.leetcode-btn {
  display: inline-block;
  margin: 30px auto;
  padding: 12px 24px;
  background: linear-gradient(135deg, #ff9800, #ffb74d); /* orange gradient */
  color: #fff; 
  font-weight: 600;
  font-size: 16px;
  border: none;
  border-radius: 50px;
  text-align: center;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(255, 152, 0, 0.4);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  animation: pulse 2s infinite;
}

.leetcode-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 20px rgba(255, 152, 0, 0.6);
  background: linear-gradient(135deg, #fb8c00, #ffa726); /* darker orange on hover */
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 10px rgba(255, 152, 0, 0.5); }
  50% { box-shadow: 0 0 20px rgba(255, 193, 7, 0.8); }
}