/* ==========================================================================
   SeqLine Bio — v3 "instrument / spec-sheet" design system (2026-09-29)
   Dark graphite base, one cyan signal colour, hairline ledgers instead of
   cards, oversized display type, mono for every label and code.
   ========================================================================== */

/* ---------- self-hosted variable fonts ---------- */
@font-face { font-family: "Bricolage Grotesque"; font-style: normal; font-weight: 200 800; font-stretch: 75% 100%; font-display: swap; src: url("/assets/fonts/bricolage.woff2") format("woff2"); }
@font-face { font-family: "Archivo"; font-style: normal; font-weight: 100 900; font-stretch: 62% 125%; font-display: swap; src: url("/assets/fonts/archivo.woff2") format("woff2"); }
@font-face { font-family: "Archivo"; font-style: italic; font-weight: 100 900; font-stretch: 62% 125%; font-display: swap; src: url("/assets/fonts/archivo-italic.woff2") format("woff2"); }
@font-face { font-family: "JetBrains Mono"; font-style: normal; font-weight: 100 800; font-display: swap; src: url("/assets/fonts/jetbrains-mono.woff2") format("woff2"); }

:root {
  /* light-first surfaces */
  --bg: #f3f4ef;
  --bg-2: #e9ebe4;
  --panel: #ffffff;
  --panel-2: #ffffff;
  --paper: #f3f4ef;
  --paper-2: #ffffff;
  /* text */
  --fg: #151d23;
  --fg-2: #4d5b61;
  --fg-3: #7b878c;
  /* lines */
  --line: rgba(21, 29, 35, .12);
  --line-2: rgba(21, 29, 35, .3);
  /* signal */
  --cyan: #0e9fc0;
  --cyan-2: #0b8fae;
  --accent: #0b8fae;
  --accent-fg: #ffffff;
  --amber: #a56c14;
  --amber-bg: rgba(165, 108, 20, .09);
  --amber-line: rgba(165, 108, 20, .35);
  --green: #1d7d55;
  --lime: rgba(29, 125, 85, .1);
  --red: #b42318;
  /* legacy aliases used by inline styles / other stylesheets */
  --ink: var(--fg);
  --text: var(--fg);
  --muted: var(--fg-2);
  --navy: #151d23;
  --blue: var(--accent);
  --wash: var(--bg-2);
  --mist: rgba(11, 143, 174, .1);
  --r-sm: 3px;
  --r-md: 4px;
  --r-lg: 6px;
  --shadow: 0 30px 80px -30px rgba(21, 29, 35, .35);
  /* type */
  --font-display: "Bricolage Grotesque", "Archivo", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --dots: radial-gradient(rgba(21, 29, 35, .12) 1px, transparent 1.2px);
  --ease: cubic-bezier(.2, .7, .2, 1);
  --top-h: 108px;
}

/* dark contexts: masthead, hero, footer, explicit dark sections. Every component reads the same variables. */
.top, .footer, .section.dark, .inverted, .chromBox, .stageInner {
  --bg: #151d23; --bg-2: #1b262d; --panel: #212d35; --panel-2: #283640;
  --fg: #e9eeef; --fg-2: #a9b7bc; --fg-3: #7f8e95;
  --line: rgba(233, 238, 239, .14); --line-2: rgba(233, 238, 239, .3);
  --cyan: #28d3f2; --accent: #28d3f2; --accent-fg: #06181d;
  --amber: #f2b45c; --amber-bg: rgba(242, 180, 92, .1); --amber-line: rgba(242, 180, 92, .35);
  --green: #62d69c; --lime: rgba(98, 214, 156, .12); --red: #ff7b72;
  --mist: rgba(40, 211, 242, .12);
  --dots: radial-gradient(rgba(233, 238, 239, .09) 1px, transparent 1.2px);
  --shadow: 0 30px 80px -30px rgba(0, 0, 0, .8);
}
.section.dark, .inverted { background: var(--bg); color: var(--fg); }


* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
[hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.mobileBreak { display: none; }
::selection { background: var(--cyan); color: #06181d; }
main { counter-reset: sec; }

/* ---------- type ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  font-variation-settings: "opsz" 96, "wdth" 92;
  letter-spacing: -.03em;
  line-height: .98;
  color: var(--fg);
  margin: 0;
}
h3, h4 { font-variation-settings: "opsz" 40, "wdth" 95; letter-spacing: -.02em; line-height: 1.08; }
p { margin: 0; }
p + p { margin-top: 1em; }
h2 + p, h2 + ul { margin-top: 16px; }
h3 + p, h3 + ul { margin-top: 8px; }
h1 + p { margin-top: 20px; }
code, kbd { font-family: var(--font-mono); font-size: .92em; }
.mono, .eyebrow, .pill, .meta span, .modeBadge, .ladderPrice, .cardCue, .previewTag, .coaStatus span, .coaCardStatus, .coaCardType,
.badgeRow span, .productArt .lot, .productArt .purity, .replyChip, .qtyTier b, .specTable th, .moqTable th, .coaCard dt,
.catNav a, .top .links a, .mobileMenu a, .lotbox span, .assetCard h4, .chromBox .chromHead, .price .small, .cardNote, .modeLine, .modeHint,
.pageHero .crumbs, .catSearchCount, .catSection .head .note, .footer b, .footBase, .topBar, .persona .tag, .trustStrip b, .form label,
.quoteFormCard label, .drawerForm label, .coaControls label, .btn, .navCta, .quoteBtn, .addQuote, .quoteItem .qtyRow label, .submitStatus {
  font-family: var(--font-mono);
}
.eyebrow {
  position: relative; display: inline-block; padding-left: 26px;
  margin: 0 0 22px; color: var(--accent);
  font-size: 11.5px; font-weight: 500; letter-spacing: .16em; text-transform: uppercase; line-height: 1.6;
}
.eyebrow::before { content: ""; position: absolute; left: 0; top: .8em; width: 16px; height: 1px; background: var(--accent); }
.lead { font-size: 19px; line-height: 1.5; color: var(--fg-2); max-width: 640px; }

.wrap { width: min(1360px, calc(100% - 64px)); margin: 0 auto; }

/* ---------- motion ---------- */
@keyframes rise { from { opacity: 0; translate: 0 22px; } to { opacity: 1; translate: 0 0; } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.hero .eyebrow, .hero h1, .hero .lead, .hero .ctaRow, .hero .trustStrip, .hero .photoCaption, .hero .smallPhoto,
.pageHero .crumbs, .pageHero .eyebrow, .pageHero h1, .pageHero p:not(.crumbs):not(.eyebrow), .pageHero .ctaRow, .pageHero .catSearch, .pageHero .coaLibraryStats {
  animation: rise .9s var(--ease) both;
}
.hero .mainPhoto { animation: fadeIn 1.6s ease both; }
.hero h1, .pageHero h1 { animation-delay: .1s; }
.hero .lead, .pageHero p:not(.crumbs):not(.eyebrow) { animation-delay: .2s; }
.hero .ctaRow, .pageHero .ctaRow, .pageHero .catSearch, .pageHero .coaLibraryStats { animation-delay: .3s; }
.hero .trustStrip { animation-delay: .42s; }
.hero .photoCaption, .hero .smallPhoto { animation-delay: .5s; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* ---------- masthead ---------- */
.top {
  position: sticky; top: 0; z-index: 80;
  background: rgba(21, 29, 35, .97);
  -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line-2);
}
.topBar { border-bottom: 1px solid var(--line); color: var(--fg-3); font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase; }
.topBarIn { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 32px; }
.topBarIn span { white-space: nowrap; }
.topBarIn span:nth-child(2)::before { content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 999px; background: var(--green); margin-right: 8px; vertical-align: 1px; box-shadow: 0 0 0 3px rgba(98, 214, 156, .18); }
.nav { height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 11px; flex-shrink: 0; }
.brand img { height: 44px !important; width: auto !important; }
.logo { width: 42px; height: 42px; display: grid; place-items: center; overflow: hidden; background: var(--fg); }
.logo img { width: 100%; height: 100%; display: block; }
.brand b { display: block; font-size: 17px; letter-spacing: -.035em; }
.brand small { display: block; font-size: 11.5px; color: var(--fg-3); }
.links { display: flex; align-items: center; gap: 2px; }
.top .links a {
  position: relative; white-space: nowrap; padding: 10px 12px;
  font-size: 11.5px; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--fg-2);
  transition: color .15s;
}
.top .links a::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: 4px; height: 1px; background: var(--cyan); transform: scaleX(0); transform-origin: left; transition: transform .25s var(--ease); }
.top .links a:hover { color: var(--fg); }
.top .links a:hover::after, .top .links a[aria-current="page"]::after { transform: scaleX(1); }
.top .links a[aria-current="page"] { color: var(--fg); }
.top .links a[hreflang] { color: var(--fg-3); border: 1px solid var(--line-2); padding: 7px 10px; margin-left: 10px; }
.top .links a[hreflang]::after { display: none; }
.navCta, .quoteBtn, .top .links a.quoteBtn {
  display: inline-flex; align-items: center; gap: 10px; margin-left: 12px;
  border: 1px solid var(--cyan); background: var(--cyan); color: var(--accent-fg);
  padding: 10px 14px; font-size: 11.5px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; white-space: nowrap; cursor: pointer;
  transition: background .15s, border-color .15s, color .15s;
}
.navCta:hover, .quoteBtn:hover, .top .links a.quoteBtn:hover { background: var(--fg); border-color: var(--fg); color: var(--bg); }
.top .links a.quoteBtn::after { display: none; }
.quoteBtn .badge { display: inline-grid; place-items: center; min-width: 18px; height: 18px; padding: 0 5px; background: #06181d; color: var(--cyan); font-size: 10.5px; font-weight: 600; }
.mobileOnly { display: none; }
.mobileMenuToggle, .mobileMenu { display: none; }

/* ---------- home hero: full-bleed photograph, copy in front ---------- */
.hero { position: relative; overflow: hidden; background: var(--bg); min-height: min(92vh, 920px); display: flex; align-items: flex-end; border-bottom: 1px solid var(--line-2); }
.heroGrid { position: static; display: block; width: min(1360px, calc(100% - 64px)); margin: 0 auto; padding: 120px 0 0; }
.heroCopy { position: relative; z-index: 2; max-width: 1100px; }
.hero h1 {
  font-size: clamp(46px, 7.4vw, 112px);
  font-weight: 600; font-variation-settings: "opsz" 96, "wdth" 88;
  line-height: .92; letter-spacing: -.04em; max-width: 12.5ch; margin: 0 0 28px;
}
.hero .lead { font-size: 19px; max-width: 600px; }
.ctaRow { display: flex; gap: 12px; flex-wrap: wrap; margin: 36px 0 0; }
.hero .productStage.photoStage {
  position: absolute; inset: 0; z-index: 0; min-height: 0; padding: 0; border: 0; border-radius: 0; box-shadow: none; background: var(--bg); display: block;
}
.photoStage .heroPhoto { display: block; }
.hero .photoStage .mainPhoto { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 60% 40%; opacity: .9; filter: grayscale(.15) contrast(1.02) brightness(1.04); }
.hero .photoStage::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(243, 244, 239, 1) 0%, rgba(243, 244, 239, .96) 30%, rgba(243, 244, 239, .55) 58%, rgba(243, 244, 239, .12) 100%), linear-gradient(180deg, rgba(243, 244, 239, .35) 0%, rgba(243, 244, 239, 0) 35%, rgba(243, 244, 239, .92) 100%); }
.hero .photoStage .smallPhoto {
  position: absolute; z-index: 3; top: 132px; right: max(32px, calc((100% - 1360px) / 2)); width: 320px; height: 210px;
  object-fit: cover; border: 4px solid #fff; box-shadow: var(--shadow); filter: grayscale(.1);
}
.hero .photoCaption {
  position: absolute; z-index: 3; top: 366px; right: max(32px, calc((100% - 1360px) / 2)); width: 320px;
  background: rgba(255, 255, 255, .86); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border: 1px solid var(--line-2); border-left: 2px solid var(--accent); padding: 18px 20px; color: var(--fg);
}
.photoCaption .eyebrow { margin-bottom: 10px; color: var(--accent) !important; }
.photoCaption h3 { font-size: 22px; margin: 0 0 8px; }
.photoCaption span { font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em; color: var(--fg-2); text-transform: uppercase; }
.trustStrip { counter-reset: trust; display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 72px; border-top: 1px solid var(--line-2); }
.trustStrip div { counter-increment: trust; padding: 20px 20px 28px 0; border-right: 1px solid var(--line); }
.trustStrip div + div { padding-left: 20px; }
.trustStrip div:last-child { border-right: 0; }
.trustStrip div::before { content: "0" counter(trust); display: block; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .12em; color: var(--fg-3); margin-bottom: 12px; }
.trustStrip b { display: block; font-size: 12px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--cyan); }
.trustStrip span { display: block; color: var(--fg-2); font-size: 13.5px; margin-top: 6px; line-height: 1.45; }
.replyChip { display: inline-flex; align-items: center; gap: 8px; margin-top: 14px; padding: 6px 10px; border: 1px solid var(--line-2); color: var(--fg-2); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.replyChip::before { content: ""; width: 6px; height: 6px; border-radius: 999px; background: var(--green); box-shadow: 0 0 0 3px rgba(98, 214, 156, .18); }

/* legacy stage (vial mock) used on some pages */
.productStage { background: var(--panel); border: 1px solid var(--line-2); padding: 10px; display: flex; }
.stageInner { flex: 1; min-height: 460px; background: linear-gradient(145deg, #151d23, #12232b 55%, #0b3a45); position: relative; overflow: hidden; color: #fff; }
.stageTop { padding: 22px 24px; display: flex; align-items: flex-start; justify-content: space-between; }
.pill { display: inline-flex; align-items: center; padding: 6px 10px; font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; border: 1px solid var(--line-2); color: var(--fg-2); }
.vialShelf { position: absolute; left: 24px; right: 24px; top: 132px; display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
.vial { height: 148px; border-radius: 18px 18px 6px 6px; background: linear-gradient(180deg, rgba(255, 255, 255, .95), rgba(220, 240, 244, .7)); box-shadow: inset 0 -44px 0 rgba(40, 211, 242, .25); position: relative; }
.vial::before { content: ""; position: absolute; left: 20%; right: 20%; top: -12px; height: 20px; border-radius: 4px; background: #9fb0b8; }
.coaPanel { position: absolute; left: 24px; right: 24px; bottom: 24px; background: var(--paper); color: #151d23; padding: 20px; }
.coaPanel h3 { margin: 0 0 10px; font-size: 20px; color: #151d23; }
.coaRows { display: grid; gap: 6px; }
.coaRows p { margin: 0; display: flex; justify-content: space-between; border-bottom: 1px solid rgba(21, 29, 35, .12); padding: 8px 0; color: #4d5b61; font-family: var(--font-mono); font-size: 12.5px; }
.coaRows p:last-child { border-bottom: 0; }
.coaRows b { color: #151d23; }
.introBand { padding: 72px 0; border-top: 1px solid var(--line); }
.compactHead { margin-bottom: 28px; }
.quickTrust .card h3 { font-size: 22px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 22px; border: 1px solid transparent; border-radius: var(--r-sm);
  font-size: 12px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; line-height: 1.2; cursor: pointer;
  transition: background .15s, color .15s, border-color .15s, transform .15s var(--ease);
}
.btn.primary { background: var(--cyan); border-color: var(--cyan); color: var(--accent-fg); }
.btn.primary:hover { background: var(--fg); border-color: var(--fg); color: var(--bg); }
.btn.secondary { background: transparent; border-color: var(--line-2); color: var(--fg); }
.btn.secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn.ghost { padding: 0 0 3px; border: 0; border-bottom: 1px solid currentColor; border-radius: 0; color: var(--accent); background: none; }
.btn.ghost:hover { color: var(--fg); }
.btn.waBtn { background: #22c55e; border-color: #22c55e; color: #05200f; }
.btn.waBtn:hover { background: #4ade80; border-color: #4ade80; color: #05200f; }

/* ---------- sections ---------- */
.section { position: relative; padding: 112px 0; border-top: 1px solid var(--line); }
.sectionHead { counter-increment: sec; }
.section.alt { background: var(--bg-2); }
.section.cream { background: #f1ede1; }
.section.dark { border-top: 0; }
.sectionHead { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 20px 40px; align-items: start; margin-bottom: 64px; padding-bottom: 32px; border-bottom: 1px solid var(--line-2); }
.sectionHead > .eyebrow { grid-column: 1; grid-row: 1; margin: 6px 0 0; }
.sectionHead > .eyebrow::before { display: none; }
.sectionHead > .eyebrow::after { content: "§ " counter(sec, decimal-leading-zero); display: block; font-size: 42px; letter-spacing: -.04em; color: var(--fg-3); margin-top: 10px; font-family: var(--font-display); font-weight: 500; line-height: 1; }
.sectionHead h2 { grid-column: 2; font-size: clamp(36px, 4.4vw, 68px); max-width: 16ch; }
.sectionHead p:not(.eyebrow) { grid-column: 2; font-size: 18px; color: var(--fg-2); max-width: 720px; }
.sectionHead.center { text-align: left; }

h2 { font-size: clamp(30px, 3.4vw, 46px); }

/* ---------- index rows (cards) ---------- */
.grid { display: grid; gap: 0; border-top: 1px solid var(--line-2); counter-reset: card; }
.grid.two, .grid.three { grid-template-columns: 1fr; }
.grid > .card {
  display: grid; grid-template-columns: 64px minmax(0, .7fr) minmax(0, 1.3fr); gap: 10px 40px; align-items: start;
  padding: 34px 0; border-bottom: 1px solid var(--line); counter-increment: card;
  background: none; border-radius: 0; min-height: 0; transition: background .15s;
}
.grid > .card::before { content: counter(card, decimal-leading-zero); grid-column: 1; grid-row: 1; padding-top: 8px; font-family: var(--font-mono); font-size: 12px; letter-spacing: .08em; color: var(--fg-3); }
.grid > .card h3 { grid-column: 2; font-size: 28px; margin: 0; max-width: 18ch; }
.grid > .card > *:not(h3):not(.tag) { grid-column: 3; }
.grid > .card p { color: var(--fg-2); font-size: 16px; line-height: 1.6; max-width: 720px; }
.grid > .card ul { margin: 6px 0 0; padding-left: 18px; color: var(--fg-2); }
.grid > .card li { margin: 6px 0; }
.grid > .card li::marker { color: var(--accent); }
.grid > .card:hover { background: linear-gradient(90deg, var(--panel) 0%, transparent 70%); }
.grid.four { grid-template-columns: repeat(4, 1fr); gap: 0 32px; }
.grid.four .card { display: block; padding: 26px 0; border-top: 0; }
.grid.four .card::before { display: block; margin-bottom: 18px; }
.grid.four .card h3 { font-size: 22px; margin-bottom: 10px; }
.grid.four .card p { font-size: 14.5px; }
.grid.four .card:hover { background: none; }


/* standalone .card (not a ledger row): a bordered panel; plain grids inside keep real columns */
.card:not(.grid > .card) { border: 1px solid var(--line-2); background: var(--panel); padding: 28px; }
.card:not(.grid > .card) h2 { margin-bottom: 16px; }
.card:not(.grid > .card) h3 { font-size: 22px; }
.card:not(.grid > .card) p { color: var(--fg-2); }
.grid:not(:has(> .card)) { border-top: 0; }
.grid.two:not(:has(> .card)) { grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid.three:not(:has(> .card)) { grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 720px) { .grid.two:not(:has(> .card)), .grid.three:not(:has(> .card)) { grid-template-columns: 1fr; } }

/* persona row */
.personas { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 40px; margin-top: 24px; border-top: 1px solid var(--line-2); }
.persona { display: flex; flex-direction: column; gap: 12px; padding: 28px 0 32px; border-right: 1px solid var(--line); padding-right: 28px; }
.persona:last-child { border-right: 0; }
.persona .tag { font-size: 11px; letter-spacing: .14em; color: var(--accent); text-transform: uppercase; }
.persona h3 { font-size: 26px; }
.persona p { color: var(--fg-2); }
.persona a.more { margin-top: auto; color: var(--accent); font-family: var(--font-mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.persona a.more:hover { color: var(--fg); }

/* ---------- catalog ledger ---------- */
.catalog { display: block; border-top: 1px solid var(--line-2); }
.product {
  display: grid; grid-template-columns: 112px minmax(0, 1.15fr) minmax(0, 1fr) 240px; grid-auto-flow: row dense;
  gap: 6px 32px; align-items: start; padding: 22px 0; border-bottom: 1px solid var(--line);
  background: none; border-radius: 0; overflow: visible; transition: background .15s;
}
.product:hover { background: linear-gradient(90deg, var(--panel) 0%, transparent 80%); }
.productArt { grid-column: 1; grid-row: 1 / span 8; width: 112px; height: 112px; background: var(--panel); background-image: var(--dots); background-size: 14px 14px; border: 1px solid var(--line); display: grid; place-items: center; position: relative; overflow: hidden; }
.productArt img { max-width: 78%; max-height: 82%; object-fit: contain; transition: transform .35s var(--ease); }
.product:hover .productArt img { transform: scale(1.06); }
.productArt img[src$=".svg"] { width: 100%; height: 100%; max-width: 100%; max-height: 100%; object-fit: contain; padding: 8px; }
.productArt img:not([src$=".svg"]) { width: 100% !important; height: 100% !important; max-width: 100% !important; max-height: 100% !important; object-fit: contain !important; padding: 8px !important; }
.productBody { display: contents; }
.product h3 { grid-column: 2; font-size: 26px; margin: 0; }
.product h3 a:hover { color: var(--accent); }
.formula { grid-column: 2; color: var(--fg-2); font-size: 13.5px; line-height: 1.5; max-width: 520px; }
.cardNote { grid-column: 2; font-size: 11px; color: var(--fg-3); letter-spacing: .02em; line-height: 1.5; }
.meta { grid-column: 3; display: flex; flex-wrap: wrap; gap: 6px; }
.meta span { border: 1px solid var(--line-2); padding: 4px 8px; font-size: 11px; color: var(--fg); letter-spacing: .04em; }
.badgeRow { grid-column: 3; display: flex; gap: 6px; flex-wrap: wrap; }
.badgeRow span { background: var(--mist); color: var(--accent); padding: 3px 8px; font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }
.badgeRow span.warn { background: var(--amber-bg); color: var(--amber); }
.card--mode, .modeLine { grid-column: 3; }
.cardFoot { grid-column: 4; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.coaLine { grid-column: 4; margin: 0; display: flex; }
.coaLine .coaCatBtn { width: 100%; text-align: center; padding: 10px 10px; font-size: 10.5px; border: 1px solid var(--line-2); color: var(--fg); border-radius: var(--r-sm); background: none; }
.coaLine .coaCatBtn:hover { border-color: var(--accent); color: var(--accent); }
.addQuote { width: 100%; border: 1px solid var(--cyan); background: var(--cyan); color: var(--accent-fg); padding: 12px 14px; font-size: 11.5px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; cursor: pointer; border-radius: var(--r-sm); transition: background .15s, border-color .15s; }
.addQuote:hover { background: var(--fg); border-color: var(--fg); color: var(--bg); }
.deepLink { font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); text-align: center; }
.deepLink:hover { color: var(--fg); }
.price { grid-column: 4; font-size: 12px; color: var(--fg-2); text-align: center; }
.price b { font-size: 16px; color: var(--fg); }
.price .small { color: var(--fg-3); font-size: 11px; }
.productArt .lot { display: none; }
.productArt .purity { position: absolute; left: 0; right: 0; bottom: 0; display: flex; align-items: center; justify-content: center; height: 20px; background: rgba(21, 29, 35, .85); color: var(--cyan); font-size: 9.5px; letter-spacing: .06em; white-space: nowrap; }
.catSection .product:has(.coaLine[data-coa-covered]:not([data-coa-covered="0"])) .productArt::after {
  content: "COA"; position: absolute; left: 0; top: 0; padding: 2px 6px; background: var(--cyan); color: #06181d; font-family: var(--font-mono); font-size: 9px; font-weight: 700; letter-spacing: .1em;
}
#extended-quote-list .catalog { display: block; }
.product--quoteOnly { grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr) 240px; padding: 16px 0; }
.product--quoteOnly .productArt { display: none; }
.product--quoteOnly h3 { grid-column: 1; font-size: 20px; }
.product--quoteOnly .formula, .product--quoteOnly .cardNote { display: none; }
.product--quoteOnly .meta, .product--quoteOnly .badgeRow, .product--quoteOnly .card--mode, .product--quoteOnly .modeLine { grid-column: 2; }
.product--quoteOnly .cardFoot, .product--quoteOnly .coaLine, .product--quoteOnly .price { grid-column: 3; }

/* ---------- page hero ---------- */
.pageHero { position: relative; padding: 96px 0 72px; border-bottom: 1px solid var(--line-2); overflow: hidden; background-image: var(--dots); background-size: 26px 26px; }
.pageHero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(70% 80% at 18% 30%, var(--bg) 20%, transparent 100%), radial-gradient(40% 60% at 100% 0%, rgba(40, 211, 242, .16), transparent 70%); pointer-events: none; }
.pageHero .wrap { position: relative; z-index: 1; }
.pageHero h1 { font-size: clamp(42px, 6vw, 92px); line-height: .94; letter-spacing: -.04em; font-variation-settings: "opsz" 96, "wdth" 88; max-width: 18ch; margin: 0 0 24px; }
.pageHero p { font-size: 18px; line-height: 1.55; color: var(--fg-2); max-width: 720px; }
.pageHero .crumbs { font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--fg-3); margin-bottom: 20px; }
.pageHero .crumbs a { color: var(--fg-2); }
.pageHero .crumbs a:hover { color: var(--accent); }
.pageHero .ctaRow { margin-top: 30px; }

/* ---------- product page ---------- */
.productLayout { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.productLayout .visual { background: var(--panel); background-image: var(--dots); background-size: 22px 22px; border: 1px solid var(--line-2); padding: 40px; position: relative; }
.productLayout .visual::before { content: "SPECIMEN"; position: absolute; left: 16px; top: 12px; font-family: var(--font-mono); font-size: 10px; letter-spacing: .18em; color: var(--fg-3); }
.productLayout .visual img { width: 72%; height: auto; margin: 0 auto; filter: drop-shadow(0 30px 40px rgba(0, 0, 0, .5)); }
.productLayout .visual img[src$=".svg"] { width: 100%; max-width: 440px; }
.productLayout .visual .lotbox { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 24px; }
.productLayout .visual .lotbox span { border: 1px solid var(--line-2); padding: 6px 10px; font-size: 11px; letter-spacing: .06em; color: var(--fg); }

.specTable { width: 100%; border-collapse: collapse; border-top: 1px solid var(--line-2); }
.specTable th, .specTable td { text-align: left; padding: 14px 16px 14px 0; border-bottom: 1px solid var(--line); font-size: 15px; vertical-align: top; }
.specTable th { color: var(--fg-3); width: 34%; font-weight: 500; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; padding-top: 17px; }
.specTable td { color: var(--fg); }
.moqTable { width: 100%; border-collapse: collapse; margin-top: 14px; border-top: 1px solid var(--line-2); }
.moqTable th, .moqTable td { padding: 12px 14px 12px 0; border-bottom: 1px solid var(--line); text-align: left; font-size: 14.5px; }
.moqTable th { color: var(--fg-3); font-weight: 500; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; }

.ousBanner { border: 1px solid var(--amber-line); border-left: 3px solid var(--amber); background: var(--amber-bg); padding: 18px 20px; display: flex; gap: 16px; align-items: flex-start; margin: 20px 0 8px; }
.ousBanner .icon { width: 34px; height: 34px; background: var(--amber); color: #06181d; display: grid; place-items: center; font-family: var(--font-mono); font-weight: 700; flex-shrink: 0; }
.ousBanner b { color: var(--amber); display: block; margin-bottom: 4px; font-size: 14px; letter-spacing: .04em; }
.ousBanner p { color: var(--fg-2); margin: 0; font-size: 14px; }
.note { font-size: 13px; color: var(--fg-2); background: var(--amber-bg); border: 1px solid var(--amber-line); border-left: 3px solid var(--amber); padding: 14px; }

/* FAQ */
.faq { display: block; border-top: 1px solid var(--line-2); }
.faq details { padding: 0; border-bottom: 1px solid var(--line); background: none; border-radius: 0; }
.faq summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 24px 0; font-family: var(--font-display); font-weight: 600; font-variation-settings: "opsz" 40, "wdth" 95; letter-spacing: -.02em; font-size: 22px; color: var(--fg); transition: color .15s; }
.faq summary:hover { color: var(--accent); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--font-mono); color: var(--accent); font-size: 24px; font-weight: 300; flex-shrink: 0; transition: transform .25s var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq p { margin: 0 0 26px; color: var(--fg-2); font-size: 16px; max-width: 760px; }

/* related */
.related { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0 32px; border-top: 1px solid var(--line-2); }
.related a { padding: 22px 0 26px; display: flex; flex-direction: column; gap: 6px; border-bottom: 1px solid var(--line); transition: color .15s; }
.related a:hover b { color: var(--accent); }
.related b { font-family: var(--font-display); font-weight: 600; font-size: 22px; letter-spacing: -.02em; color: var(--fg); transition: color .15s; }
.related span { color: var(--fg-2); font-size: 13.5px; }

/* lab flow */
.labFlow { counter-reset: flow; }
.labStep::before { content: counter(card, decimal-leading-zero); }

/* split */
.split { display: grid; grid-template-columns: .8fr 1.2fr; gap: 64px; align-items: start; }

/* factory numbers */
.factoryStrip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0 32px; margin-top: 32px; border-top: 1px solid var(--line-2); }
.factoryStrip .cell { padding: 24px 0 8px; border-bottom: 0; background: none; border-radius: 0; color: var(--fg); }
.factoryStrip .cell b { display: block; font-family: var(--font-display); font-weight: 600; font-size: clamp(40px, 4vw, 60px); letter-spacing: -.04em; line-height: 1; color: var(--fg); }
.factoryStrip .cell span { display: block; color: var(--fg-2); font-size: 13.5px; margin-top: 10px; }

/* catalog nav + sections */
.catNav { position: sticky; top: var(--top-h); z-index: 50; background: rgba(243, 244, 239, .92); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line-2); padding: 0; }
.catNavWrap { display: flex; justify-content: flex-start; }
.catNav .links { gap: 0; flex-wrap: wrap; }
.catNav a { padding: 15px 18px 15px 0; margin-right: 18px; color: var(--fg-2); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; white-space: nowrap; border-bottom: 1px solid transparent; transition: color .15s; }
.catNav a:hover { color: var(--accent); }
.catSection { padding: 72px 0 16px; }
.catSection .head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 20px; }
.catSection .head h2 { font-size: clamp(32px, 3.6vw, 48px); }
.catSection .head .note { color: var(--fg-3); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; }
.catSearch { margin-top: 30px; max-width: 620px; display: flex; align-items: center; gap: 16px; }
.catSearch input { flex: 1; padding: 14px 16px; border: 1px solid var(--line-2); background: var(--panel); color: var(--fg); font: inherit; font-size: 15px; border-radius: var(--r-sm); }
.catSearch input::placeholder { color: var(--fg-3); }
.catSearchCount { font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--fg-3); white-space: nowrap; }

/* ---------- forms ---------- */
.form { border: 1px solid var(--line-2); padding: 32px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; background: var(--panel); }
.form label, .quoteFormCard label, .drawerForm label, .coaControls label { font-size: 11px; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; color: var(--fg-2); }
.form input, .form select, .form textarea, .quoteFormCard input, .quoteFormCard select, .quoteFormCard textarea, .drawerForm input, .drawerForm textarea, .coaControls input, .coaControls select, .quoteItem input[type="number"], .qRow .ctrl input[type="number"], .specOptions input[type="number"] {
  width: 100%; margin-top: 8px; border: 1px solid var(--line-2); background: var(--bg); color: var(--fg); padding: 13px 14px; font: inherit; font-size: 15px; border-radius: var(--r-sm); transition: border-color .15s, box-shadow .15s;
}
.form input::placeholder, .quoteFormCard input::placeholder, .quoteFormCard textarea::placeholder, .drawerForm input::placeholder, .drawerForm textarea::placeholder, .coaControls input::placeholder { color: var(--fg-3); }
.form select, .quoteFormCard select, .coaControls select { appearance: none; -webkit-appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--fg-2) 50%), linear-gradient(135deg, var(--fg-2) 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 14px) 50%; background-size: 6px 6px; background-repeat: no-repeat; padding-right: 40px; }
.form textarea, .quoteFormCard textarea { min-height: 130px; resize: vertical; }
.form .wide { grid-column: 1 / -1; }
a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }
input:focus, select:focus, textarea:focus { border-color: var(--cyan) !important; box-shadow: 0 0 0 3px rgba(40, 211, 242, .18); outline: none; }

/* ---------- footer ---------- */
.footer { background: var(--bg); color: var(--fg-2); padding: 0 0 36px; border-top: 1px solid var(--line-2); overflow: hidden; }
.footMast { display: grid; grid-template-columns: minmax(0, 1fr) 380px; align-items: end; gap: 32px; padding: 72px 0 40px; border-bottom: 1px solid var(--line); }
.footer .footWord { display: block; margin-top: 0; font-family: var(--font-display); font-weight: 600; font-variation-settings: "opsz" 96, "wdth" 90; font-size: clamp(56px, 10.5vw, 150px); line-height: .95; letter-spacing: -.04em; color: var(--fg); margin-left: -.03em; }
.footMastCopy p { font-size: 16px; line-height: 1.55; margin: 0 0 20px; color: var(--fg-2); }
.footGrid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; padding: 44px 0; border-bottom: 1px solid var(--line); }
.footer b { display: block; color: var(--fg-3); margin-bottom: 14px; font-size: 10.5px; font-weight: 500; letter-spacing: .16em; text-transform: uppercase; }
.footer a, .footer span { display: block; color: var(--fg-2); margin-top: 8px; font-size: 14.5px; }
.footer a:hover { color: var(--accent); }
.footer .small { font-family: var(--font-mono); font-size: 11.5px; color: var(--fg-3); }
.footer .addr { font-size: 13px; line-height: 1.45; color: var(--fg-2); max-width: 260px; }
.footBase { display: flex; justify-content: space-between; gap: 24px; padding-top: 22px; font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--fg-3); }
.footBase span { margin: 0; font-size: inherit; color: inherit; display: inline; }
.footMastCopy .btn.primary { display: inline-flex; margin: 0; color: var(--accent-fg); font-size: 12px; }

/* ---------- quote drawer ---------- */
.drawer { position: fixed; inset: 0; z-index: 100; pointer-events: none; }
.drawer.open { pointer-events: auto; }
.drawerShade { position: absolute; inset: 0; background: rgba(0, 0, 0, .6); opacity: 0; transition: .2s; }
.drawer.open .drawerShade { opacity: 1; }
.drawerPanel { position: absolute; top: 0; right: 0; width: min(620px, 100%); height: 100%; background: var(--bg-2); border-left: 1px solid var(--line-2); transform: translateX(105%); transition: transform .32s var(--ease); display: flex; flex-direction: column; }
.drawer.open .drawerPanel { transform: translateX(0); }
.drawerHead { display: flex; align-items: center; justify-content: space-between; padding: 22px 26px; border-bottom: 1px solid var(--line-2); }
.drawerHead h3 { margin: 0; font-size: 26px; }
.drawerHead h3::after { content: "Add several items, send once"; display: block; margin-top: 6px; font-family: var(--font-mono); font-size: 11px; font-weight: 400; letter-spacing: .1em; text-transform: uppercase; color: var(--fg-3); }
.close { border: 1px solid var(--line-2); background: none; width: 40px; height: 40px; font-size: 20px; cursor: pointer; color: var(--fg); transition: background .15s, color .15s; }
.close:hover { background: var(--fg); color: var(--bg); }
.quoteItems { padding: 20px 26px; overflow: auto; flex: 1; display: grid; gap: 0; align-content: start; }
.quoteItem { border-bottom: 1px solid var(--line); padding: 16px 0; background: none; border-radius: 0; }
.quoteItemTop { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.quoteItemTop b { font-size: 17px; line-height: 1.25; color: var(--fg); font-family: var(--font-display); font-weight: 600; letter-spacing: -.01em; }
.quoteItem .muted { color: var(--fg-2); font-size: 13px; margin-top: 4px; }
.quoteItem .qtyRow { display: flex; gap: 10px; align-items: center; justify-content: space-between; margin-top: 12px; }
.quoteItem .qtyRow label { font-size: 11px; }
.quoteItem input[type="number"] { width: 110px; margin: 0; text-align: center; padding: 9px 10px; font-family: var(--font-mono); }
.quoteItem button { border: 1px solid var(--line-2); background: none; color: var(--fg-2); padding: 7px 10px; cursor: pointer; font-family: var(--font-mono); font-size: 11px; letter-spacing: .06em; text-transform: uppercase; }
.quoteItem button:hover { color: var(--red); border-color: var(--red); }
.quoteItem .itemHint { margin-top: 9px; color: var(--fg-3); font-size: 12px; line-height: 1.4; }
.cartIntro { border: 1px solid var(--line-2); border-left: 2px solid var(--cyan); padding: 16px; display: grid; gap: 8px; margin-bottom: 14px; }
.cartIntro b { font-size: 15px; color: var(--fg); }
.cartIntro span { font-size: 13px; color: var(--fg-2); line-height: 1.45; }
.cartIntroActions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 2px; }
.cartIntroActions .btn { padding: 10px 12px; font-size: 11px; }
.drawerForm { padding: 18px 26px; border-top: 1px solid var(--line-2); display: grid; gap: 12px; grid-template-columns: 1fr 1fr; }
.drawerForm label:last-child { grid-column: 1 / -1; }
.drawerForm input, .drawerForm textarea { margin-top: 6px; padding: 10px 12px; }
.drawerFoot { padding: 18px 26px 22px; border-top: 1px solid var(--line-2); display: grid; gap: 10px; }
.drawerFoot .btn.primary::after { content: " · all items"; }
.empty, .emptyCart { color: var(--fg-2); font-size: 14px; }

/* ---------- WhatsApp floater ---------- */
.waFloater {
  position: fixed; right: 24px; bottom: 24px; z-index: 60;
  min-width: 160px; min-height: 50px; padding: 12px 18px; white-space: nowrap;
  border: 1px solid rgba(255, 255, 255, .25); border-radius: var(--r-sm);
  color: #05200f; background: #22c55e; box-shadow: 0 20px 50px -14px rgba(34, 197, 94, .7);
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--font-mono); font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  transition: transform .15s var(--ease), background .15s;
}
.waFloater:hover { transform: translateY(-2px); background: #4ade80; }
.waFloater::before {
  content: ""; width: 20px; height: 20px; flex: 0 0 20px; background: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'%3E%3Cpath fill='black' d='M16.04 3A12.9 12.9 0 0 0 5.03 22.63L3.2 29l6.53-1.72A12.98 12.98 0 1 0 16.04 3Zm0 23.6c-2.1 0-4.16-.56-5.95-1.62l-.43-.25-3.87 1.02 1.03-3.77-.28-.45a10.62 10.62 0 1 1 9.5 5.07Zm5.83-7.96c-.32-.16-1.89-.93-2.18-1.04-.29-.1-.5-.16-.71.16-.21.32-.82 1.04-1 1.25-.19.21-.37.24-.69.08-.32-.16-1.35-.5-2.57-1.59a9.64 9.64 0 0 1-1.78-2.21c-.19-.32-.02-.49.14-.65.14-.14.32-.37.48-.56.16-.18.21-.32.32-.53.1-.21.05-.4-.03-.56-.08-.16-.71-1.72-.98-2.36-.26-.62-.52-.54-.71-.55h-.61c-.21 0-.56.08-.85.4-.29.32-1.11 1.09-1.11 2.65s1.14 3.07 1.3 3.28c.16.21 2.24 3.42 5.43 4.8.76.33 1.35.52 1.81.67.76.24 1.45.21 2 .13.61-.09 1.89-.77 2.15-1.51.27-.74.27-1.38.19-1.51-.08-.13-.29-.21-.61-.37Z'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'%3E%3Cpath fill='black' d='M16.04 3A12.9 12.9 0 0 0 5.03 22.63L3.2 29l6.53-1.72A12.98 12.98 0 1 0 16.04 3Zm0 23.6c-2.1 0-4.16-.56-5.95-1.62l-.43-.25-3.87 1.02 1.03-3.77-.28-.45a10.62 10.62 0 1 1 9.5 5.07Zm5.83-7.96c-.32-.16-1.89-.93-2.18-1.04-.29-.1-.5-.16-.71.16-.21.32-.82 1.04-1 1.25-.19.21-.37.24-.69.08-.32-.16-1.35-.5-2.57-1.59a9.64 9.64 0 0 1-1.78-2.21c-.19-.32-.02-.49.14-.65.14-.14.32-.37.48-.56.16-.18.21-.32.32-.53.1-.21.05-.4-.03-.56-.08-.16-.71-1.72-.98-2.36-.26-.62-.52-.54-.71-.55h-.61c-.21 0-.56.08-.85.4-.29.32-1.11 1.09-1.11 2.65s1.14 3.07 1.3 3.28c.16.21 2.24 3.42 5.43 4.8.76.33 1.35.52 1.81.67.76.24 1.45.21 2 .13.61-.09 1.89-.77 2.15-1.51.27-.74.27-1.38.19-1.51-.08-.13-.29-.21-.61-.37Z'/%3E%3C/svg%3E") center / contain no-repeat;
}

/* ---------- trust assets (COA mock, HPLC, vial, carton, shipping) ---------- */
.trustAssets { display: grid; grid-template-columns: 1.15fr .85fr; gap: 24px; margin-top: 32px; }
.assetCard { border: 1px solid var(--line-2); padding: 22px; background: var(--panel); }
.assetCard h4 { margin: 0 0 14px; font-size: 10.5px; font-weight: 500; letter-spacing: .16em; text-transform: uppercase; color: var(--accent); }
.assetCol { display: grid; gap: 18px; }
.assetRow { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.assetCard .coaCard { background: var(--paper); color: #151d23; padding: 18px 20px; font-size: 13px; border: 0; }
.assetCard .coaCard .header { display: flex; justify-content: space-between; align-items: flex-start; border-bottom: 1px solid rgba(21, 29, 35, .15); padding-bottom: 10px; margin-bottom: 12px; }
.assetCard .coaCard .header b { display: block; color: #151d23; font-size: 16px; letter-spacing: -.02em; }
.assetCard .coaCard .header span { color: #4d5b61; font-size: 12px; }
.assetCard .coaCard .stamp { border: 2px solid #1d7d55; color: #1d7d55; padding: 5px 10px; font-family: var(--font-mono); font-weight: 700; font-size: 10.5px; letter-spacing: .16em; transform: rotate(-3deg); }
.assetCard .coaCard table { width: 100%; border-collapse: collapse; font-size: 13px; }
.assetCard .coaCard td { padding: 7px 0; border-bottom: 1px solid rgba(21, 29, 35, .1); color: #4d5b61; }
.assetCard .coaCard td:last-child { text-align: right; color: #151d23; font-weight: 600; font-family: var(--font-mono); }
.assetCard .coaCard tr:last-child td { border-bottom: 0; }
.assetCard .coaCard .signoff { margin-top: 14px; padding-top: 12px; border-top: 1px solid rgba(21, 29, 35, .15); display: flex; justify-content: space-between; color: #4d5b61; font-size: 12px; }
.chromBox { background: var(--bg); border: 1px solid var(--line-2); padding: 16px; color: var(--fg-2); }
.chromBox .chromHead { display: flex; justify-content: space-between; align-items: center; font-size: 10.5px; color: var(--cyan); margin-bottom: 10px; letter-spacing: .14em; text-transform: uppercase; }
.chromBox svg { width: 100%; height: auto; display: block; }
.chromBox .chromFoot { display: flex; justify-content: space-between; margin-top: 10px; font-size: 11px; color: var(--fg-3); font-family: var(--font-mono); }
.vialMock { background: var(--bg); background-image: var(--dots); background-size: 16px 16px; border: 1px solid var(--line-2); padding: 22px; display: flex; align-items: center; gap: 16px; }
.vialMock .body { width: 78px; height: 130px; border-radius: 18px 18px 8px 8px; background: linear-gradient(180deg, #fff 0%, #fff 35%, #d2eef3 36%, #b7e4ec 100%); box-shadow: inset 0 -34px 0 rgba(40, 211, 242, .3), 0 12px 28px rgba(0, 0, 0, .5); position: relative; flex-shrink: 0; }
.vialMock .body::before { content: ""; position: absolute; left: 18px; right: 18px; top: -10px; height: 16px; border-radius: 5px; background: #9fb0b8; }
.vialLabel { position: absolute; left: 8px; right: 8px; top: 38px; background: rgba(255, 255, 255, .96); border-top: 1px solid rgba(21, 29, 35, .15); border-bottom: 1px solid rgba(21, 29, 35, .15); padding: 6px 5px; text-align: center; font-size: 8px; line-height: 1.1; color: #151d23; font-weight: 700; }
.vialLabel small { display: block; font-size: 6.5px; color: #4d5b61; font-weight: 600; margin-top: 2px; letter-spacing: .05em; }
.vialMock .meta { flex: 1; display: block; }
.vialMock .meta b { display: block; color: var(--fg); font-size: 16px; margin-bottom: 4px; }
.vialMock .meta span { display: block; color: var(--fg-2); font-size: 12px; margin-top: 2px; border: 0; padding: 0; font-family: var(--font-body); }
.cartonMock { background: linear-gradient(145deg, #e9e1cc, #d6c59d); padding: 22px; display: flex; align-items: center; gap: 18px; color: #151d23; }
.cartonMock .box { width: 100px; height: 70px; background: linear-gradient(135deg, #fff, #f0e6cc); border: 1px solid #b7a16d; position: relative; box-shadow: 6px 6px 0 #c4ad79; flex-shrink: 0; }
.cartonMock .box::before { content: "SeqLine Bio"; position: absolute; top: 8px; left: 8px; font-family: var(--font-display); font-size: 11px; font-weight: 700; color: #151d23; }
.cartonMock .box::after { content: "Lyophilized · COA included"; position: absolute; bottom: 8px; left: 8px; font-size: 6px; color: #6d5a32; letter-spacing: .03em; font-family: var(--font-mono); }
.cartonMock .meta { display: block; }
.cartonMock .meta b { display: block; color: #151d23; font-size: 16px; margin-bottom: 4px; }
.cartonMock .meta span { display: block; color: #6d5a32; font-size: 12px; margin-top: 2px; border: 0; padding: 0; font-family: var(--font-body); }
.shipFlow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0 20px; margin-top: 20px; border-top: 1px solid var(--line-2); }
.shipStep { padding: 16px 0; position: relative; background: none; border: 0; }
.shipStep .num { display: inline-grid; place-items: center; width: 28px; height: 28px; border: 1px solid var(--cyan); color: var(--cyan); font-family: var(--font-mono); font-weight: 600; font-size: 12px; margin-bottom: 10px; }
.shipStep b { display: block; font-size: 14px; color: var(--fg); margin-bottom: 4px; }
.shipStep span { display: block; font-size: 12.5px; color: var(--fg-2); }

/* ---------- quote page ---------- */
.quotePage { padding: 72px 0 120px; }
.quoteGrid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: start; }
.quoteList { border: 1px solid var(--line-2); padding: 28px; background: var(--panel); }
.quoteList h2 { margin: 0 0 18px; font-size: 28px; }
.quoteList .empty { text-align: left; color: var(--fg-2); padding: 28px; border: 1px dashed var(--line-2); }
.quoteList .empty a { color: var(--accent); }
.qRow { display: grid; grid-template-columns: 1fr auto; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--line); align-items: start; }
.qRow:last-child { border-bottom: 0; }
.qRow .name { font-family: var(--font-display); font-weight: 600; font-size: 18px; letter-spacing: -.01em; color: var(--fg); }
.qRow .sub { color: var(--fg-2); font-size: 13px; margin-top: 4px; }
.qRow .pricePolicy { margin-top: 6px; font-size: 12px; color: var(--fg-3); }
.qRow .vialsLabel { color: var(--fg-3); font-size: 12px; }
.qRow .ctrl { display: flex; gap: 8px; align-items: center; }
.qRow .ctrl input[type="number"] { width: 80px; margin: 0; padding: 9px 10px; font-family: var(--font-mono); text-align: center; }
.qRow .ctrl .remove { border: 0; background: transparent; color: var(--fg-3); cursor: pointer; font-family: var(--font-mono); font-size: 11px; letter-spacing: .06em; text-transform: uppercase; padding: 4px 8px; }
.qRow .ctrl .remove:hover { color: var(--red); }
.quoteSummary { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line-2); display: flex; justify-content: space-between; align-items: center; color: var(--fg-2); font-size: 14px; }
.quoteFormCard { border: 1px solid var(--line-2); border-top: 2px solid var(--cyan); padding: 28px; position: sticky; top: calc(var(--top-h) + 24px); background: var(--panel); }
.quoteFormCard h3 { margin: 0 0 18px; font-size: 26px; }
.quoteFormCard .field { margin-bottom: 14px; }
.quoteFormCard label { display: block; margin-bottom: 0; }
.quoteFormCard .req::after { content: " *"; color: var(--amber); }
.quoteFormCard .optional { color: var(--fg-3); font-weight: 400; margin-left: 4px; text-transform: none; letter-spacing: 0; }
.quoteFormCard .submitBar { display: grid; gap: 10px; margin-top: 18px; }
.quoteFormCard .smallNote { font-size: 12px; color: var(--fg-3); margin-top: 10px; line-height: 1.45; }
.copyHint { background: var(--mist); color: var(--accent); padding: 10px 12px; margin-top: 10px; font-size: 13px; font-weight: 600; display: none; }
.copyHint.show { display: block; }
.submitStatus { font-size: 12px; margin-top: 8px; min-height: 18px; letter-spacing: .04em; }
.submitStatus.success { color: var(--green); }
.submitStatus.error { color: var(--red); }
.submitMicro { margin: 10px 0 0; font-size: 12.5px; line-height: 1.5; color: var(--fg-3); }
.submitBar.minor { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 12px; }
.submitBar.minor .btn { padding: 9px 13px; font-size: 11px; }
.emailPlain { font-size: 13px; color: var(--accent); align-self: center; font-family: var(--font-mono); }
.emailPlain:hover { color: var(--fg); }

/* ---------- spec chooser modal ---------- */
.specModal { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 18px; }
.specShade { position: absolute; inset: 0; background: rgba(0, 0, 0, .7); -webkit-backdrop-filter: blur(3px); backdrop-filter: blur(3px); }
.specPanel { position: relative; width: min(700px, 100%); max-height: 88vh; overflow: auto; background: var(--bg-2); border: 1px solid var(--line-2); border-top: 2px solid var(--cyan); padding: 26px; animation: rise .35s var(--ease) both; }
.specHead { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; border-bottom: 1px solid var(--line-2); padding-bottom: 16px; margin-bottom: 18px; }
.specHead h3 { margin: 2px 0 6px; font-size: 30px; }
.specHead p:not(.eyebrow) { margin: 0; color: var(--fg-2); font-size: 14px; line-height: 1.45; }
.specChecks { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.specChecks label { display: flex; gap: 10px; align-items: center; border: 1px solid var(--line-2); padding: 11px 12px; font-size: 13px; cursor: pointer; font-family: var(--font-mono); transition: border-color .15s, background .15s; }
.specChecks label:hover { border-color: var(--cyan); background: var(--mist); }
.specChecks input { accent-color: var(--cyan); }
.specOptions { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 16px; }
.specOptions label { font-size: 11px; font-family: var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--fg-2); }
.specOptions input[type="number"] { width: 76px; margin: 0; padding: 9px 10px; font-family: var(--font-mono); font-weight: 600; text-align: center; }
.specOptions .check { display: flex; align-items: center; gap: 8px; border: 1px solid var(--line-2); padding: 10px 12px; }
.kitQtyLine { display: flex; align-items: center; gap: 8px; margin-top: 8px; min-height: 42px; }
.kitQtyLine > span { color: var(--fg-2); }
.tierStrip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; margin-top: 10px; }
.qtyTier { min-width: 0; padding: 8px 5px; border: 1px solid var(--line); text-align: center; color: var(--fg-3); }
.qtyTier b, .qtyTier span { display: block; white-space: nowrap; }
.qtyTier b { color: var(--fg); font-size: 11px; font-weight: 600; }
.qtyTier span { margin-top: 2px; font-size: 10px; }
.qtyTier.active { border-color: var(--cyan); background: var(--mist); }
.qtyTier.active b, .qtyTier.active span { color: var(--accent); }
.specActions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }
.modeBadge { display: inline-block; font-size: 10px; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; padding: 3px 8px; border: 1px solid transparent; vertical-align: baseline; white-space: nowrap; }
.modeBadge.sample { background: var(--lime); color: var(--green); border-color: var(--green); }
.modeBadge.oem { background: var(--amber-bg); color: var(--amber); border-color: var(--amber-line); }
.modeLine { font-size: 11px; color: var(--fg-3); margin-top: 4px; }
.modeHint { color: var(--fg-3); font-size: 11px; margin-left: 6px; }
.moqNote { grid-column: 1 / -1; margin: 6px 0 0; font-size: 12px; color: var(--fg-3); }
.moqNote.flash { color: var(--amber); font-weight: 600; }
.card--mode { display: inline-flex; align-items: center; gap: 8px; }
.miniQuoteGuide { padding: 34px 0 10px; }

/* commercial ladder, buyer cues, badges */
.ladder .labStep { display: grid; }
.ladderPrice { display: inline-block; font-size: 10px; font-weight: 500; letter-spacing: .12em; color: var(--accent); background: var(--mist); padding: 5px 9px; text-transform: uppercase; justify-self: start; }
.ladder .labStep h3 { margin: 0; }
.ladder .labStep a.more { color: var(--accent); font-family: var(--font-mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.buyerCues { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 32px; margin: 24px 0 4px; border-top: 1px solid var(--line-2); }
.buyerCues .cue { padding: 18px 0; border-bottom: 1px solid var(--line); }
.buyerCues .cue b { display: block; color: var(--fg); font-size: 15px; }
.buyerCues .cue span { display: block; color: var(--fg-2); font-size: 13px; margin-top: 5px; }
.cardCue { display: inline-block; margin-top: 8px; font-size: 10px; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); background: var(--mist); padding: 3px 8px; }
.previewTag { display: inline-flex; align-items: center; gap: 6px; font-size: 10px; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; color: var(--amber); background: var(--amber-bg); border: 1px solid var(--amber-line); padding: 5px 10px; }

/* toast */
.quoteToast { position: fixed; right: 20px; bottom: 20px; z-index: 80; width: min(420px, calc(100vw - 28px)); padding: 16px; border: 1px solid var(--line-2); border-left: 3px solid var(--cyan); background: var(--bg-2); box-shadow: 0 30px 70px -20px rgba(0, 0, 0, .8); display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: center; transform: translateY(18px); opacity: 0; pointer-events: none; transition: opacity .2s var(--ease), transform .2s var(--ease); }
.quoteToast.show { transform: translateY(0); opacity: 1; pointer-events: auto; }
.quoteToast b { display: block; color: var(--fg); font-size: 14px; }
.quoteToast span { display: block; margin-top: 3px; color: var(--fg-2); font-size: 12.5px; line-height: 1.35; }
.quoteToastActions { display: flex; gap: 8px; }
.quoteToastActions .btn { padding: 9px 11px; font-size: 10.5px; white-space: nowrap; }

/* ---------- COA library ---------- */
.coaHero h1 { max-width: 16ch; }
.coaAlias { font-size: 17px; }
.coaAlias strong, .coaCard code, .coaQrCard code { font-family: var(--font-mono); letter-spacing: .02em; }
.coaStatus { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.coaStatus span, .coaCardStatus, .coaCardType { display: inline-flex; align-items: center; padding: 4px 8px; background: var(--lime); color: var(--green); font-size: 10px; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; border: 1px solid transparent; }
.coaStatus span + span, .coaCardType { background: var(--mist); color: var(--accent); }
.coaLibraryStats { display: inline-flex; align-items: baseline; gap: 12px; margin-top: 28px; color: var(--fg); }
.coaLibraryStats strong { font-family: var(--font-display); font-weight: 600; font-size: clamp(48px, 5vw, 72px); letter-spacing: -.04em; line-height: 1; }
.coaLibraryStats span { color: var(--fg-2); font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase; }
.coaControls { display: grid; grid-template-columns: minmax(240px, 1fr) minmax(210px, .55fr) auto; gap: 16px; align-items: end; margin-bottom: 28px; }
.coaControls label { display: grid; gap: 0; }
.coaControls input, .coaControls select { min-height: 48px; }
.coaControls p { margin: 0; min-height: 48px; display: flex; align-items: baseline; gap: 8px; color: var(--fg-3); white-space: nowrap; font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; }
.coaControls p strong { font-family: var(--font-display); font-size: 30px; color: var(--fg); letter-spacing: -.03em; }
.coaGrid { display: block; border-top: 1px solid var(--line-2); }
.coaGrid .coaCard { display: grid; grid-template-columns: 190px minmax(0, 1fr) minmax(0, 1fr) 250px; grid-auto-flow: row dense; gap: 4px 28px; align-items: center; padding: 20px 0; border-bottom: 1px solid var(--line); background: none; border-radius: 0; transition: background .15s; }
.coaGrid .coaCard:hover { background: linear-gradient(90deg, var(--panel) 0%, transparent 80%); }
.coaGrid .coaCard > div:first-child { grid-column: 1; grid-row: 1 / span 2; display: flex; flex-direction: column; align-items: flex-start; gap: 6px; }
.coaGrid .coaCard h2 { grid-column: 2; font-size: 24px; margin: 0; }
.coaCard h2 span { color: var(--fg-2); font-family: var(--font-mono); font-weight: 400; font-size: 13px; letter-spacing: .04em; margin-left: 8px; }
.coaCard h2 a:hover, .coaCardLink:hover { color: var(--accent); }
.coaGrid .coaCard code { grid-column: 2; color: var(--accent); font-size: 12px; overflow-wrap: anywhere; }
.coaGrid .coaCard dl { grid-column: 3; grid-row: 1 / span 2; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 0; }
.coaCard dl div { padding: 0 0 0 12px; border-left: 1px solid var(--line-2); }
.coaCard dt { font-size: 10px; color: var(--fg-3); text-transform: uppercase; letter-spacing: .12em; }
.coaCard dd { margin: 4px 0 0; color: var(--fg); font-weight: 600; font-family: var(--font-mono); font-size: 14px; }
.coaGrid .coaCardActions { grid-column: 4; grid-row: 1 / span 2; display: flex; gap: 8px; margin: 0; }
.coaCardActions .btn { flex: 1; justify-content: center; padding: 11px 10px; font-size: 10.5px; }
.coaCardActions .btn.ghost { border: 1px solid var(--line-2); padding: 11px 10px; color: var(--fg); }
.coaCardActions .btn.ghost:hover { border-color: var(--accent); color: var(--accent); }
.coaCardLink { color: var(--accent); font-size: 12px; font-family: var(--font-mono); letter-spacing: .06em; text-transform: uppercase; }
.coaEmpty { padding: 32px; text-align: center; color: var(--fg-2); border: 1px dashed var(--line-2); }
.coaNotice { padding: 20px 22px; margin-bottom: 32px; border: 1px solid var(--line-2); border-left: 3px solid var(--cyan); }
.coaNotice strong { color: var(--fg); }
.coaNotice p { margin: 6px 0 0; color: var(--fg-2); }
.coaLibraryNote { margin: 36px 0 0; }
.coaRecordLayout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 56px; align-items: start; }
.coaRecordLayout h2 { margin: 40px 0 16px; font-size: clamp(28px, 3vw, 40px); }
.coaFacts td { overflow-wrap: anywhere; font-family: var(--font-mono); font-size: 13.5px; }
.coaResultGrid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 24px; border-top: 1px solid var(--line-2); }
.coaResult { min-width: 0; padding: 20px 0; border-bottom: 1px solid var(--line); background: none; border-top: 0; }
.coaResult span, .coaResult small { display: block; color: var(--fg-3); font-size: 10.5px; font-family: var(--font-mono); letter-spacing: .1em; text-transform: uppercase; }
.coaResult strong { display: block; margin: 10px 0; color: var(--fg); font-family: var(--font-display); font-weight: 600; font-size: clamp(30px, 3vw, 44px); line-height: 1; letter-spacing: -.03em; overflow-wrap: anywhere; }
.ruoBox { margin-top: 28px; padding: 18px; border: 1px solid var(--amber-line); border-left: 3px solid var(--amber); background: var(--amber-bg); }
.ruoBox strong { color: var(--amber); }
.ruoBox p { margin: 5px 0 0; color: var(--fg-2); }
.coaQrCard { position: sticky; top: calc(var(--top-h) + 24px); padding: 24px; border: 1px solid var(--line-2); background: var(--paper); color: #151d23; text-align: center; }
.coaQrCard h2 { margin: 0 0 14px; font-size: 22px; color: #151d23; }
.coaQrCard img { width: 200px; margin: 0 auto 12px; }
.coaQrCard code { display: block; color: #0b8fae; overflow-wrap: anywhere; }
.coaQrCard p { color: #4d5b61; font-size: 13px; }
.coaQrCard > a:last-child { color: #0b8fae; font-family: var(--font-mono); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; }
.coaCoverage { margin-top: 28px; }
.coaCoverageLinks { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.coaCoverageLinks a { padding: 8px 12px; border: 1px solid var(--line-2); color: var(--fg); font-family: var(--font-mono); font-size: 12px; transition: border-color .15s, color .15s; }
.coaCoverageLinks a:hover { border-color: var(--accent); color: var(--accent); }
.coaAction { padding: 30px; border: 1px solid var(--line-2); border-top: 2px solid var(--cyan); background: var(--panel); }
.coaAction h2 { margin: 6px 0 10px; }
.coaAction p { color: var(--fg-2); }
.coaActionButtons { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 10px; margin: 18px 0 12px; }
.coaActionButtons .btn { justify-content: center; text-align: center; }
.coaActionMore { margin-top: 6px; }

.logo--mark { display: inline-flex; align-items: center; justify-content: center; overflow: hidden; }
.logo--mark img { width: 100%; height: 100%; display: block; }

/* overflow hardening */
.heroGrid > *, .split > *, .productLayout > *, .grid > *, .catalog > *, .personas > *, .heroCopy, .productStage, .stageInner { min-width: 0; }
.hero h1, .lead, .replyChip, .sectionHead h2, .pageHero h1 { overflow-wrap: break-word; }

/* ---------- responsive ---------- */
@media (max-width: 1180px) {
  .top .links a:nth-of-type(6), .top .links a:nth-of-type(7) { display: none; }
  .brand small { display: none; }
  .product { grid-template-columns: 96px minmax(0, 1.2fr) minmax(0, 1fr) 200px; }
  .productArt { width: 96px; height: 96px; }
  .coaGrid .coaCard { grid-template-columns: 160px minmax(0, 1fr) minmax(0, .9fr) 220px; }
}
@media (max-width: 1040px) {
  .grid.four, .related, .factoryStrip { grid-template-columns: repeat(2, 1fr); }
  .heroGrid { padding-top: 96px; }
  .split, .productLayout { grid-template-columns: 1fr; }
  .hero .photoStage .smallPhoto, .hero .photoCaption { display: none; }
  .trustStrip { grid-template-columns: repeat(2, 1fr); }
  .trustStrip div:nth-child(2) { border-right: 0; }
  .trustStrip div:nth-child(3) { padding-left: 0; }
  .personas { grid-template-columns: 1fr; }
  .persona { border-right: 0; padding-right: 0; border-bottom: 1px solid var(--line); }
  .footGrid { grid-template-columns: repeat(2, 1fr); }
  .footMast { grid-template-columns: 1fr; }
  .trustAssets, .quoteGrid { grid-template-columns: 1fr; }
  .assetRow { grid-template-columns: 1fr; }
  .shipFlow { grid-template-columns: repeat(2, 1fr); }
  .quoteFormCard { position: static; }
  .sectionHead { grid-template-columns: 1fr; gap: 14px; }
  .sectionHead > .eyebrow::after { display: inline; margin: 0 0 0 12px; font-size: 14px; letter-spacing: .1em; font-family: var(--font-mono); font-weight: 400; }
  .sectionHead h2, .sectionHead p:not(.eyebrow) { grid-column: 1; }
  .grid > .card { grid-template-columns: 48px minmax(0, 1fr); }
  .grid > .card h3 { grid-column: 2; }
  .grid > .card > *:not(h3):not(.tag) { grid-column: 2; }
  .coaGrid .coaCard { grid-template-columns: minmax(0, 1fr) 220px; }
  .coaGrid .coaCard > div:first-child { grid-column: 1; grid-row: auto; flex-direction: row; }
  .coaGrid .coaCard h2, .coaGrid .coaCard code { grid-column: 1; }
  .coaGrid .coaCard dl { grid-column: 1; grid-row: auto; margin-top: 8px; }
  .coaGrid .coaCard .coaCardActions { grid-column: 2; grid-row: 1 / span 4; }
}
@media (max-width: 960px) {
  .top .links a:nth-of-type(4) { display: none; }
  .coaRecordLayout { grid-template-columns: 1fr; }
  .coaQrCard { position: static; max-width: 360px; }
  .coaResultGrid { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .product { grid-template-columns: 88px minmax(0, 1fr); gap: 6px 18px; }
  .productArt { width: 88px; height: 88px; grid-row: 1 / span 3; }
  .product h3, .formula, .cardNote, .meta, .badgeRow, .card--mode, .modeLine, .cardFoot, .coaLine, .price { grid-column: 2; }
  .cardFoot { margin-top: 8px; flex-direction: row; flex-wrap: wrap; align-items: center; }
  .cardFoot .addQuote { width: auto; flex: 1 1 160px; }
  .product--quoteOnly { grid-template-columns: 1fr; }
  .product--quoteOnly h3, .product--quoteOnly .meta, .product--quoteOnly .badgeRow, .product--quoteOnly .card--mode, .product--quoteOnly .modeLine, .product--quoteOnly .cardFoot, .product--quoteOnly .coaLine, .product--quoteOnly .price { grid-column: 1; }
  .buyerCues { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  :root { --top-h: 68px; }
  .wrap { width: min(100% - 36px, 1360px); }
  .heroGrid { width: min(100% - 36px, 1360px); }
  .topBar { display: none; }
  .nav { height: 68px; }
  .top .links { display: none; }
  .mobileOnly { display: inline-flex; margin-left: 0; }
  .top .nav { gap: 10px; }
  .top .brand { margin-right: auto; min-width: 0; }
  .top .brand img { height: 38px !important; max-width: 150px; }
  .mobileMenuToggle { width: 42px; height: 42px; padding: 0; flex: 0 0 42px; display: inline-grid; place-items: center; align-content: center; border: 1px solid var(--line-2); background: none; color: var(--fg); cursor: pointer; }
  .mobileMenuToggle span, .mobileMenuToggle::before, .mobileMenuToggle::after { content: ""; display: block; width: 19px; height: 2px; background: currentColor; transition: transform .18s ease, opacity .18s ease; }
  .mobileMenuToggle span { margin: 4px 0; }
  .mobileMenuToggle[aria-expanded="true"] span { opacity: 0; }
  .mobileMenuToggle[aria-expanded="true"]::before { transform: translateY(6px) rotate(45deg); }
  .mobileMenuToggle[aria-expanded="true"]::after { transform: translateY(-6px) rotate(-45deg); }
  .mobileMenu { position: absolute; top: 68px; left: 0; right: 0; max-height: calc(100vh - 68px); overflow-y: auto; padding: 8px 18px 18px; background: var(--bg); border-bottom: 1px solid var(--line-2); box-shadow: 0 30px 50px rgba(0, 0, 0, .5); }
  .mobileMenu.isOpen { display: grid; }
  .mobileMenu a { display: flex; align-items: center; min-height: 50px; padding: 5px 0; border-bottom: 1px solid var(--line); color: var(--fg); font-size: 13px; letter-spacing: .12em; text-transform: uppercase; }
  .mobileMenu a:last-child { border-bottom: 0; }
  .mobileMenu .quoteBtn { margin: 10px 0 0; justify-content: center; padding: 12px; }
  .hero { min-height: 0; }
  .hero .photoStage::after { background: linear-gradient(180deg, rgba(243, 244, 239, .94) 0%, rgba(243, 244, 239, .9) 55%, rgba(243, 244, 239, 1) 100%); }
  .hero .photoStage .mainPhoto { opacity: .7; }
  .heroGrid { padding-top: 64px; }
  .hero h1 { font-size: clamp(38px, 11vw, 56px); max-width: none; }
  .hero .lead { font-size: 17px; }
  .trustStrip { grid-template-columns: 1fr; margin-top: 44px; }
  .trustStrip div { border-right: 0; border-bottom: 1px solid var(--line); padding: 16px 0 18px !important; }
  .trustStrip div:last-child { border-bottom: 0; }
  .section { padding: 64px 0; }
  .sectionHead { margin-bottom: 36px; padding-bottom: 20px; }
  .sectionHead h2 { font-size: clamp(30px, 8.5vw, 44px); }
  .grid.four, .related, .factoryStrip, .footGrid, .shipFlow { grid-template-columns: 1fr; }
  .form { grid-template-columns: 1fr; padding: 22px; }
  .grid > .card { padding: 24px 0; }
  .grid > .card h3 { font-size: 23px; }
  .productLayout .visual { padding: 24px; }
  .catNav .links { flex-wrap: nowrap; overflow-x: auto; width: 100%; scrollbar-width: none; }
  .catNav .links::-webkit-scrollbar { display: none; }
  .catNav a { padding: 13px 0; margin-right: 22px; }
  .catSearch { max-width: none; display: grid; gap: 8px; }
  .catSection { padding: 48px 0 8px; }
  .quoteList, .quoteFormCard { padding: 20px; }
  .qRow { grid-template-columns: 1fr; gap: 12px; }
  .qRow .ctrl { display: grid; grid-template-columns: 88px minmax(0, 1fr); width: 100%; align-items: center; }
  .qRow .ctrl input[type="number"] { width: 88px; min-height: 44px; }
  .qRow .ctrl .remove { grid-column: 2; justify-self: end; min-height: 44px; padding: 10px 12px; }
  .quoteSummary { align-items: center; gap: 10px; flex-wrap: wrap; }
  .waFloater { width: 54px; height: 54px; min-width: 0; min-height: 0; padding: 0; justify-content: center; font-size: 0; right: 16px; bottom: 16px; }
  .waFloater::before { width: 26px; height: 26px; flex-basis: 26px; }
  .quoteToast { left: 14px; right: 14px; bottom: 14px; width: auto; grid-template-columns: 1fr; }
  .quoteToastActions { display: grid; grid-template-columns: 1fr 1fr; }
  .specChecks, .specOptions { grid-template-columns: 1fr; }
  .specPanel { padding: 20px; }
  .tierStrip { gap: 4px; }
  .qtyTier { padding: 7px 2px; }
  .qtyTier b { font-size: 10px; }
  .qtyTier span { font-size: 9px; }
  .drawerPanel { width: 100%; }
  .drawerForm { grid-template-columns: 1fr; }
  .cartIntroActions { display: grid; }
  .coaControls { grid-template-columns: 1fr; }
  .coaControls p { min-height: 0; }
  .coaGrid .coaCard { grid-template-columns: 1fr; }
  .coaGrid .coaCard .coaCardActions { grid-column: 1; grid-row: auto; margin-top: 10px; }
  .coaRecordLayout { gap: 28px; }
  .coaQrCard { max-width: none; }
  .footMast { padding: 48px 0 28px; }
  .footBase { flex-direction: column; gap: 6px; }
  .stageInner { min-height: 420px; }
  .vialShelf { gap: 8px; left: 18px; right: 18px; top: 116px; }
  .vial { height: 110px; }
  .coaPanel { left: 16px; right: 16px; bottom: 16px; padding: 16px; }
}
@media (max-width: 520px) {
  html, body { max-width: 100%; overflow-x: hidden; }
  .wrap, .heroGrid { width: calc(100% - 30px); }
  .mobileBreak { display: block; }
  .hero h1 { font-size: clamp(34px, 10.5vw, 44px); overflow-wrap: anywhere; hyphens: auto; }
  .lead { font-size: 16px; }
  .ctaRow { gap: 10px; }
  .ctaRow .btn { padding: 13px 16px; }
  .replyChip { display: flex; width: 100%; white-space: normal; line-height: 1.35; }
  .product { grid-template-columns: 1fr; }
  .productArt { display: none; }
  .product h3, .formula, .cardNote, .meta, .badgeRow, .card--mode, .modeLine, .cardFoot, .coaLine, .price { grid-column: 1; }
  .grid > .card { grid-template-columns: 1fr; gap: 8px; }
  .grid > .card::before { grid-column: 1; grid-row: auto; padding: 0; }
  .grid > .card h3, .grid > .card > *:not(h3):not(.tag) { grid-column: 1; }
  .stageInner { min-height: 0; padding-bottom: 12px; }
  .stageTop { padding: 18px 16px 8px; gap: 10px; flex-wrap: wrap; }
  .vialShelf { position: static; margin: 16px 12px 12px; gap: 6px; }
  .vial { height: 88px; }
  .coaPanel { position: static; margin: 10px 12px 0; padding: 16px; }
  .coaRows p { display: grid; grid-template-columns: 1fr; gap: 2px; }
}