:root {
  color: #16201e;
  background: #f4f7f5;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body { margin: 0; }

header {
  border-bottom: 1px solid #dce3df;
  background: #ffffff;
}

nav,
main {
  width: min(760px, calc(100% - 40px));
  margin: 0 auto;
}

nav {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand { font-weight: 750; }

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

a { color: #0b6b61; }

nav a {
  color: #4f5e5a;
  font-size: 14px;
  text-decoration: none;
}

main { padding: 64px 0 80px; }

h1 {
  margin: 0 0 10px;
  font-size: clamp(34px, 7vw, 52px);
  line-height: 1.05;
  letter-spacing: 0;
}

h2 {
  margin: 40px 0 10px;
  font-size: 20px;
  letter-spacing: 0;
}

p,
li {
  color: #52605d;
  font-size: 16px;
  line-height: 1.7;
}

.updated { margin: 0 0 36px; color: #7a8783; }

ul { padding-left: 22px; }

@media (max-width: 560px) {
  nav { align-items: flex-start; flex-direction: column; padding: 16px 0; }
  main { padding-top: 42px; }
}