.header {
  border-bottom: 3px solid #eee;
  margin-block-start: 0;
  padding-block: var(--space-s);
  padding-inline: var(--space-s);
}

.header .logo {
  color: inherit;
  font-size: 1.5em;
  text-decoration: none;
}

.header .logo span:first-child {
  font-weight: bold;
}