@font-face{font-family:"Archivo Black";src:url(../assets/fonts/archivo-black-latin-400-normal.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Inter";src:url(../assets/fonts/inter-latin-wght-normal.woff2) format("woff2");font-weight:100 900;font-display:swap}
@font-face{font-family:"Instrument Serif";src:url(../assets/fonts/instrument-serif-latin-400-italic.woff2) format("woff2");font-weight:400;font-style:italic;font-display:swap}

:root{
  --crema:#F4F1EA; --crema-2:#EAE5D8; --grafito:#16181D; --grafito-2:#20232A;
  --ember:#FF4B2B; --ember-deep:#C73A1E; --ink-soft:#5B5E68; --paper-soft:#B9B7B0;
  --f-display:"Archivo Black","Arial Black",Impact,sans-serif;
  --f-body:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-serif:"Instrument Serif",Georgia,serif;
  --rail:20px; --padl:56px; --padr:20px;
  --ease:cubic-bezier(.2,.8,.2,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:auto}
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
.lenis.lenis-stopped{overflow:hidden}
body{background:var(--crema);color:var(--grafito);font-family:var(--f-body);font-size:1.0625rem;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body::after{content:"";position:fixed;inset:0;background:url(../assets/grain.png);opacity:.05;pointer-events:none;z-index:90}
img{max-width:100%;display:block}
a{color:inherit}
.skip{position:fixed;left:12px;top:-60px;background:var(--grafito);color:var(--crema);padding:10px 16px;border-radius:8px;z-index:200;transition:top .2s}
.skip:focus{top:12px}
:focus-visible{outline:3px solid var(--ember-deep);outline-offset:3px;border-radius:4px}
.dark :focus-visible{outline-color:var(--ember)}

/* ——— Header ——— */
.top{position:fixed;inset:0 0 auto 0;z-index:80;display:flex;justify-content:space-between;align-items:center;padding:14px max(var(--padr),calc((100vw - 1180px)/2 + var(--padr))) 14px max(var(--padl),calc((100vw - 1180px)/2 + var(--padl)));pointer-events:none}
.top>*{pointer-events:auto}
.brand{font-family:var(--f-display);font-size:1.15rem;letter-spacing:.14em;text-decoration:none;display:inline-flex;align-items:center;color:var(--grafito)}
.brand__j{color:var(--ember-deep)}
.top{transition:background .3s}
.top.is-stuck{background:rgba(244,241,234,.94);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.top.is-stuck.on-dark{background:rgba(22,24,29,.94)}
.top .brand{transition:color .3s}
.top.on-dark .brand{color:var(--crema)}
.top.on-dark .brand__j{color:var(--ember)}
.top__cta{opacity:0;transform:translateY(-8px);pointer-events:none}
.top.is-on .top__cta{opacity:1;transform:none;pointer-events:auto}

/* ——— Botones ——— */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.7em;background:var(--ember);color:var(--grafito);font-family:var(--f-body);font-weight:800;font-size:1.05rem;line-height:1.2;text-decoration:none;padding:1.05em 1.7em;border-radius:999px;border:2px solid var(--grafito);box-shadow:0 6px 0 var(--grafito);transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s,opacity .3s;will-change:transform;position:relative;cursor:pointer}
.btn:hover{box-shadow:0 9px 0 var(--grafito);background:#ff5c3f}
.btn:active{box-shadow:0 2px 0 var(--grafito);transform:translateY(4px)}
.btn svg{flex:none;transition:transform .3s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn--sm{font-size:.95rem;padding:.7em 1.25em;box-shadow:0 4px 0 var(--grafito)}
.btn--ghost{background:transparent;color:var(--crema);border-color:var(--crema);box-shadow:none}
.btn--ghost:hover{background:var(--crema);color:var(--grafito);box-shadow:none}
.dark .btn{border-color:var(--crema);box-shadow:0 6px 0 var(--crema)}
.dark .btn--ghost{box-shadow:none}
.dark .btn:hover:not(.btn--ghost){box-shadow:0 9px 0 var(--crema)}

/* ——— Estructura ——— */
.page{position:relative;overflow-x:clip}
.line{position:absolute;left:0;top:0;width:100%;height:100%;z-index:1;pointer-events:none;overflow:visible}
.sec{position:relative;padding-block:clamp(88px,12vw,168px)}
.wrap{position:relative;z-index:2;max-width:1180px;margin-inline:auto;padding-inline:var(--padl) var(--padr)}
.wrap--narrow{max-width:860px}
.dark{background:var(--grafito);color:var(--crema)}
.h2{font-family:var(--f-display);font-weight:400;font-size:clamp(2rem,5.2vw,4.1rem);line-height:1.02;letter-spacing:-.015em;text-wrap:balance;margin-bottom:clamp(28px,4vw,52px)}
.h3{font-family:var(--f-display);font-weight:400;font-size:1.25rem;letter-spacing:-.005em;margin-bottom:14px}
.micro{font-size:.9rem;color:var(--ink-soft);margin-top:18px;max-width:46ch}
.micro--d{color:var(--paper-soft)}

/* ——— Hero ——— */
.hero{padding-top:clamp(110px,16vw,170px);padding-bottom:clamp(60px,8vw,110px);min-height:100svh;display:flex}
.hero>.wrap{width:100%}
.hero__grid{display:grid;gap:40px;align-items:center}
.hero__h1{font-family:var(--f-display);font-weight:400;letter-spacing:-.025em;line-height:.96;font-size:clamp(2.6rem,9.6vw,6.9rem);text-wrap:balance}
.hero__h1>span{display:block}
.h1b{font-family:var(--f-serif);font-style:italic;font-size:1.06em;letter-spacing:-.01em;line-height:1;margin-top:.12em;color:var(--ember-deep)}
.hero__sub{font-size:clamp(1.05rem,2.2vw,1.3rem);max-width:34em;margin-top:clamp(22px,3vw,34px);color:#33363E}
.hero__actions{margin-top:clamp(26px,3.5vw,40px)}
.hero__tangle{min-height:40svh;margin-top:34px}

/* ——— Marquee ——— */
.marquee{position:relative;z-index:2;background:var(--grafito);color:var(--crema);overflow:hidden;padding:20px 0;border-radius:28px 28px 0 0;margin-top:-28px}
.marquee__track{display:flex;width:max-content;align-items:center;gap:clamp(22px,3vw,44px);animation:mq 38s linear infinite;font-family:var(--f-display);font-size:clamp(1.15rem,2.4vw,1.8rem);white-space:nowrap}
.marquee__track i{width:10px;height:10px;border-radius:50%;background:var(--ember);flex:none}
@keyframes mq{to{transform:translateX(-50%)}}

/* ——— Problema ——— */
.problem{padding-top:clamp(96px,12vw,170px)}
.lit{font-size:clamp(1.25rem,2.9vw,2rem);line-height:1.4;font-weight:600;letter-spacing:-.01em;max-width:30em}
.lit--2{margin-top:1.4em}
.js .lw{opacity:.18;transition:none}
.reveal-all .lw{opacity:1!important}

/* ——— Guía ——— */
.dark.guide{border-radius:32px 32px 0 0;margin-top:-1px}
.guide__body{max-width:40em}
.guide__body p+p{margin-top:1.1em}
.serif-lead{font-family:var(--f-serif);font-style:italic;font-size:clamp(1.7rem,4vw,2.7rem);line-height:1.15;color:var(--crema)}
.guide__body p{color:#DAD7CF}
.guide__body .serif-lead{color:var(--crema)}
.guide__sign{font-weight:800;color:var(--crema)!important;font-size:1.15rem}
.guide .acc{margin-top:34px;border-color:#3A3E48}
.guide .acc summary{color:var(--crema)}
.story{padding-block:6px 22px;color:#DAD7CF}
.story p+p{margin-top:1em}

/* ——— Acordeón ——— */
.acc{border-top:1.5px solid var(--grafito)}
.acc:last-child{border-bottom:1.5px solid var(--grafito)}
.acc summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:22px 0;font-weight:700;font-size:clamp(1.05rem,2vw,1.3rem);line-height:1.35;cursor:pointer}
.acc summary::-webkit-details-marker{display:none}
.acc summary svg{flex:none;transition:transform .4s var(--ease)}
.acc[open] summary svg{transform:rotate(135deg)}
.acc__body{overflow:hidden}
.acc__inner{padding-bottom:24px;max-width:46em}
.guide .acc{border-bottom:1.5px solid #3A3E48}

/* ——— Plan (tarjetas apiladas) ——— */
.plan{background:var(--crema-2)}
.plan__title{margin-bottom:clamp(30px,5vw,60px)}
.plan__stack{display:block}
.pcard{position:sticky;top:calc(84px + var(--i)*18px);margin-bottom:28px}
.pcard__in{background:var(--crema);border:2px solid var(--grafito);border-radius:26px;padding:clamp(26px,4vw,52px);box-shadow:0 8px 0 var(--grafito);transform-origin:50% 0;max-width:820px}
.pcard__n{display:grid;place-items:center;width:46px;height:46px;border-radius:50%;background:var(--ember);color:var(--grafito);border:2px solid var(--grafito);font-family:var(--f-display);font-size:1.2rem;margin-bottom:16px}
.pcard h3{font-family:var(--f-display);font-weight:400;font-size:clamp(1.6rem,3.6vw,2.6rem);line-height:1.05;margin-bottom:12px}
.pcard p{max-width:40em}
.pcard__ref{margin-top:16px;font-weight:700;color:var(--ember-deep)}

/* ——— Incluye ——— */
.incl{border-radius:32px 32px 0 0;margin-top:-32px;padding-top:calc(clamp(88px,12vw,168px) + 32px)}
.incl__grid{display:grid;gap:44px;align-items:start}
.incl__book{display:flex;justify-content:center;perspective:1100px}
.book{width:min(72%,340px);will-change:transform;transform-style:preserve-3d}
.book img{width:100%;height:auto;filter:drop-shadow(0 30px 40px rgba(0,0,0,.5))}
.stats{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:18px 24px;margin-bottom:clamp(28px,4vw,48px)}
.stats li{border-top:1.5px solid #3A3E48;padding-top:12px}
.stats b{display:block;font-family:var(--f-display);font-weight:400;font-size:clamp(2.4rem,6vw,4rem);line-height:1;color:var(--ember)}
.stats span{color:var(--paper-soft);font-size:.95rem}
.lists{display:grid;gap:30px}
.toc{padding-left:1.4em;color:#DAD7CF}
.toc li{padding:7px 0;border-bottom:1px solid #2C3038}
.toc--b{list-style:none;padding-left:0}
.toc--b li{position:relative;padding-left:1.4em}
.toc--b li::before{content:"";position:absolute;left:0;top:1.1em;width:.6em;height:.6em;border-radius:50%;background:var(--ember)}
.toc li::marker{color:var(--ember);font-weight:800}
.free{margin-top:clamp(30px,4vw,48px);padding:24px;border:1.5px solid #3A3E48;border-radius:22px;display:grid;gap:16px;justify-items:start}
.free__t{font-weight:600;font-size:1.1rem;max-width:30em}

/* ——— Garantía ——— */
.guar__p{font-size:clamp(1.2rem,2.6vw,1.7rem);line-height:1.4;font-weight:600;max-width:28em}
.seal{display:inline-flex;align-items:center;gap:12px;margin-top:30px;padding:14px 22px;border:2px dashed var(--grafito);border-radius:999px;font-weight:700}

/* ——— FAQ ——— */
.faq{background:var(--crema)}

/* ——— CTA final ——— */
.dark.final{border-radius:32px 32px 0 0;padding-block:clamp(110px,16vw,230px)}
.final__wrap{display:flex;flex-direction:column;align-items:center;text-align:center}
.final__h{font-family:var(--f-display);font-weight:400;font-size:clamp(2.3rem,7vw,5.6rem);line-height:.98;letter-spacing:-.02em;max-width:13em;text-wrap:balance}
.final__p{margin-top:24px;max-width:32em;color:#DAD7CF;font-size:1.15rem}
.btn--final{margin-top:clamp(36px,5vw,56px);font-size:clamp(1.05rem,2vw,1.3rem);padding:1.2em 2.1em;max-width:100%;text-align:left}
.btn--final.is-lit{animation:ignite 2.4s ease-in-out infinite}
@keyframes ignite{0%,100%{box-shadow:0 6px 0 var(--crema),0 0 0 0 rgba(255,75,43,.55)}50%{box-shadow:0 6px 0 var(--crema),0 0 0 18px rgba(255,75,43,0)}}

/* ——— Footer ——— */
.foot{padding:48px 0 calc(48px + 76px);border-top:1px solid #2C3038}
.foot__wrap{display:grid;gap:18px}
.foot__brand{font-family:var(--f-display);letter-spacing:.14em}
.foot__legal{font-size:.85rem;color:var(--paper-soft);max-width:60ch}
.foot__nav{display:flex;gap:22px;flex-wrap:wrap}
.foot__nav a{font-size:.9rem;color:var(--paper-soft)}
.foot__copy{font-size:.8rem;color:#8A8D96}

/* ——— Barra móvil ——— */
.buybar{position:fixed;left:0;right:0;bottom:0;z-index:85;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px var(--padr) calc(12px + env(safe-area-inset-bottom)) var(--padl);background:var(--crema);border-top:2px solid var(--grafito);transform:translateY(110%);transition:transform .45s var(--ease)}
.buybar.is-on{transform:none}
.buybar__t{display:flex;flex-direction:column;line-height:1.15}
.buybar__t b{font-family:var(--f-display);font-weight:400;font-size:1.4rem}
.buybar__t span{font-size:.78rem;color:var(--ink-soft)}

/* ——— Cursor ——— */
.cursor{position:fixed;left:0;top:0;width:38px;height:38px;margin:-19px 0 0 -19px;border:2px solid var(--ember);border-radius:50%;pointer-events:none;z-index:120;opacity:0;transition:width .25s,height .25s,margin .25s,background .25s,opacity .3s}
.cursor.is-on{opacity:1}
.cursor.is-big{width:68px;height:68px;margin:-34px 0 0 -34px;background:rgba(255,75,43,.14)}
@media (pointer:coarse),(hover:none){.cursor{display:none}}

/* ——— Animación de entrada (solo con JS) ——— */
.w{display:inline-block;overflow:hidden;vertical-align:top;padding:.08em .04em .16em;margin:-.08em -.04em -.16em}
.wi{display:inline-block;will-change:transform}
.js .wi{transform:translateY(112%)}
.js .fade-in{opacity:0;transform:translateY(18px)}
.reveal-all .wi{transform:none!important}
.reveal-all .fade-in{opacity:1!important;transform:none!important}

/* ——— Escritorio ——— */
@media (min-width:900px){
  :root{--rail:28px;--padl:64px;--padr:48px}
  .hero__grid{grid-template-columns:1.12fr .88fr}
  .hero__tangle{min-height:64svh;margin-top:0}
  .incl__grid{grid-template-columns:.8fr 1.2fr;gap:72px}
  .incl__book{position:sticky;top:110px}
  .lists{grid-template-columns:1fr 1fr;gap:44px}
  .free{grid-template-columns:1fr auto;align-items:center;justify-items:start}
  .stats{grid-template-columns:repeat(4,1fr)}
  .buybar{display:none}
  .foot{padding-bottom:48px}
  .foot__wrap{grid-template-columns:1fr auto;align-items:start}
  .foot__legal{grid-column:1}
  .foot__nav{grid-column:2;grid-row:1/3;justify-content:flex-end}
  .foot__copy{grid-column:1/3}
}
@media (min-width:1280px){:root{--padl:24px;--padr:24px}}
@media (max-width:899px){
  .top__cta{display:none}
  .hero__tangle{order:3}
}

/* ——— Movimiento reducido ——— */
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .js .wi{transform:none}.js .fade-in{opacity:1;transform:none}.js .lw{opacity:1}
}
.foot__copy a{color:var(--paper-soft)}