/* =============================================
   NEURAL — Responsive Styles
   ============================================= */

/* ===== TABLET (≤ 1024px) ===== */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,.12); }
  .stat-item:nth-child(odd) { border-right: 1px solid rgba(255,255,255,.12); }
  .stat-item:nth-last-child(-n+2) { border-bottom: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .featured-article { grid-template-columns: 1fr; }
  .featured-article__img { aspect-ratio: 16/9; }
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .newsletter-section { grid-template-columns: 1fr; gap: 24px; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .sitemap-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ===== SMALL TABLET (≤ 768px) ===== */
@media (max-width: 768px) {
  :root { font-size: 16px; }

  .site-nav { display: none; }
  .hamburger { display: flex; }

  .site-nav.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--color-surface);
    z-index: 999;
    padding: 80px 24px 40px;
    gap: 4px;
    overflow-y: auto;
  }
  .site-nav.open a {
    font-size: 1.1rem;
    padding: 14px 18px;
    border-bottom: 1px solid var(--color-border);
    border-radius: 0;
  }
  .nav-dropdown-menu {
    position: static;
    box-shadow: none;
    border: none;
    border-radius: 0;
    display: none;
    background: var(--color-bg);
    padding-left: 18px;
  }
  .nav-dropdown.open .nav-dropdown-menu { display: block; }

  .nav-close-btn {
    position: fixed;
    top: 20px; right: 20px;
    background: none;
    border: none;
    font-size: 1.6rem;
    cursor: pointer;
    color: var(--color-navy);
    z-index: 1001;
    display: none;
  }
  .site-nav.open ~ .nav-close-btn,
  .nav-close-btn.visible { display: block; }

  .hero { min-height: 400px; }
  .hero-content { padding: 48px 0; }

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

  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .contact-layout { grid-template-columns: 1fr; gap: 32px; }
  .articles-layout { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }

  .article-card--horiz { flex-direction: column; }
  .article-card--horiz .article-card__img-wrap { width: 100%; height: auto; aspect-ratio: 16/9; }

  .article-sidebar { grid-template-columns: 1fr; }

  .newsletter-section { padding: 32px 24px; }
  .newsletter-form { flex-direction: column; }
  .newsletter-form input { border-right: 1px solid var(--color-border); border-radius: var(--radius-sm); }
  .btn-newsletter { border-radius: var(--radius-sm); width: 100%; padding: 14px; }

  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-bottom-links { flex-wrap: wrap; justify-content: center; }

  .page-hero { padding: 32px 0 28px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }

  .top-bar-date { display: none; }
  .related-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .sitemap-grid { grid-template-columns: 1fr; }

  .share-bar { gap: 8px; }

  .data-table { font-size: .82rem; }
  .data-table th, .data-table td { padding: 10px 12px; }
}

/* ===== MOBILE (≤ 480px) ===== */
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero h1 { font-size: 1.8rem; }
  h1 { font-size: 1.6rem; }
  h2 { font-size: 1.3rem; }
  .section { padding: 40px 0; }
  .stats-section { padding: 40px 0; }
  .stats-grid { grid-template-columns: 1fr; }
  .stat-item { border-right: none; }
  .grid-4 { grid-template-columns: 1fr; }
  .section-header { flex-direction: column; align-items: flex-start; gap: 10px; }
}

/* ===== PRINT ===== */

@media print {
  .site-header, .site-footer, .cookie-banner, .share-bar, .sidebar-widget { display: none !important; }
  .article-layout { grid-template-columns: 1fr; }
  body { background: #fff; color: #000; font-size: 12pt; }
  h1, h2, h3 { color: #000; }
  a { color: #000; }
}