/* =============================================================
   MARCOS TORRES · Dirección A «La sala nocturna»
   El sitio es una sala de museo de noche: cada reloj tiene su luz.
   Paleta del cliente (dark premium artesanal), NO se cambia.
   Regla de forma: obras y marcos con esquina recta (museo);
   controles en píldora. Nada más.
   ============================================================= */
:root {
  /* Color */
  --bg: #0d0b09; --bg-2: #14110d; --bg-3: #1c1813;
  --gold: #c9a45c; --gold-soft: #d8bd83; --gold-deep: #a07e3e;
  --text: #f2ece1; --mut: #b3a998; --line: rgba(201, 164, 92, .22);
  --papel: #f7f5f2; --papel-txt: #4a4238;
  /* Tipo */
  --serif: "Cormorant Garamond", "Cormorant Respaldo", Georgia, serif;
  --sans: "Hanken Grotesk", "Hanken Respaldo", system-ui, -apple-system, "Segoe UI", sans-serif;
  /* Ritmo */
  --pad: clamp(1rem, 5vw, 4rem);
  --maxw: 1320px;
  --ease: cubic-bezier(.22, 1, .36, 1);
  /* Capas */
  --z-flota: 30; --z-nav: 40; --z-telon: 50;
}

/* Respaldos con el mismo ancho que las fuentes web (medido en Chrome el 23/10/2026):
   mientras llegan Cormorant y Hanken, el texto ocupa casi lo mismo y la página no salta (CLS) */
@font-face { font-family: "Cormorant Respaldo"; src: local("Georgia"); size-adjust: 88.4%; }
@font-face { font-family: "Cormorant Respaldo"; font-style: italic; src: local("Georgia Italic"), local("Georgia-Italic"); size-adjust: 78.9%; }
@font-face { font-family: "Hanken Respaldo"; src: local("Arial"), local("Helvetica"); size-adjust: 99%; }

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { background: var(--bg); color: var(--text); font-family: var(--sans); font-weight: 300; line-height: 1.6;
  overflow-x: clip; -webkit-font-smoothing: antialiased; }
img, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ol, ul { list-style: none; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; border-radius: 4px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.saltar { position: absolute; left: 1rem; top: -4rem; z-index: 100; padding: .7rem 1rem; border-radius: 999px; background: var(--gold); color: #1a140a; font-weight: 500; }
.saltar:focus { top: 1rem; }
h1, h2, h3 { font-family: var(--serif); font-weight: 500; line-height: 1.08; text-wrap: balance; }
h2 { font-size: clamp(2.1rem, 5vw, 3.6rem); }
em { font-style: italic; color: var(--gold-soft); }
.ceja { font-size: .8125rem; font-weight: 500; letter-spacing: .24em; text-transform: uppercase; color: var(--gold); }
body.sin-scroll { overflow: hidden; }
[id] { scroll-margin-top: 5.5rem; }                 /* los anclajes no quedan debajo de la isla */

/* ---------- Botones ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .7rem; min-height: 48px; padding: .85rem 1.5rem; border-radius: 999px;
  font-size: .82rem; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; white-space: nowrap;
  transition: transform .25s var(--ease), background-color .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease); }
.btn:active { transform: scale(.97); }
.btn--oro { background: var(--gold); color: #1a140a; }
.btn--oro:hover { background: var(--gold-soft); }
.btn--linea { border: 1px solid rgba(242, 236, 225, .38); color: var(--text); }
.btn--linea:hover { border-color: var(--gold); color: var(--gold-soft); }
.btn--sm { min-height: 44px; padding: .6rem 1.1rem; font-size: .74rem; }
.btn--ancho { width: 100%; white-space: normal; text-align: center; }
.btn__ico { display: grid; place-items: center; width: 26px; height: 26px; margin-right: -.6rem; border-radius: 50%; background: rgba(26, 20, 10, .14); transition: transform .3s var(--ease); }
.btn:hover .btn__ico { transform: translate(2px, -2px); }

/* ---------- Isla de navegación ---------- */
.isla { position: fixed; top: max(1rem, env(safe-area-inset-top)); left: 50%; transform: translateX(-50%); z-index: var(--z-nav);
  display: flex; align-items: center; gap: clamp(.8rem, 2.5vw, 2rem); padding: .4rem .4rem .4rem 1.3rem;
  width: max-content; max-width: calc(100vw - 2rem);
  background: rgba(13, 11, 9, .7); border: 1px solid rgba(242, 236, 225, .12); border-radius: 999px;
  backdrop-filter: blur(16px) saturate(140%); -webkit-backdrop-filter: blur(16px) saturate(140%); }
.isla__marca { font-family: var(--serif); font-size: 1.3rem; font-weight: 600; white-space: nowrap; }
.isla__links { display: flex; gap: 1.4rem; }
.isla__links a { display: inline-flex; align-items: center; min-height: 44px; font-size: .88rem; letter-spacing: .03em; color: var(--mut); transition: color .25s var(--ease); }
.isla__links a:hover { color: var(--gold-soft); }
.isla__menu { display: none; position: relative; flex: 0 0 auto; width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line); }
.isla__menu i { position: absolute; left: 13px; right: 13px; height: 1.5px; background: var(--text); transition: transform .45s var(--ease); }
.isla__menu i:first-of-type { top: 18px; }
.isla__menu i:last-of-type { top: 24px; }
.isla__menu[aria-expanded="true"] i:first-of-type { transform: translateY(3px) rotate(45deg); }
.isla__menu[aria-expanded="true"] i:last-of-type { transform: translateY(-3px) rotate(-45deg); }
.telon { position: fixed; inset: 0; z-index: var(--z-telon); display: grid; place-items: center;
  background: rgba(10, 8, 6, .95); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); }
.telon[hidden] { display: none; }
.telon ul { text-align: center; }
.telon li { overflow: hidden; }
.telon a { display: block; padding: .5rem 1rem; font-family: var(--serif); font-size: clamp(2.2rem, 10vw, 3.4rem); transform: translateY(110%); transition: transform .7s var(--ease); }
.telon.abierto a { transform: none; }
.telon.abierto li:nth-child(2) a { transition-delay: .06s; }
.telon.abierto li:nth-child(3) a { transition-delay: .12s; }
.telon.abierto li:last-child a { transition-delay: .18s; color: var(--gold); }
@media (max-width: 760px) {
  .isla { left: 1rem; right: 1rem; transform: none; width: auto; justify-content: space-between; }
  .isla__links, .isla > .btn { display: none; }
  .isla__menu { display: block; z-index: 1; }
  .isla:has(.isla__menu[aria-expanded="true"]) { z-index: calc(var(--z-telon) + 1); }
}

/* ---------- HERO ---------- */
.hero { position: relative; min-height: 100svh; display: grid; align-items: end; overflow: hidden; isolation: isolate;
  padding: 7rem var(--pad) clamp(2.5rem, 8vh, 5rem); }
/* El fondo de respaldo SIEMPRE está: si el video falla, tarda o el navegador bloquea el autoplay, se ve esta imagen */
.hero__fondo { position: absolute; inset: -3%; z-index: -2; background: #0d0b09 url("../assets/img/hero-bg.webp") center / cover no-repeat; will-change: transform; }
.hero__video { width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity 1.2s var(--ease); }
.hero__video.lista { opacity: 1; }
.hero__velo { position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(13,11,9,.6) 0%, rgba(13,11,9,0) 26%, rgba(13,11,9,.2) 55%, rgba(13,11,9,.94) 100%),
              linear-gradient(90deg, rgba(13,11,9,.9) 0%, rgba(13,11,9,.6) 40%, rgba(13,11,9,0) 68%); }
.hero__texto { max-width: 760px; will-change: transform; animation: entra .9s var(--ease) .15s both; }
.hero__ceja { font-size: .8125rem; font-weight: 500; letter-spacing: .22em; text-transform: uppercase; color: var(--gold-soft);
  text-shadow: 0 1px 12px rgba(0, 0, 0, .8); }
.hero h1 { font-size: clamp(2.4rem, 6.4vw, 5.2rem); margin: .9rem 0 1.1rem; letter-spacing: -.005em; text-shadow: 0 2px 30px rgba(0, 0, 0, .55); }
.hero h1 em { display: inline-block; padding-bottom: .06em; }
.hero__sub { max-width: 46ch; color: #ddd5c7; font-size: clamp(1rem, 1.4vw, 1.12rem); text-shadow: 0 1px 14px rgba(0, 0, 0, .7); }
.hero__ctas { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.8rem; }
@keyframes entra { from { opacity: 0; transform: translateY(18px); } }
@media (max-width: 760px) {
  .hero { padding-bottom: 5.5rem; }            /* deja libre el botón flotante de WhatsApp */
  .hero__velo { background: linear-gradient(180deg, rgba(13,11,9,.55) 0%, rgba(13,11,9,.08) 22%, rgba(13,11,9,.72) 48%, rgba(13,11,9,.97) 100%); }
  .hero__ctas .btn { flex: 1 1 100%; }
}

/* ---------- LA SALA (catálogo en la portada) ---------- */
.sala { position: relative; padding: clamp(5rem, 12vw, 8rem) 0 3rem; }
.sala__cabeza { padding: 0 var(--pad); max-width: 760px; }
.sala__cabeza p { color: var(--mut); margin-top: 1rem; max-width: 50ch; }
.sala__pin { position: relative; overflow: hidden; }
.sala__suelo { position: absolute; left: 0; right: 0; bottom: 0; height: 34%; pointer-events: none;
  background: linear-gradient(180deg, transparent, rgba(201, 164, 92, .05) 40%, rgba(0, 0, 0, .35)); }
.sala__pista { display: flex; gap: clamp(1.5rem, 4vw, 4.5rem); padding: 3rem var(--pad) 2.5rem; perspective: 1400px; }
.obra { position: relative; flex: 0 0 auto; width: clamp(240px, 26vw, 360px); transform-style: preserve-3d; }
.obra__boton { display: block; width: 100%; text-align: left; transform-style: preserve-3d; }
.obra__luz { position: absolute; left: 50%; top: -3rem; width: 160%; height: 120%; transform: translateX(-50%); pointer-events: none;
  background: radial-gradient(42% 55% at 50% 0%, rgba(255, 226, 170, .16), transparent 70%); opacity: .5; transition: opacity .6s var(--ease);
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 30%); mask-image: linear-gradient(180deg, transparent, #000 30%); }
.obra.activa .obra__luz, .obra:hover .obra__luz { opacity: 1; }
.obra figure { position: relative; aspect-ratio: 4 / 5; overflow: hidden; background: var(--bg-3);
  box-shadow: 0 40px 80px -40px rgba(0, 0, 0, .9), 0 0 0 1px rgba(201, 164, 92, .16); }
.obra img { width: 100%; height: 100%; object-fit: cover; transition: transform .9s var(--ease); }
.obra:hover img { transform: scale(1.04); }
.obra__velo { position: absolute; inset: 0; background: #0d0b09; opacity: 0; pointer-events: none; }
.ficha { display: block; margin-top: 1.1rem; padding-left: .9rem; border-left: 1px solid var(--gold-deep); }
.ficha > span { display: block; }
.ficha__serie { font-size: .75rem; letter-spacing: .18em; text-transform: uppercase; color: var(--gold); }
.ficha__nombre { font-family: var(--serif); font-size: 1.55rem; font-weight: 500; line-height: 1.15; margin: .25rem 0 .1rem; }
.ficha__sub { font-size: .9rem; color: var(--mut); }

.plano { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem 2rem; margin: 0 var(--pad); padding-top: 1.1rem; border-top: 1px solid var(--line); }
.plano ol { display: flex; flex-wrap: wrap; gap: .2rem 1.4rem; min-width: 0; }
.plano button { position: relative; min-height: 44px; font-size: .88rem; letter-spacing: .02em; color: var(--mut); transition: color .25s var(--ease); }
.plano button::after { content: ""; position: absolute; left: 0; right: 0; bottom: 8px; height: 1px; background: var(--gold); transform: scaleX(0); transform-origin: left; transition: transform .45s var(--ease); }
.plano button[aria-current="true"], .plano button:hover { color: var(--text); }
.plano button[aria-current="true"]::after { transform: scaleX(1); }

/* Sin pin (móvil, sin GSAP o con movimiento reducido): la pista es un carril con imán */
.sala:not(.con-pin) .sala__pista { overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
.sala:not(.con-pin) .sala__pista::-webkit-scrollbar { display: none; }
.sala:not(.con-pin) .obra { scroll-snap-align: center; }
.sala:not(.con-pin) .obra__boton { transition: transform .7s var(--ease), opacity .7s var(--ease); transform: perspective(1000px) rotateY(var(--giro, 0deg)) scale(.92); opacity: .6; }
.sala:not(.con-pin) .obra.activa .obra__boton { transform: none; opacity: 1; }
.sala:not(.con-pin) .obra.izq { --giro: 14deg; }
.sala:not(.con-pin) .obra.der { --giro: -14deg; }
.sala.con-pin .sala__pin { height: 100vh; display: flex; align-items: center; }
.sala.con-pin .sala__pista { will-change: transform; }
.sala.con-pin .obra__boton { will-change: transform; }
@media (max-width: 760px) {
  .obra { width: 74vw; }
  .sala__pista { padding-inline: 13vw; }
  .plano ol { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
  .plano ol::-webkit-scrollbar { display: none; }
  .plano li { flex: 0 0 auto; }
  .plano > * { min-width: 0; max-width: 100%; }
}

/* ---------- EL ARTESANO ---------- */
.artista { overflow-x: clip; display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(2rem, 6vw, 6rem); align-items: center;
  max-width: var(--maxw); margin-inline: auto; padding: clamp(5rem, 12vw, 9rem) var(--pad); }
.artista__retrato { position: relative; }
.artista__retrato img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; box-shadow: 0 50px 90px -40px rgba(0, 0, 0, .95), 0 0 0 1px rgba(201, 164, 92, .18); }
.artista__luz { position: absolute; left: 50%; top: -12%; width: 150%; height: 70%; transform: translateX(-50%); pointer-events: none; z-index: -1;
  background: radial-gradient(40% 60% at 50% 0%, rgba(255, 226, 170, .14), transparent 70%); }
.artista__texto h2 { margin: .8rem 0 1.4rem; }
.artista__texto p { color: #ddd5c7; max-width: 58ch; }
.artista__texto p + p { margin-top: 1rem; }
.valores { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.2rem 2rem; margin-top: 2.2rem; padding-top: 1.6rem; border-top: 1px solid var(--line); }
.valores dt { font-family: var(--serif); font-size: 1.3rem; font-weight: 500; }
.valores dd { font-size: .92rem; color: var(--mut); margin-top: .15rem; }
@media (max-width: 760px) {
  .artista { grid-template-columns: minmax(0, 1fr); }
  .artista__retrato { max-width: 420px; }
}
@media (max-width: 420px) { .valores { grid-template-columns: minmax(0, 1fr); } }

/* ---------- ENCARGOS + TU RELOJ ---------- */
.encargo { max-width: var(--maxw); margin-inline: auto; padding: clamp(5rem, 12vw, 9rem) var(--pad); border-top: 1px solid var(--line); }
.encargo__cabeza { max-width: 680px; }
.encargo__cabeza h2 { margin: .8rem 0 1rem; }
.encargo__cabeza p:last-child { color: var(--mut); }
.pasos { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(1rem, 3vw, 2.5rem); margin: 3rem 0 clamp(3.5rem, 8vw, 6rem); counter-reset: paso; }
.paso { padding-top: 1.1rem; border-top: 1px solid var(--gold-deep); }
.paso__n { font-family: var(--serif); font-size: 2.2rem; line-height: 1; color: var(--gold); }
.paso h3 { font-size: 1.35rem; margin: .7rem 0 .4rem; }
.paso p { font-size: .92rem; color: var(--mut); }
@media (max-width: 900px) { .pasos { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 420px) { .pasos { grid-template-columns: minmax(0, 1fr); } }

.constructor { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(280px, 420px); gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.constructor > * { min-width: 0; }
.constructor__form h3 { font-size: clamp(1.9rem, 4vw, 2.8rem); }
.constructor__intro { color: var(--mut); margin: .8rem 0 2rem; }
fieldset { border: 0; margin-bottom: 1.6rem; min-width: 0; }
legend { font-family: var(--serif); font-size: 1.45rem; margin-bottom: .7rem; }
.chips { display: flex; flex-wrap: wrap; gap: .5rem; }
.chips button { min-height: 44px; padding: 0 1.1rem; border-radius: 999px; border: 1px solid rgba(242, 236, 225, .26); font-size: .9rem;
  transition: background-color .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease), transform .2s var(--ease); }
.chips button:hover { border-color: var(--gold); }
.chips button:active { transform: scale(.97); }
.chips button[aria-pressed="true"] { background: var(--gold); border-color: var(--gold); color: #15120c; font-weight: 500; }
.nota { display: block; font-family: var(--serif); font-size: 1.45rem; margin-bottom: .6rem; }
.nota small { font-family: var(--sans); font-size: .82rem; color: var(--mut); }
textarea { display: block; width: 100%; min-height: 88px; padding: .9rem 1rem; border-radius: 14px; border: 1px solid rgba(242, 236, 225, .3);
  background: var(--bg-2); color: var(--text); font: inherit; font-size: 1rem; resize: vertical; }
textarea::placeholder { color: #958b7b; }
textarea:focus { outline: 2px solid var(--gold); outline-offset: 2px; }
.constructor__vista { position: sticky; top: 6rem; padding: 1.2rem; background: var(--bg-2); border: 1px solid var(--line); }
.vista__arco { aspect-ratio: 4 / 5; overflow: hidden; border-radius: 999px 999px 0 0; background: var(--bg-3); }
.vista__arco img { width: 100%; height: 100%; object-fit: cover; transition: opacity .45s var(--ease), transform .7s var(--ease); }
.vista__arco img.cambia { opacity: 0; transform: scale(1.04); }
.vista__ref { margin: .9rem 0 .8rem; font-size: .9rem; color: var(--mut); }
.vista__ref b { color: var(--text); font-weight: 500; }
.vista__mensaje { padding: .9rem 1rem; background: var(--bg-3); margin-bottom: 1rem; }
.vista__mensaje span { font-size: .75rem; letter-spacing: .16em; text-transform: uppercase; color: var(--gold); }
.vista__mensaje p { font-size: .94rem; margin-top: .3rem; overflow-wrap: anywhere; }
.vista__nota { font-size: .82rem; color: var(--mut); margin-top: .7rem; text-align: center; }
@media (max-width: 900px) {
  .constructor { grid-template-columns: minmax(0, 1fr); }
  .constructor__vista { position: static; display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: .5rem 1rem; align-items: start; }
  .vista__arco { grid-row: span 2; }
  .vista__ref, .vista__mensaje { margin: 0; }
  .constructor__vista .btn, .vista__nota { grid-column: 1 / -1; }
  .constructor__vista .btn { margin-top: .6rem; }
}

/* ---------- INSTAGRAM: la pared de reels ---------- */
.redes { padding: clamp(5rem, 12vw, 9rem) 0; border-top: 1px solid var(--line); }
.redes__cabeza { max-width: 700px; padding: 0 var(--pad); margin-bottom: clamp(2rem, 5vw, 3rem); }
.redes__cabeza p { color: var(--mut); margin-top: 1rem; }
.redes__cuentas { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.4rem; }
.redes__cuentas .btn { white-space: normal; text-align: center; }
.redes__pared { position: relative; min-width: 0; }
.carril { display: flex; gap: 24px; overflow-x: auto; scroll-snap-type: x mandatory; scroll-padding-inline: var(--pad);
  padding: 1rem var(--pad) 1.5rem; scrollbar-width: thin; scrollbar-color: var(--gold-deep) transparent; }
/* position: relative para que los .sr-only del reel no se escapen del carril y ensanchen la página */
.reel { position: relative; flex: 0 0 min(calc(100vw - 2.5rem), 360px); min-width: 0; scroll-snap-align: start; }
.reel:nth-child(even) { margin-top: 2.5rem; }          /* colgados a distinta altura, como en un salón */
.reel__marco { padding: 10px; background: var(--papel);
  box-shadow: inset 0 0 0 1px rgba(201, 164, 92, .55), 0 0 0 6px #1a150f, 0 0 0 7px rgba(201, 164, 92, .35), 0 40px 60px -30px rgba(0, 0, 0, .9); }
/* Alto reservado para que la página no salte cuando llega el reel (iframe de Instagram) */
.ig-embed { height: 640px; overflow: hidden; display: grid; place-items: center; align-content: center; gap: 1rem; text-align: center; color: var(--papel-txt); }
.ig-embed iframe { max-width: 100% !important; min-width: 0 !important; }
.ig-espera { font-size: .92rem; }
.ig-enlace { display: inline-flex; align-items: center; min-height: 44px; padding: 0 1rem; border-radius: 999px; border: 1px solid #b9ac98; font-size: .85rem; color: var(--papel-txt); }
.carril__flechas { display: flex; justify-content: flex-end; gap: .5rem; padding: 0 var(--pad); }
.carril__flechas button { min-width: 48px; min-height: 48px; border: 1px solid var(--line); border-radius: 999px; font-size: 1rem; }
.carril__flechas button:hover { border-color: var(--gold); color: var(--gold-soft); }
@media (max-width: 760px) {
  .reel:nth-child(even) { margin-top: 0; }
  .ig-embed { height: 600px; }
}

/* ---------- CIERRE ---------- */
.cierre { text-align: center; padding: clamp(5rem, 14vw, 10rem) var(--pad); background: radial-gradient(60% 70% at 50% 100%, rgba(201, 164, 92, .1), transparent 70%); }
.cierre h2 { max-width: 16ch; margin: 0 auto 2rem; }

/* ---------- PIE ---------- */
.pie { padding: 3rem var(--pad) 6.5rem; border-top: 1px solid var(--line); background: var(--bg-2); text-align: center; }
.pie__marca { font-family: var(--serif); font-size: 1.8rem; font-weight: 600; }
.pie__tag { color: var(--mut); font-size: .92rem; margin-top: .3rem; }
.pie__links { display: flex; flex-wrap: wrap; justify-content: center; gap: .6rem; margin: 1.6rem 0; }
/* Cada enlace mide al menos 44 px de alto para el dedo */
.pie__links a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 1.1rem; border-radius: 999px; border: 1px solid var(--line);
  font-size: .86rem; letter-spacing: .04em; color: var(--text); transition: border-color .25s var(--ease), color .25s var(--ease); }
.pie__links a:hover { border-color: var(--gold); color: var(--gold-soft); }
.pie__legal { font-size: .82rem; color: var(--mut); }

/* ---------- BOTÓN FLOTANTE DE WHATSAPP ---------- */
.wa-flotante { position: fixed; right: max(1rem, env(safe-area-inset-right)); bottom: max(1rem, env(safe-area-inset-bottom)); z-index: var(--z-flota);
  display: grid; place-items: center; width: 56px; height: 56px; border-radius: 50%; background: var(--gold); color: #1a140a;
  box-shadow: 0 18px 40px -14px rgba(0, 0, 0, .8); transition: transform .25s var(--ease), background-color .25s var(--ease); }
.wa-flotante:hover { background: var(--gold-soft); transform: translateY(-3px); }

/* ---------- VITRINA (detalle con inclinación 3D) ---------- */
.vitrina { margin: auto; width: min(1080px, 94vw); max-height: 92dvh; border: 1px solid var(--line); padding: 0; background: var(--bg-2); color: var(--text); overflow: auto; }
.vitrina::backdrop { background: rgba(6, 5, 4, .86); backdrop-filter: blur(6px); }
.vitrina[open] { animation: vitrinaEntra .5s var(--ease); }
@keyframes vitrinaEntra { from { opacity: 0; transform: translateY(18px) scale(.98); } }
.vitrina__caja { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 3.5rem); padding: clamp(1.25rem, 4vw, 3rem); }
.vitrina__obra { position: relative; perspective: 900px; }
.vitrina__obra img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; transform: rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)); transition: transform .5s var(--ease); box-shadow: 0 50px 80px -40px rgba(0, 0, 0, .95); }
.vitrina__brillo { position: absolute; inset: 0; pointer-events: none; background: radial-gradient(40% 40% at var(--gx, 50%) var(--gy, 30%), rgba(255, 236, 200, .2), transparent 70%); mix-blend-mode: screen; transform: rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)); transition: transform .5s var(--ease); }
.vitrina__ficha { align-self: center; }
.vitrina__serie { font-size: .75rem; letter-spacing: .2em; text-transform: uppercase; color: var(--gold); }
.vitrina h2, .vitrina h3 { font-size: clamp(2rem, 4vw, 3rem); margin: .4rem 0 .2rem; }
.vitrina__sub { color: var(--gold-soft); font-family: var(--serif); font-style: italic; font-size: 1.25rem; margin-bottom: 1rem; }
.vitrina__ficha > p:not([class]) { color: #ddd5c7; max-width: 44ch; }
.vitrina dl { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 1rem; margin: 1.6rem 0 1.8rem; padding-top: 1.2rem; border-top: 1px solid var(--line); }
.vitrina dt { font-size: .75rem; letter-spacing: .16em; text-transform: uppercase; color: var(--mut); }
.vitrina dd { font-size: .95rem; margin-top: .2rem; }
.vitrina__ctas { display: flex; flex-wrap: wrap; gap: .6rem; }
.vitrina__nav { grid-column: 1 / -1; display: flex; justify-content: flex-end; gap: .5rem; }
.vitrina__nav button { min-width: 48px; min-height: 48px; padding: 0 1rem; border: 1px solid var(--line); border-radius: 999px; font-size: .88rem; }
.vitrina__nav button:hover { border-color: var(--gold); color: var(--gold-soft); }
@media (max-width: 760px) {
  .vitrina__caja { grid-template-columns: minmax(0, 1fr); }
  .vitrina__ctas .btn { flex: 1 1 100%; }
}

/* ---------- PÁGINA DE LA COLECCIÓN ---------- */
.coleccion__cabeza { max-width: var(--maxw); margin-inline: auto; padding: 9rem var(--pad) 2rem; }
.coleccion__cabeza h1 { font-size: clamp(2.6rem, 7vw, 5rem); margin: .8rem 0 1rem; }
.coleccion__cabeza p:last-child { color: var(--mut); max-width: 50ch; }
.coleccion { overflow-x: clip; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(2.5rem, 5vw, 4.5rem) clamp(1.5rem, 4vw, 3.5rem);
  max-width: var(--maxw); margin-inline: auto; padding: 3rem var(--pad) 2rem; }
.coleccion .obra { width: auto; }
.coleccion .obra:nth-child(3n + 2) { margin-top: 3rem; }   /* colgadas a distinta altura */
.coleccion__volver { text-align: center; padding: 3rem var(--pad) 5rem; }
@media (max-width: 900px) { .coleccion { grid-template-columns: repeat(2, minmax(0, 1fr)); } .coleccion .obra:nth-child(3n + 2) { margin-top: 0; } .coleccion .obra:nth-child(even) { margin-top: 2.5rem; } }
@media (max-width: 520px) { .coleccion { grid-template-columns: minmax(0, 1fr); } .coleccion .obra:nth-child(even) { margin-top: 0; } }

/* ---------- Entradas al hacer scroll (solo con JS y movimiento permitido) ---------- */
.js-mov [data-aparece] { opacity: 0; transform: translateY(26px); transition: opacity .9s var(--ease) var(--d, 0ms), transform .9s var(--ease) var(--d, 0ms); }
/* Las obras solo se encienden (sin desplazamiento): un transform aquí, dentro del contexto 3D,
   hacía que Chrome contara el carril entero en el ancho de la página (2270 px a 375) */
.js-mov .obra { opacity: 0; transition: opacity .9s var(--ease) var(--d, 0ms); }
.js-mov [data-aparece].visto, .js-mov .obra.visto { opacity: 1; transform: none; }
.js-mov .sala.con-pin .obra { opacity: 1; transform: none; }   /* en el pasillo fijado manda GSAP */

/* ---------- Movimiento reducido: sin 3D, sin inclinación, todo quieto ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .sala .obra__boton, .sala:not(.con-pin) .obra .obra__boton { transform: none !important; opacity: 1 !important; }
  .vitrina__obra img, .vitrina__brillo { transform: none !important; }
  .hero__fondo { inset: 0; }
  .obra:hover img { transform: none; }
}

/* Hasta que JS pinta las piezas, el hueco ocupa una pantalla: así lo de abajo no salta a la vista (CLS) */
.coleccion:empty, .sala__pista:empty, .carril:empty { min-height: 100vh; }

/* Todo hijo de rejilla o flex que contiene un carril desplazable puede encogerse */
.sala, .sala__pin, .plano, .redes, .redes__pared, .carril, .constructor > * { min-width: 0; max-width: 100%; }