:root {
  color-scheme: light;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  color: #17202a;
  background: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  line-height: 1.65;
}

a {
  color: #086f83;
}

.site-header,
.document,
.site-footer {
  width: min(100% - 2rem, 840px);
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1rem;
  border-bottom: 1px solid #e7eaed;
}

.brand {
  color: #17202a;
  font-size: 1.25rem;
  font-weight: 750;
  text-decoration: none;
}

.site-header nav,
.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-header nav a,
.site-footer nav a {
  color: #52606d;
  font-size: 0.9rem;
}

.document {
  padding-block: 3.5rem;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.15;
}

h2 {
  margin: 2.5rem 0 0.75rem;
  font-size: 1.25rem;
  line-height: 1.3;
}

p,
li {
  color: #52606d;
}

.updated {
  margin-top: 0.75rem;
  font-size: 0.9rem;
}

.notice {
  margin-top: 1.25rem;
  padding: 1rem 1.25rem;
  border: 1px solid #c8e3e8;
  border-radius: 0.75rem;
  background: #f2fafb;
}

.site-footer {
  padding-block: 1.5rem 2.5rem;
  border-top: 1px solid #e7eaed;
}

.site-footer p {
  margin-top: 0;
  font-size: 0.9rem;
}

@media (max-width: 600px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .document {
    padding-block: 2.5rem;
  }
}