.certificates {
    padding: 50px 20px;
    background: #0d1117;
    color: #fff;
    text-align: center;
  }
  
  .certificates-heading .heading {
    font-size: 2.5rem;
    font-weight: bold;
    color: #00e5ff;
    text-shadow: 0 0 15px rgba(0, 229, 255, 0.7);
    margin-bottom: 30px;
  }
  
  .certificate-card {
    max-width: 800px;
    margin: 20px auto;
    padding: 20px;
    background: #1a1f26;
    border: 1px solid rgba(102, 204, 255, 0.3); /* Adjusted border color */
    border-radius: 15px;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    color: #e0e0e0;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
  }
  
  .certificate-card.show {
    opacity: 1;
    transform: translateY(0);
  }
  
  .certificate-card h3 {
    font-size: 1.5rem;
    color: #00b8d4;  /* Subheading color */
    margin-bottom: 10px;
  }
  
  .certificate-card p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 10px;
  }
  
  .view-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    background: #00e5ff;
    color: #121212;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s, transform 0.2s ease;
  }
  
  .view-btn:hover {
    background: #00b8d4;
    transform: scale(1.05);
  }
  
  /* Modal Styling */
  .modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background: rgba(0, 0, 0, 0.8);
  }
  
  .modal-content {
    margin: 5% auto;
    display: block;
    max-width: 80%;
    height: auto;
    border: 5px solid #00e5ff;
    border-radius: 10px;
  }
  
  .close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #fff;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
  }
  
  .close:hover {
    color: #00e5ff;
  }