/* ── Tablet: < 1024px ────────────────────────────────────────────────── */

@media (max-width: 1024px) {
  .project-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  }
}

/* ── Mobile: < 640px ─────────────────────────────────────────────────── */

@media (max-width: 1250px) {
  /* Nav hamburger */
  .nav__links {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-4) var(--gutter);
  }

  .nav__link {
    width: 100%;
    padding-block: var(--space-3);
    border-bottom: 1px solid var(--color-border-subtle);
  }

  .nav__link::after {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }

  body[data-nav-open] .nav__links {
    display: flex;
  }

  body[data-nav-open] .nav__hamburger span:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
  }
  body[data-nav-open] .nav__hamburger span:nth-child(2) {
    opacity: 0;
  }
  body[data-nav-open] .nav__hamburger span:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
  }
}

@media (max-width: 640px) {
  /* Hero */
  .hero {
    min-height: 70vh;
    padding-block: var(--space-20) var(--space-16);
  }

  /* Grids */
  .category-grid,
  .project-grid,
  .tool-grid {
    grid-template-columns: 1fr;
  }

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

  /* Project nav */
  .project-nav {
    grid-template-columns: 1fr;
  }

  /* Footer */
  .footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  /* Page hero */
  .page-hero {
    padding-block: var(--space-12) var(--space-10);
  }

  /* Cover photo */
  .cover-photo {
    aspect-ratio: 4 / 3;
    border-radius: var(--border-radius-lg);
  }

  /* Lightbox controls */
  .lightbox__btn {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
}