@media (max-width: 768px) {
  .section.head {
    margin-left: 0;
    border-left: none;
    border-top: 5px solid var(--accent-olive);
  }

  .section.head h1 {
    font-size: 2.5rem;
  }

  .site-nav ul {
    flex-direction: column;
    gap: 0.5rem;
  }

  .footer-columns {
    flex-direction: column;
    gap: 2rem;
  }
}