 <style>
    /* Basic Reset */
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    /* WhatsApp Banner Styles */
    .whatsapp-banner {
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      background-color: #075E54;
      color: white;
      text-align: center;
      padding: 14px;
      font-family: Arial, sans-serif;
      font-size: 16px;
      z-index: 9999;
      display: flex;
      justify-content: center;
      align-items: center;
      box-shadow: 0 -2px 5px rgba(0, 0, 0, 0.2);
    }

    .whatsapp-banner a {
      text-decoration: none;
      color: white;
      display: flex;
      align-items: center;
    }

    .whatsapp-banner img {
      width: 22px;
      height: 22px;
      margin-right: 8px;
    }

    /* Hide banner on desktop */
    @media (min-width: 768px) {
      .whatsapp-banner {
        display: none;
      }
    }
  </style>