:root {
  color-scheme: light;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f7f8f5;
  color: #1f2a24;
}

body {
  margin: 0;
}

a {
  color: #245f73;
}

.site-header {
  align-items: center;
  background: #ffffff;
  border-bottom: 1px solid #d8ded8;
  display: flex;
  justify-content: space-between;
  min-height: 64px;
  padding: 0 28px;
}

.brand {
  color: #1f2a24;
  font-weight: 700;
  text-decoration: none;
}

.access-label {
  background: #e7efe9;
  border: 1px solid #bfd2c4;
  border-radius: 6px;
  color: #284734;
  font-size: 0.9rem;
  padding: 6px 10px;
}

.shell {
  display: grid;
  gap: 28px;
  grid-template-columns: minmax(180px, 240px) minmax(0, 1fr);
  margin: 0 auto;
  max-width: 1120px;
  padding: 28px;
}

.side-nav {
  align-self: start;
  display: grid;
  gap: 6px;
  position: sticky;
  top: 20px;
}

.side-nav a {
  border-radius: 6px;
  color: #37433c;
  padding: 8px 10px;
  text-decoration: none;
}

.side-nav a[aria-current="page"],
.side-nav a:hover {
  background: #eaf1ef;
  color: #133d4a;
}

.content {
  background: #ffffff;
  border: 1px solid #dfe5df;
  border-radius: 8px;
  padding: 28px;
}

.page-header {
  border-bottom: 1px solid #e2e7e2;
  margin-bottom: 22px;
  padding-bottom: 16px;
}

.kicker {
  color: #5d6d64;
  font-size: 0.9rem;
  margin: 0 0 6px;
}

h1 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  letter-spacing: 0;
  line-height: 1.2;
  margin: 0;
}

h2 {
  border-top: 1px solid #e8ece8;
  font-size: 1.25rem;
  letter-spacing: 0;
  margin-top: 28px;
  padding-top: 20px;
}

p,
li {
  line-height: 1.8;
}

.meta-grid {
  background: #f5f7f2;
  border: 1px solid #dfe6db;
  border-radius: 8px;
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 28px;
  overflow: hidden;
}

.meta-grid div {
  background: #ffffff;
  display: grid;
  gap: 4px;
  padding: 12px;
}

.meta-grid span {
  color: #667468;
  font-size: 0.82rem;
}

@media (max-width: 760px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
    padding: 16px;
  }

  .shell {
    grid-template-columns: 1fr;
    padding: 16px;
  }

  .side-nav {
    position: static;
  }

  .meta-grid {
    grid-template-columns: 1fr;
  }
}