:root{
  --blue:#0574f2;
  --blue-deep:#0459c2;
  --ink:#0a0a0a;
  --paper:#f2f1ea;
  --white:#fff;
  --line:rgba(10,10,10,.16);
  --radius:0;
  --font-d:"Inter Tight",Inter,system-ui,sans-serif;
  --font-b:"Inter",system-ui,sans-serif;
  --font-m:"JetBrains Mono",ui-monospace,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-b);
  font-size:17px;
  line-height:1.6;
  color:var(--ink);
  background:var(--paper);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
h1,h2,h3{font-family:var(--font-d);line-height:.95;letter-spacing:-.04em;margin:0 0 .5em}
p{margin:0 0 1em;max-width:68ch}
a{color:var(--blue-deep);text-underline-offset:3px}
a:hover{color:var(--ink)}
:focus-visible{outline:3px solid var(--blue-deep);outline-offset:3px}
.wrap{width:min(1200px,100% - 2.5rem);margin-inline:auto}
.idx{font-family:var(--font-m);font-size:.85rem;font-weight:600;color:var(--blue-deep);margin:0 0 .6em}
.idx-light{color:var(--white)}
.sec-title{font-size:clamp(2.4rem,6vw,4.8rem);font-weight:900;max-width:14ch}
.sec-lead{font-size:1.15rem;max-width:52ch}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
/* ---------- botones ---------- */
.btn{
  display:inline-block;font-family:var(--font-b);font-weight:700;font-size:1rem;
  padding:.85em 1.4em;border:3px solid var(--ink);border-radius:0;cursor:pointer;
  text-decoration:none;background:var(--white);color:var(--ink);
  box-shadow:6px 6px 0 var(--ink);
  transition:transform .15s ease,box-shadow .15s ease;
}
.btn:hover{transform:translate(-2px,-2px);box-shadow:8px 8px 0 var(--ink);color:var(--ink)}
.btn-primary{background:var(--white);color:var(--ink)}
.btn-primary:hover{color:var(--ink)}
.btn-small{padding:.5em 1em;font-size:.9rem;box-shadow:4px 4px 0 var(--ink)}
.btn-small:hover{box-shadow:6px 6px 0 var(--ink)}
.btn-ghost{background:transparent}
/* ---------- topbar ---------- */
.topbar{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  background:var(--paper);border-bottom:3px solid var(--ink);
  padding:.7rem 1.25rem;position:relative;z-index:50;
}
.topbar-brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;color:var(--ink);font-weight:700}
.topbar-brand span{font-size:.95rem}
.topbar-logo{width:132px;height:auto}
.topbar-link{font-family:var(--font-m);font-size:.85rem;font-weight:600;color:var(--ink);text-decoration:none;border-bottom:2px solid var(--blue);white-space:nowrap}
/* ---------- hero ---------- */
.hero{background:var(--blue);color:var(--white);padding:3rem 0 4rem;overflow-x:clip;overflow-y:visible}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:2.5rem;align-items:center}
.hero-home{padding-top:2.2rem}
.hero-home .hero-grid{gap:1.5rem}
.hero-home .hero-title{font-size:clamp(2.6rem,6.2vw,5.8rem);max-width:12ch}
.hero-home .kicker{background:none;color:var(--white);padding:0}
.hero-home .bear-hero{width:min(560px,94vw);margin-bottom:-7rem}
.kicker{
  display:inline-block;font-family:var(--font-m);font-size:.85rem;font-weight:600;
  background:var(--ink);color:var(--white);padding:.35em .9em;margin:0 0 1rem;
}
.hero-title{font-size:clamp(2.9rem,9vw,8.5rem);font-weight:900;color:var(--white);max-width:10ch}
.hero-title em{font-style:normal;-webkit-text-stroke:2px var(--white);color:transparent}
.hero-tagline{font-size:clamp(1.25rem,2.4vw,1.7rem);font-weight:600;color:var(--white);max-width:30ch}
.hero-meta{display:block;font-family:var(--font-m);font-size:.8rem;color:var(--white);margin:.6rem 0 0;max-width:none}
.hero-actions{display:flex;align-items:center;gap:1.2rem;flex-wrap:wrap;margin-top:1.4rem}
.hero-bear{display:flex;justify-content:center}
.bear{height:auto}
.bear-hero{width:min(430px,86vw)}
/* ---------- globo ---------- */
.bubble{
  position:relative;background:var(--white);color:var(--ink);
  border:3px solid var(--ink);padding:1rem 1.3rem;max-width:34ch;
  font-size:1.05rem;margin:1.4rem 0;box-shadow:6px 6px 0 var(--ink);
}
.bubble p{margin:0;max-width:none}
.bubble strong{color:var(--ink)}
.bubble-tail{
  position:absolute;left:2.4rem;bottom:-14px;width:20px;height:20px;
  background:var(--white);border-right:3px solid var(--ink);border-bottom:3px solid var(--ink);
}
@media(min-width:901px){
  .hero .bubble{margin-left:auto;margin-right:-3.5rem;max-width:32ch;z-index:2}
  .hero .bubble-tail{left:auto;right:-14px;top:1.8rem;bottom:auto;border-bottom:0;border-top:3px solid var(--ink)}
}
/* ---------- osos ---------- */
.bear-card{width:100%;max-width:300px;margin:0 auto}
.bear-sec{width:100%;max-width:330px;min-width:0}
/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .3s ease,transform .3s ease}
.reveal.in{opacity:1;transform:none}
/* ---------- anatomia ---------- */
.anatomy{background:var(--paper);padding:4.5rem 0}
.base-strip{display:grid;grid-template-columns:auto 1fr 1fr;gap:.8rem;align-items:stretch;margin:0 0 1.6rem;max-width:none}
.base-label{align-self:center;font-family:var(--font-d);font-weight:800;font-size:1.2rem;max-width:16ch}
.mock{position:relative;border:3px solid var(--ink);background:var(--white);box-shadow:8px 8px 0 var(--ink)}
.mock-bar{display:flex;align-items:center;gap:.45rem;background:var(--paper);border-bottom:3px solid var(--ink);padding:.55rem .9rem}
.mock-dot{width:.7rem;height:.7rem;border-radius:50%;border:2px solid var(--ink);flex:none}
.mock-url{font-family:var(--font-m);font-size:.75rem;background:var(--white);border:2px solid var(--ink);padding:.15em .8em;margin-left:.5rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mock-bear{display:none}
@media(min-width:901px){.mock-bear{display:block;position:absolute;top:-4.5rem;right:1.5rem;width:150px;z-index:2}}
.mock-top{display:grid;grid-template-columns:1.05fr .95fr}
.mock-gallery{display:grid;gap:0;border-right:3px solid var(--ink);align-content:start}
.mock-photo{display:flex;align-items:center;justify-content:center;min-height:220px;background:var(--paper);border-bottom:3px solid var(--ink);font-family:var(--font-m);font-size:.85rem;font-weight:600}
.mock-thumbs{display:grid;grid-template-columns:repeat(5,1fr);border-bottom:3px solid var(--ink)}
.mock-thumb{display:flex;align-items:center;justify-content:center;padding:.9rem .2rem;font-family:var(--font-m);font-size:.72rem;font-weight:600;border-left:2px solid var(--ink)}
.mock-thumb:first-child{border-left:0}
.mock-buy{display:grid;gap:0;align-content:start}
.mock-buy .zone,.mock-buy .is-native{border-bottom:3px solid var(--ink)}
.mock-buy>:last-child{border-bottom:0}
.mock-top + .zone{border-top:3px solid var(--ink)}
.landing-bands{display:flex;flex-wrap:wrap;gap:.55rem;margin-top:.7rem}
.landing-band{font-family:var(--font-m);font-size:.75rem;font-weight:600;background:var(--paper);border:2px solid var(--ink);padding:.3em .8em}
.zone{
  display:flex;flex-direction:column;gap:.25rem;justify-content:center;
  padding:1.2rem 1.3rem;text-decoration:none;color:var(--ink);background:var(--white);
  transition:background .15s ease;
}
a.zone:hover,a.zone:focus-visible{background:var(--blue);color:var(--white)}
a.zone:hover .zone-num,a.zone:focus-visible .zone-num,
a.zone:hover .zone-desc,a.zone:focus-visible .zone-desc{color:var(--white)}
a.zone:hover .zone-fork,a.zone:focus-visible .zone-fork{color:var(--white);border-color:var(--white)}
.zone-num{font-family:var(--font-m);font-weight:600;color:var(--blue-deep);font-size:1rem}
.zone-name{font-family:var(--font-d);font-weight:800;font-size:1.35rem;letter-spacing:-.02em}
.zone-desc{font-size:.92rem;color:rgba(10,10,10,.72)}
.zone-fork{font-family:var(--font-m);font-size:.75rem;border:2px dashed var(--ink);padding:.2em .6em;margin-top:.5rem;width:fit-content}
.zone-tag{font-family:var(--font-m);font-size:.72rem;font-weight:600;width:fit-content;background:var(--ink);color:var(--white);padding:.2em .7em}
.is-native{background:repeating-linear-gradient(-45deg,var(--white),var(--white) 10px,#f6f4ee 10px,#f6f4ee 20px)}
/* ---------- ruta ---------- */
.route{background:var(--paper);padding:4.5rem 0;border-top:3px solid var(--ink)}
.stages-mini{list-style:none;margin:0 0 3rem;padding:0;display:grid;gap:.6rem}
.stages-mini a{font-family:var(--font-m);font-size:.95rem;color:var(--ink);text-decoration:none;border-bottom:2px solid var(--blue)}
.stage{margin-bottom:3.5rem}
.stage-title{font-size:clamp(1.9rem,4vw,3rem);font-weight:900}
.stage-summary{font-size:1.1rem}
.fork{border:3px solid var(--ink);background:var(--white);padding:1.1rem 1.3rem;margin:0 0 1.6rem;max-width:70ch}
.fork p{margin:0 0 .5em}
.fork p:last-child{margin-bottom:0}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:1.6rem}
.card{background:var(--white);border:3px solid var(--ink);box-shadow:6px 6px 0 var(--ink);padding:1.4rem;transition:transform .15s ease,box-shadow .15s ease}
.card:hover{transform:translate(-2px,-2px);box-shadow:8px 8px 0 var(--ink)}
.card-title{font-size:1.6rem;font-weight:800}
.card-title a{color:var(--ink);text-decoration:none}
.card-title a:hover{color:var(--blue-deep)}
.card-tagline{font-weight:500}
.card-when{font-size:.95rem}
.card-count{font-family:var(--font-m);font-size:.8rem;font-weight:600}
.done{display:inline-flex;align-items:center;gap:.55rem;font-weight:700;cursor:pointer;border:2px dashed var(--ink);padding:.35em .8em}
.done input{width:1.25rem;height:1.25rem;accent-color:var(--blue)}
.done-light{background:var(--white);color:var(--ink);border:3px solid var(--ink);box-shadow:4px 4px 0 var(--ink)}
.done-light input{accent-color:var(--ink)}
/* ---------- marca / regla ---------- */
.brand-panel{background:var(--paper);padding:4.5rem 0;border-top:3px solid var(--ink)}
.brand-grid{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;align-items:start}
.brand-form{background:var(--white);border:3px solid var(--ink);box-shadow:6px 6px 0 var(--ink);padding:1.6rem}
.field-row{margin-bottom:1.1rem}
.field-row label{display:block;font-weight:700;margin-bottom:.35rem}
.field-row input{
  width:100%;font:inherit;padding:.7em .9em;border:3px solid var(--ink);
  background:var(--paper);color:var(--ink);border-radius:0;
}
.form-note{font-size:.9rem}
.rule-panel{background:var(--ink);color:var(--white);padding:4rem 0}
.rule-text{font-family:var(--font-d);font-weight:900;letter-spacing:-.03em;font-size:clamp(1.7rem,4.5vw,3.4rem);line-height:1.05;max-width:22ch;margin:0}
/* ---------- footer ---------- */
.footer{background:var(--paper);border-top:3px solid var(--ink);padding:2.5rem 0}
.footer-grid{display:flex;justify-content:space-between;align-items:center;gap:1.5rem;flex-wrap:wrap}
.footer-lockup{width:190px;height:auto;margin-bottom:.6rem}
.footer-nav{display:flex;gap:1.4rem}
.footer-nav a{color:var(--ink);font-weight:600}
/* ---------- ficha ---------- */
.ficha{background:var(--paper);padding:3rem 0;border-bottom:3px solid var(--ink)}
.ficha-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:2.5rem;align-items:start}
.ficha-list{margin:0;display:grid;gap:1.1rem}
.ficha-list>div{border-top:3px solid var(--ink);padding-top:.7rem}
.ficha-list dt{font-family:var(--font-m);font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;margin-bottom:.3rem}
.ficha-list dd{margin:0}
.ficha-attach{margin:.2rem 0 0;padding-left:1.2rem}
.ficha-side{display:grid;gap:1.2rem;align-content:start}
.ficha-fork{margin:0;background:var(--blue);padding:1rem 1.2rem}
.ficha-fork a{color:var(--white);font-weight:700}
.ficha-fill{background:var(--white);border:3px solid var(--ink);padding:1.2rem}
/* ---------- toc ---------- */
.prompt-layout{display:grid;grid-template-columns:minmax(0,1fr) 230px;gap:2.5rem;align-items:start}
.prompt-body{min-width:0}
.toc{display:none}
@media(min-width:1100px){
  .toc{
    display:block;position:sticky;top:1rem;
    background:var(--paper);border:3px solid var(--ink);padding:1rem;
    max-height:calc(100vh - 2rem);overflow:auto;
  }
}
.toc-title{font-family:var(--font-m);font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;margin:0 0 .5rem}
@media(max-width:1099.98px){.prompt-layout{grid-template-columns:minmax(0,1fr)}}
.toc-list{list-style:none;margin:0;padding:0;display:grid;gap:.15rem}
.toc-list a{
  display:block;font-family:var(--font-m);font-size:.74rem;color:var(--ink);
  text-decoration:none;padding:.3em .5em;border-left:4px solid transparent;
}
.toc-list a:hover{color:var(--blue-deep)}
.toc-list a.is-active{font-weight:600;border-left-color:var(--blue);background:var(--white)}
.toc-mobile{position:sticky;top:0;z-index:40;background:var(--ink);color:var(--white)}
.toc-mobile summary{cursor:pointer;font-weight:700;padding:.9rem 1.25rem;list-style:none}
.toc-mobile summary::-webkit-details-marker{display:none}
.toc-mobile nav{padding:0 1.25rem 1rem}
.toc-mobile .toc-list a{color:var(--white)}
.toc-mobile .toc-list a.is-active{background:rgba(255,255,255,.14)}
@media(min-width:1100px){.toc-mobile{display:none}}
/* ---------- secciones ---------- */
.psec{background:var(--paper);padding:4rem 0;border-top:3px solid var(--ink)}
.psec:first-child{border-top:0}
.psec-grid{display:grid;grid-template-columns:minmax(240px,340px) 1fr;gap:2.5rem;align-items:start}
.psec-grid:has(.bear-right){grid-template-columns:1fr minmax(240px,340px)}
.psec-bear{position:sticky;top:5.5rem}
.psec-bear.bear-right{order:2}
.psec-bear .bear{width:100%}
.psec-title{font-size:clamp(2rem,5vw,3.6rem);font-weight:900;max-width:16ch}
.psec-actions{margin:0 0 1.2rem}
.band-blue{background:var(--blue)}
.band-ink{background:var(--ink)}
.band-blue .psec-main,.band-ink .psec-main{background:var(--paper);border:3px solid var(--ink);padding:clamp(1.2rem,3vw,2.4rem)}
.band-blue .idx{color:var(--blue-deep)}
.band-ink .idx{color:var(--blue-deep)}
/* ---------- cuerpo del prompt ---------- */
.psec-body{font-size:1.06rem}
.decl{font-family:var(--font-d);font-weight:900;letter-spacing:-.03em;font-size:clamp(1.5rem,3.2vw,2.4rem);line-height:1.05;margin:1.2em 0 .6em}
.sub{font-size:clamp(1.4rem,3vw,2rem);font-weight:800;border-top:3px solid var(--ink);padding-top:.6em;margin-top:2em}
.sub.chapter{background:var(--ink);color:var(--white);padding:.5em .7em;border-top:0}
.chips{list-style:none;margin:0 0 1.4em;padding:.9em 0;display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.chips li{font-weight:600;font-size:.98rem;padding:.45em .8em;border-left:1px solid var(--line)}
.chips li:first-child{border-left:0}
.bullets{list-style:none;margin:0 0 1.2em;padding:0;display:grid;gap:.55em}
.bullets li{padding-left:1.4em;position:relative}
.bullets li::before{content:"";position:absolute;left:0;top:.5em;width:.62em;height:.62em;background:var(--blue)}
.steps{list-style:none;counter-reset:step;margin:0 0 1.2em;padding:0;display:grid;gap:.7em}
.steps li{counter-increment:step;padding-left:3em;position:relative}
.steps li::before{
  content:counter(step,decimal-leading-zero);position:absolute;left:0;top:.15em;
  font-family:var(--font-m);font-weight:600;font-size:.85em;color:var(--blue-deep);
}
.psec-body code{font-family:var(--font-m);font-size:.88em;background:rgba(10,10,10,.09);padding:.1em .35em;overflow-wrap:anywhere}
.field{background:var(--white);border:2px solid var(--ink);padding:0 .3em;font-weight:700;white-space:nowrap}
.field.is-filled{background:var(--ink);color:var(--white)}
/* ---------- prev/next + sticky ---------- */
.prevnext-row{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem;padding:0 0 4rem}
.prevnext{
  display:flex;flex-direction:column;gap:.3rem;background:var(--white);color:var(--ink);
  border:3px solid var(--ink);box-shadow:6px 6px 0 var(--ink);padding:1.2rem 1.4rem;
  font-family:var(--font-d);font-weight:800;font-size:1.3rem;text-decoration:none;
}
.prevnext:hover{transform:translate(-2px,-2px);box-shadow:8px 8px 0 var(--ink);color:var(--ink)}
.prevnext.is-empty{visibility:hidden}
.stickybar{
  position:fixed;left:0;right:0;bottom:0;z-index:60;background:var(--ink);color:var(--white);
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:.7rem 1.25rem;transform:translateY(110%);transition:transform .2s ease;
}
.stickybar.is-visible{transform:none}
.stickybar[hidden]{display:none}
.field.is-filled{white-space:normal;overflow-wrap:anywhere}
.ficha-fork{font-size:1.2rem}
.stickybar-name{font-family:var(--font-d);font-weight:800;font-size:1.05rem}
/* ---------- responsive ---------- */
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr}
  .hero-bear{order:2}
  .bear-hero{width:min(330px,80vw)}
  .brand-grid,.ficha-grid{grid-template-columns:1fr}
  .psec-grid,.psec-grid:has(.bear-right){grid-template-columns:1fr}
  .psec-bear{position:static;max-width:240px}
  .psec-bear.bear-right{order:0}
  .bear-sec{max-width:300px;min-width:0}
  .hero-home .bear-hero{margin-bottom:-4rem}
  .base-strip{grid-template-columns:1fr}
  .base-label{max-width:none}
  .mock-top{grid-template-columns:1fr}
  .mock-gallery{border-right:0;border-bottom:3px solid var(--ink)}
  .chips{grid-template-columns:repeat(2,1fr)}
  .prevnext-row{grid-template-columns:1fr}
  .prevnext.is-empty{display:none}
}
@media(max-width:700px){
  .topbar-brand-text{display:none}
}
@media(max-width:480px){
  .chips{grid-template-columns:1fr}
  .chips li{border-left:0;border-top:1px solid var(--line)}
  .chips li:first-child{border-top:0}
  .stickybar-name{font-size:.9rem}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1!important;transform:none!important}
}