/* Reset, tipografía base y sistema de espaciado en múltiplos de 4px.
   [RW | 2026-07-24] Motivo: Prompt 08.5 de plan/PlanInicial.md. */

:root {
  --esp-1: 4px;
  --esp-2: 8px;
  --esp-3: 12px;
  --esp-4: 16px;
  --esp-5: 20px;
  --esp-6: 24px;
  --esp-7: 28px;
  --esp-8: 32px;
  --esp-9: 36px;
  --esp-10: 40px;

  --fuente-base: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html, body, h1, h2, h3, h4, p, ul, ol, figure {
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--fuente-base);
  font-weight: 400;
  line-height: 1.6;
  color: var(--texto, var(--fb-tinta, #14213D));
  background: var(--superficie, var(--fb-blanco, #FFFFFF));
}

h1, h2, h3, h4 {
  font-weight: 800;
  line-height: 1.2;
}

img {
  max-width: 100%;
  display: block;
}

table {
  font-variant-numeric: tabular-nums;
}

a {
  color: var(--fb-azul-claro, #2C6BB0);
}

:focus-visible {
  outline: 2px solid var(--fb-azul-claro, #2C6BB0);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}