@media (max-width: 480px) {

  /* Base scaling */
  body {
    font-size: 15px;
    padding: 0;
    margin: 0;
  }

  /* Generic container padding */
  .container,
  .site-main {
    padding: 1rem !important;
  }

  /* Global header layout */
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
  }

  /* Navigation collapses vertically */
  .nav ul {
    flex-direction: column;
    gap: 0.6rem;
    padding: 0;
  }

  .nav ul li a {
    font-size: 1rem;
    padding: 0.4rem 0;
  }

  /* SitMonitor header */
  .sm-header {
    height: auto;
    padding: 1rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .sm-title {
    font-size: 1.25rem;
    line-height: 1.2;
  }

  .sm-nav {
    width: 100%;
    display: flex;
    gap: 0.6rem;
  }

  .sm-btn {
    flex: 1;
    text-align: center;
    padding: 0.6rem 0.8rem;
    font-size: 1rem;
  }

  /* Contact page form */
  form input,
  form textarea,
  form button {
    width: 100%;
    font-size: 1rem;
  }

  /* Footer */
  footer {
    padding: 1.25rem 1rem;
    text-align: center;
    font-size: 0.9rem;
  }
}