/* Escenas de la presentación · medidas en el escenario fijo de 1600 × 900 (texto mínimo 17 px) */

/* ===== componentes compartidos ===== */
.pide{margin-top:18px;padding:16px 20px;border-radius:18px;background:rgba(76,155,255,.07);border:1px solid rgba(76,155,255,.3)}
.pide-cab{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}
.pide-cab span{font-size:17px;font-weight:500;color:#9CC6FF}
.pide-cab button{font-size:16px;padding:5px 14px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid var(--line)}
.pide-cab button:hover{background:rgba(255,255,255,.16)}
.pide .pt{font-size:20px;line-height:1.5;color:#E8E8ED}
.pide small{display:block;margin-top:8px;font-size:17px;color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chipb{padding:10px 18px;border-radius:999px;font-size:18px;background:var(--soft);border:1px solid var(--line);color:#D4D4D9;transition:background .3s,border-color .3s,color .3s}
.chipb:hover{background:rgba(255,255,255,.09)}
.chipb.on{background:rgba(46,211,198,.14);border-color:rgba(46,211,198,.55);color:#BDF3EE}
.det{animation:enfoca .55s var(--ease)}
.nota-sim{margin-top:12px;font-size:17px;color:var(--amarillo)}
.aguja{transform-box:view-box;animation:gira 4s linear infinite}
@keyframes gira{to{transform:rotate(360deg)}}
@keyframes cae{from{opacity:0;transform:translateY(-24px)}}
.luz{position:fixed;inset:0;z-index:60;background:rgba(0,0,0,.9);backdrop-filter:blur(12px);display:none;align-items:center;justify-content:center;padding:4vh 4vw;cursor:zoom-out}
.luz.on{display:flex;animation:enfoca .35s var(--ease)}
.luz figure{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr);gap:32px;align-items:center;width:100%;max-width:1700px;margin:0}
.luz figure:has(figcaption:empty){grid-template-columns:1fr;justify-items:center}
.luz img{width:100%;max-height:88vh;object-fit:contain;border-radius:14px;background:#fff;box-shadow:0 40px 80px -20px rgba(0,0,0,.9)}
.luz figcaption{font-size:clamp(16px,1.25vw,21px);line-height:1.5;color:#E5E5EA}
.luz figcaption .k{display:block;font-size:.85em;color:#9CC6FF;margin-bottom:6px}
.luz figcaption .r2{display:block;margin-top:16px;color:#BDF3EE}

/* ===== Prototipar · pregunta → prototipo → observación ===== */
.trip{display:grid;grid-template-columns:1fr 90px 1fr 90px 1fr;align-items:start;margin-top:26px}
.trip svg.ic{width:100%;height:150px;display:block;overflow:visible}
.trip .k{font-size:17px;color:var(--muted);margin-top:12px}
.trip .t{font-family:var(--tt);font-weight:500;font-size:28px;letter-spacing:-.03em;line-height:1.15;margin-top:4px}
.trip .fl{height:150px;display:flex;align-items:center}
.trip .fl svg{width:100%;height:24px;overflow:visible}

/* ===== Prototipar · fidelidad ===== */
.fid .fila{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:24px}
.niv{text-align:left;opacity:.42;transition:opacity .45s,transform .45s var(--ease)}
.niv:hover{opacity:.75}
.niv.on{opacity:1;transform:translateY(-6px)}
.niv svg{display:block;width:100%;height:auto;border-radius:12px;box-shadow:0 20px 40px -20px rgba(0,0,0,.8);transition:box-shadow .4s}
.niv.on svg{box-shadow:0 0 0 2px #2ED3C6,0 24px 50px -18px rgba(46,211,198,.45)}
.niv b{display:block;margin-top:12px;font-family:var(--tt);font-weight:500;font-size:24px;letter-spacing:-.02em}
.niv small{display:block;font-size:17px;color:var(--muted)}
.niv.hoy b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.costo{margin-top:10px}
.costo svg{width:100%;height:64px;display:block;overflow:visible}
.costo text{font-size:17px;fill:var(--muted)}
.costo #fid-m{transition:cx .6s var(--ease),cy .6s var(--ease)}
.fid-det{display:grid;grid-template-columns:.75fr 1.25fr;gap:28px;margin-top:6px;align-items:start}
.fid-det .q{font-family:var(--tt);font-weight:500;font-size:34px;letter-spacing:-.03em;line-height:1.15}
.fid-det .q small{display:block;font-family:'Inter';font-size:17px;letter-spacing:0;color:var(--muted);margin-bottom:6px}
.fid-det .pide{margin-top:0}

/* ===== Prototipar · capas ===== */
.capas{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:20px;align-items:start}
.pila{display:grid;gap:8px;margin-top:14px}
.capa{display:grid;grid-template-columns:1fr auto;align-items:center;gap:12px;padding:13px 18px;border-radius:14px;text-align:left;font-size:20px;background:color-mix(in srgb,var(--c) 14%,transparent);border:1.5px solid color-mix(in srgb,var(--c) 50%,transparent);transition:transform .45s var(--ease),box-shadow .45s,background .45s,border-color .45s,opacity .45s;animation:cae .7s var(--ease) backwards;animation-delay:var(--t)}
.capa.sim{border-style:dashed;background:color-mix(in srgb,var(--c) 6%,transparent)}
.capa.fuera{border-style:dashed;opacity:.55;background:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 8px,transparent 8px 16px)}
.capa em{font-style:normal;font-size:16px;padding:4px 12px;border-radius:999px;background:rgba(0,0,0,.4);color:var(--c)}
.capa:hover{transform:translateX(5px)}
.capa.on{transform:translateX(12px);box-shadow:0 0 0 2px var(--c),0 18px 40px -18px var(--c)}
.cp-det h3{font-family:var(--tt);font-weight:500;font-size:36px;letter-spacing:-.03em}
.cp-det .tag{display:inline-block;margin-top:8px;padding:4px 12px;border-radius:999px;font-size:17px;color:var(--c);background:color-mix(in srgb,var(--c) 14%,transparent)}
.cp-det p{font-size:21px;line-height:1.5;color:#D4D4D9;margin-top:12px}
.cp-ley{margin-top:18px;font-size:18px;color:var(--muted)}

/* ===== Prototipar · cuatro tipos ===== */
.tipos{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:22px}
.tipo{text-align:left;padding:18px;border-radius:20px;border:1px solid transparent;opacity:.5;transition:opacity .45s,background .45s,border-color .45s}
.tipo:hover{opacity:.8}
.tipo.on{opacity:1;background:var(--soft);border-color:var(--line)}
.tipo svg{display:block;width:100%;height:120px;overflow:visible}
.tipo .q{font-family:var(--tt);font-weight:500;font-size:30px;letter-spacing:-.03em;line-height:1.08;margin-top:12px}
.tipo .q em{font-style:normal;color:var(--c)}
.tipo b{display:block;margin-top:8px;font-weight:500;font-size:19px}
.tipo p{margin-top:4px;font-size:18px;color:var(--muted);line-height:1.35}
.tipo small{display:inline-block;margin-top:10px;font-size:16px;padding:3px 11px;border-radius:999px;color:var(--c);background:color-mix(in srgb,var(--c) 14%,transparent)}

/* ===== Prototipar · apariencia frente a comportamiento ===== */
.bonito{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:20px}
.lado h3{display:flex;align-items:baseline;justify-content:space-between;font-family:var(--tt);font-weight:500;font-size:28px;letter-spacing:-.03em;margin-bottom:10px}
.lado h3 span{font-size:17px;color:var(--muted);font-family:'Inter';letter-spacing:0}
.pantalla{position:relative;height:290px;border-radius:14px;overflow:hidden;background:#fff;cursor:pointer;box-shadow:0 24px 50px -24px rgba(0,0,0,.9)}
.pantalla img{width:100%;display:block}
.wire{padding:14px 18px;font-family:'Inter',sans-serif;color:#222;background:#f5f5f6;height:100%}
.wire .cab{display:flex;justify-content:space-between;align-items:center}
.wire .cab b{font-size:19px;font-weight:600}
.wire .ag{padding:7px 14px;border-radius:8px;border:1.5px solid #222;font-weight:600;font-size:16px;background:#fff;color:#111}
.wire .ag:hover{background:#111;color:#fff}
.wire .kp{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:10px}
.wire .kp div{border:1.5px solid #c4c4c8;border-radius:8px;padding:5px 10px;font-size:15px;color:#555;background:#fff}
.wire .kp b{display:block;font-size:19px;color:#111;font-variant-numeric:tabular-nums;transition:color .4s}
.wire .kp b.cambio{color:#00897f}
.wire table{width:100%;border-collapse:collapse;margin-top:8px;font-size:15px}
.wire td{padding:4px 4px;border-bottom:1px solid #ddd}
.wire td:last-child{text-align:right;font-variant-numeric:tabular-nums}
.wire tr.nueva td{background:#dcf4f1;animation:sube .5s var(--ease)}
.wire tr.tope td{color:#d9342b;font-weight:600}
.puntero{position:absolute;z-index:3;width:24px;height:30px;left:var(--x,60%);top:var(--y,60%);transition:left 1s var(--ease),top 1s var(--ease);pointer-events:none;filter:drop-shadow(0 4px 10px rgba(0,0,0,.45))}
.onda{position:absolute;z-index:3;width:34px;height:34px;margin:-17px 0 0 -17px;border-radius:50%;border:2px solid #00B0A5;pointer-events:none;animation:ondear .7s var(--ease) both}
@keyframes ondear{from{transform:scale(.3);opacity:1}to{transform:scale(1.9);opacity:0}}
.sello2{position:absolute;left:50%;top:46%;z-index:4;transform:translate(-50%,-50%) rotate(-4deg);padding:10px 18px;border-radius:999px;background:#FF453A;color:#fff;font-weight:600;font-size:18px;white-space:nowrap;box-shadow:0 12px 30px -8px rgba(255,69,58,.8);animation:pop .5s cubic-bezier(.34,1.56,.64,1) both}
.lado .ley{margin-top:10px;font-size:18px;color:var(--muted);min-height:27px}
.lado .ley b{color:var(--ink);font-weight:500}
.lado .pide{margin-top:12px}
.lado .pide .pt{font-size:18px}

/* ===== Prototipar · incertidumbre ===== */
.curva-g{display:grid;grid-template-columns:1.35fr 1fr;gap:34px;margin-top:16px;align-items:center}
.curva-g svg{width:100%;display:block;overflow:visible}
.curva-g .ax{font-size:17px;fill:var(--muted)}
.curva-g .nv{font-family:var(--tt);font-weight:500;font-size:21px;fill:var(--ink)}
.curva-g .pt-c{cursor:pointer}
.cv-det .k{font-size:17px;color:var(--muted)}
.cv-det h3{font-family:var(--tt);font-weight:500;font-size:36px;letter-spacing:-.03em;line-height:1.12;margin-top:6px}
.cv-det p{font-size:20px;line-height:1.45;color:#D4D4D9;margin-top:10px}

/* ===== Prototipar · proceso de diseño ===== */
.anillo{display:grid;grid-template-columns:1fr 1.05fr;gap:40px;align-items:center;margin-top:6px}
.anillo svg{width:100%;max-width:580px;display:block;overflow:visible}
.anillo .fase{cursor:pointer}
.anillo .fase text{font-family:var(--tt);font-weight:500;font-size:22px;fill:var(--ink)}
.anillo .fase circle.n{transition:r .4s var(--ease),fill .4s}
.an-det .k{font-size:17px;color:var(--muted)}
.an-det h3{font-family:var(--tt);font-weight:500;font-size:40px;letter-spacing:-.035em;margin-top:4px}
.an-det p{font-size:21px;line-height:1.45;color:#D4D4D9;margin-top:10px}

/* ===== Instrucciones · anatomía CRITES-V ===== */
.letras2{display:grid;grid-template-columns:repeat(7,1fr);gap:10px;margin-top:20px}
.letra2{padding:10px 8px 9px;border-radius:16px;text-align:center;background:var(--soft);border:1.5px dashed rgba(255,255,255,.18);transition:all .35s var(--ease)}
.letra2 b{display:block;font-family:var(--tt);font-weight:500;font-size:34px;line-height:1;color:var(--faint);transition:color .35s}
.letra2 small{display:block;margin-top:4px;font-size:17px;color:var(--faint)}
.letra2:hover{border-color:rgba(76,155,255,.5)}
.letra2.on{background:rgba(76,155,255,.14);border:1.5px solid rgba(76,155,255,.6)}
.letra2.on b{color:#F5F5F7}.letra2.on small{color:#9CC6FF}
.crites{display:grid;grid-template-columns:1.05fr 1fr;gap:26px;margin-top:18px;align-items:start}
.prompt-c{padding:18px 20px;border-radius:18px;background:rgba(255,255,255,.035);border:1px solid var(--line);font-size:19px;line-height:1.55;color:#E5E5EA}
.prompt-c .cab{font-size:17px;color:var(--muted);margin-bottom:8px}
.seg-c{animation:enfoca .5s var(--ease)}
.seg-c b{display:inline-block;min-width:22px;margin-right:6px;padding:0 6px;border-radius:6px;background:rgba(76,155,255,.2);color:#9CC6FF;font-weight:600;text-align:center}
.falta-c{display:inline-block;margin:2px 4px 2px 0;padding:1px 10px;border-radius:999px;font-size:17px;color:#FF8A80;border:1.5px dashed rgba(255,69,58,.5)}
.prev{border-radius:14px;overflow:hidden;background:#fff;color:#1d1d1f;font-family:'Inter',sans-serif;box-shadow:0 24px 50px -24px rgba(0,0,0,.9)}
.prev .login{display:flex;gap:8px;align-items:center;padding:7px 14px;background:#2b2b30;color:#ddd;font-size:15px}
.prev .login i{display:inline-block;width:70px;height:16px;border-radius:4px;background:#555}
.prev .cuerpo{padding:14px 16px}
.prev .cab2{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.prev .cab2 b{font-size:20px;font-weight:600}
.prev .cab2 small{display:block;font-size:15px;color:#6e6e73}
.prev .bt{padding:7px 12px;border-radius:9px;background:#00B0A5;color:#fff;font-size:15px;font-weight:600;white-space:nowrap}
.prev .kp{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:10px}
.prev .kp div{background:#f4f4f6;border-radius:9px;padding:6px 10px;font-size:14px;color:#6e6e73}
.prev .kp b{display:block;font-size:19px;color:#1d1d1f;font-variant-numeric:tabular-nums}
.prev .kp b.mal{color:#d9342b;outline:2px dashed #d9342b;outline-offset:2px;border-radius:4px}
.prev table{width:100%;border-collapse:collapse;margin-top:8px;font-size:15px}
.prev td{padding:5px 4px;border-top:1px solid #ececf0}
.prev td:last-child{text-align:right;font-variant-numeric:tabular-nums}
.prev .inv{font-size:12.5px;padding:1px 7px;border-radius:999px;background:#ffe9b3;color:#7a5600;margin-left:6px}
.prev .err{margin-top:8px;font-size:14px;color:#d9342b}
.prev .sup{margin-top:8px;font-size:14px;color:#00897f}
.prev .vacio2{padding:44px 20px;text-align:center;color:#6e6e73;font-size:17px}
.supuestos{margin-top:14px;display:grid;grid-template-columns:auto 1fr;gap:6px 16px;align-items:start}
.supuestos .n{grid-row:span 2;font-family:var(--tt);font-weight:500;font-size:64px;line-height:.9;letter-spacing:-.05em;color:#FF8A80;font-variant-numeric:tabular-nums}
.supuestos .n.cero{color:#2ED3C6}
.supuestos .t{font-size:18px;color:var(--muted)}
.supuestos ul{list-style:none;padding:0;margin:0;font-size:17px;color:#FFB3AA;line-height:1.45}
.ilus{margin-top:10px;font-size:17px;color:var(--amarillo)}

/* ===== Instrucciones · vaga frente a precisa ===== */
.pares{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}
.par{position:relative;text-align:left;padding:20px 22px;border-radius:20px;background:var(--soft);border:1px solid var(--line);min-height:200px;transition:border-color .4s,background .4s}
.par:hover{border-color:rgba(255,255,255,.2)}
.par .vago{font-family:var(--tt);font-weight:500;font-size:34px;letter-spacing:-.03em;color:#F5F5F7;transition:font-size .5s var(--ease),color .5s}
.par .vago small{display:block;font-family:'Inter';font-size:17px;letter-spacing:0;color:#FF8A80;margin-bottom:6px}
.par .preciso{display:none;margin-top:10px;font-size:19px;line-height:1.5;color:#E8E8ED}
.par .preciso small{display:block;font-size:17px;color:#9CC6FF;margin-bottom:4px}
.par .agrega{display:none;margin-top:10px;flex-wrap:wrap;gap:6px}
.par .agrega span{font-size:16px;padding:3px 11px;border-radius:999px;background:rgba(46,211,198,.12);color:#BDF3EE}
.par.on{background:rgba(76,155,255,.06);border-color:rgba(76,155,255,.45)}
.par.on .vago{font-size:22px;color:#8A8A93;text-decoration:line-through;text-decoration-color:rgba(255,69,58,.75)}
.par.on .preciso{display:block;animation:sube .6s var(--ease) both}
.par.on .agrega{display:flex;animation:sube .6s var(--ease) .15s both}

/* ===== Instrucciones · el arte de la iteración ===== */
.iterar{display:grid;grid-template-columns:.95fr 1.05fr;gap:24px;margin-top:18px;align-items:start}
.it-hilo{display:flex;flex-direction:column;gap:8px;min-height:120px}
.it-msg{max-width:94%;padding:11px 15px;border-radius:16px;font-size:18px;line-height:1.45;animation:sube .5s var(--ease) both}
.it-msg.u{align-self:flex-end;background:rgba(255,255,255,.1);border-bottom-right-radius:5px}
.it-msg.a{background:rgba(46,211,198,.08);border:1px solid rgba(46,211,198,.28);border-bottom-left-radius:5px}
.it-msg.a.mal{background:rgba(255,69,58,.08);border-color:rgba(255,69,58,.4)}
.it-cab{margin:14px 0 8px;font-size:17px;color:var(--muted)}
.it-ops{display:grid;gap:8px}
.it-op{text-align:left;padding:12px 16px;border-radius:14px;background:var(--soft);border:1px solid var(--line);font-size:18px;line-height:1.4;transition:background .3s,border-color .3s,opacity .3s}
.it-op:hover{background:rgba(76,155,255,.1);border-color:rgba(76,155,255,.5)}
.it-op.usada{opacity:.35;pointer-events:none;text-decoration:line-through}
.it-lec{margin-top:12px;padding:12px 16px;border-radius:14px;font-size:18px;line-height:1.45;background:rgba(245,200,75,.08);border:1px solid rgba(245,200,75,.3);color:#F7DC8F;animation:sube .5s var(--ease) both}
.it-lec.bien{background:rgba(46,211,198,.08);border-color:rgba(46,211,198,.35);color:#BDF3EE}
.nav-m{position:relative;border-radius:16px;overflow:hidden;background:#fff;box-shadow:0 30px 60px -30px rgba(0,0,0,.9)}
.nav-m .barra-n{display:flex;align-items:center;gap:8px;padding:9px 14px;background:#ececef;color:#555;font-size:15px}
.nav-m .barra-n i{width:11px;height:11px;border-radius:50%;background:#d0d0d4}
.nav-m .url{flex:1;margin-left:8px;padding:4px 12px;border-radius:7px;background:#fff;color:#333}
.nav-m .ver{position:relative;height:372px;overflow:hidden;background:#fff}
.nav-m .ver img{width:100%;display:block;transition:filter .7s var(--ease)}
.nav-m .vtag{position:absolute;right:12px;top:12px;padding:5px 12px;border-radius:999px;background:#111;color:#fff;font-size:16px;font-weight:600;animation:pop .5s cubic-bezier(.34,1.56,.64,1) both}
.nav-m .falla{position:absolute;left:12px;right:12px;bottom:12px;padding:10px 14px;border-radius:12px;background:#FF453A;color:#fff;font-size:17px;font-weight:500;line-height:1.35;animation:sube .5s var(--ease) both}
.it-med{display:flex;gap:28px;margin-top:12px;font-size:17px;color:var(--muted)}
.it-med b{display:block;font-family:var(--tt);font-weight:500;font-size:32px;line-height:1;color:var(--ink);font-variant-numeric:tabular-nums}
.it-reglas{display:grid;grid-template-columns:1fr 1fr;gap:6px 14px;margin-top:10px;font-size:17px;color:#BDF3EE}

/* ===== Instrucciones · cinco versiones de un prototipo ===== */
.tira-fila{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:18px;align-items:start}
.cuadro{text-align:left;animation:sube .7s var(--ease) both;animation-delay:var(--t)}
.cuadro .im{position:relative;border-radius:12px;overflow:hidden;background:#fff;aspect-ratio:4/3;cursor:zoom-in;transition:transform .35s var(--ease),box-shadow .35s}
.cuadro .im:hover{transform:translateY(-4px);box-shadow:0 20px 40px -16px rgba(46,211,198,.55)}
.cuadro .im img{width:100%;height:100%;object-fit:cover;object-position:top left;display:block}
.cuadro .v{position:absolute;left:8px;top:8px;padding:3px 10px;border-radius:999px;background:#111;color:#fff;font-size:16px;font-weight:600}
.cuadro .v.corr{background:#FF453A}
.cuadro b{display:block;margin-top:10px;font-weight:500;font-size:18px}
.cuadro p{margin-top:4px;font-size:17px;color:var(--muted);line-height:1.4;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}
.tira-nota{margin-top:16px;font-size:17px;color:var(--muted)}

/* ===== Apertura ===== */
.cita{font-family:var(--tt);font-weight:500;font-size:44px;line-height:1.22;letter-spacing:-.03em;max-width:30ch;margin-top:26px;min-height:162px}
.cita .cur::after{content:"";display:inline-block;width:3px;height:.9em;margin-left:3px;vertical-align:-3px;background:#2ED3C6;animation:parpadea 1s steps(1) infinite}
.fichas4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:34px}
.ficha4{display:grid;grid-template-columns:64px 1fr;gap:14px;align-items:center;padding:16px 18px;border-radius:20px;background:var(--soft);border:1px solid var(--line);opacity:.18;transform:translateY(10px);transition:opacity .6s var(--ease),transform .6s var(--ease),border-color .6s}
.ficha4.on{opacity:1;transform:none;border-color:color-mix(in srgb,var(--c) 45%,transparent)}
.ficha4 svg{width:64px;height:64px;overflow:visible}
.ficha4 b{font-family:var(--tt);font-weight:500;font-size:24px;letter-spacing:-.02em;line-height:1.15}
.mesa .vidrio{background:none;border:0;box-shadow:none;backdrop-filter:none;padding:0;overflow:visible}
.mesa .vidrio::after{display:none}
.mesa svg{height:140px}
.mesa .num{font-size:88px}
.franja button span{position:absolute;left:8px;right:6px;bottom:8px;font-size:16px;color:rgba(255,255,255,.85);text-align:left;white-space:nowrap;overflow:hidden;text-overflow:clip}
.franja button.on span{color:#000;font-weight:500}
.franja button.ahora::after{content:"Ahora";position:absolute;left:50%;top:-30px;transform:translateX(-50%);padding:2px 10px;border-radius:999px;background:#FF453A;color:#fff;font-size:15px;font-weight:600}

/* ===== Método · seis prácticas ===== */
.practicas{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:24px}
.practica{display:grid;grid-template-columns:110px 1fr;gap:16px;align-items:center;text-align:left;padding:16px 18px;border-radius:20px;background:var(--soft);border:1px solid var(--line);transition:background .35s,border-color .35s;animation:sube .8s var(--ease) backwards;animation-delay:var(--t)}
.practica:hover{background:rgba(255,255,255,.07)}
.practica.on{background:rgba(157,140,255,.1);border-color:rgba(157,140,255,.5)}
.practica svg{width:110px;height:74px;overflow:visible}
.practica b{display:block;font-family:var(--tt);font-weight:500;font-size:24px;letter-spacing:-.02em;line-height:1.15}
.practica small{display:block;margin-top:4px;font-size:17px;color:var(--muted)}
.pr-det{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:18px}
.pr-det div{padding-top:12px;border-top:2px solid var(--c)}
.pr-det span{display:block;font-size:17px;color:var(--muted);margin-bottom:4px}
.pr-det p{font-size:20px;line-height:1.45}

/* ===== El caso · documentos ===== */
.docs{display:grid;grid-template-columns:1.5fr 1fr;gap:30px;margin-top:20px;align-items:start}
.docs.dos{grid-template-columns:1fr 1fr}
.papel{border-radius:10px;background:#F3F4F6;color:#1d1d1f;padding:22px 28px 18px;box-shadow:0 30px 60px -24px rgba(0,0,0,.9);animation:sube .9s var(--ease) backwards;animation-delay:var(--t)}
.papel header{display:flex;align-items:baseline;gap:14px;padding-bottom:12px;border-bottom:2px solid #1d1d1f}
.papel header b{font-family:var(--tt);font-weight:600;font-size:34px;letter-spacing:-.04em}
.papel header span{font-size:19px;color:#55555c}
.papel header em{margin-left:auto;font-style:normal;font-size:17px;padding:3px 12px;border-radius:999px;background:var(--c);color:#fff}
.papel .ps{padding:14px 0;border-bottom:1px solid #d7d7dc}
.papel .ps:last-child{border-bottom:0}
.papel .ps small{display:block;font-size:17px;color:#00897f;font-weight:600;margin-bottom:4px}
.papel .ps p{font-size:21px;line-height:1.5}
.papel mark{background:rgba(0,0,0,.08);color:#000;font-weight:600;border-radius:4px;padding:0 3px}
.papel .fict{margin-top:10px;font-size:17px;color:#8a6d00}
.sust{display:inline-flex;margin-top:8px;padding:4px 12px;border-radius:999px;font-size:17px;background:#e6efff;color:#1f5fd1;border:1px solid #b8cff7;cursor:pointer}
.sust:hover{background:#d6e5ff}
.original{margin-top:8px;padding:10px 12px;border-radius:8px;background:#fdeceb;border:1px dashed #e7958f;font-size:18px;line-height:1.45;color:#7c2b25;animation:sube .5s var(--ease) both}
.original s{text-decoration-color:#d9342b}
.lado-doc .cita2{display:inline-flex;margin-top:12px;padding:6px 14px;border-radius:999px;background:rgba(46,211,198,.14);color:#BDF3EE;font-size:19px}
.lado-doc p{font-size:20px;line-height:1.5;color:#D4D4D9;margin-top:10px}
.lado-doc h3{font-family:var(--tt);font-weight:500;font-size:30px;letter-spacing:-.03em}

/* ===== El caso · contrato ilustrado ===== */
.contrato2{display:grid;grid-template-columns:1fr 1fr;gap:34px;margin-top:22px;align-items:center}
.reglas{display:grid;gap:6px}
.regla2{display:grid;grid-template-columns:52px 1fr;gap:14px;align-items:baseline;text-align:left;padding:12px 14px;border-radius:14px;opacity:.4;transition:opacity .4s,background .4s}
.regla2:hover{opacity:.75}
.regla2.on{opacity:1;background:var(--soft)}
.regla2 .k{font-family:var(--tt);font-weight:500;font-size:34px;letter-spacing:-.05em;color:var(--faint)}
.regla2.on .k{color:#A6D34A}
.regla2 p{font-size:21px;line-height:1.38}
.regla2 p b{font-weight:500;color:#A6D34A}
.ilu{min-height:330px}
.ilu svg{width:100%;display:block;overflow:visible}
.ilu text{font-family:'Inter',sans-serif}

/* ===== El caso · estados agrupados ===== */
.grupos3{display:grid;grid-template-columns:2fr 3fr 2fr;gap:22px;margin-top:22px}
.grupo3 h3{font-size:18px;font-weight:500;color:var(--muted);padding-bottom:10px;border-bottom:1px solid var(--line);margin-bottom:12px}
.grupo3 .fila3{display:flex;gap:10px}
.est{flex:1;text-align:center;padding:12px 6px;border-radius:16px;transition:background .35s}
.est:hover{background:rgba(255,255,255,.05)}
.est.on{background:var(--soft);box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--c) 50%,transparent)}
.est svg{width:56px;height:56px;overflow:visible}
.est b{display:block;margin-top:8px;font-family:var(--tt);font-weight:500;font-size:21px;letter-spacing:-.02em;line-height:1.15}
.es-det{display:grid;grid-template-columns:.8fr 1.2fr;gap:24px;margin-top:18px;align-items:start}
.es-det h3{font-family:var(--tt);font-weight:500;font-size:32px;letter-spacing:-.03em}
.es-det p{font-size:20px;line-height:1.45;color:#D4D4D9;margin-top:6px}
.es-det .pide{margin-top:0}

/* ===== El caso · ramas ===== */
.ramas svg{width:100%;display:block;overflow:visible;margin-top:10px}
.ramas .rama{cursor:pointer}
.ramas .rq{font-family:var(--tt);font-weight:500;font-size:22px;fill:var(--ink)}
.ramas .rr{font-size:17px;fill:var(--muted)}
.ramas .feliz{font-size:18px;fill:#BDF3EE}

/* ===== Construir · recorrido, preguntas y pausa ===== */
.via .paso-v{cursor:pointer}
.rv-det{display:grid;grid-template-columns:.8fr 1.2fr;gap:26px;margin-top:4px;align-items:start}
.rv-det h3{font-family:var(--tt);font-weight:500;font-size:32px;letter-spacing:-.03em}
.rv-det p{font-size:20px;line-height:1.45;color:#D4D4D9;margin-top:6px}
.rv-det .pide{margin-top:0}
.desb{display:grid;grid-template-columns:1fr 1.15fr;gap:30px;margin-top:22px;align-items:start}
.sits{display:grid;gap:6px}
.sit{display:grid;grid-template-columns:34px 1fr;gap:12px;align-items:center;text-align:left;padding:11px 14px;border-radius:14px;font-size:20px;opacity:.45;transition:opacity .35s,background .35s}
.sit:hover{opacity:.8}
.sit.on{opacity:1;background:var(--soft)}
.sit i{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font-style:normal;font-size:16px;background:rgba(90,200,250,.14);color:#5AC8FA}
.preg{position:relative;padding:28px 30px;min-height:330px}
.preg svg{width:84px;height:84px;overflow:visible}
.preg .k{margin-top:10px;font-size:17px;color:var(--muted)}
.preg h3{font-family:var(--tt);font-weight:500;font-size:40px;letter-spacing:-.035em;line-height:1.15;margin-top:6px}
.candado .arco{transition:transform .6s var(--ease);transform-box:fill-box;transform-origin:right bottom}
.candado.abierto .arco{transform:rotate(-28deg) translateY(-6px)}
.pausa{display:grid;grid-template-columns:1fr 1fr;gap:34px;margin-top:20px;align-items:start}
.equipos4{position:relative;height:300px}
.equipos4 .p{position:absolute;width:30px;height:30px;margin:-15px 0 0 -15px;border-radius:50%;transition:left 1.2s var(--ease),top 1.2s var(--ease);box-shadow:0 0 14px var(--c);background:var(--c)}
.equipos4 .eq{position:absolute;font-size:17px;color:var(--muted);transform:translateX(-50%)}
.equipos4 .ley4{position:absolute;left:0;bottom:0;display:flex;gap:16px;font-size:17px;color:var(--muted)}
.equipos4 .ley4 i{display:inline-block;width:12px;height:12px;border-radius:50%;margin-right:6px;background:var(--c)}
.checks{display:grid;gap:12px}
.chk2{display:grid;grid-template-columns:36px 1fr;gap:12px;align-items:start;font-size:21px;line-height:1.4;animation:sube .7s var(--ease) backwards;animation-delay:var(--t)}
.chk2 svg{width:32px;height:32px}
.recorte2{margin-top:16px;display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:center;padding:16px 20px}
.recorte2 .h{font-family:var(--tt);font-weight:500;font-size:40px;letter-spacing:-.05em;color:var(--amarillo)}
.recorte2 p{font-size:19px;line-height:1.45;color:#D4D4D9}

/* ===== Probar · escena, hoja, registro y alcance ===== */
.escena2{display:grid;grid-template-columns:1.2fr 1fr;gap:30px;margin-top:14px;align-items:center}
.escena2 svg{width:100%;display:block;overflow:visible}
.escena2 .fig{cursor:pointer}
.escena2 .fig text{font-size:19px;fill:var(--muted)}
.escena2 .fig.on text{fill:var(--ink)}
.ec-det h3{font-family:var(--tt);font-weight:500;font-size:34px;letter-spacing:-.03em}
.ec-det p{font-size:21px;line-height:1.45;color:#D4D4D9;margin-top:8px}
.regs{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px}
.regs div{padding:12px 14px;border-radius:14px;background:var(--soft);border:1px solid var(--line);font-size:18px}
.regs b{display:block;font-family:var(--tt);font-weight:500;font-size:22px;color:#FF8A80}
.hoja2{margin-top:18px;border-radius:10px;background:#F3F4F6;color:#1d1d1f;padding:20px 26px;box-shadow:0 30px 60px -24px rgba(0,0,0,.9);display:grid;grid-template-columns:repeat(3,1fr);gap:12px 26px}
.campo2{grid-column:span 3}
.campo2.c1{grid-column:span 1}
.campo2 small{display:block;font-size:17px;color:#55555c}
.campo2 .lin2{min-height:32px;border-bottom:1.5px solid #9a9aa2;font-size:20px;color:#1f5fd1;font-style:italic;padding:2px 2px 4px}
.campo2 .lin2 span{animation:sube .5s var(--ease) both}
.devol{margin-top:14px;font-size:19px;color:var(--muted)}
.devol b{color:var(--ink);font-weight:500}
.flujo svg{width:100%;display:block;overflow:visible;margin-top:12px}
.flujo .nv{font-family:var(--tt);font-weight:500;font-size:22px;fill:var(--ink)}
.flujo .nd2{opacity:.15;transition:opacity .5s}
.flujo .nd2.on{opacity:1}
.flujo .tt{position:relative}
.flujo-txt{display:grid;grid-template-columns:repeat(7,1fr);gap:10px;margin-top:-6px}
.flujo-txt div{font-size:18px;line-height:1.35;color:#D4D4D9;opacity:.12;transition:opacity .5s}
.flujo-txt div.on{opacity:1}
.siono2{display:grid;grid-template-columns:.7fr 1fr 1fr;gap:30px;margin-top:24px;align-items:start}
.siono2 svg.dos{width:100%;display:block;overflow:visible}
.siono2 h3{display:flex;align-items:center;gap:10px;font-family:var(--tt);font-weight:500;font-size:28px;letter-spacing:-.03em;margin-bottom:12px}
.siono2 h3 i{width:12px;height:12px;border-radius:50%;background:var(--c);box-shadow:0 0 14px var(--c)}
.si-it{display:grid;grid-template-columns:30px 1fr;gap:10px;align-items:start;font-size:21px;line-height:1.38;margin-bottom:12px;animation:sube .7s var(--ease) backwards;animation-delay:var(--t)}
.si-it svg{width:26px;height:26px;margin-top:3px}
.no-it{position:relative;font-size:21px;line-height:1.38;margin-bottom:12px;padding-left:4px;color:#C9C9CF;animation:sube .7s var(--ease) backwards;animation-delay:var(--t)}
.no-it span{text-decoration:line-through;text-decoration-thickness:2.5px;text-decoration-color:transparent;animation:tachar .6s var(--ease) forwards;animation-delay:calc(var(--t) + 600ms)}
@keyframes tachar{to{text-decoration-color:#FF453A}}

/* ===== ajustes de altura tras la revisión ===== */
.portada h1{max-width:11ch}
.dis{padding:18px 20px}
.wf{height:150px}
.vr{margin-top:10px}
.medir{margin-top:14px}
.rub2{display:grid;grid-template-columns:1.45fr 1fr;gap:44px;align-items:center;margin-top:22px}
.rub2 .rub{margin-top:0;gap:10px}
.rub2 .dos-ev{margin-top:0;font-size:21px;line-height:1.5}
.anillo svg{max-width:500px}
.hoja2{gap:8px 26px;padding:16px 24px}
.campo2 .lin2{min-height:28px;font-size:19px}
.split .pide{margin-top:24px}

/* ===== Instrucciones · cómo se pide un visual interactivo ===== */
.vis{display:grid;grid-template-columns:1fr 1.05fr;gap:28px;margin-top:20px;align-items:start}
.vis .pide{margin-top:0}
.vis-chk{margin-top:16px}
.vis-chk b{display:block;font-size:17px;font-weight:500;color:var(--muted);margin-bottom:6px}
.vis-chk div{display:flex;gap:10px;align-items:baseline;font-size:20px;line-height:1.4;margin-bottom:6px}
.vis-chk i{flex:none;width:9px;height:9px;border-radius:50%;background:#4C9BFF;transform:translateY(-2px)}
.vis-prev{border-radius:18px;background:rgba(255,255,255,.03);border:1px solid var(--line);padding:18px 20px;min-height:330px}
.vis-prev .cap{font-size:17px;color:var(--muted);margin-bottom:10px}
.vis-prev svg{width:100%;display:block;overflow:visible}
.vis-prev svg text{font-family:'Inter',sans-serif}

/* ===== v3 · revisión de la sesión ===== */
.oculto{display:none!important}
.sin-prompt{padding:16px 20px;border-radius:18px;background:var(--soft);border:1px solid var(--line);font-size:20px;line-height:1.5;color:#D4D4D9}
/* maqueta de CRITES-V legible a 1280 × 720 */
.prev .login{font-size:16px}
.prev .cab2 b{font-size:21px}.prev .cab2 small{font-size:16px}
.prev .bt{font-size:16px}
.prev .kp div{font-size:16px}.prev .kp b{font-size:21px}
.prev table{font-size:17px}
.prev .inv{font-size:15px}
.prev .err,.prev .sup{font-size:16px}
.prev .vacio2{font-size:19px}
/* estados: pregunta al equipo antes de revelar */
.es-q{margin-top:26px;max-width:1100px}
.es-q>p{font-family:var(--tt);font-weight:500;font-size:46px;letter-spacing:-.035em;line-height:1.15;color:#F5F5F7}
.es-q .pide{margin-top:24px}
.es-det2{margin-top:16px}
.es-det2 h3{font-family:var(--tt);font-weight:500;font-size:30px;letter-spacing:-.03em}
.es-det2 p{font-size:21px;line-height:1.45;color:#D4D4D9;margin-top:4px}
.rm-q{margin-top:6px}
.rm-q>p{font-size:21px;color:#D4D4D9;margin-bottom:-6px}
/* vaga frente a precisa: la pantalla que produce cada una */
.par2{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:18px}
.lado2{padding:18px 20px;border-radius:20px;background:var(--soft);border:1px solid var(--line)}
.lado2.mal{border-color:rgba(255,69,58,.4)}
.lado2.bien{border-color:rgba(46,211,198,.45)}
.lado2 .et{font-size:17px;font-weight:500}
.lado2.mal .et{color:#FF8A80}.lado2.bien .et{color:#BDF3EE}
.lado2 .vg{font-family:var(--tt);font-weight:500;font-size:40px;letter-spacing:-.03em;margin:6px 0 10px}
.lado2 .pc{font-size:19px;line-height:1.5;color:#E8E8ED;margin:6px 0 10px}
.lado2 .res{margin-top:10px;font-size:19px;line-height:1.4}
.lado2.mal .res{color:#FFB3AA}.lado2.bien .res{color:#BDF3EE}
.agrega2{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.agrega2 span{font-size:16px;padding:3px 11px;border-radius:999px;background:rgba(46,211,198,.12);color:#BDF3EE}
.mk{border-radius:12px;background:#fff;color:#1d1d1f;padding:12px 14px;font-size:17px;min-height:150px;font-family:'Inter',sans-serif}
.mk-cab{margin:-12px -14px 10px;padding:9px 14px;border-radius:12px 12px 0 0;background:#10343C;color:#fff;font-weight:600;font-size:17px}
.mk-kp{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.mk-kp div{background:#f4f4f6;border-radius:9px;padding:6px 10px;font-size:15px;color:#6e6e73}
.mk-kp b{display:block;font-size:22px;color:#1d1d1f;font-variant-numeric:tabular-nums}
.mk-kp b.malo{color:#d9342b;outline:2px dashed #d9342b;outline-offset:2px;border-radius:4px}
.mk-kp b.bueno{color:#00897f}
.mk-ok{margin-top:10px;font-size:16px;color:#00897f;font-weight:600}
.mk-f{display:flex;align-items:center;justify-content:space-between;padding:7px 2px;border-bottom:1px solid #ececf0}
.mk-f i{width:12px;height:12px;border-radius:50%}
.mk-f em{font-style:normal;font-size:15px;font-weight:600}
.mk-log{padding:6px 10px;border-radius:8px;background:#2b2b30;color:#ddd;font-size:15px}
.mk-gr{display:flex;gap:8px;margin-top:10px}
.mk-gr i{flex:1;height:54px;border-radius:8px;border:1.5px dashed #c4c4c8}
.mk-err{margin-top:10px;padding:8px 10px;border-radius:8px;background:#fdeceb;color:#b3261e;font-size:16px;font-weight:600}
.mk-chat .mk-b{display:inline-block;padding:8px 12px;border-radius:12px;background:#f0f0f3;font-size:17px;margin-bottom:6px}
.mk-chat .mk-b.ia{display:block;width:max-content;background:#e3f6f4}
.mk-term{background:#0a0a0c;color:#C9C9CF;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:16px;line-height:1.7}
.mk-term .ok{color:#5BE0D3}.mk-term .pend{color:#F5C84B}
/* juego de iteración: maquetas del resultado */
.mk2{background:#fff;color:#1d1d1f;font-family:'Inter',sans-serif;font-size:16px;padding:14px 16px;min-height:100%}
.mk2-cab{margin:-14px -16px 12px;padding:10px 16px;background:#10343C;color:#fff;font-weight:600;font-size:19px}
.mk2-kp{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.mk2-kp div{background:#f4f4f6;border-radius:9px;padding:6px 10px;font-size:15px;color:#6e6e73}
.mk2-kp b{display:block;font-size:21px;color:#1d1d1f;font-variant-numeric:tabular-nums}
.mk2-kp b.t{color:#00897f}
.mk2-kp b.malo{color:#d9342b;outline:2px dashed #d9342b;outline-offset:2px;border-radius:4px}
.mk2 table{width:100%;border-collapse:collapse;margin-top:10px;font-size:16px}
.mk2 table.apretada{font-size:13.5px}
.mk2 th{text-align:left;font-weight:600;color:#6e6e73;padding:5px 4px;border-bottom:1px solid #e3e3e6}
.mk2 td{padding:6px 4px;border-bottom:1px solid #ececf0}
.mk2 td.bug{outline:2px dashed #d9342b;outline-offset:-2px;border-radius:6px;font-family:ui-monospace,Menlo,monospace}
.mk2 tr.rojo td{color:#d9342b;font-weight:600}
.mk2 tr.debio td{background:#fff6d6}
.mk2 .inv{font-size:13px;padding:1px 7px;border-radius:999px;background:#ffe9b3;color:#7a5600}
.mk2-log{padding:8px 14px;background:#2b2b30;color:#ddd;font-size:15px}
.mk2-nota{margin-top:10px;font-size:16px;color:#b3261e;font-weight:600}
.mk2-carga{display:flex;align-items:center;gap:10px;margin:18px 0;color:#6e6e73}
.mk2-carga .giro{width:22px;height:22px;border-radius:50%;border:3px solid #ddd;border-top-color:#00B0A5;animation:gira 1s linear infinite}
.mk2-gr{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:6px}
.mk2-gr i{height:110px;border-radius:10px;border:1.5px dashed #c4c4c8}
.mk2-gr.deco i{border:0;background:#f4f4f6}
.mk2-gr.deco .dona{background:radial-gradient(circle,#fff 34%,transparent 35%),conic-gradient(#FF4F8B 0 30%,#9D8CFF 0 62%,#F5C84B 0)}
.mk2-gr.deco .mapa{background:radial-gradient(ellipse at 40% 55%,#9fd3c7 0 30%,transparent 31%),radial-gradient(ellipse at 70% 40%,#c7e3a1 0 22%,transparent 23%),#eef2f5}
.mk2-gr.deco .linea{background:linear-gradient(160deg,transparent 47%,#4C9BFF 48% 51%,transparent 52%),#f4f4f6}
/* tira: error sin detectar */
.cuadro.con-error .im{box-shadow:0 0 0 2px #FF453A}
.cuadro .v-err{position:absolute;left:8px;bottom:8px;padding:3px 10px;border-radius:999px;background:#FF453A;color:#fff;font-size:15px;font-weight:600}
.tira-err{margin-top:14px;padding:12px 16px;border-radius:14px;background:rgba(255,69,58,.08);border:1px solid rgba(255,69,58,.35);font-size:18px;line-height:1.45;color:#FFB3AA}
.luz figcaption .err2{display:block;margin-top:16px;color:#FF8A80}
.luz figcaption .sig{display:block;margin-top:10px;color:#9CC6FF}
/* seis prácticas: recorrido sobre los horarios */
.pr-linea{width:100%;display:block;overflow:visible;margin-top:6px}
.pr-linea .pr-n{cursor:pointer;transition:opacity .4s}
.pr-nombres{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;margin-top:-6px}
.pr-nombres button{font-family:var(--tt);font-weight:500;font-size:21px;line-height:1.15;letter-spacing:-.02em;color:#C9C9CF;padding:8px 6px;border-radius:12px;transition:background .3s,color .3s}
.pr-nombres button.on{background:rgba(157,140,255,.12);color:#F5F5F7}
/* dos diseños: cada boceto recorre su camino */
.dis{cursor:pointer;transition:opacity .45s}
.dis.anim .wf.a .l{animation:brillo 3.2s var(--ease) infinite;animation-delay:calc(var(--i) * 260ms)}
.dis.anim .wf.a .d{animation:brillo 3.2s var(--ease) 1.6s infinite}
.dis.anim .wf.b .strip i{animation:brillo 3.2s var(--ease) infinite}
.dis.anim .wf.b .doc u{animation:brillo 3.2s var(--ease) infinite;animation-delay:calc(var(--i) * 220ms + 500ms)}
@keyframes brillo{0%,100%{box-shadow:none;filter:none}12%{box-shadow:0 0 0 2px #2ED3C6,0 0 18px rgba(46,211,198,.6);filter:brightness(1.6)}30%{box-shadow:none;filter:none}}
/* alturas: contrato, capas */
.ilu{min-height:0}
.ilu svg{width:100%;max-height:250px}
.capa{padding:10px 18px}