/* Página /anki/ · descarga del mazo de fórmulas.
   Se carga después de medfocus.v6.css: reusa sus tokens y sus componentes sk-*.
   Los componentes nuevos llevan prefijo ak-.                                  */

/* ---------- hero: descarga y aviso de "ya se descargó" ---------- */
.ak-hero .sk-btn .t-ok{display:none}
.ak-hero.listo .sk-btn#btn-hero .t-ini{display:none}
.ak-hero.listo .sk-btn#btn-hero .t-ok{display:inline}

.ak-listo{margin-top:20px;padding:16px 18px;border-radius:14px;
  background:linear-gradient(135deg,rgba(255,137,13,.16),rgba(255,137,13,.04) 70%),var(--card);
  border:1.5px solid rgba(255,137,13,.55);box-shadow:var(--shadow);animation:ak-sube .35s ease both}
.ak-listo[hidden]{display:none}
.ak-listo-t{margin:0 0 12px;font-size:14.5px;line-height:1.5;color:var(--ink-2)}
.ak-listo-t b{color:var(--ink)}
.ak-ok{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;
  background:var(--ok);color:#06231a;margin-right:8px;vertical-align:-5px}
.ak-listo-o{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding-top:12px;border-top:1px solid var(--rule-2)}
.ak-listo-o > div{flex:1 1 200px}
.ak-listo-o .lbl{display:block;color:var(--brand-deep);margin-bottom:2px}
.ak-listo-o p{margin:0;font-size:14.5px;color:var(--ink);line-height:1.45}
.ak-listo-o .sk-btn{padding:12px 18px;font-size:14.5px}
@keyframes ak-sube{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ---------- ventana de Anki con tarjetas de muestra ---------- */
.ak-demo{min-width:0}
.ak-win{border-radius:16px;overflow:hidden;background:#262626;border:1px solid var(--rule-2);
  box-shadow:var(--shadow),0 34px 60px -34px rgba(255,137,13,.45)}
.ak-top{display:flex;align-items:center;gap:10px;padding:10px 14px;background:#2f2f2f;border-bottom:1px solid #3d3d3d}
.ak-dots{display:flex;gap:6px;flex:none}
.ak-dots i{width:10px;height:10px;border-radius:50%;background:#555;display:block}
.ak-dots i:nth-child(1){background:#ff5f57}.ak-dots i:nth-child(2){background:#febc2e}.ak-dots i:nth-child(3){background:#28c840}
.ak-deck{flex:1;min-width:0;font-family:"IBM Plex Mono",monospace;font-size:11px;color:#c4c4c4;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ak-tipo{flex:none;font-family:"IBM Plex Mono",monospace;font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;
  font-weight:700;color:#2A1300;background:var(--brand);padding:3px 9px;border-radius:100px}

.ak-card{background:#fff;color:#1d1d1f;min-height:244px;padding:22px 22px 24px;display:flex;flex-direction:column;
  align-items:center;justify-content:center;text-align:center;gap:12px}
.ak-tag{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.03em;color:#8d8d8d;word-break:break-word}
.ak-q{margin:0;font-size:clamp(18px,3.6vw,22px);line-height:1.42;font-weight:500;text-wrap:balance}
.ak-q .cz,.ak-a .cz{color:#1f5fd1;font-weight:700}
.ak-resp{width:100%;padding-top:14px;border-top:1px solid #e2e2e2}
.ak-resp[hidden]{display:none}
.ak-a{margin:0;font-size:clamp(19px,3.8vw,23px);line-height:1.4;font-weight:700;color:#1f5fd1;text-wrap:balance}
.ak-extra{margin:8px 0 0;font-size:13.5px;line-height:1.5;color:#6a6a6a}
.ak-extra:empty{display:none}
.ak-card.cambia .ak-q{animation:ak-sube .25s ease both}

.ak-barra-anki{padding:12px 12px 14px;background:#2f2f2f;border-top:1px solid #3d3d3d;display:flex;flex-direction:column;gap:11px}
.ak-cnt{display:flex;justify-content:center;gap:16px;font-family:"IBM Plex Mono",monospace;font-size:11px;color:#bdbdbd}
.ak-cnt b{font-weight:700;text-decoration:underline;text-underline-offset:2px}
.ak-cnt .n b{color:#6aa9ff}.ak-cnt .l b{color:#ff8a8a}.ak-cnt .r b{color:#74d99b}
.ak-show,.ak-ease button{font:inherit;cursor:pointer;color:#f1f1f1;background:#3b3b3b;border:1px solid #4e4e4e;
  border-radius:9px;padding:11px 14px;font-size:14.5px;font-weight:600;transition:background .12s ease,border-color .12s ease}
.ak-show:hover,.ak-ease button:hover{background:#464646;border-color:var(--brand)}
.ak-show:focus-visible,.ak-ease button:focus-visible{outline:3px solid var(--brand);outline-offset:2px}
.ak-ease{display:grid;grid-template-columns:repeat(4,1fr);gap:7px}
.ak-ease[hidden]{display:none}
.ak-ease button{padding:7px 4px 9px;font-size:13px;line-height:1.25}
.ak-ease small{display:block;font-family:"IBM Plex Mono",monospace;font-size:9.5px;font-weight:500;color:#a9a9a9;margin-bottom:3px}
.ak-ease button[data-e="0"]{color:#ff9a9a}.ak-ease button[data-e="2"]{color:#7fe0a6}.ak-ease button[data-e="3"]{color:#7db6ff}
.ak-nota{margin:12px 0 0;text-align:center;font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.05em;
  text-transform:uppercase;color:var(--ink-3)}

/* ---------- cifras ---------- */
.ak-stats{display:grid;grid-template-columns:repeat(4,1fr);margin:6px 0 0;border:1px solid var(--rule-2);border-radius:14px;
  background:var(--card);overflow:hidden}
.ak-stats > div{padding:18px 10px;text-align:center;border-right:1px solid var(--rule)}
.ak-stats > div:last-child{border-right:0}
.ak-stats b{display:block;font-family:"IBM Plex Serif",Georgia,serif;font-size:clamp(28px,5.6vw,40px);line-height:1;
  letter-spacing:-.03em;color:var(--brand)}
.ak-stats span{display:block;margin-top:7px;font-size:12.5px;line-height:1.3;color:var(--ink-2)}
@media(max-width:560px){
  .ak-stats{grid-template-columns:1fr 1fr}
  .ak-stats > div:nth-child(2){border-right:0}
  .ak-stats > div:nth-child(-n+2){border-bottom:1px solid var(--rule)}
}

/* ---------- cómo abrirlo ---------- */
.ak-pasos{list-style:none;margin:0 0 14px;padding:0;display:grid;gap:12px}
@media(min-width:700px){.ak-pasos{grid-template-columns:repeat(3,1fr)}}
.ak-pasos li{position:relative;padding:20px 18px 18px;border-radius:var(--r);background:var(--card);border:1px solid var(--rule)}
.ak-pasos .n{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;
  font-family:"IBM Plex Mono",monospace;font-weight:700;font-size:15px;color:#2A1300;background:var(--brand);margin-bottom:12px}
.ak-pasos h3{font-size:18px;letter-spacing:-.015em;margin:0 0 6px}
.ak-pasos p{margin:0;font-size:14.5px;line-height:1.55;color:var(--ink-2)}
.ak-pasos b{color:var(--ink)}
.ak-alt .sk-card h3{font-size:16px}
.ak-sinanki{margin:12px 2px 0;font-size:13.5px;color:var(--ink-3)}
.ak-sinanki a{color:var(--brand-deep);font-weight:600}

/* ---------- especialidades ---------- */
.ak-esp{list-style:none;margin:0 0 26px;padding:0;display:grid;gap:10px}
@media(min-width:700px){.ak-esp{grid-template-columns:1fr 1fr}}
.ak-esp-i{padding:14px 16px;border-radius:var(--r);background:var(--card);border:1px solid var(--rule);min-width:0}
.ak-esp-cab{display:flex;align-items:baseline;justify-content:space-between;gap:10px}
.ak-esp-cab b{font-size:15.5px;line-height:1.3}
.ak-esp-cab span{flex:none;font-family:"IBM Plex Mono",monospace;font-size:11px;color:var(--brand-deep);
  background:var(--brand-wash);padding:3px 9px;border-radius:100px;white-space:nowrap}
.ak-esp-i p{margin:6px 0 0;font-size:13px;line-height:1.5;color:var(--ink-3)}

/* ---------- así no / así sí ---------- */
.ak-versus{display:grid;gap:12px;align-items:start}
@media(min-width:700px){.ak-versus{grid-template-columns:1fr 1fr}}
.ak-v{padding:16px;border-radius:14px;border:1.5px solid var(--rule-2);background:var(--card);min-width:0}
.ak-v.no{border-color:rgba(240,133,121,.5)}
.ak-v.si{border-color:rgba(109,207,160,.55)}
.ak-v-et{display:inline-block;font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;
  font-weight:700;padding:4px 10px;border-radius:100px;margin-bottom:12px}
.ak-v.no .ak-v-et{background:var(--crit-wash);color:var(--crit)}
.ak-v.si .ak-v-et{background:var(--ok-wash);color:var(--ok)}
.ak-mini{background:#fff;color:#1d1d1f;border-radius:9px;padding:11px 13px;margin:0 0 8px;text-align:center}
.ak-mini .q{margin:0;font-size:14px;line-height:1.4;font-weight:500}
.ak-mini .a{margin:6px 0 0;padding-top:6px;border-top:1px solid #e2e2e2;font-size:14px;line-height:1.4;font-weight:700;color:#1f5fd1}
.ak-mini .cz{color:#1f5fd1;font-weight:700}
.ak-v.no .ak-mini .a{font-size:12.5px;font-weight:600}
.ak-v-p{margin:10px 0 0;font-size:13.5px;line-height:1.5;color:var(--ink-2)}

/* ---------- crea el tuyo ---------- */
.ak-crea{display:grid;gap:18px;margin-bottom:26px}
@media(min-width:800px){.ak-crea{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:26px;align-items:center}}
.ak-dentro-t{margin:0 0 12px;font-size:16px;line-height:1.5;color:var(--ink-2)}
.ak-dentro-t b{color:var(--ink)}
.ak-dentro ul{list-style:none;margin:0 0 14px;padding:0;display:grid;gap:9px}
.ak-dentro li{display:flex;gap:10px;align-items:flex-start;font-size:15px;line-height:1.5;color:var(--ink-2)}
.ak-dentro li svg{flex:none;margin-top:5px;color:var(--ok)}
.ak-dentro li b{color:var(--ink)}
.ak-miembros{margin:0;padding-top:12px;border-top:1px solid var(--rule);font-size:14px;color:var(--ink-2)}
.ak-miembros b{color:var(--brand-deep)}

.ak-prueba{display:grid;gap:14px;margin-bottom:26px}
@media(min-width:760px){.ak-prueba{grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);align-items:stretch}}
.ak-foto{margin:0;position:relative;border-radius:14px;overflow:hidden;border:1px solid var(--rule-2);background:var(--card);min-height:260px}
.ak-foto img{width:100%;height:100%;object-fit:cover;object-position:50% 22%;position:absolute;inset:0}
.ak-foto figcaption{position:absolute;left:0;right:0;bottom:0;padding:34px 14px 13px;font-size:13.5px;color:#f6efe6;
  background:linear-gradient(transparent,rgba(12,8,4,.9))}
.ak-foto figcaption b{color:#fff}
@media(max-width:759px){.ak-foto{aspect-ratio:4/3;min-height:0}}
.ak-res{display:grid;gap:12px}
.ak-salto{padding:16px 18px;border-radius:14px;background:var(--card);border:1px solid var(--rule)}
.ak-salto .s{display:flex;align-items:baseline;gap:12px;font-family:"IBM Plex Serif",Georgia,serif;letter-spacing:-.03em}
.ak-salto .de{font-size:22px;color:var(--ink-3);text-decoration:line-through;text-decoration-thickness:2px}
.ak-salto .fl{font-size:20px;color:var(--brand)}
.ak-salto .a{font-size:42px;line-height:1;font-weight:600;color:var(--brand)}
.ak-salto .a.solo{font-size:42px}
.ak-salto .q{margin:6px 0 0;font-size:14.5px;color:var(--ink)}
.ak-salto .q b{font-weight:700}
.ak-salto .d{margin:4px 0 0;font-size:14px;line-height:1.5;color:var(--ink-2)}
.ak-salto .t{margin:8px 0 0;display:inline-block;font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.08em;
  text-transform:uppercase;font-weight:700;color:var(--brand-deep);background:var(--brand-wash);padding:4px 10px;border-radius:100px}

.ak-resenas{margin:0 0 8px}
.ak-res-t{margin:0 0 10px;font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}
.ak-muro{display:grid;gap:8px;padding:10px;border-radius:14px;background:#FFFFED}
@media(min-width:700px){.ak-muro{grid-template-columns:1fr 1fr}}
.ak-muro img{width:100%;height:auto;border-radius:8px}
.ak-res-p{margin:8px 2px 0;font-size:12.5px;color:var(--ink-3)}

/* ---------- descuento ----------
   Tarjeta neutra: el protagonista es el video, no el fondo.
   En computadora: video grande a la izquierda, texto y botón a la derecha. */
.ak-oferta{margin-top:44px;padding:30px 22px;border-radius:18px;text-align:center;
  background:var(--card);border:1px solid var(--rule-2);box-shadow:var(--shadow)}
.ak-oferta .lbl{color:var(--brand-deep)}
.ak-oferta h2{margin:8px auto 10px;max-width:560px;font-size:clamp(24px,5.4vw,34px);line-height:1.12;letter-spacing:-.025em;color:var(--ink)}
.ak-oferta p{margin:0 auto 18px;max-width:480px;color:var(--ink-2);font-size:15.5px;line-height:1.55}
.ak-oferta .sk-btn{font-size:16px;padding:15px 26px}
.ak-oferta .ak-micro{margin:14px auto 0;font-size:13px;color:var(--ink-3)}
@media(min-width:860px){
  .ak-oferta{display:grid;grid-template-columns:auto minmax(0,1fr);grid-template-rows:1fr repeat(5,auto) 1fr;
    column-gap:44px;padding:34px 44px 34px 34px;text-align:left}
  .ak-oferta > *{grid-column:2}
  .ak-oferta > .lbl{grid-row:2}
  .ak-oferta h2{grid-row:3;margin-left:0;font-size:clamp(30px,3.2vw,40px)}
  .ak-oferta > p:not(.ak-micro){grid-row:4;margin-left:0;font-size:17px}
  .ak-oferta > .sk-btn{grid-row:5;justify-self:start;font-size:17px;padding:17px 30px}
  .ak-oferta .ak-micro{grid-row:6;margin-left:0}
  .ak-oferta > .ak-video{grid-column:1;grid-row:1 / -1;width:min(360px,34vw,calc((100vh - 130px) * .5625));margin:0}
}

/* video de la oferta: vertical 9:16, con portada y botón grande de reproducir */
.ak-video{position:relative;isolation:isolate;width:min(300px,76vw);aspect-ratio:9/16;margin:4px auto 22px;border-radius:16px;overflow:hidden;
  background:#0d0703;border:1px solid var(--rule-2);box-shadow:0 30px 60px -26px rgba(0,0,0,.55)}
.ak-video video{display:block;width:100%;height:100%;object-fit:cover;background:#0d0703}
.ak-play{position:absolute;inset:0;z-index:2;-webkit-transform:translateZ(0);transform:translateZ(0);display:flex;align-items:flex-end;justify-content:center;gap:12px;text-align:left;
  padding:0 14px 18px;border:0;cursor:pointer;color:#fbf1e6;font:inherit;
  background:linear-gradient(180deg,transparent 72%,rgba(13,7,3,.88))}
.ak-play[hidden]{display:none}
.ak-play.portada{background:linear-gradient(180deg,transparent 72%,rgba(13,7,3,.88)),var(--poster) center/cover no-repeat #0d0703}
.ak-play-i{flex:none;display:grid;place-items:center;width:56px;height:56px;border-radius:50%;padding-left:3px;color:#2A1300;
  background:linear-gradient(180deg,#FFA845,#FF890D);box-shadow:0 0 0 6px rgba(255,137,13,.25),0 14px 30px -8px rgba(0,0,0,.7);
  transition:transform .18s ease}
.ak-play:hover .ak-play-i{transform:scale(1.07)}
.ak-play:focus-visible{outline:3px solid var(--brand);outline-offset:-3px}
.ak-play-t{margin-bottom:9px;font-weight:700;font-size:15.5px;line-height:1.25;text-shadow:0 1px 8px rgba(0,0,0,.6)}
.ak-play-t small{display:block;margin-top:3px;font-weight:500;font-size:12.5px;color:#e9d6c2}
/* dentro del aviso de descarga: más chico, y en silencio el botón ofrece el sonido */
.ak-listo-v:empty{display:none}
.ak-listo .ak-video{width:min(320px,74vw);margin:14px auto 16px}
.ak-play.mudo{background:linear-gradient(180deg,transparent 62%,rgba(13,7,3,.9))}
.ak-play.mudo .ak-play-i{padding-left:0}
.ak-listo-o .sk-btn.llama{animation:ak-llama 1.1s ease 3}
/* al terminar el video, el botón de WhatsApp pide atención */
.ak-oferta .sk-btn.llama{animation:ak-llama 1.1s ease 3}
@keyframes ak-llama{0%,100%{box-shadow:0 0 0 0 rgba(255,137,13,.7)}60%{box-shadow:0 0 0 14px rgba(255,137,13,0)}}

/* ---------- barra flotante (celular) ---------- */
.ak-flota{display:none}
@media(max-width:840px){
  .ak-flota{display:block;position:fixed;left:10px;right:10px;bottom:calc(10px + env(safe-area-inset-bottom));z-index:60;
    opacity:0;transform:translateY(16px);pointer-events:none;transition:opacity .2s ease,transform .2s ease}
  .ak-flota.on{opacity:1;transform:none;pointer-events:auto}
  .ak-flota a{display:flex;align-items:center;justify-content:center;gap:9px;padding:14px 18px;border-radius:13px;
    font-weight:700;font-size:15.5px;text-decoration:none;color:#2A1300;
    background:linear-gradient(180deg,#FFA845,#FF890D);box-shadow:0 14px 34px -10px rgba(0,0,0,.7),inset 0 1px 0 rgba(255,255,255,.4)}
  .pie{padding-bottom:92px}
}
@media(prefers-reduced-motion:reduce){
  .ak-flota,.ak-listo,.ak-card.cambia .ak-q,.ak-play-i,.ak-oferta .sk-btn.llama,.ak-listo-o .sk-btn.llama{transition:none;animation:none}
}
@media(max-width:520px){
  .ak-card{min-height:228px;padding:18px 16px 20px}
  .ak-oferta{padding:26px 16px}
  .ak-oferta > .ak-video{width:min(320px,82vw)}
}