@media (max-width: 900px) {
  .hero-grid,
  .about-grid,
  .contact-grid,
  .skill-grid,
  .achievement-grid,
  .project-grid {
    grid-template-columns: 1fr 1fr;
  }

  .resume-card {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 760px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    inset: 74px 1rem auto 1rem;
    flex-direction: column;
    align-items: flex-start;
    background: white;
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: 20px;
    box-shadow: var(--shadow);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .nav-links.is-open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .nav-cta {
    display: inline-flex;
  }

  .hero-grid,
  .about-grid,
  .contact-grid,
  .skill-grid,
  .achievement-grid,
  .project-grid,
  .info-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 6.5rem;
  }

  .hero-actions,
  .resume-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

@media (max-width: 480px) {
  .section {
    padding: 4.5rem 0;
  }

  .navbar {
    min-height: 68px;
  }

  .hero h1 {
    font-size: 2.3rem;
  }

  .social-links {
    gap: 0.6rem;
  }

  .social-links a {
    width: 38px;
    height: 38px;
  }
}