/* Xraxorx. Sistema visual: plano cianotipo.
   Un solo fondo azul, tinta tiza, esquinas rectas, sin sombras. El único color pleno del sitio es la casa reconstruida. */

@view-transition { navigation: auto; }

:root {
  --blue: #12409c;
  --blue-deep: #0d3182;
  --blue-ink: #0a2566;
  --blue-lift: #1a4cae;
  --chalk: #f3f6ff;
  --chalk-2: #cbd9fc;
  --chalk-3: #b6c8f9;
  --line: rgb(243 246 255 / 0.24);
  --line-2: rgb(243 246 255 / 0.55);
  --line-faint: rgb(243 246 255 / 0.075);

  --font: "Archivo", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "Geist Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;

  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);

  --nav-h: 68px;
  --gutter: clamp(1.25rem, 4.2vw, 3.75rem);
  --max: 1360px;
  --section: clamp(5rem, 10.5vw, 9.5rem);

  /* Capas: fondo -1, contenido 0, interfaz de escena 2 y 3, menú 40, barra 50. */
  --z-scene-ui: 3;
  --z-menu: 40;
  --z-nav: 50;
}

*, *::before, *::after { box-sizing: border-box; }
html {
  background: var(--blue);
  color: var(--chalk);
  font-family: var(--font);
  font-size: 100%;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scrollbar-color: var(--chalk-3) var(--blue-deep);
  scroll-padding-top: calc(var(--nav-h) + 1rem);
  -webkit-tap-highlight-color: transparent;
}
body {
  margin: 0;
  min-height: 100dvh;
  font-size: 1.0625rem;
  font-weight: 400;
  color: var(--chalk-2);
  caret-color: var(--chalk);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
/* Papel de plano: retícula de 24 y 96 px sobre un lavado azul algo desigual, como una copia heliográfica. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(var(--line-faint) 1px, transparent 1px) 0 -1px / 100% 96px,
    linear-gradient(90deg, var(--line-faint) 1px, transparent 1px) -1px 0 / 96px 100%,
    linear-gradient(rgb(243 246 255 / 0.03) 1px, transparent 1px) 0 -1px / 100% 24px,
    linear-gradient(90deg, rgb(243 246 255 / 0.03) 1px, transparent 1px) -1px 0 / 24px 100%,
    radial-gradient(120% 90% at 72% 8%, #1848ab 0%, var(--blue) 46%, #103a92 100%);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.22;
  mix-blend-mode: soft-light;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .55 0'/%3E%3C/filter%3E%3Crect width='220' height='220' filter='url(%23n)'/%3E%3C/svg%3E");
}
::selection { background: var(--chalk); color: var(--blue-ink); }
:focus-visible { outline: 2px solid var(--chalk); outline-offset: 3px; }

h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.22em; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
[hidden] { display: none !important; }

/* ── Tipografía ─────────────────────────────────────────── */
h1, h2, h3 { color: var(--chalk); font-weight: 620; text-wrap: balance; }
.display {
  font-size: clamp(2.35rem, 0.9rem + 4vw, 4.5rem);
  font-stretch: 116%;
  font-weight: 640;
  line-height: 0.99;
  letter-spacing: -0.024em;
}
h1 { font-size: clamp(2.2rem, 1.2rem + 3.6vw, 4rem); font-stretch: 114%; line-height: 1.01; letter-spacing: -0.022em; }
h2 { font-size: clamp(1.85rem, 1.15rem + 2.4vw, 3.1rem); font-stretch: 112%; line-height: 1.05; letter-spacing: -0.02em; }
h3 { font-size: clamp(1.2rem, 1.05rem + 0.55vw, 1.5rem); font-stretch: 110%; font-weight: 600; line-height: 1.18; letter-spacing: -0.01em; }
p { max-width: 66ch; text-wrap: pretty; }
.lead { font-size: clamp(1.14rem, 1.02rem + 0.5vw, 1.34rem); line-height: 1.5; color: var(--chalk); max-width: 34rem; }
.num { font-family: var(--mono); font-variant-numeric: tabular-nums; font-size: 0.86em; letter-spacing: 0; }
.skip {
  position: absolute; left: var(--gutter); top: 0.6rem; z-index: 60;
  padding: 0.6rem 1rem; background: var(--chalk); color: var(--blue-ink); font-weight: 600;
  transform: translateY(-200%);
}
.skip:focus { transform: none; }
.icon { width: 1.15rem; height: 1.15rem; flex: none; fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: square; }

/* ── Botones ────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.65rem;
  min-height: 3rem; padding: 0 1.3rem;
  border: 1px solid var(--chalk); background: transparent; color: var(--chalk);
  font-weight: 600; font-size: 0.98rem; font-stretch: 106%; line-height: 1; white-space: nowrap; text-decoration: none;
  transition: transform 160ms var(--ease-out), background-color 200ms ease, color 200ms ease, border-color 200ms ease;
}
.btn .icon { transition: transform 220ms var(--ease-out); }
.btn:active { transform: scale(0.97); }
.btn--solid { background: var(--chalk); color: var(--blue-ink); }
.btn[disabled] { opacity: 0.55; cursor: progress; }
@media (hover: hover) and (pointer: fine) {
  .btn:hover { background: rgb(243 246 255 / 0.13); }
  .btn--solid:hover { background: var(--chalk-2); border-color: var(--chalk-2); }
  .btn:hover .icon { transform: translateX(4px); }
}
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* ── Barra de navegación ────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: var(--z-nav);
  height: var(--nav-h); display: flex; align-items: center; gap: clamp(1.25rem, 3vw, 2.5rem);
  padding: 0 var(--gutter);
  background: var(--blue); border-bottom: 1px solid var(--line);
}
.nav__brand {
  display: inline-flex; align-items: center; gap: 0.7rem; margin-right: auto;
  color: var(--chalk); text-decoration: none;
  font-weight: 700; font-stretch: 122%; font-size: 1.04rem; letter-spacing: 0.035em; text-transform: uppercase;
}
.nav__brand svg { width: 1.7rem; height: 1.7rem; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linejoin: miter; stroke-linecap: square; }
.nav__links { display: none; gap: clamp(1.25rem, 2.6vw, 2.25rem); }
.nav__links a {
  position: relative; padding: 0.6rem 0; color: var(--chalk-2); text-decoration: none; font-weight: 500; font-size: 0.97rem;
  transition: color 200ms ease;
}
.nav__links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0.3rem; height: 1px; background: currentColor;
  transform: scaleX(0); transform-origin: left; transition: transform 240ms var(--ease-out);
}
.nav__links a[aria-current="page"] { color: var(--chalk); }
.nav__links a[aria-current="page"]::after { transform: none; }
@media (hover: hover) and (pointer: fine) {
  .nav__links a:hover { color: var(--chalk); }
  .nav__links a:hover::after { transform: none; }
}
.nav__cta { display: none; min-height: 2.6rem; }
.nav__toggle {
  position: relative; width: 2.75rem; height: 2.75rem; margin-right: -0.6rem; padding: 0;
  background: none; border: 0;
}
.nav__toggle span {
  position: absolute; left: 0.6rem; right: 0.6rem; top: 50%; height: 1.5px; background: var(--chalk);
  transition: transform 260ms var(--ease-out);
}
.nav__toggle span:first-child { transform: translateY(-4px); }
.nav__toggle span:last-child { transform: translateY(4px); }
.nav__toggle[aria-expanded="true"] span:first-child { transform: rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:last-child { transform: rotate(-45deg); }

.menu {
  position: fixed; inset: var(--nav-h) 0 0 0; z-index: var(--z-menu);
  display: flex; flex-direction: column; padding: 1.5rem var(--gutter) 2rem;
  background: var(--blue-deep);
  clip-path: inset(0 0 100% 0); visibility: hidden;
  transition: clip-path 340ms var(--ease-out), visibility 0s linear 340ms;
}
.menu-open .menu { clip-path: inset(0); visibility: visible; transition-delay: 0s; }
.menu-open { overflow: hidden; }
.menu a:not(.btn) {
  display: flex; align-items: center; justify-content: space-between; padding: 1.1rem 0;
  border-bottom: 1px solid var(--line); color: var(--chalk); text-decoration: none;
  font-size: 1.7rem; font-weight: 620; font-stretch: 112%; letter-spacing: -0.015em;
}
.menu .btn { margin-top: auto; }
@media (min-width: 900px) {
  .nav__links { display: flex; }
  .nav__cta { display: inline-flex; }
  .nav__toggle, .menu { display: none; }
}

/* ── Estructura común ───────────────────────────────────── */
.wrap { width: min(100% - 2 * var(--gutter), var(--max)); margin-inline: auto; }
.section { padding-block: var(--section); border-top: 1px solid var(--line); }
.section__head { max-width: 46rem; margin-bottom: clamp(2.5rem, 5vw, 4.25rem); }
.section__head p { margin-top: 1.15rem; max-width: 36rem; }
.page-head { padding-block: clamp(4rem, 9vw, 7.5rem) clamp(3.5rem, 7vw, 6rem); }
.page-head h1 { max-width: 19ch; }
.page-head .lead { margin-top: 1.6rem; max-width: 40rem; }

/* ── Escena de portada ──────────────────────────────────── */
.stage { --scene-h: 38dvh; position: relative; display: grid; }
.stage__viewport {
  grid-area: 1 / 1; align-self: start; position: sticky; top: var(--nav-h); z-index: var(--z-scene-ui);
  height: var(--scene-h); overflow: hidden; pointer-events: none;
  background: var(--blue); border-bottom: 1px solid var(--line);
}
.stage__scene { position: absolute; inset: 0; }
.stage__scene canvas { width: 100%; height: 100%; opacity: 0; transition: opacity 500ms ease; }
.stage--ready .stage__scene canvas { opacity: 1; }
.stage__dim {
  position: absolute; left: 0; top: 0; padding: 0.1rem 0.4rem;
  background: var(--blue); color: var(--chalk);
  font-family: var(--mono); font-size: 0.72rem; font-variant-numeric: tabular-nums; white-space: nowrap;
  opacity: 0; transition: opacity 260ms ease; will-change: transform;
}
.stage__readout {
  position: absolute; top: 0.9rem; right: var(--gutter); display: none; gap: 0.2rem 1.25rem;
  padding: 0.55rem 0.75rem; background: var(--blue); border: 1px solid var(--line);
  font-family: var(--mono); font-size: 0.74rem; font-variant-numeric: tabular-nums; color: var(--chalk-3);
}
.stage__readout div { display: flex; justify-content: space-between; gap: 1.5rem; }
.stage__readout dd { color: var(--chalk); min-width: 7ch; text-align: right; }
.stage__legend {
  position: absolute; left: var(--gutter); right: var(--gutter); bottom: 0.8rem;
  display: flex; justify-content: space-between; gap: 0.5rem;
  padding: 0.5rem 0.75rem; background: var(--blue); border: 1px solid var(--line);
  font-size: 0.74rem; font-weight: 500; color: var(--chalk-3);
}
.stage__legend li { display: flex; align-items: center; gap: 0.4rem; transition: color 240ms ease; }
.stage__legend li::before {
  content: ""; width: 0.44rem; height: 0.44rem; border: 1px solid currentColor;
  transition: background-color 240ms ease;
}
.stage__legend li[aria-current] { color: var(--chalk); }
.stage__legend li[aria-current]::before { background: var(--chalk); }
.stage__fallback { display: none; position: absolute; inset: auto var(--gutter) 2.5rem; font-size: 0.9rem; }
.stage--nogl .stage__fallback { display: block; }
.stage--nogl .stage__legend, .stage--nogl .stage__readout { display: none; }

.stage__track { grid-area: 1 / 1; position: relative; }
.stage__panel {
  min-height: calc(100dvh - var(--nav-h));
  display: flex; flex-direction: column; justify-content: flex-start;
  padding: calc(var(--scene-h) + 1.4rem) var(--gutter) 1.25rem;
}
.stage__panel--hero .display { font-size: min(8.6vw, 3.4rem); }
.stage__panel--hero .lead { margin-top: 0.9rem; font-size: 1.06rem; }
.stage__panel--hero .actions { margin-top: 1.25rem; gap: 0.6rem; }
.stage__panel h2 { max-width: 15ch; }
.stage__panel p { margin-top: 1.1rem; max-width: 29rem; }
.stage__panel .lead { margin-top: 1.2rem; max-width: 31rem; }
.stage__panel .actions { margin-top: 1.6rem; }
.display span { display: block; }

@media (min-width: 900px) {
  .stage__viewport { height: calc(100dvh - var(--nav-h)); z-index: auto; background: none; border-bottom: 0; }
  .stage__scene {
    left: auto; right: -5%; width: 64%;
    -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 22%);
    mask-image: linear-gradient(90deg, transparent 0, #000 22%);
  }
  .stage__readout { display: grid; top: 1.6rem; font-size: 0.78rem; }
  .stage__legend { left: auto; bottom: 1.7rem; gap: 1.6rem; padding: 0.6rem 1rem; font-size: 0.82rem; }
  .stage__dim { font-size: 0.78rem; }
  .stage__track { z-index: calc(var(--z-scene-ui) + 1); pointer-events: none; }
  .stage__panel { justify-content: center; padding: 3rem var(--gutter); width: min(100%, var(--max) + 2 * var(--gutter)); margin-inline: auto; }
  .stage__panel > * { pointer-events: auto; }
  .stage__panel--hero { padding-bottom: 5.5rem; }
  .stage__panel--hero .display { font-size: clamp(2.35rem, 0.9rem + 4vw, 4.5rem); }
  .stage__panel--hero .lead { margin-top: 1.2rem; font-size: clamp(1.14rem, 1.02rem + 0.5vw, 1.34rem); }
  .stage__panel--hero .actions { margin-top: 1.6rem; gap: 0.75rem; }
  .stage__panel p { max-width: 25rem; }
  .stage__panel .lead { max-width: 29rem; }
}

/* ── Planos en SVG ──────────────────────────────────────── */
.plan { width: 100%; height: auto; overflow: visible; }
.plan-wall { stroke: var(--chalk); stroke-linecap: butt; fill: none; }
.plan-thin { stroke: var(--chalk); stroke-width: 1.5; fill: none; }
.plan-furn rect, .plan-furn circle { stroke: var(--chalk-3); stroke-width: 1.1; fill: none; opacity: 0.8; }
.plan-dim { stroke: var(--chalk-2); stroke-width: 1.1; }
.plan-tick { stroke: var(--chalk); stroke-width: 2; }
.plan-ground { stroke: var(--chalk); stroke-width: 2; }
.plan-cut { stroke: var(--chalk-2); stroke-width: 1.2; stroke-dasharray: 9 5 2 5; }
.plan-num { fill: var(--chalk-2); font-family: var(--mono); font-size: 11.5px; font-variant-numeric: tabular-nums; }
.plan-name { fill: var(--chalk); font-family: var(--font); font-size: 14px; font-weight: 600; }
.plan-name--s { font-size: 11.5px; }
.plan-path { stroke: var(--chalk-2); stroke-width: 1.3; fill: none; }
.plan-shot { stroke: var(--chalk); stroke-width: 1.3; fill: rgb(243 246 255 / 0.1); }
.plan-shot-dot { fill: var(--chalk); }
.plan-cone { fill: rgb(243 246 255 / 0.3); }
.plan-dot { fill: var(--chalk); }
.elev-splat circle { fill: var(--chalk); }

/* Los planos se trazan una vez, cuando entran en pantalla. */
.js [data-reveal] .plan .ink { stroke-dasharray: 1; stroke-dashoffset: 1; }
.js [data-reveal] .plan text,
.js [data-reveal] .plan .plan-shot-dot { opacity: 0; }
.js [data-reveal].is-in .plan .ink {
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 950ms var(--ease-out) calc(var(--i, 0) * 16ms);
}
.js [data-reveal].is-in .plan text,
.js [data-reveal].is-in .plan .plan-shot-dot { opacity: 1; transition: opacity 400ms ease calc(500ms + var(--i, 0) * 12ms); }
/* Los puntos del splat conservan su opacidad propia: solo se retrasa su aparición. */
.js [data-reveal] .plan .elev-splat circle { animation: dot-in 600ms ease 700ms both paused; }
.js [data-reveal].is-in .plan .elev-splat circle { animation-play-state: running; }
@keyframes dot-in { from { opacity: 0; } }

/* ── Herramientas ───────────────────────────────────────── */
.suite { display: grid; grid-template-columns: 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line-2); }
.tool { display: flex; flex-direction: column; gap: 0.7rem; padding: clamp(1.35rem, 2.3vw, 2.1rem); background: var(--blue); min-width: 0; }
.tool h3 { font-size: clamp(1.55rem, 1.2rem + 1.3vw, 2.3rem); font-stretch: 118%; font-weight: 640; letter-spacing: -0.02em; }
.tool p { max-width: 30rem; }
.tool .plan { margin-top: auto; padding-top: 1.25rem; }
@media (min-width: 900px) {
  .suite { grid-template-columns: repeat(12, 1fr); }
  .tool { min-height: 15rem; }
  .tool--captura { grid-column: span 7; grid-row: span 2; }
  .tool--alinea, .tool--modela { grid-column: span 5; }
  .tool--recorre, .tool--publica { grid-column: span 4; }
  .tool--mide { grid-column: span 8; grid-row: span 2; display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.5fr); grid-template-rows: auto 1fr; gap: 0.7rem 1.5rem; align-items: start; }
  .tool--mide .plan { margin: 0; padding: 0; grid-row: 1 / span 2; grid-column: 2; }
  .tool--mide h3 { grid-column: 1; }
  .tool--mide p { grid-column: 1; }
}

/* ── Sectores ───────────────────────────────────────────── */
.sectors { display: grid; gap: 2rem; }
.sectors__list { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.sectors__list button {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.05rem 0; border: 0; border-bottom: 1px solid var(--line); background: none; text-align: left;
  color: var(--chalk-3);
  font-size: clamp(1.25rem, 1rem + 1vw, 1.75rem); font-weight: 600; font-stretch: 112%; letter-spacing: -0.015em; line-height: 1.15;
  transition: color 220ms ease;
}
.sectors__list .icon { opacity: 0; transform: translateX(-8px); transition: opacity 220ms ease, transform 260ms var(--ease-out); }
.sectors__list button[aria-selected="true"] { color: var(--chalk); }
.sectors__list button[aria-selected="true"] .icon { opacity: 1; transform: none; }
@media (hover: hover) and (pointer: fine) { .sectors__list button:hover { color: var(--chalk); } }
.sectors__panel:not([hidden]) { animation: panel-in 320ms var(--ease-out); }
.sectors__panel .lead { max-width: 30rem; font-size: clamp(1.25rem, 1.05rem + 0.8vw, 1.6rem); line-height: 1.38; }
.sectors__panel h3 { margin-top: 2.25rem; font-size: 1rem; font-stretch: 104%; color: var(--chalk-2); font-weight: 500; }
.sectors__panel ul { margin-top: 0.6rem; display: flex; flex-wrap: wrap; gap: 0.5rem; }
.sectors__panel li { padding: 0.35rem 0.75rem; border: 1px solid var(--line-2); color: var(--chalk); font-weight: 500; font-size: 0.95rem; }
@keyframes panel-in { from { opacity: 0; transform: translateY(10px); } }
@media (min-width: 900px) {
  .sectors { grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(3rem, 7vw, 7rem); align-items: start; }
  .sectors__panels { padding-top: 1.1rem; }
}

/* ── Preguntas ──────────────────────────────────────────── */
.faq { display: grid; gap: 2.5rem; }
.faq__list { border-bottom: 1px solid var(--line); }
.faq details { border-top: 1px solid var(--line); }
.faq summary {
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
  padding: 1.3rem 0; list-style: none; cursor: pointer;
  color: var(--chalk); font-size: 1.14rem; font-weight: 600; font-stretch: 106%; line-height: 1.3;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .icon { transition: transform 240ms var(--ease-out); }
.faq details[open] summary .icon { transform: rotate(45deg); }
.faq details p { padding: 0 3rem 1.5rem 0; max-width: 40rem; }
@supports (interpolate-size: allow-keywords) {
  .faq details { interpolate-size: allow-keywords; }
  .faq details::details-content { block-size: 0; overflow: clip; opacity: 0; transition: block-size 340ms var(--ease-out), opacity 260ms ease, content-visibility 340ms allow-discrete; }
  .faq details[open]::details-content { block-size: auto; opacity: 1; }
}
@media (min-width: 900px) {
  .faq { grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: clamp(3rem, 7vw, 7rem); align-items: start; }
  .faq h2 { position: sticky; top: calc(var(--nav-h) + 2.5rem); }
}

/* ── Cierre ─────────────────────────────────────────────── */
.close h2 { font-size: clamp(2.2rem, 1.1rem + 4.2vw, 4.4rem); font-stretch: 116%; letter-spacing: -0.024em; line-height: 1; max-width: 14ch; }
.close p { margin-top: 1.4rem; max-width: 30rem; }
.close .actions { margin-top: 2.1rem; }

/* ── Pie: cajetín del plano ─────────────────────────────── */
.foot { padding-block: clamp(2.5rem, 5vw, 4rem) 2rem; border-top: 1px solid var(--line); }
.titleblock { display: grid; grid-template-columns: 1fr; border: 1px solid var(--line-2); }
.titleblock > div { padding: 1.35rem 1.4rem 1.5rem; border-top: 1px solid var(--line-2); min-width: 0; }
.titleblock > div:first-child { border-top: 0; }
.titleblock h2 { font-size: 0.86rem; font-weight: 500; font-stretch: 100%; letter-spacing: 0; color: var(--chalk-3); margin-bottom: 0.7rem; }
.titleblock p { font-size: 0.95rem; max-width: 24rem; }
.titleblock li + li { margin-top: 0.3rem; }
.titleblock a { color: var(--chalk); text-decoration: none; }
.titleblock a:hover { text-decoration: underline; }
.titleblock .nav__brand { margin-bottom: 0.9rem; font-size: 1.15rem; }
.foot__legal { margin-top: 1.25rem; font-size: 0.86rem; color: var(--chalk-3); max-width: none; display: flex; flex-wrap: wrap; gap: 0.4rem 2rem; justify-content: space-between; }
@media (min-width: 760px) {
  .titleblock { grid-template-columns: 1.6fr 1fr 1.2fr 1.5fr; }
  .titleblock > div { border-top: 0; border-left: 1px solid var(--line-2); }
  .titleblock > div:first-child { border-left: 0; }
}

/* ── Tecnología ─────────────────────────────────────────── */
.compare {
  --split: 50%;
  position: relative; aspect-ratio: 16 / 9; min-height: 20rem; overflow: hidden;
  border: 1px solid var(--line-2); touch-action: pan-y; cursor: ew-resize; user-select: none; -webkit-user-select: none;
}
.compare canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.compare__rule { position: absolute; top: 0; bottom: 0; left: var(--split); width: 1px; background: var(--chalk); pointer-events: none; }
.compare__grip {
  position: absolute; top: 50%; left: var(--split); width: 2.75rem; height: 2.75rem; transform: translate(-50%, -50%);
  display: grid; place-items: center; background: var(--chalk); color: var(--blue-ink); pointer-events: none;
  transition: transform 160ms var(--ease-out);
}
.compare.is-dragging .compare__grip { transform: translate(-50%, -50%) scale(0.94); }
.compare__grip svg { width: 1.3rem; height: 1.3rem; fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: square; }
.compare__tag { position: absolute; top: 1rem; padding: 0.3rem 0.7rem; background: var(--blue); border: 1px solid var(--line-2); color: var(--chalk); font-weight: 600; font-size: 0.9rem; pointer-events: none; }
.compare__tag--a { left: 1rem; }
.compare__tag--b { right: 1rem; }
.compare__range { position: absolute; left: 0; right: 0; bottom: 0; width: 100%; height: 2.75rem; margin: 0; opacity: 0; cursor: ew-resize; }
.compare__range:focus-visible { opacity: 1; accent-color: var(--chalk); }
.compare--nogl::after { content: "Tu navegador no pudo iniciar la vista 3D."; position: absolute; inset: 0; display: grid; place-items: center; padding: 2rem; text-align: center; }
.compare-note { margin-top: 1rem; font-size: 0.95rem; }

.process { display: grid; gap: 2.5rem; }
.process ol { border-bottom: 1px solid var(--line); }
.process li { display: grid; gap: 0.5rem 2rem; padding: 1.7rem 0; border-top: 1px solid var(--line); }
.process li p + p { margin-top: 0.6rem; color: var(--chalk); font-size: 0.97rem; }
@media (min-width: 900px) {
  .process { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: clamp(3rem, 6vw, 6rem); align-items: start; }
  .process__head { position: sticky; top: calc(var(--nav-h) + 2.5rem); }
  .process li { grid-template-columns: minmax(0, 2fr) minmax(0, 3fr); }
}
.process__head p { margin-top: 1.15rem; max-width: 26rem; }

.duo { display: grid; gap: 2.5rem; }
.duo > div { min-width: 0; }
.duo h3 { font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.1rem); font-stretch: 116%; }
.duo p { margin-top: 0.9rem; max-width: 30rem; }
.duo ul { margin-top: 1.3rem; display: grid; gap: 0.55rem; color: var(--chalk); }
.duo li { display: grid; grid-template-columns: 1.1rem 1fr; gap: 0.6rem; align-items: baseline; }
.duo li::before { content: ""; width: 0.5rem; height: 1px; background: var(--chalk); transform: translateY(-0.3em); }
@media (min-width: 800px) {
  .duo { grid-template-columns: 1fr 1fr; gap: 0; }
  .duo > div { padding-right: clamp(2rem, 5vw, 5rem); }
  .duo > div + div { padding-left: clamp(2rem, 5vw, 5rem); padding-right: 0; border-left: 1px solid var(--line); }
}
.duo--versus > div:first-child h3, .duo--versus > div:first-child ul { color: var(--chalk-3); }
.duo--versus > div:first-child li::before { background: var(--chalk-3); }

.specs { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line-2); }
.specs > div { padding: clamp(1.35rem, 2.3vw, 2rem); background: var(--blue); min-width: 0; }
.specs h3 { margin-bottom: 0.9rem; }
.specs ul { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-top: 1rem; }
.specs li { padding: 0.3rem 0.65rem; border: 1px solid var(--line-2); color: var(--chalk); font-size: 0.92rem; font-weight: 500; }
.specs li.num { font-size: 0.82rem; font-weight: 400; padding-block: 0.4rem; }
.specs-note { margin-top: 1rem; font-size: 0.9rem; color: var(--chalk-3); }
@media (min-width: 800px) { .specs { grid-template-columns: 1fr 1fr; } }

/* ── Nosotros ───────────────────────────────────────────── */
.statement { font-size: clamp(1.35rem, 1.05rem + 1.3vw, 2.05rem); line-height: 1.3; color: var(--chalk); font-weight: 500; font-stretch: 104%; letter-spacing: -0.012em; max-width: 24ch; }
.duo--mv h2 { font-size: clamp(1.05rem, 1rem + 0.3vw, 1.2rem); font-stretch: 106%; font-weight: 500; letter-spacing: 0; color: var(--chalk-2); margin-bottom: 1rem; }
.duo--mv .statement { max-width: 21ch; margin: 0; }
.values { border-bottom: 1px solid var(--line); }
.values li { display: grid; gap: 0.6rem 3rem; padding: clamp(1.6rem, 3vw, 2.4rem) 0; border-top: 1px solid var(--line); }
.values h3 { font-size: clamp(1.5rem, 1.15rem + 1.5vw, 2.4rem); font-stretch: 116%; font-weight: 640; letter-spacing: -0.02em; }
@media (min-width: 900px) { .values li { grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); align-items: baseline; } }
.crew { display: grid; gap: 2rem; }
.crew li { padding-top: 1.1rem; border-top: 1px solid var(--line-2); }
.crew p { margin-top: 0.6rem; font-size: 0.98rem; }
@media (min-width: 640px) { .crew { grid-template-columns: 1fr 1fr; gap: 2.5rem 2rem; } }
@media (min-width: 1040px) { .crew { grid-template-columns: repeat(4, 1fr); } }
.figure { margin-top: clamp(2.5rem, 6vw, 5rem); }
.figure figcaption { margin-top: 1rem; font-size: 0.9rem; color: var(--chalk-3); }

/* ── Contacto ───────────────────────────────────────────── */
.contact { display: grid; gap: 3.5rem; padding-bottom: var(--section); }
@media (min-width: 960px) { .contact { grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); gap: clamp(3rem, 7vw, 7rem); align-items: start; } }
.form { display: grid; gap: 1.35rem; }
.form__row { display: grid; gap: 1.35rem; }
@media (min-width: 620px) { .form__row { grid-template-columns: 1fr 1fr; } }
.field { display: grid; gap: 0.45rem; min-width: 0; }
.field label { color: var(--chalk); font-weight: 600; font-size: 0.97rem; }
.field label span { color: var(--chalk-3); font-weight: 400; }
.field input, .field select, .field textarea {
  width: 100%; min-height: 3rem; padding: 0.7rem 0.85rem;
  background: rgb(10 37 102 / 0.45); color: var(--chalk);
  border: 1px solid var(--line-2); border-radius: 0; outline-offset: 2px;
  transition: border-color 180ms ease, background-color 180ms ease;
}
.field select { appearance: none; -webkit-appearance: none; padding-right: 2.5rem; background-image: linear-gradient(45deg, transparent 50%, var(--chalk) 50%), linear-gradient(135deg, var(--chalk) 50%, transparent 50%); background-position: calc(100% - 1.15rem) 50%, calc(100% - 0.8rem) 50%; background-size: 0.36rem 0.36rem; background-repeat: no-repeat; }
.field select option { background: var(--blue-ink); color: var(--chalk); }
.field textarea { min-height: 9rem; resize: vertical; line-height: 1.5; }
.field input::placeholder, .field textarea::placeholder { color: var(--chalk-3); opacity: 1; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--chalk); background-color: rgb(10 37 102 / 0.7); }
.field [aria-invalid="true"] { border-color: var(--chalk); border-width: 2px; }
.field__help { font-size: 0.88rem; color: var(--chalk-3); }
.field__error { font-size: 0.9rem; color: var(--chalk); font-weight: 600; min-height: 0; }
.form__status { font-size: 0.97rem; color: var(--chalk); }
.form__status:empty { display: none; }
.aside h2 { font-size: clamp(1.35rem, 1.15rem + 0.8vw, 1.75rem); }
.aside ol { margin-top: 1.4rem; counter-reset: paso; border-bottom: 1px solid var(--line); }
.aside ol li { counter-increment: paso; display: grid; grid-template-columns: 2rem 1fr; gap: 0.25rem 0.5rem; padding: 1.1rem 0; border-top: 1px solid var(--line); }
.aside ol li::before { content: counter(paso); font-family: var(--mono); font-size: 0.85rem; color: var(--chalk); padding-top: 0.2rem; }
.aside ol h3 { font-size: 1.06rem; }
.aside ol p { grid-column: 2; font-size: 0.97rem; }
.aside__direct { margin-top: 2rem; }
.aside__direct a { color: var(--chalk); font-weight: 600; }

/* ── Visor ──────────────────────────────────────────────── */
.viewer { position: relative; height: calc(100dvh - var(--nav-h)); min-height: 31rem; overflow: hidden; border-bottom: 1px solid var(--line); }
.viewer__scene { position: absolute; inset: 0; transition: opacity 170ms ease, filter 170ms ease; }
.viewer__scene.is-jumping { opacity: 0; filter: blur(6px); }
.viewer canvas { width: 100%; height: 100%; touch-action: none; outline: none; cursor: grab; opacity: 0; transition: opacity 500ms ease; }
.viewer--ready canvas { opacity: 1; }
.viewer--locked canvas { cursor: none; }
.viewer__hud { position: absolute; inset: 0; pointer-events: none; z-index: var(--z-scene-ui); }
.viewer__hud > * { position: absolute; pointer-events: auto; }
.viewer__place { top: 1rem; left: var(--gutter); max-width: calc(100% - 2 * var(--gutter)); padding: 0.35rem 0.7rem 0.45rem; background: var(--blue); border: 1px solid var(--line-2); pointer-events: none; }
.viewer__place h1 { font-size: clamp(1rem, 0.9rem + 0.8vw, 1.5rem); font-stretch: 110%; letter-spacing: -0.012em; line-height: 1.15; }
.viewer__place p { font-family: var(--mono); font-size: 0.8rem; color: var(--chalk); font-variant-numeric: tabular-nums; }
.seg { display: flex; border: 1px solid var(--line-2); background: var(--blue); }
.seg button {
  min-height: 2.75rem; padding: 0 0.8rem; border: 0; border-left: 1px solid var(--line-2); background: none; color: var(--chalk);
  font-weight: 600; font-size: 0.92rem; white-space: nowrap;
  transition: background-color 180ms ease, color 180ms ease, transform 160ms var(--ease-out);
}
.seg button:first-child { border-left: 0; }
.seg button:active { transform: scale(0.97); }
.seg button[aria-pressed="true"] { background: var(--chalk); color: var(--blue-ink); }
@media (hover: hover) and (pointer: fine) { .seg button:not([aria-pressed="true"]):hover { background: rgb(243 246 255 / 0.13); } }
.viewer__modes { top: 4.5rem; left: var(--gutter); }
.viewer__go { left: 0; right: 0; top: 7.9rem; padding: 0 var(--gutter); display: flex; gap: 0.5rem; overflow-x: auto; scrollbar-width: none; pointer-events: none; }
.viewer__go::-webkit-scrollbar { display: none; }
.viewer__go .seg { flex: none; pointer-events: auto; }
.viewer__map { right: var(--gutter); bottom: 1rem; width: 7.5rem; padding: 0.35rem; background: var(--blue-deep); border: 1px solid var(--line-2); pointer-events: none; }
.viewer__map .plan-wall { stroke-width: 12; }
.viewer__map .plan-thin { stroke-width: 3; }
.viewer__map .plan-furn { display: none; }
.viewer__hint { display: none; left: var(--gutter); bottom: 1rem; font-size: 0.85rem; color: var(--chalk); background: var(--blue); padding: 0.3rem 0.6rem; border: 1px solid var(--line); pointer-events: none; }
.viewer__stick { position: absolute; width: 6rem; height: 6rem; margin: -3rem 0 0 -3rem; border: 1px solid var(--line-2); border-radius: 50%; opacity: 0; pointer-events: none; transition: opacity 160ms ease; z-index: 2; }
.viewer__stick.is-on { opacity: 1; }
.viewer__stick span { position: absolute; inset: 1.75rem; border-radius: 50%; background: var(--chalk); }
.viewer--maqueta .viewer__map { opacity: 0.35; }
.viewer__intro {
  position: absolute; inset: 0; z-index: calc(var(--z-scene-ui) + 1); display: grid; place-items: center; padding: 5rem var(--gutter) 2rem;
  background: rgb(13 49 130 / 0.74);
}
.viewer__card { width: min(100%, 31rem); }
.viewer__card h2 { font-size: clamp(2rem, 1.3rem + 3vw, 3.2rem); font-stretch: 116%; }
.viewer__card > p { margin-top: 1rem; }
.viewer__keys { margin-top: 1.5rem; display: grid; gap: 0.55rem; color: var(--chalk); }
.viewer__keys li { display: grid; grid-template-columns: 8.5rem 1fr; gap: 1rem; align-items: baseline; font-size: 0.97rem; }
.viewer__keys kbd { font-family: var(--mono); font-size: 0.8rem; color: var(--chalk-2); }
.viewer__keys .for-fine { display: none; }
.viewer__card .btn { margin-top: 1.8rem; }
.viewer__card small { display: block; margin-top: 1.1rem; font-size: 0.86rem; color: var(--chalk-3); }
.viewer--nogl .viewer__card h2::after { content: " (no disponible)"; }
@media (hover: hover) and (pointer: fine) {
  .viewer__keys .for-fine { display: grid; }
  .viewer__keys .for-touch { display: none; }
  .viewer--live .viewer__hint { display: block; }
}
@media (min-width: 900px) {
  .viewer__place { top: 1.4rem; }
  .viewer__modes { top: 1.4rem; left: auto; right: var(--gutter); }
  .viewer__go { top: auto; bottom: 1.4rem; justify-content: center; }
  .viewer__map { right: auto; left: var(--gutter); bottom: 1.4rem; width: clamp(10rem, 15vw, 13.5rem); padding: 0.5rem; }
  .viewer__hint { left: auto; right: var(--gutter); bottom: 1.4rem; }
}
.after-viewer p + p { margin-top: 1rem; }
.after-viewer .actions { margin-top: 2rem; }

/* ── 404 ────────────────────────────────────────────────── */
.lost { min-height: calc(100dvh - var(--nav-h) - 16rem); display: grid; align-content: center; padding-block: 5rem; }
.lost p { margin-top: 1.3rem; }
.lost .actions { margin-top: 2rem; }

/* ── Movimiento reducido: sin desplazamientos, solo opacidad ── */
@media (prefers-reduced-motion: reduce) {
  ::view-transition-group(*), ::view-transition-old(*), ::view-transition-new(*) { animation: none !important; }
  html { scroll-behavior: auto; }
  .btn, .btn .icon, .seg button, .nav__toggle span, .compare__grip { transition-duration: 0.01ms; }
  .btn:active, .seg button:active { transform: none; }
  .menu { transition: none; }
  .sectors__panel:not([hidden]) { animation-name: fade-in; }
  .js [data-reveal] .plan .ink { stroke-dasharray: none; stroke-dashoffset: 0; }
  .js [data-reveal].is-in .plan .ink { transition: none; }
  .js [data-reveal] .plan .elev-splat circle { animation-delay: 0s; }
  .viewer__scene { transition: opacity 170ms ease; }
  .viewer__scene.is-jumping { filter: none; }
}
@keyframes fade-in { from { opacity: 0; } }
::view-transition-old(root) { animation-duration: 160ms; }
::view-transition-new(root) { animation-duration: 260ms; }