:root {
  color: #172321;
  background: #f6f8f5;
  font-family:
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.55;
}

body {
  margin: 0;
  padding: 24px;
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px;
  background: #fff;
  border: 1px solid #d7e0db;
  border-radius: 16px;
  box-shadow: 0 8px 28px rgb(23 35 33 / 6%);
}

h1 {
  margin-top: 0;
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.1;
}

h2 {
  margin-top: 2rem;
  font-size: 1.2rem;
}

a {
  color: #21686c;
}

nav {
  display: grid;
  gap: 12px;
  margin: 28px 0;
}

.eyebrow {
  color: #2d7175;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.muted {
  color: #5d6d68;
}

.notice {
  padding: 14px 16px;
  border-left: 4px solid #b75d32;
  background: #fff4ed;
}

code {
  padding: 2px 5px;
  border-radius: 4px;
  background: #eef3ef;
}

@media (max-width: 600px) {
  body {
    padding: 12px;
  }

  main {
    padding: 24px 20px;
  }
}