@media (max-width: 768px) {

  body {
    padding: 0;
    margin: 0;
  }

  .container {
    width: 100%;
    padding: 20px;
  }

  .title {
    font-size: 1.6rem;
    text-align: center;
  }

  .subtitle {
    font-size: 0.9rem;
    text-align: center;
  }

  .input-box {
    flex-direction: column;
    gap: 12px;
  }

  input {
    width: 100%;
    font-size: 16px;
    padding: 14px;
  }

  button {
    width: 100%;
    padding: 14px;
    font-size: 16px;
  }

  .icons {
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
  }

  footer {
    font-size: 12px;
    padding: 15px;
    text-align: center;
  }

}