* {
      box-sizing: border-box;
  }

  html,
  body {
      margin: 0;
      padding: 0;
      width: 100%;
      height: 100%;
  }

  body {
      font-family: Arial, Helvetica, sans-serif;
      background: #f8f9fa;
      color: #333;
  }

  .error-page {
      min-height: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 30px;
  }

  .error-container {
      width: 100%;
      max-width: 600px;
      text-align: center;
      background: #fff;
      padding: 50px 30px;
      border-radius: 12px;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  }

  .error-image {
      width: 250px;
      max-width: 80%;
      height: auto;
      display: block;
      margin: 0 auto 30px;
  }

  .error-title {
      margin: 0 0 15px;
      font-size: 32px;
      font-weight: 600;
      color: #222;
  }

  .error-message {
      margin: 0 auto 30px;
      max-width: 450px;
      font-size: 16px;
      line-height: 1.6;
      color: #666;
  }

  .home-button {
      display: inline-block;
      padding: 12px 28px;
      background: #007bff;
      color: #fff;
      text-decoration: none;
      border-radius: 6px;
      font-size: 15px;
      transition: background 0.2s ease;
  }

  .home-button:hover {
      background: #0056b3;
  }

  @media (max-width: 600px) {
      .error-container {
          padding: 35px 20px;
      }

      .error-image {
          width: 200px;
      }

      .error-title {
          font-size: 26px;
      }
  }

  .error-card {
    width: 100%;
    max-width: 520px;
    padding: 48px 40px;
    text-align: center;
    background: #ffffff;

    border: 1px solid #d9dee7;
    border-radius: 12px;

    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.reference {
            margin-top: 25px;
            font-size: 13px;
            color: #9ca3af;
        }