:root {
  color-scheme: light;
  --cca-blue: #1d70b8;
  --cca-blue-dark: #003078;
  --cca-ink: #0b0c0c;
  --cca-muted: #505a5f;
  --cca-border: #b1b4b6;
  --cca-bg: #f3f2f1;
  --cca-success: #00703c;
  --cca-warning: #f47738;
  --cca-danger: #d4351c;
  --focus: #ffdd00;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--cca-ink); background: #fff; font-family: "GDS Transport", arial, sans-serif; line-height: 1.55; }
[hidden] { display: none !important; }
a { color: var(--cca-blue); text-underline-offset: .2em; }
a:hover { color: var(--cca-blue-dark); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; box-shadow: 0 0 0 5px var(--cca-ink); }
.container-fluid.wide { width: min(100% - 2rem, 1280px); margin-inline: auto; }
.skip-link { position: absolute; left: 1rem; top: -5rem; z-index: 100; padding: .75rem 1rem; color: #fff; background: var(--cca-ink); }
.skip-link:focus { top: 1rem; }
.site-header { color: #fff; background: var(--cca-blue-dark); border-bottom: 5px solid var(--focus); }
.header-inner { min-height: 92px; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem 2rem; padding-block: .8rem; }
.brand { display: inline-flex; align-items: center; gap: .8rem; color: #fff; text-decoration: none; }
.brand:hover, .site-header nav a:hover { color: #fff; }
.brand-logo { width: 58px; height: 58px; flex: 0 0 auto; filter: brightness(0) invert(1); }
.brand-copy { display: grid; line-height: 1.15; }
.brand-organization { font-size: .95rem; font-weight: 700; }
.brand-product { margin-top: .2rem; font-size: 1.35rem; font-weight: 800; }
.site-header nav, .site-footer nav { display: flex; flex-wrap: wrap; gap: .5rem 1.25rem; }
.site-header nav a { padding-block: .35rem; color: #fff; font-weight: 700; text-decoration-thickness: 2px; }
.site-header nav a[aria-current="page"] { text-decoration-color: var(--focus); text-decoration-thickness: 4px; text-underline-offset: .45rem; }
.hero { padding: clamp(3rem, 7vw, 6rem) 0; color: #fff; background: var(--cca-blue); border-bottom: 1px solid var(--cca-blue-dark); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(260px, .7fr); gap: clamp(2rem, 6vw, 5rem); align-items: end; }
.hero h1, .detail-hero h1, .error-state h1 { margin: .2rem 0 .75rem; font-size: clamp(2.3rem, 5vw, 4.75rem); line-height: 1.03; letter-spacing: -.035em; }
.lead { max-width: 790px; margin-bottom: 0; font-size: clamp(1.12rem, 2.1vw, 1.45rem); }
.eyebrow { margin: 0 0 .5rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.75rem; }
button, .button-link { min-height: 44px; padding: .65rem 1rem; border: 2px solid var(--cca-blue); border-radius: 2px; color: #fff; background: var(--cca-blue); font: inherit; font-weight: 750; cursor: pointer; text-decoration: none; }
.hero .button-link { color: var(--cca-ink); background: var(--focus); border-color: var(--focus); }
.hero .button-link.secondary { color: #fff; background: transparent; border-color: #fff; }
.hero .button-link:hover { color: var(--cca-ink); background: #fff; border-color: #fff; }
.hero .button-link.secondary:hover { color: var(--cca-blue-dark); }
.hero-note { padding: 1.25rem; border-left: 5px solid var(--focus); background: var(--cca-blue-dark); }
.hero-note strong, .hero-note span { display: block; }
.hero-note strong { font-size: 1.15rem; }
.hero-note span { margin-top: .35rem; }
.status-strip { background: var(--cca-blue-dark); color: #fff; }
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stat-card { min-width: 0; padding: 1rem 1.25rem; border-right: 1px solid rgb(255 255 255 / 35%); }
.stat-card:last-child { border-right: 0; }
.stat-card strong, .stat-card span { display: block; }
.stat-card strong { color: #fff; font-size: 1.55rem; }
.stat-card span { color: #fff; }
.catalog-section { padding-block: 3.5rem 5rem; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 1rem; }
.section-heading h2 { margin: 0; font-size: clamp(2rem, 4vw, 2.75rem); }
.section-heading p:last-child { font-weight: 700; }
.filters { display: grid; grid-template-columns: minmax(240px, 2fr) repeat(4, minmax(135px, 1fr)); gap: 1rem; align-items: end; padding: 1.25rem; margin: 1.5rem 0 .75rem; background: var(--cca-bg); border: 1px solid var(--cca-border); border-top: 5px solid var(--cca-blue); }
.filters label { display: grid; gap: .35rem; min-width: 0; font-weight: 700; }
.filters input, .filters select { width: 100%; min-width: 0; min-height: 46px; padding: .55rem .65rem; border: 2px solid var(--cca-muted); border-radius: 0; background: #fff; font: inherit; }
.filter-actions { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; margin-bottom: 2rem; }
.clear-link { min-height: 44px; display: inline-flex; align-items: center; padding-inline: .25rem; font-weight: 700; }
.service-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.35rem; }
.service-card { display: flex; flex-direction: column; min-width: 0; padding: 1.35rem; border: 1px solid var(--cca-border); border-top: 5px solid var(--cca-blue); box-shadow: 0 2px 5px rgb(11 12 12 / 8%); transition: transform .15s, box-shadow .15s, border-color .15s; }
.service-card:hover, .service-card:focus-within { transform: translateY(-2px); border-color: var(--cca-blue); box-shadow: 0 8px 18px rgb(11 12 12 / 13%); }
.service-card h2 { margin: 0; font-size: 1.35rem; line-height: 1.2; }
.service-card > p { color: var(--cca-muted); }
.card-heading { display: flex; justify-content: space-between; gap: .75rem; align-items: center; }
.card-title { display: flex; gap: .8rem; align-items: center; margin: 1rem 0 .45rem; }
.service-icon { width: 42px; height: 42px; flex: 0 0 auto; padding: .45rem; background: var(--cca-bg); border: 1px solid var(--cca-border); }
.kind-badge, .chip-row span { display: inline-flex; align-items: center; min-height: 28px; padding: .2rem .55rem; border: 1px solid var(--cca-border); border-radius: 2px; font-size: .82rem; font-weight: 800; background: var(--cca-bg); color: var(--cca-blue-dark); }
.kind-api { color: #fff; background: var(--cca-blue-dark); border-color: var(--cca-blue-dark); }
.kind-tile_service { color: var(--cca-ink); background: var(--focus); border-color: #b18b00; }
.kind-internal { color: #fff; background: var(--cca-muted); border-color: var(--cca-muted); }
.health { display: inline-flex; gap: .4rem; align-items: center; color: var(--cca-muted); font-size: .82rem; font-weight: 700; }
.health > span { width: .7rem; height: .7rem; border-radius: 50%; background: var(--cca-muted); border: 1px solid currentColor; }
.health-operational > span { background: var(--cca-success); }
.health-degraded > span { background: var(--cca-warning); }
.health-unavailable > span { background: var(--cca-danger); }
.compact-meta { display: grid; gap: .5rem; margin: .7rem 0 1.25rem; }
.compact-meta div { display: grid; grid-template-columns: 5.4rem minmax(0, 1fr); gap: .5rem; }
.compact-meta dt { color: var(--cca-muted); font-size: .88rem; font-weight: 700; }
.compact-meta dd { min-width: 0; margin: 0; overflow-wrap: anywhere; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .9em; overflow-wrap: anywhere; }
.card-links { display: flex; flex-wrap: wrap; gap: .65rem 1rem; margin-top: auto; padding-top: .8rem; border-top: 1px solid var(--cca-border); font-weight: 700; }
.detail-layout { padding-block: 1.5rem 5rem; max-width: 1024px !important; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: .6rem; margin-bottom: 2rem; color: var(--cca-muted); }
.detail-hero { padding: clamp(1.5rem, 4vw, 3rem); margin-bottom: 2rem; border-top: 6px solid var(--cca-blue); background: var(--cca-bg); }
.detail-hero h1 { font-size: clamp(2rem, 5vw, 3.7rem); }
.chip-row { display: flex; flex-wrap: wrap; gap: .5rem; }
.detail-layout section { padding: 1rem 0 1.5rem; border-bottom: 1px solid var(--cca-border); }
.detail-layout section h2 { font-size: 1.6rem; }
.link-table { border: 1px solid var(--cca-border); overflow: hidden; }
.link-table > div { display: grid; grid-template-columns: 10rem minmax(0, 1fr) auto auto; gap: .75rem; align-items: center; padding: .75rem; border-bottom: 1px solid var(--cca-border); }
.link-table > div:last-child { border-bottom: 0; }
.copy-button { min-height: 36px; padding: .35rem .65rem; color: var(--cca-blue); background: #fff; }
.readiness { padding: 1rem; background: var(--cca-bg); border-left: 5px solid var(--cca-blue); }
.readiness meter { display: block; width: min(100%, 500px); height: 1.1rem; margin-top: .65rem; }
.example pre { overflow-x: auto; padding: 1rem; color: #fff; background: var(--cca-ink); }
.empty-state, .error-state { padding: 4rem 1rem; text-align: center; }
.hidden { display: none !important; }
.site-footer { padding: 3rem 0; color: #fff; background: var(--cca-ink); border-top: 5px solid var(--cca-blue); }
.footer-grid { display: grid; grid-template-columns: minmax(280px, 1.2fr) minmax(260px, 1fr); gap: 2rem 4rem; }
.footer-brand { display: flex; gap: 1rem; align-items: flex-start; }
.footer-brand .brand-logo { width: 52px; height: 52px; }
.footer-copy { max-width: 560px; }
.footer-copy strong { display: block; font-size: 1.1rem; }
.footer-copy p { margin: .45rem 0 0; color: #f3f2f1; }
.site-footer a { color: #fff; }
.site-footer nav { align-content: start; }
.noscript-note { padding: 1rem; background: var(--focus); color: var(--cca-ink); }
.standards-hero { padding-bottom: 3rem; }
.standards-layout { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: 2.5rem; padding-block: 2.5rem 5rem; }
.standards-layout aside { align-self: start; position: sticky; top: 1rem; padding: 1rem; background: var(--cca-bg); border: 1px solid var(--cca-border); border-top: 5px solid var(--cca-blue); }
.standards-layout aside h2 { margin: 1rem 0 .4rem; font-size: 1rem; }
.standards-layout aside h2:first-child { margin-top: 0; }
.standards-layout aside nav { display: grid; gap: .35rem; }
.standards-category { scroll-margin-top: 1rem; margin-bottom: 2.5rem; }
.standards-category > h2 { padding-bottom: .5rem; border-bottom: 3px solid var(--cca-blue); }
.standard-rule { scroll-margin-top: 1rem; padding: 1.2rem; margin-block: 1rem; border: 1px solid var(--cca-border); border-left: 5px solid var(--cca-blue); }
.standard-rule h3 { margin: .5rem 0; }
.rule-meta { color: var(--cca-muted); font-size: .9rem; }
@media (max-width: 960px) {
  .filters { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .filters label:first-child { grid-column: 1 / -1; }
}
@media (max-width: 768px) {
  .hero-grid, .footer-grid { grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat-card:nth-child(2) { border-right: 0; }
  .stat-card:nth-child(-n + 2) { border-bottom: 1px solid rgb(255 255 255 / 35%); }
  .header-inner { align-items: flex-start; flex-direction: column; }
  .standards-layout { grid-template-columns: 1fr; }
  .standards-layout aside { position: static; }
}
@media (max-width: 640px) {
  .container-fluid.wide { width: min(100% - 1.25rem, 1280px); }
  .brand-logo { width: 48px; height: 48px; }
  .brand-organization { font-size: .82rem; }
  .brand-product { font-size: 1.15rem; }
  .site-header nav { width: 100%; gap: .35rem 1rem; }
  .service-grid, .stats, .filters { grid-template-columns: 1fr; }
  .filters label:first-child { grid-column: auto; }
  .stat-card { border-right: 0; border-bottom: 1px solid rgb(255 255 255 / 35%); }
  .stat-card:last-child { border-bottom: 0; }
  .section-heading { align-items: flex-start; flex-direction: column; }
  .link-table > div { grid-template-columns: 1fr auto; }
  .link-table code { grid-column: 1 / -1; grid-row: 2; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}