@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600&display=swap');

    body {
      font-family: 'Poppins', sans-serif;
      color: #ffff;
      text-align: center;
      margin-top: 5rem;
    }

    .container {
      max-width: 400px;
      margin: auto;
      background: rgba(255, 255, 255, 0.1);
      padding: 20px;
      border-radius: 15px;
      box-shadow: 0px 0px 30px rgba(0, 255, 255, 0.3);
      backdrop-filter: blur(10px);
      position: relative;
      overflow: hidden;
      animation: glowEffect 3s infinite alternate;
    }

    @keyframes glowEffect {
      from { box-shadow: 0px 0px 30px rgba(0, 255, 255, 0.3); }
      to { box-shadow: 0px 0px 40px rgba(0, 255, 255, 0.6); }
    }

    .container h1, h2 {
      text-transform: uppercase;
      letter-spacing: 1px;
      color: #3498db;
      font-size: 20px;
      font-weight: 800;
      margin-top: 0;
    }

    .payment, .product {
      margin: 15px 0;
    }

    button {
      width: 100%;
      padding: 12px;
      border: none;
      border-radius: 8px;
      cursor: pointer;
      font-size: 15px;
      font-weight: bold;
      transition: 0.3s;
      position: relative;
      overflow: hidden;
      max-width: 100%;
    }

    .copy-btn {
      background: #00BFFF;
      color: white;
      padding: 8px 15px;
      border: none;
      border-radius: 5px;
      cursor: pointer;
      font-size: 14px;
      margin-top: 10px;
      margin-bottom: 20px;
      max-width: 100%;
    }

    .copy-btn:hover { background: #00BFFF; }

    .dana {
      background: #3498db; color: white;
      margin-bottom: 1rem;
    }
    .seabank {
      background: orange;
      color: white;
      margin-bottom: 1rem;
    }
    .gopay {
      background-color: #2bb13c;
      color: white;
    }
    .product-btn { background: #4169E1; color: white; }

    img.qris {
      text-align: center;
      width: 100%;
      max-width: 200px;
      height: auto;
      border-radius: 8px;
      margin-top: 7px;
      cursor: pointer;
      transition: transform 0.3s;
    }

    img.qris:hover {
      transform: scale(1.5);
      margin: 5rem;
      text-align: center;
    }

    .overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.8);
      backdrop-filter: blur(15px);
      display: none;
      align-items: center;
      justify-content: center;
      opacity: 0;
      transition: opacity 0.3s ease-in-out;
      padding: 10px;
    }

    .popup {
      background: rgba(255, 255, 255, 0.1);
      padding: 20px;
      border-radius: 10px;
      text-align: center;
      box-shadow: 0px 0px 20px rgba(0, 255, 255, 0.3);
      backdrop-filter: blur(20px);
      width: 90%;
      max-width: 300px;
      transform: scale(0.8);
      transition: transform 0.3s ease-in-out;
    }
    
    @media (max-width: 768px) {
      .container {
        max-width: 90%;
        padding: 15px;
      }
      .container h1, h2 {
        font-size: 23px;
      }
      button {
        font-size: 14px;
        padding: 10px;
      }
    }
    
    @media (max-width: 480px) {
      .container {
        max-width: 95%;
        padding: 10px;
      }
      .popup {
        width: 95%;
      }
    }