/* ═══════════════════════════════════════════
   BASE — Reset, body, layout global
   Requiere tokens.css
   ═══════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html.no-transition *, html.no-transition *::before, html.no-transition *::after { transition: none !important; }

html { scroll-behavior: smooth; font-size: 22px; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  overflow-x: hidden;
  min-height: 100vh;
  transition: background .3s, color .3s;
}

/* Cuadrícula de fondo */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: var(--grid-cell) var(--grid-cell);
  pointer-events: none;
  z-index: 0;
}

/* Textura noise */
body::after {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
  background-size: 300px 300px;
  pointer-events: none;
  z-index: 0;
  opacity: .5;
}
[data-mode="light"] body::after { opacity: .18; }

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--wrap-pad);
  position: relative;
  z-index: 1;
}

/* Reveal al scroll */
.r { opacity: 0; transform: translateY(14px); transition: opacity .5s ease, transform .5s ease; }
.r.in { opacity: 1; transform: none; }