/* ============================================================
   Quevean · Opción B · cine.css
   Capa cinemática sobre ../assets/css/styles.css.
   Cada capítulo (.ch) mide data-len vh; su .stage queda pegado
   a la pantalla y recibe --p (0→1). Cada [data-beat] recibe --k.
   ============================================================ */
html{scroll-behavior:auto}
body{background:var(--ink)}

/* ---------- capítulos ---------- */
.ch{position:relative;padding:0;height:calc(var(--len,220) * 1vh);height:calc(var(--len,220) * 1svh)}
.stage{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden;display:grid;grid-template-columns:minmax(0,1fr);align-items:center;padding:84px var(--pad) 40px;isolation:isolate}
.stage .in{position:relative;width:min(var(--wrap),100%);margin-inline:auto;transform-origin:50% 50%;z-index:2}
.ch.is-static{height:auto}
.ch.is-static .stage{position:relative;height:auto;overflow:visible;padding:clamp(72px,10vw,120px) var(--pad)}

/* beats: lo que entra con el scroll */
.beat{--k:0;opacity:var(--k);transform:translate3d(0,calc((1 - var(--k)) * 34px),0);will-change:opacity,transform}
.beat--x{transform:translate3d(calc((1 - var(--k)) * -34px),0,0)}
.beat--zoom{transform:scale(calc(.92 + var(--k) * .08))}
.beat--blur{filter:blur(calc((1 - var(--k)) * 10px))}
.beat--stay{transform:none}
.is-static .beat{--k:1!important}

/* ---------- fondos de capítulo ---------- */
.bg{position:absolute;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.bg--paper{background:var(--paper)}
.bg--ink2{background:var(--ink2)}
.bg--glow::after{content:"";position:absolute;inset:-20%;background:radial-gradient(45% 40% at 50% 60%,rgba(255,140,43,.28),transparent 70%);opacity:var(--p,0)}
.grain{position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.07;mix-blend-mode:overlay;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

/* ---------- 01 · portada: la puerta que se abre con el scroll ---------- */
.ch--portada{--len:150}
.ch--portada .stage{align-items:center;background:radial-gradient(70% 55% at 50% 42%,#15181E,var(--ink) 70%)}
.escena{position:absolute;inset:0;z-index:0;overflow:hidden;pointer-events:none;animation:escenaIn .9s var(--ease-out) both}
@keyframes escenaIn{from{opacity:0}}
/* piso en perspectiva: la retícula avanza hacia la puerta */
.piso{position:absolute;left:-60%;right:-60%;top:58%;height:70%;overflow:hidden;transform-origin:50% 0;transform:perspective(520px) rotateX(64deg);
  -webkit-mask:linear-gradient(180deg,#000,transparent 85%);mask:linear-gradient(180deg,#000,transparent 85%)}
.piso::before{content:"";position:absolute;left:0;right:0;top:-72px;bottom:-72px;
  background:linear-gradient(90deg,rgba(243,239,230,.09) 1px,transparent 1px) 0 0/72px 72px,linear-gradient(0deg,rgba(243,239,230,.09) 1px,transparent 1px) 0 0/72px 72px;
  animation:pisoMove 5s linear infinite;will-change:transform}
@keyframes pisoMove{to{transform:translateY(-72px)}}
/* charco de luz que cae desde la puerta */
.charco{position:absolute;left:50%;top:58%;width:min(900px,160vw);height:60%;translate:-50% 0;
  background:linear-gradient(180deg,rgba(255,176,32,.55),rgba(255,92,26,.22) 45%,transparent 90%);
  clip-path:polygon(calc(50% - 7%) 0,calc(50% + 7%) 0,100% 100%,0 100%);will-change:transform,opacity;
  opacity:calc(.35 + var(--p,0) * .65);transform:scaleX(calc(.45 + var(--p,0) * .9));transform-origin:50% 0}
/* la puerta */
.puerta{position:absolute;left:50%;top:58%;width:min(240px,52vw);height:min(440px,50vh);translate:-50% -100%;perspective:900px;transform-style:preserve-3d}
.puerta__luz{position:absolute;inset:0;background:linear-gradient(180deg,#FFE3A6,#FFB020 32%,#FF8A2B 65%,#FF5C1A);
  box-shadow:0 0 60px 20px rgba(255,140,43,.45),0 0 180px 70px rgba(255,92,26,.22);opacity:calc(.85 + var(--p,0) * .15);will-change:opacity}
.puerta__luz::after{content:"";position:absolute;inset:0;background:radial-gradient(60% 40% at 50% 60%,rgba(255,255,255,.55),transparent 70%)}
.puerta__hoja{position:absolute;inset:0;transform-origin:0 50%;transform:rotateY(calc(-9deg - var(--p,0) * 92deg));
  background:linear-gradient(90deg,#1A1E26,#0E1015 55%,#1C2028);box-shadow:inset 0 0 0 1px rgba(243,239,230,.07),-18px 0 40px -10px rgba(0,0,0,.8);backface-visibility:hidden}
.puerta__hoja::before,.puerta__hoja::after{content:"";position:absolute;left:14%;right:14%;border:1px solid rgba(243,239,230,.09);border-radius:3px;box-shadow:inset 0 0 20px rgba(0,0,0,.6)}
.puerta__hoja::before{top:9%;height:38%}
.puerta__hoja::after{bottom:9%;height:36%}
.puerta__manija{position:absolute;right:10%;top:50%;width:9px;height:9px;border-radius:50%;background:var(--beam);box-shadow:0 0 12px rgba(255,176,32,.9);translate:0 -50%}
.puerta__marco{position:absolute;inset:-12px -12px 0;border:12px solid #15181E;border-bottom:0;box-shadow:0 0 0 1px rgba(243,239,230,.08),0 30px 60px -20px rgba(0,0,0,.9);border-radius:3px 3px 0 0}
.puerta__marco::after{content:"";position:absolute;inset:-1px;border:1px solid rgba(255,176,32,.25);pointer-events:none}
.polvo{position:absolute;inset:0;width:100%;height:100%}
/* viñeta y velo para que el texto siga legible delante de la puerta */
.velo{position:absolute;inset:0;background:radial-gradient(60% 50% at 50% 48%,rgba(8,9,11,.55),transparent 70%)}
.vineta{position:absolute;inset:0;background:radial-gradient(80% 80% at 50% 50%,transparent 55%,rgba(8,9,11,.9))}
.portada__t{text-shadow:0 2px 24px rgba(8,9,11,.85),0 0 60px rgba(8,9,11,.6)}
.portada__lead{text-shadow:0 1px 16px rgba(8,9,11,.9)}
.flood{position:absolute;inset:0;z-index:1;background:var(--paper);opacity:clamp(0,calc((var(--p,0) - .62) / .38),1);pointer-events:none}
.portada{display:grid;gap:26px;text-align:center;justify-items:center;max-width:980px;margin-inline:auto}
.portada .eyebrow{margin:0;animation:fadeUp .7s var(--ease-out) .05s both}
.portada__t{font-family:var(--display);font-weight:300;font-size:clamp(40px,7.2vw,104px);line-height:.98;letter-spacing:-.025em;max-width:13ch}
.portada__t .w{display:inline-block;opacity:0;transform:translateY(.5em);filter:blur(10px);animation:wIn .8s var(--ease-out) both;animation-delay:calc(.12s + var(--i) * .05s)}
@keyframes wIn{to{opacity:1;transform:none;filter:blur(0)}}
.portada__t .w--em{font-style:italic;background:var(--beam);-webkit-background-clip:text;background-clip:text;color:transparent}
.portada__lead{font-size:clamp(17px,1.5vw,21px);color:var(--t-light-2);max-width:56ch;animation:fadeUp .7s var(--ease-out) .55s both}
.portada__cta{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;animation:fadeUp .7s var(--ease-out) .65s both}
.portada__facts{display:flex;gap:10px 28px;flex-wrap:wrap;justify-content:center;font-size:14px;color:var(--t-light-3);animation:fadeUp .7s var(--ease-out) .75s both}
.portada__facts b{color:var(--t-light);font-weight:600}
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}}
/* al bajar, la portada se funde en la luz */
.portada{opacity:clamp(0,calc(1 - (var(--p,0) - .25) / .45),1);transform:translateY(calc(var(--p,0) * -80px)) scale(calc(1 - var(--p,0) * .06))}
.scrollcue{position:absolute;left:50%;bottom:28px;translate:-50% 0;z-index:3;display:grid;justify-items:center;gap:10px;font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--t-light-3);opacity:clamp(0,calc(1 - var(--p,0) * 6),1);animation:fadeUp .8s var(--ease-out) 1.1s both}
.scrollcue i{width:22px;height:36px;border:1px solid rgba(243,239,230,.35);border-radius:12px;position:relative}
.scrollcue i::after{content:"";position:absolute;left:50%;top:7px;width:3px;height:7px;border-radius:2px;background:var(--gold);translate:-50% 0;animation:wheel 1.8s infinite}

/* ---------- escenas de dos columnas (02–04) ---------- */
.scene{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,72px);align-items:center}
.scene__copy{display:grid;gap:18px}
.scene__copy .h2{margin:0}
.scene__copy .lead{max-width:48ch}
.scene__vis{position:relative;display:grid;place-items:center;min-height:380px}
.ch .ficha,.ch .phone{margin:0;transform:none;translate:0}
.lst{display:grid;gap:9px;margin-top:4px}
.lst li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--t-light-2);line-height:1.4}
.lst li i{flex:0 0 22px;height:22px;border-radius:50%;display:grid;place-items:center;font-style:normal;font-size:11px;font-weight:700;margin-top:1px}
.lst--no li i{background:rgba(243,239,230,.08);color:var(--t-light-3)}
.lst--yes li i{background:var(--beam);color:var(--ink)}
.lst li b{color:var(--t-light)}

@media (min-width:1100px){.scene{padding-right:96px}}
.ch--light .eyebrow:not(.eyebrow--muted),.flow--light .eyebrow:not(.eyebrow--muted){color:var(--fire)}

/* 02 · la búsqueda (papel) */
.ch--busqueda{--len:210}
.ch--busqueda .stage{color:var(--t-dark)}
.ch--busqueda .lead{color:var(--t-dark-2)}
.ch--busqueda .lst li{color:var(--t-dark-2)}
.ch--busqueda .lst li b{color:var(--t-dark)}
.search{width:min(420px,100%);background:#fff;border-radius:999px;box-shadow:0 20px 60px -24px rgba(0,0,0,.35),0 0 0 1px rgba(0,0,0,.06);padding:14px 18px;display:flex;align-items:center;gap:12px;font-size:17px;color:#1f1f1f}
.search svg{width:20px;height:20px;flex:0 0 20px;color:#5f6368}
.search__q{flex:1;min-height:1.4em;white-space:nowrap;overflow:hidden}
.search__q::after{content:"";display:inline-block;width:2px;height:1.1em;background:#1a73e8;margin-left:2px;vertical-align:-2px;animation:caret 1s steps(2) infinite}
@keyframes caret{50%{opacity:0}}
.ch--busqueda .ficha{position:absolute;left:50%;top:50%;translate:-50% -50%;width:min(300px,100%);box-shadow:0 40px 90px -30px rgba(0,0,0,.45),0 0 0 1px rgba(0,0,0,.06)}
.ch--busqueda .search{position:absolute;left:50%;top:50%;translate:-50% -50%;transform:translateY(calc(var(--k) * -150px)) scale(calc(1 - var(--k) * .12))}
.ch .tap{animation:none;opacity:calc(var(--k) * (1 - var(--k)) * 4);transform:scale(calc(1 + var(--k) * 1.6))}
.finger{position:absolute;left:50%;top:50%;width:46px;height:46px;border-radius:50%;background:rgba(26,115,232,.18);border:2px solid rgba(26,115,232,.6);translate:-50% -50%;z-index:3;transform:translate(-62px,52px) scale(calc(.4 + var(--k) * .6));opacity:calc(var(--k) * (1 - var(--k)) * 4)}

/* 03 · puerta cerrada (tinta fría) */
.ch--cerrada{--len:240}
.ch--cerrada .bg{background:radial-gradient(60% 60% at 70% 50%,#0f1319,var(--ink) 70%)}
.tpl{position:absolute;inset:0;background:#f4f4f4;color:#333;font-family:Arial,Helvetica,sans-serif;display:flex;flex-direction:column;gap:8px;padding:30px 10px 10px;filter:saturate(.2)}
.tpl__nav{display:flex;justify-content:space-between;align-items:center;font-size:7px;font-weight:700;letter-spacing:.06em;color:#777}
.tpl__nav span{display:flex;gap:5px}.tpl__nav span i{width:14px;height:4px;background:#ccc;border-radius:2px}
.tpl__img{height:34%;background:repeating-linear-gradient(45deg,#e2e2e2 0 8px,#d6d6d6 8px 16px);border-radius:4px;display:grid;place-items:center;color:#9a9a9a;font-size:7px;text-align:center;padding:6px}
.tpl__h{font-size:11px;font-weight:700;color:#444;text-align:center}
.tpl__p{height:5px;background:#ddd;border-radius:3px}.tpl__p--s{width:70%}
.tpl__cookie{margin-top:auto;background:#222;color:#ddd;font-size:6.5px;padding:7px 8px;border-radius:4px;display:flex;justify-content:space-between;align-items:center;gap:6px}
.tpl__cookie b{background:#555;color:#fff;padding:3px 6px;border-radius:3px;font-size:6px}
.loading{position:absolute;inset:0;z-index:4;background:rgba(244,244,244,.92);display:grid;place-items:center;align-content:center;gap:12px;color:#777;font-size:9px;font-family:Arial,Helvetica,sans-serif;opacity:calc(1 - var(--k));pointer-events:none}
.loading i{width:28px;height:28px;border-radius:50%;border:3px solid #ddd;border-top-color:#888;animation:spin 1.1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.loading b{font-variant-numeric:tabular-nums;font-size:13px;color:#555}
.ch--cerrada .phone{box-shadow:0 40px 100px -20px rgba(0,0,0,.9),0 0 0 1px rgba(255,255,255,.08)}
.ch--cerrada .scene__vis::after{content:"";position:absolute;inset:20% 10%;background:radial-gradient(50% 50% at 50% 50%,rgba(120,140,170,.14),transparent 70%);z-index:-1}

/* 04 · puerta abierta (tinta cálida) */
.ch--abierta{--len:250}
.ch--abierta .bg{background:var(--ink)}
.ch--abierta .bg::before{content:"";position:absolute;left:50%;top:-10%;bottom:-10%;width:10px;translate:-50% 0;background:linear-gradient(180deg,transparent,var(--gold) 30%,var(--fire) 70%,transparent);transform:scaleX(calc(1 + var(--p,0) * 90));opacity:calc(.08 + var(--p,0) * .1)}
.ch--abierta .bg::after{content:"";position:absolute;inset:-10%;background:radial-gradient(40% 50% at 50% 55%,rgba(255,140,43,.32),transparent 70%);opacity:var(--p,0)}
.ch .mini{animation:none;transform:translateY(calc(var(--k) * -12%))}
.ch .toast{animation:none;transform:translateY(calc(-140% * (1 - var(--k))))}
.ch .mini__btn{animation:none;box-shadow:0 0 0 calc(var(--k) * 10px) rgba(37,211,102,0)}
.ch--abierta .phone{box-shadow:0 40px 110px -20px rgba(255,120,40,.35),0 0 0 1px rgba(255,255,255,.14)}
.hilo{position:absolute;left:50%;top:50%;translate:-50% -50%;width:min(360px,80%);height:min(360px,80%);border-radius:50%;background:radial-gradient(50% 50% at 50% 50%,rgba(255,176,32,.22),transparent 70%);z-index:-1}

/* ---------- 05 · trabajos: galería horizontal ---------- */
.ch--trabajos{--len:340}
.ch--trabajos .stage{align-items:start;padding-top:100px;overflow:hidden}
.ch--trabajos .in{width:100%}
.work__head{width:min(var(--wrap),100%);margin:0 auto 28px;display:flex;justify-content:space-between;align-items:end;gap:24px}
.work__head .h2{margin:0}
.work__note{font-size:14.5px;color:var(--t-light-3);max-width:32ch;text-align:right}
.rail{display:flex;gap:22px;width:max-content;padding-left:max(var(--pad),calc((100vw - var(--wrap)) / 2));padding-right:var(--pad);transform:translate3d(calc(var(--p,0) * var(--shift,0px)),0,0);will-change:transform}
.wk{position:relative;flex:0 0 auto;width:min(560px,78vw);border-radius:var(--r-lg);overflow:hidden;background:var(--ink2);border:1px solid var(--line-l);display:grid;grid-template-rows:auto auto;transition:border-color .3s}
.wk:hover{border-color:rgba(255,176,32,.5)}
.wk__media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--ink3)}
.wk__media img:first-child{width:100%;height:100%;object-fit:cover;object-position:top;transition:transform .9s var(--ease)}
.wk:hover .wk__media img:first-child{transform:scale(1.04)}
.wk__phone{position:absolute;right:6%;bottom:-18%;width:24%;border-radius:12px;box-shadow:0 20px 50px -14px rgba(0,0,0,.8),0 0 0 1px rgba(255,255,255,.12);transform:rotate(-3deg)}
.wk__body{display:grid;grid-template-columns:1fr auto;gap:4px 16px;padding:18px 20px 20px;align-items:center}
.wk__body h3{font-size:18px;font-weight:600;letter-spacing:-.01em}
.wk__body p{font-size:14px;color:var(--t-light-3)}
.wk__link{grid-column:2;grid-row:1/3;font-size:13px;color:var(--gold);white-space:nowrap}
.wk--cta{display:grid;place-items:center;text-align:center;padding:28px;background:linear-gradient(160deg,rgba(255,176,32,.16),rgba(255,92,26,.06));border-color:rgba(255,176,32,.35);width:min(420px,78vw)}
.wk--cta h3{font-family:var(--display);font-weight:300;font-size:30px;line-height:1.05;margin-bottom:10px}
.wk--cta p{color:var(--t-light-2);max-width:30ch;margin-bottom:18px}
.railbar{width:min(var(--wrap),100%);margin:26px auto 0;height:2px;background:var(--line-l);position:relative}
.railbar i{position:absolute;inset:0;background:var(--beam);transform-origin:0 50%;transform:scaleX(var(--p,0))}

/* ---------- 06 · qué incluye: lista que se enciende ---------- */
.ch--incluye{--len:330}
.incl{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(28px,5vw,80px);align-items:center}
.incl__big{position:sticky;display:grid;gap:14px}
.incl__num{font-family:var(--display);font-style:italic;font-weight:300;font-size:clamp(120px,22vw,300px);line-height:.8;letter-spacing:-.04em;background:var(--beam);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums}
.incl__list{display:grid;gap:6px}
.incl__i{display:grid;grid-template-columns:40px 1fr;gap:14px;padding:12px 14px;border-radius:14px;opacity:.32;transition:opacity .4s,background .4s,transform .5s var(--ease)}
.incl__i.is-now{opacity:1;background:rgba(243,239,230,.04);transform:translateX(8px)}
.incl__i.is-past{opacity:.55}
.incl__n{font-family:var(--display);font-style:italic;color:var(--gold);font-size:18px;padding-top:2px}
.incl__i h3{font-size:18px;font-weight:600;letter-spacing:-.01em;margin-bottom:4px}
.incl__i p{font-size:14.5px;color:var(--t-light-2);line-height:1.45;max-height:0;overflow:hidden;opacity:0;transition:max-height .5s var(--ease),opacity .4s}
.incl__i.is-now p{max-height:120px;opacity:1}

/* ---------- 07 · precios ---------- */
.ch--precios{--len:220}
.ch--precios .stage{padding-top:96px}
.ch--precios .plans{margin-bottom:0}
.ch--precios .plan{--k:0;opacity:var(--k);transform:translate3d(0,calc((1 - var(--k)) * 50px),0)}
.ch--precios .plan--hot{transform:translate3d(0,calc((1 - var(--k)) * 50px),0) scale(calc(.96 + var(--k) * .06))}
.ch--precios .plan__light{opacity:var(--k)}
.pre__head{display:grid;gap:10px;margin-bottom:28px;max-width:760px}
.pre__head .h2,.pre__head .lead{margin:0}
.flow--garantia{padding:0 0 clamp(72px,9vw,120px)}

/* ---------- 08 · proceso (papel) ---------- */
.ch--proceso{--len:220}
.ch--proceso .stage{color:var(--t-dark)}
.proc{display:grid;gap:30px}
.proc .h2{margin:0}
.proc__line{display:block;width:100%;height:120px;overflow:visible}
.proc__line path{fill:none;stroke:var(--ink);stroke-width:1.2;stroke-dasharray:1;stroke-dashoffset:calc(1 - clamp(0,(var(--p,0) - .08) / .78,1));opacity:.5}
.proc__line .dot{fill:url(#beamG)}
.steps--b{margin-top:0;grid-template-columns:repeat(4,1fr);gap:22px}
.steps--b::before{display:none}
.steps--b .step{--k:0;opacity:var(--k);transform:translate3d(0,calc((1 - var(--k)) * 26px),0)}

/* ---------- secciones de flujo normal ---------- */
.flow{padding:clamp(80px,10vw,140px) 0;content-visibility:auto;contain-intrinsic-size:auto 700px}
.flow--light{background:var(--paper);color:var(--t-dark)}
.flow--light .lead{color:var(--t-dark-2)}
.rv{opacity:0;transform:translateY(22px);transition:opacity .9s var(--ease-out),transform .9s var(--ease-out);transition-delay:var(--d,0s)}
.rv.is-in{opacity:1;transform:none}
.fit__grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.fit__list{display:grid;gap:12px}
.fit__list li{position:relative;padding-left:28px;font-size:16px;color:var(--t-light-2)}
.fit__list li::before{position:absolute;left:0;top:.05em;font-weight:700}
.fit__list--yes li::before{content:"✓";color:var(--gold)}
.fit__list--no li::before{content:"×";color:var(--t-light-3)}
.contact__grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.contact__copy{display:grid;gap:18px}
.contact__copy .h2{margin:0}
.contact__direct{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.contact__mail{color:var(--t-light-2);text-decoration:underline;text-underline-offset:4px}

/* ---------- índice lateral de capítulos ---------- */
html.no-ch .chnav{opacity:0;pointer-events:none}
.chnav{transition:opacity .4s;position:fixed;right:22px;top:50%;translate:0 -50%;z-index:70;display:grid;gap:10px}
.chnav a{display:flex;align-items:center;gap:10px;justify-content:flex-end;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--t-light-3);opacity:.65;transition:opacity .3s,color .3s}
.chnav a span{opacity:0;transform:translateX(6px);transition:opacity .3s,transform .3s}
.chnav a i{width:18px;height:1px;background:currentColor;transition:width .3s,background .3s}
.chnav a:hover span,.chnav a.is-now span{opacity:1;transform:none}
.chnav a.is-now{opacity:1;color:var(--gold)}
.chnav a.is-now i{width:30px}
.on-light .chnav a{color:var(--t-dark-3)}
.on-light .chnav a.is-now{color:var(--fire)}
.on-light .nav.is-stuck{background:rgba(243,239,230,.78)}
.on-light .nav{color:var(--t-dark)}
.on-light .nav__mark{color:var(--t-dark)}
.on-light .nav__links{color:var(--t-dark-2)}
.nav{transition:background .4s,backdrop-filter .4s,box-shadow .4s,color .4s}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .steps--b{grid-template-columns:repeat(2,1fr)}
  .proc__line{display:none}
}
@media (max-width:860px){
  .stage{padding:76px var(--pad) 90px}
  .scene{grid-template-columns:1fr;gap:18px;align-items:start}
  .scene__copy{gap:12px}
  .scene__copy .h2{font-size:clamp(28px,8vw,40px);max-width:16ch}
  .scene__copy .lead{font-size:15.5px}
  .lst{gap:6px}.lst li{font-size:14px}
  .scene__vis{min-height:0;height:300px}
  .ch .phone{width:140px}
  .ch--busqueda .ficha{width:min(280px,92%)}
  .ch--busqueda .search{width:min(340px,92%);font-size:15px;transform:translateY(calc(var(--k) * -130px)) scale(calc(1 - var(--k) * .1))}
  .finger{transform:translate(-56px,46px) scale(calc(.4 + var(--k) * .6))}
  .portada__t{font-size:clamp(38px,11.5vw,64px)}
  .puerta{top:56%;width:min(170px,46vw);height:min(330px,40vh)}
  .escena{opacity:.85}
  .portada__cta .btn{width:100%}
  .work__head{flex-direction:column;align-items:flex-start;gap:8px}
  .work__note{text-align:left}
  .ch--trabajos .stage{padding-top:84px}
  .wk{width:min(440px,80vw)}
  .wk__body{grid-template-columns:1fr}.wk__link{grid-column:1;grid-row:auto}
  .incl{grid-template-columns:1fr;gap:10px;align-items:start}
  .incl__num{font-size:clamp(72px,22vw,110px);line-height:.9}
  .incl__big{grid-template-columns:auto 1fr;align-items:end;gap:16px}
  .incl__big .h2{font-size:clamp(24px,6.5vw,32px);margin:0}
  .incl__i{padding:8px 10px;grid-template-columns:28px 1fr;gap:8px}
  .incl__i h3{font-size:15px;margin-bottom:2px}
  .incl__i p{font-size:13px}
  .incl__i.is-now{transform:none}
  .incl__list{gap:2px}
  .fit__grid,.contact__grid{grid-template-columns:1fr}
  .chnav{display:none}
  .steps--b{grid-template-columns:1fr;gap:20px}
  /* precios y proceso no caben pegados en un celular: fluyen normal */
  .ch--precios,.ch--proceso{height:auto}
  .ch--precios .stage,.ch--proceso .stage{position:relative;height:auto;overflow:visible;padding:clamp(72px,10vw,120px) var(--pad)}
}
@media (max-width:480px){
  .portada__facts{flex-direction:column;gap:6px}
}
@media (max-width:860px){.grain{display:none}.polvo{display:none}}

/* ---------- movimiento reducido: todo en su estado final ---------- */
@media (prefers-reduced-motion:reduce){
  .ch{height:auto}
  .stage{position:relative;height:auto;overflow:visible;padding:clamp(72px,10vw,120px) var(--pad)}
  .beat,.ch--precios .plan,.steps--b .step{--k:1!important}
  .portada{opacity:1;transform:none}
  .puerta__hoja{transform:rotateY(-70deg)}
  .piso{animation:none}
  .flood,.scrollcue{display:none}
  .portada__t .w{animation:none;opacity:1;transform:none;filter:none}
  .portada .eyebrow,.portada__lead,.portada__cta,.portada__facts{animation:none}
  .rail{transform:none;overflow-x:auto;width:100%}
  .incl__i{opacity:1}.incl__i p{max-height:none;opacity:1}
  .proc__line path{stroke-dashoffset:0}
  .rv{opacity:1;transform:none}
  .loading{display:none}
  .ch .toast{transform:none}.ch .mini{transform:none}
}