@media (max-width: 768px) {
  /* Navigation toggle button */
  .menu-toggle {
    display: block;
    position: relative;
    top: 50%;
    right: 1rem;
    transform: translateY(-50%);
    z-index: 1100;
    font-size: 2em;
    background: none;
    border: none;
    cursor: pointer;
  }

  /* Mobile nav dropdown */
  .nav-links {
    transition: top 0.5s ease-in-out;
    display: none;
    flex-direction: column;
    position: absolute;
    top: 1em;
    right: 0;
    background: #fff;
    width: auto;
    min-width: max-content;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    padding: 1rem 0.5rem;
    z-index: 1000;
  }

  .nav-links.active {
    display: flex;
  }

  nav ul {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
  }

  /* Layout stacks vertically */
  .page-layout,
  .main-wrapper {
    flex-direction: column;
  }

  /* Hide sidebar and hero images */
  .sidebar,
  .sidebar-image,
  .hero-image {
    display: none;
  }

  /* Form grid becomes single column */
  .form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
    border-bottom: none;
    padding-bottom: 0;
    position: relative;
  }

  /* Hide vertical divider */
  .form-grid::before {
    display: none;
  }

  /* Remove column padding */
  .form-pair {
    padding: 0;
  }

  /* Center submit button */
  .form-submit {
    display: flex;
    justify-content: center;
    margin-top: 1.5rem;
  }

  /* Add spacing above file upload */
  .file-upload-row {
    margin-top: 1rem;
    margin-bottom: 2rem;
  }

  /* Optional: reduce heading size */
  h1 {
    font-size: 1.75rem;
    text-align: center;
  }

  h2 {
    font-size: 1.25rem;
    text-align: center;
    margin-top: 2rem;
    margin-bottom: 1rem;
  }

  /* Optional: adjust footer spacing */
  footer {
    text-align: center;
    padding: 1rem;
  }
}