/* =============================================================
   Base — reset, tipografia, utilitários e superfícies do navegador
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--canvas);
  color: var(--body);
  font-family: var(--fonte);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  margin: 0;
  color: var(--ink);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -.03em;
  text-wrap: balance;
}
p { margin: 0; text-wrap: pretty; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
blockquote, figure { margin: 0; }
iconify-icon { display: inline-flex; align-items: center; justify-content: center; flex: none; line-height: 0; vertical-align: middle; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }

a { color: var(--terra-ink); text-decoration: none; transition: color .2s var(--curva); }
a:hover { color: var(--terra); }

/* Superfícies do navegador */
::selection { background: var(--terra); color: #fff; }
:focus-visible { outline: 2px solid var(--terra); outline-offset: 3px; border-radius: 4px; }
input, textarea { caret-color: var(--terra); }
html { scrollbar-color: var(--line-2) var(--canvas); }
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-track { background: var(--canvas); }
::-webkit-scrollbar-thumb { background: var(--line-2); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: var(--salvia); }

/* Pular para o conteúdo */
.pular {
  position: absolute; left: 12px; top: -60px; z-index: 100;
  background: var(--ink); color: var(--on-dark); padding: .6rem 1rem; border-radius: var(--r-sm);
  font-weight: 600; font-size: .9rem;
}
.pular:focus, .pular:hover { top: 12px; color: var(--on-dark); }

.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;
}

/* Contêiner e seções */
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gut); }
.secao { position: relative; padding-block: var(--secao); }

/* Fundo técnico: grade fina que some para baixo */
.grade-tecnica {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-size: 40px 40px;
  background-image:
    linear-gradient(to right, rgba(46, 58, 47, .04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(46, 58, 47, .04) 1px, transparent 1px);
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 70%);
          mask-image: linear-gradient(to bottom, #000 0%, transparent 70%);
}
.pagina { position: relative; z-index: 1; padding-top: var(--nav-h); }

/* Cabeça de seção: rótulo + título à esquerda, lede embaixo à direita */
.eyebrow {
  display: inline-flex; align-items: center; gap: .55rem;
  margin: 0 0 .9rem;
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  letter-spacing: .2em; text-transform: uppercase;
  color: var(--cor-ink, var(--terra-ink));
}
.eyebrow::before { content: ""; width: 22px; height: 1px; background: currentColor; }

.h-secao { font-size: clamp(1.9rem, 4.2vw, 3.1rem); line-height: 1.04; letter-spacing: -.035em; }
.acento { color: var(--cor-ink, var(--terra-ink)); }
.lede { font-size: 1.05rem; line-height: 1.7; color: var(--body); max-width: 50ch; }

.cabeca-secao {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .85fr);
  gap: clamp(1.25rem, 4vw, 4rem); align-items: end;
  margin-bottom: clamp(2.5rem, 5vw, 3.75rem);
}
.cabeca-secao--centro { grid-template-columns: 1fr; text-align: center; justify-items: center; }
.cabeca-secao--centro .lede { margin-inline: auto; }
@media (max-width: 860px) {
  .cabeca-secao { grid-template-columns: 1fr; align-items: start; gap: 1rem; }
}

.mono { font-family: var(--mono); }
.nowrap { white-space: nowrap; }

/* Revelação: só esconde quando o script do <head> ligou .anima */
.anima .reveal { opacity: 0; transform: translateY(18px); transition: opacity .8s var(--saida), transform .8s var(--saida); }
.anima .reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .anima .reveal { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}