* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body, html {
      height: 100%;
      width: 100%;
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      background: linear-gradient(to bottom, #ed1c24, #231f20);
      color: white;
      display: flex;
      justify-content: center;
      align-items: center;
      overflow: hidden;
      text-align: center;
      padding: 20px;
    }

    a {
      color: #fff;
      text-decoration: none;
    }

    a:hover {
      color: #ed1c24;
    }

    .container {
      max-width: 600px;
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .logo img {
      max-width: 100%;
      height: auto;
    }

    .whatsapp-btn {
      background-color: #25d366;
      color: white;
      padding: 12px 20px;
      border: none;
      border-radius: 8px;
      font-size: 16px;
      font-weight: bold;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      text-decoration: none;
      transition: background-color 0.3s ease;
    }

    .whatsapp-btn:hover {
      background-color: #119747;
    }

    .whatsapp-btn:hover {
      color: #fff;
    }

    .contact-info {
      font-size: 16px;
      line-height: 1.6;
    }

    @media (max-height: 500px) {
      body {
        overflow-y: auto;
      }
    }