.whatsapp-btn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 56px;
  height: 56px;
  background: #25d366 !important;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 35px;
  text-decoration: none;
  z-index: 9999;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.35);
  color: white;
}

.logo img {
  height: 5rem;
  /* Fix height to fit navbar */
  width: auto;
  /* Maintain aspect ratio */
  transition: transform 0.5s var(--ease-tech);
}

.tc-brand__img {
  height: 5.3rem;
  width: auto;
  transition: transform 0.5s var(--ease-tech);
}