/* ============================================================================
   RED FIBER TELECOMS · v2 — mundo "casa despiezada / alta montaña"
   Verde pino y pizarra para la estructura, blanco nieve como base,
   naranja de rescate como único color que grita.
   Tokens al principio: cambia aquí y cambia toda la web.
   ========================================================================= */

:root {
  /* --- estructura: la piedra y el pino ---------------------------------- */
  --pino:      #0E1A16;
  --pino-2:    #16261F;
  --pizarra:   #2F4F43;
  --pizarra-2: #43665A;

  /* --- base: la nieve --------------------------------------------------- */
  --nieve:     #F7F9F7;
  --nieve-2:   #EDF1EE;
  --nieve-3:   #DFE6E1;

  /* --- línea técnica ---------------------------------------------------- */
  --linea:     #C8D3CC;
  --linea-2:   #AEBDB4;

  /* --- rescate: el único acento ---------------------------------------- */
  --rescate:   #FF5A1F;
  --rescate-2: #E84810;
  --rescate-w: #FFEDE5;

  /* --- tinta ------------------------------------------------------------ */
  --tinta:       #0E1A16;
  --tinta-2:     #4C5C54;   /* 6,4:1 sobre nieve */
  --tinta-3:     #6B7A72;   /* 4,6:1 sobre nieve */
  --sobre-osc:   #EEF3EF;
  --sobre-osc-2: #A8B8AE;

  /* --- medida (los números del medidor) -------------------------------- */
  --fosforo: #7BE8A8;

  /* --- tipografía ------------------------------------------------------- */
  --display: "Familjen Grotesk", ui-sans-serif, system-ui, sans-serif;
  --texto:   "Satoshi", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --mono:    ui-monospace, "Cascadia Mono", "Segoe UI Mono", Consolas, monospace;

  --t-hero: clamp(2.5rem, 7vw, 6rem);
  --t-h2:   clamp(1.9rem, 4.2vw, 3.4rem);
  --t-h3:   clamp(1.35rem, 2.2vw, 1.9rem);
  --t-lead: clamp(1.05rem, 1.35vw, 1.3rem);
  --t-lab:  0.6875rem;

  /* --- medidas ---------------------------------------------------------- */
  --wrap: 1280px;
  --gut:  clamp(20px, 4.5vw, 60px);
  --sec:  clamp(80px, 11vw, 160px);
  --hdr:  72px;

  --r-sm: 8px; --r-md: 16px; --r-lg: 26px; --r-pill: 999px;
  --sh-1: 0 1px 2px rgba(14,26,22,.06), 0 10px 26px -12px rgba(14,26,22,.16);
  --sh-2: 0 2px 6px -2px rgba(14,26,22,.08), 0 28px 56px -22px rgba(14,26,22,.26);

  --ease-out: cubic-bezier(.23, 1, .32, 1);
  --ease-io:  cubic-bezier(.77, 0, .175, 1);
}

/* ================================ BASE ================================== */

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--hdr) + 14px);
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--nieve);
  color: var(--tinta);
  font-family: var(--texto);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
@media (min-width: 900px) { body { font-size: 1.125rem; } }

h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--display);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.028em;
  text-wrap: balance;
}
p, ul, ol, dl, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; -webkit-tap-highlight-color: transparent; }

/* rotulación técnica: mono para etiquetas y medidas, no de adorno */
.lab {
  font-family: var(--mono);
  font-size: var(--t-lab);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-variant-numeric: tabular-nums;
}

/* superficies del navegador */
::selection { background: var(--rescate); color: #fff; }
:root { accent-color: var(--rescate); caret-color: var(--rescate-2); }
:where(a, button, summary):focus-visible {
  outline: 3px solid var(--tinta); outline-offset: 3px; border-radius: 3px;
}
.oscuro :where(a, button, summary):focus-visible { outline-color: var(--rescate); }
html { scrollbar-color: var(--linea-2) var(--nieve); scrollbar-width: thin; }
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--nieve); }
::-webkit-scrollbar-thumb {
  background: var(--linea-2); border: 3px solid var(--nieve); border-radius: var(--r-pill);
}

.salta {
  position: fixed; top: 10px; left: 10px; z-index: 300;
  padding: 10px 18px; border-radius: var(--r-pill);
  background: var(--rescate); color: #fff; font-weight: 700; text-decoration: none;
  transform: translateY(-180%); transition: transform .2s var(--ease-out);
}
.salta:focus-visible { transform: none; }

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gut); }
.h2 { font-size: var(--t-h2); }

/* =============================== BOTONES ================================ */

.btn {
  --y: 15px; --x: 26px;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: var(--y) var(--x);
  border: 2px solid transparent; border-radius: var(--r-pill);
  font: 700 1.0625rem/1.15 var(--texto); letter-spacing: -0.01em;
  text-decoration: none; white-space: nowrap; cursor: pointer;
  transition: transform .16s var(--ease-out), box-shadow .16s var(--ease-out),
              background-color .16s ease, border-color .16s ease, color .16s ease;
}
.btn--lg { --y: 18px; --x: 34px; font-size: 1.125rem; }
.btn--sm { --y: 10px; --x: 18px; font-size: 0.9375rem; }
.btn svg { width: 20px; height: 20px; flex: none; }

.btn--tel {
  background: var(--rescate); color: #fff;
  box-shadow: 0 2px 0 var(--rescate-2), 0 14px 28px -14px rgba(232,72,16,.6);
}
.btn--wa    { background: var(--pino); color: var(--sobre-osc); }
.btn--linea { background: transparent; color: var(--tinta); border-color: var(--linea-2); }
.oscuro .btn--linea { color: var(--sobre-osc); border-color: #3C554A; }

@media (hover: hover) and (pointer: fine) {
  .btn--tel:hover {
    transform: translateY(-2px);
    box-shadow: 0 2px 0 var(--rescate-2), 0 20px 36px -16px rgba(232,72,16,.7);
  }
  .btn--wa:hover    { transform: translateY(-2px); box-shadow: var(--sh-1); }
  .btn--linea:hover { border-color: var(--tinta); transform: translateY(-2px); }
  .oscuro .btn--linea:hover { border-color: var(--sobre-osc); }
}
.btn:active { transform: translateY(0) scale(.985); }

/* =============================== CABECERA =============================== */

.top {
  position: fixed; inset: 0 0 auto; z-index: 200;
  border-bottom: 1px solid transparent;
  transition: background-color .25s ease, border-color .25s ease, transform .3s var(--ease-out);
}
.top.pegada {
  background: rgba(247,249,247,.9);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border-bottom-color: var(--linea);
}
.top.oculta { transform: translateY(-100%); }
.top-in {
  display: flex; align-items: center; gap: clamp(16px, 3vw, 40px);
  min-height: var(--hdr);
  width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gut);
}

.marca { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; }
.marca svg { width: 34px; height: 32px; flex: none; color: var(--rescate); }
.marca b {
  display: block; font-family: var(--display); font-weight: 700;
  font-size: 1.0625rem; letter-spacing: -0.02em; line-height: 1.05;
}
.marca span { display: block; color: var(--tinta-3); }

.nav { display: flex; gap: clamp(14px, 2vw, 30px); margin-left: auto; }
.nav a { position: relative; padding-block: 6px; text-decoration: none; font-weight: 500; font-size: 0.9688rem; }
.nav a::after {
  content: ""; position: absolute; inset: auto 0 0; height: 2px;
  background: var(--rescate); transform: scaleX(0); transform-origin: left;
  transition: transform .24s var(--ease-out);
}
@media (hover: hover) and (pointer: fine) { .nav a:hover::after { transform: scaleX(1); } }
.nav a.aqui::after { transform: scaleX(1); }

.top .btn { flex: none; }
@media (max-width: 900px) { .nav { display: none; } .top .btn--wa { display: none; } }

/* barra de llamada fija en móvil: en este negocio la conversión es el teléfono */
.barra {
  position: fixed; inset: auto 0 0; z-index: 190;
  display: none; gap: 8px;
  padding: 10px calc(var(--gut) / 1.5) calc(10px + env(safe-area-inset-bottom));
  background: rgba(14,26,22,.94);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
}
.barra .btn { flex: 1; }
@media (max-width: 700px) { .barra { display: flex; } body { padding-bottom: 78px; } }

/* ================================= HERO ================================= */

.hero {
  position: relative;
  padding-block: calc(var(--hdr) + clamp(36px, 6vw, 80px)) clamp(40px, 6vw, 90px);
  overflow: clip;
}
/* curvas de nivel: el mapa topográfico del valle, muy tenue */
.hero::before {
  content: ""; position: absolute; inset: -10% -20% auto; height: 130%;
  background:
    radial-gradient(60% 45% at 78% 30%, rgba(47,79,67,.07) 0 40%, transparent 72%),
    radial-gradient(48% 36% at 88% 62%, rgba(255,90,31,.06) 0 40%, transparent 70%);
  pointer-events: none;
}
.hero-in { position: relative; z-index: 1; display: grid; gap: clamp(32px, 5vw, 64px); }
@media (min-width: 1040px) {
  .hero-in { grid-template-columns: minmax(0, 1fr) minmax(420px, 48%); align-items: center; }
}

.hero h1 { font-size: var(--t-hero); letter-spacing: -0.035em; }
.hero h1 .ln { display: block; }
.hero h1 em { font-style: normal; color: var(--rescate); }
.hero__p {
  margin-top: clamp(20px, 2.6vw, 30px); max-width: 44ch;
  font-size: var(--t-lead); color: var(--tinta-2);
}
.hero__p b { color: var(--tinta); font-weight: 700; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: clamp(26px, 3.4vw, 38px); }

.hero__zona {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px;
  margin-top: clamp(28px, 3.4vw, 40px); padding-top: 20px;
  border-top: 1px solid var(--linea);
  color: var(--tinta-3);
}
.hero__zona .lab { color: var(--tinta-2); }
.hero__zona i { font-style: normal; color: var(--linea-2); }

/* la reserva de espacio evita el salto cuando entra el SVG */
.casa-hueco { position: relative; }
.casa-hueco svg { width: 100%; height: auto; overflow: visible; }

/* ============================ EL DESPIECE =============================== */

.despiece { position: relative; padding-block: var(--sec) 0; }
.despiece__head { display: grid; gap: 16px; margin-bottom: clamp(28px, 4vw, 48px); }
.despiece__head p { max-width: 52ch; color: var(--tinta-2); font-size: var(--t-lead); }

.despiece__pin { position: relative; }
.despiece__grid { display: grid; gap: clamp(28px, 4vw, 56px); align-items: center; }
@media (min-width: 1000px) {
  .despiece__grid { grid-template-columns: minmax(0, 1.05fr) minmax(300px, 380px); }
}

/* las capas: cada una es un servicio con su sitio físico en la casa */
.capas { display: grid; gap: 10px; align-content: center; }
.capa {
  display: grid; grid-template-columns: auto 1fr; gap: 4px 14px;
  padding: 16px 18px;
  background: var(--nieve);
  border: 1px solid var(--linea);
  border-radius: var(--r-md);
  cursor: default;
  transition: border-color .22s ease, box-shadow .22s var(--ease-out),
              background-color .22s ease, transform .22s var(--ease-out);
}
.capa__n {
  grid-row: span 2; align-self: start;
  display: grid; place-items: center;
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--nieve-3); color: var(--tinta-2);
  font-family: var(--mono); font-size: 0.75rem; font-weight: 700;
  transition: background-color .22s ease, color .22s ease;
}
.capa__t { font-family: var(--display); font-weight: 700; font-size: 1.0625rem; letter-spacing: -0.02em; }
.capa__d { color: var(--tinta-3); font-size: 0.9063rem; }
.capa.activa, .capa:hover {
  border-color: var(--rescate); background: var(--rescate-w);
  box-shadow: var(--sh-1); transform: translateX(4px);
}
.capa.activa .capa__n, .capa:hover .capa__n { background: var(--rescate); color: #fff; }

/* ============================ QUÉ ARREGLAMOS ============================ */

.arreglos { padding-block: var(--sec); background: var(--nieve-2); }
.arreglos__head { max-width: 62ch; margin-bottom: clamp(32px, 5vw, 60px); display: grid; gap: 16px; }
.arreglos__head p { color: var(--tinta-2); font-size: var(--t-lead); }

/* Lista editorial, no rejilla de casillas: el titular es la frase del cliente */
.fallos { border-top: 1px solid var(--linea-2); }
.fallo {
  position: relative; isolation: isolate;
  display: grid; gap: 6px 40px;
  padding-block: clamp(24px, 3.2vw, 38px);
  border-bottom: 1px solid var(--linea-2);
  transition: padding-left .3s var(--ease-out);
}
.fallo::before {
  content: ""; position: absolute; z-index: -1; inset: 6px -22px;
  border-radius: var(--r-lg); background: var(--nieve);
  opacity: 0; transform: scale(.985);
  transition: opacity .26s var(--ease-out), transform .26s var(--ease-out);
}
.fallo__q { font-size: var(--t-h3); }
.fallo__q q { quotes: none; }
.fallo__q q::before { content: "«"; color: var(--rescate); }
.fallo__q q::after  { content: "»"; color: var(--rescate); }
.fallo__lab { color: var(--tinta-3); margin-top: 4px; }
.fallo__d { color: var(--tinta-2); max-width: 54ch; }
.fallo__n {
  position: absolute; right: 6px; top: 50%; translate: 0 -50%;
  font-family: var(--mono); font-size: 0.75rem; color: var(--linea-2);
  transition: color .26s ease, transform .26s var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .fallo:hover { padding-left: 18px; }
  .fallo:hover::before { opacity: 1; transform: none; }
  .fallo:hover .fallo__n { color: var(--rescate); transform: translateX(-4px); }
}
@media (min-width: 880px) {
  .fallo { grid-template-columns: 1fr 1fr; align-items: baseline; padding-right: 56px; }
}
.arreglos__cierre {
  display: flex; flex-wrap: wrap; align-items: center; gap: 16px 24px;
  margin-top: clamp(32px, 4vw, 48px);
}
.arreglos__cierre p { color: var(--tinta-2); }

/* ============================== EL MEDIDOR ============================== */

.medida { padding-block: var(--sec); background: var(--pino); color: var(--sobre-osc); }
.medida__in { display: grid; gap: clamp(32px, 5vw, 64px); align-items: center; }
@media (min-width: 1000px) { .medida__in { grid-template-columns: minmax(0,1fr) minmax(360px,52%); } }
.medida h2 { color: #fff; }
.medida__p { margin-top: 20px; max-width: 46ch; color: var(--sobre-osc-2); font-size: var(--t-lead); }
.medida .lab { color: var(--fosforo); }

.panel {
  background: #0A100D; border: 1px solid #24352C; border-radius: var(--r-md);
  padding: clamp(14px, 2vw, 22px);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.05), 0 30px 60px -30px rgba(0,0,0,.8);
}
.panel__top {
  display: flex; justify-content: space-between; gap: 12px;
  color: var(--sobre-osc-2); margin-bottom: 10px;
}
.panel svg { width: 100%; height: auto; }
.panel__cifras {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px;
  margin-top: 14px; padding-top: 14px; border-top: 1px solid #24352C;
}
.panel__cifras div { display: grid; gap: 2px; }
.panel__cifras dt { color: var(--sobre-osc-2); font-family: var(--mono); font-size: var(--t-lab); letter-spacing: .12em; text-transform: uppercase; }
.panel__cifras dd {
  margin: 0; font-family: var(--display); font-weight: 700; font-size: clamp(1.2rem, 2.4vw, 1.7rem);
  color: var(--fosforo); font-variant-numeric: tabular-nums;
}
.panel__cifras dd small { font-size: 0.5em; color: var(--sobre-osc-2); font-family: var(--mono); font-weight: 400; }
.panel__pie { margin-top: 14px; font-size: 0.8125rem; color: var(--sobre-osc-2); }

/* ================================= ZONA ================================= */

.zona { padding-block: var(--sec); }
.zona__head { display: grid; gap: 16px; max-width: 56ch; margin-bottom: clamp(28px, 4vw, 44px); }
.zona__head p { color: var(--tinta-2); font-size: var(--t-lead); }

.valles { display: grid; gap: clamp(28px, 4vw, 52px); }
@media (min-width: 860px) { .valles { grid-template-columns: 1fr 1fr; } }
.valle__t {
  display: flex; align-items: baseline; gap: 12px;
  padding-bottom: 12px; margin-bottom: 18px;
  border-bottom: 2px solid var(--pizarra);
}
.valle__t b { font-family: var(--display); font-size: 1.25rem; letter-spacing: -0.02em; }
.valle__t span { margin-left: auto; color: var(--tinta-3); }
.pueblos { display: flex; flex-wrap: wrap; gap: 7px; }
.pueblos li {
  padding: 6px 13px; border-radius: var(--r-pill);
  background: var(--nieve-2); border: 1px solid var(--nieve-3);
  font-size: 0.875rem; color: var(--tinta-2);
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}
@media (hover: hover) and (pointer: fine) {
  .pueblos li:hover { background: var(--pizarra); border-color: var(--pizarra); color: #fff; }
}
.zona__nota {
  margin-top: clamp(28px, 3.4vw, 40px); padding: 20px 22px;
  border-left: 3px solid var(--rescate); background: var(--rescate-w);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  max-width: 62ch;
}

/* ============================== ALOJAMIENTOS ============================ */

.turismo {
  padding-block: var(--sec);
  background: var(--pizarra); color: var(--sobre-osc);
}
.turismo__in { display: grid; gap: clamp(26px, 4vw, 48px); align-items: center; }
@media (min-width: 940px) { .turismo__in { grid-template-columns: minmax(0,1fr) auto; } }
.turismo h2 { color: #fff; max-width: 26ch; }
.turismo p { margin-top: 18px; max-width: 54ch; color: #D6E0DA; font-size: var(--t-lead); }
.turismo .reloj {
  display: inline-flex; align-items: center; gap: 10px;
  margin-bottom: 18px; padding: 7px 14px; border-radius: var(--r-pill);
  background: rgba(255,90,31,.16); color: #FFC8B2;
}
.turismo .reloj i {
  width: 8px; height: 8px; border-radius: 50%; background: var(--rescate); flex: none;
}

/* ============================== NOSOTROS ================================ */

.nosotros { padding-block: var(--sec); }
.nosotros__head { display: grid; gap: 16px; max-width: 54ch; margin-bottom: clamp(32px, 4vw, 56px); }
.nosotros__grid { display: grid; gap: clamp(28px, 4vw, 56px); }
@media (min-width: 980px) { .nosotros__grid { grid-template-columns: 1.15fr 1fr; align-items: start; } }

.pruebas { display: grid; gap: 14px; }
.foto { position: relative; border-radius: var(--r-md); overflow: hidden; background: var(--nieve-2); }
.foto img { width: 100%; height: 100%; object-fit: cover; }
.foto--valle  { aspect-ratio: 4 / 3; }
.foto--medida { aspect-ratio: 16 / 10; }
.foto--medida img { object-position: 50% 34%; }
.foto figcaption {
  position: absolute; inset: auto 0 0; padding: 26px 16px 12px;
  background: linear-gradient(transparent, rgba(14,26,22,.82));
  color: #EEF3EF;
}
@media (min-width: 620px) { .pruebas { grid-template-columns: 1.25fr 1fr; } }

.motivos { display: grid; gap: 0; align-content: start; }
.motivo { padding-block: clamp(18px, 2.4vw, 26px); border-top: 1px solid var(--linea-2); }
.motivo:last-child { border-bottom: 1px solid var(--linea-2); }
.motivo b {
  display: block; font-family: var(--display); font-size: 1.1875rem;
  letter-spacing: -0.02em; margin-bottom: 6px;
}
.motivo p { color: var(--tinta-2); font-size: 0.9688rem; }

/* =============================== CONTACTO =============================== */

.contacto { padding-block: var(--sec); background: var(--pino); color: var(--sobre-osc); }
.contacto__in { display: grid; gap: clamp(36px, 5vw, 70px); }
@media (min-width: 960px) { .contacto__in { grid-template-columns: 1.1fr 1fr; align-items: start; } }
.contacto h2 { color: #fff; font-size: var(--t-h2); }

.tel-grande {
  display: inline-block; margin-top: clamp(20px, 3vw, 30px);
  font-family: var(--display); font-weight: 700;
  font-size: clamp(2.4rem, 6.4vw, 4.6rem); letter-spacing: -0.04em;
  color: var(--rescate); text-decoration: none;
  font-variant-numeric: tabular-nums;
  transition: color .2s ease, transform .2s var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .tel-grande:hover { color: var(--rescate); transform: translateY(-2px); }
}
.contacto__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: clamp(22px, 3vw, 32px); }
.contacto__nota { margin-top: 24px; max-width: 52ch; color: var(--sobre-osc-2); font-size: 0.9375rem; }

.horario { display: grid; gap: 0; }
.horario .lab { color: var(--fosforo); margin-bottom: 14px; }
.horario div {
  display: flex; justify-content: space-between; gap: 16px; align-items: baseline;
  padding-block: 15px; border-top: 1px solid #24352C;
}
.horario div:last-of-type { border-bottom: 1px solid #24352C; }
.horario dt { color: #fff; font-weight: 700; }
.horario dd { margin: 0; color: var(--sobre-osc-2); font-family: var(--mono); font-size: 0.9375rem; }
.horario dd.cerrado { color: var(--sobre-osc-2); }
.horario__nota { margin-top: 20px; color: var(--sobre-osc-2); font-size: 0.875rem; }

/* ================================= PIE ================================== */

.pie { background: var(--pino-2); color: var(--sobre-osc-2); padding-block: clamp(44px, 6vw, 76px) 0; }
.pie__grid { display: grid; gap: 32px; padding-bottom: clamp(32px, 4vw, 52px); }
@media (min-width: 820px) { .pie__grid { grid-template-columns: 1.6fr 1fr 1fr; } }
.pie b { color: #fff; }
.pie__co { font-size: 0.9375rem; line-height: 1.7; }
.pie__co b { display: block; font-family: var(--display); font-size: 1.0625rem; margin-bottom: 10px; letter-spacing: -0.01em; }
.pie__col { display: grid; align-content: start; gap: 10px; font-size: 0.9375rem; }
.pie__col .lab { color: var(--sobre-osc-2); margin-bottom: 4px; }
.pie__col a { text-decoration: none; width: fit-content; }
@media (hover: hover) and (pointer: fine) { .pie__col a:hover { color: #fff; text-decoration: underline; } }
.pie__bar {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px;
  padding-block: 20px; border-top: 1px solid #24352C; font-size: 0.8438rem;
}

/* ============================== REVELADOS =============================== */
/* Transiciones CSS disparadas por IntersectionObserver: un script parado no
   puede dejar contenido invisible. main.js además lo revela todo a los 2,5 s. */

.js [data-rev] {
  opacity: 0; transform: translateY(26px);
  transition: opacity .75s var(--ease-out), transform .75s var(--ease-out);
  transition-delay: var(--d, 0ms);
}
.js [data-rev].dentro { opacity: 1; transform: none; }

/* máscara: la línea sube desde su propio recorte */
.msk { display: block; overflow: hidden; }
.msk > span { display: inline-block; }
.js .msk > span { transform: translateY(112%); transition: transform .9s var(--ease-out) var(--d, 0ms); }
.js .msk.dentro > span { transform: none; }

@media (prefers-reduced-motion: reduce) {
  .js [data-rev], .js .msk > span { opacity: 1; transform: none; transition: none; }
}

/* ============================ PÁGINAS LEGALES =========================== */

.doc { padding-block: calc(var(--hdr) + clamp(48px, 7vw, 84px)) var(--sec); }
.doc__head { max-width: 60ch; padding-bottom: 32px; border-bottom: 1px solid var(--linea); }
.doc__meta { margin-top: 14px; color: var(--tinta-3); font-size: 0.9375rem; }
.doc__body { max-width: 72ch; }
.doc__body h2 { margin-top: clamp(36px, 4.6vw, 56px); font-size: clamp(1.3rem, 2vw, 1.6rem); }
.doc__body h3 { margin-top: 28px; font-size: 1.0625rem; }
.doc__body p, .doc__body ul { margin-top: 15px; color: var(--tinta-2); }
.doc__body ul { display: grid; gap: 9px; }
.doc__body li { position: relative; padding-left: 22px; }
.doc__body li::before {
  content: ""; position: absolute; left: 0; top: 0.66em;
  width: 10px; height: 2px; background: var(--rescate); border-radius: 2px;
}
.doc__body a { color: var(--rescate-2); text-underline-offset: 0.2em; }
.doc__volver { display: inline-flex; gap: 8px; margin-top: clamp(40px, 5vw, 64px); font-weight: 700; }
.top--doc .nav { display: flex; }
@media (max-width: 900px) { .top--doc .nav { display: none; } }

/* ========================= LA CASA AXONOMETRICA ========================= */
/* Cuatro capas, cada una un servicio con su sitio fisico en la vivienda.
   El despiece lo mueve GSAP con scrub; el resaltado, la clase .on. */

.casa .cara-f { fill: var(--nieve-2); }
.casa .cara-t { fill: #FFFFFF; }
.casa .cara-r { fill: var(--nieve-3); }
.casa .linea  { fill: none; stroke: var(--pizarra); stroke-width: 2;
                stroke-linejoin: round; stroke-linecap: round; }
.casa .fina   { fill: none; stroke: var(--linea-2); stroke-width: 1.4; }
.casa .hueco  { fill: var(--pizarra); }
.casa .tejado-f { fill: var(--pizarra); }
.casa .tejado-r { fill: var(--pizarra-2); }
.casa .metal  { fill: none; stroke: var(--pizarra); stroke-width: 3.4;
                stroke-linecap: round; }
.casa .fibra  { fill: none; stroke: var(--rescate); stroke-width: 3.6; stroke-linecap: round; }
.casa .onda   { fill: none; stroke: var(--rescate); stroke-width: 2.6;
                stroke-linecap: round; opacity: .85; }
.casa .caja   { fill: #FFFFFF; stroke: var(--pizarra); stroke-width: 2; }
.casa .piedra { fill: none; stroke: var(--linea-2); stroke-width: 1; opacity: .8; }
.casa text    { font-family: var(--mono); font-size: 11px; letter-spacing: .1em;
                text-transform: uppercase; fill: var(--tinta-3); }

/* las caras llevan su propio contorno: menos trazos suetos que dibujarlos aparte */
.casa .cara-f, .casa .cara-t, .casa .cara-r {
  stroke: var(--pizarra); stroke-width: 2; stroke-linejoin: round;
}

/* la capa es la unidad que se despieza y se resalta */
.capa-g { transition: opacity .26s ease; }
.capa-g .marco {
  fill: none; stroke: var(--rescate); stroke-width: 2.6;
  opacity: 0; transition: opacity .26s ease;
}
.casa.hay-foco .capa-g:not(.on) { opacity: .3; }
.capa-g.on .cara-f  { fill: var(--rescate-w); }
.capa-g.on .cara-t  { fill: #FFF6F2; }
.capa-g.on .cara-r  { fill: #FFE0D3; }
.capa-g.on .linea   { stroke: var(--rescate-2); }
.capa-g.on .marco   { opacity: 1; }

/* pulso de la senal: la casa esta viva aunque no toques nada */
@media (prefers-reduced-motion: no-preference) {
  .casa .onda { animation: onda 3.4s var(--ease-io) infinite; }
  .casa .onda:nth-of-type(2) { animation-delay: .28s; }
  .casa .onda:nth-of-type(3) { animation-delay: .56s; }
  @keyframes onda {
    0%, 100% { opacity: .18; }
    45%      { opacity: .95; }
  }
  .casa .chispa { animation: chispa 2.6s linear infinite; }
  @keyframes chispa { to { stroke-dashoffset: -84; } }
}

/* trazo del espectro: se dibuja al entrar en pantalla */
.traza { fill: none; stroke: var(--fosforo); stroke-width: 2.4;
         stroke-linejoin: round; stroke-linecap: round; }
.rejilla { fill: none; stroke: #24352C; stroke-width: 1; }
.eje { font-family: var(--mono); font-size: 10px; fill: #8B978F; }
.marcador { fill: none; stroke: var(--rescate); stroke-width: 1.6; stroke-dasharray: 4 4; }

/* ===================== ACTO 1 · TITULAR + CASA PEGAJOSA ================= */
/* Una sola seccion: el titular y la casa entran juntos, y al bajar la casa se
   queda pegada y se despieza mientras suben las cuatro capas. Sticky nativo:
   sin GSAP la casa sigue acompanando, solo pierde el despiece. */

.acto {
  position: relative;
  padding-block: calc(var(--hdr) + clamp(30px, 5vw, 64px)) var(--sec);
  overflow: clip;
}
.acto::before {
  content: ""; position: absolute; inset: -6% -18% auto; height: 90%;
  background:
    radial-gradient(58% 44% at 76% 26%, rgba(47,79,67,.08) 0 40%, transparent 72%),
    radial-gradient(46% 34% at 90% 58%, rgba(255,90,31,.07) 0 40%, transparent 70%);
  pointer-events: none;
}
.acto__in { position: relative; z-index: 1; display: grid; gap: clamp(30px, 4vw, 56px); }

.acto__capas { margin-top: clamp(56px, 9vw, 132px); }
.acto__intro { color: var(--rescate-2); margin-bottom: 14px; }
.acto__h2 { max-width: 18ch; }
.acto__p { margin-top: 16px; max-width: 46ch; color: var(--tinta-2); font-size: var(--t-lead); }
.capas { margin-top: clamp(26px, 3.4vw, 40px); }

.acto__der { position: relative; }
.acto__sticky { position: relative; }

@media (min-width: 1040px) {
  .acto__in {
    grid-template-columns: minmax(0, 1fr) minmax(400px, 46%);
    column-gap: clamp(36px, 4vw, 72px);
  }
  /* Sin align-items:start. La columna derecha tiene que estirarse a la altura
     de la fila: si se encoge al contenido, el sticky no tiene recorrido donde
     pegarse y la casa se va con el scroll. */
  .acto__der { align-self: stretch; }
  .acto__izq { align-self: start; }
  .acto__sticky {
    position: sticky;
    top: calc(var(--hdr) + 3vh);
    /* deja aire para que el despiece crezca sin salirse */
    padding-block: 2vh 4vh;
  }
  .casa { max-height: 84vh; }
}

/* en pantallas estrechas la casa va entre el titular y las capas */
@media (max-width: 1039px) {
  .acto__der { order: 1; margin-top: clamp(28px, 6vw, 48px); }
  .acto__izq { display: contents; }
  .acto__izq > :not(.acto__capas) { order: 0; }
  .acto__capas { order: 2; margin-top: clamp(40px, 9vw, 72px); }
  .casa { max-width: 560px; margin-inline: auto; }
}