.contact-whatsapp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  margin-top: 8px;
  padding: 0 18px;
  border-radius: 999px;
  background: #1f1a16;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .02em;
  text-decoration: none;
  box-shadow: 0 14px 34px rgba(31, 26, 22, .12);
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}

.contact-whatsapp-btn:hover {
  transform: translateY(-1px);
  background: #2d241e;
  box-shadow: 0 18px 44px rgba(31, 26, 22, .16);
}

@media (max-width: 768px) {
  .contact-whatsapp-btn {
    width: 100%;
  }
}