.card-custom {
      border-radius: 20px;
      padding: 40px;
      box-shadow: 0 4px 20px rgba(0,0,0,0.1);
      max-width: 1200px;
    }
    .card-custom h2 {
      font-weight: bold;
      color: #08235a;
    }
    .card-custom h4 {
      font-weight: bold;
      margin-top: 20px;
      color: #08235a;
    }

        /* Responsif di mobile */
@media (max-width: 768px) {
  .footer .footer-top {
    text-align: center;
  }

  .footer .footer-links {
    margin-top: 20px;
  }

  .footer .social-links {
    justify-content: center;
  }
}

     /* Tombol WhatsApp */
    .whatsapp-float {
      position: fixed;
      width: 60px;
      height: 60px;
      bottom: 20px;
      left: 20px;
      background-color: #08235a;
      color: #fff;
      border-radius: 50%;
      text-align: center;
      font-size: 28px;
      box-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
      z-index: 1000;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    /* Popup */
    .whatsapp-popup {
      display: none;
      position: fixed;
      bottom: 90px;
      left: 20px;
      width: 280px;
      background: #fff;
      border-radius: 10px;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
      z-index: 1001;
      overflow: hidden;
      animation: fadeIn 0.3s ease-in-out;
    }

    .popup-header {
      background: #08235a;
      color: #fff;
      padding: 12px;
      font-weight: bold;
      font-size: 14px;
    }

    .popup-body {
      padding: 15px;
      font-size: 14px;
      color: #333;
    }

    .popup-footer {
      padding: 10px;
      text-align: center;
      background: #f5f5f5;
    }

    .popup-footer a {
      background: #08235a;
      color: #fff;
      text-decoration: none;
      padding: 8px 15px;
      border-radius: 6px;
      font-size: 14px;
      display: inline-block;
    }

    @keyframes fadeIn {
      from {
        opacity: 0;
        transform: translateY(20px);
      }

      to {
        opacity: 1;
        transform: translateY(0);
      }
    }
    /* END POPUP WHATSAPP */