:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #10243e;
  background: #f4f8fb;
  --surface: #ffffff;
  --ink: #10243e;
  --muted: #51647a;
  --line: #c8d8e2;
  --accent: #087f8c;
  --accent-strong: #056570;
  --soft: #d9f0f1;
  --warning: #fff7dc;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-size: 1rem;
  line-height: 1.7;
}

a {
  color: var(--accent-strong);
  text-underline-offset: .18em;
}

a:hover {
  text-decoration-thickness: .14em;
}

a:focus-visible {
  outline: .2rem solid var(--accent);
  outline-offset: .2rem;
}

.skip-link {
  position: absolute;
  left: .75rem;
  top: -5rem;
  z-index: 10;
  padding: .65rem .9rem;
  border-radius: .5rem;
  color: #fff;
  background: var(--ink);
}

.skip-link:focus {
  top: .75rem;
}

header,
main,
footer {
  width: min(52rem, calc(100% - 1.5rem));
  margin-inline: auto;
}

header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .75rem 1rem;
  padding-block: 1rem;
  border-bottom: 1px solid var(--line);
}

.brand {
  color: var(--ink);
  font-weight: 820;
  text-decoration: none;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem 1rem;
}

nav a {
  color: var(--muted);
  font-size: .92rem;
  font-weight: 700;
  text-decoration: none;
}

main {
  padding-block: clamp(2.75rem, 8vw, 5.5rem);
}

.eyebrow {
  margin: 0 0 .65rem;
  color: var(--accent-strong);
  font-size: .78rem;
  font-weight: 850;
  letter-spacing: .1em;
  text-transform: uppercase;
}

h1,
h2 {
  color: var(--ink);
  line-height: 1.08;
  letter-spacing: -.025em;
}

h1 {
  max-width: 15ch;
  margin: 0 0 1rem;
  font-size: clamp(2.4rem, 8vw, 4.8rem);
}

h2 {
  margin: 2.25rem 0 .7rem;
  font-size: clamp(1.35rem, 4vw, 1.8rem);
}

h3 {
  margin: 1.4rem 0 .4rem;
  color: var(--ink);
  line-height: 1.25;
}

p,
li {
  color: var(--muted);
}

p {
  margin-block: 0 1rem;
}

ul,
ol {
  padding-left: 1.35rem;
}

li + li {
  margin-top: .45rem;
}

.lede {
  max-width: 44rem;
  font-size: 1.12rem;
}

.updated {
  margin-bottom: 1.5rem;
  color: var(--muted);
  font-size: .86rem;
}

.summary,
.notice,
.page-links {
  margin-block: 1.5rem;
  padding: 1.15rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--surface);
  box-shadow: 0 .75rem 2rem rgb(16 36 62 / 7%);
}

.summary {
  border-left: .35rem solid var(--accent);
}

.notice {
  background: var(--warning);
}

.summary > :last-child,
.notice > :last-child,
.page-links > :last-child {
  margin-bottom: 0;
}

.page-links {
  display: grid;
  gap: .6rem 1rem;
}

.page-links a {
  font-weight: 750;
}

code {
  padding: .08rem .28rem;
  border-radius: .25rem;
  color: var(--ink);
  background: var(--soft);
  font-size: .92em;
}

footer {
  padding-block: 2.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

footer strong {
  color: var(--ink);
}

footer p {
  max-width: 42rem;
  margin: .35rem 0 .75rem;
}

footer small {
  display: block;
  margin-top: .9rem;
}

@media (min-width: 42rem) {
  .page-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}