/* ===================== Mayahuel · navegación y piezas v2 ===================== */
.barra .principal{display:flex}
.casas>li{position:relative}
.abre-panel{display:flex;align-items:center;gap:8px;background:none;border:0;cursor:pointer;font:500 var(--s-2)/1 var(--f-dato);letter-spacing:.2em;text-transform:uppercase;color:var(--tinta-2);padding:14px 12px;transition:color .4s}
.abre-panel:hover,.abre-panel[aria-expanded="true"]{color:var(--tinta)}
.abre-panel i{display:block;width:7px;height:7px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:translateY(-2px) rotate(45deg);transition:transform .5s var(--curva)}
.abre-panel[aria-expanded="true"] i{transform:translateY(1px) rotate(225deg)}
.panel{position:fixed;left:0;right:0;top:calc(68px + env(safe-area-inset-top,0px));background:color-mix(in srgb,var(--fondo) 97%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--filo);padding:28px max(16px,env(safe-area-inset-left,0px)) 32px;opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .45s var(--curva),transform .55s var(--curva),visibility 0s .55s}
.panel.abierto{opacity:1;visibility:visible;transform:none;transition:opacity .45s var(--curva),transform .55s var(--curva),visibility 0s}
.panel .rejilla{max-width:1280px;margin-inline:auto;display:grid;grid-template-columns:repeat(3,minmax(0,1fr)) minmax(0,.8fr);gap:18px}
.tarjeta-casa{display:grid;gap:10px;align-content:start;text-decoration:none;color:var(--tinta)}
.tarjeta-casa figure{margin:0;aspect-ratio:16/10;overflow:hidden;background:var(--fondo-2);border:1px solid var(--filo)}
.tarjeta-casa img{width:100%;height:100%;object-fit:cover;transition:transform 1.4s var(--curva)}
.tarjeta-casa:hover img,.tarjeta-casa:focus-visible img{transform:scale(1.06)}
.tarjeta-casa b{font:400 1.5rem/1 var(--f-display)}
.tarjeta-casa span{font-size:var(--s-1);color:var(--tinta-2);line-height:1.5}
.tarjeta-casa small{font:500 var(--s-2)/1 var(--f-dato);letter-spacing:.22em;text-transform:uppercase;color:var(--acento)}
.panel .lateral{display:grid;align-content:start;gap:0;border-left:1px solid var(--filo);padding-left:22px}
.panel .lateral small{font:500 var(--s-2)/1 var(--f-dato);letter-spacing:.22em;text-transform:uppercase;color:var(--acento);margin-bottom:8px}
.panel .lateral a{text-decoration:none;font:400 1.05rem/1.3 var(--f-display);padding:11px 0;border-bottom:1px solid var(--filo);display:flex;justify-content:space-between;gap:10px;color:var(--tinta)}
.panel .lateral a::after{content:"\2192";color:var(--acento);transition:transform .5s var(--curva)}
.panel .lateral a:hover::after{transform:translateX(5px)}

/* cortina móvil */
.cortina{position:fixed;inset:0;z-index:55;background:var(--fondo);display:grid;grid-template-rows:auto 1fr auto;padding:calc(env(safe-area-inset-top,0px) + 14px) max(16px,env(safe-area-inset-right,0px)) calc(env(safe-area-inset-bottom,0px) + 22px) max(16px,env(safe-area-inset-left,0px));clip-path:inset(0 0 100% 0);visibility:hidden;transition:clip-path .7s var(--curva),visibility 0s .7s;overflow-y:auto}
.cortina.abierta{clip-path:inset(0 0 0 0);visibility:visible;transition:clip-path .7s var(--curva),visibility 0s}
.cortina .tope{display:flex;justify-content:space-between;align-items:center;min-height:54px}
.cortina .cerrar{background:none;border:1px solid var(--filo);color:var(--tinta);font:500 var(--s-2)/1 var(--f-dato);letter-spacing:.2em;text-transform:uppercase;padding:14px 16px;border-radius:1px;cursor:pointer}
.cortina ol{list-style:none;margin:18px 0;padding:0;display:grid;align-content:center;counter-reset:c}
.cortina li{counter-increment:c;border-bottom:1px solid var(--filo);overflow:hidden}
.cortina li a{display:grid;grid-template-columns:2.2rem minmax(0,1fr) 64px;align-items:center;gap:12px;padding:15px 0;text-decoration:none;color:var(--tinta);transform:translateY(110%);transition:transform .8s var(--curva)}
.cortina.abierta li a{transform:none}
.cortina li:nth-child(2) a{transition-delay:.06s}.cortina li:nth-child(3) a{transition-delay:.12s}.cortina li:nth-child(4) a{transition-delay:.18s}.cortina li:nth-child(5) a{transition-delay:.24s}
.cortina li a::before{content:counter(c,upper-roman);font:500 var(--s-2)/1 var(--f-dato);letter-spacing:.14em;color:var(--acento)}
.cortina li b{font:400 clamp(1.9rem,1.3rem + 4vw,2.8rem)/1 var(--f-display)}
.cortina li img{width:64px;height:48px;object-fit:cover;border:1px solid var(--filo)}
.cortina .pie{display:grid;gap:14px}
.cortina .pie .boton{text-align:center}
.cortina .pie p{font-size:var(--s-2);color:var(--tinta-2);text-align:center;margin-inline:auto}
html.sin-scroll,html.sin-scroll body{overflow:hidden}

/* índice de capítulos */
.capitulos{position:sticky;top:calc(68px + env(safe-area-inset-top,0px));z-index:30;background:color-mix(in srgb,var(--fondo) 92%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--filo)}
.capitulos ul{list-style:none;margin:0 auto;padding:0;max-width:1280px;display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;scroll-snap-type:x proximity}
.capitulos ul::-webkit-scrollbar{display:none}
.capitulos a{display:block;white-space:nowrap;scroll-snap-align:start;text-decoration:none;font:500 var(--s-2)/1 var(--f-dato);letter-spacing:.18em;text-transform:uppercase;color:var(--tinta-2);padding:16px 12px;border-bottom:1px solid transparent;transition:color .4s,border-color .4s}
.capitulos a:hover{color:var(--tinta)}
.capitulos a[aria-current="true"]{color:var(--tinta);border-bottom-color:var(--acento)}
section[id],div[id].heroe,div[id].proximo,article[id]{scroll-margin-top:124px}

/* cinta de datos */
.cinta{overflow:hidden;border-block:1px solid var(--filo);padding-block:18px;white-space:nowrap}
.cinta .pista{display:inline-flex;animation:cinta 52s linear infinite}
.cinta span{font:400 var(--s1)/1 var(--f-display);color:var(--tinta);padding-right:48px}
.cinta span::after{content:"\2726";font-size:.5em;color:var(--acento);margin-left:48px;vertical-align:middle}
.cinta:hover .pista{animation-play-state:paused}
@keyframes cinta{to{transform:translateX(-50%)}}

/* acordeones */
.acordeon{border-top:1px solid var(--filo)}
.acordeon details{border-bottom:1px solid var(--filo)}
.acordeon summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:22px 0;font:400 var(--s1)/1.25 var(--f-display);color:var(--tinta)}
.acordeon summary::-webkit-details-marker{display:none}
.acordeon summary::after{content:"";flex:none;width:14px;height:14px;background:linear-gradient(var(--acento),var(--acento)) center/100% 1px no-repeat,linear-gradient(var(--acento),var(--acento)) center/1px 100% no-repeat;transition:transform .5s var(--curva)}
.acordeon details[open] summary::after{transform:rotate(45deg)}
.acordeon .resp{padding:0 0 24px;color:var(--tinta-2);display:grid;gap:12px;max-width:64ch}
.acordeon details[open] .resp{animation:abre .6s var(--curva)}
@keyframes abre{from{opacity:0;transform:translateY(-6px)}}
.preguntas{padding-block:clamp(64px,9vw,120px);border-top:1px solid var(--filo)}
.preguntas .ancho{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);gap:clamp(28px,6vw,96px)}
.preguntas h2{font-size:var(--s2)}
@media (max-width:860px){.preguntas .ancho{grid-template-columns:1fr}}

/* tira de video */
.tira{padding-block:clamp(64px,9vw,120px);border-top:1px solid var(--filo)}
.tira .cabeza{display:flex;justify-content:space-between;align-items:end;gap:20px;flex-wrap:wrap;margin-bottom:30px}
.tira .cabeza>div:first-child{display:grid;gap:14px}
.tira h2{font-size:var(--s2)}
.tira .flechas{display:flex;gap:8px}
.tira .flechas button{width:48px;height:48px;border:1px solid var(--filo);background:none;color:var(--tinta);font-size:1.1rem;cursor:pointer;border-radius:1px;transition:border-color .4s,color .4s}
.tira .flechas button:hover{border-color:var(--acento);color:var(--acento)}
.carril{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(260px,31%);gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:thin;scrollbar-color:var(--filo) transparent;padding-bottom:12px;overscroll-behavior-x:contain}
.carril figure{margin:0;scroll-snap-align:start;display:grid;gap:12px;align-content:start}
.carril .marco-video{position:relative;aspect-ratio:4/5;overflow:hidden;background:var(--fondo-2);border:1px solid var(--filo)}
.carril video,.carril img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.carril figcaption{display:grid;gap:4px}
.carril figcaption small{font:500 var(--s-2)/1 var(--f-dato);letter-spacing:.2em;text-transform:uppercase;color:var(--acento)}
.carril figcaption b{font:400 1.3rem/1.1 var(--f-display)}
.carril figcaption span{font-size:var(--s-1);color:var(--tinta-2)}
@media (max-width:700px){.carril{grid-auto-columns:80%}}

/* botón fijo en móvil */
.cta-movil{display:none}
@media (max-width:860px){
  .barra .principal{display:none}
  .cta-movil{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:35;padding:10px max(16px,env(safe-area-inset-left,0px)) calc(10px + env(safe-area-inset-bottom,0px));background:color-mix(in srgb,var(--fondo) 92%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-top:1px solid var(--filo);transform:translateY(110%);transition:transform .6s var(--curva)}
  .cta-movil.visible{transform:none}
  .cta-movil .boton{width:100%;text-align:center}
  .capitulos a{padding:15px 10px}
  .pie-legal{padding-bottom:150px}
}
@media (prefers-reduced-motion:reduce){.cinta .pista{animation:none}.cortina li a{transform:none}}

/* vuelta 2: objetivos táctiles */
.barra .marca{display:inline-flex;align-items:center;min-height:44px}
.cortina .tope .marca{display:inline-flex;align-items:center;min-height:44px}
.casilla input{width:24px!important;height:24px!important;margin-top:1px}
.casilla{min-height:44px;align-items:center;cursor:pointer}

/* v5: idioma y detalles */
.acciones{display:flex;align-items:center;gap:10px}
.idioma{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;font:500 var(--s-2)/1 var(--f-dato);letter-spacing:.2em;text-decoration:none;color:var(--tinta-2);border:1px solid var(--filo);border-radius:1px;transition:color .4s,border-color .4s}
.idioma:hover{color:var(--acento);border-color:var(--acento)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.idioma-cortina{text-align:center;font:500 var(--s-2)/1 var(--f-dato);letter-spacing:.2em;text-transform:uppercase;color:var(--tinta-2);padding:14px;text-decoration:none}
.traduccion-ley{font-size:var(--s-1);color:var(--tinta-2);text-align:center;margin:-10px auto 0;max-width:none}
.pie-legal .fila a{color:var(--tinta-2)}
.lienzo .lamina{position:relative}
.lienzo .lamina video{position:absolute;inset:10px;width:calc(100% - 20px);height:calc(100% - 20px);object-fit:cover}
.lienzo .lamina img{position:absolute;inset:10px;width:calc(100% - 20px);height:calc(100% - 20px);object-fit:cover}
.pina-grande{position:relative;border-top:1px solid var(--filo)}
.pina-grande img{width:100%;height:clamp(380px,80vh,900px);object-fit:cover}
@media (max-width:860px){.acciones .boton{display:none}}

/* v7 · celular: la barra se va al leer y vuelve al subir; toques de 44 px; letra mínima de 12 px */
.barra{transition:transform .55s var(--curva),background .6s var(--curva),border-color .6s}
.barra-oculta .barra{transform:translateY(calc(-100% - 2px))}
.capitulos{transition:top .55s var(--curva)}
.barra-oculta .capitulos{top:0}
@media (max-width:900px){
  :root{--s-2:.75rem}
  .pend{font-size:.75rem}
  .menu-btn{min-height:44px;min-width:56px;padding:15px 16px}
  .capitulos a{padding:17px 12px;min-height:46px;box-sizing:border-box}
  .capitulos ul{-webkit-mask-image:linear-gradient(90deg,#000 0,#000 calc(100% - 36px),transparent);mask-image:linear-gradient(90deg,#000 0,#000 calc(100% - 36px),transparent);padding-inline-end:28px}
  a,button,summary,label{-webkit-tap-highlight-color:transparent}
  a:active,button:active,summary:active{opacity:.72}
}
@media (prefers-reduced-motion:reduce){.barra,.capitulos{transition:none}}
.pie-legal .fila a{display:inline-flex;align-items:center;min-height:44px;min-width:44px;padding-inline:6px}