:root {
  color-scheme: light dark;
  --fundo: #fbfaf7;
  --texto: #1d1f22;
  --suave: #5b6168;
  --linha: #e3e0d8;
  --destaque: #0f6b5c;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fundo: #131516;
    --texto: #e8e6e1;
    --suave: #a2a7ad;
    --linha: #2a2e31;
    --destaque: #5cc4b0;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--fundo);
  color: var(--texto);
  font: 17px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.topo, main, .rodape {
  max-width: 44rem;
  margin: 0 auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

.topo {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.25rem;
  align-items: baseline;
  justify-content: space-between;
  padding-top: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--linha);
}

.marca {
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--texto);
  text-decoration: none;
}

nav { display: flex; flex-wrap: wrap; gap: .25rem 1rem; font-size: .95rem; }
nav a { color: var(--suave); text-decoration: none; }
nav a:hover, nav a[aria-current="page"] { color: var(--destaque); }

main { padding-top: 2rem; padding-bottom: 3rem; }

h1 { font-size: 2rem; line-height: 1.2; letter-spacing: -.02em; margin: 0 0 .5rem; }
h2 { font-size: 1.2rem; line-height: 1.3; margin: 2.25rem 0 .5rem; }
h3 { font-size: 1rem; margin: 1.5rem 0 .25rem; }

.lead { font-size: 1.15rem; color: var(--suave); margin: 0 0 1.5rem; }
.data { color: var(--suave); font-size: .95rem; margin: 0 0 1.5rem; }
.aviso { border-left: 3px solid var(--destaque); padding: .25rem 0 .25rem 1rem; color: var(--suave); font-size: .95rem; }

a { color: var(--destaque); overflow-wrap: anywhere; }
ul, ol { padding-left: 1.25rem; }
li { margin: .3rem 0; }

.rodape {
  border-top: 1px solid var(--linha);
  padding-top: 1.25rem;
  padding-bottom: 2rem;
  color: var(--suave);
  font-size: .9rem;
}
.rodape p { margin: .25rem 0; }