@media (max-width: 980px) {
  .hero-grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .projects-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .skills-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

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

  .main-nav {
    position: absolute;
    right: 4%;
    top: 70px;
    width: min(280px, 90vw);
    background: rgba(24, 24, 27, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    padding: 1rem;
    display: none;
    flex-direction: column;
    gap: 0.5rem;
  }

  .main-nav a {
    padding: 0.8rem 1rem;
    border-radius: 8px;
    transition: background 0.2s ease, color 0.2s ease;
  }

  .main-nav a::after {
    display: none;
  }

  .main-nav a:hover,
  .main-nav a:focus-visible {
    background: rgba(255, 255, 255, 0.05);
  }

  .main-nav.is-open {
    display: flex;
  }

  .projects-grid,
  .skills-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-wrap: wrap;
  }

  .modal-content {
    padding: 1.5rem;
    max-width: 90%;
  }

  .modal-icon {
    font-size: 2.4rem;
  }
}