.research-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2px;
  margin-top: 48px;
  background: var(--border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(13, 27, 42, 0.07);
}
.research-card {
  background: var(--white);
  padding: 44px 40px;
  position: relative;
  text-decoration: none;
  color: inherit;
  display: block;
  transition: background 0.2s;
}
.research-card:hover {
  background: var(--cream);
}
.research-card-num {
  font-family: var(--font-serif);
  font-size: 60px;
  color: rgba(30, 184, 160, 0.09);
  line-height: 1;
  position: absolute;
  top: 24px;
  right: 28px;
  user-select: none;
}
.research-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--teal-muted);
  border: 1px solid rgba(30, 184, 160, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}
.research-card-icon svg {
  width: 22px;
  height: 22px;
}
.research-card h2 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 400;
  color: var(--text-dark);
  margin-bottom: 14px;
  line-height: 1.3;
}
.research-card p {
  font-size: 15.5px;
  color: var(--text-mid);
  line-height: 1.7;
  font-weight: 300;
}
.research-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 24px;
  font-size: 12.5px;
  color: var(--teal);
  font-weight: 400;
  letter-spacing: 0.04em;
}