/* ==========================================================================
   NX BRAIN (08/10): la página del producto en nxhumans.com/nxbrain. Lleva
   la letra, la barra, los botones y el pie de la web (../styles.css); aquí
   solo lo propio. El color es el del logo oficial de NX Brain (#cce825 →
   #e0e41e, el lima amarillo de su símbolo y del vídeo de lanzamiento).
   Sin `filter: blur` en nada que vaya dentro de una caja redondeada: en el
   iPad Safari lo saca por la esquina (ver el pie de NX Build, 07/10).
   ========================================================================== */

:root {
  --brain:       #cce825;
  --brain-hover: #d9ef3c;
  --brain-tinta: #61630d;
  --brain-suave: #f6f9d6;
  --brain-rojo:  #ff7a6b;
}

/* En esta página, los tokens de color de la web (azul NXHUMANS) pasan al
   lima de NX Brain: así los componentes compartidos (preguntas, enlaces,
   foco, cierre…) llevan su marca sin tocarlos. El tono de texto es el oliva
   del logo, que se lee sobre claro. */
body.nxbrain {
  --nx-cyan:   #a8ab16;
  --nx-cyan-2: #a8ab16;
  --nx-blue:   #6f7a0f;
  --nx-blue-2: #5d660c;
  --nx-violet: #61630d;
  --nx-violet-2: #61630d;
  --g-brand: linear-gradient(120deg, #cce825 0%, #e0e41e 45%, #a8ab16 100%);
  --g-texto: linear-gradient(120deg, #a8ab16 0%, #7d8a12 48%, #61630d 100%);
}

/* ---------- La barra ---------- */
/* El botón de la lista, en el lima de NX Brain (como el cobre en NX Build). */
.btn-lima {
  background: var(--brain); color: #14161d;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.45), 0 8px 22px -10px rgba(204,232,37,0.7);
}
.btn-lima:hover { background: var(--brain-hover); transform: translateY(-1px); }
.nav-brain .brand-logo { height: 20px; }
.nav-brain .nav-right .btn-lima { padding: 10px 16px 10px 18px; font-size: 14px; }

/* ---------- El pie ---------- */
/* El remate se tiñe con el degradado lima del símbolo de NX Brain. */
.pie-brain .pie-logo { height: 22px; }
.pie-brain .pie-correo:hover { text-decoration-color: #a8ab16; }
.pie-brain .pie-remate-color {
  opacity: calc(var(--fin) * .55);
  background: linear-gradient(100deg, #cce825 0%, #e0e41e 40%, #a8ab16 70%, #61630d 100%);
  -webkit-mask: url("base/img/productos/nx-brain-positivo.svg") center / 100% 100% no-repeat;
          mask: url("base/img/productos/nx-brain-positivo.svg") center / 100% 100% no-repeat;
}

/* ---------- El hero (08/10, como NX Build) ---------- */
#hero.brain-hero { padding-top: 176px; text-align: center; }
.bh-cabeza { max-width: 980px; margin: 0 auto; }
.bh-h1 {
  margin: 0; font-family: var(--font-display); font-weight: 500;
  font-size: 58px; line-height: 1.04; letter-spacing: -0.012em; color: var(--text); text-wrap: balance;
}
.bh-h1 .linea { display: block; overflow: hidden; padding-bottom: 0.08em; margin-bottom: -0.08em; }
.bh-h1 .linea > span { display: block; animation: sube 1.1s cubic-bezier(0.16, 1, 0.3, 1) both; animation-delay: var(--paso, 0ms); }
.bh-sub { max-width: 54ch; margin: 28px auto 0; font-size: 18px; line-height: 1.625; color: var(--text-mute); text-wrap: pretty; }
.bh-ctas { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 32px; }
.brain-hero .brain-video { max-width: 900px; margin: 48px auto 0; text-align: left; }
@media (max-width: 1023px) { .bh-h1 { font-size: 50px; } #hero.brain-hero { padding-top: 160px; } }
@media (max-width: 639px) { .bh-h1 { font-size: 38px; } #hero.brain-hero { padding-top: 128px; } }

.brain-sello {
  display: inline-flex; align-items: center; gap: 10px; margin: 0 0 28px;
  padding: 7px 14px 7px 12px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--border); box-shadow: var(--sh-sm);
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--text-mute);
}
/* Un punto lima que late: la lista está abierta. */
.brain-sello-punto { position: relative; width: 8px; height: 8px; border-radius: 50%; background: #a8ab16; }
.brain-sello-punto::after { content: ""; position: absolute; inset: 0; border-radius: inherit; background: var(--brain); animation: brain-late 2.2s ease-out infinite; }
@keyframes brain-late { from { transform: scale(1); opacity: .9; } to { transform: scale(3); opacity: 0; } }

/* «una sola puerta», subrayado con el lima como un rotulador. */
.lima {
  background: linear-gradient(transparent 58%, var(--brain) 58%, var(--brain) 92%, transparent 92%);
  padding: 0 .06em; margin: 0 -.06em;
  -webkit-box-decoration-break: clone; box-decoration-break: clone;
}

/* ---------- El vídeo de lanzamiento (en el hero) ---------- */
/* Un marco grafito con el vídeo dentro, como una pantalla; la portada con
   un botón lima. Al pulsar, el botón se va y salen los controles. */
.brain-video {
  position: relative; margin: 64px 0 0; padding: 10px;
  border-radius: 32px; background: var(--grafito); box-shadow: var(--sh-2xl);
}
.brain-video video {
  display: block; width: 100%; height: auto; aspect-ratio: 16 / 9;
  border-radius: 23px; background: #0d0f14; object-fit: cover;
}
.bv-play {
  position: absolute; inset: 10px; border: 0; border-radius: 23px; cursor: pointer;
  display: flex; align-items: flex-end; justify-content: flex-start; padding: 28px;
  background: linear-gradient(to top, rgba(10,12,16,0.5), transparent 40%);
  color: #fff; font: inherit; text-align: left;
}
/* Abajo a la izquierda, para no tapar el titular de la portada del vídeo. */
.bv-play-icono {
  display: grid; place-items: center; flex: none; width: 64px; height: 64px; border-radius: 50%;
  background: var(--brain); color: #14161d;
  box-shadow: 0 0 0 8px rgba(204,232,37,0.16), 0 20px 40px -12px rgba(0,0,0,0.6);
  transition: scale .35s cubic-bezier(0.16,1,0.3,1), box-shadow .35s;
}
.bv-play-icono svg { width: 26px; height: 26px; fill: currentColor; translate: 2px 0; }
.bv-play:hover .bv-play-icono, .bv-play:focus-visible .bv-play-icono { scale: 1.08; box-shadow: 0 0 0 13px rgba(204,232,37,0.14), 0 20px 40px -12px rgba(0,0,0,0.6); }
.bv-play:focus-visible { outline: 2px solid var(--brain); outline-offset: 4px; }
.bv-play-texto { display: grid; gap: 2px; margin-left: 18px; font-size: 17px; font-weight: 500; letter-spacing: -0.005em; text-shadow: 0 1px 12px rgba(0,0,0,0.5); }
.bv-play-texto em { font-style: normal; font-family: var(--font-mono); font-size: 12.5px; font-weight: 400; color: rgba(255,255,255,0.7); }
.brain-video.sonando .bv-play { display: none; }

/* ---------- Las secciones ---------- */
.brain-seccion { padding: 120px 0 0; }
.brain-cabeza { max-width: 760px; }
.brain-eyebrow { margin: 0 0 16px; font-family: var(--font-mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--text-mute); }
.brain-cabeza h2 {
  margin: 0; font-family: var(--font-display); font-weight: 500;
  font-size: clamp(34px, 4.6vw, 60px); line-height: 1.02; letter-spacing: -0.012em; text-wrap: balance;
}
.brain-cabeza > p:last-child { margin: 20px 0 0; max-width: 60ch; font-size: 18px; line-height: 1.6; color: var(--text-mute); text-wrap: pretty; }
.brain-seccion .puerta-brain { margin-top: 48px; }

/* La cabecera a dos columnas, como el hero: el titular a la izquierda y la
   entradilla abajo a la derecha. */
.brain-cabeza-doble { max-width: none; display: grid; grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); column-gap: 56px; align-items: end; }
.brain-cabeza-doble h2 { font-size: clamp(34px, 4.1vw, 56px); }
/* Una frase por línea en pantalla ancha. */
@media (min-width: 1081px) { .brain-cabeza-doble h2 > span { display: block; white-space: nowrap; } }
.brain-cabeza-doble .brain-eyebrow { grid-column: 1 / -1; }
.brain-cabeza-doble > p:last-child { margin: 0; padding-bottom: 6px; }

/* ---------- El esqueleto (08/10) ----------
   Lo básico de cada sección mientras se diseñan una a una. La caja «boceto»
   dice qué visual irá; desaparece cuando la sección tenga el suyo. */
.boceto {
  display: grid; place-items: center; min-height: 260px; margin-top: 40px; padding: 32px;
  border: 1.5px dashed var(--border-2); border-radius: 24px;
  background: repeating-linear-gradient(135deg, transparent 0 14px, rgba(18,21,31,0.025) 14px 15px);
  font-family: var(--font-mono); font-size: 13px; line-height: 1.6; color: var(--text-mute); text-align: center; text-wrap: balance;
}
.boceto::before { content: "Boceto · "; color: var(--brain-tinta); font-weight: 600; }

/* Texto a un lado y visual al otro; «alreves» les da la vuelta. */
.brain-bloque { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 64px; align-items: center; }
.brain-bloque .boceto { margin-top: 0; min-height: 360px; }
.brain-bloque .brain-cabeza h2 { font-size: clamp(32px, 3.6vw, 48px); }
.brain-bloque-alreves > :first-child { order: 2; }

.brain-lista { list-style: none; margin: 28px 0 0; padding: 0; display: grid; gap: 12px; }
.brain-lista li { position: relative; padding-left: 30px; font-size: 16px; line-height: 1.5; color: var(--text); }
.brain-lista li::before {
  content: ""; position: absolute; left: 0; top: 3px; width: 18px; height: 18px; border-radius: 50%;
  background: var(--brain) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2314161d' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12.5l4 4 8-9'/%3E%3C/svg%3E") center / 12px no-repeat;
}

.brain-comparar { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 48px; }
.brain-columna { padding: 28px 30px; border-radius: 24px; background: var(--surface); border: 1px solid var(--border); }
.brain-columna-con { background: var(--grafito); border-color: var(--grafito); color: var(--grafito-claro); }
.brain-columna-titulo { margin: 0 0 18px; font-family: var(--font-mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--text-mute); }
.brain-columna-con .brain-columna-titulo { color: var(--brain); }
.brain-columna ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.brain-columna li { padding-left: 22px; position: relative; font-size: 16px; line-height: 1.5; }
.brain-columna li::before { content: "×"; position: absolute; left: 0; color: var(--ink-4, #8a90a0); }
.brain-columna-con li::before { content: "→"; color: var(--brain); }

.brain-roles, .brain-despliegue { list-style: none; margin: 40px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.brain-despliegue { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 32px; }
.brain-roles li, .brain-despliegue li { display: grid; gap: 8px; align-content: start; padding: 24px; border-radius: 20px; background: var(--surface); border: 1px solid var(--border); }
.brain-roles b, .brain-despliegue b { font-family: var(--font-display); font-weight: 500; font-size: 20px; letter-spacing: -0.0075em; }
.brain-roles span, .brain-despliegue span { font-size: 15px; line-height: 1.5; color: var(--text-mute); }

.brain-codigo {
  margin: 0; padding: 28px 30px; border-radius: 24px; overflow-x: auto;
  background: var(--grafito); color: var(--grafito-claro); box-shadow: var(--sh-lg);
  font-family: var(--font-mono); font-size: 14.5px; line-height: 1.9;
}
.brain-codigo .c { color: #6f7686; }
.brain-codigo .menos { color: #ff8a7d; }
.brain-codigo .mas { color: var(--brain); }

#lista { padding-bottom: 120px; }
#faq .preguntas { margin-top: 0; }

/* ---------- 2 · Sin / con NX Brain ----------
   La misma escena dos veces, una encima de otra. La de «con» se recorta
   desde --corte hacia la derecha; el corte se arrastra (nxbrain.js). */
.sc-escena {
  position: relative; isolation: isolate; overflow: hidden; margin-top: 48px;
  height: 500px; border-radius: 32px; background: var(--grafito);
  box-shadow: var(--sh-2xl); touch-action: pan-y; user-select: none; cursor: ew-resize;
}
.sc-capa {
  position: absolute; inset: 0;
  display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center;
  padding: 64px 64px;
}
.sc-sin { z-index: 0; background: radial-gradient(ellipse 60% 70% at 50% 50%, rgba(255,122,107,0.06), transparent 70%), #16181f; }
.sc-con {
  z-index: 1; clip-path: inset(0 0 0 var(--corte));
  background:
    radial-gradient(ellipse 45% 60% at 50% 50%, rgba(204,232,37,0.12), transparent 70%),
    radial-gradient(rgba(255,255,255,0.07) 1px, transparent 1.2px) 0 0 / 22px 22px,
    #14161d;
}
.sc-cables { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.sc-sin .sc-cable { fill: none; stroke: rgba(255,255,255,0.24); stroke-width: 1.3; stroke-dasharray: 4 5; animation: sc-caos linear infinite; }
.sc-sin .sc-cable:nth-child(3n) { stroke: rgba(255,138,125,0.42); }
.sc-con .sc-cable { fill: none; stroke: rgba(204,232,37,0.22); stroke-width: 1.4; }
.sc-con .sc-flujo { fill: none; stroke: var(--brain); stroke-width: 2; stroke-linecap: round; stroke-dasharray: 26 400; animation: sc-flujo 2.6s cubic-bezier(0.45,0,0.2,1) infinite; }
@keyframes sc-caos { to { stroke-dashoffset: -64; } }
@keyframes sc-flujo { from { stroke-dashoffset: 26; } to { stroke-dashoffset: -400; } }

.sc-lado { list-style: none; margin: 0; padding: 0; display: grid; gap: 18px; position: relative; z-index: 1; }
.sc-prov { justify-items: end; }
.sc-nodo {
  display: inline-flex; align-items: center; gap: 9px; padding: 9px 14px 9px 11px; border-radius: 13px;
  background: rgba(255,255,255,0.05); border: 1px solid var(--grafito-borde);
  font-size: 14px; font-weight: 500; color: var(--grafito-claro); white-space: nowrap;
}
.sc-prov .sc-nodo { padding: 9px 13px; }
.sc-nodo svg { width: 16px; height: 16px; color: var(--grafito-texto); }
.sc-punto { width: 7px; height: 7px; border-radius: 50%; background: rgba(255,255,255,0.3); }
.sc-con .sc-nodo { border-color: rgba(204,232,37,0.22); }
.sc-con .sc-punto { background: var(--brain); }
.sc-hueco { display: grid; place-items: center; height: 100%; position: relative; z-index: 1; }
.sc-centro {
  display: inline-flex; align-items: center; gap: 10px; padding: 14px 20px; border-radius: 18px;
  background: linear-gradient(180deg, #1f222b, #181a21); border: 1px solid rgba(204,232,37,0.4);
  box-shadow: 0 0 0 8px rgba(204,232,37,0.05), 0 20px 40px -16px rgba(0,0,0,0.8);
  font-family: var(--font-display); font-weight: 500; font-size: 17px; color: #fff;
}

/* Las etiquetas sueltas: claves, facturas, datos… */
.sc-tag {
  position: absolute; left: var(--x); top: var(--y); translate: -50% -50%; z-index: 2;
  display: inline-flex; align-items: center; gap: 7px;
  padding: 6px 11px 6px 8px; border-radius: 9px; white-space: nowrap;
  background: #23262f; border: 1px solid rgba(255,255,255,0.12);
  font-family: var(--font-mono); font-size: 12px; color: var(--grafito-texto);
  transition: opacity .3s, scale .3s, border-color .3s, box-shadow .3s;
}
.sc-tag svg { width: 13px; height: 13px; flex: none; opacity: .9; }
.sc-tag-clave { color: #ffb4aa; }
.sc-tag-mal { color: #ff8a7d; border-color: rgba(255,122,107,0.45); background: #2a1f20; }
.sc-tag-bien { color: var(--brain); border-color: rgba(204,232,37,0.3); background: #1f2318; }
.sc-escena[data-foco] .sc-tag { opacity: .25; }
.sc-escena[data-foco="claves"] .sc-tag[data-tema="claves"],
.sc-escena[data-foco="gasto"] .sc-tag[data-tema="gasto"],
.sc-escena[data-foco="datos"] .sc-tag[data-tema="datos"],
.sc-escena[data-foco="proveedores"] .sc-tag[data-tema="proveedores"] { opacity: 1; scale: 1.08; box-shadow: 0 0 0 4px rgba(255,255,255,0.06); }

.sc-etiqueta {
  position: absolute; top: 20px; z-index: 3;
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase;
  padding: 6px 10px; border-radius: 999px; background: rgba(255,255,255,0.06); color: var(--grafito-texto);
}
.sc-sin .sc-etiqueta { left: 20px; }
.sc-con .sc-etiqueta { right: 20px; color: var(--brain); background: rgba(204,232,37,0.1); }

/* Las cuentas, abajo: 4 × 4 frente a una. */
.sc-cuenta {
  position: absolute; bottom: 22px; z-index: 3; display: grid; gap: 2px;
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .06em; text-transform: uppercase; color: var(--grafito-texto);
}
.sc-cuenta b { font-family: var(--font-display); font-weight: 500; font-size: 44px; line-height: 1; letter-spacing: -0.012em; text-transform: none; color: #fff; }
.sc-sin .sc-cuenta { left: 28px; }
.sc-sin .sc-cuenta b { color: #ff8a7d; }
.sc-con .sc-cuenta { right: 28px; text-align: right; }
.sc-con .sc-cuenta b { color: var(--brain); }

/* Los puntos que van y vienen por los cables del lío (nxbrain.js). */
.sc-ruido { fill: #ff8a7d; }
.sc-ruido.gris { fill: rgba(255,255,255,0.55); }

/* El corte, con su asa. */
.sc-corte {
  position: absolute; top: 0; bottom: 0; left: var(--corte); z-index: 4; width: 44px; margin-left: -22px;
  display: grid; place-items: center; cursor: ew-resize; outline: none;
}
.sc-corte::before { content: ""; position: absolute; top: 0; bottom: 0; left: 50%; width: 2px; margin-left: -1px; background: linear-gradient(transparent, var(--brain) 15%, var(--brain) 85%, transparent); }
.sc-asa {
  position: relative; display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%;
  background: var(--brain); color: #14161d;
  box-shadow: 0 0 0 6px rgba(204,232,37,0.18), 0 10px 24px -6px rgba(0,0,0,0.6);
  transition: scale .25s cubic-bezier(0.16,1,0.3,1);
}
.sc-asa svg { width: 20px; height: 20px; }
.sc-escena:hover .sc-asa, .sc-corte:focus-visible .sc-asa { scale: 1.08; }
.sc-corte:focus-visible .sc-asa { box-shadow: 0 0 0 3px #14161d, 0 0 0 5px var(--brain); }

/* La pista, bajo la escena. */
.sc-pista { margin: 14px 0 0; text-align: center; font-family: var(--font-mono); font-size: 12px; color: var(--text-mute); }
.sc-pista span { display: inline-block; color: var(--brain-tinta); animation: sc-pista 1.8s ease-in-out infinite; }
.sc-pista span:last-child { animation-direction: reverse; }
@keyframes sc-pista { 50% { translate: -3px 0; } }

/* Las cuatro diferencias, debajo. */
.sc-dif { list-style: none; margin: 20px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.sc-dif li {
  display: grid; gap: 10px; align-content: start; padding: 22px 22px 24px; border-radius: 20px;
  background: var(--surface); border: 1px solid var(--border); outline: none;
  transition: border-color .25s, box-shadow .25s, translate .25s;
}
.sc-dif li:hover, .sc-dif li:focus-visible { border-color: var(--border-2); box-shadow: var(--sh-md); translate: 0 -2px; }
.sc-num { font-family: var(--font-mono); font-size: 12px; color: var(--text-mute); }
.sc-dif b { font-family: var(--font-display); font-weight: 500; font-size: 19px; letter-spacing: -0.0075em; }
.sc-antes, .sc-ahora { position: relative; padding-left: 24px; font-size: 14.5px; line-height: 1.5; }
.sc-antes { color: var(--text-mute); }
.sc-antes::before, .sc-ahora::before {
  content: ""; position: absolute; left: 0; top: 2px; width: 16px; height: 16px; border-radius: 50%;
}
.sc-antes::before { background: #eceef3 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238a90a0' stroke-width='3' stroke-linecap='round'%3E%3Cpath d='M8 8l8 8M16 8l-8 8'/%3E%3C/svg%3E") center / 10px no-repeat; }
.sc-ahora { color: var(--text); }
.sc-ahora::before { background: var(--brain) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2314161d' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12.5l4 4 8-9'/%3E%3C/svg%3E") center / 11px no-repeat; }

@media (max-width: 1080px) {
  .sc-dif { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .sc-escena { height: 440px; border-radius: 24px; margin-top: 36px; }
  .sc-capa { padding: 56px 14px 40px; }
  .sc-lado { gap: 12px; }
  .sc-nodo { font-size: 12.5px; padding: 7px 10px 7px 8px; gap: 6px; }
  .sc-prov .sc-nodo { padding: 7px 10px; }
  .sc-nodo svg { width: 14px; height: 14px; }
  .sc-centro { padding: 12px; border-radius: 14px; }
  .sc-centro span { display: none; }
  .sc-asa { width: 34px; height: 34px; }
  .sc-asa svg { width: 16px; height: 16px; }
  .sc-etiqueta { top: 14px; font-size: 10px; padding: 5px 8px; }
  .sc-sin .sc-etiqueta { left: 12px; }
  .sc-con .sc-etiqueta { right: 12px; }
  .sc-tag:not(.sc-tag-movil) { display: none; }
  .sc-tag { left: var(--xm, var(--x)); top: var(--ym, var(--y)); }
  .sc-cuenta { bottom: 16px; font-size: 9.5px; letter-spacing: .02em; }
  .sc-cuenta b { font-size: 30px; }
  .sc-sin .sc-cuenta { left: 14px; }
  .sc-con .sc-cuenta { right: 14px; }

  .sc-tag { font-size: 11px; padding: 5px 8px; }
  .sc-dif { grid-template-columns: minmax(0, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
  .sc-sin .sc-cable, .sc-con .sc-flujo, .sc-pista span { animation: none; }
}

/* ---------- 4 · El gasto: los cuatro datos ---------- */
.gs-datos { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 28px; margin: 32px 0 0; }
.gs-datos div { padding: 16px 0 18px; border-top: 1px solid var(--border-2); }
.gs-datos dt { font-family: var(--font-display); font-weight: 500; font-size: 18px; letter-spacing: -0.0075em; }
.gs-datos dd { margin: 6px 0 0; font-size: 14.5px; line-height: 1.5; color: var(--text-mute); }

/* La pila: dos tarjetas de otros proyectos asoman detrás de la buena. */
.gs-pila { position: relative; padding-top: 64px; }
.gs-fantasma {
  position: absolute; left: 0; right: 0; height: 120px; border-radius: 28px;
  display: flex; align-items: flex-start; gap: 10px; padding: 9px 26px;
  background: var(--surface); border: 1px solid var(--border); box-shadow: var(--sh-md);
  font-size: 12.5px; font-weight: 500; color: var(--text-mute);
}
.gs-fantasma em { margin-left: auto; font-style: normal; font-family: var(--font-mono); font-size: 11.5px; color: var(--brain-tinta); }
.gs-fantasma-2 { top: 0; scale: .9; opacity: .6; }
.gs-fantasma-1 { top: 30px; scale: .95; opacity: .9; }
.gs-pila .gs-tarjeta { z-index: 1; }

/* ---------- 4 · El gasto: el presupuesto en marcha ----------
   Una tarjeta clara, como la consola de NX Brain. La barra: lo cobrado
   (lleno, lima), la reserva de la petición en curso (rayado) y las marcas
   de los avisos. Debajo, las últimas peticiones; si una no cabe, el aviso. */
.gs-tarjeta {
  position: relative; overflow: hidden; margin: 0; padding: 28px 28px 22px;
  border-radius: 28px; background: var(--surface); border: 1px solid var(--border); box-shadow: var(--sh-2xl);
}
.gs-cab { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.gs-proyecto { display: inline-flex; align-items: center; gap: 8px; font-size: 14.5px; font-weight: 500; }
.gs-proyecto svg { width: 16px; height: 16px; color: var(--text-mute); }
.gs-periodo { padding: 4px 10px; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--border); font-family: var(--font-mono); font-size: 11.5px; color: var(--text-mute); }
.gs-cifra { display: flex; align-items: baseline; gap: 10px; margin: 22px 0 0; font-variant-numeric: tabular-nums; }
.gs-cifra b { font-family: var(--font-display); font-weight: 500; font-size: 52px; line-height: 1; letter-spacing: -0.012em; }
.gs-cifra span { font-size: 16px; color: var(--text-mute); }
.gs-cifra em { margin-left: auto; font-style: normal; font-family: var(--font-mono); font-size: 13px; padding: 4px 9px; border-radius: 8px; background: var(--brain-suave); color: var(--brain-tinta); transition: background-color .3s, color .3s; }
.gs-cifra em.alto { background: #fff1db; color: #a15c07; }

.gs-barra { position: relative; height: 14px; margin: 38px 0 34px; border-radius: 999px; background: var(--surface-2); box-shadow: inset 0 0 0 1px var(--border); }
.gs-lleno {
  position: absolute; left: 0; top: 0; bottom: 0; border-radius: 999px 0 0 999px;
  background: linear-gradient(90deg, #e0e41e, var(--brain)); transition: width .7s cubic-bezier(0.16,1,0.3,1);
}
.gs-reserva {
  position: absolute; top: 0; bottom: 0; left: var(--desde, 0%); width: 0;
  background: repeating-linear-gradient(135deg, rgba(168,171,22,0.55) 0 4px, rgba(168,171,22,0.15) 4px 8px);
  box-shadow: inset 0 0 0 1px rgba(168,171,22,0.6);
  transition: width .45s cubic-bezier(0.16,1,0.3,1), left .7s cubic-bezier(0.16,1,0.3,1);
}
.gs-reserva.no { background: repeating-linear-gradient(135deg, rgba(255,92,77,0.6) 0 4px, rgba(255,92,77,0.18) 4px 8px); box-shadow: inset 0 0 0 1px rgba(255,92,77,0.8); }
.gs-marca { position: absolute; left: var(--m); top: -4px; bottom: -4px; width: 0; z-index: 1; }
.gs-marca i { position: absolute; left: -1px; top: 0; bottom: 0; width: 2px; border-radius: 2px; background: var(--border-2); transition: background-color .3s; }
.gs-marca small { position: absolute; top: calc(100% + 6px); left: 0; translate: -50% 0; white-space: nowrap; font-family: var(--font-mono); font-size: 11px; color: var(--text-mute); transition: color .3s; }
.gs-marca.pasado i { left: -1.5px; width: 3px; top: 4px; bottom: 4px; border-radius: 0; background: var(--surface); }
.gs-marca.pasado small { color: var(--text); }
.gs-marca-tope small { top: auto; bottom: calc(100% + 6px); translate: -100% 0; color: var(--text); }
.gs-marca-tope i { background: #14161d; }

.gs-lista { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; min-height: 152px; align-content: start; }
.gs-lista li {
  display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 12px;
  background: var(--surface-2); font-size: 13.5px; color: var(--text-mute);
  animation: gs-entra .45s cubic-bezier(0.16,1,0.3,1) both;
}
.gs-lista li b { color: var(--text); font-weight: 500; }
.gs-lista li s { margin-left: 6px; color: var(--ink-4, #8a90a0); }
.gs-tarjeta .gs-lista, .gs-tarjeta .gs-barra, .gs-tarjeta .gs-cifra { transition: opacity .4s; }
.gs-tarjeta.gs-reinicio .gs-lista, .gs-tarjeta.gs-reinicio .gs-barra, .gs-tarjeta.gs-reinicio .gs-cifra { opacity: .2; }
.gs-lista li .gs-dato { margin-left: auto; font-family: var(--font-mono); font-size: 12px; white-space: nowrap; font-variant-numeric: tabular-nums; }
.gs-lista li svg { width: 15px; height: 15px; flex: none; }
.gs-lista li.ok svg { color: #7d8a12; }
.gs-lista li.aviso { background: #fff7e8; }
.gs-lista li.aviso svg { color: #c27a0e; }
.gs-lista li.no { background: #fff0ee; }
.gs-lista li.no svg { color: #e0483a; }
@keyframes gs-entra { from { opacity: 0; translate: 0 -6px; } }

.gs-alerta {
  position: absolute; left: 20px; right: 20px; bottom: 20px; z-index: 2;
  display: flex; align-items: flex-start; gap: 12px; padding: 14px 16px; border-radius: 16px;
  background: #14161d; color: var(--grafito-claro); box-shadow: 0 24px 50px -16px rgba(18,21,31,0.55);
  opacity: 0; translate: 0 14px; pointer-events: none; transition: opacity .35s, translate .45s cubic-bezier(0.16,1,0.3,1);
}
.gs-alerta.ver { opacity: 1; translate: 0 0; }
.gs-alerta-icono { display: grid; place-items: center; flex: none; width: 32px; height: 32px; border-radius: 10px; background: rgba(255,122,107,0.16); color: var(--brain-rojo); }
.gs-alerta-icono svg { width: 18px; height: 18px; }
.gs-alerta b { display: block; font-size: 14.5px; color: #fff; }
.gs-alerta span { font-size: 13.5px; color: var(--grafito-texto); }
.gs-ejemplo { position: absolute; right: 28px; bottom: 6px; font-family: var(--font-mono); font-size: 10.5px; color: var(--ink-4, #8a90a0); opacity: .7; }

@media (max-width: 640px) {
  .gs-tarjeta { padding: 22px 18px 20px; border-radius: 22px; }
  .gs-cifra { flex-wrap: wrap; row-gap: 6px; }
  .gs-cifra b { font-size: 34px; white-space: nowrap; }
  .gs-cifra span { white-space: nowrap; }
  .gs-datos { grid-template-columns: minmax(0, 1fr); }
  .gs-pila { padding-top: 60px; }
  .gs-fantasma { border-radius: 22px; padding: 8px 18px; }
  .gs-fantasma-1 { top: 28px; }
  .gs-lista li { font-size: 12.5px; padding: 8px 10px; }
  .gs-alerta { left: 12px; right: 12px; bottom: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  .gs-lista li { animation: none; }
}

/* ---------- 5 · Tus datos: el clip y la prueba ---------- */
.dt-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 20px; margin-top: 48px; align-items: center; }
.dt-video {
  position: relative; margin: 0; padding: 8px; border-radius: 28px;
  background: var(--grafito); box-shadow: var(--sh-2xl);
}
.dt-video video { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; border-radius: 21px; background: #f4f4f5; object-fit: cover; }
.dt-video figcaption {
  position: absolute; left: 22px; top: 22px; display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 10px; border-radius: 999px; background: rgba(20,22,29,0.78);
  font-family: var(--font-mono); font-size: 11px; color: var(--grafito-claro);
}
.dt-punto { width: 7px; height: 7px; border-radius: 50%; background: var(--brain); box-shadow: 0 0 0 3px rgba(204,232,37,0.25); }
.dt-lado { display: grid; gap: 20px; align-content: start; }
.dt-captura {
  position: relative; margin: 0; overflow: hidden; border-radius: 22px;
  background: var(--surface); border: 1px solid var(--border); box-shadow: var(--sh-lg);
}
.dt-captura figcaption { display: grid; gap: 2px; padding: 16px 18px 12px; }
.dt-captura figcaption b { font-size: 15px; font-weight: 600; }
.dt-captura figcaption span { font-size: 12.5px; color: var(--text-mute); }
.dt-captura img { display: block; width: 100%; height: auto; }
.dt-real { position: absolute; right: 16px; top: 18px; font-family: var(--font-mono); font-size: 10.5px; color: var(--text-mute); opacity: .8; }
.dt-modos { display: flex; align-items: center; gap: 18px; padding: 14px 10px 6px 14px; color: var(--grafito-claro); }
.dt-modos-titulo { margin: 0; flex: none; font-size: 13.5px; line-height: 1.35; font-weight: 500; color: #fff; }
.dt-seg { flex: 1; list-style: none; margin: 0; padding: 4px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 4px; border-radius: 14px; background: rgba(255,255,255,0.05); border: 1px solid var(--grafito-borde); }
.dt-seg li { display: flex; align-items: center; justify-content: center; gap: 7px; padding: 9px 4px; border-radius: 10px; font-size: 12.5px; font-weight: 500; color: var(--grafito-texto); }
.dt-seg li svg { width: 15px; height: 15px; flex: none; }
.dt-seg li.on { background: rgba(204,232,37,0.12); color: var(--brain); box-shadow: inset 0 0 0 1px rgba(204,232,37,0.3); }
.dt-seg li.no { background: rgba(255,122,107,0.12); color: var(--brain-rojo); box-shadow: inset 0 0 0 1px rgba(255,122,107,0.35); }
.dt-tipos { margin: 0; padding: 0 4px; font-family: var(--font-mono); font-size: 12px; line-height: 1.75; color: var(--text-mute); }

@media (max-width: 960px) {
  .dt-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .dt-video { padding: 6px; border-radius: 22px; }
  .dt-video video { border-radius: 17px; }
  .dt-video figcaption { display: none; }
  .dt-real { display: none; }
  .dt-modos { flex-direction: column; align-items: stretch; gap: 10px; padding: 12px 4px 4px; }
  .dt-modos-titulo br { display: none; }
  .dt-seg li { flex-direction: column; gap: 4px; font-size: 11.5px; }
}

/* ---------- 6 · Auditoría: el registro y su ticket ----------
   La captura a todo el ancho (se lee); una fila marcada en lima y, colgando
   de ella, el ticket de esa petición, que sale de su ranura al verse. */
.au-escena { position: relative; margin-top: 48px; display: grid; grid-template-columns: minmax(0, 1fr) 340px; column-gap: 40px; }
.au-captura {
  position: relative; grid-column: 1 / -1; margin: 0; overflow: hidden;
  border-radius: 24px; background: #f4f4f5; border: 1px solid var(--border); box-shadow: var(--sh-lg);
}
.au-captura img { display: block; width: 100%; height: auto; }
.au-fila {
  position: absolute; left: 1.1%; right: 1.1%; top: 88.70%; height: 6.10%;
  background: rgba(204,232,37,0.16); box-shadow: inset 3px 0 0 var(--brain), inset 0 0 0 1px rgba(168,171,22,0.55);
}
.au-real { position: absolute; left: 50%; translate: -50% 0; top: 18px; padding: 4px 9px; border-radius: 999px; background: rgba(255,255,255,0.85); font-family: var(--font-mono); font-size: 10.5px; color: var(--text-mute); }

/* El ticket cuelga de la fila marcada, a la derecha. */
/* Sube hasta el borde de abajo de la fila marcada (el 5,19 % del alto de la
   captura, que es el 2,455 % de su ancho: el de .container sin sus 64 px). */
.au-ticket-caja { position: relative; grid-column: 2; grid-row: 2; margin-top: calc(-0.02455 * (min(100vw, 1200px) - 64px) - 6px); z-index: 2; }
.au-ranura { position: relative; z-index: 2; display: block; height: 12px; margin: 0 -10px; border-radius: 999px; background: #14161d; box-shadow: 0 6px 14px -4px rgba(18,21,31,0.5), inset 0 -2px 0 rgba(255,255,255,0.08); }
.au-ticket {
  position: relative; margin: -6px 0 0; padding: 18px 20px 16px; transform-origin: 50% 0;
  background: #fffef9; color: #22252d;
  box-shadow: 0 30px 50px -24px rgba(18,21,31,0.45), 0 2px 6px rgba(18,21,31,0.08);
  font-family: var(--font-mono); font-size: 12px;
  /* El borde de abajo, dentado como un ticket. */
  -webkit-mask: linear-gradient(#000 0 0) top / 100% calc(100% - 8px) no-repeat, radial-gradient(circle at 6px 0, transparent 5px, #000 5.5px) bottom / 12px 8px repeat-x;
          mask: linear-gradient(#000 0 0) top / 100% calc(100% - 8px) no-repeat, radial-gradient(circle at 6px 0, transparent 5px, #000 5.5px) bottom / 12px 8px repeat-x;
  clip-path: inset(0 0 100% 0);
  transition: clip-path 1.6s steps(24, end), rotate .9s cubic-bezier(0.34,1.56,0.64,1) 1.65s, translate .9s cubic-bezier(0.34,1.56,0.64,1) 1.65s;
}
.au-ticket-caja.impreso .au-ticket { clip-path: inset(0 -40px -40px -40px); rotate: 1.4deg; translate: 3px 2px; }
.au-t-cab { display: flex; align-items: center; gap: 8px; margin: 0 0 12px; padding-bottom: 10px; border-bottom: 1px dashed #c9cbd1; font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: #22252d; }
.au-t-campos { margin: 0; display: grid; gap: 4px; }
.au-t-campos div { display: flex; justify-content: space-between; gap: 12px; }
.au-t-campos dt { color: #7c808c; }
.au-t-campos dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }
.au-ok { padding: 1px 7px; border-radius: 999px; background: #e3f4e9; color: #1f7a45; }
.au-t-texto { margin: 12px 0 0; padding-top: 10px; border-top: 1px dashed #c9cbd1; display: grid; gap: 8px; }
.au-t-texto p { margin: 0; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 3px 10px; }
.au-t-texto p i { grid-column: 1 / -1; grid-row: 2; }
.au-t-texto span { color: #7c808c; }
.au-t-texto i { display: block; height: 16px; border-radius: 4px; background: repeating-linear-gradient(135deg, #e7e8ec 0 5px, #f6f6f8 5px 10px); }
.au-t-texto em { font-style: normal; font-size: 11px; color: #a15c07; }
.au-t-barras { display: block; height: 28px; margin-top: 14px; background: repeating-linear-gradient(90deg, #22252d 0 2px, transparent 2px 4px, #22252d 4px 5px, transparent 5px 8px, #22252d 8px 11px, transparent 11px 12px); opacity: .85; }

.au-datos { grid-column: 1; grid-row: 2; margin-top: 28px; align-self: center; }
.au-t-id { display: block; margin-top: 6px; text-align: center; font-size: 10.5px; letter-spacing: .18em; color: #7c808c; }
/* La fila se enciende primero; luego sale su ticket. */
.au-fila { opacity: 0; transition: opacity .35s; }
.au-escena.elegida .au-fila { opacity: 1; }

@media (max-width: 960px) {
  .au-real { display: none; }
  .au-escena { grid-template-columns: minmax(0, 1fr); }
  .au-ticket-caja { grid-column: 1; grid-row: 2; margin: -6px auto 0; width: min(340px, 92%); }
  .au-datos { grid-row: 3; }
}
@media (prefers-reduced-motion: reduce) {
  .bh-h1 .linea > span { animation: none; }
  .ag-pide-punto { animation: none; }
  .cb-pasos li.ahora::after { animation: none; }
  .au-ticket { transition: none; rotate: 0deg !important; translate: 0 0 !important; }
  .au-fila { opacity: 1; transition: none; }
}

/* ---------- 7 · Cambios: un cambio de principio a fin ---------- */
.cb-escena { margin-top: 48px; }
.cb-pasos { list-style: none; margin: 0 0 16px; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.cb-pasos li {
  position: relative; display: flex; align-items: center; gap: 12px; padding: 14px 16px; border-radius: 18px;
  background: var(--surface); border: 1px solid var(--border); color: var(--text-mute);
  transition: border-color .35s, box-shadow .35s, color .35s, background-color .35s;
}
/* La línea que une los pasos. */
.cb-pasos li + li::before { content: ""; position: absolute; right: 100%; top: 50%; width: 12px; height: 2px; background: var(--border-2); transition: background-color .35s; }
.cb-pasos li.hecho + li::before, .cb-pasos li.hecho + li.ahora::before { background: #a8ab16; }
.cb-icono { display: grid; place-items: center; flex: none; width: 36px; height: 36px; border-radius: 50%; background: var(--surface-2); border: 1px solid var(--border); transition: background-color .35s, border-color .35s, color .35s; }
.cb-icono svg { width: 17px; height: 17px; }
.cb-pasos b { display: block; font-size: 15px; font-weight: 600; color: var(--text); }
.cb-pasos small { display: block; margin-top: 1px; font-size: 12.5px; }
.cb-pasos li.ahora { border-color: rgba(168,171,22,0.6); box-shadow: 0 0 0 4px rgba(204,232,37,0.18), var(--sh-md); color: var(--text); }
.cb-pasos li.ahora .cb-icono { background: var(--brain); border-color: var(--brain); color: #14161d; }
.cb-pasos li.hecho .cb-icono { background: #14161d; border-color: #14161d; color: var(--brain); }
.cb-paso-quizas { border-style: dashed !important; }
/* El paso activo lleva su barra, que se llena mientras dura. */
.cb-pasos li::after { content: ""; position: absolute; left: 16px; right: 16px; bottom: -1px; height: 2px; border-radius: 2px; background: var(--brain); transform: scaleX(0); transform-origin: left; }
.cb-pasos li.ahora::after { animation: cb-barra var(--cb-t, 2800ms) linear forwards; }
@keyframes cb-barra { to { transform: scaleX(1); } }
.cb-pie { margin: 10px 0 0; text-align: right; font-family: var(--font-mono); font-size: 11px; color: var(--text-mute); }

.cb-bajo { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; margin-top: 16px; }
.cb-diff { padding: 20px 22px; border-radius: 22px; background: var(--grafito); color: var(--grafito-claro); box-shadow: var(--sh-lg); }
.cb-diff-cab { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin: 0 0 14px; font-size: 14px; font-weight: 500; color: #fff; }
.cb-diff-cab em { font-style: normal; font-family: var(--font-mono); font-size: 12px; padding: 3px 9px; border-radius: 999px; background: rgba(255,255,255,0.08); color: var(--grafito-texto); transition: background-color .4s, color .4s; }
.cb-diff-cab em.activa { background: var(--brain); color: #14161d; }
.cb-diff pre { margin: 0; font-family: var(--font-mono); font-size: 13.5px; line-height: 1.85; white-space: pre; overflow-x: auto; }
.cb-diff .c { color: #6f7686; }
.cb-diff .mas { display: inline-block; width: 100%; margin: 0 -8px; padding: 0 8px; border-radius: 6px; background: rgba(204,232,37,0.12); color: var(--brain); }
.cb-firmas { padding: 20px 22px; border-radius: 22px; background: var(--surface); border: 1px solid var(--border); }
.cb-firmas-cab { margin: 0 0 12px; font-size: 14px; font-weight: 500; }
.cb-firmas ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.cb-firmas li { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 14px; background: var(--surface-2); border: 1px solid transparent; transition: border-color .35s, background-color .35s; }
.cb-firmas li i { display: grid; place-items: center; flex: none; width: 32px; height: 32px; border-radius: 50%; background: #14161d; color: #fff; font-style: normal; font-size: 12px; font-weight: 700; transition: background-color .35s, color .35s; }
.cb-firmas li span { display: grid; font-size: 13px; color: var(--text-mute); }
.cb-firmas li b { font-size: 14.5px; font-weight: 600; color: var(--text); }
.cb-firmas li small { margin-left: auto; font-family: var(--font-mono); font-size: 11.5px; color: var(--text-mute); }
.cb-firmas li.firma { background: var(--brain-suave); border-color: rgba(168,171,22,0.45); }
.cb-firmas li.firma i { background: var(--brain); color: #14161d; }
.cb-regla { display: flex; align-items: center; gap: 8px; margin: 14px 0 0; font-size: 13px; color: var(--text-mute); }
.cb-regla svg { width: 16px; height: 16px; flex: none; color: #7d8a12; }

.cb-captura {
  position: relative; margin: 0; overflow: hidden; aspect-ratio: 1851 / 318; background: #fff !important;
  border-radius: 24px; background: #f4f4f5; border: 1px solid var(--border); box-shadow: var(--sh-lg);
}
.cb-img { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; transition: opacity .6s ease; }
.cb-img.activa { opacity: 1; }
.cb-fila { position: absolute; left: .6%; right: .6%; top: 16.6%; height: 26.6%; border-radius: 6px; box-shadow: 0 0 0 2px var(--brain), 0 0 0 6px rgba(204,232,37,0.22); pointer-events: none; }
/* La firma de quien actúa en cada paso, junto a la fila. */
.cb-firma {
  position: absolute; left: 31%; top: calc(16.6% + 13.3% - 15px); display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 11px 5px 5px; border-radius: 999px; background: #14161d; color: #fff;
  font-size: 12.5px; font-weight: 500; box-shadow: var(--sh-md);
  opacity: 0; translate: 0 6px; transition: opacity .3s, translate .4s cubic-bezier(0.16,1,0.3,1);
}
.cb-firma.ver { opacity: 1; translate: 0 0; }
.cb-firma i { display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: var(--brain); color: #14161d; font-style: normal; font-size: 10.5px; font-weight: 700; }

@media (max-width: 960px) {
  .cb-bajo { grid-template-columns: minmax(0, 1fr); }
  .cb-pasos { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cb-pasos li + li::before { display: none; }
}
@media (max-width: 640px) {
  .cb-pasos li { padding: 10px 12px; gap: 10px; }
  .cb-icono { width: 30px; height: 30px; }
  .cb-pasos small { font-size: 11.5px; }
  .cb-firma { display: none; }
}

/* ---------- 8 · Agentes: el interruptor ---------- */
.ag-escena { position: relative; margin-top: 48px; padding: 0 14px 14px; border-radius: 30px; background: var(--grafito); box-shadow: var(--sh-2xl); }
.ag-barra { display: flex; align-items: center; gap: 14px; padding: 14px 6px 14px 8px; color: var(--grafito-claro); }
.ag-nombre { display: inline-flex; align-items: center; gap: 9px; font-size: 15px; font-weight: 500; color: #fff; }
.ag-nombre svg { width: 18px; height: 18px; color: var(--brain); }
.ag-estado { padding: 4px 10px; border-radius: 999px; background: rgba(204,232,37,0.14); color: var(--brain); font-family: var(--font-mono); font-size: 11.5px; transition: background-color .3s, color .3s; }
.ag-escena.pausado .ag-estado { background: rgba(255,184,77,0.16); color: #ffc46b; }
.ag-switch { margin-left: auto; display: inline-flex; align-items: center; gap: 12px; padding: 0; border: 0; background: none; cursor: pointer; font: inherit; color: var(--grafito-texto); }
.ag-switch-txt { font-family: var(--font-mono); font-size: 12px; }
.ag-pista { position: relative; display: block; width: 58px; height: 32px; border-radius: 999px; background: var(--brain); box-shadow: inset 0 0 0 1px rgba(0,0,0,0.1); transition: background-color .3s; }
.ag-bola { position: absolute; top: 3px; left: 29px; width: 26px; height: 26px; border-radius: 50%; background: #14161d; box-shadow: 0 2px 6px rgba(0,0,0,0.35); transition: left .35s cubic-bezier(0.34,1.56,0.64,1); }
.ag-escena.pausado .ag-pista { background: #3a3d47; }
.ag-escena.pausado .ag-bola { left: 3px; background: #fff; }
.ag-switch:focus-visible .ag-pista { outline: 2px solid var(--brain); outline-offset: 3px; }
.ag-switch:hover .ag-bola { box-shadow: 0 0 0 5px rgba(255,255,255,0.12), 0 2px 6px rgba(0,0,0,0.35); }

.ag-captura { position: relative; margin: 0; overflow: hidden; aspect-ratio: 2041 / 1059; border-radius: 20px; background: #fff; }
.ag-img { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; transition: opacity .45s ease, filter .6s ease; }
/* Pausado: todo se apaga a gris. */
.ag-escena.pausado .ag-img { filter: grayscale(1) contrast(.92) brightness(1.02); }
.ag-escena.pausado .ag-fila, .ag-escena.pausado .ag-nota { opacity: .25; }
.ag-fila, .ag-nota { transition: opacity .4s; }
.ag-img.activa { opacity: 1; }
.ag-fila { position: absolute; left: 2.2%; right: 2.2%; top: 90.9%; height: 8.3%; border-radius: 4px; box-shadow: inset 0 0 0 2px var(--brain); background: rgba(204,232,37,0.08); }
.ag-nota {
  position: absolute; left: 87.5%; top: 95%; translate: -50% -50%; display: inline-flex; align-items: center; gap: 7px;
  padding: 6px 12px 6px 9px; border-radius: 999px; background: #14161d; color: #fff; font-size: 12.5px; font-weight: 500; white-space: nowrap; box-shadow: var(--sh-md);
}
.ag-nota svg { width: 15px; height: 15px; color: var(--brain); }
.ag-velo {
  position: absolute; left: 50%; top: 52%; translate: -50% -40%; display: flex; align-items: flex-start; gap: 14px;
  width: min(460px, 86%); padding: 18px 20px; border-radius: 18px; background: rgba(20,22,29,0.94); color: var(--grafito-claro);
  box-shadow: 0 30px 60px -20px rgba(18,21,31,0.6); opacity: 0; pointer-events: none;
  transition: opacity .35s, translate .45s cubic-bezier(0.16,1,0.3,1);
}
.ag-escena.pausado .ag-velo { opacity: 1; translate: -50% -50%; }
.ag-velo-icono { display: grid; place-items: center; flex: none; width: 36px; height: 36px; border-radius: 12px; background: rgba(255,184,77,0.16); color: #ffc46b; }
.ag-velo-icono svg { width: 18px; height: 18px; }
.ag-velo b { display: block; font-size: 16px; color: #fff; }
.ag-velo span { font-size: 14px; line-height: 1.5; color: var(--grafito-texto); }
.ag-datos { grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 28px; padding-right: 320px; min-height: 150px; }

/* La petición de visto bueno, saliendo del marco por abajo a la derecha. */
.ag-pide {
  position: absolute; right: -18px; bottom: -132px; z-index: 3; width: 300px; padding: 16px 16px 14px;
  border-radius: 20px; background: var(--surface); border: 1px solid var(--border); box-shadow: 0 30px 60px -20px rgba(18,21,31,0.45), var(--sh-md);
  transition: filter .5s;
}
.ag-escena.pausado .ag-pide { filter: grayscale(1); pointer-events: none; }
.ag-escena.pausado .ag-pide-botones { opacity: .5; }
.ag-pide p { margin: 0; }
.ag-pide-cab { display: flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: #a15c07; }
.ag-pide-punto { width: 8px; height: 8px; border-radius: 50%; background: #f0a020; box-shadow: 0 0 0 3px rgba(240,160,32,0.2); animation: brain-late 2s ease-out infinite; }
.ag-pide-que { margin-top: 10px !important; font-size: 15px; }
.ag-pide-que b { font-family: var(--font-mono); font-weight: 600; }
.ag-pide-detalle { margin-top: 4px !important; font-size: 13px; line-height: 1.5; color: var(--text-mute); }
.ag-pide-botones { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 14px; }
.ag-pide-botones button { padding: 9px 10px; border-radius: 12px; font: inherit; font-size: 13.5px; font-weight: 600; cursor: pointer; transition: transform .2s, background-color .2s; }
.ag-si { border: 0; background: var(--brain); color: #14161d; }
.ag-si:hover { background: var(--brain-hover); transform: translateY(-1px); }
.ag-no { border: 1px solid var(--border-2); background: var(--surface); color: #c93b3b; }
.ag-no:hover { background: #fff3f1; transform: translateY(-1px); }
.ag-pide-fin { margin-top: 12px !important; display: flex; align-items: flex-start; gap: 8px; padding: 10px 12px; border-radius: 12px; font-size: 13px; line-height: 1.45; }
.ag-pide-fin.si { background: var(--brain-suave); color: var(--brain-tinta); }
.ag-pide-fin.no { background: #fff0ee; color: #b4372b; }
.ag-pide.resuelta .ag-pide-botones { display: none; }
.ag-pide.resuelta .ag-pide-punto { animation: none; background: #a8ab16; box-shadow: none; }
.ag-pide.resuelta.rechazada .ag-pide-punto { background: #e0483a; }

@media (max-width: 860px) {
  .ag-pide { position: relative; right: auto; bottom: auto; width: auto; margin: 12px 0 0; }
  .ag-datos { grid-template-columns: minmax(0, 1fr); padding-right: 0; }
  .ag-nota { display: none; }
}
@media (max-width: 640px) {
  .ag-escena { padding: 0 8px 8px; border-radius: 22px; }
  .ag-barra { gap: 8px; padding: 12px 4px; }
  .ag-nombre { min-width: 0; font-size: 13.5px; }
  .ag-nombre { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; display: block; }
  .ag-nombre svg { display: none; }
  .ag-estado { flex: none; }
  .ag-pista { width: 50px; height: 28px; }
  .ag-bola { width: 22px; height: 22px; left: 25px; }
  .ag-switch-txt { display: none; }
  .ag-captura { border-radius: 14px; }
  .ag-velo { padding: 12px 14px; gap: 10px; }
  .ag-velo span { font-size: 12.5px; }
}

/* ---------- 9 · Modelos: el catálogo y el respaldo ---------- */
.md-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 24px; margin-top: 48px; align-items: center; }
.md-catalogo { position: relative; margin: 0; display: grid; grid-template-columns: minmax(0, 260px) minmax(0, 1fr); align-items: stretch; }
.md-catalogo img { display: block; width: 100%; height: auto; border-radius: 22px; box-shadow: var(--sh-lg); }
.md-grupos { position: relative; list-style: none; margin: 0; padding: 0; }
.md-grupos li {
  position: absolute; left: 18px; right: 0; top: var(--de); height: calc(var(--a) - var(--de));
  display: grid; align-content: center; gap: 2px; padding-left: 16px; border-left: 2px solid var(--text);
}
.md-grupos li::before { content: ""; position: absolute; left: -10px; top: 50%; width: 8px; height: 2px; background: var(--text); }
.md-grupos b { font-family: var(--font-display); font-weight: 500; font-size: 18px; letter-spacing: -0.0075em; line-height: 1.15; }
.md-grupos span { font-family: var(--font-mono); font-size: 11.5px; color: var(--text-mute); }
.md-grupos li:last-child { border-left-color: #a8ab16; }
.md-grupos li:last-child::before { background: #a8ab16; }
.md-video { padding-bottom: 0; }
.md-video figcaption { top: 22px; }
.md-video video { aspect-ratio: 1280 / 634; }
/* El orden de respaldo (datos reales de la consola), a la par del clip. */
.md-orden { padding: 16px 8px 8px; }
.md-orden-txt { margin: 0 0 14px; font-size: 14px; line-height: 1.5; color: var(--grafito-texto); }
.md-orden-txt b { color: #fff; font-weight: 500; }
.md-orden-txt code { font-family: var(--font-mono); font-size: 12.5px; color: var(--brain); }
.md-cadena { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: minmax(0, 1fr) 48px minmax(0, 1fr); align-items: center; }
.md-cadena li[data-md] {
  display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: 16px;
  background: rgba(255,255,255,0.04); border: 1px solid var(--grafito-borde);
  transition: border-color .35s, background-color .35s, box-shadow .35s;
}
.md-n { display: grid; place-items: center; flex: none; width: 28px; height: 28px; border-radius: 50%; border: 1px solid var(--grafito-borde); font-family: var(--font-mono); font-size: 12.5px; color: var(--grafito-texto); transition: background-color .35s, color .35s, border-color .35s; }
.md-m { display: grid; gap: 2px; min-width: 0; font-family: var(--font-mono); font-size: 14px; color: #fff; }
.md-m small { font-family: var(--font-body); font-size: 12px; color: var(--grafito-texto); transition: color .35s; }
.md-flecha { display: grid; place-items: center; color: rgba(255,255,255,0.25); transition: color .35s; }
.md-flecha svg { width: 36px; height: 12px; }
.md-cadena li.probando { border-color: rgba(204,232,37,0.45); }
.md-cadena li.probando .md-n { border-color: var(--brain); color: var(--brain); }
.md-cadena li.falla { border-color: rgba(255,122,107,0.5); background: rgba(255,122,107,0.07); }
.md-cadena li.falla .md-n { background: var(--brain-rojo); border-color: var(--brain-rojo); color: #14161d; }
.md-cadena li.falla small { color: var(--brain-rojo); }
.md-cadena.sigue .md-flecha { color: var(--brain); }
.md-cadena li.responde { border-color: rgba(204,232,37,0.6); background: rgba(204,232,37,0.1); box-shadow: 0 0 0 4px rgba(204,232,37,0.08); }
.md-cadena li.responde .md-n { background: var(--brain); border-color: var(--brain); color: #14161d; }
.md-cadena li.responde small { color: var(--brain); }

@media (max-width: 960px) {
  .md-grid { grid-template-columns: minmax(0, 1fr); }
  .md-catalogo { max-width: 520px; }
}
@media (max-width: 640px) {
  .md-catalogo { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .md-grupos li { left: 12px; padding-left: 10px; }
  .md-grupos b { font-size: 15px; }
  .md-grupos span { font-size: 10.5px; }
  .md-cadena { grid-template-columns: minmax(0, 1fr); gap: 6px; }
  .md-flecha { rotate: 90deg; height: 22px; }
  .md-m { font-size: 13px; overflow-wrap: anywhere; }
}

/* ---------- 10 · Para quién: las vistas por papel ---------- */
.rl { margin-top: 48px; display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 20px; align-items: start; }
.rl-tabs { display: grid; gap: 8px; }
.rl-tab {
  position: relative; overflow: hidden; display: flex; align-items: flex-start; gap: 12px; width: 100%; padding: 16px 16px 18px;
  border-radius: 18px; border: 1px solid transparent; background: transparent; text-align: left; font: inherit; color: var(--text-mute); cursor: pointer;
  transition: background-color .3s, border-color .3s, box-shadow .3s, color .3s;
}
.rl-tab:hover { background: rgba(255,255,255,0.6); }
.rl-tab svg { flex: none; width: 18px; height: 18px; margin-top: 2px; }
.rl-tab span { display: grid; gap: 3px; }
.rl-tab b { font-size: 15.5px; font-weight: 600; color: var(--text); }
.rl-tab small { font-size: 13.5px; line-height: 1.45; }
.rl-tab.activa { background: var(--surface); border-color: var(--border); box-shadow: var(--sh-md); color: var(--text-mute); }
.rl-tab.activa svg { color: #7d8a12; }
.rl-tab:focus-visible { outline: 2px solid #a8ab16; outline-offset: 2px; }
.rl-barra { position: absolute; left: 16px; right: 16px; bottom: 0; height: 2px; border-radius: 2px; background: var(--brain); transform: scaleX(0); transform-origin: left; }
.rl-tab.activa .rl-barra { animation: cb-barra var(--rl-t, 5000ms) linear forwards; }
.rl.parado .rl-tab.activa .rl-barra { animation: none; transform: scaleX(0); }
.rl-marco { padding: 10px; border-radius: 26px; background: var(--grafito); box-shadow: var(--sh-2xl); }
.rl-panel { margin: 0; animation: rl-entra .5s cubic-bezier(0.16,1,0.3,1); }
.rl-panel img { display: block; width: 100%; height: auto; border-radius: 18px; background: #f4f4f5; }
.rl-img { position: relative; }
/* La zona que le importa a ese papel, marcada en lima (aparece al entrar). */
.rl-foco { position: absolute; left: var(--x); top: var(--y); width: var(--w); height: var(--h); border-radius: 12px;
  box-shadow: 0 0 0 2px var(--brain), 0 0 0 7px rgba(204,232,37,0.22); pointer-events: none;
  animation: rl-foco .6s .35s cubic-bezier(0.16,1,0.3,1) both; }
@keyframes rl-foco { from { opacity: 0; scale: 1.03; } }
.rl-pie { min-height: 52px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; padding: 14px 8px 6px; font-size: 13.5px; color: var(--grafito-claro); }
.rl-rol { padding: 4px 10px; border-radius: 999px; background: var(--brain); color: #14161d; font-family: var(--font-mono); font-size: 11.5px; font-weight: 600; }
.rl-si, .rl-no { display: inline-flex; align-items: center; gap: 6px; }
.rl-si svg, .rl-no svg { width: 15px; height: 15px; flex: none; }
.rl-si svg { color: var(--brain); }
.rl-no { color: var(--grafito-texto); }
@keyframes rl-entra { from { opacity: 0; translate: 0 8px; } }

@media (max-width: 960px) {
  .rl { grid-template-columns: minmax(0, 1fr); }
  .rl-tabs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .rl-tab small { display: none; }
}
@media (max-width: 640px) {
  .rl-tab { padding: 12px; gap: 8px; }
  .rl-tab b { font-size: 13.5px; }
  .rl-marco { padding: 6px; border-radius: 20px; }
  .rl-panel img { border-radius: 14px; }
}
@media (prefers-reduced-motion: reduce) { .rl-panel, .rl-foco { animation: none; } .rl-tab.activa .rl-barra { animation: none; } }

/* ---------- 11 · Para tu equipo técnico ---------- */
.tc-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 20px; margin-top: 48px; align-items: stretch; }
.tc-codigo { display: flex; flex-direction: column; overflow: hidden; border-radius: 24px; background: var(--grafito); box-shadow: var(--sh-2xl); }
.tc-barra { display: flex; align-items: center; gap: 14px; padding: 12px 14px; border-bottom: 1px solid var(--grafito-borde); }
.tc-puntos { display: flex; gap: 6px; }
.tc-puntos i { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.14); }
.tc-tabs { display: flex; gap: 4px; padding: 3px; border-radius: 10px; background: rgba(255,255,255,0.05); }
.tc-tabs button { padding: 5px 12px; border: 0; border-radius: 8px; background: transparent; color: var(--grafito-texto); font: inherit; font-family: var(--font-mono); font-size: 12.5px; cursor: pointer; }
.tc-tabs button[aria-selected="true"] { background: rgba(255,255,255,0.1); color: #fff; }
.tc-tabs button:focus-visible, .tc-copiar:focus-visible { outline: 2px solid var(--brain); outline-offset: 2px; }
.tc-archivo { margin-left: auto; font-family: var(--font-mono); font-size: 12px; color: var(--grafito-texto); }
.tc-copiar { display: grid; place-items: center; width: 32px; height: 32px; border: 0; border-radius: 8px; background: transparent; color: var(--grafito-texto); cursor: pointer; }
.tc-copiar:hover { background: rgba(255,255,255,0.08); color: #fff; }
.tc-copiar svg { width: 16px; height: 16px; }
.tc-copiar.hecho { color: var(--brain); }
.tc-pre { flex: 1; margin: 0; padding: 20px 22px 24px; overflow-x: auto; font-family: var(--font-mono); font-size: 13.5px; line-height: 1.75; color: var(--grafito-claro); }
.tc-pre code { display: block; min-width: fit-content; }
.tc-pre .k { color: #c7a8ff; }
.tc-pre .t, .tc-resp .t { color: #9fd8ff; }
.tc-pre .c, .tc-resp .c { color: #6f7686; }
.tc-pre .menos, .tc-pre .mas { display: inline-block; min-width: calc(100% + 44px); box-sizing: border-box; margin: 0 -22px; padding: 0 22px; }
.tc-pre .menos { background: rgba(255,122,107,0.1); color: #ff9d92; text-decoration: line-through; text-decoration-color: rgba(255,157,146,0.45); }
.tc-pre .mas { background: rgba(204,232,37,0.1); color: var(--brain); }
.tc-pre .menos .t { color: inherit; } .tc-pre .mas .t { color: inherit; }

.tc-salida {
  display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; margin: 0 14px 14px; padding: 12px 14px; border-radius: 14px;
  background: rgba(255,255,255,0.04); border: 1px solid var(--grafito-borde);
  font-family: var(--font-mono); font-size: 12.5px; color: var(--grafito-claro);
  opacity: 0; translate: 0 6px; transition: opacity .4s, translate .5s cubic-bezier(0.16,1,0.3,1);
}
.tc-salida.ver { opacity: 1; translate: 0 0; }
.tc-ok { padding: 2px 8px; border-radius: 6px; background: var(--brain); color: #14161d; font-weight: 600; }
.tc-sep { color: #4d5361; }
/* Tecleo: las líneas nuevas se escriben al verse (nxbrain.js). */
.tc-pre .mas .tc-letras { visibility: hidden; }
.tc-cursor::after { content: ""; display: inline-block; width: 7px; height: 1.1em; margin-left: 1px; vertical-align: -2px; background: var(--brain); animation: tc-cur .8s steps(1) infinite; }
@keyframes tc-cur { 50% { opacity: 0; } }
.tc-pre .menos { transition: opacity .3s; }
.tc-codigo.antes .tc-pre .menos { text-decoration-color: transparent; }
.tc-codigo.antes .tc-pre .mas { opacity: 0; }
/* Las notas señalan su clave en el JSON. */
.tc-dato, .tc-notas li { transition: background-color .2s, color .2s; }
.tc-resp[data-foco="1"] .tc-dato[data-n="1"], .tc-resp[data-foco="2"] .tc-dato[data-n="2"], .tc-resp[data-foco="3"] .tc-dato[data-n="3"] { background: rgba(204,232,37,0.35); border-radius: 4px; }
.tc-notas li { cursor: default; padding: 2px 6px; margin: 0 -6px; border-radius: 8px; }
.tc-notas li:hover { background: var(--surface-2); color: var(--text); }
.tc-resp { margin: 0; padding: 20px 22px; border-radius: 24px; background: var(--surface); border: 1px solid var(--border); box-shadow: var(--sh-lg); display: flex; flex-direction: column; }
.tc-resp figcaption { font-size: 14px; font-weight: 500; }
.tc-resp pre { margin: 12px 0 0; padding: 16px; border-radius: 14px; background: var(--surface-2); overflow-x: auto; font-family: var(--font-mono); font-size: 12.5px; line-height: 1.75; color: var(--text); }
.tc-resp .t { color: #2d6fb3; } .tc-resp .n { color: #a15c07; }
.tc-nx { padding: 1px 5px; border-radius: 5px; background: var(--brain); color: #14161d; }
.tc-dato { position: relative; }
.tc-dato::after { content: attr(data-n); position: absolute; left: -22px; top: 1px; display: grid; place-items: center; width: 16px; height: 16px; border-radius: 50%; background: #14161d; color: var(--brain); font-size: 10px; font-weight: 700; }
.tc-notas { list-style: none; margin: auto 0 0; padding: 14px 0 0; display: grid; gap: 8px; }
.tc-notas li { display: flex; align-items: baseline; gap: 10px; font-size: 13.5px; color: var(--text-mute); }
.tc-notas b { flex: none; display: grid; place-items: center; width: 18px; height: 18px; border-radius: 50%; background: #14161d; color: var(--brain); font-size: 10.5px; }

.tc-datos { grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 28px; }
.tc-despliegue { list-style: none; margin: 20px 0 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.tc-despliegue li { display: flex; align-items: flex-start; gap: 14px; padding: 20px 22px; border-radius: 20px; background: var(--surface); border: 1px solid var(--border); }
.tc-despliegue span:last-child { display: grid; gap: 4px; font-size: 14.5px; line-height: 1.5; color: var(--text-mute); }
.tc-despliegue b { font-family: var(--font-display); font-weight: 500; font-size: 19px; color: var(--text); }
.tc-d-icono { display: grid; place-items: center; flex: none; width: 40px; height: 40px; border-radius: 12px; background: var(--brain-suave); color: var(--brain-tinta); }
.tc-d-icono svg { width: 19px; height: 19px; }

@media (max-width: 960px) {
  .tc-grid, .tc-despliegue { grid-template-columns: minmax(0, 1fr); }
  .tc-datos { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .tc-pre { font-size: 12px; padding: 16px 16px 20px; }
  .tc-pre .menos, .tc-pre .mas { margin: 0 -16px; padding: 0 16px; min-width: calc(100% + 32px); }
  .tc-puntos, .tc-archivo { display: none; }
}

/* ---------- 3 · Cómo funciona: la puerta ---------- */
.puerta-brain {
  position: relative; isolation: isolate; overflow: hidden;
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 340px) minmax(0, 1fr);
  align-items: center; gap: 0 72px;
  margin: 64px 0 0; padding: 56px 56px 0;
  border-radius: 32px; background: var(--grafito); color: var(--grafito-claro);
  box-shadow: var(--sh-2xl);
}
/* La retícula de puntos y la luz lima detrás de NX Brain (degradado, sin blur). */
.puerta-brain::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image: radial-gradient(rgba(255,255,255,0.09) 1px, transparent 1.2px);
  background-size: 22px 22px;
  -webkit-mask-image: radial-gradient(ellipse 70% 80% at 50% 45%, #000 30%, transparent 100%);
          mask-image: radial-gradient(ellipse 70% 80% at 50% 45%, #000 30%, transparent 100%);
}
.puerta-brain::after {
  content: ""; position: absolute; z-index: -1; pointer-events: none;
  left: 50%; top: 42%; width: 760px; height: 520px; translate: -50% -50%;
  background: radial-gradient(closest-side, rgba(204,232,37,0.16), rgba(204,232,37,0.05) 55%, transparent);
}

.pb-cables { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; overflow: visible; }
.pb-cable { fill: none; stroke: rgba(255,255,255,0.12); stroke-width: 1.25; }
.pb-pulso { fill: none; stroke: var(--brain); stroke-width: 2.25; stroke-linecap: round; opacity: 0; }
.pb-pulso-halo { fill: none; stroke: var(--brain); stroke-width: 7; stroke-linecap: round; opacity: 0; }
.pb-pulso.rojo, .pb-pulso-halo.rojo { stroke: var(--brain-rojo); }

.pb-lado { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; position: relative; z-index: 1; }
.pb-apps { justify-items: start; }
.pb-modelos { justify-items: end; }
.pb-nodo {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 10px 16px 10px 12px; border-radius: 14px;
  background: rgba(255,255,255,0.045); border: 1px solid var(--grafito-borde);
  font-size: 14.5px; font-weight: 500; color: var(--grafito-claro); white-space: nowrap;
  transition: border-color .35s, background-color .35s, box-shadow .35s;
}
.pb-nodo svg { width: 17px; height: 17px; color: var(--grafito-texto); transition: color .35s; }
.pb-modelos .pb-nodo { padding: 10px 14px; }
.pb-punto { width: 7px; height: 7px; border-radius: 50%; background: rgba(255,255,255,0.28); transition: background-color .35s, box-shadow .35s; }
.pb-nodo.encendido { border-color: rgba(204,232,37,0.55); background: rgba(204,232,37,0.08); box-shadow: 0 0 0 4px rgba(204,232,37,0.07); }
.pb-nodo.encendido svg { color: var(--brain); }
.pb-nodo.encendido .pb-punto { background: var(--brain); box-shadow: 0 0 0 4px rgba(204,232,37,0.18); }
.pb-nodo.caido { border-color: rgba(255,122,107,0.5); }
.pb-nodo.caido .pb-punto { background: var(--brain-rojo); box-shadow: 0 0 0 4px rgba(255,122,107,0.18); }

/* NX Brain, en medio: la ficha que comprueba cada petición. */
.pb-centro {
  position: relative; z-index: 1;
  padding: 18px 18px 16px; border-radius: 22px;
  background: linear-gradient(180deg, #1d2029, #171920);
  border: 1px solid rgba(204,232,37,0.28);
  box-shadow: 0 0 0 6px rgba(204,232,37,0.04), 0 30px 60px -20px rgba(0,0,0,0.7), inset 0 1px 0 rgba(255,255,255,0.06);
}
.pb-centro-cab { display: flex; align-items: center; gap: 10px; padding-bottom: 14px; border-bottom: 1px solid var(--grafito-borde); }
.pb-centro-cab img { display: block; }
.pb-centro-cab > span { font-family: var(--font-display); font-weight: 500; font-size: 16px; letter-spacing: -0.005em; color: #fff; }
.pb-de { margin-left: auto; font-style: normal; font-family: var(--font-mono); font-size: 11.5px; color: var(--grafito-texto); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 55%; }
.pb-pasos { list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 2px; }
.pb-pasos li {
  display: flex; align-items: center; gap: 10px; padding: 7px 8px; border-radius: 10px;
  font-size: 14px; color: var(--grafito-texto); transition: color .25s, background-color .25s;
}
.pb-marca {
  flex: none; width: 18px; height: 18px; border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,0.18); display: grid; place-items: center;
  transition: border-color .25s, background-color .25s;
}
.pb-marca::after { content: ""; width: 8px; height: 4.5px; border: solid #14161d; border-width: 0 0 1.75px 1.75px; rotate: -45deg; translate: 0 -1px; opacity: 0; transition: opacity .2s; }
.pb-pasos li.mirando { background: rgba(255,255,255,0.04); color: #fff; }
.pb-pasos li.mirando .pb-marca { border-color: var(--brain); border-right-color: transparent; animation: pb-gira .6s linear infinite; }
.pb-pasos li.ok { color: #fff; }
.pb-pasos li.ok .pb-marca { border-color: var(--brain); background: var(--brain); }
.pb-pasos li.ok .pb-marca::after { opacity: 1; }
.pb-pasos li.tapado .pb-marca { border-color: var(--brain); background: var(--brain); }
.pb-pasos li.tapado .pb-marca::after { opacity: 1; }
.pb-pasos li.no { color: #fff; }
.pb-pasos li.no .pb-marca { border-color: var(--brain-rojo); background: var(--brain-rojo); }
.pb-pasos li.no .pb-marca::after { opacity: 1; width: 8px; height: 0; border-width: 0 0 1.75px 0; rotate: 0deg; translate: 0 0; }
.pb-pasos .pb-nota { margin-left: auto; font-family: var(--font-mono); font-size: 11px; padding: 2px 7px; border-radius: 6px; background: rgba(204,232,37,0.14); color: var(--brain); }
.pb-pasos li.no .pb-nota { background: rgba(255,122,107,0.14); color: var(--brain-rojo); }
@keyframes pb-gira { to { rotate: 360deg; } }

.pb-resultado {
  margin: 12px 0 0; padding: 10px 12px; border-radius: 12px; min-height: 40px;
  background: rgba(255,255,255,0.035); font-size: 13px; line-height: 1.4; color: var(--grafito-texto);
  transition: background-color .3s, color .3s;
}
.pb-resultado.bien { background: rgba(204,232,37,0.1); color: var(--brain); }
.pb-resultado.mal { background: rgba(255,122,107,0.1); color: var(--brain-rojo); }

/* Las cifras, abajo de la placa. */
.pb-cifras {
  position: relative; z-index: 1; grid-column: 1 / -1;
  display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 0;
  margin: 56px -56px 0; border-top: 1px solid var(--grafito-borde);
}
.pb-cifra { display: grid; gap: 6px; align-content: start; padding: 22px 28px 26px; }
.pb-cifra + .pb-cifra { border-left: 1px solid var(--grafito-borde); }
.pb-cifra:first-child { padding-left: 56px; }
.pb-cifra-et { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--grafito-texto); }
.pb-cifra-val { font-size: 15px; color: var(--grafito-texto); font-variant-numeric: tabular-nums; }
.pb-cifra-val b { font-family: var(--font-display); font-weight: 500; font-size: 30px; letter-spacing: -0.015em; color: #fff; }
.pb-cifra-val small { font-size: 14px; }
.pb-barra { display: block; height: 5px; margin-top: 6px; border-radius: 999px; background: rgba(255,255,255,0.08); overflow: hidden; }
.pb-barra span { display: block; height: 100%; border-radius: inherit; background: var(--brain); transition: width .6s cubic-bezier(0.16,1,0.3,1); }
.pb-ejemplo { position: absolute; right: 24px; top: 20px; z-index: 2; font-family: var(--font-mono); font-size: 11px; color: rgba(164,170,184,0.6); }

/* Los cuatro pasos, como base de la placa: un riel de cuatro columnas. Cada
   una tiene arriba su línea, que se llena de lima mientras se comprueba
   (como las barras de las stories); el paso activo pasa a blanco. */
.cf-pasos {
  position: relative; z-index: 1; grid-column: 1 / -1;
  list-style: none; margin: 56px -56px 0; padding: 0;
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--grafito-borde); background: rgba(255,255,255,0.015);
}
.cf-pasos li { position: relative; display: grid; gap: 8px; align-content: start; padding: 26px 28px 30px; }
.cf-pasos li + li { border-left: 1px solid var(--grafito-borde); }
.cf-pasos li:first-child { padding-left: 56px; }
.cf-pasos li:last-child { padding-right: 56px; }
.cf-pasos li::before {
  content: ""; position: absolute; left: 0; top: -1px; height: 2px; width: 0; background: var(--brain);
  box-shadow: 0 0 12px rgba(204,232,37,0.5); transition: width 0s;
}
.cf-pasos li.mirando::before { width: 100%; transition: width 700ms linear; }
.cf-pasos li.ok::before, .cf-pasos li.tapado::before { width: 100%; box-shadow: none; }
.cf-pasos li.no::before { width: 100%; background: var(--brain-rojo); box-shadow: 0 0 12px rgba(255,122,107,0.5); }
.cf-num { font-family: var(--font-mono); font-size: 12px; color: rgba(164,170,184,0.6); transition: color .3s; }
.cf-pasos b { font-family: var(--font-display); font-weight: 500; font-size: 18px; letter-spacing: -0.0075em; color: var(--grafito-texto); transition: color .3s; }
.cf-pasos li > span:last-child { font-size: 14px; line-height: 1.55; color: rgba(164,170,184,0.75); transition: color .3s; }
.cf-pasos li.mirando .cf-num, .cf-pasos li.ok .cf-num, .cf-pasos li.tapado .cf-num { color: var(--brain); }
.cf-pasos li.mirando b, .cf-pasos li.ok b, .cf-pasos li.tapado b { color: #fff; }
.cf-pasos li.mirando > span:last-child { color: var(--grafito-claro); }
.cf-pasos li.no .cf-num { color: var(--brain-rojo); }
.cf-pasos li.no b { color: #fff; }
.cf-despues { margin: 20px 0 0; text-align: center; font-size: 15px; line-height: 1.6; color: var(--text-mute); }
.cf-despues-et { display: inline-block; margin-right: 10px; padding: 3px 9px; border-radius: 999px; background: var(--brain-suave); color: var(--brain-tinta); font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .06em; text-transform: uppercase; }

@media (max-width: 1080px) {
  .cf-pasos { margin: 44px -36px 0; }
  .cf-pasos li { padding: 22px 20px 26px; }
  .cf-pasos li:first-child { padding-left: 36px; }
  .cf-pasos li:last-child { padding-right: 36px; }
  .puerta-brain { gap: 0 40px; padding: 44px 36px 0; grid-template-columns: minmax(0, 1fr) minmax(0, 300px) minmax(0, 1fr); }
  .pb-cifras { margin: 44px -36px 0; }
  .pb-cifra:first-child { padding-left: 36px; }
}

/* En el móvil y la tableta: las aplicaciones arriba, NX Brain en medio y los
   modelos abajo; los cables bajan en vertical (los calcula nxbrain.js). */
@media (max-width: 860px) {
  .cf-pasos { grid-template-columns: minmax(0, 1fr); margin: 4px -16px 0; }
  .cf-pasos li, .cf-pasos li:first-child, .cf-pasos li:last-child { grid-template-columns: 26px minmax(0, 1fr); column-gap: 10px; row-gap: 2px; padding: 16px 18px 18px; }
  .cf-pasos li + li { border-left: 0; border-top: 1px solid var(--grafito-borde); }
  .cf-pasos li + li::before { top: -1px; }
  .cf-num { grid-row: span 2; padding-top: 3px; }
  .pb-ejemplo { right: 16px; top: 13px; }
  .brain-cabeza-doble { grid-template-columns: minmax(0, 1fr); }
  .brain-cabeza-doble > p:last-child { margin-top: 20px; }

  .brain-video { margin-top: 44px; padding: 6px; border-radius: 22px; }
  .brain-video video { border-radius: 17px; }
  .bv-play { inset: 6px; border-radius: 17px; padding: 12px; }
  .bv-play-icono { width: 44px; height: 44px; box-shadow: 0 0 0 5px rgba(204,232,37,0.16); }
  .bv-play-icono svg { width: 18px; height: 18px; }
  .bv-play-texto { margin-left: 10px; font-size: 14px; }
  .brain-seccion { padding-top: 88px; }
  .brain-bloque { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .brain-bloque-alreves > :first-child { order: 0; }
  .brain-bloque .boceto { min-height: 220px; }
  .brain-comparar, .brain-despliegue { grid-template-columns: minmax(0, 1fr); }
  .brain-roles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  #lista { padding-bottom: 88px; }
  .puerta-brain { grid-template-columns: minmax(0, 1fr); gap: 40px 0; padding: 42px 16px 0; margin-top: 44px; border-radius: 26px; }
  .pb-lado { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; justify-items: stretch; }
  .pb-nodo { justify-content: center; font-size: 13.5px; padding: 9px 10px; white-space: normal; text-align: center; }
  .pb-modelos .pb-nodo { padding: 9px 10px; }
  .pb-centro { width: 100%; max-width: 360px; justify-self: center; }
  .pb-cifras { grid-template-columns: 1fr 1fr; margin: 4px -16px 0; }
  .pb-cifra { padding: 18px 16px 20px; }
  .pb-cifra:first-child { grid-column: 1 / -1; padding-left: 16px; border-bottom: 1px solid var(--grafito-borde); }
  .pb-cifra:nth-child(2) { border-left: 0; }
  .pb-cifra-val b { font-size: 26px; }
}

@media (prefers-reduced-motion: reduce) {
  .pb-pasos li.mirando .pb-marca, .brain-sello-punto::after { animation: none; }
}

/* La lista de espera: el cierre de la web, con la luz en lima. */
#lista .cierre::before { background: radial-gradient(closest-side, rgba(204,232,37,0.2), transparent); }
#lista .cierre-luz { background: radial-gradient(420px circle at var(--lx, 50%) var(--ly, 50%), rgba(204,232,37,0.1), transparent 60%); }
.ag-pide-fin[hidden] { display: none; }

/* Lo que en la web va en azul con valor fijo, aquí en lima (lista de espera). */
body.nxbrain .tema[aria-pressed="true"] { background: var(--brain-suave); border-color: rgba(168,171,22,0.55); color: var(--brain-tinta); }
body.nxbrain .input:focus, body.nxbrain .textarea:focus { border-color: #a8ab16; box-shadow: 0 0 0 4px rgba(204,232,37,0.25); }
body.nxbrain .cierre-num { color: var(--brain); }
body.nxbrain ::selection { background: rgba(204,232,37,0.45); }