/* Landing: una columna limpia, mucho aire, CTA en cada bloque; el carrusel de cursos es el centro de la página. */
:root{
  --bg:#0a0a0a; --s1:#0e1117; --s2:#141922; --s3:#1b222f; --line:#232c3b;
  --fg:#eef2f9; --mut:#8e99ad; --mut2:#5d687c;
  --blue:#004fff; --sky:#009bff; --cyan:#00d2fe;
  --display:'Poppins','Segoe UI',system-ui,sans-serif;
  --body:'Montserrat','Segoe UI',system-ui,sans-serif;
  --mono:'Montserrat','Segoe UI',system-ui,sans-serif;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--fg);font:400 16px/1.6 var(--body);-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);background:var(--bg);z-index:30}
h1,h2,h3{font-family:var(--display);margin:0;line-height:1.12;letter-spacing:-.025em;text-wrap:balance}
p{margin:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:0;padding:0}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px}
.ic{flex:none;display:block}
.wrap{max-width:1180px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.mono{font:500 12px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--cyan)}
section{padding-block:clamp(64px,9vw,112px)}
.h2{font-size:clamp(32px,4.6vw,52px);font-weight:800}
.lead{color:var(--mut);font-size:clamp(16px,1.6vw,19px);max-width:56ch}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:48px;padding:0 22px;border-radius:12px;font-weight:600;font-size:15px;border:1px solid var(--line);background:var(--s2);transition:.15s;white-space:nowrap}
.btn:hover{background:var(--s3);border-color:#34425a}
.btn.pri{background:var(--blue);border-color:var(--blue);color:#fff}
.btn.pri:hover{background:#1a62ff;box-shadow:0 0 0 5px rgba(0,79,255,.25)}
.btn.glow{background:var(--cyan);border-color:var(--cyan);color:#04121a}
.btn.glow:hover{background:#52e3ff;box-shadow:0 0 0 5px rgba(0,210,254,.22)}
.btn.lg{height:56px;padding:0 28px;font-size:16px;border-radius:14px}
.btn.sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px}
.btn.block{width:100%}

/* nav */
.nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:rgba(10,10,10,.82);backdrop-filter:blur(12px);border-bottom:1px solid rgba(35,44,59,.7)}
.nav .wrap{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:flex;align-items:center;gap:10px;font:800 20px var(--display);letter-spacing:-.03em}
.ac{font-weight:500;color:var(--mut);margin-left:6px}
.logo{width:38px;height:38px;display:block;object-fit:contain;flex:none}
.links{display:flex;gap:26px;margin-left:12px;color:var(--mut);font-weight:500;font-size:15px}
.links a:hover{color:var(--fg)}
.nav .sp{flex:1}
.nav .acts{display:flex;gap:10px;align-items:center}

/* hero */
.hero{padding-block:clamp(48px,8vw,96px) clamp(56px,8vw,96px);position:relative;overflow:hidden;isolation:isolate}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(60% 70% at 85% 10%,rgba(0,79,255,.45),transparent 65%),radial-gradient(40% 50% at 100% 60%,rgba(0,210,254,.16),transparent 70%)}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(32px,5vw,72px);align-items:center}
.hero h1{font-size:clamp(40px,6.2vw,76px);font-weight:800;margin:18px 0 22px}
.hero h1 em{font-style:normal;color:var(--cyan)}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.points{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:30px;color:var(--mut);font-size:14.5px}
.points span{display:inline-flex;align-items:center;gap:8px}
.points .ic{color:var(--cyan)}
.mock{position:relative;padding:18px 0 40px}
.mcard{border:1px solid var(--line);background:var(--s1);border-radius:22px;overflow:hidden;box-shadow:0 40px 80px -30px rgba(0,79,255,.5)}
.mvid{aspect-ratio:16/10;position:relative;background:radial-gradient(90% 100% at 90% 0%,rgba(0,210,254,.55),transparent 55%),radial-gradient(80% 90% at 0% 100%,rgba(0,79,255,.9),transparent 60%),#07101f;isolation:isolate}
.mvid::before{content:"";position:absolute;inset:0;z-index:-1;background:repeating-linear-gradient(0deg,rgba(255,255,255,.05) 0 1px,transparent 1px 30px),repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 30px)}
.mvid .play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:68px;height:68px;border-radius:50%;background:var(--cyan);color:#04121a;display:grid;place-items:center;box-shadow:0 0 0 10px rgba(0,210,254,.2)}
.mvid b{position:absolute;left:20px;bottom:16px;font:800 20px var(--display)}
.mbody{padding:18px 20px 20px;display:grid;gap:12px}
.mbody .t{display:flex;justify-content:space-between;gap:12px;font-weight:600}
.mbody .t span:last-child{font:500 12px var(--mono);color:var(--mut)}
.seg{display:flex;gap:3px;height:6px}
.seg i{flex:1;border-radius:3px;background:var(--s3)}
.seg i.on{background:linear-gradient(90deg,var(--sky),var(--cyan))}
.float{position:absolute;display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:14px;background:var(--s3);border:1px solid #34425a;box-shadow:0 20px 40px rgba(0,0,0,.5);font-size:13.5px;font-weight:500}
.float .ico{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:rgba(0,210,254,.14);color:var(--cyan)}
.float small{display:block;color:var(--mut);font-size:12px;font-weight:400}
.f1{left:-24px;bottom:6px}
.f2{right:-14px;top:0}

/* categorias */
.cats{padding-block:0 clamp(40px,6vw,64px)}
.catgrid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.cat{display:flex;align-items:center;gap:14px;padding:18px 20px;border-radius:16px;border:1px solid var(--line);background:var(--s1);font-weight:600;transition:.2s;text-align:left}
.cat:hover{border-color:rgba(0,210,254,.5);transform:translateY(-2px)}
.cat .ico{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:rgba(0,79,255,.2);color:var(--cyan);flex:none}
.cat small{display:block;color:var(--mut);font-weight:400;font-size:13px}

/* carrusel */
.shead{display:flex;flex-wrap:wrap;align-items:end;justify-content:space-between;gap:24px;margin-bottom:28px}
.shead .h2{margin-top:14px}
.arrows{display:flex;gap:10px}
.arrow{width:48px;height:48px;border-radius:50%;border:1px solid var(--line);background:var(--s2);display:grid;place-items:center;transition:.15s}
.arrow:hover{background:var(--blue);border-color:var(--blue)}
.arrow[disabled]{opacity:.3;pointer-events:none}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:26px}
.chip{height:38px;padding:0 16px;border-radius:99px;border:1px solid var(--line);background:var(--s1);color:var(--mut);font-weight:600;font-size:14px;transition:.15s}
.chip:hover{color:var(--fg)}
.chip.on{background:var(--cyan);border-color:var(--cyan);color:#04121a}
.rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 2px 24px;scrollbar-width:none;margin-inline:-2px}
.rail::-webkit-scrollbar{display:none}
.course{flex:0 0 min(320px,82vw);scroll-snap-align:start;display:flex;flex-direction:column;border:1px solid var(--line);background:var(--s1);border-radius:20px;overflow:hidden;transition:.2s}
.course:hover{border-color:rgba(0,210,254,.4);box-shadow:0 24px 50px -24px rgba(0,79,255,.7)}
.cover{position:relative;aspect-ratio:16/10;overflow:hidden;isolation:isolate}
.cover::after{content:"";position:absolute;inset:0;z-index:-1;background:repeating-linear-gradient(0deg,rgba(255,255,255,.045) 0 1px,transparent 1px 28px),repeating-linear-gradient(90deg,rgba(255,255,255,.045) 0 1px,transparent 1px 28px)}
.tag{position:absolute;left:14px;top:14px;font:500 10.5px var(--mono);letter-spacing:.12em;text-transform:uppercase;padding:5px 9px;border-radius:6px;background:rgba(10,10,10,.55);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.15)}
.glyph{position:absolute;right:-4px;bottom:-30px;font:800 170px/1 var(--display);letter-spacing:-.06em;color:rgba(255,255,255,.15);user-select:none}
.cb{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1}
.cb h3{font-size:21px;font-weight:700}
.cb p{color:var(--mut);font-size:14.5px}
.facts{display:flex;flex-wrap:wrap;gap:6px 16px;color:var(--mut);font-size:13px;margin-top:auto}
.facts span{display:inline-flex;gap:6px;align-items:center}
.facts .ic{color:var(--sky)}
.buy{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--line)}
.price{font:800 24px var(--display);letter-spacing:-.02em}
.price small{display:block;font:500 11px var(--mono);letter-spacing:.1em;color:var(--mut);text-transform:uppercase}
.note{color:var(--mut2);font-size:13px;margin-top:6px}

/* pasos / beneficios */
.alt{background:var(--s1);border-block:1px solid var(--line)}
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:44px;counter-reset:s}
.step{padding:28px;border-radius:20px;border:1px solid var(--line);background:var(--bg);display:grid;gap:12px;align-content:start}
.step::before{counter-increment:s;content:counter(s);width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:var(--blue);font:700 17px var(--display)}
.step h3{font-size:22px;font-weight:700}
.step p{color:var(--mut)}
.feat{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:36px 32px;margin-top:48px}
.feat div{display:grid;gap:10px;align-content:start}
.feat .ico{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;background:rgba(0,155,255,.14);color:var(--cyan)}
.feat h3{font-size:19px;font-weight:700}
.feat p{color:var(--mut);font-size:15px}

/* cta band */
.band{border-radius:28px;padding:clamp(36px,6vw,72px);background:radial-gradient(70% 120% at 100% 0%,rgba(0,210,254,.5),transparent 60%),radial-gradient(80% 120% at 0% 100%,#0035c4,transparent 70%),var(--blue);display:grid;gap:24px;justify-items:start;position:relative;overflow:hidden}
.band h2{font-size:clamp(32px,5vw,58px);font-weight:800;max-width:16ch}
.band p{color:#d6e6ff;max-width:48ch;font-size:18px}
.band .btn.w{background:#fff;color:#06122e;border-color:#fff}
.band .btn.w:hover{background:#e6f1ff}
.band .btn.o{background:transparent;border-color:rgba(255,255,255,.5)}
.band .btn.o:hover{background:rgba(255,255,255,.12)}

/* faq */
.faq{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:48px;align-items:start}
details{border-bottom:1px solid var(--line)}
details summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:22px 0;cursor:pointer;font:700 19px var(--display);letter-spacing:-.01em}
details summary::-webkit-details-marker{display:none}
details summary .ic{transition:.2s;color:var(--cyan)}
details[open] summary .ic{transform:rotate(45deg)}
details p{color:var(--mut);padding:0 0 22px;max-width:60ch}

footer{border-top:1px solid var(--line);padding-block:40px calc(40px + env(safe-area-inset-bottom,0px))}
footer .wrap{display:flex;flex-wrap:wrap;gap:20px 32px;align-items:center;justify-content:space-between;color:var(--mut);font-size:14px}
footer nav{display:flex;gap:22px;flex-wrap:wrap}
footer a:hover{color:var(--fg)}

.course{cursor:pointer}
.back{display:inline-flex;align-items:center;gap:8px;color:var(--mut);font-weight:500;margin:32px 0 22px}
.back:hover{color:var(--fg)}
.dgrid{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:48px;align-items:start;padding-bottom:96px}
.dmain{display:grid;gap:44px;min-width:0}
.dmain h1{font-size:clamp(36px,5vw,60px);font-weight:800;margin:16px 0}
.dcover{position:relative;border-radius:22px;aspect-ratio:21/9;overflow:hidden;isolation:isolate;border:1px solid var(--line)}
.dcover::after{content:"";position:absolute;inset:0;z-index:-1;background:repeating-linear-gradient(0deg,rgba(255,255,255,.045) 0 1px,transparent 1px 30px),repeating-linear-gradient(90deg,rgba(255,255,255,.045) 0 1px,transparent 1px 30px)}
.dcover .glyph{font-size:260px;bottom:-60px}
.dsec h2{font-size:28px;font-weight:800;margin-bottom:18px}
.goals{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:14px 28px}
.goals li{display:flex;gap:12px;align-items:flex-start}
.goals .ic{color:var(--cyan);margin-top:3px}
.dmod{border:1px solid var(--line);border-radius:16px;background:var(--s1);margin-bottom:12px;overflow:hidden}
.dmod h3{font-size:17px;font-weight:700;padding:16px 20px}
.dmod ul{list-style:none;margin:0;padding:0}
.dmod li{display:flex;align-items:center;gap:12px;padding:12px 20px;border-top:1px solid var(--line);color:#c4cddd;font-size:15px}
.dmod li .ic{color:var(--sky)}
.mini3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.mini3 div{padding:18px;border-radius:16px;border:1px solid var(--line);background:var(--s1);display:grid;gap:6px;align-content:start}
.mini3 b{font:700 16px var(--display)}
.mini3 span{color:var(--mut);font-size:14px}
.mini3 i{font:700 13px var(--mono);color:var(--cyan);font-style:normal}
.buybox{position:sticky;top:96px;border:1px solid var(--line);background:var(--s1);border-radius:22px;padding:26px;display:grid;gap:18px;box-shadow:0 30px 60px -30px rgba(0,79,255,.55)}
.buybox .price{font-size:40px}
.incl{list-style:none;padding:0;margin:0;display:grid;gap:11px;color:#c4cddd;font-size:15px}
.incl li{display:flex;gap:10px;align-items:flex-start}
.incl .ic{color:var(--cyan);margin-top:3px}
.sticky{display:none}
@media (max-width:960px){
  .hero .wrap{grid-template-columns:minmax(0,1fr)}
  .mock{max-width:520px;margin:0 auto;width:100%}
  .catgrid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps,.feat{grid-template-columns:minmax(0,1fr)}
  .faq{grid-template-columns:minmax(0,1fr);gap:24px}
  .dgrid{grid-template-columns:minmax(0,1fr);gap:32px}
  .buybox{position:static;order:-1}
  .goals,.mini3{grid-template-columns:minmax(0,1fr)}
  .links{display:none}
  .f1{left:-6px}.f2{right:-6px}
}
@media (max-width:640px){
  .nav .btn.ghost{display:none}
  .catgrid{grid-template-columns:minmax(0,1fr)}
  .cta-row .btn{flex:1 1 100%}
  .arrows{display:none}
  .sticky{display:block;position:fixed;left:0;right:0;bottom:0;z-index:25;padding:10px max(16px,env(safe-area-inset-right,0px)) calc(10px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px));background:rgba(10,10,10,.92);backdrop-filter:blur(12px);border-top:1px solid var(--line)}
  footer{padding-bottom:calc(96px + env(safe-area-inset-bottom,0px))}
  .f2{display:none}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* ===== Complementos (formularios, avisos) ===== */
.field{display:grid;gap:7px}
.field label{font-size:13.5px;font-weight:600;color:#c4cddd}
.hint{color:var(--mut);font-size:13px}
.inp{width:100%;background:var(--s1);border:1px solid var(--line);border-radius:12px;padding:14px 16px;color:var(--fg);outline:0;transition:.15s;font:inherit}
.inp:focus{border-color:var(--sky);box-shadow:0 0 0 3px rgba(0,155,255,.18)}
.co-form{display:grid;gap:20px}
.chk{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:#c4cddd}
.chk input{width:18px;height:18px;margin-top:3px;accent-color:var(--blue);flex:none}
.chk a{color:var(--cyan)}
.alert{padding:14px 18px;border-radius:12px;border:1px solid var(--line);background:var(--s2);font-weight:500}
.alert.err{border-color:rgba(255,93,108,.45);background:rgba(255,93,108,.08);color:#ffb3bb}
.alert.info{border-color:rgba(0,155,255,.4);background:rgba(0,155,255,.08);color:#a9dcff}
.alert a{color:inherit;text-decoration:underline}
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
.desc{color:#c4cddd;max-width:66ch}.desc p{margin:0 0 14px}.desc ul,.desc ol{padding-left:22px}.desc a{color:var(--cyan)}
.doc h3{font-size:24px;margin:22px 0 12px;color:var(--fg)}.doc h4{font-size:18px;margin:20px 0 8px;color:var(--fg)}.doc p{margin:0 0 14px}
.logo{width:38px;height:38px;display:block;flex:none}
@media (max-width:640px){.buybox{position:static}}

/* Banner con imagen: oculta la trama y la letra decorativa */
.has-img::after{display:none}
.has-img .glyph{display:none}