.research-hub {
  --research-ink: #01513a;
  --research-text: #4a5568;
  --research-muted: #718096;
  --research-accent: #028760;
  --research-pale: #e6f3ef;
  --research-line: #9acfbf;
  color: var(--research-text);
  font-size: 1rem;
  line-height: 1.65;
}

.research-hub h2,
.research-hub h3,
.research-hub p {
  margin: 0;
}

.research-hub h2,
.research-hub h3 {
  color: var(--research-ink);
  text-wrap: balance;
}

.research-hub p {
  max-width: 65ch;
  text-wrap: pretty;
}

.research-intro {
  max-width: 44rem;
  padding: 2.5rem 0 4rem;
}

.research-intro h2 {
  max-width: 16ch;
  margin-top: 0.5rem;
  font-size: clamp(2rem, 6vw, 3.25rem);
  line-height: 1.05;
}

.research-intro > p:not(.research-kicker) {
  max-width: 58ch;
  margin-top: 1.5rem;
  font-size: 1.08rem;
}

.research-kicker,
.research-label,
.research-index {
  color: var(--research-muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.research-primary {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  margin-top: 2rem;
  padding: 0.7rem 1rem;
  border: 2px solid var(--research-accent);
  border-radius: 0.25rem;
  background: var(--research-accent);
  background-image: none !important;
  color: #fff !important;
  font-weight: 700;
  transition: background-color 160ms ease-out, border-color 160ms ease-out, transform 160ms ease-out;
}

.research-primary:hover,
.research-primary:focus-visible {
  border-color: var(--research-ink);
  background: var(--research-ink);
  transform: translateY(-1px);
}

.research-primary:focus-visible,
.research-hub a:focus-visible {
  outline: 3px solid #2c726e;
  outline-offset: 3px;
}

.research-section {
  padding: 3.5rem 0;
  border-top: 1px solid var(--research-line);
}

.research-section-heading {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
  margin-bottom: 2rem;
}

.research-section-heading h2 {
  font-size: clamp(1.65rem, 4vw, 2.25rem);
  line-height: 1.15;
}

.research-section-heading p:not(.research-index) {
  margin-top: 0.65rem;
  color: var(--research-muted);
}

.research-index {
  padding-top: 0.35rem;
  color: var(--research-accent);
}

.research-feature-grid {
  display: grid;
  gap: 2rem;
}

.research-feature-card {
  overflow: hidden;
  border: 1px solid var(--research-line);
  border-radius: 0.4rem;
  background: rgba(255, 255, 255, 0.55);
}

.research-image-link {
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--research-pale);
}

.research-image-link img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.research-card-copy {
  padding: 1.5rem;
}

.research-card-copy h3,
.research-method-card h3,
.research-list-item h3 {
  margin-top: 0.45rem;
  font-size: 1.45rem;
  line-height: 1.2;
}

.research-card-copy h3 a,
.research-method-card h3 a,
.research-list-item h3 a {
  color: inherit;
}

.research-card-copy > p:not(.research-label),
.research-method-card > div:last-child > p,
.research-list-item > p:not(.research-label) {
  margin-top: 1rem;
}

.research-text-link {
  display: inline-block;
  margin-top: 1rem;
  color: var(--research-accent) !important;
  font-weight: 700;
}

.research-method-card {
  display: grid;
  gap: 1rem;
  padding: 1.75rem;
  border-left: 0.3rem solid var(--research-accent);
  background: var(--research-pale);
}

.research-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--research-line);
}

.research-list-item {
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--research-line);
}

.research-close {
  margin-top: 1rem;
  padding: 2.5rem;
  background: var(--research-ink);
  color: #edf9f8;
}

.research-close h2 {
  color: #fff;
  font-size: 1.75rem;
}

.research-close p {
  margin-top: 0.75rem;
}

.research-close .research-text-link {
  color: #fff !important;
}

.research-close-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  align-items: baseline;
}

.research-secondary-link {
  display: inline-block;
  margin-top: 1rem;
  color: #b9d8d2 !important;
  font-weight: 500;
}

.research-secondary-link:hover,
.research-secondary-link:focus-visible {
  color: #fff !important;
}

@media (min-width: 680px) {
  .research-feature-grid {
    grid-template-columns: 1.08fr 0.92fr;
  }

  .research-feature-card:first-child {
    margin-top: 0;
  }

  .research-feature-card:last-child {
    margin-top: 3rem;
  }

  .research-method-card {
    grid-template-columns: 0.85fr 1.15fr;
    gap: 2rem;
    align-items: start;
  }

  .research-list-item {
    display: grid;
    grid-template-columns: 0.75fr 1.25fr;
    column-gap: 2rem;
  }

  .research-list-item .research-label,
  .research-list-item h3 {
    grid-column: 1;
  }

  .research-list-item > p:not(.research-label),
  .research-list-item > .research-text-link {
    grid-column: 2;
  }

  .research-list-item > p:not(.research-label) {
    grid-row: 1 / span 2;
    margin-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .research-primary {
    transition: none;
  }
}