:root{
  --hueso:#F4EFE7; --hueso-2:#EFE8DC; --papel:#FFFDF9; --linea:#DDD5C8; --linea-2:#B9AE9E;
  --carbon:#1F1E1C; --negro:#161514; --texto-2:#4A4743; --texto-3:#33312E;
  --rojo:#D5421F; --rojo-osc:#A8341A; --rojo-claro:#F2A58E; --ok:#2F6B4F; --ok-bg:#E3EFE7; --mal-bg:#F6E4DE;
  --serif:'Cormorant Garamond',Georgia,serif; --sans:'IBM Plex Sans',system-ui,sans-serif; --mono:'IBM Plex Mono',monospace; --cursiva:'Ms Madi',cursive;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--hueso);color:var(--carbon);font-family:var(--sans);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
button{font:inherit;color:inherit}
a{color:var(--carbon)}
:focus-visible{outline:3px solid var(--rojo);outline-offset:3px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.etq{font-family:var(--mono);font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;font-weight:500}
.etq.rojo{color:var(--rojo-osc)}
.etq.gris{color:var(--texto-2)}
h1,h2,h3{font-family:var(--serif);font-weight:600;margin:0;line-height:1.06}
.cur{font-family:var(--cursiva);font-weight:400;color:var(--rojo)}
.btn{display:inline-flex;align-items:center;justify-content:center;text-align:center;line-height:1.25;gap:10px;min-height:52px;padding:0 24px;border-radius:999px;border:1.5px solid var(--carbon);background:transparent;font-weight:600;font-size:17px;cursor:pointer;text-decoration:none;color:var(--carbon)}
.btn.osc{background:var(--carbon);color:var(--hueso)}
.btn.rojo{background:var(--rojo);border-color:var(--rojo);color:#fff;font-size:19px;font-weight:700}
.btn.claro{background:var(--hueso);border-color:var(--hueso);color:var(--carbon)}
.btn:disabled{opacity:.35;cursor:not-allowed}
.btn.peq{min-height:44px;padding:0 18px;font-size:15px}
.tarjeta{background:var(--papel);border:1px solid var(--linea);border-radius:20px}
.pill{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:500;padding:7px 13px;border-radius:999px;border:1px solid var(--linea)}

/* ---------- Catálogo ---------- */
.cat-top{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--linea);max-width:1180px;margin:0 auto}
.cat-top img{height:56px;width:auto}
.cat-wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.hero{padding:44px 0 28px;display:flex;flex-direction:column;gap:16px;max-width:720px}
.hero h1{font-size:clamp(44px,7vw,72px);letter-spacing:-.01em}
.hero h1 .cur{font-size:1.26em;line-height:.9}
.hero p{margin:0;font-size:18px;color:var(--texto-2)}
.filtros{display:flex;gap:8px;overflow-x:auto;padding:4px 0 24px}
.filtros button{flex:none;min-height:44px;padding:0 18px;border-radius:999px;border:1.5px solid var(--carbon);background:transparent;font-size:15px;font-weight:500;cursor:pointer}
.filtros button[aria-pressed="true"]{background:var(--carbon);color:var(--hueso);font-weight:600}
.grid-cursos{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,400px),1fr));gap:22px;padding-bottom:48px}
.curso-card{background:var(--negro);color:var(--hueso);border-radius:22px;overflow:hidden;display:flex;flex-direction:column}
.curso-card .foto{position:relative;aspect-ratio:16/10;overflow:hidden;background:#2A2826}
.curso-card .foto img{width:100%;height:100%;object-fit:cover}
.curso-card .foto .nuevo{position:absolute;top:16px;left:16px;background:var(--hueso);color:var(--carbon);padding:6px 10px;border-radius:999px;font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase}
.curso-card .cuerpo{padding:26px 22px;display:flex;flex-direction:column;gap:14px;flex:1}
.curso-card h2{font-size:46px;line-height:.98;color:#FFFDF9}
.curso-card h2 span{display:block;margin-top:10px;font-size:24px;line-height:1.15;font-weight:500;font-style:italic;color:#E7DFD3}
.curso-card p{margin:0;color:#D9D1C4}
.curso-card .meta{font-size:15px;color:#BDB4A6}
.curso-card .pill{border-color:#55504A;color:var(--hueso)}
.curso-card .pill i{width:7px;height:7px;border-radius:999px;background:var(--rojo);display:block}
.proximo{border:1.5px dashed var(--linea-2);border-radius:22px;padding:26px 22px;display:flex;flex-direction:column;gap:8px;justify-content:center}
.proximo h2{font-size:30px}
.empresas{background:var(--carbon);color:var(--hueso)}
.empresas .cat-wrap{padding-top:48px;padding-bottom:48px;display:flex;flex-direction:column;gap:16px;max-width:760px;margin:0 auto}
.empresas h2{font-size:clamp(36px,5vw,52px)}
.empresas h2 .cur{color:var(--rojo-claro);font-size:1.2em}
.empresas p{margin:0;color:#D9D1C4;font-size:18px}
.pie{max-width:1180px;margin:0 auto;padding:28px 20px 40px;display:flex;flex-direction:column;gap:8px;color:var(--texto-2);font-size:15px}
.pie strong{font-family:var(--serif);font-size:22px;color:var(--carbon)}

/* ---------- Curso ---------- */
.c-top{position:sticky;top:0;z-index:20;background:var(--hueso);border-bottom:1px solid var(--linea)}
.c-top .fila{max-width:820px;margin:0 auto;padding:12px 20px 10px;display:flex;align-items:center;gap:14px}
.c-top .titulos{flex:1;min-width:0;display:flex;flex-direction:column;gap:1px}
.c-top .titulos b{font-size:15px;line-height:1.3;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.circ{flex:none;width:44px;height:44px;border-radius:999px;border:1.5px solid var(--carbon);background:transparent;display:flex;align-items:center;justify-content:center;cursor:pointer;padding:0}
.barra{max-width:820px;margin:0 auto;padding:0 20px 12px;display:flex;align-items:center;gap:12px}
.barra .riel{flex:1;height:6px;border-radius:999px;background:var(--linea);overflow:hidden}
.barra .riel div{height:6px;background:var(--rojo);border-radius:999px;transition:width .4s ease}
.barra span{font-family:var(--mono);font-size:13px;font-weight:500;min-width:44px;text-align:right}
main.pantalla{max-width:820px;margin:0 auto;padding:30px 20px 40px;display:flex;flex-direction:column;gap:22px;min-height:calc(100vh - 220px)}
main.pantalla h1{font-size:clamp(36px,5.5vw,52px)}
main.pantalla h2{font-size:clamp(28px,4vw,36px);line-height:1.1}
.txt{font-size:18px;line-height:1.65;color:var(--texto-3);margin:0}
.foto-pant{border-radius:20px;overflow:hidden;background:#2A2826;aspect-ratio:16/9}
.foto-pant img{width:100%;height:100%;object-fit:cover}
.foto-pant.libre{aspect-ratio:auto}
.dato{background:var(--carbon);color:var(--hueso);border-radius:18px;padding:22px;display:flex;flex-direction:column;gap:10px}
.dato .etq{color:var(--rojo-claro)}
.dato q{quotes:none;font-family:var(--serif);font-size:24px;line-height:1.3;font-weight:500}
.fuente{font-size:14px;line-height:1.5;color:var(--texto-2)}
.dato .fuente{color:#BDB4A6}
.chip-tipo{align-self:flex-start;padding:7px 14px;border:1.5px solid var(--carbon);border-radius:999px}
.c-nav{position:sticky;bottom:0;z-index:20;background:var(--hueso);border-top:1px solid var(--linea)}
.c-nav div{max-width:820px;margin:0 auto;padding:14px 20px 22px;display:flex;gap:12px}
.c-nav .btn{flex:1}
.aviso-nav{max-width:820px;margin:0 auto;padding:0 20px;font-size:14px;color:var(--texto-2);text-align:center;min-height:0}

/* revelado */
.rev-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,230px),1fr));gap:12px}
.rev{border:1.5px solid var(--carbon);border-radius:18px;background:var(--papel);padding:18px;text-align:left;cursor:pointer;display:flex;flex-direction:column;gap:10px;min-height:150px;transition:background .2s}
.rev .cab{display:flex;align-items:center;gap:12px}
.rev .ico{flex:none;width:44px;height:44px;border-radius:999px;background:var(--hueso-2);display:flex;align-items:center;justify-content:center}
.rev h3{font-size:24px}
.rev .ver{margin-top:auto;font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--texto-2)}
.rev[aria-expanded="true"]{background:var(--carbon);color:var(--hueso)}
.rev[aria-expanded="true"] .ico{background:#3A3835}
.rev[aria-expanded="true"] p{color:#E7DFD3}
.rev p{margin:0;font-size:16.5px;line-height:1.55}

/* opciones */
.opciones{display:flex;flex-direction:column;gap:12px}
.op{width:100%;min-height:64px;display:flex;align-items:flex-start;gap:14px;padding:16px;border-radius:16px;background:var(--papel);border:1px solid var(--linea);cursor:pointer;text-align:left;font-size:17px;line-height:1.5}
.op .letra{flex:none;width:32px;height:32px;border-radius:999px;display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:14px;border:1.5px solid var(--carbon)}
.op[aria-pressed="true"]{border:2px solid var(--carbon)}
.op[aria-pressed="true"] .letra{background:var(--carbon);color:var(--hueso)}
.op:disabled{cursor:default}
.op.atenuada{opacity:.55}
.retro{background:var(--papel);border:1.5px solid var(--carbon);border-radius:20px;padding:22px 20px;display:flex;flex-direction:column;gap:14px}
.calidad{align-self:flex-start;font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;padding:6px 12px;border-radius:999px;background:var(--hueso-2);border:1px solid var(--linea)}
.calidad.mejor{background:var(--rojo-osc);color:#fff;border-color:var(--rojo-osc)}
.retro .par{display:flex;flex-direction:column;gap:3px}
.retro .sep{border-top:1px solid var(--linea);padding-top:14px;display:flex;flex-direction:column;gap:12px}
.concepto{background:var(--carbon);color:var(--hueso);border-radius:14px;padding:16px;display:flex;flex-direction:column;gap:6px}
.concepto .etq{color:var(--rojo-claro)}
.concepto div:last-child{font-family:var(--serif);font-size:22px;line-height:1.25;font-weight:500}
.persona{display:flex;align-items:center;gap:14px}
.avatar{flex:none;width:52px;height:52px;border-radius:999px;background:var(--carbon);color:var(--hueso);display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:24px;font-weight:600}

/* selección visual */
.sel-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:14px}
.sel{background:var(--papel);border:1px solid var(--linea);border-radius:18px;overflow:hidden;cursor:pointer;padding:0;text-align:left;display:flex;flex-direction:column}
.sel img{aspect-ratio:1/1;object-fit:cover;width:100%}
.sel .pie-sel{padding:12px 14px;display:flex;align-items:center;justify-content:space-between;gap:10px;font-weight:600}
.sel[aria-pressed="true"]{border:3px solid var(--carbon)}
.sel:disabled{cursor:default}
.sel-retro{display:flex;flex-direction:column;gap:12px}
.marca{font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;padding:4px 9px;border-radius:999px}
.marca.si{background:var(--ok-bg);color:var(--ok)}
.marca.no{background:var(--mal-bg);color:var(--rojo-osc)}

/* clasificar */
.cla{background:var(--papel);border:1px solid var(--linea);border-radius:16px;padding:16px;display:flex;flex-direction:column;gap:12px}
.cla p{margin:0;font-size:17px;line-height:1.5}
.seg{display:flex;flex-wrap:wrap;gap:8px}
.seg button{min-height:44px;padding:0 14px;border-radius:999px;border:1.5px solid var(--carbon);background:transparent;font-size:15px;font-weight:500;cursor:pointer}
.seg button[aria-pressed="true"]{background:var(--carbon);color:var(--hueso);font-weight:600}
.seg button:disabled{cursor:default}
.res-linea{font-size:15.5px;line-height:1.5;padding:12px 14px;border-radius:12px}
.res-linea.si{background:var(--ok-bg)}
.res-linea.no{background:var(--mal-bg)}

/* ordenar */
.ord{display:flex;flex-direction:column;gap:10px;margin:0;padding:0;list-style:none}
.ord li{background:var(--papel);border:1px solid var(--linea);border-radius:16px;padding:12px 12px 12px 16px;display:flex;align-items:center;gap:12px}
.ord .num{flex:none;width:32px;height:32px;border-radius:999px;background:var(--carbon);color:var(--hueso);display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:14px}
.ord .t{flex:1;font-size:16.5px;line-height:1.45}
.ord .mov{display:flex;flex-direction:column;gap:6px}
.ord .mov button{width:40px;height:36px;border-radius:10px;border:1.5px solid var(--carbon);background:transparent;cursor:pointer;display:flex;align-items:center;justify-content:center;padding:0}
.ord .mov button:disabled{opacity:.25;cursor:default}
.ord li.si{border-color:var(--ok);background:var(--ok-bg)}
.ord li.no{border-color:var(--rojo-osc);background:var(--mal-bg)}

/* escrito */
textarea{width:100%;min-height:120px;font:inherit;font-size:17px;line-height:1.55;padding:14px 16px;border-radius:14px;border:1.5px solid var(--linea-2);background:var(--papel);color:var(--carbon);resize:vertical}
label.pregunta{font-weight:600;font-size:17.5px;line-height:1.45;display:block;margin-bottom:8px}
.modelo{border-left:4px solid var(--rojo);background:var(--papel);border-radius:0 14px 14px 0;padding:14px 16px;font-size:16.5px;line-height:1.55}
.check{display:flex;gap:12px;align-items:flex-start;padding:12px 14px;background:var(--papel);border:1px solid var(--linea);border-radius:14px;cursor:pointer;font-size:16.5px;line-height:1.5}
.check input{width:22px;height:22px;margin:2px 0 0;accent-color:var(--carbon);flex:none}

/* intro y módulos */
.objetivos{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:10px}
.objetivos li{display:flex;gap:12px;font-size:17px;line-height:1.5}
.objetivos li b{flex:none;font-family:var(--mono);font-size:13px;color:var(--rojo-osc);padding-top:3px}
.bloques{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:12px}
.bloques .tarjeta{padding:18px;display:flex;flex-direction:column;gap:8px}
.bloques p{margin:0;font-size:16.5px;line-height:1.55}
.portada{position:relative;border-radius:22px;overflow:hidden;background:var(--negro);color:var(--hueso)}
.portada img{width:100%;aspect-ratio:16/9;object-fit:cover;opacity:.92}
.portada .txt-p{padding:24px 22px 26px;display:flex;flex-direction:column;gap:12px}
.portada h1{color:#FFFDF9}
.portada h1 span{display:block;margin-top:8px;font-size:.5em;font-style:italic;font-weight:500;color:#E7DFD3;line-height:1.15}
.portada p{margin:0;color:#D9D1C4}
.portada .etq{color:var(--rojo-claro)}
.legal{font-size:14px;line-height:1.5;color:var(--texto-2);border-top:1px solid var(--linea);padding-top:14px}

/* menú del curso */
.velo{position:fixed;inset:0;background:rgba(22,21,20,.5);z-index:40;display:none}
.velo.abierto{display:block}
.cajon{position:fixed;top:0;right:0;bottom:0;width:min(420px,92vw);background:var(--hueso);z-index:41;transform:translateX(105%);transition:transform .25s ease;display:flex;flex-direction:column}
.cajon.abierto{transform:none}
.cajon .cab{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--linea)}
.cajon nav{overflow-y:auto;padding:12px 12px 24px}
.cajon h3{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;font-weight:500;color:var(--texto-2);padding:14px 10px 6px}
.cajon button.it{width:100%;text-align:left;border:0;background:transparent;padding:10px;border-radius:10px;display:flex;gap:10px;align-items:flex-start;cursor:pointer;font-size:15.5px;line-height:1.4}
.cajon button.it:hover{background:var(--hueso-2)}
.cajon button.it[aria-current="true"]{background:var(--carbon);color:var(--hueso)}
.cajon .est{flex:none;width:20px;font-family:var(--mono);font-size:12px;padding-top:2px}

/* resumen */
.puntaje{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.anillo{width:132px;height:132px;flex:none}
.anillo text{font-family:var(--serif)}
.revision{display:flex;flex-direction:column;gap:12px}
details.item{background:var(--papel);border:1px solid var(--linea);border-radius:16px;padding:0 16px}
.revision > div.item{background:var(--papel);border:1px solid var(--linea);border-radius:16px}
details.item summary{cursor:pointer;list-style:none;padding:16px 0;display:flex;align-items:center;gap:12px;font-weight:600;font-size:16.5px;line-height:1.4}
details.item summary::-webkit-details-marker{display:none}
details.item summary .marca{margin-left:auto;flex:none}
details.item summary::after{content:"";flex:none;width:9px;height:9px;border-right:2px solid var(--carbon);border-bottom:2px solid var(--carbon);transform:rotate(45deg);margin:0 4px 4px 4px;transition:transform .2s}
details.item[open] summary::after{transform:rotate(-135deg);margin-bottom:-4px}
details.item .det{padding:0 0 16px;display:flex;flex-direction:column;gap:10px;font-size:16px;line-height:1.55}
.acciones{display:flex;flex-wrap:wrap;gap:12px}
.msg{font-size:15px;color:var(--texto-2);min-height:1.2em}
@media (min-width:760px){
  .curso-card{flex-direction:row}
  .grid-cursos{grid-template-columns:1fr}
  .curso-card .foto{flex:1 1 52%;aspect-ratio:auto;min-height:420px}
  .curso-card .cuerpo{flex:1 1 48%;padding:34px 32px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
@keyframes entra{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
main.pantalla{animation:entra .32s ease both}
h1[tabindex="-1"]:focus{outline:none}
.curso-card[hidden]{display:none}