/* Diseño web — landing de capacidad de 8iT.
   Paleta cerrada: #24242e (oscuro), #293f61 (tarjetas), #f5f2e9 (papel), #0c0d0c (texto sobre claro).
   Azul de palabra clave en titulares: #72a9e8 sobre oscuro, #2e6ab1 sobre claro.
   Contrastes: papel/#24242e 13,4 · papel/#293f61 9,6 · #0c0d0c/papel 17,6 · #2e6ab1/papel 4,9 · papel/#2e6ab1 4,9 · #72a9e8/#24242e 6,4 · #72a9e8/#293f61 4,4 (solo titulares grandes: mínimo AA 3:1).
   Las demos (.device) son webs ficticias con identidad propia; ver diseno-web-demos.css. */
:root {
  --nav-height: var(--nav-h); /* alias: el sistema común (/site.css) la llama --nav-h */
  --c-dark: #24242e;
  --c-card: #293f61;
  --c-paper: #f5f2e9;
  --c-ink: #0c0d0c;
  --c-kw-dark: #72a9e8;
  --c-kw-light: #2e6ab1;
  --line-d: rgb(245 242 233 / 24%);
  --line-l: rgb(12 13 12 / 22%);
  --mono: ui-monospace, 'Cascadia Mono', 'SF Mono', Consolas, monospace;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --h: clamp(1.9rem, 8.2vw, 3.1rem); /* ÚNICO tamaño de titular principal (h1 y h2) */
}
html:has(.wd-page) { scroll-snap-type: none !important; scroll-behavior: auto; }
.wd-page { margin: 0; background: var(--c-dark); color: var(--c-paper); overflow-x: clip; }
.wd-page ::selection { background: var(--c-kw-light); color: var(--c-paper); }
.wd-page :focus-visible { outline: 3px solid var(--c-kw-light); outline-offset: 3px; }
.panel--dark :focus-visible, .panel--card :focus-visible, .panel--hero :focus-visible { outline-color: var(--c-paper); }
.wd-page h1, .wd-page h2, .wd-page h3 , .wd-page div:where(.t3) { text-shadow: none; -webkit-text-stroke: 0; }
.wd-page h1, .wd-page h2 { margin: 0; font-size: var(--h); text-transform: uppercase; font-weight: 800; letter-spacing: -0.05em; line-height: 0.94; text-wrap: balance; }
.wd-page h3 ,
.wd-page div:where(.t3) { margin: 0; letter-spacing: -0.02em; }
.wd-page p { text-wrap: pretty; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.mono { margin: 0; font: 700 11px/1.35 var(--mono); letter-spacing: 0.09em; text-transform: uppercase; }
.label { margin: 0 0 14px; font: 700 12px/1.3 var(--mono); letter-spacing: 0.2em; text-transform: uppercase; color: inherit; opacity: 0.82; }
.lede { margin: 0; max-width: 46ch; font-size: clamp(1rem, 2.4vw, 1.2rem); line-height: 1.45; }
.wd-page .button { text-transform: uppercase; }
.wd-page main .button::after { content: none; } /* las flechas ya van en el HTML de esta página */
.wd-page .button-paper { --bg: var(--c-paper); --fg: var(--c-ink); --sh: var(--c-kw-light); }
.panel--paper .button-paper { --bg: var(--c-ink); --fg: var(--c-paper); }
.panel--paper .button-paper { border-color: var(--c-ink); }


/* ═════ PANELES (base móvil = flujo natural) ═════ */
.panel { position: relative; isolation: isolate; padding: calc(var(--nav-height) + 28px) var(--pad) 64px; --kw: var(--c-kw-dark); }
.panel--dark, .panel--hero { background: var(--c-dark); color: var(--c-paper); }
.panel--card { background: var(--c-card); color: var(--c-paper); }
.panel--paper { background: var(--c-paper); color: var(--c-ink); --kw: var(--c-kw-light); }
.kw { color: var(--kw); }
.panel::before { /* retícula de líneas finas */
  content: ''; position: absolute; z-index: -1; inset: 0 var(--pad); pointer-events: none;
  background: repeating-linear-gradient(90deg, var(--grid, rgb(245 242 233 / 7%)) 0 1px, transparent 1px calc(100% / 4));
}
.panel--paper { --grid: rgb(12 13 12 / 7%); }
.panel__in { display: grid; gap: 28px; max-width: 1500px; margin-inline: auto; align-content: start; position: relative; z-index: 1; }
.sec-head { display: grid; }
.panel--paper .label { color: var(--c-kw-light); opacity: 1; }

/* Canvas 3D: ocultos hasta que el script los activa; mientras tanto se ve la versión estática */
.hero__gl, .rack__gl, .logo__gl, .trio__gl { display: block; opacity: 0; transition: opacity 700ms; pointer-events: none; }
.is-on { opacity: 1 !important; }

/* ═════ HERO ═════ */
.panel--hero { min-height: 100svh; display: flex; flex-direction: column; }
.panel--hero .hero__in { order: 1; gap: 20px; }
.hero__lead { max-width: 40ch; font-size: clamp(1rem, 3.6vw, 1.3rem); line-height: 1.42; margin: 0; }
.pains { display: grid; margin: 0; padding: 0; list-style: none; max-width: 540px; border-top: 1px solid var(--line-d); }
.pains li { display: grid; grid-template-columns: 2.4em 1fr; gap: 8px; padding: 10px 0; border-bottom: 1px solid var(--line-d); font-size: 0.9375rem; line-height: 1.35; }
.pains .mono { opacity: 0.75; padding-top: 0.2em; }
.hero__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 26px; }
.hero__art { order: 2; display: block; width: 100%; height: auto; max-width: 360px; margin: 24px auto 0; pointer-events: none; }
.hero__gl { display: none; }
.hero__reticle, .close__reticle { display: none; }

/* ═════ NIVELES ═════ */
.levels__head { display: grid; gap: 20px; }
.trio { position: relative; margin: 0 0 26px; width: 100%; max-width: 340px; aspect-ratio: 320 / 150; justify-self: start; }
.trio__gl, .trio__art { position: absolute; inset: 0; width: 100%; height: 100%; overflow: hidden; }
.trio__gl.is-on + .trio__art { opacity: 0; }
.trio__art { transition: opacity 700ms; }
.trio figcaption { position: absolute; left: 0; right: 0; bottom: -22px; text-align: center; color: rgb(12 13 12 / 78%); }
.tiers { display: grid; margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line-l); }
.tier { display: grid; gap: 12px; padding: 26px 0; border-bottom: 1px solid var(--line-l); align-content: start; }
.tier h3 ,
.tier div:where(.t3) { font-size: clamp(1.4rem, 5.6vw, 2rem); font-weight: 800; text-transform: uppercase; letter-spacing: -0.04em; line-height: 0.95; }
.tier__n { color: var(--c-kw-light); }
/* Precio: a la derecha del todo, con poco énfasis (peso medio, color atenuado, ≥16 px) */
.tier .tier__price { margin: 0; justify-self: end; text-align: right; font-size: 1.125rem; font-weight: 500; letter-spacing: 0; line-height: 1.3; color: rgb(12 13 12 / 72%); white-space: nowrap; font-variant-numeric: tabular-nums; }
.tier__price small { display: inline; margin-right: 0.3em; font: inherit; letter-spacing: 0; text-transform: none; }
/* Dolor y solución: más grandes y con presencia visual */
.tier .tier__pain, .tier .tier__fix { position: relative; margin: 0; padding: 14px 16px 14px 52px; border-radius: 12px; font-size: 1.1875rem; line-height: 1.38; }
.tier .tier__pain { background: rgb(12 13 12 / 6%); color: var(--c-ink); }
.tier .tier__fix { background: var(--c-kw-light); color: var(--c-paper); font-weight: 600; }
.tier__pain::before, .tier__fix::before { position: absolute; left: 14px; top: 13px; display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; font: 800 15px/1 var(--mono); }
.tier__pain::before { content: '✕'; background: var(--c-ink); color: var(--c-paper); }
.tier__fix::before { content: '✓'; background: var(--c-paper); color: var(--c-kw-light); }
.tier b { display: block; margin-bottom: 2px; font: 700 12px/1.5 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: inherit; opacity: 0.8; }
.tier__demo { width: fit-content; font-size: 0.875rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.03em; color: var(--c-ink); text-underline-offset: 6px; }
.levels__foot { display: grid; gap: 8px; }
.levels__common { margin: 0; font-size: 1rem; line-height: 1.45; max-width: 70ch; }
.levels__common strong { font-weight: 800; }
.levels__note { color: rgb(12 13 12 / 78%); }

/* ═════ MANTENIMIENTO ═════ */
.mant__in { gap: 28px; }
.mant__main { display: grid; gap: clamp(14px, 2.6vh, 26px); align-content: start; min-width: 0; }
.plans { display: grid; gap: 12px; }
.plan { display: grid; gap: 6px; padding: 18px 22px; border: 1px solid var(--c-paper); }
.plan__who { margin: 0; font-size: 1rem; line-height: 1.35; font-weight: 700; }
.plan__price { margin: 0; font-size: clamp(2rem, 8vw, 3.2rem); font-weight: 800; letter-spacing: -0.05em; line-height: 1; font-variant-numeric: tabular-nums; }
.plan__price small { font: 700 12px/1.4 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; }
.incl { display: grid; gap: 8px 28px; margin: 0; padding: 0; list-style: none; }
.incl li { position: relative; padding-left: 22px; font-size: 1rem; line-height: 1.4; }
.incl li::before { content: ''; position: absolute; left: 0; top: 0.42em; width: 10px; height: 10px; background: var(--c-kw-dark); }
.mant__sla { opacity: 0.85; }
.mant__model { position: relative; min-height: 220px; }
.rack__gl, .rack__art { position: absolute; inset: 0; width: 100%; height: 100%; }
.rack__art { margin: auto; max-height: 240px; transition: opacity 700ms; }
.rack__gl.is-on + .rack__art { opacity: 0; }

/* ═════ PROCESO (línea animada) ═════ */
.steps { --line: 1; position: relative; display: grid; gap: 0; margin: 0; padding: 0 0 0 30px; list-style: none; }
.steps::before { content: ''; position: absolute; left: 6px; top: 6px; bottom: 6px; width: 1px; background: var(--c-ink); transform-origin: top; transform: scaleY(var(--line)); }
.steps li { position: relative; display: grid; grid-template-columns: 2.4em 1fr; column-gap: 8px; padding: 12px 0; }
.steps li::before { content: ''; position: absolute; left: -30px; top: 17px; width: 13px; height: 13px; border: 1px solid var(--c-ink); background: var(--c-paper); }
.steps .mono { grid-row: span 2; color: var(--c-kw-light); padding-top: 0.35em; }
.steps h3 ,
.steps div:where(.t3) { font-size: 1.1rem; font-weight: 800; text-transform: uppercase; letter-spacing: -0.03em; }
.steps p { margin: 2px 0 0; font-size: 1rem; line-height: 1.38; }

/* ═════ POR QUÉ (filas) ═════ */
.rows { display: grid; margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line-d); }
.rows li { display: grid; gap: 6px; padding: 18px 0; border-bottom: 1px solid var(--line-d); }
.rows h3 ,
.rows div:where(.t3) { font-size: clamp(1.4rem, 6vw, 2.2rem); font-weight: 800; text-transform: uppercase; letter-spacing: -0.045em; line-height: 0.95; }
.rows p { margin: 0; max-width: 44ch; font-size: 1rem; line-height: 1.42; }
.rows .mono { opacity: 0.8; }

/* ═════ CASOS / CIERRE ═════ */
.cases__in { gap: 22px; }
.cases__link { min-height: 56px; padding-inline: 32px; font-size: 13px; }
.panel--close { display: flex; flex-direction: column; padding-bottom: 0; }
.logo__gl, .logo__art { position: absolute; inset: 0; width: 100%; height: 100%; }
.logo__art { object-fit: contain; transition: opacity 700ms; }
.logo__gl.is-on + .logo__art { opacity: 0; }

.rail { display: none; }

/* ═════ MOVIMIENTO (solo cuando el script lo activa): solo transform y opacity, el espacio ya está reservado ═════ */
.motion .panel:not(:first-child) [data-r] { opacity: 0; transform: translateY(26px); will-change: transform, opacity; }
.motion .panel:not(:first-child) [data-r].is-in { opacity: 1; transform: none; will-change: auto; }
/* En las demos el elemento conserva su capa tras aparecer: al soltar will-change el texto se re-rasterizaba medio píxel más allá y contaba como desplazamiento de diseño (CLS 0,002). */
.motion .panel.demo [data-r].is-in { will-change: transform; }
/* Móvil y tablet (sin GSAP): la aparición es una transición CSS; el delay escalonado lo pone main.js en --d */
html:not(.deck-on).motion .panel:not(:first-child) [data-r].is-in { transition: opacity 700ms var(--ease) var(--d, 0ms), transform 700ms var(--ease) var(--d, 0ms); }
/* La primera pantalla entra con CSS puro y sin ocultar el texto (el texto es el LCP) */
@media (prefers-reduced-motion: no-preference) {
  .panel:first-child [data-r] { animation: wd-rise 800ms var(--ease) backwards; }
  @keyframes wd-rise { from { transform: translateY(18px); } }
}
.motion .steps { --line: 0; }

/* ═════ TABLET ═════ */
@media (min-width: 700px) {
  .panel::before { background: repeating-linear-gradient(90deg, var(--grid, rgb(245 242 233 / 7%)) 0 1px, transparent 1px calc(100% / 12)); }
  .levels__head { grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 28px; }
  .trio { width: clamp(240px, 38vw, 340px); }
  .tier { grid-template-columns: 1fr 1fr; grid-template-areas: 'n price' 'name price' 'pain fix' 'demo demo'; column-gap: 20px; }
  .tier .tier__n { grid-area: n; } .tier h3 , .tier div:where(.t3) { grid-area: name; } .tier .tier__price { grid-area: price; align-self: start; }
  .tier__pain { grid-area: pain; } .tier__fix { grid-area: fix; } .tier__demo { grid-area: demo; }
  .plans { grid-template-columns: 1fr 1fr; }
  .incl { grid-template-columns: 1fr 1fr; }
  .mant__in { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); align-items: center; }
  .rows li { grid-template-columns: 2.4em minmax(0, 1fr) minmax(0, 1fr); align-items: baseline; column-gap: 20px; }
  .devsel { display: inline-flex; }
}


/* ═════ ESCRITORIO: secciones apiladas a pantalla completa ═════
   Cada sección ocupa una pantalla y queda fijada (sticky); la siguiente entra encima (la máscara circular la lanza el script).
   Sin JS sigue funcionando con scroll nativo. */
@media (min-width: 1100px) and (min-height: 800px) and (prefers-reduced-motion: no-preference) and (hover: hover) and (pointer: fine) {
  :root { --h: min(4.6vw, 7.6vh, 5.2rem); }
  .deck { position: relative; }
  .panel { position: sticky; top: 0; height: 100svh; min-height: 0; overflow: hidden; display: flex; flex-direction: column; justify-content: center; padding: calc(var(--nav-height) + 18px) var(--pad) 92px; }
  .panel__in { width: 100%; gap: clamp(14px, 3vh, 32px); }
  .panel::after { /* marcas de mira en las esquinas, en el margen */
    content: ''; position: absolute; z-index: 0; inset: 0; pointer-events: none; opacity: 0.45; color: inherit;
    background:
      linear-gradient(currentColor, currentColor) left 12px top calc(var(--nav-height) + 12px) / 13px 1px no-repeat,
      linear-gradient(currentColor, currentColor) left 18px top calc(var(--nav-height) + 6px) / 1px 13px no-repeat,
      linear-gradient(currentColor, currentColor) right 12px bottom 30px / 13px 1px no-repeat,
      linear-gradient(currentColor, currentColor) right 18px bottom 24px / 1px 13px no-repeat;
  }
  .rail { display: block; position: fixed; z-index: 35; right: 18px; top: 50%; transform: translateY(-50%); color: var(--c-paper); transition: color 300ms; }
  .rail.is-light { color: var(--c-ink); }
  .rail ol { display: grid; gap: 4px; margin: 0; padding: 0; list-style: none; }
  .rail a { display: grid; place-items: center; width: 24px; height: 24px; }
  .rail a::before { content: ''; width: 8px; height: 8px; border: 1px solid currentColor; border-radius: 50%; transition: background-color 200ms, transform 200ms; }
  .rail a[aria-current='true']::before { background: currentColor; transform: scale(1.4); }

  /* Hero: el 3D ocupa más de la mitad de la pantalla, detrás del texto */
  .hero__in > * { max-width: min(48vw, 700px); }
  .hero__in > .pains { max-width: min(44vw, 540px); }
  .panel--hero .kw { display: block; }
  .hero__art, .hero__gl, .hero__reticle { position: absolute; top: 50%; margin: 0; max-width: none; transform: translateY(-48%); }
  .hero__art { right: calc(var(--edge) - 1vw); width: min(46vw, 100vh); height: auto; transition: opacity 900ms; }
  .hero__gl { display: block; right: calc(var(--edge) - 2vw); width: min(52vw, 112vh); height: min(84vh, 50vw); }
  .hero__gl.is-on ~ .hero__art { opacity: 0; }
  .hero__reticle { display: block; right: calc(var(--edge) + 1vw); width: min(40vw, 80vh); color: rgb(245 242 233 / 24%); animation: spin 90s linear infinite; }
  .hero__lead { font-size: clamp(1rem, 1.4vw, 1.3rem); max-width: min(42vw, 600px) !important; }

  /* Niveles: tabla alineada, tres filas de la misma altura */
  .levels__head { gap: 40px; }
  .trio { width: min(33vw, 460px); margin-bottom: 26px; }
  .tiers { grid-template-columns: 5em minmax(0, 1.15fr) minmax(0, 2.3fr) minmax(0, 2.3fr) 9.5em; column-gap: 24px; grid-auto-rows: 1fr; }
  .tier { grid-template-columns: subgrid; grid-template-rows: auto 1fr; grid-column: 1 / -1; align-items: start; gap: 6px 24px; padding: clamp(10px, 1.8vh, 20px) 0; }
  .tier .tier__n { grid-column: 1; grid-row: 1 / 3; }
  .tier h3 ,
  .tier div:where(.t3) { grid-column: 2; grid-row: 1; font-size: clamp(1.2rem, 1.9vw, 1.9rem); }
  .tier__demo { grid-column: 2; grid-row: 2; white-space: nowrap; align-self: start; }
  .tier .tier__pain { grid-column: 3; grid-row: 1 / 3; align-self: stretch; font-size: clamp(1.1rem, 1.3vw, 1.3rem); }
  .tier .tier__fix { grid-column: 4; grid-row: 1 / 3; align-self: stretch; font-size: clamp(1.1rem, 1.3vw, 1.3rem); }
  .tier .tier__price { grid-column: 5; grid-row: 1 / 3; justify-self: end; text-align: right; }
  .levels__foot { grid-template-columns: 1fr auto; align-items: baseline; gap: 28px; }

  /* Mantenimiento */
  .mant__model { min-height: 0; height: min(58vh, 520px); }
  .rack__art { max-height: none; }
  .incl { gap: 10px 28px; }


  /* Proceso: una línea que atraviesa los siete pasos */
  .steps { grid-template-columns: repeat(6, minmax(0, 1fr)); column-gap: 18px; padding: 0; }
  .steps::before { left: 0; right: 0; top: 6px; bottom: auto; width: auto; height: 1px; transform-origin: left; transform: scaleX(var(--line)); }
  .steps li { grid-template-columns: 1fr; padding: 28px 0 0; align-content: start; }
  .steps li::before { left: 0; top: 0; }
  .steps .mono { grid-row: auto; padding: 0 0 6px; }
  .steps h3 ,
  .steps div:where(.t3) { font-size: clamp(0.9rem, 1.12vw, 1.1rem); }
  .steps p { font-size: clamp(0.875rem, 1vw, 1rem); }

  /* Filas */
  .rows li { padding-block: clamp(12px, 2.6vh, 26px); }
  .rows h3 ,
  .rows div:where(.t3) { font-size: clamp(1.5rem, 2.6vw, 2.6rem); }

  /* Cierre a pantalla completa */
  .panel--close { justify-content: flex-end; padding-bottom: 0; }
}

/* Escritorio bajo (800–900 px de alto): se compacta en vertical */
@media (min-width: 1100px) and (min-height: 800px) and (max-height: 900px) and (prefers-reduced-motion: no-preference) and (hover: hover) and (pointer: fine) {
  .tier { padding-block: 8px; }
  .tier .tier__pain, .tier .tier__fix { padding-block: 10px; font-size: 1.0625rem; }
  .steps li { padding-top: 24px; }
  .rows li { padding-block: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  .wd-page *, .wd-page *::before, .wd-page *::after { animation: none !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

/* Zonas táctiles de 44 px en móvil y tablet (fuera de las demos, que son webs ficticias dentro del dispositivo) */
@media (max-width: 1099px) {
  .text-link, .tier__demo { display: inline-flex; align-items: center; min-height: 44px; }
}

/* Pie común (tools/chrome.mjs) dentro de la última sección del «mazo»: compacto, en una sola franja */
@media (min-width: 900px) {
}

/* Escritorio con puntero fino: enlaces de texto compactos (24 px, mínimo de WCAG 2.2) para que la tabla de niveles quepa en una pantalla */
@media (min-width: 1100px) and (hover: hover) and (pointer: fine) { .wd-page .text-link, .wd-page .tier__demo { min-height: 24px; } }

/* Escritorio de hasta 920 px de alto: la tabla de niveles se compacta un poco más para caber entera en su pantalla */
@media (min-width: 1100px) and (min-height: 800px) and (max-height: 920px) and (prefers-reduced-motion: no-preference) and (hover: hover) and (pointer: fine) {
  .trio { width: min(24vw, 340px); margin-bottom: 18px; }
  .levels__head { gap: 24px; }
  .tier .tier__pain, .tier .tier__fix { padding-block: 8px; }
  .tier { padding-block: 6px; }
}
@media (min-width: 1100px) and (min-height: 800px) and (max-height: 840px) and (prefers-reduced-motion: no-preference) and (hover: hover) and (pointer: fine) {
  .trio { width: min(18vw, 240px); margin-bottom: 14px; }
  .tier .tier__pain, .tier .tier__fix { padding-block: 6px; font-size: 1rem; }
  .levels__head { gap: 16px; }
}
.panel--close > .panel__in { width: 100%; }
.panel--close .site-footer { order: 3; margin-top: auto; }

/* Móvil: el esquema de móvil, tablet y PC va centrado */
@media (max-width: 699px) {
  .trio { justify-self: center; margin-inline: auto; }
}