/* ==========================================================
   AIDIGITAL — aidigital.cl
   Identidad: base clara "Azul Confianza" + Avanzado violeta
   ========================================================== */

:root {
  --blanco: #FFFFFF;
  --azul-hielo: #F0F5FF;
  --azul-noche: #0B1B33;
  --azul: #2563EB;
  --cian: #06B6D4;
  --violeta: #8B5CF6;
  --gris-texto: #46536B;
  --borde: #DCE6F7;
  --grad: linear-gradient(92deg, #2563EB, #06B6D4);
  --grad-violeta: linear-gradient(92deg, #8B5CF6, #3B82F6);
  --sombra: 0 8px 30px rgba(37, 99, 235, 0.10);
  --sombra-suave: 0 4px 16px rgba(37, 99, 235, 0.07);
  --radio: 14px;
  --fuente-titulo: 'Space Grotesk', sans-serif;
  --fuente-texto: 'Inter', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--fuente-texto);
  color: var(--azul-noche);
  background: var(--blanco);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--fuente-titulo);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

a { color: var(--azul); text-decoration: none; }

.contenedor { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.centrado { text-align: center; }
.visualmente-oculto {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}

/* Texto en gradiente */
.grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.grad-violeta {
  background: var(--grad-violeta);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ===== Botones ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--fuente-texto);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  border-radius: 12px;
  padding: 12px 20px;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-azul { background: var(--azul); color: #fff; box-shadow: var(--sombra-suave); }
.btn-azul:hover { box-shadow: var(--sombra); }
.btn-borde { background: #fff; color: var(--azul); border: 1.5px solid var(--borde); }
.btn-borde:hover { border-color: var(--azul); }
.btn-blanco { background: #fff; color: var(--azul); }
.btn-violeta { background: var(--grad-violeta); color: #fff; }
.btn-grande { padding: 15px 26px; font-size: 1rem; }
.ico-wsp { width: 18px; height: 18px; flex: none; }

/* ===== 1. Nav ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--borde);
}
.nav-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.logo {
  font-family: var(--fuente-titulo);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: -0.02em;
  display: inline-flex;
}
.logo-ai {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.logo-digital { color: var(--azul-noche); }
.nav-links { display: none; gap: 22px; }
.nav-links a {
  color: var(--azul-noche);
  font-weight: 500;
  font-size: 0.92rem;
}
.nav-links a:hover { color: var(--azul); }
.nav-links a.activo {
  color: var(--azul);
  font-weight: 600;
  border-bottom: 2px solid var(--azul);
  padding-bottom: 2px;
}
.nav-acciones { display: flex; align-items: center; gap: 8px; }
.btn-nav { font-size: 0.85rem; padding: 10px 14px; }
.btn-nav .ico-wsp { width: 16px; height: 16px; }
.solo-desktop { display: none; }
.nav-burger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1.5px solid var(--borde);
  border-radius: 10px;
  background: #fff;
  color: var(--azul-noche);
  font-size: 1.2rem;
  cursor: pointer;
  flex: none;
  transition: border-color 0.15s, background 0.15s;
}
.nav-burger:hover { border-color: var(--azul); background: var(--azul-hielo); }

/* Ocultar texto "WhatsApp" en móvil, dejar solo el ícono */
@media (max-width: 520px) {
  .btn-nav .nav-wsp-texto { display: none; }
  .btn-nav { padding: 10px 12px; min-width: 40px; justify-content: center; }
}

.nav-movil[hidden] { display: none; }
.nav-movil {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--borde);
  background: #fff;
  padding: 6px 20px 16px;
  animation: menu-baja 0.22s cubic-bezier(0.22,1,0.36,1) both;
}
@keyframes menu-baja {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}
.nav-movil a {
  color: var(--azul-noche);
  font-weight: 500;
  font-size: 0.98rem;
  padding: 13px 4px;
  border-bottom: 1px solid var(--azul-hielo);
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-movil a:last-child { border-bottom: none; }
.nav-movil a.activo { color: var(--azul); font-weight: 600; }
.movil-ingresar { color: var(--azul) !important; font-weight: 600 !important; }

/* ===== Logo live indicator (CSS-only, sin tocar HTML) ===== */
.nav .logo {
  display: inline-flex;
  flex-direction: column;
  line-height: 1.15;
  gap: 2px;
}
.nav .logo::after {
  content: "● online 24/7";
  display: block;
  font-family: var(--fuente-texto);
  font-size: 0.52rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #0FA873;
  -webkit-text-fill-color: #0FA873;
  animation: pulso-live 2.2s ease-in-out infinite;
}
@keyframes pulso-live {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* ===== 2. Hero ===== */
.hero {
  position: relative;
  padding: 64px 0 72px;
  overflow: hidden;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(37, 99, 235, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, 0.06) 1px, transparent 1px);
  background-size: 42px 42px;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 30%, transparent 75%);
  mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 30%, transparent 75%);
  pointer-events: none;
}
.hero-inner { position: relative; text-align: center; }
.pill {
  display: inline-block;
  background: linear-gradient(90deg, var(--azul-hielo) 0%, #dbeafe 45%, var(--azul-hielo) 100%);
  background-size: 250% auto;
  border: 1px solid var(--borde);
  color: var(--azul);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 7px 16px;
  border-radius: 999px;
  margin-bottom: 22px;
  animation: hero-entrada 0.7s cubic-bezier(0.22,1,0.36,1) both,
             shimmer-pill 3s 1s linear infinite;
}
@keyframes shimmer-pill {
  0%   { background-position: 150% center; }
  100% { background-position: -150% center; }
}
.hero h1   { animation: hero-entrada 0.7s 0.12s cubic-bezier(0.22,1,0.36,1) both; }
.hero-sub  { animation: hero-entrada 0.7s 0.24s cubic-bezier(0.22,1,0.36,1) both; }
.hero-ctas { animation: hero-entrada 0.7s 0.36s cubic-bezier(0.22,1,0.36,1) both; }
.hero-datos{ animation: hero-entrada 0.7s 0.50s cubic-bezier(0.22,1,0.36,1) both; }
@keyframes hero-entrada {
  from { opacity: 0; transform: translateY(28px); filter: blur(3px); }
  to   { opacity: 1; transform: translateY(0);    filter: blur(0);   }
}
.hero h1 {
  font-size: clamp(2.1rem, 6.5vw, 3.6rem);
  max-width: 760px;
  margin: 0 auto 16px;
}
.hero-sub {
  color: var(--gris-texto);
  font-size: clamp(1rem, 2.6vw, 1.15rem);
  max-width: 560px;
  margin: 0 auto 28px;
}
.hero-ctas {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  margin-bottom: 36px;
}
.hero-datos {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  color: var(--gris-texto);
  font-size: 0.92rem;
  font-weight: 500;
}
.hero-datos li { display: flex; align-items: center; gap: 8px; }
.dato-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--azul-hielo);
  border: 1px solid var(--borde);
  font-size: 0.85rem;
  flex: none;
}

/* ===== Secciones base ===== */
.seccion { padding: 64px 0; }
.seccion-hielo { background: var(--azul-hielo); }
.titulo-seccion {
  font-size: clamp(1.7rem, 5vw, 2.4rem);
  text-align: center;
  margin-bottom: 12px;
}
.titulo-menor { font-size: clamp(1.4rem, 4vw, 1.9rem); }
.sub-seccion {
  text-align: center;
  color: var(--gris-texto);
  max-width: 520px;
  margin: 0 auto 32px;
}
.eyebrow {
  display: block;
  text-align: center;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--azul);
  margin-bottom: 10px;
}

/* ===== 3. Demo ===== */
.chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 28px;
}
.chip {
  font-family: var(--fuente-texto);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--azul-noche);
  background: #fff;
  border: 1.5px solid var(--borde);
  border-radius: 999px;
  padding: 10px 18px;
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}
.chip:hover { border-color: var(--azul); transform: translateY(-2px); }
.chip.activo {
  border-color: var(--azul);
  background: var(--azul);
  color: #fff;
  box-shadow: var(--sombra-suave);
}
.chat-marco {
  max-width: 420px;
  margin: 0 auto;
  background: #E8E2D9;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--sombra);
  border: 1px solid var(--borde);
}
.chat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #075E54;
  color: #fff;
  padding: 12px 16px;
}
.chat-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex: none;
}
.chat-nombre { font-weight: 600; font-size: 0.95rem; }
.chat-estado { font-size: 0.75rem; opacity: 0.85; }
.chat-cuerpo {
  padding: 16px 12px;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background-image: radial-gradient(rgba(11, 27, 51, 0.035) 1px, transparent 1px);
  background-size: 18px 18px;
}
.burbuja {
  max-width: 82%;
  padding: 9px 12px;
  border-radius: 10px;
  font-size: 0.88rem;
  line-height: 1.45;
  box-shadow: 0 1px 1px rgba(11, 27, 51, 0.08);
  animation: burbuja-entra 0.25s ease;
}
@keyframes burbuja-entra {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.burbuja-cliente {
  align-self: flex-end;
  background: #DCF8C6;
  border-bottom-right-radius: 3px;
}
.burbuja-asistente {
  align-self: flex-start;
  background: #fff;
  border-bottom-left-radius: 3px;
}
.burbuja-sistema {
  align-self: center;
  background: var(--azul-hielo);
  border: 1px solid var(--borde);
  color: var(--azul-noche);
  font-weight: 600;
  text-align: center;
  border-radius: 12px;
}
.burbuja-cta {
  align-self: center;
  margin-top: 4px;
  animation: burbuja-entra 0.25s ease;
}
.typing {
  display: inline-flex;
  gap: 4px;
  padding: 4px 2px;
}
.typing span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #9AA7BD;
  animation: typing-salta 1.1s infinite ease-in-out;
}
.typing span:nth-child(2) { animation-delay: 0.15s; }
.typing span:nth-child(3) { animation-delay: 0.3s; }
@keyframes typing-salta {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.5; }
  30% { transform: translateY(-4px); opacity: 1; }
}
.chat-pista {
  text-align: center;
  color: var(--gris-texto);
  font-size: 0.9rem;
  margin-top: 20px;
}

/* ===== 4. Comparativa ===== */
.comparativa {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}
.comp-tarjeta {
  border-radius: var(--radio);
  padding: 28px 24px;
}
.comp-tarjeta h3 { font-size: 1.25rem; margin-bottom: 18px; }
.comp-tarjeta ul { list-style: none; display: flex; flex-direction: column; gap: 14px; }
.comp-tarjeta li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
  font-size: 0.95rem;
}
.comp-sin {
  background: #F7F8FA;
  border: 1px solid #E5E9F0;
  color: var(--gris-texto);
}
.ico-x, .ico-ok {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  font-size: 0.8rem;
  font-weight: 700;
  flex: none;
}
.ico-x { background: #FDECEC; color: #E25563; }
.ico-ok { background: #E5F9F1; color: #0FA873; }
.comp-con {
  background: #fff;
  border: 2px solid transparent;
  background-image: linear-gradient(#fff, #fff), var(--grad);
  background-origin: border-box;
  background-clip: padding-box, border-box;
  box-shadow: var(--sombra);
}

/* ===== 5. Cómo funciona ===== */
.pasos {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  margin-top: 36px;
}
.paso { text-align: center; }
.paso-num {
  font-family: var(--fuente-titulo);
  font-weight: 700;
  font-size: 3rem;
  line-height: 1;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  display: block;
  margin-bottom: 8px;
}
.paso h3 { font-size: 1.15rem; margin-bottom: 6px; }
.paso p { color: var(--gris-texto); font-size: 0.92rem; }

/* ===== 6. Servicio estrella ===== */
.piezas {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 36px 0 44px;
}
.pieza {
  background: #fff;
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: 22px 20px;
  box-shadow: var(--sombra-suave);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.pieza:hover { transform: translateY(-3px); box-shadow: var(--sombra); }
.pieza-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 11px;
  background: var(--azul-hielo);
  border: 1px solid var(--borde);
  font-size: 1.2rem;
  margin-bottom: 12px;
}
.pieza h3 { font-size: 1.05rem; margin-bottom: 4px; }
.pieza p { color: var(--gris-texto); font-size: 0.9rem; }

.precios {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  max-width: 760px;
  margin: 0 auto;
}
.precio-tarjeta {
  position: relative;
  background: #fff;
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: 30px 26px;
  text-align: center;
  box-shadow: var(--sombra-suave);
}
.precio-tarjeta h3 { font-size: 1.3rem; margin-bottom: 6px; }
.precio-desc { color: var(--gris-texto); font-size: 0.9rem; margin-bottom: 18px; }
.precio-monto {
  font-family: var(--fuente-titulo);
  font-weight: 700;
  font-size: 2rem;
  letter-spacing: -0.02em;
}
.precio-monto span {
  font-family: var(--fuente-texto);
  font-weight: 500;
  font-size: 0.85rem;
  color: var(--gris-texto);
}
.precio-mensual { color: var(--azul); font-weight: 600; margin-top: 4px; }
.precio-destacada {
  border: 2px solid transparent;
  background-image: linear-gradient(#fff, #fff), var(--grad);
  background-origin: border-box;
  background-clip: padding-box, border-box;
  box-shadow: var(--sombra);
}
.badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--grad);
  color: #fff;
  font-size: 0.74rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 999px;
  white-space: nowrap;
}
.garantia {
  text-align: center;
  color: var(--gris-texto);
  font-size: 0.92rem;
  margin: 22px auto 26px;
  max-width: 480px;
}

/* ===== 7. Otros servicios ===== */
.otros {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 32px 0 28px;
}
.otro {
  background: #fff;
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: 24px 20px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.otro:hover { transform: translateY(-3px); box-shadow: var(--sombra-suave); }
.otro h3 { font-size: 1.05rem; margin-bottom: 4px; }
.otro p { color: var(--gris-texto); font-size: 0.9rem; }
.otro-precio { color: var(--azul) !important; font-weight: 600; margin-top: 10px; }
.linea-final { color: var(--gris-texto); font-size: 0.95rem; }
.linea-final a { font-weight: 600; }

/* ===== 9. Avanzado (única sección oscura) ===== */
.seccion-oscura {
  position: relative;
  background: var(--azul-noche);
  overflow: hidden;
}
.aurora {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 45% at 22% 18%, rgba(139, 92, 246, 0.32), transparent 70%),
    radial-gradient(ellipse 50% 40% at 80% 75%, rgba(59, 130, 246, 0.26), transparent 70%),
    radial-gradient(ellipse 40% 35% at 65% 12%, rgba(139, 92, 246, 0.16), transparent 70%);
  pointer-events: none;
}
.seccion-oscura .contenedor { position: relative; }
.eyebrow-violeta { color: var(--violeta); }
.titulo-claro { color: #fff; }
.sub-clara { color: rgba(255, 255, 255, 0.65); }
.glass-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 36px 0;
}
.glass {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radio);
  padding: 24px 22px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform 0.15s ease, background 0.15s ease;
}
.glass:hover { transform: translateY(-3px); background: rgba(255, 255, 255, 0.08); }
.glass h3 { color: #fff; font-size: 1.08rem; margin-bottom: 6px; }
.glass p { color: rgba(255, 255, 255, 0.62); font-size: 0.9rem; }
.glass-precio {
  margin-top: 12px;
  font-weight: 600;
  background: var(--grad-violeta);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent !important;
}

/* ===== 10. Confianza ===== */
.seccion-confianza { padding: 48px 0; }
.confianza-linea {
  color: var(--gris-texto);
  font-size: 0.88rem;
  margin-bottom: 18px;
}
.marcas {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px 36px;
}
.marcas span {
  font-family: var(--fuente-titulo);
  font-weight: 600;
  font-size: 1.05rem;
  color: #94A3BD;
  letter-spacing: -0.01em;
}

/* ===== 11. CTA final ===== */
.cta-final {
  background: var(--grad);
  padding: 72px 0;
  color: #fff;
}
.cta-final h2 {
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  max-width: 640px;
  margin: 0 auto 28px;
}
.cta-mini { margin-top: 14px; font-size: 0.88rem; opacity: 0.92; }

/* ===== 12. Footer ===== */
.footer {
  background: var(--azul-noche);
  color: rgba(255, 255, 255, 0.7);
  padding: 40px 0;
}
.footer .logo-digital { color: #fff; }
.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
  text-align: center;
  font-size: 0.88rem;
}
.footer-links, .footer-redes { display: flex; gap: 20px; flex-wrap: wrap; justify-content: center; }
.footer-links a, .footer-redes a { color: rgba(255, 255, 255, 0.7); font-size: 0.88rem; }
.footer-links a:hover, .footer-redes a:hover { color: #fff; }

/* ===== 13. Flotantes ===== */
.flotante-wsp {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 60;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(11, 27, 51, 0.25);
  animation: pulso 2.4s infinite;
}
.flotante-wsp svg { width: 28px; height: 28px; }
@keyframes pulso {
  0% { box-shadow: 0 8px 24px rgba(11, 27, 51, 0.25), 0 0 0 0 rgba(37, 211, 102, 0.45); }
  70% { box-shadow: 0 8px 24px rgba(11, 27, 51, 0.25), 0 0 0 14px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 8px 24px rgba(11, 27, 51, 0.25), 0 0 0 0 rgba(37, 211, 102, 0); }
}
.flotante-quiz {
  position: fixed;
  left: 18px;
  bottom: 18px;
  z-index: 60;
  background: #fff;
  color: var(--azul);
  border: 1.5px solid var(--borde);
  border-radius: 999px;
  font-family: var(--fuente-texto);
  font-weight: 600;
  font-size: 0.82rem;
  padding: 11px 16px;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(11, 27, 51, 0.12);
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.flotante-quiz:hover { transform: translateY(-2px); border-color: var(--azul); }

/* ===== 8. Quiz modal ===== */
.quiz-fondo[hidden] { display: none; }
.quiz-fondo {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(11, 27, 51, 0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.quiz-modal {
  position: relative;
  background: #fff;
  border-radius: 18px;
  width: 100%;
  max-width: 460px;
  padding: 34px 24px 28px;
  box-shadow: 0 20px 60px rgba(11, 27, 51, 0.3);
  animation: quiz-entra 0.25s ease;
}
@keyframes quiz-entra {
  from { opacity: 0; transform: translateY(16px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.quiz-cerrar {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: var(--azul-hielo);
  color: var(--gris-texto);
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.15s;
}
.quiz-cerrar:hover { background: var(--borde); }
.quiz-progreso {
  height: 6px;
  background: var(--azul-hielo);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 26px;
}
.quiz-barra {
  height: 100%;
  width: 0;
  background: var(--grad);
  border-radius: 999px;
  transition: width 0.3s ease;
}
.quiz-pregunta {
  font-family: var(--fuente-titulo);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  margin-bottom: 22px;
  line-height: 1.25;
}
.quiz-opciones { display: flex; flex-direction: column; gap: 10px; }
.quiz-opcion {
  font-family: var(--fuente-texto);
  font-weight: 500;
  font-size: 0.95rem;
  text-align: left;
  color: var(--azul-noche);
  background: #fff;
  border: 1.5px solid var(--borde);
  border-radius: 12px;
  padding: 14px 16px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, transform 0.15s;
}
.quiz-opcion:hover {
  border-color: var(--azul);
  background: var(--azul-hielo);
  transform: translateY(-1px);
}
.quiz-resultado { text-align: center; }
.quiz-resultado-emoji { font-size: 2.6rem; display: block; margin-bottom: 10px; }
.quiz-resultado h3 {
  font-size: 1.3rem;
  margin-bottom: 8px;
  line-height: 1.3;
}
.quiz-resultado p { color: var(--gris-texto); font-size: 0.92rem; margin-bottom: 20px; }
.quiz-instagram {
  width: 100%;
  font-family: var(--fuente-texto);
  font-size: 0.95rem;
  padding: 13px 14px;
  border: 1.5px solid var(--borde);
  border-radius: 12px;
  margin-bottom: 14px;
  color: var(--azul-noche);
}
.quiz-instagram:focus { outline: 2px solid var(--azul); border-color: var(--azul); }
.quiz-resultado .btn { width: 100%; }

/* ===== Animación de aparición al scroll ===== */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ===== Movimiento reducido ===== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .fade-up { opacity: 1; transform: none; }
  .flotante-wsp { animation: none; }
}

/* ==========================================================
   Escala a tablet / desktop (mobile-first desde 375px)
   ========================================================== */
@media (min-width: 640px) {
  .hero-ctas { flex-direction: row; justify-content: center; }
  .hero-datos { flex-direction: row; justify-content: center; gap: 28px; }
  .comparativa { grid-template-columns: 1fr 1fr; }
  .piezas { grid-template-columns: 1fr 1fr; }
  .otros { grid-template-columns: repeat(3, 1fr); }
  .precios { grid-template-columns: 1fr 1fr; }
  .pasos { grid-template-columns: repeat(3, 1fr); }
  .glass-grid { grid-template-columns: 1fr 1fr; }
  .footer-inner { flex-direction: row; justify-content: space-between; text-align: left; }
}

@media (min-width: 900px) {
  .nav-links { display: flex; }
  .nav-burger { display: none; }
  .nav-movil { display: none !important; }
  .solo-desktop { display: inline-flex; }
  .seccion { padding: 88px 0; }
  .hero { padding: 96px 0 104px; }
  .glass-grid { grid-template-columns: repeat(3, 1fr); }
  .glass:nth-child(4) { grid-column: 1 / 2; }
  .piezas { grid-template-columns: repeat(4, 1fr); }
}

/* ==========================================================
   SITIO MULTIPÁGINA — componentes nuevos
   ========================================================== */

/* ===== Cabeceras de página interior ===== */
.hero-pagina { padding: 56px 0 60px; }
@media (min-width: 900px) { .hero-pagina { padding: 72px 0 76px; } }
.hero-pagina-oscura { padding-bottom: 24px; }
.titulo-hero { font-size: clamp(2rem, 6vw, 3.1rem); }
.seccion-continua { padding-top: 24px; }
.bloque-cierre { margin-top: 34px; }
.bloque-cierre-oscuro { margin-top: 56px; }

/* ===== Tarjetas "Explora" (home) ===== */
.explorar {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 36px;
}
.explorar-tarjeta {
  display: block;
  background: #fff;
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: 26px 22px;
  box-shadow: var(--sombra-suave);
  color: var(--azul-noche);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.explorar-tarjeta:hover {
  transform: translateY(-4px);
  box-shadow: var(--sombra);
  border-color: var(--azul);
}
.explorar-tarjeta h3 { font-size: 1.15rem; margin-bottom: 6px; }
.explorar-tarjeta p { color: var(--gris-texto); font-size: 0.92rem; margin-bottom: 14px; }
.explorar-link { color: var(--azul); font-weight: 600; font-size: 0.92rem; }

/* ===== Catálogo de servicios ===== */
.servicios-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 38px;
}
.servicio-tarjeta {
  position: relative;
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: 28px 24px;
  box-shadow: var(--sombra-suave);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.servicio-tarjeta:hover { transform: translateY(-3px); box-shadow: var(--sombra); }
.servicio-tarjeta h3 { font-size: 1.2rem; margin-bottom: 6px; }
.servicio-para {
  color: var(--azul);
  font-size: 0.86rem;
  font-weight: 600;
  margin-bottom: 14px;
}
.servicio-lista {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
  margin-bottom: 18px;
  color: var(--gris-texto);
  font-size: 0.91rem;
}
.servicio-lista li { padding-left: 22px; position: relative; }
.servicio-lista li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #0FA873;
  font-weight: 700;
}
.servicio-precio {
  font-family: var(--fuente-titulo);
  font-weight: 700;
  font-size: 1.25rem;
  margin: auto 0 14px;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.servicio-tarjeta .btn { align-self: flex-start; }
.servicio-destacado {
  border: 2px solid transparent;
  background-image: linear-gradient(#fff, #fff), var(--grad);
  background-origin: border-box;
  background-clip: padding-box, border-box;
  box-shadow: var(--sombra);
}

/* ===== IA Avanzada en detalle ===== */
.pagina-oscura .nav { border-bottom-color: var(--borde); }
.avanzado-detalle {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}
.glass-detalle { padding: 30px 26px; }
.glass-detalle h2 { color: #fff; font-size: 1.35rem; margin-bottom: 10px; }
.glass-detalle > .glass-detalle-texto > p { color: rgba(255, 255, 255, 0.72); font-size: 0.95rem; margin-bottom: 16px; }
.ico-violeta {
  background: rgba(139, 92, 246, 0.16);
  border-color: rgba(139, 92, 246, 0.35);
}
.lista-clara { color: rgba(255, 255, 255, 0.66); }
.lista-clara li::before { color: #A78BFA; }
.glass-detalle .glass-precio { margin: 4px 0 18px; }
.enlace-claro { color: #A78BFA; font-weight: 600; }

/* ===== Consola central (demo en vivo) ===== */
.consola {
  max-width: 880px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--borde);
  border-radius: 16px;
  box-shadow: var(--sombra);
  overflow: hidden;
}
.consola-barra {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--azul-noche);
  color: rgba(255, 255, 255, 0.8);
  padding: 10px 16px;
  font-size: 0.8rem;
}
.consola-puntos { display: inline-flex; gap: 6px; }
.consola-puntos i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #46536B;
}
.consola-puntos i:nth-child(1) { background: #E25563; }
.consola-puntos i:nth-child(2) { background: #D98A0B; }
.consola-puntos i:nth-child(3) { background: #0FA873; }
.consola-titulo { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.consola-vivo {
  color: #34D399;
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  animation: parpadeo 1.6s infinite;
}
@keyframes parpadeo { 0%, 100% { opacity: 1; } 50% { opacity: 0.45; } }
.consola-kpis {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--borde);
  border-bottom: 1px solid var(--borde);
}
.consola-kpi {
  background: #fff;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
}
.consola-kpi-num {
  font-family: var(--fuente-titulo);
  font-weight: 700;
  font-size: 1.5rem;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.consola-kpi-et { color: var(--gris-texto); font-size: 0.72rem; font-weight: 500; }
.consola-cuerpo {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
.consola-panel { padding: 18px 16px; }
.consola-panel h4 { font-family: var(--fuente-titulo); font-size: 0.92rem; margin-bottom: 12px; }
.con-margen-chico { margin-top: 18px; }
.consola-lista { list-style: none; display: flex; flex-direction: column; }
.consola-conv {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 2px;
  border-bottom: 1px solid var(--azul-hielo);
}
.consola-conv:last-child { border-bottom: none; }
.consola-conv-nueva { animation: conv-entra 0.4s ease; }
@keyframes conv-entra {
  from { opacity: 0; transform: translateY(-8px); background: var(--azul-hielo); }
  to { opacity: 1; transform: translateY(0); }
}
.consola-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--azul-hielo);
  border: 1px solid var(--borde);
  color: var(--azul);
  font-weight: 600;
  font-size: 0.72rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
}
.consola-conv-info { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.consola-conv-info b { font-size: 0.82rem; }
.consola-conv-info i {
  font-style: normal;
  color: var(--gris-texto);
  font-size: 0.76rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.consola-conv-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 3px; flex: none; }
.consola-conv-meta time { color: var(--gris-texto); font-size: 0.68rem; }
.consola-conv-meta em {
  font-style: normal;
  font-size: 0.64rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
}
.consola-respondido { background: #E5F9F1; color: #0FA873; }
.consola-pendiente { background: #FFF4E0; color: #D98A0B; }
.consola-barras {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 90px;
}
.consola-barra-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  justify-content: flex-end;
  gap: 4px;
}
.consola-barra-col i {
  width: 100%;
  max-width: 26px;
  border-radius: 5px 5px 0 0;
  background: var(--grad);
  min-height: 6px;
}
.consola-barra-col span { font-size: 0.64rem; color: var(--gris-texto); font-weight: 600; }
.consola-agenda { list-style: none; display: flex; flex-direction: column; gap: 7px; }
.consola-agenda li {
  background: var(--azul-hielo);
  border: 1px solid var(--borde);
  border-left: 3px solid var(--azul);
  border-radius: 8px;
  padding: 7px 10px;
  font-size: 0.78rem;
  color: var(--azul-noche);
}
.consola-agenda b { color: var(--azul); margin-right: 4px; }

/* ===== Mockups de páginas web ===== */
.mockups {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 36px;
}
.mockup {
  background: #fff;
  border: 1px solid var(--borde);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--sombra-suave);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.mockup:hover { transform: translateY(-4px); box-shadow: var(--sombra); }
.mockup-barra {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #F2F5FB;
  border-bottom: 1px solid var(--borde);
  padding: 8px 12px;
}
.mockup-url {
  flex: 1;
  background: #fff;
  border: 1px solid var(--borde);
  border-radius: 999px;
  font-size: 0.7rem;
  color: var(--gris-texto);
  padding: 3px 12px;
}
.mockup-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 30px 16px;
  text-align: center;
  color: #fff;
}
.mockup-hero-restaurante { background: linear-gradient(135deg, #9A3412, #C2410C); }
.mockup-hero-barberia { background: linear-gradient(135deg, #1C1917, #44403C); }
.mockup-hero-turismo { background: linear-gradient(135deg, #065F46, #0D9488); }
.mockup-hero-tienda { background: linear-gradient(135deg, #2563EB, #7C3AED); }
.mockup-emoji { font-size: 1.6rem; }
.mockup-titulo { font-family: var(--fuente-titulo); font-weight: 700; font-size: 1.1rem; }
.mockup-sub { font-size: 0.78rem; opacity: 0.85; }
.mockup-boton {
  margin-top: 8px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--azul-noche);
  font-size: 0.74rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
}
.mockup-lineas { padding: 14px 16px 4px; display: flex; flex-direction: column; gap: 7px; }
.mockup-lineas i {
  display: block;
  height: 8px;
  border-radius: 999px;
  background: var(--azul-hielo);
}
.mockup-lineas i.corta { width: 55%; }
.mockup-pie {
  padding: 10px 16px 16px;
  color: var(--gris-texto);
  font-size: 0.82rem;
  font-weight: 500;
}

/* ===== Casos reales ===== */
.casos {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 36px 0 28px;
}
.caso {
  background: #fff;
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: 26px 22px;
  box-shadow: var(--sombra-suave);
}
.caso h3 { font-size: 1.1rem; margin-bottom: 2px; }
.caso p { color: var(--gris-texto); font-size: 0.9rem; }
.caso .servicio-para { margin-bottom: 10px; }

/* ===== Tablas de precios ===== */
.tabla-marco { overflow-x: auto; margin: 34px 0 8px; }
.tabla-comparativa, .tabla-precios {
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  overflow: hidden;
  box-shadow: var(--sombra-suave);
  font-size: 0.92rem;
}
.tabla-comparativa th {
  font-family: var(--fuente-titulo);
  font-size: 0.95rem;
  text-align: left;
  padding: 14px 18px;
  background: var(--azul-hielo);
  border-bottom: 1px solid var(--borde);
}
.tabla-comparativa th:nth-child(2), .tabla-comparativa th:nth-child(3) { text-align: center; }
.tabla-comparativa td {
  padding: 12px 18px;
  border-bottom: 1px solid var(--azul-hielo);
  color: var(--azul-noche);
}
.tabla-comparativa td:nth-child(2), .tabla-comparativa td:nth-child(3) { text-align: center; }
.tabla-comparativa tr:last-child td { border-bottom: none; }
.tabla-precios td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--azul-hielo);
}
.tabla-precios tr:last-child td { border-bottom: none; }
.tabla-precios td:last-child {
  text-align: right;
  font-weight: 600;
  color: var(--azul);
  white-space: nowrap;
}
.tabla-oscura {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: none;
}
.tabla-oscura td { color: rgba(255, 255, 255, 0.85); border-bottom-color: rgba(255, 255, 255, 0.08); }
.tabla-oscura td:last-child {
  background: var(--grad-violeta);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ===== Formulario de contacto ===== */
.contacto-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}
.contacto-form-marco {
  background: #fff;
  border: 1px solid var(--borde);
  border-radius: 16px;
  box-shadow: var(--sombra);
  padding: 30px 24px;
}
.contacto-form h2 { font-size: 1.35rem; margin-bottom: 20px; }
.contacto-form label {
  display: block;
  font-weight: 600;
  font-size: 0.86rem;
  margin: 14px 0 6px;
}
.contacto-form input,
.contacto-form select,
.contacto-form textarea {
  width: 100%;
  font-family: var(--fuente-texto);
  font-size: 0.95rem;
  padding: 12px 14px;
  border: 1.5px solid var(--borde);
  border-radius: 12px;
  color: var(--azul-noche);
  background: #fff;
}
.contacto-form input:focus,
.contacto-form select:focus,
.contacto-form textarea:focus {
  outline: 2px solid var(--azul);
  border-color: var(--azul);
}
.contacto-form textarea { resize: vertical; }
.contacto-form .btn { width: 100%; margin-top: 22px; }
.form-nota { color: var(--gris-texto); font-size: 0.82rem; margin-top: 12px; text-align: center; }
.form-exito {
  margin-top: 14px;
  background: #E5F9F1;
  color: #0FA873;
  border: 1px solid #B8EFD9;
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 0.9rem;
  font-weight: 500;
  text-align: center;
}
.form-error {
  margin-top: 14px;
  background: #FDECEC;
  color: #E25563;
  border: 1px solid #F6C8CC;
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 0.9rem;
  font-weight: 500;
  text-align: center;
}
.contacto-info { display: flex; flex-direction: column; gap: 16px; }
.contacto-tarjeta {
  background: #fff;
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: 22px 20px;
  box-shadow: var(--sombra-suave);
}
.contacto-tarjeta h3 { font-size: 1.05rem; margin-bottom: 4px; }
.contacto-tarjeta p { color: var(--gris-texto); font-size: 0.9rem; margin-bottom: 12px; }
.contacto-tarjeta .btn { font-size: 0.88rem; }

/* ===== Escala de los componentes nuevos ===== */
@media (min-width: 640px) {
  .explorar { grid-template-columns: 1fr 1fr; }
  .servicios-grid { grid-template-columns: 1fr 1fr; }
  .mockups { grid-template-columns: 1fr 1fr; }
  .casos { grid-template-columns: repeat(3, 1fr); }
  .consola-kpis { grid-template-columns: repeat(4, 1fr); }
  .consola-cuerpo { grid-template-columns: 1.2fr 1fr; }
  .consola-panel + .consola-panel { border-left: 1px solid var(--azul-hielo); }
}

@media (min-width: 900px) {
  .servicios-grid { grid-template-columns: repeat(3, 1fr); }
  .mockups { grid-template-columns: repeat(4, 1fr); }
  .contacto-grid { grid-template-columns: 1.4fr 1fr; align-items: start; }
}

/* ==========================================================
   CAPA TECNOLÓGICA — animaciones y micro-interacciones
   ========================================================== */

/* ===== Hero: aurora en movimiento + grid que respira ===== */
.hero::before {
  content: "";
  position: absolute;
  inset: -20%;
  background:
    radial-gradient(ellipse 38% 32% at 22% 30%, rgba(37, 99, 235, 0.10), transparent 70%),
    radial-gradient(ellipse 32% 30% at 78% 22%, rgba(6, 182, 212, 0.09), transparent 70%),
    radial-gradient(ellipse 30% 28% at 60% 75%, rgba(139, 92, 246, 0.07), transparent 70%);
  animation: aurora-flota 16s ease-in-out infinite alternate;
  pointer-events: none;
}
@keyframes aurora-flota {
  from { transform: translate3d(-2%, -1%, 0) scale(1); }
  to   { transform: translate3d(2%, 2%, 0) scale(1.06); }
}
.hero-grid { animation: grid-deriva 24s linear infinite; }
@keyframes grid-deriva {
  from { background-position: 0 0, 0 0; }
  to   { background-position: 42px 42px, 42px 42px; }
}

/* Palabra rotativa del hero (la maneja app.js) */
#hero-rotativa { white-space: nowrap; }
.caret-rotativa {
  display: inline-block;
  width: 3px;
  height: 0.9em;
  margin-left: 2px;
  vertical-align: -0.08em;
  background: var(--cian);
  animation: caret-parpadea 0.9s steps(1) infinite;
}
@keyframes caret-parpadea { 50% { opacity: 0; } }

/* ===== Botones: barrido de brillo ===== */
.btn { position: relative; overflow: hidden; }
.btn-azul::before, .btn-violeta::before, .btn-blanco::before {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  left: -80%;
  width: 50%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  transform: skewX(-20deg);
  transition: left 0.5s ease;
  pointer-events: none;
}
.btn-azul:hover::before, .btn-violeta:hover::before, .btn-blanco:hover::before { left: 130%; }

/* ===== Tarjetas: elevación + glow azul ===== */
.explorar-tarjeta:hover,
.servicio-tarjeta:hover,
.precio-tarjeta:hover,
.pieza:hover,
.otro:hover,
.caso:hover,
.contacto-tarjeta:hover,
.mockup:hover {
  box-shadow: 0 14px 40px rgba(37, 99, 235, 0.16);
}
.precio-tarjeta, .caso, .contacto-tarjeta {
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.precio-tarjeta:hover, .caso:hover, .contacto-tarjeta:hover { transform: translateY(-4px); }
.glass:hover { box-shadow: 0 14px 40px rgba(139, 92, 246, 0.22); }

/* Ícono de tarjeta se enciende al pasar el mouse */
.explorar-tarjeta:hover .pieza-ico,
.pieza:hover .pieza-ico,
.contacto-tarjeta:hover .pieza-ico {
  background: var(--grad);
  border-color: transparent;
  transform: scale(1.08) rotate(-4deg);
}
.pieza-ico { transition: background 0.2s ease, transform 0.2s ease, border-color 0.2s ease; }

/* Chips del demo: glow activo */
.chip.activo { box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.16), var(--sombra-suave); }

/* ===== Separador tecnológico bajo títulos de sección ===== */
.titulo-seccion::after {
  content: "";
  display: block;
  width: 64px;
  height: 3px;
  margin: 14px auto 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--azul), var(--cian), var(--violeta), var(--azul));
  background-size: 250% auto;
  animation: linea-circuito 4s linear infinite;
}
@keyframes linea-circuito {
  from { background-position: 0% center; }
  to   { background-position: 250% center; }
}
.titulo-claro.titulo-seccion::after {
  background: linear-gradient(90deg, var(--violeta), #3B82F6, var(--violeta));
  background-size: 250% auto;
}

/* ===== Nav: vidrio que se intensifica al scrollear ===== */
.nav { transition: box-shadow 0.25s ease, background 0.25s ease; }
.nav.con-scroll {
  background: rgba(255, 255, 255, 0.93);
  box-shadow: 0 8px 28px rgba(11, 27, 51, 0.10);
}

/* ===== Reveal escalonado (stagger) — app.js asigna la clase ===== */
.stagger-item {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}
.fade-up.visible .stagger-item { opacity: 1; transform: none; }

/* ===== Consola: barras que crecen al cargar ===== */
.consola-barra-col i {
  transform-origin: bottom;
  animation: barra-crece 0.8s cubic-bezier(0.22, 1, 0.36, 1) both;
}
.consola-barra-col:nth-child(2) i { animation-delay: 0.08s; }
.consola-barra-col:nth-child(3) i { animation-delay: 0.16s; }
.consola-barra-col:nth-child(4) i { animation-delay: 0.24s; }
.consola-barra-col:nth-child(5) i { animation-delay: 0.32s; }
.consola-barra-col:nth-child(6) i { animation-delay: 0.40s; }
.consola-barra-col:nth-child(7) i { animation-delay: 0.48s; }
@keyframes barra-crece {
  from { transform: scaleY(0); }
  to   { transform: scaleY(1); }
}

/* ===== Movimiento reducido: la capa tecnológica se apaga ===== */
@media (prefers-reduced-motion: reduce) {
  .hero::before, .hero-grid, .titulo-seccion::after, .caret-rotativa { animation: none; }
  .stagger-item { opacity: 1; transform: none; }
  .btn-azul::before, .btn-violeta::before, .btn-blanco::before { display: none; }
}