:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: #20332c;
  background: #fafbf7;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

a {
  color: #225c46;
  text-underline-offset: 0.2em;
}

a:hover {
  color: #113725;
}

a:focus-visible {
  outline: 3px solid #a55f0a;
  outline-offset: 5px;
  border-radius: 2px;
}

.site-header,
main,
.site-footer {
  width: min(100% - 3rem, 64rem);
  margin-inline: auto;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem 2rem;
  padding-block: 1.75rem;
  border-bottom: 1px solid #dce3da;
}

.site-name {
  font-weight: 700;
  text-decoration: none;
  color: #20332c;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.5rem;
  font-size: 0.9rem;
}

nav a {
  text-decoration: none;
}

nav a[aria-current="page"] {
  text-decoration: underline;
  font-weight: 650;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -5rem;
  padding: 0.6rem 1rem;
  color: #fff;
  background: #20332c;
  z-index: 1;
}

.skip-link:focus {
  top: 0.75rem;
}

.intro {
  max-width: 46rem;
  padding-block: clamp(3rem, 8vw, 6rem) 3.5rem;
}

.eyebrow {
  margin: 0 0 1rem;
  color: #4b6557;
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

h1,
h2,
p,
dl {
  margin-top: 0;
}

h1 {
  margin-bottom: 1.6rem;
  font-size: clamp(2.25rem, 6vw, 4.5rem);
  line-height: 1.1;
  font-weight: 650;
  letter-spacing: -0.045em;
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(1.35rem, 3vw, 1.7rem);
  line-height: 1.3;
  letter-spacing: -0.02em;
}

p {
  margin-bottom: 1.1rem;
}

.lead {
  font-size: clamp(1.15rem, 2.5vw, 1.35rem);
  line-height: 1.6;
}

.muted {
  color: #526158;
  font-size: 0.9rem;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 1.5rem;
  margin-top: 1rem;
  padding: 0.8rem 1.1rem;
  border-radius: 0.35rem;
  color: #fff;
  background: #225c46;
  font-weight: 600;
  text-decoration: none;
}

.button:hover {
  color: #fff;
  background: #113725;
}

.details {
  padding-block: 2.5rem;
  border-top: 1px solid #dce3da;
}

.data-types {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem;
  margin-block: 1.75rem;
}

dt {
  margin-bottom: 0.5rem;
  font-weight: 650;
}

dd {
  margin: 0;
  color: #526158;
}

.archive-note {
  padding: clamp(1.5rem, 4vw, 3rem);
  margin-block: 1rem 3rem;
  border-left: 3px solid #58826b;
  background: #edf2e9;
}

.archive-note > :last-child {
  margin-bottom: 0;
}

.document {
  max-width: 46rem;
  padding-block: 3.5rem;
}

.document-intro {
  padding-bottom: 1.5rem;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid #dce3da;
}

.document h1 {
  font-size: clamp(2.1rem, 6vw, 3.5rem);
}

.document section {
  margin-bottom: 2.5rem;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem 2rem;
  padding-block: 2rem;
  border-top: 1px solid #dce3da;
  color: #526158;
  font-size: 0.8rem;
}

.site-footer p {
  margin-bottom: 0;
}

.site-footer a {
  display: inline-block;
  margin-right: 1rem;
}

@media (max-width: 42rem) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    padding-block: 1.25rem;
  }

  .data-types {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .site-header,
  main,
  .site-footer {
    width: calc(100% - 2rem);
  }
}