.popup-overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.6);
      display: none;
      align-items: center;
      justify-content: center;
      z-index: 1000;
    }
    .popup-box {
      position: relative;
      background: linear-gradient(135deg, #ff0000, #ffcc00);
      color: white;
      text-align: center;
      border-radius: 12px;
      padding: 30px 20px;
      width: 90%;
      max-width: 400px;
      box-shadow: 0 0 20px rgba(255, 0, 0, 0.5);
      animation: popIn 0.5s ease;
    }
    .popup-close {
      position: absolute;
      top: 10px;
      right: 15px;
      background: none;
      border: none;
      font-size: 20px;
      font-weight: bold;
      color: white;
      cursor: pointer;
    }

    /* ===== TEXT ===== */
    .popup-heading {
      font-size: 1.8em;
      font-weight: 900;
      margin-bottom: 10px;
      text-transform: uppercase;
      text-shadow: 2px 2px 0 #000;
    }

    .popup-subheading {
      font-size: 1.1em;
      margin-bottom: 25px;
      line-height: 1.4;
    }
    .popup-btn {
      background: #ffffff;
      color: #d60000;
      padding: 12px 25px;
      border: none;
      border-radius: 8px;
      font-weight: bold;
      font-size: 1em;
      cursor: pointer;
      transition: all 0.3s ease;
    }

    .popup-btn:hover {
      background: #ffeb3b;
      transform: scale(1.05);
    }
    @keyframes popIn {
      from {
        transform: scale(0.5);
        opacity: 0;
      }
      to {
        transform: scale(1);
        opacity: 1;
      }
    }

    @media (max-width: 480px) {
      .popup-heading {
        font-size: 1.5em;
      }
      .popup-subheading {
        font-size: 1em;
      }
    }