/* Página /about (conteúdo para pessoas, buscadores e IAs). */
:root {
    --bg: #16181d; --panel: #1f2229; --line: #2e323b; --text: #e8eaee; --muted: #a2a8b3; --accent: #ff7a1a;
    color-scheme: dark;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
.top, .foot { display: flex; align-items: center; gap: 16px; padding: 14px 24px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.foot { border-bottom: 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; margin-top: 40px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; font-size: 20px; }
.langs { margin-left: auto; display: flex; gap: 14px; font-size: 14px; }
.langs a { color: var(--muted); text-decoration: none; }
.langs a[aria-current] { color: var(--text); font-weight: 600; }
main { max-width: 1040px; margin: 0 auto; padding: 0 24px; }
section { margin-top: 48px; }
h1 { font-size: clamp(28px, 4.5vw, 44px); line-height: 1.15; margin: 40px 0 16px; }
h2 { font-size: 26px; margin: 0 0 16px; }
h3 { font-size: 17px; margin: 0 0 6px; }
.lead { font-size: 18px; color: #cfd3da; max-width: 820px; }
.cta { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin: 24px 0; }
.cta span { color: var(--muted); font-size: 14px; }
.cta.end { justify-content: center; margin-top: 48px; }
.btn { background: var(--accent); color: #111; font-weight: 700; padding: 12px 22px; border-radius: 10px; text-decoration: none; }
.btn:hover { filter: brightness(1.08); }
.shot { width: 100%; height: auto; border-radius: 14px; border: 1px solid var(--line); margin-top: 8px; display: block; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.grid article { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; }
.grid p { margin: 0; color: #c3c8d0; font-size: 15px; }
.steps li { margin-bottom: 8px; }
details { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 12px 16px; margin-bottom: 10px; }
summary { cursor: pointer; font-weight: 600; }
details p { margin: 10px 0 0; color: #c3c8d0; }
@media (max-width: 600px) { .top, main, .foot { padding-left: 16px; padding-right: 16px; } }