/**
 * NTEK - Estilos CSS
 * Landing Page Corporativa
 * Convención: BEM (Block__Element--Modifier)
 */

/* ==========================================================================
   CSS CUSTOM PROPERTIES (Variables)
   ========================================================================== */

:root {
  /* Colores - Paleta NTEK */
  --color-primary: #014a85;
  --color-primary-dark: #013a6a;
  --color-primary-light: #0266b3;
  --color-secondary: #0277bd;
  --color-secondary-dark: #01579b;
  
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-bg-dark: #014a85;
  --color-surface: #ffffff;
  --color-surface-alt: #f1f5f9;
  
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-text-light: #94a3b8;
  --color-text-inverse: #ffffff;
  
  --color-border: #e2e8f0;
  --color-border-light: #f1f5f9;
  
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  
  /* Gradientes */
  --gradient-primary: linear-gradient(135deg, #014a85 0%, #0277bd 100%);
  --gradient-dark: linear-gradient(135deg, #014a85 0%, #013a6a 100%);
  --gradient-hero: linear-gradient(135deg, #014a85 0%, #01579b 50%, #014a85 100%);
  
  /* Tipografía */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
  
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
  
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;
  
  /* Espaciado */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
  
  /* Radios */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Sombras */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  --shadow-glow: 0 0 40px rgb(0 102 255 / 0.15);
  
  /* Transiciones */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  --transition-slower: 500ms ease;
  
  /* Z-index */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal-backdrop: 300;
  --z-modal: 400;
  --z-tooltip: 500;
  
  /* Contenedores */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1200px;
  --container-2xl: 1400px;
}

/* Modo oscuro deshabilitado */

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

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Prevenir scroll cuando modal está abierto */
body.modal-open {
  overflow: hidden;
}

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

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

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

ul,
ol {
  list-style: none;
}

/* Focus visible para accesibilidad */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

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

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-text);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
  margin-bottom: var(--space-4);
}

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

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

.container {
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding: var(--space-24) 0;
}

.section--alt {
  background-color: var(--color-bg-alt);
}

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

.section__header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-16);
}

.section__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.section__title {
  margin-bottom: var(--space-4);
}

.section__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

.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;
}

/* Animaciones de reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal--delay-1 { transition-delay: 100ms; }
.reveal--delay-2 { transition-delay: 200ms; }
.reveal--delay-3 { transition-delay: 300ms; }
.reveal--delay-4 { transition-delay: 400ms; }

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn--primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-md), 0 0 20px rgb(0 102 255 / 0.2);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), 0 0 30px rgb(0 102 255 / 0.3);
}

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

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

.btn--outline-light {
  background: transparent;
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn--outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-lg);
}

.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
}

.btn--icon {
  padding: var(--space-3);
}

.btn__icon {
  width: 20px;
  height: 20px;
}

/* ==========================================================================
   ICONOS (Lucide Icons)
   ========================================================================== */

.icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  display: inline-block;
  vertical-align: middle;
}

.icon--sm {
  width: 16px;
  height: 16px;
}

.icon--lg {
  width: 32px;
  height: 32px;
}

.icon--xl {
  width: 48px;
  height: 48px;
}

/* ==========================================================================
   NAVBAR
   ========================================================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

[data-theme="dark"] .navbar {
  background: rgba(15, 23, 42, 0.9);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.navbar__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}

.navbar__logo-img {
  height: 40px;
  width: auto;
}

.navbar__nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.navbar__link {
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.navbar__link:hover,
.navbar__link.active {
  color: var(--color-primary);
  background: rgba(1, 74, 133, 0.1);
}

.navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.navbar__mobile-toggle {
  display: none;
  padding: var(--space-2);
  color: var(--color-text);
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  z-index: var(--z-modal);
  padding: var(--space-6);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--transition-base);
}

.mobile-menu.open {
  transform: translateX(0);
}

.mobile-menu__nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.mobile-menu__link {
  padding: var(--space-4);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.mobile-menu__link:hover {
  background: var(--color-surface-alt);
  color: var(--color-primary);
}

.mobile-menu__cta {
  margin-top: var(--space-6);
}

@media (max-width: 1024px) {
  .navbar__nav {
    display: none;
  }
  
  .navbar__mobile-toggle {
    display: flex;
  }
  
  .mobile-menu {
    display: block;
  }
}

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

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  color: white;
  overflow: hidden;
  padding-top: 72px;
}

/* Canvas de red animada */
#network-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

/* Canvas de animación de red */
.hero__network-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.hero__container {
  position: relative;
  z-index: 1;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: var(--space-16) var(--space-6);
  text-align: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-8);
  backdrop-filter: blur(10px);
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: var(--font-weight-bold);
  line-height: 1.1;
  margin-bottom: var(--space-6);
  color: white;
}

.hero__title-highlight {
  background: linear-gradient(135deg, #ffffff 0%, #a8d4ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: var(--font-size-xl);
  color: rgba(255, 255, 255, 0.8);
  max-width: 700px;
  margin: 0 auto var(--space-8);
  line-height: var(--line-height-relaxed);
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}

.hero__badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
}

.hero__trust-badge {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  backdrop-filter: blur(10px);
}

.hero__trust-badge .icon {
  color: var(--color-secondary);
}

/* Efecto de scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--font-size-sm);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-10px); }
  60% { transform: translateX(-50%) translateY(-5px); }
}

/* ==========================================================================
   SERVICIOS
   ========================================================================== */

.services__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

@media (max-width: 1200px) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.service-card {
  position: relative;
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
  overflow: hidden;
}

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

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

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

.service-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(1, 74, 133, 0.1) 0%, rgba(2, 119, 189, 0.1) 100%);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-5);
  color: var(--color-primary);
}

.service-card__title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-3);
}

.service-card__list {
  margin-bottom: var(--space-5);
}

.service-card__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-2) 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.service-card__item .icon {
  width: 16px;
  height: 16px;
  color: var(--color-secondary);
  flex-shrink: 0;
  margin-top: 2px;
}

.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  transition: gap var(--transition-fast);
}

.service-card__link:hover {
  gap: var(--space-3);
}

/* ==========================================================================
   SOLUCIONES IA
   ========================================================================== */

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

.ai-solutions .section__subtitle {
  color: rgba(255, 255, 255, 0.7);
}

.ai-solutions__usecases {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-16);
}

.usecase-card {
  padding: var(--space-6);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.usecase-card:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-4px);
}

.usecase-card__image {
  width: 120px;
  height: 120px;
  margin: 0 auto var(--space-4);
  border-radius: var(--radius-full);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.usecase-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  margin: 0 auto var(--space-4);
}

.usecase-card__title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-2);
  color: white;
  text-align: center;
}

.usecase-card__desc {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
  line-height: var(--line-height-relaxed);
  text-align: center;
}

/* Pipeline IA */
.ai-pipeline {
  margin-bottom: var(--space-12);
}

.ai-pipeline__title {
  text-align: center;
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-8);
  color: white;
}

.ai-pipeline__steps {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--space-2);
}

.ai-pipeline__step {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.ai-pipeline__step .icon {
  width: 18px;
  height: 18px;
  color: var(--color-secondary);
}

.ai-pipeline__arrow {
  color: rgba(255, 255, 255, 0.3);
  font-size: var(--font-size-xl);
}

.ai-disclaimer {
  text-align: center;
  padding: var(--space-4) var(--space-6);
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.9);
}

.ai-disclaimer .icon {
  color: var(--color-warning);
  vertical-align: middle;
  margin-right: var(--space-2);
}

@media (max-width: 768px) {
  .ai-pipeline__steps {
    flex-direction: column;
  }
  
  .ai-pipeline__arrow {
    transform: rotate(90deg);
  }
}

/* ==========================================================================
   PORTAFOLIO / CASOS
   ========================================================================== */

.portfolio__filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-10);
}

.portfolio__filter {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.portfolio__filter:hover,
.portfolio__filter.active {
  color: white;
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-6);
}

.case-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
  cursor: pointer;
}

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

.case-card__image {
  height: 200px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.case-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

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

.case-card__image .icon {
  width: 64px;
  height: 64px;
  color: white;
  opacity: 0.5;
}

.case-card__content {
  padding: var(--space-6);
}

.case-card__category {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: rgba(1, 74, 133, 0.1);
  color: var(--color-primary);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-3);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.case-card__title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-2);
}

.case-card__industry {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.case-card__problem {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  line-height: var(--line-height-relaxed);
}

.case-card__result {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3);
  background: rgba(16, 185, 129, 0.1);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-success);
}

.case-card__result .icon {
  width: 18px;
  height: 18px;
}

/* Estado hidden para filtros */
.case-card.hidden {
  display: none;
}

/* ==========================================================================
/* PROCESO
   ========================================================================== */

.process__timeline {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-8);
  max-width: 1200px;
  margin: 0 auto;
  padding-top: var(--space-8);
}

.process__timeline::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 18%;
  transform: translateY(-50%);
  height: 2px;
  background: var(--color-border);
  z-index: 0;
}

.process-step {
  position: relative;
  z-index: 1;
  flex: 1;
  min-width: 180px;
  max-width: 200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-bottom: 0;
}

.process-step:last-child {
  padding-bottom: 0;
}

.process-step__number {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background: var(--color-bg);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  flex-shrink: 0;
  margin-bottom: var(--space-4);
}

.process-step__content {
  flex: 1;
  width: 100%;
}

.process-step__title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-2);
}

.process-step__desc {
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

.process-step__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
}

.process-step__time {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  background: rgba(1, 74, 133, 0.1);
  color: var(--color-primary);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-full);
}

.process-step__method {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  background: var(--color-surface-alt);
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-full);
}

@media (max-width: 1024px) {
  .process__timeline {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .process-step {
    min-width: 160px;
    max-width: 180px;
  }
  
  .process__timeline::before {
    display: none;
  }
}

@media (max-width: 640px) {
  .process__timeline {
    flex-direction: column;
    gap: var(--space-6);
  }
  
  .process-step {
    min-width: 100%;
    max-width: 100%;
  }
  
  .process-step__number {
    width: 50px;
    height: 50px;
    font-size: var(--font-size-base);
  }
}

/* ==========================================================================
   PRICING
   ========================================================================== */

.pricing__toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}

.pricing__toggle-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.pricing__toggle-label.active {
  color: var(--color-text);
}

.pricing__toggle-switch {
  position: relative;
  width: 56px;
  height: 28px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.pricing__toggle-switch.active {
  background: var(--color-primary);
}

.pricing__toggle-switch::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 24px;
  height: 24px;
  background: white;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-fast);
}

.pricing__toggle-switch.active::after {
  transform: translateX(28px);
}

.pricing__save {
  padding: var(--space-1) var(--space-2);
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-sm);
}

.pricing__comparison-title {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--space-12);
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-16);
}

@media (max-width: 1024px) {
  .pricing__grid {
    grid-template-columns: 1fr;
  }
}

.pricing-card {
  position: relative;
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.pricing-card--featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
  transform: scale(1.02);
}

.pricing-card--featured::before {
  content: 'Más popular';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  padding: var(--space-1) var(--space-4);
  background: var(--gradient-primary);
  color: white;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.pricing-card--featured:hover {
  transform: scale(1.02) translateY(-4px);
}

.pricing-card__name {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-2);
}

.pricing-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.pricing-card__price {
  margin-bottom: var(--space-6);
}

.pricing-card__amount {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
}

.pricing-card__currency {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
}

.pricing-card__period {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.pricing-card__features {
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.pricing-card__feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  font-size: var(--font-size-sm);
}

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

.pricing-card__usecase {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.pricing-card__usecase strong {
  color: var(--color-text);
}

.pricing-card__cta {
  width: 100%;
}

/* Tabla comparativa */
.pricing__table-wrapper {
  display: flex;
  justify-content: center;
  overflow-x: auto;
  margin-bottom: var(--space-8);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.pricing__table-wrapper::-webkit-scrollbar {
  height: 6px;
}

.pricing__table-wrapper::-webkit-scrollbar-track {
  background: var(--color-surface-alt);
  border-radius: 3px;
}

.pricing__table-wrapper::-webkit-scrollbar-thumb {
  background: var(--color-primary);
  border-radius: 3px;
}

.pricing__table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
  min-width: 600px;
}

.pricing__table th,
.pricing__table td {
  padding: var(--space-4) var(--space-6);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.pricing__table th:first-child,
.pricing__table td:first-child {
  padding-left: var(--space-4);
  position: sticky;
  left: 0;
  background: var(--color-surface);
  z-index: 1;
  min-width: 180px;
  font-weight: var(--font-weight-medium);
}

.pricing__table th:first-child {
  background: var(--color-surface-alt);
  font-weight: var(--font-weight-semibold);
}

.pricing__table th {
  font-weight: var(--font-weight-semibold);
  background: var(--color-surface-alt);
  text-align: center;
  white-space: nowrap;
  color: var(--color-text);
  padding: var(--space-5) var(--space-4);
  font-size: var(--font-size-sm);
}

.pricing__table th:first-child {
  border-radius: var(--radius-lg) 0 0 0;
  text-align: left;
  padding-right: var(--space-4);
}

.pricing__table th:last-child {
  border-radius: 0 var(--radius-lg) 0 0;
}

.pricing__table td:not(:first-child) {
  text-align: center;
  white-space: nowrap;
  color: var(--color-text-muted);
  padding: var(--space-5) var(--space-4);
}

/* Highlight de filas alternas para mejor legibilidad */
.pricing__table tbody tr:nth-child(odd) td:not(:first-child) {
  background: rgba(1, 74, 133, 0.02);
}

.pricing__table tbody tr:hover td:not(:first-child) {
  background: rgba(1, 74, 133, 0.05);
}

.pricing__table .icon {
  margin: 0 auto;
}

.pricing__table .icon--check {
  color: var(--color-success);
}

.pricing__table .icon--close {
  color: var(--color-text-light);
}

.pricing__disclaimer {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  background: rgba(1, 74, 133, 0.05);
  border: 1px solid rgba(1, 74, 133, 0.15);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  margin-top: var(--space-10);
  font-size: var(--font-size-sm);
  line-height: 1.6;
  color: var(--color-text);
}

.pricing__disclaimer .icon {
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.pricing__disclaimer p {
  margin: 0;
}

/* Responsive tabla pricing */
@media (max-width: 768px) {
  .pricing__table-wrapper {
    margin-left: calc(-1 * var(--space-4));
    margin-right: calc(-1 * var(--space-4));
    padding: 0 var(--space-4);
    justify-content: flex-start;
  }
  
  .pricing__table {
    font-size: var(--font-size-xs);
  }
  
  .pricing__table th,
  .pricing__table td {
    padding: var(--space-3) var(--space-4);
  }
  
  .pricing__table th:first-child,
  .pricing__table td:first-child {
    min-width: 120px;
    max-width: 140px;
  }
  
  .pricing__table th:not(:first-child),
  .pricing__table td:not(:first-child) {
    min-width: 80px;
  }
}

.pricing__disclaimer {
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  padding: var(--space-4);
  background: var(--color-surface-alt);
  border-radius: var(--radius-lg);
}

/* ==========================================================================
   TESTIMONIOS
   ========================================================================== */

.testimonials__carousel {
  position: relative;
  max-width: 800px;
  margin: 0 auto var(--space-16);
  overflow: hidden;
}

.testimonials__track {
  display: flex;
  transition: transform var(--transition-slow);
}

.testimonial-card {
  flex: 0 0 100%;
  padding: var(--space-10);
  text-align: center;
}

.testimonial-card__quote {
  position: relative;
  font-size: var(--font-size-xl);
  line-height: var(--line-height-relaxed);
  color: var(--color-text);
  margin-bottom: var(--space-8);
  margin-top: var(--space-10);
  padding-top: var(--space-8);
}

.testimonial-card__quote::before {
  content: '"';
  position: absolute;
  top: -40px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 80px;
  line-height: 1;
  color: var(--color-primary);
  opacity: 0.15;
  font-family: Georgia, serif;
  pointer-events: none;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
}

.testimonial-card__avatar {
  width: 56px;
  height: 56px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
}

.testimonial-card__info {
  text-align: left;
}

.testimonial-card__name {
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-1);
}

.testimonial-card__role {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.testimonials__nav {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
}

.testimonials__dot {
  width: 12px;
  height: 12px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.testimonials__dot.active {
  background: var(--color-primary);
  width: 32px;
}

/* Logo strip */
.logos {
  padding: var(--space-8) 0;
  border-top: 1px solid var(--color-border);
}

.logos__title {
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.logos__grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  justify-items: center;
  align-items: center;
  gap: var(--space-6);
  opacity: 0.5;
  padding: var(--space-4) 0;
}

@keyframes zoomIn {
  from {
    transform: scale(1);
  }
  to {
    transform: scale(1.15);
  }
}

.logos__item {
  height: 120px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
  object-position: center;
  filter: grayscale(100%);
  transition: filter var(--transition-base), transform var(--transition-base);
  display: block;
  margin: 0 auto;
}

.logos__item-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  text-align: center;
  height: 100%;
}

.logos__item-name {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  font-weight: 500;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.logos__item-wrapper:hover .logos__item-name {
  opacity: 1;
}

.logos__item:hover {
  filter: grayscale(0%);
  animation: zoomIn 0.3s ease-in-out forwards;
}

/* ==========================================================================
   RECURSOS
   ========================================================================== */

.resources__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-6);
}

.resource-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
}

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

.resource-card__image {
  height: 160px;
  background: linear-gradient(135deg, var(--color-bg-dark) 0%, var(--color-primary-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.resource-card__image .icon {
  width: 48px;
  height: 48px;
  color: white;
  opacity: 0.5;
}

.resource-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.resource-card__content {
  padding: var(--space-6);
}

.resource-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.resource-card__tag {
  padding: var(--space-1) var(--space-2);
  background: rgba(1, 74, 133, 0.1);
  color: var(--color-primary);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-sm);
}

.resource-card__title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-3);
}

.resource-card__excerpt {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: var(--line-height-relaxed);
}

.resource-card__full {
  display: none;
  padding-top: var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: var(--line-height-relaxed);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-4);
}

.resource-card.expanded .resource-card__full {
  display: block;
}

.resource-card__toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  cursor: pointer;
}

.resource-card__toggle .icon {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.resource-card.expanded .resource-card__toggle .icon {
  transform: rotate(180deg);
}

/* ==========================================================================
   FAQ
   ========================================================================== */

.faq__list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-3);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--color-primary);
}

.faq-item__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-5) var(--space-6);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  text-align: left;
  color: var(--color-text);
  background: var(--color-surface);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.faq-item__question:hover {
  background: var(--color-surface-alt);
}

.faq-item__icon {
  width: 24px;
  height: 24px;
  color: var(--color-text-muted);
  transition: transform var(--transition-fast);
}

.faq-item[aria-expanded="true"] .faq-item__icon {
  transform: rotate(180deg);
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}

.faq-item[aria-expanded="true"] .faq-item__answer {
  max-height: 500px;
}

.faq-item__content {
  padding: 0 var(--space-6) var(--space-6);
  color: var(--color-text-muted);
  line-height: var(--line-height-relaxed);
}

/* ==========================================================================
   GARANTÍAS
   ========================================================================== */

.guarantees {
  background: var(--color-surface-alt);
}

.guarantees__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-6);
}

.guarantee-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
}

.guarantee-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: rgba(16, 185, 129, 0.1);
  border-radius: var(--radius-lg);
  color: var(--color-success);
  flex-shrink: 0;
}

.guarantee-card__title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-1);
}

.guarantee-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

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

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}

@media (max-width: 900px) {
  .contact__grid {
    grid-template-columns: 1fr;
  }
}

.contact__info {
  padding: var(--space-8);
  background: var(--gradient-dark);
  border-radius: var(--radius-xl);
  color: white;
}

.contact__info-title {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-4);
  color: white;
}

.contact__info-text {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--space-8);
  line-height: var(--line-height-relaxed);
}

.contact__channels {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.contact__channel {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.contact__channel:hover {
  background: rgba(255, 255, 255, 0.1);
}

.contact__channel-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
}

.contact__channel-label {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.5);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact__channel-value {
  font-weight: var(--font-weight-medium);
}

/* Mapa */
.contact__map-container {
  margin-top: var(--space-8);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.contact__map {
  width: 100%;
  border: none;
  border-radius: var(--radius-lg);
}

/* Formulario */
.contact__form {
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}

.form__group {
  margin-bottom: var(--space-5);
}

.form__label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-2);
}

.form__label--required::after {
  content: ' *';
  color: var(--color-error);
}

.form__input,
.form__select,
.form__textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-base);
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(1, 74, 133, 0.1);
}

.form__input.error,
.form__select.error,
.form__textarea.error {
  border-color: var(--color-error);
}

.form__textarea {
  min-height: 120px;
  resize: vertical;
}

.form__error {
  display: none;
  font-size: var(--font-size-sm);
  color: var(--color-error);
  margin-top: var(--space-2);
}

.form__group.has-error .form__error {
  display: block;
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

@media (max-width: 600px) {
  .form__row {
    grid-template-columns: 1fr;
  }
}

.form__submit {
  width: 100%;
  margin-top: var(--space-4);
}

.form__submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.form__note {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-4);
  text-align: center;
}

/* Mensaje de éxito */
.form__success {
  display: none;
  padding: var(--space-6);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid var(--color-success);
  border-radius: var(--radius-lg);
  text-align: center;
}

.form__success.show {
  display: block;
}

.form__success-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-4);
  color: var(--color-success);
}

.form__success-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-2);
}

.form__success-text {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

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

.footer {
  background: var(--color-bg-dark);
  color: white;
  padding: var(--space-16) 0 var(--space-8);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

@media (max-width: 900px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }
}

.footer__brand {
  max-width: 300px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-4);
}

.footer__logo-img {
  height: 70px;
  width: auto;
}

.footer__desc {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.6);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-6);
}

/* Newsletter */
.footer__newsletter {
  display: flex;
  gap: var(--space-2);
}

.footer__newsletter-input {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-sm);
  color: white;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
}

.footer__newsletter-input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.footer__newsletter-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.footer__newsletter-btn {
  padding: var(--space-3) var(--space-4);
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-lg);
  font-weight: var(--font-weight-semibold);
  transition: all var(--transition-fast);
}

.footer__newsletter-btn:hover {
  background: var(--color-primary-dark);
}

.footer__newsletter-success {
  display: none;
  padding: var(--space-3);
  background: rgba(16, 185, 129, 0.2);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  color: var(--color-success);
}

.footer__newsletter-success.show {
  display: block;
}

/* Columnas del footer */
.footer__column-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
  color: white;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__link {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: white;
}

/* Bottom bar */
.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__copyright {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.5);
}

.footer__social {
  display: flex;
  gap: var(--space-3);
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: rgba(255, 255, 255, 0.6);
  transition: all var(--transition-fast);
}

.footer__social-link:hover {
  background: var(--color-primary);
  color: white;
}

/* ==========================================================================
   MODAL
   ========================================================================== */

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-modal-backdrop);
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
}

.modal.open {
  display: flex;
}

.modal__backdrop {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
}

.modal__content {
  position: relative;
  z-index: var(--z-modal);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  animation: modalIn var(--transition-base);
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.modal__title {
  font-size: var(--font-size-xl);
}

.modal__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  padding: var(--space-2);
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  z-index: 10;
}

.modal__close:hover {
  background: var(--color-surface-alt);
  color: var(--color-text);
}

.modal__body {
  padding: var(--space-6);
}

.modal__footer {
  padding: var(--space-6);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: center;
  gap: var(--space-3);
}

/* ==========================================================================
   CASE MODAL
   ========================================================================== */

.case-modal__content {
  max-width: 900px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}

.case-modal__header {
  padding: var(--space-8);
  border-bottom: 1px solid var(--color-border);
  position: relative;
}

.case-modal__category-badge {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: white;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--space-3);
  text-transform: capitalize;
}

.case-modal__title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0;
}

.case-modal__body {
  flex: 1;
  overflow-y: auto;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--space-8);
  padding: var(--space-8);
}

.case-modal__main {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.case-modal__section {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.case-modal__section-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary);
  margin: 0;
}

.case-modal__problem,
.case-modal__solution {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin: 0;
}

.case-modal__sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.case-modal__result-card {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  padding: var(--space-6);
  border-radius: 12px;
  color: white;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  box-shadow: 0 8px 24px rgba(1, 74, 133, 0.15);
}

.case-modal__result-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 8px;
}

.case-modal__result-label {
  font-size: 0.75rem;
  font-weight: 600;
  opacity: 0.9;
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.case-modal__result-value {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0;
  line-height: 1.2;
}

.case-modal__info {
  background: var(--color-surface-alt);
  padding: var(--space-6);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  border: 1px solid var(--color-border);
}

.case-modal__info-item {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}

.case-modal__info-item .icon {
  color: var(--color-primary);
  margin-top: 2px;
  flex-shrink: 0;
}

.case-modal__info-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: block;
  margin-bottom: var(--space-1);
}

.case-modal__info-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
}

.case-modal__footer {
  padding: var(--space-8);
  border-top: 1px solid var(--color-border);
}

@media (max-width: 1024px) {
  .case-modal__body {
    grid-template-columns: 1fr;
    gap: var(--space-4);
    padding: var(--space-6);
  }
}

@media (max-width: 768px) {
  .case-modal__content {
    max-width: 100%;
  }
  
  .case-modal__title {
    font-size: 1.5rem;
  }
  
  .case-modal__header {
    padding: var(--space-6);
  }
  
  .case-modal__body {
    padding: var(--space-4);
  }
  
  .case-modal__footer {
    padding: var(--space-6);
  }
}

/* Service Modal Styles */
.service-modal__content {
  max-width: 950px;
}

.service-modal__details {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--space-8);
}

.service-modal__description {
  line-height: var(--line-height-relaxed);
}

.service-modal__intro {
  font-size: var(--font-size-lg);
  color: var(--color-text);
  margin-bottom: var(--space-6);
  line-height: 1.7;
}

.service-modal__section {
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.service-modal__section:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.service-modal__section h4 {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-4);
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.service-modal__section h4 .icon {
  color: var(--color-primary);
  width: 18px;
  height: 18px;
}

.service-modal__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.service-modal__tags .tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-3);
  background: rgba(1, 74, 133, 0.08);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-fast);
}

.service-modal__tags .tag:hover {
  background: rgba(1, 74, 133, 0.15);
}

.service-modal__checklist {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.service-modal__checklist li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.service-modal__checklist li .icon {
  color: var(--color-secondary);
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
}

.service-modal__section > p {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin: 0;
}

.service-modal__description h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin: var(--space-4) 0 var(--space-2) 0;
  color: var(--color-primary);
}

.service-modal__description p {
  margin-bottom: var(--space-4);
  color: var(--color-text-muted);
}

.service-modal__description ul {
  list-style: none;
  padding: 0;
  margin-bottom: var(--space-4);
}

.service-modal__description ul li {
  padding: var(--space-2) 0;
  padding-left: var(--space-4);
  position: relative;
  color: var(--color-text-muted);
}

.service-modal__description ul li:before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
}

.service-modal__pricing {
  position: sticky;
  top: var(--space-6);
  align-self: start;
}

.service-modal__pricing-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-4);
  color: var(--color-text);
}

.service-modal__price-card {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  color: white;
  box-shadow: 0 10px 40px rgba(1, 74, 133, 0.3);
}

.service-modal__price {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.service-modal__price-amount {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  letter-spacing: -0.02em;
}

.service-modal__price-text {
  font-size: var(--font-size-sm);
  opacity: 0.85;
}

.service-modal__features {
  list-style: none;
  padding: 0;
  margin: 0;
}

.service-modal__feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  font-size: var(--font-size-sm);
}

.service-modal__feature .icon {
  color: #7dd3fc;
  flex-shrink: 0;
  width: 16px;
  height: 16px;
}

.service-modal__note {
  font-size: var(--font-size-xs);
  margin-top: var(--space-4);
  opacity: 0.75;
  font-style: italic;
  text-align: center;
}

@media (max-width: 768px) {
  .service-modal__details {
    grid-template-columns: 1fr;
  }
  
  .service-modal__pricing {
    position: static;
  }
  
  .service-modal__checklist {
    grid-template-columns: 1fr;
  }
}

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

@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2.5rem;
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.5rem;
  }
  
  .section {
    padding: var(--space-16) 0;
  }
  
  .section__header {
    margin-bottom: var(--space-10);
  }
  
  .hero__container {
    padding: var(--space-10) var(--space-6);
  }
  
  .hero__badges {
    flex-direction: column;
    align-items: center;
  }
  
  .pricing-card--featured {
    transform: none;
  }
  
  .pricing-card--featured:hover {
    transform: translateY(-4px);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-4);
  }
  
  .hero__ctas {
    flex-direction: column;
    width: 100%;
  }
  
  .hero__ctas .btn {
    width: 100%;
  }
  
  .portfolio__grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   ANIMACIONES
   ========================================================================== */

/* Counter animation */
.counter {
  display: inline-block;
}

/* Pulse effect */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.pulse {
  animation: pulse 2s infinite;
}

/* Slide up */
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Fade in */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Print styles */
@media print {
  .navbar,
  .hero__scroll,
  .btn,
  .footer {
    display: none;
  }
  
  .hero {
    min-height: auto;
    padding: var(--space-8);
  }
  
  .section {
    padding: var(--space-8) 0;
  }
}

/* ==========================================================================
   BOTÓN FLOTANTE WHATSAPP
   ========================================================================== */

.whatsapp-float {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  z-index: 999;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

.whatsapp-float__icon {
  width: 32px;
  height: 32px;
}

@media (max-width: 768px) {
  .whatsapp-float {
    bottom: var(--space-4);
    right: var(--space-4);
    width: 56px;
    height: 56px;
  }
  
  .whatsapp-float__icon {
    width: 28px;
    height: 28px;
  }
}