:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f4f5f2;
  color: #101211;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
}

a {
  color: #08794f;
  text-underline-offset: 0.18em;
}

.shell {
  width: min(100% - 32px, 820px);
  margin: 0 auto;
  padding: 32px 0 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
  font-size: 20px;
  font-weight: 800;
}

.mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid #d9ded9;
  border-radius: 13px;
  background: #fff;
  box-shadow: 0 8px 24px rgb(27 47 37 / 8%);
  font-size: 24px;
}

main {
  margin-top: 28px;
  padding: clamp(26px, 6vw, 56px);
  border: 1px solid #dfe4df;
  border-radius: 28px;
  background: #fff;
  box-shadow: 0 18px 60px rgb(27 47 37 / 8%);
}

h1 {
  margin: 0;
  font-size: clamp(34px, 7vw, 56px);
  letter-spacing: -0.045em;
  line-height: 1;
}

h2 {
  margin: 36px 0 10px;
  font-size: 21px;
  letter-spacing: -0.02em;
}

p,
li {
  color: #4e5852;
  font-size: 16px;
  line-height: 1.65;
}

ul,
ol {
  padding-left: 23px;
}

.lede {
  margin: 18px 0 0;
  font-size: 18px;
}

.meta {
  margin-top: 18px;
  color: #7a847e;
  font-size: 14px;
}

.callout {
  margin: 28px 0;
  padding: 20px 22px;
  border-radius: 18px;
  background: #e4f6eb;
}

.callout strong {
  color: #086b47;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 28px;
}

footer {
  padding: 24px 4px 0;
  color: #7a847e;
  font-size: 14px;
}

@media (max-width: 520px) {
  .shell {
    width: min(100% - 20px, 820px);
    padding-top: 18px;
  }

  main {
    border-radius: 22px;
  }
}