@media (max-width: 1024px) {
  .skills-layout { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 900px) {
  nav { padding: 18px 20px; }
  .nav-links { display: none; }
  section { padding: 80px 20px; }
  #hero { padding: 0 20px 60px; }
  .hero-number { display: none; }
  #particles-canvas,
  .hero-particles-vignette { width: 100%; opacity: .4; }
  #about { grid-template-columns: 1fr; gap: 40px; }
  .projects-grid { grid-template-columns: 1fr; }
  .project-card.featured { grid-column: auto; aspect-ratio: 16/10; }
  .project-desc,
  .project-tags { opacity: 1; transform: none; }
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .timeline { padding-left: 40px; }
  .timeline-dot { left: -44px; }
  .activity-card { grid-template-columns: 1fr; gap: 20px; padding: 28px 22px; }
  .activity-columns { grid-template-columns: 1fr; gap: 18px; }
  .hero-bottom { flex-direction: column; align-items: flex-start; gap: 24px; }
  footer { flex-direction: column; gap: 10px; text-align: center; padding: 24px 20px; }
  body,
  .project-card { cursor: auto; }
  #cursor,
  #cursor-ring { display: none; }
}

@media (max-width: 480px) {
  .about-stats { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
  .contact-socials { flex-direction: column; }
}