:root { --paper: #ffffff; --ink: #242424; --ink-soft: #616161; --rule: #e0e0e0; --accent: #0f6cbd; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.6 "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, sans-serif; }
main { max-width: 680px; margin: 0 auto; padding: 56px 24px 80px; }
.wordmark { margin: 0 0 40px; font-size: 34px; font-weight: 400; letter-spacing: -0.03em; line-height: 1; }
.wordmark a { color: inherit; text-decoration: none; }
.wordmark b { font-weight: 700; color: var(--accent); }
h1 { margin: 0 0 8px; font-size: 40px; line-height: 1.1; letter-spacing: -0.03em; }
h2 { margin: 48px 0 8px; padding-top: 20px; border-top: 1px solid var(--rule); font-size: 22px; letter-spacing: -0.01em; }
h3 { margin: 28px 0 4px; font-size: 17px; }
p, ul, ol { margin: 0 0 14px; }
a { color: var(--accent); }
.lede { font-size: 20px; color: var(--ink-soft); }
.meta { font-size: 12px; color: var(--ink-soft); }
.cta { border-radius: 4px; display: inline-block; margin: 12px 8px 0 0; padding: 12px 18px; background: var(--ink); color: var(--paper); font-weight: 600; text-decoration: none; }
.cta:hover { background: var(--accent); }
footer { margin-top: 64px; padding-top: 16px; border-top: 1px solid var(--rule); font-size: 14px; color: var(--ink-soft); }
code { font-size: 14px; background: #f5f5f5; padding: 1px 5px; border-radius: 3px; }

/* alternância de idioma: só o bloco do idioma ativo aparece */
[data-lang="en"] [lang="pt-BR"], [data-lang="pt"] [lang="en"] { display: none; }
.topbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 40px; }
.topbar .wordmark { margin: 0; }
#lang-toggle {
  display: inline-flex; align-items: center; gap: 6px; height: 32px; padding: 0 12px;
  border: 1px solid var(--rule); border-radius: 4px; background: #fff; color: var(--ink);
  font: 600 13px/1 "Segoe UI Variable Text", "Segoe UI", system-ui, sans-serif; cursor: pointer;
}
#lang-toggle:hover { border-color: var(--accent); color: var(--accent); }
#lang-toggle::before { content: ""; width: 14px; height: 14px; background: url("./globe.svg") center / contain no-repeat; }