.page__nav {
  position: sticky;
  top: 0;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 0.5rem;
  padding: 0 var(--doc-padding);
  z-index: 100;
}

.page__nav button {
  height: 2.8rem;
  padding: 0.8rem 1em;
  appearance: none;
  background: transparent;
  border: none;
  color: inherit;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  line-height: 1;
  position: relative;
  transition: color var(--transition);
}
.page__nav button:hover,
.page__nav button:hover::after {
  color: var(--color-accent);
}

.page__nav svg {
  fill: currentColor;
  width: 1.2em;
  height: 1.2em;
}

.page__nav .menu-trigger {
  padding-left: 1.5rem;
}
.page__nav .menu-trigger::before {
  content: "";
  display: inline-block;
  background-color: currentcolor;
  mask-image: var(--icon-menu);
  mask-position: center;
  mask-repeat: no-repeat;
  mask-size: contain;
  width: 1em;
  height: 100%;
  vertical-align: -.1rem;
  position: absolute;
  top: 0;
  left: 0;
}

.page__nav .toc-trigger {
  padding-right: 1.5rem;
  margin-left: auto;
  display: none;
}
.page__nav .toc-trigger::after {
  content: "";
  display: inline-block;
  background-color: currentcolor;
  mask-image: var(--icon-chevron-right);
  mask-position: center;
  mask-repeat: no-repeat;
  mask-size: contain;
  width: 1em;
  height: 100%;
  vertical-align: -.1rem;
  position: absolute;
  top: 0;
  right: 0;
}

@media (max-width: 64rem) {
  .page__nav .toc-trigger {
    display: flex;
  }
}
@media (max-width: 120rem) {
  .page__nav {
    border-top: 1px solid var(--color-base-darker);
    border-bottom: 1px solid var(--color-base-darker);
    background: rgba(var(--rgb-white), 0.95);
  }
}