:root {
  color-scheme: light;
  --primary: #135d87;
  --primary-dark: #0b3f5e;
  --accent: #f4a300;
  --text: #22313a;
  --muted: #60717c;
  --surface: #ffffff;
  --background: #f3f7f9;
  --border: #dce6eb;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 17px;
  line-height: 1.65;
}

main {
  width: min(900px, calc(100% - 32px));
  margin: 36px auto;
  padding: 48px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 12px 36px rgba(22, 62, 82, .08);
}

header {
  padding-bottom: 24px;
  border-bottom: 4px solid var(--accent);
}

.marca {
  display: inline-block;
  color: var(--primary);
  font-size: .92rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
}

h1, h2 { color: var(--primary-dark); line-height: 1.25; }
h1 { margin: 10px 0 8px; font-size: clamp(2rem, 5vw, 3rem); }
h2 { margin-top: 34px; font-size: 1.35rem; }
.atualizacao { color: var(--muted); }
a { color: var(--primary); }
li + li { margin-top: 7px; }

footer {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 42px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
}

@media (max-width: 620px) {
  body { font-size: 16px; }
  main { width: 100%; margin: 0; padding: 28px 20px; border: 0; border-radius: 0; }
}