.research-tiles {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1em;
  margin: 2em 0;
}

@media screen and (max-width: 600px) {
  .research-tiles {
    grid-template-columns: 1fr;
  }
}

.flip-card {
  perspective: 1000px;
  height: 176px;
  cursor: pointer;
  outline: none;
}

.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: left;
  transition: transform 0.5s;
  transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner,
.flip-card:focus-within .flip-card-inner,
.flip-card.flipped .flip-card-inner {
  transform: translateY(-6px) rotateY(180deg);
}

.flip-card:hover,
.flip-card:focus-within,
.flip-card.flipped {
  transform: translateY(-2px);
}

.flip-card-front,
.flip-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
  padding: 0.9em;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.flip-card-front {
  background-color: #f7f7f7;
  align-items: center;
  text-align: center;
}

.flip-card-front h2 {
  margin: 0;
  font-size: 1.1em;
}

.flip-card-back {
  background-color: #2a5d8a;
  color: #ffffff;
  transform: rotateY(180deg);
  overflow-y: auto;
}

.flip-card-back p {
  margin: 0 0 0.5em 0;
  font-size: 0.82em;
  line-height: 1.35;
}

.flip-card-back p:last-child {
  margin-bottom: 0;
}

.flip-card-back a {
  color: #ffffff;
  text-decoration: underline;
}

.flip-card-back ul {
  margin: 0;
  padding-left: 1.1em;
  font-size: 0.82em;
  line-height: 1.35;
}