@import url("https://fonts.googleapis.com/css2?family=Manrope:wght@500;700;800&family=Source+Serif+4:opsz,wght@8..60,600;8..60,700&display=swap");

:root {
  --ink: #071f36;
  --ink-soft: #385a78;
  --paper: #f6faff;
  --mist: #dcecff;
  --line: rgba(7, 31, 54, 0.14);
  --navy: #072844;
  --blue: #126fb2;
  --blue-deep: #064c82;
  --sky: #d9ecff;
  --ice: #eff7ff;
  --white: #ffffff;
  --shadow: 0 24px 80px rgba(7, 31, 54, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(18, 111, 178, 0.12), transparent 32rem),
    radial-gradient(circle at 90% 10%, rgba(217, 236, 255, 0.86), transparent 24rem),
    var(--paper);
  font-family: "Manrope", "Avenir Next", sans-serif;
}

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  padding: 16px clamp(18px, 5vw, 64px);
  color: var(--white);
  transition: background 220ms ease, color 220ms ease, box-shadow 220ms ease;
}

.site-header.is-scrolled,
body:not(.home) .site-header {
  color: var(--ink);
  background: rgba(244, 247, 243, 0.9);
  box-shadow: 0 8px 30px rgba(16, 37, 37, 0.08);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
}

.brand-logo {
  display: block;
  width: clamp(156px, 13vw, 196px);
  height: auto;
  filter:
    drop-shadow(0 1px 0 rgba(255, 255, 255, 0.7))
    drop-shadow(0 8px 18px rgba(7, 31, 54, 0.24));
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.5vw, 32px);
  font-size: 14px;
  font-weight: 700;
}

.site-nav a {
  position: relative;
  padding: 8px 0;
}

.site-nav a::after {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  content: "";
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.language-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 54px;
  min-height: 38px;
  padding: 8px 13px;
  color: inherit;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid currentColor;
  border-radius: 999px;
  font: inherit;
  font-size: 13px;
  font-weight: 900;
  cursor: pointer;
}

.language-toggle:hover,
.language-toggle:focus-visible {
  color: var(--white);
  background: var(--blue);
  outline: none;
}

.nav-toggle {
  display: none;
  border: 1px solid currentColor;
  color: inherit;
  background: transparent;
  padding: 10px 14px;
  border-radius: 999px;
  font: inherit;
  font-weight: 800;
}

.hero {
  position: relative;
  min-height: 92vh;
  overflow: hidden;
  display: grid;
  align-items: end;
  padding: 128px clamp(18px, 5vw, 64px) 58px;
  color: var(--white);
}

.hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(5, 27, 29, 0.88), rgba(5, 27, 29, 0.34) 48%, rgba(5, 27, 29, 0.08)),
    linear-gradient(0deg, rgba(5, 27, 29, 0.56), transparent 40%);
}

.hero-content {
  position: relative;
  width: min(880px, 100%);
  animation: liftIn 700ms ease both;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--sky);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

.eyebrow.dark {
  color: var(--blue);
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2 {
  margin: 0;
  font-family: "Source Serif 4", Georgia, serif;
  letter-spacing: 0;
}

h1 {
  max-width: 920px;
  font-size: clamp(56px, 9vw, 124px);
  line-height: 0.86;
}

.page-hero h1 {
  font-size: clamp(42px, 6vw, 84px);
  line-height: 0.98;
}

h2 {
  font-size: clamp(34px, 4vw, 62px);
  line-height: 1;
}

.hero-copy {
  max-width: 660px;
  margin: 28px 0 0;
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.45;
  color: rgba(255, 255, 255, 0.88);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 800;
}

.button.primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--blue), var(--blue-deep));
  box-shadow: 0 16px 32px rgba(18, 111, 178, 0.28);
}

.button.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.62);
}

.section p,
.fact-list span,
.project-list span {
  color: var(--ink-soft);
  line-height: 1.7;
}

.section {
  padding: clamp(68px, 9vw, 124px) clamp(18px, 5vw, 64px);
}

.business-tracks {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(239, 247, 255, 0.86) 58%, rgba(255, 255, 255, 0.98)),
    linear-gradient(115deg, rgba(18, 111, 178, 0.1), transparent 34%, rgba(217, 236, 255, 0.42) 66%, transparent),
    repeating-linear-gradient(90deg, rgba(18, 111, 178, 0.055) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg, rgba(18, 111, 178, 0.04) 0 1px, transparent 1px 96px),
    var(--white);
}

.business-tracks::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  background:
    linear-gradient(135deg, transparent 0 42%, rgba(18, 111, 178, 0.08) 42% 42.25%, transparent 42.25%),
    linear-gradient(135deg, transparent 0 58%, rgba(7, 31, 54, 0.055) 58% 58.2%, transparent 58.2%);
  opacity: 0.9;
}

.business-tracks > * {
  position: relative;
}

.tracks-intro {
  max-width: 980px;
  margin: 0 auto clamp(40px, 6vw, 76px);
  text-align: center;
}

.tracks-intro h2 {
  color: var(--navy);
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(34px, 5vw, 78px);
  line-height: 1.14;
}

.tracks-intro p:last-child {
  max-width: 760px;
  margin: 28px auto 0;
  font-size: 18px;
}

.track-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(16px, 2vw, 28px);
}

.track-card {
  position: relative;
  min-height: 440px;
  overflow: hidden;
  color: var(--white);
  background: var(--navy);
  border-radius: 0;
  isolation: isolate;
  cursor: pointer;
}

.track-card img {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms ease;
}

.track-card::after {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  background:
    linear-gradient(180deg, rgba(7, 31, 54, 0.04), rgba(7, 31, 54, 0.84)),
    linear-gradient(90deg, rgba(7, 31, 54, 0.56), rgba(7, 31, 54, 0.12));
}

.track-card:hover img {
  transform: scale(1.045);
}

.track-card:hover h3,
.track-card:focus-visible h3 {
  text-decoration: underline;
  text-underline-offset: 6px;
}

.track-card div {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 28px;
}

.track-card span {
  display: inline-flex;
  margin-bottom: 14px;
  color: var(--sky);
  font-weight: 800;
}

.track-card h3 {
  margin: 0 0 12px;
  font-size: clamp(25px, 2vw, 34px);
}

.track-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: 15px;
}

.intro-grid,
.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.85fr);
  gap: clamp(32px, 7vw, 100px);
  align-items: start;
}

.intro-grid {
  position: relative;
  overflow: hidden;
  padding-bottom: clamp(42px, 6vw, 78px);
  background:
    radial-gradient(circle at 12% 10%, rgba(18, 111, 178, 0.11), transparent 32rem),
    radial-gradient(circle at 82% 20%, rgba(217, 236, 255, 0.95), transparent 28rem),
    linear-gradient(180deg, rgba(239, 247, 255, 0.92), rgba(246, 250, 255, 0.96));
}

.intro-grid::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  background:
    linear-gradient(135deg, transparent 0 38%, rgba(18, 111, 178, 0.075) 38% 38.2%, transparent 38.2%),
    linear-gradient(135deg, transparent 0 62%, rgba(7, 31, 54, 0.045) 62% 62.18%, transparent 62.18%),
    repeating-linear-gradient(90deg, rgba(18, 111, 178, 0.035) 0 1px, transparent 1px 120px);
}

.intro-grid > * {
  position: relative;
}

.intro-grid > p {
  margin: 36px 0 0;
  font-size: 19px;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(18px, 2vw, 28px);
  margin-top: calc(-1 * clamp(24px, 3vw, 46px));
  padding-top: 0;
  background:
    radial-gradient(circle at 50% 0%, rgba(18, 111, 178, 0.08), transparent 34rem),
    linear-gradient(180deg, rgba(246, 250, 255, 0.96), rgba(217, 236, 255, 0.38) 72%, rgba(246, 250, 255, 0.96));
}

.capability-card {
  overflow: hidden;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(7, 31, 54, 0.08);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.capability-card:hover,
.capability-card:focus-visible {
  transform: translateY(-4px);
  box-shadow: 0 28px 76px rgba(7, 31, 54, 0.14);
}

.capability-card:hover h3,
.capability-card:focus-visible h3 {
  color: var(--blue);
}

.capability-card img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.capability-card div {
  min-height: 250px;
  padding: 30px;
}

.capability-card span {
  display: inline-flex;
  margin-bottom: 36px;
  color: var(--blue);
  font-weight: 800;
}

.capability-card h3 {
  margin: 0 0 18px;
  color: var(--navy);
  font-size: clamp(24px, 2vw, 32px);
  line-height: 1.12;
}

.capability-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 16px;
}

.solution-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding-top: 0;
  gap: 1px;
}

.solution-strip a,
.cards article,
.tech-grid article,
.application-grid article,
.contact-card,
.contact-form {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 16px 50px rgba(16, 37, 37, 0.05);
}

.solution-strip a {
  min-height: 300px;
  padding: 34px;
  transition: transform 180ms ease, background 180ms ease;
}

.solution-strip a:hover {
  transform: translateY(-4px);
  background: var(--white);
}

.solution-strip span,
.cards span,
.timeline span {
  color: var(--blue);
  font-weight: 800;
}

.solution-strip strong {
  display: block;
  margin-top: 44px;
  font-size: 25px;
}

.feature-panel {
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(7, 31, 54, 0.98), rgba(6, 76, 130, 0.92)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.08) 0 1px, transparent 1px 72px);
}

.feature-panel .eyebrow {
  color: var(--sky);
}

.application-grid,
.cards,
.tech-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 44px;
}

.application-grid article,
.cards article,
.tech-grid article {
  padding: 28px;
}

.application-grid article {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.92);
}

.application-grid h3,
.cards h2,
.tech-grid h2 {
  margin: 0 0 14px;
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: 21px;
}

.page-hero {
  padding: 150px clamp(18px, 5vw, 64px) 72px;
  color: var(--white);
  background:
    linear-gradient(115deg, rgba(7, 31, 54, 0.95), rgba(18, 111, 178, 0.78)),
    url("/assets/images/hydrogen-hero-blue.png") center / cover;
}

.page-hero .eyebrow {
  color: var(--sky);
}

.about-hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  padding: 150px clamp(18px, 5vw, 64px) 54px;
  color: var(--white);
  background: var(--navy);
}

.about-hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-hero::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(180deg, rgba(7, 31, 54, 0.1), rgba(7, 31, 54, 0.76)),
    linear-gradient(90deg, rgba(7, 31, 54, 0.68), rgba(7, 31, 54, 0.24) 58%, rgba(7, 31, 54, 0.1));
}

.about-hero-content {
  position: relative;
  z-index: 1;
  width: min(1280px, 100%);
}

.about-hero-content h1 {
  margin-bottom: clamp(42px, 7vw, 86px);
  padding-bottom: clamp(24px, 3vw, 40px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.74);
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(78px, 13vw, 166px);
  line-height: 0.86;
}

.about-hero-content p:last-child {
  max-width: 980px;
  margin: 0;
  color: rgba(255, 255, 255, 0.92);
  font-size: clamp(22px, 2.4vw, 34px);
  line-height: 1.28;
}

.about-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.82fr);
  gap: clamp(42px, 8vw, 128px);
  min-height: 620px;
  align-items: center;
  background:
    radial-gradient(circle at 6% 100%, rgba(18, 111, 178, 0.08), transparent 34rem),
    linear-gradient(180deg, rgba(246, 250, 255, 0.97), rgba(255, 255, 255, 0.98));
}

.about-intro h2 {
  max-width: 850px;
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(46px, 5.8vw, 86px);
  line-height: 1.08;
}

.about-intro-copy {
  display: grid;
  gap: 22px;
}

.about-intro-copy p {
  margin: 0;
  color: var(--navy);
  font-size: clamp(18px, 1.45vw, 23px);
  line-height: 1.58;
}

.about-intro-copy .button {
  width: fit-content;
  margin-top: 16px;
  border-radius: 0;
}

.about-sticky-story {
  display: grid;
  grid-template-columns: minmax(320px, 0.95fr) minmax(360px, 1fr);
  gap: clamp(44px, 7vw, 112px);
  padding: clamp(64px, 8vw, 116px) clamp(18px, 5vw, 64px);
  color: var(--white);
  background:
    radial-gradient(circle at 76% 16%, rgba(18, 111, 178, 0.24), transparent 28rem),
    linear-gradient(180deg, #072844, #061f36);
}

.about-sticky-media {
  position: sticky;
  top: 120px;
  align-self: start;
}

.about-sticky-media img {
  width: 100%;
  aspect-ratio: 1.5 / 1;
  object-fit: cover;
}

.about-story-panels {
  display: grid;
  gap: clamp(80px, 12vw, 160px);
}

.about-story-panel {
  min-height: 76vh;
  display: grid;
  align-content: center;
  border-top: 1px dashed rgba(217, 236, 255, 0.44);
}

.about-story-panel span {
  color: #78e681;
  font-size: clamp(48px, 6vw, 92px);
  font-weight: 800;
}

.about-story-panel h2 {
  margin: 30px 0 28px;
  color: #8fc8ff;
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(40px, 4.5vw, 68px);
}

.about-story-panel p,
.about-story-panel li {
  max-width: 900px;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(18px, 1.4vw, 23px);
  line-height: 1.62;
}

.about-story-panel ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding-left: 24px;
}

.about-story-panel .button {
  width: fit-content;
  margin-top: 22px;
}

.about-partnerships {
  overflow: hidden;
  text-align: center;
  background:
    radial-gradient(circle at 12% 0%, rgba(0, 127, 183, 0.2), transparent 28%),
    linear-gradient(135deg, #e5f5ff 0%, #cfeaff 46%, #b7dbef 100%);
}

.about-partnerships h2 {
  margin: 0 auto clamp(34px, 5vw, 64px);
  max-width: 880px;
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(38px, 4.8vw, 68px);
}

.partner-logo-scroller {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  overflow: hidden;
}

.partner-logo-track {
  display: flex;
  gap: clamp(12px, 1.5vw, 18px);
  width: max-content;
  animation: partner-logo-scroll 34s linear infinite;
}

.partner-logo-set {
  display: flex;
  flex: none;
  gap: clamp(12px, 1.5vw, 18px);
}

.partner-logo-scroller:hover .partner-logo-track {
  animation-play-state: paused;
}

.partner-logo-card {
  flex: 0 0 clamp(190px, 18vw, 240px);
  display: grid;
  place-items: center;
  min-height: clamp(112px, 10vw, 132px);
  margin: 0;
  padding: clamp(14px, 1.8vw, 22px);
  background: transparent;
  border: 0;
  box-shadow: none;
}

.partner-logo-card img {
  display: block;
  width: 100%;
  max-width: 170px;
  max-height: 72px;
  object-fit: contain;
}

@keyframes partner-logo-scroll {
  to {
    transform: translateX(calc(-50% - clamp(6px, 0.75vw, 9px)));
  }
}

@media (prefers-reduced-motion: reduce) {
  .partner-logo-scroller {
    overflow-x: auto;
  }

  .partner-logo-track {
    animation: none;
  }
}

.about-recognition {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1fr);
  gap: clamp(42px, 8vw, 120px);
  align-items: start;
  background: rgba(246, 250, 255, 0.98);
}

.about-recognition h2 {
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(44px, 5.6vw, 84px);
  line-height: 1.08;
}

.recognition-list {
  display: grid;
  gap: 0;
}

.recognition-list article {
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.recognition-list h3 {
  margin: 0 0 12px;
  color: var(--navy);
  font-size: clamp(24px, 2vw, 32px);
}

.recognition-list p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 18px;
}

.about-safety {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(360px, 0.86fr);
  min-height: 760px;
  background: var(--white);
}

.about-safety > div {
  display: grid;
  align-content: center;
  padding: clamp(58px, 7vw, 100px) clamp(18px, 5vw, 64px);
}

.about-safety h2 {
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(44px, 5vw, 78px);
  line-height: 1.08;
}

.about-safety .lead {
  max-width: 760px;
  margin-top: 54px;
  color: var(--navy);
  font-size: clamp(24px, 2vw, 32px);
  line-height: 1.36;
}

.about-safety p:last-child {
  max-width: 780px;
  color: var(--navy);
  font-size: clamp(18px, 1.5vw, 23px);
  line-height: 1.58;
}

.about-safety img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-leadership {
  padding: clamp(68px, 8vw, 120px) clamp(18px, 5vw, 64px);
  color: var(--white);
  background:
    radial-gradient(circle at 80% 0%, rgba(18, 111, 178, 0.28), transparent 32rem),
    linear-gradient(180deg, #064c82, #072844);
}

.about-leadership > p {
  margin: 0 0 22px;
  color: #8fc8ff;
  font-size: 20px;
}

.about-leadership h2 {
  margin-bottom: clamp(56px, 8vw, 110px);
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(44px, 5vw, 78px);
}

.leader-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(22px, 3vw, 42px);
}

.leader-grid article {
  display: grid;
  align-content: start;
  min-height: 0;
}

.leader-portrait {
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  overflow: hidden;
  color: var(--white);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(217, 236, 255, 0.22);
}

.leader-initials {
  font-size: clamp(38px, 5vw, 72px);
  font-weight: 800;
}

.leader-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 32%;
}

.leader-grid h3 {
  margin: 24px 0 10px;
  font-size: clamp(25px, 2.2vw, 36px);
}

.leader-grid p {
  margin: 0;
  color: #78e681;
  line-height: 1.45;
}

.about-owner {
  scroll-margin-top: 96px;
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(520px, 0.94fr);
  overflow: hidden;
  background: #f4f8fb;
}

.foundation-visual {
  position: relative;
  height: clamp(680px, 50vw, 760px);
  overflow: hidden;
  background: var(--navy);
}

.foundation-visual > img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 48% center;
}

.foundation-visual::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(180deg, transparent 52%, rgba(7, 31, 54, 0.72));
}

.foundation-visual-note {
  position: absolute;
  z-index: 1;
  left: clamp(28px, 4vw, 64px);
  bottom: clamp(28px, 4vw, 56px);
  display: grid;
  color: var(--white);
}

.foundation-visual-note span {
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.foundation-visual-note strong {
  font-size: clamp(54px, 6vw, 86px);
  line-height: 1;
}

.about-owner > div {
  width: auto;
  margin: 0;
}

.foundation-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(48px, 4.2vw, 64px) clamp(36px, 5vw, 80px);
}

.about-owner h2 {
  max-width: 720px;
  margin: 14px 0 20px;
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(38px, 3.65vw, 58px);
  line-height: 1.08;
}

.about-owner .foundation-summary {
  max-width: 720px;
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(17px, 1.25vw, 20px);
  line-height: 1.55;
}

.foundation-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin: 28px 0 24px;
  border-top: 1px solid rgba(7, 31, 54, 0.16);
  border-bottom: 1px solid rgba(7, 31, 54, 0.16);
}

.foundation-stats span {
  display: grid;
  align-content: start;
  gap: 8px;
  min-width: 0;
  padding: 18px 14px 20px;
  color: var(--ink-soft);
  border-right: 1px solid rgba(7, 31, 54, 0.12);
}

.foundation-stats span:first-child {
  padding-left: 0;
}

.foundation-stats span:last-child {
  padding-right: 0;
  border-right: 0;
}

.foundation-stats strong {
  color: var(--navy);
  font-size: clamp(32px, 2.8vw, 46px);
  line-height: 1;
}

.foundation-stats small {
  max-width: 126px;
  font-size: 12px;
  line-height: 1.35;
}

.foundation-credentials {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-bottom: 26px;
}

.foundation-credentials span {
  position: relative;
  padding-left: 16px;
  color: var(--navy);
  font-size: 13px;
  font-weight: 700;
}

.foundation-credentials span::before {
  position: absolute;
  top: 0.48em;
  left: 0;
  width: 6px;
  height: 6px;
  content: "";
  background: var(--blue);
}

.foundation-button {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  width: fit-content;
  border-radius: 0;
}

.foundation-button span {
  font-size: 18px;
}

.profile-hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  padding: 150px clamp(18px, 5vw, 64px) 64px;
  color: var(--white);
  background: var(--navy);
}

.profile-hero > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-hero::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(180deg, rgba(7, 31, 54, 0.12), rgba(7, 31, 54, 0.78)),
    linear-gradient(90deg, rgba(7, 31, 54, 0.76), rgba(7, 31, 54, 0.28) 62%, rgba(7, 31, 54, 0.1));
}

.profile-hero-content {
  position: relative;
  z-index: 1;
  width: min(1180px, 100%);
}

.profile-hero-content h1 {
  max-width: 1040px;
  margin-bottom: clamp(32px, 5vw, 64px);
  padding-bottom: clamp(24px, 3vw, 38px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.68);
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(48px, 7vw, 104px);
  font-weight: 800;
  line-height: 1;
}

.profile-hero-content p:last-child {
  max-width: 960px;
  margin: 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(20px, 2vw, 30px);
  line-height: 1.36;
}

.profile-overview {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 0.86fr);
  gap: clamp(40px, 7vw, 112px);
  align-items: center;
  background:
    radial-gradient(circle at 8% 8%, rgba(18, 111, 178, 0.1), transparent 28rem),
    linear-gradient(180deg, rgba(246, 250, 255, 0.97), rgba(255, 255, 255, 0.98));
}

.profile-overview h2,
.certificate-heading h2,
.compliance-section h2,
.intellectual-property h2 {
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(38px, 4.7vw, 72px);
  line-height: 1.1;
}

.profile-overview-copy {
  display: grid;
  gap: 22px;
}

.profile-overview-copy p,
.compliance-section p,
.intellectual-property p {
  margin: 0;
  color: var(--navy);
  font-size: clamp(18px, 1.45vw, 23px);
  line-height: 1.62;
}

.profile-proof-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  padding-top: 0;
  padding-bottom: 0;
  background: var(--navy);
}

.profile-proof-strip article {
  min-height: 250px;
  display: grid;
  align-content: center;
  padding: clamp(28px, 4vw, 54px);
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(18, 111, 178, 0.38), transparent),
    rgba(255, 255, 255, 0.05);
}

.profile-proof-strip strong {
  color: #8fc8ff;
  font-size: clamp(54px, 6vw, 96px);
  line-height: 1;
}

.profile-proof-strip span {
  max-width: 260px;
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(17px, 1.45vw, 22px);
  line-height: 1.36;
}

.certificate-showcase {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(239, 247, 255, 0.92)),
    repeating-linear-gradient(90deg, rgba(18, 111, 178, 0.04) 0 1px, transparent 1px 98px);
}

.certificate-heading {
  max-width: 1040px;
  margin-bottom: clamp(38px, 5vw, 72px);
}

.certificate-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: clamp(16px, 2vw, 26px);
}

.certificate-card {
  grid-column: span 2;
  display: grid;
  grid-template-rows: minmax(320px, auto) 1fr;
  margin: 0;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 60px rgba(7, 31, 54, 0.08);
}

.certificate-card.wide {
  grid-column: span 3;
}

.certificate-card img {
  width: 100%;
  height: 100%;
  max-height: 420px;
  object-fit: contain;
  padding: clamp(14px, 2vw, 24px);
  background: var(--white);
}

.certificate-card figcaption {
  display: grid;
  gap: 10px;
  padding: 24px;
  border-top: 1px solid var(--line);
}

.certificate-card strong {
  color: var(--navy);
  font-size: 20px;
}

.certificate-card span {
  color: var(--ink-soft);
  line-height: 1.55;
}

.compliance-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.42fr) minmax(0, 1fr);
  gap: clamp(34px, 6vw, 88px);
  align-items: center;
  background:
    radial-gradient(circle at 88% 10%, rgba(18, 111, 178, 0.14), transparent 26rem),
    var(--white);
}

.compliance-copy {
  max-width: 510px;
}

.compliance-section h2 {
  max-width: 480px;
  margin-bottom: 24px;
  font-size: clamp(42px, 4vw, 58px);
  line-height: 0.98;
}

.compliance-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(12px, 1.5vw, 20px);
}

.compliance-grid img {
  width: 100%;
  aspect-ratio: 0.71 / 1;
  object-fit: contain;
  padding: 10px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 16px 42px rgba(7, 31, 54, 0.08);
}

.intellectual-property {
  background:
    linear-gradient(135deg, rgba(239, 247, 255, 0.96), rgba(255, 255, 255, 0.98)),
    radial-gradient(circle at 10% 100%, rgba(18, 111, 178, 0.12), transparent 28rem);
}

.ip-copy {
  display: grid;
  grid-template-columns: minmax(360px, 0.88fr) minmax(0, 1.12fr);
  gap: clamp(36px, 7vw, 120px);
  align-items: end;
  margin-bottom: clamp(46px, 6vw, 82px);
  padding-bottom: clamp(32px, 4vw, 50px);
  border-bottom: 1px solid rgba(7, 31, 54, 0.16);
}

.ip-heading h2 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(42px, 4vw, 64px);
  line-height: 1.02;
}

.ip-summary {
  display: grid;
  gap: 18px;
  max-width: 760px;
  padding-bottom: 4px;
}

.ip-portfolio {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 28px);
}

.ip-stack {
  grid-column: span 4;
  min-width: 0;
  min-height: 420px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0 22px 22px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(7, 31, 54, 0.12);
  border-radius: 6px;
  box-shadow: 0 22px 64px rgba(7, 31, 54, 0.08);
}

.ip-stack--utility {
  grid-column: span 6;
  min-height: 520px;
}

.ip-stack--invention {
  grid-column: span 6;
  min-height: 520px;
}

.ip-stack-cards {
  position: relative;
  flex: 1;
  min-height: 310px;
  margin: 0 -22px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(234, 243, 250, 0.72), rgba(249, 252, 254, 0.96)),
    repeating-linear-gradient(90deg, rgba(18, 111, 178, 0.04) 0 1px, transparent 1px 72px);
}

.ip-stack--utility .ip-stack-cards,
.ip-stack--invention .ip-stack-cards {
  min-height: 410px;
}

.ip-stack-cards img {
  display: none;
  position: absolute;
  left: 50%;
  bottom: 24px;
  width: auto;
  height: calc(100% - 52px);
  max-width: none;
  max-height: none;
  background: var(--white);
  border: 1px solid rgba(7, 31, 54, 0.16);
  box-shadow: 0 18px 36px rgba(7, 31, 54, 0.2);
  transform-origin: 50% 100%;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.ip-stack-cards img:nth-last-child(-n + 5) {
  display: block;
}

.ip-stack:not(.ip-stack--documents) .ip-stack-cards::before,
.ip-stack:not(.ip-stack--documents) .ip-stack-cards::after {
  position: absolute;
  left: 50%;
  bottom: 27px;
  z-index: 1;
  height: calc(100% - 64px);
  aspect-ratio: 0.72 / 1;
  content: "";
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(7, 31, 54, 0.14);
  box-shadow: 0 12px 28px rgba(7, 31, 54, 0.12);
  transform-origin: 50% 100%;
}

.ip-stack:not(.ip-stack--documents) .ip-stack-cards::before {
  transform: translateX(-58%) rotate(-5deg);
}

.ip-stack:not(.ip-stack--documents) .ip-stack-cards::after {
  z-index: 2;
  transform: translateX(-42%) rotate(5deg);
}

.ip-stack:not(.ip-stack--documents) .ip-stack-cards img {
  display: none;
}

.ip-stack:not(.ip-stack--documents) .ip-stack-cards img:first-child {
  display: block;
  left: 50%;
  bottom: 24px;
  z-index: 3;
  height: calc(100% - 52px);
  filter: contrast(1.04) saturate(0.98);
  transform: translateX(-50%);
}

.ip-stack-cards img:nth-last-child(5) {
  z-index: 1;
  transform: translateX(-78%) rotate(-7deg);
}

.ip-stack-cards img:nth-last-child(4) {
  z-index: 2;
  transform: translateX(-64%) rotate(-3.5deg);
}

.ip-stack-cards img:nth-last-child(3) {
  z-index: 3;
  transform: translateX(-50%);
}

.ip-stack-cards img:nth-last-child(2) {
  z-index: 4;
  transform: translateX(-36%) rotate(3.5deg);
}

.ip-stack-cards img:nth-last-child(1) {
  z-index: 5;
  transform: translateX(-22%) rotate(7deg);
}

.ip-stack:hover .ip-stack-cards img:nth-last-child(3),
.ip-stack:hover .ip-stack-cards img:last-child {
  box-shadow: 0 24px 46px rgba(7, 31, 54, 0.24);
}

.ip-stack:hover .ip-stack-cards img:nth-last-child(3) {
  transform: translateX(-50%) translateY(-8px);
}

.ip-stack:not(.ip-stack--documents):hover .ip-stack-cards img:first-child {
  transform: translateX(-50%) translateY(-7px);
}

.ip-stack--documents .ip-stack-cards img {
  display: block;
  max-width: none;
  max-height: none;
}

.ip-stack--documents .ip-stack-cards img {
  width: auto;
}

.ip-stack--documents .ip-stack-cards img:first-child {
  left: 38%;
  transform: translateX(-50%) rotate(-4deg);
}

.ip-stack--documents .ip-stack-cards img:last-child {
  left: 62%;
  transform: translateX(-50%) rotate(4deg);
}

.ip-research-feature {
  grid-column: 1 / -1;
  min-height: 500px;
  display: grid;
  grid-template-columns: minmax(300px, 0.74fr) minmax(0, 1.26fr);
  overflow: hidden;
  color: var(--white);
  background: var(--navy);
  border-radius: 6px;
  box-shadow: 0 28px 72px rgba(7, 31, 54, 0.16);
}

.ip-research-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(36px, 5vw, 72px);
  background:
    linear-gradient(145deg, rgba(18, 111, 178, 0.3), transparent 62%),
    var(--navy);
}

.intellectual-property .ip-research-index {
  margin: 0 0 26px;
  color: #8fc8ff;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.ip-research-copy h3 {
  max-width: 520px;
  margin: 0;
  color: var(--white);
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(38px, 4vw, 62px);
  line-height: 1.02;
  overflow-wrap: normal;
  word-break: normal;
  hyphens: none;
  text-wrap: balance;
}

.ip-research-copy > p:last-of-type {
  max-width: 540px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(17px, 1.35vw, 21px);
  line-height: 1.58;
}

.ip-research-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 38px;
}

.ip-research-tags span {
  padding: 9px 13px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 12px;
  font-weight: 700;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 4px;
}

.ip-research-documents {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 44px);
  align-items: center;
  padding: clamp(34px, 5vw, 72px);
  background:
    linear-gradient(180deg, rgba(233, 242, 249, 0.98), rgba(248, 251, 253, 0.98)),
    repeating-linear-gradient(90deg, rgba(18, 111, 178, 0.05) 0 1px, transparent 1px 76px);
}

.ip-research-documents figure {
  min-width: 0;
  margin: 0;
}

.ip-research-documents img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 310px;
  object-fit: contain;
  background: var(--white);
  border: 1px solid rgba(7, 31, 54, 0.14);
  box-shadow: 0 18px 40px rgba(7, 31, 54, 0.15);
}

.ip-research-documents figcaption {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 18px;
  color: var(--navy);
  font-size: 13px;
  font-weight: 800;
}

.ip-research-documents figcaption span {
  color: var(--blue);
  font-size: 12px;
}

.ip-stack-label {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  min-height: 90px;
  padding-top: 20px;
  border-top: 1px solid rgba(7, 31, 54, 0.14);
}

.ip-stack-label strong {
  color: var(--blue);
  font-size: clamp(38px, 3.2vw, 54px);
  line-height: 0.9;
}

.ip-stack-label span {
  max-width: 210px;
  color: var(--navy);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.35;
  text-align: right;
}

.ip-stack--documents .ip-stack-label strong {
  max-width: 190px;
  font-size: 22px;
  line-height: 1.08;
}

.about-final-cta {
  display: grid;
  place-items: center;
  gap: 24px;
  min-height: 400px;
  padding: clamp(68px, 9vw, 120px) clamp(18px, 5vw, 64px);
  color: var(--white);
  text-align: center;
  background:
    radial-gradient(circle at 72% 10%, rgba(18, 111, 178, 0.38), transparent 34rem),
    linear-gradient(135deg, var(--blue-deep), var(--navy));
}

.about-final-cta h2 {
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(40px, 5.8vw, 82px);
  line-height: 1.08;
}

.about-final-cta p {
  max-width: 860px;
  margin: 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(18px, 1.7vw, 24px);
}

.home-final-cta {
  scroll-margin-top: 118px;
}

.solutions-hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  padding: 150px clamp(18px, 5vw, 64px) 54px;
  color: var(--white);
  background: var(--navy);
}

.solutions-hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.solutions-hero::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(180deg, rgba(7, 31, 54, 0.12), rgba(7, 31, 54, 0.72)),
    linear-gradient(90deg, rgba(7, 31, 54, 0.68), rgba(7, 31, 54, 0.22) 58%, rgba(7, 31, 54, 0.08));
}

.solutions-hero-content {
  position: relative;
  z-index: 1;
  width: min(1280px, 100%);
}

.solutions-hero-content h1 {
  margin-bottom: clamp(42px, 7vw, 86px);
  padding-bottom: clamp(24px, 3vw, 40px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.74);
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(70px, 12vw, 156px);
  line-height: 0.86;
}

html[lang="zh-CN"] .solutions-hero-content h1 {
  white-space: nowrap;
  font-size: clamp(46px, 8.8vw, 134px);
  line-height: 0.94;
}

html[lang="zh-CN"] h1,
html[lang="zh-CN"] h2,
html[lang="zh-CN"] h3,
html[lang="zh-CN"] .button,
html[lang="zh-CN"] .solutions-menu button {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Heiti SC", sans-serif;
  letter-spacing: 0;
  line-break: strict;
  overflow-wrap: normal;
  text-wrap: balance;
  word-break: normal;
}

html[lang="zh-CN"] .about-hero-content h1,
html[lang="zh-CN"] .solutions-hero-content h1,
html[lang="zh-CN"] .news-hero-content h1,
html[lang="zh-CN"] .projects-overview h1,
html[lang="zh-CN"] .technology-products-hero h1,
html[lang="zh-CN"] .page-hero h1 {
  max-width: min(1120px, 100%);
  font-size: clamp(44px, 5.8vw, 82px);
  font-weight: 800;
  line-height: 1.08;
  white-space: normal;
}

html[lang="zh-CN"] .case-hero h1,
html[lang="zh-CN"] .project-case-summary h1,
html[lang="zh-CN"] .news-article-hero h1 {
  max-width: 860px;
  font-size: clamp(38px, 4.6vw, 72px);
  font-weight: 800;
  line-height: 1.12;
}

html[lang="zh-CN"] .about-intro h2,
html[lang="zh-CN"] .about-partnerships h2,
html[lang="zh-CN"] .about-recognition h2,
html[lang="zh-CN"] .about-safety h2,
html[lang="zh-CN"] .about-leadership h2,
html[lang="zh-CN"] .about-owner h2,
html[lang="zh-CN"] .about-final-cta h2,
html[lang="zh-CN"] .profile-hero-content h1,
html[lang="zh-CN"] .profile-overview h2,
html[lang="zh-CN"] .certificate-heading h2,
html[lang="zh-CN"] .compliance-section h2,
html[lang="zh-CN"] .intellectual-property h2,
html[lang="zh-CN"] .solutions-intro h2,
html[lang="zh-CN"] .solutions-showcase h2,
html[lang="zh-CN"] .commercial-heading h2,
html[lang="zh-CN"] .solutions-final-cta h2,
html[lang="zh-CN"] .product-family-heading h2,
html[lang="zh-CN"] .projects-browser-heading h2,
html[lang="zh-CN"] .projects-contact-cta h2,
html[lang="zh-CN"] .product-applications h2,
html[lang="zh-CN"] .product-specifications h2,
html[lang="zh-CN"] .case-layout h2,
html[lang="zh-CN"] .cta-panel h2,
html[lang="zh-CN"] .project-case-story h2,
html[lang="zh-CN"] .project-case-gallery-heading h2,
html[lang="zh-CN"] .project-case-cta h2,
html[lang="zh-CN"] .product-detail-cta h2,
html[lang="zh-CN"] .footer-cta-brand h2 {
  max-width: 980px;
  font-size: clamp(34px, 4.4vw, 64px);
  font-weight: 800;
  line-height: 1.14;
}

html[lang="zh-CN"] .product-card-copy h3,
html[lang="zh-CN"] .project-card h3,
html[lang="zh-CN"] .leader-grid h3 {
  font-size: clamp(24px, 2vw, 32px);
  font-weight: 800;
  line-height: 1.18;
}

html[lang="zh-CN"] .page-hero h1 {
  max-width: 1120px;
  font-size: clamp(42px, 5.35vw, 78px);
  line-height: 1.08;
}

html[lang="zh-CN"] .solutions-intro h2 {
  max-width: 940px;
  font-size: clamp(42px, 4.8vw, 74px);
  line-height: 1.12;
}

html[lang="zh-CN"] .solutions-menu button {
  white-space: normal;
  font-size: clamp(24px, 1.75vw, 31px);
  line-height: 1.18;
}

html[lang="zh-CN"] .project-card h3 {
  font-size: clamp(24px, 1.85vw, 31px);
  line-height: 1.18;
}

html[lang="zh-CN"] .project-case-summary h1 {
  max-width: 760px;
  font-size: clamp(38px, 4.1vw, 68px);
  line-height: 1.12;
}

html[lang="zh-CN"] .project-case-story h2,
html[lang="zh-CN"] .project-case-gallery-heading h2 {
  font-size: clamp(34px, 3.65vw, 60px);
  line-height: 1.16;
}

html[lang="zh-CN"] .project-case-cta h2,
html[lang="zh-CN"] .product-detail-cta h2 {
  font-size: clamp(32px, 3.65vw, 58px);
  line-height: 1.14;
}

html[lang="zh-CN"] .product-applications h2,
html[lang="zh-CN"] .product-specifications h2,
html[lang="zh-CN"] .news-article-hero h1 {
  font-size: clamp(34px, 4.15vw, 66px);
  line-height: 1.14;
}

html[lang="zh-CN"] .about-hero-content h1,
html[lang="zh-CN"] .solutions-hero-content h1,
html[lang="zh-CN"] .news-hero-content h1,
html[lang="zh-CN"] .projects-overview h1,
html[lang="zh-CN"] .technology-products-hero h1,
html[lang="zh-CN"] .page-hero h1 {
  max-width: min(1120px, 100%);
  font-size: clamp(44px, 5.8vw, 82px);
  font-weight: 800;
  line-height: 1.08;
  white-space: normal;
}

html[lang="zh-CN"] .case-hero h1,
html[lang="zh-CN"] .project-case-summary h1,
html[lang="zh-CN"] .news-article-hero h1 {
  max-width: 860px;
  font-size: clamp(38px, 4.6vw, 72px);
  font-weight: 800;
  line-height: 1.12;
}

html[lang="zh-CN"] .about-intro h2,
html[lang="zh-CN"] .about-partnerships h2,
html[lang="zh-CN"] .about-recognition h2,
html[lang="zh-CN"] .about-safety h2,
html[lang="zh-CN"] .about-leadership h2,
html[lang="zh-CN"] .about-owner h2,
html[lang="zh-CN"] .about-final-cta h2,
html[lang="zh-CN"] .profile-hero-content h1,
html[lang="zh-CN"] .profile-overview h2,
html[lang="zh-CN"] .certificate-heading h2,
html[lang="zh-CN"] .compliance-section h2,
html[lang="zh-CN"] .intellectual-property h2,
html[lang="zh-CN"] .solutions-intro h2,
html[lang="zh-CN"] .solutions-showcase h2,
html[lang="zh-CN"] .commercial-heading h2,
html[lang="zh-CN"] .solutions-final-cta h2,
html[lang="zh-CN"] .product-family-heading h2,
html[lang="zh-CN"] .product-applications h2,
html[lang="zh-CN"] .product-specifications h2,
html[lang="zh-CN"] .case-layout h2,
html[lang="zh-CN"] .cta-panel h2,
html[lang="zh-CN"] .project-case-story h2,
html[lang="zh-CN"] .project-case-gallery-heading h2,
html[lang="zh-CN"] .project-case-cta h2,
html[lang="zh-CN"] .product-detail-cta h2,
html[lang="zh-CN"] .footer-cta-brand h2 {
  max-width: 980px;
  font-size: clamp(34px, 4.4vw, 64px);
  font-weight: 800;
  line-height: 1.14;
}

.solutions-hero-content p:last-child {
  max-width: 1020px;
  margin: 0;
  color: rgba(255, 255, 255, 0.92);
  font-size: clamp(22px, 2.5vw, 35px);
  line-height: 1.25;
}

.solutions-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.82fr);
  gap: clamp(42px, 8vw, 128px);
  min-height: 560px;
  align-items: center;
  background:
    radial-gradient(circle at 8% 100%, rgba(18, 111, 178, 0.08), transparent 34rem),
    linear-gradient(180deg, rgba(246, 250, 255, 0.96), rgba(255, 255, 255, 0.98));
}

.solutions-intro h2 {
  max-width: 840px;
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(42px, 5.4vw, 82px);
  line-height: 1.08;
}

.solutions-intro-copy {
  display: grid;
  gap: 22px;
  align-content: center;
}

.solutions-intro-copy p {
  margin: 0;
  color: var(--navy);
  font-size: clamp(18px, 1.6vw, 24px);
  line-height: 1.55;
}

.solutions-intro-copy .button {
  width: fit-content;
  border-radius: 0;
  margin-top: 18px;
}

.solutions-showcase {
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(6, 36, 62, 0.95), rgba(6, 36, 62, 0.84) 45%, rgba(6, 36, 62, 0.74)),
    radial-gradient(circle at 78% 8%, rgba(18, 111, 178, 0.28), transparent 28rem),
    linear-gradient(180deg, #072844, #06243e);
}

.solutions-showcase-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: clamp(64px, 8vw, 110px);
}

.solutions-showcase .eyebrow {
  color: #8fc8ff;
}

.solutions-showcase h2 {
  margin-top: 8px;
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(44px, 6vw, 86px);
  line-height: 1;
}

.button.light {
  color: var(--navy);
  background: rgba(255, 255, 255, 0.96);
  border-radius: 0;
}

.solutions-showcase-grid {
  display: grid;
  grid-template-columns: minmax(340px, 0.42fr) minmax(0, 1fr);
  gap: clamp(42px, 5vw, 88px);
  align-items: stretch;
}

.solutions-menu {
  display: grid;
  align-content: start;
  min-width: 0;
  gap: 30px;
  padding-right: clamp(28px, 3vw, 48px);
  border-right: 1px dashed rgba(217, 236, 255, 0.42);
}

.solutions-menu button {
  display: block;
  width: 100%;
  max-width: 100%;
  border: 0;
  padding: 0;
  text-align: left;
  color: rgba(217, 236, 255, 0.58);
  background: transparent;
  font: inherit;
  font-size: clamp(22px, 2.1vw, 32px);
  font-weight: 800;
  line-height: 1.22;
  white-space: normal;
  cursor: pointer;
}

.solutions-menu button.is-active,
.solutions-menu button:hover,
.solutions-menu button:focus-visible {
  color: var(--white);
}

.solutions-menu button.is-active {
  padding-left: 18px;
  border-left: 3px solid #8fc8ff;
}

.solution-feature {
  display: grid;
  grid-template-columns: minmax(380px, 0.72fr) minmax(400px, 0.78fr);
  gap: clamp(34px, 4vw, 68px);
  align-items: center;
  min-width: 0;
}

.solution-feature-copy {
  min-width: 0;
}

.solution-feature-copy h3 {
  max-width: 720px;
  margin: 0 0 28px;
  color: #8fc8ff;
  font-size: clamp(38px, 3.5vw, 58px);
  line-height: 1.1;
}

html[lang="zh-CN"] .solution-feature-copy h3 {
  font-size: clamp(38px, 3.1vw, 54px);
  line-height: 1.12;
}

.solution-feature-copy p {
  max-width: 700px;
  margin: 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(18px, 1.5vw, 24px);
  line-height: 1.65;
}

.solution-feature-copy a {
  display: inline-flex;
  margin-top: 36px;
  color: #8fc8ff;
  font-weight: 800;
}

.solution-feature img {
  max-width: 100%;
  min-width: 0;
  width: 100%;
  aspect-ratio: 1.12 / 1;
  object-fit: cover;
}

.solution-mini-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: clamp(46px, 6vw, 76px);
  border-top: 1px solid rgba(217, 236, 255, 0.18);
}

.solution-mini-grid a {
  display: grid;
  align-content: start;
  min-height: 420px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.045);
  transition: background 180ms ease, transform 180ms ease;
}

.solution-mini-grid a:hover {
  background: rgba(255, 255, 255, 0.09);
  transform: translateY(-3px);
}

.solution-mini-grid img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  margin-bottom: 24px;
}

.solution-mini-grid span {
  color: #8fc8ff;
  font-weight: 800;
}

.solution-mini-grid h3 {
  margin: 20px 0 14px;
  font-size: clamp(22px, 2vw, 30px);
  line-height: 1.15;
}

.solution-mini-grid p {
  margin: 0;
  color: rgba(255, 255, 255, 0.76);
  line-height: 1.55;
}

.commercial-section {
  background: var(--white);
}

.commercial-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1fr);
  gap: clamp(40px, 8vw, 120px);
  align-items: end;
  margin-bottom: clamp(46px, 7vw, 90px);
}

.commercial-heading .eyebrow,
.commercial-heading h2 {
  grid-column: 1;
}

.commercial-heading h2 {
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(44px, 5.6vw, 84px);
  line-height: 1.08;
}

.commercial-heading p:last-child {
  grid-column: 2;
  grid-row: 1 / span 2;
  margin: 0 0 10px;
  color: var(--navy);
  font-size: clamp(18px, 1.5vw, 24px);
  line-height: 1.55;
}

.commercial-grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(360px, 1fr);
  gap: clamp(42px, 8vw, 120px);
  align-items: center;
}

.commercial-grid > img {
  width: 100%;
  aspect-ratio: 1.46 / 1;
  object-fit: cover;
}

.commercial-list {
  display: grid;
}

.commercial-list p {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 20px;
  align-items: center;
  margin: 0;
  padding: 26px 0;
  color: var(--navy);
  border-bottom: 1px solid var(--line);
  font-size: clamp(20px, 1.8vw, 27px);
  font-weight: 800;
}

.commercial-list span {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  color: var(--blue);
  border: 1px solid rgba(18, 111, 178, 0.36);
  border-radius: 50%;
  font-size: 12px;
}

.solutions-final-cta {
  display: grid;
  place-items: center;
  gap: 30px;
  min-height: 360px;
  padding: clamp(68px, 9vw, 120px) clamp(18px, 5vw, 64px);
  color: var(--white);
  text-align: center;
  background:
    radial-gradient(circle at 72% 10%, rgba(18, 111, 178, 0.42), transparent 34rem),
    linear-gradient(135deg, var(--blue-deep), var(--navy));
}

.solutions-final-cta h2 {
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(42px, 5.8vw, 86px);
  line-height: 1.08;
}

.case-hero {
  position: relative;
  min-height: 76vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  padding: 150px clamp(18px, 5vw, 64px) 72px;
  color: var(--white);
}

.case-hero img {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-hero::after {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  background:
    linear-gradient(90deg, rgba(7, 31, 54, 0.9), rgba(7, 31, 54, 0.44) 58%, rgba(7, 31, 54, 0.12)),
    linear-gradient(0deg, rgba(7, 31, 54, 0.72), transparent 46%);
}

.case-hero-content {
  width: min(940px, 100%);
}

.case-hero h1 {
  font-size: clamp(48px, 7vw, 104px);
  line-height: 0.92;
}

.case-hero p:last-child {
  max-width: 720px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.5;
}

.solution-detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.solution-detail-actions .button.light {
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.52);
  background: rgba(255, 255, 255, 0.1);
}

.solution-detail-actions .button.light:hover,
.solution-detail-actions .button.light:focus-visible {
  color: var(--navy);
  background: var(--white);
}

.news-hero {
  position: relative;
  min-height: 94vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  padding: 142px clamp(18px, 5vw, 64px) 72px;
  color: var(--white);
  background: var(--navy);
}

.news-hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-hero::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, rgba(7, 31, 54, 0.72), rgba(7, 31, 54, 0.28) 54%, rgba(7, 31, 54, 0.14)),
    linear-gradient(0deg, rgba(7, 31, 54, 0.74), transparent 52%);
}

.news-hero-content {
  position: relative;
  z-index: 1;
  width: min(1180px, 100%);
}

.news-hero-content h1 {
  margin-bottom: clamp(46px, 8vw, 104px);
  padding-bottom: clamp(24px, 3vw, 40px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.74);
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(82px, 16vw, 190px);
  line-height: 0.82;
}

.news-hero-content p:last-child {
  max-width: 1120px;
  margin: 0;
  color: rgba(255, 255, 255, 0.92);
  font-size: clamp(21px, 2.4vw, 34px);
  line-height: 1.28;
}

.news-list-section {
  background: rgba(246, 250, 255, 0.96);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(22px, 3vw, 42px);
}

.news-card {
  display: block;
  color: var(--navy);
}

.news-card img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 2.85;
  object-fit: cover;
  margin-bottom: 22px;
}

.news-card h2 {
  margin: 0 0 16px;
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(22px, 2vw, 30px);
  line-height: 1.18;
}

.news-card span {
  display: block;
  margin-bottom: 14px;
  color: rgba(7, 31, 54, 0.42);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.news-card p {
  margin: 0 0 18px;
  color: rgba(7, 31, 54, 0.58);
  line-height: 1.6;
}

.news-card strong {
  color: var(--blue);
  font-size: 13px;
  text-transform: uppercase;
}

.news-card:hover h2,
.news-card:focus-visible h2 {
  color: var(--blue);
}

.news-article-hero h1 {
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(42px, 6vw, 86px);
  line-height: 1.02;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 0.36fr);
  gap: clamp(36px, 7vw, 96px);
  background: var(--white);
}

.article-layout article {
  max-width: 900px;
}

.article-layout article p {
  margin: 0 0 24px;
  color: var(--ink-soft);
  font-size: 20px;
  line-height: 1.8;
}

.article-layout aside {
  align-self: start;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(239, 247, 255, 0.76);
}

.article-layout aside span,
.article-layout aside strong {
  display: block;
}

.article-layout aside span {
  margin-bottom: 8px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.article-layout aside strong {
  margin-bottom: 22px;
  color: var(--navy);
  line-height: 1.3;
}

.case-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(34px, 7vw, 100px);
  background:
    linear-gradient(180deg, var(--white), #f5f9fd);
}

.case-layout h2 {
  font-size: clamp(42px, 5.2vw, 78px);
  line-height: 1.03;
}

.case-copy {
  align-self: start;
  padding: clamp(28px, 4vw, 46px);
  background: var(--white);
  border: 1px solid rgba(5, 34, 58, 0.08);
  border-radius: 8px;
  box-shadow: 0 24px 70px rgba(5, 34, 58, 0.08);
}

.case-copy > p {
  margin-top: 0;
  color: var(--ink-soft);
  font-size: clamp(18px, 1.5vw, 22px);
  line-height: 1.75;
}

.case-points {
  display: grid;
  gap: 12px;
  margin-top: 30px;
}

.case-points article {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 20px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

.case-points strong {
  color: var(--navy);
}

.case-points span {
  color: var(--ink-soft);
  line-height: 1.6;
}

.solution-capabilities {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  padding: 0;
  background: var(--navy);
}

.solution-capabilities article {
  min-height: 360px;
  padding: clamp(38px, 5vw, 74px);
  color: var(--white);
  border-right: 1px solid rgba(255, 255, 255, 0.14);
}

.solution-capabilities article:last-child {
  border-right: 0;
}

.solution-capabilities span {
  color: var(--sky);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.solution-capabilities h3 {
  margin: 24px 0 16px;
  color: var(--white);
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(28px, 3vw, 44px);
  line-height: 1.12;
}

.solution-capabilities p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.7;
}

.solution-project-bridge {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  align-items: center;
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(18, 111, 178, 0.28), transparent 48%),
    var(--blue-deep);
}

.solution-project-bridge h2 {
  max-width: 850px;
  margin: 10px 0 0;
  color: var(--white);
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(34px, 4.2vw, 64px);
  line-height: 1.1;
}

.solution-project-bridge .eyebrow {
  color: var(--sky);
}

.fact-list {
  border-top: 1px solid var(--line);
}

.fact-list p {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 18px;
  margin: 0;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  padding-top: 0;
}

.timeline article {
  padding: 30px 0;
  border-top: 2px solid var(--blue);
}

.cards {
  grid-template-columns: repeat(2, 1fr);
}

.cards article {
  min-height: 260px;
}

.process {
  padding-top: 0;
}

.process div {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
  margin-top: 28px;
}

.process span {
  min-height: 82px;
  display: grid;
  place-items: center;
  color: var(--white);
  background: linear-gradient(135deg, var(--navy), var(--blue));
  font-weight: 800;
  border-radius: 8px;
}

.projects-overview {
  position: relative;
  overflow: hidden;
  padding: clamp(170px, 18vw, 250px) clamp(24px, 7vw, 110px) clamp(86px, 10vw, 150px);
  text-align: center;
  color: var(--white);
  background:
    linear-gradient(120deg, rgba(7, 31, 54, 0.94), rgba(7, 31, 54, 0.76) 52%, rgba(18, 111, 178, 0.38)),
    url("/assets/images/projects/quanzhou-hydrogen-combustion-site.png") center / cover;
}

.projects-overview h1 {
  max-width: 1280px;
  margin: 20px auto 30px;
  color: var(--white);
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(46px, 6.2vw, 92px);
  line-height: 1.08;
  text-shadow: 0 18px 42px rgba(0, 0, 0, 0.34);
}

.projects-overview > p:last-child {
  max-width: 850px;
  margin: 0 auto;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(18px, 1.7vw, 24px);
  line-height: 1.65;
}

.projects-browser {
  padding: clamp(64px, 8vw, 112px) clamp(18px, 5vw, 72px) clamp(76px, 9vw, 128px);
  background: #edf5ff;
}

.projects-browser-heading {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  align-items: end;
  max-width: 1560px;
  margin: 0 auto 30px;
}

.projects-browser-heading h2 {
  max-width: 760px;
  margin: 12px 0 0;
  color: var(--navy);
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(38px, 4.5vw, 68px);
}

.project-filter-control {
  display: grid;
  gap: 10px;
  width: min(100%, 430px);
}

.project-filter-control label {
  color: var(--navy);
  font-size: 14px;
  font-weight: 800;
  text-transform: uppercase;
}

.project-filter-control select {
  width: 100%;
  min-height: 58px;
  padding: 0 46px 0 18px;
  color: var(--navy);
  background: var(--white);
  border: 1px solid rgba(3, 45, 78, 0.18);
  border-radius: 6px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.project-filter-control select:focus-visible {
  outline: 3px solid rgba(22, 126, 194, 0.28);
  outline-offset: 2px;
}

.project-result-count {
  max-width: 1560px;
  margin: 0 auto 18px;
  color: var(--ink-soft);
  font-weight: 700;
}

.projects-scroll-region {
  max-width: 1600px;
  margin: 0 auto;
  padding: 18px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(3, 45, 78, 0.09);
  border-radius: 8px;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.project-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  overflow: hidden;
  background: #f4f8fd;
  border: 1px solid rgba(3, 45, 78, 0.08);
  border-radius: 6px;
}

.project-card[hidden] {
  display: none;
}

.project-card > img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.project-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: flex-start;
  padding: clamp(22px, 2.4vw, 34px);
}

.project-card-body .project-category {
  min-height: 46px;
  margin: 0 0 20px;
  color: var(--blue);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.45;
  text-transform: uppercase;
}

.project-card h3 {
  margin: 0 0 16px;
  color: var(--navy);
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(25px, 2.1vw, 34px);
  line-height: 1.14;
}

.project-card-body > p:not(.project-category) {
  margin: 0 0 24px;
  color: var(--ink-soft);
  line-height: 1.65;
}

.project-card dl {
  display: grid;
  width: 100%;
  gap: 9px;
  margin: auto 0 26px;
}

.project-card dl div {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 12px;
  padding-top: 9px;
  border-top: 1px solid rgba(3, 45, 78, 0.11);
}

.project-card dt {
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

.project-card dd {
  margin: 0;
  color: var(--navy);
  font-weight: 700;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 48px;
  padding: 12px 18px;
  color: var(--white);
  background: var(--navy);
  font-weight: 800;
}

.project-link:hover {
  background: var(--blue);
}

.project-link span {
  color: var(--sky);
  font-size: 22px;
}

.projects-empty {
  padding: 72px 20px;
  color: var(--ink-soft);
  text-align: center;
}

.projects-contact-cta {
  display: grid;
  justify-items: center;
  padding: clamp(72px, 10vw, 140px) clamp(22px, 6vw, 92px);
  color: var(--white);
  text-align: center;
  background: var(--navy);
}

.projects-contact-cta p {
  margin: 0 0 18px;
  color: var(--sky);
  font-weight: 800;
  text-transform: uppercase;
}

.projects-contact-cta h2 {
  max-width: 1100px;
  margin: 0 0 34px;
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(40px, 5.5vw, 76px);
}

.project-case-page {
  color: var(--navy);
  background: #f4f8fc;
}

.project-case-topbar {
  padding: 150px clamp(24px, 6vw, 92px) 30px;
  background: #f4f8fc;
}

.project-case-back {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--navy);
  font-weight: 800;
}

.project-case-back:hover {
  color: var(--blue);
}

.project-case-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(420px, 0.88fr);
  max-width: none;
  margin: 0 auto;
  align-items: start;
}

.project-case-hero-media {
  min-width: 0;
  align-self: start;
}

.project-case-hero-backdrop {
  display: none;
}

.project-case-hero-image {
  display: block;
  width: 100%;
  height: auto;
}

.project-case-summary {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 0;
  padding: clamp(34px, 3.8vw, 62px);
  color: var(--white);
  background: var(--navy);
}

@media (min-width: 1800px) {
  .project-case-summary {
    height: var(--project-hero-media-height, auto);
    box-sizing: border-box;
  }

  .project-case-hero--compact .project-case-summary {
    padding: 24px clamp(30px, 3vw, 48px);
  }

  .project-case-hero--compact .project-case-summary h1 {
    margin: 12px 0 14px;
    font-size: clamp(30px, 2vw, 42px);
  }

  .project-case-hero--compact .project-case-lead {
    font-size: 15px;
    line-height: 1.4;
  }

  .project-case-hero--compact .project-case-facts {
    margin-top: 16px;
  }

  .project-case-hero--compact .project-case-facts div {
    grid-template-columns: 105px 1fr;
    gap: 12px;
    padding: 8px 0;
  }
}

.project-case-summary .eyebrow {
  color: var(--sky);
}

.project-case-summary h1 {
  margin: 16px 0 20px;
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(38px, 3.55vw, 60px);
  line-height: 1.04;
}

.project-case-lead {
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(16px, 1.2vw, 20px);
  line-height: 1.5;
}

.project-case-facts {
  display: grid;
  gap: 0;
  margin: 26px 0 0;
}

.project-case-facts div {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 18px;
  padding: 11px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.project-case-facts dt {
  color: var(--sky);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.project-case-facts dd {
  margin: 0;
  color: var(--white);
  font-weight: 700;
}

.project-case-story {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(48px, 8vw, 150px);
  max-width: 1520px;
  margin: 0 auto;
  padding: clamp(84px, 10vw, 150px) clamp(24px, 5vw, 76px);
}

.project-case-story h2,
.project-case-gallery-heading h2 {
  margin: 14px 0 0;
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(38px, 4.4vw, 70px);
  line-height: 1.08;
}

.project-case-story-copy {
  align-self: end;
}

.project-case-story-copy p {
  margin: 0 0 24px;
  color: var(--ink-soft);
  font-size: clamp(18px, 1.45vw, 23px);
  line-height: 1.72;
}

.project-case-spec-list {
  display: grid;
  gap: 14px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.project-case-spec-list li {
  position: relative;
  padding: 16px 18px 16px 54px;
  color: var(--navy);
  background: var(--white);
  border: 1px solid rgba(3, 45, 78, 0.11);
  border-radius: 6px;
  font-weight: 700;
  line-height: 1.55;
}

.project-case-spec-list li::before {
  position: absolute;
  top: 16px;
  left: 18px;
  color: var(--blue);
  content: "✓";
  font-weight: 900;
}

.project-case-gallery {
  padding: clamp(76px, 8vw, 126px) clamp(24px, 5vw, 76px);
  background: var(--white);
}

.project-case-gallery-heading {
  max-width: 1520px;
  margin: 0 auto 48px;
}

.project-case-gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  max-width: 1520px;
  margin: 0 auto;
  align-items: start;
}

.project-case-gallery-grid.economics-layout {
  grid-template-columns: minmax(0, 1.05fr) minmax(460px, 0.95fr);
  gap: clamp(24px, 3vw, 42px);
  align-items: stretch;
}

.project-case-gallery-grid.three figure:first-child {
  grid-column: 1 / -1;
}

.project-case-gallery figure {
  margin: 0;
  overflow: hidden;
  background: #e9f0f7;
  border-radius: 6px;
}

.project-case-gallery img {
  display: block;
  width: 100%;
  height: auto;
}

.project-case-feature-image img {
  height: 100%;
  min-height: 560px;
  object-fit: cover;
}

.project-case-economics {
  display: flex;
  flex-direction: column;
  gap: 24px;
  min-height: 100%;
  padding: clamp(30px, 4vw, 52px);
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(18, 111, 178, 0.18), transparent 46%),
    var(--navy);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  box-shadow: 0 24px 60px rgba(5, 34, 58, 0.14);
}

.project-case-economics-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 26px;
  align-items: start;
}

.project-case-economics-intro .eyebrow {
  color: var(--sky);
}

.project-case-economics-intro h3 {
  max-width: 620px;
  margin: 12px 0 16px;
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(32px, 3vw, 52px);
  line-height: 1.12;
  color: var(--white);
}

.project-case-economics-intro p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.65;
}

.project-case-economics-intro strong {
  display: grid;
  place-items: center;
  width: clamp(96px, 9vw, 132px);
  aspect-ratio: 1;
  color: var(--navy);
  background: var(--sky);
  border-radius: 50%;
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(30px, 3vw, 44px);
  font-weight: 900;
}

.project-case-metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
}

.project-case-metric-grid div {
  min-height: 132px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
}

.project-case-metric-grid dt {
  margin: 0 0 8px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.project-case-metric-grid dd {
  margin: 0;
  color: var(--white);
  font-size: clamp(22px, 2vw, 32px);
  font-weight: 900;
  line-height: 1.15;
}

.project-case-savings {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: auto;
}

.project-case-savings div {
  padding: 22px;
  background: var(--white);
  border-radius: 6px;
}

.project-case-savings span,
.project-case-savings small {
  display: block;
}

.project-case-savings span {
  color: var(--blue);
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(40px, 4.2vw, 66px);
  font-weight: 900;
  line-height: 1;
}

.project-case-savings small {
  margin-top: 10px;
  color: var(--navy);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.35;
  text-transform: uppercase;
}

.project-case-highlights {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  background: var(--navy);
}

.project-case-highlight {
  min-height: 320px;
  padding: clamp(42px, 5vw, 78px);
  color: var(--white);
  border-right: 1px solid rgba(255, 255, 255, 0.16);
}

.project-case-highlight:last-child {
  border-right: 0;
}

.project-case-highlight span {
  color: var(--sky);
  font-size: 15px;
  font-weight: 800;
  text-transform: uppercase;
}

.project-case-highlight h3 {
  margin: 26px 0 16px;
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(28px, 2.7vw, 44px);
  line-height: 1.12;
}

.project-case-highlight p {
  margin: 0;
  color: rgba(255, 255, 255, 0.74);
  line-height: 1.65;
}

.project-case-cta {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  align-items: center;
  padding: clamp(68px, 8vw, 120px) clamp(24px, 7vw, 110px);
  background: #e7f2ff;
}

.project-case-cta h2 {
  max-width: 980px;
  margin: 0;
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(36px, 4.5vw, 66px);
  line-height: 1.08;
}

@media (max-width: 1799px) {
  .project-case-hero,
  .project-case-story {
    grid-template-columns: 1fr;
  }

  .project-case-gallery-grid.economics-layout {
    grid-template-columns: 1fr;
  }

  .project-case-hero {
    min-height: 0;
    height: auto;
  }

  .project-case-hero-media {
    height: auto;
  }

  .project-case-highlights {
    grid-template-columns: 1fr;
  }

  .project-case-highlight {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  }

  .project-case-cta {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 680px) {
  .project-case-topbar {
    padding-top: 118px;
  }

  .project-case-hero-media {
    height: auto;
  }

  .project-case-summary {
    padding: 42px 24px;
  }

  .project-case-facts div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .project-case-gallery-grid {
    grid-template-columns: 1fr;
  }

  .project-case-gallery-grid.three figure:first-child {
    grid-column: auto;
  }

  .project-case-feature-image img {
    min-height: 360px;
  }

  .project-case-economics-intro {
    grid-template-columns: 1fr;
  }

  .project-case-economics {
    gap: 18px;
    padding: 30px;
  }

  .project-case-economics-intro strong {
    width: 96px;
  }

  .project-case-metric-grid,
  .project-case-savings {
    grid-template-columns: 1fr;
  }

  .project-case-metric-grid div {
    min-height: 0;
    padding: 18px;
  }

  .project-case-savings div {
    padding: 20px;
  }
}

.technology-products-hero {
  position: relative;
  overflow: hidden;
  min-height: 78vh;
  display: grid;
  align-content: center;
  justify-items: start;
  padding: clamp(170px, 18vw, 240px) clamp(24px, 7vw, 110px) clamp(86px, 10vw, 142px);
  color: var(--white);
  background:
    linear-gradient(105deg, rgba(7, 31, 54, 0.96), rgba(7, 31, 54, 0.82) 48%, rgba(7, 31, 54, 0.4)),
    url("/assets/images/track-stationary-mobile-hydrogen-production.png") center / cover;
}

.technology-products-hero .eyebrow {
  color: var(--sky);
}

.technology-products-hero h1 {
  max-width: 1260px;
  margin: 20px 0 30px;
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(52px, 7vw, 102px);
  line-height: 1.02;
  text-shadow: 0 18px 42px rgba(0, 0, 0, 0.34);
}

.technology-products-hero > p:last-of-type {
  max-width: 820px;
  margin: 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(18px, 1.7vw, 25px);
  line-height: 1.6;
}

.product-family-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 40px;
}

.product-family-nav a {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  padding: 12px 18px;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.5);
  font-weight: 800;
}

.product-family-nav a:hover {
  color: var(--navy);
  background: var(--white);
}

.product-family {
  padding: clamp(84px, 10vw, 150px) clamp(20px, 5vw, 72px);
  scroll-margin-top: 118px;
  background: var(--white);
}

.product-family-power {
  background: #edf5ff;
}

.product-family-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.72fr);
  gap: clamp(40px, 8vw, 120px);
  align-items: end;
  max-width: 1560px;
  margin: 0 auto clamp(44px, 6vw, 78px);
}

.product-family-heading h2 {
  margin: 14px 0 0;
  color: var(--navy);
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(42px, 5vw, 76px);
}

.product-family-heading > p {
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(18px, 1.5vw, 23px);
  line-height: 1.65;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  max-width: 1600px;
  margin: 0 auto;
}

.product-card {
  min-width: 0;
  overflow: hidden;
  background: var(--white);
  border: 1px solid rgba(3, 45, 78, 0.12);
  border-radius: 6px;
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.product-card:hover,
.product-card:focus-visible {
  transform: translateY(-6px);
  border-color: rgba(18, 111, 178, 0.46);
  box-shadow: 0 22px 46px rgba(3, 45, 78, 0.14);
}

.product-card-image {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: #eef2f6;
}

.product-card-image-portrait {
  aspect-ratio: 1 / 1;
}

.product-card-image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
  display: block;
  transition: transform 300ms ease;
}

.product-card:hover .product-card-image img,
.product-card:focus-visible .product-card-image img {
  transform: scale(1.025);
}

.product-card-copy {
  display: grid;
  align-content: start;
  min-height: 250px;
  padding: clamp(24px, 2.8vw, 38px);
}

.product-card-copy > p {
  margin: 0 0 18px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.product-card-copy h3 {
  margin: 0 0 14px;
  color: var(--navy);
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(32px, 3.3vw, 52px);
  line-height: 1;
}

.product-card-copy > span {
  color: var(--ink-soft);
  line-height: 1.55;
}

.product-card-copy strong {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: auto;
  padding-top: 30px;
  color: var(--navy);
}

.product-card-copy strong span {
  color: var(--blue);
  font-size: 22px;
}

.product-detail-page {
  background: #f6f8fb;
}

.product-detail-topbar {
  padding: 150px clamp(20px, 5vw, 72px) 28px;
  background: var(--white);
  border-bottom: 1px solid rgba(3, 45, 78, 0.1);
}

.product-back {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--navy);
  font-weight: 800;
}

.product-back span {
  color: var(--blue);
  font-size: 22px;
}

.product-detail-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(420px, 0.92fr);
  min-height: 680px;
  background: var(--white);
}

.product-detail-media {
  min-width: 0;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: #f1f2f3;
}

.product-detail-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-detail-media--contain {
  background: #f5f6f7;
}

.product-detail-media--contain img {
  object-fit: contain;
}

.product-detail-summary {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(48px, 7vw, 110px);
  color: var(--white);
  background: var(--navy);
}

.product-detail-summary .eyebrow {
  color: var(--sky);
}

.product-detail-summary h1 {
  margin: 18px 0 20px;
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(56px, 7vw, 108px);
  line-height: 0.96;
}

.product-detail-summary h2 {
  margin: 0 0 28px;
  color: var(--sky);
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(23px, 2.2vw, 36px);
  line-height: 1.2;
}

.product-detail-summary > p:last-of-type {
  max-width: 620px;
  margin: 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(18px, 1.5vw, 23px);
  line-height: 1.62;
}

.product-detail-summary .button {
  width: fit-content;
  margin-top: 34px;
}

.product-detail-overview {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  padding: 0 clamp(20px, 6vw, 92px);
  background: var(--white);
  border-bottom: 1px solid rgba(3, 45, 78, 0.14);
}

.product-detail-overview article {
  display: grid;
  gap: 8px;
  min-height: 150px;
  align-content: center;
  padding: 28px clamp(18px, 2.5vw, 38px);
  border-right: 1px solid rgba(3, 45, 78, 0.14);
}

.product-detail-overview article:first-child {
  border-left: 1px solid rgba(3, 45, 78, 0.14);
}

.product-detail-overview strong {
  color: var(--navy);
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(28px, 3vw, 46px);
  line-height: 1;
}

.product-detail-overview span {
  color: var(--ink-soft);
  font-weight: 700;
}

.product-specifications {
  display: grid;
  grid-template-columns: minmax(300px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(50px, 9vw, 140px);
  align-items: start;
  padding: clamp(84px, 10vw, 150px) clamp(20px, 6vw, 92px);
  background: var(--white);
}

.product-specifications h2,
.product-applications h2 {
  margin: 16px 0 24px;
  color: var(--navy);
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(40px, 5vw, 72px);
}

.product-specifications-intro > p:last-child {
  color: var(--ink-soft);
  line-height: 1.65;
}

.product-spec-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
  border-top: 2px solid var(--navy);
  border-left: 1px solid rgba(3, 45, 78, 0.14);
}

.product-spec-list > div {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 6px;
  padding: 14px clamp(14px, 1.45vw, 22px) 16px;
  border-right: 1px solid rgba(3, 45, 78, 0.14);
  border-bottom: 1px solid rgba(3, 45, 78, 0.14);
}

.product-spec-list dt {
  color: var(--ink-soft);
  font-weight: 700;
  font-size: 13px;
  line-height: 1.3;
}

.product-spec-list dd {
  margin: 0;
  color: var(--navy);
  font-weight: 800;
  font-size: 16px;
  line-height: 1.36;
}

.product-spec-list .pending {
  color: var(--blue);
  font-weight: 700;
}

.product-spec-list sup {
  color: var(--blue);
  font-size: 0.75em;
}

.product-series-specs {
  padding: clamp(76px, 9vw, 132px) clamp(20px, 6vw, 92px);
  background: #edf5ff;
}

.product-series-heading {
  display: grid;
  grid-template-columns: minmax(260px, 0.76fr) minmax(0, 1.24fr);
  gap: clamp(36px, 8vw, 124px);
  align-items: end;
}

.product-series-heading h2 {
  margin: 16px 0 0;
  color: var(--navy);
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(38px, 4.6vw, 66px);
  line-height: 1.04;
}

.product-series-heading > p:last-child {
  max-width: 660px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 18px;
  line-height: 1.6;
}

.product-series-table-wrap {
  margin-top: 48px;
  overflow-x: auto;
  border: 1px solid rgba(3, 45, 78, 0.16);
  background: var(--white);
}

.product-series-table-wrap table {
  width: 100%;
  min-width: 820px;
  border-collapse: collapse;
  color: var(--navy);
}

.product-series-table-wrap th,
.product-series-table-wrap td {
  padding: 19px 22px;
  border-right: 1px solid rgba(3, 45, 78, 0.14);
  border-bottom: 1px solid rgba(3, 45, 78, 0.14);
  text-align: left;
  vertical-align: middle;
}

.product-series-table-wrap tr:last-child th,
.product-series-table-wrap tr:last-child td {
  border-bottom: 0;
}

.product-series-table-wrap th:last-child,
.product-series-table-wrap td:last-child {
  border-right: 0;
}

.product-series-table-wrap thead th {
  color: var(--white);
  background: var(--navy);
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: 19px;
}

.product-series-table-wrap tbody th {
  width: 26%;
  color: var(--ink-soft);
  font-weight: 800;
}

.product-series-table-wrap tbody td {
  font-weight: 700;
}

.product-operation {
  display: grid;
  grid-template-columns: minmax(260px, 0.75fr) minmax(0, 1.25fr);
  gap: clamp(42px, 8vw, 124px);
  padding: clamp(76px, 9vw, 132px) clamp(20px, 6vw, 92px);
  background: #f2f6fb;
}

.product-operation h2 {
  margin: 16px 0 24px;
  color: var(--navy);
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(38px, 4.6vw, 66px);
  line-height: 1.04;
}

.product-operation-intro > p:last-child {
  margin: 0;
  color: var(--ink-soft);
  font-size: 18px;
  line-height: 1.65;
}

.product-control-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.product-control-grid article {
  display: flex;
  min-height: 290px;
  flex-direction: column;
  padding: clamp(24px, 2.5vw, 36px);
  background: var(--white);
  border-top: 4px solid var(--blue);
}

.product-control-grid span,
.product-notes span {
  color: var(--blue);
  font-weight: 800;
}

.product-control-grid h3 {
  margin: 42px 0 16px;
  color: var(--navy);
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: 25px;
  line-height: 1.15;
}

.product-control-grid p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.58;
}

.product-applications {
  padding: clamp(76px, 9vw, 132px) clamp(20px, 6vw, 92px);
  background: #edf5ff;
}

.product-application-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 48px;
}

.product-application-grid article {
  min-height: 220px;
  padding: clamp(26px, 3vw, 42px);
  background: var(--white);
  border-top: 4px solid var(--blue);
}

.product-application-grid span {
  color: var(--blue);
  font-weight: 800;
}

.product-application-grid h3 {
  margin: 44px 0 0;
  color: var(--navy);
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(23px, 2vw, 32px);
}

.product-application-grid .product-application-card {
  display: flex;
  min-height: 0;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
  border-top: 0;
}

.product-application-card img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.product-application-card > div {
  display: flex;
  min-height: 158px;
  flex: 1;
  flex-direction: column;
  padding: 24px clamp(22px, 2.6vw, 34px) 30px;
}

.product-application-grid .product-application-card h3 {
  margin: 24px 0 0;
  font-size: clamp(21px, 1.65vw, 28px);
  line-height: 1.16;
}

.product-notes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  padding: clamp(40px, 5vw, 70px) clamp(20px, 6vw, 92px);
  background: var(--white);
  border-top: 1px solid rgba(3, 45, 78, 0.14);
}

.product-notes > div {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 8px clamp(18px, 2.4vw, 38px);
  border-right: 1px solid rgba(3, 45, 78, 0.14);
}

.product-notes > div:first-child {
  padding-left: 0;
}

.product-notes > div:last-child {
  padding-right: 0;
  border-right: 0;
}

.product-notes p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.55;
}

.product-detail-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 40px;
  align-items: center;
  padding: clamp(70px, 9vw, 124px) clamp(20px, 6vw, 92px);
  color: var(--white);
  background: var(--blue-deep);
}

.product-detail-cta h2 {
  max-width: 980px;
  margin: 0;
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(38px, 4.7vw, 68px);
}

.product-detail-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 1100px) {
  .projects-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .product-detail-hero,
  .product-specifications,
  .product-operation,
  .product-series-heading {
    grid-template-columns: 1fr;
  }

  .product-control-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .product-detail-summary {
    min-height: 520px;
  }

  .product-detail-cta {
    grid-template-columns: 1fr;
  }

  .product-spec-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .projects-overview {
    padding-top: 138px;
  }

  .projects-overview h1 {
    font-size: 44px;
  }

  .projects-browser-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .project-filter-control {
    width: 100%;
  }

  .projects-scroll-region {
    padding: 10px;
  }

  .projects-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .project-card-body .project-category {
    min-height: auto;
  }

  .technology-products-hero {
    min-height: auto;
    padding-top: 145px;
  }

  .technology-products-hero h1 {
    font-size: 48px;
  }

  .product-family-heading,
  .product-grid,
  .product-application-grid {
    grid-template-columns: 1fr;
  }

  .product-family-heading {
    gap: 26px;
  }

  .product-detail-topbar {
    padding-top: 126px;
  }

  .product-detail-media img {
    height: 100%;
  }

  .product-detail-summary {
    min-height: auto;
    padding: 58px 24px;
  }

  .product-detail-summary h1 {
    font-size: 58px;
  }

  .product-specifications {
    gap: 36px;
  }

  .product-spec-list > div {
    padding: 15px 18px 17px;
  }

  .product-detail-overview,
  .product-control-grid,
  .product-notes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .product-detail-media {
    aspect-ratio: 16 / 10;
  }

  .product-detail-overview article:nth-child(3) {
    border-left: 1px solid rgba(3, 45, 78, 0.14);
  }

  .product-notes > div {
    padding: 22px 0;
    border-right: 0;
    border-bottom: 1px solid rgba(3, 45, 78, 0.14);
  }

  .product-notes > div:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 560px) {
  .product-spec-list {
    grid-template-columns: 1fr;
  }

  .product-detail-overview,
  .product-control-grid,
  .product-notes {
    grid-template-columns: 1fr;
  }

  .product-detail-overview article,
  .product-detail-overview article:first-child,
  .product-detail-overview article:nth-child(3) {
    min-height: 112px;
    border-right: 0;
    border-left: 0;
    border-bottom: 1px solid rgba(3, 45, 78, 0.14);
  }

  .product-detail-overview article:last-child {
    border-bottom: 0;
  }
}

.cta-panel {
  margin: 0 clamp(18px, 5vw, 64px) clamp(68px, 9vw, 124px);
  padding: clamp(42px, 7vw, 88px);
  color: var(--white);
  background: linear-gradient(135deg, var(--navy), var(--blue));
  border-radius: 8px;
}

.cta-panel .button {
  margin-top: 20px;
}

.tech-grid {
  grid-template-columns: repeat(3, 1fr);
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 24px;
}

.contact-card,
.contact-form {
  padding: 32px;
}

.contact-card {
  position: relative;
  overflow: hidden;
  min-height: 520px;
  color: var(--white);
  border: 1px solid rgba(132, 202, 255, 0.32);
  background:
    linear-gradient(135deg, rgba(7, 31, 54, 0.96), rgba(9, 70, 116, 0.88)),
    url("/assets/images/hydrogen-hero-blue.png") center / cover;
  box-shadow: 0 28px 72px rgba(7, 31, 54, 0.22);
}

.contact-card::before {
  position: absolute;
  inset: 0;
  content: "";
  background:
    radial-gradient(circle at 18% 18%, rgba(118, 195, 255, 0.42), transparent 30%),
    linear-gradient(160deg, rgba(255, 255, 255, 0.16), transparent 46%);
  pointer-events: none;
}

.contact-card::after {
  position: absolute;
  right: -120px;
  bottom: -140px;
  width: 360px;
  height: 360px;
  content: "";
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.12), transparent 62%);
  pointer-events: none;
}

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

.contact-card h2 {
  color: var(--white);
}

.contact-card p {
  max-width: 520px;
  color: rgba(255, 255, 255, 0.78);
}

.contact-card a,
.contact-card span {
  display: block;
  margin-top: 16px;
  color: #bde4ff;
  font-weight: 800;
}

.contact-card .contact-whatsapp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  margin-top: 28px;
  padding: 13px 18px;
  color: #062e4f;
  background: #78e681;
  border-radius: 8px;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.18);
}

.contact-card .contact-whatsapp:hover,
.contact-card .contact-whatsapp:focus-visible {
  color: #062e4f;
  background: #94f39a;
}

.contact-form {
  display: grid;
  gap: 18px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--ink-soft);
  font-weight: 800;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px 16px;
  color: var(--ink);
  background: var(--white);
  font: inherit;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 38px clamp(18px, 5vw, 64px);
  color: rgba(255, 255, 255, 0.78);
  background: #071f36;
}

.site-footer strong,
.site-footer a {
  color: var(--white);
}

.site-footer p,
.site-footer span {
  display: block;
  margin: 6px 0 0;
}

.footer-cta {
  position: relative;
  min-height: 620px;
  display: grid;
  align-items: end;
  overflow: hidden;
  padding: clamp(120px, 14vw, 220px) clamp(18px, 4vw, 56px) clamp(28px, 4vw, 56px);
  background: var(--navy);
}

.footer-cta > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.92;
}

.footer-cta::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(180deg, rgba(7, 31, 54, 0.06), rgba(7, 31, 54, 0.38)),
    linear-gradient(90deg, rgba(7, 31, 54, 0.2), transparent 52%);
}

.footer-cta-panel {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(320px, 1.5fr) minmax(160px, 0.48fr) minmax(230px, 0.72fr) minmax(230px, 0.68fr);
  gap: clamp(28px, 4vw, 58px);
  width: 100%;
  max-width: 1760px;
  margin: 0 auto;
  padding: clamp(34px, 5vw, 66px);
  color: var(--navy);
  background: rgba(255, 255, 255, 0.44);
  box-shadow: 0 28px 90px rgba(7, 31, 54, 0.22);
  backdrop-filter: blur(5px);
}

.footer-cta-brand {
  display: grid;
  align-content: space-between;
  gap: 60px;
}

.footer-cta-brand h2 {
  max-width: 620px;
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(42px, 5vw, 76px);
  line-height: 1.08;
}

.footer-cta-brand p {
  max-width: 560px;
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.7;
}

.footer-cta-links,
.footer-cta-contact {
  padding-left: clamp(20px, 2vw, 34px);
  border-left: 1px solid var(--line);
}

.footer-cta h3 {
  margin: 0 0 22px;
  color: var(--blue);
  font-size: 22px;
}

.footer-cta a,
.footer-cta span,
.footer-cta-contact p {
  display: block;
  margin: 0 0 14px;
  color: var(--navy);
  line-height: 1.4;
}

.footer-cta a:hover {
  color: var(--blue);
}

@keyframes liftIn {
  from {
    opacity: 0;
    transform: translateY(18px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 900px) {
  .site-header {
    min-height: 70px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: fixed;
    top: 70px;
    left: 12px;
    right: 12px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 14px;
    color: var(--ink);
    background: rgba(244, 247, 243, 0.98);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 14px;
  }

  .language-toggle {
    margin-left: auto;
  }

  .hero {
    min-height: 86vh;
    padding-top: 108px;
  }

  h1 {
    font-size: clamp(48px, 16vw, 74px);
  }

  .intro-grid,
  .split,
  .about-intro,
  .about-sticky-story,
  .about-recognition,
  .about-safety,
  .leader-grid,
  .profile-overview,
  .profile-proof-strip,
  .compliance-section,
  .intellectual-property,
  .solutions-intro,
  .solutions-showcase-grid,
  .solution-feature,
  .solution-mini-grid,
  .commercial-heading,
  .commercial-grid,
  .solution-strip,
  .application-grid,
  .track-grid,
  .capability-grid,
  .news-grid,
  .timeline,
  .cards,
  .tech-grid,
  .contact-layout,
  .article-layout {
    grid-template-columns: 1fr;
  }

  .case-layout {
    grid-template-columns: 1fr;
  }

  .solution-capabilities {
    grid-template-columns: 1fr;
  }

  .leader-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .solution-capabilities article {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  }

  .solution-project-bridge {
    align-items: flex-start;
    flex-direction: column;
  }

  .process div {
    grid-template-columns: repeat(2, 1fr);
  }

  .project-list article {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .site-footer {
    flex-direction: column;
  }

  .footer-cta-panel {
    grid-template-columns: 1fr 1fr;
  }

  .footer-cta-brand {
    grid-column: 1 / -1;
  }

  .track-card {
    min-height: 360px;
  }

  .case-hero {
    min-height: 70vh;
  }

  .news-hero {
    min-height: 82vh;
  }

  .about-hero {
    min-height: 82vh;
  }

  .about-sticky-media {
    position: relative;
    top: auto;
  }

  .about-story-panel {
    min-height: auto;
    padding: 56px 0;
  }

  .partner-logo-scroller {
    max-width: none;
  }

  .about-owner > img {
    position: relative;
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 3;
  }

  .about-owner {
    display: grid;
    grid-template-columns: 1fr;
    min-height: 0;
    padding: 0;
  }

  .foundation-visual {
    height: 480px;
  }

  .foundation-visual > img {
    position: absolute;
    inset: 0;
  }

  .about-owner > div {
    width: auto;
    margin: 0;
  }

  .foundation-panel {
    padding: 56px clamp(24px, 7vw, 64px) 64px;
  }

  .foundation-stats,
  .certificate-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .foundation-stats span,
  .foundation-stats span:first-child,
  .foundation-stats span:last-child {
    padding: 20px;
  }

  .foundation-stats span:nth-child(2n) {
    border-right: 0;
  }

  .foundation-stats span:nth-child(-n + 2) {
    border-bottom: 1px solid rgba(7, 31, 54, 0.12);
  }

  .certificate-card,
  .certificate-card.wide {
    grid-column: auto;
  }

  .compliance-section > div:first-child {
    position: relative;
    top: auto;
  }

  .ip-copy {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .ip-research-feature {
    grid-template-columns: 1fr;
  }

  .compliance-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .solutions-hero {
    min-height: 82vh;
  }

  .solutions-showcase-head {
    display: grid;
  }

  .solutions-menu {
    padding-right: 0;
    padding-bottom: 30px;
    border-right: 0;
    border-bottom: 1px dashed rgba(217, 236, 255, 0.42);
  }

  .commercial-heading .eyebrow,
  .commercial-heading h2,
  .commercial-heading p:last-child {
    grid-column: auto;
    grid-row: auto;
  }
}

@media (max-width: 520px) {
  .brand-logo {
    width: 120px;
  }

  .nav-toggle,
  .language-toggle {
    min-height: 36px;
    padding: 8px 11px;
    font-size: 12px;
  }

  .hero-actions {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .solution-detail-actions {
    display: grid;
  }

  .case-copy {
    padding: 24px;
  }

  .case-points article {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .partner-logo-scroller {
    padding-bottom: 14px;
  }

  .partner-logo-card {
    flex-basis: 168px;
    min-height: 96px;
    padding: 12px;
  }

  .partner-logo-card img {
    max-width: 136px;
    max-height: 56px;
  }

  .leader-grid {
    grid-template-columns: 1fr;
  }

  .fact-list p {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .process div {
    grid-template-columns: 1fr;
  }

  .business-tracks {
    padding-top: 58px;
  }

  .tracks-intro {
    text-align: left;
  }

  .tracks-intro h2 {
    font-size: 42px;
    line-height: 1.08;
  }

  .tracks-intro p:last-child {
    font-size: 18px;
  }

  .track-card {
    min-height: 420px;
  }

  .track-card div {
    padding: 24px;
  }

  .footer-cta {
    min-height: auto;
    padding: 120px 18px 24px;
  }

  .footer-cta-panel {
    grid-template-columns: 1fr;
    padding: 28px;
  }

  .footer-cta-links,
  .footer-cta-contact {
    padding-left: 0;
    padding-top: 22px;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .footer-cta-brand h2 {
    font-size: 42px;
  }

  .case-points article {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .about-hero-content h1 {
    font-size: 70px;
  }

  .about-hero-content p:last-child {
    font-size: 20px;
  }

  .about-intro h2,
  .about-partnerships h2,
  .about-recognition h2,
  .about-safety h2,
  .about-leadership h2,
  .about-owner h2,
  .profile-hero-content h1,
  .profile-overview h2,
  .certificate-heading h2,
  .compliance-section h2,
  .intellectual-property h2,
  .about-final-cta h2 {
    font-size: 40px;
  }

  .certificate-grid,
  .profile-proof-strip,
  .compliance-grid {
    grid-template-columns: 1fr;
  }

  .ip-heading h2 {
    font-size: 36px;
  }

  .foundation-visual {
    height: 360px;
  }

  .foundation-panel {
    padding: 44px 20px 50px;
  }

  .foundation-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin: 30px 0 26px;
  }

  .foundation-stats span,
  .foundation-stats span:first-child,
  .foundation-stats span:last-child {
    padding: 18px 12px;
  }

  .foundation-stats small {
    font-size: 11px;
  }

  .foundation-credentials {
    display: grid;
    gap: 12px;
    margin-bottom: 28px;
  }

  .ip-stack,
  .ip-stack--utility,
  .ip-stack--invention {
    grid-column: 1 / -1;
    min-height: 340px;
    padding-right: 16px;
    padding-left: 16px;
  }

  .ip-stack--utility,
  .ip-stack--invention {
    min-height: 390px;
  }

  .ip-stack--utility .ip-stack-cards,
  .ip-stack--invention .ip-stack-cards {
    min-height: 292px;
  }

  .ip-stack-cards {
    margin-right: -16px;
    margin-left: -16px;
  }

  .ip-stack-cards img {
    max-width: none;
  }

  .ip-stack-label strong {
    font-size: 38px;
  }

  .ip-stack--documents .ip-stack-label strong {
    font-size: 18px;
  }

  .ip-research-copy {
    padding: 38px 24px 42px;
  }

  .ip-research-copy h3 {
    font-size: clamp(32px, 9.5vw, 38px);
  }

  .ip-research-documents {
    grid-template-columns: 1fr;
    padding: 28px 24px 34px;
  }

  .ip-research-documents img {
    max-height: none;
  }

  .profile-hero {
    min-height: 82vh;
  }

  .profile-hero-content p:last-child {
    font-size: 20px;
  }

  .certificate-card {
    grid-template-rows: auto 1fr;
  }

  .certificate-card img {
    max-height: none;
  }

  .about-sticky-story {
    padding-top: 58px;
  }

  .about-story-panel span {
    font-size: 54px;
  }

  .about-safety {
    min-height: auto;
  }

  .solutions-hero-content h1 {
    font-size: 62px;
  }

  .solutions-hero-content p:last-child {
    font-size: 20px;
  }

  .solutions-intro h2,
  .solutions-showcase h2,
  .commercial-heading h2,
  .solutions-final-cta h2 {
    font-size: 40px;
  }

  .solution-feature img,
  .commercial-grid > img {
    aspect-ratio: 4 / 3;
  }

  .solution-mini-grid a {
    min-height: auto;
  }

  .commercial-list p {
    grid-template-columns: 42px 1fr;
    font-size: 19px;
  }

  .news-hero-content h1 {
    margin-bottom: 36px;
    font-size: 76px;
  }

  .news-card img {
    aspect-ratio: 4 / 3;
  }
}

html[lang="zh-CN"] h1,
html[lang="zh-CN"] h2,
html[lang="zh-CN"] h3,
html[lang="zh-CN"] .button,
html[lang="zh-CN"] .solutions-menu button {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Heiti SC", sans-serif;
  letter-spacing: 0;
  line-break: strict;
  overflow-wrap: normal;
  text-wrap: balance;
  word-break: normal;
}

html[lang="zh-CN"] .about-hero-content h1,
html[lang="zh-CN"] .solutions-hero-content h1,
html[lang="zh-CN"] .news-hero-content h1,
html[lang="zh-CN"] .projects-overview h1,
html[lang="zh-CN"] .technology-products-hero h1,
html[lang="zh-CN"] .page-hero h1 {
  max-width: min(1120px, 100%);
  font-size: clamp(44px, 5.8vw, 82px);
  font-weight: 800;
  line-height: 1.08;
  white-space: normal;
}

html[lang="zh-CN"] .case-hero h1,
html[lang="zh-CN"] .project-case-summary h1,
html[lang="zh-CN"] .news-article-hero h1 {
  max-width: 860px;
  font-size: clamp(38px, 4.6vw, 72px);
  font-weight: 800;
  line-height: 1.12;
}

html[lang="zh-CN"] .about-intro h2,
html[lang="zh-CN"] .about-partnerships h2,
html[lang="zh-CN"] .about-recognition h2,
html[lang="zh-CN"] .about-safety h2,
html[lang="zh-CN"] .about-leadership h2,
html[lang="zh-CN"] .about-owner h2,
html[lang="zh-CN"] .about-final-cta h2,
html[lang="zh-CN"] .solutions-intro h2,
html[lang="zh-CN"] .solutions-showcase h2,
html[lang="zh-CN"] .commercial-heading h2,
html[lang="zh-CN"] .solutions-final-cta h2,
html[lang="zh-CN"] .product-family-heading h2,
html[lang="zh-CN"] .product-applications h2,
html[lang="zh-CN"] .product-specifications h2,
html[lang="zh-CN"] .case-layout h2,
html[lang="zh-CN"] .cta-panel h2,
html[lang="zh-CN"] .project-case-story h2,
html[lang="zh-CN"] .project-case-gallery-heading h2,
html[lang="zh-CN"] .project-case-cta h2,
html[lang="zh-CN"] .product-detail-cta h2,
html[lang="zh-CN"] .footer-cta-brand h2 {
  max-width: 980px;
  font-size: clamp(34px, 4.4vw, 64px);
  font-weight: 800;
  line-height: 1.14;
}

html[lang="zh-CN"] .product-card-copy h3,
html[lang="zh-CN"] .project-card h3,
html[lang="zh-CN"] .news-card h2,
html[lang="zh-CN"] .leader-grid h3 {
  font-size: clamp(24px, 2vw, 32px);
  font-weight: 800;
  line-height: 1.18;
}
