.container,
.section-shell,
.header-inner,
.hero-grid,
.site-footer > .section-shell,
.article-shell {
  width: min(100% - (2 * var(--page-gutter-desktop)), var(--container-max));
  margin-inline: auto;
}

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-height);
  border-bottom: 1px solid rgba(243, 217, 182, 0.16);
  background: rgba(5, 4, 13, 0.82);
  backdrop-filter: blur(16px);
}

.site-header.is-fixed,
body.nav-open .site-header {
  position: fixed;
}

.header-inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: var(--space-6);
}

.brand {
  flex: 0 0 auto;
  width: 166px;
}

.brand img,
.footer-logo {
  width: 100%;
  height: auto;
}

.primary-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-5);
  margin-left: auto;
}

.primary-nav a {
  position: relative;
  padding-block: var(--space-2);
  color: var(--text-secondary-dark);
  font-size: 15px;
  line-height: 1.4;
  font-weight: 500;
}

.primary-nav .mobile-access-link {
  display: none;
}

.primary-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--coral);
  transition: transform var(--transition);
}

.primary-nav .mobile-access-link::after {
  display: none;
}

.primary-nav a:hover,
.primary-nav a[aria-current="page"] {
  color: var(--text-primary-dark);
}

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

.menu-button {
  display: none;
}

.section {
  padding-block: var(--section-padding);
}

.section.dark,
.publication-section.dark {
  background: var(--bg-secondary);
}

.section.plum {
  background: var(--bg-plum);
}

.section.light,
.publication-section:not(.dark) {
  background: var(--bg-light);
  color: var(--text-secondary-light);
}

.section.light h2,
.section.light h3,
.publication-section:not(.dark) h2,
.publication-section:not(.dark) h3 {
  color: var(--text-primary-light);
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--space-6);
}

.section-heading,
.page-section-heading,
.system-heading,
.product-heading,
.services-heading,
.research-heading,
.trust-heading,
.access-heading {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--space-6);
  align-items: start;
  margin-bottom: var(--space-8);
}

.section-heading > :first-child,
.page-section-heading > :first-child,
.system-heading > :first-child,
.product-heading > :first-child,
.services-heading > :first-child,
.research-heading > :first-child,
.trust-heading > :first-child,
.access-heading > :first-child {
  grid-column: span 5;
}

.section-heading > :last-child,
.page-section-heading > :last-child,
.system-heading > :last-child,
.product-heading > :last-child,
.services-heading > :last-child,
.research-heading > :last-child,
.trust-heading > :last-child,
.access-heading > :last-child {
  grid-column: 7 / span 5;
}

.section-heading.heading-single > :only-child,
.page-section-heading.heading-single > :only-child {
  grid-column: 1 / span 6;
}

.page-hero {
  padding-top: 150px;
  padding-bottom: var(--space-9);
  background: var(--bg-secondary);
}

.page-hero-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--space-6);
  align-items: start;
}

.page-hero-grid > :first-child {
  grid-column: span 6;
}

.page-hero-grid > :last-child {
  grid-column: 8 / span 5;
  padding-top: var(--space-7);
}

.index-page-hero .page-hero-grid {
  align-items: center;
}

.index-page-hero .page-hero-grid > :first-child {
  grid-column: span 6;
}

.index-page-hero .page-hero-grid > :last-child {
  grid-column: 8 / span 5;
  padding-top: 0;
}

.editorial-page-hero .page-hero-grid > :first-child {
  grid-column: span 7;
}

.editorial-page-hero .page-hero-grid > :last-child {
  grid-column: 8 / span 5;
  padding-top: var(--space-9);
  border-top: 1px solid var(--border-dark);
}

.platform-page-hero .page-hero-grid,
.services-page-hero .page-hero-grid {
  align-items: center;
}

.platform-page-hero .page-hero-grid > :first-child,
.services-page-hero .page-hero-grid > :first-child {
  grid-column: span 8;
}

.platform-page-hero .page-hero-grid > :last-child,
.services-page-hero .page-hero-grid > :last-child {
  grid-column: 9 / span 4;
  padding: var(--space-5);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-card);
  background: var(--bg-panel);
}

.publication-section,
.index-record-section,
.index-charts-section,
.constituent-register-section,
.faq-section,
.about-section,
.passport-page-section,
.platform-page-workflow,
.platform-page-outputs,
.platform-cta,
.policy-content {
  padding-block: var(--section-padding);
}

.about-section.dark {
  background: var(--bg-secondary);
}

.site-footer {
  padding-block: var(--space-8) var(--space-6);
  border-top: 1px solid var(--border-dark);
  background: var(--bg-primary);
}

.footer-main {
  display: grid;
  grid-template-columns: 5fr 2fr 2fr 3fr;
  gap: var(--space-6);
  padding-bottom: var(--space-7);
}

.footer-brand {
  max-width: 360px;
}

.footer-social {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.footer-social-compact {
  flex: 0 0 auto;
  margin-top: 0;
}

.footer-social a {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-button);
  background: rgba(243, 217, 182, 0.02);
  color: var(--text-secondary-dark);
  transition:
    border-color var(--transition),
    background-color var(--transition),
    color var(--transition);
}

.footer-social a:hover,
.footer-social a:focus-visible {
  border-color: var(--coral);
  background: rgba(229, 87, 60, 0.1);
  color: var(--coral);
}

.footer-social-icon {
  width: 18px;
  height: 18px;
  background: currentColor;
}

.footer-social-icon.x {
  -webkit-mask: url("/assets/x-mark.svg") center / contain no-repeat;
  mask: url("/assets/x-mark.svg") center / contain no-repeat;
}

.footer-social-icon.linkedin {
  -webkit-mask: url("/assets/linkedin-mark.svg") center / contain no-repeat;
  mask: url("/assets/linkedin-mark.svg") center / contain no-repeat;
}

.footer-logo {
  width: 170px;
  margin-bottom: var(--space-5);
}

.footer-links,
.footer-controls {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-3);
}

.footer-links > span,
.footer-controls > span {
  margin-bottom: var(--space-2);
  color: var(--text-muted-dark);
}

.footer-links a,
.footer-controls a {
  color: var(--text-secondary-dark);
  font-size: 14px;
}

.footer-links a:hover,
.footer-controls a:hover {
  color: var(--text-primary-dark);
}

.footer-controls p {
  font-size: 14px;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border-dark);
  color: var(--text-muted-dark);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.4;
}