/* Buy Now Button - direct purchase */
.big-card__buy-now-btn {
  background: #28a745;
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 16px 24px;
  font-size: 18px;
  font-weight: 600;
  margin-top: 8px;
  cursor: pointer;
  transition: background 0.2s;
  width: calc(50% - 4px);
  display: inline-block;
}

.big-card__buy-now-btn:hover {
  background: #218838;
}

.big-card__buy-now-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  pointer-events: none;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .big-card__buy-now-btn {
    width: 100%;
    padding: 14px 20px;
    font-size: 16px;
  }
}

@media (max-width: 480px) {
  .big-card__buy-now-btn {
    padding: 12px 16px;
    font-size: 15px;
  }
}