - 24px) / 3)} .coacar__btn--prev{left:-22px} .coacar__btn--next{right:-22px} }

/* ---- about: register register ---- */
.about-reg h2{display:flex;align-items:baseline;gap:12px}
.about-n{font:700 11px var(--mono);letter-spacing:.1em;color:var(--brand);min-width:2ch}
.about-defs{display:grid;gap:0;margin-top:16px;border:1px solid var(--line-2);border-radius:var(--r-md);overflow:hidden}
.about-defs>div{display:grid;grid-template-columns:1fr;gap:4px;padding:12px 16px;border-bottom:1px solid var(--line);background:var(--paper)}
.about-defs>div:last-child{border-bottom:0}
.about-defs dt{font:600 11px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--brand)}
.about-defs dd{margin:0;font-size:13.5px;line-height:1.6;color:var(--ink-2)}
.prose .tw{margin-top:16px;border:1px solid var(--line-2);border-radius:var(--r-md);overflow:auto}
.about-spec th,.about-spec td{padding:10px 14px;font-size:13px}
.about-spec tbody th{width:28%;color:var(--ink)}
@media (min-width:640px){ .about-defs>div{grid-template-columns:150px 1fr;gap:14px} }

/* ---- product cards two-up on phones ---- */
@media (max-width:639px){
  [data-featured].g4,[data-cat-grid].g4,[data-p-related].g4{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .pcard__body{padding:12px}
  .pcard__cas{font-size:9.5px}
  .pcard__name{font-size:16px;letter-spacing:-.03em}
  .pcard__seq{font-size:9.5px}
  .sizes{gap:4px;margin-top:10px;flex-wrap:wrap}
  .size{min-width:0;flex:1 1 30%;padding:6px 4px}
  .size span{font-size:10.5px}
  .size em{font-size:9.5px}
  .price{flex-wrap:wrap;gap:2px 8px;margin-bottom:9px}
  .price strong{font-size:18px}
  .price span{font-size:10px}
  .pcard .btn--sm{min-height:38px;font-size:12px;padding:0 10px}
  .pcard__lot{font-size:9.5px;gap:6px;margin-top:9px;padding-top:9px;flex-wrap:wrap}
  .pcard__flag{top:8px;left:8px;font-size:9px;padding:3px 7px}
}

/* ---- footer columns: pinned open on desktop, accordions on phones ---- */
.ftr__col summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:12px;cursor:default}
.ftr__col summary::-webkit-details-marker{display:none}
.ftr__col summary h2{margin-bottom:0}
.ftr__col summary svg{display:none;width:16px;height:16px;stroke:var(--ink-3);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s var(--ease)}
.ftr__col ul{margin-top:16px}
@media (max-width:639px){
  .ftr{padding-block:28px 22px}
  .ftr__top{gap:22px;padding-bottom:22px}
  .ftr__brand>p{font-size:12.5px;margin-top:10px}
  .ftr__cols{grid-template-columns:1fr;gap:0;border-top:1px solid var(--line-2)}
  .ftr__col{border-bottom:1px solid var(--line-2)}
  .ftr__col summary{min-height:50px;cursor:pointer;padding:0 2px}
  .ftr__col summary svg{display:block}
  .ftr__col[open] summary svg{transform:rotate(180deg)}
  .ftr__col ul{margin:0;padding:2px 2px 14px;display:grid;grid-template-columns:1fr 1fr;gap:8px 16px}
  .ftr__cols li{margin-bottom:0}
  .ftr__cols a{font-size:13.5px;line-height:1.45;display:block;padding:4px 0}
  .ftr__legal{gap:8px 16px;padding-top:16px;font-size:10px}
}

/* ---- accent overlay: orbit rings, dot grid, glow and a chromatogram, at low opacity ---- */
.sec--accent{overflow:hidden;isolation:isolate}
.sec--accent>.accent{position:absolute;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(60% 55% at 88% 12%,rgba(22,69,206,.09),rgba(22,69,206,0) 70%),
    radial-gradient(1px 1px at 50% 50%,rgba(22,69,206,.11) 0,rgba(22,69,206,.11) 1px,transparent 1.5px) 0 0/24px 24px}
.sec--accent>.wrap{position:relative;z-index:1}
.accent__orbit{position:absolute;left:-14%;top:50%;width:min(64vw,760px);height:auto;transform:translateY(-52%);overflow:visible}
.accent__orbit circle{fill:none;stroke:rgba(22,69,206,.24);stroke-width:1;stroke-dasharray:3 8;vector-effect:non-scaling-stroke}
.accent__orbit circle:nth-child(2){stroke:rgba(16,30,48,.10);stroke-dasharray:2 7}
.accent__orbit circle:nth-child(3){stroke:rgba(22,69,206,.18);stroke-dasharray:1 6}
.accent__sat{transform-origin:450px 450px;animation:hfigOrbit 140s linear infinite}
.accent__sat--2{animation-duration:95s;animation-direction:reverse}
.accent__sat circle{fill:rgba(22,69,206,.45);stroke:none;stroke-dasharray:none}
.accent__trace{position:absolute;left:0;right:0;bottom:-2px;width:100%;height:150px;display:block}
.accent__trace path{fill:none;stroke:rgba(22,69,206,.22);stroke-width:1.4;vector-effect:non-scaling-stroke;stroke-linecap:round}
@media (max-width:899px){ .accent__orbit{left:-40%;top:auto;bottom:-20%;width:120vw;transform:none} .accent__trace{height:90px} }
@media (prefers-reduced-motion:reduce){ .accent__sat{animation:none} }