:root {
  color-scheme: light;
  --blue: #063f7a;
  --blue-2: #0b5cab;
  --ink: #102033;
  --muted: #4f6177;
  --bg: #f6f8fb;
  --panel: #ffffff;
  --line: #d9e2ec;
  --gold: #ffbf47;
  --green: #00703c;
  --focus: #ffdd00;
  --shadow: 0 18px 45px rgba(16, 32, 51, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}
a { color: var(--blue-2); }
a:hover { text-decoration-thickness: .18em; }
:focus-visible { outline: 4px solid var(--focus); outline-offset: 3px; }
.skip-link {
  position: absolute;
  left: 1rem;
  top: -5rem;
  z-index: 10;
  background: var(--focus);
  color: #000;
  padding: .75rem 1rem;
  font-weight: 700;
}
.skip-link:focus { top: 1rem; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  background: rgba(255, 255, 255, .97);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}
.top-nav {
  max-width: 1180px;
  margin: 0 auto;
  padding: .85rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-weight: 800;
  color: var(--ink);
  text-decoration: none;
}
.brand-mark { color: var(--blue-2); }
.nav-links { display: flex; flex-wrap: wrap; gap: .35rem; }
.nav-links a {
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
  padding: .5rem .7rem;
  border-radius: .4rem;
}
.nav-links a:hover { background: #eaf2fb; }
.nav-toggle { display: none; }
.hero {
  background: linear-gradient(135deg, #092847, #075ba0 60%, #00703c);
  color: #fff;
  padding: 5rem 1rem;
  display: grid;
  grid-template-columns: minmax(0, 760px) minmax(280px, 380px);
  gap: 2rem;
  justify-content: center;
}
.hero h1 { font-size: clamp(2.25rem, 6vw, 5rem); line-height: 1; margin: .4rem 0 1rem; max-width: 12ch; }
.lead { font-size: clamp(1.15rem, 2vw, 1.45rem); max-width: 62ch; }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-weight: 800; font-size: .82rem; color: var(--gold); margin: 0 0 .5rem; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 2rem; }
.button {
  display: inline-block;
  background: var(--gold);
  color: #111;
  padding: .9rem 1.15rem;
  border-radius: .35rem;
  font-weight: 800;
  text-decoration: none;
  border: 2px solid transparent;
}
.button-secondary { background: transparent; border-color: #fff; color: #fff; }
.hero-card, .card, .schema-panel, .accessibility-box, .metrics-grid article, .persona-grid article {
  background: var(--panel);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 1rem;
  box-shadow: var(--shadow);
}
.hero-card { padding: 1.5rem; align-self: end; }
.check-list { padding-left: 1.3rem; }
.check-list li::marker { color: var(--green); content: "✓  "; font-weight: 800; }
.section { max-width: 1180px; margin: 0 auto; padding: 4.5rem 1rem; }
.section.alt { max-width: none; background: #eaf2fb; padding-inline: max(1rem, calc((100vw - 1180px) / 2)); }
.section-heading { max-width: 820px; margin-bottom: 2rem; }
.section-heading h2, .cta h2 { font-size: clamp(2rem, 4vw, 3.4rem); line-height: 1.08; margin: 0 0 1rem; }
.section-heading .eyebrow { color: var(--blue-2); }
.metrics-grid, .card-grid, .persona-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}
.card-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.persona-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.metrics-grid article, .card, .persona-grid article { padding: 1.35rem; }
.metrics-grid strong { display: block; font-size: 2.2rem; color: var(--blue); }
.card h3, .persona-grid h3 { margin-top: 0; color: var(--blue); }
.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .8rem;
  margin-bottom: 1rem;
  font-weight: 700;
}
select, button {
  font: inherit;
  min-height: 44px;
}
select { padding: .55rem .75rem; border: 2px solid var(--ink); border-radius: .35rem; background: #fff; }
.timeline { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 1rem; }
.timeline div { background: #fff; border-left: 5px solid var(--blue-2); padding: 1rem; border-radius: .7rem; }
.timeline span { display: inline-grid; place-items: center; width: 2rem; height: 2rem; border-radius: 50%; background: var(--blue); color: #fff; font-weight: 800; }
.schema-panel { display: grid; grid-template-columns: 1.2fr .8fr; gap: 1.5rem; padding: 1.5rem; }
.tag-list { display: flex; flex-wrap: wrap; gap: .55rem; list-style: none; padding: 0; }
.tag-list li { background: #eaf2fb; border: 1px solid #b7d5f0; padding: .35rem .6rem; border-radius: 999px; font-weight: 700; }
pre { overflow-x: auto; background: #07182a; color: #eaf2fb; padding: 1rem; border-radius: .7rem; }
.accessibility-box { margin-top: 1rem; padding: 1.35rem; border-left: 8px solid var(--green); }
.accordion { border: 1px solid var(--line); border-radius: 1rem; overflow: hidden; background: #fff; }
.accordion button { width: 100%; border: 0; border-bottom: 1px solid var(--line); background: #fff; text-align: left; padding: 1rem; font-weight: 800; color: var(--blue); cursor: pointer; }
.accordion div { padding: 0 1rem 1rem; }
.cta { text-align: center; }
.site-footer { background: #07182a; color: #fff; padding: 2rem 1rem; text-align: center; }
.site-footer a { color: #fff; }
.hidden { display: none !important; }

@media (max-width: 900px) {
  .hero, .schema-panel { grid-template-columns: 1fr; }
  .metrics-grid, .card-grid, .card-grid.three, .timeline { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 680px) {
  .nav-toggle { display: inline-block; background: var(--blue); color: #fff; border: 0; padding: .45rem .75rem; border-radius: .35rem; font-weight: 800; }
  .js-enabled .nav-links { display: none; width: 100%; flex-direction: column; }
  .js-enabled .nav-links.open { display: flex; }
  .nav-links { display: none; width: 100%; flex-direction: column; }
  .nav-links.open { display: flex; }
  .top-nav { flex-wrap: wrap; }
  .hero { padding-top: 3rem; }
  .metrics-grid, .card-grid, .card-grid.three, .timeline, .persona-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}