.topic-index-hero {
  padding-block: clamp(32px, 3vw, 44px);
}

.topic-index-hero > .eyebrow {
  margin-bottom: 24px;
}

.topic-index-intro {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: end;
  gap: clamp(32px, 5vw, 80px);
}

.topic-index-intro h1 {
  max-width: 15ch;
  margin: 0;
  font-size: clamp(36px, 4.4vw, 64px);
}

.topic-index-intro .page-lead {
  margin: 0;
  font-size: clamp(18px, 1.8vw, 24px);
}

.topic-index-nav {
  margin-top: 32px;
}

.topic-index-nav .eyebrow {
  margin-bottom: 16px;
}

.topic-index-nav ul {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.topic-index-nav a {
  display: flex;
  min-height: 48px;
  height: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 12px;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  text-decoration: none;
}

.topic-index-nav a > span:last-child,
.topic-index-reading a > span:last-child {
  flex-shrink: 0;
  color: var(--red);
}

.topic-index-results {
  padding-block: clamp(32px, 3.5vw, 48px);
}

.topic-index-results .section-top {
  align-items: baseline;
  margin-bottom: 20px;
}

.topic-index-results .section-top h2 {
  margin: 0;
}

.topic-index-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 7vw, 104px);
  padding-block: clamp(32px, 3vw, 40px);
  border-top: 1px solid var(--line);
  scroll-margin-top: 24px;
}

.topic-index-row > div {
  min-width: 0;
}

.topic-index-count,
.topic-index-reading h4 {
  margin: 0 0 16px;
  color: var(--muted);
  font-family: var(--body);
  font-size: 14px;
  font-weight: 400;
}

.topic-index-about h3 {
  max-width: 25ch;
  margin: 0 0 16px;
  font-family: var(--display);
  font-size: clamp(23px, 2.2vw, 32px);
  font-weight: 400;
  line-height: 1.3;
  overflow-wrap: anywhere;
}

.topic-index-about h3 a {
  text-decoration: none;
}

.topic-index-summary {
  max-width: 54ch;
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 16px;
}

.topic-index-all {
  min-height: 44px;
  font-size: 15px;
}

.topic-index-reading ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.topic-index-reading li + li {
  border-top: 1px solid var(--line);
}

.topic-index-reading a {
  display: flex;
  min-height: 56px;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  padding-block: 16px;
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.45;
  text-decoration: none;
  overflow-wrap: anywhere;
}

.topic-index-reading li:first-child a {
  padding-top: 0;
}

.topic-index-nav a:is(:hover, :focus-visible),
.topic-index-about h3 a:is(:hover, :focus-visible),
.topic-index-reading a:is(:hover, :focus-visible) {
  color: var(--red);
  text-decoration: underline;
}

@media (max-width: 1100px) {
  .topic-index-nav ul {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 800px) {
  .topic-index-intro {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .topic-index-row {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

@media (max-width: 600px) {
  .topic-index-nav ul {
    grid-template-columns: 1fr;
  }

  .topic-index-results .section-top {
    gap: 16px;
  }
}