/* Variables CSS */
:root {
  /* Colores principales */
  --primary-50: #f0f9ff;
  --primary-100: #e0f2fe;
  --primary-200: #bae6fd;
  --primary-300: #7dd3fc;
  --primary-400: #38bdf8;
  --primary-500: #0ea5e9;
  --primary-600: #0284c7;
  --primary-700: #0369a1;
  --primary-800: #075985;
  --primary-900: #0c4a6e;

  /* Colores neutros */
  --neutral-50: #fafafa;
  --neutral-100: #f5f5f5;
  --neutral-200: #e5e5e5;
  --neutral-300: #d4d4d4;
  --neutral-400: #a3a3a3;
  --neutral-500: #737373;
  --neutral-600: #525252;
  --neutral-700: #404040;
  --neutral-800: #262626;
  --neutral-900: #171717;

  /* Colores de acento */
  --accent-400: #fb923c;
  --accent-500: #f97316;
  --accent-600: #ea580c;

  /* Gradientes */
  --gradient-primary: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-800) 100%);
  --gradient-accent: linear-gradient(135deg, var(--accent-500) 0%, var(--accent-600) 100%);
  --gradient-dark: linear-gradient(135deg, var(--neutral-800) 0%, var(--neutral-900) 100%);

  /* Sombras */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Tipografía */
  --font-sans: "Inter", system-ui, -apple-system, sans-serif;
  --font-display: "Playfair Display", serif;

  /* Espaciado */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Bordes */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;

  /* Transiciones */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

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

body {
  font-family: var(--font-sans);
  line-height: 1.6;
  color: var(--neutral-800);
  background-color: var(--neutral-50);
  overflow-x: hidden;
  cursor: auto;
}

/* Contenedor principal */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--neutral-200);
  z-index: 1000;
  transition: all var(--transition-normal);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg) var(--space-xl);
  max-width: 1200px;
  margin: 0 auto;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.brand-icon {
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 1.25rem;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--neutral-900);
}

.brand-tagline {
  font-size: 0.75rem;
  color: var(--neutral-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Added mobile menu toggle button styles */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 30px;
  height: 30px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001;
}

.mobile-menu-toggle span {
  display: block;
  height: 3px;
  width: 100%;
  background: var(--neutral-700);
  border-radius: 3px;
  transition: all var(--transition-normal);
  transform-origin: center;
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(7px, 7px);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

.nav-menu-container {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--space-2xl);
}

.nav-menu a {
  text-decoration: none;
  color: var(--neutral-700);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  transition: all var(--transition-normal);
  padding: var(--space-sm) 0;
}

.nav-menu a:hover {
  color: var(--primary-600);
}

.nav-menu a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-normal);
}

.nav-menu a:hover::after {
  width: 100%;
}

.lang-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--neutral-100);
  border: 1px solid var(--neutral-200);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-2xl);
  cursor: pointer;
  font-weight: 500;
  color: var(--neutral-700);
  transition: all var(--transition-normal);
}

.lang-toggle:hover {
  background: var(--primary-50);
  border-color: var(--primary-200);
  color: var(--primary-700);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -2;
}

.hero-gradient {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-primary);
  opacity: 0.05;
}

.hero-pattern {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(circle at 25% 25%, var(--primary-100) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, var(--accent-100) 0%, transparent 50%);
  opacity: 0.3;
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.hero-badge {
  display: inline-block;
  background: var(--primary-50);
  color: var(--primary-700);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-2xl);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: var(--space-xl);
  border: 1px solid var(--primary-200);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--space-xl);
  color: var(--neutral-900);
}

.title-line {
  display: block;
}

.title-line.highlight {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.25rem;
  color: var(--neutral-600);
  margin-bottom: var(--space-2xl);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: var(--space-lg);
  align-items: center;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--gradient-primary);
  color: white;
  padding: var(--space-lg) var(--space-2xl);
  border-radius: var(--radius-xl);
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-lg);
}

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

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--neutral-700);
  padding: var(--space-lg) var(--space-2xl);
  border: 2px solid var(--neutral-200);
  border-radius: var(--radius-xl);
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition-normal);
  background: white;
}

.btn-secondary:hover {
  border-color: var(--primary-300);
  color: var(--primary-700);
  background: var(--primary-50);
}

.hero-visual {
  position: relative;
  height: 500px;
}

.hero-image-container {
  position: relative;
  width: 100%;
  height: 100%;
}

.main-hero-image {
  position: relative;
  width: 100%;
  max-width: 500px;
  margin: 0 auto;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.main-hero-image img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-2xl);
  transition: all var(--transition-normal);
}

.hero-globe-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-2xl);
  transition: all var(--transition-normal);

  /* Filtros para adaptar la gama de colores al diseño */
  filter: hue-rotate(-30deg) /* Rotar hacia tonos más azules */ saturate(0.8) /* Reducir saturación ligeramente */
    contrast(1.1) /* Aumentar contraste */ brightness(1.05) /* Aumentar brillo sutilmente */ sepia(0.1); /* Agregar un toque sepia sutil */

  /* Overlay sutil para integrar mejor con el diseño */
  position: relative;
}

.hero-globe-image::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(2, 132, 199, 0.1) 0%,
    rgba(14, 165, 233, 0.05) 50%,
    rgba(56, 189, 248, 0.1) 100%
  );
  border-radius: var(--radius-2xl);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.main-hero-image:hover .hero-globe-image::after {
  opacity: 1;
}

.main-hero-image:hover .hero-globe-image {
  transform: scale(1.02);
  filter: hue-rotate(-30deg) saturate(0.9) contrast(1.15) brightness(1.1) sepia(0.05);
}

.main-hero-image:hover img {
  transform: scale(1.02);
}

/* Eliminar animaciones flotantes */
@keyframes floatImage {
  /* Vacío - sin animación */
}

@keyframes floatCenter {
  /* Vacío - sin animación */
}

.scroll-indicator {
  position: absolute;
  bottom: var(--space-2xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  color: var(--neutral-500);
  font-size: 0.875rem;
  font-weight: 500;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: var(--neutral-300);
  animation: scrollLine 2s ease-in-out infinite;
}

/* Sections */
.section {
  padding: var(--space-3xl) 0;
  position: relative;
}

.section-dark {
  background: var(--gradient-dark);
  color: white;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
  position: relative;
}

.section-number {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary-600);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-md);
  display: block;
}

.section-dark .section-number {
  color: var(--primary-400);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: var(--space-lg);
  color: var(--neutral-900);
}

.section-dark .section-title {
  color: white;
}

.section-line {
  width: 80px;
  height: 3px;
  background: var(--gradient-primary);
  margin: 0 auto var(--space-lg);
  border-radius: var(--radius-sm);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--neutral-600);
  max-width: 600px;
  margin: 0 auto;
}

.section-dark .section-subtitle {
  color: var(--neutral-300);
}

/* Sobre Mí */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-3xl);
  align-items: start;
}

.about-image-section {
  position: sticky;
  top: 120px;
}

.image-container {
  position: relative;
  margin-bottom: var(--space-2xl);
}

.profile-image {
  width: 100%;
  max-width: 350px;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
  transition: all var(--transition-slow);
}

.image-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  color: white;
  padding: var(--space-2xl);
  border-radius: 0 0 var(--radius-2xl) var(--radius-2xl);
  transform: translateY(100%);
  transition: all var(--transition-normal);
}

.image-container:hover .image-overlay {
  transform: translateY(0);
}

.overlay-content h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.overlay-content p {
  font-size: 0.95rem;
  opacity: 0.9;
}

.credentials {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.credential-item {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-lg);
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.credential-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.credential-item i {
  font-size: 1.5rem;
  color: var(--primary-600);
}

.credential-item h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--neutral-900);
  margin-bottom: var(--space-xs);
}

.credential-item p {
  font-size: 0.875rem;
  color: var(--neutral-600);
}

.about-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
}

.content-block h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--neutral-900);
  margin-bottom: var(--space-lg);
}

.content-block p {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--neutral-600);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.stat-item {
  text-align: center;
  padding: var(--space-xl);
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary-600);
  margin-bottom: var(--space-sm);
}

.stat-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--neutral-600);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Servicios */
.services-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-2xl);
}

.service-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-2xl);
  padding: var(--space-2xl);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card:hover {
  transform: translateY(-8px);
  background: rgba(255, 255, 255, 0.15);
}

.service-card.main-card {
  grid-column: span 2;
  background: rgba(255, 255, 255, 0.15);
}

.card-header {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.card-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
}

.card-header h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: white;
}

.card-content p {
  color: var(--neutral-300);
  margin-bottom: var(--space-lg);
  line-height: 1.6;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.feature-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: var(--neutral-200);
}

.feature-item i {
  color: var(--primary-400);
  font-size: 0.875rem;
}

.methodology-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.tag {
  background: rgba(255, 255, 255, 0.1);
  color: var(--neutral-200);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-2xl);
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.course-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: var(--neutral-200);
  font-size: 0.95rem;
}

.course-item i {
  color: var(--primary-400);
  font-size: 1.125rem;
}

.info-section {
  margin-bottom: var(--space-xl);
}

.info-section h4 {
  color: white;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.info-section p {
  color: var(--neutral-300);
  line-height: 1.6;
}

.payment-methods {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.payment-tag {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(255, 255, 255, 0.1);
  color: var(--neutral-200);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-xl);
  font-size: 0.875rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.payment-tag i {
  color: var(--primary-400);
}

/* Clientes */
.clients-showcase {
  position: relative;
  overflow: hidden;
  padding: var(--space-2xl) 0;
}

.clients-marquee {
  overflow: hidden;
  white-space: nowrap;
}

.marquee-content {
  display: inline-flex;
  animation: marquee 30s linear infinite;
}

.client-item {
  flex: 0 0 auto;
  margin-right: var(--space-3xl);
  padding: var(--space-xl);
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 200px;
}

.client-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.client-item img {
  max-width: 120px;
  max-height: 60px;
  object-fit: contain;
  filter: grayscale(100%);
  transition: filter var(--transition-normal);
}

.client-item:hover img {
  filter: grayscale(0%);
}

/* Contacto */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.contact-header h3 {
  font-size: 2rem;
  font-weight: 700;
  color: white;
  margin-bottom: var(--space-lg);
}

.contact-header p {
  font-size: 1.125rem;
  color: var(--neutral-300);
  line-height: 1.6;
  margin-bottom: var(--space-2xl);
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.contact-method {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-xl);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all var(--transition-normal);
}

.contact-method:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateX(8px);
}

.method-icon {
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.25rem;
}

.method-content h4 {
  color: white;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.method-content p {
  color: var(--neutral-300);
  font-size: 0.95rem;
}

.contact-form-container {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-2xl);
  padding: var(--space-2xl);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.form-group label {
  color: white;
  font-weight: 500;
  font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  color: white;
  font-size: 1rem;
  transition: all var(--transition-normal);
  font-family: inherit;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--neutral-400);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-400);
  background: rgba(255, 255, 255, 0.15);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.submit-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  background: var(--gradient-primary);
  color: white;
  border: none;
  padding: var(--space-lg) var(--space-2xl);
  border-radius: var(--radius-xl);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-lg);
}

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

/* Footer */
.footer {
  background: var(--neutral-900);
  color: white;
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--neutral-800);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.footer-brand h4 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.footer-brand p {
  color: var(--neutral-400);
  font-size: 0.875rem;
}

.footer-links {
  display: flex;
  gap: var(--space-2xl);
}

.footer-links a {
  color: var(--neutral-400);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-normal);
}

.footer-links a:hover {
  color: white;
}

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

.footer-bottom p {
  color: var(--neutral-500);
  font-size: 0.875rem;
}

/* Animaciones */
@keyframes float {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

@keyframes scrollLine {
  0% {
    transform: scaleY(0);
    transform-origin: top;
  }
  50% {
    transform: scaleY(1);
    transform-origin: top;
  }
  100% {
    transform: scaleY(0);
    transform-origin: bottom;
  }
}

@keyframes marquee {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* Enhanced responsive design for mobile devices */
/* Responsive */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-2xl);
  }

  .hero-visual {
    order: -1;
    height: 300px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .about-image-section {
    position: static;
    text-align: center;
  }

  .contact-container {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .services-container {
    grid-template-columns: 1fr;
  }

  .service-card.main-card {
    grid-column: span 1;
  }

  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
  }
}

@media (max-width: 768px) {
  .nav {
    padding: var(--space-lg) var(--space-lg);
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .nav-menu-container {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-left: 1px solid var(--neutral-200);
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    padding: 100px var(--space-xl) var(--space-xl);
    transition: right var(--transition-normal);
    z-index: 1000;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
  }

  .nav-menu-container.active {
    right: 0;
  }

  .nav-menu {
    flex-direction: column;
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
    width: 100%;
  }

  .nav-menu li {
    width: 100%;
  }

  .nav-menu a {
    display: block;
    padding: var(--space-lg);
    text-align: center;
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    font-size: 1.1rem;
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .nav-menu a:hover {
    background: var(--primary-50);
    color: var(--primary-700);
  }

  .lang-toggle {
    width: 100%;
    justify-content: center;
    padding: var(--space-lg);
    min-height: 48px;
  }

  .hero {
    min-height: 100vh;
    padding-top: 80px;
  }

  .hero-container {
    padding: var(--space-xl);
    gap: var(--space-xl);
  }

  .hero-title {
    font-size: 2.25rem;
    line-height: 1.2;
  }

  .hero-description {
    font-size: 1.1rem;
    margin-bottom: var(--space-xl);
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-lg);
  }

  .btn-primary,
  .btn-secondary {
    justify-content: center;
    padding: var(--space-lg) var(--space-xl);
    font-size: 1rem;
    min-height: 48px;
  }

  .hero-visual {
    height: 250px;
    margin-bottom: var(--space-xl);
  }

  .section {
    padding: var(--space-2xl) 0;
  }

  .container {
    padding: 0 var(--space-lg);
  }

  .section-title {
    font-size: 2rem;
  }

  .section-subtitle {
    font-size: 1rem;
  }

  .profile-image {
    max-width: 280px;
    margin: 0 auto;
  }

  .credentials {
    margin-top: var(--space-xl);
  }

  .credential-item {
    flex-direction: column;
    text-align: center;
    gap: var(--space-md);
    padding: var(--space-xl);
  }

  .credential-item i {
    font-size: 2rem;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    margin-top: var(--space-xl);
  }

  .stat-item {
    padding: var(--space-xl) var(--space-lg);
  }

  .stat-number {
    font-size: 2rem;
  }

  .services-container {
    gap: var(--space-xl);
  }

  .service-card {
    padding: var(--space-xl);
  }

  .card-header {
    flex-direction: column;
    text-align: center;
    gap: var(--space-lg);
  }

  .card-icon {
    width: 50px;
    height: 50px;
    font-size: 1.25rem;
  }

  .card-header h3 {
    font-size: 1.25rem;
  }

  .methodology-tags {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .tag {
    text-align: center;
    padding: var(--space-md) var(--space-lg);
  }

  .course-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .course-item {
    justify-content: center;
    text-align: center;
    flex-direction: column;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
  }

  .payment-methods {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .payment-tag {
    justify-content: center;
    padding: var(--space-md) var(--space-lg);
  }

  .clients-marquee {
    padding: var(--space-lg) 0;
  }

  .client-item {
    min-width: 150px;
    height: 80px;
    margin-right: var(--space-xl);
  }

  .client-item img {
    max-width: 100px;
    max-height: 50px;
  }

  .contact-header h3 {
    font-size: 1.5rem;
  }

  .contact-header p {
    font-size: 1rem;
  }

  .contact-methods {
    gap: var(--space-lg);
  }

  .contact-method {
    flex-direction: column;
    text-align: center;
    gap: var(--space-lg);
    padding: var(--space-xl) var(--space-lg);
  }

  .contact-method:hover {
    transform: translateY(-4px);
  }

  .method-icon {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .contact-form-container {
    padding: var(--space-xl);
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .form-group input,
  .form-group textarea {
    padding: var(--space-lg);
    font-size: 1rem;
    min-height: 48px;
  }

  .submit-btn {
    padding: var(--space-lg) var(--space-xl);
    font-size: 1rem;
    min-height: 48px;
  }

  .footer {
    padding: var(--space-2xl) 0 var(--space-xl);
  }

  .footer-content {
    flex-direction: column;
    gap: var(--space-xl);
    text-align: center;
  }

  .footer-brand {
    flex-direction: column;
    gap: var(--space-lg);
  }

  .footer-links {
    flex-direction: column;
    gap: var(--space-lg);
  }

  .footer-links a {
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .footer-links a:hover {
    background: var(--neutral-800);
  }

  .footer-bottom p {
    font-size: 0.8rem;
    line-height: 1.5;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }

  .nav {
    padding: var(--space-md);
  }

  .brand-name {
    font-size: 1.1rem;
  }

  .brand-tagline {
    font-size: 0.7rem;
  }

  .hero-container {
    padding: var(--space-lg) var(--space-md);
  }

  .hero-title {
    font-size: 1.875rem;
  }

  .hero-badge {
    font-size: 0.8rem;
    padding: var(--space-sm) var(--space-md);
  }

  .section-title {
    font-size: 1.75rem;
  }

  .service-card {
    padding: var(--space-lg);
  }

  .card-header h3 {
    font-size: 1.125rem;
  }

  .contact-form-container {
    padding: var(--space-lg);
  }

  .nav-menu-container {
    width: 100%;
    right: -100%;
  }

  .nav-menu-container.active {
    right: 0;
  }
}

/* Mobile menu overlay */
.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.mobile-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Accessibility improvements for mobile */
@media (max-width: 768px) {
  .nav-menu a:focus,
  .lang-toggle:focus,
  .mobile-menu-toggle:focus {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
  }

  .btn-primary:focus,
  .btn-secondary:focus,
  .submit-btn:focus {
    outline: 2px solid var(--primary-300);
    outline-offset: 2px;
  }

  /* Touch-friendly button sizes */
  .mobile-menu-toggle {
    min-width: 44px;
    min-height: 44px;
  }
}

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

/* Estados de carga */
.loading {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease forwards;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Efectos de hover para dispositivos táctiles */
@media (hover: none) {
  .service-card:hover,
  .client-item:hover,
  .credential-item:hover,
  .stat-item:hover,
  .contact-method:hover {
    transform: none;
  }

  .btn-primary:hover,
  .submit-btn:hover {
    transform: none;
  }
}

/* Modo de alto contraste */
@media (prefers-contrast: high) {
  :root {
    --neutral-600: #000000;
    --neutral-700: #000000;
    --neutral-800: #000000;
    --neutral-900: #000000;
  }

  .hero-background {
    display: none;
  }

  .service-card {
    border: 2px solid white;
  }
}

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

  .scroll-line {
    animation: none;
  }

  .floating-card {
    animation: none;
  }

  .marquee-content {
    animation: none;
  }
}