/* Responsive rules. Breakpoints: 1100 (small laptop), 960 (tablet / mobile nav), 640 (phones). */

@media (max-width: 1100px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .tiles { grid-template-columns: repeat(3, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .nav-link { padding: 10px 9px; font-size: .94rem; }
}

@media (max-width: 960px) {
  :root { --header-h: 68px; }
  .nav-toggle { display: inline-flex; }
  .primary-nav { position: absolute; left: 0; right: 0; top: 100%; background: #fff; border-bottom: 3px solid var(--gold); box-shadow: var(--shadow-md); max-height: calc(100vh - var(--header-h) - 44px); overflow-y: auto; display: none; }
  .primary-nav.is-open { display: block; }
  .primary-nav ul { flex-direction: column; align-items: stretch; gap: 0; padding: 8px 20px 20px; }
  .primary-nav li { border-bottom: 1px solid var(--line); }
  .nav-link { padding: 14px 4px; font-size: 1.05rem; }
  .nav-link::after { display: none; }
  .nav-link.is-active { color: var(--orange-dark); box-shadow: inset 3px 0 0 var(--gold); padding-left: 12px; }
  .has-sub { flex-wrap: wrap; }
  .has-sub > .nav-link { flex: 1; }
  .sub-toggle { margin: 0; padding: 12px; }
  .sub-toggle .icon { width: 22px; height: 22px; }
  .submenu { position: static; width: 100%; box-shadow: none; border-top: 0; border-left: 3px solid var(--gold); border-radius: 0; background: var(--grey-light); min-width: 0; margin-bottom: 10px; }
  .has-sub:hover > .submenu, .has-sub:focus-within > .submenu { display: none !important; }
  .has-sub.open > .submenu { display: flex !important; }
  .nav-cta { margin: 16px 0 0; border: 0 !important; }
  .nav-cta .btn { width: 100%; }

  .split, .contact-layout, .location-layout { grid-template-columns: 1fr; }
  .service-layout { grid-template-columns: 1fr; }
  .service-side { position: static; }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .hero__overlay { background: linear-gradient(180deg, rgba(11, 45, 92, .85), rgba(11, 45, 92, .75)); }
}

@media (max-width: 640px) {
  body { font-size: 1rem; }
  .container { padding: 0 16px; }
  .topbar__loc { display: none; }
  .brand__text strong { font-size: 1rem; }
  .brand__text small { display: none; }
  .grid--2, .grid--3, .grid--4, .steps, .form-grid { grid-template-columns: 1fr; }
  .tiles { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .grid { gap: 20px; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; padding-top: 48px; }
  .hero { min-height: 560px; }
  .hero__actions .btn, .cta-band__actions .btn { width: 100%; }
  .cta-band__actions { width: 100%; }
  .card { padding: 22px; }
  .team-card, .article-card, .industry-card { padding: 0; }
  .btn-row .btn { width: 100%; }
  .wa-float { width: 54px; height: 54px; right: 14px; bottom: 14px; }
  .section-head { margin-bottom: 30px; }
  main { padding-bottom: 0; }
}

@media (max-width: 380px) {
  .tiles { grid-template-columns: 1fr; }
  h1 { font-size: 1.8rem; }
}

@media print {
  .topbar, .site-header, .wa-float, .cta-band, .nav-toggle { display: none !important; }
  .reveal-ready .reveal { opacity: 1 !important; transform: none !important; }
}