/* Hide the redundant section title at the top of the left sidebar */
.md-nav--primary > .md-nav__title {
  display: none;
}

/* Increase indentation for nested nav items in the sidebar */
.md-nav__item .md-nav__item {
  padding-left: 0.6rem;
}

.md-nav__item .md-nav__item .md-nav__item {
  padding-left: 0.6rem;
}

/* Style thematic section titles (Flow, Mechanics, …) as prominent headers */
.md-nav__item--section > .md-nav__link {
  font-weight: 700;
  color: var(--md-primary-fg-color);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-top: 0.6rem;
  padding-bottom: 0.2rem;
  border-bottom: 1px solid var(--md-primary-fg-color--light);
}

/* Slightly indent the items under each section */
.md-nav__item--section > .md-nav {
  padding-left: 0.5rem;
}