/* base.css — global resets and foundational defaults.
   Apply before any component or page styles.
   Relies on custom properties from tokens.css. */

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  background: var(--color-background);
  color: var(--color-text-primary);
  font: var(--font-body-large);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
img, picture, svg { display: block; max-width: 100%; }

/* Base icon helper assumed by conventions.md */
.icon { display: inline-flex; line-height: 0; }

/* Screen-reader-only utility */
.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;
}