/* ====================================
   CAPACITACIÓN SINNUT - ESTILOS PRINCIPALES
   Optimizado para Canvas LMS iframe
   Diseño mobile-first y responsive
   ==================================== */

:root {
  /* Paleta de colores */
  --primary-color: #0D2339;
  --secondary-color: #50b67a;
  --accent-color: #c59d5f;
  --background-color: #f8f9fa;
  --card-background: #ffffff;
  --text-primary: #1a1a1a;
  --text-secondary: #666;
  --text-muted: #888;
  --border-color: #e3eafc;
  --shadow-light: 0 2px 8px rgba(0,0,0,0.1);
  --shadow-medium: 0 4px 15px rgba(0,0,0,0.1);
  --shadow-heavy: 0 8px 25px rgba(13, 35, 57, 0.15);
  
  /* Gradientes */
  --gradient-primary: linear-gradient(135deg, #0D2339 0%, #1a3a52 100%);
  --gradient-secondary: linear-gradient(135deg, #50b67a 0%, #4a9d6b 100%);
  --gradient-accent: linear-gradient(135deg, #c59d5f 0%, #b8935a 100%);
  --gradient-background: linear-gradient(135deg, #f4f8f9 0%, #e3eafc 100%);
  
  /* Espaciado */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-xxl: 3rem;
  
  /* Bordes */
  --border-radius-sm: 6px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 15px;
  
  /* Transiciones */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.4s ease;
}

/* Reset y base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--background-color);
  /* Optimización para iframe */
  margin: 0;
  padding: var(--spacing-md);
  min-height: 100vh;
}

/* Contenedor principal */
.main-container {
  max-width: 1200px;
  margin: 0 auto;
  background-color: var(--card-background);
  padding: var(--spacing-lg);
  border-left: 5px solid var(--primary-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-medium);
  min-height: calc(100vh - 2rem);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
  line-height: 1.3;
}

h1 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  letter-spacing: 1px;
  text-align: center;
}

h2 {
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  margin-bottom: var(--spacing-lg);
}

h3 {
  font-size: clamp(1.2rem, 2.5vw, 1.4rem);
  margin-bottom: var(--spacing-md);
}

p {
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

/* Header */
.header {
  text-align: center;
  margin-bottom: var(--spacing-xxl);
  padding: var(--spacing-xl);
  background: var(--gradient-background);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
}

.header img {
  height: clamp(60px, 8vw, 80px);
  margin-bottom: var(--spacing-md);
  max-width: 100%;
}

.header h1 {
  margin: var(--spacing-md) 0;
}

.header p {
  font-size: clamp(1rem, 2vw, 1.1rem);
  color: var(--text-secondary);
  margin: 0;
}

/* Navegación */
.nav-breadcrumb {
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--border-color);
  overflow-x: auto;
  white-space: nowrap;
}

.nav-breadcrumb a {
  color: var(--primary-color);
  text-decoration: none;
  margin: 0 var(--spacing-xs);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  transition: var(--transition-fast);
}

.nav-breadcrumb a:hover {
  background-color: var(--border-color);
}

.nav-breadcrumb .separator {
  color: #ccc;
  margin: 0 var(--spacing-xs);
}

/* Cards y módulos */
.info-card {
  background: var(--gradient-background);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xxl);
  border: 1px solid var(--border-color);
  text-align: center;
  transition: var(--transition-slow);
  box-shadow: var(--shadow-light);
}

.info-card:hover {
  box-shadow: var(--shadow-heavy);
  transform: translateY(-2px);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-lg);
}

.stat-item {
  text-align: center;
  transition: var(--transition-normal);
}

.stat-item:hover {
  transform: scale(1.05);
}

.stat-circle {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-sm);
  font-size: 1.2rem;
  font-weight: bold;
  color: white;
  box-shadow: var(--shadow-light);
  transition: var(--transition-normal);
}

.stat-circle.primary {
  background: var(--gradient-secondary);
}

.stat-circle.secondary {
  background: var(--gradient-primary);
}

.stat-circle.accent {
  background: var(--gradient-accent);
}

/* Botones */
.btn {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-xl);
  font-weight: bold;
  text-decoration: none;
  border-radius: var(--border-radius-md);
  font-size: 1rem;
  text-align: center;
  transition: var(--transition-normal);
  cursor: pointer;
  border: none;
  box-shadow: var(--shadow-light);
}

.btn:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--shadow-medium);
}

.btn-primary {
  background: var(--gradient-secondary);
  color: white;
}

.btn-primary:hover {
  filter: brightness(1.1);
}

.btn-secondary {
  background: var(--gradient-primary);
  color: white;
}

.btn-secondary:hover {
  filter: brightness(1.1);
}

.btn-accent {
  background: var(--gradient-accent);
  color: white;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  justify-content: center;
  margin-bottom: var(--spacing-xl);
}

/* Grid de módulos */
.modules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xxl);
}

.module-card {
  background: linear-gradient(135deg, #f9f9f9 0%, #ffffff 100%);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  transition: var(--transition-slow);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-light);
  border: 2px solid var(--secondary-color);
}

.module-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-heavy);
}

.module-card.available {
  border-color: var(--secondary-color);
}

.module-card.coming-soon {
  border-color: var(--primary-color);
}

.module-card.future {
  border-color: var(--accent-color);
}

.module-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-lg);
  font-size: 2rem;
  color: white;
  box-shadow: var(--shadow-light);
  transition: var(--transition-normal);
}

.module-icon:hover {
  transform: rotate(360deg) scale(1.1);
}

.module-tags {
  margin-bottom: var(--spacing-lg);
}

.tag {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--border-radius-xl);
  font-size: 0.9rem;
  margin: var(--spacing-xs);
  box-shadow: var(--shadow-light);
}

.tag.time {
  background: var(--gradient-background);
  color: var(--primary-color);
}

.tag.type {
  background: linear-gradient(135deg, #eaf6ff 0%, #e3f7f0 100%);
  color: var(--secondary-color);
}

/* Secciones especiales */
.section {
  background-color: var(--card-background);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  border-left: 4px solid var(--secondary-color);
}

.section.evaluation {
  background: var(--gradient-background);
  border: 1px solid var(--border-color);
  text-align: center;
  transition: var(--transition-slow);
}

.section.evaluation:hover {
  box-shadow: var(--shadow-heavy);
  transform: translateY(-3px);
}

/* Pasos del proceso */
.process-steps {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.step {
  background-color: #f9f6f1;
  border-left: 4px solid var(--primary-color);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-sm);
  transition: var(--transition-fast);
}

.step:hover {
  background-color: #f4f1ec;
  transform: translateX(5px);
}

/* Alertas y notificaciones */
.alert {
  padding: var(--spacing-md) var(--spacing-lg);
  border-left: 4px solid;
  border-radius: var(--border-radius-sm);
  margin: var(--spacing-md) 0;
  font-size: 1.05rem;
}

.alert.info {
  background-color: #e3eafc;
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.alert.success {
  background-color: #eaf6ff;
  border-color: var(--secondary-color);
  color: var(--secondary-color);
}

.alert.tip {
  background-color: #eaf6ff;
  border-color: var(--secondary-color);
  font-size: 0.95rem;
}

/* Video responsivo */
.video-container {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 aspect ratio */
  height: 0;
  background-color: var(--border-color);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  margin: var(--spacing-lg) 0;
}

.video-container video,
.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* Navegación rápida */
.quick-nav {
  background-color: #f9f9f9;
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  border: 1px solid var(--border-color);
  text-align: center;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-md);
}

.nav-link {
  padding: var(--spacing-sm) var(--spacing-md);
  text-decoration: none;
  border-radius: var(--border-radius-sm);
  font-size: 0.95rem;
  transition: var(--transition-fast);
  color: white;
  font-weight: 500;
}

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

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

.nav-link.accent {
  background-color: var(--accent-color);
}

.nav-link.muted {
  background-color: var(--text-secondary);
}

.nav-link:hover {
  background-color: var(--primary-color) !important;
  transform: translateY(-1px);
}

/* Footer */
.footer {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
  margin-top: var(--spacing-xxl);
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  body {
    padding: var(--spacing-sm);
  }
  
  .main-container {
    padding: var(--spacing-md);
    border-left: 3px solid var(--primary-color);
  }
  
  .header {
    padding: var(--spacing-lg);
  }
  
  .btn-group {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 300px;
  }
  
  .modules-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: var(--spacing-md);
  }
  
  .nav-links {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .nav-link {
    width: 100%;
    max-width: 250px;
  }
  
  .nav-breadcrumb {
    font-size: 0.9rem;
    padding-bottom: var(--spacing-md);
  }
}

@media (max-width: 480px) {
  .header {
    padding: var(--spacing-md);
  }
  
  .info-card,
  .section {
    padding: var(--spacing-md);
  }
  
  .module-card {
    padding: var(--spacing-md);
  }
  
  .stat-circle {
    width: 50px;
    height: 50px;
    font-size: 1rem;
  }
  
  .module-icon {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }
}

/* Optimizaciones para iframe en Canvas LMS */
@media (max-width: 1024px) {
  .main-container {
    max-width: 100%;
    margin: 0;
    border-radius: 0;
    border-left: none;
    border-top: 5px solid var(--primary-color);
  }
}

/* Animaciones sutiles */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  animation: fadeIn 0.6s ease-out;
}

/* Accesibilidad */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Focus states para accesibilidad */
.btn:focus,
.nav-link:focus,
a:focus {
  outline: 2px solid var(--secondary-color);
  outline-offset: 2px;
}

/* ====================================
   NAVEGACIÓN STICKY (SE MUEVE CON SCROLL)
   ==================================== */
.sticky-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  padding: var(--spacing-sm) var(--spacing-md);
  z-index: 1000;
  transform: translateY(-100%);
  transition: transform var(--transition-normal);
  box-shadow: var(--shadow-light);
}

.sticky-nav.visible {
  transform: translateY(0);
}

.sticky-nav-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
}

.sticky-nav .logo {
  height: 35px;
  width: auto;
}

.sticky-nav .nav-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary-color);
  margin: 0;
  flex: 1;
  text-align: center;
}

.sticky-nav .nav-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.sticky-nav .nav-actions .btn {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.875rem;
  min-height: auto;
}

/* Compensación del body cuando hay navegación sticky */
.has-sticky-nav {
  padding-top: 60px;
}

/* Responsive para navegación sticky */
@media (max-width: 768px) {
  .sticky-nav-content {
    flex-direction: column;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) 0;
  }
  
  .sticky-nav .nav-title {
    font-size: 0.875rem;
    text-align: left;
  }
  
  .sticky-nav .logo {
    height: 30px;
  }
  
  .has-sticky-nav {
    padding-top: 80px;
  }
}

/* Botón para volver arriba */
.scroll-to-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 999;
  box-shadow: var(--shadow-medium);
}

.scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-to-top:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-heavy);
}

.scroll-to-top:active {
  transform: translateY(-1px);
}