* {
  box-sizing: border-box;
}

html {
  color-scheme: light;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, "Microsoft YaHei", sans-serif;
  color: #142033;
  background: #f4f8fb;
  line-height: 1.65;
  letter-spacing: 0;
}

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

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

p,
h1,
h2,
h3 {
  margin-top: 0;
}

main {
  overflow: hidden;
}

.topbar-inner,
.header-inner,
.catalog-nav-inner,
main > section,
main > article,
.footer-inner {
  width: min(1180px, calc(100vw - 40px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: #fff;
  border-bottom: 1px solid #c7d6e2;
}

.industrial-topbar {
  background: #f6f9fc;
  border-bottom: 1px solid #dbe6ef;
}

.topbar-inner {
  min-height: 32px;
  display: flex;
  justify-content: flex-end;
  gap: 22px;
  align-items: center;
  font-size: 12px;
  color: #41546a;
}

.region-selector,
.topbar-note {
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  padding: 0 13px;
  border-left: 1px solid #d4e1eb;
}

.region-selector::before {
  content: "";
  width: 16px;
  height: 10px;
  margin-right: 8px;
  background: linear-gradient(#e2473d 0 33%, #fff 33% 66%, #0c5491 66% 100%);
  border: 1px solid #cad6e0;
}

.header-inner {
  min-height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-weight: 800;
  color: #10253c;
}

.brand img {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
}

.brand span {
  max-width: 230px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.industrial-tools {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.search-rail {
  min-width: min(420px, 42vw);
  min-height: 36px;
  display: flex;
  align-items: stretch;
  border: 1px solid #d1dee8;
  background: #f7fbfe;
  color: #748296;
  font-size: 12px;
}

.search-rail span {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  padding: 0 14px;
}

.search-rail a {
  min-width: 72px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-left: 1px solid #d1dee8;
  color: #0b4d78;
  font-weight: 800;
}

.service-line {
  white-space: nowrap;
  color: #0f2d46;
  font-weight: 900;
}

.service-line::before {
  content: "●";
  color: #ef5338;
  margin-right: 7px;
}

.catalog-nav-row {
  border-top: 1px solid #dbe6ef;
}

.catalog-nav-inner {
  min-height: 43px;
  display: flex;
  align-items: center;
  gap: 18px;
  justify-content: flex-end;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 0;
  border: 0;
  background: #fff;
}

.desktop-nav a,
.header-cta,
.button,
.mobile-cta,
.text-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.desktop-nav a {
  min-height: 43px;
  padding: 0 15px;
  color: #0f2d46;
  font-size: 13px;
  font-weight: 900;
  border-left: 1px solid #d9e4ed;
}

.desktop-nav a[aria-current="page"] {
  color: #005d9f;
  background: #eef6fb;
}

.header-cta,
.button,
.mobile-cta {
  padding: 0 18px;
  border: 1px solid #ef5338;
  background: #ef5338;
  color: #fff;
  font-weight: 700;
}

.button.secondary {
  background: #fff;
  border-color: #0b6fb0;
  color: #0e5175;
}

.mobile-nav {
  display: none;
  position: relative;
}

.mobile-nav summary {
  list-style: none;
  cursor: pointer;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 0 14px;
  border: 1px solid #c9dceb;
  background: #fff;
  color: #14334d;
  font-weight: 700;
}

.mobile-nav summary::-webkit-details-marker {
  display: none;
}

.mobile-nav summary i,
.mobile-nav summary i::before,
.mobile-nav summary i::after {
  width: 16px;
  height: 2px;
  background: #14334d;
  display: block;
  content: "";
}

.mobile-nav summary i {
  position: relative;
}

.mobile-nav summary i::before {
  position: absolute;
  top: -6px;
}

.mobile-nav summary i::after {
  position: absolute;
  top: 6px;
}

.mobile-panel {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: min(360px, calc(100vw - 40px));
  max-height: calc(100vh - 92px);
  overflow: auto;
  padding: 16px;
  background: #fff;
  border: 1px solid #c9dceb;
  box-shadow: 0 24px 60px rgba(20, 32, 51, 0.16);
}

.mobile-panel-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: baseline;
  padding-bottom: 12px;
  border-bottom: 1px solid #dbe8f2;
}

.mobile-panel-head span {
  color: #66798b;
  font-size: 13px;
}

.mobile-panel nav {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.mobile-panel a {
  min-height: 46px;
  display: flex;
  align-items: center;
  padding: 0 12px;
  background: #f3f8fc;
  border: 1px solid #dfebf3;
}

.mobile-panel a[aria-current="page"] {
  border-color: #7fb0d1;
  color: #0b4d78;
}

.eyebrow,
.resource-meta {
  margin-bottom: 12px;
  color: #0e6f9f;
  font-weight: 800;
  font-size: 13px;
}

h1 {
  font-size: clamp(34px, 4.2vw, 50px);
  line-height: 1.08;
  letter-spacing: 0;
  color: #0068b5;
  margin-bottom: 22px;
}

h2 {
  font-size: clamp(25px, 3.2vw, 44px);
  line-height: 1.1;
  color: #10243a;
}

h3 {
  color: #10243a;
  line-height: 1.18;
}

.engineering-hero {
  width: 100%;
  min-height: 386px;
  margin: 0;
  padding: 56px max(40px, calc((100vw - 1180px) / 2)) 48px;
  display: flex;
  align-items: center;
  background:
    linear-gradient(90deg, rgba(19, 47, 70, 0.22), rgba(19, 47, 70, 0.05)),
    var(--hero-image, url("../images/placeholder-hero.jpg")) center / cover;
}

.hero-copy,
.support-router,
.product-gateway,
.engineering-process,
.resource-hub-preview,
.technical-intake,
.page-title,
.service-catalog-layout,
.application-doorways,
.support-after-catalog,
.market-fit-panel,
.resource-proof-board,
.about-process,
.resource-category-map,
.resource-index,
.contact-intent-router,
.technical-contact-panel,
.contact-resource-fallback,
.policy-panel,
.sitemap-panel,
.technical-sitemap-router,
.notfound-route,
.technical-article {
  background: #fff;
  border: 1px solid #d8e6f0;
}

.hero-copy {
  width: min(520px, calc(100vw - 80px));
  padding: clamp(24px, 3.8vw, 36px);
  min-height: 292px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: #fff;
  border: 0;
}

.hero-copy > p:not(.eyebrow) {
  max-width: 460px;
  font-size: 14px;
  line-height: 1.7;
  color: #425265;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 14px;
}

.support-router {
  padding: 24px;
  display: grid;
  align-content: end;
  gap: 12px;
  background: #0f2d46;
  color: #d8eaf6;
}

.support-router-head {
  margin-bottom: auto;
  padding-bottom: 22px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.support-router-head span,
.support-router a {
  color: #9bc6e2;
}

.support-router-head strong {
  display: block;
  color: #fff;
  font-size: 24px;
  line-height: 1.18;
  margin-top: 8px;
}

.support-router a {
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.support-router a::after {
  content: "→";
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  width: 100%;
  margin: 0;
  padding: 0 max(40px, calc((100vw - 980px) / 2));
  background: #00477a;
  border: 0;
}

.proof-strip article,
.doorway-triad article,
.catalog-card,
.resource-card,
.contact-intent-router article {
  background: #fff;
}

.proof-strip article {
  min-height: 74px;
  padding: 14px 20px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 12px;
  align-items: center;
  background: transparent;
  color: #fff;
}

.proof-strip article + article {
  border-left: 1px solid rgba(255, 255, 255, 0.2);
}

.proof-strip strong {
  color: #fff;
  font-size: clamp(25px, 3vw, 31px);
  line-height: 1;
}

.proof-strip span {
  display: block;
  color: #fff;
  font-weight: 900;
}

.proof-strip p {
  grid-column: 2;
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 12px;
  line-height: 1.35;
}

.catalog-card span,
.contact-intent-router span,
.policy-panel span {
  color: #0e6f9f;
  font-weight: 800;
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 24px;
}

.section-heading h2 {
  max-width: 760px;
  margin-bottom: 0;
}

.product-gateway,
.engineering-process,
.resource-hub-preview,
.technical-intake {
  margin-top: 22px;
  padding: clamp(24px, 4vw, 42px);
}

.gateway-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 18px;
}

.gateway-search {
  padding: 24px;
  background: #edf6fc;
  border-left: 5px solid #0e6f9f;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 230px;
}

.gateway-search span,
.doorway-triad span,
.resource-type-bar span,
.service-catalog-layout aside span,
.resource-index aside span {
  color: #0e6f9f;
  font-weight: 800;
}

.gateway-search strong {
  font-size: 21px;
  line-height: 1.2;
}

.catalog-grid,
.resource-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.catalog-card {
  min-height: 230px;
  padding: 22px;
  border: 1px solid #d8e6f0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.catalog-card span {
  width: 38px;
  height: 6px;
  background: linear-gradient(90deg, #0e6f9f, #9bc6e2);
}

.catalog-card a,
.text-link {
  margin-top: auto;
  color: #0e6f9f;
  font-weight: 800;
}

.doorway-triad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 22px;
}

.doorway-triad article {
  padding: 28px;
  border: 1px solid #d8e6f0;
  min-height: 320px;
  display: flex;
  flex-direction: column;
}

.doorway-triad a {
  margin-top: auto;
  color: #0e6f9f;
  font-weight: 800;
}

.engineering-process {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 28px;
}

.process-intro {
  position: sticky;
  top: 132px;
  align-self: start;
}

.process-steps {
  display: grid;
  gap: 10px;
}

.process-steps article {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  column-gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid #dce8f2;
}

.process-steps article:last-child {
  border-bottom: 0;
}

.process-steps span {
  color: #0e6f9f;
  font-weight: 900;
}

.process-steps p {
  grid-column: 2;
}

.resource-type-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1px;
  background: #d6e6f1;
  border: 1px solid #d6e6f1;
  margin-bottom: 16px;
}

.resource-type-bar span {
  background: #f6fbfe;
  padding: 14px;
}

.resource-card {
  border: 1px solid #d8e6f0;
  display: grid;
  grid-template-rows: 160px 1fr;
}

.technical-resource-row {
  grid-template-columns: 180px minmax(0, 1fr);
  grid-template-rows: auto;
  min-height: 150px;
}

.resource-image {
  background: #e8f3fb;
  overflow: hidden;
}

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

.resource-card > div {
  padding: 20px;
}

.technical-resource-row > div {
  display: grid;
  align-content: center;
}

.technical-resource-row .text-link {
  margin-top: 10px;
  justify-self: start;
}

.contact-resource-fallback {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: #0f2d46;
  color: #dbeefa;
  border-color: #0f2d46;
}

.contact-resource-fallback h2 {
  color: #fff;
}

.contact-resource-fallback p {
  max-width: 680px;
  margin: 8px 0 0;
  color: #b9d8eb;
}

.contact-resource-fallback .eyebrow {
  color: #9bc6e2;
}

.technical-intake {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.52fr);
  gap: 24px;
  align-items: stretch;
}

.intake-panel {
  background: #12314b;
  color: #dbeefa;
  padding: 24px;
  display: grid;
  gap: 10px;
}

.intake-panel span {
  color: #9bc6e2;
  font-weight: 800;
}

.intake-panel a {
  min-height: 48px;
  display: flex;
  align-items: center;
  border: 1px solid rgba(255,255,255,0.18);
  padding: 0 14px;
}

.support-band {
  margin-top: 24px;
  padding: clamp(24px, 4vw, 42px);
  background: #0f2d46;
  color: #dbeefa;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
}

.support-band h2 {
  color: #fff;
}

.page-title {
  margin-top: 34px;
  padding: clamp(26px, 4vw, 48px);
  display: grid;
  gap: 12px;
}

.product-landing-title {
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 0.7fr);
  align-items: end;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: #66798b;
  font-size: 13px;
}

.breadcrumbs a::after {
  content: "/";
  margin-left: 8px;
  color: #b5c6d6;
}

.service-catalog-layout,
.resource-index,
.technical-contact-panel {
  margin-top: 22px;
  padding: clamp(24px, 4vw, 42px);
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 24px;
}

.service-catalog-layout aside,
.resource-index aside {
  background: #edf6fc;
  padding: 22px;
  align-self: start;
  border-left: 5px solid #0e6f9f;
}

.service-catalog-layout aside p {
  margin: 12px 0 18px;
  color: #425265;
}

.service-catalog-layout aside a {
  color: #0e6f9f;
  font-weight: 900;
}

.product-line-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.product-line-grid article {
  min-height: 240px;
  padding: 22px;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: 14px;
  border: 1px solid #d8e6f0;
  background: #fff;
}

.product-line-grid article > span {
  color: #0e6f9f;
  font-size: 13px;
  font-weight: 900;
}

.product-line-grid h2 {
  font-size: clamp(21px, 2vw, 28px);
  margin-bottom: 10px;
}

.product-line-grid p {
  color: #425265;
}

.product-line-grid footer {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 12px;
  border-top: 1px solid #e1edf5;
}

.product-line-grid footer a {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  color: #0e6f9f;
  font-weight: 900;
  border: 1px solid #d8e6f0;
  background: #f7fbfe;
}

.product-line-grid footer a:last-child {
  color: #fff;
  border-color: #ef5338;
  background: #ef5338;
}

.service-proof-strip {
  margin-top: 22px;
}

.catalog-list,
.resource-list {
  display: grid;
  gap: 12px;
}

.catalog-list article {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 18px;
  border: 1px solid #d8e6f0;
  background: #fff;
}

.catalog-list span {
  color: #0e6f9f;
  font-weight: 900;
}

.catalog-list a,
.resource-index aside a {
  color: #0e6f9f;
  font-weight: 800;
}

.market-fit-panel,
.application-doorways,
.support-after-catalog,
.resource-proof-board,
.about-process,
.contact-intent-router,
.contact-resource-fallback,
.policy-panel,
.sitemap-panel,
.technical-sitemap-router,
.notfound-route {
  margin-top: 22px;
  padding: clamp(24px, 4vw, 42px);
}

.market-fit-panel,
.resource-proof-board {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 24px;
}

.market-fit-panel p,
.proof-rows p {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid #dce8f2;
}

.market-fit-panel strong,
.proof-rows strong {
  color: #0e6f9f;
}

.about-process .compact {
  margin-top: 20px;
}

.resource-category-map,
.contact-intent-router,
.technical-sitemap-router {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.resource-category-map article,
.contact-intent-router article,
.technical-sitemap-router article {
  padding: 24px;
  border: 1px solid #d8e6f0;
}

.technical-sitemap-router article {
  background: #f7fbfe;
}

.technical-sitemap-router span {
  color: #0e6f9f;
  font-weight: 900;
}

.technical-map,
.technical-files {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 26px;
  align-items: start;
}

.application-doorways {
  background: #fff;
}

.application-doorways .doorway-triad article {
  min-height: 260px;
}

.application-doorways .doorway-triad p {
  margin-top: 10px;
  color: #425265;
}

.support-after-catalog {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(260px, 0.65fr) auto;
  gap: 24px;
  align-items: center;
  background: #0f2d46;
  color: #dbeefa;
  border-color: #0f2d46;
}

.support-after-catalog h2 {
  color: #fff;
}

.support-after-catalog .eyebrow {
  color: #9bc6e2;
}

.support-after-catalog p {
  margin: 0;
}

.technical-article {
  margin-top: 34px;
  padding: clamp(24px, 4vw, 46px);
}

.technical-article-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 24px;
  padding-bottom: 28px;
  border-bottom: 1px solid #d8e6f0;
}

.technical-article-head aside {
  background: #edf6fc;
  padding: 18px;
}

.technical-article-head aside p {
  display: grid;
  gap: 4px;
  border-bottom: 1px solid #d2e2ef;
  padding-bottom: 12px;
}

.technical-article-layout {
  margin-top: 28px;
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 28px;
}

.technical-article-side img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: #edf6fc;
}

.article-keypoints,
.article-aux-block {
  margin-top: 20px;
  padding: 18px;
  border: 1px solid #d8e6f0;
  background: #f7fbfe;
}

.technical-article-side .article-keypoints:first-child { margin-top: 0; }

.technical-article-side .article-keypoints + img { margin-top: 20px; }

.article-keypoints ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 18px;
}

.article-keypoints a,
.article-keypoints li span {
  color: #0f2d46;
  font-weight: 900;
  line-height: 1.45;
}

.article-keypoints a:hover,
.article-keypoints a:focus-visible {
  color: #0e6f9f;
}

.article-aux-links {
  margin-top: 20px;
  display: grid;
  gap: 14px;
}

.article-aux-block div {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.article-aux-block a {
  min-height: 54px;
  display: flex;
  align-items: center;
  padding: 12px 14px;
  background: #fff;
  border: 1px solid #d8e6f0;
  color: #0f2d46;
  font-weight: 900;
  line-height: 1.45;
}

.article-aux-block a:hover {
  border-color: #0e6f9f;
  color: #0e6f9f;
}

.article-aux-block h2 {
  margin: 0 0 14px;
  font-size: 26px;
}

.article-aux-block[data-kind="outbound_references"] {
  margin-top: 14px;
  background: #fff;
  border-style: dashed;
}

.article-aux-block[data-kind="outbound_references"] div {
  grid-template-columns: minmax(0, 520px);
}

.article-aux-block[data-kind="outbound_references"] a {
  min-height: 52px;
  border-left: 4px solid #e75d44;
}

.article-aux-block[data-kind="article_pager"] div {
  display: flex;
  flex-wrap: wrap;
}

.article-aux-block[data-kind="article_pager"] a {
  flex: 1 1 260px;
}

.technical-article-body section {
  scroll-margin-top: 180px;
  padding-bottom: 24px;
  margin-bottom: 24px;
  border-bottom: 1px solid #dce8f2;
}

.request-form-card,
.contact-checklist {
  display: grid;
  gap: 12px;
}

.request-form-card {
  padding: 24px;
  background: #0f2d46;
  color: #dbeefa;
}

.request-form-card h2 {
  color: #fff;
  font-size: clamp(24px, 2.6vw, 36px);
}

.request-form-card .eyebrow {
  color: #9bc6e2;
}

.request-field-list {
  display: grid;
  gap: 10px;
}

.request-field-list span,
.contact-checklist span {
  min-height: 58px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 18px;
  background: #edf6fc;
  border-left: 4px solid #0e6f9f;
}

.request-field-list span {
  color: #14334d;
  background: #f5fbff;
}

.request-field-list em,
.contact-checklist em {
  font-style: normal;
  color: #0e6f9f;
  font-weight: 900;
}

.contact-cards {
  display: grid;
  gap: 12px;
}

.contact-cards article {
  padding: 18px;
  border: 1px solid #d8e6f0;
  background: #fff;
}

.contact-cards span {
  color: #0e6f9f;
  font-weight: 800;
}

.contact-resource-fallback .actions,
.sitemap-panel .actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.policy-panel {
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr);
  gap: 20px;
}

.policy-panel > div {
  display: grid;
  gap: 10px;
  min-width: 0;
}

.policy-panel h2,
.policy-panel p {
  margin: 0;
}

.sitemap-links {
  display: grid;
  gap: 8px;
}

.sitemap-links p {
  margin: 0;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid #dce8f2;
  padding: 10px 0;
}

.notfound-route {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 24px;
  min-height: 420px;
  align-items: center;
}

.notfound-route aside {
  display: grid;
  gap: 10px;
}

.notfound-route aside a {
  padding: 14px;
  border: 1px solid #d8e6f0;
  background: #edf6fc;
}

.site-footer {
  margin-top: 54px;
  padding: 38px 0;
  background: #0f2d46;
  color: #dbeefa;
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(260px, 1.35fr) repeat(4, minmax(140px, 0.82fr));
  gap: 24px;
}

.footer-inner h2 {
  color: #fff;
  font-size: 16px;
}

.footer-brand strong {
  display: block;
  color: #fff;
  font-size: 22px;
}

.footer-action {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  margin-top: 10px;
  padding: 0 14px;
  color: #fff;
  background: #ef5338;
}

.footer-links,
.footer-contact,
.footer-cert {
  display: grid;
  align-content: start;
  gap: 8px;
}

.footer-inner a {
  color: #dbeefa;
}

.footer-cert a {
  color: rgba(219, 238, 250, 0.86);
}

.footer-cert {
  grid-column: 1 / -1;
  margin-top: 8px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.footer-cert p,
.footer-cert span {
  margin: 0;
  color: rgba(219, 238, 250, 0.82);
}

:focus-visible {
  outline: 3px solid #f3aa35;
  outline-offset: 3px;
}

@media (max-width: 980px) {
  .industrial-topbar,
  .industrial-tools,
  .catalog-nav-row {
    display: none;
  }

  .mobile-nav {
    display: block;
  }

  .header-inner {
    min-height: 66px;
  }

  .engineering-hero {
    min-height: 520px;
    padding: 58px 20px 42px;
    align-items: flex-end;
  }

  .hero-copy {
    width: min(100%, 520px);
  }

  .gateway-shell,
  .engineering-process,
  .technical-intake,
  .product-landing-title,
  .service-catalog-layout,
  .resource-index,
  .technical-contact-panel,
  .technical-article-head,
  .technical-article-layout,
  .market-fit-panel,
  .resource-proof-board,
  .technical-map,
  .technical-files,
  .notfound-route,
  .support-after-catalog,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .process-intro {
    position: static;
  }

  .support-router {
    min-height: 280px;
  }

  .catalog-grid,
  .resource-grid,
  .product-line-grid,
  .doorway-triad,
  .resource-category-map,
  .contact-intent-router,
  .technical-sitemap-router,
  .resource-type-bar,
  .article-aux-block div {
    grid-template-columns: 1fr;
  }

  .catalog-list article {
    grid-template-columns: 42px minmax(0, 1fr);
  }

  .catalog-list article a {
    grid-column: 2;
  }

  .technical-resource-row {
    grid-template-columns: 1fr;
  }

  .contact-resource-fallback {
    align-items: stretch;
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .topbar-inner,
  .header-inner,
  .catalog-nav-inner,
  main > section,
  main > article,
  .footer-inner {
    width: min(100vw - 24px, 1180px);
  }

  .brand span {
    max-width: 170px;
  }

  .hero-copy {
    min-height: 330px;
    padding: 26px;
  }

  .proof-strip {
    grid-template-columns: 1fr;
    padding: 0;
  }

  .proof-strip article + article {
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
  }

  h1 {
    font-size: clamp(34px, 11vw, 48px);
  }

  .support-band,
  .section-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .process-steps article,
  .policy-panel {
    grid-template-columns: 1fr;
  }

  .process-steps p {
    grid-column: auto;
  }
}