@media (max-width: 480px) {
  body {
    font-size: 15px;
    padding: 0;
  }

  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .nav ul {
    flex-direction: column;
    gap: 0.8rem;
  }

  .container {
    padding: 1rem;
  }

  .site-main {
    padding: 1.5rem 0;
  }
}