:root {
  --grafite: #373435;
  --texto: #2a2829;
  --suave: #6b6768;
  --linha: #e4e1df;
  --fundo: #f7f6f4;
  --papel: #ffffff;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--fundo);
  color: var(--texto);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.65;
}

a { color: var(--grafite); text-underline-offset: 3px; }

.topo {
  background: var(--grafite);
  padding: 20px 16px;
}
.topo .caixa { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.topo img { display: block; height: 52px; width: auto; }
.topo nav { display: flex; gap: 18px; flex-wrap: wrap; justify-content: flex-end; }
.topo nav a { color: #fff; opacity: .8; text-decoration: none; font-size: 14px; letter-spacing: .02em; }
.topo nav a:hover, .topo nav a[aria-current] { opacity: 1; text-decoration: underline; }

.caixa { max-width: 760px; margin: 0 auto; }

main { padding: 48px 16px 64px; }

main .caixa {
  background: var(--papel);
  border: 1px solid var(--linha);
  border-radius: 6px;
  padding: 40px clamp(20px, 5vw, 56px);
}

h1 { font-size: clamp(28px, 4.5vw, 36px); line-height: 1.2; margin: 0 0 6px; color: var(--grafite); letter-spacing: -.01em; }
.data { color: var(--suave); font-size: 14px; margin: 0 0 32px; }
h2 { font-size: 20px; margin: 36px 0 8px; color: var(--grafite); }
p, li { max-width: 68ch; }
ul, ol { padding-left: 22px; }
li { margin: 4px 0; }

.destaque {
  border-left: 3px solid var(--grafite);
  padding: 4px 0 4px 16px;
  margin: 24px 0;
}

.inicio { text-align: center; padding: 72px 16px 80px; }
.inicio img { width: min(420px, 80vw); height: auto; }
.inicio p { margin: 28px auto 0; color: var(--suave); }

footer { padding: 24px 16px 40px; color: var(--suave); font-size: 14px; }
footer .caixa { display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between; }

@media (max-width: 560px) {
  .topo .caixa { flex-direction: column; align-items: flex-start; }
  .topo nav { justify-content: flex-start; }
  main { padding-top: 24px; }
}