/* ==========================================================================
   INFRA QUANTUM — DESIGN SYSTEM V2.2
   Apple-Minimalist · Alto Contraste · UX Optimizado
   Fuentes: Sistema primero, Google Fonts como mejora progresiva
   ========================================================================== */

/* ============================================================
   VARIABLES GLOBALES
   ============================================================ */
:root {
  /* Tipografía original — Inter para todo el texto y sistema Apple */
  --font-display: 'Montserrat', -apple-system, 'SF Pro Display', -apple-system-headline, 'Helvetica Neue', Arial, sans-serif;
  --font-body:    'Inter', -apple-system, 'SF Pro Text',    BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Paleta oscura */
  --dark-00: #020406;
  --dark-01: #05070B;
  --dark-02: #090C14;
  --dark-03: #0D1120;
  --dark-04: #12172A;

  /* Paleta clara */
  --light-00: #FFFFFF;
  --light-01: #F5F7FA;
  --light-02: #E8EDF4;

  /* Texto oscuro → claro (Optimizados para máximo brillo y legibilidad) */
  --t-primary:   #FFFFFF;
  --t-secondary: #FFFFFF;
  --t-muted:     rgba(255, 255, 255, 0.75);

  /* Texto claro → oscuro */
  --t-dark:      #0A0D14;
  --t-dark-sub:  #334155;
  --t-dark-muted:#64748B;

  /* Acento azul */
  --blue:        #0077FF;
  --blue-bright: #0094FF;
  --cyan:        #00C4FF;
  --blue-glow:   rgba(0,119,255,0.42);

  /* Bordes */
  --bd-dark:   rgba(255,255,255,0.08);
  --bd-dark-h: rgba(0,140,255,0.48);
  --bd-light:  rgba(10,13,20,0.09);
  --bd-light-h:rgba(0,119,255,0.36);

  /* Radios */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --r-xl: 32px;
  --r-full: 9999px;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-tap-highlight-color: transparent;
  scroll-padding-top: 80px;
  scroll-behavior: smooth;
  background: var(--dark-01);
  color: var(--t-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  /* Fuerza el browser a NO activar Reader Mode */
  -webkit-text-size-adjust: 100%;
}

body {
  overflow-x: hidden;
  min-height: 100vh;
}

h1,h2,h3,h4,h5,h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

img { display: block; max-width: 100%; }
a   { color: inherit; text-decoration: none; }
ul  { list-style: none; }

/* ============================================================
   UTILIDADES
   ============================================================ */
.text-blue { color: var(--blue); }
.text-cyan { color: #0099FF !important; }
.subtag-future { color: #0099FF !important; }

/* Etiqueta de sección */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 3.5px;
  text-transform: uppercase;
  color: var(--t-muted);
  margin-bottom: 16px;
}
.section-tag::after {
  content: ;
  display: inline-block;
  width: 28px;
  height: 1px;
  background: currentColor;
}
.section-tag.on-light { color: var(--t-dark-muted); }

/* ============================================================
   BOTONES
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 13px 26px;
  border-radius: var(--r-full);
  cursor: pointer;
  border: none;
  outline: none;
  transition: all 0.26s cubic-bezier(0.16,1,0.3,1);
  white-space: nowrap;
  text-decoration: none;
}

.btn-white {
  background: #FFFFFF;
  color: var(--dark-01);
  box-shadow: 0 4px 16px rgba(255,255,255,0.1);
}
.btn-white:hover {
  background: #EDF2F7;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(255,255,255,0.2);
}

.btn-blue {
  background: var(--blue);
  color: #FFFFFF;
  box-shadow: 0 0 32px var(--blue-glow);
}
.btn-blue:hover {
  background: #005FCC;
  transform: translateY(-2px);
  box-shadow: 0 0 48px rgba(0,119,255,0.55);
}

.btn-outline {
  background: transparent;
  color: #FFFFFF;
  border: 1px solid rgba(255,255,255,0.22);
}
.btn-outline:hover {
  border-color: var(--blue);
  color: var(--cyan);
  background: rgba(0,119,255,0.07);
}

/* ============================================================
   NAVBAR — MAIN PAGE ORIGINAL STYLE (REPLICATED ACROSS ALL PAGES)
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  z-index: 999;
  padding: 20px 0;
  background: linear-gradient(180deg, rgba(5,7,11,0.85) 0%, rgba(5,7,11,0.6) 60%, transparent 100%);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: background 0.35s ease, padding 0.3s ease, box-shadow 0.3s ease;
  box-sizing: border-box;
}
.site-header.scrolled {
  background: rgba(5,7,11,0.95) !important;
  backdrop-filter: blur(24px) !important;
  -webkit-backdrop-filter: blur(24px) !important;
  border-bottom: 1px solid rgba(255,255,255,0.12) !important;
  padding: 13px 0 !important;
  box-shadow: 0 6px 28px rgba(0,0,0,0.6) !important;
}

.nav-container {
  max-width: 1380px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  box-sizing: border-box;
}

/* Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
}
.logo-img {
  height: 38px;
  width: auto;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
  transition: transform 0.3s ease, filter 0.3s ease;
  filter: drop-shadow(0 0 16px rgba(0, 150, 255, 0.9)) drop-shadow(0 0 30px rgba(0, 119, 255, 0.6)) brightness(1.3) contrast(1.2);
}
.brand-logo:hover .logo-img {
  transform: scale(1.06);
  filter: drop-shadow(0 0 22px rgba(0, 190, 255, 1)) drop-shadow(0 0 40px rgba(0, 119, 255, 0.8)) brightness(1.4) contrast(1.25);
}

.brand-wordmark {
  font-family: 'Montserrat', sans-serif !important;
  font-weight: 300 !important;
  font-size: 14px;
  letter-spacing: 3px;
  text-transform: uppercase;
  line-height: 1;
  white-space: nowrap;
  color: #FFFFFF;
  text-shadow: 0 0 14px rgba(255, 255, 255, 0.6);
}
.brand-infra {
  color: #FFFFFF !important;
  font-weight: 700 !important;
}
.brand-quantum {
  color: #0099FF !important;
  font-weight: 300 !important;
  text-shadow: 0 0 14px rgba(0, 148, 255, 0.7);
}
.brand-tm {
  color: #0099FF !important;
  font-size: 8px;
  vertical-align: super;
  letter-spacing: 0;
  text-shadow: 0 0 10px rgba(0, 148, 255, 0.8);
}

/* Nav links */
.nav-menu {
  display: flex !important;
  align-items: center !important;
  gap: 40px !important;
  list-style: none !important;
  margin: 0 !important;
  padding: 0 !important;
}
.nav-menu li {
  margin: 0 !important;
  padding: 0 !important;
  list-style: none !important;
}
.nav-link {
  font-family: 'Montserrat', var(--font-display), sans-serif !important;
  font-size: 13px !important;
  font-weight: 700 !important;
  letter-spacing: 1.8px !important;
  font-size: 14px !important;
  font-weight: 600 !important;
  letter-spacing: 1.5px !important;
  text-transform: uppercase !important;
  color: #FFFFFF !important;
  text-decoration: none !important;
  padding: 8px 0 !important;
  position: relative !important;
  transition: all 0.2s ease !important;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8), 0 0 1px #000 !important;
  display: inline-block !important;
}
.nav-link:hover {
  color: #38BDF8 !important;
  text-shadow: 0 0 16px rgba(56, 189, 248, 0.95), 0 2px 10px rgba(0, 0, 0, 0.9) !important;
}
.nav-link.active {
  color: #0099FF !important;
  font-weight: 800 !important;
  text-shadow: 0 0 18px rgba(0, 153, 255, 0.95), 0 2px 10px rgba(0, 0, 0, 0.9) !important;
}
.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: #0099FF;
  box-shadow: 0 0 10px #0066FF, 0 0 20px #0099FF;
  transition: width 0.28s ease;
}
.nav-link:hover::after,
.nav-link.active::after {
  width: 100% !important;
}

.nav-actions {
  display: flex !important;
  align-items: center !important;
  gap: 16px !important;
  position: relative !important;
}
.lang-btn {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 6px !important;
  background: rgba(255,255,255,0.1) !important;
  border: 1px solid rgba(255,255,255,0.25) !important;
  color: #FFFFFF !important;
  padding: 7px 18px !important;
  border-radius: 9999px !important;
  font-family: 'Montserrat', var(--font-display), sans-serif !important;
  font-size: 11px !important;
  font-weight: 800 !important;
  font-size: 12px !important;
  font-weight: 700 !important;
  letter-spacing: 1.5px !important;
  cursor: pointer !important;
  transition: all 0.2s ease !important;
  text-decoration: none !important;
  line-height: 1 !important;
}
.lang-btn:hover {
  border-color: #0099FF !important;
  background: rgba(0,119,255,0.2) !important;
  color: #FFFFFF !important;
}

.nav-cta-btn {
  font-family: 'Montserrat', var(--font-display), sans-serif !important;
  font-size: 13px !important;
  font-weight: 700 !important;
  font-size: 13.5px !important;
  font-weight: 600 !important;
  color: #FFFFFF !important;
  text-decoration: none !important;
  padding: 7px 8px !important;
  background: none !important;
  border: none !important;
  cursor: pointer !important;
  letter-spacing: 0.5px !important;
  transition: all 0.2s ease !important;
  white-space: nowrap !important;
  display: inline-block !important;
}
.nav-cta-btn:hover {
  color: #38BDF8 !important;
  text-shadow: 0 0 12px rgba(56, 189, 248, 0.85) !important;
  background: none !important;
  transform: none !important;
  box-shadow: none !important;
}

/* On desktop (> 768px), mobile controls are strictly hidden */
@media (min-width: 769px) {
  .nav-toggle {
    display: none !important;
  }
  .mobile-drawer {
    display: none !important;
  }
  .mobile-back-to-top {
    display: none !important;
  }
}

/* ============================================================
   RESPONSIVE NAVBAR & MOBILE DRAWER (UX ENHANCED)
   ============================================================ */

/* Tablet & Mobile Breakpoint (<= 768px) */
@media (max-width: 768px) {
  .site-header {
    padding: 12px 0 !important;
    background: rgba(5, 7, 11, 0.94) !important;
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important;
  }

  .nav-container {
    padding: 0 20px !important;
    max-width: 100% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 12px !important;
  }

  /* Hide Desktop Horizontal Menu */
  .site-header .nav-menu,
  nav:not(.mobile-drawer-nav) {
    display: none !important;
  }

  /* Logo adjustment for mobile */
  .brand-logo {
    gap: 8px !important;
  }
  .brand-logo .logo-img {
    height: 32px !important;
  }
  .brand-wordmark {
    font-size: 12px !important;
    letter-spacing: 2px !important;
  }

  /* Header actions on mobile */
  .nav-actions {
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
  }

  .lang-btn {
    padding: 6px 12px !important;
    font-size: 11px !important;
    font-weight: 800 !important;
    border-radius: 9999px !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    background: rgba(255, 255, 255, 0.08) !important;
    color: #FFFFFF !important;
    line-height: 1 !important;
    min-height: 36px;
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    letter-spacing: 1.5px;
    text-decoration: none !important;
  }

  .nav-cta-btn {
    display: none !important;
  }

  /* Hamburger Toggle Button */
  .nav-toggle {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 12px;
    cursor: pointer;
    padding: 0;
    transition: all 0.25s ease;
    color: #FFFFFF;
    -webkit-tap-highlight-color: transparent;
    flex-shrink: 0;
  }
  .nav-toggle:hover {
    background: rgba(0, 153, 255, 0.15);
    border-color: #0099FF;
    box-shadow: 0 0 16px rgba(0, 153, 255, 0.35);
  }
  .nav-toggle:active {
    transform: scale(0.95);
  }

  /* Hamburger Icon Bars */
  .nav-toggle-icon {
    width: 20px;
    height: 14px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }
  .nav-toggle-icon .bar {
    display: block;
    width: 100%;
    height: 2px;
    background: #FFFFFF;
    border-radius: 2px;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease, background-color 0.2s ease;
    transform-origin: center;
  }

  /* State when Open (Active) */
  .nav-toggle.active .bar:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
    background: #0099FF;
  }
  .nav-toggle.active .bar:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
  }
  .nav-toggle.active .bar:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
    background: #0099FF;
  }

  /* Mobile Drawer Container */
  .mobile-drawer {
    display: block !important;
    position: fixed !important;
    inset: 0 !important;
    z-index: 100000 !important;
    pointer-events: none;
    visibility: hidden;
    transition: visibility 0.35s ease;
  }
  .mobile-drawer.open {
    pointer-events: auto !important;
    visibility: visible !important;
  }

  /* Backdrop blur overlay */
  .mobile-drawer-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(2, 4, 8, 0.8);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    opacity: 0;
    transition: opacity 0.35s ease;
  }
  .mobile-drawer.open .mobile-drawer-backdrop {
    opacity: 1;
  }

  /* Drawer panel */
  .mobile-drawer-panel {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    max-width: 360px;
    height: 100%;
    background: linear-gradient(180deg, #070B14 0%, #03060C 100%);
    border-left: 1px solid rgba(0, 153, 255, 0.25);
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.8), 0 0 30px rgba(0, 153, 255, 0.1);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 24px 20px 32px 20px;
    padding-bottom: max(32px, env(safe-area-inset-bottom, 32px));
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    transform: translateX(100%);
    transition: transform 0.38s cubic-bezier(0.16, 1, 0.3, 1);
    box-sizing: border-box;
  }
  .mobile-drawer.open .mobile-drawer-panel {
    transform: translateX(0);
  }

  /* Drawer Header */
  .mobile-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 16px;
  }
  .mobile-drawer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
  }
  .mobile-drawer-logo {
    height: 28px;
    width: auto;
  }
  .mobile-drawer-close {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 50%;
    color: #FFFFFF;
    cursor: pointer;
    transition: all 0.2s ease;
    -webkit-tap-highlight-color: transparent;
  }
  .mobile-drawer-close:hover,
  .mobile-drawer-close:active {
    background: rgba(0, 153, 255, 0.2);
    border-color: #0099FF;
    color: #0099FF;
  }

  /* Navigation Links List */
  .mobile-drawer-nav {
    flex: 1;
    display: flex;
    flex-direction: column;
  }
  .mobile-nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
  }
  .mobile-nav-item {
    margin: 0;
    padding: 0;
  }
  .mobile-nav-link {
    display: flex !important;
    align-items: center;
    justify-content: space-between;
    padding: 13px 16px !important;
    border-radius: 12px;
    font-family: 'Montserrat', var(--font-display), sans-serif !important;
    font-size: 13.5px !important;
    font-weight: 700 !important;
    letter-spacing: 1.5px !important;
    text-transform: uppercase !important;
    color: rgba(255, 255, 255, 0.85) !important;
    text-decoration: none !important;
    background: transparent;
    border: 1px solid transparent;
    transition: all 0.22s ease;
    -webkit-tap-highlight-color: transparent;
    min-height: 48px;
  }
  .mobile-nav-link:hover,
  .mobile-nav-link:active {
    background: rgba(0, 153, 255, 0.1) !important;
    color: #FFFFFF !important;
    border-color: rgba(0, 153, 255, 0.3) !important;
    padding-left: 20px !important;
  }
  .mobile-nav-link.active {
    background: linear-gradient(90deg, rgba(0, 153, 255, 0.18) 0%, rgba(0, 153, 255, 0.04) 100%) !important;
    color: #0099FF !important;
    border-color: rgba(0, 153, 255, 0.4) !important;
    font-weight: 800 !important;
  }
  .mobile-nav-index {
    font-size: 11px;
    font-weight: 800;
    color: #0099FF;
    letter-spacing: 1px;
    margin-right: 12px;
    opacity: 0.85;
  }
  .mobile-nav-arrow {
    opacity: 0.4;
    transition: transform 0.2s ease, opacity 0.2s ease;
  }
  .mobile-nav-link:hover .mobile-nav-arrow,
  .mobile-nav-link:active .mobile-nav-arrow {
    opacity: 1;
    transform: translateX(3px);
    color: #0099FF;
  }

  /* Drawer Footer */
  .mobile-drawer-footer {
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 18px;
  }
  .mobile-drawer-cta {
    display: flex !important;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 14px 20px;
    background: #0066FF !important;
    color: #FFFFFF !important;
    text-decoration: none !important;
    font-family: 'Montserrat', var(--font-display), sans-serif !important;
    font-size: 12px !important;
    font-weight: 800 !important;
    letter-spacing: 2px !important;
    text-transform: uppercase !important;
    border-radius: 9999px;
    box-shadow: 0 0 20px rgba(0, 102, 255, 0.5);
    transition: all 0.2s ease;
    min-height: 48px;
    border: none;
    cursor: pointer;
  }
  .mobile-drawer-cta:hover,
  .mobile-drawer-cta:active {
    background: #0094FF !important;
    box-shadow: 0 0 30px rgba(0, 148, 255, 0.8);
    transform: scale(0.98);
  }

  .mobile-drawer-lang-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
  }
  .mobile-drawer-lang-link {
    font-family: 'Montserrat', var(--font-display), sans-serif;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.6);
    padding: 6px 14px;
    border-radius: 9999px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.2s ease;
    text-decoration: none;
  }
  .mobile-drawer-lang-link.active {
    color: #0099FF;
    border-color: #0099FF;
    background: rgba(0, 153, 255, 0.1);
  }

  /* Back to Top Floating Button */
  .mobile-back-to-top {
    display: flex !important;
    position: fixed;
    bottom: 22px;
    right: 20px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(6, 11, 24, 0.88);
    border: 1px solid rgba(0, 153, 255, 0.35);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: #FFFFFF;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6), 0 0 15px rgba(0, 153, 255, 0.2);
    cursor: pointer;
    z-index: 990;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease, border-color 0.2s ease;
    -webkit-tap-highlight-color: transparent;
  }
  .mobile-back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .mobile-back-to-top:hover,
  .mobile-back-to-top:active {
    background: rgba(0, 102, 255, 0.3);
    border-color: #0099FF;
    box-shadow: 0 0 25px rgba(0, 153, 255, 0.6);
  }
}

/* Body Scroll Lock */
body.mobile-nav-open,
html.mobile-nav-open {
  overflow: hidden !important;
  touch-action: none;
}


.hero-section {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--dark-01);
  /* Espacio para el navbar transparente */
  padding-top: 0;
  padding-bottom: 0;
}

/* Contenedor del video/GIF ocupa TODO el hero */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}
.hero-bg img,
.hero-bg video,
.hero-media {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
  opacity: 1;
}

/* Capa de fade para suavizar el loop del GIF
   — se usa cuando no hay video MP4 disponible */
.hero-bg-fade {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: var(--dark-01);
  opacity: 0;
  animation: gifLoopFade var(--gif-duration, 8s) linear infinite;
}

@keyframes gifLoopFade {
  0%   { opacity: 0; }
  88%  { opacity: 0; }
  94%  { opacity: 0.85; }
  100% { opacity: 0; }
}

/* VIDEO — solución definitiva sin salto de loop */
.hero-bg video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
}

/* Overlay suave: texto legible, GIF visible a la derecha */
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  /* Degradado horizontal: oscuro izquierda → casi transparente derecha */
  /* Degradado vertical: oscuro top (navbar) → oscuro bottom (transición a siguiente sección) */
  background:
    linear-gradient(
      to right,
      rgba(5,7,11,0.90) 0%,
      rgba(5,7,11,0.75) 30%,
      rgba(5,7,11,0.40) 58%,
      rgba(5,7,11,0.10) 80%,
      rgba(5,7,11,0.00) 100%
    ),
    linear-gradient(
      to bottom,
      rgba(5,7,11,0.55) 0%,
      rgba(5,7,11,0.00) 20%,
      rgba(5,7,11,0.00) 75%,
      rgba(5,7,11,0.95) 95%,
      #05070B 100%
    );
}

/* Contenido del hero sobre el GIF */
.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1380px;
  margin: 0 auto;
  padding: 120px 40px 100px 40px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 40px;
  min-height: 100vh;
}

.hero-main { max-width: 680px; }

.hero-heading {
  font-family: var(--font-display);
  font-size: clamp(44px, 5.8vw, 80px);
  font-weight: 900;
  text-transform: uppercase;
  line-height: 1.03;
  letter-spacing: -0.015em;
  color: #FFFFFF;
  margin-bottom: 24px;
  /* Sombra sutil para separar del fondo claro del GIF */
  text-shadow: 0 2px 24px rgba(0,0,0,0.7), 0 0 2px rgba(0,0,0,0.5);
}
.hero-heading .highlight {
  color: var(--blue-bright);
  text-shadow:
    0 0 50px rgba(0,148,255,0.7),
    0 2px 24px rgba(0,0,0,0.7);
}

.hero-desc {
  font-size: clamp(16px, 1.5vw, 20px);
  line-height: 1.65;
  color: #FFFFFF;
  margin-bottom: 36px;
  max-width: 560px;
  font-weight: 400;
  text-shadow: 0 2px 10px rgba(0,0,0,0.8);
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.hero-link {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.9);
  text-decoration: none;
  position: relative;
  padding-bottom: 3px;
  transition: color 0.2s ease;
}
.hero-link::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 1px;
  background: rgba(255,255,255,0.4);
  transition: background 0.25s ease;
}
.hero-link:hover { color: var(--cyan); }
.hero-link:hover::after { background: var(--cyan); }

/* Panel lateral hero */
.hero-sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: flex-end;
  text-align: right;
}
.hero-nav-item {
  font-family: var(--font-display);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 3.5px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: color 0.3s ease;
}
.hero-nav-item::after {
  content: "";
  display: inline-block;
  width: 14px; height: 1px;
  background: currentColor;
}
.hero-nav-item.active,
.hero-nav-item:hover { color: #FFFFFF; }

/* ============================================================
   SECCIÓN 2 — ÁREAS DE ACCIÓN (BLANCO EDITORIAL)
   ============================================================ */
.areas-section {
  background: var(--light-00);
  color: var(--t-dark);
  padding: 120px 0;
  position: relative;
  z-index: 5;
}

.areas-container {
  max-width: 1380px;
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 80px;
  align-items: start;
}

.areas-intro {
  position: sticky;
  top: 120px;
}

.areas-heading {
  font-family: var(--font-display);
  font-size: clamp(38px, 4vw, 56px);
  font-weight: 800;
  line-height: 1.08;
  color: var(--t-dark);
  margin-bottom: 20px;
  letter-spacing: -0.03em;
}
.areas-desc {
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--t-dark-sub);
  margin-bottom: 32px;
}
.areas-btn-all {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--t-dark);
  transition: all 0.28s ease;
}
.areas-btn-all .circle-arrow {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--t-dark);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.28s ease, background 0.28s ease;
}
.areas-btn-all:hover .circle-arrow {
  background: var(--blue);
  transform: translateX(4px);
}

.areas-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.area-card {
  background: var(--light-00);
  border: 1px solid var(--bd-light);
  border-radius: var(--r-lg);
  padding: 30px 22px;
  display: flex;
  flex-direction: column;
  transition: all 0.3s cubic-bezier(0.16,1,0.3,1);
}
.area-card:hover {
  transform: translateY(-5px);
  border-color: var(--bd-light-h);
  box-shadow: 0 16px 36px rgba(0,119,255,0.07);
}

.area-icon-wrap {
  width: 46px; height: 46px;
  border-radius: 11px;
  background: rgba(0,119,255,0.07);
  color: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: all 0.28s ease;
}
.area-card:hover .area-icon-wrap {
  background: var(--blue);
  color: #FFFFFF;
  transform: scale(1.05);
}

.area-title {
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 700;
  color: var(--t-dark);
  margin-bottom: 9px;
  line-height: 1.3;
}
.area-text {
  font-size: 13.5px;
  line-height: 1.62;
  color: var(--t-dark-sub);
}

/* ============================================================
   SECCIÓN 3 — QUIÉNES SOMOS (DARK)
   ============================================================ */
.quienes-section {
  background: var(--dark-02);
  color: var(--t-primary);
  padding: 120px 0;
  border-top: 1px solid var(--bd-dark);
}

.quienes-container {
  max-width: 1380px;
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.quienes-content { max-width: 520px; }

.quienes-heading {
  font-size: clamp(34px, 3.8vw, 52px);
  font-weight: 800;
  line-height: 1.1;
  color: #FFFFFF;
  margin-bottom: 22px;
  letter-spacing: -0.025em;
}
.quienes-desc {
  font-size: 16px;
  line-height: 1.72;
  color: var(--t-secondary);
  margin-bottom: 36px;
}

.quienes-visual-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.quienes-visual-card {
  position: relative;
  width: 100%;
  max-width: 540px;
  aspect-ratio: 3 / 2;
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: 0 28px 65px rgba(0,0,0,0.7), 0 0 35px rgba(0, 148, 255, 0.15);
}
.quienes-visual-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
}
.quienes-pillars-track {
  position: absolute;
  right: -44px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-family: var(--font-display);
  font-size: 8.5px;
  font-weight: 800;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--t-muted);
}

/* ============================================================
   SECCIÓN 4 — PROPÓSITO (DARK SPLIT — UX OPTIMIZADA)
   ============================================================ */
.proposito-section {
  background: var(--dark-01);
  padding: 100px 0;
  border-top: 1px solid var(--bd-dark);
}

.proposito-container {
  max-width: 1380px;
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 64px;
  align-items: stretch;
}

.proposito-img-box {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  min-height: 540px;
  height: 100%;
  border: 1px solid rgba(0, 148, 255, 0.25);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6), 0 0 50px rgba(0, 148, 255, 0.12);
}
.proposito-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 12%;
  transition: transform 0.5s ease;
}
.proposito-img-box:hover img {
  transform: scale(1.02);
}

.proposito-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.proposito-heading {
  font-size: clamp(32px, 3.8vw, 46px);
  font-weight: 800;
  line-height: 1.15;
  color: #FFFFFF;
  margin: 10px 0 16px 0;
  letter-spacing: -0.02em;
}
.proposito-desc {
  font-size: 15.5px;
  line-height: 1.68;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 26px;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 28px;
}
.value-pill {
  background: rgba(16, 22, 34, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--r-md);
  padding: 16px 18px;
  transition: all 0.25s ease;
}
.value-pill:hover {
  background: rgba(0, 148, 255, 0.08);
  border-color: rgba(0, 148, 255, 0.4);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}
.value-pill-num {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 800;
  color: var(--blue-bright);
  letter-spacing: 1.5px;
  margin-bottom: 4px;
}
.value-pill-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 4px;
}
.value-pill-desc {
  font-size: 12.5px;
  line-height: 1.48;
  color: rgba(255, 255, 255, 0.72);
}

/* ============================================================
   SECCIÓN — PRIMER NIVEL QUANTUM I (3 NOVIEMBRE)
   ============================================================ */
.quantum-feature-section {
  background: linear-gradient(180deg, #020306 0%, #050a16 100%);
  padding: 110px 0;
  position: relative;
  border-top: 1px solid var(--bd-dark);
  overflow: hidden;
}
.quantum-feature-container {
  max-width: 1380px;
  margin: 0 auto;
  padding: 0 40px;
  position: relative;
  z-index: 2;
}
.quantum-grid {
  display: grid;
  grid-template-columns: 460px 1fr;
  gap: 64px;
  align-items: center;
}
.quantum-poster-wrap {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(0, 148, 255, 0.4);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8), 0 0 60px rgba(0, 148, 255, 0.25);
  background: #000;
}
.quantum-poster-img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.4s ease;
}
.quantum-poster-wrap:hover .quantum-poster-img {
  transform: scale(1.02);
}
.quantum-date-tag {
  position: absolute;
  top: 18px;
  left: 18px;
  background: #0077FF;
  color: #FFFFFF;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 2px;
  padding: 8px 18px;
  border-radius: var(--r-full);
  box-shadow: 0 4px 15px rgba(0, 119, 255, 0.5);
  text-transform: uppercase;
}
.quantum-info-col {
  display: flex;
  flex-direction: column;
}
.quantum-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--blue-bright);
  background: rgba(0, 148, 255, 0.1);
  border: 1px solid rgba(0, 148, 255, 0.3);
  padding: 6px 18px;
  border-radius: var(--r-full);
  margin-bottom: 16px;
  align-self: flex-start;
}
.quantum-heading {
  font-family: var(--font-display);
  font-size: clamp(36px, 4.5vw, 54px);
  font-weight: 900;
  color: #FFFFFF;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.quantum-tagline {
  font-family: var(--font-display);
  font-size: 13.5px;
  font-weight: 800;
  letter-spacing: 3.5px;
  color: var(--blue-bright);
  text-transform: uppercase;
  margin-bottom: 18px;
}
.quantum-lead {
  font-size: 16px;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 28px;
  max-width: 650px;
}
.quantum-pillars-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 34px;
}
.quantum-pillar-box {
  background: rgba(16, 22, 34, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 14px 16px;
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  gap: 12px;
}
.quantum-pillar-icon {
  font-size: 18px;
  flex-shrink: 0;
}
.quantum-pillar-text h5 {
  font-family: var(--font-display);
  font-size: 12.5px;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 2px;
}
.quantum-pillar-text p {
  font-size: 11.5px;
  color: rgba(255, 255, 255, 0.65);
}
.quantum-cta-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.btn-stripe-pay {
  background: #0077FF;
  color: #FFFFFF !important;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 18px 34px;
  border-radius: var(--r-full);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 4px 25px rgba(0, 119, 255, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.35);
  transition: all 0.28s ease;
  cursor: pointer;
}
.btn-stripe-pay:hover {
  background: #0094FF;
  transform: translateY(-2px);
  box-shadow: 0 8px 35px rgba(0, 148, 255, 0.75);
}
.btn-whatsapp-sub {
  background: rgba(37, 211, 102, 0.12);
  border: 1px solid rgba(37, 211, 102, 0.35);
  color: #25D366;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  padding: 16px 26px;
  border-radius: var(--r-full);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: all 0.25s ease;
}
.btn-whatsapp-sub:hover {
  background: #25D366;
  color: #000;
  transform: translateY(-2px);
}

/* Stripe Modal */
.stripe-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.stripe-modal-overlay.active {
  display: flex;
}
.stripe-modal-box {
  background: #0A0F1D;
  border: 1px solid rgba(0, 148, 255, 0.35);
  border-radius: 20px;
  max-width: 480px;
  width: 100%;
  padding: 34px 28px;
  position: relative;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.9), 0 0 50px rgba(0, 119, 255, 0.2);
}
.stripe-modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  background: rgba(255, 255, 255, 0.08);
  border: none;
  color: #FFFFFF;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}
.stripe-modal-close:hover {
  background: rgba(255, 255, 255, 0.2);
}
.stripe-header {
  text-align: center;
  margin-bottom: 22px;
}
.stripe-logo-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: #635BFF;
  background: rgba(99, 91, 255, 0.1);
  border: 1px solid rgba(99, 91, 255, 0.3);
  padding: 4px 14px;
  border-radius: var(--r-full);
  margin-bottom: 10px;
}
.stripe-title {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 4px;
}
.stripe-amount {
  font-size: 26px;
  font-weight: 900;
  color: var(--blue-bright);
}
.stripe-secure-notice {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

@media (max-width: 1100px) {
  .quantum-grid { grid-template-columns: 1fr; gap: 40px; }
  .quantum-poster-wrap { max-width: 440px; margin: 0 auto; }
}
@media (max-width: 768px) {
  .quantum-pillars-strip { grid-template-columns: 1fr; }
}

/* ============================================================
   SECCIÓN — RECURSOS: LIBRO & QUANTUM I (COMPACT SPLIT)
   ============================================================ */
.compact-showcase-section {
  background: var(--dark-01);
  padding: 80px 0;
  border-top: 1px solid var(--bd-dark);
}
.compact-showcase-container {
  max-width: 1380px;
  margin: 0 auto;
  padding: 0 40px;
}
.compact-showcase-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.compact-card {
  background: linear-gradient(135deg, rgba(16, 22, 34, 0.85) 0%, rgba(8, 12, 20, 0.95) 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--r-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
  position: relative;
}
.compact-card:hover {
  border-color: rgba(0, 148, 255, 0.4);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.7), 0 0 35px rgba(0, 148, 255, 0.15);
}

/* Showcase Cards: Libro & Quantum */
.compact-book-card,
.compact-quantum-card {
  display: flex;
  flex-direction: column;
}
.compact-quantum-banner-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 2 / 1;
  overflow: hidden;
  background: #000;
}
.compact-quantum-banner {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  transition: transform 0.4s ease;
}
.compact-quantum-card:hover .compact-quantum-banner {
  transform: scale(1.04);
}
.compact-quantum-date-pill {
  position: absolute;
  top: 14px;
  left: 14px;
  background: #0077FF;
  color: #FFFFFF;
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 2px;
  padding: 6px 14px;
  border-radius: var(--r-full);
  box-shadow: 0 4px 15px rgba(0, 119, 255, 0.6);
  text-transform: uppercase;
}
.compact-quantum-body {
  padding: 24px 28px 28px 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

/* Common Details */
.compact-tag {
  font-family: var(--font-display);
  font-size: 9.5px;
  font-weight: 800;
  letter-spacing: 2.2px;
  text-transform: uppercase;
  color: var(--blue-bright);
  margin-bottom: 8px;
}
.compact-title {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.25;
  margin-bottom: 8px;
}
.compact-desc {
  font-size: 13.5px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 18px;
  flex: 1;
}
.compact-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

@media (max-width: 1200px) {
  .nav-menu {
    gap: 15px !important;
  }
  .nav-link {
    font-size: 11.5px !important;
    letter-spacing: 0.8px !important;
  }
  .nav-container {
    padding: 0 24px !important;
  }
}
@media (max-width: 768px) {
  .compact-showcase-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   SECCIÓN 5 — PROYECTOS (LIGHT)
   ============================================================ */
.proyectos-section {
  background: var(--light-01);
  color: var(--t-dark);
  padding: 120px 0;
  border-top: 1px solid var(--bd-light);
}

.proyectos-header {
  max-width: 1380px;
  margin: 0 auto 48px auto;
  padding: 0 40px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}
.proyectos-link-all {
  font-family: var(--font-display);
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--t-dark);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: color 0.2s ease;
}
.proyectos-link-all:hover { color: var(--blue); }

.proyectos-grid {
  max-width: 1380px;
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.proyecto-card {
  position: relative;
  height: 380px;
  border-radius: var(--r-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
  text-decoration: none;
  box-shadow: 0 12px 32px rgba(0,0,0,0.1);
  transition: transform 0.36s cubic-bezier(0.16,1,0.3,1), box-shadow 0.36s ease;
}
.proyecto-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 52px rgba(0,0,0,0.16);
}

.proyecto-card-bg { position: absolute; inset: 0; z-index: 1; }
.proyecto-card-bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.55s ease;
}
.proyecto-card:hover .proyecto-card-bg img { transform: scale(1.06); }

.proyecto-card-overlay {
  position: absolute; inset: 0; z-index: 2;
  background: linear-gradient(180deg,
    rgba(5,7,11,0.05) 0%,
    rgba(5,7,11,0.38) 40%,
    rgba(5,7,11,0.96) 100%
  );
}
.proyecto-card-content { position: relative; z-index: 3; }

.proyecto-tag {
  font-family: var(--font-display);
  font-size: 9.5px;
  font-weight: 800;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 9px;
}
.proyecto-title-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px;
}
.proyecto-title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1.28;
}
.proyecto-arrow-btn {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.2);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.28s ease;
}
.proyecto-card:hover .proyecto-arrow-btn {
  background: var(--blue);
  border-color: var(--blue);
  transform: scale(1.1);
}

/* ============================================================
   SECCIÓN 6 — ECOSISTEMA & PROGRAMAS (DARK)
   ============================================================ */
.ecosystem-section {
  background: var(--dark-01);
  padding: 120px 0;
  border-top: 1px solid var(--bd-dark);
}
.ecosystem-container {
  max-width: 1380px;
  margin: 0 auto;
  padding: 0 40px;
}
.ecosystem-heading {
  font-size: clamp(32px, 3.6vw, 46px);
  font-weight: 800;
  color: #FFFFFF;
  text-align: center;
  margin-bottom: 48px;
  letter-spacing: -0.02em;
}

.ecosystem-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 52px;
}

.program-card {
  background: var(--dark-03);
  border: 1px solid var(--bd-dark);
  border-radius: var(--r-xl);
  padding: 30px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-decoration: none;
  transition: all 0.3s ease;
  min-height: 240px;
}
.program-card:hover {
  transform: translateY(-5px);
  border-color: var(--bd-dark-h);
  box-shadow: 0 14px 40px rgba(0,119,255,0.1);
}

.program-tag {
  font-family: var(--font-display);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 11px;
}
.program-name {
  font-family: var(--font-display);
  font-size: 17.5px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 11px;
  line-height: 1.28;
}
.program-desc {
  font-size: 13px;
  line-height: 1.62;
  color: var(--t-secondary);
  margin-bottom: 20px;
  flex: 1;
}
.program-link {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  gap: 7px;
  transition: color 0.2s ease;
}
.program-card:hover .program-link { color: var(--cyan); }

/* ============================================================
   SECCIÓN DEDICADA — EL LIBRO OFICIAL (LIDERAZGO CUÁNTICO)
   ============================================================ */
.book-feature-section {
  background: #040711;
  padding: 120px 0;
  position: relative;
  border-top: 1px solid var(--bd-dark);
  overflow: hidden;
}
.book-container {
  max-width: 1380px;
  margin: 0 auto;
  padding: 0 40px;
  position: relative;
  z-index: 2;
}
.book-grid {
  display: grid;
  grid-template-columns: 460px 1fr;
  gap: 60px;
  align-items: center;
}
.book-visual-col {
  display: flex;
  justify-content: center;
  position: relative;
}
.book-mockup-wrapper {
  position: relative;
  max-width: 380px;
  width: 100%;
}
.book-glow {
  position: absolute;
  inset: -20px;
  background: radial-gradient(circle, rgba(0, 148, 255, 0.28) 0%, transparent 70%);
  filter: blur(40px);
  z-index: 0;
  pointer-events: none;
}
.book-cover-img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.85));
  transition: transform 0.4s ease;
}
.book-mockup-wrapper:hover .book-cover-img {
  transform: translateY(-6px) scale(1.02);
}
.book-edition-badge {
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.85);
  border: 1px solid rgba(0, 148, 255, 0.5);
  backdrop-filter: blur(10px);
  color: var(--blue-bright);
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 2.5px;
  padding: 6px 18px;
  border-radius: var(--r-full);
  white-space: nowrap;
  z-index: 2;
}
.book-info-col {
  display: flex;
  flex-direction: column;
}
.book-title {
  font-family: var(--font-display);
  font-size: clamp(34px, 4.2vw, 52px);
  font-weight: 900;
  line-height: 1.05;
  color: #FFFFFF;
  margin: 12px 0 16px 0;
  letter-spacing: -0.02em;
}
.book-lead {
  font-size: 16px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 32px;
  max-width: 620px;
}
.book-pillars-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 36px;
}
.book-pillar-item {
  display: flex;
  gap: 14px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 16px 18px;
  border-radius: var(--r-lg);
  transition: border-color 0.25s ease;
}
.book-pillar-item:hover {
  border-color: rgba(0, 148, 255, 0.3);
}
.book-pillar-num {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 900;
  color: var(--blue-bright);
  opacity: 0.85;
}
.book-pillar-content h4 {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 4px;
}
.book-pillar-content p {
  font-size: 12px;
  line-height: 1.45;
  color: rgba(255, 255, 255, 0.6);
}
.book-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ============================================================
   SECCIÓN DEDICADA — MERCHANDISING (EQUIPAMIENTO TÁCTICO)
   ============================================================ */
.merch-feature-section {
  background: #020408;
  padding: 120px 0;
  position: relative;
  border-top: 1px solid var(--bd-dark);
}
.merch-container {
  max-width: 1380px;
  margin: 0 auto;
  padding: 0 40px;
}
.merch-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 60px auto;
}
.merch-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 3.8vw, 46px);
  font-weight: 900;
  color: #FFFFFF;
  margin: 12px 0 14px 0;
  letter-spacing: -0.02em;
}
.merch-sub {
  font-size: 15px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.7);
}
.merch-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 48px;
}
.merch-product-card {
  background: linear-gradient(180deg, rgba(16, 22, 34, 0.6) 0%, rgba(9, 13, 22, 0.9) 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--r-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
}
.merch-product-card:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 148, 255, 0.4);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6);
}
.merch-product-card.featured {
  border-color: rgba(0, 148, 255, 0.35);
  box-shadow: 0 0 30px rgba(0, 119, 255, 0.12);
}
.merch-card-img-wrap {
  position: relative;
  width: 100%;
  height: 260px;
  background: #080c14;
  overflow: hidden;
}
.merch-prod-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.merch-product-card:hover .merch-prod-img {
  transform: scale(1.05);
}
.merch-tag-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
  font-family: var(--font-display);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: var(--r-full);
}
.merch-tag-badge.blue {
  color: var(--blue-bright);
  border-color: rgba(0, 148, 255, 0.4);
}
.merch-tag-badge.gold {
  color: #FBBF24;
  border-color: rgba(251, 191, 36, 0.4);
  background: rgba(251, 191, 36, 0.12);
}
.merch-card-body {
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.merch-prod-cat {
  font-family: var(--font-display);
  font-size: 9.5px;
  font-weight: 800;
  letter-spacing: 2.2px;
  text-transform: uppercase;
  color: var(--blue-bright);
  margin-bottom: 8px;
}
.merch-prod-title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.25;
  margin-bottom: 10px;
}
.merch-prod-desc {
  font-size: 13px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 22px;
  flex: 1;
}
.merch-prod-footer {
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.btn-merch-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #FFFFFF;
  text-decoration: none;
  transition: all 0.2s ease;
}
.btn-merch-link:hover {
  color: var(--blue-bright);
  transform: translateX(3px);
}
.btn-merch-link.highlight {
  color: var(--blue-bright);
}
.merch-bottom-cta {
  text-align: center;
  margin-top: 10px;
}

/* ============================================================
   SECCIÓN 6 — TESTIMONIOS INFINITOS (MARQUEE)
   ============================================================ */
.reviews-section {
  background: var(--dark-01);
  padding: 100px 0 90px 0;
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--bd-dark);
}

.reviews-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 50px auto;
  padding: 0 20px;
}

.reviews-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 3.5px;
  text-transform: uppercase;
  color: var(--cyan);
  background: rgba(0, 196, 255, 0.08);
  border: 1px solid rgba(0, 196, 255, 0.25);
  padding: 6px 18px;
  border-radius: var(--r-full);
  margin-bottom: 16px;
}

.reviews-title {
  font-family: var(--font-display);
  font-size: clamp(30px, 3.8vw, 44px);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: #FFFFFF;
}

.reviews-marquee-wrapper {
  width: 100%;
  overflow: hidden;
  position: relative;
  padding: 10px 0 30px 0;
  mask-image: linear-gradient(to right, transparent 0%, black 10%, black 90%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 10%, black 90%, transparent 100%);
}

.reviews-track {
  display: flex;
  width: max-content;
  will-change: transform;
  animation: marqueeReviews 38s linear infinite;
}
.reviews-track:hover {
  animation-play-state: paused;
}

@keyframes marqueeReviews {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.review-card {
  width: 360px;
  min-height: 270px;
  background: rgba(13, 17, 32, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--r-xl);
  padding: 32px 28px;
  margin: 0 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  flex-shrink: 0;
  transition: border-color 0.3s ease, transform 0.3s ease;
}
.review-card:hover {
  border-color: rgba(0, 140, 255, 0.5);
  transform: translateY(-4px);
  box-shadow: 0 14px 35px rgba(0, 119, 255, 0.12);
}

.review-stars {
  display: flex;
  gap: 4px;
  color: var(--blue-bright);
  margin-bottom: 16px;
}

.review-quote {
  font-size: 13.5px;
  line-height: 1.65;
  color: #FFFFFF;
  font-style: italic;
  margin-bottom: 24px;
}

.review-author-wrap {
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.review-metric {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--cyan);
  margin-bottom: 4px;
}

.review-author {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  color: #FFFFFF;
}

.review-role {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
}

/* ============================================================
   SECCIÓN 7 — FORMULARIO DE ADMISIÓN (IDÉNTICO AL ORIGINAL)
   ============================================================ */
.admission-section {
  background: #030508;
  padding: 100px 0 120px 0;
  position: relative;
  border-top: 1px solid var(--bd-dark);
}

.admission-container {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 30px;
}

.admission-header {
  text-align: center;
  margin-bottom: 40px;
}

.admission-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--blue-bright);
  margin-bottom: 14px;
}

.admission-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 46px);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  color: #FFFFFF;
  margin-bottom: 16px;
}

.admission-sub {
  font-size: 14.5px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.75);
  max-width: 640px;
  margin: 0 auto;
}

.admission-card {
  background: rgba(10, 14, 24, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--r-xl);
  padding: 44px 40px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}
.form-row.full-width {
  grid-template-columns: 1fr;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #FFFFFF;
}

.form-control {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  padding: 14px 18px;
  color: #FFFFFF;
  font-family: var(--font-body);
  font-size: 14px;
  outline: none;
  transition: all 0.2s ease;
}
.form-control::placeholder {
  color: rgba(255, 255, 255, 0.35);
}
.form-control:focus {
  border-color: var(--blue-bright);
  background: rgba(0, 119, 255, 0.06);
  box-shadow: 0 0 16px rgba(0, 140, 255, 0.3);
}

.select-wrapper {
  position: relative;
  width: 100%;
}
.form-select {
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  padding-right: 44px;
}
.form-select option {
  background: #0A0E18;
  color: #FFFFFF;
  padding: 10px;
}
.select-arrow {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--cyan);
}

.form-textarea {
  resize: vertical;
  min-height: 110px;
}

.btn-submit {
  width: 100%;
  padding: 20px 36px;
  margin-top: 14px;
  background: #0077FF;
  color: #FFFFFF !important;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--r-full);
  font-family: var(--font-display);
  font-size: 16px !important;
  font-weight: 900 !important;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.28s ease;
  box-shadow: 0 6px 30px rgba(0, 119, 255, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.4);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.btn-submit:hover {
  background: #0094FF;
  color: #FFFFFF !important;
  transform: translateY(-2px);
  box-shadow: 0 10px 42px rgba(0, 148, 255, 0.8), inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

/* ============================================================
   FOOTER — MINIMALISTA, ESTÁTICO E IDÉNTICO AL MOCKUP
   ============================================================ */
.site-footer {
  background: #020406;
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 60px 0 36px 0;
  position: relative;
  overflow: hidden;
  z-index: 10;
}

.footer-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}
.footer-bg video,
.footer-bg img,
.footer-media {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 85%;
  opacity: 0.35;
}

.footer-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, #020406 0%, rgba(2, 4, 6, 0.75) 40%, rgba(2, 4, 6, 0.95) 100%);
  pointer-events: none;
}

.footer-container {
  max-width: 1380px;
  margin: 0 auto;
  padding: 0 40px;
  position: relative;
  z-index: 2;
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 18px;
}

.footer-brand .brand-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.footer-brand .logo-img {
  height: 32px;
  width: auto;
  filter: drop-shadow(0 0 14px rgba(0, 150, 255, 0.85)) brightness(1.25) contrast(1.18);
}

.footer-brand .brand-wordmark {
  font-family: 'Montserrat', sans-serif;
  font-weight: 300;
  font-size: 14px;
  letter-spacing: 3px;
  text-transform: uppercase;
  line-height: 1;
  white-space: nowrap;
  color: #FFFFFF;
  text-shadow: 0 0 14px rgba(255, 255, 255, 0.6);
}

.footer-subtag {
  display: flex;
  flex-direction: column;
  font-size: 11px;
  line-height: 1.35;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.3px;
  border-left: 1px solid rgba(255,255,255,0.2);
  padding-left: 16px;
}
.footer-subtag .subtag-tech {
  color: rgba(255, 255, 255, 0.75);
}
.footer-subtag .subtag-future,
.subtag-future {
  color: #0099FF !important;
  font-weight: 500;
  text-shadow: 0 0 10px rgba(0, 148, 255, 0.4);
}

.footer-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  list-style: none;
}

.footer-nav a {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  color: #FFFFFF;
  text-decoration: none;
  transition: color 0.2s ease, text-shadow 0.2s ease;
}
.footer-nav a:hover {
  color: var(--blue-bright);
  text-shadow: 0 0 10px rgba(0, 148, 255, 0.6);
}

.footer-socials {
  display: flex;
  align-items: center;
  gap: 16px;
}

.social-icon-link {
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: color 0.2s ease, transform 0.2s ease;
}
.social-icon-link:hover {
  color: var(--blue-bright);
  transform: translateY(-1px);
}

.footer-bottom {
  padding-top: 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-size: 11px;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.3px;
}

.footer-copy {
  color: rgba(255,255,255,0.6);
}

.footer-values {
  display: flex;
  align-items: center;
  gap: 12px;
}
/* ============================================================
   SUBPAGES: EDITORIAL (LIBRO) & CURSO (QUANTUM I)
   ============================================================ */
.subpage-body {
  background: var(--dark-00);
  color: #FFFFFF;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.subpage-hero {
  position: relative;
  padding: 160px 24px 70px 24px;
  background: radial-gradient(circle at 50% 20%, rgba(0, 148, 255, 0.12) 0%, transparent 60%);
  text-align: center;
  overflow: hidden;
}
.subpage-hero-container {
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}
.subpage-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(0, 148, 255, 0.15);
  border: 1px solid rgba(0, 148, 255, 0.4);
  color: #0094FF;
  border-radius: var(--r-full);
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.subpage-title {
  font-family: var(--font-display);
  font-size: clamp(34px, 5.5vw, 68px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.5px;
  color: #FFFFFF;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.subpage-title .accent {
  color: #0094FF;
  text-shadow: 0 0 35px rgba(0, 148, 255, 0.5);
}
.subpage-subtitle {
  font-size: clamp(16px, 2vw, 20px);
  color: rgba(255, 255, 255, 0.85);
  max-width: 820px;
  margin: 0 auto 36px auto;
  line-height: 1.6;
  font-weight: 400;
}
.subpage-banner-wrap {
  max-width: 980px;
  margin: 0 auto 40px auto;
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.8), 0 0 40px rgba(0, 148, 255, 0.18);
  aspect-ratio: 2 / 1;
  background: #000;
}
.subpage-banner-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Editorial Legal Box */
.editorial-legal-box {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--r-lg);
  padding: 24px 30px;
  max-width: 900px;
  margin: 0 auto 60px auto;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.65);
}
.editorial-legal-box strong {
  color: #FFFFFF;
  letter-spacing: 1px;
}

/* Dedicatoria */
.dedicatoria-card {
  max-width: 820px;
  margin: 0 auto 70px auto;
  padding: 40px 48px;
  background: linear-gradient(135deg, rgba(14, 20, 32, 0.7) 0%, rgba(6, 10, 18, 0.9) 100%);
  border-left: 3px solid #0094FF;
  border-radius: 0 var(--r-lg) var(--r-lg) 0;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}
.dedicatoria-tag {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: #0094FF;
  margin-bottom: 14px;
}
.dedicatoria-text {
  font-size: 19px;
  line-height: 1.7;
  font-style: italic;
  color: #FFFFFF;
  font-weight: 400;
}

/* Editorial Block (Prólogo, Introducción, Capítulos) */
.editorial-container {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 24px;
}
.editorial-block {
  margin-bottom: 80px;
}
.editorial-heading-tag {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: #0094FF;
  margin-bottom: 10px;
}
.editorial-heading {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.5vw, 42px);
  font-weight: 900;
  color: #FFFFFF;
  text-transform: uppercase;
  letter-spacing: -0.5px;
  margin-bottom: 28px;
  position: relative;
  padding-bottom: 16px;
}
.editorial-heading::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 48px;
  height: 3px;
  background: #0094FF;
  border-radius: 2px;
}
.editorial-prose p {
  font-size: 16.5px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 22px;
  font-weight: 400;
}
.editorial-prose p strong {
  color: #FFFFFF;
  font-weight: 700;
}
.editorial-highlight-box {
  background: rgba(0, 148, 255, 0.06);
  border: 1px solid rgba(0, 148, 255, 0.25);
  border-radius: var(--r-md);
  padding: 24px 28px;
  margin: 30px 0;
  font-size: 17px;
  line-height: 1.7;
  color: #FFFFFF;
  font-weight: 500;
}

/* Las Tres Coordenadas */
.coordenadas-section {
  padding: 80px 24px;
  background: linear-gradient(180deg, rgba(2, 4, 6, 0) 0%, rgba(6, 12, 24, 0.6) 50%, rgba(2, 4, 6, 0) 100%);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.coordenadas-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
}
.coordenada-card {
  background: rgba(14, 20, 32, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--r-lg);
  padding: 36px 30px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.coordenada-card:hover {
  border-color: rgba(0, 148, 255, 0.5);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6), 0 0 30px rgba(0, 148, 255, 0.15);
}
.coordenada-num {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 2px;
  color: #0094FF;
  margin-bottom: 12px;
  text-transform: uppercase;
}
.coordenada-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 900;
  color: #FFFFFF;
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.coordenada-desc {
  font-size: 14.5px;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.78);
}

/* Índice de Capítulos */
.chapters-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 32px 0 50px 0;
}
.chapter-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--r-md);
  padding: 18px 22px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: all 0.25s ease;
}
.chapter-item:hover {
  background: rgba(0, 148, 255, 0.06);
  border-color: rgba(0, 148, 255, 0.3);
}
.chapter-badge {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 900;
  color: #0094FF;
  background: rgba(0, 148, 255, 0.12);
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.chapter-name {
  font-size: 15px;
  font-weight: 600;
  color: #FFFFFF;
  letter-spacing: 0.2px;
}

/* Syllabus del Curso Quantum I */
.syllabus-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
}
.syllabus-card {
  background: rgba(14, 20, 32, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--r-lg);
  padding: 32px 28px;
  transition: all 0.3s ease;
}
.syllabus-card:hover {
  border-color: rgba(0, 148, 255, 0.45);
  box-shadow: 0 14px 35px rgba(0, 0, 0, 0.6);
}
.syllabus-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.syllabus-mod-tag {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 2px;
  color: #0094FF;
  text-transform: uppercase;
}
.syllabus-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 12px;
}
.syllabus-desc {
  font-size: 14.5px;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: 16px;
}
.syllabus-points {
  list-style: none;
  padding: 0;
  margin: 0;
}
.syllabus-points li {
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.85);
  padding: 6px 0;
  display: flex;
  align-items: center;
  gap: 10px;
}
.syllabus-points li::before {
  content: '▸';
  color: #0094FF;
  font-size: 14px;
}

/* Barra Logística */
.logistics-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 1100px;
  margin: 0 auto 60px auto;
  background: rgba(10, 16, 26, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: var(--r-lg);
  padding: 24px;
}
.logistics-item {
  text-align: center;
  padding: 10px;
}
.logistics-label {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 6px;
}
.logistics-val {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  color: #FFFFFF;
}

/* FAQs Acordeón */
.faq-section {
  padding: 90px 24px;
  max-width: 900px;
  margin: 0 auto;
}
.faq-header {
  text-align: center;
  margin-bottom: 48px;
}
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: rgba(14, 20, 32, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: all 0.3s ease;
}
.faq-item:hover {
  border-color: rgba(0, 148, 255, 0.35);
}
.faq-item.active {
  border-color: rgba(0, 148, 255, 0.6);
  background: rgba(14, 22, 38, 0.95);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 148, 255, 0.1);
}
.faq-question {
  width: 100%;
  padding: 22px 26px;
  background: none;
  border: none;
  color: #FFFFFF;
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 700;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
}
.faq-icon {
  width: 20px;
  height: 20px;
  color: #0094FF;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}
.faq-item.active .faq-icon {
  transform: rotate(180deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 26px;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.78);
}
.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 26px 24px 26px;
}

/* CTA Final Box */
.subpage-cta-section {
  padding: 80px 24px 120px 24px;
  text-align: center;
}
.subpage-cta-card {
  max-width: 900px;
  margin: 0 auto;
  padding: 60px 40px;
  border-radius: var(--r-xl);
  background: radial-gradient(circle at 50% 0%, rgba(0, 148, 255, 0.2) 0%, rgba(8, 12, 22, 0.95) 70%);
  border: 1px solid rgba(0, 148, 255, 0.35);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 50px rgba(0, 148, 255, 0.15);
}
.subpage-cta-title {
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 44px);
  font-weight: 900;
  color: #FFFFFF;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.subpage-cta-desc {
  font-size: 16px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.8);
  max-width: 620px;
  margin: 0 auto 36px auto;
}
.subpage-cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

@media (max-width: 900px) {
  .proyectos-grid { grid-template-columns: 1fr !important; }
  .proyecto-card { height: 260px !important; }
  .coordenadas-grid { grid-template-columns: 1fr; }
  .chapters-grid { grid-template-columns: 1fr; }
  .syllabus-grid { grid-template-columns: 1fr; }
  .logistics-bar { grid-template-columns: repeat(2, 1fr); }
  .subpage-cta-card { padding: 40px 24px; }
  .dedicatoria-card { padding: 30px 24px; }
}


/* ============================================================
   RESPONSIVE DESIGN & MOBILE UX OPTIMIZATION
   ============================================================ */

@media (max-width: 1100px) {
  .hero-content            { grid-template-columns: 1fr; min-height: 100vh; }
  .hero-sidebar            { display: none; }
  .areas-container         { grid-template-columns: 1fr; gap: 48px; }
  .areas-intro             { position: static; }
  .areas-grid              { grid-template-columns: repeat(2, 1fr); }
  .quienes-container       { grid-template-columns: 1fr; }
  .quienes-visual-wrap     { justify-content: flex-start; }
  .quienes-pillars-track   { display: none; }
  .proposito-container     { grid-template-columns: 1fr; }
  .proposito-img-box       { height: 360px; }
  .proyectos-grid          { grid-template-columns: repeat(2, 1fr); }
  .ecosystem-grid          { grid-template-columns: repeat(2, 1fr); }
  .showcase-split          { grid-template-columns: 1fr; }
  .cta-banner-container    { flex-direction: column; padding-top: 100px; }
}

@media (max-width: 768px) {
  /* Prevent horizontal overflow and enable smooth tap feedback */
  html, body {
    overflow-x: hidden !important;
    width: 100% !important;
    scroll-padding-top: 72px !important;
  }

  /* Consistent container padding across all sections for mobile */
  .areas-container,
  .quienes-container,
  .proposito-container,
  .proyectos-header,
  .proyectos-container,
  .ecosystem-container,
  .compact-showcase-container,
  .contact-section-wrap,
  .footer-container {
    padding-left: 20px !important;
    padding-right: 20px !important;
  }

  /* Mobile Section Vertical Spacing */
  .areas-section,
  .quienes-section,
  .proposito-section,
  .proyectos-section,
  .ecosystem-section {
    padding-top: 56px !important;
    padding-bottom: 56px !important;
  }

  /* Hero Section */
  .hero-content {
    padding: 85px 20px 48px 20px !important;
    min-height: calc(100vh - 60px) !important;
  }
  .hero-heading {
    font-size: clamp(28px, 7.5vw, 42px) !important;
    line-height: 1.1 !important;
    margin-bottom: 18px !important;
    word-break: break-word !important;
  }
  .hero-desc {
    font-size: 15px !important;
    line-height: 1.6 !important;
    margin-bottom: 26px !important;
  }
  .hero-cta-group {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 12px !important;
    width: 100% !important;
    max-width: 340px !important;
  }
  .hero-cta-group .btn-white {
    width: 100% !important;
    justify-content: center !important;
    padding: 14px 22px !important;
    font-size: 12px !important;
  }
  .hero-cta-group .hero-link {
    text-align: center !important;
    padding: 10px 0 !important;
    display: inline-block !important;
  }

  /* Headings on mobile */
  .areas-heading,
  .quienes-heading,
  .proposito-heading {
    font-size: clamp(26px, 6.5vw, 36px) !important;
    line-height: 1.15 !important;
    margin-bottom: 16px !important;
  }
  .areas-desc,
  .quienes-desc,
  .proposito-desc {
    font-size: 15px !important;
    line-height: 1.6 !important;
    margin-bottom: 24px !important;
  }

  /* Áreas de acción */
  .areas-grid {
    grid-template-columns: 1fr !important;
    gap: 14px !important;
  }
  .area-card {
    padding: 22px 18px !important;
  }

  /* Quiénes somos: Clean alignment, uncropped building view */
  .quienes-visual-wrap {
    width: 100% !important;
    justify-content: center !important;
    margin-bottom: 28px !important;
  }
  .quienes-visual-card {
    width: 100% !important;
    max-width: 100% !important;
    aspect-ratio: 16/10 !important;
    border-radius: 18px !important;
    margin: 0 auto !important;
    overflow: hidden !important;
    border: 1px solid rgba(0, 148, 255, 0.25) !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7) !important;
  }
  .quienes-visual-card img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    object-position: center !important;
    display: block !important;
  }
  .quienes-pillars-track {
    display: none !important;
  }

  /* Propósito: Proportional container and responsive image position */
  .proposito-img-box {
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    min-height: auto !important;
    aspect-ratio: 16/10 !important;
    margin: 0 auto 24px auto !important;
    border-radius: 18px !important;
    overflow: hidden !important;
    border: 1px solid rgba(0, 148, 255, 0.25) !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7) !important;
  }
  .proposito-img-box img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    object-position: center 20% !important;
    display: block !important;
  }
  .quantum-pillars-strip {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
  }
  .quantum-pillar-box {
    padding: 12px 14px !important;
  }

  /* Compact Showcase (Libro & Quantum I on Home) */
  .compact-showcase-section {
    padding: 56px 0 !important;
  }
  .compact-showcase-grid {
    grid-template-columns: 1fr !important;
    gap: 22px !important;
  }
  .compact-book-card .compact-quantum-banner-wrap {
    aspect-ratio: 16/10 !important;
    background: radial-gradient(circle at center, rgba(0, 119, 255, 0.22) 0%, #05070B 85%) !important;
    padding: 16px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    box-sizing: border-box !important;
  }
  .compact-book-card .compact-quantum-banner {
    max-width: 85% !important;
    max-height: 85% !important;
    width: auto !important;
    height: auto !important;
    object-fit: contain !important;
    filter: drop-shadow(0 15px 30px rgba(0,0,0,0.95)) !important;
  }
  .compact-quantum-card .compact-quantum-banner-wrap {
    aspect-ratio: 16/9 !important;
    width: 100% !important;
    background: #000 !important;
  }
  .compact-quantum-card .compact-quantum-banner {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    object-position: center !important;
  }
  .compact-quantum-body {
    padding: 20px 18px 24px 18px !important;
  }
  .compact-actions {
    flex-direction: column !important;
    width: 100% !important;
    gap: 10px !important;
  }
  .compact-actions .btn {
    width: 100% !important;
    justify-content: center !important;
    text-align: center !important;
  }

  /* Dedicated Subpage Images & Elements */
  img[src*="quantum-1-vertical"] {
    width: 100% !important;
    max-width: 320px !important;
    height: auto !important;
    max-height: none !important;
    object-fit: contain !important;
    border-radius: 18px !important;
    margin: 0 auto !important;
    display: block !important;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.85), 0 0 25px rgba(0, 153, 255, 0.25) !important;
  }
  img[src*="book_mockup_clean"] {
    width: 100% !important;
    max-width: 270px !important;
    height: auto !important;
    object-fit: contain !important;
    margin: 0 auto !important;
    display: block !important;
    filter: drop-shadow(0 15px 35px rgba(0, 0, 0, 0.9)) !important;
  }
  img[src*="hero-speaker"] {
    width: 100% !important;
    max-width: 280px !important;
    aspect-ratio: 1/1 !important;
    object-fit: cover !important;
    border-radius: 18px !important;
    margin: 0 auto !important;
    display: block !important;
  }
  img[src*="merch/"] {
    max-height: 280px !important;
    width: auto !important;
    max-width: 100% !important;
    object-fit: contain !important;
    margin: 0 auto !important;
    display: block !important;
  }
  .subpage-cta-actions {
    flex-direction: column !important;
    width: 100% !important;
    gap: 12px !important;
  }
  .subpage-cta-actions .btn {
    width: 100% !important;
    max-width: 340px !important;
    justify-content: center !important;
    margin: 0 auto !important;
  }

  /* Proyectos Destacados (Mobile UX: Clean full-width cards) */
  .proyectos-section {
    padding: 56px 0 !important;
    background: var(--light-01) !important;
  }
  .proyectos-header {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 12px !important;
    margin-bottom: 24px !important;
    padding: 0 20px !important;
  }
  .proyectos-header h2 {
    font-size: clamp(24px, 6vw, 32px) !important;
    line-height: 1.15 !important;
  }
  .proyectos-grid {
    grid-template-columns: 1fr !important;
    gap: 18px !important;
    padding: 0 20px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .proyecto-card {
    height: 250px !important;
    width: 100% !important;
    border-radius: 20px !important;
    padding: 24px 20px !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.22) !important;
  }
  .proyecto-card-bg img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    object-position: center !important;
  }
  .proyecto-card-overlay {
    background: linear-gradient(180deg,
      rgba(5,7,11,0.05) 0%,
      rgba(5,7,11,0.48) 45%,
      rgba(5,7,11,0.96) 100%
    ) !important;
  }
  .proyecto-tag {
    font-size: 10px !important;
    letter-spacing: 2.2px !important;
    color: var(--cyan) !important;
    margin-bottom: 8px !important;
  }
  .proyecto-title-row {
    display: flex !important;
    align-items: flex-end !important;
    justify-content: space-between !important;
    gap: 14px !important;
  }
  .proyecto-title {
    font-size: 18px !important;
    line-height: 1.3 !important;
    font-weight: 700 !important;
    color: #FFFFFF !important;
    flex: 1 !important;
  }
  .proyecto-arrow-btn {
    width: 38px !important;
    height: 38px !important;
    flex-shrink: 0 !important;
    border-radius: 50% !important;
  }

  /* Ecosistema & Programas */
  .ecosystem-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }
  .showcase-card {
    flex-direction: column !important;
  }
  .showcase-img {
    width: 100% !important;
    height: 200px !important;
  }

  /* Contact & Admission Form: 16px min prevents iOS auto-zoom */
  .contact-section-wrap {
    padding: 32px 18px 36px 18px !important;
  }
  .form-grid {
    grid-template-columns: 1fr !important;
    gap: 14px !important;
  }
  input[type=text],
  input[type=email],
  input[type=tel],
  input[type=number],
  select,
  textarea {
    font-size: 16px !important;
    min-height: 48px !important;
    padding: 12px 16px !important;
    border-radius: 10px !important;
    width: 100% !important;
  }
  .form-submit-btn,
  #btnSubmitForm {
    width: 100% !important;
    min-height: 52px !important;
    justify-content: center !important;
    font-size: 12px !important;
    letter-spacing: 1.5px !important;
    padding: 14px 20px !important;
  }

  /* Footer */
  .footer-top {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 28px !important;
  }
  .footer-col {
    width: 100% !important;
  }
  .footer-link {
    display: inline-block !important;
    padding: 7px 0 !important;
    font-size: 13.5px !important;
    min-height: 36px !important;
  }
  .social-link {
    width: 44px !important;
    height: 44px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    border-radius: 50% !important;
    background: rgba(255, 255, 255, 0.08) !important;
  }
  .footer-bottom {
    flex-direction: column !important;
    gap: 16px !important;
    text-align: center !important;
    align-items: center !important;
  }
}

@media (max-width: 480px) {
  .hero-content {
    padding: 78px 16px 40px 16px !important;
  }
  .areas-container,
  .quienes-container,
  .proposito-container,
  .proyectos-header,
  .proyectos-container,
  .ecosystem-container,
  .compact-showcase-container,
  .contact-section-wrap,
  .footer-container {
    padding-left: 16px !important;
    padding-right: 16px !important;
  }
  .hero-heading {
    font-size: 30px !important;
  }
  .btn {
    padding: 13px 20px !important;
  }
}