* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: #f5f8f7;
  color: #18364a;
  font:
    16px/1.75 system-ui,
    sans-serif;
}
a {
  color: #237c83;
  text-underline-offset: 3px;
}
header,
main,
footer {
  max-width: 880px;
  margin: auto;
  padding: 24px;
}
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}
header strong {
  font-size: 24px;
}
header nav {
  display: flex;
  gap: 20px;
}
main {
  background: white;
  border: 1px solid #e0e9e8;
  border-radius: 22px;
  padding: 40px;
  margin-top: 20px;
}
h1 {
  font-size: 36px;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin: 0 0 20px;
}
h2 {
  font-size: 21px;
  margin: 30px 0 10px;
}
p {
  margin: 10px 0 18px;
}
.eyebrow {
  color: #237c83;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.button {
  display: inline-block;
  background: #277e85;
  color: white;
  border-radius: 10px;
  padding: 10px 18px;
  text-decoration: none;
  font-weight: 650;
}
li {
  margin: 8px 0;
}
footer {
  font-size: 13px;
  color: #61727b;
}
@media (max-width: 600px) {
  header,
  footer {
    padding: 18px;
  }
  main {
    margin: 0 12px;
    padding: 24px;
  }
  h1 {
    font-size: 30px;
  }
  header nav {
    gap: 12px;
    font-size: 14px;
  }
}