/* ==========================================================================
   VARIABLES Y SISTEMA DE DISEÑO
   ========================================================================== */
:root {
  --bg-primary: #FFFFFF;
  --bg-alt: #FAFAFA;
  --bg-soft-purple: #F5F3FF;
  --bg-dark: #111827;
  --bg-dark-card: #1F2937;
  
  --text-primary: #111827;
  --text-secondary: #6B7280;
  --text-muted: #9CA3AF;
  --text-white: #FFFFFF;
  
  --accent-primary: #6366F1;
  --accent-secondary: #8B5CF6;
  --accent-gradient: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
  --cta-gradient: linear-gradient(135deg, #4F46E5 0%, #7C3AED 100%);
  
  --border-color: #E5E7EB;
  --border-dark: #374151;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
  --shadow-card-hover: 0 14px 28px rgba(99, 102, 241, 0.08), 0 6px 12px rgba(0, 0, 0, 0.04);
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --font-main: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* ==========================================================================
   RESET Y ESTILOS 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-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

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

/* ==========================================================================
   LAYOUT Y CONTENEDORES
   ========================================================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

section {
  padding: 96px 0;
}

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

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

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

/* ==========================================================================
   TIPOGRAFÍA Y COMPONENTES REUTILIZABLES
   ========================================================================== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  background-color: var(--bg-soft-purple);
  color: var(--accent-primary);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
  border: 1px solid rgba(99, 102, 241, 0.15);
}

.section-header {
  max-width: 680px;
  margin: 0 auto 56px auto;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.section-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

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

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: var(--transition);
  white-space: nowrap;
}

.btn-sm {
  padding: 9px 18px;
  font-size: 0.875rem;
}

.btn-primary {
  background: var(--accent-gradient);
  color: var(--text-white);
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}

.btn-light {
  background-color: #FFFFFF;
  color: var(--accent-primary);
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
}

.btn-light:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
  background-color: #FAFAFA;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--text-primary);
  padding: 14px 18px;
}

.link-arrow:hover {
  color: var(--accent-primary);
  transform: translateX(3px);
}

/* ==========================================================================
   SECCIÓN 1: CABECERA Y NAVEGACIÓN
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--text-primary);
}

.logo-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--accent-gradient);
  color: var(--text-white);
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 28px;
  height: 24px;
  padding: 0;
  z-index: 110;
}

.hamburger-bar {
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ==========================================================================
   SECCIÓN 2: HERO
   ========================================================================== */
.hero-section {
  padding: 72px 0 96px 0;
  overflow: hidden;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 56px;
  align-items: center;
}

.hero-title {
  font-size: 3.75rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.hero-description {
  font-size: 1.2rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 40px;
}

.trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.check-icon {
  color: #10B981;
  font-weight: bold;
}

/* Hero Visual & UI Floating Scene */
.interface-scene {
  position: relative;
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
}

.main-interface-card {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.08), 0 0 0 1px rgba(0, 0, 0, 0.02);
  overflow: hidden;
  position: relative;
  z-index: 2;
}

.card-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background-color: #FAFAFA;
  border-bottom: 1px solid var(--border-color);
}

.window-dots {
  display: flex;
  gap: 6px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #E5E7EB;
}

.window-dots .dot:nth-child(1) { background-color: #FCA5A5; }
.window-dots .dot:nth-child(2) { background-color: #FCD34D; }
.window-dots .dot:nth-child(3) { background-color: #86EFAC; }

.interface-title {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
}

.status-pulse {
  width: 7px;
  height: 7px;
  background-color: #10B981;
  border-radius: 50%;
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
}

.status-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.card-conversation {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.chat-bubble {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
}

.bubble-meta {
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.user-bubble {
  background-color: #F3F4F6;
  color: var(--text-primary);
  align-self: flex-end;
  max-width: 85%;
  border-bottom-right-radius: 4px;
}

.user-bubble .bubble-meta {
  color: var(--text-secondary);
}

.ai-bubble {
  background-color: var(--bg-soft-purple);
  border: 1px solid rgba(99, 102, 241, 0.15);
  color: var(--text-primary);
  align-self: flex-start;
  width: 100%;
}

.ai-bubble .bubble-meta {
  color: var(--accent-primary);
}

.ai-avatar-badge {
  background: var(--accent-gradient);
  color: #FFFFFF;
  font-size: 0.625rem;
  padding: 2px 4px;
  border-radius: 4px;
}

.preview-content {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 10px;
}

.preview-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #FFFFFF;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(99, 102, 241, 0.12);
  font-size: 0.875rem;
  font-weight: 500;
}

.preview-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  background-color: var(--bg-soft-purple);
  color: var(--accent-primary);
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
}

/* Floating Chips Around Scene */
.floating-chip {
  position: absolute;
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  padding: 8px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-primary);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 3;
  animation: floatSlow 6s ease-in-out infinite;
}

.chip-1 { top: -20px; left: -20px; animation-delay: 0s; }
.chip-2 { top: 12%; right: -25px; animation-delay: 1.5s; }
.chip-3 { bottom: 25%; left: -30px; animation-delay: 3s; }
.chip-4 { bottom: -20px; right: 0px; animation-delay: 4.5s; }

@keyframes floatSlow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ==========================================================================
   SECCIÓN 3: INTRODUCCIÓN A LA IA (3 TARJETAS)
   ========================================================================== */
.cards-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: left;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(99, 102, 241, 0.3);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: var(--bg-soft-purple);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.feature-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.feature-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   SECCIÓN 4: APLICACIONES PRÁCTICAS (6 TARJETAS)
   ========================================================================== */
.cards-grid-6 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.app-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: var(--transition);
}

.app-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(99, 102, 241, 0.25);
}

.app-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background-color: var(--bg-soft-purple);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.app-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.app-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ==========================================================================
   SECCIÓN 5: HERRAMIENTAS DE IA
   ========================================================================== */
.tools-section {
  padding: 96px 0;
}

.tool-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition);
}

.tool-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(99, 102, 241, 0.3);
}

.tool-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: #111827;
  color: #FFFFFF;
  font-size: 0.8125rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
}

.tool-name {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

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

.disclaimer-text {
  max-width: 800px;
  margin: 48px auto 0 auto;
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   SECCIÓN 6: EJEMPLO PRÁCTICO DE CONVERSACIÓN
   ========================================================================== */
.conversation-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.steps-flow {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 36px;
}

.step-row {
  display: flex;
  align-items: center;
  gap: 16px;
  background-color: #FFFFFF;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.step-tag {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--accent-primary);
  background-color: var(--bg-soft-purple);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}

.step-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.demo-chat-box {
  background-color: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.chat-message {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.chat-message .msg-header {
  font-size: 0.75rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
}

.user-msg .msg-header {
  color: var(--text-secondary);
}

.user-msg .msg-body {
  background-color: #F3F4F6;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  color: var(--text-primary);
}

.ai-msg .msg-header {
  color: var(--accent-primary);
}

.demo-avatar {
  background: var(--accent-gradient);
  color: #FFFFFF;
  font-size: 0.625rem;
  font-weight: 800;
  padding: 2px 4px;
  border-radius: 4px;
}

.ai-msg .msg-body {
  background-color: var(--bg-soft-purple);
  border: 1px solid rgba(99, 102, 241, 0.15);
  padding: 16px 18px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  color: var(--text-primary);
}

.task-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 12px;
}

.task-entry {
  display: flex;
  align-items: center;
  gap: 10px;
  background-color: #FFFFFF;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(99, 102, 241, 0.1);
  font-size: 0.875rem;
  font-weight: 500;
}

.priority-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.priority-indicator.high { background-color: #EF4444; }
.priority-indicator.medium { background-color: #F59E0B; }
.priority-indicator.quick { background-color: #10B981; }
.priority-indicator.default { background-color: #6B7280; }

/* ==========================================================================
   SECCIÓN 7: ESTRUCTURA DE PROMPT
   ========================================================================== */
.cards-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.framework-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  transition: var(--transition);
}

.framework-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(99, 102, 241, 0.25);
}

.card-num {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent-primary);
  margin-bottom: 12px;
}

.framework-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

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

/* Prompt Box */
.prompt-box {
  background-color: var(--bg-dark);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  box-shadow: var(--shadow-lg);
}

.prompt-box-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-dark);
}

.prompt-box-label {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.btn-copy {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--bg-dark-card);
  color: #FFFFFF;
  border: 1px solid var(--border-dark);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 500;
  transition: var(--transition);
}

.btn-copy:hover {
  background-color: #374151;
  border-color: #4B5563;
}

.btn-copy.copied {
  background-color: #065F46;
  border-color: #059669;
  color: #A7F3D0;
}

.prompt-box-content p {
  color: #F3F4F6;
  font-size: 1.05rem;
  line-height: 1.6;
}

/* ==========================================================================
   SECCIÓN 8: IA DURANTE EL DÍA
   ========================================================================== */
.routine-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: var(--transition);
}

.routine-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(99, 102, 241, 0.25);
}

.routine-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background-color: var(--bg-soft-purple);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.routine-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

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

/* ==========================================================================
   SECCIÓN 9: PARA PRINCIPIANTES
   ========================================================================== */
.beginner-container {
  background-color: var(--bg-soft-purple);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-xl);
  padding: 64px 48px;
  text-align: center;
  max-width: 960px;
  margin: 0 auto;
}

.beginner-text {
  font-size: 1.125rem;
  color: #4B5563;
  line-height: 1.7;
  max-width: 720px;
  margin: 0 auto 36px auto;
}

.checklist-grid {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 32px;
}

.checklist-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.check-circle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background-color: #10B981;
  color: #FFFFFF;
  border-radius: 50%;
  font-size: 0.75rem;
}

/* ==========================================================================
   SECCIÓN 10: CONTENIDO EDUCATIVO (BLOG)
   ========================================================================== */
.article-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(99, 102, 241, 0.3);
}

.article-category {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-primary);
  margin-bottom: 12px;
}

.article-title {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.article-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
  flex-grow: 1;
}

.article-cta {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--accent-primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.article-cta:hover {
  gap: 8px;
}

/* ==========================================================================
   SECCIÓN 11: USO RESPONSABLE
   ========================================================================== */
.responsible-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 56px 48px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 36px;
  box-shadow: var(--shadow-sm);
}

.responsible-icon-wrapper {
  width: 56px;
  height: 56px;
  background-color: var(--bg-soft-purple);
  color: var(--accent-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.responsible-intro {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 28px;
}

.responsible-checklist {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.responsible-checklist li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: #374151;
}

.bullet-dot {
  width: 6px;
  height: 6px;
  background-color: var(--accent-primary);
  border-radius: 50%;
  margin-top: 9px;
  flex-shrink: 0;
}

/* ==========================================================================
   SECCIÓN 12: FINAL CTA
   ========================================================================== */
.final-cta-section {
  padding: 48px 0 96px 0;
}

.final-cta-card {
  background: var(--cta-gradient);
  border-radius: var(--radius-xl);
  padding: 72px 48px;
  text-align: center;
  color: #FFFFFF;
  box-shadow: 0 20px 40px -15px rgba(99, 102, 241, 0.4);
}

.cta-micro-badge {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  opacity: 0.9;
  margin-bottom: 20px;
}

.final-cta-title {
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.final-cta-description {
  font-size: 1.15rem;
  line-height: 1.6;
  opacity: 0.92;
  max-width: 680px;
  margin: 0 auto 36px auto;
}

/* ==========================================================================
   SECCIÓN 13: FOOTER
   ========================================================================== */
.site-footer {
  background-color: var(--bg-dark);
  color: #9CA3AF;
  padding: 80px 0 40px 0;
  border-top: 1px solid #1F2937;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 64px;
  margin-bottom: 56px;
}

.footer-summary {
  font-size: 0.9375rem;
  margin-top: 16px;
  max-width: 360px;
  color: #9CA3AF;
}

.footer-nav-groups {
  display: flex;
  gap: 64px;
}

.footer-col-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: #FFFFFF;
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 0.875rem;
  color: #9CA3AF;
}

.footer-links a:hover {
  color: #FFFFFF;
}

.footer-disclaimer {
  padding-top: 32px;
  border-top: 1px solid #1F2937;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: #6B7280;
  margin-bottom: 32px;
}

.footer-bottom {
  font-size: 0.8125rem;
  color: #6B7280;
}

/* ==========================================================================
   ANIMACIONES DE SCROLL REVEAL
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

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

/* ==========================================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================================================== */

/* Tablets (< 1024px) */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 3rem;
  }
  
  .section-title {
    font-size: 2.15rem;
  }
  
  .cards-grid-6 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .cards-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .hero-container,
  .conversation-container {
    gap: 40px;
  }
}

/* Mobile & Small Tablets (< 768px) */
@media (max-width: 768px) {
  section {
    padding: 64px 0;
  }

  /* Sticky Navigation Mobile */
  .nav-toggle {
    display: flex;
  }

  .primary-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background-color: #FFFFFF;
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    gap: 20px;
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s ease;
  }

  .primary-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    gap: 16px;
  }

  .nav-link {
    font-size: 1.05rem;
    display: block;
    width: 100%;
    padding: 6px 0;
  }

  .nav-cta-wrapper {
    width: 100%;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
  }

  .nav-cta-wrapper .btn {
    width: 100%;
  }

  /* Hamburger Animado */
  .nav-toggle.is-active .hamburger-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-toggle.is-active .hamburger-bar:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.is-active .hamburger-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  /* Hero Mobile */
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 48px;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-description {
    font-size: 1.05rem;
  }

  .hero-actions {
    justify-content: center;
  }

  .trust-list {
    justify-content: center;
    gap: 14px;
  }

  .interface-scene {
    max-width: 100%;
  }

  .floating-chip {
    display: none; /* Se ocultan en móvil para evitar desbordes */
  }

  /* Conversión de Grillas a 1 columna */
  .cards-grid-3,
  .cards-grid-4,
  .cards-grid-6,
  .conversation-container {
    grid-template-columns: 1fr;
  }

  .section-title {
    font-size: 1.85rem;
  }

  .final-cta-title {
    font-size: 2rem;
  }

  .responsible-card {
    grid-template-columns: 1fr;
    padding: 36px 24px;
  }

  .beginner-container {
    padding: 48px 24px;
  }

  .checklist-grid {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    max-width: 320px;
    margin: 0 auto;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-nav-groups {
    gap: 40px;
  }
}

/* Accesibilidad: Reducción de movimiento */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .floating-chip {
    animation: none !important;
  }

  .btn-primary:hover,
  .btn-light:hover,
  .feature-card:hover,
  .app-card:hover,
  .tool-card:hover,
  .framework-card:hover,
  .routine-card:hover,
  .article-card:hover {
    transform: none !important;
  }
}