/* NEXORD PROMOCIONAL · MODULAR STYLESHEET */
:root {
  --bg-deep: #070B18;
  --bg-card: rgba(11, 19, 43, 0.85);
  --bg-card-hover: rgba(15, 27, 60, 0.95);
  --border-subtle: rgba(56, 189, 248, 0.22);
  --border-glow: rgba(0, 255, 135, 0.45);
  
  --neon-green: #00FF87;
  --cyber-blue: #38BDF8;
  --neon-gold: #FFE600;
  --neon-magenta: #FF007F;
  --neon-orange: #FF9F1C;
  
  --text-main: #F1F5F9;
  --text-muted: #94A3B8;
  --text-dim: #64748B;
  
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-deep);
  color: var(--text-main);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 20%, rgba(56, 189, 248, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 65%, rgba(0, 255, 135, 0.06) 0%, transparent 45%),
    radial-gradient(circle at 50% 90%, rgba(255, 0, 127, 0.05) 0%, transparent 50%);
  background-attachment: fixed;
}

/* =========================================================================
   NAVBAR INSTITUCIONAL ELEGANTE
   ========================================================================= */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(7, 11, 24, 0.88);
  border-bottom: 1px solid var(--border-subtle);
  padding: 12px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.nav-brand img {
  height: 52px;
  width: auto;
  border-radius: 8px;
  box-shadow: 0 0 18px rgba(0, 255, 135, 0.35);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.nav-brand:hover img {
  transform: scale(1.05);
  box-shadow: 0 0 24px rgba(0, 255, 135, 0.6);
}

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

.brand-name {
  font-family: 'Roboto Mono', monospace;
  font-size: 1.55rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  color: #FFFFFF;
  line-height: 1.1;
}

.brand-name span {
  color: var(--neon-green);
}

.brand-sub {
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 20px;
  list-style: none;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  transition: var(--transition);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
}

.nav-link:hover {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.05);
}

.nav-cta {
  background: linear-gradient(135deg, rgba(0, 255, 135, 0.2), rgba(56, 189, 248, 0.25));
  border: 1px solid var(--neon-green);
  color: #FFFFFF !important;
  font-weight: 700 !important;
  padding: 8px 16px !important;
  border-radius: 20px !important;
  box-shadow: 0 0 15px rgba(0, 255, 135, 0.25);
}

.nav-cta:hover {
  background: var(--neon-green) !important;
  color: #070B18 !important;
  box-shadow: 0 0 22px rgba(0, 255, 135, 0.6);
  transform: translateY(-1px);
}

/* Dropdown Bóveda */
.nav-dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  background: rgba(11, 19, 43, 0.96);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 8px 0;
  min-width: 240px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6);
  display: none;
  list-style: none;
}

.nav-dropdown:hover .dropdown-menu {
  display: block;
}

.dropdown-item {
  display: block;
  padding: 8px 16px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.82rem;
  transition: var(--transition);
}

.dropdown-item:hover {
  background: rgba(56, 189, 248, 0.15);
  color: #FFFFFF;
}

/* =========================================================================
   HERO SECTION DE ALTO IMPACTO
   ========================================================================= */
.hero {
  padding: 80px 24px 60px 24px;
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  position: relative;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.35);
  border-radius: 30px;
  font-family: 'Roboto Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--cyber-blue);
  margin-bottom: 24px;
}

.hero-pill-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--neon-green);
  box-shadow: 0 0 8px var(--neon-green);
}

.hero-title {
  font-size: clamp(2.2rem, 5.5vw, 4rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  color: #FFFFFF;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, #FFFFFF 20%, var(--cyber-blue) 60%, var(--neon-green) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  color: var(--text-muted);
  max-width: 780px;
  margin: 0 auto 36px auto;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 50px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--neon-green);
  color: #070B18;
  font-weight: 800;
  font-size: 0.98rem;
  padding: 14px 28px;
  border-radius: 30px;
  text-decoration: none;
  transition: var(--transition);
  box-shadow: 0 0 25px rgba(0, 255, 135, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 35px rgba(0, 255, 135, 0.7);
  background: #2aff9b;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.98rem;
  padding: 14px 24px;
  border-radius: 30px;
  text-decoration: none;
  transition: var(--transition);
}

.btn-secondary:hover {
  border-color: var(--cyber-blue);
  background: rgba(56, 189, 248, 0.12);
  color: #FFFFFF;
}

/* Indicadores Clave del Hero */
.hero-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px 16px;
  text-align: center;
  backdrop-filter: blur(10px);
}

.stat-number {
  font-family: 'Roboto Mono', monospace;
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--cyber-blue);
  margin-bottom: 4px;
}

.stat-number.green { color: var(--neon-green); }
.stat-number.gold { color: var(--neon-gold); }
.stat-number.magenta { color: var(--neon-magenta); }

.stat-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.3;
}

/* =========================================================================
   COMPONENTE HERO: VIDEO DEMOSTRACIÓN 3D (69s · MUDO + SUBTÍTULOS ES/EN)
   ========================================================================= */
.video-hero-container {
  max-width: 1040px;
  margin: 32px auto 46px auto;
  background: rgba(6, 10, 22, 0.95);
  border: 1.5px solid rgba(56, 189, 248, 0.4);
  border-radius: var(--radius-lg);
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.85), 0 0 35px rgba(0, 255, 135, 0.18);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
  text-align: left;
}
.video-hero-container:hover {
  border-color: var(--neon-green);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.95), 0 0 45px rgba(0, 255, 135, 0.32);
}
.video-hero-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 18px;
  background: rgba(11, 19, 43, 0.92);
  border-bottom: 1px solid rgba(56, 189, 248, 0.25);
  font-family: 'Roboto Mono', monospace;
  font-size: 0.78rem;
  flex-wrap: wrap;
  gap: 10px;
}
.video-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #FFFFFF;
  font-weight: 800;
  letter-spacing: 0.05em;
}
.video-hero-badge .live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #FF0055;
  box-shadow: 0 0 10px #FF0055;
  animation: pulseHeroLive 1.3s infinite ease-in-out;
}
@keyframes pulseHeroLive {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.35); opacity: 0.45; }
}
.video-hero-meta {
  color: var(--cyber-blue);
  font-size: 0.74rem;
  font-weight: 600;
}
.video-hero-player-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #02040A;
  overflow: hidden;
  cursor: pointer;
}
.video-hero-player-wrap video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  cursor: pointer;
}

/* =========================================================================
   BOTÓN FLOTANTE PARA ACTIVAR AUDIO (EXPERIENCIA CINEMATOGRÁFICA)
   ========================================================================= */
.video-unmute-hero-badge {
  display: none !important;
  pointer-events: none !important;
}

/* El botón flotante de audio sobre el video ha sido eliminado para no obstaculizar la visualización */
.hero-audio-overlay-btn {
  display: none !important;
  pointer-events: none !important;
}

/* Ocultar elementos deshabilitados si quedara algún remanente */
.video-subtitles-overlay, .video-bonds-decoder-hud {
  display: none !important;
}

/* =========================================================================
   MÓDULO: ANATOMÍA DE LOS VÍNCULOS GRUPALES (ATRACCIÓN · RECHAZO · OSTRACISMO)
   ========================================================================= */
.bonds-insight-strip {
  max-width: 1040px;
  margin: 0 auto 36px auto;
  background: rgba(11, 19, 43, 0.75);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6);
}
.bonds-strip-header {
  text-align: center;
  margin-bottom: 24px;
}
.bonds-strip-title {
  font-size: clamp(1.2rem, 2.2vw, 1.55rem);
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}
.bonds-strip-subtitle {
  color: #94A3B8;
  font-size: 0.9rem;
  max-width: 720px;
  margin: 0 auto;
  line-height: 1.5;
}
.bonds-strip-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
  margin-top: 20px;
}
.bond-insight-card {
  background: rgba(6, 10, 22, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
  position: relative;
  overflow: hidden;
}
.bond-insight-card:hover {
  transform: translateY(-3px);
}
.card-attraction {
  border-color: rgba(0, 255, 135, 0.35);
}
.card-attraction:hover {
  border-color: #00FF87;
  box-shadow: 0 10px 30px rgba(0, 255, 135, 0.2);
}
.card-rejection {
  border-color: rgba(255, 0, 127, 0.35);
}
.card-rejection:hover {
  border-color: #FF007F;
  box-shadow: 0 10px 30px rgba(255, 0, 127, 0.2);
}
.card-ostracism {
  border-color: rgba(56, 189, 248, 0.35);
}
.card-ostracism:hover {
  border-color: #38BDF8;
  box-shadow: 0 10px 30px rgba(56, 189, 248, 0.2);
}
.bond-card-badge {
  font-family: 'Roboto Mono', monospace;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
  color: #94A3B8;
}
.card-attraction .bond-card-badge { color: #00FF87; }
.card-rejection .bond-card-badge { color: #FF007F; }
.card-ostracism .bond-card-badge { color: #38BDF8; }
.bond-card-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 10px;
}
.bond-card-text {
  font-size: 0.85rem;
  color: #CBD5E1;
  line-height: 1.55;
  margin-bottom: 16px;
}
.bond-card-text strong {
  color: #FFFFFF;
}
.bond-card-metric {
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: 'Roboto Mono', monospace;
  font-size: 0.75rem;
}
.metric-label {
  color: #64748B;
  font-weight: 600;
}
.metric-val.green { color: #00FF87; font-weight: 700; }
.metric-val.magenta { color: #FF007F; font-weight: 700; }
.metric-val.cyan { color: #38BDF8; font-weight: 700; }

.video-hero-bottombar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 18px;
  background: rgba(7, 11, 24, 0.96);
  border-top: 1px solid rgba(56, 189, 248, 0.2);
  gap: 12px;
  flex-wrap: wrap;
}
.video-ctrl-cluster {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.video-ctrl-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #F1F5F9;
  font-family: 'Roboto Mono', monospace;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.video-ctrl-btn:hover {
  background: rgba(56, 189, 248, 0.22);
  border-color: var(--cyber-blue);
  color: #FFFFFF;
}
.video-ctrl-btn.active {
  background: rgba(0, 255, 135, 0.2);
  border-color: var(--neon-green);
  color: var(--neon-green);
}
.video-ctrl-btn#btn-video-audio {
  background: rgba(0, 255, 135, 0.18);
  border: 1.5px solid var(--neon-green);
  color: var(--neon-green);
  font-weight: 800;
  transition: all 0.2s ease;
}
.video-ctrl-btn#btn-video-audio:hover {
  background: var(--neon-green);
  color: #070B18;
  box-shadow: 0 0 16px rgba(0, 255, 135, 0.8);
}
.video-ctrl-btn#btn-video-audio.audio-active {
  background: rgba(56, 189, 248, 0.25);
  border-color: var(--cyber-blue);
  color: #FFFFFF;
}
.video-cta-pill {
  background: linear-gradient(135deg, rgba(0, 255, 135, 0.25), rgba(56, 189, 248, 0.25));
  border: 1px solid var(--neon-green);
  color: #FFFFFF;
  font-family: 'Roboto Mono', monospace;
  font-size: 0.8rem;
  font-weight: 800;
  padding: 6px 16px;
  border-radius: 20px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}
.video-cta-pill:hover {
  background: var(--neon-green);
  color: #070B18;
  box-shadow: 0 0 20px rgba(0, 255, 135, 0.6);
  transform: translateY(-1px);
}

/* =========================================================================
   SECCIÓN 1: EL DOLOR INVISIBLE (CONSTRASTE ANTES vs DESPUÉS)
   ========================================================================= */
.section {
  padding: 70px 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-tag {
  font-family: 'Roboto Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--neon-green);
  text-transform: uppercase;
  margin-bottom: 8px;
  display: block;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #FFFFFF;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 650px;
  margin: 0 auto;
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.comparison-card {
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(10px);
}

.comparison-card.traditional {
  background: rgba(23, 15, 25, 0.6);
  border: 1px solid rgba(255, 0, 127, 0.25);
}

.comparison-card.nexord {
  background: rgba(11, 28, 35, 0.7);
  border: 1px solid rgba(0, 255, 135, 0.4);
  box-shadow: 0 0 30px rgba(0, 255, 135, 0.08);
}

.card-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-family: 'Roboto Mono', monospace;
  font-weight: 700;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 16px;
}

.card-badge.bad {
  background: rgba(255, 0, 127, 0.2);
  color: var(--neon-magenta);
  border: 1px solid var(--neon-magenta);
}

.card-badge.good {
  background: rgba(0, 255, 135, 0.2);
  color: var(--neon-green);
  border: 1px solid var(--neon-green);
}

.card-heading {
  font-size: 1.35rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 16px;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.feature-item strong {
  color: #FFFFFF;
}

.feature-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 1px;
}

/* =========================================================================
   SECCIÓN 2: SHOWROOM INTERACTIVO · LAS 4 JOYAS VISORD
   ========================================================================= */
.jewels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.jewel-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.jewel-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--card-accent, var(--cyber-blue)), transparent);
  opacity: 0;
  transition: var(--transition);
}

.jewel-card:hover {
  transform: translateY(-4px);
  border-color: var(--card-accent, var(--cyber-blue));
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(56, 189, 248, 0.15);
}

.jewel-card:hover::before {
  opacity: 1;
}

.jewel-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.jewel-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 8px;
}

.jewel-subtitle {
  font-size: 0.76rem;
  font-family: 'Roboto Mono', monospace;
  color: var(--card-accent, var(--cyber-blue));
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}

.jewel-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 20px;
}

.btn-jewel {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid var(--card-accent, var(--cyber-blue));
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  transition: var(--transition);
}

.btn-jewel:hover {
  background: var(--card-accent, var(--cyber-blue));
  color: #070B18;
  box-shadow: 0 0 15px var(--card-accent, var(--cyber-blue));
}

/* =========================================================================
   SECCIÓN 3: SOLUCIONES POR SECTOR
   ========================================================================= */
.sector-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.sector-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
}

.sector-card:hover {
  border-color: var(--neon-green);
  transform: translateY(-2px);
}

.sector-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.sector-icon {
  font-size: 1.8rem;
}

.sector-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: #FFFFFF;
}

.sector-problem {
  background: rgba(255, 0, 127, 0.08);
  border-left: 3px solid var(--neon-magenta);
  padding: 10px 14px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.84rem;
  color: #FDA4AF;
  margin-bottom: 16px;
}

.sector-solution {
  background: rgba(0, 255, 135, 0.08);
  border-left: 3px solid var(--neon-green);
  padding: 10px 14px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.84rem;
  color: #A7F3D0;
  margin-bottom: 20px;
}

.sector-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.86rem;
  color: var(--text-muted);
}

.sector-bullets li {
  position: relative;
  padding-left: 18px;
}

.sector-bullets li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--neon-green);
  font-weight: 900;
}

/* =========================================================================
   SECCIÓN 4: CÓMO FUNCIONA (EL FLUJO EN 3 PASOS)
   ========================================================================= */
.steps-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  position: relative;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
}

.step-num {
  font-family: 'Roboto Mono', monospace;
  font-size: 2.5rem;
  font-weight: 900;
  color: rgba(56, 189, 248, 0.25);
  line-height: 1;
  margin-bottom: 12px;
}

.step-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 8px;
}

.step-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* =========================================================================
   SECCIÓN 5: GARANTÍA ÉTICA Y PRIVACY BY DESIGN
   ========================================================================= */
.ethics-banner {
  background: linear-gradient(135deg, rgba(11, 28, 35, 0.85), rgba(7, 11, 24, 0.95));
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: 0 0 35px rgba(0, 255, 135, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.ethics-content {
  flex: 1 1 500px;
}

.ethics-heading {
  font-size: 1.45rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.ethics-text {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 16px;
}

.ethics-cta {
  flex-shrink: 0;
}

/* =========================================================================
   SECCIÓN 6: BÓVEDA CIENTÍFICA (ACCESO A DOCUMENTACIÓN Y 7 NIVELES)
   ========================================================================= */
.vault-section {
  background: rgba(11, 19, 43, 0.4);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 60px 24px;
}

.vault-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  max-width: 1200px;
  margin: 0 auto;
}

.vault-card {
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
  text-decoration: none;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.vault-card:hover {
  border-color: var(--cyber-blue);
  background: rgba(56, 189, 248, 0.1);
  transform: translateY(-2px);
}

.vault-card-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 6px;
}

.vault-card-desc {
  font-size: 0.78rem;
  color: var(--text-dim);
  line-height: 1.4;
}

.vault-card-arrow {
  margin-top: 14px;
  font-size: 0.78rem;
  font-family: 'Roboto Mono', monospace;
  color: var(--cyber-blue);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* =========================================================================
   CALL TO ACTION FINAL & FOOTER
   ========================================================================= */
.cta-banner {
  text-align: center;
  padding: 80px 24px;
  max-width: 900px;
  margin: 0 auto;
}

.cta-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  color: #FFFFFF;
  margin-bottom: 16px;
}

.cta-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 40px 24px;
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-dim);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  list-style: none;
}

.footer-link {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
}

.footer-link:hover {
  color: var(--neon-green);
}

/* =========================================================================
   ESTILOS OFICIALES DEL BLOQUE DOI Y MODAL BibTeX
   ========================================================================= */
.nexord-doi-footer-block {
  margin: 20px auto 16px auto;
  display: flex;
  justify-content: center;
  align-items: center;
}

.doi-citation-badge {
  background: rgba(11, 19, 43, 0.92);
  border: 1px solid rgba(56, 189, 248, 0.4);
  border-radius: 30px;
  padding: 8px 20px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  font-family: 'Roboto Mono', monospace;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5), 0 0 15px rgba(56, 189, 248, 0.15);
  flex-wrap: wrap;
  justify-content: center;
}

.doi-brand {
  font-weight: 900;
  color: #FFFFFF;
  letter-spacing: 0.06em;
}

.doi-sep {
  color: rgba(255, 255, 255, 0.25);
  font-size: 0.8rem;
}

.doi-label {
  color: #94A3B8;
  font-weight: 600;
}

.doi-link {
  color: var(--neon-green);
  text-decoration: none;
  font-weight: 700;
  transition: var(--transition);
}

.doi-link:hover {
  color: var(--cyber-blue);
  text-decoration: underline;
  text-shadow: 0 0 10px rgba(0, 255, 135, 0.5);
}

.doi-license {
  color: var(--neon-gold);
  text-decoration: none;
  font-weight: 700;
  background: rgba(255, 230, 0, 0.12);
  border: 1px solid rgba(255, 230, 0, 0.3);
  padding: 2px 8px;
  border-radius: 4px;
  transition: var(--transition);
}

.doi-license:hover {
  background: var(--neon-gold);
  color: #070B18;
}

.btn-bibtex-trigger {
  background: rgba(56, 189, 248, 0.15);
  border: 1px solid rgba(56, 189, 248, 0.5);
  color: #38BDF8;
  padding: 4px 12px;
  border-radius: 16px;
  cursor: pointer;
  font-family: 'Roboto Mono', monospace;
  font-size: 0.78rem;
  font-weight: 700;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-bibtex-trigger:hover {
  background: #38BDF8;
  color: #070B18;
  box-shadow: 0 0 15px rgba(56, 189, 248, 0.7);
  transform: translateY(-1px);
}

/* Modal BibTeX */
.bibtex-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(4, 7, 16, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 99999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  box-sizing: border-box;
}

.bibtex-modal.open,
.bibtex-modal.active {
  display: flex !important;
}

.bibtex-modal-box {
  background: #0B132B;
  border: 1.5px solid var(--cyber-blue);
  border-radius: var(--radius-lg);
  max-width: 620px;
  width: 100%;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8), 0 0 30px rgba(56, 189, 248, 0.3);
  overflow: hidden;
  animation: modalFadeIn 0.25s ease-out;
}

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

.bibtex-modal-header {
  padding: 16px 20px;
  background: rgba(15, 23, 42, 0.8);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.bibtex-modal-title {
  font-family: 'Roboto Mono', monospace;
  font-size: 0.95rem;
  font-weight: 800;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  gap: 8px;
}

.bibtex-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
  padding: 0 4px;
  transition: var(--transition);
}

.bibtex-close-btn:hover {
  color: var(--neon-magenta);
}

.bibtex-modal-body {
  padding: 20px;
}

.bibtex-pre {
  background: #060A18;
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: var(--radius-md);
  padding: 16px;
  color: #38BDF8;
  font-family: 'Roboto Mono', monospace;
  font-size: 0.82rem;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-all;
  user-select: all;
  -webkit-user-select: all;
}

.bibtex-modal-footer {
  padding: 14px 20px;
  background: rgba(15, 23, 42, 0.8);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.bibtex-status-msg {
  font-size: 0.8rem;
  color: var(--neon-green);
  font-family: 'Roboto Mono', monospace;
}

.btn-copy-bibtex {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--neon-green);
  color: #070B18;
  border: none;
  border-radius: 20px;
  padding: 8px 18px;
  font-family: 'Roboto Mono', monospace;
  font-size: 0.82rem;
  font-weight: 800;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 0 15px rgba(0, 255, 135, 0.3);
}

.btn-copy-bibtex:hover {
  background: #2aff9b;
  box-shadow: 0 0 25px rgba(0, 255, 135, 0.6);
  transform: translateY(-1px);
}

@media (max-width: 768px) {
  .navbar {
    flex-wrap: wrap;
    gap: 12px;
  }
  .nav-menu {
    gap: 10px;
    flex-wrap: wrap;
  }
}

/* =========================================================================
   BANDA VERTICAL DE NAVEGACIÓN (FLECHAS SECCIONALES & ACCESOS RÁPIDOS)
   ========================================================================= */
.vertical-nav-band {
  position: fixed;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 12px 8px;
  background: rgba(7, 11, 24, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(56, 189, 248, 0.35);
  border-radius: 30px;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.75), 0 0 22px rgba(0, 255, 135, 0.18);
  user-select: none;
  -webkit-user-select: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.vnav-arrow {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(14, 25, 52, 0.95);
  border: 1px solid rgba(0, 255, 135, 0.45);
  color: var(--neon-green);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 900;
  transition: all 0.22s cubic-bezier(0.2, 0.8, 0.2, 1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.vnav-arrow:hover {
  background: var(--neon-green);
  color: #070B18;
  border-color: var(--neon-green);
  transform: scale(1.15);
  box-shadow: 0 0 16px rgba(0, 255, 135, 0.7);
}

.vnav-arrow:active {
  transform: scale(0.95);
}

.vnav-dots {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
}

.vnav-dot {
  position: relative;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(148, 163, 184, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: block;
  transition: all 0.25s ease;
  cursor: pointer;
  text-decoration: none;
}

.vnav-dot:hover {
  background: #38BDF8;
  transform: scale(1.3);
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.8);
}

.vnav-dot.active {
  background: var(--neon-green);
  border-color: #FFFFFF;
  transform: scale(1.4);
  box-shadow: 0 0 14px rgba(0, 255, 135, 0.9);
}

.vnav-dot-tooltip {
  position: absolute;
  right: calc(100% + 14px);
  top: 50%;
  transform: translateY(-50%) translateX(6px);
  background: rgba(7, 11, 24, 0.95);
  border: 1px solid rgba(56, 189, 248, 0.4);
  color: #F1F5F9;
  padding: 4px 10px;
  border-radius: 6px;
  font-family: 'Roboto Mono', monospace;
  font-size: 0.72rem;
  font-weight: 700;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: all 0.2s ease;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.6);
}

.vnav-dot:hover .vnav-dot-tooltip {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

.vnav-divider {
  width: 20px;
  height: 1px;
  background: rgba(56, 189, 248, 0.3);
  margin: 2px 0;
}

.vnav-quick-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  text-decoration: none;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.2s ease;
  cursor: pointer;
}

.vnav-quick-btn:hover {
  transform: scale(1.15);
  border-color: var(--neon-green);
  box-shadow: 0 0 14px rgba(0, 255, 135, 0.5);
  background: rgba(0, 255, 135, 0.15);
}

@media (max-width: 768px) {
  /* Blindaje Anti-Font-Boosting */
  html, body {
    -webkit-text-size-adjust: 100% !important;
    text-size-adjust: 100% !important;
  }

  .vertical-nav-band {
    display: none !important;
  }
  .vnav-dot-tooltip {
    display: none;
  }

  /* Hero Section Adaptada a Smartphones */
  .hero {
    padding: 56px 14px 28px 14px !important;
  }
  .hero-pill {
    font-size: 0.68rem !important;
    padding: 4px 10px !important;
    letter-spacing: 0.04em !important;
    max-width: 95% !important;
    margin-bottom: 16px !important;
  }
  .hero-title {
    font-size: clamp(1.40rem, 5.5vw, 1.85rem) !important;
    line-height: 1.2 !important;
    margin-bottom: 14px !important;
    letter-spacing: -0.02em !important;
  }
  .hero-subtitle {
    font-size: 0.86rem !important;
    line-height: 1.45 !important;
    margin-bottom: 22px !important;
    padding: 0 4px !important;
    max-width: 100% !important;
  }
  .hero-actions {
    flex-direction: column !important;
    width: 100% !important;
    gap: 10px !important;
    margin-bottom: 30px !important;
  }
  .hero-actions .btn-primary,
  .hero-actions .btn-secondary {
    width: 100% !important;
    justify-content: center !important;
    padding: 12px 16px !important;
    font-size: 0.88rem !important;
    box-sizing: border-box !important;
  }

  /* Video Hero 3D en Pantalla Móvil */
  .video-hero-container {
    margin: 18px auto 32px auto !important;
    border-radius: 12px !important;
    max-width: 100% !important;
    width: 100% !important;
  }
  .video-hero-topbar {
    padding: 8px 12px !important;
    font-size: 0.70rem !important;
    gap: 6px !important;
  }
  .video-hero-badge {
    font-size: 0.68rem !important;
    gap: 6px !important;
  }
  .video-hero-meta {
    font-size: 0.64rem !important;
  }
  .video-hero-player-wrap {
    aspect-ratio: 16 / 9 !important;
    width: 100% !important;
    height: auto !important;
  }
  .video-subtitles-overlay {
    bottom: 8px !important;
    left: 4% !important;
    right: 4% !important;
  }
  .video-subtitles-text {
    font-size: 0.74rem !important;
    padding: 4px 8px !important;
    line-height: 1.35 !important;
  }
  .video-hero-bottombar {
    padding: 8px 10px !important;
    flex-direction: column !important;
    gap: 8px !important;
    align-items: stretch !important;
  }
  .video-ctrl-cluster {
    justify-content: center !important;
    flex-wrap: wrap !important;
    gap: 5px !important;
  }
  .video-ctrl-btn {
    padding: 6px 10px !important;
    font-size: 0.70rem !important;
  }
  .video-cta-pill {
    width: 100% !important;
    justify-content: center !important;
    padding: 8px 14px !important;
    font-size: 0.76rem !important;
    box-sizing: border-box !important;
  }

  /* Secciones Generales y Títulos */
  .section {
    padding: 42px 14px !important;
    max-width: 100% !important;
  }
  .section-header {
    margin-bottom: 28px !important;
  }
  .section-tag {
    font-size: 0.68rem !important;
    margin-bottom: 6px !important;
  }
  .section-title {
    font-size: clamp(1.20rem, 4.5vw, 1.50rem) !important;
    line-height: 1.25 !important;
    margin-bottom: 8px !important;
  }
  .section-desc {
    font-size: 0.84rem !important;
    line-height: 1.45 !important;
  }

  /* Cuadrículas Apiladas en Móvil (1 Columna Fluida sin desbordamiento) */
  .hero-stats-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 10px !important;
  }
  .stat-card {
    padding: 12px 10px !important;
  }
  .stat-val {
    font-size: 1.25rem !important;
  }
  .stat-lbl {
    font-size: 0.68rem !important;
  }

  .comparison-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }
  .comparison-card {
    padding: 18px 14px !important;
  }

  .jewels-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }
  .jewel-card {
    padding: 18px 14px !important;
  }

  .sector-grid {
    grid-template-columns: 1fr !important;
    gap: 14px !important;
  }
  .sector-card {
    padding: 16px 14px !important;
  }

  .vault-grid {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }
  .vault-card {
    padding: 14px !important;
  }
}