:root{
  --tinta:#1b1b1f;
  --tinta-fraca:#5c5c66;
  --papel:#ffffff;
  --papel-fundo:#f7f6f3;
  --linha:#e3e1dc;
  --destaque:#b4462f;
  --largura:44rem;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--papel-fundo);
  color:var(--tinta);
  font:400 17px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
a{color:var(--destaque)}
a:hover{text-decoration:none}

.faixa{background:var(--papel);border-bottom:1px solid var(--linha)}
.envelope{max-width:var(--largura);margin:0 auto;padding:0 1.25rem}

header .envelope{display:flex;flex-wrap:wrap;align-items:baseline;gap:.4rem 1.5rem;padding-top:1.15rem;padding-bottom:1.15rem}
.marca{font-size:1.15rem;font-weight:700;letter-spacing:-.01em;color:var(--tinta);text-decoration:none}
.marca span{color:var(--destaque)}
nav{display:flex;flex-wrap:wrap;gap:1.1rem;margin-left:auto}
nav a{font-size:.94rem;color:var(--tinta-fraca);text-decoration:none}
nav a:hover,nav a[aria-current="page"]{color:var(--destaque)}

main{background:var(--papel)}
main .envelope{padding-top:2.75rem;padding-bottom:3rem}

h1{font-size:1.95rem;line-height:1.2;letter-spacing:-.02em;margin:0 0 1.1rem}
h2{font-size:1.2rem;letter-spacing:-.01em;margin:2.2rem 0 .7rem}
h3{font-size:1rem;margin:1.6rem 0 .4rem}
p,li{margin:0 0 1rem}
ul{padding-left:1.2rem}
.chamada{font-size:1.12rem;color:var(--tinta-fraca);margin-bottom:2rem}

.aviso{
  background:var(--papel-fundo);
  border:1px solid var(--linha);
  border-left:3px solid var(--destaque);
  padding:1rem 1.15rem;
  margin:1.75rem 0;
}
.aviso p:last-child{margin-bottom:0}
.aviso strong{display:block;margin-bottom:.3rem}

dl{margin:0}
dt{font-weight:600;margin-top:1.2rem}
dd{margin:.2rem 0 0}

footer{border-top:1px solid var(--linha);background:var(--papel-fundo)}
footer .envelope{padding-top:1.75rem;padding-bottom:2.5rem;font-size:.9rem;color:var(--tinta-fraca)}
footer a{color:var(--tinta-fraca)}
footer nav{margin:0 0 .8rem;gap:1rem}

@media (max-width:34rem){
  h1{font-size:1.6rem}
  nav{margin-left:0;width:100%}
}