/* niuvix.com · portada: una sola composición sobre un lienzo 3D fijo. La página es un «canal»: cada parte es un
   programa de la guía lateral. Tipografía sobria (Manrope + Inter) y efectos medidos para que se lea todo. */

@font-face { font-family: "Manrope"; src: url(fuentes/manrope-600.woff2) format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Manrope"; src: url(fuentes/manrope-700.woff2) format("woff2"); font-weight: 700; font-display: swap; }
@font-face { font-family: "Manrope"; src: url(fuentes/manrope-800.woff2) format("woff2"); font-weight: 800; font-display: swap; }
@font-face { font-family: "Inter"; src: url(fuentes/inter-400.woff2) format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Inter"; src: url(fuentes/inter-500.woff2) format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Inter"; src: url(fuentes/inter-600.woff2) format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url(fuentes/jetbrains-mono-500.woff2) format("woff2"); font-weight: 500; font-display: swap; }

:root {
  --fondo: #05060b; --texto: #eef1f8; --suave: #a3acc0; --linea: rgba(255, 255, 255, .1);
  --cian: #18d4ff; --azul: #3d7bff; --violeta: #b14bff; --magenta: #ff3d9a; --naranja: #ff8a1f;
  --degradado: linear-gradient(100deg, var(--cian) 0%, var(--azul) 35%, var(--violeta) 70%, var(--magenta) 100%);
  --titulos: "Manrope", "Segoe UI", system-ui, sans-serif;
  --cuerpo: "Inter", "Segoe UI", system-ui, sans-serif;
  --mono: "JetBrains Mono", Consolas, monospace;
  --margen: clamp(20px, 5vw, 72px);
  --guia: 230px;
  --panel: rgba(10, 13, 22, .72);
}
* { box-sizing: border-box; }
html { background: var(--fondo); }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
body { margin: 0; color: var(--texto); font: 400 17px/1.65 var(--cuerpo); background: transparent; overflow-x: hidden; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
::selection { background: var(--azul); color: #fff; }

#escena { position: fixed; inset: 0; width: 100vw; height: 100vh; z-index: 0; display: block; }

/* Barra superior */
.barra { position: fixed; z-index: 20; top: 0; left: 0; right: 0; display: flex; align-items: center; justify-content: space-between; padding: 16px var(--margen);
  background: rgba(5, 6, 11, .8); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid var(--linea); }
.marca { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.marca img { width: 32px; height: 32px; }
.marca .rotulo { width: auto; height: 19px; }
.directo { font: 500 12px/1 var(--mono); letter-spacing: .12em; color: var(--suave); display: flex; align-items: center; gap: 10px; }
.directo #reloj { color: var(--texto); }
.punto { width: 8px; height: 8px; border-radius: 50%; background: #ff3b3b; }
.ir { font: 700 14px/1 var(--titulos); text-decoration: none; padding: 12px 18px; border: 1px solid rgba(255, 255, 255, .25); border-radius: 4px; transition: background .3s, border-color .3s; }
.ir:hover { background: rgba(255, 255, 255, .08); border-color: rgba(255, 255, 255, .5); }

/* Guía de programación lateral */
.guia { position: fixed; z-index: 15; right: var(--margen); top: 50%; transform: translateY(-50%); width: 212px; padding: 18px 18px 12px; border: 1px solid var(--linea); border-radius: 6px;
  background: rgba(8, 10, 18, .7); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); }
.guia-titulo { font: 500 11px/1 var(--mono); letter-spacing: .18em; text-transform: uppercase; color: var(--suave); margin: 0 0 12px; }
.guia ol { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--linea); }
.guia a { position: relative; display: grid; grid-template-columns: 44px 1fr; gap: 0 8px; padding: 8px 0 8px 14px; text-decoration: none; color: rgba(238, 241, 248, .5); transition: color .3s; }
.guia .hora { font: 500 11px/1.6 var(--mono); }
.guia .prog { font: 600 13px/1.5 var(--cuerpo); }
.guia i { position: absolute; left: -1px; top: 0; bottom: 0; width: 2px; background: var(--degradado); transform: scaleY(var(--avance, 0)); transform-origin: top; }
.guia a.activo, .guia a:hover { color: var(--texto); }

/* Capítulos */
main { position: relative; z-index: 2; }
.capitulo { position: relative; padding: 0 calc(var(--guia) + var(--margen) * 1.4) 0 var(--margen); }
.codigo { font: 700 12px/1 var(--titulos); letter-spacing: .16em; color: var(--suave); margin: 0 0 20px; display: flex; align-items: center; gap: 12px; text-transform: uppercase; }
.codigo::before { content: ""; width: 28px; height: 2px; background: var(--degradado); }
h1, h2, h3 { font-family: var(--titulos); font-weight: 800; letter-spacing: -.025em; margin: 0; }
h2 { font-size: clamp(30px, 3.6vw, 54px); line-height: 1.08; margin-bottom: 20px; }
.degradado { background: var(--degradado); -webkit-background-clip: text; background-clip: text; color: transparent; }
.tenue { color: rgba(238, 241, 248, .45); }
.bajada { color: var(--suave); font-size: clamp(17px, 1.3vw, 19px); max-width: 600px; margin: 0; }
.nota { color: rgba(163, 172, 192, .8); font-size: 13px; max-width: 680px; margin-top: 26px; }
.nota a { color: var(--cian); }

/* 01 · Apertura */
.apertura { min-height: 100vh; display: flex; flex-direction: column; justify-content: center; padding-top: 100px; padding-bottom: 70px; }
.apertura-texto { max-width: 620px; }
.titular { font-size: clamp(40px, 5.4vw, 80px); line-height: 1.02; margin-bottom: 24px; }
.titular .linea { display: block; }
.acciones { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
.boton { display: inline-flex; align-items: center; padding: 15px 24px; font: 700 15px/1 var(--titulos); text-decoration: none; border: 1px solid rgba(255, 255, 255, .25); border-radius: 4px; transition: background .3s, border-color .3s; }
.boton:hover { background: rgba(255, 255, 255, .08); border-color: rgba(255, 255, 255, .5); }
.boton.principal { border-color: transparent; background: var(--degradado); color: #fff; }
.boton.principal:hover { filter: brightness(1.1); }
.desliza { position: absolute; left: var(--margen); bottom: 30px; margin: 0; font: 600 12px/1 var(--titulos); letter-spacing: .14em; text-transform: uppercase; color: var(--suave); }

/* 02 · La señal */
.senal { min-height: 90vh; display: flex; flex-direction: column; justify-content: center; padding-top: 10vh; padding-bottom: 10vh; }
.manifiesto { font: 700 clamp(24px, 2.7vw, 40px)/1.3 var(--titulos); letter-spacing: -.015em; max-width: 900px; margin: 0; }

/* 03 · Cómo funciona */
.pasos { padding-top: 12vh; padding-bottom: 12vh; }
.pasos-rejilla { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 12px; }
.paso { position: relative; padding: 30px 28px 32px; border: 1px solid var(--linea); border-radius: 6px; background: var(--panel); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.paso-num { display: block; font: 800 15px/1 var(--titulos); letter-spacing: .1em; margin-bottom: 26px; background: var(--degradado); -webkit-background-clip: text; background-clip: text; color: transparent; }
.paso-ico { width: 40px; height: 40px; fill: none; stroke: var(--cian); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; position: absolute; top: 24px; right: 26px; }
.paso h3 { font-size: 20px; line-height: 1.25; margin-bottom: 10px; }
.paso p { margin: 0; color: var(--suave); font-size: 16px; }

/* 04 · La app */
.app-bloque { min-height: 100vh; display: flex; flex-direction: column; justify-content: center; max-width: 500px; }
.app-bloque > p { color: var(--suave); font-size: 18px; margin: 0; }
.captura-estatica { display: none; margin: 28px 0 0; }
.captura-estatica img { display: block; width: 100%; height: auto; border-radius: 8px; border: 6px solid #05070c; box-shadow: 0 0 0 1px #2a3350, 0 20px 60px rgba(0, 0, 0, .6); }
.movil-estatica { max-width: 240px; }
.movil-estatica img { border-radius: 22px; }
.sin-3d .captura-estatica { display: block; }
.app-tira { max-width: none; min-height: 80vh; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-content: center; }
.app-tira figure { margin: 0; }
.app-tira img { display: block; width: 100%; height: auto; border-radius: 6px; border: 5px solid #05070c; box-shadow: 0 0 0 1px #2a3350, 0 20px 50px rgba(0, 0, 0, .55); }
.app-tira figcaption { margin-top: 14px; color: var(--suave); font-size: 15px; }
.app-tira figcaption b { display: block; color: var(--texto); font: 700 17px/1.3 var(--titulos); margin-bottom: 4px; }
.app-tira .nota { grid-column: 1 / -1; margin-top: 4px; }

/* 05 · Plataformas */
.plataformas { min-height: 100vh; display: flex; flex-direction: column; justify-content: center; padding-top: 12vh; padding-bottom: 12vh; }
.plataformas > * { max-width: 640px; }
.tiendas { list-style: none; margin: 30px 0 0; padding: 0; border-top: 1px solid var(--linea); }
.tiendas li { display: grid; grid-template-columns: 200px 1fr; align-items: center; gap: 24px; padding: 16px 0; border-bottom: 1px solid var(--linea); }
.tiendas img { height: 44px; width: auto; }
.enlace-tienda { display: inline-block; line-height: 0; border-radius: 6px; transition: transform .2s, box-shadow .2s; }
.enlace-tienda:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(24, 212, 255, .25); }
.tiendas span { color: var(--suave); font-size: 15px; }
.pronto { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; margin-top: 24px; padding: 16px 18px; border: 1px dashed rgba(255, 207, 106, .4); border-radius: 6px; }
.pronto img { height: 44px; width: auto; }
.etiqueta { font: 700 11px/1 var(--titulos); letter-spacing: .16em; text-transform: uppercase; color: #ffcf6a; }
.pronto-texto { color: var(--suave); font-size: 14px; }

/* Rótulo de aparatos, como el de un informativo */
.rotulo-movil { position: relative; z-index: 2; overflow: hidden; border-top: 1px solid var(--linea); border-bottom: 1px solid var(--linea); background: rgba(5, 6, 11, .7); }
.rotulo-cinta { display: flex; width: max-content; animation: cinta 70s linear infinite; }
.rotulo-cinta span { font: 700 clamp(16px, 1.6vw, 21px)/1 var(--titulos); padding: 18px 26px; white-space: nowrap; display: flex; align-items: center; gap: 26px; color: rgba(238, 241, 248, .85); }
.rotulo-cinta span::after { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--cian); }
.rotulo-cinta .luego { color: rgba(238, 241, 248, .4); }
@keyframes cinta { to { transform: translateX(-50%); } }

/* 06 · Para proveedores: de la señal a la pantalla */
.proveedores { padding-top: 16vh; padding-bottom: 12vh; }
.proveedores > h2, .proveedores > .bajada { max-width: 760px; }
.flujo { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 40px; }
.flujo::before { content: ""; position: absolute; left: 0; right: 0; top: 37px; height: 1px; background: linear-gradient(90deg, var(--cian), var(--violeta), var(--magenta)); opacity: .5; }
.etapa { position: relative; padding: 26px 22px 24px; border: 1px solid var(--linea); border-radius: 6px; background: var(--panel); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.etapa-num { position: relative; display: inline-grid; place-items: center; width: 24px; height: 24px; margin-bottom: 18px; font: 800 11px/1 var(--titulos); color: #05060b; background: var(--degradado); border-radius: 4px; }
.etapa h3 { font-size: 21px; margin-bottom: 2px; }
.etapa-sub { margin: 0 0 16px; color: var(--suave); font-size: 14px; }
.etapa ul { list-style: none; margin: 0; padding: 14px 0 0; border-top: 1px solid var(--linea); display: grid; gap: 10px; }
.etapa li { position: relative; padding-left: 16px; font-size: 14.5px; line-height: 1.5; color: #d3d9e6; }
.etapa li::before { content: ""; position: absolute; left: 0; top: .62em; width: 6px; height: 6px; border-radius: 1px; background: var(--cian); }
.etapa li b { color: var(--texto); font-weight: 600; }
.etapa li.en-preparacion { color: var(--suave); }
.etapa li.en-preparacion::before { background: #ffcf6a; }
.etapa li.en-preparacion span { display: inline-block; margin-left: 6px; padding: 2px 7px; font: 700 10px/1.4 var(--titulos); letter-spacing: .1em; text-transform: uppercase; color: #ffcf6a; border: 1px solid rgba(255, 207, 106, .45); border-radius: 3px; vertical-align: 1px; }

/* 07 · La plataforma: cifras, visor de pantallas reales y alcance */
.plataforma { padding-top: 14vh; padding-bottom: 12vh; }
.plataforma > h2, .plataforma > .bajada { max-width: 820px; }
.cifras { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin: 40px 0 0; border-top: 1px solid var(--linea); border-bottom: 1px solid var(--linea); }
.cifras div { padding: 24px 22px 22px 0; }
.cifras div + div { padding-left: 22px; border-left: 1px solid var(--linea); }
.cifras dt { font: 800 clamp(30px, 3vw, 44px)/1 var(--titulos); letter-spacing: -.02em; background: var(--degradado); -webkit-background-clip: text; background-clip: text; color: transparent; margin-bottom: 8px; }
.cifras dd { margin: 0; color: var(--suave); font-size: 14.5px; line-height: 1.45; }
.visor { margin-top: 44px; }
.visor-pestanas { display: flex; flex-wrap: wrap; gap: 6px; padding: 6px; border: 1px solid var(--linea); border-radius: 6px; background: var(--panel); width: fit-content; max-width: 100%; }
.visor-pestanas button { appearance: none; border: 0; background: transparent; color: var(--suave); font: 700 14px/1 var(--titulos); padding: 12px 16px; border-radius: 4px; cursor: pointer; transition: color .25s, background .25s; }
.visor-pestanas button:hover { color: var(--texto); }
.visor-pestanas button[aria-selected="true"] { color: #05060b; background: var(--texto); }
.visor-cuerpo { display: grid; grid-template-columns: 300px 1fr; gap: 32px; align-items: start; margin-top: 22px; }
.visor-texto h3 { font-size: 24px; line-height: 1.2; margin-bottom: 12px; }
.visor-texto p { margin: 0; color: var(--suave); font-size: 16px; }
.visor-pantalla { margin: 0; border: 1px solid #263049; border-radius: 8px; overflow: hidden; background: #0b0f1a; box-shadow: 0 30px 80px rgba(0, 0, 0, .55), 0 0 0 1px rgba(255, 255, 255, .02); }
.visor-barra { display: flex; align-items: center; gap: 7px; height: 34px; padding: 0 14px; background: #121726; border-bottom: 1px solid #222b40; font: 500 12px/1 var(--cuerpo); color: var(--suave); }
.visor-barra i { width: 10px; height: 10px; border-radius: 50%; background: #2b3550; }
.visor-barra span { margin-left: 10px; }
.visor-pantalla img { display: block; width: 100%; height: auto; transition: opacity .35s ease; }
.visor-pantalla img.cambiando { opacity: 0; }
.visor-pantalla img { cursor: zoom-in; }
.ampliada { max-width: min(1500px, 96vw); width: 96vw; padding: 0; border: 1px solid #263049; border-radius: 8px; background: #0b0f1a; color: var(--texto); }
.ampliada::backdrop { background: rgba(3, 4, 8, .82); backdrop-filter: blur(6px); }
.ampliada img { display: block; width: 100%; height: auto; }
.ampliada .cerrar { position: absolute; top: 10px; right: 10px; font: 700 13px/1 var(--titulos); padding: 10px 14px; border: 1px solid rgba(255, 255, 255, .3); border-radius: 4px; background: rgba(5, 6, 11, .85); color: var(--texto); cursor: pointer; }
.alcance-titulo { font-size: clamp(22px, 2vw, 28px); margin: 64px 0 18px; }
.alcance { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; background: var(--linea); border: 1px solid var(--linea); border-radius: 6px; overflow: hidden; }
.alcance article { background: rgba(8, 10, 18, .92); padding: 22px 20px 24px; }
.alcance h4 { font: 800 16px/1.3 var(--titulos); margin: 0 0 8px; }
.alcance h4::before { content: ""; display: block; width: 18px; height: 2px; margin-bottom: 14px; background: var(--degradado); }
.alcance p { margin: 0; color: var(--suave); font-size: 14px; line-height: 1.5; }

/* 08 · Preguntas */
.preguntas { padding-top: 14vh; padding-bottom: 12vh; }
.faq { max-width: 760px; border-top: 1px solid var(--linea); }
.faq details { border-bottom: 1px solid var(--linea); }
.faq summary { list-style: none; cursor: pointer; padding: 22px 50px 22px 0; position: relative; font: 700 clamp(17px, 1.4vw, 20px)/1.4 var(--titulos); transition: color .3s; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; position: absolute; right: 6px; top: 50%; width: 14px; height: 14px; margin-top: -7px;
  background: linear-gradient(var(--texto), var(--texto)) center / 14px 2px no-repeat, linear-gradient(var(--texto), var(--texto)) center / 2px 14px no-repeat; transition: transform .3s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq summary:hover { color: var(--cian); }
.faq p { margin: 0 0 22px; color: var(--suave); max-width: 660px; }
.faq a { color: var(--cian); }

/* 08 · Contacto y cierre */
.contacto { min-height: 100vh; display: flex; flex-direction: column; justify-content: center; padding-top: 10vh; }
.contacto > * { max-width: 620px; }
.contacto .pie, .contacto .correo { max-width: none; }
.cierre { font-size: clamp(40px, 5vw, 76px); line-height: 1.02; }
.correo { display: inline-block; margin: 6px 0 20px; font: 700 clamp(20px, 2.4vw, 34px)/1.2 var(--titulos); text-decoration: none; color: var(--cian); border-bottom: 1px solid rgba(24, 212, 255, .35); padding-bottom: 6px; width: fit-content; transition: border-color .3s; }
.correo:hover { border-color: var(--cian); }
.pie { margin-top: 12vh; padding: 24px 0 32px; border-top: 1px solid var(--linea); color: var(--suave); font-size: 13px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 14px; }
.pie nav { display: flex; gap: 22px; flex-wrap: wrap; }
.pie a { text-decoration: none; color: var(--suave); transition: color .3s; }
.pie a:hover { color: var(--texto); }
.pie p { margin: 0; }

/* Pantallas medianas y móviles */
@media (max-width: 1100px) {
  :root { --guia: 0px; }
  .guia { display: none; }
  .capitulo { padding-right: var(--margen); }
  .app-tira { grid-template-columns: 1fr 1fr; }
  .flujo { grid-template-columns: 1fr 1fr; }
  .flujo::before { display: none; }
  .alcance { grid-template-columns: repeat(3, 1fr); }
  .visor-cuerpo { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .directo { display: none; }
  .apertura { justify-content: flex-end; padding-bottom: 90px; }
  .apertura-texto { background: linear-gradient(transparent, rgba(5, 6, 11, .75) 25%); }
  .pasos-rejilla, .app-tira, .flujo, .alcance { grid-template-columns: 1fr; }
  .cifras { grid-template-columns: 1fr 1fr; }
  .cifras div:nth-child(3) { padding-left: 0; border-left: 0; }
  .cifras div:nth-child(n+3) { border-top: 1px solid var(--linea); }
  .app-bloque { min-height: auto; padding: 16vh 0 6vh; }
  .captura-estatica { display: block; }
  .tiendas li { grid-template-columns: 1fr; gap: 8px; }
  .contacto { justify-content: flex-end; padding-top: 42vh; }
  .correo { font-size: 4.8vw; overflow-wrap: anywhere; }
}

@media (prefers-reduced-motion: reduce) {
  .rotulo-cinta { animation: none; }
}