* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: #fff;
  color: #16232b;
  font-family:
    system-ui,
    -apple-system,
    sans-serif;
  line-height: 1.7;
}
header {
  padding: 20px 24px;
  border-bottom: 1px solid #e4e9e7;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
header a {
  font-weight: 600;
}
nav {
  display: flex;
  gap: 20px;
}
a {
  color: #176046;
  text-underline-offset: 4px;
  overflow-wrap: anywhere;
}
main {
  max-width: 768px;
  margin: auto;
  padding: 48px 24px 80px;
}
h1 {
  font-size: clamp(30px, 6vw, 44px);
  line-height: 1.15;
  letter-spacing: -0.035em;
  margin: 0 0 28px;
}
h2 {
  font-size: 23px;
  line-height: 1.3;
  margin-top: 42px;
}
p {
  margin: 16px 0;
}
footer {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid #e4e9e7;
  font-size: 14px;
}
a:focus-visible {
  outline: 3px solid #176046;
  outline-offset: 5px;
}
.brand {
  color: #16232b;
  text-decoration: none;
}