/* ═══════════════════════════════════════════════════════════════════════════
   NUBIA - Tecnología con Alma Humana
   Sistema de Diseño Visual v2.0
   ═══════════════════════════════════════════════════════════════════════════ */

/* ─────────────────────────────────────────────────────────────────────────────
   🎨 SISTEMA DE VARIABLES Y COLORES POR MODO
   ───────────────────────────────────────────────────────────────────────────── */
:root {
  /* Colores base */
  --bg-deep: #030712;
  --bg-primary: #0a0f1a;
  --bg-secondary: #111827;
  --bg-card: #1a1f2e;
  --bg-elevated: #242938;
  
  /* Colores de texto */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  /* Acento principal - Cian Nubia */
  --accent-primary: #00d4ff;
  --accent-secondary: #0ea5e9;
  --accent-warm: #ff9f43;
  
  /* Sistema de colores por MODO */
  --mode-tree: #39ff14;
  --mode-tree-glow: rgba(57, 255, 20, 0.4);
  --mode-tree-soft: rgba(57, 255, 20, 0.1);
  
  --mode-shock: #a855f7;
  --mode-shock-glow: rgba(168, 85, 247, 0.4);
  --mode-shock-soft: rgba(168, 85, 247, 0.1);
  
  --mode-analytic: #e2e8f0;
  --mode-analytic-glow: rgba(226, 232, 240, 0.3);
  --mode-analytic-soft: rgba(226, 232, 240, 0.08);
  
  --mode-friendly: #fbbf24;
  --mode-friendly-glow: rgba(251, 191, 36, 0.4);
  --mode-friendly-soft: rgba(251, 191, 36, 0.1);
  
  --mode-secure: #3b82f6;
  --mode-secure-glow: rgba(59, 130, 246, 0.4);
  --mode-secure-soft: rgba(59, 130, 246, 0.1);
  
  --mode-pro: #ef4444;
  --mode-pro-glow: rgba(239, 68, 68, 0.4);
  --mode-pro-soft: rgba(239, 68, 68, 0.1);
  
  /* Layout */
  --header-height: 80px;
  --container-max: 1400px;
  --border-radius: 16px;
  --border-radius-lg: 24px;
  --border-radius-xl: 32px;
  
  /* Transiciones */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
  
  /* Sombras */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(0, 212, 255, 0.3);
}

/* ─────────────────────────────────────────────────────────────────────────────
   🔧 RESET Y BASE
   ───────────────────────────────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: 'DM Sans', 'Segoe UI', system-ui, sans-serif;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--bg-deep);
  padding-top: var(--header-height);
  overflow-x: hidden;
  min-height: 100vh;
}

/* Fondo con patrón de circuitos sutiles */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(0, 212, 255, 0.15), transparent),
    radial-gradient(ellipse 60% 40% at 80% 100%, rgba(168, 85, 247, 0.1), transparent),
    radial-gradient(ellipse 50% 30% at 20% 80%, rgba(57, 255, 20, 0.08), transparent);
  pointer-events: none;
  z-index: -1;
}

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

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

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ─────────────────────────────────────────────────────────────────────────────
   ✨ TIPOGRAFÍA FUTURISTA
   ───────────────────────────────────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Orbitron', 'Rajdhani', sans-serif;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-primary) 50%, var(--text-primary) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 3s ease-in-out infinite;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: var(--text-primary);
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

@keyframes shimmer {
  0%, 100% { background-position: 0% center; }
  50% { background-position: 200% center; }
}

/* ─────────────────────────────────────────────────────────────────────────────
   🧭 HEADER - Glassmorphism Navigation
   ───────────────────────────────────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(10, 15, 26, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(0, 212, 255, 0.1);
  z-index: 2000;
  transition: all var(--transition-smooth);
}

.site-header.scrolled {
  background: rgba(3, 7, 18, 0.95);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.header-inner {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

/* Logo */
.logo-container {
  flex-shrink: 0;
}

.logo {
  height: 60px;
  width: auto;
  transition: transform var(--transition-smooth), filter var(--transition-smooth);
  filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.3));
}

.logo:hover {
  transform: scale(1.05);
  filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.5));
}

/* Navegación principal */
.main-nav ul {
  list-style: none;
  display: flex;
  gap: 0.5rem;
}

.main-nav a {
  display: block;
  padding: 0.75rem 1.25rem;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  border-radius: var(--border-radius);
  position: relative;
  transition: all var(--transition-fast);
}

.main-nav a::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-primary), var(--mode-shock));
  opacity: 0;
  border-radius: inherit;
  transition: opacity var(--transition-fast);
  z-index: -1;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--text-primary);
}

.main-nav a:hover::before,
.main-nav a.active::before {
  opacity: 0.15;
}

/* Botón Explorar */
.explore-container {
  position: relative;
}

.explore-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: var(--bg-deep);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: all var(--transition-smooth);
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.explore-toggle:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.5);
}

/* Menú desplegable */
.explore-menu {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  min-width: 240px;
  background: rgba(26, 31, 46, 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: var(--border-radius);
  padding: 0.5rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-smooth);
  box-shadow: var(--shadow-lg);
}

.explore-menu.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.explore-menu ul {
  list-style: none;
}

.explore-menu a {
  display: block;
  padding: 0.875rem 1.25rem;
  color: var(--text-secondary);
  font-weight: 500;
  border-radius: calc(var(--border-radius) - 4px);
  transition: all var(--transition-fast);
}

.explore-menu a:hover {
  background: rgba(0, 212, 255, 0.1);
  color: var(--text-primary);
  padding-left: 1.5rem;
}

/* Hamburguesa móvil */
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 12px;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.menu-toggle:hover {
  background: rgba(0, 212, 255, 0.2);
}

@media (max-width: 1024px) {
  .main-nav { display: none !important; }
  .menu-toggle { display: flex; align-items: center; justify-content: center; }
}

/* Panel móvil */
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-smooth);
  z-index: 1400;
}

.mobile-nav-overlay.open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav {
  position: fixed;
  top: 0;
  right: 0;
  width: 300px;
  height: 100vh;
  background: var(--bg-secondary);
  border-left: 1px solid rgba(0, 212, 255, 0.1);
  transform: translateX(100%);
  transition: transform var(--transition-smooth);
  z-index: 1500;
  padding: 6rem 1.5rem 2rem;
}

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

.mobile-nav ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-nav a {
  display: block;
  padding: 1rem 1.25rem;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 1.1rem;
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
}

.mobile-nav a:hover,
.mobile-nav a.active {
  background: rgba(0, 212, 255, 0.1);
  color: var(--text-primary);
}

/* ─────────────────────────────────────────────────────────────────────────────
   🎬 HERO SECTION - Cinematográfico
   ───────────────────────────────────────────────────────────────────────────── */
.hero-section {
  position: relative;
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-section .hero-img,
.hero-section picture {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-section .hero-img img,
.hero-section picture img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-section video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: 
    linear-gradient(180deg, 
      rgba(3, 7, 18, 0.4) 0%,
      rgba(3, 7, 18, 0.2) 40%,
      rgba(3, 7, 18, 0.6) 80%,
      rgba(3, 7, 18, 1) 100%),
    radial-gradient(ellipse at center, transparent 0%, rgba(3, 7, 18, 0.4) 100%);
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 2rem;
  max-width: 900px;
  animation: fadeInUp 1s ease-out;
}

.hero-content h1 {
  margin-bottom: 1.5rem;
  text-shadow: 0 0 40px rgba(0, 212, 255, 0.5);
}

.hero-content p {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  animation: fadeInUp 1s ease-out 0.2s backwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Scroll indicator */
.hero-section::after {
  content: '';
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 50px;
  border: 2px solid rgba(0, 212, 255, 0.5);
  border-radius: 25px;
  animation: scrollIndicator 2s ease-in-out infinite;
}

.hero-section::before {
  content: '';
  position: absolute;
  bottom: 2.6rem;
  left: 50%;
  transform: translateX(-50%);
  width: 6px;
  height: 10px;
  background: var(--accent-primary);
  border-radius: 3px;
  animation: scrollDot 2s ease-in-out infinite;
  z-index: 1;
}

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

@keyframes scrollDot {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(15px); }
}

/* ─────────────────────────────────────────────────────────────────────────────
   📦 VALUE PROPOSITION
   ───────────────────────────────────────────────────────────────────────────── */
.value-proposition {
  padding: 6rem 0;
  text-align: center;
  position: relative;
}

.value-proposition h2 {
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

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

/* ─────────────────────────────────────────────────────────────────────────────
   🃏 TARJETAS DE CÁPSULAS - Con Aura Energética
   ───────────────────────────────────────────────────────────────────────────── */
.content-mosaic {
  padding: 4rem 0 6rem;
}

.content-mosaic .container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
}

.content-card {
  position: relative;
  background: linear-gradient(145deg, var(--bg-card), var(--bg-secondary));
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: all var(--transition-smooth);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Línea de acento superior por modo */
.content-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-primary), var(--mode-shock));
  opacity: 0.7;
  transition: all var(--transition-smooth);
  z-index: 10;
}

/* Aura de fondo */
.content-card::after {
  content: '';
  position: absolute;
  inset: -50%;
  background: radial-gradient(circle at 50% 0%, var(--mode-tree-glow), transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-smooth);
  pointer-events: none;
}

.content-card:hover {
  transform: translateY(-12px) scale(1.02);
  border-color: rgba(0, 212, 255, 0.2);
  box-shadow: 
    0 20px 60px rgba(0, 0, 0, 0.4),
    0 0 40px rgba(0, 212, 255, 0.1);
}

.content-card:hover::before {
  opacity: 1;
  height: 4px;
}

.content-card:hover::after {
  opacity: 0.3;
}

/* Colores específicos por modo */
.content-card[data-mode="tree"]::before,
.content-card:nth-child(1)::before { background: var(--mode-tree); }
.content-card[data-mode="tree"]::after,
.content-card:nth-child(1)::after { background: radial-gradient(circle at 50% 0%, var(--mode-tree-glow), transparent 50%); }

.content-card[data-mode="analytic"]::before,
.content-card:nth-child(2)::before { background: var(--mode-analytic); }
.content-card[data-mode="analytic"]::after,
.content-card:nth-child(2)::after { background: radial-gradient(circle at 50% 0%, var(--mode-analytic-glow), transparent 50%); }

.content-card[data-mode="secure"]::before,
.content-card:nth-child(3)::before { background: var(--mode-secure); }
.content-card[data-mode="secure"]::after,
.content-card:nth-child(3)::after { background: radial-gradient(circle at 50% 0%, var(--mode-secure-glow), transparent 50%); }

.content-card[data-mode="friendly"]::before,
.content-card:nth-child(4)::before { background: var(--mode-friendly); }
.content-card[data-mode="friendly"]::after,
.content-card:nth-child(4)::after { background: radial-gradient(circle at 50% 0%, var(--mode-friendly-glow), transparent 50%); }

.content-card[data-mode="shock"]::before,
.content-card:nth-child(5)::before { background: var(--mode-shock); }
.content-card[data-mode="shock"]::after,
.content-card:nth-child(5)::after { background: radial-gradient(circle at 50% 0%, var(--mode-shock-glow), transparent 50%); }

.content-card[data-mode="pro"]::before,
.content-card:nth-child(6)::before { background: var(--mode-pro); }
.content-card[data-mode="pro"]::after,
.content-card:nth-child(6)::after { background: radial-gradient(circle at 50% 0%, var(--mode-pro-glow), transparent 50%); }

.content-card a {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.content-card .card-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.content-card .card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.content-card:hover .card-media img {
  transform: scale(1.08);
}

.content-card .card-content {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.content-card .card-content h3 {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.25rem;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

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

/* Animación de entrada escalonada */
.content-card {
  opacity: 0;
  transform: translateY(40px);
  animation: revealCard 0.8s ease forwards;
}

.content-card:nth-child(1) { animation-delay: 0.1s; }
.content-card:nth-child(2) { animation-delay: 0.2s; }
.content-card:nth-child(3) { animation-delay: 0.3s; }
.content-card:nth-child(4) { animation-delay: 0.4s; }
.content-card:nth-child(5) { animation-delay: 0.5s; }
.content-card:nth-child(6) { animation-delay: 0.6s; }

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

/* ─────────────────────────────────────────────────────────────────────────────
   📨 NEWSLETTER - Estilo Holográfico
   ───────────────────────────────────────────────────────────────────────────── */
.cta-section {
  padding: 6rem 0;
  position: relative;
}

.cta-section .container {
  max-width: 700px;
  text-align: center;
  padding: 3rem;
  background: linear-gradient(135deg, 
    rgba(0, 212, 255, 0.08) 0%, 
    rgba(168, 85, 247, 0.05) 50%,
    rgba(0, 0, 0, 0.3) 100%);
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: var(--border-radius-xl);
  backdrop-filter: blur(20px);
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.3),
    inset 0 0 60px rgba(0, 212, 255, 0.03);
}

.cta-section h2 {
  margin-bottom: 2rem;
  font-size: 1.75rem;
}

.newsletter-form {
  display: flex;
  gap: 0.75rem;
  max-width: 500px;
  margin: 0 auto;
}

.newsletter-form input {
  flex: 1;
  padding: 1rem 1.25rem;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50px;
  color: var(--text-primary);
  font-size: 1rem;
  font-family: inherit;
  transition: all var(--transition-fast);
}

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

.newsletter-form input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
}

.newsletter-form button {
  padding: 1rem 2rem;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: var(--bg-deep);
  font-weight: 600;
  font-size: 1rem;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: all var(--transition-smooth);
  white-space: nowrap;
}

.newsletter-form button:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.4);
}

@media (max-width: 600px) {
  .newsletter-form {
    flex-direction: column;
  }
  
  .newsletter-form button {
    width: 100%;
  }
}

/* ─────────────────────────────────────────────────────────────────────────────
   🦶 FOOTER
   ───────────────────────────────────────────────────────────────────────────── */
.site-footer {
  background: var(--bg-primary);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 4rem 0 2rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-primary);
  margin-bottom: 1.25rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col li + li {
  margin-top: 0.75rem;
}

.footer-col a {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

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

.footer-col p {
  color: var(--text-secondary);
  line-height: 1.8;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* ─────────────────────────────────────────────────────────────────────────────
   📝 BLOG / POSTS
   ───────────────────────────────────────────────────────────────────────────── */
.posts-section {
  padding: 4rem 0;
}

.posts-section h2 {
  text-align: center;
  margin-bottom: 3rem;
}

.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.blog-post {
  background: var(--bg-card);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all var(--transition-smooth);
}

.blog-post:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 212, 255, 0.2);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.blog-post a {
  display: block;
}

.blog-post img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.blog-post:hover img {
  transform: scale(1.05);
}

.blog-post .post-meta {
  padding: 1.5rem;
}

.blog-post .post-meta time {
  display: block;
  font-size: 0.8rem;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.blog-post .post-meta h3 {
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.blog-post .post-meta p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Animación de entrada */
.blog-post {
  opacity: 0;
  transform: translateY(30px);
  animation: revealCard 0.6s ease forwards;
}

.blog-post:nth-child(1) { animation-delay: 0.1s; }
.blog-post:nth-child(2) { animation-delay: 0.15s; }
.blog-post:nth-child(3) { animation-delay: 0.2s; }
.blog-post:nth-child(4) { animation-delay: 0.25s; }
.blog-post:nth-child(5) { animation-delay: 0.3s; }
.blog-post:nth-child(6) { animation-delay: 0.35s; }

/* ─────────────────────────────────────────────────────────────────────────────
   📖 ABOUT PAGE - Burbujas con Glow
   ───────────────────────────────────────────────────────────────────────────── */
.page-about {
  background: var(--bg-deep);
}

.page-about section {
  padding: 4rem 0;
}

.page-about .bubble {
  background: linear-gradient(145deg, var(--bg-card), var(--bg-secondary));
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius-xl);
  padding: 2.5rem;
  transition: all var(--transition-smooth);
}

.page-about .bubble:hover {
  border-color: rgba(0, 212, 255, 0.15);
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.3);
}

.page-about .bubble h2 {
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.page-about .bubble p {
  color: var(--text-secondary);
  line-height: 1.8;
}

/* Icons grid */
.page-about .icons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.page-about .icons-grid div {
  text-align: center;
  padding: 1.5rem;
  background: rgba(0, 212, 255, 0.05);
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
}

.page-about .icons-grid div:hover {
  background: rgba(0, 212, 255, 0.1);
  transform: translateY(-4px);
}

.page-about .icons-grid div span {
  display: block;
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

/* Mission/Vision grid */
.page-about .mv-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.page-about .mv-card {
  text-align: center;
  padding: 1rem;
}

.page-about .mv-card h3 {
  color: var(--accent-primary);
  margin-bottom: 1rem;
}

.page-about .mv-card ul {
  list-style: none;
  text-align: left;
}

.page-about .mv-card li {
  color: var(--text-secondary);
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
}

.page-about .mv-card li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent-primary);
}

/* Capsula educativa grid */
.page-about .capsula-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.page-about .capsula-grid > div {
  background: rgba(0, 0, 0, 0.3);
  padding: 1.25rem;
  border-radius: var(--border-radius);
  border-left: 3px solid var(--accent-primary);
}

.page-about .capsula-grid strong {
  color: var(--accent-primary);
  display: block;
  margin-bottom: 0.5rem;
}

/* Blockquote */
.page-about blockquote {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.08), rgba(168, 85, 247, 0.05));
  border-left: 4px solid var(--accent-primary);
  padding: 2rem;
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  font-style: italic;
  font-size: 1.1rem;
  color: var(--text-secondary);
}

.page-about .autor {
  text-align: right;
  margin-top: 1rem;
  color: var(--text-primary);
  font-weight: 600;
  font-style: normal;
}

/* Timeline */
.page-about .timeline {
  list-style: none;
  position: relative;
  padding-left: 2rem;
}

.page-about .timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-primary), var(--mode-shock));
}

.page-about .timeline li {
  position: relative;
  padding: 1rem 0;
  color: var(--text-secondary);
}

.page-about .timeline li::before {
  content: '';
  position: absolute;
  left: -2rem;
  top: 1.4rem;
  width: 12px;
  height: 12px;
  background: var(--accent-primary);
  border-radius: 50%;
  box-shadow: 0 0 15px var(--accent-primary);
}

.page-about .timeline-date {
  display: inline-block;
  background: rgba(0, 212, 255, 0.15);
  color: var(--accent-primary);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-right: 0.75rem;
}

/* Comunidad list */
.page-about .comunidad-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
}

.page-about .comunidad-list li {
  background: rgba(0, 212, 255, 0.1);
  padding: 0.75rem 1.25rem;
  border-radius: 50px;
  color: var(--text-secondary);
  border: 1px solid rgba(0, 212, 255, 0.2);
  transition: all var(--transition-fast);
}

.page-about .comunidad-list li:hover {
  background: rgba(0, 212, 255, 0.2);
  color: var(--text-primary);
}

/* ─────────────────────────────────────────────────────────────────────────────
   💊 CÁPSULA DETALLE
   ───────────────────────────────────────────────────────────────────────────── */
.capsule-detail {
  padding-top: var(--header-height);
}

.capsule-hero {
  position: relative;
  height: 60vh;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.capsule-hero picture,
.capsule-hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.capsule-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, 
    rgba(3, 7, 18, 0.5) 0%,
    rgba(3, 7, 18, 0.3) 50%,
    rgba(3, 7, 18, 0.9) 100%);
}

.capsule-hero-text {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 2rem;
}

.capsule-hero-text h1 {
  margin-bottom: 1rem;
}

.capsule-hero-text .subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  font-style: italic;
  max-width: 600px;
  margin: 0 auto;
}

.capsule-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

.capsule-content h2 {
  font-size: 1.5rem;
  color: var(--accent-primary);
  margin-bottom: 1rem;
  margin-top: 2rem;
}

.capsule-content h2:first-child {
  margin-top: 0;
}

.capsule-content p {
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
}

.capsule-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.btn-primary,
.btn-secondary {
  padding: 1rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition-smooth);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: var(--bg-deep);
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.5);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.4);
}

/* ─────────────────────────────────────────────────────────────────────────────
   📞 CONTACTO
   ───────────────────────────────────────────────────────────────────────────── */
.contact-section {
  padding: 4rem 0;
}

.contact-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  transition: all var(--transition-smooth);
}

.card:hover {
  border-color: rgba(0, 212, 255, 0.15);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.contact-form fieldset {
  border: none;
  margin-bottom: 1.25rem;
}

.contact-form label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 15px rgba(0, 212, 255, 0.15);
}

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

.contact-form .checkbox-field {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.contact-form .checkbox-field input {
  width: auto;
  accent-color: var(--accent-primary);
}

.contact-form button {
  width: 100%;
  padding: 1rem;
  margin-top: 0.5rem;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: var(--bg-deep);
  font-weight: 600;
  font-size: 1rem;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: all var(--transition-smooth);
}

.contact-form button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 212, 255, 0.4);
}

#formFeedback {
  margin-top: 1rem;
  text-align: center;
  font-weight: 500;
}

.contact-info h3 {
  font-family: 'Orbitron', sans-serif;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.contact-info p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.contact-info a {
  color: var(--accent-primary);
  transition: color var(--transition-fast);
}

.contact-info a:hover {
  color: var(--text-primary);
}

.social-link {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(0, 212, 255, 0.1);
  border-radius: 50px;
  margin-right: 0.5rem;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.social-link:hover {
  background: rgba(0, 212, 255, 0.2);
}

/* ─────────────────────────────────────────────────────────────────────────────
   💬 CHAT FLOTANTE
   ───────────────────────────────────────────────────────────────────────────── */
.chat-toggle {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border: none;
  border-radius: 50%;
  color: var(--bg-deep);
  font-size: 1.5rem;
  cursor: pointer;
  z-index: 1000;
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.4);
  transition: all var(--transition-smooth);
}

.chat-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.6);
}

#chatbox {
  display: none;
  position: fixed;
  bottom: 6rem;
  right: 1.5rem;
  width: 360px;
  max-height: 500px;
  background: var(--bg-card);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.5);
  z-index: 1000;
}

#chatbox.active {
  display: flex;
  flex-direction: column;
  animation: slideUp 0.3s ease;
}

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

#chatlog {
  flex: 1;
  padding: 1rem;
  overflow-y: auto;
  max-height: 350px;
}

.chat-message {
  margin-bottom: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: var(--border-radius);
  max-width: 85%;
}

.user-msg {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: var(--bg-deep);
  margin-left: auto;
}

.bot-msg {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
}

#userinput {
  display: flex;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

#userinput input {
  flex: 1;
  padding: 1rem;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: inherit;
}

#userinput input:focus {
  outline: none;
}

#userinput button {
  padding: 1rem 1.5rem;
  background: var(--accent-primary);
  color: var(--bg-deep);
  border: none;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition-fast);
}

#userinput button:hover {
  background: var(--accent-secondary);
}

/* ─────────────────────────────────────────────────────────────────────────────
   📱 RECURSOS - Filtros y Cards
   ───────────────────────────────────────────────────────────────────────────── */
.resource-filters {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 2rem;
}

.resource-filters button {
  padding: 0.75rem 1.5rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50px;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.resource-filters button:hover,
.resource-filters button.active {
  background: rgba(0, 212, 255, 0.15);
  border-color: rgba(0, 212, 255, 0.3);
  color: var(--text-primary);
}

.resource-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius-lg);
  padding: 1.5rem;
  transition: all var(--transition-smooth);
}

.resource-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 212, 255, 0.15);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

/* ─────────────────────────────────────────────────────────────────────────────
   🎭 UTILIDADES Y HELPERS
   ───────────────────────────────────────────────────────────────────────────── */

/* Glow text */
.glow-text {
  text-shadow: 0 0 20px currentColor;
}

/* Gradient border */
.gradient-border {
  position: relative;
}

.gradient-border::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: 2px;
  background: linear-gradient(135deg, var(--accent-primary), var(--mode-shock));
  border-radius: inherit;
  -webkit-mask: 
    linear-gradient(#fff 0 0) content-box, 
    linear-gradient(#fff 0 0);
  mask: 
    linear-gradient(#fff 0 0) content-box, 
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}

/* Animated underline */
.animated-underline {
  position: relative;
}

.animated-underline::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-primary), var(--mode-shock));
  transition: width var(--transition-smooth);
}

.animated-underline:hover::after {
  width: 100%;
}

/* Pulse animation */
.pulse {
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

/* Float animation */
.float {
  animation: float 3s ease-in-out infinite;
}

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

/* ─────────────────────────────────────────────────────────────────────────────
   📱 RESPONSIVE
   ───────────────────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }
  
  .hero-content h1 {
    font-size: 2rem;
  }
  
  .content-mosaic .container {
    grid-template-columns: 1fr;
  }
  
  .capsule-hero {
    height: 50vh;
  }
  
  .capsule-content {
    padding: 2rem 1rem;
  }
  
  .page-about .bubble {
    padding: 1.5rem;
  }
  
  .footer-inner {
    gap: 2rem;
  }
  
  #chatbox {
    right: 1rem;
    left: 1rem;
    width: auto;
  }
}

@media (max-width: 480px) {
  .hero-content h1 {
    font-size: 1.75rem;
  }
  
  .content-card .card-content {
    padding: 1rem;
  }
  
  .cta-section .container {
    padding: 2rem 1.5rem;
  }
}

/* ─────────────────────────────────────────────────────────────────────────────
   🎬 ANIMACIONES DE SCROLL (con AOS override para mejor control)
   ───────────────────────────────────────────────────────────────────────────── */
[data-aos="fade-up"] {
  transform: translateY(40px);
  opacity: 0;
  transition-property: transform, opacity;
}

[data-aos="fade-up"].aos-animate {
  transform: translateY(0);
  opacity: 1;
}

[data-aos="zoom-in"] {
  transform: scale(0.9);
  opacity: 0;
  transition-property: transform, opacity;
}

[data-aos="zoom-in"].aos-animate {
  transform: scale(1);
  opacity: 1;
}

[data-aos="fade-in"] {
  opacity: 0;
  transition-property: opacity;
}

[data-aos="fade-in"].aos-animate {
  opacity: 1;
}

/* ─────────────────────────────────────────────────────────────────────────────
   🌟 EFECTOS ESPECIALES
   ───────────────────────────────────────────────────────────────────────────── */

/* Partículas de fondo animadas (opcional - puede activarse con JS) */
.particles-container {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

/* Cursor glow effect */
@media (hover: hover) {
  .cursor-glow {
    position: fixed;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    transform: translate(-50%, -50%);
    z-index: -1;
    transition: opacity 0.3s ease;
  }
}

/* Selection styling */
::selection {
  background: rgba(0, 212, 255, 0.3);
  color: var(--text-primary);
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-deep);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--accent-primary), var(--mode-shock));
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-primary);
}

/* Firefox scrollbar */
html {
  scrollbar-width: thin;
  scrollbar-color: var(--accent-primary) var(--bg-deep);
}