/* ==============================================
   HEADER NAVIGATION - OPTIMIZADO Y REFACTORIZADO
   ============================================== */

/* VARIABLES CSS ESPECÍFICAS DEL HEADER */
:root {
  --header-height-desktop: 80px;
  --header-height-tablet: 70px;
  --header-height-mobile: 65px;
  --logo-main-desktop: 80px;
  --logo-main-tablet: 45px;
  --logo-main-mobile: 40px;
  --logo-institutional-desktop: 80px;
  --logo-institutional-tablet: 35px;
  --logo-institutional-mobile: 28px;
  --hamburger-size-desktop: 48px;
  --hamburger-size-mobile: 42px;
  --transition-fast: 0.2s ease;
  --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* HEADER PRINCIPAL */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  height: var(--header-height-desktop);
  background: var(--white);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: var(--shadow-light);
  z-index: 1000;
  transition: box-shadow var(--transition-smooth);
}

.header.scrolled {
  box-shadow: var(--shadow-medium);
}

/* NAVBAR CONTAINER */
.navbar {
  max-width: 1200px;
  margin: 0 auto;
  height: 100%;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 2rem;
  gap: 1rem;
}

/* LOGOS - SISTEMA UNIFICADO */
.logo {
  height: var(--logo-main-desktop);
  width: auto;
  transition: none;
  transform: none;
  object-fit: contain;
}

.logo--main {
  height: var(--logo-main-desktop);
}

.logo--institutional {
  height: var(--logo-institutional-desktop);
}

/* SECCIONES DE LA NAVBAR */
.navbar__brand {
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.navbar__institutional {
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1001;
}

/* OCULTAR LOGOS INSTITUCIONALES EN MÓVIL - REGLA GLOBAL */
@media screen and (max-width: 768px) {
  .navbar__institutional {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    position: absolute !important;
    left: -9999px !important;
    width: 0 !important;
    height: 0 !important;
    overflow: hidden !important;
  }
  
  /* FORZAR GRID DE SOLO 2 COLUMNAS */
  .navbar {
    grid-template-columns: 1fr auto !important;
    grid-template-areas: "brand menu" !important;
  }
  
  .navbar__brand {
    grid-area: brand !important;
    justify-self: center !important;
  }
  
  .navbar__menu {
    grid-area: menu !important;
    justify-self: end !important;
  }
}

.navbar__institutional a {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.navbar__menu {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

/* MENÚ HAMBURGUESA */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: var(--hamburger-size-desktop);
  height: var(--hamburger-size-desktop);
  background: var(--light-gray);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition-smooth);
  box-shadow: var(--shadow-light);
  position: relative;
  z-index: 1001;
}

.hamburger:hover {
  background: rgba(29, 192, 214, 0.1);
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.hamburger:active {
  transform: translateY(0);
}

.hamburger__line {
  width: 22px;
  height: 2px;
  background: var(--primary-dark);
  margin: 3px 0;
  border-radius: 2px;
  transition: all var(--transition-smooth);
}

/* HAMBURGUESA ACTIVA */
.hamburger.active {
  background: rgba(29, 192, 214, 0.15);
}

.hamburger.active:hover {
  background: rgba(29, 192, 214, 0.2);
  transform: translateY(-2px);
}

.hamburger.active .hamburger__line {
  opacity: 0;
  transform: scale(0);
}

.hamburger.active::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 16px;
  height: 16px;
  transform: translate(-50%, -50%);
  background-image: 
    linear-gradient(45deg, transparent 45%, var(--primary-accent) 45%, var(--primary-accent) 55%, transparent 55%),
    linear-gradient(-45deg, transparent 45%, var(--primary-accent) 45%, var(--primary-accent) 55%, transparent 55%);
  background-size: 100% 100%;
  background-repeat: no-repeat;
  transition: all var(--transition-smooth);
}

.hamburger.active:hover::after {
  background-image: 
    linear-gradient(45deg, transparent 45%, var(--primary-dark) 45%, var(--primary-dark) 55%, transparent 55%),
    linear-gradient(-45deg, transparent 45%, var(--primary-dark) 45%, var(--primary-dark) 55%, transparent 55%);
  transform: translate(-50%, -50%) scale(1.05);
}

/* MENÚ MÓVIL */
.mobile-menu {
  position: fixed;
  top: var(--header-height-desktop);
  left: 0;
  width: 100%;
  height: calc(100vh - var(--header-height-desktop));
  background: var(--white);
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: var(--shadow-heavy);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-bounce);
  z-index: 999;
  overflow: hidden;
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-menu__content {
  max-width: 90%;
  margin: 0 auto;
  padding: 2rem 0;
  height: 100%;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(29, 192, 214, 0.3) transparent;
}

.mobile-menu__content::-webkit-scrollbar {
  width: 4px;
}

.mobile-menu__content::-webkit-scrollbar-track {
  background: transparent;
}

.mobile-menu__content::-webkit-scrollbar-thumb {
  background: rgba(29, 192, 214, 0.3);
  border-radius: 2px;
}

.mobile-menu__list {
  list-style: none;
  margin: 0;
  padding: 0 0.75rem;
  display: grid;
  gap: 0.75rem;
}

.mobile-menu__link {
  display: flex;
  align-items: flex-start;
  padding: 1.25rem 1.5rem;
  color: var(--primary-dark);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  line-height: 1.4;
  border-radius: 12px;
  background: var(--light-gray);
  box-shadow: var(--shadow-light);
  border: 1px solid #f0f0f0;
  transition: all var(--transition-smooth);
  opacity: 0;
  transform: translateX(-20px);
}

.mobile-menu__link:hover {
  color: var(--primary-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
  border-color: rgba(29, 192, 214, 0.2);
  background: rgba(29, 192, 214, 0.02);
}

.mobile-menu__icon {
  width: 24px;
  margin-right: 1rem;
  color: var(--primary-accent);
  font-size: 1.2rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
  transition: color var(--transition-fast);
}

.mobile-menu__link:hover .mobile-menu__icon {
  color: var(--primary-dark);
}

/* ANIMACIONES DE ENTRADA */
.mobile-menu.active .mobile-menu__link {
  opacity: 1;
  transform: translateX(0);
}

.mobile-menu__link:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu__link:nth-child(2) { transition-delay: 0.15s; }
.mobile-menu__link:nth-child(3) { transition-delay: 0.2s; }
.mobile-menu__link:nth-child(4) { transition-delay: 0.25s; }
.mobile-menu__link:nth-child(5) { transition-delay: 0.3s; }
.mobile-menu__link:nth-child(6) { transition-delay: 0.35s; }

/* LOGOS INSTITUCIONALES EN MENÚ MÓVIL */
.mobile-menu__institutional {
  display: none; /* Oculto por defecto en desktop */
  padding: 1.5rem 1rem;
  margin-bottom: 1rem;
  text-align: center;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  opacity: 0;
  transform: translateY(-10px);
  transition: all var(--transition-smooth);
}

.mobile-menu.active .mobile-menu__institutional {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.05s;
}

.mobile-menu__institutional-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--medium-gray);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.mobile-menu__institutional-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
}

.mobile-menu__institutional-logo {
  height: 45px;
  width: auto;
  object-fit: contain;
  filter: opacity(0.8);
  transition: filter var(--transition-fast);
}

.mobile-menu__institutional-logo:hover {
  filter: opacity(1);
}

/* OVERLAY */
.mobile-overlay {
  position: fixed;
  top: var(--header-height-desktop);
  left: 0;
  width: 100%;
  height: calc(100vh - var(--header-height-desktop));
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-smooth);
  z-index: 998;
}

.mobile-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* BLOQUEO DE SCROLL CUANDO EL MENÚ ESTÁ ABIERTO */
body.menu-open {
  overflow: hidden;
  position: fixed;
  width: 100%;
}

/* ==============================================
   RESPONSIVE DESIGN
   ============================================== */

/* REGLA GENERAL PARA MÓVILES - ASEGURAR HAMBURGER CLICKEABLE */
@media (max-width: 768px) {
  .navbar__institutional * {
    pointer-events: none !important;
  }
  
  .hamburger {
    pointer-events: auto !important;
    cursor: pointer !important;
  }
}

/* TABLET - 768px */
@media (max-width: 768px) {
  .header {
    height: var(--header-height-tablet);
  }
  
  .navbar {
    padding: 0 1.5rem;
    gap: 1rem;
    grid-template-columns: 1fr auto;
  }
  
  /* OCULTAR LOGOS INSTITUCIONALES EN NAVBAR - FORZADO */
  .navbar__institutional {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    position: absolute !important;
    left: -9999px !important;
  }
  
  /* CENTRAR LOGO PRINCIPAL */
  .navbar__brand {
    justify-content: center;
    justify-self: center;
  }
  
  /* MENÚ HAMBURGUESA A LA DERECHA - ASEGURAR CLICKABILIDAD */
  .navbar__menu {
    justify-self: end;
    position: relative;
    z-index: 1002;
  }
  
  .hamburger {
    z-index: 1003 !important;
    position: relative;
  }
  
  .logo--main {
    height: var(--logo-main-tablet);
  }
  
  .mobile-menu {
    top: var(--header-height-tablet);
    height: calc(100vh - var(--header-height-tablet));
  }
  
  .mobile-overlay {
    top: var(--header-height-tablet);
    height: calc(100vh - var(--header-height-tablet));
  }
  
  /* LOGOS INSTITUCIONALES VISIBLES EN MENÚ MÓVIL */
  .mobile-menu__institutional {
    display: block !important;
  }
  
  /* ASEGURAR QUE LA NAVBAR SOLO TENGA 2 COLUMNAS */
  .navbar {
    grid-template-columns: 1fr auto !important;
  }
  
  /* REMOVER COMPLETAMENTE LA SECCIÓN INSTITUCIONAL DE LA NAVBAR */
  .header .navbar .navbar__institutional {
    display: none !important;
    width: 0 !important;
    height: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
  }
}

/* MÓVIL - 480px */
@media (max-width: 480px) {
  .header {
    height: var(--header-height-mobile);
  }
  
  .navbar {
    padding: 0 1rem;
    gap: 0.5rem;
    grid-template-columns: 1fr auto;
  }
  
  /* MANTENER LOGOS INSTITUCIONALES OCULTOS - FORZADO */
  .navbar__institutional {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    position: absolute !important;
    left: -9999px !important;
  }
  
  /* ASEGURAR GRID DE 2 COLUMNAS */
  .navbar {
    grid-template-columns: 1fr auto !important;
  }
  
  /* REMOVER COMPLETAMENTE LA SECCIÓN INSTITUCIONAL */
  .header .navbar .navbar__institutional {
    display: none !important;
    width: 0 !important;
    height: 0 !important;
  }
  
  /* LOGO PRINCIPAL CENTRADO */
  .navbar__brand {
    justify-content: center;
    justify-self: center;
  }
  
  .navbar__menu {
    justify-self: end;
    position: relative;
    z-index: 1002;
  }
  
  .hamburger {
    z-index: 1003 !important;
    position: relative;
    width: var(--hamburger-size-mobile);
    height: var(--hamburger-size-mobile);
  }
  
  .logo--main {
    height: var(--logo-main-mobile);
  }
  
  .mobile-menu {
    top: var(--header-height-mobile);
    height: calc(100vh - var(--header-height-mobile));
  }
  
  .mobile-overlay {
    top: var(--header-height-mobile);
    height: calc(100vh - var(--header-height-mobile));
  }
  
  .mobile-menu__link {
    padding: 1rem 1.25rem;
    font-size: 0.9rem;
  }
  
  /* LOGOS INSTITUCIONALES MÁS PEQUEÑOS EN MÓVIL */
  .mobile-menu__institutional-logos {
    gap: 1rem;
  }
  
  .mobile-menu__institutional-logo {
    height: 35px;
  }
}

/* MÓVIL PEQUEÑO - 380px */
@media (max-width: 380px) {
  /* MANTENER SOLO LOGO PRINCIPAL CENTRADO */
  .navbar {
    grid-template-columns: 1fr auto;
    justify-items: center;
  }
  
  /* ASEGURAR QUE LOGOS INSTITUCIONALES ESTÉN OCULTOS */
  .navbar__institutional {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    position: absolute !important;
    left: -9999px !important;
  }
  
  .navbar__brand {
    justify-self: center;
  }
  
  .navbar__menu {
    justify-self: end;
    z-index: 1002;
  }
  
  .hamburger {
    z-index: 1003 !important;
  }
  
  /* LOGOS INSTITUCIONALES MÁS COMPACTOS EN PANTALLAS MUY PEQUEÑAS */
  .mobile-menu__institutional-logos {
    gap: 0.75rem;
  }
  
  .mobile-menu__institutional-logo {
    height: 30px;
  }
  
  .mobile-menu__institutional {
    padding: 1rem 0.75rem;
  }
}

/* ACCESIBILIDAD */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms;
    animation-iteration-count: 1;
    transition-duration: 0.01ms;
    scroll-behavior: auto;
  }
}

@media (prefers-contrast: high) {
  .header {
    border-bottom: 2px solid var(--primary-dark);
  }
  
  .mobile-menu {
    border-top: 2px solid var(--primary-dark);
  }
  
  .mobile-menu__link {
    border: 2px solid var(--medium-gray);
  }
  
  .hamburger {
    border: 2px solid var(--primary-dark);
  }
}

/* SOPORTE PARA PANTALLAS DE ALTA DENSIDAD */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .hamburger__line {
    height: 1px;
    transform: scaleY(2);
  }
}

/* ==============================================
   FORZAR OCULTACIÓN DE LOGOS INSTITUCIONALES EN MÓVIL
   REGLA CRÍTICA - DEBE ESTAR AL FINAL
   ============================================== */
@media screen and (max-width: 768px) {
  /* FORZAR OCULTACIÓN TOTAL */
  header.header nav.navbar div.navbar__institutional,
  .header .navbar .navbar__institutional,
  div.navbar__institutional {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    position: absolute !important;
    left: -9999px !important;
    top: -9999px !important;
    width: 0 !important;
    height: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    overflow: hidden !important;
    z-index: -9999 !important;
  }
  
  /* FORZAR GRID DE 2 COLUMNAS SOLAMENTE */
  header.header nav.navbar,
  .header .navbar {
    display: grid !important;
    grid-template-columns: 1fr auto !important;
    grid-template-areas: "brand menu" !important;
  }
  
  /* POSICIONAMIENTO EXPLÍCITO */
  .navbar__brand {
    grid-area: brand !important;
    justify-self: center !important;
  }
  
  .navbar__menu {
    grid-area: menu !important;
    justify-self: end !important;
  }
}

@media (max-width: 768px) {
  .navbar__institutional {
    background: red !important; /* Si ves rojo, aún está visible */
  }
}