.index-button {
  justify-content: center;
  align-items: center;
  display: inline-block;
  padding: 12px 30px;
  font-size: 1.2rem;
  background: #f39c12;
  color: #fff;
  text-decoration: none;
  border-radius: 5px;
  transition: background 0.3s ease;
}

.index-button:hover {
  background: #d87f0f;
}

@media (max-width: 600px) {
  .index-button {
    font-size: 1rem;
    padding: 10px 20px;
  }
}