@media (max-width: 1024px) {
  nav ul { gap: 20px; }
  .timeline { width: min(100%, 780px); }
}

@media (max-width: 900px) {
  h1 { font-size: 1.5rem; }
  p { font-size: 0.9rem; }

  .about-container {
    flex-direction: column;
    text-align: center;
  }

  .projects-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
  }

  .social-links {
  margin-top: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
}
}

@media (max-width: 768px) {
  nav ul { gap: 16px; }

  .buttons { flex-direction: column; }

  .line-effect {
    bottom: 4rem;
    height: 70px;
    filter: blur(140px);
  }
}

@media (max-width: 600px) {
  .timeline { padding-left: 22px; }
  .timeline-item::before { left: -8px; width: 12px; height: 12px; }
}