/* ==========================================================================
   ZUNEX TECHNOLOGIES — RESPONSIVE & ADAPTIVE STYLESHEET
   Mobile, Tablet, Desktop Breakpoints & Accessibility (Reduced Motion)
   ========================================================================== */

/* --------------------------------------------------------------------------
   Large Tablets & Narrow Desktops (< 1120px)
   -------------------------------------------------------------------------- */
@media (max-width: 1120px) {
  :root {
    --container-pad: 24px;
    --space-3xl: 96px;
    --space-2xl: 72px;
  }

  .band-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }

  .band-item {
    border-right: none;
    padding-inline: 0;
  }

  .band-item:nth-child(1),
  .band-item:nth-child(2) {
    border-bottom: 1px solid var(--c-forest-border);
    padding-bottom: var(--space-md);
  }

  .process-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
  }

  .process-grid::before {
    display: none;
  }

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

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

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }
}

/* --------------------------------------------------------------------------
   Tablets (< 900px)
   -------------------------------------------------------------------------- */
@media (max-width: 900px) {
  :root {
    --space-3xl: 72px;
    --space-2xl: 56px;
    --space-xl: 40px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .hero-content {
    max-width: 100%;
  }

  .intro-layout {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .intro-sticky {
    position: static;
  }

  .service-row,
  .service-row.reverse {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    padding: var(--space-lg);
  }

  .service-row.reverse .service-content {
    order: 1;
  }

  .service-row.reverse .service-panel {
    order: 2;
  }

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

  .project-summary-pane {
    border-right: none;
    border-bottom: 1px solid var(--c-border);
    padding: var(--space-lg);
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  /* Navigation Drawer on Mobile/Tablet */
  .mobile-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }

  .mobile-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .mobile-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .mobile-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .nav-container {
    height: 84px;
  }

  .nav-menu {
    position: fixed;
    top: 84px;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--c-ivory);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-xl) var(--container-pad);
    gap: var(--space-md);
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    border-top: 1px solid var(--c-border);
    overflow-y: auto;
    z-index: 999;
  }

  .nav-menu.open {
    transform: translateX(0);
  }

  .brand-link {
    height: 56px;
  }

  .brand-link img,
  .brand-link svg,
  .site-logo {
    height: 52px;
    max-width: 260px;
  }

  .nav-link {
    font-size: 1.25rem;
    padding-block: var(--space-xs);
    width: 100%;
    border-bottom: 1px solid var(--c-border);
  }

  .nav-actions {
    display: none;
  }

  .nav-mobile-cta {
    display: block;
    width: 100%;
    margin-top: var(--space-md);
  }

  .nav-mobile-cta .btn {
    width: 100%;
    padding-block: 14px;
    font-size: 1rem;
  }
}

/* --------------------------------------------------------------------------
   Mobile Phones (< 600px)
   -------------------------------------------------------------------------- */
@media (max-width: 600px) {
  :root {
    --container-pad: 18px;
    --space-3xl: 56px;
    --space-2xl: 44px;
    --space-xl: 32px;
  }

  .nav-container {
    height: 76px;
  }

  .nav-menu {
    top: 76px;
  }

  .brand-link {
    height: 50px;
  }

  .brand-link img,
  .brand-link svg,
  .site-logo {
    height: 48px;
    max-width: 230px;
  }

  .footer-brand img,
  .footer-logo {
    height: 54px;
    max-width: 260px;
  }

  .hero-section {
    padding-top: var(--space-xl);
    padding-bottom: var(--space-2xl);
  }

  .hero-copy {
    font-size: 1.0625rem;
  }

  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }

  .hero-cta-group .btn {
    width: 100%;
  }

  .hero-credentials {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }

  .band-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .band-item:nth-child(1),
  .band-item:nth-child(2),
  .band-item:nth-child(3) {
    border-bottom: 1px solid var(--c-forest-border);
    padding-bottom: var(--space-md);
  }

  .intro-specs-grid {
    grid-template-columns: 1fr;
  }

  .process-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .industries-matrix {
    grid-template-columns: 1fr;
  }

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

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

  .footer-top {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-block {
    padding: var(--space-xl) var(--space-md);
  }

  .cta-actions {
    flex-direction: column;
    width: 100%;
  }

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

/* --------------------------------------------------------------------------
   ACCESSIBILITY: PREFERS-REDUCED-MOTION
   Respect user preferences for reduced motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .blueprint-frame:hover,
  .process-step:hover .step-marker,
  .industry-card:hover,
  .btn:hover,
  .btn-arrow svg {
    transform: none !important;
  }
}