/* Base — reset leve, tipografia e utilitários. Consome apenas tokens (design-tokens.css). */

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

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

body {
  margin: 0;
  background: var(--color-background);
  color: var(--color-foreground);
  font-family: var(--font-body);
  font-size: var(--type-body-size);
  font-weight: var(--type-body-weight);
  line-height: var(--type-body-line-height);
  -webkit-font-smoothing: antialiased;
}

img, svg, video { max-width: 100%; height: auto; }

h1, h2, h3, h4 {
  margin: 0 0 var(--primitive-spacing-3);
  font-family: var(--font-heading);
  color: var(--color-heading);
  text-wrap: balance;
}

h1 { font-size: var(--type-h1-size); line-height: var(--type-h1-line-height); font-weight: var(--type-h1-weight); letter-spacing: var(--type-h1-tracking); }
h2 { font-size: var(--type-h2-size); line-height: var(--type-h2-line-height); font-weight: var(--type-h2-weight); letter-spacing: var(--type-h2-tracking); }
h3 { font-size: var(--type-h3-size); line-height: var(--type-h3-line-height); font-weight: var(--type-h3-weight); letter-spacing: var(--type-h3-tracking); }
h4 { font-size: var(--type-h4-size); line-height: var(--type-h4-line-height); font-weight: var(--type-h4-weight); letter-spacing: var(--type-h4-tracking); }

p { margin: 0 0 var(--primitive-spacing-4); max-width: var(--primitive-layout-measure); }

a { color: var(--color-link); text-underline-offset: 0.2em; transition: color var(--primitive-duration-fast) var(--primitive-easing-standard); }
a:hover { color: var(--color-link-hover); }

strong, b { font-weight: var(--primitive-font-weight-semibold); }

code, kbd, pre { font-family: var(--font-mono); font-size: 0.9em; }

:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 2px;
}

::selection { background: var(--color-accent); color: var(--color-accent-foreground); }

/* Utilitários de tipografia */
.t-display { font-family: var(--font-heading); font-size: var(--type-display-size); line-height: var(--type-display-line-height); font-weight: var(--type-display-weight); letter-spacing: var(--type-display-tracking); color: var(--color-heading); text-wrap: balance; }
.t-lead    { font-size: var(--type-lead-size); line-height: var(--type-lead-line-height); color: var(--color-foreground-muted); }
.t-small   { font-size: var(--type-small-size); line-height: var(--type-small-line-height); }
.t-caption { font-size: var(--type-caption-size); line-height: var(--type-caption-line-height); color: var(--color-foreground-muted); }
.t-eyebrow {
  font-family: var(--font-body);
  font-size: var(--type-eyebrow-size);
  line-height: var(--type-eyebrow-line-height);
  font-weight: var(--type-eyebrow-weight);
  letter-spacing: var(--type-eyebrow-tracking);
  text-transform: uppercase;
  color: var(--color-secondary);
  margin: 0 0 var(--primitive-spacing-3);
}

/* Layout */
.container {
  width: 100%;
  max-width: var(--primitive-layout-container);
  margin-inline: auto;
  padding-inline: var(--spacing-gutter);
}

.stack > * + * { margin-top: var(--spacing-component); }

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

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