/* =========================
   TUTORÍAS JORDY RETANA - CSS COMPLETO CON DROPDOWN
   Versión: 5.0 - Sistema de dropdowns profesional
========================= */

:root {
  --max-width: 1200px;
  --nav-height: 70px;
  
  /* Sistema de colores profesional */
  --primary: #3B82F6;
  --primary-dark: #2563EB;
  --primary-light: #60A5FA;
  --secondary: #10B981;
  --secondary-dark: #059669;
  --accent: #8B5CF6;
  --accent-light: #A78BFA;
  
  /* Colores neutros */
  --dark: #111827;
  --light: #F9FAFB;
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;
  
  /* Colores de UI */
  --card-bg: #FFFFFF;
  --footer-bg: #111827;
  --nav-bg: rgba(255, 255, 255, 0.95);
  --text-primary: #111827;      /* Texto negro en modo claro */
  --text-secondary: #4B5563;    /* Texto gris en modo claro */
  --border-color: var(--gray-200);
  
  /* Variables dinámicas */
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 24px;
  
  /* Sombras sutiles */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  
  /* Transiciones */
  --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* =========================
   DARK MODE - COLORS PROFESIONALES CON LETRAS BLANCAS
========================= */
[data-mode="dark"] {
  --primary: #60A5FA;
  --primary-dark: #3B82F6;
  --primary-light: #93C5FD;
  --secondary: #34D399;
  --secondary-dark: #10B981;
  --accent: #A78BFA;
  --accent-light: #C4B5FD;
  
  /* Fondo oscuro */
  --dark: #F9FAFB;
  --light: #0F172A;
  --gray-50: #0F172A;
  --gray-100: #1E293B;
  --gray-200: #334155;
  --gray-300: #475569;
  --gray-400: #64748B;
  --gray-500: #94A3B8;
  --gray-600: #CBD5E1;
  --gray-700: #E2E8F0;
  --gray-800: #F1F5F9;
  --gray-900: #F8FAFC;
  
  /* Texto BLANCO en modo oscuro */
  --text-primary: #FFFFFF;       /* Texto blanco en modo oscuro */
  --text-secondary: #CBD5E1;     /* Texto gris claro en modo oscuro */
  
  /* Fondo de componentes */
  --card-bg: #1E293B;
  --footer-bg: #0F172A;
  --nav-bg: rgba(15, 23, 42, 0.95);
  --border-color: #334155;
  
  /* Sombras más pronunciadas */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.6), 0 2px 4px -1px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.6), 0 4px 6px -2px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 10px 10px -5px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
}

/* =========================
   RESET & BASE MEJORADO
========================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--light);
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding-top: var(--nav-height);
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 0% 20%, rgba(59, 130, 246, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 100% 30%, rgba(16, 185, 129, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 40% 80%, rgba(139, 92, 246, 0.03) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

[data-mode="dark"] body::before {
  background: 
    radial-gradient(circle at 0% 20%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 100% 30%, rgba(16, 185, 129, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 40% 80%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* =========================
   NAVIGATION MEJORADA CON DROPDOWNS
========================= */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: var(--transition);
  padding: 0;
}

.navbar.scrolled {
  box-shadow: var(--shadow);
  border-bottom-color: transparent;
  height: 65px;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  gap: 15px;
}

/* Logo compacto */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
  transition: var(--transition);
  flex-shrink: 0;
  text-decoration: none;
}

.logo:hover {
  transform: translateY(-1px);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: 1.1rem;
  box-shadow: var(--shadow-sm);
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-main {
  font-weight: 700;
  font-size: 1.1rem;
  display: flex;
  gap: 2px;
  color: var(--text-primary);
}

.logo-sub {
  font-size: 0.7rem;
  color: var(--text-secondary);
  font-weight: 500;
  margin-top: 2px;
}

/* Navegación principal */
.nav-main {
  display: flex;
  flex: 1;
  justify-content: center;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2px;
  background: rgba(59, 130, 246, 0.08);
  padding: 4px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* Enlaces de navegación */
.nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius);
  transition: var(--transition);
  font-weight: 500;
  font-size: 0.85rem;
  white-space: nowrap;
}

.nav-link:hover {
  background: var(--card-bg);
  color: var(--text-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.nav-link.active {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  box-shadow: var(--shadow-sm);
}

/* Dropdowns */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.85rem;
  cursor: pointer;
  border-radius: var(--radius);
  transition: var(--transition);
  white-space: nowrap;
}

.nav-dropdown-btn:hover {
  background: var(--card-bg);
  color: var(--text-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.dropdown-arrow {
  font-size: 0.7rem;
  margin-left: 2px;
  transition: transform 0.3s ease;
}

.nav-dropdown:hover .dropdown-arrow {
  transform: rotate(180deg);
}

/* Menús dropdown */
.dropdown-menu {
  position: absolute;
  top: calc(100% + 5px);
  left: 0;
  min-width: 220px;
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-color);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s ease;
  z-index: 1000;
}

.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* Dropdown con columnas (para lenguajes) */
.dropdown-menu.columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  min-width: 400px;
  gap: 20px;
  padding: 20px;
}

.dropdown-column h6 {
  margin: 0 0 12px 0;
  color: var(--text-secondary);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  color: var(--text-primary);
  text-decoration: none;
  border-radius: var(--radius);
  transition: var(--transition);
  margin-bottom: 4px;
}

.dropdown-item:hover {
  background: var(--gray-100);
  color: var(--primary);
}

[data-mode="dark"] .dropdown-item:hover {
  background: var(--gray-800);
  color: var(--primary-light);
}

.dropdown-item i {
  width: 20px;
  text-align: center;
  font-size: 1rem;
  color: var(--text-secondary);
}

.dropdown-item:hover i {
  color: var(--primary);
}

.dropdown-title {
  display: block;
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.dropdown-item small {
  display: block;
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* Badges de niveles */
.level-badge {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: white;
  flex-shrink: 0;
}

.level-badge.beginner {
  background: linear-gradient(135deg, #10B981, #059669);
}

.level-badge.basic {
  background: linear-gradient(135deg, #3B82F6, #2563EB);
}

.level-badge.intermediate {
  background: linear-gradient(135deg, #8B5CF6, #7C3AED);
}

.level-badge.advanced {
  background: linear-gradient(135deg, #EF4444, #DC2626);
}

/* Acciones del nav */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

/* Botón de tema */
.theme-toggle {
  background: var(--card-bg);
  border: 2px solid var(--border-color);
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-secondary);
  transition: var(--transition);
  font-size: 1.1rem;
}

.theme-toggle:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(59, 130, 246, 0.05);
  transform: rotate(15deg);
}

[data-mode="dark"] .theme-toggle:hover {
  background: rgba(59, 130, 246, 0.1);
}

/* Botón Agendar */
.nav-btn-agendar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.85rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  white-space: nowrap;
}

.nav-btn-agendar:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

/* Botón menú móvil */
.mobile-menu-btn {
  display: none;
  background: var(--card-bg);
  border: 2px solid var(--border-color);
  font-size: 1.3rem;
  color: var(--text-primary);
  cursor: pointer;
  padding: 8px;
  transition: var(--transition);
  border-radius: var(--radius);
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
}

.mobile-menu-btn:hover {
  background: var(--gray-100);
  border-color: var(--primary);
}

[data-mode="dark"] .mobile-menu-btn:hover {
  background: var(--gray-800);
}

/* =========================
   MENÚ MÓVIL
========================= */
.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
  z-index: 9998;
  display: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.mobile-menu-overlay.active {
  display: block;
  opacity: 1;
}

.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 320px;
  height: 100%;
  background: var(--card-bg);
  z-index: 9999;
  transition: right 0.3s ease;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-xl);
}

.mobile-menu.active {
  right: 0;
}

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
}

.mobile-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text-primary);
}

.mobile-menu-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-secondary);
  cursor: pointer;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  transition: var(--transition);
}

.mobile-menu-close:hover {
  background: var(--gray-100);
  color: var(--text-primary);
}

[data-mode="dark"] .mobile-menu-close:hover {
  background: var(--gray-800);
}

.mobile-menu-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}

.mobile-menu-item {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 15px;
  color: var(--text-primary);
  text-decoration: none;
  border-radius: var(--radius);
  transition: var(--transition);
  margin-bottom: 5px;
  font-weight: 500;
}

.mobile-menu-item:hover {
  background: var(--gray-100);
  color: var(--primary);
}

[data-mode="dark"] .mobile-menu-item:hover {
  background: var(--gray-800);
  color: var(--primary-light);
}

/* Acordeón móvil */
.mobile-menu-accordion {
  margin-bottom: 5px;
}

.mobile-menu-accordion-btn {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 15px;
  width: 100%;
  background: none;
  border: none;
  color: var(--text-primary);
  text-align: left;
  border-radius: var(--radius);
  transition: var(--transition);
  font-weight: 500;
  cursor: pointer;
}

.mobile-menu-accordion-btn:hover {
  background: var(--gray-100);
}

[data-mode="dark"] .mobile-menu-accordion-btn:hover {
  background: var(--gray-800);
}

.mobile-menu-accordion-btn i:last-child {
  margin-left: auto;
  transition: transform 0.3s ease;
}

.mobile-menu-accordion-btn.active i:last-child {
  transform: rotate(180deg);
}

.mobile-menu-accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding-left: 15px;
}

.mobile-menu-accordion-btn.active + .mobile-menu-accordion-content {
  max-height: 500px;
}

.mobile-submenu-item {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 12px 15px;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius);
  transition: var(--transition);
  font-size: 0.9rem;
}

.mobile-submenu-item:hover {
  color: var(--primary);
  background: var(--gray-100);
}

[data-mode="dark"] .mobile-submenu-item:hover {
  background: var(--gray-800);
  color: var(--primary-light);
}

.mobile-menu-cta {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* =========================
   HERO SECTION
========================= */
.hero-main {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 80px 0 60px;
  position: relative;
  overflow: hidden;
  background: var(--light);
}

.floating-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}

.floating-element {
  position: absolute;
  font-size: 2.5rem;
  opacity: 0.7;
  filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.1));
  animation: float 6s ease-in-out infinite;
  z-index: 1;
}

[data-mode="dark"] .floating-element {
  opacity: 0.8;
  filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.3));
}

.floating-element:nth-child(1) { top: 15%; left: 8%; animation-delay: 0s; color: #3776AB; }
.floating-element:nth-child(2) { top: 25%; right: 12%; animation-delay: 1s; color: #F7DF1E; }
.floating-element:nth-child(3) { bottom: 25%; left: 15%; animation-delay: 2s; color: #007396; }
.floating-element:nth-child(4) { bottom: 20%; right: 8%; animation-delay: 3s; color: #239120; }
.floating-element:nth-child(5) { top: 40%; left: 40%; animation-delay: 4s; color: #E34F26; }
.floating-element:nth-child(6) { top: 60%; right: 35%; animation-delay: 5s; color: #4479A1; }

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-badges {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.badge {
  background: var(--card-bg);
  color: var(--text-primary);
  padding: 10px 20px;
  border-radius: 50px;
  font-weight: 500;
  font-size: 0.875rem;
  border: 1px solid var(--border-color);
  transition: var(--transition);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
}

.badge:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  box-shadow: var(--shadow);
}

.badge i {
  margin-right: 6px;
  color: var(--primary);
}

.hero-title {
  margin-bottom: 1.5rem;
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  line-height: 1.1;
  color: var(--text-primary);
}

.hero-title .text-gradient {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}

[data-mode="dark"] .hero-title .text-gradient {
  background: linear-gradient(135deg, #93C5FD, #C4B5FD);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 3rem;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 4rem;
}

/* Botones generales */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: var(--shadow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
  color: white;
  box-shadow: var(--shadow);
}

.btn-secondary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-3px);
}

.btn-light {
  background: white;
  color: var(--primary);
  box-shadow: var(--shadow);
}

.btn-light:hover {
  background: var(--gray-100);
  transform: translateY(-3px);
}

.btn-outline-light {
  background: transparent;
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-outline-light:hover {
  background: white;
  color: var(--primary);
  transform: translateY(-3px);
  border-color: white;
}

.btn-whatsapp {
  background: linear-gradient(135deg, #25D366, #128C7E);
  color: white;
  box-shadow: var(--shadow);
}

.btn-whatsapp:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.1rem;
  border-radius: var(--radius-lg);
}

.btn-block {
  width: 100%;
}

/* Estadísticas del hero */
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.stat-item {
  text-align: center;
  padding: 0 20px;
  position: relative;
}

.stat-item::after {
  content: '';
  position: absolute;
  right: -20px;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 40px;
  background: var(--border-color);
}

.stat-item:last-child::after {
  display: none;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
  display: block;
  line-height: 1;
  margin-bottom: 8px;
  font-feature-settings: "tnum";
}

.stat-text {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  white-space: nowrap;
}

/* =========================
   QUICK NAV SECTION
========================= */
.quick-nav {
  padding: 100px 0;
  background: var(--gray-50);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 50px;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
}

.quick-nav-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.nav-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 40px 30px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.nav-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(to right, var(--primary), var(--secondary));
}

.nav-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.nav-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.8rem;
  margin: 0 auto 24px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.nav-card:hover .nav-icon {
  transform: scale(1.1) rotate(10deg);
}

.nav-card h3 {
  margin-bottom: 16px;
  font-size: 1.3rem;
  color: var(--text-primary);
}

.nav-card p {
  color: var(--text-secondary);
  margin-bottom: 0;
  font-size: 0.95rem;
  line-height: 1.6;
}

/* =========================
   CTA SECTION
========================= */
.cta-section {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
}

.cta-title {
  color: white;
  font-size: 2.8rem;
  margin-bottom: 1rem;
  position: relative;
}

.cta-subtitle {
  font-size: 1.125rem;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto 3rem;
  position: relative;
  line-height: 1.6;
}

/* =========================
   FOOTER
========================= */
.footer {
  background: var(--footer-bg);
  color: white;
  padding: 80px 0 40px;
  margin-top: 80px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 48px;
  margin-bottom: 48px;
}

.footer-section h3 {
  color: white;
  margin-bottom: 24px;
  font-size: 1.125rem;
}

.footer-section p {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition);
  display: inline-block;
  font-size: 0.9375rem;
}

.footer-links a:hover {
  color: white;
  transform: translateX(4px);
}

.footer-contact {
  color: rgba(255, 255, 255, 0.7);
}

.footer-contact p {
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9375rem;
}

.footer-contact i {
  width: 20px;
  color: var(--primary-light);
}

.footer-bottom {
  text-align: center;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
}

/* =========================
   BOTONES FLOTANTES
========================= */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 1000;
}

.whatsapp-button {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #25D366;
  color: white;
  padding: 16px 24px;
  border-radius: 50px;
  text-decoration: none;
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.3);
  transition: all 0.3s ease;
  animation: pulse 2s infinite;
  font-weight: 600;
}

.whatsapp-button:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(37, 211, 102, 0.4);
  color: white;
}

.back-to-top {
  position: fixed;
  bottom: 30px;
  left: 30px;
  width: 50px;
  height: 50px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 999;
  box-shadow: 0 5px 20px rgba(67, 97, 238, 0.3);
}

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

.back-to-top:hover {
  background: var(--primary-dark);
  transform: translateY(-5px);
}

/* =========================
   TOAST NOTIFICATIONS
========================= */
.toast-container {
  position: fixed;
  top: 100px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: var(--card-bg);
  color: var(--text-primary);
  padding: 16px 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--primary);
  display: flex;
  align-items: center;
  gap: 12px;
  transform: translateX(100%);
  opacity: 0;
  transition: all 0.3s ease;
  max-width: 350px;
  border: 1px solid var(--border-color);
}

.toast.show {
  transform: translateX(0);
  opacity: 1;
}

.toast-success {
  border-left-color: var(--secondary);
}

.toast-error {
  border-left-color: #ef4444;
}

.toast-info {
  border-left-color: var(--primary);
}

.toast i {
  font-size: 1.2rem;
  color: var(--text-secondary);
}

.toast-success i {
  color: var(--secondary);
}

.toast-error i {
  color: #ef4444;
}

.toast-info i {
  color: var(--primary);
}

.toast button.toast-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 1rem;
  padding: 0;
  margin-left: auto;
}

/* =========================
   MODALES
========================= */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 20px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.modal.active {
  display: flex;
  opacity: 1;
}

.modal-content {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-color);
  animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
  from {
    transform: translateY(-20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-primary);
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-secondary);
  transition: var(--transition);
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}

.modal-close:hover {
  background: var(--gray-100);
  color: var(--text-primary);
}

[data-mode="dark"] .modal-close:hover {
  background: var(--gray-800);
}

.modal-body {
  padding: 20px;
}

.modal-footer {
  padding: 15px 20px;
  border-top: 1px solid var(--border-color);
  background: var(--gray-50);
  border-bottom-left-radius: var(--radius-lg);
  border-bottom-right-radius: var(--radius-lg);
}

[data-mode="dark"] .modal-footer {
  background: var(--gray-900);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  background: var(--card-bg);
  color: var(--text-primary);
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

[data-mode="dark"] .form-group input:focus,
[data-mode="dark"] .form-group select:focus,
[data-mode="dark"] .form-group textarea:focus {
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

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

@keyframes float {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(5deg);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.3);
  }
  50% {
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(37, 211, 102, 0.5);
  }
}

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

.animate-float {
  animation: float 6s ease-in-out infinite;
}

.animate-pulse {
  animation: pulse 2s ease-in-out infinite;
}

/* =========================
   RESPONSIVE DESIGN
========================= */
@media (max-width: 1200px) {
  .nav-link span,
  .nav-dropdown-btn span {
    display: none;
  }
  
  .nav-link {
    padding: 10px;
  }
  
  .nav-dropdown-btn {
    padding: 10px;
  }
  
  .dropdown-menu.columns {
    grid-template-columns: repeat(2, 1fr);
    min-width: 300px;
  }
  
  .btn-text {
    display: none;
  }
  
  .nav-btn-agendar {
    padding: 10px;
    width: 40px;
    height: 40px;
    justify-content: center;
  }
  
  .nav-btn-agendar i {
    margin: 0;
  }
}

@media (max-width: 992px) {
  .nav-main {
    display: none;
  }
  
  .mobile-menu-btn {
    display: flex;
  }
}

@media (min-width: 993px) {
  .mobile-menu-btn {
    display: none;
  }
}

@media (max-width: 768px) {
  .navbar {
    height: 65px;
  }
  
  .navbar.scrolled {
    height: 60px;
  }
  
  .nav-container {
    padding: 0 16px;
  }
  
  .logo {
    font-size: 1rem;
  }
  
  .logo-icon {
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }
  
  .theme-toggle {
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }
  
  .mobile-menu-btn {
    width: 36px;
    height: 36px;
    font-size: 1.1rem;
  }
  
  .hero-main {
    padding: 120px 0 60px;
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-cta .btn {
    width: 100%;
    max-width: 300px;
  }
  
  .hero-stats {
    gap: 24px;
  }
  
  .stat-item {
    padding: 0 12px;
  }
  
  .stat-number {
    font-size: 1.875rem;
  }
  
  .quick-nav-grid {
    grid-template-columns: 1fr;
  }
  
  .cta-title {
    font-size: 2rem;
  }
  
  .whatsapp-float {
    bottom: 20px;
    right: 20px;
  }
  
  .whatsapp-button {
    padding: 15px;
    width: 60px;
    height: 60px;
    justify-content: center;
  }
  
  .whatsapp-button span {
    display: none;
  }
  
  .back-to-top {
    left: 20px;
    bottom: 90px;
    width: 45px;
    height: 45px;
  }
  
  .footer-content {
    gap: 32px;
  }
  
  .mobile-menu {
    width: 280px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }
  
  .hero-title {
    font-size: clamp(2rem, 5vw, 2.5rem);
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .badge {
    padding: 8px 16px;
    font-size: 0.8125rem;
  }
  
  .btn-lg {
    padding: 14px 28px;
    font-size: 1rem;
  }
  
  .floating-element {
    font-size: 2rem;
  }
  
  .mobile-menu {
    width: 100%;
    right: -100%;
  }
  
  .mobile-menu.active {
    right: 0;
  }
}

/* =========================
   FIXES DEFINITIVOS PARA MODO OSCURO
========================= */

/* Asegurar que TODOS los textos sean legibles en modo oscuro */
[data-mode="dark"] {
  /* Asegurar que los textos principales sean blancos */
  color: var(--text-primary);
}

[data-mode="dark"] h1,
[data-mode="dark"] h2,
[data-mode="dark"] h3,
[data-mode="dark"] h4,
[data-mode="dark"] h5,
[data-mode="dark"] h6 {
  color: var(--text-primary) !important;
}

[data-mode="dark"] p,
[data-mode="dark"] span,
[data-mode="dark"] small,
[data-mode="dark"] .hero-subtitle,
[data-mode="dark"] .section-subtitle,
[data-mode="dark"] .nav-card p,
[data-mode="dark"] .dropdown-item small,
[data-mode="dark"] .stat-text {
  color: var(--text-secondary) !important;
}

/* Fix para botones en modo oscuro */
[data-mode="dark"] .btn-outline {
  color: var(--primary-light);
  border-color: var(--primary-light);
}

[data-mode="dark"] .btn-outline:hover {
  background: var(--primary);
  color: white;
}

[data-mode="dark"] .btn-light {
  background: white;
  color: #0F172A;
}

[data-mode="dark"] .btn-light:hover {
  background: #F1F5F9;
}

/* Fix para los íconos de los badges */
[data-mode="dark"] .badge i {
  color: var(--primary-light);
}

/* Fix para las estadísticas */
[data-mode="dark"] .stat-number {
  color: var(--primary-light);
}

/* Asegurar contraste en elementos del dropdown */
[data-mode="dark"] .dropdown-item {
  color: var(--text-primary);
}

[data-mode="dark"] .dropdown-column h6 {
  color: var(--text-secondary);
}

/* Asegurar que el text-gradient sea visible en modo oscuro */
[data-mode="dark"] .text-gradient {
  background: linear-gradient(135deg, #93C5FD, #C4B5FD) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  background-clip: text !important;
}

/* =========================
   UTILITIES
========================= */
.text-center {
  text-align: center;
}

.text-primary {
  color: var(--primary) !important;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }
.mt-6 { margin-top: 4rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }
.mb-6 { margin-bottom: 4rem; }

.hidden {
  display: none !important;
}