/* ============================================
   VARIABLES CSS - Modo Claro y Oscuro
   ============================================ */

:root {
  /* Colores Primarios - Modo Claro */
  --color-primary: #1E3A8A;
  --color-primary-light: #3B82F6;
  --color-primary-dark: #1E40AF;
  --color-primary-bg: #DBEAFE;
  
  /* Colores Neutros - Modo Claro */
  --color-text-primary: #1F2937;
  --color-text-secondary: #6B7280;
  --color-bg-primary: #FFFFFF;
  --color-bg-secondary: #F9FAFB;
  --color-bg-highlight: #DBEAFE;
  --color-border: #E5E7EB;
  
  /* Colores de Acento */
  --color-success: #059669;
  --color-action: #EA580C;
  --color-error: #DC2626;
  --color-warning: #D97706;
  
  /* Espaciado */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;
  --spacing-xxxl: 6rem;
  
  /* Tipografía */
  --font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-size-base: 1rem;
  --line-height-base: 1.6;
  
  /* Sombras */
  --shadow-subtle: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-medium: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-large: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  
  /* Transiciones */
  --transition: all 0.2s ease;
}

@media (prefers-color-scheme: dark) {
  :root {
    /* Colores Primarios - Modo Oscuro */
    --color-primary: #60A5FA;
    --color-primary-light: #3B82F6;
    --color-primary-dark: #1E3A8A;
    --color-primary-bg: #1E3A8A;
    
    /* Colores Neutros - Modo Oscuro */
    --color-text-primary: #F9FAFB;
    --color-text-secondary: #D1D5DB;
    --color-bg-primary: #111827;
    --color-bg-secondary: #1F2937;
    --color-bg-highlight: #1E3A8A;
    --color-border: #374151;
    
    /* Colores de Acento - Modo Oscuro */
    --color-success: #10B981;
    --color-action: #FB923C;
    
    /* Sombras - Modo Oscuro */
    --shadow-subtle: 0 1px 3px 0 rgba(0, 0, 0, 0.3), 0 1px 2px 0 rgba(0, 0, 0, 0.2);
    --shadow-medium: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-large: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
  }
}

/* ============================================
   RESET Y BASE
   ============================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* ============================================
   ACCESIBILIDAD - Skip Link
   ============================================ */

.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--color-primary);
  color: #FFFFFF;
  padding: var(--spacing-sm) var(--spacing-md);
  text-decoration: none;
  z-index: 10000;
  border-radius: 0 0 4px 0;
  opacity: 0;
  pointer-events: none;
  transition: top 0.2s ease, opacity 0.2s ease;
}

.skip-link:focus {
  top: 0;
  opacity: 1;
  pointer-events: auto;
  outline: 2px solid var(--color-primary-light);
  outline-offset: 2px;
}

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ============================================
   TIPOGRAFÍA
   ============================================ */

h1 {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
}

h2 {
  font-size: 1.75rem;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

h4 {
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

p {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
}

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

a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

ul, ol {
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

li {
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-primary);
}

/* ============================================
   LAYOUT
   ============================================ */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

section {
  padding: var(--spacing-xxxl) 0;
  position: relative;
  /* Delimitación sutil entre secciones para jerarquía visual */
  border-top: 1px solid transparent;
}

/* Separador visual sutil entre secciones alternadas */
section:not(:first-child) {
  border-top: 1px solid var(--color-border);
  margin-top: -1px;
}

/* Secciones con fondo alternado para mejor delimitación */
.beneficios,
.funcionalidades,
.casos-uso,
.confianza,
.contacto {
  position: relative;
}

.beneficios::before,
.funcionalidades::before,
.casos-uso::before,
.confianza::before,
.contacto::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
  opacity: 0.5;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  text-align: center;
  margin-bottom: var(--spacing-xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================
   NAVEGACIÓN
   ============================================ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: var(--transition);
  box-shadow: var(--shadow-subtle);
}

.navbar.scrolled {
  box-shadow: var(--shadow-medium);
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

@media (prefers-color-scheme: dark) {
  .navbar.scrolled {
    background-color: rgba(17, 24, 39, 0.98);
  }
}

.nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  height: 40px;
}

.logo:hover {
  text-decoration: none;
  opacity: 0.9;
}

.logo-img {
  height: 100%;
  width: auto;
  max-height: 40px;
  object-fit: contain;
  transition: opacity 0.2s ease, filter 0.2s ease;
  display: block;
  filter: invert(0);
}

@media (prefers-color-scheme: dark) {
  .logo-img {
    filter: invert(1);
  }
}

/* Logo más grande en desktop */
@media (min-width: 768px) {
  .logo {
    height: 45px;
  }
  
  .logo-img {
    max-height: 45px;
  }
}

@media (min-width: 992px) {
  .logo {
    height: 50px;
  }
  
  .logo-img {
    max-height: 50px;
  }
}

.menu-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
  gap: 4px;
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background-color: var(--color-text-primary);
  transition: var(--transition);
}

.nav-menu {
  display: flex;
  list-style: none;
  align-items: center;
  gap: var(--spacing-lg);
  margin: 0;
  padding: 0;
}

.nav-menu li {
  margin: 0;
}

.nav-link {
  color: var(--color-text-primary);
  font-weight: 500;
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--color-primary);
  text-decoration: none;
}

/* ============================================
   BOTONES
   ============================================ */

.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: var(--font-family);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  letter-spacing: 0.01em;
  position: relative;
  overflow: hidden;
  /* Sombra sutil para profundidad */
  box-shadow: var(--shadow-subtle);
}

/* Efecto de brillo sutil al hover */
.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-large);
  text-decoration: none;
  color: #FFFFFF;
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-medium);
}

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

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: #FFFFFF;
  text-decoration: none;
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1.125rem;
}

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: 0.875rem;
}

.btn:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 2px;
}

/* Mejorar visibilidad de focus en modo oscuro */
@media (prefers-color-scheme: dark) {
  .btn:focus-visible,
  a:focus-visible,
  input:focus-visible,
  textarea:focus-visible,
  button:focus-visible {
    outline-color: var(--color-primary);
  }
}

/* ============================================
   HERO
   ============================================ */

.hero {
  position: relative;
  padding-top: calc(var(--spacing-xxxl) + 80px);
  padding-bottom: var(--spacing-xxxl);
  /* Gradiente institucional mejorado con más profundidad y sofisticación */
  background: linear-gradient(135deg, #1E3A8A 0%, #1E40AF 30%, #2563EB 50%, #1E40AF 70%, #1E3A8A 100%);
  background-size: 200% 200%;
  animation: gradient-shift 20s ease infinite;
  text-align: center;
  overflow: hidden;
  min-height: 600px;
  display: flex;
  align-items: center;
  /* Sombra sutil para profundidad */
  box-shadow: inset 0 -2px 10px rgba(0, 0, 0, 0.1);
}

/* Animación sutil del gradiente para dinamismo institucional */
@keyframes gradient-shift {
  0%, 100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

/* Elementos visuales abstractos de fondo - Mejorados para mayor profundidad */
.hero-bg-elements {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  /* Efecto de profundidad con overlay sutil */
  background: radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
              radial-gradient(circle at 80% 80%, rgba(37, 99, 235, 0.06) 0%, transparent 50%);
}

.hero-circle {
  position: absolute;
  border-radius: 50%;
  background: var(--color-primary-light);
  opacity: 0.08;
  /* Sombra sutil para profundidad */
  box-shadow: 0 0 60px rgba(59, 130, 246, 0.15);
}

.hero-circle-1 {
  width: 400px;
  height: 400px;
  top: -150px;
  right: -100px;
  animation: float-circle-1 30s ease-in-out infinite;
}

.hero-circle-2 {
  width: 300px;
  height: 300px;
  bottom: -100px;
  left: -50px;
  animation: float-circle-2 35s ease-in-out infinite;
}

.hero-circle-3 {
  width: 250px;
  height: 250px;
  top: 50%;
  left: 10%;
  animation: float-circle-3 40s ease-in-out infinite;
}

.hero-wave {
  position: absolute;
  background: var(--color-primary-light);
  opacity: 0.07;
  border-radius: 50%;
  /* Sombra sutil para profundidad */
  box-shadow: 0 0 50px rgba(59, 130, 246, 0.12);
}

.hero-wave-1 {
  width: 500px;
  height: 200px;
  top: 20%;
  right: 15%;
  animation: float-wave-1 25s ease-in-out infinite;
}

.hero-wave-2 {
  width: 400px;
  height: 150px;
  bottom: 15%;
  left: 20%;
  animation: float-wave-2 32s ease-in-out infinite;
}

/* Animaciones de elementos de fondo */
@keyframes float-circle-1 {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(-30px, 40px) scale(1.1);
  }
  66% {
    transform: translate(20px, -30px) scale(0.95);
  }
}

@keyframes float-circle-2 {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(40px, -50px) scale(1.15);
  }
}

@keyframes float-circle-3 {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  25% {
    transform: translate(25px, 30px) scale(1.05);
  }
  75% {
    transform: translate(-20px, -25px) scale(0.98);
  }
}

@keyframes float-wave-1 {
  0%, 100% {
    transform: translate(0, 0) rotate(0deg);
  }
  50% {
    transform: translate(-40px, 30px) rotate(5deg);
  }
}

@keyframes float-wave-2 {
  0%, 100% {
    transform: translate(0, 0) rotate(0deg);
  }
  50% {
    transform: translate(35px, -25px) rotate(-5deg);
  }
}

/* Respetar prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  .hero {
    animation: none;
    background: linear-gradient(135deg, #1E3A8A 0%, #1E40AF 50%, #1E3A8A 100%);
  }
  
  .hero-circle,
  .hero-wave {
    animation: none;
  }
  
  .hero-title,
  .hero-subtitle,
  .hero-cta {
    animation: none;
    opacity: 1;
    transform: none;
  }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  /* Efecto parallax sutil al hacer scroll */
  will-change: transform;
  transition: transform 0.3s ease-out;
}

.hero-title {
  font-size: 2rem;
  margin-bottom: var(--spacing-lg);
  color: #FFFFFF;
  animation: fade-in-up 0.8s ease-out;
  /* Sombra de texto sutil para legibilidad y profundidad */
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: var(--spacing-xl);
  line-height: 1.7;
  animation: fade-in-up 0.8s ease-out 0.1s both;
  /* Sombra de texto sutil para legibilidad */
  text-shadow: 0 1px 5px rgba(0, 0, 0, 0.15);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

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

.hero-cta {
  animation: fade-in-up 0.8s ease-out 0.2s both;
}

/* Micro-animaciones de entrada */
@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero h1 {
  font-size: 2rem;
  margin-bottom: var(--spacing-lg);
  color: #FFFFFF;
}

/* ============================================
   BENEFICIOS
   ============================================ */

.beneficios {
  background-color: var(--color-bg-primary);
}

.beneficios h2 {
  text-align: center;
}

.beneficios-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.beneficio-card {
  background-color: var(--color-bg-secondary);
  padding: var(--spacing-lg);
  border-radius: 12px;
  border: 1px solid var(--color-border);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  /* Sombra sutil para profundidad institucional */
  box-shadow: var(--shadow-subtle);
  position: relative;
  overflow: hidden;
}

/* Borde superior sutil para jerarquía visual */
.beneficio-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.beneficio-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-large);
  border-color: var(--color-primary-light);
}

.beneficio-card:hover::before {
  opacity: 1;
}

.beneficio-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--color-primary-bg) 0%, rgba(219, 234, 254, 0.6) 100%);
  color: var(--color-primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  /* Sombra sutil para profundidad */
  box-shadow: var(--shadow-subtle);
}

.beneficio-card:hover .beneficio-icon {
  transform: scale(1.1) rotate(5deg);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #FFFFFF;
  box-shadow: var(--shadow-medium);
}

.beneficio-icon i {
  font-size: 1.5rem;
  color: var(--color-primary);
}

.beneficio-card h3 {
  margin-bottom: var(--spacing-sm);
}

.beneficio-card p {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
}

.beneficio-destacado {
  background: linear-gradient(135deg, var(--color-primary-bg) 0%, rgba(219, 234, 254, 0.5) 100%);
  padding: var(--spacing-xl);
  border-radius: 16px;
  margin-top: var(--spacing-xl);
  border: 2px solid var(--color-primary-light);
  /* Sombra profesional para destacar importancia */
  box-shadow: var(--shadow-medium);
  position: relative;
  overflow: hidden;
}

/* Elemento decorativo sutil */
.beneficio-destacado::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.beneficio-destacado-content {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-lg);
}

.beneficio-icon-large {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #FFFFFF;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  /* Sombra profesional para destacar */
  box-shadow: var(--shadow-medium);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.beneficio-icon-large i {
  color: #FFFFFF;
  font-size: 2rem;
}

.beneficio-destacado:hover .beneficio-icon-large {
  transform: scale(1.1) rotate(5deg);
  box-shadow: var(--shadow-large);
}

.beneficio-destacado h3 {
  margin-bottom: var(--spacing-sm);
}

.beneficio-destacado p {
  color: var(--color-text-primary);
}

/* ============================================
   FUNCIONALIDADES
   ============================================ */

.funcionalidades {
  background-color: var(--color-bg-secondary);
}

.funcionalidades h2 {
  text-align: center;
}

.funcionalidades-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xxl);
}

.funcionalidad-item {
  margin-bottom: var(--spacing-lg);
}

.funcionalidad-content {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.funcionalidad-content.reverse {
  grid-template-columns: 1fr auto;
}

.funcionalidad-content.reverse .funcionalidad-icon {
  order: 2;
}

.funcionalidad-icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary-bg) 0%, rgba(219, 234, 254, 0.6) 100%);
  border-radius: 16px;
  flex-shrink: 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  /* Sombra sutil para profundidad */
  box-shadow: var(--shadow-subtle);
  border: 1px solid rgba(59, 130, 246, 0.1);
}

.funcionalidad-icon i {
  color: var(--color-primary);
  transition: transform 0.3s ease;
}

.funcionalidad-item:hover .funcionalidad-icon {
  transform: scale(1.05);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  box-shadow: var(--shadow-medium);
  border-color: transparent;
}

.funcionalidad-item:hover .funcionalidad-icon i {
  color: #FFFFFF;
  transform: scale(1.1);
}

.funcionalidad-features {
  list-style: none;
  margin-left: 0;
  margin-top: var(--spacing-md);
}

.funcionalidad-features li {
  position: relative;
  padding-left: var(--spacing-lg);
  margin-bottom: var(--spacing-xs);
}

.funcionalidad-features li::before {
  content: "\f00c";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: 0;
  color: var(--color-success);
}

/* ============================================
   CASOS DE USO
   ============================================ */

.casos-uso {
  background-color: var(--color-bg-primary);
}

.casos-uso h2 {
  text-align: center;
}

.casos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-xl);
}

.caso-card {
  background-color: var(--color-bg-secondary);
  padding: var(--spacing-xl);
  border-radius: 12px;
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

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

.caso-icon {
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

.caso-icon i {
  color: var(--color-primary);
}

.caso-descripcion {
  font-size: 1.0625rem;
  line-height: 1.7;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-primary);
  font-style: italic;
}

.caso-details h4 {
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}

.caso-details ul {
  list-style: none;
  margin-left: 0;
  margin-bottom: var(--spacing-md);
}

.caso-details li {
  position: relative;
  padding-left: var(--spacing-lg);
  margin-bottom: var(--spacing-xs);
}

.caso-details li::before {
  content: "\f111";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-size: 0.5rem;
  top: 0.5em;
}

/* ============================================
   DIFERENCIADORES
   ============================================ */

.diferenciadores {
  background-color: var(--color-bg-secondary);
}

.diferenciadores h2 {
  text-align: center;
}

.diferenciadores-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.diferenciador-card {
  background-color: var(--color-bg-primary);
  padding: var(--spacing-lg);
  border-radius: 12px;
  border: 1px solid var(--color-border);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  /* Sombra sutil para profundidad */
  box-shadow: var(--shadow-subtle);
  position: relative;
  overflow: hidden;
}

/* Borde superior sutil para jerarquía visual */
.diferenciador-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.diferenciador-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-large);
  border-color: var(--color-primary-light);
}

.diferenciador-card:hover::before {
  opacity: 1;
}

.diferenciador-icon {
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

.diferenciador-icon i {
  color: var(--color-primary);
}

.diferenciador-why {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

.diferenciador-why strong {
  display: block;
  margin-bottom: var(--spacing-xs);
  color: var(--color-primary);
}

.diferenciador-why ul {
  list-style: none;
  margin-left: 0;
}

.diferenciador-why li {
  position: relative;
  padding-left: var(--spacing-lg);
  margin-bottom: var(--spacing-xs);
}

.diferenciador-why li::before {
  content: "\f061";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

.diferenciador-destacado {
  background-color: var(--color-primary-bg);
  padding: var(--spacing-xl);
  border-radius: 12px;
  margin-top: var(--spacing-xl);
}

.diferenciador-destacado-content {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-lg);
}

.diferenciador-icon-large {
  width: 80px;
  height: 80px;
  background-color: var(--color-primary);
  color: #FFFFFF;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.diferenciador-icon-large i {
  color: #FFFFFF;
}

/* ============================================
   CONFIANZA
   ============================================ */

.confianza {
  background-color: var(--color-bg-primary);
}

.confianza h2 {
  text-align: center;
}

.confianza-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.confianza-card {
  background-color: var(--color-bg-secondary);
  padding: var(--spacing-lg);
  border-radius: 12px;
  border: 1px solid var(--color-border);
  text-align: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  /* Sombra sutil para profundidad institucional */
  box-shadow: var(--shadow-subtle);
  position: relative;
  overflow: hidden;
}

/* Borde superior sutil para jerarquía visual */
.confianza-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.confianza-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-large);
  border-color: var(--color-primary-light);
}

.confianza-card:hover::before {
  opacity: 1;
}

.confianza-icon {
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--color-primary-bg) 0%, rgba(219, 234, 254, 0.6) 100%);
  border-radius: 12px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  /* Sombra sutil para profundidad */
  box-shadow: var(--shadow-subtle);
  margin: 0 auto var(--spacing-md);
}

.confianza-icon i {
  color: var(--color-primary);
  font-size: 1.75rem;
  transition: transform 0.3s ease;
}

.confianza-card:hover .confianza-icon {
  transform: scale(1.1);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  box-shadow: var(--shadow-medium);
}

.confianza-card:hover .confianza-icon i {
  color: #FFFFFF;
  transform: scale(1.1);
}

.confianza-features {
  list-style: none;
  margin-left: 0;
  margin-top: var(--spacing-md);
  text-align: left;
}

.confianza-features li {
  position: relative;
  padding-left: var(--spacing-lg);
  margin-bottom: var(--spacing-xs);
}

.confianza-features li::before {
  content: "\f00c";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: 0;
  color: var(--color-success);
}

/* ============================================
   COTIZACIÓN
   ============================================ */

.cotizacion {
  /* Fondo plano para sección informativa, sin degradados */
  background-color: var(--color-bg-secondary);
  text-align: center;
}

.cotizacion-content {
  max-width: 700px;
  margin: 0 auto;
}

.cotizacion-text {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-xl);
  color: var(--color-text-primary);
}

.cotizacion-beneficios {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-md);
  margin: var(--spacing-xl) 0;
  /* Fondo plano adicional para la sub-sección de beneficios */
  background-color: var(--color-bg-primary);
  padding: var(--spacing-lg);
  border-radius: 8px;
  border: 1px solid var(--color-border);
}

.cotizacion-beneficio {
  padding: var(--spacing-sm) var(--spacing-md);
  /* Fondo plano para máxima legibilidad y percepción institucional */
  background-color: var(--color-bg-primary);
  border-radius: 6px;
  /* Texto oscuro para máxima legibilidad */
  color: var(--color-text-primary);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  /* Sin transiciones ni efectos hover para mantener sobriedad */
  border: 1px solid var(--color-border);
}

.cotizacion-beneficio i {
  /* Color institucional sólido para iconos check */
  color: var(--color-primary);
  font-size: 1rem;
  flex-shrink: 0;
}

.cotizacion-note {
  margin-top: var(--spacing-lg);
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
}

/* ============================================
   MICRO-SECCIÓN DE CONFIANZA
   ============================================ */

.confianza-micro {
  background-color: var(--color-bg-secondary);
  padding: var(--spacing-xl) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.confianza-micro-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  max-width: 1000px;
  margin: 0 auto;
}

.confianza-micro-item {
  text-align: center;
  padding: var(--spacing-md);
}

.confianza-micro-item i {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--color-primary-bg) 0%, rgba(219, 234, 254, 0.6) 100%);
  border-radius: 12px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-subtle);
  font-size: 1.5rem;
}

.confianza-micro-item:hover i {
  transform: scale(1.1);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #FFFFFF;
  box-shadow: var(--shadow-medium);
}

.confianza-micro-item h3 {
  margin-bottom: var(--spacing-xs);
  font-size: 1.125rem;
}

.confianza-micro-item p {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  margin: 0;
}

/* ============================================
   CONTACTO / FORMULARIO
   ============================================ */

.contacto {
  background-color: var(--color-bg-primary);
}

.contacto h2 {
  text-align: center;
}

.contacto-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xxl);
  max-width: 1000px;
  margin: 0 auto;
}

.contacto-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--color-text-primary);
}

.form-group input,
.form-group textarea {
  padding: var(--spacing-sm);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-family: var(--font-family);
  font-size: 1rem;
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

.form-group input[aria-invalid="true"],
.form-group textarea[aria-invalid="true"],
.form-group input.error,
.form-group textarea.error {
  border-color: var(--color-error);
}

.form-group input[aria-invalid="true"]:focus,
.form-group textarea[aria-invalid="true"]:focus,
.form-group input.error:focus,
.form-group textarea.error:focus {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.checkbox-group {
  flex-direction: row;
  align-items: flex-start;
  gap: var(--spacing-xs);
}

.checkbox-group input[type="checkbox"] {
  margin-top: 4px;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.checkbox-group label {
  margin: 0;
  font-weight: 400;
  font-size: 0.9375rem;
}

.required-asterisk {
  color: var(--color-error);
  font-weight: 700;
}

.field-error {
  display: block;
  color: var(--color-error);
  font-size: 0.875rem;
  margin-top: var(--spacing-xs);
  min-height: 1.25rem;
}

.field-error:empty {
  display: none;
}

.contacto-info {
  background-color: var(--color-bg-secondary);
  padding: var(--spacing-lg);
  border-radius: 8px;
  border: 1px solid var(--color-border);
}

.contacto-info h3 {
  margin-bottom: var(--spacing-md);
}

.contacto-details {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contacto-detail {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.contacto-detail strong {
  color: var(--color-primary);
}

.contacto-detail a {
  color: var(--color-text-primary);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  transition: var(--transition);
}

.contacto-detail a:hover {
  color: var(--color-primary);
}

.contacto-detail a i {
  color: var(--color-primary);
  font-size: 1.125rem;
  flex-shrink: 0;
}

.contacto-detail a:hover i {
  color: var(--color-primary);
}

.email-text {
  word-break: break-all;
}

.form-message {
  max-width: 1000px;
  margin: var(--spacing-lg) auto 0;
  padding: var(--spacing-md);
  border-radius: 8px;
  text-align: center;
  font-weight: 600;
}

.form-message.success {
  background-color: rgba(5, 150, 105, 0.1);
  color: var(--color-success);
  border: 1px solid var(--color-success);
}

.form-message.error {
  background-color: rgba(220, 38, 38, 0.1);
  color: var(--color-error);
  border: 1px solid var(--color-error);
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
  background-color: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-col h4 {
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

.footer-col ul {
  list-style: none;
  margin: 0;
}

.footer-col li {
  margin-bottom: var(--spacing-xs);
}

.footer-col a {
  color: var(--color-text-secondary);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

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

.footer-col a i {
  color: var(--color-primary);
  font-size: 1rem;
  flex-shrink: 0;
  width: 20px;
  text-align: center;
}

.footer-col a:hover i {
  color: var(--color-primary);
}

.footer-col .email-text {
  word-break: break-all;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (min-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  .hero h1,
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-circle-1 {
    width: 500px;
    height: 500px;
  }
  
  .hero-circle-2 {
    width: 400px;
    height: 400px;
  }
  
  .hero-circle-3 {
    width: 350px;
    height: 350px;
  }
  
  .hero-wave-1 {
    width: 600px;
    height: 250px;
  }
  
  .hero-wave-2 {
    width: 500px;
    height: 200px;
  }
}

@media (min-width: 992px) {
  h1 {
    font-size: 3rem;
  }
  
  h2 {
    font-size: 2.25rem;
  }
  
  .hero h1,
  .hero-title {
    font-size: 3rem;
  }
  
  .hero {
    min-height: 700px;
  }
}

@media (max-width: 991px) {
  .menu-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    flex-direction: column;
    background-color: var(--color-bg-primary);
    width: 100%;
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    box-shadow: var(--shadow-medium);
    transition: left 0.3s ease;
    align-items: flex-start;
    gap: var(--spacing-md);
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .contacto-content {
    grid-template-columns: 1fr;
  }
  
  .funcionalidad-content,
  .funcionalidad-content.reverse {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .funcionalidad-icon {
    margin: 0 auto var(--spacing-md);
  }
  
  .beneficio-destacado-content,
  .diferenciador-destacado-content {
    flex-direction: column;
    text-align: center;
  }
  
  .casos-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767px) {
  section {
    padding: var(--spacing-xxl) 0;
  }
  
  .hero {
    padding-top: calc(var(--spacing-xxl) + 70px);
    padding-bottom: var(--spacing-xxl);
    min-height: 500px;
  }
  
  .hero-circle-1,
  .hero-circle-2,
  .hero-circle-3 {
    width: 200px;
    height: 200px;
  }
  
  .hero-wave-1,
  .hero-wave-2 {
    width: 300px;
    height: 120px;
  }
  
  .hero-ctas {
    flex-direction: column;
  }
  
  .hero-ctas .btn {
    width: 100%;
  }
  
  .beneficios-grid,
  .diferenciadores-grid,
  .confianza-grid {
    grid-template-columns: 1fr;
  }
  
  .cotizacion-beneficios {
    flex-direction: column;
  }
}

/* ============================================
   UTILIDADES
   ============================================ */

.text-center {
  text-align: center;
}

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }