/* ============================================================
   PROMPT STUDIO · Sistema "Manifiesto"
   Brutalismo editorial · papel/tinta/lima
   Una superfamilia variable (Archivo) + mono de carácter (Space Mono)
   ============================================================ */

:root{
  /* --- tinta sobre papel --- */
  --paper:#EFEFE9;
  --paper-2:#E4E4DC;
  --ink:#0C0D0A;
  --ink-soft:#33352C;
  --mut:#5F6157;
  --lime:#C8FF1E;
  --lime-ink:#0C0D0A;

  /* superficies "maquina": oscuras en los dos temas, para que el lima siempre contraste */
  --slab-bg:#0C0D0A;
  --slab-fg:#EFEFE9;
  --slab-dim:#A8AA9E;

  --rule:3px;
  --hair:1px;

  --f-d:"Archivo","Helvetica Neue",Impact,sans-serif;
  --f-m:"Space Mono",ui-monospace,Menlo,Consolas,monospace;
}

/* inversión pura: el modo noche es el mismo cartel, del revés */
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --paper:#0C0D0A;
    --paper-2:#17180F;
    --ink:#EFEFE9;
    --ink-soft:#C9CABF;
    --mut:#8E9085;
    --slab-bg:#1A1C12;
  }
}
:root[data-theme="dark"]{
  --paper:#0C0D0A;
  --paper-2:#17180F;
  --ink:#EFEFE9;
  --ink-soft:#C9CABF;
  --mut:#8E9085;
  --slab-bg:#1A1C12;
}

*,*::before,*::after{box-sizing:border-box}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--f-d);
  font-variation-settings:"wdth" 100,"wght" 400;
  font-size:17px;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--lime);color:var(--lime-ink)}

h1,h2,h3{
  margin:0;
  overflow-wrap:break-word;
  font-family:var(--f-d);
  text-transform:uppercase;
  line-height:.92;
  letter-spacing:-.015em;
  text-wrap:balance;
}
p,ul,ol{margin:0}
a{color:inherit}

.wrap{max-width:1240px;margin-inline:auto;padding-inline:clamp(18px,4.5vw,40px)}

/* ---------- cabecera ---------- */
.site-head{
  position:sticky;top:0;z-index:60;
  background:var(--paper);
  border-bottom:var(--rule) solid var(--ink);
}
.head-inner{display:flex;align-items:center;gap:22px;height:62px}
.brand{
  display:inline-flex;align-items:center;gap:9px;text-decoration:none;color:var(--ink);
  font-variation-settings:"wdth" 112,"wght" 800;
  font-size:1.12rem;text-transform:uppercase;letter-spacing:-.01em;
}
.brand-mark{
  font-family:var(--f-m);font-weight:700;
  background:var(--lime);color:var(--lime-ink);
  width:25px;height:25px;display:grid;place-items:center;font-size:.95rem;
}
.head-nav{
  margin-left:auto;display:flex;gap:4px;
  font-family:var(--f-m);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;
}
.head-nav a{text-decoration:none;color:var(--mut);padding:6px 10px}
.head-nav a:hover,.head-nav a[aria-current]{background:var(--slab-bg);color:var(--slab-fg)}

/* ---------- cabecera de página ---------- */
.page-head{
  padding:clamp(34px,6vw,70px) 0 clamp(24px,3.5vw,38px);
  border-bottom:var(--rule) solid var(--ink);
}
.eyebrow{
  font-family:var(--f-m);font-size:.74rem;letter-spacing:.15em;text-transform:uppercase;
  color:var(--mut);margin-bottom:18px;
}
.eyebrow a{text-decoration:none;color:var(--mut)}
.eyebrow a:hover{color:var(--ink)}
h1{
  font-size:clamp(2.2rem,6.6vw,4.6rem);
  font-variation-settings:"wdth" 118,"wght" 850;
  line-height:.88;max-width:17ch;
}
@media (max-width:620px){ h1{font-variation-settings:"wdth" 96,"wght" 840} }
.lead{
  margin-top:22px;max-width:56ch;font-size:clamp(1rem,1.7vw,1.16rem);
  color:var(--ink-soft);line-height:1.55;
}
.meta{
  margin-top:22px;font-family:var(--f-m);font-size:.72rem;letter-spacing:.11em;
  text-transform:uppercase;color:var(--mut);
}

main{padding:clamp(34px,5vw,62px) 0 clamp(50px,7vw,86px)}

/* ---------- documento ---------- */
.doc{max-width:68ch;display:flex;flex-direction:column;gap:24px}
.doc h2{
  font-size:clamp(1.35rem,3.2vw,2rem);
  font-variation-settings:"wdth" 112,"wght" 800;
  margin-top:26px;padding-top:18px;border-top:var(--rule) solid var(--ink);
}
.doc h3{
  font-size:1.06rem;margin-top:10px;
  font-variation-settings:"wdth" 104,"wght" 700;
  text-transform:none;letter-spacing:-.005em;
}
.doc p,.doc li{color:var(--ink-soft)}
.doc ul,.doc ol{padding-left:0;list-style:none;display:flex;flex-direction:column;gap:11px}
.doc ul li{position:relative;padding-left:26px}
.doc ul li::before{
  content:"";position:absolute;left:0;top:.62em;width:11px;height:11px;background:var(--lime);
}
.doc ol{counter-reset:n}
.doc ol li{position:relative;padding-left:38px;counter-increment:n}
.doc ol li::before{
  content:counter(n,decimal-leading-zero);position:absolute;left:0;top:.08em;
  font-family:var(--f-m);font-size:.74rem;color:var(--mut);letter-spacing:.06em;
}
.doc strong{color:var(--ink);font-variation-settings:"wdth" 100,"wght" 700}
.doc code{
  font-family:var(--f-m);font-size:.86em;
  background:var(--slab-bg);color:var(--slab-fg);padding:1px 6px;
}

/* ---------- bloque de prompt ---------- */
.prompt{
  background:var(--slab-bg);color:var(--slab-fg);
  border:var(--rule) solid var(--ink);
  margin:2px 0;
}
.prompt-bar{
  display:flex;align-items:center;gap:10px;
  padding:9px 15px;
  background:var(--lime);color:var(--lime-ink);
  font-family:var(--f-m);font-size:.71rem;letter-spacing:.15em;text-transform:uppercase;font-weight:700;
}
.prompt-bar.bad{background:var(--paper);color:var(--ink);border-bottom:var(--hair) solid var(--mut)}
.prompt-bar.bad::before{content:"✕";margin-right:2px}
.prompt-bar.good::before{content:"✓";margin-right:2px}
.prompt pre{
  margin:0;padding:18px 15px;
  font-family:var(--f-m);font-size:.79rem;line-height:1.75;
  white-space:pre-wrap;word-break:break-word;overflow-x:auto;
}
.prompt pre .h{color:var(--lime);font-weight:700}

/* ---------- destacado ---------- */
.callout{
  background:var(--lime);color:var(--lime-ink);
  padding:20px 24px;
  border:var(--rule) solid var(--ink);
}
.callout p{color:var(--lime-ink)}
.callout strong{color:var(--lime-ink)}

/* ---------- llamada a la acción ---------- */
.cta{
  margin-top:20px;
  background:var(--slab-bg);color:var(--slab-fg);
  padding:30px 26px;
  display:flex;flex-direction:column;gap:14px;align-items:flex-start;
}
.cta h2{
  margin:0;padding:0;border:0;
  font-size:clamp(1.3rem,3vw,1.9rem);
  font-variation-settings:"wdth" 114,"wght" 800;
  color:var(--slab-fg);
}
.cta p{color:var(--slab-dim);max-width:52ch}
.cta-btn{
  display:inline-block;background:var(--lime);color:var(--lime-ink);
  text-decoration:none;padding:14px 26px;
  font-variation-settings:"wdth" 108,"wght" 800;
  font-size:1rem;text-transform:uppercase;letter-spacing:.03em;
  border:var(--hair) solid var(--lime);
}
.cta-btn:hover{background:var(--slab-fg);border-color:var(--slab-fg)}

/* ---------- relacionadas ---------- */
.related{margin-top:48px;border-top:var(--rule) solid var(--ink);padding-top:22px;max-width:68ch}
.related h2{
  font-size:.78rem;font-family:var(--f-m);letter-spacing:.14em;color:var(--mut);
  margin-bottom:16px;font-weight:400;
}
.related ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:0}
.related li{border-bottom:var(--hair) solid var(--mut)}
.related a{
  display:block;padding:14px 2px;text-decoration:none;color:var(--ink);
  font-variation-settings:"wdth" 104,"wght" 600;font-size:1.02rem;
}
.related a:hover{background:var(--lime);color:var(--lime-ink);padding-left:12px}

/* ---------- rejilla de tarjetas · invierten al pasar ---------- */
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border:var(--rule) solid var(--ink);margin-top:10px}
.card{
  background:var(--paper);
  border-right:var(--rule) solid var(--ink);
  border-bottom:var(--rule) solid var(--ink);
  padding:22px;text-decoration:none;color:var(--ink);
  display:flex;flex-direction:column;gap:9px;
}
.card:nth-child(2n){border-right:0}
.card:nth-last-child(-n+2){border-bottom:0}
.card:hover{background:var(--slab-bg);color:var(--slab-fg)}
.card:hover .tag{color:var(--lime)}
.card:hover p{color:var(--slab-dim)}
.card .tag{
  font-family:var(--f-m);font-size:.68rem;letter-spacing:.13em;text-transform:uppercase;color:var(--mut);
}
.card h2{
  font-size:1.08rem;margin:0;padding:0;border:0;
  font-variation-settings:"wdth" 106,"wght" 750;line-height:1.08;
}
.card p{font-size:.9rem;color:var(--mut);line-height:1.5}

/* ---------- tarjeta de contacto ---------- */
.mail-card{
  background:var(--slab-bg);color:var(--slab-fg);
  padding:28px 26px;display:flex;flex-direction:column;gap:10px;align-items:flex-start;
}
.mail-label{font-family:var(--f-m);font-size:.71rem;letter-spacing:.15em;text-transform:uppercase;color:var(--lime)}
.mail-addr{
  font-variation-settings:"wdth" 110,"wght" 800;
  font-size:clamp(1.1rem,3.4vw,1.75rem);text-transform:uppercase;
  text-decoration:none;color:var(--slab-fg);word-break:break-all;line-height:1;
}
.mail-addr:hover{background:var(--lime);color:var(--lime-ink)}
.mail-note{font-size:.9rem;color:var(--slab-dim)}

/* ---------- pie ---------- */
footer{
  border-top:var(--rule) solid var(--ink);
  background:var(--slab-bg);color:var(--slab-fg);
  padding:44px 0 38px;font-size:.88rem;
}
footer .brand{color:var(--slab-fg)}
.foot-inner{display:flex;flex-wrap:wrap;gap:18px 32px;align-items:baseline}
.foot-links{
  display:flex;flex-wrap:wrap;gap:6px;margin-left:auto;
  font-family:var(--f-m);font-size:.72rem;letter-spacing:.11em;text-transform:uppercase;
}
.foot-links a{text-decoration:none;color:var(--slab-dim);padding:5px 9px}
.foot-links a:hover{background:var(--lime);color:var(--lime-ink)}
.foot-fine{width:100%;font-size:.82rem;color:var(--slab-dim);line-height:1.55;max-width:88ch}

/* ---------- foco visible ---------- */
a:focus-visible,button:focus-visible,summary:focus-visible,
select:focus-visible,textarea:focus-visible,input:focus-visible{
  outline:var(--rule) solid var(--lime);outline-offset:2px;
}

/* ---------- responsive ---------- */
@media (max-width:760px){
  .head-nav{gap:0;font-size:.62rem}
  .head-nav a{padding:6px 7px}
  .grid{grid-template-columns:1fr}
  .card{border-right:0}
  .card:nth-last-child(-n+2){border-bottom:var(--rule) solid var(--ink)}
  .card:last-child{border-bottom:0}
  .foot-links{margin-left:0}
}
@media (max-width:560px){
  .head-inner{gap:12px}
  .brand{font-size:.95rem}
  .head-nav{font-size:.58rem}
  .head-nav a{padding:5px 7px}
  .mail-card{padding:22px 18px}
  .mail-addr{font-variation-settings:"wdth" 92,"wght" 800}
}
@media (max-width:430px){
  .head-nav a[href="/"]{display:none}
}
@media (max-width:380px){
  .brand{font-size:.88rem}
  .head-nav a{padding:5px 5px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}