/* base.css — reset + base tipográfica. Só tokens; nenhuma cor fixa. */

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

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

body {
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.62;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

h1, h2, h3, h4 { color: var(--ink); line-height: 1.12; text-wrap: balance; font-weight: 800; letter-spacing: -0.02em; }
p { text-wrap: pretty; }

a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-ink); }

button { font: inherit; cursor: pointer; }

:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
  border-radius: 4px;
}

/* — utilidades de layout — */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(48px, 7vw, 88px); }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.tnum { font-variant-numeric: tabular-nums; }

/* cabeçalho de seção reutilizável */
.kicker {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 12px;
}
.section__title { font-size: var(--fs-h2); margin-bottom: 14px; }
.section__intro { font-size: var(--fs-lead); color: var(--text); max-width: 60ch; }