.dynamic-hover {
  position: relative;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 300px;
  height: 300px;
  overflow: hidden;
}

.default-image, .hover-image {
  position: absolute;
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  transition: opacity 0.5s ease-in-out;
}

.hover-image {
  opacity: 0;
}

.dynamic-hover:hover .default-image {
  opacity: 0;
}

.dynamic-hover:hover .hover-image {
  opacity: 1;
}

.info-hover {
  position: relative;
  display: inline-block;
  cursor: pointer;
}

.info-hover::after {
  content: "Work in Progress: Contact for Info";
  visibility: hidden;
  width: 200px;
  background-color: #ff681d;
  color: #fff;
  text-align: center;
  border-radius: 6px;
  padding: 5px 0;
  position: absolute;
  z-index: 1;
  bottom: 125%;
  left: 50%;
  margin-left: -100px;
  opacity: 0;
  transition: opacity 0.3s, visibility 0.3s;
  font-weight: normal;
  font-size: 14px;
}

.info-hover::before {
  content: "";
  visibility: hidden;
  position: absolute;
  top: -5px;
  left: 50%;
  margin-left: -5px;
  border-width: 5px;
  border-style: solid;
  border-color: #555 transparent transparent transparent;
  opacity: 0;
  transition: opacity 0.3s, visibility 0.3s;
}

.info-hover:hover::after, .info-hover:hover::before {
  visibility: visible;
  opacity: 1;
}

.custom-link {
  position: relative;
  color: inherit;
  text-decoration: none;
  display: inline-block;
}

.custom-link::after {
  content: "Read Paper";
  width: 200px;
  background-color: #ff681d;
  color: #fff;
  text-align: center;
  border-radius: 6px;
  padding: 5px 0;
  position: absolute;
  z-index: 1;
  bottom: 125%;
  left: 50%;
  margin-left: -100px;
  opacity: 0;
  transition: opacity 0.3s ease;
  font-weight: normal;
  font-size: 14px;
}

.custom-link:hover::after {
  opacity: 1;
}