.pillar-section {
  margin-top: -110px;
  padding-top: 110px;
}

.pillar-toc {
  border-radius: 5px;
  width: 100%;
  z-index: 999;
}

@media (min-width: 900px) {
  .pillar-toc {
    background-color: var(--color-bg-light-alt);
    display: block;
    position: sticky;
    top: 110px;
  }
}

.pillar-toc__title {
  clip: rect(1px, 1px, 1px, 1px);
  height: 1px;
  overflow: hidden;
  position: absolute;
  width: 1px;
}

@media (min-width: 900px) {
  .pillar-toc__title {
    clip: unset;
    height: auto;
    font-size: 1.3em;
    padding: 1rem 1.1rem .1em;
    position: static;
    width: auto;
  }
}

.pillar-toc__links {
  background-color: var(--color-bg-light-alt);
  border-radius: 5px;
  bottom: 20px;
  list-style-type: none !important;
  max-width: 400px;
  overflow: hidden;
  padding: 0 0 44px;
  position: fixed;
  right: 5%;
  transform: scale(0);
  transform-origin: 100% 100%;
  transition: transform 0.3s, visibility 0s 0.3s;
  visibility: hidden;
  width: 90%;
  z-index: 999;
}

.pillar-toc__links.is-open {
  visibility: visible;
  transform: scale(1);
  transition: transform 0.3s, visibility 0s 0s;
}

@media (min-width: 900px) {
  .pillar-toc__links {
    background-color: transparent;
    padding: 0;
    position: static;
    transform: none;
    visibility: visible;
    width: 100%;
  }
  .pillar-toc--compact .pillar-toc__links {
    margin-top: .5em;
  }
}

.pillar-toc li {
  counter-increment: articles;
}

.pillar-toc__link {
  display: block;
  padding: 1.1em 1.1em 1.1em 4.3em;
  position: relative;
  text-decoration: none;
}

@media (min-width: 900px) {
  .pillar-toc__link {
    padding: 1.6em 1.1em 1.6em 4.3em;
  }
  .pillar-toc--compact .pillar-toc__link {
    padding: 1em 1.1em 1em 3.7em;
  }
}

.pillar-toc__link::before, .pillar-toc__link::after {
  position: absolute;
}

.pillar-toc__link::before {
  /* article number */
  bottom: auto;
  border-radius: 50%;
  box-shadow: inset 0 0 0 1px rgba(var(--rgb-bg-dark-alt), 0.4);
  color: var(--color-text-dark);
  content: counter(articles);
  height: 36px;
  left: 1.1em;
  line-height: 34px;
  opacity: .9;
  text-align: center;
  top: 50%;
  transform: translateY(-50%);
  transition: color .3s, background-color .3s;
  width: 36px;
}

.pillar-toc__link::after {
  /* bottom separation - line */
  background-color: var(--color-bg-dark-alt);
  bottom: 0;
  content: '';
  left: 50%;
  height: 1px;
  opacity: .25;
  right: auto;
  transform: translateX(-50%);
  width: 90%;
}

.pillar-toc__link.read em {
  opacity: .7;
}

.pillar-toc__link.read::before {
  background-color: rgba(var(--rgb-bg-dark-alt), 0.35);
}

.pillar-toc__link.reading em {
  color: var(--color-primary);
}

.pillar-toc__link.reading svg {
  display: block;
}

.pillar-toc__link.reading::before {
  background-color: white;
  opacity: 1;
}

.pillar-toc li:last-of-type a::after {
  display: none;
}

.pillar-toc__link-text {
  color: var(--color-bg-dark);
  display: block;
  font-size: 1rem;
  font-style: normal;
  line-height: 1.2;
  /* truncate text with ellipsis */
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color .3s;
  white-space: nowrap;
}

.pillar-toc b {
  font-size: 1.2rem;
  font-style: italic;
}

.pillar-toc svg {
  /* this is the filling circle around the article number */
  bottom: auto;
  display: none;
  left: 1.1em;
  position: absolute;
  stroke: var(--color-primary);
  top: 50%;
  transform: translateY(-50%);
}

.pillar-toc__toggler {
  bottom: 20px;
  height: 50px;
  font-family: var(--text-heading-font-family);
  font-size: 1.1rem;
  padding: 0 1.3rem;
  position: fixed;
  right: 5%;
  z-index: 9999;
}

@media (min-width: 900px) {
  .pillar-toc__toggler {
    display: none;
  }
}

.pillar-toc__toggler .hamburger-inner,
.pillar-toc__toggler .hamburger-inner::before,
.pillar-toc__toggler .hamburger-inner::after {
  background-color: currentColor;
}