/* ==========================================================================
   Responsive Breakpoints & Mobile Optimization
   ========================================================================== */

@media (max-width: 1200px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .capabilities-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

@media (max-width: 992px) {
  :root {
    --header-height: 72px;
  }

  .mobile-nav-toggle {
    display: block;
    z-index: 1002;
  }

  .nav-menu-wrapper {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(360px, 85vw);
    height: 100vh;
    background: var(--bg-dark-depth);
    border-left: 1px solid var(--border-medium);
    padding: 6rem 2rem 3rem 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: right 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.7);
    z-index: 1001;
    overflow-y: auto;
  }

  .nav-menu-wrapper.is-open {
    right: 0;
  }

  .nav-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
    width: 100%;
  }

  .nav-link {
    font-size: 1.15rem;
  }

  .nav-dropdown-menu {
    position: static;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-subtle);
    box-shadow: none;
    margin-top: 0.5rem;
    width: 100%;
  }

  .nav-dropdown.is-open .nav-dropdown-menu {
    display: flex;
  }

  .nav-cta {
    flex-direction: column;
    width: 100%;
    margin-top: 2rem;
  }

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

  .calculator-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

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

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

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

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }

  .footer-brand {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .capabilities-grid {
    grid-template-columns: 1fr;
  }

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

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

  .dash-channel-split {
    grid-template-columns: 1fr;
  }

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

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

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

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

  .services-checkbox-grid {
    grid-template-columns: 1fr;
  }

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

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

  .footer-top {
    grid-template-columns: 1fr;
  }

  .footer-brand {
    grid-column: span 1;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }
}

/* Reduced Motion Accessibility */
@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;
  }
}