.brand-logo {
  display: grid;
  place-items: center;
  width: 52px;
  height: 60px;
  padding: 4px 5px;
  border-radius: 12px;
  background: rgba(255, 255, 255, .96);
  box-shadow: 0 7px 22px rgba(0, 0, 0, .16);
  overflow: hidden;
  flex: 0 0 auto;
  transition: width .3s, height .3s;
}

.brand-logo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.topbar.scrolled .brand-logo {
  width: 45px;
  height: 52px;
}

footer .brand-logo {
  width: 58px;
  height: 67px;
}

@media (max-width: 620px) {
  .brand-logo { width: 43px; height: 51px; }
  .topbar.scrolled .brand-logo { width: 40px; height: 47px; }
}