/* The AI Operator · misma estructura que la app de ATMA: casi todo negro, menú plano, tarjetas con línea de luz, el color solo en trazos finos */
:root{
  --p0:#04060a;--p1:#06080c;--p2:#0a0d12;--p3:rgba(255,255,255,.05);
  --tinta:#eef2ee;--media:rgba(232,238,232,.72);--tenue:rgba(200,212,204,.5);
  --luz:#22D04C;--viva:#7dffa6;--punta:#7dffa6;--azul:#3ba0ff;--ok:#10b981;--rojo:#ff7a7a;--naranja:rgba(232,238,232,.75);
  --linea:rgba(255,255,255,.08);--linea-viva:rgba(255,255,255,.16);--borde:rgba(255,255,255,.1);--vidrio:rgba(255,255,255,.04);--vidrio2:rgba(255,255,255,.07);
}
*{box-sizing:border-box}
html,body{margin:0;color:var(--tinta);font-family:"SF Pro Display",Inter,-apple-system,"Segoe UI",system-ui,sans-serif;-webkit-font-smoothing:antialiased;background:var(--p1);font-size:14.5px}
a{color:var(--viva)}button{font:inherit;color:inherit;cursor:pointer}
.fondo{position:fixed;inset:0;z-index:0;background:radial-gradient(900px 380px at 50% -90px,rgba(34,208,76,.1),transparent 70%),var(--p1)}.fondo i,.fondo::after{display:none}
#app{position:relative;z-index:1}
.app{display:grid;grid-template-columns:236px 1fr;min-height:100vh}
/* menú lateral plano */
.lado{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;padding:26px 16px 18px;border-right:1px solid var(--linea);background:var(--p0)}
.marca{margin:0 0 30px 6px}.marca small{display:block;font-size:9px;letter-spacing:.55em;color:var(--tenue);margin-bottom:12px}
.marca b{display:flex;align-items:center;gap:10px;font-weight:300;font-size:12.5px;letter-spacing:.34em;text-transform:uppercase;white-space:nowrap}.marca svg{width:24px;height:24px;flex:none;filter:drop-shadow(0 0 8px rgba(61,220,132,.5))}
.lado nav{display:flex;flex-direction:column;gap:3px}
.nv{display:flex;align-items:center;justify-content:space-between;gap:10px;background:none;border:0;text-align:left;padding:10px 14px;border-radius:999px;font-size:15.5px;font-weight:300;color:var(--media);position:relative;transition:background .2s,color .2s}
.nv:hover{background:var(--vidrio);color:var(--tinta)}
.nv.on{background:var(--vidrio2);color:var(--tinta);padding-left:30px}
.nv.on::before{content:"";position:absolute;left:14px;top:50%;width:6px;height:6px;border-radius:50%;background:var(--luz);transform:translateY(-50%);box-shadow:0 0 8px var(--luz)}
.tag{font-size:8.5px;letter-spacing:.14em;text-transform:uppercase;padding:2px 7px;border-radius:6px;background:rgba(34,208,76,.16);color:var(--viva);font-weight:600}.tag.eq{background:var(--vidrio2);color:var(--media)}
.pie{margin-top:auto;padding:14px 6px 0;border-top:1px solid var(--linea)}.pie .quien{font-size:14px;margin-bottom:7px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pie .acc{display:flex;gap:14px;flex-wrap:wrap;color:var(--tenue);font-size:12px}.pie .acc button{background:none;border:0;padding:0;color:var(--tenue)}.pie .acc button:hover{color:var(--tinta)}
.cuerpo{min-width:0;display:flex;flex-direction:column}
.top{display:flex;align-items:center;justify-content:flex-end;gap:10px;padding:18px 34px 0}.top h1{display:none}
.pill{display:inline-flex;align-items:center;gap:9px;border-radius:999px;padding:7px 14px;font-size:9px;letter-spacing:.3em;text-transform:uppercase;border:1px solid var(--linea-viva);background:var(--vidrio)}
.pill i{width:6px;height:6px;border-radius:50%;background:var(--luz);box-shadow:0 0 8px var(--luz)}
.ico{width:34px;height:34px;border-radius:50%;border:1px solid var(--linea-viva);background:var(--vidrio);display:grid;place-items:center;transition:border-color .2s}.ico:hover{border-color:var(--luz)}.ico svg{width:15px;height:15px}
main{padding:14px 34px 90px;max-width:1100px;width:100%}
.ey{font-size:10px;letter-spacing:.32em;text-transform:uppercase;color:var(--tenue);margin:0 0 12px;font-weight:400}
.saludo{font-size:19px;font-weight:300;color:var(--media);margin:0 0 2px}
h2.gr{font-size:clamp(30px,4vw,50px);font-weight:300;line-height:1.05;margin:0 0 8px;letter-spacing:-.015em;color:var(--tinta)}
h2.gr em{font-style:normal;background:linear-gradient(100deg,#b8ffcb,#22D04C);-webkit-background-clip:text;background-clip:text;color:transparent}
.sec{font-size:17px;font-weight:400;margin:30px 0 10px;letter-spacing:-.005em}.sub{color:var(--media);margin:0 0 16px;font-size:14.5px;font-weight:300}
/* tarjetas */
.tar{background:linear-gradient(180deg,var(--p2),var(--p1));border:1px solid var(--linea);border-radius:20px;padding:16px 20px;margin:0 0 12px;position:relative;overflow:hidden;transition:border-color .3s,transform .3s}
.tar::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;background:radial-gradient(380px circle at var(--mx,30%) var(--my,0%),rgba(34,208,76,.07),transparent 45%);opacity:0;transition:opacity .3s}.tar:hover::after{opacity:1}
.tar>*{position:relative;z-index:1}
.tar.vid{border-color:rgba(34,208,76,.45);background:linear-gradient(135deg,rgba(34,208,76,.09),rgba(34,208,76,.015) 60%),var(--p2)}
.tar.eq{border-color:var(--linea-viva)}
.grid{display:grid;gap:12px}.g2{grid-template-columns:1.6fr 1fr}.g3{grid-template-columns:repeat(auto-fill,minmax(190px,1fr))}.g4{grid-template-columns:repeat(4,1fr)}
.cta{font-size:12.5px;letter-spacing:.04em;color:var(--viva);background:none;border:0;padding:0;margin-top:6px}.cta:hover{text-decoration:underline}
/* las cuatro tarjetas altas con su línea de luz (como ATMA) */
.atar{height:270px;border-radius:24px;padding:0;cursor:pointer;display:flex;flex-direction:column;justify-content:flex-end;margin:0;--c:#22D04C}
.atar:hover{border-color:var(--c);transform:translateY(-4px)}
.atar .haz{position:absolute;left:50%;top:0;height:56%;width:1px;background:linear-gradient(to bottom,var(--c),transparent);box-shadow:0 0 18px var(--c);opacity:.9}
.atar .n{position:absolute;left:18px;top:16px;font-size:10px;letter-spacing:.3em;color:var(--tenue);display:flex;align-items:center;gap:8px;z-index:2}.atar .n::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--c)}
.atar .cu{padding:0 18px 16px;position:relative;z-index:2}.atar h3{margin:0 0 14px;font-size:21px;font-weight:300;line-height:1.15;letter-spacing:-.01em}
.atar .st2{border-top:1px solid var(--linea);padding-top:10px;font-size:12px;color:var(--tenue);min-height:34px}.atar .st2 b{color:var(--tinta);font-weight:500}
.atar .en{display:block;margin-top:8px;font-size:10px;letter-spacing:.3em;color:var(--c);text-transform:uppercase}
.fila{display:flex;gap:9px;flex-wrap:wrap;align-items:center}.fila.sp{justify-content:space-between}
.chip{display:inline-flex;align-items:center;gap:8px;border-radius:999px;padding:6px 13px;background:var(--vidrio);border:1px solid var(--linea);font-size:12.5px;color:var(--media)}
.chip b{color:var(--tinta);font-weight:500}.chip.on,button.chip:hover{color:var(--tinta);border-color:var(--luz)}button.chip{cursor:pointer}
.barra{height:6px;border-radius:6px;background:rgba(255,255,255,.08);overflow:hidden}.barra i{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,#22D04C,#7dffa6);transition:width 1s cubic-bezier(.2,.7,.2,1)}.barra.fina{height:4px}
/* módulos */
.mod{cursor:pointer;padding:0;margin:0}.mod:hover{border-color:rgba(34,208,76,.5);transform:translateY(-3px)}
.portada{height:100px;position:relative;display:flex;align-items:flex-end;padding:12px 14px;overflow:hidden;background:linear-gradient(180deg,#0b1210,#06080c);--c:#22D04C}
.portada.f2{--c:#b8ff7a}.portada.f3{--c:#3ba0ff}.portada.ma{--c:#e8efe8}
.portada::before{content:"";position:absolute;left:62%;top:0;height:78%;width:1px;background:linear-gradient(to bottom,var(--c),transparent);box-shadow:0 0 14px var(--c)}
.portada .num{position:absolute;right:12px;top:6px;font-size:54px;font-weight:200;letter-spacing:-.04em;line-height:1;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.22)}
.portada .fz{position:relative;z-index:1;font-size:9px;letter-spacing:.3em;text-transform:uppercase;color:var(--tenue);display:flex;align-items:center;gap:8px}.portada .fz::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--c)}
.mod .cu{padding:12px 14px 14px}.mod h3{margin:0 0 6px;font-size:13.5px;font-weight:500;line-height:1.3;min-height:35px}.mod .m{color:var(--tenue);font-size:11.5px;margin-bottom:8px}
.les{display:flex;align-items:center;gap:12px;padding:11px 6px;border-top:1px solid var(--linea);cursor:pointer;border-radius:10px;transition:background .2s}
.les:first-child{border-top:0}.les:hover{background:var(--vidrio)}
.chk{width:20px;height:20px;border-radius:50%;box-shadow:inset 0 0 0 1.5px var(--linea-viva);flex:none;display:grid;place-items:center;font-size:10px}
.chk.ok{background:var(--ok);box-shadow:none;color:#03130c}
.les .t{flex:1;font-size:14.5px;font-weight:300}.les .t b{font-weight:500;color:var(--tenue);font-size:10.5px;letter-spacing:.12em;margin-right:10px}
.st{font-size:8.5px;letter-spacing:.12em;text-transform:uppercase;padding:3px 9px;border-radius:999px;border:1px solid var(--linea-viva);color:var(--tenue);white-space:nowrap}
.video{position:relative;padding-top:56.25%;border-radius:18px;overflow:hidden;background:#000;border:1px solid var(--linea);margin-bottom:16px}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.sinvideo{padding:70px 20px;text-align:center;color:var(--tenue);border-radius:18px;margin-bottom:16px;border:1px dashed var(--linea-viva)}
.atras{background:none;border:0;color:var(--tenue);padding:0;margin:0 0 16px;font-size:13px}.atras:hover{color:var(--tinta)}
.btn{background:var(--luz);color:#03140a;border:0;border-radius:999px;padding:9px 20px;font-weight:600;font-size:13.5px;transition:transform .2s,box-shadow .2s}
.btn:hover{transform:translateY(-1px);box-shadow:0 6px 22px rgba(34,208,76,.35)}
.btn.sec{margin:0;background:var(--vidrio);color:var(--tinta);border:1px solid var(--linea-viva)}.btn.sec:hover{box-shadow:none;border-color:var(--luz)}
input,textarea,select{width:100%;background:var(--p0);border:1px solid var(--linea);color:var(--tinta);border-radius:12px;padding:10px 13px;font:inherit;font-size:14px;margin:4px 0 10px}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--luz)}textarea{min-height:90px;resize:vertical}
.m,label.m{color:var(--tenue);font-size:12.5px}.err{color:var(--rojo);font-size:13px}
.post .quien{display:flex;gap:11px;align-items:center;margin-bottom:9px}.av{width:30px;height:30px;border-radius:50%;background:var(--vidrio2);border:1px solid var(--luz);color:var(--viva);display:grid;place-items:center;font-weight:600;font-size:12px}
.entrada{min-height:100vh;display:grid;place-items:center;padding:24px;text-align:center}.entrada .caja{width:min(340px,100%);padding:28px 26px;border-radius:22px;background:var(--p2);border:1px solid var(--linea)}
.entrada h1{font-weight:300;letter-spacing:.42em;font-size:14px;margin:0 0 8px;text-transform:uppercase}
.tabs{display:none}
@media (max-width:860px){
  .app{grid-template-columns:1fr}.lado{display:none}
  .top{padding:12px 16px 0}.pill{display:none}main{padding:12px 16px 110px}.g2{grid-template-columns:1fr}.g4{grid-template-columns:1fr 1fr}.atar{height:200px}.atar h3{font-size:17px}
  .tabs{display:flex;position:fixed;left:12px;right:12px;bottom:12px;z-index:30;gap:2px;padding:7px;border-radius:30px;background:var(--p0);border:1px solid var(--linea-viva)}
  .tabs button{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;background:none;border:0;padding:8px 2px;border-radius:24px;color:var(--tenue);font-size:11px}
  .tabs button svg{width:22px;height:22px}.tabs button.on{background:var(--vidrio2);color:var(--viva)}
}

/* ───────── modo claro (como el de ATMA: fondo con tinte suave, tarjetas blancas con un lavado de color, texto oscuro firme) ───────── */
html.claro{--p0:#ffffff;--p1:#f2f7f3;--p2:#ffffff;--p3:rgba(10,40,20,.05);--tinta:#0d1a12;--media:rgba(13,26,18,.8);--tenue:rgba(13,26,18,.6);
  --luz:#14a83c;--viva:#0b8a2e;--punta:#0b8a2e;--azul:#1f6fe0;--ok:#0f9d6a;--rojo:#d63b3b;--naranja:rgba(13,26,18,.75);
  --linea:rgba(10,40,20,.11);--linea-viva:rgba(10,40,20,.2);--borde:rgba(10,40,20,.12);--vidrio:rgba(10,40,20,.04);--vidrio2:rgba(10,40,20,.08)}
html.claro body{background:var(--p1)}
html.claro .fondo{background:radial-gradient(1100px 520px at 50% -140px,rgba(20,168,60,.2),transparent 70%),radial-gradient(700px 420px at 100% 0,rgba(31,111,224,.07),transparent 70%),#f2f7f3}
html.claro .lado{background:#fbfdfb;border-right-color:var(--linea)}
html.claro .nv{color:var(--media)}html.claro .nv:hover{background:rgba(10,40,20,.05);color:var(--tinta)}
html.claro .nv.on{background:#fff;color:var(--tinta);box-shadow:0 1px 3px rgba(10,40,20,.12),0 0 0 1px var(--linea)}
html.claro .marca b{color:var(--tinta)}html.claro .marca svg{filter:none}
html.claro .tag{background:rgba(20,168,60,.16);color:#0b7a2a}html.claro .tag.eq{background:rgba(10,40,20,.08);color:var(--media)}
html.claro .pill,html.claro .ico{background:#fff;border-color:var(--linea-viva)}
html.claro .tar{background:#fff;border-color:var(--linea);box-shadow:0 1px 2px rgba(10,40,20,.05),0 8px 24px rgba(10,40,20,.05)}
html.claro .tar.vid{background:linear-gradient(135deg,rgba(20,168,60,.14),#fff 70%);border-color:rgba(20,168,60,.5)}
html.claro .tar.eq{border-color:rgba(10,40,20,.25)}
html.claro .atar{background:linear-gradient(180deg,color-mix(in srgb,var(--c) 16%,#fff),#fff 62%)}
html.claro .atar .haz{opacity:1;box-shadow:0 0 14px var(--c)}
html.claro .atar h3,html.claro .tar.vid h3{font-weight:500}
html.claro .atar[data-ir=clases]{--c:#6b7a70!important}
html.claro .atar[data-ir=aula]{--c:#14a83c!important}html.claro .atar[data-ir=comunidad]{--c:#0fae8a!important}html.claro .atar[data-ir=inicio]{--c:#1f6fe0!important}
html.claro h2.gr{color:var(--tinta);font-weight:400}html.claro h2.gr em{background:linear-gradient(100deg,#0b8a2e,#14a83c);-webkit-background-clip:text;background-clip:text}
html.claro .saludo{color:var(--media)}html.claro .cta,html.claro a{color:#0b7a2a;font-weight:500}
html.claro .btn{background:linear-gradient(180deg,#2fd062,#14a83c);color:#fff}html.claro .btn.sec{background:#fff;color:var(--tinta);border-color:var(--linea-viva)}
html.claro .chip{background:#fff;color:var(--media)}html.claro .chip b{color:var(--tinta)}html.claro .chip.on,html.claro button.chip:hover{border-color:var(--luz);color:var(--tinta)}
html.claro .barra{background:rgba(10,40,20,.1)}html.claro .barra i{background:linear-gradient(90deg,#14a83c,#3ad06a)}
html.claro input,html.claro textarea,html.claro select{background:#fff;color:var(--tinta);border-color:var(--linea-viva)}
html.claro .les:hover{background:rgba(10,40,20,.04)}html.claro .chk{box-shadow:inset 0 0 0 1.5px rgba(10,40,20,.35)}html.claro .chk.ok{color:#fff}
html.claro .st{color:var(--media);border-color:var(--linea-viva)}
html.claro .mod:hover{border-color:rgba(20,168,60,.6)}
html.claro .entrada .caja{background:#fff}
html.claro .tabs{background:#fff;border-color:var(--linea-viva);box-shadow:0 10px 30px rgba(10,40,20,.15)}html.claro .tabs button.on{background:rgba(20,168,60,.14);color:#0b7a2a}
html.claro .av{background:#fff;color:#0b7a2a}
html.claro .atras{color:var(--media)}
html.claro .tar::after{background:radial-gradient(380px circle at var(--mx,30%) var(--my,0%),rgba(20,168,60,.08),transparent 45%)}
html.claro .portada{background:linear-gradient(180deg,color-mix(in srgb,var(--c) 24%,#fff),#fff 92%)}
html.claro .portada.ma{--c:#6b7a70}html.claro .portada.f2{--c:#6fb81f}html.claro .portada.f3{--c:#1f6fe0}html.claro .portada{--c:#14a83c}html.claro .portada.f2{--c:#6fb81f}html.claro .portada.f3{--c:#1f6fe0}html.claro .portada.ma{--c:#6b7a70}
html.claro .portada .num{-webkit-text-stroke:1px rgba(10,40,20,.28)}html.claro .portada .fz{color:var(--media)}

/* portadas de Skool (imágenes completas con su título) */
.portada{height:auto;aspect-ratio:720/371;padding:0}
.portada img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:2}
.portada.con .num,.portada.con .fz,.portada.con::before{display:none}
.banner{margin:0 0 16px;border-radius:18px;overflow:hidden;border:1px solid var(--linea);max-height:230px;position:relative;aspect-ratio:720/371}
.banner:empty{display:none}.banner img{width:100%;height:100%;object-fit:cover;display:block}
.banner{max-width:620px}
.mod .portada{border-bottom:1px solid var(--linea)}