/* ============================================================
   base.css — Reset ligero, tipografía base, accesibilidad
   ============================================================ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}

body{
  margin:0;
  font-family:var(--font-sans);
  font-size:var(--text-base);
  line-height:var(--leading-normal);
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5,p,figure,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;color:inherit}
::selection{background:var(--aw-coral);color:#fff}

/* Títulos: Satoshi, muy apretados y grandes (editorial) */
h1,h2,h3,h4{
  font-family:var(--font-display);
  line-height:var(--leading-snug);
  letter-spacing:var(--tracking-tight);
  font-weight:var(--weight-black);
  color:var(--ink);
  text-wrap:balance;
}
h1{font-size:var(--text-display);line-height:var(--leading-tight);letter-spacing:var(--tracking-tighter)}
h2{font-size:var(--text-3xl)}
h3{font-size:var(--text-2xl)}
h4{font-size:var(--text-xl);font-weight:var(--weight-bold)}
strong{font-weight:var(--weight-semibold)}

/* Foco visible (a11y) */
:focus-visible{outline:3px solid var(--aw-blue);outline-offset:2px;border-radius:6px}
:focus:not(:focus-visible){outline:none}

/* Skip link */
.skip-link{
  position:absolute;left:16px;top:-64px;z-index:200;
  background:var(--ink);color:#fff;padding:10px 16px;border-radius:var(--radius-sm);
  transition:top var(--dur-1) var(--ease);
}
.skip-link:focus{top:16px}

/* Utilidad solo-lectores */
.visually-hidden{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

/* Detalle técnico: etiqueta monoespaciada (eyebrow) */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);
  font-size:var(--text-xs);
  letter-spacing:var(--tracking-wide);
  text-transform:uppercase;
  color:var(--text-muted);
}
.eyebrow::before{
  content:"";width:10px;height:10px;border-radius:3px;
  background:var(--accent);
}

/* ---- Motion de entrada (IntersectionObserver → .is-in) ---- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity var(--dur-3) var(--ease-out),transform var(--dur-3) var(--ease-out)}
.reveal.is-in{opacity:1;transform:none}