:root {
  --navy: #08255c;
  --navy-strong: #041a45;
  --accent: #f05a28;
  --accent-soft: #fff2ec;
  --ink: #101828;
  --muted: #667085;
  --line: #e4e7ec;
  --soft: #f6f7f9;
  --white: #ffffff;
  --display: "Avenir Next", Avenir, "Century Gothic", "Trebuchet MS", sans-serif;
  --body: "Avenir Next", Avenir, "Microsoft YaHei", "Segoe UI", sans-serif;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { background: var(--white); scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: var(--body);
  background: var(--white);
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 3px solid rgba(240, 90, 40, 0.38);
  outline-offset: 3px;
}
.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 50;
  padding: 10px 14px;
  color: var(--white);
  background: var(--navy);
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }
.page-width, .header-inner, .utility-inner, .footer-inner {
  width: min(1240px, calc(100% - 48px));
  margin: 0 auto;
}
.utility-bar {
  border-bottom: 1px solid var(--line);
  color: #4f5b70;
  background: var(--white);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.utility-inner {
  min-height: 31px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.utility-inner p { margin: 0; }
.utility-inner nav { display: flex; gap: 26px; }
.utility-inner a:hover { color: var(--navy); }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
}
.header-inner {
  min-height: 76px;
  display: grid;
  grid-template-columns: auto minmax(180px, 1fr) auto auto;
  align-items: center;
  gap: 42px;
}
.brand {
  display: inline-flex;
  align-items: center;
  color: var(--navy);
}
.brand img {
  width: auto;
  height: 31px;
  max-width: 146px;
  display: block;
}
.primary-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  color: #344054;
  font-size: 14px;
  font-weight: 600;
}
.primary-nav a { position: relative; padding: 27px 0 25px; }
.primary-nav a::after {
  position: absolute;
  right: 0;
  bottom: 18px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease;
}
.primary-nav a:hover::after { transform: scaleX(1); }
.header-quote {
  min-height: 43px;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--white);
  background: var(--navy);
  font-size: 13px;
  font-weight: 800;
  transition: background 160ms ease, transform 160ms ease;
}
.header-quote:hover { background: var(--navy-strong); transform: translateY(-1px); }
.header-quote span[aria-hidden="true"] { font-size: 17px; line-height: 1; }
.breadcrumbs {
  min-height: 62px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}
.breadcrumbs a:hover { color: var(--navy); }
.breadcrumbs [aria-current="page"] { color: var(--navy); }
.product-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.42fr) minmax(390px, 0.86fr);
  gap: 54px;
  padding: 32px 0 68px;
}
.gallery-column { min-width: 0; }
.gallery-shell {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 24px;
  min-height: 720px;
  background: var(--white);
}
.thumbnail-rail {
  display: grid;
  align-content: start;
  gap: 12px;
}
.thumbnail {
  position: relative;
  width: 84px;
  padding: 0 0 11px;
  border: 0;
  background: var(--white);
  cursor: pointer;
}
.thumbnail::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 3px;
  content: "";
  background: transparent;
}
.thumbnail[aria-current="true"]::after { background: var(--accent); }
.thumbnail img { width: 84px; height: 84px; object-fit: contain; }
.thumbnail span {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.gallery-stage {
  display: grid;
  place-items: center;
  min-width: 0;
  min-height: 720px;
  background: var(--white);
}
.main-image-button {
  display: grid;
  place-items: center;
  width: 100%;
  min-height: 700px;
  padding: 0;
  border: 0;
  background: var(--white);
  cursor: zoom-in;
}
.main-picture { display: contents; }
.main-image {
  width: min(100%, 720px);
  max-height: 700px;
  object-fit: contain;
}
.media-gate {
  display: none;
  padding: 32px;
  color: var(--muted);
  background: var(--soft);
  text-align: center;
}
.product-panel {
  align-self: start;
  min-width: 0;
  padding-top: 2px;
}
.customization-badge {
  width: fit-content;
  margin: 16px 0 -4px;
  padding: 6px 10px;
  border: 1px solid rgba(11, 45, 99, 0.18);
  border-radius: 999px;
  color: var(--navy);
  background: #f3f6fb;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
}
.product-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--navy);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.product-meta p { margin: 0; }
.product-meta span { color: var(--muted); }
h1#product-title {
  max-width: 590px;
  margin: 16px 0;
  color: var(--navy);
  font-family: var(--display);
  font-size: clamp(34px, 2.75vw, 44px);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1.06;
}
.lede {
  margin: 22px 0 24px;
  color: #475467;
  font-size: 15px;
  line-height: 1.68;
}
.price-overview {
  margin: 0;
  padding: 0 0 18px;
  border-bottom: 1px solid var(--line);
}
.price-overview > p {
  margin: 0 0 2px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}
.starting-price-row { display: flex; align-items: baseline; gap: 12px; }
.starting-price-row strong {
  color: var(--navy);
  font-family: var(--display);
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.035em;
}
.starting-price-row span { color: var(--muted); font-size: 12px; }
.price-tiers { margin-top: 8px; }
.price-tiers summary {
  width: max-content;
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--navy);
  font-size: 12px;
  font-weight: 800;
  list-style: none;
  cursor: pointer;
}
.price-tiers summary::-webkit-details-marker { display: none; }
.price-tier-chevron { color: var(--accent); font-size: 13px; transition: transform 160ms ease; }
.price-tiers[open] .price-tier-chevron { transform: rotate(180deg); }
.price-tier-content { margin-top: 13px; padding: 13px 14px; background: #f8fafc; }
.price-tier-content table { width: 100%; border-collapse: collapse; color: var(--navy); font-size: 11px; text-align: center; }
.price-tier-content caption {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}
.price-tier-content th, .price-tier-content td {
  padding: 7px 5px;
  border-bottom: 1px solid var(--line);
  font-variant-numeric: tabular-nums;
}
.price-tier-content th:first-child { text-align: left; }
.price-tier-content tbody tr:last-child th, .price-tier-content tbody tr:last-child td { border-bottom: 0; }
.price-tier-content p { margin: 10px 0 0; color: var(--muted); font-size: 10px; line-height: 1.5; }
.variant-picker { padding: 25px 0 21px; border-bottom: 1px solid var(--line); }
.picker-heading {
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.picker-heading h2, .picker-heading p { margin: 0; }
.picker-heading h2 { color: var(--navy); font-size: 13px; font-weight: 800; }
.picker-heading p { color: var(--muted); font-size: 12px; font-weight: 600; }
.swatch-grid { display: flex; flex-wrap: wrap; gap: 10px; }
.swatch {
  position: relative;
  width: 31px;
  height: 31px;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
}
.swatch::before {
  position: absolute;
  inset: 4px;
  border: 1px solid rgba(16, 24, 40, 0.18);
  border-radius: 50%;
  content: "";
  background: var(--swatch);
}
.swatch::after {
  position: absolute;
  inset: -2px;
  border: 2px solid var(--navy);
  border-radius: 50%;
  content: "";
  opacity: 0;
  transform: scale(0.85);
  transition: opacity 120ms ease, transform 120ms ease;
}
.swatch[aria-pressed="true"]::after { opacity: 1; transform: scale(1); }
.quantity-row {
  padding: 20px 0;
  display: grid;
  grid-template-columns: auto 96px;
  align-items: center;
  justify-content: start;
  gap: 16px;
}
.quantity-row label { color: var(--navy); font-size: 13px; font-weight: 800; }
.quantity-row input {
  width: 96px;
  height: 45px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 0;
  color: var(--navy);
  background: var(--white);
  text-align: center;
}
.quote-button {
  width: 100%;
  min-height: 54px;
  padding: 0 19px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--white);
  background: var(--navy);
  font-size: 14px;
  font-weight: 800;
  transition: background 160ms ease;
}
.quote-button:hover { background: var(--navy-strong); }
.quote-arrow { font-size: 20px; font-weight: 400; }
.quote-help { margin: 4px 0 20px; padding: 0; border: 0; }
.quote-help summary {
  width: max-content;
  min-height: 42px;
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--navy);
  font-size: 12px;
  font-weight: 700;
  list-style: none;
  cursor: pointer;
}
.quote-help summary::-webkit-details-marker { display: none; }
.quote-help-icon {
  width: 18px;
  height: 18px;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  background: var(--accent);
  font-size: 11px;
  font-weight: 900;
}
.quote-help p {
  max-width: 54ch;
  margin: 0 0 6px 27px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}
.product-information { padding: 0; }
.information-heading { display: flex; min-height: 68px; align-items: center; border-bottom: 1px solid var(--line); }
.information-heading h2#product-information-title {
  margin: 0;
  color: var(--navy);
  font-family: var(--display);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.information-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-bottom: 1px solid var(--line); }
.information-panel { min-width: 0; padding: 28px 30px; border-right: 1px solid var(--line); }
.information-panel:first-child { padding-left: 0; }
.information-panel:last-child { padding-right: 0; border-right: 0; }
.information-panel h3 { margin: 0 0 17px; color: var(--navy); font-family: var(--display); font-size: 17px; }
.information-panel > p { margin: 0; color: #475467; font-size: 14px; line-height: 1.72; }
.overview-panel .spec-list { margin-top: 18px; padding-top: 8px; border-top: 1px solid var(--line); }
.spec-list { margin: 0; }
.spec-list div { padding: 8px 0; display: grid; grid-template-columns: 120px 1fr; gap: 16px; }
.spec-list dt { color: var(--navy); font-size: 16px; line-height: normal; font-weight: 800; }
.spec-list dd { margin: 0; font-size: 16px; line-height: normal; }
.information-panel > .panel-note {
  margin-top: 18px;
  padding-top: 15px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}
.confidence-strip {
  margin-bottom: 76px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-bottom: 1px solid var(--line);
}
.confidence-strip article { position: relative; min-height: 180px; padding: 30px 34px; border-right: 1px solid var(--line); }
.confidence-strip article:last-child { border-right: 0; }
.confidence-strip span { color: var(--accent); font-size: 11px; font-weight: 800; }
.confidence-strip h2 { margin: 20px 0 9px; color: var(--navy); font-family: var(--display); font-size: 20px; }
.confidence-strip p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.55; }
.site-footer { color: #d7dceb; background: var(--navy-strong); }
.footer-brand {
  width: auto;
  height: 31px;
  max-width: 146px;
  display: block;
}
.footer-inner {
  min-height: 180px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 46px;
}
.footer-inner p { margin: 0; font-size: 12px; line-height: 1.6; }
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  font-size: 12px;
  font-weight: 650;
}
.footer-links a { color: #d7dceb; text-decoration: none; }
.footer-links a:hover { color: #ffffff; }
.footer-sku {
  justify-self: end;
  color: #aeb8d3;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.lightbox {
  width: min(980px, calc(100% - 32px));
  padding: 0;
  border: 0;
  color: var(--ink);
  background: var(--white);
  box-shadow: 0 30px 90px rgba(4, 26, 69, 0.28);
}
.lightbox::backdrop { background: rgba(4, 26, 69, 0.72); }
.lightbox-bar {
  min-height: 58px;
  padding: 0 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}
.lightbox-bar h2 { margin: 0; color: var(--navy); font-size: 14px; }
.lightbox-bar button { border: 0; color: var(--navy); background: transparent; font-weight: 800; cursor: pointer; }
.lightbox > picture { display: contents; }
.lightbox img { width: 100%; max-height: 78vh; padding: 28px; object-fit: contain; background: var(--white); }

.catalog-intro, .review-intro { padding: 54px 0 36px; border-bottom: 1px solid var(--line); }
.catalog-intro h1, .review-intro h1 { max-width: 820px; }
.catalog-intro p, .review-intro p { max-width: 720px; color: #475467; line-height: 1.68; }
.catalog-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 30px; padding: 36px 0 72px; }
.catalog-card { min-width: 0; }
.catalog-card img { width: 100%; aspect-ratio: 1; object-fit: contain; }
.catalog-card h2 { color: var(--navy); font-family: var(--display); font-size: 21px; line-height: 1.15; }
.catalog-card p { color: var(--muted); font-size: 13px; line-height: 1.55; }
.catalog-card-meta { display: flex; justify-content: space-between; gap: 12px; padding-top: 12px; border-top: 1px solid var(--line); color: var(--navy); font-size: 11px; font-weight: 800; }
.review-notice { padding: 10px 20px; color: #873b18; background: var(--accent-soft); text-align: center; font-size: 11px; font-weight: 800; }
.review-section { padding: 34px 0; border-bottom: 1px solid var(--line); }
.review-section h2 { color: var(--navy); font-family: var(--display); }
.review-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 22px; }
.review-card { min-width: 0; padding: 20px; border: 1px solid var(--line); }
.review-card h3 { color: var(--navy); font-family: var(--display); }
.review-card p { color: var(--muted); font-size: 13px; line-height: 1.55; }
.review-card a { color: var(--navy); font-weight: 800; text-decoration: underline; }
.review-links { display: flex; flex-wrap: wrap; gap: 10px; }
.review-links a { padding: 10px 14px; color: var(--white); background: var(--navy); font-weight: 800; }
.review-decision { margin: 36px auto 64px; padding: 28px; color: var(--white); background: var(--navy-strong); }
.review-decision h2 { margin-top: 0; }
.decision-buttons { display: flex; flex-wrap: wrap; gap: 10px; }
.decision-buttons button { min-height: 42px; padding: 0 14px; border: 1px solid var(--white); color: var(--white); background: transparent; cursor: pointer; }

@media (max-width: 1080px) {
  .page-width, .header-inner, .utility-inner, .footer-inner { width: min(100% - 32px, 940px); }
  .primary-nav { display: none; }
  .header-inner { grid-template-columns: 1fr auto; }
  .product-layout { grid-template-columns: minmax(0, 1.12fr) minmax(340px, 0.88fr); gap: 32px; }
  .gallery-shell { min-height: 620px; }
  .gallery-stage { min-height: 620px; }
  .main-image-button { min-height: 600px; }
}
@media (max-width: 820px) {
  .utility-inner p { display: none; }
  .utility-inner { justify-content: flex-end; }
  .product-layout { grid-template-columns: 1fr; padding-top: 24px; }
  .gallery-shell { grid-template-columns: 1fr; grid-template-areas: "stage" "thumbs"; min-height: 580px; }
  .thumbnail-rail { grid-area: thumbs; grid-template-columns: repeat(4, 84px); justify-content: center; }
  .gallery-stage { grid-area: stage; min-height: 580px; }
  .main-image-button { min-height: 560px; }
  .information-grid, .confidence-strip { grid-template-columns: 1fr; }
  .information-panel, .information-panel:first-child, .information-panel:last-child { padding: 24px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .information-panel:last-child { border-bottom: 0; }
  .confidence-strip article { min-height: 140px; border-right: 0; border-bottom: 1px solid var(--line); }
  .confidence-strip article:last-child { border-bottom: 0; }
  .footer-inner { padding: 42px 0; grid-template-columns: 1fr; gap: 20px; }
  .footer-inner p:last-child { justify-self: start; }
  .catalog-grid, .review-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .utility-bar { display: none; }
  .page-width, .header-inner, .utility-inner, .footer-inner { width: min(100% - 24px, 520px); }
  .header-inner { min-height: 68px; }
  .brand img { width: auto; height: 28px; max-width: 128px; }
  .header-quote { min-height: 40px; padding: 0 13px; font-size: 12px; }
  .breadcrumbs { min-height: 52px; overflow-x: auto; white-space: nowrap; }
  .product-layout { gap: 30px; padding-bottom: 50px; }
  .gallery-shell { min-height: 500px; }
  .gallery-stage { min-height: 420px; }
  .main-image-button { min-height: 420px; }
  .main-image { width: 100%; max-height: 480px; }
  .thumbnail-rail { grid-template-columns: repeat(2, 84px); }
  h1#product-title { font-size: 32px; }
  .starting-price-row strong { font-size: 29px; }
  .price-tier-content { margin-right: -2px; margin-left: -2px; padding: 11px 8px; }
  .price-tier-content th, .price-tier-content td { padding: 7px 3px; font-size: 10px; }
  .quantity-row { grid-template-columns: auto 96px; }
  .spec-list div { grid-template-columns: 1fr; gap: 2px; }
  .confidence-strip { margin-bottom: 48px; }
  .information-heading { min-height: 60px; }
  .review-links { display: grid; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* V3.3.3 exact3 preparation delta only.
   Append after the sealed golden product-page.css only after exact10 media QA. */
.price-tier-content table {
  table-layout: fixed;
}

.price-tier-content th:first-child,
.price-tier-content td:first-child {
  width: 50%;
  padding-left: 5px;
  padding-right: 5px;
  text-align: left;
  vertical-align: middle;
}

@media (max-width: 560px) {
  .price-tier-content th:first-child,
  .price-tier-content td:first-child {
    width: 50%;
    padding-left: 3px;
    padding-right: 3px;
    text-align: left;
  }
}