:root {
  color-scheme: light;
  --ink: #142128;
  --muted: #51646d;
  --paper: #f7faf8;
  --panel: #ffffff;
  --line: #d5e0df;
  --blue: #15415a;
  --teal: #0b7280;
  --gold: #a86b12;
  --green: #2f6f54;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-size: 18px;
  line-height: 1.6;
}

a {
  color: var(--teal);
  font-weight: 700;
}

.skip-link {
  background: var(--ink);
  color: #fff;
  left: 1rem;
  padding: 0.75rem 1rem;
  position: absolute;
  top: -100px;
  z-index: 20;
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  background: rgba(247, 250, 248, 0.97);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav-wrap,
.section,
.hero-inner,
.footer-inner {
  margin: 0 auto;
  max-width: 1120px;
  padding-left: 1rem;
  padding-right: 1rem;
}

.nav-wrap {
  align-items: center;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  padding-bottom: 0.85rem;
  padding-top: 0.85rem;
}

.brand {
  color: var(--ink);
  font-size: 1rem;
  font-weight: 900;
  text-decoration: none;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  justify-content: flex-end;
}

.site-nav a {
  border-radius: 999px;
  color: var(--ink);
  font-size: 0.86rem;
  padding: 0.42rem 0.66rem;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus,
.site-nav a[aria-current="page"] {
  background: var(--blue);
  color: #fff;
}

.hero {
  background: linear-gradient(120deg, var(--blue), var(--teal));
  color: #fff;
}

.hero-inner,
.section {
  padding-bottom: 4rem;
  padding-top: 4rem;
}

.eyebrow {
  color: #d9eef0;
  font-size: 0.85rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  margin: 0 0 0.8rem;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.08;
  margin: 0;
}

h1 {
  font-size: clamp(2.7rem, 7vw, 5.8rem);
  max-width: 960px;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: 1.3rem;
}

.lead {
  font-size: clamp(1.18rem, 2vw, 1.45rem);
  max-width: 820px;
}

.section-header {
  margin-bottom: 1.5rem;
  max-width: 850px;
}

.grid {
  display: grid;
  gap: 1rem;
}

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

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

.card,
.notice {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.2rem;
}

.notice {
  border-left: 5px solid var(--gold);
}

.alt {
  background: #eef5f4;
}

.timeline {
  border-left: 4px solid var(--teal);
  display: grid;
  gap: 1rem;
  padding-left: 1rem;
}

.timeline article {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1rem;
}

.todo-citation {
  background: #fff7e8;
  border: 1px solid #e4c27c;
  border-radius: 6px;
  color: #5c3b05;
  display: inline-block;
  font-size: 0.92rem;
  font-weight: 800;
  padding: 0.1rem 0.35rem;
}

.site-footer {
  background: var(--ink);
  color: #d9e6e4;
}

.footer-inner {
  padding-bottom: 2rem;
  padding-top: 2rem;
}

.site-footer a {
  color: #fff;
}

@media (max-width: 760px) {
  .nav-wrap {
    align-items: flex-start;
    flex-direction: column;
  }

  .grid.three,
  .grid.two {
    grid-template-columns: 1fr;
  }
}