:root {
  --paper: #f3f7f5;
  --paper-bright: #fbfdfc;
  --surface: #ffffff;
  --surface-soft: #e9f0ed;
  --ink: #173a35;
  --ink-soft: #5e716d;
  --ink-faint: #82928e;
  --line: #d7e2de;
  --line-strong: #bccdc7;
  --accent: #0b846f;
  --accent-dark: #096452;
  --deep: #082d2c;
  --deep-soft: #0e3b38;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(19, 65, 57, 0.12);
  --radius: 18px;
  --shell: 1180px;
  --header-height: 74px;
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 132px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.nav-open { overflow: hidden; }

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
a { -webkit-tap-highlight-color: transparent; }

button { font: inherit; }

:focus-visible {
  outline: 3px solid rgba(11, 132, 111, 0.35);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  left: 16px;
  top: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--deep);
  color: var(--white);
  transform: translateY(-160%);
  transition: transform 180ms ease;
}

.skip-link:focus { transform: translateY(0); }

.site-shell {
  width: min(calc(100% - 48px), var(--shell));
  margin-inline: auto;
}

.site-header {
  position: relative;
  z-index: 60;
  min-height: var(--header-height);
  border-bottom: 1px solid rgba(188, 205, 199, 0.7);
  background: rgba(251, 253, 252, 0.96);
}

.site-header__inner {
  min-height: var(--header-height);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 34px;
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-lockup a {
  display: grid;
  place-items: center;
}

.brand-lockup__dbc img {
  width: 72px;
  height: 36px;
  object-fit: contain;
}

.brand-lockup__bioten img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.primary-nav {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: 30px;
}

.primary-nav a {
  position: relative;
  padding: 26px 0 22px;
  color: #294843;
  font-size: 14px;
  font-weight: 680;
  white-space: nowrap;
}

.primary-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 17px;
  height: 2px;
  background: var(--accent);
  transition: right 180ms ease;
}

.primary-nav a:hover::after,
.primary-nav a.is-current::after { right: 0; }

.primary-nav a.is-current { color: var(--accent-dark); }

.language-toggle {
  min-width: 76px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid #bed1cb;
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  font-size: 12px;
  font-weight: 740;
  box-shadow: 0 8px 24px rgba(15, 76, 65, 0.08);
}

.language-toggle i {
  width: 1px;
  height: 14px;
  background: var(--line-strong);
}

.language-toggle:active,
.button:active,
.product-nav__action:active,
.release-filters button:active { transform: translateY(1px); }

.nav-toggle {
  display: none;
  border: 0;
  background: transparent;
  color: var(--ink);
  font-weight: 700;
}

.product-nav {
  position: sticky;
  z-index: 50;
  top: 72px;
  border-bottom: 1px solid rgba(188, 205, 199, 0.75);
  background: rgba(243, 247, 245, 0.9);
  backdrop-filter: blur(18px) saturate(130%);
  -webkit-backdrop-filter: blur(18px) saturate(130%);
}

.product-nav__inner {
  min-height: 58px;
  display: grid;
  grid-template-columns: minmax(220px, 0.8fr) 1.6fr auto;
  align-items: center;
  gap: 24px;
}

.product-nav__identity {
  display: flex;
  align-items: baseline;
  gap: 10px;
  white-space: nowrap;
}

.product-nav__identity strong {
  font-size: 14px;
  font-weight: 780;
}

.product-nav__identity span {
  color: var(--ink-faint);
  font-size: 11px;
}

.product-nav nav {
  display: flex;
  justify-content: center;
  gap: 22px;
  overflow-x: auto;
  scrollbar-width: none;
}

.product-nav nav::-webkit-scrollbar { display: none; }

.product-nav nav a {
  position: relative;
  padding: 18px 0 16px;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 680;
  white-space: nowrap;
}

.product-nav nav a::after {
  content: "";
  position: absolute;
  left: 50%;
  right: 50%;
  bottom: 11px;
  height: 2px;
  background: var(--accent);
  transition: left 180ms ease, right 180ms ease;
}

.product-nav nav a.is-active { color: var(--accent-dark); }

.product-nav nav a.is-active::after {
  left: 0;
  right: 0;
}

.product-nav__action {
  padding: 9px 15px;
  border-radius: 999px;
  background: var(--ink) !important;
  color: var(--white) !important;
  font-size: 12px;
  font-weight: 740;
  white-space: nowrap;
}

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 12%, rgba(11, 132, 111, 0.08), transparent 28%),
    linear-gradient(180deg, #f8fbf9, var(--paper));
}

.hero::after {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  right: -240px;
  bottom: -310px;
  border-radius: 50%;
  border: 1px solid rgba(11, 132, 111, 0.14);
  box-shadow: 0 0 0 80px rgba(11, 132, 111, 0.025), 0 0 0 160px rgba(11, 132, 111, 0.018);
  pointer-events: none;
}

.hero__grid {
  position: relative;
  z-index: 1;
  min-height: min(640px, calc(100dvh - 132px));
  display: grid;
  grid-template-columns: minmax(390px, 0.92fr) minmax(520px, 1.08fr);
  align-items: center;
  gap: 52px;
  padding-block: 58px 66px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 34px;
  color: var(--ink-faint);
  font-size: 12px;
}

.breadcrumb a::after {
  content: "/";
  margin-left: 8px;
  color: #a6b4b0;
}

.hero__label,
.section-label {
  margin: 0 0 16px;
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 780;
  letter-spacing: 0.1em;
}

.hero h1 {
  max-width: 690px;
  margin: 0;
  color: var(--ink) !important;
  font-size: clamp(48px, 4.5vw, 68px) !important;
  line-height: 1.04 !important;
  letter-spacing: -0.055em;
}

.hero h1 span,
.hero h1 strong { display: block; }

.hero h1 span { font-weight: 580 !important; }

.hero h1 strong {
  margin-top: 9px;
  color: var(--accent-dark) !important;
  font-weight: 790 !important;
}

.hero__lead {
  max-width: 42em;
  margin: 28px 0 0;
  color: var(--ink-soft);
  font-size: 18px;
  line-height: 1.8;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  min-height: 48px !important;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 740;
  white-space: nowrap;
  transition: transform 150ms ease, border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.button:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
}

.button--primary {
  border-color: var(--accent-dark) !important;
  background: var(--accent-dark) !important;
  color: var(--white) !important;
  box-shadow: 0 14px 34px rgba(9, 100, 82, 0.2);
}

.button--primary:hover {
  border-color: var(--ink) !important;
  background: var(--ink) !important;
  color: var(--white) !important;
}

.button--secondary { background: rgba(255, 255, 255, 0.82); }

.hero__boundary {
  max-width: 650px;
  margin: 22px 0 0;
  color: var(--ink-faint);
  font-size: 12px;
}

.hero__media {
  position: relative;
  margin: 0;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius);
  background: #d8d5cd;
  box-shadow: var(--shadow);
}

.hero__media img {
  width: 100%;
  height: 100%;
  aspect-ratio: auto;
  object-fit: cover;
  object-position: center;
}

.hero__media figcaption {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 12px;
  background: rgba(9, 32, 28, 0.68);
  color: var(--white);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.hero__media figcaption span {
  color: rgba(255, 255, 255, 0.7);
  font-size: 11px;
  white-space: nowrap;
}

.hero__media figcaption strong {
  font-size: 13px;
  text-align: right;
}

.signal-strip {
  border-block: 1px solid var(--line);
  background: var(--paper-bright);
}

.signal-strip__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.signal-strip__grid div {
  min-height: 94px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  padding: 18px 24px;
  border-left: 1px solid var(--line);
}

.signal-strip__grid div:last-child { border-right: 1px solid var(--line); }

.signal-strip span {
  color: var(--ink-faint);
  font-size: 11px;
}

.signal-strip strong {
  font-size: 14px;
  font-weight: 720;
}

.section {
  padding-block: 96px;
}

main > section[id] { scroll-margin-top: 0 !important; }

.section--surface,
.section--applications,
.section--releases { background: var(--paper-bright); }

.section--product,
.section--fit { background: var(--paper); }

.section-head {
  max-width: 800px;
  margin-bottom: 48px;
}

.section-head--compact { max-width: 720px; }

.section-head h2,
.closing h2 {
  margin: 0;
  font-size: 30px;
  line-height: 1.28;
  letter-spacing: -0.025em;
}

.section-head > p:last-child,
.closing p {
  max-width: 58em;
  margin: 20px 0 0;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.85;
}

.surface-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.surface-layout__media {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  background: #d8d2c7;
  box-shadow: var(--shadow);
}

.surface-layout__media img {
  width: 100%;
  height: auto;
  min-height: 0;
  aspect-ratio: auto;
  object-fit: contain;
}

.surface-values {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line);
}

.surface-values article {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 16px;
  min-height: 148px;
  padding: 28px 24px 28px 0;
}

.surface-values article + article {
  padding-left: 24px;
  border-left: 1px solid var(--line);
}

.surface-values article > span,
.application-list article > span {
  color: var(--accent);
  font-size: 11px;
  font-weight: 780;
}

.surface-values h3,
.application-list h3 {
  margin: 0;
  font-size: 20px;
  line-height: 1.3;
}

.surface-values p,
.application-list p {
  margin: 8px 0 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.product-record {
  display: grid;
  grid-template-columns: minmax(320px, 0.82fr) minmax(0, 1.18fr);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  box-shadow: 0 22px 60px rgba(19, 65, 57, 0.08);
}

.product-record__identity {
  padding: 42px;
  background: var(--deep);
  color: var(--white);
}

.product-record__identity > span {
  color: rgba(255, 255, 255, 0.58);
  font-size: 11px;
  font-weight: 760;
  letter-spacing: 0.08em;
}

.product-record__identity h3 {
  margin: 14px 0 0;
  font-size: 30px;
  line-height: 1.25;
}

.product-record__identity p {
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

.product-record__identity a {
  display: inline-block;
  margin-top: 26px;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.55);
  color: var(--white);
  font-size: 13px;
  font-weight: 720;
}

.product-record__facts {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.product-record__facts div {
  min-height: 132px;
  padding: 30px;
  border-left: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.product-record__facts div:nth-last-child(-n + 2) { border-bottom: 0; }

.product-record__facts dt {
  color: var(--ink-faint);
  font-size: 11px;
}

.product-record__facts dd {
  margin: 14px 0 0;
  font-size: 22px;
  font-weight: 740;
  line-height: 1.3;
}

.record-note {
  max-width: 920px;
  margin: 20px 0 0;
  color: var(--ink-faint);
  font-size: 12px;
}

.process-map {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.process-map article {
  position: relative;
  min-height: 240px;
  padding: 28px 24px 32px;
  border-left: 1px solid var(--line);
}

.process-map article:last-child { border-right: 1px solid var(--line); }

.process-map article:not(:last-child)::after {
  content: "";
  position: absolute;
  z-index: 1;
  right: -5px;
  top: 40px;
  width: 9px;
  height: 9px;
  border-top: 1px solid var(--accent);
  border-right: 1px solid var(--accent);
  transform: rotate(45deg);
  background: var(--paper);
}

.process-map span {
  display: block;
  color: var(--accent-dark);
  font-size: 11px;
  font-weight: 760;
}

.process-map strong {
  display: block;
  margin-top: 32px;
  font-size: 17px;
  line-height: 1.45;
}

.process-map p {
  margin: 16px 0 0;
  color: var(--ink-soft);
  font-size: 13px;
}

.application-visual {
  margin: 0;
  overflow: hidden;
  aspect-ratio: 3 / 1;
  border-radius: var(--radius);
  background: #37342e;
  box-shadow: var(--shadow);
}

.application-visual img {
  width: 100%;
  height: 100%;
  aspect-ratio: auto;
  object-fit: cover;
}

.application-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 28px;
  border-top: 1px solid var(--line-strong);
}

.application-list article {
  padding: 28px 24px 0 0;
}

.application-list article + article {
  padding-left: 24px;
  border-left: 1px solid var(--line);
}

.application-list h3 { margin-top: 18px; }

.section--evidence {
  background: var(--deep);
  color: var(--white);
}

.evidence-layout {
  display: grid;
  grid-template-columns: minmax(300px, 0.78fr) minmax(0, 1.22fr);
  gap: 80px;
  align-items: start;
}

.section-head--light {
  position: sticky;
  top: 104px;
  margin-bottom: 0;
}

.section-head--light .section-label { color: #66c9b6; }

.section-head--light > p:last-child { color: rgba(255, 255, 255, 0.68); }

.evidence-rows { border-top: 1px solid rgba(255, 255, 255, 0.22); }

.evidence-rows article {
  display: grid;
  grid-template-columns: 0.58fr 1fr;
  gap: 12px 28px;
  padding: 28px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.evidence-rows span {
  grid-row: 1 / span 2;
  color: #66c9b6;
  font-size: 12px;
  font-weight: 720;
}

.evidence-rows strong {
  font-size: 18px;
  line-height: 1.45;
}

.evidence-rows p {
  margin: 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 13px;
}

.release-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.release-toolbar > a {
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 740;
  white-space: nowrap;
}

.release-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.release-filters button {
  min-height: 38px;
  padding: 0 16px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
}

.release-filters button:hover,
.release-filters button.is-active {
  border-color: var(--accent-dark);
  background: var(--accent-dark);
  color: var(--white);
}

.release-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(320px, 0.55fr);
  gap: 18px;
  min-height: 360px;
}

.release-card {
  display: grid;
  grid-template-columns: 170px 1fr;
  min-height: 170px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.release-card:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  box-shadow: 0 18px 48px rgba(19, 65, 57, 0.1);
}

.release-card.is-featured {
  grid-row: span 2;
  grid-template-columns: 1fr;
}

.release-card__media {
  overflow: hidden;
  background: #d8d5ce;
}

.release-card__media img {
  width: 100%;
  height: 100%;
  min-height: 170px;
  object-fit: cover;
  transition: transform 400ms ease;
}

.release-card:hover img { transform: scale(1.018); }

.release-card.is-featured .release-card__media img {
  min-height: 260px;
  aspect-ratio: 16 / 7;
}

.release-card__body {
  display: flex;
  flex-direction: column;
  padding: 22px;
}

.release-card.is-featured .release-card__body { padding: 28px; }

.release-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--ink-faint);
  font-size: 11px;
}

.release-card__meta span {
  color: var(--accent-dark);
  font-weight: 760;
}

.release-card h3 {
  margin: 14px 0 0;
  font-size: 18px;
  line-height: 1.45;
}

.release-card.is-featured h3 { font-size: 26px; }

.release-card p {
  margin: 10px 0 0;
  color: var(--ink-soft);
  font-size: 13px;
}

.release-card__action {
  margin-top: auto;
  padding-top: 18px;
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 760;
}

.release-loading {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 18px;
}

.release-loading span {
  min-height: 340px;
  border-radius: var(--radius);
  background: linear-gradient(100deg, #e7eeeb 20%, #f3f7f5 40%, #e7eeeb 60%);
  background-size: 200% 100%;
  animation: release-shimmer 1.5s linear infinite;
}

.release-loading span:nth-child(2),
.release-loading span:nth-child(3) { min-height: 160px; }

.release-loading span:nth-child(3) { grid-column: 2; }

.release-empty {
  padding: 48px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  text-align: center;
}

.release-empty p {
  margin: 8px 0 0;
  color: var(--ink-soft);
  font-size: 13px;
}

.closing {
  padding-block: 86px;
  border-top: 1px solid var(--line);
  background: var(--surface-soft);
}

.closing__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 60px;
  align-items: end;
}

.closing__inner > div:first-child { max-width: 740px; }

.closing__actions {
  display: grid;
  grid-template-columns: repeat(2, auto);
  gap: 10px;
  justify-items: stretch;
}

.closing__actions .text-link {
  grid-column: 1 / -1;
  justify-self: end;
  margin-top: 8px;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 720;
}

.site-footer {
  background: #062522;
  color: var(--white);
}

.site-footer__top {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(0, 1.18fr);
  gap: 90px;
  padding-block: 64px 52px;
}

.site-footer__brand img {
  width: 178px;
  height: auto;
  filter: brightness(0) invert(1);
  opacity: 0.95;
}

.site-footer__brand strong {
  display: block;
  margin-top: 24px;
  font-size: 17px;
}

.site-footer__brand p {
  max-width: 420px;
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.58);
  font-size: 13px;
}

.site-footer__routes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 36px;
}

.site-footer__routes div {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.site-footer__routes strong {
  margin-bottom: 6px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 13px;
}

.site-footer__routes a {
  color: rgba(255, 255, 255, 0.55);
  font-size: 12px;
}

.site-footer__routes a:hover { color: var(--white); }

.site-footer__bottom {
  min-height: 62px;
  display: flex;
  align-items: center;
  gap: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.45);
  font-size: 11px;
}

.site-footer__bottom a:first-of-type { margin-left: auto; }

[data-reveal] {
  opacity: 1;
  transform: none;
}

.js [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 580ms ease, transform 580ms cubic-bezier(0.22, 1, 0.36, 1);
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@keyframes release-shimmer {
  to { background-position: -200% 0; }
}

@media (max-width: 1080px) {
  .site-header__inner { gap: 20px; }
  .primary-nav { gap: 20px; }
  .product-nav__inner { grid-template-columns: auto 1fr auto; }
  .product-nav__identity span { display: none; }
  .product-nav nav { justify-content: flex-start; }
  .hero__grid {
    grid-template-columns: minmax(340px, 0.88fr) minmax(430px, 1.12fr);
    gap: 36px;
  }
  .hero__media img { aspect-ratio: 16 / 10; }
  .process-map { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .process-map article:nth-child(3) { border-right: 1px solid var(--line); }
  .process-map article:nth-child(n + 4) { border-top: 1px solid var(--line); }
  .process-map article:nth-child(3)::after { display: none; }
}

@media (max-width: 900px) {
  :root { --header-height: 68px; }
  .site-shell { width: min(calc(100% - 36px), var(--shell)); }
  .site-header { position: sticky; top: 0; }
  .site-header__inner {
    grid-template-columns: auto 1fr auto auto;
    min-height: var(--header-height);
  }
  .nav-toggle {
    display: inline-flex;
    justify-self: end;
    cursor: pointer;
  }
  .primary-nav {
    position: fixed;
    inset: var(--header-height) 0 auto;
    display: grid;
    gap: 0;
    padding: 16px 18px 24px;
    border-bottom: 1px solid var(--line);
    background: var(--paper-bright);
    box-shadow: 0 26px 48px rgba(12, 58, 50, 0.14);
    transform: translateY(-125%);
    visibility: hidden;
    transition: transform 220ms ease, visibility 220ms ease;
  }
  .primary-nav.is-open {
    transform: translateY(0);
    visibility: visible;
  }
  .primary-nav a {
    padding: 15px 8px;
    border-bottom: 1px solid var(--line);
  }
  .primary-nav a::after { display: none; }
  .product-nav { top: var(--header-height); }
  .product-nav__inner {
    grid-template-columns: auto 1fr;
    gap: 18px;
  }
  .product-nav nav { order: 3; grid-column: 1 / -1; border-top: 1px solid var(--line); }
  .product-nav__action { justify-self: end; }
  .hero__grid {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-block: 54px 62px;
  }
  .hero__copy { max-width: 760px; }
  .hero__media img { aspect-ratio: 16 / 8; }
  .signal-strip__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .signal-strip__grid div:nth-child(2) { border-right: 1px solid var(--line); }
  .signal-strip__grid div:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .section { padding-block: 82px; }
  .surface-layout,
  .evidence-layout,
  .site-footer__top { grid-template-columns: 1fr; }
  .surface-layout__media img { min-height: 0; aspect-ratio: auto; }
  .product-record { grid-template-columns: 1fr; }
  .product-record__facts div:nth-last-child(-n + 2) { border-bottom: 1px solid var(--line); }
  .product-record__facts div:nth-child(n + 5) { border-bottom: 0; }
  .section-head--light { position: static; }
  .application-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .application-list article:nth-child(3) { padding-left: 0; border-left: 0; }
  .application-list article:nth-child(n + 3) { margin-top: 26px; padding-top: 26px; border-top: 1px solid var(--line); }
  .release-grid { grid-template-columns: 1fr; }
  .release-card.is-featured { grid-row: auto; }
  .closing__inner { grid-template-columns: 1fr; align-items: start; }
  .closing__actions { justify-self: start; }
  .site-footer__top { gap: 50px; }
}

@media (max-width: 640px) {
  html { scroll-padding-top: 150px; }
  .site-shell { width: min(calc(100% - 28px), var(--shell)); }
  .site-header__inner { gap: 10px; }
  .brand-lockup__dbc img { width: 62px; }
  .brand-lockup__bioten img { width: 32px; height: 32px; }
  .language-toggle { min-width: 62px; height: 34px; }
  .product-nav__identity strong { font-size: 12px; }
  .product-nav__action { padding-inline: 12px; }
  .product-nav nav { gap: 20px; }
  .hero__grid { padding-block: 44px 52px; }
  .breadcrumb { margin-bottom: 24px; }
  .hero h1 { font-size: clamp(38px, 11.5vw, 50px); }
  .hero__lead { font-size: 16px; }
  .hero__actions { display: grid; }
  .button { width: 100%; }
  .hero__media figcaption { align-items: flex-start; flex-direction: column; gap: 2px; }
  .hero__media figcaption strong { text-align: left; }
  .signal-strip__grid { grid-template-columns: 1fr; }
  .signal-strip__grid div { border-right: 1px solid var(--line); border-top: 1px solid var(--line); }
  .signal-strip__grid div:first-child { border-top: 0; }
  .section { padding-block: 68px; }
  .section-head { margin-bottom: 34px; }
  .section-head h2,
  .closing h2 { font-size: 30px; }
  .surface-layout { gap: 22px; }
  .surface-layout__media img { aspect-ratio: auto; }
  .surface-values { grid-template-columns: 1fr; }
  .surface-values article,
  .surface-values article + article {
    min-height: 0;
    padding: 24px 0;
    border-left: 0;
    border-bottom: 1px solid var(--line);
  }
  .surface-values article:last-child { border-bottom: 0; }
  .product-record__identity { padding: 30px 24px; }
  .product-record__facts { grid-template-columns: 1fr; }
  .product-record__facts div,
  .product-record__facts div:nth-child(n + 5) { min-height: auto; padding: 22px 24px; border-left: 0; border-bottom: 1px solid var(--line); }
  .product-record__facts div:last-child { border-bottom: 0; }
  .process-map { grid-template-columns: 1fr; }
  .process-map article,
  .process-map article:nth-child(n + 4) { min-height: 0; border-top: 0; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .process-map article:last-child { border-bottom: 0; }
  .process-map article::after { display: none; }
  .process-map strong { margin-top: 18px; }
  .application-visual { aspect-ratio: 3 / 1; }
  .application-visual img { aspect-ratio: auto; }
  .application-list { grid-template-columns: 1fr; }
  .application-list article,
  .application-list article + article,
  .application-list article:nth-child(3),
  .application-list article:nth-child(n + 3) { margin-top: 0; padding: 24px 0; border-left: 0; border-top: 0; border-bottom: 1px solid var(--line); }
  .evidence-layout { gap: 36px; }
  .evidence-rows article { grid-template-columns: 1fr; }
  .evidence-rows span { grid-row: auto; }
  .release-toolbar { align-items: flex-start; flex-direction: column; }
  .release-card,
  .release-card.is-featured { grid-template-columns: 1fr; }
  .release-card__media img,
  .release-card.is-featured .release-card__media img { min-height: 0; aspect-ratio: 16 / 8; }
  .release-loading { grid-template-columns: 1fr; }
  .release-loading span,
  .release-loading span:nth-child(2),
  .release-loading span:nth-child(3) { grid-column: auto; min-height: 180px; }
  .closing__actions { width: 100%; grid-template-columns: 1fr; }
  .closing__actions .text-link { grid-column: auto; justify-self: center; }
  .site-footer__routes { grid-template-columns: 1fr; gap: 28px; }
  .site-footer__bottom { flex-wrap: wrap; padding-block: 18px; }
  .site-footer__bottom a:first-of-type { margin-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .js [data-reveal] { opacity: 1; transform: none; }
}

@supports not ((backdrop-filter: blur(1px))) {
  .product-nav { background: rgba(243, 247, 245, 0.98); }
  .hero__media figcaption { background: rgba(9, 32, 28, 0.9); }
}

/* Publish-layer isolation from legacy generic component names. */
html[data-page="bioten-pha-waterborne-varnish"]
  body.bp7140-page
  .hero
  h1 {
  color: var(--ink) !important;
  font-size: clamp(48px, 4.5vw, 68px) !important;
  font-weight: 580 !important;
  line-height: 1.04 !important;
}

#overview #hero-title {
  color: var(--ink) !important;
  font-size: clamp(48px, 4.5vw, 68px) !important;
  font-weight: 580 !important;
  line-height: 1.04 !important;
}

#overview #hero-title strong {
  color: var(--accent-dark) !important;
  font-weight: 790 !important;
}

#overview #hero-title > span {
  color: var(--ink) !important;
}

html[data-page="bioten-pha-waterborne-varnish"]
  body.bp7140-page
  .hero
  h1
  strong {
  color: var(--accent-dark) !important;
  font-weight: 790 !important;
}

html[data-page="bioten-pha-waterborne-varnish"]
  body.bp7140-page
  .hero__lead {
  color: var(--ink-soft) !important;
  font-size: 18px !important;
  font-weight: 400 !important;
  line-height: 1.8 !important;
}

html[data-page="bioten-pha-waterborne-varnish"]
  body.bp7140-page
  .hero__boundary {
  color: var(--ink-faint) !important;
  font-size: 13px !important;
  font-weight: 400 !important;
  line-height: 1.65 !important;
}

html[data-page="bioten-pha-waterborne-varnish"]
  body.bp7140-page
  .hero
  .button.button--primary,
html[data-page="bioten-pha-waterborne-varnish"]
  body.bp7140-page
  .closing
  .button.button--primary {
  min-height: 48px !important;
  border-color: var(--accent-dark) !important;
  background: var(--accent-dark) !important;
  color: var(--white) !important;
  box-shadow: 0 14px 34px rgba(9, 100, 82, 0.2) !important;
}

#overview .hero__actions .button.button--primary,
#action .closing__actions .button.button--primary {
  border-color: var(--accent-dark) !important;
  background: var(--accent-dark) !important;
  color: var(--white) !important;
  -webkit-text-fill-color: var(--white) !important;
  text-shadow: none !important;
  box-shadow: 0 14px 34px rgba(9, 100, 82, 0.2) !important;
}

html[data-page="bioten-pha-waterborne-varnish"]
  body.bp7140-page
  .button.button--secondary {
  min-height: 48px !important;
  border-color: var(--line-strong) !important;
  background: rgba(255, 255, 255, 0.86) !important;
  color: var(--ink) !important;
}

html[data-page="bioten-pha-waterborne-varnish"]
  body.bp7140-page
  .section-head {
  display: block !important;
  width: 100% !important;
  max-width: 800px !important;
  margin: 0 0 48px !important;
  padding: 0 !important;
  text-align: left !important;
}

html[data-page="bioten-pha-waterborne-varnish"]
  body.bp7140-page
  .section-head.section-head--compact {
  max-width: 720px !important;
}

html[data-page="bioten-pha-waterborne-varnish"]
  body.bp7140-page
  :is(.section-head h2, .closing h2) {
  width: 100% !important;
  max-width: none !important;
  color: var(--ink) !important;
  font-size: 30px !important;
  font-weight: 720 !important;
  line-height: 1.28 !important;
  text-align: left !important;
}

#surface-title,
#product-title,
#fit-title,
#applications-title,
#releases-title,
#closing-title {
  color: var(--ink) !important;
  font-size: 30px !important;
  font-weight: 720 !important;
  line-height: 1.28 !important;
}

#evidence-title {
  color: var(--white) !important;
  font-size: 30px !important;
  font-weight: 720 !important;
  line-height: 1.28 !important;
}

#surface-title::before,
#product-title::before,
#fit-title::before,
#applications-title::before,
#evidence-title::before,
#releases-title::before,
#closing-title::before {
  display: none !important;
  content: none !important;
}

#surface > .site-shell > .section-head,
#fit > .site-shell > .section-head,
#releases > .site-shell > .section-head {
  max-width: 800px !important;
}

#product > .site-shell > .section-head,
#applications > .site-shell > .section-head {
  max-width: 720px !important;
}

html[data-page="bioten-pha-waterborne-varnish"]
  body.bp7140-page
  #evidence
  .evidence-layout
  > .section-head:not(#dbcWidthForceA):not(#dbcWidthForceB):not(#dbcWidthForceC) {
  grid-column: 1 / 2 !important;
  grid-column-start: 1 !important;
  grid-column-end: 2 !important;
  width: 100% !important;
  max-width: 100% !important;
}

html[data-page="bioten-pha-waterborne-varnish"]
  body.bp7140-page
  #evidence
  .evidence-layout
  > .evidence-rows {
  grid-column: 2 / 3 !important;
  grid-column-start: 2 !important;
  grid-column-end: 3 !important;
}

@media (max-width: 900px) {
  html[data-page="bioten-pha-waterborne-varnish"]
    body.bp7140-page
    #evidence
    .evidence-layout
    > :is(.section-head, .evidence-rows):not(#dbcWidthForceA):not(#dbcWidthForceB):not(#dbcWidthForceC) {
    grid-column: 1 / 2 !important;
    grid-column-start: 1 !important;
    grid-column-end: 2 !important;
  }
}

html[lang="en"] .product-nav__identity span {
  display: none;
}

html[lang="en"] #overview #hero-title,
html[lang="en"] #overview #hero-title strong {
  overflow-wrap: normal !important;
  word-break: normal !important;
  hyphens: none !important;
}

html[lang="en"] #overview #hero-title {
  font-size: clamp(46px, 4vw, 60px) !important;
  letter-spacing: -0.04em !important;
}

html[data-page="bioten-pha-waterborne-varnish"]
  body.bp7140-page
  .section-head.section-head--light
  h2 {
  color: var(--white) !important;
}

html[data-page="bioten-pha-waterborne-varnish"]
  body.bp7140-page
  .section-head
  > p:last-child {
  width: auto !important;
  max-width: 58em !important;
  margin: 20px 0 0 !important;
  color: var(--ink-soft) !important;
  font-size: 16px !important;
  font-weight: 400 !important;
  line-height: 1.85 !important;
}

html[data-page="bioten-pha-waterborne-varnish"]
  body.bp7140-page
  .section-head.section-head--light
  > p:last-child {
  color: rgba(255, 255, 255, 0.68) !important;
}

@media (max-width: 640px) {
  html[data-page="bioten-pha-waterborne-varnish"]
    body.bp7140-page
    .hero
    h1 {
    font-size: clamp(38px, 11.5vw, 50px) !important;
  }

  #overview #hero-title {
    font-size: clamp(38px, 11.5vw, 50px) !important;
  }

  html[data-page="bioten-pha-waterborne-varnish"]
    body.bp7140-page
    .section-head {
    margin-bottom: 34px !important;
  }
}