/* ==========================================================================
   Responsive rules (desktop-first overrides)
   Breakpoints: 1180 · 1024 · 900 · 767 · 480 · 360
   ========================================================================== */

/* Tighten header at laptop widths so nav + two buttons always fit */
@media (max-width: 1180px) {
  .nav { margin-left: 16px; }
  .nav-list a { padding: 10px 9px; font-size: .93rem; }
  .nav-cta .btn { padding: 0 14px; }
  .value-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-cards { grid-template-columns: repeat(2, 1fr); }
  .footer-main { grid-template-columns: 1.3fr 1fr 1.4fr; }
  .footer-hours { grid-column: 1 / -1; }
}

/* Hamburger navigation: tablets and below */
@media (max-width: 1024px) {
  :root { --header-h: 64px; }
  .topbar { display: none; }
  .brand img { height: 46px; }
  .nav-toggle { display: inline-flex; }
  .nav {
    position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch; justify-content: flex-start; margin: 0;
    background: #fff; border-top: 1px solid var(--line); box-shadow: 0 24px 40px rgba(6, 20, 40, .18);
    height: calc(100vh - var(--header-h)); height: calc(100dvh - var(--header-h));
    padding: 12px var(--gutter) 28px; overflow-y: auto;
    visibility: hidden; opacity: 0; transform: translateY(-8px);
    transition: opacity .25s var(--ease), transform .25s var(--ease), visibility 0s .25s;
  }
  .nav.is-open { visibility: visible; opacity: 1; transform: none; transition-delay: 0s; }
  .nav-list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav-list li { border-bottom: 1px solid var(--line); }
  .nav-list a { padding: 18px 4px; font-size: 1.15rem; font-family: var(--font-head); font-weight: 600; }
  .nav-list a::after { display: none; }
  .nav-list a[aria-current="page"] { color: var(--gold-700); }
  .nav-list a[aria-current="page"]::before { content: ""; display: inline-block; width: 8px; height: 8px; margin-right: 12px; border-radius: 50%; background: var(--gold); vertical-align: middle; }
  .nav-cta { flex-direction: column; gap: 12px; margin-top: 24px; }
  .nav-cta .btn { width: 100%; min-height: 52px; font-size: 1rem; }
}

@media (max-width: 1024px) {
  .detail-top { grid-template-columns: 1fr; }
  .detail-creative { max-width: 460px; margin-inline: auto; }
  .cta-panel { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(var(--g-md, 3), 1fr); }
}

@media (max-width: 900px) {
  .trustbar-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-item:nth-child(3) { border-left: 0; }
  .trust-item:nth-child(n+3) { border-top: 1px solid var(--line); }
  .split { grid-template-columns: 1fr; }
  .split-media { max-width: 560px; }
  .plan { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .project-grid, .feature-list { grid-template-columns: 1fr; }
}

@media (max-width: 767px) {
  body { font-size: 1rem; }
  .section { padding-block: 56px; }
  .hero { min-height: 0; padding-block: 56px 112px; }
  .hero::before {
    background:
      linear-gradient(180deg, rgba(6, 20, 40, .82) 0%, rgba(6, 20, 40, .72) 55%, rgba(6, 20, 40, .9) 100%);
  }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .trustbar { margin-top: -60px; }
  .trust-item { flex-direction: column; align-items: flex-start; padding: 16px 14px; gap: 10px; }
  .trust-item .ico { width: 38px; height: 38px; }
  .trust-item strong { font-size: .88rem; }
  .trust-item span { font-size: .78rem; }
  .footer-main { grid-template-columns: 1fr; gap: 32px; }
  .footer-hours { grid-column: auto; }
  .footer-bottom { padding-bottom: 96px; }   /* room for floating buttons */
  .fab { width: 48px; height: 48px; }
  .fab .icon { width: 24px; height: 24px; }
  .fab-group { right: 12px; bottom: calc(12px + env(safe-area-inset-bottom, 0px)); gap: 10px; }
  .form-row { grid-template-columns: 1fr; }
  .radio-row { grid-template-columns: 1fr 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .spec .v { font-size: 1.2rem; }
  .card-body { padding: 20px 18px 22px; }
  .lb-stage { padding: 0 6px; }
  .lb-nav { top: auto; bottom: 8px; transform: none; }
  .lb-prev { left: 12px; }
  .lb-next { right: 12px; }
  .lb-img { max-height: calc(100vh - 200px); max-height: calc(100dvh - 200px); }
  .lb-caption { padding-bottom: 60px; }
  .modal-head { padding: 22px 20px 0; }
  .modal-body { padding: 18px 20px 24px; }
  .map-frame iframe { min-height: 320px; }
  .jump-nav ul { padding-inline: var(--gutter); margin-inline: calc(var(--gutter) * -1); }
}

@media (max-width: 480px) {
  .value-grid { grid-template-columns: 1fr; }
  .contact-cards { grid-template-columns: 1fr; }
  .card-actions-row { grid-template-columns: 1fr; }
  .detail-actions .btn { flex: 1 1 100%; }
  .cta-contact .btn { flex: 1 1 100%; }
  .brand img { height: 42px; }
  .error-actions .btn { width: 100%; }
}

@media (max-width: 380px) {
  .spec-grid { grid-template-columns: 1fr; }
  .facts { grid-template-columns: 1fr; }
  .trustbar-grid { grid-template-columns: 1fr; }
  .trust-item + .trust-item { border-left: 0; border-top: 1px solid var(--line); }
  .radio-row { grid-template-columns: 1fr; }
  .btn { padding: 0 16px; }
  h1 { font-size: 1.85rem; }
  .brand img { height: 38px; }
  .lb-btn { width: 42px; height: 42px; }
}

@media (min-width: 1600px) {
  :root { --container: 1280px; }
}

@media print {
  .site-header, .topbar, .fab-group, .site-footer, .jump-nav { display: none !important; }
  .js .reveal { opacity: 1; transform: none; }
}