/* Header Styles - Elementos separados */

/* Logo fijo superior izquierda */
.fixed-logo {
  position: fixed;
  top: var(--spacing-lg);
  left: 50%;
  margin-left: calc(-1 * var(--container-max-width) / 2 + var(--container-padding));
  z-index: 1000;
  transition: all var(--transition-normal);
}

.fixed-logo.hidden {
  opacity: 0;
  visibility: hidden;
  transform: translateY(-20px);
}

.logo-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  color: var(--bg-primary);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
  transition: transform var(--transition-normal);
  background: rgba(255, 255, 255, 0.15);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-lg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.logo-link:hover {
  transform: scale(1.02);
  background: rgba(255, 255, 255, 0.2);
}

/* WhatsApp fijo superior derecha */
.fixed-whatsapp {
  position: fixed;
  top: var(--spacing-lg);
  right: 50%;
  margin-right: calc(-1 * var(--container-max-width) / 2 + var(--container-padding));
  z-index: 1000;
  transition: all var(--transition-normal);
}

.fixed-whatsapp.hidden {
  opacity: 0;
  visibility: hidden;
  transform: translateY(-20px);
}

.fixed-whatsapp .whatsapp-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: rgba(37, 211, 102, 0.9);
  color: var(--bg-primary);
  text-decoration: none;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-normal);
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.fixed-whatsapp .whatsapp-btn:hover {
  background: rgba(18, 140, 126, 0.9);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.4);
}

/* Navegación flotante */
.floating-nav {
  position: fixed;
  top: 100px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9998;
  transition: all var(--transition-normal);
  width: calc(100vw - 2 * var(--container-padding));
  max-width: var(--container-max-width);
}

.floating-nav.scrolled {
  top: var(--spacing-lg);
  transform: translate(-50%, 0);
  width: calc(100vw - 2 * var(--container-padding));
  max-width: var(--container-max-width);
}

.nav-content {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--border-radius-xl);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  width: 100%;
  min-height: 50px;
}

.floating-nav.scrolled .nav-content {
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-xl);
  min-height: 50px;
}

/* Logo en navegación (oculto inicialmente) */
.nav-logo {
  display: none;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  color: var(--primary-color);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-base);
  transition: transform var(--transition-normal);
}

.floating-nav.scrolled .nav-logo {
  display: flex;
}

.nav-logo:hover {
  transform: scale(1.02);
}

/* Lista de navegación */
.nav-list {
  display: flex;
  align-items: center;
  justify-content: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-xs);
  height: 100%;
}

.floating-nav.scrolled .nav-list {
  margin-left: var(--spacing-lg);
}

.nav-item {
  margin: 0;
  position: relative;
}

/* Estilos principales para nav-link - consolidados */
.nav-link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  min-height: 32px;
  color: var(--primary-color);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-base);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-normal);
  position: relative;
}

.dropdown-icon {
  width: 12px;
  height: 8px;
  flex-shrink: 0;
  transition: transform var(--transition-normal);
}

.nav-item:hover .dropdown-icon {
  transform: rotate(180deg);
}

/* Submenu styles */
.submenu {
  position: absolute;
  top: calc(100% + 15px);
  left: 0;
  min-width: 220px;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: var(--spacing-sm) 0;
  list-style: none;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-normal);
  z-index: 1000;
}

.nav-item:hover .submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.submenu-item {
  margin: 0;
}

.submenu-link {
  display: block;
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: var(--font-weight-normal);
  font-size: var(--font-size-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  transition: all var(--transition-normal);
  border-bottom: 1px solid rgba(25, 118, 210, 0.05);
}

.submenu-link:hover {
  color: var(--primary-color);
  background-color: rgba(25, 118, 210, 0.08);
  padding-left: var(--spacing-lg);
}

.submenu-item:last-child .submenu-link {
  border-bottom: none;
}

/* Submenu especial para especialidades - múltiples columnas (solo desktop) */
@media (min-width: 769px) {
  .nav-item:nth-child(5) .submenu {
    top: calc(100% + 15px);
    min-width: 720px;
    max-width: 720px;
    padding: var(--spacing-md);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    left: 50%;
    transform: translateX(-50%);
  }

  .nav-item:nth-child(5):hover .submenu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
  }

  .nav-item:nth-child(5) .submenu-item {
    width: 100%;
  }

  .nav-item:nth-child(5) .submenu-link {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    border-bottom: 1px solid rgba(25, 118, 210, 0.05);
    border-right: 1px solid rgba(25, 118, 210, 0.05);
  }

  .nav-item:nth-child(5) .submenu-item:nth-child(3n) .submenu-link {
    border-right: none;
  }

  .nav-item:nth-child(5) .submenu-link:hover {
    padding-left: var(--spacing-lg);
  }
}


.nav-link:hover {
  color: var(--primary-dark);
  background-color: rgba(25, 118, 210, 0.1);
}

.nav-link.active {
  color: var(--primary-color);
  background-color: rgba(25, 118, 210, 0.15);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--primary-color);
  border-radius: var(--border-radius-full);
}

/* WhatsApp flotante al lado de la navegación cuando hay scroll */
.floating-whatsapp {
  position: fixed;
  top: 100px;
  right: 50%;
  margin-right: calc(-1 * var(--container-max-width) / 2 - 55px);
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: #25d366;
  color: var(--bg-primary);
  text-decoration: none;
  border-radius: 50%;
  transition: all var(--transition-normal);
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.floating-whatsapp.visible {
  display: flex;
  top: calc(var(--spacing-lg) + 31px);
  transform: translateY(-50%);
}

.floating-whatsapp:hover {
  background: #128c7e;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

.floating-whatsapp.visible:hover {
  transform: translateY(-50%) scale(1.1);
}

.floating-whatsapp .whatsapp-icon {
  width: 24px;
  height: 24px;
}

/* Logo image styles */
.logo-image {
  height: 40px;
  width: auto;
  object-fit: contain;
  flex-shrink: 0;
}

.floating-nav.scrolled .logo-image {
  height: 36px;
}

.whatsapp-icon {
  width: 18px;
  height: 18px;
  color: var(--bg-primary);
  flex-shrink: 0;
}

.whatsapp-text {
  font-weight: var(--font-weight-semibold);
  white-space: nowrap;
}

/* Botón menú móvil */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  transition: background-color var(--transition-normal);
}

.mobile-menu-toggle:hover {
  background-color: rgba(25, 118, 210, 0.1);
}

.hamburger-line {
  width: 24px;
  height: 3px;
  background: var(--primary-color);
  border-radius: var(--border-radius-full);
  transition: all var(--transition-normal);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Responsive Design */
@media (max-width: 1200px) {
  .nav-list {
    gap: var(--spacing-xs);
  }
  
  .nav-link {
    font-size: calc(var(--font-size-sm) - 1px);
    padding: var(--spacing-xs) calc(var(--spacing-sm) - 2px);
  }
}

@media (max-width: 1024px) {
  .nav-list {
    gap: var(--spacing-md);
  }
  
  .nav-link {
    font-size: var(--font-size-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
  }
  
  /* Especialidades en tablet - 2 columnas (solo para 769px-1024px) */
  @media (min-width: 769px) {
    .nav-item:nth-child(5) .submenu {
      top: calc(100% + 15px);
      min-width: 480px;
      max-width: 480px;
      grid-template-columns: repeat(2, 1fr);
    }
  }
}

@media (max-width: 768px) {
  .fixed-logo,
  .fixed-whatsapp {
    top: var(--spacing-md);
  }
  
  .fixed-logo {
    left: var(--container-padding);
    margin-left: 0;
  }
  
  .fixed-whatsapp {
    right: var(--container-padding);
    margin-right: 0;
  }
  
  .logo-link,
  .fixed-whatsapp .whatsapp-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
  }
  
  .logo-text {
    font-size: var(--font-size-base);
  }
  
  .whatsapp-text {
    display: none;
  }
  
  .fixed-whatsapp .whatsapp-btn {
    padding: var(--spacing-sm);
    border-radius: 50%;
    width: 45px;
    height: 45px;
    justify-content: center;
  }
  
  .floating-nav {
    top: 85px;
    width: calc(100vw - 2 * var(--container-padding));
    max-width: var(--container-max-width);
  }
  
  .floating-nav.scrolled {
    top: var(--spacing-md);
    width: calc(100vw - 2 * var(--container-padding));
    max-width: var(--container-max-width);
  }

  .floating-whatsapp {
    /* En tablet mantiene posición junto a barra */
    right: calc(var(--spacing-md) + 30px);
    margin-right: 0;
    width: 45px;
    height: 45px;
  }

  .floating-whatsapp.visible {
    top: calc(var(--spacing-md) + 27px);
    transform: translateY(-50%);
  }

  .floating-whatsapp.visible:hover {
    transform: translateY(-50%) scale(1.1);
  }

  .floating-whatsapp .whatsapp-icon {
    width: 20px;
    height: 20px;
  }
  
  .nav-content {
    padding: var(--spacing-xs) var(--spacing-md);
  }
  
  .mobile-menu-toggle {
    display: flex;
    order: 3;
  }
  
  .nav-list {
    display: none;
    position: fixed;
    top: 120px;
    left: var(--spacing-md);
    right: var(--spacing-md);
    bottom: var(--spacing-md);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    padding: var(--spacing-xl) var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.4);
    z-index: 9999;
    gap: var(--spacing-md);
    height: auto;
    overflow-y: auto;
  }
  
  .nav-list.active {
    display: flex;
    min-height: calc(100vh - 140px);
  }

  /* Mobile menu overlay */
  .mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9997;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
  }

  .mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
  }
  
  .nav-list .nav-link {
    padding: var(--spacing-md);
    text-align: left;
    justify-content: flex-start;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    border-bottom: 1px solid rgba(25, 118, 210, 0.1);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-xs);
  }
  
  .nav-link:last-child {
    border-bottom: none;
  }
  
  /* Mobile dropdown styles */
  .nav-item.has-submenu .submenu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    background: rgba(25, 118, 210, 0.08);
    border-radius: var(--border-radius-md);
    margin-top: var(--spacing-xs);
    box-shadow: none;
    border: none;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
    padding: 0;
  }
  
  .nav-item.mobile-expanded .submenu {
    max-height: 400px;
    padding: var(--spacing-sm) 0;
  }
  
  .submenu-link {
    font-size: var(--font-size-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--primary-color);
    border-bottom: 1px solid rgba(25, 118, 210, 0.1);
    font-weight: var(--font-weight-normal);
  }
  
  .submenu-link:hover {
    background-color: rgba(25, 118, 210, 0.15);
    padding-left: var(--spacing-md);
  }
  
  .dropdown-icon {
    margin-left: auto;
    transition: transform var(--transition-normal);
  }

  /* Mobile expanded state arrow rotation */
  .nav-item.mobile-expanded .dropdown-icon {
    transform: rotate(180deg);
  }
  
  /* Especialidades en móvil - volver a columna única con scroll */
  .nav-item:nth-child(5) .submenu {
    position: static !important;
    min-width: auto !important;
    max-width: none !important;
    display: block !important;
    transform: none !important;
    left: auto !important;
    right: auto !important;
    top: auto !important;
    width: 100% !important;
    background: rgba(25, 118, 210, 0.08);
    border-radius: var(--border-radius-md);
    margin-top: var(--spacing-xs);
    box-shadow: none;
    border: none;
    opacity: 1;
    visibility: visible;
    grid-template-columns: none !important;
    grid: none !important;
    /* Use the same mobile submenu behavior as other items */
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
    padding: 0;
  }

  .nav-item:nth-child(5).mobile-expanded .submenu {
    transform: none !important;
    max-height: 400px;
    padding: var(--spacing-sm) 0;
    overflow-y: auto;
    overflow-x: hidden;
  }

  /* Custom scrollbar styles for webkit browsers - solo cuando expandido */
  .nav-item:nth-child(5).mobile-expanded .submenu::-webkit-scrollbar {
    width: 6px;
  }

  .nav-item:nth-child(5).mobile-expanded .submenu::-webkit-scrollbar-track {
    background: rgba(25, 118, 210, 0.1);
    border-radius: 3px;
  }

  .nav-item:nth-child(5).mobile-expanded .submenu::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 3px;
  }

  .nav-item:nth-child(5).mobile-expanded .submenu::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
  }

  .nav-item:nth-child(5) .submenu-link {
    border-right: none;
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
  }

  /* Scroll indicator for mobile specialties menu - solo cuando expandido */
  .nav-item:nth-child(5).mobile-expanded .submenu::after {
    content: '';
    position: sticky;
    bottom: 0;
    left: 0;
    right: 0;
    height: 20px;
    background: linear-gradient(to bottom, transparent 0%, rgba(25, 118, 210, 0.08) 100%);
    pointer-events: none;
    border-radius: 0 0 var(--border-radius-md) var(--border-radius-md);
  }
  
}

@media (max-width: 480px) {
  .logo-text {
    display: none;
  }
  
  .logo-image {
    height: 35px;
  }
  
  .fixed-whatsapp .whatsapp-btn {
    width: 40px;
    height: 40px;
  }
  
  .whatsapp-icon {
    width: 16px;
    height: 16px;
  }
  
  .floating-nav {
    top: 75px;
    width: calc(100vw - 2 * var(--container-padding));
    max-width: var(--container-max-width);
  }
  
  .floating-nav.scrolled {
    top: var(--spacing-xs);
  }

  .floating-whatsapp {
    /* En móvil se posiciona como botón flotante opuesto al chatbot */
    width: 50px;
    height: 50px;
    right: auto;
    left: 1rem;
    bottom: 1rem;
    top: auto;
    transform: none;
    position: fixed;
  }

  .floating-whatsapp.visible {
    /* En móvil mantiene posición fija en esquina inferior izquierda */
    top: auto;
    bottom: 1rem;
    left: 1rem;
    right: auto;
    transform: none;
  }

  .floating-whatsapp.visible:hover {
    transform: scale(1.1);
  }

  .floating-whatsapp .whatsapp-icon {
    width: 24px;
    height: 24px;
  }
  
  .nav-content {
    padding: var(--spacing-xs) var(--spacing-sm);
  }

  .nav-list {
    top: 95px;
    left: var(--spacing-xs);
    right: var(--spacing-xs);
    bottom: var(--spacing-xs);
    height: auto;
  }
  
  .nav-list.active {
    min-height: calc(75vh);
  }

  /* Especialidades scroll adjustment for small screens */
  .nav-item:nth-child(5).mobile-expanded .submenu {
    max-height: 300px;
  }
}