main {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 120px 20px 80px;
    text-align: center;
    width: 100%;
  }
  
  .register-card-wrapper {
    background: rgba(255, 255, 255, 0.92);
    padding: 30px 20px;
    border-radius: 15px;
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.15);
    max-width: 600px;
    width: 100%;
    text-align: center;
  }
  
  #p-design {
    font-size: 26px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #006A4E;
  }
  
  .image-container {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
  }
  
  .card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    padding: 20px;
    width: 200px;
    text-align: center;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
    backdrop-filter: blur(6px);
  }
  
  .card:hover {
    transform: scale(1.05);
  }
  
  #sub-design {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 10px;
    color: #006A4E;
  }
  
  .card img {
    width: 100px;
    height: auto;
  }
  
  #copyright-style {
    background-color: #006A4E;
    color: white;
    padding: 12px 20px;
    font-size: 14px;
    position: fixed;
    bottom: 0;
    width: 100%;
    z-index: 998;
    letter-spacing: 0.5px;
    display: flex;
    justify-content: center; 
    align-items: center;
    gap: 10px; 
}

.footer-icon i {
    font-size: 18px;
    color: white;
    cursor: pointer;
}

.footer-icon i:hover {
    color: #A5D6A7;
}
  
  .modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
  }
  
  .modal-content {
    background-color: #fff;
    padding: 20px;
    width: 80%;
    max-width: 500px;
    border-radius: 10px;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: fadeIn 0.3s ease-in-out;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    text-align: center;
  }
  
  .modal-content h2 {
    color: #009E70;
    margin-bottom: 10px;
  }
  
  .close-button {
    color: #aaa;
    float: right;
    font-size: 24px;
    font-weight: bold;
    cursor: pointer;
  }
  
  .close-button:hover {
    color: #000;
  }
  
  @keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
  }
  
  @media (max-width: 1200px) {
  .register-card-wrapper { max-width: 550px; }
}

@media (max-width: 991px) {
  .register-card-wrapper { max-width: 500px; padding: 25px; }
  #p-design { font-size: 1.8em; }
  #sub-design { font-size: 1.1em; }
}

@media (max-width: 767px) {
  .register-card-wrapper { max-width: 420px; padding: 20px; }
  #p-design { font-size: 1.6em; }
  #sub-design { font-size: 1em; }
  .card { width: 90%; }
}

@media (max-width: 575px) {
  .register-card-wrapper { width: 95%; max-width: 350px; padding: 15px; }
  #p-design { font-size: 1.4em; }
  #sub-design { font-size: 0.95em; }
  .register-card-wrapper input, 
  .register-card-wrapper button { font-size: 0.95rem; padding: 10px; }
  .card { width: 100%; }
}