:root { --bg: #0E0E10; --line: #222; --text: #F4F3EF; --muted: #8A8A86; --accent: #2F5BFF; --accent-text: #7B95FF; }
* { box-sizing: border-box; margin: 0; }
body { background: var(--bg); color: var(--text); font-family: 'Space Grotesk', system-ui, sans-serif; line-height: 1.55; }
html[lang="pt-BR"] .en, html[lang="en"] .pt { display: none; }
a { color: var(--accent-text); }
.wrap { max-width: 980px; margin: 0 auto; padding: 0 24px; }
header { border-bottom: 1px solid var(--line); }
header .wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; font-size: 20px; letter-spacing: .04em; color: var(--text); text-decoration: none; }
.top { display: flex; align-items: center; gap: 20px; }
.top > a { color: var(--muted); text-decoration: none; font-size: 15px; }
.langs { display: flex; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.langs button { background: none; border: 0; color: var(--muted); font: inherit; font-size: 13px; padding: 4px 10px; cursor: pointer; }
.langs button[aria-pressed="true"] { background: #1C1C1E; color: var(--text); }
.hero { padding: 120px 0 100px; }
.hero h1 { font-size: clamp(38px, 7vw, 68px); line-height: 1.05; font-weight: 700; max-width: 820px; }
.hero h1 span { color: var(--accent-text); }
.hero p { margin-top: 28px; font-size: 19px; color: var(--muted); max-width: 600px; }
section { padding: 72px 0; border-top: 1px solid var(--line); }
h2 { font-size: 28px; font-weight: 700; margin-bottom: 36px; }
.cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.cols h3 { font-size: 18px; font-weight: 500; margin-bottom: 10px; }
.cols p { color: var(--muted); font-size: 16px; }
dl { display: grid; grid-template-columns: 220px 1fr; }
dt, dd { padding: 16px 0; border-bottom: 1px solid var(--line); }
dt { color: var(--muted); font-size: 15px; }
dd { font-size: 17px; }
.contact p { color: var(--muted); margin-bottom: 8px; }
.contact a { font-size: 22px; text-decoration: none; }
.doc { padding: 72px 0; max-width: 760px; }
.doc h1 { font-size: 40px; margin-bottom: 8px; }
.doc .date { color: var(--muted); margin-bottom: 36px; }
.doc h2 { font-size: 20px; margin: 32px 0 10px; }
.doc p, .doc li { color: #C9C9C5; margin-bottom: 10px; }
.doc ul { padding-left: 20px; }
.doc .back { display: inline-block; margin-top: 36px; }
footer { border-top: 1px solid var(--line); padding: 36px 0; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
footer a { color: var(--muted); }
footer nav { display: flex; gap: 18px; flex-wrap: wrap; }
@media (max-width: 720px) {
  .hero { padding: 72px 0 64px; }
  .cols { grid-template-columns: 1fr; gap: 28px; }
  dl { grid-template-columns: 1fr; }
  dt { padding-bottom: 0; border-bottom: 0; }
  dd { padding-top: 4px; }
}