:root {
  --ink: #1c1f24;
  --muted: #5c6570;
  --line: #d9dee6;
  --page: #f4f5f7;
  --card: #ffffff;
  --coral: #c4372a;
  --coral-dark: #a32e23;
  --teal: #2f6f6c;
  --track: #e6e9ee;
  --header: 64px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--page);
  line-height: 1.5;
}
button, input, select { font-family: inherit; }
a { color: inherit; }
img { max-width: 100%; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header);
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.ticker-bar {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background: #fff;
  border-bottom: 1px solid var(--line);
  padding: 0.55rem 0 0.55rem 2rem;
}
.ticker-label {
  flex-shrink: 0;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.ticker-wrapper {
  flex: 1;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 94%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 94%, transparent);
}
.ticker-track {
  display: flex;
  width: max-content;
  animation: ticker-scroll 35s linear infinite;
}
.ticker-item {
  flex-shrink: 0;
  font-size: 0.9rem;
  color: var(--ink);
  white-space: nowrap;
}
.ticker-item::after {
  content: "·";
  color: #b7bec8;
  font-size: 1.15rem;
  margin: 0 1.15rem;
}
@keyframes ticker-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-25%); }
}
@media (prefers-reduced-motion: reduce) {
  .ticker-track { animation: none; }
}
.header-inner {
  max-width: 1400px;
  height: 100%;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.brand {
  display: inline-flex;
  align-items: flex-start;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.55rem;
  letter-spacing: -0.045em;
  line-height: 1;
  color: var(--ink);
  flex-shrink: 0;
}
.brand sup {
  font-size: 0.42em;
  font-weight: 600;
  margin-left: 1px;
  letter-spacing: 0;
  line-height: 1;
  position: relative;
  top: 0.28em;
}
.hite-mark {
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  white-space: nowrap;
}
.hite-te { color: var(--coral); }
.site-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-left: 0.5rem;
}
.site-nav > a,
.nav-dropdown-trigger {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
}
.site-nav > a:hover,
.nav-dropdown-trigger:hover { color: var(--ink); }
.site-nav > a.is-selected { color: var(--ink); }
.header-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.text-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
}
.text-link:hover { color: var(--ink); }
.nav-order-btn {
  display: inline-flex;
  align-items: center;
  background: var(--coral);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.88rem;
  padding: 0.55rem 0.9rem;
  border-radius: 2px;
}
.nav-order-btn:hover { background: var(--coral-dark); }
.nav-cart {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 0.5rem 0.75rem;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
}
.nav-cart:hover { border-color: #b7c0cc; }
.nav-cart svg { width: 16px; height: 16px; }
.cart-count {
  background: var(--coral);
  color: #fff;
  font-size: 0.72rem;
  min-width: 1.15rem;
  padding: 0.05rem 0.35rem;
  border-radius: 99px;
  text-align: center;
}
.cart-count.empty { display: none; }
.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: 2px;
  width: 40px;
  height: 36px;
  cursor: pointer;
}
.menu-toggle svg { width: 18px; height: 18px; }

.nav-dropdown { position: relative; }
.nav-dropdown-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}
.nav-chevron { width: 10px; height: 10px; stroke: currentColor; fill: none; stroke-width: 2; }
.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 0.75rem);
  left: 0;
  min-width: 220px;
  margin: 0;
  padding: 0.35rem 0;
  list-style: none;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(28, 31, 36, 0.08);
  opacity: 0;
  visibility: hidden;
  z-index: 120;
}
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu,
.nav-dropdown[data-open="true"] .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
}
.nav-dropdown-menu a {
  display: block;
  padding: 0.55rem 0.9rem;
  text-decoration: none;
  color: var(--ink);
  font-size: 0.88rem;
}
.nav-dropdown-menu a:hover { background: var(--page); }
.nav-dropdown-divider { height: 1px; background: var(--line); margin: 0.3rem 0; }

.wrap {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.product {
  padding: 2rem 0 2.5rem;
}
.product-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.85fr) minmax(420px, 1.15fr);
  gap: 2rem;
  align-items: stretch;
}
.reagent-label {
  background: #fff;
  border: 1px solid var(--line);
  padding: 0 1.5rem 1.25rem;
  min-height: 420px;
  display: flex;
  flex-direction: column;
}
.label-hero {
  position: relative;
  display: flex;
  flex-direction: column;
  flex: 1;
  margin: 0 -1.5rem 0;
  padding: 1.5rem 1.5rem 1rem;
  overflow: hidden;
  background-color: #fff;
  background-image: url("/assets/images/hite-membrane.svg?v=5");
  background-repeat: no-repeat;
  background-position: left center;
  background-size: cover;
  border-bottom: 1px solid var(--line);
}
.label-stage {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.25rem;
  align-items: center;
  flex: 1;
}
.label-logo {
  margin: 0;
  align-self: start;
  font-size: 2.6rem;
  line-height: 1;
  text-align: left;
  color: var(--ink);
}
.label-logo .hite-mark { color: var(--ink); }
.label-vial-slot {
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  min-height: 0;
  margin-right: 1.75rem;
}
.label-vial-slot .hv {
  width: 74px;
  aspect-ratio: 100 / 330;
  height: auto;
  margin: 0;
}
.label-hero .reagent-sub {
  position: relative;
  z-index: 1;
  margin: 0.65rem 0 0 -0.85rem;
  color: #fff;
  font-size: 0.75rem;
}
.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0;
}
.spec-table tr:first-child th,
.spec-table tr:first-child td {
  border-top: 0;
}
.spec-table th,
.spec-table td {
  text-align: left;
  font-weight: 500;
  font-size: 0.92rem;
  padding: 0.55rem 0;
  border-top: 1px solid var(--line);
}
.spec-table th {
  color: var(--muted);
  font-weight: 500;
  width: 42%;
}
.reagent-foot {
  margin: 1rem 0 0;
  font-size: 0.78rem;
  color: var(--muted);
}

.buy {
  background: #fff;
  border: 1px solid var(--line);
  padding: 1.75rem 1.75rem 1.5rem;
}
.eyebrow {
  margin: 0 0 0.6rem;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal);
  font-weight: 600;
}
.buy h1 {
  margin: 0 0 0.6rem;
  font-size: 1.85rem;
  line-height: 1.15;
  letter-spacing: -0.03em;
  font-weight: 600;
}
.lede {
  margin: 0 0 1.25rem;
  color: var(--muted);
  max-width: 38rem;
}
.keep-line { white-space: nowrap; }
.field-label {
  margin: 0 0 0.45rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.choices, .size-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin-bottom: 1.1rem;
}
.choices {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.5rem;
  margin-bottom: 0.55rem;
}
.size-group[hidden],
.panel[hidden] { display: none; }
.choice, .size-option {
  appearance: none;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 0.7rem 0.75rem;
  text-align: left;
  cursor: pointer;
  color: var(--ink);
}
.choice {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  font-weight: 600;
  font-size: 0.78rem;
  line-height: 1.2;
  letter-spacing: -0.01em;
  padding: 0.55rem 0.4rem;
  text-align: center;
  white-space: nowrap;
}
.choice:hover:not(.is-selected) {
  border-color: var(--ink);
}
.choice.is-selected {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}
.size-option.active {
  border-color: var(--ink);
  box-shadow: inset 0 0 0 1px var(--ink);
}
.size-amount { display: block; font-weight: 600; font-size: 0.92rem; }
.size-price { display: block; margin-top: 0.15rem; color: var(--muted); font-size: 0.85rem; }
.size-option.active .size-price { color: var(--ink); }
.size-reactions { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.price-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.35rem 0 0.9rem;
}
.price {
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  margin: 0;
}
.price-meta { margin: 0; color: var(--muted); font-size: 0.88rem; text-align: right; }
.qty-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin: 0 0 0.85rem;
}
.qty-row .field-label { margin: 0; }
.qty-stepper {
  display: inline-flex;
  align-items: stretch;
  border: 1px solid var(--ink);
  background: #fff;
}
.qty-stepper button {
  width: 2.25rem;
  border: 0;
  background: #fff;
  color: var(--ink);
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
}
.qty-stepper button:hover { background: var(--page); }
.qty-stepper input {
  width: 2.75rem;
  border: 0;
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
  padding: 0.45rem 0;
  text-align: center;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink);
  -moz-appearance: textfield;
  appearance: textfield;
}
.qty-stepper input::-webkit-outer-spin-button,
.qty-stepper input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.buy-actions {
  display: grid;
  grid-template-columns: 1.15fr 1fr 1fr;
  gap: 0.5rem;
}
.add-btn, .alt-btn {
  width: 100%;
  border-radius: 2px;
  padding: 0.85rem 0.5rem;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
}
.add-btn {
  background: var(--coral);
  color: #fff;
  border: 1px solid var(--coral);
}
.add-btn:hover { background: var(--coral-dark); border-color: var(--coral-dark); }
.alt-btn {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--ink);
}
.alt-btn:hover { background: var(--page); }
.cell-lines {
  position: relative;
  margin: 0 0 0.3rem;
  color: var(--muted);
  font-size: 0.85rem;
}
.more-lines { display: inline-block; }
.more-lines-trigger {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 0.12rem;
  border: 0;
  background: none;
  padding: 0;
  color: inherit;
  font: inherit;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 0.18em;
}
.more-lines-trigger:hover { color: var(--ink); }
.more-chevron {
  width: 10px;
  height: 10px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.more-lines-trigger[aria-expanded="true"] .more-chevron { transform: rotate(180deg); }
.more-lines-menu {
  position: absolute;
  top: calc(100% + 0.35rem);
  left: 0;
  z-index: 40;
  display: flex;
  align-items: stretch;
  width: min(22rem, 100%);
  max-height: 20.25rem;
  margin: 0;
  padding: 0.45rem 0 0.35rem;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(28, 31, 36, 0.08);
  color: var(--ink);
}
.more-lines-menu[hidden] { display: none; }
.more-lines-col {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  flex: 1;
}
.more-lines-col + .more-lines-col { border-left: 1px solid var(--line); }
.more-lines-heading {
  margin: 0;
  padding: 0.1rem 0.75rem 0.35rem;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.more-lines-col ul {
  margin: 0;
  padding: 0 0 0.15rem;
  list-style: none;
  overflow: auto;
  min-height: 0;
  scrollbar-width: thin;
}
.more-lines-menu li {
  padding: 0.22rem 0.75rem;
  font-size: 0.78rem;
  line-height: 1.3;
  white-space: nowrap;
}
.unlisted {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.85rem;
}
.unlisted a { color: var(--ink); }
.buy-note, .buy-follow, .gmp-line, .fisher-strip {
  margin: 0.75rem 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}
.buy-note { margin-top: 0.85rem; }
.buy-follow { white-space: nowrap; }
.gmp-line a, .fisher-strip a { color: var(--ink); }
.fisher-strip a:hover, .gmp-line a:hover { color: var(--coral); }

.tabbar {
  position: sticky;
  top: var(--header);
  z-index: 90;
  background: #fff;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.tabbar-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  gap: 1.5rem;
  overflow-x: auto;
}
.tabbar a {
  display: inline-block;
  padding: 0.85rem 0;
  text-decoration: none;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}
.tabbar a.is-selected {
  color: var(--ink);
  border-bottom-color: var(--coral);
}
.panel {
  padding: 2.25rem 0 3rem;
}
.panel h2 {
  margin: 0 0 0.75rem;
  font-size: 1.45rem;
  letter-spacing: -0.02em;
}
.panel p { color: var(--muted); max-width: 42rem; }
.plain-list {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  max-width: 40rem;
}
.plain-list li {
  padding: 0.45rem 0;
  border-top: 1px solid var(--line);
  color: var(--ink);
}
.workflow-figure {
  margin: 1rem 0 0;
}
.workflow-figure img {
  display: block;
  width: 100%;
  height: auto;
}
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-top: 1rem;
}
.step {
  min-width: 0;
  background: #fff;
  border: 1px solid var(--line);
  padding: 0.55rem 0.65rem 0.6rem;
}
.step h3 { margin: 0 0 0.15rem; font-size: 0.95rem; white-space: nowrap; }
.step p {
  margin: 0;
  max-width: none;
  font-size: 0.66rem;
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
}

.charts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.25rem;
}
.chart {
  background: #fff;
  border: 1px solid var(--line);
  padding: 1rem 1rem 1.1rem;
}
.chart h3 { margin: 0 0 0.9rem; font-size: 1rem; }
.chart-row {
  display: grid;
  grid-template-columns: 92px 1fr 52px;
  gap: 0.5rem;
  align-items: center;
  margin-top: 0.55rem;
}
.chart-name { font-size: 0.78rem; color: var(--muted); }
.chart-track { height: 10px; background: var(--track); }
.chart-fill { display: block; height: 100%; background: #c5ccd6; }
.chart-fill.is-hite { background: var(--teal); }
.chart-value { font-size: 0.78rem; font-weight: 600; text-align: right; }
.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 1rem;
}
.metric { background: #fff; padding: 0.9rem 1rem; }
.metric strong { display: block; font-size: 1.15rem; }
.metric span { color: var(--muted); font-size: 0.82rem; }
.disclaimer { font-size: 0.8rem; margin-top: 0.9rem; }

.doc-list { list-style: none; margin: 1rem 0 0; padding: 0; max-width: 40rem; }
.doc-list a {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 0;
  border-top: 1px solid var(--line);
  text-decoration: none;
  color: var(--ink);
  font-weight: 500;
}
.doc-list a:hover { color: var(--coral); }
.doc-list span { color: var(--muted); font-weight: 500; font-size: 0.82rem; }

.facts { max-width: 42rem; }
.facts details {
  border-top: 1px solid var(--line);
  background: #fff;
}
.facts details:last-child { border-bottom: 1px solid var(--line); }
.facts summary {
  cursor: pointer;
  padding: 0.85rem 1rem;
  font-weight: 600;
}
.facts details p { margin: 0; padding: 0 1rem 0.95rem; }

.site-footer {
  background: #fff;
  border-top: 1px solid var(--line);
  padding: 2.5rem 0 1.5rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: minmax(20.5rem, 1.7fr) repeat(3, 1fr);
  gap: 1.5rem;
}
.site-footer h2 {
  margin: 0 0 0.7rem;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin: 0.35rem 0; }
.site-footer a { color: var(--ink); text-decoration: none; font-size: 0.9rem; }
.site-footer a:hover { color: var(--coral); }
.footer-tag {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  margin: 0.7rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.35;
}
.footer-tag span { white-space: nowrap; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.8rem;
}
.footer-bottom div { display: flex; gap: 1rem; }
.ruo {
  background: #fff;
  border-top: 1px solid var(--line);
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  padding: 0.75rem 1rem 1rem;
}

.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: #fff;
  z-index: 200;
  flex-direction: column;
  padding: 1rem 1.25rem 2rem;
  overflow: auto;
}
.mobile-menu.active { display: flex; }
.mobile-menu-header { display: flex; justify-content: flex-start; }
.mobile-menu-close {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: none;
  border: 0;
  font-size: 1rem;
  cursor: pointer;
  padding: 0.4rem 0;
}
.mobile-menu-close svg { width: 18px; height: 18px; }
.mobile-menu-nav {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-top: 1.5rem;
}
.mobile-menu-nav > a,
.mobile-accordion-trigger {
  background: none;
  border: 0;
  text-align: left;
  text-decoration: none;
  color: var(--ink);
  font-size: 1.15rem;
  font-weight: 500;
  padding: 0.45rem 0;
  cursor: pointer;
}
.mobile-accordion-trigger {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  width: 100%;
}
.accordion-chevron { width: 12px; height: 12px; stroke: currentColor; fill: none; stroke-width: 2; }
.mobile-accordion[data-open="true"] .accordion-chevron { transform: rotate(180deg); }
.mobile-accordion-panel {
  display: none;
  flex-direction: column;
  gap: 0.35rem;
  padding: 0.2rem 0 0.4rem 0.2rem;
}
.mobile-accordion[data-open="true"] .mobile-accordion-panel { display: flex; }
.mobile-accordion-panel a {
  color: var(--muted);
  text-decoration: none;
  font-size: 1rem;
}
.mobile-order-cta {
  margin-top: 0.6rem;
  background: var(--coral) !important;
  color: #fff !important;
  text-align: center;
  padding: 0.75rem 1rem !important;
}

.cart-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(28, 31, 36, 0.45);
  z-index: 300;
}
.cart-overlay.active { display: block; }
.cart-drawer {
  position: fixed;
  top: 0;
  right: -440px;
  width: 420px;
  max-width: 100%;
  height: 100vh;
  height: 100dvh;
  background: #fff;
  z-index: 310;
  display: flex;
  flex-direction: column;
  transition: right 0.25s ease;
  border-left: 1px solid var(--line);
}
.cart-drawer.active { right: 0; }
.cart-header, .po-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem 1.25rem;
  border-bottom: 1px solid var(--line);
}
.cart-header h2, .po-modal-header h2 { margin: 0; font-size: 1.15rem; }
.cart-close, .po-modal-close, .lead-modal-close {
  background: none;
  border: 0;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  color: var(--muted);
}
.cart-items { flex: 1; overflow: auto; padding: 0.5rem 1.25rem 1rem; }
.cart-empty { text-align: center; color: var(--muted); padding: 2.5rem 0.5rem; }
.cart-empty svg { width: 48px; height: 48px; stroke: #c5ccd6; }
.cart-item {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--line);
}
.cart-item-name { font-weight: 600; }
.cart-item-size, .cart-remove { color: var(--muted); font-size: 0.85rem; }
.cart-item-price { font-weight: 600; margin-top: 0.2rem; }
.cart-item-price::before { content: "$"; }
.cart-qty { display: flex; align-items: center; gap: 0.35rem; }
.cart-qty button {
  width: 28px;
  height: 28px;
  border: 1px solid var(--line);
  background: #fff;
  cursor: pointer;
}
.cart-remove { background: none; border: 0; cursor: pointer; padding: 0; margin-top: 0.35rem; }
.cart-footer {
  border-top: 1px solid var(--line);
  padding: 1rem 1.25rem 1.25rem;
}
.cart-subtotal, .po-order-total, .po-summary-line, .po-order-item {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}
.cart-subtotal-value, .po-order-total span:last-child { font-weight: 700; font-size: 1.2rem; }
.cart-tos, .po-auth-checkbox {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  margin: 0.8rem 0;
  font-size: 0.85rem;
  color: var(--muted);
}
.cart-tos {
  align-items: center;
  font-size: 0.74rem;
}
.cart-tos label {
  white-space: nowrap;
}
.cart-checkout, .po-submit-btn, .lead-submit-btn {
  width: 100%;
  background: var(--coral);
  color: #fff;
  border: 0;
  border-radius: 2px;
  padding: 0.8rem 1rem;
  font-weight: 600;
  cursor: pointer;
}
.cart-checkout:disabled, .po-submit-btn:disabled, .lead-submit-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.cart-secondary-actions { display: flex; gap: 0.5rem; margin-top: 0.6rem; }
.cart-po-btn, .cart-quote-btn, .cart-fisher-btn, .cart-continue {
  background: #fff;
  border: 1px solid var(--line);
  color: var(--ink);
  border-radius: 2px;
  cursor: pointer;
  font-weight: 600;
}
.cart-po-btn, .cart-quote-btn { flex: 1; padding: 0.6rem 0.4rem; font-size: 0.78rem; }
.cart-po-btn:disabled, .cart-quote-btn:disabled { opacity: 0.45; cursor: not-allowed; }
.cart-fisher-btn, .cart-continue {
  width: 100%;
  margin-top: 0.55rem;
  padding: 0.6rem;
  font-size: 0.82rem;
}
.cart-fisher-btn { display: flex; align-items: center; justify-content: center; gap: 0.35rem; }
.cart-fisher-btn svg { width: 12px; height: 12px; }

.toast {
  position: fixed;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%) translateY(12px);
  background: var(--ink);
  color: #fff;
  padding: 0.75rem 1rem;
  border-radius: 2px;
  display: flex;
  gap: 0.5rem;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 400;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast svg { width: 18px; height: 18px; stroke: #fff; }

.lead-modal-overlay, .po-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(28, 31, 36, 0.45);
  z-index: 500;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.lead-modal-overlay.active, .po-modal-overlay.active { display: flex; }
.lead-modal, .po-modal {
  background: #fff;
  width: 100%;
  max-width: 440px;
  padding: 1.5rem;
  position: relative;
  border: 1px solid var(--line);
}
.po-modal { max-width: 640px; max-height: 90vh; overflow: auto; padding: 0; }
.lead-modal h2 { margin: 0 0 1rem; font-size: 1.2rem; line-height: 1.3; }
.lead-modal label, .po-form-group label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.3rem;
}
.lead-modal input, .po-form-group input, .po-form-group select {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  padding: 0.7rem 0.75rem;
  margin-bottom: 0.8rem;
  border-radius: 2px;
  font-size: 1rem;
}
.po-modal-body { padding: 1.1rem 1.25rem 1.4rem; }
.po-section-title {
  font-weight: 600;
  margin: 0.4rem 0 0.8rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--line);
}
.po-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.po-form-group { margin-bottom: 0.35rem; }
.required { color: var(--coral); }
.po-order-summary {
  background: var(--page);
  border: 1px solid var(--line);
  padding: 0.9rem;
  margin: 0.6rem 0 1rem;
}
.order-summary-heading {
  margin: 0 0 0.5rem;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.po-order-item, .po-summary-line { font-size: 0.9rem; padding: 0.25rem 0; }
.po-order-item span:last-child::before { content: "$"; }
.po-order-total { margin-top: 0.45rem; padding-top: 0.45rem; border-top: 1px solid var(--line); }
.po-promo-row { display: flex; gap: 0.4rem; margin-top: 0.6rem; }
.po-promo-row input { margin: 0; text-transform: uppercase; }
.po-promo-apply, .po-promo-remove {
  background: #fff;
  border: 1px solid var(--line);
  cursor: pointer;
  font-weight: 600;
}
.po-promo-apply { padding: 0 0.8rem; }
.po-promo-status { font-size: 0.8rem; margin-top: 0.35rem; }
.po-promo-status.error { color: var(--coral); }
.po-promo-status.success, .discount { color: var(--teal); }
.po-promo-applied { display: flex; justify-content: space-between; align-items: center; margin-top: 0.5rem; }
.po-signature-preview {
  min-height: 3rem;
  border: 1px dashed var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.6rem;
}
.sig-text { font-family: "Dancing Script", cursive; font-size: 1.8rem; }
.sig-placeholder { color: var(--muted); font-size: 0.85rem; }
.po-error { color: var(--coral); font-size: 0.85rem; display: none; }
.po-error.visible { display: block; }
.lead-error { color: var(--coral); min-height: 1.1em; font-size: 0.85rem; }
.quote-submit-btn { background: var(--ink); }
.lead-modal-close { position: absolute; top: 0.6rem; right: 0.7rem; }

:focus-visible { outline: 2px solid var(--teal); outline-offset: 2px; }

@media (max-width: 900px) {
  .site-nav, .text-link, .nav-order-btn { display: none; }
  .menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .ticker-bar { flex-direction: column; align-items: flex-start; gap: 0.35rem; padding: 0.55rem 0 0.45rem 1.25rem; }
  .ticker-label { font-size: 0.65rem; }
  .ticker-wrapper { width: 100%; }
  .product-layout, .steps, .charts, .metrics, .footer-grid { grid-template-columns: 1fr; }
  .step p { white-space: normal; }
  .buy { order: -1; }
  .reagent-label { min-height: 0; }
  .label-stage { grid-template-columns: 1fr; }
  .label-vial-slot { justify-content: center; }
  .label-vial-slot .hv { width: 64px; }
  .footer-bottom { flex-direction: column; }
  .po-form-row { grid-template-columns: 1fr; }
  .chart-row { grid-template-columns: 88px 1fr 48px; }
}
@media (max-width: 640px) {
  .choices { grid-template-columns: 1fr 1fr; }
  .choice { font-size: 0.9rem; white-space: normal; min-height: 2.75rem; }
  .size-group { grid-template-columns: 1fr; }
  .price-row { flex-direction: column; align-items: flex-start; }
  .price-meta { text-align: left; }
  .buy-follow { white-space: normal; }
  .buy h1 { font-size: 1.55rem; }
  .buy-actions { grid-template-columns: 1fr; }
  .cart-drawer { width: 100%; right: -100%; }
}