.plans-container {
    display:flex;
}
.plan-card {
      background: #fff;
      border-radius: 10px;
      padding: 20px;
      box-shadow: 0 2px 8px rgba(0,0,0,0.1);
      text-align: center;
      margin:10px;
    }
    .plan-card h3 { margin: 0; font-size: 1.4rem; color: #6a00cc; }
    .plan-card p { margin: 10px 0; }
    .plan-card button, .plan-card a {
      display:inline-block;
      margin-top:10px;
      text-decoration:none;
      background: linear-gradient(135deg, #000000, #6a00cc);
      color: #fff;
      border: none;
      padding: 10px 20px;
      border-radius: 5px;
      cursor: pointer;
      font-weight: bold;
    }
    .plan-card button:hover, .plan-card a:hover { opacity: 0.9; }
    
    /* Modal */
    .modal {
      display: none; 
      position: fixed; 
      z-index: 1000; 
      left: 0; top: 0;
      width: 100%; height: 100%;
      overflow: auto; 
      background-color: rgba(0,0,0,0.6);
    }
    .modal-content {
      background-color: #fff;
      margin: 5% auto;
      padding: 20px;
      border-radius: 10px;
      width: 80%;
      max-width: 600px;
    }
    .close {
      color: #aaa;
      float: right;
      font-size: 28px;
      font-weight: bold;
      cursor: pointer;
    }
    .close:hover { color: #000; }