/* ========================================
   Bruviti Navigation System Styles
   Sharp-edge aesthetic for enterprise AI platform
   ======================================== */

/* ========================================
   Navigation Header
   ======================================== */
.nav-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px; /* Increased from 64px */
  background-color: var(--secondary-dark);
  border-bottom: 1px solid var(--medium-gray);
  z-index: var(--z-sticky, 1020);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(10px);
}

.nav-container {
  max-width: var(--container-2xl, 1440px);
  margin: 0 auto;
  padding: 0 var(--space-6); /* Increased from space-4 (32px) */
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: opacity var(--transition-fast, 0.2s ease);
  cursor: pointer;
  z-index: 1;
}

.nav-logo:hover {
  opacity: 0.8;
}

.nav-logo-img {
  height: 40px; /* Desktop: 40px height as requested */
  width: auto;
  display: block;
  border-radius: 0; /* Maintain sharp-edge design system */
  transition: opacity var(--transition-fast, 0.2s ease);
}

/* ========================================
   Hamburger Menu Button
   ======================================== */
.nav-hamburger {
  position: relative;
  width: 48px;
  height: 48px;
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 12px;
  transition: background-color var(--transition-fast, 0.2s ease);
  z-index: 1;
}

.nav-hamburger:hover {
  background-color: var(--primary-dark);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.nav-hamburger:focus-visible {
  outline: 2px solid var(--accent-orange);
  outline-offset: 2px;
}

.nav-hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-white);
  transition: all var(--transition-fast, 0.2s ease);
  transform-origin: center;
}

.nav-hamburger--active .nav-hamburger-line:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-hamburger--active .nav-hamburger-line:nth-child(2) {
  opacity: 0;
}

.nav-hamburger--active .nav-hamburger-line:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* ========================================
   Full-Page Overlay Menu
   ======================================== */
.nav-mobile-menu {
  position: fixed;
  top: 0;
  left: -100%;
  width: 100vw;
  height: 100vh;
  background-color: var(--secondary-dark);
  overflow: hidden;
  transition: left var(--transition-base, 0.3s ease);
  z-index: var(--z-modal, 1040);
  display: flex;
}

.nav-mobile-menu--open {
  left: 0;
}

/* Desktop Layout: Split Screen (50/50) */
@media (min-width: 1024px) {
  .nav-mobile-menu {
    flex-direction: row;
  }
  
  .nav-menu-section {
    width: 50%;
    height: 100vh;
    max-height: 100vh; /* Prevent viewport overflow */
    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--medium-gray) var(--secondary-dark);
    position: relative;
    /* Ensure proper z-index stacking */
    z-index: 1;
  }
  
  .nav-newsroom-section {
    width: 50%;
    height: 100vh;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--medium-gray) var(--primary-dark);
    background-color: var(--primary-dark);
    border-left: 1px solid var(--medium-gray);
  }
}

/* Mobile Layout: Stacked */
@media (max-width: 1023px) {
  .nav-mobile-menu {
    flex-direction: column;
  }
  
  .nav-menu-section {
    width: 100%;
    flex: 1 1 60vh; /* Flexible height with 60vh basis */
    min-height: 0; /* Allow shrinking */
    max-height: 60vh; /* Prevent viewport overflow */
    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--medium-gray) var(--secondary-dark);
    border-bottom: 1px solid var(--medium-gray);
    position: relative;
    /* Ensure proper z-index stacking */
    z-index: 1;
  }
  
  .nav-newsroom-section {
    width: 100%;
    flex: 0 0 40vh; /* Fixed 40vh height */
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--medium-gray) var(--primary-dark);
    background-color: var(--primary-dark);
    border-top: 1px solid var(--medium-gray);
  }
}

/* ========================================
   Custom Scrollbar Styling
   ======================================== */

/* Custom scrollbar styling for webkit browsers */
.nav-menu-section::-webkit-scrollbar,
.nav-newsroom-section::-webkit-scrollbar {
  width: 6px;
}

.nav-menu-section::-webkit-scrollbar-track,
.nav-newsroom-section::-webkit-scrollbar-track {
  background: var(--secondary-dark);
}

.nav-newsroom-section::-webkit-scrollbar-track {
  background: var(--primary-dark);
}

.nav-menu-section::-webkit-scrollbar-thumb,
.nav-newsroom-section::-webkit-scrollbar-thumb {
  background: var(--medium-gray);
  border-radius: 0; /* Sharp edges */
}

.nav-menu-section::-webkit-scrollbar-thumb:hover,
.nav-newsroom-section::-webkit-scrollbar-thumb:hover {
  background: var(--light-gray);
}

/* Scroll indicators - disabled to prevent gray line in Solutions dropdown */

.nav-newsroom-section::after {
  content: '';
  position: sticky;
  bottom: 0;
  left: 0;
  right: 0;
  height: 20px;
  background: linear-gradient(transparent 0%, var(--primary-dark) 100%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.nav-newsroom-section.has-scroll::after {
  opacity: 1;
}

/* ========================================
   Navigation Overlay Logo Section
   ======================================== */
.nav-overlay-logo-section {
  padding: var(--space-5) var(--space-6); /* Increased padding to match homepage logo spacing */
  border-bottom: 1px solid var(--medium-gray);
  background-color: var(--secondary-dark);
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  justify-content: flex-start; /* Align to left */
  align-items: center;
  min-height: 72px; /* Match homepage header height */
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); /* Subtle shadow for depth */
}

.nav-overlay-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: opacity var(--transition-fast, 0.2s ease);
  cursor: pointer;
  z-index: 1;
}

.nav-overlay-logo:hover {
  opacity: 0.8;
}

.nav-overlay-logo-img {
  height: 40px; /* Match homepage logo exactly */
  width: auto;
  display: block;
  border-radius: 0; /* Maintain sharp-edge design system */
  transition: opacity var(--transition-fast, 0.2s ease);
}

.nav-overlay-logo:focus-visible {
  outline: 2px solid var(--accent-orange);
  outline-offset: 2px;
  border-radius: 0;
}

/* Logo section animation on menu open */
.nav-mobile-menu--open .nav-overlay-logo-section {
  animation: slideInFromTop 0.3s ease-out;
}

@keyframes slideInFromTop {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.nav-mobile-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5); /* Reduced top padding since logo is smaller */
  border-bottom: 1px solid var(--medium-gray);
  background-color: var(--primary-dark);
  position: sticky;
  top: 0;
  z-index: 1;
  margin-top: 0; /* Ensure no extra margin after logo section */
}

.nav-mobile-title {
  font-size: 1rem; /* 16px - MINIMUM */
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--light-gray);
}

.nav-close {
  position: absolute;
  top: var(--space-4); /* Match hamburger positioning */
  right: var(--space-6); /* Match nav-container padding: 32px */
  width: 48px; /* Match hamburger width */
  height: 48px; /* Match hamburger height */
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none; /* Remove border to match hamburger */
  cursor: pointer;
  transition: all var(--transition-fast, 0.2s ease); /* Match hamburger transition */
  border-radius: 0;
  padding: 12px; /* Match hamburger padding for exact visual alignment */
  z-index: 1060; /* Ensure it's above all other nav elements */
}

.nav-close:hover {
  background-color: var(--primary-dark);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  transform: rotate(90deg);
}

.nav-close:focus-visible {
  outline: 2px solid var(--accent-orange);
  outline-offset: 2px;
  border-radius: 0;
}

/* ========================================
   Navigation List
   ======================================== */
.nav-list {
  list-style: none;
  padding: 0 0 40px 0; /* Reduced bottom padding */
  margin: 0;
  flex: 1 0 auto; /* Flexible growth with auto basis */
  min-height: min-content; /* Allow dynamic height */
  position: relative;
}

/* First navigation item spacing adjustment after removing Home */
.nav-list .nav-item:first-child {
  margin-top: 0; /* Ensure proper spacing from header */
}

.nav-item {
  border-bottom: 1px solid var(--medium-gray);
  opacity: 0;
  transform: translateX(20px);
  transition: all var(--transition-fast, 0.2s ease);
}

.nav-mobile-menu--open .nav-item {
  opacity: 1;
  transform: translateX(0);
}

.nav-link {
  display: flex;
  align-items: center;
  padding: var(--space-5) var(--space-6); /* Increased padding (24px 32px) */
  color: var(--text-white);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  transition: all var(--transition-base, 0.3s ease);
  position: relative;
  border-left: 3px solid transparent;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--accent-orange), transparent);
  transform: scaleX(0);
  transition: transform var(--transition-base, 0.3s ease);
  transform-origin: left;
}

/* Navigation link wrapper for dual functionality */
.nav-link-wrapper {
  display: flex;
  align-items: center;
  position: relative;
  border-left: 3px solid transparent;
  transition: all var(--transition-base);
}

.nav-link-wrapper:hover {
  background-color: var(--primary-dark);
  border-left-color: var(--accent-orange);
}

/* Main navigation link (navigates to page) */
.nav-link-main {
  flex: 1;
  border-left: none;
  padding-right: 0;
}

/* Expand button */
.nav-expand-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5) var(--space-4);
  background: transparent;
  border: none;
  color: var(--light-gray);
  cursor: pointer;
  transition: all var(--transition-base);
}

.nav-expand-btn:hover {
  color: var(--accent-orange);
}

/* Solutions dropdown chevron color - gray by default, orange on hover */
.nav-mobile-menu .nav-expand-btn .nav-arrow {
  stroke: var(--light-gray);
}

.nav-mobile-menu .nav-expand-btn .nav-arrow path {
  stroke: var(--light-gray);
}

.nav-mobile-menu .nav-link-wrapper:hover .nav-expand-btn .nav-arrow {
  stroke: var(--accent-orange);
}

.nav-mobile-menu .nav-link-wrapper:hover .nav-expand-btn .nav-arrow path {
  stroke: var(--accent-orange);
}

/* Submenu arrow hover states - turn orange when hovering parent containers */
.nav-mobile-menu .nav-sublink:hover .nav-expand-icon {
  stroke: var(--accent-orange);
}

.nav-mobile-menu .nav-sublink:hover .nav-expand-icon path {
  stroke: var(--accent-orange);
}

/* Also target when hovering the entire subitem container */
.nav-mobile-menu .nav-subitem:hover .nav-expand-icon {
  stroke: var(--accent-orange);
}

.nav-mobile-menu .nav-subitem:hover .nav-expand-icon path {
  stroke: var(--accent-orange);
}

.nav-expand-btn:focus-visible {
  outline: 2px solid var(--accent-orange);
  outline-offset: -2px;
}

.nav-link:hover {
  background-color: var(--primary-dark);
  border-left-color: var(--accent-orange);
  padding-left: calc(var(--space-6) + 3px); /* Adjusted for new padding */
}

.nav-link:hover::after {
  transform: scaleX(1);
}

.nav-link--active {
  color: var(--accent-orange);
}

.nav-link--active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--accent-orange), var(--accent-orange));
  box-shadow: 0 0 8px var(--accent-orange-40);
}

.nav-link--accent {
  color: var(--accent-orange);
  font-weight: 500;
}

.nav-label {
  flex: 1;
  font-weight: 400;
  letter-spacing: 0.02em;
}

.nav-arrow {
  margin-left: auto;
  transition: transform var(--transition-fast, 0.2s ease);
}

/* ========================================
   Submenu Styles - 3-Level Hierarchy
   ======================================== */

/* Level 1 Submenu - Solution Pillars */
.nav-submenu {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base, 0.3s ease);
  background-color: var(--primary-dark);
  will-change: max-height; /* Optimize for animations */
  /* Ensure submenus don't extend beyond viewport */
  position: relative;
  z-index: 2;
}

/* Dropdown scroll container for Level 1 - Solutions dropdown only */
.nav-submenu--level-1 {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base, 0.3s ease);
}

/* Solutions dropdown - let JavaScript control max-height for animation */
#solutions-menu {
  overflow-x: hidden;
}

/* When Solutions dropdown is expanded, enable scrolling */
.is-expanded > #solutions-menu {
  overflow-y: auto !important;
  overflow-x: hidden !important;
}


.nav-submenu--level-1 {
  background-color: var(--primary-dark);
  border-top: 1px solid var(--medium-gray);
}

/* Level 2 Submenu - Use Cases */
.nav-submenu--level-2 {
  background-color: rgba(10, 10, 10, 0.5);
  border-top: 1px solid rgba(64, 64, 64, 0.3);
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base, 0.3s ease);
}

/* Dropdown scroll container for Level 2 - Solutions nested items only */
.nav-submenu--level-2.is-scrollable {
  max-height: 300px; /* Smaller height for nested Solutions items */
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: var(--medium-gray) rgba(10, 10, 10, 0.5);
  -webkit-overflow-scrolling: touch;
  /* Smooth scrolling behavior */
  scroll-behavior: smooth;
  /* Ensure proper positioning */
  position: relative;
  z-index: 4;
}

/* Custom scrollbar for Level 2 dropdowns */
.nav-submenu--level-2.is-scrollable::-webkit-scrollbar {
  width: 4px;
}

.nav-submenu--level-2.is-scrollable::-webkit-scrollbar-track {
  background: rgba(10, 10, 10, 0.5);
}

.nav-submenu--level-2.is-scrollable::-webkit-scrollbar-thumb {
  background: var(--medium-gray);
  border-radius: 0;
}

.nav-submenu--level-2.is-scrollable::-webkit-scrollbar-thumb:hover {
  background: var(--light-gray);
}

/* Expanded states - border styling */
.is-expanded > .nav-submenu {
  border-top: 1px solid var(--medium-gray);
}

[data-expandable].is-expanded > [data-submenu] {
  overflow: hidden; /* Keep hidden to prevent layout issues */
}

/* Subitem styles */
.nav-subitem {
  border-bottom: 1px solid rgba(64, 64, 64, 0.5);
  position: relative;
}

.nav-subitem:last-child {
  border-bottom: none;
}

/* Sublink styles with level-based indentation */
.nav-sublink {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5); /* Increased padding (20px 24px) */
  padding-left: calc(var(--space-6) * 2); /* 64px indentation */
  color: var(--light-gray);
  text-decoration: none;
  font-size: 1rem; /* 16px - MINIMUM */
  font-weight: 400; /* Normal weight for clean look */
  letter-spacing: 0.01em;
  transition: all var(--transition-fast, 0.2s ease);
  cursor: pointer;
}

/* Level 2 - clean indentation only */

.nav-sublink:hover {
  color: var(--text-white);
  background-color: var(--accent-orange-10);
  border-left: 2px solid var(--accent-orange);
  padding-left: calc(var(--space-6) * 2 - 2px); /* Adjusted for new padding */
}

.nav-sublink[data-level="2"] {
  padding-left: calc(var(--space-6) * 2); /* 64px for pillars */
}

.nav-sublabel {
  flex: 1;
}

/* Expand/collapse arrow animation */
.nav-expand-icon {
  transition: transform var(--transition-fast, 0.2s ease);
  flex-shrink: 0;
}

.nav-mobile-menu .nav-expand-icon {
  stroke: var(--light-gray);
}

.nav-mobile-menu .nav-expand-icon path {
  stroke: var(--light-gray);
}

.is-expanded > [data-expand-trigger] .nav-expand-icon {
  transform: rotate(90deg);
}

/* ========================================
   Level 3 - Individual Use Cases
   ======================================== */
.nav-nested-item {
  border-bottom: 1px solid rgba(64, 64, 64, 0.3);
}

.nav-nested-item:last-child {
  border-bottom: none;
}

.nav-nested-link {
  display: block;
  padding: var(--space-4) var(--space-5); /* Increased padding (20px 24px) */
  padding-left: calc(var(--space-6) * 3); /* 96px indentation for use cases */
  color: rgba(255, 255, 255, 0.7); /* Muted color for Level 3 */
  text-decoration: none;
  font-size: 0.95rem; /* Slightly smaller for Level 3 */
  font-weight: 400; /* Normal weight for Level 3 */
  transition: all var(--transition-fast, 0.2s ease);
}

/* Level 3 - clean indentation and muted color */

.nav-nested-link:hover {
  color: var(--accent-orange);
  background-color: var(--accent-orange-5);
}

.nav-nested-link--active {
  color: var(--accent-orange);
  font-weight: 600;
  position: relative;
}

.nav-nested-link--active::before {
  content: '';
  position: absolute;
  left: calc(var(--space-6) * 2.5); /* Adjusted for new spacing */
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 4px;
  background-color: var(--accent-orange);
}

/* ========================================
   Navigation Overlay
   ======================================== */
.nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 10, 10, 0.95);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base, 0.3s ease);
  z-index: var(--z-overlay, 1030);
  backdrop-filter: blur(8px);
}

.nav-overlay--visible {
  opacity: 1;
  visibility: visible;
}

/* ========================================
   Newsroom Section Styles
   ======================================== */
.nav-newsroom-section {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  margin-top: 0; /* Ensure proper spacing with logo section */
}

.nav-newsroom-header {
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--medium-gray);
}

.nav-newsroom-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-white);
  margin: 0 0 var(--space-2) 0;
  letter-spacing: 0.02em;
}

.nav-newsroom-subtitle {
  font-size: 1rem; /* 16px - MINIMUM */
  color: var(--light-gray);
  margin: 0;
  font-weight: 400;
}

.nav-newsroom-content {
  flex: 1;
  overflow-y: auto;
}

.nav-newsroom-grid {
  display: grid;
  gap: var(--space-4);
}

/* Desktop newsroom grid */
@media (min-width: 1024px) {
  .nav-newsroom-grid {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }
}

/* Mobile newsroom grid */
@media (max-width: 1023px) {
  .nav-newsroom-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
}

.nav-newsroom-item {
  background: var(--secondary-dark);
  border: 1px solid var(--medium-gray);
  padding: var(--space-4);
  transition: all var(--transition-base);
  cursor: pointer;
}

.nav-newsroom-item:hover {
  border-color: var(--accent-orange);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.nav-newsroom-item-date {
  font-size: 1rem; /* 16px - MINIMUM */
  color: var(--accent-orange);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-2);
}

.nav-newsroom-item-title {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-white);
  margin: 0 0 var(--space-2) 0;
  line-height: 1.4;
}

.nav-newsroom-item-excerpt {
  font-size: 1rem; /* 16px - MINIMUM */
  color: var(--light-gray);
  line-height: 1.5;
  margin: 0;
}

.nav-newsroom-cta {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--medium-gray);
  text-align: center;
}

.nav-newsroom-cta-link {
  display: inline-block;
  padding: var(--space-3) var(--space-5);
  background: var(--accent-orange);
  color: var(--primary-dark);
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem; /* 16px - MINIMUM */
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all var(--transition-base);
  border: 1px solid var(--accent-orange);
}

.nav-newsroom-cta-link:hover {
  background: transparent;
  color: var(--accent-orange);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px var(--accent-orange-30);
}

/* ========================================
   Breadcrumb Navigation
   ======================================== */
/* Breadcrumb styles moved to main.css for centralized management */

/* ========================================
   Main Content Adjustment
   ======================================== */
.main-content {
  margin-top: 72px; /* Adjusted for new header height */
  min-height: calc(100vh - 72px);
}

/* Body state when navigation menu is open */
body.nav-menu-open {
  /* Prevent other scroll listeners from interfering */
  overflow-x: hidden;
}

/* Ensure proper stacking when menu is open */
body.nav-menu-open .nav-mobile-menu {
  z-index: var(--z-modal, 1040);
}

/* .main-content.has-breadcrumbs moved to main.css */

/* ========================================
   Responsive Adjustments
   ======================================== */

/* Tablet Responsive (768px - 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
  .nav-container {
    padding: 0 var(--space-4); /* Reduced padding on tablets */
  }
  
  .nav-mobile-menu {
    width: 70vw; /* Narrower menu on tablets */
    max-width: 500px;
  }
  
  .nav-overlay-logo-img {
    height: 40px; /* Match homepage logo - no tablet specific sizing */
  }
  
  .nav-overlay-logo-section {
    padding: var(--space-4) var(--space-5); /* Medium padding for tablets */
    min-height: 60px; /* Match homepage header tablet height */
  }
  
  .nav-close {
    top: var(--space-3); /* Adjusted for tablet logo section */
    right: var(--space-4); /* Match nav-container tablet padding: 16px */
  }
}

/* Mobile Responsive (up to 767px) */
@media (max-width: 767px) {
  .nav-header {
    height: 60px; /* Slightly smaller on mobile */
  }
  
  .nav-container {
    padding: 0 var(--space-3); /* 12px padding on mobile */
  }
  
  .nav-logo-img {
    height: 32px; /* Mobile: 32px height as requested */
  }
  
  .nav-overlay-logo-img {
    height: 32px; /* Match homepage logo mobile sizing exactly */
  }
  
  .nav-overlay-logo-section {
    padding: var(--space-3) var(--space-4); /* Reduced padding on mobile */
    min-height: 60px; /* Match homepage header mobile height */
  }
  
  .nav-close {
    top: var(--space-2); /* Adjusted for mobile logo section */
    right: var(--space-3); /* Match nav-container mobile padding: 12px */
    width: 44px; /* Match hamburger width on mobile */
    height: 44px; /* Match hamburger height on mobile */
    padding: 10px; /* Match hamburger mobile padding for exact visual alignment */
  }
  
  .nav-hamburger {
    width: 44px;
    height: 44px;
    padding: 10px;
  }
  
  .main-content {
    margin-top: 60px;
  }
  
  .nav-mobile-menu {
    width: 100vw; /* Full width on mobile */
    padding: var(--space-4);
  }
  
  .nav-link,
  .nav-sublink,
  .nav-nested-link {
    min-height: 48px; /* Touch-friendly minimum height */
    display: flex;
    align-items: center;
  }
  
  /* Mobile Solutions dropdown scroll adjustments - let JavaScript handle max-height */
  .is-expanded > #solutions-menu {
    max-height: 300px !important; /* Smaller height on mobile for Solutions when expanded */
  }
  
  /* Mobile touch feedback for dropdown arrows - multiple approaches */
  .nav-expand-btn:active .nav-arrow,
  .nav-expand-btn:active .nav-expand-icon,
  .nav-expand-btn:focus .nav-arrow,
  .nav-expand-btn:focus .nav-expand-icon {
    stroke: #ff6b35 !important;
  }
  
  .nav-expand-btn:active .nav-arrow path,
  .nav-expand-btn:active .nav-expand-icon path,
  .nav-expand-btn:focus .nav-arrow path,
  .nav-expand-btn:focus .nav-expand-icon path {
    stroke: #ff6b35 !important;
  }
  
  .nav-sublink:active .nav-expand-icon,
  .nav-sublink:focus .nav-expand-icon {
    stroke: #ff6b35 !important;
  }
  
  .nav-sublink:active .nav-expand-icon path,
  .nav-sublink:focus .nav-expand-icon path {
    stroke: #ff6b35 !important;
  }
  
  /* Add tap highlight for iOS */
  .nav-expand-btn,
  .nav-sublink {
    -webkit-tap-highlight-color: rgba(255, 107, 53, 0.3);
  }
  
  /* Mobile-specific hierarchy improvements - clean approach */
  .nav-sublink[data-level="2"] {
    padding-left: 32px; /* Simple indentation for Level 2 on mobile */
    color: var(--light-gray); /* Consistent color */
  }
  
  .nav-nested-link {
    font-size: 0.9rem; /* Smaller on mobile for Level 3 */
    padding-left: 48px; /* More indentation for Level 3 on mobile */
    color: rgba(255, 255, 255, 0.6); /* More muted on mobile */
  }
}

/* Small Mobile (max-width: 480px) */
@media (max-width: 480px) {
  .nav-header {
    height: 64px; /* Slightly reduced on mobile */
  }
  
  .main-content {
    margin-top: 64px;
  }
  
  .nav-link {
    padding: var(--space-4); /* Increased from space-3 */
  }
  
  .nav-sublink {
    padding: var(--space-3) var(--space-4) var(--space-3) var(--space-7); /* Better spacing */
  }
  
  .nav-nested-link {
    padding: var(--space-3) var(--space-4) var(--space-3) var(--space-9); /* Better spacing */
  }
  
  .nav-newsroom-section {
    height: 40vh; /* Maintain consistent mobile newsroom height */
  }
  
  .nav-menu-section {
    height: 60vh; /* Maintain consistent mobile menu height */
  }
  
  .nav-list {
    flex: 1;
    min-height: fit-content;
    padding-bottom: 80px; /* Extra bottom padding on mobile */
  }
  
  /* Mobile submenu adjustments - max-height set dynamically by JS */
}

/* Touch device specific feedback - ensures orange feedback only on touch devices */
@media (hover: none) and (pointer: coarse) {
  .nav-expand-btn:active .nav-arrow,
  .nav-expand-btn:active .nav-expand-icon,
  .nav-expand-btn:focus .nav-arrow,
  .nav-expand-btn:focus .nav-expand-icon {
    stroke: #ff6b35 !important;
  }
  
  .nav-expand-btn:active .nav-arrow path,
  .nav-expand-btn:active .nav-expand-icon path,
  .nav-expand-btn:focus .nav-arrow path,
  .nav-expand-btn:focus .nav-expand-icon path {
    stroke: #ff6b35 !important;
  }
  
  .nav-sublink:active .nav-expand-icon,
  .nav-sublink:focus .nav-expand-icon {
    stroke: #ff6b35 !important;
  }
  
  .nav-sublink:active .nav-expand-icon path,
  .nav-sublink:focus .nav-expand-icon path {
    stroke: #ff6b35 !important;
  }
}

/* ========================================
   Animation States
   ======================================== */
.nav-item-has-children.nav-item--open > .nav-link .nav-arrow {
  transform: rotate(90deg);
}

.nav-subitem-has-children.nav-subitem--open > .nav-sublink .nav-nested-arrow {
  transform: rotate(90deg);
}

/* Visual hierarchy indicators */
.nav-item[data-expandable] {
  position: relative;
}

.nav-subitem[data-expandable] {
  position: relative;
}

/* Smooth height animations for all levels */
[data-submenu] {
  transition: max-height var(--transition-base, 0.3s ease);
  transform: translateZ(0); /* Enable hardware acceleration */
  backface-visibility: hidden; /* Prevent flickering */
}

/* Visual feedback for expandable items */
[data-expand-trigger]:hover {
  background-color: var(--accent-orange-5);
}

/* Ensure sharp edges throughout */
.nav-mobile-menu,
.nav-submenu,
.nav-nested-submenu,
.nav-close,
.nav-item,
.nav-subitem,
.nav-nested-item {
  border-radius: 0 !important;
}

/* ========================================
   Accessibility
   ======================================== */
.nav-hamburger[aria-expanded="true"] {
  background-color: var(--primary-dark);
}

/* Skip to content link */
.skip-to-content {
  position: absolute;
  left: -9999px;
  z-index: 999;
  padding: var(--space-4) var(--space-5); /* Increased padding */
  background-color: var(--accent-orange);
  color: var(--primary-dark);
  text-decoration: none;
  font-weight: 600;
  border-radius: 0;
}

.skip-to-content:focus {
  left: 50%;
  transform: translateX(-50%);
  top: var(--space-4);
}

/* Focus visible states */
*:focus-visible {
  outline: 2px solid var(--accent-orange);
  outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}