/* ==========================================================================
   base — reset mínimo, tipografia global, utilitários de layout
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: var(--header-height); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
h1, h2, h3, h4, p, ul, ol, figure { margin: 0; }
:where(ul[role="list"], ol[role="list"]) { list-style: none; padding: 0; }

h1, h2, h3 { line-height: var(--leading-snug); letter-spacing: var(--tracking-tight); text-wrap: balance; }
p { text-wrap: pretty; }

a { color: inherit; }

:focus-visible { outline: none; box-shadow: var(--focus-ring); border-radius: var(--radius-sm); }

.container {
  width: 100%;
  max-width: calc(var(--container-max) + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--wide { max-width: calc(var(--container-wide) + 2 * var(--gutter)); }
.container--narrow { max-width: calc(var(--container-narrow) + 2 * var(--gutter)); }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: var(--space-4); top: -100px; z-index: 100;
  padding: var(--space-3) var(--space-4); background: var(--color-surface);
  color: var(--color-text); font-weight: var(--weight-semibold); border-radius: var(--radius-md);
}
.skip-link:focus { top: var(--space-4); }