/**
 * Base: reset, document defaults, links, focus (Design System §6)
 */

html {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: var(--font-sans-family);
  font-size: var(--font-body);
  line-height: 1.55;
  color: var(--colour-text);
  background-color: var(--colour-bg);
}

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

a {
  color: var(--colour-brand);
  text-underline-offset: 2px;
  transition: color var(--duration-base) var(--ease);
}

a:hover {
  color: var(--colour-brand-deep);
}

:focus-visible {
  outline: 2px solid var(--colour-accent);
  outline-offset: 2px;
}

:focus:not(:focus-visible) {
  outline: none;
}