/* ==========================================================================
   RESPONSIVE.CSS — breakpoints layered on top of style.css
   Breakpoints: >=1400 wide desktop, 1200 desktop, 992 tablet-landscape,
   768 tablet, 576 mobile
   ========================================================================== */

@media (max-width: 1200px) {
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .industry-grid { grid-template-columns: repeat(3, 1fr); }
  .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
  .value-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-masonry { columns: 3; }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .timeline { grid-template-columns: repeat(3, 1fr); row-gap: 44px; }
  .timeline::before { display: none; }
}

@media (max-width: 992px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .about-preview .grid,
  .two-col,
  .service-detail .grid,
  .contact-grid { grid-template-columns: 1fr; }
  .service-detail .visual { position: relative; top: 0; aspect-ratio: 16/9; margin-bottom: 20px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 40px 20px; }
  .hero-floating-stats { flex-wrap: wrap; }
  .hero-floating-stats .stat { flex: 1 1 45%; border-right: none; border-bottom: 1px solid rgba(255,255,255,0.18); padding-bottom: 16px; margin-bottom: 10px; }
  .cta-banner .inner { flex-direction: column; align-items: flex-start; }
  .newsletter .inner { flex-direction: column; align-items: flex-start; }
  .footer-grid { grid-template-columns: 1fr 1fr; }

  /* Mobile nav panel */
  .main-nav.mobile-open {
    display: flex; flex-direction: column; align-items: stretch; position: fixed;
    top: 72px; left: 0; right: 0; bottom: 0; background: #fff; padding: 20px 24px 40px;
    overflow-y: auto; box-shadow: var(--shadow-lg); gap: 0;
  }
  .main-nav.mobile-open > ul { flex-direction: column; align-items: stretch; gap: 0; width: 100%; }
  .main-nav.mobile-open .nav-link { color: var(--color-dark) !important; width: 100%; padding: 16px 8px; border-bottom: 1px solid var(--color-border); border-radius: 0; }
  .main-nav.mobile-open .dropdown-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: none; display: none; padding-left: 14px; }
  .main-nav.mobile-open .has-dropdown.open .dropdown-menu { display: block; }
  .main-nav.mobile-open .header-cta { flex-direction: column; align-items: stretch; margin-top: 20px; gap: 12px; }
}

@media (max-width: 768px) {
  :root { --header-h: 72px; }
  .why-grid, .services-grid, .industry-grid, .testimonial-grid, .value-grid, .footer-grid { grid-template-columns: 1fr; }
  .gallery-masonry { columns: 2; }
  .timeline { grid-template-columns: 1fr 1fr; }
  .feature-list { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .about-visual .frame { aspect-ratio: 4/4; }
  .experience-badge { left: 12px; bottom: -20px; padding: 16px 18px; }
  .hero .lead { font-size: 1rem; }
  .hero-elevation { width: 80%; opacity: 0.35; right: -10%; }
  section, .about-preview, .why-us, .services-section, .industries, .process, .gallery-section, .testimonials, .faq-section, .content-section { padding-top: 72px; padding-bottom: 72px; }
  .stats-band { padding: 60px 0; }
  .cta-banner { padding: 60px 0; }
}

@media (max-width: 576px) {
  .gallery-masonry { columns: 1; }
  .timeline { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; gap: 30px; }
  .hero-floating-stats .stat { flex: 1 1 100%; }
  .hero-actions .btn { width: 100%; }
  .btn { width: 100%; }
  .hero-actions { flex-direction: column; }
  .cta-actions .btn { width: 100%; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .contact-info-card, .contact-form-wrap { padding: 28px 22px; }
}