:root {
  --brand-blue: #0a1f4d;
  --brand-blue-deep: #000066;
  --brand-red: #a20d16;
  --brand-red-dark: #820810;
  --ink: #18202b;
  --body: #4f5b67;
  --muted: #6d7782;
  --surface: #ffffff;
  --surface-alt: #f3f5f7;
  --surface-blue: #edf2f8;
  --line: #dce1e6;
  --success: #19704a;
  --warning: #9a5a00;
  --error: #b42318;
  --content: 1240px;
  --header-height: 76px;
  --radius: 6px;
  --shadow: 0 18px 48px rgba(16, 31, 59, 0.13);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--surface);
  font-family: Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

body.menu-open {
  overflow: hidden;
}

button,
input,
select,
textarea {
  font: inherit;
  letter-spacing: 0;
}

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

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

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

button {
  color: inherit;
}

:focus-visible {
  outline: 3px solid rgba(162, 13, 22, 0.4);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  color: #fff;
  background: var(--brand-blue);
  transform: translateY(-160%);
}

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

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

.section {
  padding: 88px 0;
}

.section-tight {
  padding: 64px 0;
}

.section-alt {
  background: var(--surface-alt);
}

.section-blue {
  color: #fff;
  background: var(--brand-blue);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 1.2fr);
  gap: 48px;
  align-items: end;
  margin-bottom: 38px;
}

.section-heading.single {
  display: block;
  max-width: 780px;
}

.section-heading h2,
.section-heading h1 {
  margin: 0;
  color: var(--brand-blue);
  font-size: 32px;
  line-height: 1.25;
  font-weight: 700;
}

.section-blue .section-heading h2,
.section-blue .section-heading h1 {
  color: #fff;
}

.section-heading p {
  margin: 0;
  color: var(--body);
}

.section-blue .section-heading p {
  color: rgba(255, 255, 255, 0.78);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  color: var(--brand-red);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 32px;
  height: 2px;
  background: currentColor;
  content: "";
}

.section-blue .eyebrow {
  color: #ffb5b9;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 11px 19px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.2;
  cursor: pointer;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  color: #fff;
  background: var(--brand-red);
  border-color: var(--brand-red);
}

.button-primary:hover {
  background: var(--brand-red-dark);
  border-color: var(--brand-red-dark);
}

.button-secondary {
  color: var(--brand-blue);
  background: #fff;
  border-color: var(--line);
}

.button-secondary:hover {
  border-color: var(--brand-blue);
}

.button-inverse {
  color: #fff;
  background: transparent;
  border-color: rgba(255, 255, 255, 0.65);
}

.button-inverse:hover {
  background: #fff;
  color: var(--brand-blue);
}

.button-link {
  min-height: 0;
  padding: 0;
  border: 0;
  color: var(--brand-red);
  background: transparent;
}

.button-link:hover {
  transform: none;
  text-decoration: underline;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.icon-button {
  display: inline-grid;
  width: 44px;
  height: 44px;
  padding: 0;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  cursor: pointer;
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: grid;
  width: min(calc(100% - 40px), 1380px);
  height: 100%;
  margin-inline: auto;
  grid-template-columns: auto 1fr auto;
  gap: 26px;
  align-items: center;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand img {
  width: 38px;
  height: 43px;
  object-fit: contain;
}

.brand-wordmark {
  display: grid;
  gap: 0;
  line-height: 1;
}

.brand-wordmark strong {
  color: var(--brand-blue-deep);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 24px;
}

.brand-wordmark small {
  margin-top: 5px;
  color: var(--muted);
  font-size: 8px;
  font-weight: 700;
}

.main-nav {
  display: flex;
  height: 100%;
  align-items: stretch;
  justify-content: center;
}

.nav-list {
  display: flex;
  height: 100%;
  margin: 0;
  padding: 0;
  align-items: stretch;
  list-style: none;
}

.nav-item {
  position: relative;
  display: flex;
  align-items: stretch;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0 13px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}

.nav-link::after {
  position: absolute;
  right: 13px;
  bottom: -1px;
  left: 13px;
  height: 3px;
  background: transparent;
  content: "";
}

.nav-link:hover,
.nav-link.active {
  color: var(--brand-blue);
}

.nav-link.active::after,
.nav-item:hover > .nav-link::after,
.nav-item:focus-within > .nav-link::after {
  background: var(--brand-red);
}

.nav-caret {
  margin-left: 5px;
  color: var(--muted);
  font-size: 11px;
}

.nav-dropdown {
  position: absolute;
  top: calc(100% - 1px);
  left: 50%;
  visibility: hidden;
  width: 310px;
  padding: 12px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translate(-50%, 8px);
  transition: opacity 150ms ease, transform 150ms ease, visibility 150ms ease;
}

@media (min-width: 901px) {
  .nav-item:hover .nav-dropdown,
  .nav-item:focus-within .nav-dropdown {
    visibility: visible;
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

.nav-dropdown a {
  display: flex;
  min-height: 42px;
  align-items: center;
  justify-content: space-between;
  padding: 9px 11px;
  border-radius: 3px;
  color: var(--body);
  font-size: 14px;
}

.nav-dropdown a:hover,
.nav-dropdown a:focus-visible {
  color: var(--brand-blue);
  background: var(--surface-blue);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.language-switch {
  display: flex;
  min-width: 92px;
  align-items: center;
  justify-content: center;
  gap: 5px;
  color: var(--muted);
  font-size: 13px;
}

.language-switch button {
  padding: 4px 2px;
  border: 0;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
}

.language-switch button.active {
  color: var(--brand-red);
  font-weight: 700;
}

.header-quote {
  min-height: 42px;
  padding-inline: 16px;
}

.menu-toggle {
  display: none;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 2px 0;
  background: var(--brand-blue);
}

.hero {
  position: relative;
  display: flex;
  min-height: min(720px, calc(100svh - 132px));
  overflow: hidden;
  align-items: center;
  color: #fff;
  background: var(--brand-blue);
}

.hero-media,
.hero-media::after {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-media::after {
  background: rgba(3, 18, 42, 0.67);
  content: "";
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(780px, 70%);
  padding: 72px 0;
}

.hero-brand {
  display: inline-flex;
  margin-bottom: 22px;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
}

.hero-brand::before {
  width: 34px;
  height: 3px;
  flex: 0 0 34px;
  background: #df3039;
  content: "";
}

.hero-brand span {
  width: auto;
  height: auto;
  background: transparent;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: 48px;
  line-height: 1.16;
  font-weight: 700;
}

.hero p {
  max-width: 690px;
  margin: 24px 0 32px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 18px;
  line-height: 1.75;
}

.hero .button-secondary {
  color: #fff;
  background: transparent;
  border-color: rgba(255, 255, 255, 0.65);
}

.hero .button-secondary:hover {
  color: var(--brand-blue);
  background: #fff;
}

.hero-caption {
  position: absolute;
  z-index: 2;
  right: max(24px, calc((100% - var(--content)) / 2));
  bottom: 24px;
  padding: 7px 10px;
  color: rgba(255, 255, 255, 0.8);
  background: rgba(0, 0, 0, 0.48);
  font-size: 12px;
}

.metric-band {
  background: #fff;
  border-bottom: 1px solid var(--line);
}

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

.metric {
  min-height: 142px;
  padding: 28px 30px;
  border-right: 1px solid var(--line);
}

.metric:first-child {
  border-left: 1px solid var(--line);
}

.metric strong {
  display: block;
  margin-bottom: 5px;
  color: var(--brand-blue);
  font-size: 27px;
  line-height: 1.2;
}

.metric span {
  color: var(--body);
  font-size: 14px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.product-card,
.industry-card,
.project-card {
  position: relative;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.product-card:hover,
.industry-card:hover,
.project-card:hover {
  border-color: #aeb9c4;
  box-shadow: 0 13px 30px rgba(21, 39, 67, 0.1);
  transform: translateY(-3px);
}

.card-media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #e8edf2;
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 240ms ease;
}

.product-card:hover .card-media img,
.industry-card:hover .card-media img,
.project-card:hover .card-media img {
  transform: scale(1.025);
}

.card-body {
  padding: 22px;
}

.card-kicker {
  margin-bottom: 8px;
  color: var(--brand-red);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.card-body h3 {
  margin: 0 0 9px;
  color: var(--brand-blue);
  font-size: 20px;
  line-height: 1.35;
}

.card-body p {
  margin: 0 0 16px;
  color: var(--body);
  font-size: 14px;
}

.card-action {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--brand-red);
  font-size: 14px;
  font-weight: 700;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 14px 0;
}

.tag {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 4px 9px;
  color: var(--brand-blue);
  background: var(--surface-blue);
  border: 1px solid #d2dce7;
  border-radius: 3px;
  font-size: 12px;
  font-weight: 600;
}

.tag.red {
  color: var(--brand-red);
  background: #fff0f1;
  border-color: #f2c5c8;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  border-top: 1px solid rgba(255, 255, 255, 0.22);
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
}

.process-step {
  min-height: 154px;
  padding: 24px 16px;
  border: 0;
  border-right: 1px solid rgba(255, 255, 255, 0.18);
  color: rgba(255, 255, 255, 0.7);
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.process-step:last-child {
  border-right: 0;
}

.process-step.active,
.process-step:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.process-step b {
  display: block;
  margin-bottom: 22px;
  color: #ff9ea4;
  font-size: 13px;
}

.process-step span {
  display: block;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
}

.process-detail {
  display: grid;
  margin-top: 32px;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.8fr);
  gap: 44px;
  align-items: center;
}

.process-detail p {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
}

.process-detail strong {
  display: block;
  margin-bottom: 8px;
  color: #fff;
  font-size: 22px;
}

.capability-layout {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 48px;
  align-items: stretch;
}

.capability-tabs {
  display: grid;
  align-content: start;
  border-top: 1px solid var(--line);
}

.capability-tab {
  display: grid;
  min-height: 72px;
  padding: 15px 0;
  grid-template-columns: 34px 1fr auto;
  gap: 12px;
  align-items: center;
  border: 0;
  border-bottom: 1px solid var(--line);
  color: var(--body);
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.capability-tab b {
  color: var(--brand-red);
  font-size: 12px;
}

.capability-tab span {
  font-weight: 700;
}

.capability-tab.active {
  color: var(--brand-blue);
}

.capability-tab.active::after {
  color: var(--brand-red);
  content: "→";
}

.capability-panel {
  display: grid;
  min-height: 500px;
  grid-template-rows: minmax(0, 1fr) auto;
  overflow: hidden;
  background: var(--surface-alt);
  border-radius: var(--radius);
}

.capability-panel img {
  width: 100%;
  height: 100%;
  min-height: 360px;
  object-fit: cover;
}

.capability-copy {
  padding: 24px 28px;
}

.capability-copy h3 {
  margin: 0 0 8px;
  color: var(--brand-blue);
  font-size: 22px;
}

.capability-copy p {
  margin: 0;
  color: var(--body);
}

.logo-wall {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.logo-wall span {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 10px 17px;
  color: var(--body);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 3px;
  font-size: 14px;
  font-weight: 700;
}

.standards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 42px;
}

.standard-item {
  padding: 24px;
  border-left: 4px solid var(--brand-red);
  background: var(--surface-alt);
}

.standard-item strong {
  display: block;
  margin-bottom: 6px;
  color: var(--brand-blue);
  font-size: 18px;
}

.standard-item p {
  margin: 0;
  color: var(--body);
  font-size: 14px;
}

.cta-band {
  position: relative;
  overflow: hidden;
  color: #fff;
  background: var(--brand-red);
}

.cta-inner {
  display: grid;
  min-height: 280px;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 40px;
  align-items: center;
}

.cta-band h2 {
  max-width: 760px;
  margin: 0 0 12px;
  font-size: 32px;
  line-height: 1.25;
}

.cta-band p {
  max-width: 720px;
  margin: 0;
  color: rgba(255, 255, 255, 0.86);
}

.page-hero {
  position: relative;
  min-height: 330px;
  overflow: hidden;
  color: #fff;
  background: var(--brand-blue);
}

.page-hero-media,
.page-hero-media::after {
  position: absolute;
  inset: 0;
}

.page-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-hero-media::after {
  background: rgba(2, 18, 47, 0.76);
  content: "";
}

.page-hero .container {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 330px;
  padding-block: 64px;
  align-items: flex-end;
}

.page-hero h1 {
  max-width: 820px;
  margin: 0 0 12px;
  font-size: 40px;
  line-height: 1.2;
}

.page-hero p {
  max-width: 760px;
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 24px;
  color: rgba(255, 255, 255, 0.66);
  font-size: 13px;
}

.breadcrumb a:hover {
  color: #fff;
  text-decoration: underline;
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.9fr);
  gap: 56px;
  align-items: center;
}

.split-layout.reverse > :first-child {
  order: 2;
}

.split-layout h2,
.split-layout h1 {
  margin: 0 0 16px;
  color: var(--brand-blue);
  font-size: 32px;
  line-height: 1.3;
}

.split-layout p {
  color: var(--body);
}

.feature-image {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #e8edf2;
  border-radius: var(--radius);
}

.feature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-image button {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  background: transparent;
  cursor: zoom-in;
}

.fact-list {
  display: grid;
  margin: 24px 0;
  padding: 0;
  gap: 12px;
  list-style: none;
}

.fact-list li {
  position: relative;
  padding-left: 24px;
  color: var(--body);
}

.fact-list li::before {
  position: absolute;
  top: 10px;
  left: 2px;
  width: 7px;
  height: 7px;
  background: var(--brand-red);
  content: "";
}

.faq-list {
  display: grid;
  margin-top: 40px;
  border-top: 1px solid var(--line);
}

.faq-list details {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  color: var(--brand-blue);
  cursor: pointer;
  font-weight: 700;
}

.faq-list p {
  margin: 12px 0 0;
  color: var(--body);
}

.filter-bar {
  display: grid;
  padding: 22px;
  grid-template-columns: repeat(3, minmax(0, 1fr)) minmax(220px, 1.2fr) auto;
  gap: 14px;
  align-items: end;
  background: var(--surface-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.field {
  display: grid;
  gap: 7px;
}

.field label,
.field .field-label {
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  border: 1px solid #b9c2cc;
  border-radius: 4px;
  color: var(--ink);
  background: #fff;
}

.field textarea {
  min-height: 120px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--brand-blue);
  outline: 3px solid rgba(10, 31, 77, 0.12);
}

.field .error-message {
  min-height: 18px;
  color: var(--error);
  font-size: 12px;
}

.field.has-error input,
.field.has-error select,
.field.has-error textarea {
  border-color: var(--error);
}

.result-meta {
  display: flex;
  margin: 22px 0;
  align-items: center;
  justify-content: space-between;
  color: var(--body);
  font-size: 14px;
}

.empty-state {
  padding: 64px 24px;
  border: 1px solid var(--line);
  text-align: center;
}

.empty-state h3 {
  margin: 0 0 8px;
  color: var(--brand-blue);
}

.empty-state p {
  margin: 0 0 20px;
  color: var(--body);
}

.finder {
  padding: 30px;
  background: var(--brand-blue);
  border-radius: var(--radius);
}

.finder h2 {
  margin: 0 0 8px;
  color: #fff;
  font-size: 26px;
}

.finder > p {
  margin: 0 0 24px;
  color: rgba(255, 255, 255, 0.75);
}

.finder-fields {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) auto;
  gap: 14px;
  align-items: end;
}

.finder .field label {
  color: #fff;
}

.finder-result {
  margin-top: 22px;
  padding: 20px;
  background: #fff;
  border-radius: 4px;
}

.finder-result[hidden] {
  display: none;
}

.finder-result h3 {
  margin: 0 0 8px;
  color: var(--brand-blue);
}

.finder-result p {
  margin: 0 0 15px;
  color: var(--body);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 15px;
}

.gallery-item {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  padding: 0;
  border: 0;
  border-radius: 4px;
  background: #e8edf2;
  cursor: zoom-in;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 200ms ease;
}

.gallery-item:hover img {
  transform: scale(1.025);
}

.gallery-item span {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 22px 12px 9px;
  color: #fff;
  background: rgba(2, 16, 37, 0.76);
  font-size: 12px;
  text-align: left;
}

.anchor-nav {
  position: sticky;
  z-index: 30;
  top: var(--header-height);
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.anchor-nav .container {
  display: flex;
  overflow-x: auto;
  scrollbar-width: none;
}

.anchor-nav a {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  padding: 0 16px;
  color: var(--body);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.anchor-nav a:hover {
  color: var(--brand-red);
}

.engineering-section {
  scroll-margin-top: 132px;
}

.media-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}

.media-strip > .gallery-grid {
  grid-column: 1 / -1;
  grid-template-columns: inherit;
}

.media-strip .gallery-item:nth-child(1) {
  grid-column: span 2;
}

.timeline {
  display: grid;
  margin: 34px 0 0;
  padding: 0;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  list-style: none;
}

.timeline li {
  position: relative;
  padding: 24px 18px 0 0;
  border-top: 2px solid var(--line);
}

.timeline li::before {
  position: absolute;
  top: -7px;
  left: 0;
  width: 12px;
  height: 12px;
  background: var(--brand-red);
  border: 3px solid #fff;
  box-shadow: 0 0 0 1px var(--brand-red);
  content: "";
}

.timeline b {
  display: block;
  color: var(--brand-blue);
}

.timeline span {
  color: var(--body);
  font-size: 13px;
}

.quote-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(300px, 0.75fr);
  gap: 44px;
  align-items: start;
}

.quote-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.quote-form .field.full,
.quote-form > h2,
.quote-form > .finder-fields,
.quote-form .form-actions,
.quote-form .form-notice {
  grid-column: 1 / -1;
}

.quote-form > .finder-fields {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.quote-form .field-wide {
  grid-column: 1 / -1;
}

.form-notice {
  padding: 14px 16px;
  color: var(--brand-blue);
  background: var(--surface-blue);
  border-left: 4px solid var(--brand-blue);
  font-size: 13px;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.quote-sidebar {
  position: sticky;
  top: 110px;
}

.contact-panel {
  padding: 26px;
  color: #fff;
  background: var(--brand-blue);
}

.contact-panel h2,
.contact-panel h3 {
  margin: 0 0 12px;
  color: #fff;
}

.contact-panel p {
  color: rgba(255, 255, 255, 0.72);
}

.contact-list {
  display: grid;
  margin: 24px 0 0;
  gap: 18px;
}

.contact-entry {
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.contact-entry small {
  display: block;
  color: rgba(255, 255, 255, 0.6);
}

.contact-entry a,
.contact-entry strong {
  display: block;
  margin-top: 3px;
  color: #fff;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.summary-panel {
  margin-top: 24px;
  padding: 24px;
  border: 1px solid #b9d8c8;
  background: #f2faf6;
}

.summary-panel[hidden] {
  display: none;
}

.summary-panel h3 {
  margin: 0 0 8px;
  color: var(--success);
}

.summary-panel pre {
  margin: 16px 0;
  padding: 16px;
  overflow-x: auto;
  white-space: pre-wrap;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  font-family: Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.7;
}

.about-lead {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  gap: 56px;
  align-items: start;
}

.about-lead blockquote {
  margin: 0;
  padding: 26px;
  color: var(--brand-blue);
  background: var(--surface-blue);
  border-left: 4px solid var(--brand-red);
  font-size: 20px;
  font-weight: 700;
}

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

.value-item {
  min-height: 190px;
  padding: 26px;
  background: #fff;
  border-top: 4px solid var(--brand-blue);
}

.value-item b {
  display: block;
  margin-bottom: 12px;
  color: var(--brand-red);
  font-size: 12px;
}

.value-item h3 {
  margin: 0 0 9px;
  color: var(--brand-blue);
  font-size: 19px;
}

.value-item p {
  margin: 0;
  color: var(--body);
  font-size: 14px;
}

.site-footer {
  color: #fff;
  background: #071632;
}

.footer-grid {
  display: grid;
  padding: 62px 0 42px;
  grid-template-columns: 1.25fr repeat(3, 0.75fr) 1.15fr;
  gap: 36px;
}

.footer-brand .brand {
  color: #fff;
}

.footer-brand .brand-wordmark strong,
.footer-brand .brand-wordmark small {
  color: #fff;
}

.footer-brand p {
  max-width: 310px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 14px;
}

.footer-column h3 {
  margin: 0 0 16px;
  color: #fff;
  font-size: 14px;
}

.footer-column a,
.footer-column span {
  display: block;
  margin: 8px 0;
  color: rgba(255, 255, 255, 0.64);
  font-size: 13px;
  overflow-wrap: anywhere;
}

.footer-column a:hover {
  color: #fff;
}

.footer-bottom {
  display: flex;
  min-height: 62px;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.52);
  font-size: 12px;
}

.back-to-top {
  position: fixed;
  z-index: 80;
  right: 22px;
  bottom: 22px;
  visibility: hidden;
  color: #fff;
  background: var(--brand-blue);
  border-color: var(--brand-blue);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 150ms ease, transform 150ms ease, visibility 150ms ease;
}

.back-to-top.visible {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
}

.lightbox {
  width: min(1100px, calc(100% - 32px));
  max-width: none;
  height: min(820px, calc(100% - 32px));
  max-height: none;
  padding: 0;
  overflow: hidden;
  border: 0;
  background: #081326;
}

.lightbox::backdrop {
  background: rgba(0, 0, 0, 0.82);
}

.lightbox-shell {
  position: relative;
  display: grid;
  width: 100%;
  height: 100%;
  padding: 56px 70px 30px;
  place-items: center;
}

.lightbox figure {
  display: grid;
  width: 100%;
  height: 100%;
  margin: 0;
  grid-template-rows: minmax(0, 1fr) auto;
  gap: 14px;
  place-items: center;
}

.lightbox figure img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.lightbox figcaption {
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
  text-align: center;
}

.lightbox .icon-button {
  position: absolute;
  z-index: 1;
  color: #fff;
  background: rgba(0, 0, 0, 0.35);
  border-color: rgba(255, 255, 255, 0.32);
}

.lightbox-close {
  top: 12px;
  right: 12px;
  font-size: 24px;
}

.lightbox-prev {
  top: 50%;
  left: 12px;
}

.lightbox-next {
  top: 50%;
  right: 12px;
}

.toast {
  position: fixed;
  z-index: 200;
  right: 20px;
  bottom: 82px;
  visibility: hidden;
  max-width: min(360px, calc(100% - 40px));
  padding: 12px 16px;
  color: #fff;
  background: var(--success);
  border-radius: 4px;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 150ms ease, transform 150ms ease, visibility 150ms ease;
}

.toast.visible {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
}

.toast.error {
  background: var(--error);
}

.loading-placeholder {
  display: grid;
  min-height: 260px;
  place-items: center;
  color: var(--muted);
  background: var(--surface-alt);
}

@media (max-width: 1180px) {
  .header-inner {
    gap: 14px;
  }

  .nav-link {
    padding-inline: 9px;
    font-size: 13px;
  }

  .nav-link::after {
    right: 9px;
    left: 9px;
  }

  .brand-wordmark small,
  .header-quote {
    display: none;
  }

  .footer-grid {
    grid-template-columns: 1.3fr repeat(3, 0.8fr);
  }

  .footer-grid .footer-column:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 900px) {
  :root {
    --header-height: 68px;
  }

  .container {
    width: min(calc(100% - 32px), var(--content));
  }

  .section {
    padding: 72px 0;
  }

  .header-inner {
    grid-template-columns: auto 1fr auto;
  }

  .menu-toggle {
    display: inline-grid;
    grid-column: 3;
  }

  .main-nav {
    position: fixed;
    z-index: 110;
    top: var(--header-height);
    right: 0;
    bottom: 0;
    left: 0;
    visibility: hidden;
    display: block;
    padding: 12px 16px 120px;
    overflow-y: auto;
    background: #fff;
    opacity: 0;
    transform: translateX(100%);
    transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
  }

  body.menu-open .main-nav {
    visibility: visible;
    opacity: 1;
    transform: translateX(0);
  }

  .nav-list {
    display: block;
    height: auto;
  }

  .nav-item {
    display: block;
    border-bottom: 1px solid var(--line);
  }

  .nav-link {
    display: flex;
    min-height: 54px;
    padding: 0 6px;
    justify-content: space-between;
    font-size: 16px;
  }

  .nav-link::after {
    display: none;
  }

  .nav-dropdown {
    position: static;
    visibility: visible;
    display: none;
    width: 100%;
    padding: 0 0 12px 12px;
    border: 0;
    box-shadow: none;
    opacity: 1;
    transform: none;
  }

  .nav-item.dropdown-open .nav-dropdown {
    display: block;
  }

  .nav-dropdown a {
    min-height: 44px;
  }

  .header-actions {
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
  }

  .hero {
    min-height: min(680px, calc(100svh - 110px));
  }

  .hero-content {
    width: min(760px, 86%);
  }

  .hero h1 {
    font-size: 40px;
  }

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

  .metric:nth-child(3) {
    border-left: 1px solid var(--line);
  }

  .metric:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

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

  .section-heading,
  .split-layout,
  .about-lead,
  .quote-layout,
  .capability-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .split-layout.reverse > :first-child {
    order: initial;
  }

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

  .process-step:nth-child(4) {
    border-right: 0;
  }

  .process-step:nth-child(-n + 4) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  }

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

  .filter-bar,
  .finder-fields {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

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

  .quote-sidebar {
    position: static;
  }

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

  .footer-brand,
  .footer-grid .footer-column:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 600px) {
  body {
    font-size: 15px;
  }

  .section {
    padding: 58px 0;
  }

  .section-tight {
    padding: 48px 0;
  }

  .brand-wordmark strong {
    font-size: 22px;
  }

  .brand img {
    width: 34px;
    height: 39px;
  }

  .language-switch {
    min-width: 78px;
  }

  .hero {
    min-height: calc(100svh - 116px);
    max-height: 700px;
  }

  .hero-media img {
    object-position: 56% center;
  }

  .hero-content {
    width: calc(100% - 32px);
    margin-inline: auto;
    padding: 58px 0 72px;
  }

  .hero h1 {
    font-size: 30px;
    line-height: 1.22;
  }

  .hero p {
    margin-block: 18px 26px;
    font-size: 16px;
  }

  .hero-caption {
    display: none;
  }

  .button-row .button {
    flex: 1 1 160px;
  }

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

  .metric {
    min-height: 126px;
    padding: 22px 16px;
  }

  .metric strong {
    font-size: 22px;
  }

  .section-heading {
    display: block;
    margin-bottom: 28px;
  }

  .section-heading h2,
  .split-layout h2 {
    margin-bottom: 12px;
    font-size: 25px;
  }

  .card-grid,
  .value-grid,
  .standards-grid,
  .filter-bar,
  .finder-fields,
  .quote-form {
    grid-template-columns: 1fr;
  }

  .quote-form > .finder-fields {
    grid-template-columns: 1fr;
  }

  .filter-bar .button,
  .finder-fields .button {
    width: 100%;
  }

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

  .process-step {
    display: grid;
    min-height: 70px;
    padding: 14px 12px;
    grid-template-columns: 36px 1fr;
    align-items: center;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  }

  .process-step b {
    margin: 0;
  }

  .capability-panel {
    min-height: 420px;
  }

  .capability-panel img {
    min-height: 270px;
  }

  .page-hero,
  .page-hero .container {
    min-height: 290px;
  }

  .page-hero .container {
    padding-block: 46px;
  }

  .page-hero h1 {
    font-size: 28px;
  }

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

  .media-strip .gallery-item:nth-child(1) {
    grid-column: span 2;
  }

  .timeline {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .timeline li {
    min-height: 84px;
    padding: 12px 0 12px 28px;
    border-top: 0;
    border-left: 2px solid var(--line);
  }

  .timeline li::before {
    top: 17px;
    left: -7px;
  }

  .quote-form .field.full,
  .quote-form .form-actions,
  .quote-form .form-notice {
    grid-column: auto;
  }

  .cta-inner {
    min-height: 330px;
    grid-template-columns: 1fr;
    gap: 24px;
    align-content: center;
  }

  .cta-band h2 {
    font-size: 25px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    padding-top: 48px;
  }

  .footer-brand,
  .footer-grid .footer-column:last-child {
    grid-column: auto;
  }

  .footer-bottom {
    display: block;
    padding: 18px 0;
  }

  .footer-bottom span {
    display: block;
    margin: 4px 0;
  }

  .lightbox-shell {
    padding: 58px 16px 24px;
  }

  .lightbox-prev,
  .lightbox-next {
    top: auto;
    bottom: 16px;
  }

  .lightbox figcaption {
    padding: 0 46px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}