/* Estilos específicos para la sección del Blog */

.blog-container {
  padding: 4rem 0;
  background-color: var(--color-surface);
}

/* --- Filtros de categorías (Sin cambios) --- */
.blog-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 3rem;
}

.filter-btn {
  background-color: transparent;
  color: var(--color-outline);
  border: 1px solid var(--color-outline);
  padding: 8px 20px;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: var(--font-parrafo);
  font-weight: bold;
}

.filter-btn:hover {
  background-color: var(--color-secondary);
  border-color: var(--color-secondary);
  color: var(--color-on-secondary);
}

.filter-btn.active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-on-primary);
}

/* --- Grilla y tarjetas de posts (Sin cambios) --- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}
.blog-card {
  background-color: var(--color-surface-variant);
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  opacity: 0;
  transform: translateY(30px);
}
.blog-card.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.blog-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.3);
}
.card-link { text-decoration: none; color: inherit; display: block; }
.blog-card-image-wrapper { height: 200px; overflow: hidden; }
.blog-card-image-wrapper img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.blog-card:hover .blog-card-image-wrapper img { transform: scale(1.05); }
.blog-card-content { padding: 1.5rem; }
.blog-card-category { display: inline-block; background-color: var(--color-secondary); color: var(--color-on-secondary); padding: 4px 12px; border-radius: 15px; font-size: 0.8rem; font-weight: bold; margin-bottom: 1rem; }
.blog-card-title { font-family: var(--font-titulo); font-size: 1.6rem; margin-bottom: 0.75rem; color: var(--color-on-surface); }
.blog-card-excerpt { font-family: var(--font-parrafo); font-size: 0.95rem; line-height: 1.6; opacity: 0.8; margin-bottom: 1.5rem; }
.blog-card-readmore { font-weight: bold; color: var(--color-primary); text-decoration: none; transition: color 0.3s ease; }
.card-link:hover .blog-card-readmore { color: var(--color-secondary); }
.blog-card.featured { grid-column: 1 / -1; }
@media (min-width: 768px) {
  .blog-card.featured .card-link { display: flex; align-items: center; }
  .blog-card.featured .blog-card-image-wrapper { height: 350px; width: 50%; flex-shrink: 0; }
  .blog-card.featured .blog-card-content { padding: 2rem; }
}

/* ======================================================================== */
/* === NUEVOS ESTILOS PARA EL MODAL DE POSTS === */
/* ======================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(14, 26, 28, 0.85); /* Fondo oscuro con transparencia */
  backdrop-filter: blur(8px);
  z-index: 10000;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  position: relative;
  background-color: var(--color-surface-variant);
  width: 90%;
  max-width: 900px;
  height: 90vh;
  border-radius: 15px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
  display: flex;
  flex-direction: column;
  transform: scale(0.95);
  transition: transform 0.4s ease;
}

.modal-overlay.open .modal-content {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 15px;
  right: 15px;
  background: var(--color-surface);
  border: none;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  color: white;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10;
}

.modal-body {
  padding: 2rem 3rem;
  overflow-y: auto; /* Permite scroll si el contenido es muy largo */
  color: var(--color-on-surface);
}

.modal-body h2 {
  font-family: var(--font-titulo);
  font-size: 2.5rem;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
}

.modal-body h3 {
  font-family: var(--font-titulo);
  font-size: 1.8rem;
  color: var(--color-secondary);
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.modal-body p {
  font-family: var(--font-parrafo);
  line-height: 1.8;
  margin-bottom: 1.5rem;
  max-width: 70ch; /* Ancho de línea cómodo para leer */
}

.modal-figure {
  margin: 2rem 0;
  text-align: center;
}

.modal-image {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  margin-bottom: 1rem;
}

.modal-figure figcaption {
  font-size: 0.9rem;
  color: var(--color-outline);
  font-style: italic;
}

/* Responsive para el modal */
@media (max-width: 768px) {
  .modal-body {
    padding: 2rem 1.5rem;
  }
  .modal-body h2 {
    font-size: 2rem;
  }
}
/* Pega esto al final de tu blog.css */

/* --- Estilos para el Artículo Dentro del Modal --- */
.modal-body .article-intro {
  font-size: 1.2rem;
  font-style: italic;
  max-width: 70ch;
  margin: 1.5rem auto 2rem auto; /* Ajuste de margen */
  opacity: 0.9;
  text-align: center;
}

/* --- Estilos para la Línea de Tiempo Vertical --- */
.timeline {
  position: relative;
  max-width: 650px;
  margin: 3rem auto;
  padding: 1rem 0;
}
.timeline::after {
  content: '';
  position: absolute;
  width: 3px;
  background-color: var(--color-outline-variant);
  top: 0;
  bottom: 0;
  left: 50%;
  margin-left: -1.5px;
}
.timeline-item {
  padding: 10px 40px;
  position: relative;
  width: 50%;
  opacity: 0;
  transition: opacity 0.5s ease-out;
}
.timeline-item.visible { opacity: 1; }
.timeline-item.fade-in-left { animation: fadeInLeft 0.8s ease-out forwards; }
.timeline-item.fade-in-right { animation: fadeInRight 0.8s ease-out forwards; }
@keyframes fadeInLeft { from { opacity: 0; transform: translateX(30px); } to { opacity: 1; transform: translateX(0); } }
@keyframes fadeInRight { from { opacity: 0; transform: translateX(-30px); } to { opacity: 1; transform: translateX(0); } }
.timeline-item:nth-child(odd) { left: 0; }
.timeline-item:nth-child(even) { left: 50%; }
.timeline-item::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  right: -10px;
  background-color: var(--color-surface);
  border: 4px solid var(--color-secondary);
  top: 28px;
  border-radius: 50%;
  z-index: 1;
}
.timeline-item:nth-child(even)::after { left: -10px; }
.timeline-content { padding: 1.5rem; background: var(--color-surface); border-radius: 10px; }
.timeline-time { font-weight: bold; color: var(--color-primary); }
.timeline-title { font-family: var(--font-titulo); font-size: 1.8rem; margin: 0.5rem 0; }

/* --- Estilos para las Tarjetas de Datos --- */
.data-cards-container {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin: 3rem 0;
  flex-wrap: wrap;
}
.data-card {
  background: var(--color-surface-variant);
  padding: 1.5rem;
  border-radius: 10px;
  text-align: center;
  min-width: 220px;
  border-bottom: 5px solid var(--color-primary);
  opacity: 0;
}
.data-card.visible.zoom-in { animation: zoomIn 0.6s ease-out forwards; }
@keyframes zoomIn { from { opacity: 0; transform: scale(0.8); } to { opacity: 1; transform: scale(1); } }
.data-card-number { font-size: 3.5rem; font-weight: bold; color: var(--color-secondary); }
.data-card-label { display: block; margin-bottom: 0.5rem; }
.data-card-source { font-size: 0.8rem; opacity: 0.7; }

/* Responsive para la línea de tiempo en móviles */
@media (max-width: 768px) {
  .timeline::after { left: 20px; }
  .timeline-item { width: 100%; padding-left: 55px; padding-right: 15px; }
  .timeline-item:nth-child(even) { left: 0; }
  .timeline-item.visible.fade-in-right { animation: fadeInLeft 0.8s ease-out forwards; }
}

/* ======================================================================== */
/* === ESTILOS PERSONALIZADOS PARA LA BARRA DE SCROLL DEL MODAL === */
/* ======================================================================== */

/* --- Para navegadores WebKit (Chrome, Safari, Edge, etc.) --- */

/* Seleccionamos el cuerpo del modal y su scrollbar */
.modal-body::-webkit-scrollbar {
  width: 12px; /* Ancho de la barra de scroll */
}

/* Este es el "riel" o fondo de la barra */
.modal-body::-webkit-scrollbar-track {
  background: var(--color-surface); /* Un color oscuro de tu paleta */
  border-radius: 10px;
}

/* Esta es la barra móvil, la que arrastras */
.modal-body::-webkit-scrollbar-thumb {
  background-color: var(--color-outline); /* Un color de acento de tu paleta */
  border-radius: 10px;
  border: 3px solid var(--color-surface); /* Crea un pequeño borde alrededor */
}

/* Efecto al pasar el cursor sobre la barra */
.modal-body::-webkit-scrollbar-thumb:hover {
  background-color: var(--color-secondary); /* Se ilumina con tu color secundario */
}


/* --- Para Firefox --- */
.modal-body {
  /* Firefox usa una propiedad más simple: color de la barra y color del fondo */
  scrollbar-width: thin; /* Puede ser 'auto', 'thin', o 'none' */
  scrollbar-color: var(--color-outline) var(--color-surface);
}

/* En tu archivo blog.css */

/* --- Estilos para la Tarjeta de Personaje Clave --- */
.key-figure-card {
  margin: 3rem auto;
  max-width: 650px;
  background: var(--color-surface); /* Un fondo ligeramente diferente */
  border-left: 5px solid var(--color-primary); /* Un acento de color */
  padding: 1.5rem 2rem;
  border-radius: 0 10px 10px 0;
  opacity: 0;
}
.key-figure-card.visible.zoom-in {
  animation: zoomIn 0.8s ease-out forwards;
}
.key-figure-card h4 {
  font-family: var(--font-parrafo);
  font-weight: bold;
  font-size: 0.9rem;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.key-figure-card h3 {
  font-family: var(--font-titulo);
  color: var(--color-on-surface);
  font-size: 2rem;
  margin-top: 0;
}
.key-figure-card p {
  font-size: 1rem;
  opacity: 0.9;
  margin-bottom: 0;
}

/* En tu archivo blog.css */

/* --- Estilos para el Comparador de Imágenes "Antes y Después" --- */
.image-comparison-slider {
  position: relative;
  width: 100%;
  max-width: 800px;
  margin: 3rem auto;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 10px;
  cursor: ew-resize; /* Cursor de mover de lado a lado */
  opacity: 0;
}
.image-comparison-slider.visible.fade-in-up {
  animation: fadeInUp 1s ease-out forwards;
}

.image-comparison-slider .image-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.image-comparison-slider .image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* La imagen "después" (la de encima) se recorta por defecto */
.image-comparison-slider .image-after {
  clip-path: inset(0 0 0 50%);
}

/* La barra divisora */
.image-comparison-slider .slider-handle {
  position: absolute;
  top: 0;
  left: 50%;
  width: 4px;
  height: 100%;
  background-color: white;
  transform: translateX(-2px);
  pointer-events: none; /* Para que no interfiera con el arrastre */
  display: flex;
  align-items: center;
  justify-content: center;
}

/* El círculo del handle */
.image-comparison-slider .slider-handle::before {
  content: '';
  position: absolute;
  width: 40px;
  height: 40px;
  border: 3px solid white;
  border-radius: 50%;
  background-color: rgba(0,0,0,0.5);
  backdrop-filter: blur(5px);
}

/* Las flechas dentro del círculo */
.handle-arrow {
  width: 0; 
  height: 0; 
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  position: absolute;
}
.left-arrow {
  border-right: 8px solid white; 
  left: -20px;
}
.right-arrow {
  border-left: 8px solid white; 
  right: -20px;
}

/* --- Estilos para el Gráfico de Barras Animado (Versión Definitiva y a Prueba de Fallos) --- */
.chart-container {
  margin: 3rem auto;
  padding: 2rem;
  background-color: var(--color-surface-variant);
  border-radius: 10px;
  text-align: center;
  max-width: 650px;
  opacity: 0;
}
.chart-container.visible.fade-in-up {
  animation: fadeInUp 1s ease-out forwards;
}
.chart-container h4 {
  font-family: var(--font-titulo);
  margin-bottom: 2rem;
}
.bar-chart {
  display: flex;
  justify-content: space-around;
  align-items: flex-end;
  height: 200px;
  border-left: 2px solid var(--color-outline);
  border-bottom: 2px solid var(--color-outline);
  padding-left: 1rem;
}
.bar-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 80px;
}
.bar {
  width: 50%;
  background: linear-gradient(to top, var(--color-primary), var(--color-secondary));
  border-radius: 5px 5px 0 0;
  /* El estado inicial para TODAS las barras es altura CERO */
  height: 0;
  transition: height 1.5s cubic-bezier(0.25, 1, 0.5, 1);
}

/* --- ¡LA MAGIA ESTÁ AQUÍ (TU SOLUCIÓN)! --- */
/* Cuando el contenedor es visible, cada barra crece a su altura específica */

.chart-container.visible .bar-1 {
  height: 25px; /* Altura para la primera barra */
}
.chart-container.visible .bar-2 {
  height: 70px; /* Altura para la segunda barra */
}

.bar-label {
  margin-top: 0.5rem;
  font-weight: bold;
}
.bar-value {
  font-size: 0.8rem;
  opacity: 0.8;
}
.chart-caption {
  margin-top: 1rem;
  font-style: italic;
  font-size: 0.9rem;
  opacity: 0.7;
}

/* ======================================================================== */
/* === ESTILOS CORREGIDOS PARA LAS TARJETAS GIRATORIAS === */
/* ======================================================================== */

.flip-cards-container {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2rem;
  margin: 3rem 0;
  perspective: 1000px; 
}

.flip-card {
  background-color: transparent;
  width: 280px;
  height: 350px;
  cursor: pointer;
  /* ¡AÑADIDO! Transición suave para el efecto de elevación */
  transition: transform 0.3s ease, z-index 0s 0.15s; 
}

/* ¡AÑADIDO! Hacemos que la tarjeta activa se eleve y se ponga al frente */
.flip-card:hover {
  transform: scale(1.05); /* La tarjeta se hace un poco más grande */
  z-index: 10; /* La traemos al frente para que no se atraviese con otras */
  transition: transform 0.3s ease, z-index 0s 0s;
}

.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: center;
  transition: transform 0.8s;
  transform-style: preserve-3d;
  box-shadow: 0 5px 15px rgba(0,0,0,0.3);
  border-radius: 15px; /* Movido aquí para que ambas caras lo hereden */
}

.flip-card:hover .flip-card-inner {
  transform: rotateY(180deg);
}

.flip-card-front, .flip-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden; /* Oculta la cara trasera por defecto */
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 20px;
  border-radius: 15px;
  color: white;
}

.flip-card-front {
  background: #4a5a59;
  background-image: linear-gradient(45deg, rgba(255, 255, 255, 0.05) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.05) 50%, rgba(255, 255, 255, 0.05) 75%, transparent 75%, transparent);
  border: 2px solid var(--color-outline);
}

.flip-card-front h3 {
  /* ¡MODIFICADO! Usamos tu fuente principal */
  font-family: var(--font-titulo); 
  font-size: 2.5rem;
  color: #fff;
  margin: 0;
}

.flip-card-instruction {
  font-style: italic;
  opacity: 0.6;
  font-size: 0.9rem;
  margin-top: 1rem;
}

/* Reemplaza los estilos de .flip-card-back con estos en tu blog.css */

.flip-card-back {
  background-color: var(--color-surface-variant);
  color: var(--color-on-surface);
  transform: rotateY(180deg); 
  /* ¡MODIFICADO! Ajustamos el layout */
  justify-content: flex-start; /* Alineamos el contenido arriba */
  padding-top: 2rem;
}

/* Estilo para el nuevo ícono */
.flip-card-back i {
  width: 48px;
  height: 48px;
  stroke-width: 1.5px;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.flip-card-back h4 {
  /* ¡MODIFICADO! Usamos tu fuente principal de títulos */
  font-family: var(--font-titulo); 
  font-size: 1.8rem;
  color: var(--color-on-surface);
  position: relative; /* Para la línea decorativa */
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
}

/* ¡AÑADIDO! Línea decorativa debajo del título */
.flip-card-back h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 2px;
  background-color: var(--color-secondary);
}

.flip-card-back p {
  font-size: 1rem;
  line-height: 1.5;
  opacity: 0.9;
}