/* =========================================================
   Breakpoint overrides — mobile-first content, adjusted here
   ========================================================= */

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 860px) {
  .nav-desktop {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .timeline-body {
    grid-template-columns: 1fr;
  }

  .evidence-thumb {
    order: -1;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .cta-band {
    padding: var(--space-7) var(--space-5);
  }
}

@media (max-width: 640px) {
  .page-header {
    padding: var(--space-6) 0 var(--space-5);
  }

  .featured-project-link {
    grid-template-columns: 1fr;
    text-align: center;
    justify-items: center;
  }

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

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }

  .grid-4 {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .lightbox-nav {
    width: 40px;
    height: 40px;
    font-size: 1.1rem;
  }

  .lightbox-prev { left: var(--space-2); }
  .lightbox-next { right: var(--space-2); }
  .lightbox-close { top: var(--space-3); right: var(--space-3); }

  .cert-filters {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: var(--space-2);
    -ms-overflow-style: none;
    scrollbar-width: none;
  }

  .cert-filters::-webkit-scrollbar {
    display: none;
  }

  .cert-filter {
    flex-shrink: 0;
  }
}

@media (max-width: 400px) {
  .hero-meta {
    flex-direction: column;
    gap: var(--space-2);
  }

  .stats-strip {
    grid-template-columns: 1fr 1fr;
  }
}

/* No horizontal scroll, ever */
html, body {
  overflow-x: hidden;
}