/* 2477 — Centro de Interpretación de la Montaña, Farellones */

:root {
  --ink:        #0A0B0C;
  --ink-2:      #111315;
  --paper:      #EFEBE4;
  --paper-dim:  rgba(239, 235, 228, 0.58);
  --paper-faint:rgba(239, 235, 228, 0.30);
  --rule:       rgba(239, 235, 228, 0.13);
  --rule-soft:  rgba(239, 235, 228, 0.07);
  --accent:     #C8A06A;
  --accent-dim: rgba(200, 160, 106, 0.55);

  --sans: system-ui, -apple-system, "Segoe UI Variable Display", "Segoe UI", Inter, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", "SF Mono", Consolas, "Liberation Mono", monospace;

  /* Sensibilidad del scroll. Es la unica perilla: multiplica el alto de
     todas las secciones animadas a la vez. Mas alto = hay que rodar mas
     para avanzar lo mismo, o sea menos sensible. 1 = como estaba antes. */
  --scroll-escala: 1.6;

  --gutter: clamp(1.5rem, 5vw, 6rem);
  --maxw: 1500px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  background: var(--ink);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  font-size: clamp(1rem, 0.92rem + 0.3vw, 1.16rem);
  line-height: 1.62;
  font-weight: 350;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--accent); color: var(--ink); }

/* ---------------------------------------------------------------- tipografía */

.label {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--paper-faint);
  display: block;
}

.label--accent { color: var(--accent-dim); }

h1, h2, h3 { font-weight: 300; letter-spacing: -0.022em; line-height: 1.06; }

h2 {
  font-size: clamp(2rem, 1.1rem + 3.4vw, 4.2rem);
  max-width: 17ch;
}

h3 {
  font-size: clamp(1.15rem, 1rem + 0.7vw, 1.6rem);
  letter-spacing: -0.01em;
  line-height: 1.2;
}

p { max-width: 36em; color: var(--paper-dim); }
p + p { margin-top: 1.1em; }
p strong { color: var(--paper); font-weight: 450; }

.lede {
  font-size: clamp(1.1rem, 1rem + 0.55vw, 1.45rem);
  line-height: 1.5;
  color: var(--paper);
  font-weight: 300;
  max-width: 30em;
}

.note {
  font-family: var(--mono);
  font-size: 0.72rem;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--paper-faint);
  max-width: 44em;
}

/* ---------------------------------------------------------------- estructura */

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }

section { position: relative; }

.band {
  padding: clamp(6rem, 14vh, 12rem) 0;
  border-top: 1px solid var(--rule-soft);
}

.band--tight { padding: clamp(4rem, 8vh, 7rem) 0; }
.band--flush { border-top: none; }

.head { margin-bottom: clamp(2.5rem, 6vh, 5rem); }
.head .label { margin-bottom: 1.6rem; }
.head h2 + .lede { margin-top: 1.8rem; }

.cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 5vw, 5rem);
}

@media (min-width: 900px) {
  .cols--2 { grid-template-columns: 1fr 1fr; }
  .cols--wide-left { grid-template-columns: 1.35fr 1fr; }
  .cols--narrow-left { grid-template-columns: 0.85fr 1.15fr; }
}

/* ---------------------------------------------------------------- portada */

.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(1.5rem, 4vh, 3rem) 0 clamp(1.5rem, 4vh, 2.5rem);
  position: relative;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 80% at 50% 100%, rgba(200,160,106,0.10), transparent 60%),
    linear-gradient(180deg, var(--ink) 0%, rgba(10,11,12,0.55) 45%, var(--ink) 100%);
}

.hero__inner { position: relative; z-index: 2; }

.hero__mark {
  font-size: clamp(5.5rem, 22vw, 20rem);
  font-weight: 200;
  letter-spacing: -0.05em;
  line-height: 0.82;
  font-variant-numeric: tabular-nums;
}

.hero__title {
  font-size: clamp(1.1rem, 0.9rem + 1vw, 2rem);
  font-weight: 300;
  letter-spacing: -0.01em;
  margin-top: 1.2rem;
  max-width: 20ch;
}

.hero__claim {
  margin-top: 2.2rem;
  max-width: 30em;
  color: var(--paper-dim);
}

.hero__foot {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 2rem;
  flex-wrap: wrap;
}

.scrollcue {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.scrollcue__line {
  width: 1px;
  height: 48px;
  background: linear-gradient(180deg, var(--paper-faint), transparent);
  animation: cue 2.4s var(--ease) infinite;
  transform-origin: top;
}

@keyframes cue {
  0%, 100% { transform: scaleY(0.3); opacity: 0.3; }
  50%      { transform: scaleY(1);   opacity: 1; }
}

/* ---------------------------------------------------------------- llegada
   Descenso continuo: vista de Santiago desde Farellones que se convierte,
   sin corte, en la llegada al terreno. Dos capas con movimiento propio.  */

.cine { position: relative; height: calc(1040vh * var(--scroll-escala)); }

.cine__sticky {
  position: sticky;
  top: 0;
  height: 100svh;
  overflow: hidden;
  background: var(--ink);
}

.cine__layer {
  position: absolute;
  inset: 0;
  will-change: transform, opacity;
  transform-origin: 50% 58%;
  pointer-events: none;
}

.cine__layer img,
.cine__layer video,
.cine__layer canvas {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  position: relative;
  z-index: 1;
}

.cine__layer[data-layer="seq"] { opacity: 0; }
.cine__layer img[data-failed],
.cine__layer video[data-failed] { display: none; }

.cine__slot {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.9rem;
  text-align: center;
  padding: 2rem;
  background:
    repeating-linear-gradient(135deg, rgba(239,235,228,0.02) 0 1px, transparent 1px 11px),
    linear-gradient(170deg, #14171A 0%, #0A0B0C 75%);
}

.cine__slot .label { color: var(--accent-dim); }
.cine__slot p { font-family: var(--mono); font-size: 0.74rem; color: var(--paper-faint); max-width: 40ch; line-height: 1.6; }

.cine__grade {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(58% 46% at 50% 46%, rgba(10,11,12,0.60) 0%, rgba(10,11,12,0.26) 58%, rgba(10,11,12,0) 100%),
    linear-gradient(180deg, rgba(10,11,12,0.52) 0%, rgba(10,11,12,0.06) 30%, rgba(10,11,12,0.12) 60%, rgba(10,11,12,0.90) 100%);
}

.cine__eyebrow {
  position: absolute;
  top: clamp(1.5rem, 4vh, 3rem);
  left: 0; right: 0;
  text-align: center;
  z-index: 3;
  will-change: opacity;
}

/* La direccion va sobre el atardecer, que es claro y de bajo contraste:
   sin peso propio y sin sombra se perdia contra el cielo.             */
.cine__eyebrow .label {
  color: var(--paper);
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  text-shadow: 0 1px 18px rgba(10,11,12,0.95), 0 0 46px rgba(10,11,12,0.85);
}

.cine__title {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 var(--gutter);
  will-change: transform, opacity;
}

.cine__mark {
  font-size: clamp(2.8rem, 12.5vw, 11rem);
  font-weight: 200;
  letter-spacing: -0.03em;
  line-height: 0.92;
  white-space: nowrap;
  text-shadow: 0 0 90px rgba(10,11,12,0.8);
}

.cine__rule {
  display: block;
  width: clamp(46px, 7vw, 92px);
  height: 1px;
  background: var(--accent-dim);
  margin-top: clamp(1.3rem, 3vh, 2.1rem);
}

.cine__sub {
  display: block;
  margin-top: clamp(1.1rem, 2.6vh, 1.7rem);
  font-size: clamp(0.68rem, 0.58rem + 0.42vw, 1rem);
  font-weight: 300;
  letter-spacing: 0.42em;
  text-indent: 0.42em;
  text-transform: uppercase;
  color: var(--paper-dim);
  text-shadow: 0 0 40px rgba(10,11,12,0.9);
}

/* Frase que acompaña el vuelo sobre la cordillera */

.cine__frase {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 var(--gutter);
  opacity: 0;
  will-change: transform, opacity;
  background: radial-gradient(48% 34% at 50% 50%, rgba(10,11,12,0.58) 0%, rgba(10,11,12,0) 100%);
}

.cine__frase p {
  font-size: clamp(1.45rem, 1rem + 2.3vw, 3rem);
  font-weight: 200;
  line-height: 1.24;
  letter-spacing: -0.02em;
  color: var(--paper);
  max-width: 28ch;
  text-wrap: balance;
  text-shadow: 0 0 60px rgba(10,11,12,0.92);
}

.cine__frase em { font-style: normal; color: var(--accent); }

/* Los dos tiempos de texto sobre la imagen detenida del edificio */

.cine__beat {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 var(--gutter);
  opacity: 0;
  will-change: transform, opacity;
  background: radial-gradient(52% 38% at 50% 50%, rgba(10,11,12,0.64) 0%, rgba(10,11,12,0) 100%);
}

.cine__beat .label { margin-bottom: clamp(1.1rem, 2.4vh, 1.6rem); }

.cine__beat p {
  font-weight: 200;
  line-height: 1.18;
  letter-spacing: -0.025em;
  color: var(--paper);
  text-wrap: balance;
  text-shadow: 0 0 60px rgba(10,11,12,0.92);
}

.cine__beat--1 p { font-size: clamp(1.4rem, 1rem + 2vw, 2.7rem); max-width: 24ch; }
.cine__beat--2 p { font-size: clamp(1.85rem, 1.15rem + 3.1vw, 4rem); max-width: 24ch; }
.cine__beat--2 .cine__sub { margin-top: clamp(1.3rem, 3vh, 2.1rem); }

.cine__cue {
  position: absolute;
  bottom: clamp(1.5rem, 4vh, 2.5rem);
  left: 0; right: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.7rem;
  will-change: opacity;
}

.cine__ficha {
  position: absolute;
  inset: 0;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  will-change: transform, opacity;
}

.cine__ficha .wrap { width: 100%; }
.cine__ficha .label { margin-bottom: 2.2rem; }

.cine__ficha ul {
  list-style: none;
  border-top: 1px solid var(--rule);
  max-width: 40ch;
}

.cine__ficha li {
  font-size: clamp(1.1rem, 0.9rem + 1.1vw, 2rem);
  font-weight: 300;
  letter-spacing: -0.015em;
  line-height: 1.25;
  padding: clamp(0.9rem, 2vh, 1.5rem) 0;
  border-bottom: 1px solid var(--rule);
}

.cine__ficha .note { margin-top: 2rem; }

.cine__disclaimer {
  position: absolute;
  right: clamp(0.9rem, 2vw, 2rem);
  bottom: clamp(0.9rem, 2vw, 1.6rem);
  z-index: 4;
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(239,235,228,0.45);
  will-change: opacity;
}

/* ---------------------------------------------------------------- el problema
   Título, dos frases de temporada, y tres puntos que aparecen grandes
   uno a uno y se van acomodando en columna.                            */

.prob { position: relative; height: calc(720vh * var(--scroll-escala)); }

.prob__sticky {
  position: sticky;
  top: 0;
  height: 100svh;
  overflow: hidden;
}

.prob__titulo,
.prob__linea,
.prob__card {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0 var(--gutter);
  transform-origin: 50% 50%;
  will-change: transform, opacity;
}

.prob__titulo {
  text-align: center;
}

.prob__titulo h2 {
  font-size: clamp(2.6rem, 7.5vw, 6.5rem);
  font-weight: 200;
  letter-spacing: -0.035em;
  line-height: 1;
  max-width: none;
  margin: 0 auto;
}

.prob__linea { text-align: center; opacity: 0; }

.prob__linea .label { margin-bottom: clamp(1.1rem, 2.6vh, 1.7rem); }

.prob__linea p {
  font-size: clamp(1.4rem, 1rem + 2.1vw, 2.9rem);
  font-weight: 200;
  line-height: 1.26;
  letter-spacing: -0.025em;
  color: var(--paper);
  max-width: none;
  margin: 0 auto;
}

.prob__linea em { font-style: normal; color: var(--accent); }

.prob__card { opacity: 0; }
.prob__box { width: min(620px, 86vw); text-align: left; }

.prob__n {
  display: block;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  color: var(--accent);
  padding-bottom: clamp(0.7rem, 1.6vh, 1rem);
  border-bottom: 1px solid var(--rule);
  margin-bottom: clamp(1.2rem, 2.6vh, 1.8rem);
}

.prob__card h3 {
  font-size: clamp(1.35rem, 1rem + 1.35vw, 2.4rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  margin-bottom: clamp(0.9rem, 2vh, 1.3rem);
}

.prob__card p {
  font-size: clamp(1.15rem, 0.9rem + 0.95vw, 1.65rem);
  line-height: 1.44;
  color: var(--paper-dim);
  max-width: none;
}

.prob__card p + p { margin-top: 0.85em; color: var(--paper); }

.prob__nota {
  position: absolute;
  left: 0; right: 0;
  bottom: clamp(1.6rem, 4vh, 3rem);
  margin: 0 auto;
  padding: 0 var(--gutter);
  text-align: center;
  max-width: 62ch;
  opacity: 0;
  will-change: opacity;
}

@media (max-width: 979px) {
  .prob { height: auto; }
  .prob__sticky { position: relative; height: auto; overflow: visible; padding: clamp(5rem, 12vh, 8rem) 0; }
  .prob__titulo,
  .prob__linea,
  .prob__card,
  .prob__nota {
    position: relative;
    left: auto; right: auto; top: auto; bottom: auto;
    width: auto;
    opacity: 1 !important;
    transform: none !important;
    text-align: left;
    padding: 0 var(--gutter);
    margin: 0 0 clamp(3rem, 8vh, 5rem);
  }
  .prob__nota { margin-bottom: 0; max-width: none; }
}

/* ---------------------------------------------------------------- escenas sticky */

.scene { position: relative; }
.scene--tall { height: calc(340vh * var(--scroll-escala)); }
.scene--mid  { height: calc(260vh * var(--scroll-escala)); }

.scene__sticky {
  position: sticky;
  top: 0;
  height: 100svh;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.scene__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.scene__veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(90deg, rgba(10,11,12,0.92) 0%, rgba(10,11,12,0.55) 45%, rgba(10,11,12,0.15) 100%);
  pointer-events: none;
}

.scene__content { position: absolute; inset: 0; z-index: 2; }

.scene__step {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  pointer-events: none;
}

.scene__step.is-on { opacity: 1; transform: none; }

.scene__stepwrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); width: 100%; }

/* ---------------------------------------------------------------- media */

.media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--ink-2);
  border: 1px solid var(--rule);
  overflow: hidden;
}

.media--tall { aspect-ratio: 4 / 5; }
.media--wide { aspect-ratio: 21 / 9; }

.media img,
.media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  position: relative;
  z-index: 1;
}

.media img[data-failed] { display: none; }

.media__slot {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 0.5rem;
  padding: clamp(1rem, 2.5vw, 2rem);
  background:
    repeating-linear-gradient(135deg, rgba(239,235,228,0.022) 0 1px, transparent 1px 9px),
    linear-gradient(160deg, rgba(200,160,106,0.05), transparent 70%);
}

.media__slot .label { color: var(--accent-dim); }
.media__slot p { font-family: var(--mono); font-size: 0.72rem; color: var(--paper-faint); max-width: 42ch; line-height: 1.55; }

.caption {
  margin-top: 0.9rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  color: var(--paper-faint);
}

/* ---------------------------------------------------------------- dibujos */

.dwg { width: 100%; height: auto; display: block; color: var(--paper); }
.dwg .site   { fill: rgba(200,160,106,0.09); stroke: var(--accent); stroke-width: 1.2; }
.dwg .mass   { fill: rgba(239,235,228,0.055); stroke: rgba(239,235,228,0.5); stroke-width: 1; }
.dwg .plaza  { fill: rgba(239,235,228,0.028); stroke: rgba(239,235,228,0.28); stroke-width: 1; }
.dwg .ln     { fill: none; stroke: rgba(239,235,228,0.45); stroke-width: 1; }
.dwg .ln-dash{ fill: none; stroke: rgba(239,235,228,0.38); stroke-width: 1; stroke-dasharray: 5 4; }
.dwg .ln-road{ fill: none; stroke: rgba(239,235,228,0.14); stroke-width: 12; stroke-linecap: round; }
.dwg .ln-wall{ fill: none; stroke: var(--paper); stroke-width: 4.5; stroke-linecap: round; }
.dwg .ln-acc { fill: none; stroke: var(--accent); stroke-width: 1.4; }
.dwg .hatch  { fill: none; stroke: var(--accent-dim); stroke-width: 1.2; }
.dwg .dot    { fill: rgba(239,235,228,0.6); }
.dwg text {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  fill: rgba(239,235,228,0.62);
}
.dwg text.t-key { font-size: 12.5px; fill: var(--paper); letter-spacing: 0.03em; }
.dwg text.t-acc { fill: var(--accent); }

.figure { margin: 0; }
.figure figcaption {
  margin-top: 1rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  color: var(--paper-faint);
  line-height: 1.6;
}

/* ---------------------------------------------------------------- datos */

.data {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  border-top: 1px solid var(--rule);
}

.data__item {
  padding: 1.6rem 1.4rem 1.6rem 0;
  border-bottom: 1px solid var(--rule);
}

.data__n {
  font-size: clamp(1.5rem, 1.1rem + 1.3vw, 2.4rem);
  font-weight: 250;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.data__n small { font-size: 0.45em; letter-spacing: 0; color: var(--paper-dim); margin-left: 0.25em; }
.data__k { margin-top: 0.7rem; }

/* ---------------------------------------------------------------- listas */

.steps { counter-reset: step; border-top: 1px solid var(--rule); }

.steps__i {
  counter-increment: step;
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: clamp(1rem, 3vw, 2.5rem);
  padding: clamp(1.5rem, 3vh, 2.4rem) 0;
  border-bottom: 1px solid var(--rule);
  align-items: start;
}

@media (min-width: 900px) {
  .steps__i { grid-template-columns: 3.5rem 15rem 1fr; }
}

.steps__i::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--accent-dim);
  padding-top: 0.4em;
}

.steps__i h3 { margin-bottom: 0.5rem; }
@media (min-width: 900px) { .steps__i h3 { margin-bottom: 0; } }
.steps__i p { font-size: 0.96em; }

.doors { display: grid; gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
@media (min-width: 820px) { .doors { grid-template-columns: repeat(3, 1fr); } }

.door { background: var(--ink); padding: clamp(1.6rem, 3vw, 2.4rem); }
.door__n {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--accent);
  display: block;
  margin-bottom: 1.4rem;
}
.door h3 { margin-bottom: 0.8rem; }
.door p { font-size: 0.92em; }
.door__tag {
  display: inline-block;
  margin-top: 1.2rem;
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.4em 0.8em;
  border: 1px solid var(--rule);
  color: var(--paper-dim);
}
.door__tag--free { border-color: var(--accent-dim); color: var(--accent); }

.rooms { display: grid; gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
@media (min-width: 700px)  { .rooms { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1150px) { .rooms { grid-template-columns: repeat(5, 1fr); } }

.room { background: var(--ink); padding: clamp(1.4rem, 2.4vw, 2rem); display: flex; flex-direction: column; }
.room__d { font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.12em; color: var(--accent-dim); margin-bottom: 1.2rem; }
.room h3 { font-size: 1.15rem; margin-bottom: 0.9rem; }
.room ul { list-style: none; margin-top: auto; padding-top: 1rem; }
.room li {
  font-size: 0.82rem;
  color: var(--paper-dim);
  padding: 0.32em 0;
  border-top: 1px solid var(--rule-soft);
}

.reel { display: grid; gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
@media (min-width: 640px)  { .reel { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .reel { grid-template-columns: repeat(4, 1fr); } }
.reel__i { background: var(--ink); padding: 1.3rem; font-size: 0.88rem; color: var(--paper-dim); }
.reel__i span { display: block; font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.12em; color: var(--accent-dim); margin-bottom: 0.7rem; }

/* ---------------------------------------------------------------- etapas */

.phases { border-top: 1px solid var(--rule); }

.phase {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem clamp(1.5rem, 4vw, 3.5rem);
  padding: clamp(2rem, 4vh, 3rem) 0;
  border-bottom: 1px solid var(--rule);
}

@media (min-width: 900px) { .phase { grid-template-columns: 9rem 1fr 20rem; align-items: start; } }

.phase__k { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.14em; color: var(--accent); padding-top: 0.35em; }
.phase h3 { margin-bottom: 0.7rem; }
.phase__meta { border-left: 1px solid var(--rule); padding-left: clamp(1rem, 2vw, 1.6rem); }
.phase__meta dl { display: grid; grid-template-columns: 1fr auto; gap: 0.55rem 1rem; font-family: var(--mono); font-size: 0.72rem; }
.phase__meta dt { color: var(--paper-faint); letter-spacing: 0.06em; }
.phase__meta dd { color: var(--paper); text-align: right; font-variant-numeric: tabular-nums; }

/* ---------------------------------------------------------------- impacto / ask */

.impact { display: grid; gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
@media (min-width: 700px)  { .impact { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .impact { grid-template-columns: repeat(3, 1fr); } }
.impact__i { background: var(--ink); padding: clamp(1.5rem, 2.6vw, 2.2rem); }
.impact__i h3 { font-size: 1.1rem; margin-bottom: 0.8rem; }
.impact__i p { font-size: 0.9em; }

.asks { border-top: 1px solid var(--paper-faint); }
.ask {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: clamp(1rem, 3vw, 2rem);
  padding: clamp(1.6rem, 3vh, 2.4rem) 0;
  border-bottom: 1px solid var(--rule);
  align-items: start;
}
.ask__n { font-family: var(--mono); font-size: 0.72rem; color: var(--accent); padding-top: 0.4em; }
.ask h3 { margin-bottom: 0.5rem; }
.ask p { font-size: 0.94em; }

.pull {
  font-size: clamp(1.4rem, 1rem + 2vw, 2.6rem);
  font-weight: 250;
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--paper);
  max-width: 22ch;
}

.pull em { font-style: normal; color: var(--accent); }

/* ---------------------------------------------------------------- rail */

.rail {
  position: fixed;
  left: clamp(0.9rem, 2vw, 1.8rem);
  top: 50%;
  transform: translateY(-50%);
  z-index: 60;
  display: none;
  flex-direction: column;
  gap: 0.75rem;
}

@media (min-width: 1100px) { .rail { display: flex; } }

.rail a {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--paper-faint);
  transition: background 0.35s var(--ease), width 0.35s var(--ease);
  position: relative;
}

.rail a:hover, .rail a.is-on { background: var(--accent); width: 34px; }

.rail a span {
  position: absolute;
  left: 44px;
  top: 50%;
  transform: translateY(-50%) translateX(-6px);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--paper-dim);
  opacity: 0;
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
  pointer-events: none;
}

.rail a:hover span, .rail a.is-on span { opacity: 1; transform: translateY(-50%); }

.progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  background: var(--accent);
  z-index: 70;
  width: 0;
}

/* ---------------------------------------------------------------- revelado */

.rv { opacity: 0; transform: translateY(26px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }
.rv.is-in { opacity: 1; transform: none; }
.rv-1 { transition-delay: 0.08s; }
.rv-2 { transition-delay: 0.16s; }
.rv-3 { transition-delay: 0.24s; }

/* ---------------------------------------------------------------- cierre */

.end { padding: clamp(6rem, 16vh, 14rem) 0 clamp(3rem, 8vh, 6rem); text-align: left; }
.end__mark { font-size: clamp(4rem, 16vw, 14rem); font-weight: 200; letter-spacing: -0.05em; line-height: 0.85; }
.colophon {
  margin-top: clamp(4rem, 10vh, 8rem);
  padding-top: 1.6rem;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

/* ---------------------------------------------------------------- accesibilidad */

.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .rv { opacity: 1; transform: none; }
  .cine { height: auto; }
  .cine__sticky { position: relative; height: 70svh; }
  .cine__layer { opacity: 1 !important; transform: none !important; }
  .cine__layer[data-layer="0"] { z-index: 1; }
  .cine__title, .cine__disclaimer, .cine__eyebrow, .cine__ficha, .cine__frase, .cine__beat { opacity: 1 !important; transform: none !important; }
  .cine__cue { display: none; }
  .scene--tall, .scene--mid { height: auto; }
  .scene__sticky { position: relative; height: auto; padding: 6rem 0; display: block; }
  .scene__content { position: relative; inset: auto; }
  .scene__step { position: relative; opacity: 1; transform: none; padding: 3rem 0; }
}

@media print {
  body { background: #fff; color: #000; }
  .rail, .progress, .scrollcue { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .prob { height: auto; }
  .prob__sticky { position: relative; height: auto; overflow: visible; padding: clamp(5rem, 12vh, 8rem) 0; }
  .prob__titulo, .prob__linea, .prob__card, .prob__nota {
    position: relative; inset: auto; width: auto;
    opacity: 1 !important; transform: none !important;
    align-items: flex-start; text-align: left;
    margin: 0 0 clamp(3rem, 8vh, 5rem);
  }
  .prob__nota { margin-bottom: 0; max-width: none; }
}

.media--sitio { aspect-ratio: 1168 / 942; }

/* ---------------------------------------------------------------- planos */

.dwg .muro    { fill: rgba(239,235,228,0.07); stroke: var(--paper); stroke-width: 2.6; stroke-linejoin: round; }
.dwg .tabique { fill: none; stroke: rgba(239,235,228,0.52); stroke-width: 1.6; }
.dwg .mueble  { fill: rgba(239,235,228,0.13); stroke: rgba(239,235,228,0.42); stroke-width: 0.8; }
.dwg .artef   { fill: rgba(239,235,228,0.20); stroke: rgba(239,235,228,0.45); stroke-width: 0.7; }
.dwg .puerta  { fill: none; stroke: rgba(239,235,228,0.60); stroke-width: 0.9; }
.dwg .ruta    { fill: none; stroke: var(--accent); stroke-width: 1.8; stroke-dasharray: 8 6; stroke-linecap: round; }
.dwg .cota    { fill: none; stroke: rgba(239,235,228,0.38); stroke-width: 0.7; }
.dwg .t-sm    { font-size: 9.5px; fill: rgba(239,235,228,0.5); }

.planos-leyenda {
  display: grid; gap: 1px; background: var(--rule); border: 1px solid var(--rule);
  margin-top: clamp(1.5rem, 3vh, 2.5rem);
}
@media (min-width: 760px)  { .planos-leyenda { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1100px) { .planos-leyenda { grid-template-columns: repeat(5, 1fr); } }
.planos-leyenda div { background: var(--ink); padding: 1rem 1.2rem; }
.planos-leyenda dt { font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.14em; color: var(--accent-dim); margin-bottom: 0.5rem; }
.planos-leyenda dd { font-size: 0.92rem; color: var(--paper); }
.planos-leyenda dd span { display: block; font-size: 0.8rem; color: var(--paper-faint); font-family: var(--mono); margin-top: 0.25rem; }
.dwg .vista { fill: none; stroke: var(--accent); stroke-width: 0.6; stroke-dasharray: 3 4; opacity: 0.5; }
.dwg .condor  { fill: rgba(200,160,106,0.30); stroke: var(--accent); stroke-width: 0.8; }
.dwg .ambito  { fill: none; stroke: var(--accent-dim); stroke-width: 0.7; stroke-dasharray: 5 5; }
.dwg .vidrio  { fill: none; stroke: rgba(133,183,235,0.75); stroke-width: 2.2; }

/* ---------------------------------------------------------------- entrada a los baños */

.nar { position: relative; height: calc(900vh * var(--scroll-escala)); }

.nar__sticky {
  position: sticky;
  top: 0;
  height: 100svh;
  overflow: hidden;
  background: var(--ink);
}

.nar__sticky canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }

.nar__grade {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(56% 42% at 50% 48%, rgba(10,11,12,0.62) 0%, rgba(10,11,12,0.24) 60%, rgba(10,11,12,0) 100%),
    linear-gradient(180deg, rgba(10,11,12,0.55) 0%, rgba(10,11,12,0.10) 30%, rgba(10,11,12,0.14) 62%, rgba(10,11,12,0.88) 100%);
}

.nar__t {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 var(--gutter);
  opacity: 0;
  will-change: transform, opacity;
}

.nar__t .label { margin-bottom: clamp(1.1rem, 2.4vh, 1.6rem); }

/* Rotulos grandes que abren cada tramo: el pasillo y los baños */
.nar__mark {
  font-size: clamp(2.4rem, 1rem + 7vw, 7rem) !important;
  font-weight: 200;
  letter-spacing: 0.16em !important;
  text-indent: 0.16em;
  text-transform: uppercase;
  line-height: 1.04 !important;
  max-width: none !important;
  white-space: nowrap;
  text-shadow: 0 0 80px rgba(10,11,12,0.95), 0 0 30px rgba(10,11,12,0.9);
}

.nar__rule {
  display: block;
  width: clamp(52px, 9vw, 120px);
  height: 1px;
  background: var(--accent-dim);
  margin-top: clamp(1.4rem, 3vh, 2.2rem);
}

.nar__t p {
  font-size: clamp(1.5rem, 1rem + 2.4vw, 3.2rem);
  font-weight: 200;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--paper);
  max-width: 22ch;
  text-wrap: balance;
  text-shadow: 0 0 60px rgba(10,11,12,0.92);
}

.nar__t em { font-style: normal; color: var(--accent); }

.nar__t .sub {
  margin-top: clamp(1.2rem, 2.6vh, 1.9rem);
  font-size: clamp(0.95rem, 0.85rem + 0.5vw, 1.25rem);
  font-weight: 300;
  line-height: 1.5;
  letter-spacing: 0;
  color: var(--paper-dim);
  max-width: 36ch;
  text-shadow: 0 0 40px rgba(10,11,12,0.9);
}

@media (prefers-reduced-motion: reduce) {
  .nar { height: auto; }
  .nar__sticky { position: relative; height: auto; overflow: visible; padding: clamp(4rem,10vh,7rem) 0; }
  .nar__sticky canvas { display: none; }
  .nar__t {
    position: relative; inset: auto; opacity: 1 !important; transform: none !important;
    align-items: flex-start; text-align: left; margin-bottom: clamp(2.5rem,6vh,4rem);
  }
}

/* ---------------------------------------------------------------- salida
   La portada al reves: se sale del museo, se retrocede por la calle y se
   vuela de espaldas hasta el atardecer. El video queda debajo y la
   secuencia se apaga encima para entregarle la imagen al final.       */

.fin { position: relative; height: calc(1120vh * var(--scroll-escala)); }

.fin__sticky {
  position: sticky;
  top: 0;
  height: 100svh;
  overflow: hidden;
  background: #000;
}

.fin__video, .fin__seq { position: absolute; inset: 0; }
.fin__video video { width: 100%; height: 100%; object-fit: cover; display: block; }
.fin__video video[data-failed] { display: none; }
.fin__seq canvas { width: 100%; height: 100%; display: block; }

.fin__grade {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    radial-gradient(60% 46% at 50% 50%, rgba(10,11,12,0.42) 0%, rgba(10,11,12,0.12) 62%, rgba(10,11,12,0) 100%),
    linear-gradient(180deg, rgba(10,11,12,0.58) 0%, rgba(10,11,12,0.06) 30%, rgba(10,11,12,0.10) 58%, rgba(10,11,12,0.86) 100%);
}

.fin__t {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 var(--gutter);
  opacity: 0;
  will-change: transform, opacity;
}

.fin__t p {
  font-size: clamp(1.45rem, 0.95rem + 2.3vw, 3.1rem);
  font-weight: 200;
  line-height: 1.18;
  letter-spacing: -0.025em;
  color: var(--paper);
  max-width: 24ch;
  text-wrap: balance;
  text-shadow: 0 0 70px rgba(10,11,12,0.95), 0 2px 30px rgba(10,11,12,0.85);
}

.fin__t em { font-style: normal; color: var(--accent); }

/* Las frases de conclusion van sin bajada y a mayor tamaño: son el
   remate del documento, no un pie de imagen.                        */
.fin__t--grande p {
  font-size: clamp(1.9rem, 1rem + 4.2vw, 4.9rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  max-width: 20ch;
}

/* Nube oscura: el vuelo satelital tiene zonas claras y el texto se perdia */
.fin__t::before,
.fin__cierre::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: min(170vw, 1600px);
  height: min(96vh, 820px);
  transform: translate(-50%, -50%);
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(50% 50% at 50% 50%,
    rgba(6,7,8,0.88) 0%,
    rgba(6,7,8,0.70) 38%,
    rgba(6,7,8,0.36) 64%,
    rgba(6,7,8,0) 100%);
}

.fin__t .sub {
  margin-top: clamp(1.2rem, 2.6vh, 1.9rem);
  font-size: clamp(0.92rem, 0.85rem + 0.45vw, 1.16rem);
  font-weight: 300;
  line-height: 1.55;
  letter-spacing: 0;
  color: var(--paper-dim);
  max-width: 42ch;
  text-shadow: 0 0 40px rgba(10,11,12,0.95);
}

/* El remate sobre el atardecer */
.fin__cierre {
  position: absolute;
  inset: 0;
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 var(--gutter);
  opacity: 0;
  will-change: transform, opacity;
}

.fin__cierre .label { margin-bottom: clamp(1.4rem, 3vh, 2.2rem); }

.fin__frase {
  font-size: clamp(1.9rem, 1rem + 4.4vw, 5.2rem);
  font-weight: 200;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--paper);
  max-width: 22ch;
  text-wrap: balance;
  text-shadow: 0 0 90px rgba(10,11,12,0.9), 0 2px 40px rgba(10,11,12,0.8);
}

.fin__frase em { font-style: normal; color: var(--accent); }

.fin__rule {
  display: block;
  width: clamp(52px, 9vw, 120px);
  height: 1px;
  background: var(--accent-dim);
  margin-top: clamp(1.6rem, 3.4vh, 2.6rem);
}

.fin__pie {
  margin-top: clamp(1.3rem, 2.8vh, 2rem);
  font-size: clamp(0.9rem, 0.84rem + 0.4vw, 1.12rem);
  font-weight: 300;
  line-height: 1.55;
  color: var(--paper-dim);
  max-width: 44ch;
  text-shadow: 0 0 40px rgba(10,11,12,0.95);
}

@media (prefers-reduced-motion: reduce) {
  .fin { height: auto; }
  .fin__sticky { position: relative; height: auto; overflow: visible; padding: clamp(4rem,10vh,7rem) 0; }
  .fin__seq, .fin__video, .fin__grade { display: none; }
  .fin__t, .fin__cierre {
    position: relative; inset: auto; opacity: 1 !important; transform: none !important;
    align-items: flex-start; text-align: left; margin-bottom: clamp(2.5rem,6vh,4rem);
  }
}

/* ---------------------------------------------------------------- carrusel
   Scroll horizontal con anclaje. overflow-y queda visible para que la rueda
   vertical siga moviendo la pagina: si esto atrapara el scroll, la
   presentacion se quedaria pegada aqui. overscroll-behavior-x evita que al
   llegar al extremo el gesto se propague al historial del navegador.    */

.carro {
  position: relative;
  margin-top: clamp(2.5rem, 6vh, 4rem);
  /* Ancho de la tarjeta central; el motor lee esta misma medida.
     El tercer termino la acota por altura: 16:9 a 104vh de ancho da 58vh
     de alto, y asi la leyenda de abajo nunca queda fuera de pantalla en
     un proyector apaisado.                                            */
  --carro-w: min(74vw, 1180px, 104vh);
}

/* La pista no usa scroll nativo: el scroll nativo no puede dar la vuelta.
   Cada tarjeta se posiciona por transformacion desde el centro, y el motor
   calcula su distancia circular al centro para escalarla y atenuarla.   */
.carro__pista {
  position: relative;
  height: calc(var(--carro-w) * 9 / 16);
  overflow: hidden;
  touch-action: pan-y;          /* el gesto vertical sigue siendo de la pagina */
  cursor: grab;
  user-select: none;
}

.carro__pista.is-arrastrando { cursor: grabbing; }

.carro__i {
  position: absolute;
  top: 0;
  left: 50%;
  width: var(--carro-w);
  margin-left: calc(var(--carro-w) / -2);
  will-change: transform, opacity;
}

.carro__media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--ink-2);
  border: 1px solid var(--rule);
  overflow: hidden;
}

.carro__media video,
.carro__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.carro__media img { z-index: 1; }
.carro__media video { z-index: 2; }
.carro__media video[data-failed],
.carro__media img[data-failed] { display: none; }

/* La tarjeta central se despega del resto con un filete y una sombra */
.carro__i.is-centro .carro__media {
  border-color: var(--accent-dim);
  box-shadow: 0 30px 90px rgba(0,0,0,0.55);
}

.carro__pend {
  position: absolute;
  z-index: 3;
  left: 0;
  bottom: 0;
  padding: 0.5rem 0.8rem;
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper-faint);
  background: linear-gradient(90deg, rgba(10,11,12,0.88), rgba(10,11,12,0));
  padding-right: 3rem;
}

/* Variante de producto: son recortes con transparencia, asi que no llevan
   marco ni encuadre. Flotan sobre el fondo y se ven completos, no cortados.
   El ancho se acota por altura a 78vh porque la caja es 4:3 y no 16:9.   */
.carro--souv { --carro-w: min(58vw, 820px, 78vh); }

.carro--souv .carro__pista { height: calc(var(--carro-w) * 3 / 4); }

.carro--souv .carro__media {
  aspect-ratio: 4 / 3;
  background: transparent;
  border: 0;
  overflow: visible;
}

.carro--souv .carro__media img {
  object-fit: contain;
  filter: drop-shadow(0 24px 44px rgba(0,0,0,0.62));
}

/* Halo tenue detras del producto centrado, para despegarlo del fondo */
.carro--souv .carro__i.is-centro .carro__media::before {
  content: '';
  position: absolute;
  inset: -6%;
  z-index: 0;
  background: radial-gradient(58% 52% at 50% 52%, rgba(200,160,106,0.11), rgba(200,160,106,0) 72%);
  pointer-events: none;
}

.carro--souv .carro__i.is-centro .carro__media {
  border: 0;
  box-shadow: none;
}

/* Variante de sala. El tope por altura es 84vh porque la imagen es 3:2 y
   84 × 2/3 da 56vh: asi la lamina entera y las flechas caben juntas en
   pantalla, sin tener que rodar para llegar a los controles.         */
.carro--sala { --carro-w: min(78vw, 1350px, 84vh); }

.carro--sala .carro__pista { height: calc(var(--carro-w) * 2 / 3); }

.carro--sala .carro__media { aspect-ratio: 3 / 2; }

/* Las flechas van a los costados de la lamina, no debajo de la leyenda:
   asi se ven siempre junto a la imagen, sin depender de cuanto ocupe el
   texto ni del alto de la pantalla.                                   */
.carro--sala { position: relative; }

.carro--sala .carro__ctrl {
  position: absolute;
  top: calc(var(--carro-w) / 3);        /* mitad del alto de la pista */
  left: 0;
  right: 0;
  transform: translateY(-50%);
  justify-content: space-between;
  padding: 0 clamp(0.6rem, 2.5vw, 2.5rem);
  z-index: 5;
  pointer-events: none;
}

.carro--sala .carro__b {
  pointer-events: auto;
  width: 52px;
  height: 52px;
  background: rgba(10,11,12,0.55);
  backdrop-filter: blur(6px);
  border-color: var(--rule);
  color: var(--paper);
}

.carro--sala .carro__b:hover { background: rgba(10,11,12,0.8); border-color: var(--accent-dim); color: var(--accent); }
.carro--sala .carro__b svg { width: 20px; height: 20px; }

/* Los puntos salieron del bloque de flechas y viven en el pie, al lado de
   la leyenda: si quedaran dentro heredarian el posicionamiento absoluto y
   se montarian sobre el texto.                                         */
.carro--sala .carro__puntos { align-self: flex-end; padding-bottom: 0.4rem; }

.carro__pie {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: clamp(1.5rem, 4vw, 3rem);
  padding: clamp(1.8rem, 4vh, 2.8rem) var(--gutter) 0;
}

.carro__leyenda { max-width: 62ch; transition: opacity 0.3s var(--ease); }

.carro__leyenda h3 {
  margin: 0.75rem 0 0.7rem;
  font-size: clamp(1.2rem, 0.95rem + 0.9vw, 1.9rem);
}

.carro__leyenda p {
  color: var(--paper-dim);
  font-size: clamp(0.92rem, 0.86rem + 0.3vw, 1.08rem);
}

.carro__ctrl {
  display: flex;
  align-items: center;
  gap: 1.1rem;
}

.carro__b {
  flex: none;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 50%;
  color: var(--paper-dim);
  cursor: pointer;
  transition: border-color 0.35s var(--ease), color 0.35s var(--ease);
}

.carro__b svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.4; }

.carro__b:hover { border-color: var(--accent-dim); color: var(--accent); }
.carro__b:focus-visible { outline: 1px solid var(--accent); outline-offset: 3px; }

.carro__puntos { display: flex; gap: 0.55rem; }

.carro__p {
  width: 26px;
  height: 2px;
  background: var(--rule);
  cursor: pointer;
  transition: background 0.4s var(--ease);
}

.carro__p.is-on { background: var(--accent); }

@media (max-width: 720px) {
  .carro { --carro-w: min(88vw, 104vh); }
  .carro__pie { flex-direction: column; align-items: flex-start; }
}

/* Sin movimiento: las cuatro en columna, todas legibles y sin transformar */
@media (prefers-reduced-motion: reduce) {
  .carro__pista {
    height: auto;
    overflow: visible;
    display: grid;
    gap: clamp(1.5rem, 4vh, 2.5rem);
    padding: 0 var(--gutter);
    cursor: default;
  }
  .carro__i {
    position: relative;
    left: auto;
    top: auto;
    width: 100%;
    margin-left: 0;
    transform: none !important;
    opacity: 1 !important;
  }
  .carro__ctrl, .carro__leyenda { display: none; }
}

/* ---------------------------------------------------------------- cine imax
   Arranca en negro absoluto, aparece el rotulo y recien despues corre la
   secuencia. El negro es una capa propia por encima del lienzo: asi el
   primer cuadro ya esta dibujado cuando el negro se levanta.            */

.imax { position: relative; height: calc(1600vh * var(--scroll-escala)); }

/* La tienda lleva cinco textos y no cuatro: necesita algo mas de recorrido */
#tienda { height: calc(1040vh * var(--scroll-escala)); }

.imax__sticky {
  position: sticky;
  top: 0;
  height: 100svh;
  overflow: hidden;
  background: var(--ink);
}

.imax__sticky canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }

.imax__grade {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(62% 46% at 50% 50%, rgba(10,11,12,0.50) 0%, rgba(10,11,12,0.18) 62%, rgba(10,11,12,0) 100%),
    linear-gradient(180deg, rgba(10,11,12,0.62) 0%, rgba(10,11,12,0.08) 32%, rgba(10,11,12,0.12) 60%, rgba(10,11,12,0.90) 100%);
}

/* El telon de sala: negro pleno sobre todo lo demas */
.imax__negro {
  position: absolute;
  inset: 0;
  z-index: 4;
  background: #000;
  pointer-events: none;
}

.imax__titulo {
  position: absolute;
  inset: 0;
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 var(--gutter);
  opacity: 0;
  will-change: transform, opacity;
}

/* Rotulo de cine: versalitas anchas y peso fino. Sin fuentes externas,
   el caracter cinematografico lo da el interletrado, no la tipografia. */
.imax__mark {
  display: block;
  font-size: clamp(1.9rem, 8.2vw, 7.2rem);
  font-weight: 200;
  letter-spacing: 0.30em;
  text-indent: 0.30em;
  text-transform: uppercase;
  line-height: 1.04;
  white-space: nowrap;
  color: var(--paper);
  text-shadow: 0 0 70px rgba(200,160,106,0.20), 0 0 24px rgba(10,11,12,0.9);
}

.imax__rule {
  display: block;
  width: clamp(52px, 9vw, 128px);
  height: 1px;
  background: var(--accent-dim);
  margin-top: clamp(1.4rem, 3.2vh, 2.3rem);
}

.imax__sub {
  display: block;
  margin-top: clamp(1.1rem, 2.6vh, 1.7rem);
  font-size: clamp(0.66rem, 0.56rem + 0.42vw, 0.98rem);
  font-weight: 300;
  letter-spacing: 0.40em;
  text-indent: 0.40em;
  text-transform: uppercase;
  color: var(--paper-dim);
}

.imax__t {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  text-align: center;
  padding: 0 var(--gutter) clamp(3rem, 9vh, 6.5rem);
  opacity: 0;
  will-change: transform, opacity;
}

.imax__t .label { margin-bottom: clamp(1rem, 2.2vh, 1.5rem); }

.imax__t p {
  font-size: clamp(1.4rem, 0.95rem + 2.2vw, 3rem);
  font-weight: 200;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--paper);
  max-width: 24ch;
  text-wrap: balance;
  text-shadow: 0 0 60px rgba(10,11,12,0.95), 0 2px 30px rgba(10,11,12,0.8);
}

.imax__t em { font-style: normal; color: var(--accent); }

.imax__t .sub {
  margin-top: clamp(1.1rem, 2.4vh, 1.8rem);
  font-size: clamp(0.92rem, 0.84rem + 0.45vw, 1.18rem);
  font-weight: 300;
  line-height: 1.5;
  letter-spacing: 0;
  color: var(--paper-dim);
  max-width: 40ch;
  text-shadow: 0 0 40px rgba(10,11,12,0.95);
}

.imax__disclaimer {
  position: absolute;
  z-index: 5;
  left: 50%;
  bottom: clamp(1rem, 2.4vh, 1.8rem);
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper-faint);
  white-space: nowrap;
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  .imax { height: auto; }
  .imax__sticky { position: relative; height: auto; overflow: visible; padding: clamp(4rem,10vh,7rem) 0; }
  .imax__sticky canvas, .imax__negro, .imax__grade { display: none; }
  .imax__titulo, .imax__t {
    position: relative; inset: auto; opacity: 1 !important; transform: none !important;
    align-items: flex-start; text-align: left; padding-bottom: 0;
    margin-bottom: clamp(2.5rem,6vh,4rem);
  }
  .imax__disclaimer { position: relative; left: auto; bottom: auto; transform: none; }
}

/* ---------------------------------------------------------------- galería del museo */

/* Solo la entrada al museo: los paneles pasaron al carrusel de al lado */
.gal { position: relative; height: calc(520vh * var(--scroll-escala)); }

.gal__sticky {
  position: sticky;
  top: 0;
  height: 100svh;
  overflow: hidden;
  background: var(--ink);
}

.gal__capa {
  position: absolute;
  inset: 0;
  opacity: 0;
  will-change: transform, opacity;
  transform-origin: 50% 50%;
}

.gal__capa img { width: 100%; height: 100%; display: block; }
.gal__capa[data-fit="cover"] img { object-fit: cover; }
.gal__capa[data-fit="contain"] { padding: clamp(1.5rem,4vh,3rem) clamp(1.5rem,5vw,6rem) clamp(11rem,34vh,19rem); }
.gal__capa[data-fit="contain"] img { object-fit: contain; }
.gal__capa img[data-failed] { display: none; }

.gal__grade {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(10,11,12,0.50) 0%, rgba(10,11,12,0.05) 26%, rgba(10,11,12,0.10) 55%, rgba(10,11,12,0.92) 100%);
}

.gal__t {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 var(--gutter);
  opacity: 0;
  will-change: transform, opacity;
}

/* Nube oscura detras del texto. Los paneles del museo son claros y de
   mucho detalle: la sombra sola no alcanzaba para sostener la lectura. */
.gal__t::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: min(160vw, 1500px);
  height: min(90vh, 760px);
  transform: translate(-50%, -50%);
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(50% 50% at 50% 50%,
    rgba(6,7,8,0.90) 0%,
    rgba(6,7,8,0.74) 38%,
    rgba(6,7,8,0.40) 64%,
    rgba(6,7,8,0) 100%);
}

.gal__t--pie { justify-content: flex-end; padding-bottom: clamp(2.5rem,7vh,5rem); }

.gal__t .label { margin-bottom: clamp(0.9rem,2vh,1.4rem); }

.gal__t p {
  font-size: clamp(1.5rem, 1rem + 2.4vw, 3.2rem);
  font-weight: 200;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--paper);
  max-width: 22ch;
  text-wrap: balance;
  text-shadow: 0 0 60px rgba(10,11,12,0.92);
}

.gal__t em { font-style: normal; color: var(--accent); }

/* El remate del museo: la frase que cierra el argumento va mas grande */
.gal__t--grande p {
  font-size: clamp(2.1rem, 1rem + 4.6vw, 5.4rem);
  line-height: 1.06;
  letter-spacing: -0.03em;
  max-width: 18ch;
}

.gal__t .sub {
  margin-top: clamp(1rem,2.4vh,1.7rem);
  font-size: clamp(0.95rem, 0.85rem + 0.5vw, 1.25rem);
  font-weight: 300;
  line-height: 1.5;
  letter-spacing: 0;
  color: var(--paper-dim);
  max-width: 40ch;
  text-shadow: 0 0 40px rgba(10,11,12,0.9);
}

.gal__marca {
  font-size: clamp(2.6rem, 11vw, 9rem) !important;
  font-weight: 200;
  letter-spacing: -0.035em;
  line-height: 0.95;
  max-width: none !important;
  text-transform: uppercase;
}

.gal__rule { display: block; width: clamp(46px,7vw,92px); height: 1px; background: var(--accent-dim); margin-top: clamp(1.2rem,2.8vh,2rem); }

.gal__sub {
  display: block;
  margin-top: clamp(1rem,2.4vh,1.6rem);
  font-size: clamp(0.68rem,0.58rem+0.42vw,1rem);
  font-weight: 300;
  letter-spacing: 0.34em;
  text-indent: 0.34em;
  text-transform: uppercase;
  color: var(--paper-dim);
}

@media (prefers-reduced-motion: reduce) {
  .gal { height: auto; }
  .gal__sticky { position: relative; height: auto; overflow: visible; padding: clamp(4rem,10vh,7rem) 0; }
  .gal__capa { position: relative; inset: auto; opacity: 1 !important; transform: none !important; padding: 0 var(--gutter); margin-bottom: 2rem; }
  .gal__capa img { height: auto; }
  .gal__t { position: relative; inset: auto; opacity: 1 !important; transform: none !important;
    align-items: flex-start; text-align: left; margin-bottom: clamp(2.5rem,6vh,4rem); }
}
.gal__capa canvas { width: 100%; height: 100%; display: block; }