/* Estilos Globales para Beauty LMS - Diseño Boutique de Lujo */

/* Importar Tipografías Premium desde Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Italiana&family=Outfit:wght@300;400;500;600&display=swap');

:root {
  /* Paleta de Colores de Lujo */
  --color-primary: #D4AF37;       /* Dorado Champán */
  --color-primary-dark: #B89020;  /* Dorado Oscuro */
  --color-primary-light: #F7E7C4; /* Dorado Suave */
  --color-dark: #1A1A1A;          /* Negro Carbón */
  --color-dark-light: #2D2D2D;    /* Gris Carbón Oscuro */
  --color-light: #FAFAFA;         /* Blanco Hueso / Fondo */
  --color-white: #FFFFFF;
  --color-gray: #7F8C8D;          /* Gris Neutro */
  --color-gray-light: #E0E0E0;    /* Gris Suave */
  --color-success: #2ECC71;
  --color-danger: #E74C3C;

  /* Tipografías */
  --font-title: 'Italiana', serif;
  --font-body: 'Outfit', sans-serif;

  /* Espaciados y Bordes */
  --border-radius: 8px;
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  --shadow-hover: 0 10px 30px rgba(212, 175, 55, 0.15);
}

/* Reset de Estilos */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-body);
  background-color: transparent; /* Permite ver el fondo animado fijo */
  color: var(--color-dark);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header & Navbar */
.navbar {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-gray-light);
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
}

.navbar-brand {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo-img {
  height: 70px;
  width: auto;
  max-width: 280px;
  object-fit: contain;
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.navbar-brand:hover .logo-img {
  transform: scale(1.05);
  filter: drop-shadow(0 0 10px rgba(214, 175, 55, 0.5));
}

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

.nav-links a {
  text-decoration: none;
  color: var(--color-dark);
  font-weight: 400;
  transition: var(--transition);
  font-size: 0.95rem;
  letter-spacing: 1px;
}

.nav-links a:hover {
  color: var(--color-primary);
}

.nav-links .btn-outline {
  border: 1px solid var(--color-dark);
  padding: 0.5rem 1.2rem;
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.nav-links .btn-outline:hover {
  background-color: var(--color-dark);
  color: var(--color-white);
}

.nav-links .btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-dark);
  border: 1px solid rgba(212, 175, 55, 0.4);
  padding: 0.5rem 1.2rem;
  border-radius: var(--border-radius);
  font-weight: 500;
  transition: var(--transition);
}

.nav-links .btn-primary:hover {
  background: var(--color-dark);
  color: var(--color-white);
  border-color: var(--color-dark);
}

/* Main Container */
.container {
  flex: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  width: 100%;
}

@media (max-width: 576px) {
  .container {
    padding: 1.5rem 1rem;
  }
}

/* Banner Hero */
.hero {
  text-align: center;
  padding: 3.5rem 1rem;
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-light);
  border-radius: var(--border-radius);
  margin-bottom: 3rem;
  box-shadow: var(--shadow);
}

.hero-title {
  font-family: var(--font-title);
  font-size: 3rem;
  font-weight: 400;
  color: var(--color-dark);
  margin-bottom: 1rem;
  letter-spacing: 2px;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--color-gray);
  max-width: 600px;
  margin: 0 auto;
  font-weight: 300;
}

/* Secciones de Contenido */
.section-title {
  font-family: var(--font-title);
  font-size: 2.2rem;
  margin-bottom: 2rem;
  letter-spacing: 1px;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 50px;
  height: 2px;
  background-color: var(--color-primary);
}

/* Catálogo de Cursos (Grid) */
.cursos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 340px));
  gap: 2.5rem;
  justify-content: center;
}

/* Tarjeta de Curso */
.curso-card {
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  cursor: pointer; /* Hace toda la tarjeta clickeable */
}

.curso-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-primary-light);
}

.curso-img-wrapper {
  position: relative;
  padding-top: 56.25%; /* Relación de aspecto 16:9 */
  background-color: var(--color-gray-light);
}

.curso-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.curso-titulo {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 0.8rem;
  line-height: 1.2;
}

.curso-descripcion {
  font-size: 0.9rem;
  color: var(--color-gray);
  font-weight: 300;
  margin-bottom: 1.5rem;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.curso-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--color-gray-light);
  padding-top: 1rem;
}

.curso-precio {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-dark);
}

.btn-card {
  background-color: var(--color-dark);
  color: var(--color-white);
  padding: 0.6rem 1.2rem;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 1px;
  transition: var(--transition);
  border: 1px solid var(--color-dark);
}

.btn-card:hover {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-dark);
  border-color: rgba(212, 175, 55, 0.4);
}

/* Formularios de Autenticación (Login & Registro) */
.auth-wrapper {
  max-width: 450px;
  width: 100%;
  margin: 1.5rem auto;
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-light);
  border-radius: var(--border-radius);
  padding: 2rem 1.5rem;
  box-shadow: var(--shadow);
}

.auth-header {
  text-align: center;
  margin-bottom: 1.25rem;
}

.auth-logo {
  margin-bottom: 0.5rem;
  display: flex;
  justify-content: center;
  align-items: center;
}

.auth-logo img {
  max-height: 100px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
}

.auth-subtitle {
  font-size: 0.9rem;
  color: var(--color-gray);
  font-weight: 300;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--color-dark);
  letter-spacing: 0.5px;
}

.form-control {
  width: 100%;
  padding: 0.8rem 1rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  border: 1px solid var(--color-gray-light);
  border-radius: var(--border-radius);
  background-color: var(--color-light);
  color: var(--color-dark);
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  background-color: var(--color-white);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.btn-auth {
  width: 100%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-dark);
  border: 1px solid rgba(212, 175, 55, 0.4);
  padding: 0.9rem;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 1px;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  margin-top: 1rem;
}

.btn-auth:hover {
  background: var(--color-dark);
  color: var(--color-white);
  border-color: var(--color-dark);
}

.auth-footer {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.9rem;
  color: var(--color-gray);
}

.auth-footer a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
}

.auth-footer a:hover {
  text-decoration: underline;
}

/* Alertas y Feedback */
.alert {
  padding: 0.8rem 1rem;
  border-radius: var(--border-radius);
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  display: none; /* Se activa vía JS */
}

.alert-danger {
  background-color: #FCE4D6;
  color: var(--color-danger);
  border: 1px solid #F8C3AD;
}

.alert-success {
  background-color: #D4EFDF;
  color: var(--color-success);
  border: 1px solid #A9DFBF;
}

/* Footer */
footer {
  background-color: var(--color-dark);
  color: var(--color-white);
  padding: 2rem 1.5rem;
  text-align: center;
  margin-top: auto;
  font-size: 0.9rem;
  font-weight: 300;
  border-top: 1px solid var(--color-dark-light);
}

footer p {
  color: #999;
  letter-spacing: 1px;
}

footer a {
  color: var(--color-primary);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

/* Responsividad (Mobile First) */
@media (max-width: 768px) {
  .nav-links {
    display: none !important;
  }
  .hamburger-toggle {
    display: flex !important;
  }
}

@media (max-width: 600px) {
  .navbar {
    padding: 0.8rem 1rem;
  }

  .logo-img {
    height: 38px;
    max-width: 160px;
  }

  .hero {
    padding: 2rem 1rem;
  }

  .hero-title {
    font-size: 2.2rem;
  }
}

/* --- ESTILOS DE LA VISTA INDIVIDUAL DEL CURSO (LMS CORE) --- */

.curso-workspace {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 2rem;
  margin-top: 1rem;
}
.curso-workspace > * {
  min-width: 0;
}

/* Sidebar de Lecciones */
.lecciones-sidebar {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-light);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  max-height: calc(100vh - 120px);
  overflow-y: auto;
  position: sticky;
  top: 90px;
}

.sidebar-title {
  font-family: var(--font-title);
  font-size: 1.6rem;
  margin-bottom: 1.2rem;
  border-bottom: 1px solid var(--color-gray-light);
  padding-bottom: 0.8rem;
  color: var(--color-dark);
}

.lecciones-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  list-style: none;
}

.leccion-item {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.8rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  background-color: var(--color-light);
}

.leccion-item:hover {
  background-color: var(--color-primary-light);
  color: var(--color-dark);
  border-color: rgba(212, 175, 55, 0.2);
}

.leccion-item.active {
  background-color: var(--color-dark);
  color: var(--color-white);
  border-color: var(--color-dark);
}

.leccion-num {
  font-size: 0.8rem;
  background-color: rgba(0, 0, 0, 0.05);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-weight: 600;
}

.leccion-item.active .leccion-num {
  background-color: var(--color-primary);
  color: var(--color-dark);
}

.leccion-titulo {
  font-size: 0.9rem;
  font-weight: 400;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Área de Video Principal */
.video-workspace {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Contenedor del Video con Relación de Aspecto 16:9 */
.video-container {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 Aspect Ratio */
  background-color: var(--color-dark);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0,0,0,0.15);
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  z-index: 1;
}

/* ESCUDO CSS PROTECTOR - Bloquea la interacción directa del mouse */
.video-shield {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: transparent;
  z-index: 5; /* Por encima del iframe pero por debajo de los controles externos si se superponen */
  cursor: default;
}

/* Controles de Video Personalizados */
.custom-controls {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-light);
  border-radius: var(--border-radius);
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  box-shadow: var(--shadow);
}

.btn-control {
  background: none;
  border: 1px solid var(--color-dark);
  cursor: pointer;
  padding: 0.6rem 1.2rem;
  border-radius: 20px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
  letter-spacing: 0.5px;
}

.btn-control:hover {
  background-color: var(--color-dark);
  color: var(--color-white);
}

.video-status {
  font-size: 0.85rem;
  color: var(--color-gray);
  font-weight: 300;
  margin-left: auto;
}

@media (max-width: 600px) {
  .custom-controls {
    flex-wrap: wrap;
    gap: 0.8rem;
    padding: 0.8rem;
    justify-content: space-between;
  }
  
  .video-seek-bar {
    width: 100%;
    order: -1;
    margin: 0 0 0.5rem 0;
    flex: none;
  }
  
  .btn-control {
    padding: 0.5rem 0.8rem;
    font-size: 0.75rem;
  }
  
  .video-status {
    width: 100%;
    text-align: center;
    margin: 0.25rem 0 0 0;
    font-size: 0.75rem;
  }
}

/* Banner de Acceso Denegado (Invitación al Pago) */
.no-access-banner {
  background-color: var(--color-white);
  border: 2px dashed var(--color-primary);
  border-radius: var(--border-radius);
  padding: 3rem 2rem;
  text-align: center;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  min-height: 350px;
}

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

.banner-title {
  font-family: var(--font-title);
  font-size: 2.2rem;
  font-weight: 400;
  color: var(--color-dark);
}

.banner-desc {
  font-size: 1rem;
  color: var(--color-gray);
  max-width: 500px;
  line-height: 1.6;
}

.btn-buy {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-dark);
  border: 1px solid rgba(212, 175, 55, 0.4);
  padding: 0.8rem 2rem;
  font-size: 1rem;
  font-weight: 500;
  border-radius: var(--border-radius);
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
  letter-spacing: 1px;
}

.btn-buy:hover {
  background: var(--color-dark);
  color: var(--color-white);
  border-color: var(--color-dark);
}

/* Ajustes Responsivos para la Vista de Clases */
@media (max-width: 900px) {
  .curso-workspace {
    display: flex;
    flex-direction: column-reverse;
    gap: 1.5rem;
  }
  
  .lecciones-sidebar {
    position: static;
    max-height: 350px;
    width: 100%;
  }
}

/* --- MEJORAS FASE 6 (PROGRESO, ANUNCIOS, PASOS) --- */

/* Barra de Anuncios Promocional Superior */
.promo-banner {
  background: linear-gradient(135deg, var(--color-dark-light), var(--color-dark));
  color: var(--color-primary-light);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  border-bottom: 2px solid var(--color-primary);
  display: none; /* Se activa dinámicamente si hay anuncio */
  z-index: 101;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  width: 100%;
  height: 38px;
}
.promo-banner-content {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%) translate3d(-100%, 0, 0);
  white-space: nowrap;
  will-change: transform;
  display: flex;
  align-items: center;
  gap: 8px;
  animation: marquee-left-to-right 16s linear infinite;
}
.promo-banner i {
  color: var(--color-primary);
}

/* Barra de Progreso en Sidebar */
.progreso-container {
  padding: 1.2rem 1.5rem;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-gray-light);
}
.progreso-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 0.5rem;
  letter-spacing: 0.5px;
}
.progreso-header span {
  color: var(--color-primary-dark);
}
.progress-bar-bg {
  width: 100%;
  height: 6px;
  background-color: var(--color-gray-light);
  border-radius: 3px;
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-dark));
  border-radius: 3px;
  transition: width 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Pasos / Secciones en la Sidebar */
.paso-section {
  border-bottom: 1px solid var(--color-gray-light);
}
.paso-header {
  background-color: #FAF6E8; /* Fondo suave champán */
  padding: 0.8rem 1.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-dark);
  border-left: 4px solid var(--color-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}
.paso-header i {
  color: var(--color-primary-dark);
}

/* Checkbox interactivo de Lecciones */
.leccion-checkbox-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  margin-right: 12px;
  cursor: pointer;
}
.leccion-checkbox-circle {
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-gray);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.leccion-checkbox-circle i {
  font-size: 10px;
  color: var(--color-white);
  display: none;
}
.leccion-checkbox-wrapper.completed .leccion-checkbox-circle {
  border-color: var(--color-primary);
  background-color: var(--color-primary);
}
.leccion-checkbox-wrapper.completed .leccion-checkbox-circle i {
  display: block;
}

/* Estilos para Cupones en Checkout */
.coupon-section {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px dashed var(--color-gray-light);
}
.coupon-input-group {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
}
.coupon-input {
  flex: 1;
  padding: 0.6rem;
  border: 1px solid var(--color-gray-light);
  border-radius: var(--border-radius);
  font-family: var(--font-body);
  font-size: 0.9rem;
  text-transform: uppercase;
}
.coupon-input:focus {
  outline: none;
  border-color: var(--color-primary);
}
.btn-coupon {
  padding: 0.6rem 1.2rem;
  background-color: var(--color-dark);
  color: var(--color-white);
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-size: 0.9rem;
  transition: var(--transition);
}
.btn-coupon:hover {
  background-color: var(--color-primary);
  color: var(--color-dark);
}
.coupon-message {
  font-size: 0.85rem;
  margin-top: 0.4rem;
  display: none;
}
.coupon-message.success {
  color: var(--color-success);
  display: block;
}
.coupon-message.error {
  color: var(--color-danger);
  display: block;
}

/* ==========================================================================
   MEJORAS AESTHETIC & TRANSICIONES PROFESIONALES (FASE 6 CONTINUACIÓN)
   ========================================================================== */

/* Animación de entrada suave (Fade In Up) */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fadeInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Mejoras de Transición para Elementos Interactivos */
.btn-outline, 
.btn-primary, 
.btn-auth, 
.btn-buy, 
.btn-card, 
.btn-control, 
.btn-coupon,
.sidebar-btn,
.btn-action {
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

/* Efecto Hover Levantamiento y Sombra en Botones */
.btn-outline:hover, 
.btn-primary:hover, 
.btn-card:hover, 
.sidebar-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(212, 175, 55, 0.4);
}

.btn-auth:hover,
.btn-buy:hover,
.btn-control:hover,
.btn-coupon:hover,
.btn-action:hover {
  box-shadow: 0 8px 20px rgba(212, 175, 55, 0.4);
}

.btn-outline:active, 
.btn-primary:active, 
.btn-auth:active, 
.btn-buy:active, 
.btn-card:active, 
.btn-control:active, 
.btn-coupon:active {
  transform: translateY(0);
}

/* Transición Especial para Tarjetas del Catálogo */
.curso-card {
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), 
              box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1), 
              border-color 0.4s ease !important;
}

.curso-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.08), var(--shadow-hover);
  border-color: rgba(212, 175, 55, 0.4);
}

.curso-img {
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.curso-card:hover .curso-img {
  transform: scale(1.05);
}

/* Animación del Banner Promocional que se repite exactamente cada 4 segundos */
@keyframes bannerShimmer {
  0%, 100% {
    background: linear-gradient(135deg, var(--color-dark-light), var(--color-dark));
    border-bottom-color: var(--color-primary);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
  }
  50% {
    background: linear-gradient(135deg, #2D2D2D, #3E3825);
    border-bottom-color: #FFFFFF;
    text-shadow: 0 0 10px rgba(212, 175, 55, 0.8);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.25);
  }
}

.promo-banner {
  animation: bannerShimmer 4s infinite ease-in-out;
  background-size: 200% auto;
  transition: all 0.5s ease;
}

/* Transición para los Ítems de Lecciones */
.leccion-item {
  transition: background-color 0.3s ease, 
              transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), 
              border-color 0.3s ease !important;
}

.leccion-item:hover {
  transform: translateX(5px);
  background-color: #FAF6E8;
}

.leccion-item.active {
  transform: translateX(3px);
}

/* --- DISEÑO DE LA BARRA DE DESPLAZAMIENTO DEL VIDEO (SEEK BAR) --- */
.video-seek-bar {
  flex: 1;
  height: 6px;
  background-color: var(--color-gray-light);
  border-radius: 3px;
  outline: none;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  transition: background-color 0.2s ease;
  margin: 0 0.5rem;
}

.video-seek-bar:hover {
  background-color: #D5D5D5;
}

.video-seek-bar::-webkit-slider-runnable-track {
  width: 100%;
  height: 6px;
  cursor: pointer;
  background: transparent;
  border-radius: 3px;
}

.video-seek-bar::-webkit-slider-thumb {
  height: 14px;
  width: 14px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  -webkit-appearance: none;
  margin-top: -4px;
  transition: transform 0.1s ease, background-color 0.1s ease;
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.video-seek-bar::-webkit-slider-thumb:hover {
  transform: scale(1.35);
  background: var(--color-primary-dark);
}

.video-seek-bar::-moz-range-thumb {
  height: 14px;
  width: 14px;
  border: none;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  transition: transform 0.1s ease, background-color 0.1s ease;
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.video-seek-bar::-moz-range-thumb:hover {
  transform: scale(1.35);
  background: var(--color-primary-dark);
}

/* Transición del botón del curso al pasar sobre la tarjeta completa */
.curso-card:hover .btn-card {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-dark);
  border-color: rgba(212, 175, 55, 0.4);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(212, 175, 55, 0.4);
}

/* Fondo Dinámico Animado (Glowing Blobs) */
.animated-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -10;
  overflow: hidden;
  background-color: var(--color-light); /* Color base */
  pointer-events: none; /* No interfiere con clics */
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.18;
  animation: float-blobs 25s infinite ease-in-out;
  mix-blend-mode: multiply;
}

.blob-1 {
  top: -10%;
  left: -5%;
  width: 45vw;
  height: 45vw;
  background: var(--color-primary-light);
  animation-duration: 22s;
}

.blob-2 {
  bottom: -15%;
  right: -10%;
  width: 55vw;
  height: 55vw;
  background: #E8D3A7;
  animation-delay: -6s;
  animation-duration: 28s;
}

.blob-3 {
  top: 35%;
  left: 30%;
  width: 35vw;
  height: 35vw;
  background: var(--color-primary);
  animation-delay: -12s;
  animation-duration: 18s;
}

@keyframes float-blobs {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(4vw, -6vh) scale(1.08);
  }
  66% {
    transform: translate(-3vw, 4vh) scale(0.92);
  }
}

/* Ajustes de Glassmorphism para Contenedores */
.hero, 
.auth-wrapper, 
.lecciones-sidebar, 
.video-workspace > div, 
.custom-controls,
.no-access-banner,
.admin-sidebar,
.admin-content {
  background-color: rgba(255, 255, 255, 0.85) !important;
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border: 1px solid rgba(255, 255, 255, 0.5) !important;
  transition: border-color 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              background-color 0.4s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

.hero:hover, 
.auth-wrapper:hover, 
.lecciones-sidebar:hover, 
.video-workspace > div:hover, 
.custom-controls:hover,
.no-access-banner:hover,
.admin-sidebar:hover,
.admin-content:hover {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04), var(--shadow-hover);
  border-color: rgba(212, 175, 55, 0.3) !important;
}

/* Animación Marquee de Izquierda a Derecha para el Banner Promocional */
@keyframes marquee-left-to-right {
  0% {
    transform: translateY(-50%) translate3d(-100%, 0, 0);
  }
  100% {
    transform: translateY(-50%) translate3d(100vw, 0, 0);
  }
}

/* Redes Sociales en Footer */
.footer-social-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1.2rem;
  margin-top: 0.5rem;
}

.social-icon {
  color: #999;
  font-size: 1.4rem;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1) !important;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  text-decoration: none;
}

.social-icon:hover {
  color: var(--color-primary) !important;
  background-color: rgba(212, 175, 55, 0.1);
  border-color: var(--color-primary) !important;
  transform: translateY(-4px) scale(1.1);
  box-shadow: 0 5px 15px rgba(212, 175, 55, 0.25);
}

.social-icon i {
  line-height: 1;
}

/* ==========================================
   FASE 8: Animación de Título, WhatsApp Flotante y Menú de Hamburguesa
   ========================================== */

/* 1. Animación del Título (.navbar-brand y .auth-logo) */
.navbar-brand, .auth-logo {
  display: inline-block !important;
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), 
              text-shadow 0.4s ease, 
              color 0.4s ease !important;
}

.navbar-brand:hover, .auth-logo:hover {
  transform: scale(1.08) translateY(-1px) !important;
  text-shadow: 0 0 12px rgba(214, 175, 55, 0.7), 0 0 24px rgba(214, 175, 55, 0.4) !important;
  color: var(--color-primary-dark) !important;
}

.navbar-brand:hover span, .auth-logo:hover span {
  text-shadow: 0 0 15px rgba(214, 175, 55, 0.9), 0 0 30px rgba(214, 175, 55, 0.6) !important;
}

/* 2. Widget de WhatsApp Flotante */
.whatsapp-widget-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  font-family: var(--font-body);
}

/* Burbuja "Contáctanos" */
.whatsapp-bubble {
  background-color: var(--color-white);
  color: var(--color-dark);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(214, 175, 55, 0.3);
  pointer-events: none;
  animation: pulse-badge 2s infinite;
  white-space: nowrap;
  transition: opacity 0.3s ease;
  opacity: 0.95;
}

@keyframes pulse-badge {
  0% {
    transform: translateY(0);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  }
  50% {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(214, 175, 55, 0.2);
  }
  100% {
    transform: translateY(0);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  }
}

/* Botón flotante */
.whatsapp-btn {
  background: linear-gradient(135deg, #25D366, #128C7E);
  color: var(--color-white);
  border: none;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  font-size: 1.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(18, 140, 126, 0.4);
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s ease;
}

.whatsapp-btn:hover {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 6px 25px rgba(18, 140, 126, 0.6), 0 0 10px rgba(214, 175, 55, 0.3);
}

.whatsapp-btn:active {
  transform: scale(0.95);
}

/* Popup de Soporte */
.whatsapp-popup {
  position: absolute;
  bottom: 80px;
  right: 0;
  width: 350px;
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 16px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15), var(--shadow-hover);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: translateY(20px) scale(0.95);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
  max-width: calc(100vw - 2rem);
}

.whatsapp-popup.active {
  transform: translateY(0) scale(1);
  opacity: 1;
  pointer-events: all;
}

/* Cabecera del popup */
.whatsapp-popup-header {
  background: linear-gradient(135deg, var(--color-dark), var(--color-dark-light));
  color: var(--color-white);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  position: relative;
  border-bottom: 2px solid var(--color-primary);
}

.whatsapp-avatar {
  font-size: 2.2rem;
  color: var(--color-primary);
  display: flex;
  align-items: center;
}

.whatsapp-header-text h4 {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  margin: 0;
  letter-spacing: 0.5px;
}

.whatsapp-header-text span {
  font-size: 0.75rem;
  color: #2ECC71;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-weight: 500;
}

.whatsapp-popup-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
  transition: var(--transition);
}

.whatsapp-popup-close:hover {
  color: var(--color-primary);
  transform: scale(1.1);
}

/* Cuerpo del popup */
.whatsapp-popup-body {
  padding: 1.25rem;
}

.whatsapp-popup-body p {
  font-size: 0.85rem;
  color: var(--color-gray);
  margin-bottom: 1rem;
  line-height: 1.4;
}

.form-group-whatsapp {
  margin-bottom: 0.75rem;
  text-align: left;
}

.form-group-whatsapp label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-dark-light);
  margin-bottom: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group-whatsapp input,
.form-group-whatsapp select,
.form-group-whatsapp textarea {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-gray-light);
  border-radius: var(--border-radius);
  font-family: var(--font-body);
  font-size: 0.85rem;
  background-color: rgba(255, 255, 255, 0.8);
  color: var(--color-dark);
  transition: var(--transition);
}

.form-group-whatsapp input:focus,
.form-group-whatsapp select:focus,
.form-group-whatsapp textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(214, 175, 55, 0.15);
  background-color: var(--color-white);
}

.wa-submit-btn {
  width: 100%;
  background: linear-gradient(135deg, #25D366, #128C7E);
  color: var(--color-white);
  border: none;
  padding: 0.75rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  box-shadow: 0 4px 15px rgba(18, 140, 126, 0.2);
  transition: var(--transition);
  margin-top: 1rem;
}

.wa-submit-btn:hover {
  background: linear-gradient(135deg, #128C7E, #0e7064);
  box-shadow: 0 6px 20px rgba(18, 140, 126, 0.4);
  transform: translateY(-1px);
}

/* 3. Menú de Hamburguesa y Panel Lateral (Drawer) */
.hamburger-toggle {
  background: none;
  border: none;
  font-size: 1.8rem;
  color: var(--color-dark);
  cursor: pointer;
  padding: 0.5rem;
  display: none; /* Hidden on desktop by default */
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  border-radius: 50%;
  width: 45px;
  height: 45px;
  margin-left: 1rem;
  z-index: 101;
}

.hamburger-toggle:hover {
  background-color: rgba(214, 175, 55, 0.1);
  color: var(--color-primary);
  transform: scale(1.05);
}

/* Overlay / Fondo oscuro atenuado */
.hamburger-drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 998;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.hamburger-drawer-overlay.active {
  opacity: 1;
  pointer-events: all;
}

/* Drawer / Cajón lateral deslizable */
.hamburger-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 380px;
  max-width: 90vw;
  height: 100vh;
  background-color: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  border-left: 1px solid rgba(214, 175, 55, 0.2);
  z-index: 999;
  box-shadow: -10px 0 40px rgba(0, 0, 0, 0.1);
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

.hamburger-drawer.active {
  transform: translateX(0);
}

/* Encabezado del cajón */
.drawer-header {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--color-gray-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.drawer-logo {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-dark);
  letter-spacing: 1.5px;
}

.drawer-logo span {
  color: var(--color-primary);
}

.drawer-close {
  background: none;
  border: none;
  font-size: 1.8rem;
  color: var(--color-dark);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
}

.drawer-close:hover {
  background-color: rgba(0, 0, 0, 0.05);
  color: var(--color-primary);
  transform: rotate(90deg);
}

/* Cuerpo del cajón */
.drawer-body {
  padding: 2rem;
  overflow-y: auto;
  flex: 1;
}

.drawer-menu {
  list-style: none;
  padding: 0;
  margin: 0;
}

.drawer-menu > li {
  margin-bottom: 1.5rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.03);
  padding-bottom: 1rem;
}

.drawer-menu > li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

/* Enlaces principales del menú */
.drawer-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-decoration: none;
  color: var(--color-dark);
  font-family: var(--font-body);
  font-size: 1.15rem;
  font-weight: 500;
  transition: var(--transition);
  letter-spacing: 0.5px;
  cursor: pointer;
}

.drawer-link i:first-child {
  margin-right: 0.75rem;
  color: var(--color-primary);
  font-size: 1.2rem;
}

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

/* Icono de flecha para acordeones */
.drawer-arrow {
  font-size: 0.9rem;
  transition: transform 0.3s ease;
  color: var(--color-gray);
}

.drawer-link.active .drawer-arrow {
  transform: rotate(180deg);
  color: var(--color-primary);
}

/* Contenido de los acordeones colapsables */
.drawer-subcontent {
  margin-top: 1rem;
  padding-left: 1.95rem;
  font-size: 0.9rem;
  color: var(--color-dark-light);
  display: none; /* Controlado dinámicamente */
  animation: slideDown 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Estilo para tarjetas promocionales en el menú */
.promo-card {
  background: linear-gradient(135deg, rgba(214, 175, 55, 0.08), rgba(255, 255, 255, 0.8));
  border: 1px solid rgba(214, 175, 55, 0.2);
  border-radius: var(--border-radius);
  padding: 0.75rem 1rem;
  margin-bottom: 0.75rem;
}

.promo-card:last-child {
  margin-bottom: 0;
}

.promo-card .badge {
  background-color: var(--color-primary);
  color: var(--color-dark);
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 0.25rem;
}

.promo-card p {
  margin: 0;
  line-height: 1.3;
}

/* Estilos de Novedades */
.novedades-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.novedades-list li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.novedades-list li::before {
  content: "✦";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-size: 0.8rem;
}

/* Estilos de Conócenos */
.conocenos-details h5 {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-primary-dark);
  margin-top: 0.75rem;
  margin-bottom: 0.25rem;
  letter-spacing: 0.5px;
}

.conocenos-details h5:first-child {
  margin-top: 0;
}

.conocenos-details p {
  margin: 0 0 0.5rem 0;
  line-height: 1.4;
  color: var(--color-dark-light);
}

.conocenos-details p i {
  color: var(--color-primary);
  margin-right: 0.4rem;
  width: 14px;
  text-align: center;
}

/* Responsividad adicional del logotipo */
@media (max-width: 992px) {
  .logo-img {
    height: 60px;
    max-width: 230px;
  }
}
@media (max-width: 480px) {
  .logo-img {
    height: 50px;
    max-width: 180px;
  }
}

/* --- SPIN ANIMATIONS FOR UX SPINNERS --- */
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
.bi-spin {
  display: inline-block;
  animation: spin 1.2s linear infinite;
}

/* ==========================================================================
   FASE 6: Barra de Opciones de Alumnos y Nuevas Secciones (Nosotros, Blog, Contacto)
   ========================================================================== */

/* Ajuste de scroll suave global */
html {
  scroll-behavior: smooth;
}

/* Margen de desplazamiento para evitar solapamiento con navbar sticky */
.about-section,
.blog-section,
.contact-section,
#cursos-container {
  scroll-margin-top: 100px;
}

/* 1. Menú Central del Navbar */
.navbar-menu {
  display: flex;
  align-items: center;
  gap: 2.2rem;
}

.nav-menu-link {
  text-decoration: none;
  color: var(--color-dark);
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  transition: var(--transition);
  position: relative;
  padding: 0.5rem 0;
  font-family: var(--font-body);
}

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

.nav-menu-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.nav-menu-link:hover::after,
.nav-menu-link.active::after {
  width: 100%;
}

/* Ocultar menú en móviles */
@media (max-width: 768px) {
  .navbar-menu {
    display: none !important;
  }
}

/* 2. Sección Nosotros */
.about-section {
  margin-top: 5rem;
  margin-bottom: 5rem;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 1.3fr;
  gap: 4rem;
  align-items: center;
}

.about-image-container {
  position: relative;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.5);
  aspect-ratio: 4 / 3;
}

.about-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.about-image-container:hover .about-img {
  transform: scale(1.05);
}

.about-overlay-border {
  position: absolute;
  top: 15px;
  left: 15px;
  right: 15px;
  bottom: 15px;
  border: 1px solid var(--color-primary);
  border-radius: calc(var(--border-radius) - 4px);
  pointer-events: none;
  z-index: 2;
}

.about-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.about-badge {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  text-transform: uppercase;
  letter-spacing: 2px;
  display: inline-block;
}

.about-title {
  font-family: var(--font-title);
  font-size: 2.8rem;
  line-height: 1.2;
  color: var(--color-dark);
  margin-bottom: 0.5rem;
}

.about-text {
  color: var(--color-gray);
  font-size: 1.05rem;
  line-height: 1.7;
  font-weight: 300;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1rem;
}

.about-feature-item {
  display: flex;
  gap: 0.8rem;
  align-items: flex-start;
}

.about-feature-icon {
  color: var(--color-primary);
  font-size: 1.25rem;
  margin-top: 2px;
}

.about-feature-text h4 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 0.25rem;
}

.about-feature-text p {
  color: var(--color-gray);
  font-size: 0.85rem;
  line-height: 1.4;
  font-weight: 300;
}

@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .about-title {
    font-size: 2.3rem;
  }
}

/* 3. Sección Blog */
.blog-section {
  margin-top: 5rem;
  margin-bottom: 5rem;
  text-align: center;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem;
  margin-top: 3rem;
}

.blog-card {
  text-align: left;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.blog-img-wrapper {
  position: relative;
  width: 100%;
  height: 220px;
  overflow: hidden;
  border-radius: var(--border-radius);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: var(--shadow);
}

.blog-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.blog-card:hover .blog-img {
  transform: scale(1.06);
}

.blog-info {
  padding: 1.5rem 0.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.8rem;
  margin-bottom: 0.8rem;
}

.blog-tag {
  background-color: rgba(214, 175, 55, 0.1);
  color: var(--color-primary-dark);
  font-weight: 600;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  letter-spacing: 0.5px;
}

.blog-date {
  color: var(--color-gray);
  font-weight: 300;
}

.blog-post-title {
  font-family: var(--font-title);
  font-size: 1.6rem;
  line-height: 1.3;
  color: var(--color-dark);
  margin-bottom: 0.8rem;
  font-weight: 400;
  transition: var(--transition);
}

.blog-card:hover .blog-post-title {
  color: var(--color-primary);
}

.blog-excerpt {
  color: var(--color-gray);
  font-size: 0.95rem;
  line-height: 1.5;
  margin-bottom: 1.2rem;
  font-weight: 300;
  flex: 1;
}

.blog-read-more {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-dark);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
  transition: var(--transition);
}

.blog-read-more i {
  transition: transform 0.3s ease;
  color: var(--color-primary);
}

.blog-card:hover .blog-read-more {
  color: var(--color-primary);
}

.blog-card:hover .blog-read-more i {
  transform: translateX(4px);
}

/* 4. Sección Contacto */
.contact-section {
  margin-top: 5rem;
  margin-bottom: 6rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 3.5rem;
  margin-top: 3rem;
}

.contact-form-container {
  padding: 2.5rem;
  border-radius: var(--border-radius);
}

.contact-form-container h3 {
  font-family: var(--font-title);
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  font-weight: 400;
}

.form-row-contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.form-group-contact {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.form-group-contact label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-dark);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group-contact input,
.form-group-contact textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-gray-light);
  border-radius: var(--border-radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background-color: rgba(255, 255, 255, 0.7);
  transition: var(--transition);
  color: var(--color-dark);
}

.form-group-contact input:focus,
.form-group-contact textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(214, 175, 55, 0.15);
  background-color: var(--color-white);
}

.btn-contact {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-dark);
  border: 1px solid rgba(212, 175, 55, 0.4);
  padding: 0.9rem 2rem;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: var(--border-radius);
  cursor: pointer;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-contact:hover {
  background: var(--color-dark);
  color: var(--color-white);
  border-color: var(--color-dark);
  transform: translateY(-2px);
}

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

.contact-info-card {
  padding: 2.5rem;
  border-radius: var(--border-radius);
  display: flex;
  flex-direction: column;
  gap: 2rem;
  height: 100%;
}

.contact-info-card h3 {
  font-family: var(--font-title);
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
  font-weight: 400;
}

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

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

.contact-info-icon {
  color: var(--color-primary-dark);
  font-size: 1.4rem;
  background-color: rgba(214, 175, 55, 0.12);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid rgba(214, 175, 55, 0.2);
}

.contact-info-text h4 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-gray);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.25rem;
}

.contact-info-text p {
  color: var(--color-dark);
  font-size: 0.95rem;
  line-height: 1.5;
  margin: 0;
}

.contact-whatsapp-btn {
  background-color: #25D366;
  color: var(--color-white);
  border: none;
  padding: 0.8rem 1.5rem;
  border-radius: var(--border-radius);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: var(--transition);
  text-decoration: none;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.2);
  margin-top: 1rem;
  letter-spacing: 0.5px;
}

.contact-whatsapp-btn:hover {
  background-color: #20ba5a;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

@media (max-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 600px) {
  .form-row-contact {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .contact-form-container,
  .contact-info-card {
    padding: 1.5rem;
  }
}

/* 5. Iconos de Navegación y Barra de Búsqueda */
.nav-icons-group {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  margin-right: 0.5rem;
}

.nav-icon-btn {
  background: none;
  border: none;
  font-size: 1.3rem;
  color: var(--color-dark);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

.nav-icon-btn:hover {
  background-color: rgba(214, 175, 55, 0.1);
  color: var(--color-primary);
  transform: scale(1.08);
}

/* Contenedor de Barra de Búsqueda Desplegable */
.search-bar-container {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-primary-light);
  padding: 1rem 2rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  display: none; /* Controlado por JS */
  z-index: 99;
  animation: slideDownSearch 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

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

.search-bar-wrapper {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  position: relative;
}

.search-bar-wrapper > i {
  position: absolute;
  left: 1.2rem;
  color: var(--color-primary-dark);
  font-size: 1.2rem;
}

.search-input {
  width: 100%;
  padding: 0.8rem 1.5rem 0.8rem 3.2rem;
  border: 1px solid var(--color-gray-light);
  border-radius: 30px;
  font-family: var(--font-body);
  font-size: 1rem;
  background-color: var(--color-white);
  color: var(--color-dark);
  transition: var(--transition);
}

.search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 12px rgba(214, 175, 55, 0.2);
}

.search-close-btn {
  background: none;
  border: none;
  font-size: 1.3rem;
  color: var(--color-gray);
  cursor: pointer;
  margin-left: 1rem;
  transition: var(--transition);
  flex-shrink: 0;
}

.search-close-btn:hover {
  color: var(--color-danger);
}

/* 6. Modal del Perfil del Usuario */
.profile-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1100;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.profile-modal.active {
  opacity: 1;
  pointer-events: all;
}

.profile-modal-content {
  background-color: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(214, 175, 55, 0.35);
  border-radius: 16px;
  width: 480px;
  max-width: 90vw;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2), var(--shadow-hover);
  padding: 2.2rem;
  position: relative;
  transform: scale(0.9) translateY(20px);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.profile-modal.active .profile-modal-content {
  transform: scale(1) translateY(0);
}

.profile-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--color-gray-light);
  padding-bottom: 1rem;
}

.profile-modal-title {
  font-family: var(--font-title);
  font-size: 1.8rem;
  color: var(--color-dark);
  font-weight: 500;
  letter-spacing: 1px;
}

.profile-close-btn {
  background: none;
  border: none;
  font-size: 1.6rem;
  color: var(--color-gray);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
}

.profile-close-btn:hover {
  background-color: rgba(0, 0, 0, 0.05);
  color: var(--color-danger);
  transform: rotate(90deg);
}

/* Tabs de Navegación del Perfil */
.profile-tabs {
  display: flex;
  border-bottom: 2px solid var(--color-gray-light);
  margin-bottom: 1rem;
  gap: 1rem;
}

.profile-tab-btn {
  background: none;
  border: none;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-gray);
  cursor: pointer;
  padding: 0.6rem 0;
  position: relative;
  transition: var(--transition);
}

.profile-tab-btn:hover {
  color: var(--color-primary-dark);
}

.profile-tab-btn.active {
  color: var(--color-primary);
}

.profile-tab-btn::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width 0.3s ease;
}

.profile-tab-btn.active::after {
  width: 100%;
}

/* Contenido de Tabs */
.profile-tab-pane {
  display: none; /* Controlado por clase active */
}

.profile-tab-pane.active {
  display: block;
  animation: fadeInPane 0.4s ease forwards;
}

@keyframes fadeInPane {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}

.profile-avatar-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.profile-avatar-circle {
  width: 75px;
  height: 75px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-dark);
  font-size: 2.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.2);
  font-weight: 600;
  text-transform: uppercase;
}

.profile-role-badge {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-primary-dark);
  background-color: rgba(214, 175, 55, 0.1);
  padding: 0.25rem 0.6rem;
  border-radius: 20px;
  letter-spacing: 0.5px;
}

.profile-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.profile-field-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.profile-field-group label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-dark-light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.profile-field-group input {
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--color-gray-light);
  border-radius: var(--border-radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background-color: var(--color-white);
  color: var(--color-dark);
  transition: var(--transition);
}

.profile-field-group input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 8px rgba(214, 175, 55, 0.15);
}

.profile-field-group input:disabled {
  background-color: rgba(0, 0, 0, 0.03);
  color: var(--color-gray);
  border-color: var(--color-gray-light);
  cursor: not-allowed;
}

.profile-actions-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1.5rem;
  border-top: 1px solid var(--color-gray-light);
  padding-top: 1rem;
}

.btn-profile-save {
  width: 100%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-dark);
  border: 1px solid rgba(212, 175, 55, 0.4);
  padding: 0.75rem;
  font-weight: 500;
  font-size: 0.95rem;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-profile-save:hover {
  background: var(--color-dark);
  color: var(--color-white);
  border-color: var(--color-dark);
}

.btn-profile-save:active {
  transform: scale(0.98);
}

.btn-profile-logout {
  background: none;
  border: 1px solid var(--color-danger);
  color: var(--color-danger);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  font-weight: 500;
}

.btn-profile-logout:hover {
  background-color: var(--color-danger);
  color: var(--color-white);
}

/* Modificaciones responsivas para la cabecera con iconos */
@media (max-width: 768px) {
  .nav-icons-group {
    margin-right: 0;
  }
}