@media (max-width: 900px) {
  nav { padding: 1rem 1.5rem; }
  .nav-toggle { display: inline-flex; align-items: center; }
  .nav-links { display: none; }
  nav.open .nav-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    position: absolute;
    top: 100%;
    right: 1.5rem;
    background: rgba(245,239,230,0.9);
    border: 1px solid var(--line);
    padding: 1rem 1.25rem;
    border-radius: 0.5rem;
    box-shadow: 0 12px 20px rgba(26,20,16,0.25);
    width: min(260px, calc(100vw - 3rem));
  }
  nav.open .nav-links a {
    padding: 0.5rem 0;
    display: block;
  }
  #hero { grid-template-columns: 1fr 1fr; }
  .hero-left { padding: 3rem 1rem 3rem 1.5rem; }
  .hero-right { display: flex; justify-content: center; padding: 3rem 1.5rem 3rem 1rem; }
  .hero-right .my-image { width: 140px; height: 200px; zoom: 200%; }
  section { padding: 5rem 1.5rem; }
  #poems { margin: 0 -1.5rem; padding: 5rem 1.5rem; }
  footer { padding: 2rem 1.5rem; flex-direction: column; gap: 0.5rem; text-align: center; }
  .about-grid, .edu-grid { grid-template-columns: 1fr; gap: 2rem; }
  .skills-grid { grid-template-columns: 1fr 1fr; }
  .vol-item { grid-template-columns: 1fr; gap: 0.3rem; }
}