/* Responsive Ergonomics & Mobile Adapter (Skill 9 & Skill 4) */

/* Large Tablets & Small Laptops (<= 1024px) */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .pillars-container {
    grid-template-columns: 1fr;
  }

  .pillars-nav {
    flex-direction: row;
    overflow-x: auto;
    padding-bottom: 0.5rem;
  }

  .pillar-nav-btn {
    white-space: nowrap;
  }

  .journey-step-panel {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .checkout-demo-grid {
    grid-template-columns: 1fr;
  }

  .admin-dashboard-mockup {
    grid-template-columns: 1fr;
  }

  .admin-sidebar {
    flex-direction: row;
    overflow-x: auto;
    padding: 0.75rem;
  }

  .admin-nav-item {
    white-space: nowrap;
  }
}

/* Tablets (<= 768px) */
@media (max-width: 768px) {
  .header-nav {
    display: none; /* Collapses to mobile focus */
  }

  .section {
    padding-top: 3.5rem;
    padding-bottom: 3.5rem;
  }

  .hero-actions {
    flex-direction: column;
  }

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

  .pillar-io-grid {
    grid-template-columns: 1fr;
  }

  .timeline-track::before {
    left: 18px;
  }

  .timeline-marker {
    width: 38px;
    height: 38px;
    font-size: 0.8125rem;
  }

  .delivery-track-flow {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
  }

  .delivery-step-item {
    flex-direction: row;
    text-align: left;
  }

  .floating-controls {
    bottom: 1rem;
    right: 1rem;
    padding: 0.35rem 0.6rem;
  }
}

/* Smartphones (<= 480px) */
@media (max-width: 480px) {
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .card {
    padding: 1.25rem;
    border-radius: var(--radius-md);
  }

  .btn {
    min-height: 48px;
    padding: 0.75rem 1.25rem;
    width: 100%;
  }

  .flow-card-item {
    padding: 0.75rem;
    gap: 0.75rem;
  }

  .flow-icon-box {
    width: 36px;
    height: 36px;
  }

  .problems-grid, 
  .risks-grid, 
  .decisions-grid {
    grid-template-columns: 1fr;
  }

  .phone-screen {
    height: 480px;
  }

  .chat-bubble {
    max-width: 92%;
    font-size: 0.8125rem;
  }

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

/* Extra Small Phones (<= 360px) */
@media (max-width: 360px) {
  .kpi-grid {
    grid-template-columns: 1fr;
  }

  .hero-title {
    font-size: 1.95rem;
  }
}