.donate-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: #f2c94f;
  color: #000;
  text-decoration: none;
  font-weight: bold;
  border-radius: 100px;
  padding: 0.75rem 2rem;
  transition:
    background-color 0.2s,
    transform 0.2s;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.donate-button:hover {
  background-color: #e0b840;
  transform: translateY(-2px);
}

.donate-button.card {
  margin-top: 1rem;
  font-size: 1rem;
  align-self: center;
  margin-bottom: 0;
}

.donate-button.nav {
  padding: 0.5rem 1.5rem;
  font-size: 0.875rem;
}

.donate-button:focus-visible {
  outline: 3px solid #f2c94f;
  outline-offset: 3px;
}

@media (max-width: 480px) {
  .donate-button.card { padding: 0.75rem 1rem; }
}