.content-foundations {
  display: grid;
  grid-template-rows: 260px 110px;
  gap: 24px;
  padding: 24px 48px 0;
}

.content-foundation-papers {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 72px;
}

.content-paper {
  min-width: 0;
  transition: opacity 180ms ease;
}

.content-paper-year {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 18px;
  font-weight: 650;
}

.content-paper h2 {
  margin: 0 0 28px;
  color: var(--accent-strong);
  font-size: 34px;
  line-height: 1.05;
  letter-spacing: -0.025em;
}

.content-paper-idea {
  margin: 0;
}

.content-paper-idea strong,
.content-paper-idea span {
  display: block;
}

.content-paper-idea strong {
  color: var(--fg);
  font-size: 27px;
  line-height: 1.15;
}

.content-paper-idea span {
  margin-top: 8px;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.35;
}

.content-foundation-insight {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  column-gap: 14px;
  align-self: start;
}

.content-insight-bulb {
  grid-column: 1;
  grid-row: 1;
  font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
  font-size: 32px;
  line-height: 1.15;
}

.content-foundation-insight > strong {
  grid-column: 2;
  display: block;
  color: var(--accent-strong);
  font-size: 32px;
  line-height: 1.15;
  letter-spacing: -0.025em;
}

.content-foundation-comparisons {
  grid-column: 2;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 72px;
  margin-top: 16px;
}

.content-foundation-comparisons p {
  margin: 0;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.3;
}

.content-foundation-comparisons strong,
.content-foundation-comparisons span {
  display: block;
}

.content-foundation-comparisons strong {
  margin-bottom: 5px;
  color: var(--fg);
}

.slide[data-slide-id="common-roots"][data-fragment-index="1"] .specificity-paper {
  opacity: 0.35;
}

.slide[data-slide-id="common-roots"][data-fragment-index="2"] .content-paper {
  opacity: 0.5;
}

.slide-block-two .content-foundations [data-fragment] {
  transform: none;
}

.content-foundations [data-fragment]:not(.is-visible) {
  visibility: hidden;
}

@media print {
  .slide[data-slide-id="common-roots"] .content-paper {
    opacity: 1 !important;
  }

  .content-foundations [data-fragment] {
    visibility: visible !important;
  }
}