:root{
  --lima:#C6FF3D;--cian:#22D3EE;--grad:linear-gradient(135deg,#C6FF3D,#22D3EE);
  --tinta:#07080A;--sup:#0F1115;--sup2:#171A20;--sup3:#1F232B;--borde:#232730;--borde2:#313744;
  --tx:#FFFFFF;--tx2:#A3A9B4;--tx3:#6B7280;--ro:#FF5B4D;--ok:#3DDC84;--am:#FFC53D;
  --fd:"Unbounded",system-ui,sans-serif;--fu:"Geist","Inter",system-ui,sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{background:var(--tinta);color:var(--tx);font:15px/1.5 var(--fu);-webkit-font-smoothing:antialiased;overflow-x:hidden}
button,input{font:inherit;color:inherit;background:none;border:0}
button{cursor:pointer}
img{display:block;max-width:100%}
.n{font-variant-numeric:tabular-nums}
.g{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
:focus-visible{outline:2px solid var(--cian);outline-offset:3px;border-radius:8px}

/* ---------- entrada ---------- */
.entrar{min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:40px;padding:32px clamp(16px,6vw,96px);position:relative;overflow:hidden}
.entrar::before{content:"";position:absolute;inset:auto -20% -40% auto;width:70vw;height:70vw;background:radial-gradient(closest-side,rgba(34,211,238,.10),transparent);pointer-events:none}
.e-tunel svg{width:min(100%,560px);height:auto;margin:auto;display:block;overflow:visible}
.e-box{max-width:420px;position:relative;z-index:1}
.e-box .logo{height:28px;width:auto;margin-bottom:44px}
.e-box h1{font:600 clamp(32px,4.2vw,52px)/1.05 var(--fd);letter-spacing:-.02em}
.e-box p.s{color:var(--tx2);font-size:16px;margin:14px 0 28px}
.pin{display:flex;gap:10px}
.pin input{width:52px;height:64px;border-radius:14px;background:var(--sup2);border:1px solid var(--borde2);text-align:center;font:600 24px var(--fd);caret-color:var(--lima);transition:border-color .2s,box-shadow .2s}
.pin input:focus{outline:0;border-color:var(--lima);box-shadow:0 0 0 4px rgba(198,255,61,.12)}
.pin.mal input{border-color:var(--ro)}
.e-err{color:var(--ro);font-size:14px;min-height:22px;margin-top:10px}
.e-demo{margin-top:22px;display:flex;align-items:center;gap:14px;color:var(--tx3);font-size:14px}
.e-demo::before{content:"";height:1px;flex:1;background:var(--borde)}
.e-demo::after{content:"";height:1px;flex:1;background:var(--borde)}

/* ---------- botones y segmentos ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;border-radius:999px;font-weight:600;transition:transform .12s,background .2s,box-shadow .2s}
.btn:active{transform:scale(.97)}
.btn.pri{background:var(--grad);color:#07080A}
.btn.pri:hover{box-shadow:0 0 0 5px rgba(198,255,61,.14)}
.btn.sec{border:1px solid var(--borde2)}
.btn.sec:hover{background:var(--sup2)}
.btn.w{width:100%;margin-top:12px}
.seg{position:relative;display:inline-flex;padding:4px;border-radius:999px;background:var(--sup);border:1px solid var(--borde);isolation:isolate}
.seg button{position:relative;z-index:1;padding:0 16px;min-height:38px;border-radius:999px;font-size:14px;font-weight:600;color:var(--tx2);transition:color .25s;white-space:nowrap}
.seg button[aria-pressed=true]{color:#07080A}
.seg .ind{position:absolute;z-index:0;top:4px;bottom:4px;left:4px;border-radius:999px;background:var(--grad);transition:transform .45s var(--ease),width .45s var(--ease)}
.seg.sub .ind{background:var(--sup3);box-shadow:inset 0 0 0 1px var(--borde2)}
.seg.sub button[aria-pressed=true]{color:var(--tx)}

/* ---------- barra ---------- */
.bar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:20px;padding:14px clamp(16px,3vw,32px);background:rgba(7,8,10,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--borde)}
.bar .logo{height:22px;width:auto}
.bar .modo{margin:0 auto}
.bar-r{display:flex;align-items:center;gap:12px}
.cli{display:flex;align-items:center;gap:10px;font-weight:600;font-size:14px}
.cli i{width:28px;height:28px;border-radius:9px;display:grid;place-items:center;background:var(--sup3);border:1px solid var(--borde2);font:600 12px var(--fd);font-style:normal}
.salir{color:var(--tx3);font-size:13px;min-height:44px;padding:0 6px}
.salir:hover{color:var(--tx)}
.vista{padding:28px clamp(16px,3vw,32px) 64px;max-width:1360px;margin:0 auto}

/* ---------- resultados ---------- */
.res-top{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;align-items:center}
.ejemplo{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--am);padding:6px 12px;border-radius:999px;border:1px solid rgba(255,197,61,.3);background:rgba(255,197,61,.06)}
.ejemplo::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--am)}
.res-main{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:clamp(20px,4vw,56px);align-items:center;margin-top:22px}
.r-tunel{position:relative}
.r-tunel svg{width:100%;height:auto;max-width:600px;display:block;margin:auto;overflow:visible}
.ring{cursor:pointer;transition:opacity .3s}
.ring.off{cursor:default}
.r-frase{font:600 clamp(22px,2.4vw,30px)/1.15 var(--fd);letter-spacing:-.01em;margin-bottom:18px}
.pasos{display:flex;flex-direction:column;gap:6px}
.paso{display:grid;grid-template-columns:26px 1fr auto;align-items:center;gap:4px 14px;width:100%;text-align:left;padding:12px 14px;border-radius:14px;border:1px solid transparent;transition:background .2s,border-color .2s}
.paso:hover,.paso.hl{background:var(--sup2);border-color:var(--borde2)}
.paso .pn{font:600 11px var(--fd);color:var(--tx3)}
.paso .pl{font-weight:500;color:var(--tx2)}
.paso .pv{font:600 26px/1 var(--fd);text-align:right;font-variant-numeric:tabular-nums}
.paso .pc{grid-column:2/4;font-size:12px;color:var(--tx3);display:flex;justify-content:space-between}
.paso.off .pv{color:var(--tx3)}
.paso.fin{background:linear-gradient(135deg,rgba(198,255,61,.08),rgba(34,211,238,.06));border-color:rgba(198,255,61,.22)}
.paso.fin .pl{color:var(--tx);font-weight:600}
.paso.fin .pv{font-size:34px}
.kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:28px}
.kpi{padding:18px;border-radius:16px;background:var(--sup);border:1px solid var(--borde)}
.kpi small{display:block;color:var(--tx3);font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase}
.kpi b{display:block;font:600 clamp(22px,2.2vw,30px)/1.1 var(--fd);margin-top:10px;font-variant-numeric:tabular-nums;white-space:nowrap}
.kpi span{display:block;color:var(--tx3);font-size:13px;margin-top:4px}
.kpi.dest b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nota{margin-top:16px;color:var(--tx2);font-size:14px;display:flex;gap:10px;align-items:baseline}
.nota::before{content:"";flex:none;width:6px;height:6px;border-radius:50%;background:var(--cian);transform:translateY(-2px)}
.tira-t{display:flex;justify-content:space-between;align-items:baseline;margin:36px 0 12px}
.tira-t h3{font:600 15px var(--fd)}
.tira-t span{color:var(--tx3);font-size:13px}
.tira{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(170px,1fr);gap:12px;overflow-x:auto;padding-bottom:6px;scroll-snap-type:x mandatory;scrollbar-width:thin}
.ad{position:relative;scroll-snap-align:start;border-radius:14px;overflow:hidden;background:var(--sup);border:1px solid var(--borde)}
.ad img{width:100%;height:auto;aspect-ratio:3/4;object-fit:cover}
.ad .txt{aspect-ratio:3/4;display:flex;align-items:flex-end;padding:16px;font:600 17px/1.2 var(--fd);background:radial-gradient(120% 80% at 0% 0%,var(--sup3),var(--sup))}
.ad .info{position:absolute;inset:auto 0 0 0;padding:28px 12px 12px;background:linear-gradient(transparent,rgba(7,8,10,.94) 45%);display:flex;justify-content:space-between;align-items:flex-end;gap:8px}
.ad .info b{font:600 20px var(--fd)}
.ad .info small{display:block;color:var(--tx2);font-size:12px}
.sem{width:10px;height:10px;border-radius:50%;flex:none;margin-bottom:6px}
.sem.ok{background:var(--ok);box-shadow:0 0 10px rgba(61,220,132,.7)}
.sem.am{background:var(--am);box-shadow:0 0 10px rgba(255,197,61,.6)}
.sem.ro{background:var(--ro);box-shadow:0 0 10px rgba(255,91,77,.6)}
.ad .hov{position:absolute;inset:0;background:rgba(7,8,10,.86);display:flex;flex-direction:column;justify-content:center;gap:6px;padding:16px;opacity:0;transition:opacity .2s}
.ad:hover .hov,.ad:focus-within .hov{opacity:1}
.ad .hov small{color:var(--tx3);font-size:12px;text-transform:uppercase;letter-spacing:.06em}
.ad .hov b{font:600 18px var(--fd)}

/* ---------- hoja lateral ---------- */
.velo{position:fixed;inset:0;z-index:40;background:rgba(3,4,6,.6);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);opacity:0;pointer-events:none;transition:opacity .3s}
.velo.on{opacity:1;pointer-events:auto}
.hoja{position:fixed;z-index:41;top:0;right:0;bottom:0;width:min(560px,100vw);background:var(--sup);border-left:1px solid var(--borde);transform:translateX(102%);transition:transform .5s var(--ease);overflow-y:auto;overscroll-behavior:contain;padding:28px clamp(18px,3vw,36px) 48px}
.hoja.ancha{width:min(980px,100vw)}
.hoja.on{transform:none}
.hoja .x{position:sticky;top:0;float:right;width:44px;height:44px;border-radius:50%;background:var(--sup2);border:1px solid var(--borde2);font-size:20px;line-height:1;z-index:2}
.hoja .k{color:var(--tx3);font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase}
.hoja h2{font:600 clamp(24px,2.6vw,34px)/1.1 var(--fd);letter-spacing:-.01em;margin:10px 0 6px;max-width:20ch}
.hoja .lead{color:var(--tx2);font-size:15px;max-width:52ch}
.hoja .big{font:600 56px/1 var(--fd);margin:22px 0 4px;font-variant-numeric:tabular-nums}
.spark{width:100%;height:90px;margin-top:18px}
.mini-kv{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px}
.mini-kv div{padding:14px;border-radius:12px;background:var(--sup2);border:1px solid var(--borde)}
.mini-kv small{color:var(--tx3);font-size:12px;display:block}
.mini-kv b{font:600 18px var(--fd)}
.bloque{margin-top:26px}
.bloque>.k{margin-bottom:10px}
.hoja .pie{position:sticky;bottom:-48px;margin:32px calc(-1*clamp(18px,3vw,36px)) -48px;padding:16px clamp(18px,3vw,36px) 24px;background:linear-gradient(transparent,var(--sup) 30%);display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap}

/* ---------- estrategia: red ---------- */
.est-top{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap}
.est-top h1{font:600 clamp(26px,3vw,38px)/1.1 var(--fd);letter-spacing:-.015em}
.est-top p{color:var(--tx2);margin-top:6px}
.prog{min-width:220px}
.prog small{display:flex;justify-content:space-between;color:var(--tx2);font-size:13px;margin-bottom:8px}
.prog .b{height:6px;border-radius:99px;background:var(--sup2);overflow:hidden}
.prog .b i{display:block;height:100%;background:var(--grad);border-radius:99px;transition:width .8s var(--ease)}
.red{position:relative;height:min(68vh,640px);min-height:460px;margin-top:18px;border-radius:24px;background:radial-gradient(60% 60% at 50% 50%,rgba(34,211,238,.05),transparent 70%),var(--sup);border:1px solid var(--borde);overflow:hidden;touch-action:pan-y}
.red::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px);background-size:22px 22px;pointer-events:none;mask-image:radial-gradient(70% 70% at 50% 50%,#000,transparent)}
.red svg.lineas{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:1}
.nodo{position:absolute;left:0;top:0;z-index:2;display:flex;flex-direction:column;align-items:center;gap:8px;width:120px;margin:-46px 0 0 -60px;touch-action:none;user-select:none;-webkit-user-select:none}
.nodo .c{width:76px;height:76px;border-radius:50%;display:grid;place-items:center;background:var(--sup2);border:2px solid var(--borde2);transition:border-color .4s,box-shadow .4s,background .4s,transform .2s}
.nodo:hover .c{transform:scale(1.07)}
.nodo svg{width:28px;height:28px;stroke:var(--tx3);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;transition:stroke .4s}
.nodo b{font-size:13px;font-weight:600;color:var(--tx2);text-align:center;line-height:1.2;padding:3px 8px;border-radius:8px;background:rgba(15,17,21,.85)}
.nodo.revisar .c{border-color:rgba(34,211,238,.55);box-shadow:0 0 18px rgba(34,211,238,.18)}
.nodo.revisar svg{stroke:var(--cian)}
.nodo.aprobado .c{border-color:var(--lima);background:radial-gradient(circle at 30% 30%,rgba(198,255,61,.22),rgba(34,211,238,.10));box-shadow:0 0 26px rgba(198,255,61,.35),0 0 60px rgba(34,211,238,.15)}
.nodo.aprobado svg{stroke:var(--lima)}
.nodo.aprobado b{color:var(--tx)}
.centro-n{position:absolute;z-index:2;left:50%;top:50%;width:112px;height:112px;margin:-56px 0 0 -56px;border-radius:50%;display:grid;place-items:center;text-align:center;background:var(--sup3);border:1px solid var(--borde2);box-shadow:0 0 0 10px rgba(255,255,255,.015),0 0 0 22px rgba(255,255,255,.012)}
.centro-n b{font:600 13px/1.2 var(--fd);padding:0 10px}
.leyenda{display:flex;gap:20px;flex-wrap:wrap;margin-top:14px;color:var(--tx2);font-size:13px}
.leyenda span{display:inline-flex;align-items:center;gap:8px}
.pt{width:10px;height:10px;border-radius:50%;border:1.5px solid var(--tx3)}
.pt.revisar{border-color:var(--cian);background:radial-gradient(circle,var(--cian) 0 35%,transparent 40%)}
.pt.aprobado{border:0;background:var(--grad);box-shadow:0 0 10px rgba(198,255,61,.6)}
.estado-p{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--tx2);padding:6px 12px;border-radius:999px;background:var(--sup2);border:1px solid var(--borde)}

/* ---------- vistas de nodo ---------- */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-top:22px}
.stat{padding:16px;border-radius:14px;background:var(--sup2);border:1px solid var(--borde)}
.stat b{display:block;font:600 26px/1.1 var(--fd)}
.stat small{color:var(--tx3);font-size:13px}
.ruta{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.ruta span{padding:8px 12px;border-radius:999px;background:var(--sup2);border:1px solid var(--borde2);font-size:13px;font-weight:600}
.ruta i{color:var(--tx3);font-style:normal}
.antes-ahora{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.antes-ahora div{padding:16px;border-radius:14px;border:1px solid var(--borde);background:var(--sup2)}
.antes-ahora small{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.antes-ahora p{margin-top:6px;color:var(--tx2);font-size:14px}
.flips{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin-top:22px}
.flip{perspective:1200px;min-height:380px;text-align:left}
.flip .in{position:relative;width:100%;height:100%;min-height:380px;transition:transform .7s var(--ease);transform-style:preserve-3d}
.flip.vuelta .in{transform:rotateY(180deg)}
.flip .cara{position:absolute;inset:0;border-radius:18px;padding:18px;backface-visibility:hidden;-webkit-backface-visibility:hidden;border:1px solid var(--borde2);background:var(--sup2);display:flex;flex-direction:column}
.flip .cara.atras{transform:rotateY(180deg);background:var(--sup3);overflow-y:auto}
.flip .ic{font-size:34px}
.flip h3{font:600 17px/1.2 var(--fd);margin-top:14px}
.flip .q{margin-top:auto;color:var(--tx2);font-size:14px;font-style:italic}
.flip .gira{margin-top:12px;font-size:12px;color:var(--tx3);font-weight:600;letter-spacing:.06em;text-transform:uppercase}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0 14px}
.chip{font-size:12.5px;line-height:1.3;padding:6px 10px;border-radius:10px;background:var(--sup);border:1px solid var(--borde2);color:var(--tx2)}
.chip.ro{border-color:rgba(255,91,77,.35);color:#FFB3AC}
.chip.ok{border-color:rgba(198,255,61,.35);color:#E2FFA0}
.chip.am{border-color:rgba(255,197,61,.35);color:#FFE3A0}
.lbl{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.lbl.ro{color:var(--ro)}.lbl.ok{color:var(--lima)}.lbl.am{color:var(--am)}
.escalera{display:flex;align-items:flex-end;gap:10px;margin-top:26px;min-height:320px}
.esc{flex:1;border-radius:18px 18px 6px 6px;padding:16px;background:var(--sup2);border:1px solid var(--borde2);display:flex;flex-direction:column;gap:6px;transform-origin:bottom}
.esc.top{background:linear-gradient(160deg,rgba(198,255,61,.14),rgba(34,211,238,.08));border-color:rgba(198,255,61,.35)}
.esc small{color:var(--tx3);font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.esc b{font:600 16px/1.2 var(--fd)}
.esc .p{font:600 24px var(--fd);margin-top:auto}
.esc .d{color:var(--tx2);font-size:13px}
.barras{display:flex;flex-direction:column;gap:12px;margin-top:22px}
.barra-r{display:grid;grid-template-columns:1fr auto;gap:6px 12px}
.barra-r span{font-weight:600;font-size:14px}
.barra-r em{font-style:normal;color:var(--tx3);font-size:13px;text-align:right}
.barra-r .t{grid-column:1/-1;height:10px;border-radius:99px;background:var(--sup2);overflow:hidden}
.barra-r .t i{display:block;height:100%;border-radius:99px;background:var(--grad);width:0}
.dest{margin-top:22px;padding:18px;border-radius:16px;border:1px solid rgba(198,255,61,.3);background:linear-gradient(135deg,rgba(198,255,61,.07),rgba(34,211,238,.04));font:600 18px/1.35 var(--fd)}
.voz{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:22px}
.voz>div{padding:16px;border-radius:16px;background:var(--sup2);border:1px solid var(--borde)}
.ejem{margin-top:10px;display:grid;gap:10px}
.ejem div{padding:16px;border-radius:14px;border:1px solid var(--borde);font:600 16px/1.3 var(--fd)}
.ejem .no{border-color:rgba(255,91,77,.35);color:var(--tx2);text-decoration:line-through;text-decoration-color:rgba(255,91,77,.6)}
.ejem .si{border-color:rgba(198,255,61,.35)}
.muro{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.post{padding:12px 14px;border-radius:12px;background:var(--sup2);border:1px solid var(--borde2);max-width:260px}
.post small{display:block;color:var(--tx3);font-size:11px;margin-bottom:4px}
.post b{font-size:14px;font-weight:600}
.post.hueco{border-style:dashed;border-color:var(--lima);background:rgba(198,255,61,.05)}
.huecos{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px;margin-top:18px}
.huecos div{padding:16px;border-radius:14px;background:var(--sup2);border:1px solid var(--borde)}
.huecos b{font:600 15px var(--fd);display:block;margin:6px 0 4px}
.huecos p{color:var(--tx2);font-size:13px}
.carr{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(200px,240px);gap:12px;overflow-x:auto;margin-top:16px;padding-bottom:8px;scroll-snap-type:x mandatory}
.carr .ad{scroll-snap-align:start}
.pasos-g{display:flex;flex-direction:column;gap:0;margin-top:22px}
.pg{display:grid;grid-template-columns:40px 1fr;gap:14px;padding-bottom:18px;position:relative}
.pg::before{content:"";position:absolute;left:19px;top:40px;bottom:0;width:2px;background:var(--borde2)}
.pg:last-child::before{display:none}
.pg i{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:var(--sup3);border:1px solid var(--borde2);font:600 14px var(--fd);font-style:normal}
.pg b{display:block;margin-top:8px}
.pg span{color:var(--tx2);font-size:14px}
.aviso{margin-top:18px;padding:12px 14px;border-radius:12px;border:1px solid rgba(255,197,61,.3);background:rgba(255,197,61,.05);color:var(--tx2);font-size:14px}
.aviso b{color:var(--am)}

/* ---------- carga ---------- */
.cargando{min-height:60vh;display:grid;place-items:center;color:var(--tx3)}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .entrar{grid-template-columns:1fr;text-align:left;padding-top:24px}
  .e-tunel{order:-1}
  .e-tunel svg{width:min(70vw,320px)}
  .e-box .logo{margin-bottom:24px}
  .res-main{grid-template-columns:1fr}
  .r-tunel svg{max-width:420px}
  .kpis{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:720px){
  .bar{flex-wrap:wrap;gap:10px 12px}
  .bar .modo{order:3;margin:0;width:100%}
  .bar .modo button{flex:1}
  .cli span{display:none}
  .pin{gap:8px}
  .pin input{width:calc((100vw - 32px - 40px)/6);max-width:52px;height:58px}
  .red{height:560px;min-height:0}
  .nodo{width:96px;margin:-38px 0 0 -48px}
  .nodo .c{width:60px;height:60px}
  .nodo svg{width:22px;height:22px}
  .nodo b{font-size:11.5px}
  .centro-n{width:84px;height:84px;margin:-42px 0 0 -42px}
  .centro-n b{font-size:11px}
  .voz,.antes-ahora{grid-template-columns:1fr}
  .escalera{min-height:0;flex-direction:column;align-items:stretch}
  .esc{border-radius:16px;height:auto!important}
  .hoja .big{font-size:44px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}