/* ==========================================================================
   DUCHESNE CONSULTING S.A.S.
   Hoja de estilos principal — edición 02
   Degradado de marca real: cian -> magenta -> violeta -> azul
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Tokens
   -------------------------------------------------------------------------- */
:root {
  --negro: #0a0a0a;
  --carbon: #131313;
  --carbon-alto: #1b1b1b;
  --linea: #262626;
  --linea-viva: #333;
  --blanco: #fff;
  --gris: #a3a3a3;
  --gris-tenue: #6e6e6e;

  --cian: #00dcff;
  --cian-claro: #5ec8ff;
  --magenta: #ff2bf0;
  --violeta: #a72fff;
  --azul: #1735fe;
  --azul-claro: #5a7bff;

  /* Degradado de marca — muestreado del manual, pixel a pixel */
  --gradiente: linear-gradient(180deg,
    #00dcff 0%, #00d2ff 18%, #9db5ff 26%,
    #ff75ff 40%, #ff27ff 52%, #cf32ff 65%,
    #a72fff 74%, #6a3fff 83%, #1735fe 100%);

  --gradiente-h: linear-gradient(90deg,
    #00dcff 0%, #00d2ff 18%, #9db5ff 26%,
    #ff75ff 40%, #ff27ff 52%, #cf32ff 65%,
    #a72fff 74%, #6a3fff 83%, #1735fe 100%);

  --titular: "Questrial", "Century Gothic", "Didact Gothic", "Trebuchet MS", sans-serif;
  --cuerpo: "Archivo", "Helvetica Neue", Arial, sans-serif;

  --margen: 7%;
  --ancho-max: 1360px;
  --gutter: 24px;

  --s1: 8px;  --s2: 16px; --s3: 24px; --s4: 40px;
  --s5: 64px; --s6: 104px; --s7: 150px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-suave: cubic-bezier(0.4, 0, 0.2, 1);
  --t: 480ms var(--ease);
  --nav-h: 110px;
}

/* --------------------------------------------------------------------------
   2. Reset
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 24px);
}

body {
  margin: 0;
  background: var(--negro);
  color: var(--blanco);
  font-family: var(--cuerpo);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.sin-scroll { overflow: hidden; }

img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul, ol { margin: 0; padding: 0; list-style: none; }

::selection { background: var(--magenta); color: var(--blanco); }
:focus-visible { outline: 2px solid var(--cian); outline-offset: 3px; }

/* Grano sutil sobre todo el sitio */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9998;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* --------------------------------------------------------------------------
   3. Tipografía
   -------------------------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--titular);
  font-weight: 400;
  line-height: 1.04;
  letter-spacing: -0.025em;
  margin: 0;
  text-wrap: balance;
}

h1 { font-size: clamp(2.7rem, 7vw, 6rem); }
h2 { font-size: clamp(2.1rem, 4.6vw, 3.7rem); }
h3 { font-size: clamp(1.3rem, 2.1vw, 1.7rem); letter-spacing: -0.015em; }
h4 { font-size: 1.05rem; letter-spacing: 0; }

p { margin: 0 0 var(--s3); max-width: 68ch; }
p:last-child { margin-bottom: 0; }
strong { font-weight: 600; }

.texto-gradiente {
  background: var(--gradiente-h);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-size: 200% auto;
  animation: correr 7s linear infinite;
}
@keyframes correr { to { background-position: 200% center; } }

.etiqueta {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--gris);
  margin: 0 0 var(--s3);
  display: flex;
  align-items: center;
  gap: 12px;
}
.etiqueta::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--gradiente-h);
  flex-shrink: 0;
}

.plomo { font-size: clamp(1.05rem, 1.5vw, 1.28rem); color: var(--gris); line-height: 1.6; }

/* --------------------------------------------------------------------------
   4. Layout
   -------------------------------------------------------------------------- */
.contenedor {
  width: 100%;
  max-width: var(--ancho-max);
  margin-inline: auto;
  padding-inline: var(--margen);
}

.seccion { padding-block: var(--s6); position: relative; }
.seccion--corta { padding-block: var(--s5); }
.seccion--carbon { background: var(--carbon); }

/* Filete de gradiente superior de sección */
.seccion--filete::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--magenta), var(--cian), transparent);
  opacity: 0.5;
}

.reticula { display: grid; grid-template-columns: repeat(12, 1fr); gap: var(--gutter); }
.col-4 { grid-column: span 4; }
.col-5 { grid-column: span 5; }
.col-6 { grid-column: span 6; }
.col-7 { grid-column: span 7; }
.col-8 { grid-column: span 8; }

.filete { position: relative; padding-left: var(--s4); }
.filete::before {
  content: "";
  position: absolute;
  left: 0; top: 4px; bottom: 4px;
  width: 3px;
  background: var(--gradiente);
}

/* Aurora de fondo — manchas de color desenfocadas */
.aurora { position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 0; }
.aurora span {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.16;
  will-change: transform;
}
.aurora span:nth-child(1) {
  width: 45vw; height: 45vw; top: -12%; left: -8%;
  background: var(--cian);
  animation: flotar1 22s ease-in-out infinite;
}
.aurora span:nth-child(2) {
  width: 38vw; height: 38vw; top: 25%; right: -10%;
  background: var(--magenta);
  animation: flotar2 26s ease-in-out infinite;
}
.aurora span:nth-child(3) {
  width: 34vw; height: 34vw; bottom: -14%; left: 28%;
  background: var(--violeta);
  animation: flotar3 30s ease-in-out infinite;
}
@keyframes flotar1 { 50% { transform: translate(9vw, 6vh) scale(1.15); } }
@keyframes flotar2 { 50% { transform: translate(-8vw, 9vh) scale(0.88); } }
@keyframes flotar3 { 50% { transform: translate(6vw, -7vh) scale(1.1); } }

/* --------------------------------------------------------------------------
   5. Barra de progreso de lectura
   -------------------------------------------------------------------------- */
.progreso {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: var(--gradiente-h);
  z-index: 120;
}

/* --------------------------------------------------------------------------
   6. Navegación
   -------------------------------------------------------------------------- */
.saltar {
  position: absolute; left: -9999px; top: 0;
  background: var(--cian); color: var(--negro);
  padding: 12px 20px; z-index: 200; font-weight: 600;
}
.saltar:focus { left: 0; }

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--nav-h);
  z-index: 110;
  display: flex;
  align-items: center;
  transition: height var(--t), background var(--t), border-color var(--t);
  border-bottom: 1px solid transparent;
}

.nav.esta-fijo {
  height: 78px;
  background: rgba(10, 10, 10, 0.72);
  backdrop-filter: saturate(160%) blur(18px);
  -webkit-backdrop-filter: saturate(160%) blur(18px);
  border-bottom-color: var(--linea);
}

.nav__interior {
  width: 100%;
  max-width: var(--ancho-max);
  margin-inline: auto;
  padding-inline: var(--margen);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s3);
}

.logo { display: block; flex-shrink: 0; position: relative; z-index: 2; }
.logo img { height: 80px; width: auto; transition: height var(--t); }
.nav.esta-fijo .logo img { height: 58px; }

/* Menú de escritorio */
.menu { display: flex; align-items: center; gap: 4px; position: relative; }

.menu__enlace {
  font-size: 0.9rem;
  color: var(--gris);
  padding: 10px 16px;
  position: relative;
  border-radius: 2px;
  transition: color 260ms var(--ease-suave);
  white-space: nowrap;
}
.menu__enlace:hover, .menu__enlace.activo { color: var(--blanco); }

/* Píldora deslizante que sigue al enlace activo/hover */
.menu__pildora {
  position: absolute;
  top: 0; left: 0;
  height: 100%;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--linea);
  opacity: 0;
  pointer-events: none;
  transition: transform 420ms var(--ease), width 420ms var(--ease), opacity 260ms;
  z-index: -1;
}
.menu:hover .menu__pildora, .menu__pildora.fija { opacity: 1; }
.menu__pildora::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: -1px;
  height: 1px;
  background: var(--gradiente-h);
}

.nav__derecha { display: flex; align-items: center; gap: var(--s2); }

.nav__social { display: flex; gap: 2px; }
.nav__social a {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  color: var(--gris-tenue);
  transition: color 260ms, transform 260ms var(--ease);
}
.nav__social a:hover { color: var(--blanco); transform: translateY(-2px); }
.nav__social svg { width: 17px; height: 17px; fill: currentColor; }

/* --------------------------------------------------------------------------
   7. Menú móvil a pantalla completa
   -------------------------------------------------------------------------- */
.hamburguesa {
  display: none;
  width: 46px; height: 46px;
  position: relative;
  z-index: 2;
  flex-shrink: 0;
}
.hamburguesa span {
  position: absolute;
  left: 12px;
  width: 22px; height: 2px;
  background: var(--blanco);
  transition: transform 420ms var(--ease), opacity 200ms, width 420ms var(--ease);
}
.hamburguesa span:nth-child(1) { top: 17px; }
.hamburguesa span:nth-child(2) { top: 23px; width: 15px; }
.hamburguesa span:nth-child(3) { top: 29px; }
.hamburguesa:hover span:nth-child(2) { width: 22px; }
.hamburguesa[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburguesa[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburguesa[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.lienzo {
  position: fixed;
  inset: 0;
  z-index: 105;
  background: var(--negro);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--nav-h) + 24px) var(--margen) var(--s4);
  clip-path: circle(0% at calc(100% - 46px) 55px);
  transition: clip-path 760ms var(--ease);
  visibility: hidden;
  overflow-y: auto;
}
.lienzo.abierto { clip-path: circle(150% at calc(100% - 46px) 55px); visibility: visible; }

.lienzo__fondo {
  position: absolute; inset: 0;
  background:
    radial-gradient(60% 50% at 80% 10%, rgba(255, 43, 240, 0.14), transparent 70%),
    radial-gradient(55% 45% at 10% 85%, rgba(0, 220, 255, 0.12), transparent 70%);
  pointer-events: none;
}

.lienzo__menu { position: relative; display: grid; gap: 2px; }

.lienzo__menu a {
  font-family: var(--titular);
  font-size: clamp(2.1rem, 9vw, 3.6rem);
  letter-spacing: -0.03em;
  line-height: 1.14;
  padding: 10px 0;
  display: flex;
  align-items: baseline;
  gap: 16px;
  color: var(--blanco);
  opacity: 0;
  transform: translateY(28px);
  border-bottom: 1px solid var(--linea);
  transition: color 260ms;
}
.lienzo.abierto .lienzo__menu a { animation: entrarMenu 620ms var(--ease) forwards; }
.lienzo.abierto .lienzo__menu a:nth-child(1) { animation-delay: 170ms; }
.lienzo.abierto .lienzo__menu a:nth-child(2) { animation-delay: 240ms; }
.lienzo.abierto .lienzo__menu a:nth-child(3) { animation-delay: 310ms; }
.lienzo.abierto .lienzo__menu a:nth-child(4) { animation-delay: 380ms; }
.lienzo.abierto .lienzo__menu a:nth-child(5) { animation-delay: 450ms; }
@keyframes entrarMenu { to { opacity: 1; transform: none; } }

.lienzo__menu a span {
  font-family: var(--cuerpo);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--gris-tenue);
  transition: color 260ms;
}
.lienzo__menu a:hover, .lienzo__menu a:active { color: var(--cian); }
.lienzo__menu a:hover span { color: var(--magenta); }

.lienzo__pie {
  position: relative;
  margin-top: var(--s5);
  display: flex;
  flex-wrap: wrap;
  gap: var(--s3);
  align-items: center;
  justify-content: space-between;
  opacity: 0;
  transform: translateY(20px);
}
.lienzo.abierto .lienzo__pie { animation: entrarMenu 620ms var(--ease) 540ms forwards; }
.lienzo__pie .nav__social a { color: var(--gris); }

/* --------------------------------------------------------------------------
   8. Botones
   -------------------------------------------------------------------------- */
.boton {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 17px 34px;
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--negro);
  background: var(--blanco);
  border: 1px solid var(--blanco);
  overflow: hidden;
  isolation: isolate;
  white-space: nowrap;
  transition: color 380ms var(--ease-suave), border-color 380ms, transform 260ms var(--ease);
}

/* Barrido de degradado en hover */
.boton::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--gradiente-h);
  transform: translateY(101%);
  transition: transform 520ms var(--ease);
}
.boton:hover::before { transform: translateY(0); }
.boton:hover { color: var(--blanco); border-color: transparent; }
.boton:active { transform: scale(0.97); }

.boton--linea { background: transparent; color: var(--blanco); border-color: var(--linea-viva); }
.boton--linea:hover { color: var(--blanco); border-color: transparent; }

.boton--compacto { padding: 12px 22px; font-size: 0.73rem; }
.boton--bloque { width: 100%; }

/* Botón con borde de degradado permanente */
.boton--marca {
  background: var(--negro);
  color: var(--blanco);
  border: 0;
  padding: 18px 35px;
}
.boton--marca::after {
  content: "";
  position: absolute;
  inset: 0;
  padding: 1px;
  background: var(--gradiente-h);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  pointer-events: none;
}

.enlace-flecha {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--blanco);
  position: relative;
  padding-bottom: 6px;
}
.enlace-flecha::before {
  content: "";
  position: absolute;
  left: 0; bottom: 0; right: 0;
  height: 1px;
  background: var(--gradiente-h);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 480ms var(--ease);
}
.enlace-flecha:hover::before { transform: scaleX(1); }
.enlace-flecha::after { content: "\2192"; transition: transform 380ms var(--ease); }
.enlace-flecha:hover::after { transform: translateX(6px); }

.acciones { display: flex; flex-wrap: wrap; gap: var(--s2); margin-top: var(--s4); }

/* --------------------------------------------------------------------------
   9. Portada con video
   -------------------------------------------------------------------------- */
.portada {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--nav-h) + var(--s4));
  padding-bottom: var(--s5);
  overflow: hidden;
}

.portada__video {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: var(--negro);
}
.portada__video video,
.portada__video img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
/* Velo negro al 55 % — regla del manual de marca */
.portada__video::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10,10,10,0.72) 0%, rgba(10,10,10,0.55) 45%, rgba(10,10,10,0.96) 100%),
    rgba(10, 10, 10, 0.28);
}

.portada__rejilla {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: calc(100% / 6) 130px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 40%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 40%, #000 30%, transparent 100%);
}

.portada__contenido { position: relative; z-index: 2; width: 100%; }

.portada h1 { margin-bottom: var(--s3); }

/* Revelado por palabra */
.palabra { display: inline-block; overflow: hidden; vertical-align: bottom; }
.palabra > span {
  display: inline-block;
  transform: translateY(105%);
  transition: transform 900ms var(--ease);
}
.cargado .palabra > span { transform: none; }
.palabra:nth-child(1) > span { transition-delay: 120ms; }
.palabra:nth-child(2) > span { transition-delay: 180ms; }
.palabra:nth-child(3) > span { transition-delay: 240ms; }
.palabra:nth-child(4) > span { transition-delay: 300ms; }
.palabra:nth-child(5) > span { transition-delay: 360ms; }
.palabra:nth-child(6) > span { transition-delay: 420ms; }
.palabra:nth-child(7) > span { transition-delay: 480ms; }
.palabra:nth-child(8) > span { transition-delay: 540ms; }
.palabra:nth-child(9) > span { transition-delay: 600ms; }
.palabra:nth-child(10) > span { transition-delay: 660ms; }

.portada__abajo {
  position: absolute;
  left: var(--margen);
  right: var(--margen);
  bottom: var(--s4);
  z-index: 2;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--s3);
}

.raton {
  width: 24px; height: 40px;
  border: 1px solid var(--linea-viva);
  border-radius: 14px;
  position: relative;
  flex-shrink: 0;
}
.raton::after {
  content: "";
  position: absolute;
  left: 50%; top: 8px;
  width: 3px; height: 7px;
  margin-left: -1.5px;
  border-radius: 2px;
  background: var(--cian);
  animation: rueda 1.9s var(--ease-suave) infinite;
}
@keyframes rueda {
  0% { opacity: 0; transform: translateY(0); }
  30% { opacity: 1; }
  100% { opacity: 0; transform: translateY(14px); }
}

/* Cinta de datos bajo la portada */
.datos {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--linea);
  border-block: 1px solid var(--linea);
}
.dato { background: var(--negro); padding: var(--s4) var(--s3); transition: background var(--t); }
.dato:hover { background: var(--carbon); }
.dato h4 {
  font-family: var(--titular);
  font-size: clamp(1.6rem, 2.6vw, 2.3rem);
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.dato p { font-size: 0.87rem; color: var(--gris); margin: 0; line-height: 1.45; }

/* --------------------------------------------------------------------------
   10. Portada de páginas interiores
   -------------------------------------------------------------------------- */
.portada--interior {
  min-height: 0;
  padding-top: calc(var(--nav-h) + var(--s5));
  padding-bottom: var(--s5);
  border-bottom: 1px solid var(--linea);
  background:
    radial-gradient(70% 110% at 8% 0%, rgba(0, 220, 255, 0.15), transparent 62%),
    radial-gradient(60% 100% at 88% 20%, rgba(255, 43, 240, 0.13), transparent 66%),
    radial-gradient(80% 120% at 50% 120%, rgba(167, 47, 255, 0.11), transparent 70%);
}
.portada--interior .portada__video { display: none; }
.portada--interior::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cian), var(--magenta), var(--violeta), transparent);
  opacity: 0.65;
}

.migas {
  font-size: 0.74rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gris-tenue);
  margin-bottom: var(--s3);
}
.migas a:hover { color: var(--cian); }
.migas span { color: var(--linea-viva); margin-inline: 8px; }

/* --------------------------------------------------------------------------
   11. Cinta infinita (marquesina)
   -------------------------------------------------------------------------- */
.cinta {
  overflow: hidden;
  border-block: 1px solid var(--linea);
  padding-block: var(--s3);
  position: relative;
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.cinta__pista {
  display: flex;
  width: max-content;
  animation: desplazar 38s linear infinite;
}
.cinta:hover .cinta__pista { animation-play-state: paused; }
@keyframes desplazar { to { transform: translateX(-50%); } }

.cinta__grupo { display: flex; align-items: center; flex-shrink: 0; }

.cinta__item {
  font-family: var(--titular);
  font-size: clamp(1.3rem, 2.4vw, 2rem);
  letter-spacing: -0.01em;
  padding-inline: var(--s4);
  display: flex;
  align-items: center;
  gap: var(--s4);
  color: var(--gris);
  white-space: nowrap;
}
.cinta__item::after {
  content: "";
  width: 7px; height: 7px;
  background: var(--gradiente);
  flex-shrink: 0;
}

/* Cinta de logos de clientes */
.clientes { padding-block: var(--s5); }
.clientes .cinta { border-block: 0; padding-block: var(--s2); }
.clientes .cinta__pista { animation-duration: 46s; }
/* Los archivos ya vienen emparejados opticamente: cada logo fue escalado para
   ocupar la misma AREA y pegado centrado en un lienzo identico de 440x150.
   Por eso aqui basta con darles a todos el mismo tamano; no hay que corregir
   nada por CSS. Igualar la caja NO iguala el peso visual: eso se resuelve en
   la imagen, no en la hoja de estilos. */
.clientes__logo {
  flex-shrink: 0;
  width: clamp(176px, 19vw, 224px);
  aspect-ratio: 440 / 150;
  margin-inline: clamp(4px, 0.8vw, 14px);
}
.clientes__logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  /* Cualquier logo se vuelve blanco puro sin importar su color original */
  filter: brightness(0) invert(1);
  opacity: 0.55;
  transition: opacity 380ms;
}
.clientes__logo:hover img { opacity: 1; }

/* Fichas de herramientas y sellos de certificacion.
   Van directo sobre el negro, sin placa. Los archivos ya fueron preparados:
   se les quito el fondo blanco y se subieron a blanco los textos oscuros,
   conservando los colores de marca (el azul de Meta, el rosa de n8n, los
   cuatro colores de Google). Sin ese tratamiento, los sellos de Meta y
   TikTok son casi negros y desaparecerian sobre este fondo.
   Como cada grupo comparte lienzo, aqui solo hay que darles un tamano. */
/* Rejilla, no flex-wrap: con flex el cuarto logo se caia a una segunda linea
   en cuanto el contenedor se estrechaba. Con columnas fijas siempre quedan
   alineados y repartidos por igual. */
.fichas {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--linea);
  border: 1px solid var(--linea);
}

.ficha {
  background: var(--negro);
  display: grid;
  place-items: center;
  padding: var(--s3) var(--s2);
  aspect-ratio: 3 / 2;
  opacity: 0.85;
  transition: opacity 380ms, background 380ms;
}
.ficha img { width: 100%; height: 100%; object-fit: contain; }
.ficha:hover { opacity: 1; background: var(--carbon); }

.sellos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 3vw, 40px);
  align-items: center;
  justify-items: center;
}
.sello {
  width: 100%;
  max-width: 140px;
  aspect-ratio: 1;
  opacity: 0.88;
  transition: opacity 380ms, transform 420ms var(--ease);
}
.sello img { width: 100%; height: 100%; object-fit: contain; }
.sello:hover { opacity: 1; transform: translateY(-5px); }

@media (max-width: 620px) {
  .fichas { grid-template-columns: repeat(2, 1fr); }
}

/* --------------------------------------------------------------------------
   12. Tarjetas con foco que sigue al cursor
   -------------------------------------------------------------------------- */
.tarjetas {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1px;
  background: var(--linea);
  border: 1px solid var(--linea);
}

.tarjeta {
  position: relative;
  background: var(--negro);
  padding: var(--s4) var(--s3) var(--s5);
  overflow: hidden;
  isolation: isolate;
  transition: background var(--t);
}
.seccion--carbon .tarjeta { background: var(--carbon); }

/* Halo radial que sigue al puntero */
.tarjeta::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0;
  transition: opacity 420ms;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%),
              rgba(255, 43, 240, 0.13), rgba(0, 220, 255, 0.07) 40%, transparent 68%);
}
.tarjeta:hover::before { opacity: 1; }

/* Filete de gradiente que crece desde arriba */
.tarjeta::after {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: var(--gradiente-h);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 560ms var(--ease);
}
.tarjeta:hover::after { transform: scaleX(1); }

.tarjeta__num {
  font-family: var(--titular);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--gris-tenue);
  display: block;
  margin-bottom: var(--s3);
  transition: color 380ms;
}
.tarjeta:hover .tarjeta__num { color: var(--cian); }
.tarjeta h3 { margin-bottom: var(--s2); }
.tarjeta p { font-size: 0.95rem; color: var(--gris); margin: 0; }

/* --------------------------------------------------------------------------
   13. Bloques, listas, pasos, cita
   -------------------------------------------------------------------------- */
.bloque {
  border-top: 1px solid var(--linea);
  padding-block: var(--s5);
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--gutter);
  align-items: start;
  transition: background var(--t);
}
.bloque:last-child { border-bottom: 1px solid var(--linea); }
.bloque { position: relative; }
/* Filete de color que aparece al pasar por cada bloque: rompe el blanco y negro */
.bloque::before {
  content: "";
  position: absolute;
  left: 0; top: -1px;
  width: 100%; height: 1px;
  background: var(--gradiente-h);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 700ms var(--ease);
}
.bloque:hover::before { transform: scaleX(1); }
.bloque__indice {
  grid-column: span 1;
  font-family: var(--titular);
  font-size: 1.15rem;
  letter-spacing: 0.1em;
  padding-top: 6px;
  background: var(--gradiente-h);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.bloque__titulo { grid-column: span 5; }
.bloque__cuerpo { grid-column: span 6; }

.lista { display: grid; gap: var(--s2); margin-top: var(--s3); }
.lista li { position: relative; padding-left: 24px; font-size: 0.95rem; color: var(--gris); }
.lista li::before {
  content: "";
  position: absolute;
  left: 0; top: 11px;
  width: 12px; height: 1px;
  background: var(--gradiente-h);
}
.lista li strong { color: var(--blanco); }

.pasos { counter-reset: paso; border-top: 1px solid var(--linea); }
.paso {
  counter-increment: paso;
  border-bottom: 1px solid var(--linea);
  padding-block: var(--s4);
  display: grid;
  grid-template-columns: 100px 1fr 1.4fr;
  gap: var(--gutter);
  align-items: start;
  transition: padding-left 480ms var(--ease);
}
.paso:hover { padding-left: 14px; }
.paso::before {
  content: "0" counter(paso);
  font-family: var(--titular);
  font-size: 1.7rem;
  background: var(--gradiente-h);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.2;
}
.paso h3 { padding-top: 4px; }
.paso p { color: var(--gris); font-size: 0.97rem; margin: 0; padding-top: 6px; }

.cita { border-left: 3px solid transparent; border-image: var(--gradiente) 1; padding-left: var(--s4); margin: 0; }
.cita p {
  font-family: var(--titular);
  font-size: clamp(1.5rem, 2.8vw, 2.2rem);
  line-height: 1.26;
  letter-spacing: -0.02em;
  color: var(--blanco);
  max-width: 22ch;
}
.cita footer {
  font-size: 0.76rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gris-tenue);
  margin-top: var(--s3);
}

.franja { background: var(--carbon); border-block: 1px solid var(--linea); position: relative; overflow: hidden; }
.franja .reticula { align-items: center; position: relative; z-index: 1; }

/* Contadores */
.contadores { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: var(--s4); }
.contador__cifra {
  font-family: var(--titular);
  font-size: clamp(2.6rem, 5vw, 4rem);
  line-height: 1;
  letter-spacing: -0.03em;
  background: var(--gradiente-h);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.contador p { font-size: 0.88rem; color: var(--gris); margin: 10px 0 0; }

/* --------------------------------------------------------------------------
   13 bis. Servicio estrella: Agente de IA
   -------------------------------------------------------------------------- */
.estrella {
  position: relative;
  overflow: hidden;
  background: var(--negro);
  border-block: 1px solid var(--linea);
}
.estrella__fondo {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(50% 60% at 78% 45%, rgba(255, 43, 240, 0.16), transparent 68%),
    radial-gradient(45% 55% at 22% 30%, rgba(0, 220, 255, 0.14), transparent 68%),
    radial-gradient(60% 70% at 60% 100%, rgba(167, 47, 255, 0.12), transparent 70%);
}
.estrella .reticula { position: relative; z-index: 1; align-items: center; }

.insignia {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border: 1px solid var(--linea-viva);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--blanco);
  margin-bottom: var(--s3);
  position: relative;
}
.insignia::before {
  content: "";
  width: 7px; height: 7px;
  background: var(--magenta);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--magenta);
  animation: latir 1.8s var(--ease-suave) infinite;
}
@keyframes latir { 50% { opacity: 0.35; transform: scale(0.75); } }

/* Cerebro con conexiones electricas */
.cerebro { width: 100%; max-width: 520px; margin-inline: auto; overflow: visible; }
.cerebro__trazo {
  fill: none;
  stroke: url(#gradCerebro);
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.9;
}
.cerebro__sinapsis {
  fill: none;
  stroke: url(#gradCerebro);
  stroke-width: 1.2;
  opacity: 0.4;
}
.cerebro__nodo { fill: var(--cian); }
.cerebro__nodo--m { fill: var(--magenta); }
.cerebro__nodo--v { fill: var(--violeta); }

/* Pulso electrico recorriendo el contorno */
.cerebro__pulso {
  fill: none;
  stroke: #fff;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 26 620;
  filter: drop-shadow(0 0 6px var(--cian));
  animation: recorrer 3.4s linear infinite;
}
@keyframes recorrer { to { stroke-dashoffset: -646; } }

.cerebro__chispa { animation: parpadeo 2.6s var(--ease-suave) infinite; transform-origin: center; }
.cerebro__chispa:nth-of-type(2) { animation-delay: 0.5s; }
.cerebro__chispa:nth-of-type(3) { animation-delay: 1.1s; }
.cerebro__chispa:nth-of-type(4) { animation-delay: 1.7s; }
.cerebro__chispa:nth-of-type(5) { animation-delay: 2.2s; }
@keyframes parpadeo {
  0%, 100% { opacity: 0.25; r: 3; }
  50% { opacity: 1; r: 5.5; }
}

.estrella__lista { display: grid; gap: var(--s2); margin-top: var(--s4); }
.estrella__lista li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px 0;
  border-top: 1px solid var(--linea);
  font-size: 0.96rem;
  color: var(--gris);
}
.estrella__lista li:last-child { border-bottom: 1px solid var(--linea); }
.estrella__lista strong { color: var(--blanco); display: block; margin-bottom: 2px; }
.estrella__lista span[aria-hidden] {
  font-family: var(--titular);
  font-size: 0.82rem;
  padding-top: 3px;
  background: var(--gradiente-h);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   13 ter. Nichos de mercado
   -------------------------------------------------------------------------- */
.nichos {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 1px;
  background: var(--linea);
  border: 1px solid var(--linea);
}
.nicho {
  background: var(--negro);
  padding: var(--s3) var(--s3) var(--s4);
  position: relative;
  overflow: hidden;
  transition: background var(--t);
  min-height: 132px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.seccion--carbon .nicho { background: var(--carbon); }
.nicho:hover { background: var(--carbon-alto); }
.nicho::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 2px;
  background: var(--gradiente-h);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 520ms var(--ease);
}
.nicho:hover::after { transform: scaleX(1); }
.nicho__num {
  font-family: var(--titular);
  font-size: 0.76rem;
  letter-spacing: 0.2em;
  color: var(--gris-tenue);
  transition: color 380ms;
}
.nicho:hover .nicho__num { color: var(--cian); }
.nicho h3 { font-size: clamp(1.05rem, 1.5vw, 1.28rem); margin-top: var(--s3); }

/* --------------------------------------------------------------------------
   14. Formulario
   -------------------------------------------------------------------------- */
.formulario { display: grid; gap: var(--s3); }
.campo { display: grid; gap: 8px; position: relative; }
.campo label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--gris);
}
.campo input, .campo select, .campo textarea {
  width: 100%;
  padding: 15px 17px;
  background: var(--carbon);
  border: 1px solid var(--linea);
  color: var(--blanco);
  font-family: var(--cuerpo);
  font-size: 1rem;
  border-radius: 0;
  appearance: none;
  transition: border-color 300ms, background 300ms;
}
.campo textarea { min-height: 150px; resize: vertical; }
.campo select {
  background-image: linear-gradient(45deg, transparent 50%, var(--gris) 50%),
                    linear-gradient(135deg, var(--gris) 50%, transparent 50%);
  background-position: calc(100% - 20px) 23px, calc(100% - 14px) 23px;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}
.campo input:focus, .campo select:focus, .campo textarea:focus {
  outline: none;
  border-color: var(--cian);
  background: var(--carbon-alto);
}
.campo input::placeholder, .campo textarea::placeholder { color: var(--gris-tenue); }
.campo--doble { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s3); }

.campo-trampa { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.consentimiento {
  display: flex; gap: 12px; align-items: flex-start;
  font-size: 0.85rem; color: var(--gris); line-height: 1.5;
}
.consentimiento input { width: 18px; height: 18px; margin-top: 3px; flex-shrink: 0; accent-color: var(--magenta); }
.consentimiento a { color: var(--cian); text-decoration: underline; text-underline-offset: 3px; }
.consentimiento.tiene-error { color: var(--magenta); }
.consentimiento.tiene-error input { outline: 2px solid var(--magenta); outline-offset: 2px; }

.aviso {
  padding: 15px 19px;
  border: 1px solid var(--linea);
  border-left: 3px solid var(--cian);
  background: var(--carbon);
  font-size: 0.9rem;
  color: var(--gris);
}
.aviso--error { border-left-color: var(--magenta); }
.aviso--ok { border-left-color: var(--cian); }

.nota-error { font-size: 0.8rem; color: var(--magenta); display: none; }
.campo.tiene-error input, .campo.tiene-error select, .campo.tiene-error textarea { border-color: var(--magenta); }
.campo.tiene-error .nota-error { display: block; }

.boton[disabled] { opacity: 0.55; pointer-events: none; }

.contacto-dato { border-top: 1px solid var(--linea); padding-block: var(--s3); }
.contacto-dato:last-of-type { border-bottom: 1px solid var(--linea); }
.contacto-dato dt {
  font-size: 0.7rem; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--gris-tenue); margin-bottom: 6px;
}
.contacto-dato dd { margin: 0; font-family: var(--titular); font-size: 1.18rem; }
.contacto-dato dd a { transition: color 260ms; }
.contacto-dato dd a:hover { color: var(--cian); }

/* --------------------------------------------------------------------------
   15. Botón flotante de WhatsApp
   -------------------------------------------------------------------------- */
.wa {
  position: fixed;
  right: 22px; bottom: 22px;
  z-index: 115;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 20px 13px 15px;
  background: var(--negro);
  color: var(--blanco);
  border: 1px solid var(--linea-viva);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  transform: translateY(120px);
  opacity: 0;
  transition: transform 620ms var(--ease), opacity 420ms, border-color 320ms;
}
.wa.visible { transform: none; opacity: 1; }
.wa:hover { border-color: transparent; }
.wa::after {
  content: "";
  position: absolute;
  inset: 0;
  padding: 1px;
  background: var(--gradiente-h);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 320ms;
  pointer-events: none;
}
.wa:hover::after { opacity: 1; }

.wa__icono { position: relative; width: 26px; height: 26px; display: grid; place-items: center; flex-shrink: 0; }
.wa__icono svg { width: 22px; height: 22px; fill: #25d366; }
.wa__icono::before {
  content: "";
  position: absolute;
  inset: -3px;
  border: 1px solid #25d366;
  border-radius: 50%;
  animation: pulso 2.4s var(--ease-suave) infinite;
}
@keyframes pulso {
  0% { transform: scale(0.85); opacity: 0.9; }
  70% { transform: scale(1.5); opacity: 0; }
  100% { opacity: 0; }
}

/* --------------------------------------------------------------------------
   16. Pie
   -------------------------------------------------------------------------- */
.pie { border-top: 1px solid var(--linea); padding-top: var(--s5); padding-bottom: var(--s4); position: relative; }
.pie__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: var(--s4); }
.pie h4 {
  font-family: var(--cuerpo);
  font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--gris-tenue); margin-bottom: var(--s3);
}
.pie ul { display: grid; gap: 12px; }
.pie li a { font-size: 0.92rem; color: var(--gris); transition: color 260ms; }
.pie li a:hover { color: var(--cian); }
.pie__marca img { height: 40px; width: auto; }
.pie__marca p { font-size: 0.9rem; color: var(--gris); margin-top: var(--s3); max-width: 34ch; }
.pie__social { display: flex; gap: 6px; margin-top: var(--s3); }
.pie__social a {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border: 1px solid var(--linea);
  color: var(--gris);
  transition: color 300ms, border-color 300ms, transform 300ms var(--ease);
}
.pie__social a:hover { color: var(--blanco); border-color: var(--linea-viva); transform: translateY(-3px); }
.pie__social svg { width: 17px; height: 17px; fill: currentColor; }

.pie__legal {
  margin-top: var(--s5);
  padding-top: var(--s3);
  border-top: 1px solid var(--linea);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--s2);
  font-size: 0.78rem; color: var(--gris-tenue);
}
.pie__legal a:hover { color: var(--cian); }

/* --------------------------------------------------------------------------
   17. Revelado al hacer scroll
   -------------------------------------------------------------------------- */
.revelar { opacity: 0; transform: translateY(26px); transition: opacity 760ms var(--ease), transform 760ms var(--ease); }
.revelar.visible { opacity: 1; transform: none; }
.revelar[data-retardo="1"] { transition-delay: 90ms; }
.revelar[data-retardo="2"] { transition-delay: 180ms; }
.revelar[data-retardo="3"] { transition-delay: 270ms; }

/* --------------------------------------------------------------------------
   18. Adaptación
   -------------------------------------------------------------------------- */
@media (max-width: 1100px) {
  .col-4, .col-5, .col-6, .col-7, .col-8 { grid-column: span 12; }
  .bloque__indice, .bloque__titulo, .bloque__cuerpo { grid-column: span 12; }
  .pie__grid { grid-template-columns: 1fr 1fr; }
  .datos { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  :root { --margen: 6%; --s6: 76px; --s7: 100px; }
  .menu, .nav__social { display: none; }
  .nav__derecha .boton { display: none; }
  .hamburguesa { display: block; }
  .paso { grid-template-columns: 64px 1fr; }
  .paso p { grid-column: 2; padding-top: 0; }
  .portada__rejilla { background-size: calc(100% / 3) 130px; }
  .portada__abajo { position: static; margin-top: var(--s5); }
}

@media (max-width: 620px) {
  body { font-size: 16px; }
  .datos { grid-template-columns: 1fr; }
  .campo--doble { grid-template-columns: 1fr; }
  .pie__grid { grid-template-columns: 1fr; }
  .filete, .cita { padding-left: var(--s3); }
  .acciones .boton { width: 100%; }
  .wa { right: 14px; bottom: 14px; padding: 12px 16px 12px 13px; font-size: 0.7rem; }
  .portada { min-height: 92svh; }
}

/* --------------------------------------------------------------------------
   19. Accesibilidad: menos movimiento
   -------------------------------------------------------------------------- */
@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;
  }
  .revelar { opacity: 1; transform: none; }
  .palabra > span { transform: none; }
  .lienzo { transition: none; }
  .lienzo__menu a { opacity: 1; transform: none; }
}

@media print {
  .nav, .lienzo, .wa, .progreso, .aurora, .portada__video, .acciones { display: none !important; }
  body { background: #fff; color: #000; }
  body::after { display: none; }
}