:root {
  --bg: #fbfaf7; --fg: #1d1c1a; --muted: #5f5b55; --line: #e6e2da;
  --accent: #0b6e4f; --accent-fg: #ffffff; --panel: #ffffff; --mark: #fff3b0;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #15171a; --fg: #ebe9e4; --muted: #a39f97; --line: #2b2f35;
    --accent: #4fc39a; --accent-fg: #0d1a14; --panel: #1c1f24; --mark: #5a4b12;
  }
}
:root[data-theme="dark"] {
  --bg: #15171a; --fg: #ebe9e4; --muted: #a39f97; --line: #2b2f35;
  --accent: #4fc39a; --accent-fg: #0d1a14; --panel: #1c1f24; --mark: #5a4b12;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--accent); }
.topo {
  display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: baseline; justify-content: space-between;
  padding: 18px 16px; border-bottom: 1px solid var(--line); max-width: 960px; margin: 0 auto;
}
.marca { font-weight: 700; font-size: 20px; color: var(--fg); text-decoration: none; }
.marca .prov { font-weight: 400; font-size: 13px; color: var(--muted); margin-left: 6px; }
.topo nav { display: flex; gap: 18px; }
.topo nav a { color: var(--fg); text-decoration: none; font-size: 15px; }
.topo nav a:hover { color: var(--accent); }
main { max-width: 760px; margin: 0 auto; padding: 24px 16px 48px; }
.texto h1 { font-size: 30px; line-height: 1.2; margin: 12px 0 20px; }
.texto h2 { font-size: 22px; margin: 36px 0 10px; }
.texto h3 { font-size: 18px; margin: 26px 0 8px; }
.texto p, .texto li { max-width: 70ch; }
.texto blockquote { margin: 0 0 20px; padding: 12px 16px; border-left: 4px solid var(--accent); background: var(--panel); border-radius: 6px; }
.texto table { border-collapse: collapse; width: 100%; margin: 12px 0 20px; font-size: 15px; display: block; overflow-x: auto; }
.texto th, .texto td { text-align: left; vertical-align: top; padding: 8px 10px; border-bottom: 1px solid var(--line); }
.texto th { color: var(--muted); font-weight: 600; }
.texto code { font-size: 0.92em; background: var(--panel); padding: 1px 5px; border-radius: 4px; border: 1px solid var(--line); }
mark { background: var(--mark); color: inherit; padding: 0 3px; border-radius: 3px; }
/* Página inicial */
.heroi { padding: 40px 0 16px; }
.heroi h1 { font-size: 36px; line-height: 1.15; margin: 0 0 14px; max-width: 24ch; }
.heroi p.lide { font-size: 20px; color: var(--muted); max-width: 56ch; margin: 0 0 20px; }
.passos { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); margin: 28px 0; }
.passo { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.passo .n { display: inline-block; width: 28px; height: 28px; border-radius: 50%; background: var(--accent); color: var(--accent-fg); text-align: center; line-height: 28px; font-weight: 700; margin-bottom: 10px; }
.passo h3 { margin: 0 0 6px; font-size: 18px; }
.passo p { margin: 0; color: var(--muted); font-size: 15px; }
.casos { margin: 28px 0; }
.casos ul { padding-left: 20px; }
.casos li { margin-bottom: 8px; }
.aviso { border: 1px solid var(--line); background: var(--panel); border-radius: 12px; padding: 16px 18px; margin: 28px 0; color: var(--muted); font-size: 15px; }
.lang { font-size: 14px; color: var(--muted); margin: 0 0 8px; }
footer { max-width: 760px; margin: 0 auto; padding: 20px 16px 40px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
footer p { margin: 6px 0; }