.materials-section {
  padding-top: 30px;
}

.material-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.material-gallery button {
  position: relative;
  min-height: 290px;
  padding: 0;
  overflow: hidden;
  color: #fff;
  background: #111;
  border: 1px solid var(--line);
  border-radius: 17px;
}

.material-gallery img {
  width: 100%;
  height: 290px;
  object-fit: cover;
  transition: transform .35s;
}

.material-gallery button:hover img {
  transform: scale(1.04);
}

.material-gallery span {
  position: absolute;
  right: 12px;
  bottom: 12px;
  left: 12px;
  padding: 9px 11px;
  color: #fff;
  font-size: 12px;
  font-weight: 900;
  text-align: left;
  background: #050a07e6;
  border: 1px solid rgba(255, 255, 255, .15);
  border-radius: 9px;
}

.material-gallery small {
  display: block;
  margin-top: 3px;
  color: #aab4ad;
  font-size: 9px;
  font-weight: 700;
}

.material-gallery button:focus {
  outline: 3px solid rgba(104, 210, 31, .45);
  outline-offset: 2px;
}

@media (max-width: 900px) {
  .material-gallery {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 620px) {
  .material-gallery {
    grid-template-columns: 1fr;
  }

  .material-gallery button,
  .material-gallery img {
    min-height: 240px;
    height: 240px;
  }
}