/* B13 Atelier · base común v2. Cada web pone su propio lenguaje encima. */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:clip}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,canvas,video{display:block;max-width:100%}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
[hidden]{display:none!important}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.salto{position:absolute;left:-999px;top:0;z-index:999;padding:10px 14px;background:#000;color:#fff}
.salto:focus{left:8px;top:8px}
.demo{position:relative;z-index:50;display:flex;flex-wrap:wrap;justify-content:center;gap:2px 10px;padding:7px 16px;font:500 12px/1.4 system-ui,-apple-system,"Segoe UI",sans-serif;letter-spacing:.01em;text-align:center}
.demo b{font-weight:700}
/* dato sin confirmar: a la vista, para pedirlo al cliente */
.pend{display:inline-block;font:600 11px/1.3 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;letter-spacing:.02em;padding:2px 6px;border:1px dashed currentColor;border-radius:3px;opacity:.75;vertical-align:middle}

/* Lenis */
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
.lenis.lenis-smooth [data-lenis-prevent]{overscroll-behavior:contain}
.lenis.lenis-stopped{overflow:hidden}

/* estados iniciales: solo con JS y movimiento; si el motor no arranca en 2,5 s, todo se ve */
.js [data-rv]{opacity:0}
.js [data-split]{visibility:hidden}
.sinmov [data-rv],.sinmov [data-split]{opacity:1!important;visibility:visible!important;transform:none!important}
.ln{padding-bottom:.08em;margin-bottom:-.08em}

/* lienzos 3D: entran con un fundido cuando pintan su primer fotograma */
.lienzo{display:block;width:100%;height:100%;opacity:0;transition:opacity 1.2s ease}
.lienzo.listo{opacity:1}

/* cursor que informa (solo ratón) */
.cursor{position:fixed;left:0;top:0;z-index:1000;pointer-events:none;width:12px;height:12px;border-radius:50%;background:var(--cursor,#fff);mix-blend-mode:difference;opacity:0;transition:width .3s cubic-bezier(.2,.8,.2,1),height .3s cubic-bezier(.2,.8,.2,1),opacity .3s;display:grid;place-items:center}
.cursor.ver{opacity:1}
.cursor.sobre{width:46px;height:46px}
.cursor.texto{width:86px;height:86px;mix-blend-mode:normal;background:var(--cursor-f,#111);color:var(--cursor-t,#fff)}
.cursor span{font:700 11px/1 system-ui,sans-serif;letter-spacing:.08em;text-transform:uppercase;opacity:0;transition:opacity .2s}
.cursor.texto span{opacity:1}

/* barra de avance */
.avance{position:fixed;left:0;top:0;right:0;height:3px;z-index:60;transform-origin:0 50%;transform:scaleX(0);pointer-events:none}

/* barra fija del móvil */
.fija{position:fixed;left:0;right:0;bottom:0;z-index:40;display:flex;gap:8px;padding:10px 16px calc(10px + env(safe-area-inset-bottom,0px));transform:translateY(115%);transition:transform .5s cubic-bezier(.2,.8,.2,1)}
.fija.ver{transform:none}
@media (min-width:900px){.fija{display:none}}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .js [data-rv]{opacity:1}
  .js [data-split]{visibility:visible}
}