body {
  margin: 0;
  font-family: system-ui, -apple-system, Arial, sans-serif;
  line-height: 1.6;
}

.navbar {
  position: sticky;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 14px 24px;
  background: #111;
}

.navbar .logo {
  color: #fff;
  font-weight: 700;
  text-decoration: none;
}

.navbar ul {
  display: flex;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.navbar ul a {
  color: #ccc;
  text-decoration: none;
}

.navbar ul a:hover,
.navbar ul a.active {
  color: #fff;
}

main {
  max-width: 800px;
  margin: 0 auto;
  padding: 32px 24px;
}