/* ====================================
   SIENGOB-Digital - Main Stylesheet
   Modern Dark Mode Design
   ==================================== */

/* CSS Variables */
:root {
  /* Colors - Dark Mode Palette */
  --color-bg-primary: #0a0a0b;
  --color-bg-secondary: #111113;
  --color-bg-tertiary: #18181b;
  --color-bg-elevated: #1f1f23;
  --color-bg-hover: #27272a;
  
  /* Accent Colors - Professional Blue Solid */
  --color-accent-primary: #4285F4;
  --color-accent-secondary: #3367d6;
  --color-accent-gradient: #4285F4;
  --color-accent-glow: rgba(66, 133, 244, 0.15);
  
  /* Text Colors */
  --color-text-primary: #fafafa;
  --color-text-secondary: #a1a1aa;
  --color-text-tertiary: #71717a;
  --color-text-muted: #52525b;
  
  /* Border Colors */
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-hover: rgba(255, 255, 255, 0.15);
  --color-border-accent: rgba(6, 182, 212, 0.3);
  
  /* Pricing Card Colors */
  --color-basic: #22c55e;
  --color-standard: #06b6d4;
  --color-premium: #a855f7;
  --color-custom: #f59e0b;
  
  /* Typography - Professional & Executive */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Manrope', var(--font-sans);
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px var(--color-accent-glow);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Background Effect - Subtle */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 60vh;
  background: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(66, 133, 244, 0.04) 0%, transparent 60%);
  pointer-events: none;
  z-index: -1;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ====================================
   Typography
   ==================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.text-display {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.text-headline {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.text-title {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 700;
}

.text-body {
  font-size: 1rem;
  color: var(--color-text-secondary);
}

.text-small {
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
}

.text-gradient {
  color: var(--color-accent-primary);
}

/* ====================================
   Layout
   ==================================== */

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container--narrow {
  max-width: 900px;
}

.container--wide {
  max-width: 1400px;
}

.section {
  padding: var(--space-4xl) 0;
}

.section--hero {
  padding: var(--space-3xl) 0 var(--space-4xl);
  min-height: 80vh;
  display: flex;
  align-items: center;
}

/* ====================================
   Navigation
   ==================================== */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-md) 0;
  background: rgba(10, 10, 11, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition-base);
}

.nav--scrolled {
  background: rgba(10, 10, 11, 0.95);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text-primary);
  transition: var(--transition-fast);
}

.nav__logo:hover {
  color: var(--color-accent-primary);
}

.nav__logo-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.nav__logo-text {
  font-weight: 700;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav__link {
  padding: var(--space-sm) var(--space-md);
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-text-primary);
  background: var(--color-bg-hover);
}

.nav__cta {
  margin-left: var(--space-md);
}

.nav__mobile-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  color: var(--color-text-primary);
  z-index: 1002;
}

.nav__mobile-toggle svg {
  width: 24px;
  height: 24px;
}

/* Overlay para menú móvil */
.nav__overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 998;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.nav__overlay--visible {
  opacity: 1;
}

@media (max-width: 768px) {
  .nav__overlay {
    display: block;
    pointer-events: none;
  }
  
  .nav__overlay--visible {
    pointer-events: auto;
  }
  
  .nav__menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    background-color: #0a0a0b;
    flex-direction: column;
    align-items: stretch;
    padding: 80px var(--space-lg) var(--space-lg);
    gap: var(--space-sm);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    z-index: 1001;
    border-left: 1px solid var(--color-border);
    overflow-y: auto;
  }
  
  .nav__menu--open {
    transform: translateX(0);
  }
  
  .nav__link {
    padding: var(--space-md);
    font-size: 1rem;
    border-radius: var(--radius-md);
  }
  
  .nav__link:hover,
  .nav__link--active {
    background: var(--color-bg-hover);
  }
  
  .nav__cta {
    margin-left: 0;
    margin-top: var(--space-md);
    text-align: center;
  }
  
  .nav__mobile-toggle {
    display: flex;
  }
  
  .nav__logo-text {
    display: none;
  }
}

/* ====================================
   Buttons
   ==================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: var(--transition-base);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-accent-primary);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

.btn--primary:hover {
  background: var(--color-accent-secondary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--secondary {
  background: var(--color-bg-elevated);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn--secondary:hover {
  background: var(--color-bg-hover);
  border-color: var(--color-border-hover);
}

.btn--ghost {
  color: var(--color-text-secondary);
}

.btn--ghost:hover {
  color: var(--color-text-primary);
  background: var(--color-bg-hover);
}

.btn--lg {
  padding: var(--space-md) var(--space-xl);
  font-size: 1rem;
}

.btn svg {
  width: 18px;
  height: 18px;
}

/* ====================================
   Hero Section
   ==================================== */

.hero {
  text-align: center;
  padding-top: 100px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  animation: fadeInUp 0.6s ease forwards;
  opacity: 0;
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  background: var(--color-accent-primary);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

.hero__title {
  max-width: 900px;
  margin: 0 auto var(--space-lg);
  animation: fadeInUp 0.6s ease 0.1s forwards;
  opacity: 0;
}

.hero__subtitle {
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  animation: fadeInUp 0.6s ease 0.2s forwards;
  opacity: 0;
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  animation: fadeInUp 0.6s ease 0.3s forwards;
  opacity: 0;
}

.hero__image {
  margin-top: var(--space-4xl);
  padding: 2px;
  background: linear-gradient(135deg, var(--color-border) 0%, transparent 50%, var(--color-border) 100%);
  border-radius: var(--radius-xl);
  animation: fadeInUp 0.8s ease 0.4s forwards;
  opacity: 0;
}

.hero__image-inner {
  background: var(--color-bg-secondary);
  border-radius: calc(var(--radius-xl) - 2px);
  overflow: hidden;
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
}

/* ====================================
   Carousel
   ==================================== */

.carousel {
  position: relative;
  width: 100%;
  height: 100%;
}

.carousel__track {
  position: relative;
  width: 100%;
  height: 100%;
}

.carousel__slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.6s ease;
  pointer-events: none;
}

.carousel__slide--active {
  opacity: 1;
  pointer-events: auto;
}

.carousel__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.carousel__content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-xl);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.4) 60%, transparent 100%);
  color: #ffffff;
}

.carousel__title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
  letter-spacing: -0.01em;
}

.carousel__description {
  font-size: 0.9375rem;
  opacity: 0.85;
  line-height: 1.5;
}

/* Indicadores */
.carousel__indicators {
  position: absolute;
  bottom: var(--space-lg);
  right: var(--space-xl);
  display: flex;
  gap: var(--space-sm);
  z-index: 10;
}

.carousel__indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 0;
}

.carousel__indicator:hover {
  background: rgba(255, 255, 255, 0.7);
}

.carousel__indicator--active {
  background: #ffffff;
  width: 24px;
  border-radius: 4px;
}

/* Flechas de navegación */
.carousel__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #ffffff;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  opacity: 0;
}

.carousel:hover .carousel__arrow {
  opacity: 1;
}

.carousel__arrow:hover {
  background: rgba(0, 0, 0, 0.5);
  transform: translateY(-50%) scale(1.1);
}

.carousel__arrow--prev {
  left: var(--space-md);
}

.carousel__arrow--next {
  right: var(--space-md);
}

.carousel__arrow svg {
  width: 20px;
  height: 20px;
}

.carousel__empty {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
  .carousel__content {
    padding: var(--space-lg);
  }
  
  .carousel__title {
    font-size: 1rem;
  }
  
  .carousel__description {
    font-size: 0.8125rem;
  }
  
  .carousel__indicators {
    bottom: var(--space-md);
    right: var(--space-lg);
  }
  
  .carousel__arrow {
    width: 36px;
    height: 36px;
    opacity: 1;
  }
  
  .carousel__arrow svg {
    width: 18px;
    height: 18px;
  }
}

@media (max-width: 480px) {
  .carousel__content {
    padding: var(--space-md);
  }
  
  .carousel__title {
    font-size: 0.9375rem;
  }
  
  .carousel__description {
    font-size: 0.75rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  
  .carousel__indicators {
    bottom: var(--space-sm);
    right: var(--space-md);
    gap: var(--space-xs);
  }
  
  .carousel__indicator {
    width: 6px;
    height: 6px;
  }
  
  .carousel__indicator--active {
    width: 18px;
  }
  
  .carousel__arrow {
    width: 32px;
    height: 32px;
  }
  
  .carousel__arrow--prev {
    left: var(--space-sm);
  }
  
  .carousel__arrow--next {
    right: var(--space-sm);
  }
}

/* ====================================
   Features Section
   ==================================== */

.features {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.features__header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-3xl);
}

.features__title {
  margin-bottom: var(--space-md);
}

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

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

@media (max-width: 992px) {
  .features__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .features__grid {
    grid-template-columns: 1fr;
  }
}

.feature-card {
  padding: var(--space-xl);
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
  opacity: 0;
  transform: translateY(20px);
}

.feature-card--visible {
  opacity: 1;
  transform: translateY(0);
}

.feature-card:hover {
  border-color: var(--color-border-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.feature-card__icon {
  width: 48px;
  height: 48px;
  background: var(--color-bg-elevated);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
}

.feature-card__title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.feature-card__description {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* ====================================
   Products Section
   ==================================== */

.products__header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-3xl);
}

.products__categories {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-3xl);
  flex-wrap: wrap;
}

.products__category-btn {
  padding: var(--space-sm) var(--space-lg);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  font-weight: 500;
  transition: var(--transition-base);
}

.products__category-btn:hover {
  background: var(--color-bg-hover);
  color: var(--color-text-primary);
}

.products__category-btn--active {
  background: var(--color-accent-primary);
  border-color: var(--color-accent-primary);
  color: var(--color-bg-primary);
}

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

@media (max-width: 768px) {
  .products__grid {
    grid-template-columns: 1fr;
  }
}

.product-card {
  padding: var(--space-xl);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
  opacity: 0;
  transform: translateY(20px);
}

.product-card--visible {
  opacity: 1;
  transform: translateY(0);
}

.product-card:hover {
  border-color: var(--color-border-accent);
  box-shadow: var(--shadow-lg);
}

.product-card__badge {
  display: inline-flex;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-bg-elevated);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
}

.product-card__icon {
  width: 56px;
  height: 56px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  color: var(--color-accent-primary);
}

.product-card__icon svg {
  width: 28px;
  height: 28px;
}

.product-card__title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.product-card__description {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.product-card__video {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 aspect ratio */
  margin-bottom: var(--space-lg);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-bg-primary);
}

.product-card__video iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.product-card__features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.product-card__feature {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-bg-primary);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

.product-card__feature svg {
  width: 14px;
  height: 14px;
  color: var(--color-accent-primary);
}

/* ====================================
   Pricing Section
   ==================================== */

.pricing {
  padding-top: 120px;
}

.pricing__header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-2xl);
}

.pricing__products {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.pricing__product-btn {
  padding: var(--space-sm) var(--space-lg);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition-base);
  cursor: pointer;
}

.pricing__product-btn:hover {
  background: var(--color-bg-hover);
  color: var(--color-text-primary);
  border-color: var(--color-border-hover);
}

.pricing__product-btn--active {
  background: var(--color-accent-primary);
  border-color: var(--color-accent-primary);
  color: #ffffff;
}

.pricing__product-btn--active:hover {
  background: var(--color-accent-secondary);
  border-color: var(--color-accent-secondary);
  color: #ffffff;
}

.pricing__product-description {
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.pricing__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  align-items: start;
  max-width: 100%;
}

@media (max-width: 640px) {
  .pricing__grid {
    grid-template-columns: 1fr;
  }
  
  .pricing__products {
    gap: var(--space-xs);
  }
  
  .pricing__product-btn {
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.75rem;
  }
  
  .pricing {
    padding-top: 100px;
  }
  
  .pricing-card {
    padding: var(--space-lg);
  }
  
  .pricing-card__amount {
    font-size: 2rem;
  }
}

.pricing-card {
  padding: var(--space-xl);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
  opacity: 0;
  transform: translateY(20px);
}

.pricing-card--visible {
  opacity: 1;
  transform: translateY(0);
}

.pricing-card--featured {
  border-color: #4285F4;
  background: linear-gradient(180deg, rgba(66, 133, 244, 0.05) 0%, transparent 50%);
  position: relative;
}

.pricing-card--featured::before {
  content: 'Recomendado';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-xs) var(--space-md);
  background: #4285F4;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  color: #ffffff;
}

.pricing-card--featured .btn--primary {
  background: #4285F4;
}

.pricing-card--featured .btn--primary:hover {
  background: #3367d6;
}

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

.pricing-card__header {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-border);
}

.pricing-card__name {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.pricing-card__price {
  display: flex;
  align-items: baseline;
  gap: var(--space-xs);
}

.pricing-card__currency {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.pricing-card__amount {
  font-size: 2.5rem;
  font-weight: 700;
  font-family: var(--font-display);
}

.pricing-card__period {
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
}

.pricing-card__features {
  margin-bottom: var(--space-xl);
}

.pricing-card__feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

.pricing-card__feature svg {
  width: 18px;
  height: 18px;
  color: var(--color-accent-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.pricing-card__action {
  width: 100%;
}

/* Color variants for pricing cards */
.pricing-card[data-tier="basico"] .pricing-card__name {
  color: #22c55e;
}

.pricing-card[data-tier="estandar"] .pricing-card__name {
  color: #4285F4;
}

.pricing-card[data-tier="premium"] .pricing-card__name {
  color: #a855f7;
}

.pricing-card[data-tier="gratis"] .pricing-card__name {
  color: #22c55e;
}

.pricing-card[data-tier="custom"] .pricing-card__name {
  color: #f59e0b;
}

/* Tarjeta gratis */
.pricing-card--free {
  border-color: #22c55e;
  background: linear-gradient(180deg, rgba(34, 197, 94, 0.05) 0%, transparent 50%);
}

.pricing-card--free .pricing-card__amount {
  color: #22c55e;
}

/* ====================================
   About / Team Section
   ==================================== */

.about-hero {
  padding-top: 120px;
  text-align: center;
}

.about-hero__title {
  margin-bottom: var(--space-lg);
}

.about-hero__subtitle {
  max-width: 700px;
  margin: 0 auto;
  font-size: 1.25rem;
  color: var(--color-text-secondary);
}

.about-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

@media (max-width: 768px) {
  .about-values {
    grid-template-columns: 1fr;
  }
}

.value-card {
  text-align: center;
  padding: var(--space-2xl);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition-base);
}

.value-card--visible {
  opacity: 1;
  transform: translateY(0);
}

.value-card:hover {
  border-color: var(--color-border-accent);
}

.value-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-lg);
  background: var(--color-bg-elevated);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.value-card__title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.value-card__description {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
}

/* Stats Section */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  padding: var(--space-3xl);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}

@media (max-width: 768px) {
  .stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

.stat {
  text-align: center;
}

.stat__number {
  font-size: 2.5rem;
  font-weight: 700;
  font-family: var(--font-display);
  color: var(--color-accent-primary);
  margin-bottom: var(--space-xs);
}

.stat__label {
  font-size: 0.9375rem;
  color: var(--color-text-tertiary);
}

/* ====================================
   Contact Section
   ==================================== */

.contact {
  padding-top: 120px;
}

.contact__header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-3xl);
}

.contact__form {
  max-width: 600px;
  margin: 0 auto;
  padding: var(--space-2xl);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent-primary);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
}

/* ====================================
   Footer
   ==================================== */

.footer {
  margin-top: var(--space-4xl);
  padding: var(--space-3xl) 0;
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-lg);
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.125rem;
}

.footer__logo-img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.footer__links {
  display: flex;
  gap: var(--space-xl);
}

.footer__link {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  transition: var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-text-primary);
}

.footer__copyright {
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
}

@media (max-width: 768px) {
  .footer__inner {
    flex-direction: column;
    text-align: center;
  }
  
  .footer__links {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
  }
}

/* ====================================
   CTA Section
   ==================================== */

.cta {
  text-align: center;
  padding: var(--space-4xl) var(--space-xl);
  background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  margin: var(--space-4xl) 0;
}

.cta__title {
  margin-bottom: var(--space-md);
}

.cta__subtitle {
  max-width: 500px;
  margin: 0 auto var(--space-xl);
  color: var(--color-text-secondary);
}

/* ====================================
   Animations
   ==================================== */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* Staggered animation delays */
.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }
.stagger-6 { animation-delay: 0.6s; }

/* ====================================
   Utilities
   ==================================== */

.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;
}

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

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

.hidden { display: none !important; }
.visible { display: block !important; }

/* ====================================
   Global Responsive Adjustments
   ==================================== */

@media (max-width: 992px) {
  .section {
    padding: var(--space-3xl) 0;
  }
  
  .section--hero {
    padding: var(--space-2xl) 0 var(--space-3xl);
    min-height: auto;
  }
  
  .hero {
    padding-top: 80px;
  }
  
  .hero__image {
    margin-top: var(--space-2xl);
  }
  
  .about-hero,
  .contact,
  .pricing {
    padding-top: 100px;
  }
  
  .stats {
    padding: var(--space-2xl);
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-md);
  }
  
  .text-display {
    font-size: clamp(1.75rem, 8vw, 2.5rem);
  }
  
  .text-headline {
    font-size: clamp(1.5rem, 6vw, 2rem);
  }
  
  .hero__subtitle {
    font-size: 1rem;
  }
  
  .hero__actions {
    flex-direction: column;
    width: 100%;
  }
  
  .hero__actions .btn {
    width: 100%;
    justify-content: center;
  }
  
  .features__grid {
    grid-template-columns: 1fr;
  }
  
  .products__grid {
    grid-template-columns: 1fr;
  }
  
  .about-values {
    grid-template-columns: 1fr;
  }
  
  .stats {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    padding: var(--space-xl);
  }
  
  .stat__number {
    font-size: 2rem;
  }
  
  .cta {
    padding: var(--space-2xl) var(--space-lg);
  }
  
  .contact-grid {
    grid-template-columns: 1fr !important;
  }
  
  .footer__inner {
    flex-direction: column;
    text-align: center;
    gap: var(--space-xl);
  }
  
  .footer__links {
    flex-wrap: wrap;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-sm);
  }
  
  .section {
    padding: var(--space-2xl) 0;
  }
  
  .hero {
    padding-top: 70px;
  }
  
  .hero__badge {
    font-size: 0.75rem;
    padding: var(--space-xs) var(--space-sm);
  }
  
  .btn {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.875rem;
  }
  
  .btn--lg {
    padding: var(--space-sm) var(--space-lg);
  }
  
  .feature-card,
  .product-card,
  .value-card {
    padding: var(--space-lg);
  }
  
  .stats {
    grid-template-columns: 1fr;
  }
  
  .stat__number {
    font-size: 1.75rem;
  }
  
  .pricing__products {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xs);
  }
  
  .pricing__product-btn {
    text-align: center;
    padding: var(--space-sm);
    font-size: 0.6875rem;
  }
  
  .form-input,
  .form-textarea {
    padding: var(--space-sm);
    font-size: 0.9375rem;
  }
}