/*///////////////////////////////////////////////////////////////////////////////////////////////////////////////////*/
/* Modern Dropdown Navigation System */

/* Main navigation dropdown containers */
.nav-dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-content {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-header);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-strong);
  min-width: 220px;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(-10px);
  transition: all var(--transition-normal);
  padding: var(--space-sm) 0;
  margin-top: var(--space-xs);
}

.nav-dropdown:hover .dropdown-content {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* Dropdown items */
.dropdown-item {
  display: block;
  padding: var(--space-xs) var(--space-md);
  color: var(--text-secondary);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  position: relative;
}

.dropdown-item:hover {
  background: var(--bg-tertiary);
  color: var(--accent-primary);
  padding-left: calc(var(--space-md) + 8px);
}

.dropdown-item::before {
  content: "";
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.dropdown-item:hover::before {
  content: "▸ ";
  opacity: 1;
  color: var(--accent-primary);
  position: absolute;
  left: var(--space-md);
}

/* Display pages section */
.dropdown-display-section {
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--space-xs);
  padding-bottom: var(--space-xs);
}

.dropdown-display-item {
  color: var(--accent-secondary);
  font-weight: 500;
}

.dropdown-display-item:hover {
  color: var(--accent-primary);
  background: var(--bg-tertiary);
}

/* Separator */
.dropdown-separator {
  display: block;
  padding: var(--space-xs) var(--space-md);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  cursor: default;
  pointer-events: none;
  text-align: center;
  margin: var(--space-xs) 0;
}

.dropdown-separator::before {
  content: "//";
  color: var(--accent-primary);
  margin-right: 4px;
}

.dropdown-separator::after {
  content: "-------";
  color: var(--text-muted);
}

/* Projects dropdown specific styling */
.projects-dropdown .dropdown-content {
  min-width: 280px;
}

/* Blog dropdown specific styling */
.blog-dropdown .dropdown-content {
  min-width: 240px;
}

/* Mobile dropdown handling */
@media (max-width: 767px) {
  .nav-dropdown {
    display: none; /* Hide dropdowns in mobile, use hamburger menu instead */
  }
}

/* Mobile hamburger menu dropdowns */
.overlay .nav-dropdown-mobile {
  width: 100%;
}

.overlay .dropdown-content-mobile {
  position: static;
  opacity: 1;
  visibility: visible;
  transform: none;
  background: var(--bg-secondary);
  border: none;
  border-radius: 0;
  box-shadow: none;
  margin: var(--space-sm) 0;
  padding: 0;
  backdrop-filter: none;
}

.overlay .dropdown-item {
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--font-size-base);
  margin-left: var(--space-md);
}

.overlay .dropdown-item:hover {
  padding-left: calc(var(--space-lg) + var(--space-md) + 8px);
}

.overlay .dropdown-separator {
  padding: var(--space-xs) var(--space-lg);
  margin-left: var(--space-md);
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
  .dropdown-content,
  .dropdown-item {
    transition: none;
  }
  
  .nav-dropdown:hover .dropdown-content {
    transform: translateX(-50%) translateY(0);
  }
}

/* Focus states for keyboard navigation */
.dropdown-item:focus {
  outline: 2px solid var(--accent-primary);
  outline-offset: -2px;
  background: var(--bg-tertiary);
  color: var(--accent-primary);
}

/* Loading state for dynamic content */
.dropdown-loading {
  padding: var(--space-md);
  text-align: center;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
}

.dropdown-loading::before {
  content: "Loading...";
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Arrow indicator for dropdown triggers */
.nav-dropdown > a::after {
  content: "";
  margin-left: 4px;
  border: 3px solid transparent;
  border-top-color: var(--text-secondary);
  transition: all var(--transition-fast);
  display: inline-block;
  vertical-align: middle;
}

.nav-dropdown:hover > a::after {
  border-top-color: var(--accent-primary);
  transform: rotate(180deg);
}

/* Dropdown stays open on focus-within for accessibility */
.nav-dropdown:focus-within .dropdown-content {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}