/* ============================================
   Navigation Menu Component - Inspirado no shadcn/ui
   ============================================ */

/* Base Navigation Menu Container */
.navigation-menu {
  position: relative;
  display: flex;
  justify-content: center;
  width: 100%;
  z-index: var(--z-dropdown);
}

/* Navigation Menu List */
.navigation-menu__list {
  display: flex;
  flex-direction: row;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-1);
  background-color: transparent;
}

/* Navigation Menu Item */
.navigation-menu__item {
  position: relative;
}

/* Navigation Menu Link (simple link, no dropdown) */
.navigation-menu__link {
  display: block;
  padding: var(--spacing-3) var(--spacing-4);
  font-size: var(--font-size-sm);
  font-weight: 400;
  font-family: 'futura-pt', sans-serif;
  letter-spacing: .1em;
  line-height: 1.2142857143;
  text-transform: uppercase;
  font-style: normal;
  color: var(--foreground);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: color var(--transition-base), background-color var(--transition-base);
  cursor: pointer;
  outline: none;
  position: relative;
}

.navigation-menu__link::after {
  content: '';
  position: absolute;
  bottom: var(--spacing-1);
  left: var(--spacing-4);
  right: var(--spacing-4);
  height: 2px;
  background-color: var(--secondary-500);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
  border-radius: var(--radius-full);
}

.navigation-menu__link:hover {
  color: var(--primary-600);
  background-color: transparent;
}

.navigation-menu__link:hover::after {
  transform: scaleX(1);
}

.navigation-menu__link:focus-visible {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
}

.navigation-menu__link.active {
  color: var(--primary-600);
  background-color: transparent;
}

.navigation-menu__link.active::after {
  transform: scaleX(1);
}

/* Variant: No background on active state */
.navigation-menu--no-bg-active .navigation-menu__link.active {
  background-color: transparent;
  color: var(--primary-600);
}

.navigation-menu--no-bg-active .navigation-menu__link.active::after {
  transform: scaleX(1);
}

/* Navigation Menu Trigger (for dropdowns) */
.navigation-menu__trigger {
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
  padding: var(--spacing-3) var(--spacing-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-normal);
  color: var(--foreground);
  background-color: transparent;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: color var(--transition-base), background-color var(--transition-base);
  outline: none;
  position: relative;
}

.navigation-menu__trigger::after {
  content: '';
  position: absolute;
  bottom: var(--spacing-1);
  left: var(--spacing-4);
  right: var(--spacing-4);
  height: 2px;
  background-color: var(--secondary-500);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
  border-radius: var(--radius-full);
}

.navigation-menu__trigger:hover {
  color: var(--primary-600);
  background-color: transparent;
}

.navigation-menu__trigger:hover::after {
  transform: scaleX(1);
}

.navigation-menu__trigger:focus-visible {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
}

.navigation-menu__trigger[data-state="open"] {
  color: var(--primary-600);
  background-color: transparent;
}

.navigation-menu__trigger[data-state="open"]::after {
  transform: scaleX(1);
}

/* Chevron icon for trigger */
.navigation-menu__chevron {
  display: inline-flex;
  margin-left: var(--spacing-1);
  height: 1rem;
  width: 1rem;
  transition: transform var(--transition-base);
}

.navigation-menu__trigger[data-state="open"] .navigation-menu__chevron {
  transform: rotate(180deg);
}

/* Navigation Menu Content (dropdown) */
.navigation-menu__content {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  margin-top: var(--spacing-1);
  padding: var(--spacing-1);
  background-color: var(--card-background);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-base);
  z-index: var(--z-dropdown);
  min-width: 200px;
}

/* Show content on hover or when data-state="open" */
.navigation-menu__item:hover .navigation-menu__content,
.navigation-menu__item[data-state="open"] .navigation-menu__content {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* Navigation Menu Content - Grid Layout */
.navigation-menu__content--grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-1);
  padding: var(--spacing-4);
  width: auto;
  min-width: 400px;
}

.navigation-menu__content--grid-3 {
  grid-template-columns: repeat(3, 1fr);
  min-width: 600px;
}

.navigation-menu__content--grid-4 {
  grid-template-columns: repeat(4, 1fr);
  min-width: 800px;
}

/* Navigation Menu Content - List Layout */
.navigation-menu__content--list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
  padding: var(--spacing-2);
  min-width: 200px;
}

/* Navigation Menu Content - Single Column */
.navigation-menu__content--single {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
  padding: var(--spacing-2);
  min-width: 200px;
}

/* List Item in Navigation Menu Content */
.navigation-menu__list-item {
  display: block;
  padding: var(--spacing-3) var(--spacing-4);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-decoration: none;
  color: var(--foreground);
  outline: none;
}

.navigation-menu__list-item:hover {
  background-color: var(--neutral-100);
  color: var(--foreground);
}

.navigation-menu__list-item:focus-visible {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
}

/* List Item with Title and Description */
.navigation-menu__list-item--with-description {
  padding: var(--spacing-3);
}

.navigation-menu__list-item-title {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  color: var(--foreground);
  margin-bottom: var(--spacing-1);
}

.navigation-menu__list-item-description {
  display: block;
  font-size: var(--font-size-xs);
  line-height: var(--line-height-relaxed);
  color: var(--foreground-muted);
}

/* List Item with Icon */
.navigation-menu__list-item--with-icon {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.navigation-menu__list-item-icon {
  display: inline-flex;
  width: 1rem;
  height: 1rem;
  color: var(--foreground-muted);
  flex-shrink: 0;
}

/* Featured Item (larger, with image/icon) */
.navigation-menu__featured-item {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--spacing-6);
  border-radius: var(--radius-md);
  background: linear-gradient(to bottom, var(--neutral-50), var(--neutral-100));
  min-height: 200px;
  text-decoration: none;
  color: var(--foreground);
  transition: all var(--transition-base);
}

.navigation-menu__featured-item:hover {
  background: linear-gradient(to bottom, var(--primary-50), var(--primary-100));
  transform: translateY(-2px);
}

.navigation-menu__featured-item-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  color: var(--foreground);
  margin-bottom: var(--spacing-2);
}

.navigation-menu__featured-item-description {
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  color: var(--foreground-muted);
}

/* Viewport (for mobile) */
.navigation-menu__viewport {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  perspective: 2000px;
}

/* Indicator (animated line under active item) */
.navigation-menu__indicator {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  background-color: var(--secondary-500);
  border-radius: var(--radius-full);
  transition: width var(--transition-base), left var(--transition-base);
  z-index: 1;
}

/* Variants */
.navigation-menu--vertical {
  flex-direction: column;
}

.navigation-menu--vertical .navigation-menu__list {
  flex-direction: column;
  gap: var(--spacing-1);
}

.navigation-menu--vertical .navigation-menu__content {
  top: 0;
  left: 100%;
  margin-top: 0;
  margin-left: var(--spacing-1);
}

/* Responsive */
@media (max-width: 768px) {
  .navigation-menu__list {
    flex-direction: column;
    gap: var(--spacing-1);
  }

  .navigation-menu__content {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    margin-top: var(--spacing-2);
    padding: 0;
    padding-left: var(--spacing-4);
  }

  .navigation-menu__content--grid {
    grid-template-columns: 1fr;
    min-width: auto;
  }

  .navigation-menu__content--grid-3,
  .navigation-menu__content--grid-4 {
    grid-template-columns: 1fr;
    min-width: auto;
  }

  .navigation-menu__trigger[data-state="open"] + .navigation-menu__content,
  .navigation-menu__item:hover .navigation-menu__content {
    display: block;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  .navigation-menu__content,
  .navigation-menu__chevron,
  .navigation-menu__indicator {
    transition: none;
  }
}

/* Focus styles for keyboard navigation */
.navigation-menu__item:focus-within .navigation-menu__content {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}