footer {
  padding: 30px;
  background-color: #f0f9ff;
}

footer > .logo-link img {
  display: block;
  height: clamp(30px, 3.5vw, 50px);
  width: auto;
  transition: height 0.4s cubic-bezier(0.4, 0, 0.2, 1), transform 0.25s ease,
    opacity 0.25s ease;
}
footer > .logo-link:hover img {
  opacity: 0.7;
  transform: scale(1.03);
}