/**
 * Navbar Responsive - AGEEMCTI A.C.
 * 
 * Componente de navegación principal con:
 * - Diseño sticky con cambio de estado al hacer scroll
 * - Menú hamburguesa animado para móvil
 * - Navegación anclada con scroll suave
 * - Accesibilidad completa (ARIA, keyboard navigation)
 * 
 * Colores institucionales:
 * - Navy: #0A192F
 * - Gold: #C9A84C
 */

/* ========================================
   1. RESET Y VARIABLES
   ======================================== */

:root {
  --navbar-height-desktop: 70px;
  --navbar-height-mobile: 60px;
  --navbar-navy: #0A192F;
  --navbar-navy-light: #112240;
  --navbar-navy-dark: #061224;
  --navbar-gold: #C9A84C;
  --navbar-gold-light: #E5D696;
  --navbar-gold-dark: #A68A3D;
  --transition-speed: 300ms;
  --navbar-z-index: 1000;
}

/* ========================================
   2. ESTRUCTURA BASE DEL NAVBAR
   ======================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  height: var(--navbar-height-desktop);
  z-index: var(--navbar-z-index);
  transition: all var(--transition-speed) ease-in-out;
  background-color: transparent;
}

.navbar-container {
  max-width: 100%;
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

@media (min-width: 640px) {
  .navbar-container {
    padding: 0 1.5rem;
  }
}

@media (min-width: 1024px) {
  .navbar-container {
    padding: 0 2rem;
  }
}

/* ========================================
   3. ESTADOS DEL NAVBAR (TRANSPARENTE/SCROLLED)
   ======================================== */

/* Estado inicial - charcoal */
.navbar--transparent {
  background-color: #2D3436;
  box-shadow: none;
}

.navbar--transparent .navbar__link {
  color: #C9A84C !important;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5) !important;
  font-weight: 600 !important;
  opacity: 1 !important;
}

.navbar--transparent .navbar__logo-text {
  color: #ffffff;
}

/* Estado scrolled - navy sólido */
.navbar--scrolled {
  background-color: var(--navbar-navy);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.navbar--scrolled .navbar__link {
  color: var(--navbar-gold);
  text-shadow: none;
}

.navbar--scrolled .navbar__logo-text {
  color: var(--navbar-gold);
}

/* Transición suave entre estados */
.navbar,
.navbar__link,
.navbar__logo-text {
  transition: background-color var(--transition-speed) ease-in-out,
              color var(--transition-speed) ease-in-out,
              box-shadow var(--transition-speed) ease-in-out,
              text-shadow var(--transition-speed) ease-in-out;
}

/* ========================================
   4. LOGO
   ======================================== */

.navbar__brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
  z-index: calc(var(--navbar-z-index) + 1);
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.navbar__logo-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.navbar__logo-icon svg {
  width: 100%;
  height: 100%;
}

.navbar__logo-text {
  font-family: 'Merriweather', Georgia, serif;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--navbar-gold);
}

.navbar__logo-subtext {
  font-size: 0.75rem;
  font-weight: 400;
  opacity: 0.9;
  display: none;
}

@media (min-width: 640px) {
  .navbar__logo-subtext {
    display: inline;
  }
}

/* ========================================
   5. NAVEGACIÓN DESKTOP
   ======================================== */

.navbar__nav {
  display: none;
}

@media (min-width: 1024px) {
  .navbar__nav {
    display: flex;
    align-items: center;
    gap: 2rem;
  }
}

.navbar__menu {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 2.5rem;
}

.navbar__item {
  position: relative;
  flex-shrink: 0;
}

.navbar__link {
  display: block;
  padding: 0.75rem 1.25rem;
  font-family: 'Open Sans', system-ui, sans-serif;
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--navbar-gold);
  border-radius: 0.375rem;
  transition: all var(--transition-speed) ease-in-out;
  position: relative;
}

/* Hover effect con underline animado */
.navbar__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--navbar-gold-light);
  transition: all var(--transition-speed) ease-in-out;
  transform: translateX(-50%);
}

.navbar__link:hover::after,
.navbar__link:focus::after {
  width: 80%;
}

.navbar__link:hover,
.navbar__link:focus {
  color: var(--navbar-gold-light);
  outline: none;
}

/* Estado activo */
.navbar__link--active {
  color: var(--navbar-gold-light);
  font-weight: 600;
}

.navbar__link--active::after {
  width: 80%;
  background-color: var(--navbar-gold);
}

/* Links secundarios (páginas independientes) */
.navbar__link--secondary {
  color: #999999 !important;
}

.navbar--transparent .navbar__link--secondary {
  color: rgba(201, 168, 76, 0.5) !important;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5) !important;
}

.navbar--scrolled .navbar__link--secondary {
  color: #999999 !important;
}

.navbar__link--secondary:hover,
.navbar__link--secondary:focus {
  color: #bbbbbb !important;
}

.navbar__link--secondary::after {
  background-color: #999999;
}

.navbar__link--secondary:hover::after,
.navbar__link--secondary:focus::after {
  background-color: #bbbbbb;
}

.navbar__link--secondary.navbar__link--active {
  color: #bbbbbb !important;
  font-weight: 600;
}

.navbar__link--secondary.navbar__link--active::after {
  width: 80%;
  background-color: #999999;
}

/* ========================================
   6. BOTÓN CTA (ACCESO SOCIOS)
   ======================================== */

.navbar__cta {
  display: inline-flex;
  align-items: center;
  padding: 0.625rem 1.25rem;
  font-family: 'Open Sans', system-ui, sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--navbar-navy);
  background-color: var(--navbar-gold);
  border-radius: 0.5rem;
  transition: all var(--transition-speed) ease-in-out;
  border: 2px solid var(--navbar-gold);
}

.navbar__cta:hover,
.navbar__cta:focus {
  background-color: var(--navbar-gold-light);
  border-color: var(--navbar-gold-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(201, 168, 76, 0.3);
  outline: none;
}

/* ========================================
   7. BOTÓN HAMBURGUESA (MOBILE)
   ======================================== */

.navbar__toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.3);
  cursor: pointer;
  z-index: calc(var(--navbar-z-index) + 2);
  border-radius: 0.375rem;
  transition: all var(--transition-speed) ease-in-out;
}

.navbar__toggle:hover {
  background-color: rgba(201, 168, 76, 0.15);
  border-color: rgba(201, 168, 76, 0.5);
  box-shadow: 0 0 12px rgba(201, 168, 76, 0.4);
}

.navbar__toggle:focus {
  outline: none;
  box-shadow: 0 0 0 2px var(--navbar-gold);
}

@media (min-width: 1024px) {
  .navbar__toggle {
    display: none;
  }
}

/* Icono hamburguesa */
.navbar__hamburger {
  position: relative;
  width: 24px;
  height: 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.navbar__hamburger-line {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--navbar-gold);
  border-radius: 2px;
  transition: all var(--transition-speed) ease-in-out;
  transform-origin: center;
  filter: drop-shadow(0 0 6px rgba(201, 168, 76, 0.8));
}

/* Animación a X cuando está abierto */
.navbar__toggle[aria-expanded="true"] .navbar__hamburger-line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.navbar__toggle[aria-expanded="true"] .navbar__hamburger-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.navbar__toggle[aria-expanded="true"] .navbar__hamburger-line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ========================================
   8. MENÚ MÓVIL DESPLEGABLE
   ======================================== */

.navbar__mobile {
  position: fixed;
  top: var(--navbar-height-mobile);
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--navbar-navy);
  z-index: calc(var(--navbar-z-index) - 1);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--transition-speed) ease-in-out;
  display: flex;
  flex-direction: column;
}

@media (min-width: 1024px) {
  .navbar__mobile {
    display: none;
  }
}

.navbar__mobile--open {
  transform: translateX(0);
}

.navbar__mobile-menu {
  list-style: none;
  margin: 0;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.navbar__mobile-link {
  display: block;
  padding: 1rem 1.25rem;
  font-family: 'Open Sans', system-ui, sans-serif;
  font-size: 1.125rem;
  font-weight: 500;
  text-decoration: none;
  color: #ffffff;
  border-radius: 0.5rem;
  transition: all var(--transition-speed) ease-in-out;
}

.navbar__mobile-link:hover,
.navbar__mobile-link:focus {
  background-color: var(--navbar-navy-light);
  color: var(--navbar-gold-light);
  outline: none;
}

.navbar__mobile-link--active {
  background-color: var(--navbar-navy-light);
  color: var(--navbar-gold);
  font-weight: 600;
}

/* Links secundarios móvil (páginas independientes) */
.navbar__mobile-link--secondary {
  color: #999999;
}

.navbar__mobile-link--secondary:hover,
.navbar__mobile-link--secondary:focus {
  background-color: var(--navbar-navy-light);
  color: #bbbbbb;
}

.navbar__mobile-link--secondary.navbar__mobile-link--active {
  background-color: var(--navbar-navy-light);
  color: #bbbbbb;
  font-weight: 600;
}

.navbar__mobile-cta {
  margin: 1rem;
  margin-top: auto;
  padding: 1rem;
  font-family: 'Open Sans', system-ui, sans-serif;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  color: var(--navbar-navy);
  background-color: var(--navbar-gold);
  border-radius: 0.5rem;
  transition: all var(--transition-speed) ease-in-out;
}

.navbar__mobile-cta:hover,
.navbar__mobile-cta:focus {
  background-color: var(--navbar-gold-light);
  outline: none;
}

/* ========================================
   9. OVERLAY PARA MENÚ MÓVIL
   ======================================== */

.navbar__overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: calc(var(--navbar-z-index) - 2);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-speed) ease-in-out,
              visibility var(--transition-speed) ease-in-out;
}

.navbar__overlay--visible {
  opacity: 1;
  visibility: visible;
}

/* ========================================
   10. SKIP LINK (ACCESIBILIDAD)
   ======================================== */

.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.75rem 1.5rem;
  font-family: 'Open Sans', system-ui, sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--navbar-navy);
  background-color: var(--navbar-gold);
  text-decoration: none;
  border-radius: 0 0 0.5rem 0.5rem;
  z-index: calc(var(--navbar-z-index) + 10);
  transition: top var(--transition-speed) ease-in-out;
}

.skip-link:focus {
  top: 0;
  outline: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* ========================================
   11. ESTADOS DE FOCUS (ACCESIBILIDAD)
   ======================================== */

.navbar__link:focus-visible,
.navbar__cta:focus-visible,
.navbar__mobile-link:focus-visible,
.navbar__mobile-cta:focus-visible {
  outline: 2px solid var(--navbar-gold);
  outline-offset: 2px;
}

/* Remove default outline when using focus-visible */
.navbar__link:focus:not(:focus-visible),
.navbar__cta:focus:not(:focus-visible),
.navbar__mobile-link:focus:not(:focus-visible),
.navbar__mobile-cta:focus:not(:focus-visible) {
  outline: none;
}

/* ========================================
   12. MEDIA QUERIES - ALTURA MÓVIL
   ======================================== */

@media (max-width: 1023px) {
  .navbar {
    height: var(--navbar-height-mobile);
  }
}

/* ========================================
   13. ANIMACIONES
   ======================================== */

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.navbar--scrolled {
  animation: slideDown var(--transition-speed) ease-in-out;
}

/* ========================================
   14. UTILIDADES
   ======================================== */

/* Prevenir scroll cuando menú móvil está abierto */
body.navbar-mobile-open {
  overflow: hidden;
}

/* Offset para anclas (compensar navbar sticky) */
html {
  scroll-padding-top: var(--navbar-height-desktop);
  scroll-behavior: smooth;
}

@media (max-width: 1023px) {
  html {
    scroll-padding-top: var(--navbar-height-mobile);
  }
}

/* Print styles */
@media print {
  .navbar {
    position: static;
    background-color: white !important;
    box-shadow: none !important;
  }
  
  .navbar__link,
  .navbar__logo-text {
    color: black !important;
  }
  
  .navbar__toggle,
  .navbar__mobile,
  .navbar__overlay,
  .skip-link {
    display: none !important;
  }
}