:root{--crudo:#F6F1E7;--amarillo:#FFE373;--negro:#232323;--azul:#2F6EB6;--azul-osc:#245791;--azul-claro:#ABCCF1;--cielo:#EAF2FC;--crema:#F0E9D8;--gris:#6D6D6D;--suave:#F6F6F4;--linea:#E3E3E0;--ok:#2E7D5B;--error:#B4483A}
*{box-sizing:border-box}
body{margin:0;min-height:100vh;display:flex;flex-direction:column;background:#fff;color:var(--negro);font:400 17px/1.6 "Poppins",system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased}
main{flex:1}
h1,h2,h3{margin:0;line-height:1.15;letter-spacing:-.5px;font-weight:700}
p{margin:0}
a{color:var(--azul)}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px;width:100%}
.wrap.estrecho{max-width:760px}
section{padding:56px 0}
section h2{font-size:clamp(26px,3.6vw,36px);margin-bottom:24px}
.gris{background:var(--suave)}
.prueba{background:var(--crema);color:#5b4a1c;font-size:13.5px;font-weight:500;text-align:center;padding:7px 14px}

/* Barra en el crudo del fondo, con el nombre de la marca (o su logo) en negro */
.barra{background:var(--crudo);border-bottom:1px solid rgba(35,35,35,.08);position:sticky;top:0;z-index:5}
.logo{display:block;width:80px;height:41px;background:var(--negro);-webkit-mask:url(img/logo.png) center/contain no-repeat;mask:url(img/logo.png) center/contain no-repeat}
.barra .wrap{display:flex;align-items:center;justify-content:space-between;gap:14px;height:64px}
.marca{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--negro);font-weight:600;font-size:15px}
.marca img{height:40px;width:auto}
.marca .nombre{font-size:22px;font-weight:700;letter-spacing:-.3px;line-height:1}
.marca .nombre b{font-weight:700}
.marca .nombre .la{color:#0A1628}
.marca .nombre .lb{color:var(--azul)}
.marca .nombre .lp{display:inline-block;width:.44em;height:.44em;border-radius:50%;background:var(--azul);margin-right:.36em;vertical-align:.13em}
.marca span{border-left:1px solid rgba(35,35,35,.2);padding-left:10px;color:var(--gris)}
.barra nav{display:flex;align-items:center;gap:16px;font-size:14.5px;font-weight:500}
.barra nav a{text-decoration:none;color:var(--negro);font-weight:500}
.barra .enlace{color:var(--gris)}
.barra nav form{margin:0}
.enlace{background:none;border:0;padding:0;font:inherit;color:var(--gris);cursor:pointer;text-decoration:underline;text-underline-offset:3px}

.boton{display:inline-block;background:var(--azul);color:#fff;text-decoration:none;font:600 17px "Poppins",system-ui,sans-serif;padding:15px 26px;border:0;border-radius:12px;cursor:pointer;transition:background .15s}
.boton:hover{background:var(--azul-osc)}
.sobre{font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--azul);margin-bottom:14px}
.mini{font-size:14px;color:var(--gris);margin-top:12px}
.nota{background:var(--cielo);border-radius:12px;padding:12px 16px;font-size:15px;margin:16px 0}
.error{color:var(--error);font-size:14.5px;margin:-4px 0 10px}

/* Landing: cabeceras de sección con etiqueta, tarjetas con icono, apariciones al bajar y botón de compra flotante */
.landing{overflow-x:clip}
.landing section{padding:92px 0}
.l-ic svg,.l-chk svg,.pildora svg{display:block;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.js .rv{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.js .rv.in{opacity:1;transform:none}

.hero,.l-final{background:radial-gradient(900px 500px at 85% -10%,rgba(171,204,241,.55),transparent 60%),linear-gradient(160deg,#2F6EB6 0%,#245791 100%);color:#fff;position:relative;overflow:hidden}
.landing .hero{padding:64px 0 84px}
.hero::before{content:"";position:absolute;left:-140px;bottom:-160px;width:420px;height:420px;border-radius:50%;background:rgba(255,227,115,.16)}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.02fr 1fr;grid-template-areas:"txt media" "cta media";column-gap:56px;align-items:center}
.hero-txt{grid-area:txt;align-self:end}
.hero-media{grid-area:media}
.hero-cta{grid-area:cta;align-self:start;margin-top:30px}
.pildora{display:inline-flex;align-items:center;gap:9px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.32);border-radius:999px;padding:6px 16px 6px 7px;font-size:14px;font-weight:600}
.pildora i{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--amarillo);color:var(--negro)}
.pildora svg{width:15px;height:15px}
.hero h1{font-size:clamp(54px,7.4vw,96px);font-weight:800;letter-spacing:-.035em;line-height:.98;margin-top:20px}
.hero .sub{font-size:clamp(21px,2.5vw,30px);font-weight:700;color:var(--amarillo);margin-top:16px;letter-spacing:-.3px;line-height:1.2}
.hero .lead{font-size:19px;color:rgba(255,255,255,.9);margin-top:14px;max-width:520px}
.l-chk{list-style:none;display:flex;flex-wrap:wrap;gap:8px 20px;margin:22px 0 0;padding:0}
.l-chk li{display:flex;align-items:center;gap:7px;font-size:15px;font-weight:500;color:rgba(255,255,255,.92)}
.l-chk svg{width:19px;height:19px;color:var(--amarillo);stroke-width:2.6}
.demo{max-width:520px;margin:0 auto}
.demo video{display:block;width:100%;aspect-ratio:1;border-radius:26px;background:#0A0A0A;box-shadow:0 26px 60px rgba(10,20,40,.45);transform:rotate(-1.2deg)}
.mano{font-family:"Caveat","Poppins",cursive;font-size:25px;font-weight:700;color:var(--amarillo);margin-top:14px;transform:rotate(-1.2deg);text-align:center}
.hero .nota{color:var(--negro);max-width:480px;margin:16px 0 0}
.boton.amarillo{background:var(--amarillo);color:var(--negro);box-shadow:0 10px 26px rgba(10,20,40,.3)}
.boton.amarillo:hover{background:#FFD84A;transform:translateY(-2px)}
.boton.grande{font-size:19px;padding:18px 34px;border-radius:999px;transition:transform .18s ease,box-shadow .18s ease,background .18s ease}

.cinta{background:var(--amarillo);overflow:hidden;white-space:nowrap;padding:13px 0;font-weight:600;font-size:15.5px}
.cinta div{display:inline-block;animation:cinta 26s linear infinite}
.cinta span{margin:0 16px}
.cinta span::after{content:"✦";margin-left:32px;font-size:12px;opacity:.55}
@keyframes cinta{to{transform:translateX(-50%)}}
.crema{background:var(--crudo)}

.l-head{max-width:720px;margin:0 auto 48px;text-align:center}
.l-kicker{display:inline-block;font-weight:600;font-size:13px;letter-spacing:.09em;text-transform:uppercase;color:var(--azul-osc);background:var(--cielo);padding:6px 14px;border-radius:999px;margin-bottom:16px}
.landing section h2{font-size:clamp(29px,3.5vw,44px);letter-spacing:-.02em;line-height:1.12;margin:0}
.l-head p{margin-top:14px;font-size:18px;color:var(--gris)}
.l-ic{display:grid;place-items:center;flex:none;width:54px;height:54px;border-radius:16px;background:var(--cielo);color:var(--azul-osc)}
.l-ic svg{width:27px;height:27px}

.l-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.l-card{background:#fff;border:1px solid var(--linea);border-radius:28px;padding:30px;transition:transform .2s,box-shadow .2s,border-color .2s}
.l-card:hover{transform:translateY(-4px);border-color:transparent;box-shadow:0 1px 2px rgba(35,35,35,.04),0 18px 38px -16px rgba(36,87,145,.32)}
.l-card .l-ic{margin-bottom:20px}
.l-card:nth-child(3n+2) .l-ic{background:var(--azul-osc);color:#fff}
.l-card:nth-child(3n) .l-ic,.l-lista .extra .l-ic{background:#FFF1B0;color:#5B4A1C}
.l-card h3{font-size:20px;letter-spacing:-.2px;margin-bottom:8px}
.l-card p{color:#575757;font-size:16px}

.l-osc{background:linear-gradient(160deg,#245791 0%,#1B4476 100%);color:#DCE8F7;position:relative;overflow:hidden}
.l-osc::before{content:"";position:absolute;width:620px;height:620px;right:-220px;top:-260px;border-radius:50%;background:radial-gradient(circle,rgba(171,204,241,.34),transparent 65%);pointer-events:none}
.l-osc .wrap{position:relative}
.l-osc .l-kicker{background:rgba(255,255,255,.14);color:var(--amarillo)}
.l-osc h2,.l-osc h3{color:#fff}
.l-pasos{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.l-paso{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:28px;padding:28px 26px}
.l-paso .n{display:grid;place-items:center;width:48px;height:48px;border-radius:50%;background:var(--amarillo);color:var(--negro);font-weight:700;font-size:20px;margin-bottom:18px;box-shadow:0 0 0 6px rgba(255,227,115,.18)}
.l-paso:nth-child(even) .n{background:#fff;box-shadow:0 0 0 6px rgba(255,255,255,.12)}
.l-paso h3{font-size:20px;letter-spacing:-.2px;margin-bottom:8px}
.l-paso p{font-size:16px;color:#C9DAEE}

.l-dos{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:start}
.l-dos .l-head{margin:0 0 30px;text-align:left}
.l-lista{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.l-lista li{display:flex;gap:16px;align-items:center;background:#fff;border:1px solid var(--linea);border-radius:20px;padding:13px 18px 13px 13px;transition:border-color .2s,box-shadow .2s}
.l-lista li:hover{border-color:transparent;box-shadow:0 14px 30px -16px rgba(36,87,145,.3)}
.l-lista .l-ic{width:48px;height:48px;border-radius:14px}
.l-lista .l-ic svg{width:24px;height:24px}
.l-lista b{display:block;font-weight:600;font-size:16.5px;line-height:1.3}
.l-lista small{color:var(--gris);font-size:14.5px}
.precio{position:sticky;top:24px;background:#fff;border:1px solid var(--linea);border-radius:28px;padding:14px 14px 18px;box-shadow:0 1px 2px rgba(35,35,35,.04),0 22px 48px -22px rgba(36,87,145,.38)}
.precio img{display:block;width:100%;border-radius:18px}
.precio .fila{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 8px 14px}
.precio .l-kicker{margin-bottom:6px}
.precio .mini{margin:0;font-size:14px;color:var(--gris)}
.precio .cifra{font-size:46px;font-weight:700;letter-spacing:-1.5px;line-height:1;color:var(--azul-osc);white-space:nowrap}
.precio .boton{display:block;text-align:center}

.l-faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;align-items:start}
.l-faq-aside{position:sticky;top:24px}
.l-faq-aside p{margin-top:14px;color:var(--gris);font-size:17px}
.l-faqs{display:grid;gap:12px}
.l-faq{background:#fff;border:1px solid var(--linea);border-radius:20px;transition:border-color .2s,box-shadow .2s}
.l-faq[open]{border-color:transparent;box-shadow:0 1px 2px rgba(35,35,35,.04),0 16px 36px -16px rgba(36,87,145,.3)}
.l-faq summary{list-style:none;cursor:pointer;padding:19px 22px;font-weight:600;font-size:17.5px;display:flex;justify-content:space-between;gap:16px;align-items:center}
.l-faq summary::-webkit-details-marker{display:none}
.l-faq summary::after{content:"";flex:none;width:32px;height:32px;border-radius:50%;background:var(--cielo) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23245791' stroke-width='2.6' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E") center/16px no-repeat;transition:transform .25s}
.l-faq[open] summary::after{transform:rotate(45deg);background-color:var(--azul-claro)}
.l-faq p{padding:0 22px 22px;color:#575757;font-size:16px}

.l-final{text-align:center}
.landing .l-final h2{color:#fff;font-size:clamp(30px,4.4vw,52px);letter-spacing:-.03em}
.l-final p{color:rgba(255,255,255,.9);font-size:18px;margin:14px auto 28px;max-width:520px}
.l-final .mini{color:rgba(255,255,255,.8);font-size:14px;margin:14px auto 0}

/* Botón de compra flotante: aparece al pasar el primer botón y se esconde cuando hay otro a la vista */
.fija{position:fixed;z-index:9;right:24px;bottom:24px;display:flex;align-items:center;gap:14px;background:#fff;color:var(--negro);text-decoration:none;border:1px solid var(--linea);border-radius:999px;padding:8px 8px 8px 22px;box-shadow:0 20px 50px -14px rgba(10,20,40,.45);transform:translateY(140%);opacity:0;transition:transform .45s cubic-bezier(.2,.9,.3,1.2),opacity .3s}
.fija.on{transform:none;opacity:1}
.fija .txt{line-height:1.2;font-size:13px;color:var(--gris)}
.fija .txt b{display:block;font-size:16.5px;font-weight:600;color:var(--negro)}
.fija em{font-style:normal;display:inline-flex;align-items:center;gap:.55em;font-weight:600;font-size:16px;background:var(--azul);color:#fff;border-radius:999px;padding:14px 22px;white-space:nowrap;transition:background .18s}
.fija:hover em{background:var(--azul-osc)}
.fija em::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--amarillo);animation:pulso 2s infinite}
@keyframes pulso{0%{box-shadow:0 0 0 0 rgba(255,227,115,.85)}70%{box-shadow:0 0 0 10px rgba(255,227,115,0)}100%{box-shadow:0 0 0 0 rgba(255,227,115,0)}}

@media(max-width:900px){
  .hero .wrap{grid-template-columns:1fr;grid-template-areas:"txt" "media" "cta";text-align:center}
  .hero .lead{margin-inline:auto}
  .hero-media{margin-top:30px}
  .hero-cta{margin-top:26px}
  .hero .nota{margin-inline:auto}
  .l-chk{justify-content:center}
  .l-grid,.l-pasos{grid-template-columns:1fr 1fr}
  .l-dos,.l-faq-grid{grid-template-columns:1fr;gap:36px}
  .l-faq-aside,.precio{position:static}
  .l-faq-aside{text-align:center}
}
@media(prefers-reduced-motion:reduce){
  .landing *,.fija,.fija *{animation:none!important;transition:none!important}
  .js .rv{opacity:1;transform:none}
}

/* Página de pago */
.pago main{background:var(--crudo);padding:22px 14px 56px}
.pago-col{max-width:520px;margin:0 auto}
.pago-caja{background:#fff;border-radius:24px;box-shadow:0 14px 40px rgba(35,35,35,.10);margin:0;overflow:hidden}
.pago-caja .foto{position:relative}
.pago-caja .portada{display:block;width:100%;aspect-ratio:16/9;object-fit:cover}
.sello{position:absolute;left:5.6%;bottom:8%;display:flex;align-items:baseline;gap:8px;background:#fff;color:#2E2E2E;border-radius:999px;padding:6px 16px 6px 14px;box-shadow:0 8px 20px rgba(8,20,45,.35);transform:rotate(-2deg)}
.sello b{font-size:clamp(20px,5.4vw,27px);font-weight:700;letter-spacing:-.5px}
.sello span{font-size:12.5px;font-weight:500;color:var(--gris)}
.pago-caja .cuerpo{padding:22px 22px 26px}
.pago-caja h1{font-size:25px;font-weight:600;letter-spacing:-.4px;color:#2E2E2E}
.pago-caja .lema{color:var(--gris);font-size:15.5px;margin-top:4px}
.precio-fila{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-top:14px;padding-bottom:20px;border-bottom:1px solid var(--linea)}
.precio-fila b{font-size:30px;font-weight:600;letter-spacing:-.6px;line-height:1;color:#2E2E2E}
.precio-fila span{background:var(--amarillo);border-radius:999px;padding:4px 12px;font-size:13px;font-weight:600}
.pago-caja h2{display:flex;align-items:center;gap:9px;font-size:13px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--gris);margin:24px 0 12px}
.pago-caja .cuerpo>h2:first-child{margin-top:4px}
.pago-caja h2 i{display:grid;place-items:center;width:22px;height:22px;border-radius:50%;border:1.5px solid #BDBDB8;color:var(--gris);font-style:normal;font-size:12px;font-weight:600;letter-spacing:0}
.pago-caja label{display:block;font-size:14.5px;font-weight:500;color:#2E2E2E;margin:14px 0 7px}
.pago-caja label small{font-weight:400;color:var(--gris)}
.pago-caja h2+label{margin-top:0}
.pago-caja input[type=email],.pago-caja input[type=text]{width:100%;padding:14px 15px;border:1.5px solid var(--linea);border-radius:14px;font:inherit;font-size:16px;background:#FBFBFA}
.pago-caja input:focus{outline:0;border-color:var(--azul);background:#fff;box-shadow:0 0 0 4px rgba(47,110,182,.14)}
.metodo{display:flex;gap:14px;align-items:flex-start;border:1.5px solid var(--azul);background:var(--cielo);border-radius:14px;padding:14px 16px}
.metodo span{font-size:24px;line-height:1.2}
.metodo b{display:block;font-size:15.5px;font-weight:600}
.metodo small{display:block;color:#4d4d4d;font-size:13.5px;line-height:1.45;margin-top:2px}
.total{display:flex;justify-content:space-between;align-items:baseline;margin-top:24px;padding-top:18px;border-top:1px dashed #d4d4d0;font-weight:500;color:#2E2E2E}
.total b{font-size:20px;font-weight:600;letter-spacing:-.3px}
.pago-caja label.acepto{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;font-weight:400;margin:16px 0;cursor:pointer}
.acepto input{width:19px;height:19px;margin:2px 0 0;flex:none;accent-color:var(--azul)}
.pagar{width:100%;padding:16px;border:0;border-radius:999px;background:var(--amarillo);color:#2E2E2E;font:600 16.5px "Poppins",system-ui,sans-serif;cursor:pointer;box-shadow:0 8px 20px rgba(255,200,40,.35);transition:transform .15s,background .15s}
.pagar:hover{background:#FFD84A;transform:translateY(-1px)}
.seguro{text-align:center;font-size:13px;color:var(--gris);margin-top:12px}
.pago-info{padding:30px 6px 0}
.pago-info h2{font-size:21px;font-weight:600;color:#2E2E2E;margin-bottom:10px}
.checks{list-style:none;margin:0;padding:0}
.checks li{display:flex;gap:12px;align-items:flex-start;padding:13px 0;border-bottom:1px solid rgba(35,35,35,.08)}
.checks i{flex:none;width:34px;text-align:center;font-style:normal;font-size:26px;line-height:1.2}
.checks b{display:block;font-weight:600;font-size:16px;color:#2E2E2E}
.checks small{display:block;color:#555;font-size:14.5px;line-height:1.5;margin-top:2px}
.pago-info .tuyo{font-size:16px;font-weight:500;color:#2E2E2E;margin-top:20px}
.pago-info .letra{font-size:14px;color:#666;margin-top:10px}
.apunte{background:#fff;border-radius:16px;padding:16px 18px;margin-top:20px;font-size:14.5px}
.apunte p{color:#555;margin-top:4px}
@media(min-width:900px){
  .pago-col{max-width:980px;display:grid;grid-template-columns:1fr 460px;gap:44px;align-items:start}
  .pago-caja{grid-column:2;grid-row:1;position:sticky;top:20px}
  .pago-info{grid-column:1;grid-row:1;padding-top:10px}
  .pago-info h2{font-size:24px}
}

/* Páginas cortas: entrar, gracias, avisos */
.centrada main{display:grid;place-items:center;padding:40px 16px;background:var(--crudo)}
.caja{background:#fff;border:1px solid var(--linea);border-radius:22px;padding:36px 30px;width:100%;max-width:460px;text-align:center}
.caja h1{font-size:28px;margin-bottom:12px}
.caja p{color:var(--gris);margin-bottom:16px}
.caja p b{color:var(--negro)}
.caja form{margin:0}
.caja input[type=email]{width:100%;padding:14px 16px;border:1px solid var(--linea);border-radius:12px;font:inherit;margin-bottom:12px}
.caja input[type=email]:focus{outline:2px solid var(--azul);border-color:transparent}
.caja .boton{width:100%}
.caja .nota{text-align:left;word-break:break-word}

/* Área de alumnos: menú lateral fijo (el mismo en todas las páginas), mis cursos, portada del curso y lección */
.alumno{background:var(--crudo)}
.app{flex:1;display:grid;grid-template-columns:292px minmax(0,1fr);align-items:start}
.app-main{display:flex;flex-direction:column;min-width:0;min-height:100vh}
.alumno main{background:var(--crudo)}
.alumno section{padding:0}
.app-top{display:none}

.lateral{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:6px;padding:22px 14px 16px;background:linear-gradient(180deg,#245791 0%,#1B4476 100%);color:#DCE8F7;overflow-y:auto}
.lateral .marca{padding:4px 10px 18px}
.lateral .marca .nombre .la{color:#fff}
.lateral .marca .nombre .lb{color:var(--azul-claro)}
.lateral .marca .nombre .lp{background:#fff}
.lateral nav{flex:1;display:flex;flex-direction:column;gap:4px}
.lateral .item{display:flex;align-items:center;gap:11px;width:100%;padding:11px 12px;border:0;border-radius:14px;background:none;color:#DCE8F7;font:500 15px "Poppins",system-ui,sans-serif;text-decoration:none;text-align:left;cursor:pointer;transition:background .15s,color .15s}
.lateral .item svg{flex:none;width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.lateral .item:hover{background:rgba(255,255,255,.1);color:#fff}
.lateral .item.activo{background:var(--amarillo);color:var(--negro);font-weight:600}
.lateral .item span{flex:1;min-width:0}
.lateral .item small{flex:none;font-size:12px;opacity:.75}
.lateral .rotulo{font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.5);margin:18px 12px 4px}
.lat-curso.abierto{background:rgba(255,255,255,.07);border-radius:18px;padding:4px 4px 8px}
.lat-curso.abierto>.item:not(.activo){color:#fff;font-weight:600}
.lat-mod{margin-top:2px}
.lat-mod summary{list-style:none;display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:12px;cursor:pointer;font-size:14px;font-weight:500;color:#DCE8F7}
.lat-mod summary::-webkit-details-marker{display:none}
.lat-mod summary:hover{background:rgba(255,255,255,.08)}
.lat-mod summary i{flex:none;display:grid;place-items:center;width:22px;height:22px;border-radius:7px;border:1px solid rgba(255,255,255,.35);font-style:normal;font-size:11.5px;font-weight:600}
.lat-mod[open] summary i{background:#fff;border-color:#fff;color:var(--azul-osc)}
.lat-mod summary span{flex:1;min-width:0}
.lat-mod summary small{font-size:11.5px;opacity:.7}
.lat-mod summary::after{content:"";flex:none;width:7px;height:7px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(-45deg);opacity:.7;transition:transform .2s}
.lat-mod[open] summary::after{transform:rotate(45deg)}
.lat-mod ol{list-style:none;margin:2px 0 6px;padding:0 0 0 14px}
.lat-mod li a{display:flex;gap:9px;align-items:flex-start;padding:7px 10px;border-radius:10px;text-decoration:none;color:#C9DAEE;font-size:13.5px;line-height:1.35}
.lat-mod li a:hover{background:rgba(255,255,255,.08);color:#fff}
.lat-mod li i{flex:none;display:grid;place-items:center;width:16px;height:16px;margin-top:1px;border-radius:50%;border:1.5px solid rgba(255,255,255,.4);font-style:normal;font-size:10px;color:var(--azul-osc)}
.lat-mod .hecha i{background:var(--amarillo);border-color:var(--amarillo)}
.lat-mod .actual a{background:rgba(255,255,255,.16);color:#fff;font-weight:600}
.lat-pie{border-top:1px solid rgba(255,255,255,.14);padding-top:8px;margin-top:8px}
.lat-pie form{margin:0}
.lat-velo{display:none}

.al-pag{width:100%;max-width:1080px;margin:0 auto;padding:38px 36px 72px}
.al-pag.estrecha{max-width:860px;padding-top:28px}
.al-cab h1{font-size:clamp(32px,4.4vw,48px);letter-spacing:-.025em;margin-top:2px}
.al-cab p{color:var(--gris);font-size:17px;margin-top:8px}
.alumno .al-titulo{font-size:21px;letter-spacing:-.2px;margin:34px 0 14px}
.progreso{display:block;height:8px;background:rgba(36,87,145,.14);border-radius:999px;overflow:hidden}
.progreso>*{display:block;height:100%;background:var(--azul);border-radius:999px;min-width:8px}
.avance{font-size:13.5px;color:var(--gris);margin-top:8px}
.al-pag>.nota{background:#fff;margin:0 0 18px}

.al-cursos{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.al-curso{background:#fff;border:1px solid var(--linea);border-radius:26px;overflow:hidden;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s,border-color .2s}
.al-curso:hover{transform:translateY(-4px);border-color:transparent;box-shadow:0 1px 2px rgba(35,35,35,.04),0 22px 44px -20px rgba(36,87,145,.34)}
.al-curso .foto img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover}
.al-curso .info{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.al-curso h3{font-size:20px;letter-spacing:-.3px}
.al-curso .lema{color:var(--gris);font-size:14.5px;line-height:1.45;margin:4px 0 16px}
.al-curso .acc{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.al-curso .acc .boton{flex:1;text-align:center;border-radius:999px;padding:11px 12px;font-size:14.5px;white-space:nowrap}
.boton.claro{background:var(--cielo);color:var(--azul-osc)}
.boton.claro:hover{background:var(--azul-claro)}

.alumno .curso-cab{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center;background:#fff;border:1px solid var(--linea);border-radius:28px;padding:32px 34px}
.curso-cab h1{font-size:clamp(30px,4vw,44px);letter-spacing:-.025em}
.curso-cab .txt>p:not(.avance){color:var(--gris);font-size:17px;margin-top:6px}
.curso-cab img{display:block;width:100%;border-radius:18px}
.curso-cab .progreso{margin-top:20px;max-width:420px}
.curso-cab .boton{margin-top:18px;border-radius:999px;box-shadow:none}
.modulo{background:#fff;border:1px solid var(--linea);border-radius:22px;margin-bottom:14px;overflow:hidden}
.modulo summary{list-style:none;display:flex;align-items:center;gap:14px;padding:16px 20px;cursor:pointer}
.modulo summary::-webkit-details-marker{display:none}
.modulo summary i{flex:none;display:grid;place-items:center;width:34px;height:34px;border-radius:11px;background:var(--azul-osc);color:#fff;font-style:normal;font-size:15px;font-weight:600}
.modulo summary span{flex:1;min-width:0}
.modulo summary b{display:block;font-size:18px;font-weight:600;letter-spacing:-.2px;line-height:1.25}
.modulo summary small{display:block;color:var(--gris);font-size:13.5px}
.modulo summary em{flex:none;font-style:normal;font-size:13px;font-weight:600;color:var(--azul-osc);background:var(--cielo);border-radius:999px;padding:4px 11px}
.modulo summary em.lleno{background:#DDF1E7;color:var(--ok)}
.modulo summary::after{content:"";flex:none;width:8px;height:8px;margin:0 4px 4px;border-right:2px solid var(--gris);border-bottom:2px solid var(--gris);transform:rotate(45deg);transition:transform .2s}
.modulo:not([open]) summary::after{transform:rotate(-45deg);margin-bottom:0}
.lecciones{list-style:none;margin:0;padding:0;border-top:1px solid var(--linea)}
.lecciones li+li{border-top:1px solid var(--linea)}
.lecciones a{display:flex;align-items:center;gap:16px;padding:14px 20px 14px 22px;text-decoration:none;color:var(--negro);transition:background .15s}
.lecciones a:hover{background:#FAF8F3}
.lecciones .num{flex:none;display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--cielo);font-size:13.5px;font-weight:600;color:var(--azul-osc)}
.lecciones .hecha .num{background:var(--ok);color:#fff}
.lecciones .actual .num{background:var(--amarillo);color:var(--negro);box-shadow:0 0 0 5px rgba(255,227,115,.35)}
.lecciones .tit{flex:1;min-width:0}
.lecciones .tit b{display:block;font-weight:600;font-size:16px;line-height:1.3}
.lecciones .tit small{display:block;color:var(--gris);font-size:14px;margin-top:2px}
.lecciones .min{flex:none;font-size:13px;color:var(--gris);white-space:nowrap}

.lec-barra{position:sticky;top:0;z-index:4;background:rgba(246,241,231,.94);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid rgba(35,35,35,.08)}
.lec-barra .in{display:flex;align-items:center;gap:16px;max-width:860px;margin:0 auto;padding:12px 36px}
.lec-barra .atras{flex:none;display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:#fff;border:1px solid var(--linea);text-decoration:none;color:var(--negro);font-size:18px}
.lec-barra .atras:hover{border-color:var(--azul)}
.lec-barra .donde{flex:1;min-width:0}
.lec-barra .donde b{display:block;font-size:15px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lec-barra .donde div{display:flex;align-items:center;gap:10px;margin-top:5px}
.lec-barra .progreso{flex:1;max-width:320px;height:6px}
.lec-barra small{font-size:12.5px;color:var(--gris)}
.lec-barra .mov{flex:none;display:flex;gap:8px}
.lec-barra .boton{padding:10px 18px;font-size:14.5px;border-radius:999px}

.lec-cuerpo{background:#fff;border:1px solid var(--linea);border-radius:28px;padding:36px 44px 38px;min-width:0}
.lec-cuerpo h1{font-size:clamp(28px,3.6vw,40px);letter-spacing:-.025em;margin-top:2px}
.lec-meta{font-size:14px;color:var(--gris);margin:8px 0 24px}
.lec-meta b{color:var(--ok);font-weight:600}
.video{position:relative;aspect-ratio:16/9;background:#000;border-radius:18px;overflow:hidden;margin-bottom:26px}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video.vacio{display:grid;place-content:center;justify-items:center;gap:8px;text-align:center;padding:0 20px;background:#FAF8F3;border:1px dashed var(--azul-claro);color:var(--gris);font-size:15px}
.video.vacio span{font-size:30px;color:var(--azul)}
.descargas{list-style:none;padding:0;margin:0 0 26px;display:grid;gap:10px}
.descargas a,.descargas div{display:flex;align-items:center;gap:14px;padding:14px 18px;border:1px solid var(--linea);border-radius:18px;text-decoration:none;color:var(--negro);background:#FAF8F3}
.descargas a:hover{border-color:var(--azul)}
.descargas i{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:var(--azul-osc);color:#fff;font-style:normal;flex:none}
.descargas b{flex:1;font-weight:600}
.descargas span{font-size:14px;color:var(--gris)}
.descargas a span{color:var(--azul);font-weight:600}

.cuerpo{font-size:17px;line-height:1.7;color:#3a3a3a}
.cuerpo>:last-child{margin-bottom:0}
.cuerpo .entrada{font-size:19px;color:var(--negro)}
.cuerpo p{margin-bottom:16px}
.alumno .cuerpo h2{font-size:23px;letter-spacing:-.3px;margin:36px 0 12px;color:var(--negro)}
.cuerpo h3{font-size:18.5px;letter-spacing:-.2px;margin:26px 0 8px;color:var(--negro)}
.cuerpo h4{font-size:16.5px;margin:20px 0 6px;color:var(--negro)}
.cuerpo ul,.cuerpo ol{margin:0 0 16px;padding-left:24px}
.cuerpo li{margin-bottom:8px;padding-left:4px}
.cuerpo li::marker{color:var(--azul);font-weight:600}
.cuerpo b{color:var(--negro);font-weight:600}
.cuerpo code{background:var(--cielo);color:var(--azul-osc);border-radius:6px;padding:2px 7px;font:500 .88em ui-monospace,SFMono-Regular,Menlo,monospace}
.cuerpo .tabla{overflow-x:auto;margin:0 0 18px;border:1px solid var(--linea);border-radius:16px}
.cuerpo table{width:100%;border-collapse:collapse;font-size:15px}
.cuerpo th,.cuerpo td{text-align:left;vertical-align:top;padding:11px 14px;border-bottom:1px solid var(--linea)}
.cuerpo tr:last-child td{border-bottom:0}
.cuerpo th{background:#FAF8F3;font-weight:600;color:var(--negro)}
.copiar{position:relative;background:var(--cielo);border:1px solid var(--azul-claro);border-radius:18px;padding:18px 20px 16px;margin:0 0 20px}
.copiar p{margin:0 0 12px;color:#1f3550;font-size:16.5px}
.copiar pre{margin:0 0 12px;white-space:pre-wrap;word-break:break-word;font:500 14.5px/1.6 ui-monospace,SFMono-Regular,Menlo,monospace;color:#1f3550}
.copiar.codigo{background:#1E2A3A;border-color:#1E2A3A}
.copiar.codigo pre{color:#E6EEF8}
.copiar button{font:600 13.5px "Poppins",system-ui,sans-serif;background:var(--azul);color:#fff;border:0;border-radius:999px;padding:7px 16px;cursor:pointer}
.copiar button:hover{background:var(--azul-osc)}
.cuerpo .plegado{margin-top:30px;border:1px solid var(--linea);border-radius:18px;background:#FAF8F3;padding:0 20px}
.cuerpo .plegado summary{cursor:pointer;padding:16px 0;font-weight:600;font-size:16px;color:var(--azul-osc)}
.cuerpo .plegado[open]{padding-bottom:18px}
.cuerpo .plegado .aviso{font-size:14.5px;color:var(--gris)}
.cuerpo .tareas{list-style:none;padding:0}
.cuerpo .tareas label{display:flex;gap:10px;align-items:flex-start;cursor:pointer}
.cuerpo .tareas input{width:19px;height:19px;margin:5px 0 0;flex:none;accent-color:var(--azul)}

.lec-fin{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin:18px 0 0;background:#fff;border:1px solid var(--linea);border-radius:24px;padding:22px 26px;box-shadow:0 18px 40px -26px rgba(36,87,145,.45)}
.lec-fin .txt{flex:1;min-width:220px}
.lec-fin .txt b{display:block;font-size:18.5px;font-weight:600;letter-spacing:-.2px}
.lec-fin .txt small{display:block;color:var(--gris);font-size:14.5px;margin-top:3px}
.lec-fin .boton{flex:none;border-radius:999px;padding:15px 26px}
.lec-fin.hecha{background:#F1F8F4;border-color:#CDE7D9;box-shadow:none}
.lec-fin.hecha .txt b{color:var(--ok)}
.relleno{background:var(--crema);border-radius:10px;padding:10px 14px;font-size:14.5px;color:#5b4a1c}
.alumno .pie{border-top:1px solid rgba(35,35,35,.08)}
.alumno .pie .wrap{max-width:1080px;padding:0 36px}

@media(max-width:980px){
  .app{grid-template-columns:1fr}
  .app-top{display:flex;align-items:center;gap:12px;padding:10px 16px;border-bottom:1px solid rgba(35,35,35,.08)}
  .abre-menu{display:grid;gap:4px;align-content:center;justify-items:center;width:42px;height:42px;border-radius:12px;border:1px solid var(--linea);background:#fff;cursor:pointer;padding:0}
  .abre-menu span{display:block;width:18px;height:2px;border-radius:2px;background:var(--negro)}
  .lateral{position:fixed;left:0;top:0;bottom:0;z-index:20;width:min(86vw,320px);height:auto;transform:translateX(-102%);transition:transform .28s ease;box-shadow:0 0 60px rgba(8,20,45,.4)}
  .menu-abierto .lateral{transform:none}
  .menu-abierto .lat-velo{display:block;position:fixed;inset:0;z-index:19;background:rgba(8,20,45,.45)}
  .al-cursos{grid-template-columns:repeat(2,minmax(0,1fr))}
  .al-pag{padding:24px 18px 56px}
  .al-pag.estrecha{padding-top:18px}
  .alumno .curso-cab{grid-template-columns:1fr;gap:22px;padding:24px 22px}
  .curso-cab img{order:-1}
  .lec-barra .in{padding:10px 16px;gap:10px}
  .lec-barra .mov span{display:none}
  .lec-barra .boton{padding:10px 14px}
  .lec-cuerpo{padding:26px 22px 28px;border-radius:22px}
  .lec-fin{padding:20px 20px}
  .lec-fin .boton{width:100%;text-align:center}
  .alumno .pie .wrap{padding:0 18px}
  .descargas a,.descargas div{flex-wrap:wrap;row-gap:0}
  .descargas span{flex-basis:100%;padding-left:52px;margin-top:-6px}
}

.pie{background:var(--crudo);border-top:1px solid rgba(35,35,35,.08);padding:22px 0;font-size:13.5px;color:var(--gris)}
.pie .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px}
.pie nav{display:flex;flex-wrap:wrap;gap:6px 18px}
.pie nav a{color:var(--gris)}

/* Textos legales */
.legal main{background:var(--crudo)}
.textolegal{background:#fff;border:1px solid var(--linea);border-radius:24px;padding:40px 44px;max-width:780px}
.textolegal h1{font-size:clamp(28px,4vw,38px);letter-spacing:-.02em}
.textolegal .fecha{color:var(--gris);font-size:14px;margin:8px 0 26px}
.legal section .textolegal h2{font-size:19px;letter-spacing:-.2px;margin:30px 0 10px}
.textolegal p,.textolegal li{color:#4d4d4d;font-size:16px;line-height:1.65}
.textolegal p{margin-bottom:12px}
.textolegal ul{margin:0 0 12px;padding-left:20px}
.textolegal li{margin-bottom:6px}
.textolegal table{width:100%;border-collapse:collapse;margin:6px 0 14px;font-size:15px}
.textolegal th,.textolegal td{text-align:left;vertical-align:top;padding:9px 10px;border-bottom:1px solid var(--linea);color:#4d4d4d}
.textolegal th{font-weight:600;color:var(--negro)}
.acepto small{display:block;color:var(--gris);font-size:13px;margin-top:2px}
.pago-caja label.acepto.opcional{margin-top:-6px}


@media(max-width:760px){
  .al-cursos{grid-template-columns:1fr}
  .landing section{padding:64px 0}
  .landing .hero{padding:40px 0 56px}
  .l-head{margin-bottom:36px}
  .l-grid,.l-pasos{grid-template-columns:1fr;gap:14px}
  .l-card{padding:26px}
  .fija{left:12px;right:12px;bottom:12px;border-radius:22px;justify-content:space-between;padding:10px 10px 10px 18px}
  .landing .pie{padding-bottom:98px}
  .pago-caja .cuerpo{padding:20px 18px 24px}
  section{padding:40px 0}
  .marca span{display:none}
  .caja{padding:28px 20px}
  .textolegal{padding:28px 22px}
}