/* Enhanced Navigation with Mega Menus */

/* Mega Menu Container */
.mega-menu-container {
  position: fixed;
  top: 72px;
  left: 0;
  width: 100%;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-base);
  z-index: 999;
  pointer-events: none;
}

.mega-menu-container.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: all;
}

/* Keep menu open when hovering */
.mega-menu-container:hover {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: all;
}

.mega-menu {
  max-width: 1240px;
  margin: 0 auto;
  padding: var(--space-4) var(--space-6);
}

.mega-menu-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-4);
  align-items: start;
}

.mega-menu-section {
  display: flex;
  flex-direction: column;
}

.mega-menu-section h3 {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 2px solid var(--color-border-light);
}

.mega-menu-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.mega-menu-links li {
  margin: 0;
}

.mega-menu-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  text-decoration: none;
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  gap: var(--space-2);
}

.mega-menu-links a:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
  transform: translateX(4px);
}

.mega-menu-links a span {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.mega-menu-links .badge {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-size: 0.7rem;
  font-weight: 600;
  margin-left: auto;
}

.mega-menu-cta {
  grid-column: 1 / -1;
  display: flex;
  gap: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-light);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--space-2);
}

/* Mobile Navigation Bottom Bar */
.mobile-nav-bottom {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
  z-index: 1000;
  padding: var(--space-2) 0;
}

.mobile-nav-bottom.active {
  display: flex;
}

/* Show mobile nav bottom by default on mobile screens */
@media (max-width: 768px) {
  .mobile-nav-bottom {
    display: flex !important;
  }
}

.mobile-nav-items {
  display: flex;
  justify-content: space-around;
  align-items: center;
  width: 100%;
  max-width: 100%;
  padding: 0 var(--space-4);
}

.mobile-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  font-weight: 500;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  flex: 1;
  max-width: 80px;
}

.mobile-nav-item.active,
.mobile-nav-item:hover {
  color: var(--color-primary);
  background: var(--color-bg-alt);
}

.mobile-nav-item .icon {
  font-size: 1.5rem;
  line-height: 1;
}

.mobile-nav-item .label {
  font-size: 0.7rem;
  text-align: center;
  line-height: 1.2;
}

/* Responsive Mega Menus */
@media (max-width: 1024px) {
  .mega-menu-content {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }
}

@media (max-width: 768px) {
  .mega-menu-container {
    display: none; /* Hide mega menus on mobile */
  }
  
  .mobile-nav-bottom {
    display: flex !important; /* Always show on mobile */
  }
  
  /* Add padding to body to account for bottom nav */
  body {
    padding-bottom: 80px;
  }
  
  /* Ensure main content has space above mobile nav */
  main {
    padding-bottom: 80px !important;
  }
  
  /* Ensure sections have proper spacing */
  section:last-child {
    padding-bottom: calc(var(--space-20) + 80px) !important;
  }
  
  /* Mobile Sidebar Navigation */
  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    width: 280px;
    max-width: 85vw;
    height: calc(100vh - 72px - 70px); /* Full height minus nav and bottom bar */
    bottom: 70px; /* Above mobile nav */
    background: var(--color-surface);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-6) 0;
    overflow-y: auto;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    z-index: 9999;
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.15);
    border-right: 1px solid var(--color-border);
  }
  
  .nav-links.active {
    transform: translateX(0);
  }
  
  /* Overlay when menu is open */
  .nav-overlay {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 70px;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
  }
  
  .nav-overlay.active {
    opacity: 1;
    visibility: visible;
  }
  
  .nav-links li {
    width: 100%;
    margin: 0;
  }
  
  .nav-links a {
    width: 100%;
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--color-border-light);
    justify-content: flex-start;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text);
    transition: all 0.2s ease;
  }
  
  .nav-links a:hover {
    background: var(--color-bg-alt);
    color: var(--color-primary);
    padding-left: var(--space-8);
  }
  
  .nav-links .btn-nav {
    margin: var(--space-2) var(--space-6);
    width: auto;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
  
  .nav-toggle span {
    transition: all var(--transition-base);
  }
}

/* Desktop hover states */
@media (min-width: 769px) {
  .nav-links li:hover .mega-menu-container {
    opacity: 1;
    visibility: visible;
  }
}