/* ============================================================
   InteractIA — estilos base, animaciones y componentes
   Paleta: navy #080B1A · azul eléctrico #3D6FFF · texto #CBD5E1
   ============================================================ */

:root {
  --navy: #080B1A;
  --electric: #3D6FFF;
  --electric-soft: rgba(61, 111, 255, 0.55);
  --text-body: #CBD5E1;
  --text-muted: #7C87A0;
  --card-border: rgba(255, 255, 255, 0.08);
  --card-bg: rgba(255, 255, 255, 0.03);
}

/* Bloqueo TOTAL de scroll horizontal (crítico en iOS: hace falta en
   html Y body — solo en body, Safari deja arrastrar lateralmente) */
html,
body {
  overflow-x: hidden;
  max-width: 100vw;
  position: relative;
}

* {
  max-width: 100vw;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  /* relative: #light-layer (absolute, height 100%) debe medirse contra el
     documento completo, no contra el viewport */
  background-color: var(--navy);
  color: var(--text-body);
  font-family: 'Inter', system-ui, sans-serif;
}

h1, h2, h3, .font-heading {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
}

::selection {
  background: rgba(61, 111, 255, 0.35);
  color: #fff;
}

/* Ambiente: leve resplandor azul en el borde superior de la página.
   Acotado para que muera ANTES de la zona del video del hero: el video
   trae el fondo #080B1A exacto, y cualquier tinte azul de la página a
   su alrededor lo delataría como un rectángulo más oscuro. */
.ambient-top {
  position: absolute;
  top: -18vh;
  left: 0;
  /* 100vw exacto: con 140vw era LA fuente del scroll horizontal en iOS */
  width: 100vw;
  height: 36vh;
  background: radial-gradient(ellipse at center,
    rgba(61, 111, 255, 0.09) 0%,
    rgba(61, 111, 255, 0.03) 40%,
    transparent 68%);
  pointer-events: none;
  z-index: 0;
}

/* Anclas: dejar espacio para el nav fijo */
section[id] { scroll-margin-top: 84px; }

/* ============================================================
   HERO — ciudad de fondo + overlay
   ============================================================ */
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../assets/hero-bg.jpg');
  background-size: cover;
  /* 16:10: anclada abajo — la imagen trae su propio fade inferior a navy */
  background-position: center bottom;
  background-repeat: no-repeat;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  /* Dos gradientes: fade inferior hacia el navy de la página +
     oscurecimiento lateral (texto a la izquierda, anillo a la derecha).
     El fade inferior alcanza #080B1A COMPLETO antes del borde de la
     sección: el fondo propio de la imagen muere en rgb(1,6,38) (más
     azul que el navy) y sin esto se ve una franja en el empalme. */
  background:
    linear-gradient(to bottom,
      transparent 55%,
      rgba(8, 11, 26, 0.6) 78%,
      #080B1A 94%),
    linear-gradient(to right,
      rgba(8, 11, 26, 0.85) 0%,
      rgba(8, 11, 26, 0.55) 40%,
      rgba(8, 11, 26, 0.35) 70%,
      rgba(8, 11, 26, 0.5) 100%);
}
@media (max-width: 767px) {
  .hero-bg { background-position: center; }
  .hero-overlay {
    /* En móvil: oscurecimiento más uniforme para legibilidad */
    background:
      linear-gradient(to bottom,
        transparent 55%,
        rgba(8, 11, 26, 0.6) 78%,
        #080B1A 94%),
      rgba(8, 11, 26, 0.72);
  }
}

/* Vidrio esmerilado compartido: toda pill/tag/badge difumina lo que
   pasa por detrás (el camino de luz) igual que las tarjetas grandes */
.hero-pill,
.biz-tag,
.stage-chip,
.glass-pill {
  background: rgba(255, 255, 255, 0.03);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

/* ============================================================
   NAV
   ============================================================ */
#nav {
  transition: background-color 0.4s ease, border-color 0.4s ease,
              backdrop-filter 0.4s ease;
  border-bottom: 1px solid transparent;
}
#nav.scrolled {
  background: rgba(8, 11, 26, 0.72);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-bottom-color: rgba(255, 255, 255, 0.06);
}

.nav-link {
  position: relative;
  color: var(--text-muted);
  transition: color 0.3s ease;
}
.nav-link:hover { color: #fff; }
.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 1px;
  background: var(--electric);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.nav-link:hover::after { transform: scaleX(1); }

/* Menú móvil */
#mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: rgba(8, 11, 26, 0.92);
  -webkit-backdrop-filter: blur(24px);
  backdrop-filter: blur(24px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.45s ease, visibility 0.45s ease;
}
#mobile-menu.open { opacity: 1; visibility: visible; }
#mobile-menu .menu-item {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
#mobile-menu.open .menu-item {
  opacity: 1;
  transform: translateY(0);
}

/* Hamburguesa */
.burger-line {
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.3s ease;
  transform-origin: center;
}
.burger.active .burger-line:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger.active .burger-line:nth-child(2) { opacity: 0; }
.burger.active .burger-line:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ============================================================
   BOTONES
   ============================================================ */
/* CTA principal: botón con partículas flotantes, gradiente radial
   inferior y brillo interno por capas. Convive con el efecto
   magnético (el JS anima transform inline sobre .magnetic). */
.btn-primary {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  min-height: 52px;
  padding: 14px 28px;
  background:
    radial-gradient(ellipse 90% 65% at 50% 125%, rgba(96, 165, 250, 0.7), transparent 65%),
    linear-gradient(180deg, #4E7BFF 0%, #3D6FFF 55%, #2E5BE8 100%);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  border-radius: 0.75rem;
  box-shadow: 0 8px 28px -8px rgba(61, 111, 255, 0.55);
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1),
              box-shadow 0.4s ease;
  will-change: transform;
}
/* Brillo interior en capas */
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 1px;
  border-radius: calc(0.75rem - 1px);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.2) 0%, transparent 42%);
  pointer-events: none;
}
.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 0.75rem;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.16),
              inset 0 -10px 22px rgba(96, 165, 250, 0.35);
  pointer-events: none;
}
.btn-primary:hover {
  box-shadow: 0 10px 40px -6px rgba(61, 111, 255, 0.8),
              0 0 24px rgba(61, 111, 255, 0.35);
}
.btn-primary .btn-label {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}

/* Versión compacta (nav) */
.btn-primary.btn-sm {
  min-height: 44px;
  padding: 10px 20px;
  font-size: 14px;
}

/* Partículas flotantes: transform + opacity, composición en GPU */
.points_wrapper {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 1;
}
.points_wrapper .point {
  position: absolute;
  bottom: -6px;
  width: 2px;
  height: 2px;
  background: #fff;
  border-radius: 50%;
  opacity: 0;
  animation: floating-points infinite linear;
  will-change: transform, opacity;
}
@keyframes floating-points {
  0%   { transform: translateY(0);     opacity: 0; }
  15%  { opacity: 1; }
  70%  { opacity: 1; }
  100% { transform: translateY(-58px); opacity: 0; }
}
.point:nth-child(1)  { left: 10%; animation-duration: 2.35s; animation-delay: 0.2s; }
.point:nth-child(2)  { left: 30%; animation-duration: 2.5s;  animation-delay: 0.5s; }
.point:nth-child(3)  { left: 25%; animation-duration: 2.2s;  animation-delay: 0.1s; }
.point:nth-child(4)  { left: 44%; animation-duration: 2.05s; }
.point:nth-child(5)  { left: 50%; animation-duration: 1.9s;  animation-delay: 0.35s; }
.point:nth-child(6)  { left: 75%; animation-duration: 1.5s;  animation-delay: 1.2s; }
.point:nth-child(7)  { left: 88%; animation-duration: 2.2s;  animation-delay: 0.75s; }
.point:nth-child(8)  { left: 58%; animation-duration: 2.25s; animation-delay: 0.9s; }
.point:nth-child(9)  { left: 98%; animation-duration: 2.6s;  animation-delay: 1.5s; }
.point:nth-child(10) { left: 65%; animation-duration: 2.5s;  animation-delay: 0.4s; }

/* Flecha del CTA: se redibuja y avanza al hover */
.btn-primary .icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  transition: transform 0.35s ease-out;
  /* Señal sutil permanente de "acción disponible" */
  animation: arrowNudge 1.5s ease-in-out infinite;
}
@keyframes arrowNudge {
  0%, 100% { transform: translateX(0); }
  50%      { transform: translateX(2px); }
}
.btn-primary:hover .icon {
  animation: none; /* el hover toma el control con el gesto más marcado */
  transform: translateX(4px);
}
.btn-primary:hover .icon path {
  stroke-dasharray: 24;
  animation: arrowDash 0.45s ease-out forwards;
}
@keyframes arrowDash {
  from { stroke-dashoffset: 24; }
  to   { stroke-dashoffset: 0; }
}

.btn-ghost {
  border: 1px solid var(--card-border);
  color: var(--text-body);
  border-radius: 9999px;
  transition: border-color 0.3s ease, color 0.3s ease,
              transform 0.4s ease, box-shadow 0.4s ease;
}
.btn-ghost:hover {
  border-color: rgba(61, 111, 255, 0.5);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 24px -8px rgba(61, 111, 255, 0.4);
}

/* ============================================================
   HERO — anillo animado
   ============================================================ */
.ring-stage {
  perspective: 1200px;
}

/* El fondo del video viene forzado a #080B1A en la codificación
   (lutrgb + BT.709). La máscara NO es por el color: el resplandor
   del propio anillo llega al borde del frame y se corta en seco —
   ese escalón de luz dibuja un rectángulo. El fade de bordes lo
   disuelve. Sin blend ni filter (los stacking contexts de .reveal
   y main aíslan mix-blend-mode del fondo de la página). */
.ring-img {
  display: block;
  width: 100%;
  height: auto;
  border: 0;
  background: transparent;
  box-shadow: none;
  -webkit-mask-image: radial-gradient(ellipse 70% 68% at center, black 52%, transparent 76%);
  mask-image: radial-gradient(ellipse 70% 68% at center, black 52%, transparent 76%);
}

/* Resplandor ambiental estático detrás del anillo */
.ring-glow {
  position: absolute;
  inset: 8%;
  background: radial-gradient(ellipse at center,
    rgba(61, 111, 255, 0.30) 0%,
    rgba(61, 111, 255, 0.10) 45%,
    transparent 72%);
  opacity: 0.8;
  pointer-events: none;
}

/* Typewriter del H1: ancho reservado (la palabra más larga es
   "quieres") para que la línea no salte al escribir/borrar */
.tw-wrap {
  display: inline-block;
  min-width: 7.4ch;
  text-align: left;
  white-space: nowrap;
}
.tw-cursor {
  display: inline-block;
  margin-left: 2px;
  color: var(--electric);
  font-weight: 500;
  animation: twBlink 1s steps(2, start) infinite;
}
@keyframes twBlink {
  0%, 49%  { opacity: 1; }
  50%, 100% { opacity: 0; }
}

/* Pills del hero */
.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.7rem;
  border-radius: 9999px;
  border: 1px solid var(--card-border);
  font-size: 0.78rem;
  white-space: nowrap;
  color: var(--text-muted);
  transition: border-color 0.4s ease, color 0.4s ease, background 0.4s ease;
}
.hero-pill:hover {
  border-color: rgba(61, 111, 255, 0.45);
  color: var(--text-body);
  background: rgba(61, 111, 255, 0.06);
}
.hero-pill svg {
  width: 14px;
  height: 14px;
  color: var(--electric);
}

/* ============================================================
   CAMINO DE LUZ (scroll)
   ============================================================ */
#light-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}

#light-svg { display: block; }

#light-svg .trail-halo,
#light-svg .trail-mid,
#light-svg .trail-core {
  fill: none;
  stroke-linecap: round;
}
/* Neón por capas: trazos apilados en vez de filter blur
   (mismo look, sin repintados caros en móvil).
   Línea de luz fina y sutil: núcleo 2.5px + glow suave. */
#light-svg .trail-halo { stroke: rgba(61, 111, 255, 0.10); stroke-width: 18; }
#light-svg .trail-mid  { stroke: rgba(61, 111, 255, 0.28); stroke-width: 7; }
#light-svg .trail-core { stroke: rgba(185, 205, 255, 0.95); stroke-width: 2.5; }

/* Cometa: la punta de luz que acompaña el dedo */
#comet {
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 0;
  will-change: transform;
}
/* El punto guía es la fuente de luz principal: halo interno intenso
   + halo externo difuso que ilumina ~50px a su alrededor */
#comet::before {
  content: '';
  position: absolute;
  left: -6px;
  top: -6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #E4EDFF;
  box-shadow: 0 0 12px 4px rgba(190, 210, 255, 0.95),
              0 0 34px 14px rgba(61, 111, 255, 0.55),
              0 0 62px 30px rgba(61, 111, 255, 0.3);
}
#comet::after {
  content: '';
  position: absolute;
  left: -170px;
  top: -170px;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle,
    rgba(61, 111, 255, 0.18) 0%,
    rgba(61, 111, 255, 0.07) 40%,
    transparent 70%);
}

/* ============================================================
   REVEAL DE SECCIONES
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: var(--reveal-delay, 0s);
  will-change: opacity, transform;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Las cards "se encienden" cuando la luz llega a su sección */
.glow-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 1rem;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  transition: border-color 0.35s ease-out, box-shadow 0.35s ease-out,
              transform 0.35s ease-out;
}
.lit .glow-card {
  border-color: rgba(61, 111, 255, 0.22);
  box-shadow: 0 0 40px -18px rgba(61, 111, 255, 0.35),
              0 0 0 1px rgba(61, 111, 255, 0.05) inset;
}
.glow-card:hover {
  transform: translateY(-4px);
  border-color: rgba(61, 111, 255, 0.5);
  box-shadow: 0 0 36px rgba(61, 111, 255, 0.15),
              0 16px 48px -16px rgba(61, 111, 255, 0.45),
              0 0 0 1px rgba(61, 111, 255, 0.1) inset;
}
/* El acento interno se satura al hover de la card */
.glow-card:hover .card-icon {
  background: rgba(61, 111, 255, 0.22);
  border-color: rgba(61, 111, 255, 0.6);
  color: #7DA2FF;
  box-shadow: 0 0 22px -4px rgba(61, 111, 255, 0.55);
}
.glow-card:hover .step-num {
  filter: saturate(1.5) brightness(1.25);
}
.glow-card:hover h3 { color: #fff; }

/* Móvil (sin hover): respiración sutil cuando la card ya se reveló.
   El delay de 1.5s deja terminar la transición de reveal antes de que
   la animación tome control del transform. */
@media (hover: none) {
  .glow-card.visible {
    animation: cardBreath 3s ease-in-out 1.5s infinite;
  }
}
@keyframes cardBreath {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.01); }
}

/* Ícono dentro de las cards */
.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: rgba(61, 111, 255, 0.1);
  border: 1px solid rgba(61, 111, 255, 0.25);
  color: var(--electric);
  transition: background 0.35s ease-out, border-color 0.35s ease-out,
              color 0.35s ease-out, box-shadow 0.35s ease-out;
}
.card-icon svg { width: 22px; height: 22px; }

/* ============================================================
   MOCKUP DE TELÉFONO (CSS puro)
   ============================================================ */
.phone {
  width: 232px;
  border-radius: 34px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: linear-gradient(180deg, #0B1023 0%, #090D1E 100%);
  box-shadow: 0 0 0 6px rgba(255, 255, 255, 0.03),
              0 24px 60px -20px rgba(0, 0, 0, 0.8),
              0 0 60px -20px rgba(61, 111, 255, 0.3);
  overflow: hidden;
}
.phone-notch {
  width: 84px;
  height: 20px;
  margin: 8px auto 0;
  border-radius: 12px;
  background: #04060F;
}
.phone-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.phone-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, #4E7BFF, #2E5BE8);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 10px;
  font-weight: 700;
  color: #fff;
}
.phone-body {
  padding: 12px 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.bubble {
  max-width: 82%;
  padding: 8px 11px;
  border-radius: 14px;
  font-size: 11px;
  line-height: 1.45;
}
.bubble.in {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-bottom-left-radius: 4px;
  color: var(--text-body);
}
.bubble.out {
  align-self: flex-end;
  background: linear-gradient(135deg, rgba(61, 111, 255, 0.9), rgba(46, 91, 232, 0.9));
  border-bottom-right-radius: 4px;
  color: #fff;
}
.bubble-tag {
  align-self: flex-start;
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--electric);
  background: rgba(61, 111, 255, 0.1);
  border: 1px solid rgba(61, 111, 255, 0.3);
  border-radius: 9999px;
  padding: 3px 8px;
}
/* Indicador de escritura */
.typing {
  align-self: flex-start;
  display: flex;
  gap: 4px;
  padding: 9px 12px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 14px;
  border-bottom-left-radius: 4px;
}
.typing span {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--text-muted);
  animation: typingDot 1.4s ease-in-out infinite;
}
.typing span:nth-child(2) { animation-delay: 0.18s; }
.typing span:nth-child(3) { animation-delay: 0.36s; }
@keyframes typingDot {
  0%, 60%, 100% { opacity: 0.3; transform: translateY(0); }
  30%           { opacity: 1;   transform: translateY(-3px); }
}

/* Etapas del pipeline dentro de la card */
.stage-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 10.5px;
  padding: 4px 10px;
  border-radius: 9999px;
  border: 1px solid var(--card-border);
  color: var(--text-muted);
  white-space: nowrap;
}
.stage-chip .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--electric);
}

/* ============================================================
   CÓMO TRABAJO — pasos
   ============================================================ */
.step-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums; /* ancho estable durante el conteo */
  background: linear-gradient(180deg, rgba(120, 155, 255, 0.9), rgba(61, 111, 255, 0.15));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  transition: filter 0.35s ease-out;
}

/* ============================================================
   TIMELINE — "Así trabajo contigo"
   La línea vertical ES el camino de luz global (main.js enruta el
   path por los nodos). Los nodos se encienden al pasar el punto guía.
   ============================================================ */
.timeline { position: relative; }

.tl-step {
  position: relative;
  padding: 1.1rem 0 1.1rem 3.9rem; /* móvil: aire entre el carril y el número */
}

.tl-node {
  position: absolute;
  left: 14px;
  top: 1.8rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #0B1023;
  border: 2px solid rgba(61, 111, 255, 0.4);
  transform: translateX(-50%);
  transition: background 0.5s ease, border-color 0.5s ease, box-shadow 0.5s ease;
}
.tl-node.node-lit {
  background: var(--electric);
  border-color: #AFC6FF;
  box-shadow: 0 0 12px 3px rgba(61, 111, 255, 0.75),
              0 0 30px 10px rgba(61, 111, 255, 0.3);
}

@media (min-width: 768px) {
  .tl-step {
    display: grid;
    grid-template-columns: 1fr 1fr;
    padding: 2.1rem 0;
  }
  .tl-node { left: 50%; top: 2.9rem; }
  /* Pasos alternados a lado y lado de la línea central */
  .tl-step:nth-child(odd) .tl-content {
    grid-column: 1;
    text-align: right;
    padding-right: 4.5rem;
  }
  .tl-step:nth-child(odd) .tl-content p { margin-left: auto; }
  .tl-step:nth-child(even) .tl-content {
    grid-column: 2;
    grid-row: 1;
    text-align: left;
    padding-left: 4.5rem;
  }
}

/* ============================================================
   CONSTELACIÓN — stack tecnológico
   Tarjetas flotantes en posiciones asimétricas, conectadas por
   una red de líneas sutiles (SVG dibujado por main.js).
   ============================================================ */
.constellation { position: relative; }

.const-card {
  position: relative;
  padding: 1.8rem 1.6rem;
  text-align: center;
  max-width: 420px;
  margin: 0 auto;
}
/* Móvil: conector vertical entre tarjetas apiladas */
.const-card + .const-card { margin-top: 3rem; }
.const-card + .const-card::before {
  content: '';
  position: absolute;
  top: -3rem;
  left: 50%;
  width: 1px;
  height: 3rem;
  background: linear-gradient(180deg,
    rgba(61, 111, 255, 0.05),
    rgba(61, 111, 255, 0.35),
    rgba(61, 111, 255, 0.05));
}

.const-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 16px;
  margin: 0 auto;
  border: 1px solid rgba(255, 255, 255, 0.07);
}
.const-logo svg, .const-logo img { width: 32px; height: 32px; }

.const-tag {
  display: block;
  color: var(--electric);
  font-size: 12.5px;
  margin-top: 2px;
}

.const-lines { display: none; }

@media (min-width: 1024px) {
  .constellation { min-height: 600px; }
  .const-card {
    position: absolute;
    width: 300px;
    margin: 0;
  }
  .const-card + .const-card { margin-top: 0; }
  .const-card + .const-card::before { display: none; }
  /* Distribución asimétrica balanceada */
  .const-card:nth-of-type(1) { left: 2%; top: 0; }
  .const-card:nth-of-type(2) { right: 5%; top: 48px; }
  .const-card:nth-of-type(3) { left: 20%; bottom: 0; }
  .const-card:nth-of-type(4) { right: 16%; bottom: 24px; }

  .const-lines {
    display: block;
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
  }
  /* Red viva: cada conexión son dos capas — línea base + pulso viajero
     (un segmento brillante recorre el trazo en loop, cada línea con su
     propio ritmo). El estado net-lit es un boost sobre este reposo. */
  .const-lines line.c-base {
    stroke: rgba(61, 111, 255, 0.22);
    stroke-width: 1.75;
    transition: stroke 0.5s ease;
  }
  .const-lines line.c-pulse {
    stroke: rgba(150, 185, 255, 0.75);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-dasharray: 14 300;
    animation: constFlow linear infinite;
  }
  /* Los pulsos son los hijos pares (base, pulso, base, pulso…) */
  .const-lines line:nth-child(2)  { animation-duration: 3.6s; }
  .const-lines line:nth-child(4)  { animation-duration: 5s;   animation-delay: 0.9s; }
  .const-lines line:nth-child(6)  { animation-duration: 4.2s; animation-delay: 1.7s; }
  .const-lines line:nth-child(8)  { animation-duration: 5.6s; animation-delay: 0.4s; }
  .const-lines line:nth-child(10) { animation-duration: 4.6s; animation-delay: 2.3s; }

  #constellation.net-lit .const-lines {
    filter: drop-shadow(0 0 6px rgba(61, 111, 255, 0.45));
  }
  #constellation.net-lit .const-lines line.c-base {
    stroke: rgba(61, 111, 255, 0.45);
    stroke-width: 2.2;
  }
  #constellation.net-lit .const-lines line.c-pulse { stroke: rgba(195, 215, 255, 0.95); }
  .const-lines line.c-base.active { stroke: rgba(61, 111, 255, 0.7) !important; }
}
@keyframes constFlow {
  to { stroke-dashoffset: -314; } /* 14 + 300: loop perfecto del pulso */
}

/* Móvil: "selección" fuerte de cada tarjeta cuando la línea pasa detrás
   (más intensa que el hover de desktop: momento claro y satisfactorio) */
.const-logo { transition: filter 0.35s ease-out; }
@media (max-width: 1023px) {
  .const-card.card-lit {
    animation: none; /* pausa el breathing: manda el scale de selección */
    transform: scale(1.06);
    border-color: rgba(165, 195, 255, 0.9);
    box-shadow: 0 0 48px rgba(61, 111, 255, 0.55),
                0 12px 40px -12px rgba(61, 111, 255, 0.5),
                0 0 0 1px rgba(61, 111, 255, 0.35) inset;
  }
  .const-card.card-lit .const-logo { filter: brightness(1.35); }
}
.const-lines { transition: filter 0.6s ease; }

/* Móvil: los conectores verticales también se energizan al pasar la luz */
#constellation.net-lit .const-card + .const-card::before {
  background: linear-gradient(180deg,
    rgba(61, 111, 255, 0.1),
    rgba(61, 111, 255, 0.7),
    rgba(61, 111, 255, 0.1));
  box-shadow: 0 0 10px rgba(61, 111, 255, 0.45);
}
.const-card + .const-card::before { transition: background 0.6s ease, box-shadow 0.6s ease; }

/* ============================================================
   PARA QUIÉN — tags y frase iluminada
   ============================================================ */
.biz-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.15rem;
  border-radius: 9999px;
  /* Vidrio esmerilado explícito: difumina el camino de luz que pasa
     por detrás, igual que las tarjetas grandes */
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  color: var(--text-body);
  font-size: 0.9rem;
  transition: border-color 0.35s ease-out, box-shadow 0.35s ease-out,
              transform 0.35s ease-out, color 0.35s ease-out;
}
.biz-tag:hover {
  border-color: rgba(61, 111, 255, 0.5);
  box-shadow: 0 0 32px rgba(61, 111, 255, 0.15),
              0 8px 28px -10px rgba(61, 111, 255, 0.45);
  transform: translateY(-4px);
  color: #fff;
}

/* Flotación suave desincronizada, arranca después del reveal */
.biz-tag.visible { animation: bizFloat 6s ease-in-out infinite; }
.biz-tag.visible:hover { animation: none; } /* la flotación cede al hover */
.biz-tag:nth-child(1) { animation-delay: 1.6s; }
.biz-tag:nth-child(2) { animation-delay: 2.3s; }
.biz-tag:nth-child(3) { animation-delay: 1.9s; }
.biz-tag:nth-child(4) { animation-delay: 2.7s; }
.biz-tag:nth-child(5) { animation-delay: 2.1s; }
.biz-tag:nth-child(6) { animation-delay: 3s; }
@keyframes bizFloat {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-3px); }
}
.biz-tag svg { width: 15px; height: 15px; color: var(--electric); }

/* Frase de cierre: palabra por palabra */
#closing-line .w {
  display: inline-block;
  opacity: 0.14;
  transition: opacity 0.7s ease, text-shadow 0.7s ease;
  transition-delay: var(--w-delay, 0s);
}
#closing-line.lit-up .w {
  opacity: 1;
  text-shadow: 0 0 24px rgba(61, 111, 255, 0.35);
}

/* ============================================================
   FAQ — acordeón
   ============================================================ */
.faq-item {
  border: 1px solid var(--card-border);
  border-radius: 1rem;
  background: var(--card-bg);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  transition: border-color 0.4s ease;
  overflow: hidden;
}
.faq-item.open { border-color: rgba(61, 111, 255, 0.3); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  text-align: left;
  padding: 1.15rem 1.35rem;
  color: #fff;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 500;
  cursor: pointer;
}
.faq-q .chev {
  flex-shrink: 0;
  color: var(--text-muted);
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1), color 0.4s ease;
}
.faq-item.open .faq-q .chev { transform: rotate(180deg); color: var(--electric); }
.faq-a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}
.faq-item.open .faq-a { grid-template-rows: 1fr; }
.faq-a-inner {
  overflow: hidden;
  min-height: 0;
}
.faq-a-inner p {
  padding: 0 1.35rem 1.25rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ============================================================
   CONTACTO — formulario
   ============================================================ */
.field { display: flex; flex-direction: column; gap: 0.5rem; }

.field-label {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.3s ease;
}
/* El label se ilumina cuando su campo tiene el focus */
.field:focus-within .field-label { color: var(--electric); }

.field-input {
  width: 100%;
  background: rgba(4, 6, 15, 0.6); /* más oscuro que el card */
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 0.75rem;
  padding: 0.9rem 1.1rem;
  color: #fff;
  font-size: 0.95rem;
  line-height: 1.5;
  outline: none;
  transition: border-color 0.3s ease, box-shadow 0.3s ease,
              background 0.3s ease;
}
.field-input::placeholder { color: rgba(124, 135, 160, 0.55); }
.field-input:focus {
  border-color: rgba(61, 111, 255, 0.6);
  box-shadow: 0 0 0 3px rgba(61, 111, 255, 0.12),
              0 0 24px -8px rgba(61, 111, 255, 0.4);
  background: rgba(4, 6, 15, 0.8);
}
/* Campo requerido vacío tras intento de envío */
.field-input.invalid { border-color: rgba(61, 111, 255, 0.75); }

/* ============================================================
   CTA FINAL
   ============================================================ */
.cta-glow {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: min(760px, 110vw);
  height: 420px;
  background: radial-gradient(ellipse at center,
    rgba(61, 111, 255, 0.16) 0%,
    rgba(61, 111, 255, 0.05) 45%,
    transparent 72%);
  pointer-events: none;
}

/* ============================================================
   FOOTER — pill de Instagram
   ============================================================ */
.insta-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.7rem;
  border-radius: 9999px;
  border: 1px solid rgba(61, 111, 255, 0.35);
  background: rgba(61, 111, 255, 0.07);
  color: #fff;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 500;
  font-size: 1rem;
  transition: border-color 0.35s ease-out, box-shadow 0.35s ease-out,
              transform 0.35s ease-out, background 0.35s ease-out;
}
.insta-pill svg { color: var(--electric); }
.insta-pill:hover {
  border-color: rgba(61, 111, 255, 0.7);
  background: rgba(61, 111, 255, 0.12);
  box-shadow: 0 0 32px rgba(61, 111, 255, 0.25),
              0 8px 28px -10px rgba(61, 111, 255, 0.5);
  transform: translateY(-2px);
}

/* ============================================================
   BOTÓN FLOTANTE DE WHATSAPP — vidrio azul de marca
   ============================================================ */
#wa-float {
  position: fixed;
  right: 28px;
  bottom: 28px;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(61, 111, 255, 0.22);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(150, 185, 255, 0.4);
  box-shadow: 0 0 24px rgba(61, 111, 255, 0.35),
              0 8px 24px -8px rgba(0, 0, 0, 0.5);
  color: #fff;
  animation: waBreath 2.8s ease-in-out infinite;
  transition: box-shadow 0.35s ease-out, transform 0.35s ease-out,
              background 0.35s ease-out;
}
#wa-float svg { width: 28px; height: 28px; }
#wa-float:hover {
  animation: none;
  transform: scale(1.08);
  background: rgba(61, 111, 255, 0.32);
  box-shadow: 0 0 42px rgba(61, 111, 255, 0.55),
              0 10px 30px -8px rgba(0, 0, 0, 0.5);
}
@keyframes waBreath {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.05); }
}
@media (max-width: 767px) {
  #wa-float { width: 52px; height: 52px; right: 20px; bottom: 20px; }
  #wa-float svg { width: 24px; height: 24px; }
}

/* ============================================================
   ACCESIBILIDAD — reduced motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .typing span,
  .glow-card.visible,
  .biz-tag.visible {
    animation: none !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  /* La línea de luz se mantiene: su dibujado lo controla el scroll del
     usuario (movimiento iniciado por él, no automático) — solo se
     apagan las animaciones autónomas. */
  #wa-float { animation: none; } /* estático pero funcional */
  /* Partículas, cursor del typewriter, flecha y frase de cierre se mantienen también
     bajo reduced-motion (decisión de producto: paridad desktop/móvil
     — muchos iPhone traen "Reducir Movimiento" activo de fábrica y el
     sitio se veía muerto). Solo se apagan los loops decorativos de
     arriba (breathing, flotación, puntos de escritura). */
}