/* ==========================================================================
   KEZENCIA — RESPONSIVE UTILITIES & MEDIA QUERIES
   Breakpoints: Mobile (<640px), Tablet (640-1023px), Desktop (>=1024px)
   ========================================================================== */

/* --- Tablet Adjustments (max-width: 1023px) --- */
@media (max-width: 1023px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
    text-align: center;
  }

  .hero-content {
    align-items: center;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-visual-card {
    max-width: 520px;
    margin: 0 auto;
    width: 100%;
  }

  .comparison-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

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

  .stepper {
    overflow-x: auto;
    padding-bottom: var(--space-4);
  }
}

/* --- Mobile Adjustments (max-width: 639px) --- */
@media (max-width: 639px) {
  :root {
    --header-height: 64px;
  }

  .container {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }

  .section {
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
  }

  .section-sm {
    padding-top: var(--space-8);
    padding-bottom: var(--space-8);
  }

  /* Header & Navigation */
  .nav-menu,
  .nav-actions .btn {
    display: none;
  }

  .mobile-menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
  }

  /* Typography */
  .hero-title {
    font-size: 2.25rem;
  }

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

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

  /* Workflow & Showcase */
  .workflow-grid {
    grid-template-columns: 1fr;
  }

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

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

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

  .shot-board-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
  }

  .shot-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }

  .footer-compliance-badges {
    flex-wrap: wrap;
    justify-content: center;
  }

  /* Stepper */
  .stepper::before {
    display: none;
  }

  .stepper {
    justify-content: flex-start;
    gap: var(--space-3);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding: var(--space-2) 0;
  }

  .step-item {
    scroll-snap-align: start;
    flex-shrink: 0;
  }

  .step-label {
    font-size: 11px;
  }

  /* Modals */
  .modal {
    margin: var(--space-2);
    max-height: 94vh;
  }

  .modal-header,
  .modal-body,
  .modal-footer {
    padding: var(--space-5);
  }

  .legal-content-wrapper {
    padding: var(--space-6) var(--space-4);
  }
}

/* --- Accessibility & Touch Targets --- */
@media (pointer: coarse) {
  .btn,
  .nav-link,
  .form-input,
  .form-select,
  .accordion-trigger,
  .clarification-option-btn {
    min-height: 44px;
  }
}

/* --- Reduced Motion Preference --- */
@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;
  }
}