/* ==========================================================================
   YouBrain.pro — Landing Page Design System (Neural Glassmorphism)
   ========================================================================== */

:root {
  --bg-canvas: #f8fafc;
  --bg-surface-glass: rgba(255, 255, 255, 0.85);
  --bg-surface-glass-nested: rgba(255, 255, 255, 0.65);
  --bg-surface-hover: rgba(255, 255, 255, 0.98);
  --border-glass: rgba(226, 232, 240, 0.85);
  --border-glow: rgba(99, 102, 241, 0.25);
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  --accent-primary: #6366f1;
  --accent-secondary: #8b5cf6;
  --accent-cyan: #06b6d4;
  --accent-success: #10b981;
  --accent-warning: #f59e0b;
  --accent-danger: #ef4444;

  --shadow-glass: 0 24px 48px -12px rgba(99, 102, 241, 0.08), 0 0 1px 1px rgba(255, 255, 255, 0.9) inset;
  --shadow-card: 0 10px 30px -10px rgba(15, 23, 42, 0.05);
  --shadow-hover: 0 20px 40px -10px rgba(99, 102, 241, 0.16);
  
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --radius-pill: 9999px;
  
  --font-main: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

[data-theme="dark"] {
  --bg-canvas: #070710;
  --bg-surface-glass: rgba(16, 16, 28, 0.88);
  --bg-surface-glass-nested: rgba(24, 24, 40, 0.75);
  --bg-surface-hover: rgba(30, 30, 52, 0.95);
  --border-glass: rgba(255, 255, 255, 0.12);
  --border-glow: rgba(99, 102, 241, 0.45);
  
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  
  --shadow-glass: 0 24px 48px -12px rgba(0, 0, 0, 0.6), 0 0 1px 1px rgba(255, 255, 255, 0.1) inset;
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --shadow-hover: 0 20px 40px -10px rgba(99, 102, 241, 0.35);
}

/* Botones en Modo Oscuro */
[data-theme="dark"] .btn-primary {
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%) !important;
  color: #ffffff !important;
  box-shadow: 0 10px 28px rgba(99, 102, 241, 0.45);
}

[data-theme="dark"] .btn-primary:hover {
  background: linear-gradient(135deg, #4338ca 0%, #6d28d9 100%) !important;
  box-shadow: 0 14px 34px rgba(99, 102, 241, 0.6);
  transform: translateY(-2px);
}

[data-theme="dark"] .btn-secondary,
[data-theme="dark"] .btn-dashboard-link {
  background: rgba(255, 255, 255, 0.08);
  color: #f8fafc;
  border-color: rgba(255, 255, 255, 0.15);
}

[data-theme="dark"] .btn-secondary:hover,
[data-theme="dark"] .btn-dashboard-link:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: var(--accent-primary);
  color: #ffffff;
}

[data-theme="dark"] .navbar {
  background: rgba(12, 12, 22, 0.88);
}

[data-theme="dark"] .brand-logo-wrapper {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
}

[data-theme="dark"] .creator-tab {
  background: rgba(24, 24, 40, 0.8);
  border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .creator-tab:hover,
[data-theme="dark"] .creator-tab.active {
  background: #1e1e34;
  border-color: var(--accent-primary);
}

[data-theme="dark"] .prompt-chip-btn {
  background: rgba(99, 102, 241, 0.15);
  border-color: rgba(99, 102, 241, 0.35);
  color: #c7d2fe;
}

[data-theme="dark"] .prompt-chip-btn:hover {
  background: var(--accent-primary);
  color: #ffffff;
}

[data-theme="dark"] .chat-mockup-header {
  background: rgba(16, 16, 28, 0.95);
}

[data-theme="dark"] .chat-messages-body {
  background: rgba(10, 10, 18, 0.75);
}

[data-theme="dark"] .chat-source-badge {
  background: rgba(66, 133, 244, 0.18);
  color: #93c5fd;
}

[data-theme="dark"] .sim-extract-link {
  background: rgba(99, 102, 241, 0.18);
  border-color: rgba(99, 102, 241, 0.35);
  color: #c7d2fe;
}

[data-theme="dark"] .msg-ai .msg-content {
  background: #1a1a2e;
  border-color: rgba(255, 255, 255, 0.12);
  color: #f1f5f9;
}

[data-theme="dark"] .msg-user .msg-content {
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%) !important;
  color: #ffffff !important;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.45);
}

[data-theme="dark"] .msg-user .msg-content p {
  color: #ffffff !important;
}

[data-theme="dark"] .comparison-table th {
  background: rgba(24, 24, 40, 0.85);
}

[data-theme="dark"] .comparison-table td.td-youbrain {
  background: rgba(99, 102, 241, 0.15);
}

/* Tarjeta Comunidad en Modo Oscuro */
[data-theme="dark"] .community-landing-card {
  background: rgba(20, 20, 36, 0.85) !important;
  border-color: rgba(99, 102, 241, 0.4) !important;
  box-shadow: 0 24px 54px -10px rgba(99, 102, 241, 0.25) !important;
}

[data-theme="dark"] .community-features-list {
  background: rgba(255, 255, 255, 0.03) !important;
  border-color: rgba(255, 255, 255, 0.08) !important;
}

[data-theme="dark"] .community-feature-item {
  color: #cbd5e1 !important;
}

[data-theme="dark"] .community-feature-item strong {
  color: #f8fafc !important;
}

[data-theme="dark"] .btn-community-coffee {
  background: rgba(99, 102, 241, 0.15) !important;
  color: #c7d2fe !important;
  border-color: rgba(99, 102, 241, 0.4) !important;
}

[data-theme="dark"] .btn-community-coffee:hover {
  background: rgba(99, 102, 241, 0.28) !important;
  color: #ffffff !important;
  border-color: rgba(99, 102, 241, 0.7) !important;
}

/* Final CTA & Footer en Modo Oscuro */
[data-theme="dark"] .final-cta-section {
  background: linear-gradient(135deg, rgba(30, 27, 75, 0.7) 0%, rgba(15, 15, 28, 0.95) 100%) !important;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

[data-theme="dark"] .final-cta-title {
  color: #f8fafc;
}

[data-theme="dark"] .final-cta-desc {
  color: #cbd5e1;
}

[data-theme="dark"] .footer-wrapper {
  background: rgba(8, 8, 16, 0.95);
  border-top-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .footer-tagline,
[data-theme="dark"] .footer-col a,
[data-theme="dark"] .footer-bottom p {
  color: #94a3b8;
}

[data-theme="dark"] .footer-col strong {
  color: #f8fafc;
}

[data-theme="dark"] .footer-col a:hover {
  color: #ffffff;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 110px;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Orbes etéreos de fondo */
.glow-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(140px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.45;
}

.orb-1 {
  width: 650px;
  height: 650px;
  top: -100px;
  left: -100px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.35) 0%, rgba(6, 182, 212, 0.15) 70%);
}

.orb-2 {
  width: 700px;
  height: 700px;
  top: 35%;
  right: -150px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.3) 0%, rgba(99, 102, 241, 0.12) 70%);
}

.orb-3 {
  width: 600px;
  height: 600px;
  bottom: 0;
  left: 20%;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.25) 0%, rgba(99, 102, 241, 0.1) 70%);
}

/* Glass Panels */
.glass-panel {
  background: var(--bg-surface-glass);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-glass);
}

.glass-panel-nested {
  background: var(--bg-surface-glass-nested);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

/* ==========================================================================
   Barra de Navegación Sticky
   ========================================================================== */
.navbar-wrapper {
  position: sticky;
  top: 14px;
  z-index: 1000;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}

.navbar {
  padding: 10px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.brand-container {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-logo-wrapper {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.brand-logo-img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

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

.brand-title {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1.1;
}

.brand-title span {
  color: var(--accent-primary);
}

.brand-badge-pill {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
}

.nav-links-desktop {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-link {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  white-space: nowrap;
  padding: 6px 2px;
  transition: color 0.2s;
}

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

.nav-cta-group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.btn-dashboard-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--border-glass);
  white-space: nowrap;
  transition: all 0.2s;
}

.btn-dashboard-link:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.btn-nav-cta {
  padding: 9px 18px !important;
  font-size: 13px !important;
  white-space: nowrap !important;
}

/* Botones Principales */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  font-family: var(--font-main);
  font-size: 14px;
  font-weight: 700;
  color: #ffffff;
  background: var(--text-primary);
  border: none;
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.18);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary:hover {
  transform: translateY(-2px);
  background: #1e1b4b;
  box-shadow: 0 14px 30px rgba(99, 102, 241, 0.3);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  font-family: var(--font-main);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.9);
  border: 1.5px solid var(--border-glass);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
}

.btn-secondary:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.1);
}

/* ==========================================================================
   Contenedor Principal & Secciones
   ========================================================================== */
.main-wrapper {
  position: relative;
  z-index: 1;
  max-width: 1180px;
  margin: 0 auto;
  padding: 48px 20px 140px;
  display: flex;
  flex-direction: column;
  gap: 160px;
}

.section-container,
section[id] {
  display: flex;
  flex-direction: column;
  gap: 52px;
  padding: 48px 0;
  scroll-margin-top: 110px;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.section-tag {
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent-primary);
  background: rgba(99, 102, 241, 0.08);
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(99, 102, 241, 0.18);
}

.section-title {
  font-size: 34px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1.25;
  text-wrap: balance;
}

.section-desc {
  font-size: 15.5px;
  color: var(--text-secondary);
  line-height: 1.6;
  text-wrap: pretty;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  padding: 56px 0 48px;
  min-height: calc(100vh - 120px);
}

.hero-tag-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent-primary);
  background: rgba(99, 102, 241, 0.08);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-primary);
  box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.6);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.6); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(99, 102, 241, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(99, 102, 241, 0); }
}

.hero-headline {
  font-size: clamp(32px, 4.2vw, 48px);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.22;
  max-width: 1040px;
  width: 100%;
  color: var(--text-primary);
}

.gradient-text {
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #06b6d4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subheadline {
  font-size: 17.5px;
  color: var(--text-secondary);
  max-width: 680px;
  line-height: 1.62;
}

.hero-subheadline strong {
  color: var(--text-primary);
  font-weight: 700;
}

.hero-cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 12px;
  margin-bottom: 36px;
}

.hero-btn-main {
  padding: 16px 36px;
  font-size: 15.5px;
}

.hero-btn-demo {
  padding: 16px 28px;
  font-size: 15.5px;
}

/* Trust Bar */
.trust-bar {
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 20px 32px;
  width: 100%;
  max-width: 900px;
  margin-top: 0;
  margin-bottom: 24px;
}

.trust-metric {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.trust-num {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}

.trust-label {
  font-size: 12px;
  color: var(--text-secondary);
}

.trust-divider {
  width: 1px;
  height: 36px;
  background: var(--border-glass);
}

/* Compatibility */
.compatibility-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-top: 36px;
}

.compat-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.compat-chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.compat-chip {
  font-size: 13.5px;
  font-weight: 600;
  padding: 8px 18px;
  background: rgba(255, 255, 255, 0.9);
  border: 1.5px solid var(--border-glass);
  border-radius: var(--radius-pill);
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.03);
  transition: all 0.25s ease;
}

.compat-chip:hover {
  transform: translateY(-2px);
  border-color: var(--accent-primary);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.12);
}

.ai-logo-img {
  width: 22px;
  height: 22px;
  object-fit: contain;
  flex-shrink: 0;
}

[data-theme="dark"] .compat-chip {
  background: rgba(24, 24, 40, 0.85);
  border-color: rgba(255, 255, 255, 0.12);
  color: #f8fafc;
}

[data-theme="dark"] .compat-chip:hover {
  background: #1e1e34;
  border-color: var(--accent-primary);
}

/* Indicador de Scroll Animado (Flechita Glow) */
.hero-scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 52px;
  color: var(--accent-primary);
  text-decoration: none;
  cursor: pointer;
  user-select: none;
}

.scroll-arrow-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(99, 102, 241, 0.08);
  border: 1.5px solid rgba(99, 102, 241, 0.35);
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.25);
  animation: scrollBounceGlow 2.4s infinite cubic-bezier(0.45, 0.05, 0.55, 0.95);
  transition: all 0.3s ease;
}

.hero-scroll-indicator:hover .scroll-arrow-circle {
  background: var(--accent-primary);
  color: #ffffff;
  border-color: var(--accent-primary);
  box-shadow: 0 0 32px rgba(99, 102, 241, 0.65);
  transform: scale(1.12);
}

[data-theme="dark"] .scroll-arrow-circle {
  background: rgba(99, 102, 241, 0.15);
  border-color: rgba(99, 102, 241, 0.5);
  box-shadow: 0 0 24px rgba(99, 102, 241, 0.4);
  color: #c7d2fe;
}

@keyframes scrollBounceGlow {
  0%, 100% {
    transform: translateY(0);
    box-shadow: 0 0 16px rgba(99, 102, 241, 0.2);
  }
  50% {
    transform: translateY(10px);
    box-shadow: 0 0 32px rgba(99, 102, 241, 0.6), 0 8px 18px rgba(99, 102, 241, 0.25);
  }
}

/* ==========================================================================
   Simulador del Cerebro del Creador
   ========================================================================== */
.simulator-card {
  padding: 28px 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.creator-selector-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.creator-tab {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border-glass);
  background: rgba(255, 255, 255, 0.75);
  cursor: pointer;
  text-align: left;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.creator-tab:hover {
  background: #ffffff;
  border-color: var(--accent-primary);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(99, 102, 241, 0.1);
}

.creator-tab.active {
  background: #ffffff;
  border-color: var(--accent-primary);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.16);
}

.creator-3d-avatar {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(99, 102, 241, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.9);
}

.creator-meta {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.creator-meta strong {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.creator-meta span {
  font-size: 11px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sim-extract-link {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--accent-primary);
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.2);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.sim-extract-link:hover {
  background: var(--accent-primary);
  color: #ffffff;
}

.suggested-prompts-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 4px 0;
}

.prompts-label {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.chat-mockup-container {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-glass);
}

.chat-mockup-header {
  padding: 14px 22px;
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid var(--border-glass);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chat-header-info {
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-success);
}

.chat-header-info strong {
  font-size: 13.5px;
  color: var(--text-primary);
}

.chat-source-badge {
  font-size: 11px;
  font-weight: 700;
  color: #1a73e8;
  background: rgba(26, 115, 232, 0.08);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}

.chat-messages-body {
  padding: 24px;
  min-height: 300px;
  max-height: 440px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 18px;
  background: rgba(248, 250, 252, 0.6);
}

.chat-msg {
  display: flex;
  gap: 12px;
  max-width: 85%;
}

.chat-msg.msg-ai {
  align-self: flex-start;
  margin-right: auto;
}

.chat-msg.msg-user {
  align-self: flex-end;
  margin-left: auto;
  flex-direction: row-reverse;
  text-align: left;
}

.chat-avatar-3d {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(99, 102, 241, 0.15);
}

.msg-content {
  padding: 12px 18px;
  border-radius: 16px;
  font-size: 13.5px;
  line-height: 1.55;
}

.msg-ai .msg-content {
  background: #ffffff;
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  border-top-left-radius: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.msg-user .msg-content {
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%) !important;
  color: #ffffff !important;
  border-top-right-radius: 4px;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.35);
}

.msg-user .msg-content p {
  color: #ffffff !important;
}

.citation-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent-primary);
  margin-top: 8px;
}

[data-theme="dark"] .citation-tag {
  background: rgba(99, 102, 241, 0.2);
  color: #c7d2fe;
}

/* Bandeja Inferior de Preguntas Integrada al Chat */
.chat-prompts-tray {
  padding: 16px 20px 20px;
  background: #ffffff;
  border-top: 1px solid var(--border-glass);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

[data-theme="dark"] .chat-prompts-tray {
  background: #10101c;
  border-top-color: rgba(255, 255, 255, 0.1);
}

.prompts-tray-header {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

[data-theme="dark"] .prompts-tray-header {
  color: #94a3b8;
}

.prompt-chips-container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.prompt-chip-btn {
  font-family: var(--font-main);
  font-size: 12.5px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  background: rgba(99, 102, 241, 0.07);
  border: 1.5px solid rgba(99, 102, 241, 0.2);
  color: var(--accent-primary);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  gap: 7px;
  text-align: left;
}

.prompt-chip-btn:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(99, 102, 241, 0.2);
}

.prompt-chip-btn.active {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #ffffff;
  box-shadow: 0 6px 16px rgba(99, 102, 241, 0.25);
}

[data-theme="dark"] .prompt-chip-btn {
  background: rgba(99, 102, 241, 0.15);
  border-color: rgba(99, 102, 241, 0.35);
  color: #c7d2fe;
}

[data-theme="dark"] .prompt-chip-btn:hover,
[data-theme="dark"] .prompt-chip-btn.active {
  background: var(--accent-primary);
  color: #ffffff;
}



/* ==========================================================================
   Comparativa Unificada (Matriz de Diferenciación)
   ========================================================================== */
.section-comparison {
  padding: 40px 0;
}

.comparison-table-container {
  overflow-x: auto;
  border-radius: var(--radius-xl);
  box-shadow: 0 16px 40px rgba(99, 102, 241, 0.08);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14.5px;
}

.comparison-table th,
.comparison-table td {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-glass);
}

.comparison-table th {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.6);
}

.comparison-table .th-feature {
  width: 34%;
}

.comparison-table .th-others {
  width: 33%;
  color: var(--text-secondary);
}

.comparison-table .th-youbrain {
  width: 33%;
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent-primary);
  border-left: 1px solid rgba(99, 102, 241, 0.2);
  border-right: 1px solid rgba(99, 102, 241, 0.2);
}

.comparison-table td.td-youbrain {
  background: rgba(99, 102, 241, 0.04);
  border-left: 1px solid rgba(99, 102, 241, 0.15);
  border-right: 1px solid rgba(99, 102, 241, 0.15);
  font-weight: 600;
  color: var(--text-primary);
}

.comparison-table td.td-others {
  color: var(--text-muted);
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.table-status-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  margin-right: 8px;
  vertical-align: middle;
}

.icon-check-circle {
  background: rgba(16, 185, 129, 0.12);
  color: var(--accent-success);
}

.icon-cross-circle {
  background: rgba(239, 68, 68, 0.12);
  color: var(--accent-danger);
}

/* ==========================================================================
   Cómo Funciona (3 Pasos con Iconos 3D Iridiscentes)
   ========================================================================== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.step-card {
  padding: 38px 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 14px;
  border-radius: var(--radius-xl);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  border: 1px solid var(--border-glass);
}

.step-card:hover {
  transform: translateY(-8px);
  border-color: rgba(99, 102, 241, 0.35);
  box-shadow: 0 20px 48px rgba(99, 102, 241, 0.14);
}

.step-icon-wrapper-3d {
  width: 84px;
  height: 84px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
  background: transparent;
  border: none;
  box-shadow: none;
  padding: 0;
}

.icon-3d-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 10px 22px rgba(99, 102, 241, 0.25));
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), filter 0.35s ease;
}

.step-card:hover .icon-3d-img,
.use-case-card:hover .icon-3d-img {
  transform: scale(1.15) translateY(-4px);
  filter: drop-shadow(0 16px 30px rgba(99, 102, 241, 0.45));
}

.step-number-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--accent-primary);
  background: rgba(99, 102, 241, 0.08);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.5px;
}

.step-title {
  font-size: 19px;
  font-weight: 800;
  color: var(--text-primary);
}

.step-desc {
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   Casos de Uso (4 Tarjetas con Iconos 3D Iridiscentes)
   ========================================================================== */
.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.use-case-card {
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
  border-radius: var(--radius-lg);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid var(--border-glass);
}

.use-case-card:hover {
  transform: translateY(-8px);
  border-color: rgba(99, 102, 241, 0.35);
  box-shadow: 0 16px 36px rgba(99, 102, 241, 0.12);
}

.uc-icon-wrapper-3d {
  width: 76px;
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
  background: transparent;
  border: none;
  box-shadow: none;
  padding: 0;
}

.uc-title {
  font-size: 16.5px;
  font-weight: 700;
  color: var(--text-primary);
}

.uc-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ==========================================================================
   Animaciones Scroll Reveal (Efecto WOW)
   ========================================================================== */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Aulibre Top Banner
   ========================================================================== */
.aulibre-banner {
  width: 100%;
  background: linear-gradient(90deg, rgba(79, 70, 229, 0.08) 0%, rgba(236, 72, 153, 0.08) 50%, rgba(79, 70, 229, 0.08) 100%);
  border-bottom: 1px solid rgba(79, 70, 229, 0.12);
  padding: 8px 16px;
  text-align: center;
  position: relative;
  z-index: 100;
}

.aulibre-banner-content {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-secondary);
}

.aulibre-link {
  color: var(--accent-primary);
  font-weight: 700;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  transition: all 0.2s ease;
}

.aulibre-link:hover {
  color: var(--accent-hover);
  text-decoration: underline;
  transform: translateX(2px);
}

/* ==========================================================================
   Sección Comunidad & 100% Libre
   ========================================================================== */
#comunidad {
  padding: 60px 0;
}

.section-desc-narrow {
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.6;
}

.community-landing-card {
  max-width: 720px;
  margin: 0 auto;
  padding: 36px 40px;
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(99, 102, 241, 0.2);
  box-shadow: 0 20px 48px -10px rgba(99, 102, 241, 0.12);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.community-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: #059669;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.25);
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 14px;
}

.community-card-title {
  font-size: 26px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 10px;
  line-height: 1.25;
}

.community-card-desc {
  font-size: 14.5px;
  color: var(--text-secondary);
  line-height: 1.55;
  max-width: 520px;
  margin: 0 auto 24px;
}

.community-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-align: left;
  margin: 0 auto 28px;
  max-width: 560px;
  padding: 18px 22px;
  background: rgba(15, 23, 42, 0.02);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
}

.community-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.feature-icon-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.15);
  color: #059669;
  font-weight: 800;
  font-size: 11px;
  flex-shrink: 0;
  margin-top: 1px;
}

.feature-content-wrap strong {
  color: var(--text-primary);
  font-weight: 700;
}

.community-cta-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.btn-community-main {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  font-size: 14.5px;
  font-weight: 700;
  border-radius: var(--radius-pill);
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(79, 70, 229, 0.25);
  transition: all 0.2s ease;
}

.btn-community-coffee {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  font-size: 14.5px;
  font-weight: 700;
  border-radius: var(--radius-pill);
  text-decoration: none;
  background: rgba(99, 102, 241, 0.08);
  color: var(--accent-primary);
  border: 1px solid rgba(99, 102, 241, 0.3);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.08);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-community-coffee:hover {
  background: rgba(99, 102, 241, 0.16);
  color: var(--accent-hover);
  border-color: rgba(99, 102, 241, 0.5);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.2);
}

@media (max-width: 768px) {
  .community-landing-card {
    padding: 24px 18px;
  }
  .community-cta-row {
    flex-direction: column;
  }
  .btn-community-main, .btn-community-coffee {
    width: 100%;
    justify-content: center;
  }
}

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 800px;
  margin: 0 auto;
  width: 100%;
}

.faq-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  padding: 0;
  transition: all 0.25s ease;
}

.faq-item:hover {
  border-color: rgba(99, 102, 241, 0.35);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 16.5px;
  font-weight: 700;
  color: var(--text-primary);
  cursor: pointer;
  list-style: none;
  padding: 20px 24px;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-chevron {
  font-size: 20px;
  color: var(--accent-primary);
  transition: transform 0.25s ease;
}

details[open] .faq-chevron {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 24px 22px;
  font-size: 14.5px;
  color: var(--text-secondary);
  line-height: 1.65;
}

.faq-answer p {
  margin: 0;
}

#preguntas {
  padding: 60px 0;
}

/* Prompt para enviar consulta directa en Preguntas */
.faq-ask-prompt {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  max-width: 800px;
  margin: 32px auto 0;
  padding: 20px 28px;
  border-radius: var(--radius-lg);
  background: rgba(99, 102, 241, 0.04);
  border: 1px dashed rgba(99, 102, 241, 0.3);
}

.faq-ask-content {
  display: flex;
  align-items: center;
  gap: 16px;
}

.faq-ask-icon {
  font-size: 28px;
  flex-shrink: 0;
}

.faq-ask-text strong {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.faq-ask-text p {
  font-size: 13.5px;
  color: var(--text-secondary);
  margin: 0;
}

.btn-ask-question {
  flex-shrink: 0;
  padding: 10px 20px;
  font-size: 13.5px;
  font-weight: 700;
  border-radius: var(--radius-pill);
}

@media (max-width: 640px) {
  .faq-ask-prompt {
    flex-direction: column;
    text-align: center;
    gap: 16px;
  }
  .faq-ask-content {
    flex-direction: column;
  }
  .btn-ask-question {
    width: 100%;
    justify-content: center;
  }
}

/* ==========================================================================
   Modal Overlay & Card
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 1000;
  opacity: 1;
  visibility: visible;
  transition: all 0.25s ease;
}

.modal-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.modal-card {
  width: 100%;
  max-width: 520px;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  box-shadow: 0 25px 60px -15px rgba(15, 23, 42, 0.3);
  padding: 28px 32px;
  position: relative;
  animation: modalPop 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalPop {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-subtle);
}

.modal-title-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.modal-badge-pill {
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--accent-primary);
  background: rgba(99, 102, 241, 0.1);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  align-self: flex-start;
}

.modal-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-primary);
}

.modal-close-btn {
  background: none;
  border: none;
  font-size: 26px;
  line-height: 1;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  transition: color 0.15s;
}

.modal-close-btn:hover {
  color: var(--text-primary);
}

/* Form Styles inside Modal */
.ask-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: left;
}

.form-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
}

.form-input, .form-textarea {
  width: 100%;
  padding: 12px 14px;
  font-family: inherit;
  font-size: 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-card);
  background: rgba(255, 255, 255, 0.9);
  color: var(--text-primary);
  transition: all 0.2s;
}

.form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.form-hint {
  font-size: 11.5px;
  color: var(--text-muted);
}

.btn-submit-ask {
  width: 100%;
  justify-content: center;
  padding: 13px;
  font-size: 15px;
  margin-top: 6px;
}

.ask-success-box {
  text-align: center;
  padding: 20px 10px;
}

.ask-success-icon {
  font-size: 44px;
  margin-bottom: 12px;
}

.ask-success-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.ask-success-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Dark Mode Modal */
[data-theme="dark"] .modal-card {
  background: rgba(20, 20, 36, 0.96);
  border-color: rgba(255, 255, 255, 0.12);
}

[data-theme="dark"] .form-input,
[data-theme="dark"] .form-textarea {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.12);
  color: #f8fafc;
}

/* ==========================================================================
   Banner Final CTA
   ========================================================================== */
.final-cta-section {
  padding: 72px 40px;
  margin: 40px 0 20px;
  text-align: center;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(241, 245, 249, 0.8));
}

.final-cta-content {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}

.final-cta-title {
  font-size: 34px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.final-cta-desc {
  font-size: 16px;
  color: var(--text-secondary);
}

.final-cta-btns {
  margin-top: 8px;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer-wrapper {
  border-top: 1px solid var(--border-glass);
  background: rgba(255, 255, 255, 0.7);
  padding: 48px 20px 24px;
  margin-top: 60px;
}

.footer-content {
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 40px;
}

.footer-brand {
  max-width: 380px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-tagline {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.footer-links {
  display: flex;
  gap: 48px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-col strong {
  font-size: 13px;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.footer-col a {
  font-size: 13px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

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

.footer-bottom {
  max-width: 1140px;
  margin: 32px auto 0;
  padding-top: 20px;
  border-top: 1px solid var(--border-glass);
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
}

/* ==========================================================================
   RESPONSIVIDAD TOTAL (Tablets, iPads y Smartphones)
   ========================================================================== */
@media (max-width: 1024px) {
  .creator-selector-bar {
    grid-template-columns: repeat(2, 1fr);
  }
  .use-cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .navbar-wrapper {
    top: 8px;
    padding: 0 12px;
  }
  .navbar {
    padding: 8px 14px;
    flex-wrap: nowrap;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
  }
  .brand-logo-wrapper {
    width: 32px;
    height: 32px;
  }
  .brand-logo-img {
    width: 22px;
    height: 22px;
  }
  .brand-title {
    font-size: 16.5px;
  }
  .brand-badge-pill {
    display: none;
  }
  .nav-links-desktop {
    display: none;
  }
  .btn-nav-cta {
    padding: 8px 14px !important;
    font-size: 12px !important;
  }
  .btn-nav-cta svg {
    width: 15px;
    height: 15px;
  }
  .hero-headline {
    font-size: 28px;
  }
  .hero-subheadline {
    font-size: 15px;
  }
  .trust-bar {
    flex-direction: column;
    gap: 12px;
    padding: 16px;
  }
  .trust-divider {
    display: none;
  }
  .comparison-grid {
    grid-template-columns: 1fr;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .use-cases-grid {
    grid-template-columns: 1fr;
  }
  .creator-selector-bar {
    grid-template-columns: 1fr;
  }
  .footer-content {
    flex-direction: column;
    gap: 24px;
  }
  .footer-links {
    flex-direction: column;
    gap: 16px;
  }
}

/* ==========================================================================
   Botón Flotante Modo Claro / Oscuro (Abajo a la Izquierda)
   ========================================================================== */
.floating-theme-toggle {
  position: fixed;
  bottom: 24px;
  left: 24px;
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  background: var(--bg-surface-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1.5px solid var(--border-glass);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
}

.floating-theme-toggle:hover {
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 16px 36px rgba(99, 102, 241, 0.25);
  border-color: var(--accent-primary);
}

.floating-theme-toggle svg {
  color: var(--accent-primary);
  flex-shrink: 0;
  transition: transform 0.4s ease;
}

.floating-theme-toggle:hover svg {
  transform: rotate(25deg);
}

.floating-theme-text {
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

@media (max-width: 640px) {
  .floating-theme-toggle {
    bottom: 16px;
    left: 16px;
    padding: 9px 12px;
  }
  .floating-theme-text {
    font-size: 11.5px;
  }
}