/* ========================================
   ORTHOSCAPHE - STYLES DU DROPDOWN
   ======================================== */

/* ========================================
   DROPDOWN MENU - CUSTOM IMPLEMENTATION
   ======================================== */

/* Container du dropdown */
.nav-dropdown {
  position: relative;
  display: inline-block;
}

/* Bouton toggle du dropdown */
.nav-dropdown-toggle {
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
  background: none;
  border: none;
  box-shadow: none;
  color: var(--navigation-text);
  text-decoration: none;
  font-size: var(--font-size-nav);
  font-weight: 400;
  padding: clamp(0.3rem, 1vh, 0.5rem) 0;
  letter-spacing: clamp(0.2px, 0.05vw, 0.3px);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
  height: clamp(36px, 6vh, 42px);
}

/* Flèche du dropdown */
.nav-dropdown-arrow {
  transition: transform 0.3s ease;
  margin-left: 0.25rem;
  width: 12px;
  height: 12px;
}

/* Rotation de la flèche au hover */
.nav-dropdown:hover .nav-dropdown-arrow {
  transform: rotate(180deg);
}

/* Ligne de soulignement au hover */
.nav-dropdown-toggle::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent-color);
  transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1;
}

.nav-dropdown:hover .nav-dropdown-toggle::after {
  width: 100%;
}

/* Menu dropdown */
.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--card-background);
  min-width: 220px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
  border-radius: 12px;
  border: 1px solid var(--card-border);
  backdrop-filter: blur(20px);
  z-index: 9999;
  padding: 0.75rem 0;
  list-style: none;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(-8px);
  transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
  pointer-events: none;
}

/* Affichage du dropdown au hover */
.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

/* Affichage du dropdown avec la classe .show (pour mobile) */
.nav-dropdown-menu.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

/* Effet hover sur le bouton */
.nav-dropdown:hover .nav-dropdown-toggle {
  color: var(--accent-color);
}

/* Items du dropdown */
.nav-dropdown-item {
  display: block;
  padding: 0.875rem 1.5rem;
  color: var(--text-color-primary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  text-align: left;
  position: relative;
  overflow: hidden;
}

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

/* Hover sur les items */
.nav-dropdown-item:hover {
  background: var(--accent-color);
  color: white;
  transform: translateX(8px);
  box-shadow: 0 4px 12px rgba(14, 165, 233, 0.3);
}

/* Effet de ripple sur les items */
.nav-dropdown-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.6s ease;
}

.nav-dropdown-item:hover::before {
  left: 100%;
}

/* ========================================
   RESPONSIVE MOBILE
   ======================================== */

@media (max-width: 768px) {
  .nav-dropdown {
    position: static;
    width: 100%;
  }
  
  .nav-dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    background: transparent;
    box-shadow: none;
    border: none;
    margin: 0.5rem 0 0 1rem;
    padding: 0;
    display: none;
    min-width: auto;
    width: 100%;
  }
  
  .nav-dropdown:hover .nav-dropdown-menu {
    display: block;
  }
  
  /* Mobile dropdown with .show class */
  .nav-dropdown-menu.show {
    display: block;
    opacity: 1;
    visibility: visible;
    transform: none;
    pointer-events: auto;
  }
  
  .nav-dropdown-item {
    padding: 0.75rem 1rem;
    border-bottom: none;
    color: var(--navigation-text);
    opacity: 0.8;
    text-align: left;
    border-radius: 8px;
    margin-bottom: 0.25rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .nav-dropdown-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--accent-color);
    transform: none;
    box-shadow: none;
  }
  
  .nav-dropdown-toggle::after {
    display: none;
  }
  
  .nav-dropdown-arrow {
    margin-left: auto;
  }
  
  /* Rotate arrow when dropdown is open on mobile */
  .nav-dropdown-toggle[aria-expanded="true"] .nav-dropdown-arrow {
    transform: rotate(180deg);
  }
}

/* ========================================
   MOBILE VS DESKTOP NAVIGATION
   ======================================== */

/* Hide mobile navigation on desktop */
.desktop-only {
  display: block;
}



/* ========================================
   DROPDOWN HOVER PERSISTENCE
   ======================================== */

/* Prevent dropdown from disappearing when moving from button to menu */
.nav-dropdown-menu:hover {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

/* Add delay before hiding dropdown */
.nav-dropdown-menu {
  transition-delay: 0s, 0s, 0s, 0.2s; /* Delay for opacity, visibility, transform, and overall transition */
}

/* Remove delay when showing dropdown */
.nav-dropdown:hover .nav-dropdown-menu {
  transition-delay: 0s;
}

/* Ensure smooth transitions */
.nav-dropdown,
.nav-dropdown-menu {
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Add invisible area to prevent accidental hiding */
.nav-dropdown::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 20px;
  background: transparent;
  z-index: 9998;
}

/* Ensure dropdown stays visible when hovering over the invisible area */
.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

/* Keep dropdown visible when hovering over the menu itself */
.nav-dropdown-menu:hover {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}