/* BlackFrameStudio — hoja PROVISIONAL.
   Solo tokens de la paleta aprobada y una maquetación legible.
   Se sustituye por la hoja de estilos de Codex cuando entregue. */
:root{
  --pitch:#0A0A0A;--carbon:#1A1A1A;--cement:#2C2C2C;--stone:#3A3835;--stone-light:#6A6662;
  --bone:#F5F2EE;--bone-mid:#B8B4B0;--bone-dim:#6A6662;--chrome:#C0C0C0;
  --ember:#D97A3A;--ember-hi:#E8944F;--ember-glow:rgba(217,122,58,.35);
  --font-display:'Playfair Display',Georgia,serif;--font-body:'Inter',system-ui,sans-serif;--font-mono:'Space Mono','Courier New',monospace;
  --maxw:1120px;--gutter:clamp(1.25rem,4vw,3rem);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--carbon);color:var(--bone);font-family:var(--font-body);font-weight:300;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:var(--bone);text-decoration:underline;text-decoration-color:var(--stone-light);text-underline-offset:.2em}
a:hover{text-decoration-color:var(--ember)}
img,video{max-width:100%;height:auto;display:block}
.skip-link{position:absolute;left:-999px;top:0;background:var(--bone);color:var(--pitch);padding:.5rem 1rem}
.skip-link:focus{left:1rem;top:1rem;z-index:100}
.site-header{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:1.4rem var(--gutter);max-width:var(--maxw);margin:0 auto;flex-wrap:wrap}
.wordmark{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;text-decoration:none}
.site-header nav ul{list-style:none;display:flex;gap:1.6rem;flex-wrap:wrap}
.site-header nav a{font-size:.9rem;text-decoration:none;color:var(--bone-mid)}
.site-header nav a:hover{color:var(--bone)}
.breadcrumb{max-width:var(--maxw);margin:0 auto;padding:.4rem var(--gutter)}
.breadcrumb ol{list-style:none;display:flex;gap:.6rem;flex-wrap:wrap;font-family:var(--font-mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--bone-dim)}
.breadcrumb li+li::before{content:"/";margin-right:.6rem;color:var(--cement)}
.breadcrumb a{color:var(--bone-dim);text-decoration:none}
main{max-width:var(--maxw);margin:0 auto;padding:2rem var(--gutter) 5rem}
article{max-width:70ch}
h1{font-family:var(--font-display);font-weight:400;font-size:clamp(2.2rem,5vw,3.6rem);line-height:1.08;margin:1rem 0 1.4rem}
h2{font-family:var(--font-display);font-weight:400;font-size:clamp(1.5rem,3vw,2.1rem);line-height:1.15;margin:3rem 0 .9rem}
h3{font-weight:400;font-size:1.15rem;margin:2rem 0 .5rem;color:var(--bone)}
p{margin:0 0 1.1rem;color:var(--bone-mid)}
article > p:first-of-type{color:var(--bone);font-size:1.15rem}
ul,ol{margin:0 0 1.2rem 1.2rem;color:var(--bone-mid)}
li{margin:.3rem 0}
strong{font-weight:500;color:var(--bone)}
.byline{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--bone-dim);margin:-.6rem 0 1.6rem}
.btn{display:inline-block;padding:.9rem 1.8rem;border-radius:999px;background:var(--ember);color:var(--pitch);font-family:var(--font-mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;text-decoration:none;box-shadow:0 0 40px var(--ember-glow)}
.btn:hover{background:var(--ember-hi)}
.btn-ghost{display:inline-block;padding:.9rem 1.8rem;border-radius:999px;border:1px solid var(--bone);color:var(--bone);font-family:var(--font-mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;text-decoration:none}
.related{margin-top:3.5rem;padding-top:1.6rem;border-top:1px solid var(--cement)}
.related h2{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--bone-dim);margin:0 0 .8rem}
.related ul{list-style:none;margin:0}
.related li{margin:.45rem 0}
.site-footer{border-top:1px solid var(--cement);padding:2.4rem var(--gutter) 3rem;max-width:var(--maxw);margin:0 auto;font-size:.85rem;color:var(--bone-dim)}
.site-footer p{margin:.2rem 0;color:var(--bone-dim)}
.site-footer nav ul{list-style:none;display:flex;gap:1.2rem;flex-wrap:wrap;margin:.8rem 0 1.2rem}
.site-footer a{color:var(--bone-mid);text-decoration:none}
/* home provisional */
.hero{padding:5rem var(--gutter) 4rem;max-width:var(--maxw);margin:0 auto}
.hero h1{max-width:16ch;font-size:clamp(2.6rem,6vw,4.4rem)}
.hero .lead{color:var(--bone-dim);font-family:var(--font-mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;margin:0 0 2rem}
.section{max-width:var(--maxw);margin:0 auto;padding:2.5rem var(--gutter)}
.label{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--bone-dim);margin-bottom:.6rem}
.grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.card{border:1px solid var(--cement);border-radius:8px;padding:1.4rem;background:var(--pitch)}
.card h3{margin:.2rem 0 .5rem;font-family:var(--font-display);font-size:1.35rem}
.card p{font-size:.95rem}
.card .plazo{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ember)}
.card a.more{font-size:.85rem}
.faq h3{border-top:1px solid var(--cement);padding-top:1.2rem}
.band{border-top:1px solid var(--cement);border-bottom:1px solid var(--cement)}
.band .grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.small{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--bone-dim);text-align:center;margin-top:1.2rem}
/* movil */
@media(max-width:720px){
  .site-header{flex-direction:column;align-items:flex-start;gap:.9rem;padding:1.1rem var(--gutter) .9rem}
  .site-header nav{width:100%}
  .site-header nav ul{gap:.9rem 1.1rem}
  .site-header nav a{font-size:.82rem}
  .hero{padding:2.5rem var(--gutter) 3rem}
  .hero h1{font-size:clamp(2rem,9vw,2.8rem);max-width:none}
  h1{font-size:clamp(1.9rem,8vw,2.6rem)}
  h2{font-size:clamp(1.35rem,6vw,1.8rem)}
  .section{padding:2rem var(--gutter)}
  .btn,.btn-ghost{display:block;text-align:center;padding:1rem 1.2rem}
  .breadcrumb ol{font-size:.62rem}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}