: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 logo en azul */
.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 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 */
.landing .barra{position:static}
.hero{background:radial-gradient(900px 500px at 85% -10%,rgba(171,204,241,.55),transparent 60%),linear-gradient(160deg,#2F6EB6 0%,#245791 100%);color:#fff;padding:54px 0 64px;text-align:center;position:relative;overflow:hidden}
.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}
.pildora{display:inline-block;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.35);border-radius:999px;padding:7px 18px;font-size:12.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase}
.hero h1{font-size:clamp(58px,13vw,118px);font-weight:800;letter-spacing:-3px;line-height:.98;margin-top:18px}
.hero .sub{font-size:clamp(22px,4.2vw,34px);font-weight:700;color:var(--amarillo);margin-top:14px;letter-spacing:-.4px}
.hero .flechas{font-size:clamp(16px,2.6vw,20px);color:rgba(255,255,255,.9);margin-top:12px}
.demo{max-width:520px;margin:30px auto 26px}
.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)}
.hero .mini{color:rgba(255,255,255,.8)}
.hero .nota{color:var(--negro);max-width:480px;margin:16px auto}
.boton.amarillo{background:var(--amarillo);color:var(--negro);box-shadow:0 10px 26px rgba(10,20,40,.3)}
.boton.amarillo:hover{background:#FFD84A}
.boton.grande{font-size:19px;padding:18px 34px;border-radius:999px}
.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 22px}
@keyframes cinta{to{transform:translateX(-50%)}}
.crema{background:var(--crudo)}
.hace{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.tarjeta{border-radius:22px;padding:26px 24px;transition:transform .2s}
.tarjeta:hover{transform:translateY(-4px) rotate(-.6deg)}
.tarjeta.c0{background:var(--cielo)}.tarjeta.c1{background:#FFF4C2}.tarjeta.c2{background:var(--crema)}
.tarjeta span{display:block;font-size:38px;margin-bottom:12px}
.tarjeta h3,.pasos h3{font-size:20px;margin-bottom:6px;letter-spacing:-.2px}
.tarjeta p,.pasos p{color:#4d4d4d;font-size:15.5px}
.pasos{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.pasos div{background:#fff;border-radius:22px;padding:26px 24px;box-shadow:0 8px 24px rgba(35,35,35,.06)}
.pasos b{display:grid;place-items:center;width:46px;height:46px;border-radius:50%;background:var(--azul);color:#fff;font-size:20px;font-weight:700;margin-bottom:14px}
.dos{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}
.incluye{list-style:none;margin:0;padding:0}
.incluye li{display:flex;gap:14px;align-items:center;padding:13px 0;border-bottom:1px solid var(--linea)}
.incluye li span{flex:none;display:grid;place-items:center;width:48px;height:48px;border-radius:14px;background:var(--cielo);font-size:23px}
.incluye b{display:block;font-weight:600;font-size:17px}
.incluye small{color:var(--gris);font-size:14.5px}
.precio{background:#fff;border:2px solid var(--negro);border-radius:26px;padding:18px 18px 26px;text-align:center;box-shadow:8px 8px 0 var(--amarillo)}
.precio img{display:block;width:100%;border-radius:14px;margin-bottom:18px}
.precio .etiqueta{display:inline-block;background:var(--negro);color:#fff;border-radius:999px;padding:4px 14px;font-size:12.5px;font-weight:600;letter-spacing:.1em;text-transform:uppercase}
.precio .cifra{font-size:68px;font-weight:800;letter-spacing:-2px;line-height:1.1;margin-top:8px}
.precio .boton{margin-top:16px;width:100%}
details{border-bottom:1px solid rgba(35,35,35,.15);padding:16px 0}
summary{font-weight:600;cursor:pointer;font-size:17.5px}
details p{color:#4d4d4d;margin-top:8px}
.fija{display: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}

/* Curso */
.cab-curso{background:var(--cielo);padding:44px 0}
.cab-curso h1{font-size:clamp(30px,5vw,46px)}
.progreso{height:10px;background:#fff;border-radius:999px;overflow:hidden;margin-top:20px;max-width:420px}
.progreso div{height:100%;background:var(--azul);border-radius:999px}
.cab-curso .boton{margin-top:18px}
.cab-curso .nota{background:#fff;margin:0 0 22px}
.curso section h2{font-size:21px;margin:28px 0 12px}
.curso section h2:first-child{margin-top:0}
.lecciones{list-style:none;margin:0;padding:0;border:1px solid var(--linea);border-radius:16px;overflow:hidden}
.lecciones li+li{border-top:1px solid var(--linea)}
.lecciones a{display:flex;align-items:center;gap:14px;padding:15px 16px;text-decoration:none;color:var(--negro)}
.lecciones a:hover{background:var(--suave)}
.lecciones .num{flex:none;display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--suave);font-size:14px;font-weight:600;color:var(--gris)}
.lecciones .hecha .num{background:var(--ok);color:#fff}
.lecciones .tit{flex:1;font-weight:500}
.lecciones .min{flex:none;font-size:13.5px;color:var(--gris)}
.leccion h1{font-size:clamp(27px,4.4vw,38px);margin-bottom:20px}
.miga{font-size:14px;color:var(--gris);margin-bottom:12px}
.miga a{text-decoration:none}
.video{position:relative;aspect-ratio:16/9;background:#000;border-radius:16px;overflow:hidden;margin-bottom:24px}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video.vacio{display:grid;place-content:center;justify-items:center;gap:8px;background:var(--suave);border:1px dashed var(--azul-claro);color:var(--gris);font-size:15px}
.video.vacio span{font-size:30px;color:var(--azul)}
.cuerpo p{margin-bottom:14px}
.relleno{background:var(--crema);border-radius:10px;padding:10px 14px;font-size:14.5px;color:#5b4a1c}
.descargas{list-style:none;padding:0;margin:0 0 8px}
.descargas li{padding:12px 16px;border:1px solid var(--linea);border-radius:12px;margin-bottom:8px}
.descargas a{text-decoration:none;font-weight:500}
.descargas span{color:var(--gris)}
.hecho{display:flex;align-items:center;gap:16px;margin:28px 0;padding-top:24px;border-top:1px solid var(--linea)}
.hecho .ok{color:var(--ok);font-weight:600}
.pasar{display:flex;justify-content:space-between;gap:16px;font-size:14.5px}
.pasar a{text-decoration:none;max-width:48%}

.pie{border-top:1px solid var(--linea);padding:22px 0;font-size:13.5px;color:var(--gris)}

@media(max-width:760px){
  .pasos,.hace,.dos{grid-template-columns:1fr}
  .hace{gap:12px}
  .fija{display:flex;position:fixed;left:10px;right:10px;bottom:10px;z-index:9;align-items:center;justify-content:space-between;gap:10px;background:#fff;color:var(--negro);text-decoration:none;border-radius:999px;padding:9px 9px 9px 20px;font-size:15px;box-shadow:0 10px 30px rgba(10,20,40,.35)}
  .fija em{font-style:normal;font-weight:600;background:var(--amarillo);color:var(--negro);border-radius:999px;padding:9px 16px}
  .landing .pie{padding-bottom:86px}
  .pago-caja .cuerpo{padding:20px 18px 24px}
  section{padding:40px 0}
  .hero{padding:40px 0 48px}
  .marca span{display:none}
  .caja{padding:28px 20px}
  .pasar{flex-direction:column}.pasar a{max-width:none}
}