.conference-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.conference-gallery__item {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--tertiary);
  border-radius: 8px;
  background: var(--entry);
}

.conference-gallery__item--wide {
  grid-column: span 2;
}

.conference-gallery__item img {
  display: block;
  width: 100%;
  background: #111;
  height: 22rem;
  object-fit: cover;
}

.conference-gallery__item--wide img {
  height: min(48vw, 34rem);
}

.conference-gallery__item figcaption {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1rem 1.1rem 1.15rem;
}

.conference-gallery__item figcaption strong {
  color: var(--primary);
  font-size: 1.05rem;
}

.conference-gallery__item figcaption span {
  color: var(--secondary);
  font-size: 0.95rem;
}

@media (max-width: 640px) {
  .conference-gallery {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .conference-gallery__item,
  .conference-gallery__item--wide {
    grid-column: auto;
  }

  .conference-gallery__item img,
  .conference-gallery__item--wide img {
    height: 15rem;
  }
}