:root{
  --negro:#111418;--negro2:#181C22;--negro3:#181C22;--blanco:#FFFFFF;--hueso:#F6F7F9;
  --gris:#5A5F69;--gris-osc:#A3A8B2;--linea:#E4E6EA;--linea-osc:#262B33;--acento:#2F6BFF;
  --tit:"Archivo",system-ui,sans-serif;--txt:"Manrope",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--blanco);color:var(--negro);font:17px/1.6 var(--txt);-webkit-font-smoothing:antialiased}
a{color:inherit}
img{max-width:100%;display:block}
.cont{max-width:1180px;margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:var(--tit);margin:0;letter-spacing:-.025em}
.eti{font:700 13px var(--txt);letter-spacing:.18em;text-transform:uppercase;color:var(--gris)}
.oscuro .eti{color:var(--gris-osc)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 24px;border-radius:999px;font:800 16px var(--txt);text-decoration:none;transition:transform .15s ease,background .15s ease}
.btn:hover{transform:translateY(-1px)}
.btn:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--acento);outline-offset:3px}
.btn.lima{background:var(--acento);color:var(--negro)}
.btn.blanco{background:var(--blanco);color:var(--negro)}
.btn.borde{border:1.5px solid currentColor;color:inherit}
.btn.negro{background:var(--negro);color:var(--blanco)}
.btn svg{width:20px;height:20px;flex:none}

/* barra */
.barra{position:sticky;top:0;z-index:20;background:rgba(10,10,10,.94);backdrop-filter:saturate(160%) blur(12px);-webkit-backdrop-filter:saturate(160%) blur(12px);color:#fff;border-bottom:1px solid #ffffff12}
.barra .cont{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none;font:800 21px var(--tit);letter-spacing:-.01em}
.logo img{width:34px;height:34px}
.menu{display:flex;align-items:center;gap:28px;font-weight:600;font-size:15px}
.menu a{text-decoration:none;opacity:.8}
.menu a:hover{opacity:1}
.menu .btn{min-height:42px;padding:0 18px;font-size:14px;opacity:1}
@media (max-width:820px){.menu a.lnk{display:none}}

/* portada */
.hero{background:var(--negro);color:#fff;overflow:hidden}
.hero .cont{padding-top:96px;padding-bottom:72px;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:56px;align-items:center}
.hero h1{font-size:clamp(42px,5.8vw,78px);line-height:.98;font-weight:900}
.hero h1 em{white-space:nowrap}
.hero h1 em{font-style:normal;color:var(--acento)}
.hero p.lead{font-size:20px;line-height:1.55;color:#CFCFCF;max-width:540px;margin:26px 0 36px}
.hero .ctas{display:flex;flex-wrap:wrap;gap:12px}
.hero .nota{margin-top:22px;font-size:14px;color:var(--gris-osc)}
.hero-arte{position:relative;padding:0 5% 56px 15%}
.tab{position:absolute;left:0;bottom:0;width:25%;background:#1b1f26;border-radius:18px;padding:7px;box-shadow:0 30px 60px -20px #000,0 0 0 1px #ffffff1f inset;z-index:2}
.tab .scr{background:#fff;border-radius:12px;aspect-ratio:3/4;overflow:hidden;display:flex;flex-direction:column}
.tab .cab{background:var(--negro);padding:7% 8%;display:flex;align-items:center;justify-content:space-between}
.tab .cab img{width:16px;height:16px}.tab .cab i{width:40%;height:5px;border-radius:3px;background:#ffffff26;display:block}
.tab .portada{margin:8%;flex:1;border-radius:6px;background:var(--negro2);padding:10%;display:flex;flex-direction:column;justify-content:flex-end;gap:6px}
.tab .portada{color:#fff;font:900 clamp(8px,1.05vw,14px)/1 var(--tit);letter-spacing:-.02em}.tab .portada span{color:var(--acento)}.tab .portada i{display:block;height:3px;margin-top:6px;background:linear-gradient(90deg,#E30613 0 20%,#F05A28 0 40%,#3a6fd8 0 60%,#2f9e7a 0 80%,#d9862b 0)}
@media (max-width:560px){.tab{border-radius:12px;padding:5px}.tab .scr{border-radius:8px}}
@media (max-width:900px){.hero .cont{grid-template-columns:minmax(0,1fr);padding-top:64px;padding-bottom:56px;gap:44px}}

/* maqueta del libro */
.laptop{background:#1A1A1A;border-radius:18px 18px 6px 6px;padding:14px 14px 18px;box-shadow:0 40px 80px -30px #000,0 0 0 1px #ffffff14 inset}
.pantalla{background:#0D0D0D;border-radius:8px;aspect-ratio:16/10;padding:5% 6%;display:flex;flex-direction:column;gap:5%}
.pantalla .top{display:flex;justify-content:space-between;align-items:center}
.pantalla .top img{width:22px;height:22px}
.pantalla .top i{display:block;height:8px;width:34%;border-radius:4px;background:#ffffff1c}
.libro{flex:1;display:grid;grid-template-columns:1fr 1fr;border-radius:4px;overflow:hidden;box-shadow:0 18px 40px -14px #000}
.pag-izq{background:var(--negro2);padding:9% 9%;display:flex;flex-direction:column;justify-content:space-between;color:#fff;position:relative}
.pag-izq .mini{font:700 7px var(--txt);letter-spacing:.2em;color:#9a9a9a}
.pag-izq h4{margin:0;font:900 clamp(14px,2.1vw,26px)/.95 var(--tit);letter-spacing:-.02em}
.pag-izq h4 span{color:var(--acento)}
.pag-izq .franja{display:flex;height:5px;gap:0}
.pag-izq .franja b{flex:1}
.pag-der{background:#fff;padding:8% 8%;display:flex;flex-direction:column;gap:6%;color:var(--negro)}
.pag-der .foto{flex:1;background:radial-gradient(circle at 50% 46%,#fff 0,#F1F1EF 70%);border-radius:4px;display:flex;align-items:center;justify-content:center}
.termo{height:72%;aspect-ratio:1/3;border-radius:10px 10px 8px 8px;background:linear-gradient(90deg,#2b2b2b,#4a4a4a 45%,#262626);position:relative;box-shadow:0 10px 14px -8px #0006}
.termo:before{content:"";position:absolute;left:8%;right:8%;top:-9%;height:11%;border-radius:4px 4px 0 0;background:#1a1a1a}
.termo:after{content:"";position:absolute;left:22%;right:22%;top:38%;height:14%;border-radius:2px;background:var(--acento)}
.pag-der .ln{height:6px;border-radius:3px;background:#E6E6E2}
.pag-der .ln.c{width:55%;background:#0A0A0A}
.pag-der .ln.m{width:80%}
.pag-der .pts{display:flex;gap:5px}
.pag-der .pts i{width:10px;height:10px;border-radius:50%;display:block}
.base{height:12px;margin:0 -5%;background:linear-gradient(#2a2a2a,#151515);border-radius:0 0 14px 14px}
.cel{position:absolute;right:0;bottom:0;width:26%;background:#111;border-radius:26px;padding:8px;box-shadow:0 30px 60px -20px #000,0 0 0 1px #ffffff1f inset}
.cel .scr{background:#fff;border-radius:19px;aspect-ratio:9/19;overflow:hidden;display:flex;flex-direction:column}
.cel .cab{background:var(--negro);padding:12% 10% 10%;display:flex;align-items:center;justify-content:space-between}
.cel .cab img{width:18px;height:18px}
.cel .cab i{width:38%;height:6px;border-radius:3px;background:#ffffff26;display:block}
.cel .lista{padding:10% 9%;display:grid;grid-template-columns:1fr 1fr;gap:8px}
.cel .lista div{aspect-ratio:1;border-radius:6px;background:#F1F1EF;display:flex;align-items:flex-end;padding:6px}
.cel .lista div b{display:block;height:4px;width:70%;border-radius:2px;background:#0A0A0A}
.cel .wa{margin:auto 9% 12%;height:22px;border-radius:999px;background:var(--acento)}
@media (max-width:560px){.cel{width:30%;right:0;bottom:0;border-radius:18px;padding:6px}.cel .scr{border-radius:13px}}

/* secciones */
section{padding:112px 0}
@media (max-width:700px){section{padding:80px 0}}
.titulo{max-width:760px;margin-bottom:56px}
.titulo h2{font-size:clamp(34px,4.4vw,56px);line-height:1.02;font-weight:900;margin-top:14px}
.titulo p{font-size:19px;color:var(--gris);margin:18px 0 0;max-width:620px}
.oscuro{background:var(--negro);color:#fff}
.oscuro .titulo p{color:#BDBDBD}
.hueso{background:var(--hueso)}

/* antes / después */
.vs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
@media (max-width:760px){.vs{grid-template-columns:minmax(0,1fr)}}
.vs .lado{border-radius:24px;padding:40px}
.vs .antes{background:#fff;border:1px solid var(--linea)}
.vs .despues{background:var(--negro);color:#fff}
.vs h3{font-size:24px;font-weight:800;margin-bottom:22px;display:flex;align-items:center;gap:12px}
.vs ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:16px}
.vs li{display:flex;gap:14px;align-items:flex-start;font-size:17px}
.vs li svg{width:22px;height:22px;flex:none;margin-top:2px}
.vs .antes li{color:#3c3c3c}
.vs .antes svg{color:#9B1C10}
.vs .despues svg{color:var(--acento)}

/* pasos */
.pasos{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;counter-reset:p}
@media (max-width:860px){.pasos{grid-template-columns:minmax(0,1fr)}}
.paso{border-top:2px solid var(--negro);padding-top:28px}
.paso .num{font:900 64px/1 var(--tit);letter-spacing:-.04em}
.paso h3{font-size:24px;font-weight:800;margin:20px 0 10px}
.paso p{margin:0;color:var(--gris)}

/* incluye */
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--linea-osc);border:1px solid var(--linea-osc);border-radius:24px;overflow:hidden}
@media (max-width:900px){.grid3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:600px){.grid3{grid-template-columns:minmax(0,1fr)}}
.ben{background:var(--negro);padding:36px 32px}
.ben svg{width:32px;height:32px;color:var(--acento)}
.ben h3{font-size:21px;font-weight:800;margin:22px 0 8px}
.ben p{margin:0;color:#B5B5B5;font-size:16px}

/* para quién */
.quien{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
@media (max-width:860px){.quien{grid-template-columns:minmax(0,1fr)}}
.quien div{background:var(--hueso);border-radius:20px;padding:30px}
.quien h3{font-size:21px;font-weight:800;margin-bottom:8px}
.quien p{margin:0;color:var(--gris);font-size:16px}

/* planes */
.planes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;align-items:stretch}
@media (max-width:980px){.planes{grid-template-columns:repeat(2,minmax(0,1fr))}.plan.pro{grid-column:1 / -1;order:-1}}
@media (max-width:640px){.planes{grid-template-columns:minmax(0,1fr)}.plan{padding:30px 24px}.fundador{border-radius:14px}.plan .tag{position:static;display:inline-block;align-self:flex-start;margin-bottom:14px}.plan.pro h3{padding-right:0}}
.precio b{font-size:clamp(46px,12vw,64px)!important}.precio{white-space:nowrap}
.plan.pro h3{padding-right:130px}
.fundador{display:inline-block;background:var(--acento);color:var(--negro);border-radius:999px;padding:10px 18px;font-size:15px;margin:-24px 0 32px}
.plan{border:1px solid var(--linea);border-radius:28px;padding:40px;display:flex;flex-direction:column}
.plan.pro{background:var(--negro);color:#fff;border-color:var(--negro);position:relative}
.plan .tag{position:absolute;top:24px;right:24px;background:var(--acento);color:var(--negro);font:800 12px var(--txt);letter-spacing:.08em;text-transform:uppercase;padding:6px 12px;border-radius:999px}
.plan h3{font-size:26px;font-weight:800}
.plan .desc{color:var(--gris);margin:6px 0 26px;font-size:16px}
.plan.pro .desc{color:#B5B5B5}
.precio{display:flex;align-items:baseline;gap:8px}
.precio b{font:900 64px/1 var(--tit);letter-spacing:-.04em}
.precio span{font-weight:700;color:var(--gris)}
.plan.pro .precio span{color:#B5B5B5}
.anual{margin:10px 0 28px;font-size:15px;color:var(--gris)}
.plan.pro .anual{color:#B5B5B5}
.anual strong{color:var(--negro)}
.plan.pro .anual strong{color:#fff}
.plan ul{list-style:none;margin:0 0 32px;padding:28px 0 0;border-top:1px solid var(--linea);display:flex;flex-direction:column;gap:12px;flex:1}
.plan.pro ul{border-color:var(--linea-osc)}
.plan li{display:flex;gap:12px;font-size:16px}
.plan li svg{width:20px;height:20px;flex:none;margin-top:3px}
.plan li.no{color:#9a9a9a}
.letra{margin-top:28px;font-size:15px;color:var(--gris);max-width:980px}

/* preguntas */
.faq{max-width:860px;border-top:1px solid var(--linea)}
.faq details{border-bottom:1px solid var(--linea)}
.faq summary{list-style:none;cursor:pointer;padding:26px 48px 26px 0;font:800 20px var(--tit);letter-spacing:-.01em;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"";position:absolute;right:6px;top:50%;width:14px;height:14px;margin-top:-10px;border-right:2.5px solid currentColor;border-bottom:2.5px solid currentColor;transform:rotate(45deg);transition:transform .2s}
.faq details[open] summary:after{transform:rotate(225deg);margin-top:-2px}
.faq details p{margin:0 0 26px;color:var(--gris);max-width:720px}

/* cierre */
.cierre{text-align:center}
.cierre img{width:72px;height:72px;margin:0 auto 32px}
.cierre h2{font-size:clamp(38px,5.6vw,72px);line-height:1;font-weight:900;max-width:880px;margin:0 auto}
.cierre p{color:#BDBDBD;font-size:19px;margin:22px auto 40px;max-width:560px}
.cierre .ctas{display:flex;justify-content:center;flex-wrap:wrap;gap:12px}
footer{background:var(--negro);color:#8a8a8a;border-top:1px solid var(--linea-osc);font-size:14px}
footer .cont{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:28px;padding-bottom:28px}
footer a{text-decoration:none;color:#cfcfcf}

/* botón flotante */
.flota{position:fixed;right:20px;bottom:20px;z-index:30;width:60px;height:60px;border-radius:50%;background:var(--acento);color:var(--negro);display:flex;align-items:center;justify-content:center;box-shadow:0 12px 30px -8px #0008}
.flota svg{width:28px;height:28px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}}
.barra{background:rgba(17,20,24,.95)}
.btn.lima,.fundador,.plan .tag,.flota{color:#FFFFFF}
.pantalla{background:var(--negro)}.laptop{background:var(--negro2)}
.oscuro .titulo p,.hero p.lead,.cierre p{color:var(--gris-osc)}

.razones{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
@media (max-width:980px){.razones{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.razones{grid-template-columns:minmax(0,1fr)}}
.razon{background:#fff;border-radius:22px;padding:30px}
.razon svg{width:30px;height:30px;color:var(--acento)}
.razon h3{font-size:21px;font-weight:800;margin:18px 0 8px}
.razon p{margin:0;color:var(--gris);font-size:16px}
.combo{margin-top:28px;background:var(--negro);color:#fff;border-radius:24px;padding:28px 32px;display:flex;flex-wrap:wrap;align-items:center;gap:18px 28px}
.combo>div:not(.mas){flex:1 1 240px;display:flex;flex-direction:column;gap:4px}
.combo b{font:800 20px var(--tit)}.combo span{color:var(--gris-osc);font-size:15px}
.combo .mas{font:900 34px var(--tit);color:var(--acento)}
@media (max-width:640px){.combo{padding:24px}.combo .mas{display:none}.combo .btn{width:100%}}
.confianza{padding:56px 0;border-top:1px solid var(--linea);border-bottom:1px solid var(--linea)}
.sellos{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
@media (max-width:980px){.sellos{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:480px){.sellos{grid-template-columns:minmax(0,1fr)}}
.sellos div{display:flex;flex-direction:column;gap:6px}
.sellos svg{width:28px;height:28px;color:var(--acento);margin-bottom:6px}
.sellos b{font:800 18px var(--tit)}.sellos span{color:var(--gris);font-size:15px}
@media (max-width:640px){.fundador{border-radius:14px}.plan .tag{position:static;display:inline-block;align-self:flex-start;margin-bottom:14px}.plan.pro h3{padding-right:0}}

.combo-btns{display:flex;flex-wrap:wrap;gap:10px}
@media (max-width:640px){.combo-btns{width:100%}.combo-btns .btn{flex:1 1 100%}}