/* ==========================================================================
   CSS PRINCIPAL - INSTITUTO DE ESTUDIOS POLÍTICOS Y ELECTORALES (IEPE)
   ========================================================================== */

/* IMPORTACIÓN DE FUENTES (Google Fonts) */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Lora:ital,wght@0,400;0,500;0,600;0,700;1,400&display=swap');

/* VARIABLES DE DISEÑO (TEMA CLARO POR DEFECTO) */
:root {
  /* Paleta de Colores (Claro) */
  --bg-base: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-hover: #f1f5f9;
  --bg-surface-glass: rgba(255, 255, 255, 0.7);
  --border-color: #e2e8f0;
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --logo-text: #0f172a;
  
  --primary: #1e40af;       /* Azul Institucional */
  --primary-hover: #1e3a8a;
  --primary-light: #eff6ff;
  
  --accent: #0ea5e9;        /* Cian Tecnológico / Innovación */
  --accent-hover: #0284c7;
  --accent-light: #e0f2fe;
  
  --highlight: #f59e0b;     /* Oro / Resaltado */
  --highlight-hover: #d97706;
  
  --success: #10b981;
  --danger: #ef4444;
  
  /* Gradientes */
  --grad-hero: linear-gradient(135deg, #1e40af 0%, #0ea5e9 100%);
  --grad-surface: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  --grad-accent: linear-gradient(135deg, #0ea5e9 0%, #2563eb 100%);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Fuentes y Ajustes */
  --font-title: 'Lora', 'Georgia', serif;
  --font-body: 'Inter', sans-serif;
  --radius-sm: 0px;
  --radius-md: 0px;
  --radius-lg: 0px;
  --radius-full: 0px;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Filtros */
  --backdrop-blur: blur(12px);
}

/* CONFIGURACIÓN MODO OSCURO */
[data-theme="dark"] {
  /* Paleta de Colores (Oscuro) */
  --bg-base: #090d16;
  --bg-surface: #131b2e;
  --bg-surface-hover: #1e293b;
  --bg-surface-glass: rgba(19, 27, 46, 0.75);
  --border-color: #1e293b;
  
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --logo-text: #ffffff;
  
  --primary: #3b82f6;       /* Azul más vibrante para fondos oscuros */
  --primary-hover: #60a5fa;
  --primary-light: rgba(59, 130, 246, 0.1);
  
  --accent: #38bdf8;        /* Cian más brillante */
  --accent-hover: #7dd3fc;
  --accent-light: rgba(56, 189, 248, 0.1);
  
  --highlight: #fbbf24;
  --highlight-hover: #fcd34d;
  
  --grad-hero: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
  --grad-surface: linear-gradient(180deg, #131b2e 0%, #090d16 100%);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
}

/* RESET E INSTALACIÓN GLOBAL */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  height: -webkit-fill-available;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  min-height: -webkit-fill-available;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

img, svg {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

button {
  cursor: pointer;
}

ul {
  list-style: none;
}

/* CONTENEDOR PRINCIPAL Y GRID */
.container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* ==========================================================================
   NAVEGACIÓN / HEADER
   ========================================================================== */
.main-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-surface-glass);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 50px;
}

.logo-wrapper {
  display: flex;
  align-items: center;
  height: 32px;
}

.logo-image {
  height: 30px;
  width: auto;
  pointer-events: none;
}

/* Aplicar variables para que el logo SVG reaccione al tema claro/oscuro */
.logo-image svg {
  --logo-text: var(--logo-text);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  position: relative;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav-link:hover {
  color: var(--primary);
  background-color: var(--primary-light);
}

.nav-link.active {
  color: var(--primary);
  font-weight: 600;
  background-color: var(--primary-light);
}

/* Controladores Globales: Idioma, Tema, Menú Hamburguesa */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  background-color: var(--bg-surface-hover);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}

.btn-icon:hover {
  color: var(--primary);
  background-color: var(--primary-light);
  transform: translateY(-2px);
}

.lang-selector {
  padding: 0.3rem 0.6rem;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  background-color: var(--bg-surface-hover);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lang-selector:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.menu-toggle {
  display: none;
}

/* ==========================================================================
   VISTAS Y ENRUTAMIENTO (SPA)
   ========================================================================== */
.view-section {
  display: none;
  opacity: 0;
  transform: translateY(15px);
  transition: opacity var(--transition-normal), transform var(--transition-normal);
  padding-top: 2.5rem;
  padding-bottom: 5rem;
  flex-grow: 1;
}

.view-section.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   SECCIÓN INICIO (HOME)
   ========================================================================== */
.hero-wrapper {
  background: var(--grad-hero);
  border-radius: var(--radius-lg);
  padding: 4.5rem 3rem;
  color: #ffffff;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  margin-bottom: 4rem;
}

/* Líneas abstractas decorativas de fondo */
.hero-wrapper::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 50%;
  height: 140%;
  background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, rgba(255,255,255,0) 70%);
  transform: rotate(-15deg);
  pointer-events: none;
}

.hero-content {
  max-width: 680px;
  position: relative;
  z-index: 2;
}

.hero-tag {
  background-color: rgba(255, 255, 255, 0.15);
  backdrop-filter: var(--backdrop-blur);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
  display: inline-block;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.25);
  text-transform: uppercase;
}

.hero-title {
  font-family: var(--font-title);
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  letter-spacing: -1px;
}

.hero-description {
  font-size: 1.2rem;
  opacity: 0.9;
  margin-bottom: 2.5rem;
  font-weight: 400;
  line-height: 1.6;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Botones Premium */
.btn-primary, .btn-secondary {
  padding: 0.85rem 1.8rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.btn-primary {
  background-color: var(--highlight);
  color: #0f172a;
}

.btn-primary:hover {
  background-color: var(--highlight-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: rgba(255, 255, 255, 0.15);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: var(--backdrop-blur);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

/* Sección de Métricas / Estadísticas */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.stat-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}

.stat-number {
  font-family: var(--font-title);
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 0.5rem;
  background: var(--grad-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.stat-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Destacados / Tarjetas de Sección Rápida */
.section-headline {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 3rem auto;
}

.section-headline h2 {
  font-family: var(--font-title);
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  letter-spacing: -0.5px;
}

.section-headline p {
  color: var(--text-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.feature-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2.2rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--accent);
}

.feature-icon-box {
  width: 55px;
  height: 55px;
  border-radius: var(--radius-md);
  background-color: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
}

.feature-card h3 {
  font-family: var(--font-title);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.feature-card .card-link {
  color: var(--accent);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.9rem;
}

.feature-card .card-link:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

/* ==========================================================================
   SECCIÓN NOSOTROS (ABOUT)
   ========================================================================== */
.about-split {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  margin-bottom: 5rem;
  align-items: center;
}

.about-text h3 {
  font-family: var(--font-title);
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.about-text p {
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
}

.about-graphic {
  background-color: var(--primary-light);
  border-radius: var(--radius-lg);
  padding: 3rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  border: 1px solid var(--border-color);
  position: relative;
}

.about-quote {
  font-style: italic;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--primary);
  border-left: 4px solid var(--accent);
  padding-left: 1.5rem;
}

/* Grilla de Principios */
.principles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
  margin-bottom: 5rem;
}

.principle-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.principle-card:hover {
  border-color: var(--primary);
  transform: translateY(-3px);
}

.principle-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  display: block;
}

.principle-card h4 {
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.principle-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Grid de Miembros / Equipo */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 2rem;
}

.team-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.8rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.team-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}

.team-avatar {
  width: 90px;
  height: 90px;
  border-radius: var(--radius-full);
  background: var(--grad-hero);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  font-weight: 700;
  margin: 0 auto 1.25rem auto;
  box-shadow: var(--shadow-md);
}

.team-card h4 {
  font-family: var(--font-title);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.team-role {
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.75rem;
}

.team-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.team-link {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.team-link:hover {
  text-decoration: underline;
}

/* ==========================================================================
   SECCIÓN ÁREAS DE TRABAJO
   ========================================================================== */
.areas-container {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 3rem;
  margin-top: 2rem;
}

.areas-sidebar {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.btn-area-tab {
  text-align: left;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-secondary);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-area-tab:hover {
  background-color: var(--bg-surface-hover);
  color: var(--text-primary);
}

.btn-area-tab.active {
  background-color: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.area-content-panel {
  display: none;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-md);
  animation: fadeIn 0.4s ease forwards;
}

.area-content-panel.active {
  display: block;
}

.area-header-box {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1.5rem;
}

.area-header-icon {
  font-size: 3rem;
  color: var(--primary);
}

.area-header-title h3 {
  font-family: var(--font-title);
  font-size: 1.75rem;
  font-weight: 800;
}

.area-header-title p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.area-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.subarea-box h4 {
  font-family: var(--font-title);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.subarea-box p {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

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

/* ==========================================================================
   SECCIÓN PUBLICACIONES
   ========================================================================== */
.publications-controls {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.8rem;
  margin-bottom: 3rem;
  box-shadow: var(--shadow-sm);
}

.search-box-wrapper {
  position: relative;
  width: 100%;
}

.search-input {
  width: 100%;
  padding: 0.85rem 1rem 0.85rem 2.8rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background-color: var(--bg-base);
  transition: all var(--transition-fast);
}

.search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
  background-color: var(--bg-surface);
}

.search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.filter-tags {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.btn-tag {
  padding: 0.5rem 1.1rem;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  background-color: var(--bg-surface-hover);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.btn-tag:hover {
  background-color: var(--primary-light);
  color: var(--primary);
  border-color: var(--primary);
}

.btn-tag.active {
  background-color: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

/* Listado de publicaciones */
.publications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
}

.pub-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

.pub-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}

.pub-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.8rem;
  font-weight: 500;
}

.pub-category {
  color: var(--primary);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
}

.pub-title {
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 0.75rem;
  flex-grow: 0;
}

.pub-excerpt {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.pub-author {
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
  padding-top: 0.75rem;
  margin-bottom: 1rem;
}

.btn-download {
  width: 100%;
  padding: 0.65rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--primary);
  color: var(--primary);
  font-weight: 600;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all var(--transition-fast);
}

.btn-download:hover {
  background-color: var(--primary);
  color: #ffffff;
}

/* Alertas de sin resultados */
.no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-secondary);
}

.no-results-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--text-muted);
}

/* ==========================================================================
   SECCIÓN CAPACITACIÓN
   ========================================================================== */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2.5rem;
}

.course-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

.course-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.course-badge {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background-color: var(--highlight);
  color: #0f172a;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.course-image-placeholder {
  height: 200px;
  background: var(--grad-hero);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 3.5rem;
}

.course-body {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.course-title {
  font-family: var(--font-title);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  line-height: 1.35;
}

.course-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.course-meta-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* Formulario de pre-inscripción modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(9, 13, 22, 0.7);
  backdrop-filter: var(--backdrop-blur);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  animation: fadeIn 0.3s ease;
}

.modal-overlay.active {
  display: flex;
}

.modal-content {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 550px;
  padding: 2.5rem;
  box-shadow: var(--shadow-xl);
  position: relative;
  animation: scaleIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes scaleIn {
  from { transform: scale(0.9); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 35px;
  height: 35px;
  border-radius: var(--radius-full);
  background-color: var(--bg-surface-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background-color: var(--danger);
  color: #ffffff;
}

.modal-title {
  font-family: var(--font-title);
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.modal-subtitle {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

/* Campos de Formulario */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-base);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.form-control:focus {
  border-color: var(--primary);
  background-color: var(--bg-surface);
  box-shadow: 0 0 0 3px var(--primary-light);
}

/* ==========================================================================
   SECCIÓN SIMULADOR ELECTORAL (BUP - BOLETA ÚNICA PAPEL)
   ========================================================================== */
.simulator-intro {
  background-color: var(--primary-light);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.8rem;
  margin-bottom: 3rem;
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.sim-intro-icon {
  font-size: 2.2rem;
  color: var(--primary);
}

.sim-intro-text h4 {
  font-family: var(--font-title);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.sim-intro-text p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Contenedor de la Boleta Única */
.ballot-container {
  background-color: #ffffff;
  color: #0f172a;
  border: 4px solid #0f172a;
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-xl);
  overflow-x: auto;
  margin-bottom: 3rem;
}

[data-theme="dark"] .ballot-container {
  background-color: #f8fafc;
  color: #0f172a;
}

.ballot-header {
  text-align: center;
  border-bottom: 3px double #0f172a;
  padding-bottom: 1.5rem;
  margin-bottom: 1.5rem;
}

.ballot-header h3 {
  font-family: var(--font-title);
  font-size: 1.8rem;
  font-weight: 900;
  letter-spacing: 0.5px;
}

.ballot-header p {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  color: #475569;
}

/* Estructura de la Boleta en Columnas (Categorías Electorales) */
.ballot-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

/* Columna de Categoría */
.ballot-column {
  border-right: 1px dashed #94a3b8;
  padding-right: 1rem;
}

.ballot-column:last-child {
  border-right: none;
  padding-right: 0;
}

.column-header {
  background-color: #0f172a;
  color: #ffffff;
  padding: 0.6rem;
  text-align: center;
  font-weight: 700;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  text-transform: uppercase;
}

/* Tarjetas de Opción / Candidato */
.ballot-card {
  border: 2px solid #cbd5e1;
  border-radius: var(--radius-sm);
  padding: 0.8rem;
  margin-bottom: 0.75rem;
  cursor: pointer;
  position: relative;
  transition: all var(--transition-fast);
  background-color: #ffffff;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 140px;
}

.ballot-card:hover {
  border-color: #475569;
  background-color: #f1f5f9;
}

/* Estado Activo de Selección */
.ballot-card.selected {
  border-color: #1e40af;
  background-color: #eff6ff;
  box-shadow: 0 0 0 2px #3b82f6;
}

/* Casillero del Voto (Checkbox visual redondo) */
.ballot-checkbox {
  position: absolute;
  top: 0.8rem;
  right: 0.8rem;
  width: 24px;
  height: 24px;
  border: 2px solid #475569;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #ffffff;
}

.ballot-card.selected .ballot-checkbox::after {
  content: '✓';
  color: #1e40af;
  font-weight: 900;
  font-size: 1.1rem;
}

.candidate-photo {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: #e2e8f0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.candidate-party {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  color: #64748b;
  margin-bottom: 0.2rem;
}

.candidate-name {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.9rem;
  color: #0f172a;
}

/* Tarjeta Voto en Blanco / Lista Completa */
.ballot-card-special {
  min-height: auto;
  padding: 0.8rem;
  align-items: center;
  justify-content: center;
  border-style: solid;
}

/* Barra de Estado de Votación y Acciones del Simulador */
.simulator-actions-bar {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.8rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  box-shadow: var(--shadow-md);
}

.sim-status {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.sim-status-title {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
}

.sim-status-state {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--primary);
}

.sim-buttons-group {
  display: flex;
  gap: 1rem;
}

/* Urna Interactiva / Modal de Voto Depositado */
.urn-animation-box {
  text-align: center;
  padding: 2rem 0;
}

.urn-svg {
  width: 150px;
  height: 150px;
  margin: 0 auto 1.5rem auto;
}

/* Animación de Boleta cayendo en la urna */
.ballot-falling {
  animation: fallIntoUrn 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94) infinite;
}

@keyframes fallIntoUrn {
  0% { transform: translateY(-60px) rotate(-10deg); opacity: 0; }
  30% { opacity: 1; }
  70% { transform: translateY(15px) scale(0.8); opacity: 0.2; }
  100% { transform: translateY(30px) scale(0.5); opacity: 0; }
}

/* Recibo de Voto Simulado */
.vote-receipt {
  border: 2px dashed var(--border-color);
  background-color: var(--bg-surface-hover);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-top: 1.5rem;
  text-align: left;
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.85rem;
}

.vote-receipt-title {
  text-align: center;
  font-weight: bold;
  border-bottom: 1px dashed var(--border-color);
  padding-bottom: 0.5rem;
  margin-bottom: 0.8rem;
}

/* ==========================================================================
   SECCIÓN CONTACTO
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: flex-start;
}

.contact-info-panel {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.contact-intro h3 {
  font-family: var(--font-title);
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.contact-intro p {
  color: var(--text-secondary);
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.contact-icon-box {
  width: 45px;
  height: 45px;
  border-radius: var(--radius-sm);
  background-color: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-item-text h5 {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.contact-item-text p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Mapa Vectorial del IEPE */
.vector-map-argentina {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.map-placeholder-label {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

/* Formulario de Contacto Principal */
.contact-form-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-md);
}

/* Feedback de envío de formulario */
.form-feedback {
  padding: 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  display: none;
  animation: fadeIn var(--transition-fast) forwards;
}

.form-feedback.success {
  display: block;
  background-color: rgba(16, 185, 129, 0.15);
  color: var(--success);
  border: 1px solid var(--success);
}

.form-feedback.error {
  display: block;
  background-color: rgba(239, 68, 68, 0.15);
  color: var(--danger);
  border: 1px solid var(--danger);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.main-footer {
  background-color: #0f172a;
  color: #94a3b8;
  padding: 4.5rem 0 2rem 0;
  border-top: 1px solid #1e293b;
  margin-top: auto;
}

[data-theme="dark"] .main-footer {
  background-color: #060911;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-logo-desc {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.footer-logo {
  height: 50px;
  width: auto;
}

/* Ajustes de color para el logo en el pie oscuro */
.footer-logo svg {
  --logo-text: #ffffff;
}

.footer-desc {
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer-title {
  color: #ffffff;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link {
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: #ffffff;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background-color: #1e293b;
  color: #cbd5e1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all var(--transition-fast);
}

.social-icon:hover {
  background-color: var(--accent);
  color: #0f172a;
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
}

/* ==========================================================================
   RESPONSIVIDAD Y ADAPTABILIDAD MÓVIL
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 2.8rem;
  }
  .about-split {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .areas-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .areas-sidebar {
    flex-direction: row;
    flex-wrap: wrap;
  }
  .btn-area-tab {
    flex: 1 1 auto;
    justify-content: center;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .ballot-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none; /* Se oculta para móvil, se controla con JS */
  }
  
  /* Menú Móvil Activo */
  .nav-menu.mobile-active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 50px;
    left: 0;
    width: 100%;
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    padding: 2rem 1.5rem;
    gap: 1.25rem;
    box-shadow: var(--shadow-lg);
    animation: fadeIn var(--transition-fast) forwards;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .hero-wrapper {
    padding: 3rem 1.5rem;
  }
  
  .hero-title {
    font-size: 2.2rem;
  }
  
  .section-headline h2 {
    font-size: 1.8rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .ballot-grid {
    grid-template-columns: 1fr;
  }
  
  .simulator-actions-bar {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .sim-buttons-group {
    width: 100%;
  }
  
  .sim-buttons-group button {
    flex: 1;
  }
}

/* ==========================================================================
   ELEMENTOS MULTIMEDIA (VIDEOS & LIBRO VATICANO)
   ========================================================================== */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.video-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

.video-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}

.video-wrapper-iframe {
  position: relative;
  padding-bottom: 56.25%; /* Ratio 16:9 */
  height: 0;
  overflow: hidden;
  background-color: #000;
}

.video-wrapper-iframe iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.video-info {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.video-card-title {
  font-family: var(--font-title);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.video-card-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

.vatican-split {
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 3rem;
  align-items: center;
}

.vatican-img-container {
  display: flex;
  justify-content: center;
  align-items: center;
}

.vatican-book-cover {
  width: 100%;
  max-width: 170px;
  height: auto;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  transition: transform var(--transition-normal);
}

.vatican-book-cover:hover {
  transform: scale(1.05) rotate(2deg);
}

@media (max-width: 768px) {
  .vatican-split {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }
}