/* Estilos personalizados para el sitio - Optimizado para SEO y accesibilidad 2025 */

:root {
  --color-primary: #4BA3C3; /* Azul claro */
  --color-secondary: #95D1AF; /* Verde menta */
  --color-light: #F5F7FA; /* Gris muy claro */
  --color-dark: #333333; /* Gris oscuro para texto */
  --color-accent: #E8618C; /* Color de acento para elementos importantes/urgentes */
  --max-width: 1200px;
  --contrast-ratio: 4.5; /* Asegura contraste WCAG AA entre texto y fondo */
  --transition-speed: 0.3s; /* Transición estándar para mejor UX */
}

/* Mejoras para Core Web Vitals - LCP y CLS */
html {
  scroll-behavior: smooth;
  font-display: swap; /* Mejora LCP */
}

/* Optimize for SEO - permite transiciones suaves al cargar anclas */
:target {
  scroll-margin-top: 80px;
}

body {
  font-family: 'Open Sans Variable', 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--color-dark);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

main {
  flex: 1 0 auto;
}

/* Mejoras de accesibilidad para enlaces y elementos interactivos */
a, button, input, textarea, select {
  transition: all 0.2s ease-in-out;
}

a:focus, button:focus, input:focus, textarea:focus, select:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Mejoras en las secciones */
section {
  position: relative;
  overflow: hidden;
}

.btn {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

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

.btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Efecto de onda al hacer clic */
.btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 5px;
  height: 5px;
  background: rgba(255, 255, 255, 0.5);
  opacity: 0;
  border-radius: 100%;
  transform: scale(1, 1) translate(-50%);
  transform-origin: 50% 50%;
}

.btn:active::after {
  animation: ripple 1s ease-out;
}

@keyframes ripple {
  0% {
    transform: scale(0, 0);
    opacity: 0.5;
  }
  100% {
    transform: scale(30, 30);
    opacity: 0;
  }
}

.btn-primary {
  background-color: var(--color-primary) !important;
  color: white !important;
  border: none !important;
  padding: 8px 16px !important;
  border-radius: 8px !important;
  text-decoration: none !important;
  font-weight: 500 !important;
  font-size: 14px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 100% !important;
  transition: all 0.3s ease !important;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1) !important;
}

.btn-primary:hover {
  background-color: #3a8ba8 !important;
  transform: translateY(-1px) !important;
  box-shadow: 0 4px 8px rgba(0,0,0,0.15) !important;
}

.btn-secondary {
  background-color: var(--color-secondary) !important;
  color: white !important;
  border: none !important;
  padding: 8px 16px !important;
  border-radius: 8px !important;
  text-decoration: none !important;
  font-weight: 500 !important;
  font-size: 14px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 100% !important;
  transition: all 0.3s ease !important;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1) !important;
}

.btn-secondary:hover {
  background-color: #7bb89a !important;
  transform: translateY(-1px) !important;
  box-shadow: 0 4px 8px rgba(0,0,0,0.15) !important;
}

.btn-accent {
  background-color: var(--color-accent) !important;
  color: white !important;
  border: none !important;
  padding: 8px 16px !important;
  border-radius: 8px !important;
  text-decoration: none !important;
  font-weight: 500 !important;
  font-size: 14px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 100% !important;
  transition: all 0.3s ease !important;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1) !important;
}

.btn-accent:hover {
  background-color: #d4537a !important;
  transform: translateY(-1px) !important;
  box-shadow: 0 4px 8px rgba(0,0,0,0.15) !important;
}

/* Animación para el menú móvil */
.mobile-menu {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  transform: translateX(-100%);
  opacity: 0;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  backdrop-filter: blur(8px);
}

.mobile-menu.active {
  transform: translateX(0);
  opacity: 1;
}

/* Prevenir scroll cuando el menú está abierto */
body.overflow-hidden {
  overflow: hidden;
}

/* Lazy loading para imágenes con animación mejorada */
.lazy-image {
  opacity: 0;
  transform: scale(0.96);
  transition: opacity 0.5s ease-in-out, transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: opacity, transform;
}

.lazy-image.loaded {
  opacity: 1;
  transform: scale(1);
}

/* Accesibilidad - ocultar visualmente pero mantener disponible para lectores de pantalla */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Asegurar que las imágenes no sean demasiado grandes */
img {
  max-width: 100%;
  height: auto;
}

/* Mejoras visuales adicionales */
.card-hover {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-hover:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Animaciones para elementos al hacer scroll */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Colores de fondo con gradientes sutiles */
.bg-gradient-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, #6CB8D7 100%);
}

.bg-gradient-secondary {
  background: linear-gradient(135deg, var(--color-secondary) 0%, #B4E0C5 100%);
}

/* Efecto para las tarjetas de recursos */
.resource-card {
  position: relative;
  z-index: 1;
  overflow: hidden;
  transition: all 0.3s ease-out;
  contain: content; /* Optimiza CLS */
  will-change: transform; /* Optimiza rendimiento de animaciones */
  min-height: 280px; /* Prevenir saltos de contenido en móviles - mejora CLS */
}

.resource-card::before {
  content: '';
  position: absolute;
  z-index: -1;
  top: -16px;
  right: -16px;
  background: var(--color-primary);
  height: 32px;
  width: 32px;
  border-radius: 32px;
  transform: scale(1);
  transform-origin: 50% 50%;
  transition: transform 0.3s ease-out;
  opacity: 0.1;
  will-change: transform, opacity; /* Optimiza rendimiento */
}

.resource-card:hover::before {
  transform: scale(25);
}

/* Mantener texto legible al pasar el cursor */
.resource-card:hover h3,
.resource-card:hover p,
.resource-card:hover a {
  color: var(--color-dark);
  text-shadow: 0px 0px 3px rgba(255, 255, 255, 0.7);
}

/* Mantener enlaces con su color distintivo */
.resource-card:hover a {
  color: var(--color-primary);
}

/* Optimización para dispositivos táctiles - mejor experiencia móvil */
@media (hover: none) {
  .resource-card:active::before {
    transform: scale(25);
    transition: transform 0.4s ease-out;
  }
}

/* Mantener el título visible y legible al pasar el cursor */
.resource-card:hover h3 {
  color: var(--color-dark);
  font-weight: bold;
}

/* Estilos específicos para botones de tarjetas de puntos clave */
.tarjeta-btn {
  background-color: var(--color-primary) !important;
  color: white !important;
  padding: 10px 20px !important;
  border-radius: 8px !important;
  text-decoration: none !important;
  font-weight: 500 !important;
  font-size: 14px !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 100% !important;
  border: none !important;
  cursor: pointer !important;
  transition: all 0.3s ease !important;
  box-shadow: 0 2px 4px rgba(75, 163, 195, 0.3) !important;
}

.tarjeta-btn:hover {
  background-color: #3a8ba8 !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 4px 8px rgba(75, 163, 195, 0.4) !important;
}

.tarjeta-btn.secondary {
  background-color: var(--color-secondary) !important;
  box-shadow: 0 2px 4px rgba(149, 209, 175, 0.3) !important;
}

.tarjeta-btn.secondary:hover {
  background-color: #7bb89a !important;
  box-shadow: 0 4px 8px rgba(149, 209, 175, 0.4) !important;
}

.tarjeta-btn.accent {
  background-color: var(--color-accent) !important;
  box-shadow: 0 2px 4px rgba(232, 97, 140, 0.3) !important;
}

.tarjeta-btn.accent:hover {
  background-color: #d4537a !important;
  box-shadow: 0 4px 8px rgba(232, 97, 140, 0.4) !important;
}

/* Estilos específicos para el botón de ayuda urgente en el menú */
.menu-btn-urgente {
  background-color: var(--color-accent) !important;
  color: white !important;
  padding: 0.5rem 1rem !important;
  border-radius: 6px !important;
  text-decoration: none !important;
  font-weight: 500 !important;
  font-size: 0.875rem !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  min-width: auto !important;
  width: auto !important;
  max-width: none !important;
  border: none !important;
  cursor: pointer !important;
  transition: all 0.3s ease !important;
  box-shadow: 0 2px 4px rgba(232, 97, 140, 0.3) !important;
  white-space: nowrap !important;
  flex-shrink: 0 !important;
}

.menu-btn-urgente:hover {
  background-color: #d4537a !important;
  transform: translateY(-1px) !important;
  box-shadow: 0 4px 8px rgba(232, 97, 140, 0.4) !important;
  color: white !important;
  text-decoration: none !important;
}

.menu-btn-urgente:focus {
  outline: 2px solid var(--color-accent) !important;
  outline-offset: 2px !important;
}

/* Estilos para el botón de ayuda urgente en menú móvil */
.mobile-menu .menu-btn-urgente {
  margin: 0.5rem 0 !important;
  padding: 0.75rem 1.5rem !important;
  font-size: 0.875rem !important;
  width: auto !important;
  max-width: 200px !important;
  align-self: center !important;
}

/* Asegurar que el botón no se expanda ni rompa el layout */
.menu-btn-urgente span {
  display: inline !important;
  white-space: nowrap !important;
}

/* Estilos específicos para breadcrumbs (migas de pan) */
.breadcrumb-nav {
  background-color: rgba(245, 247, 250, 0.5);
  border-bottom: 1px solid #e5e7eb;
}

.breadcrumb-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
}

.breadcrumb-item {
  display: flex;
  align-items: center;
}

.breadcrumb-link {
  color: rgba(51, 51, 51, 0.6);
  text-decoration: none;
  transition: color 0.2s ease;
}

.breadcrumb-link:hover {
  color: var(--color-primary);
}

.breadcrumb-separator {
  color: rgba(51, 51, 51, 0.4);
  margin: 0 0.25rem;
}

.breadcrumb-current {
  color: var(--color-primary);
  font-weight: 500;
}

.breadcrumb-icon {
  width: 1rem;
  height: 1rem;
  margin-right: 0.25rem;
}

/* Mejoras de accesibilidad para breadcrumbs */
.breadcrumb-nav[aria-label] {
  position: relative;
}

@media (max-width: 640px) {
  .breadcrumb-list {
    font-size: 0.8rem;
  }
  
  .breadcrumb-icon {
    width: 0.875rem;
    height: 0.875rem;
  }
}