/* ==========================================================================
   NEXA — HCIA AI Intelligence Platform
   Responsive Breakpoints & Mobile Optimization
   ========================================================================== */

/* Laptop & Medium Screens */
@media (max-width: 1024px) {
  :root {
    --sidebar-width: 240px;
  }

  .robot-wrapper {
    max-width: 480px;
    height: 360px;
  }

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

/* Tablet & Smaller Devices */
@media (max-width: 768px) {
  .navbar {
    padding: 0 1.25rem;
  }

  .nav-links {
    display: none; /* Mobile Drawer or Tab bar */
  }

  .hero-section {
    padding: 2rem 1rem 3.5rem 1rem;
  }

  .hero-greeting {
    font-size: 2.2rem;
  }

  .hero-subheadline {
    font-size: 1rem;
  }

  .robot-wrapper {
    max-width: 100%;
    height: 300px;
  }

  .pipeline-flow {
    flex-direction: column;
    gap: 2rem;
  }

  .pipeline-arrow {
    transform: rotate(90deg);
  }

  /* Chat Responsive Layout */
  .chat-layout {
    flex-direction: column;
  }

  .chat-sidebar {
    position: fixed;
    top: var(--header-height);
    left: 0;
    bottom: 0;
    width: 280px;
    transform: translateX(-100%);
    box-shadow: 10px 0 30px rgba(0, 0, 0, 0.7);
  }

  .chat-sidebar.mobile-open {
    transform: translateX(0);
  }

  .chat-messages-container {
    padding: 1.25rem 1rem;
  }

  .chat-bubble {
    max-width: 90%;
  }
}

/* Mobile Small Devices */
@media (max-width: 480px) {
  .hero-greeting {
    font-size: 1.85rem;
  }

  .quick-chips-row {
    flex-direction: column;
    width: 100%;
  }

  .chip-btn {
    width: 100%;
    justify-content: center;
  }

  .user-pill-name {
    display: none;
  }
}