:root{
 --bg:#111113;--bg2:#161617;--p:#232324;--p2:#2e2e30;--f:#3a3a3d;--ln:#35353a;
 --tx:#e8e8ea;--mu:#8e8e93;--ac:#4c6ef5;--ac2:#93a5ff;--gr:#4ade80;--yo:#e0a13a;
 --r:8px;color-scheme:dark}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--tx);font:16px/1.6 system-ui,Roboto,"Segoe UI",sans-serif}
a{color:var(--ac2);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.mu{color:var(--mu)}
/* language switch */
[data-lang="pt"] .en{display:none}
[data-lang="en"] .pt{display:none}
.lang{display:flex;gap:2px;background:var(--p2);border-radius:var(--r);padding:2px}
.lang button{background:none;border:0;color:var(--mu);font:inherit;font-size:13px;padding:4px 10px;border-radius:6px;cursor:pointer}
.lang button.on{background:var(--ac);color:#fff}
/* header */
.top{position:sticky;top:0;z-index:20;background:#111113e6;backdrop-filter:blur(8px);border-bottom:1px solid var(--ln)}
.top .wrap{display:flex;align-items:center;gap:18px;height:60px}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;color:var(--tx);font-size:17px}
.brand:hover{text-decoration:none}
.logo{width:26px;height:26px;color:var(--ac2)}
.nav{display:flex;gap:16px;margin-left:auto}
.nav a{color:var(--mu);font-size:14px}
.nav a:hover{color:var(--tx);text-decoration:none}
.lang{margin-left:8px}
/* hero */
.hero{padding:72px 0 40px;text-align:center;background:
 radial-gradient(60% 60% at 50% 0%,#1c2340 0%,transparent 70%)}
.hero h1{font-size:clamp(30px,6vw,52px);margin:0 0 12px;letter-spacing:-.02em}
.hero h1 .ac{color:var(--ac2)}
.hero p{font-size:clamp(16px,2.4vw,20px);color:var(--mu);max-width:620px;margin:0 auto 28px}
.cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:9px;background:var(--ac);color:#fff;padding:13px 22px;border-radius:var(--r);font-weight:600}
.btn:hover{background:#5c7bff;text-decoration:none}
.btn.ghost{background:var(--p2);color:var(--tx)}
.btn.ghost:hover{background:var(--f)}
.tagline{margin-top:14px;font-size:13px;color:var(--mu)}
/* sections */
section{padding:44px 0}
h2{font-size:clamp(22px,4vw,30px);margin:0 0 8px;letter-spacing:-.01em}
.sub{color:var(--mu);margin:0 0 26px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.card{background:var(--p);border:1px solid var(--ln);border-radius:var(--r);padding:20px}
.card h3{margin:0 0 6px;font-size:16px}
.card p{margin:0;color:var(--mu);font-size:14px}
.ico{width:30px;height:30px;color:var(--ac2);margin-bottom:12px}
/* code */
pre{background:#0d0d0f;border:1px solid var(--ln);border-radius:var(--r);padding:16px;overflow:auto;font-size:13.5px;line-height:1.55}
code{font-family:ui-monospace,Menlo,Consolas,monospace}
p code,li code,td code{background:var(--p2);padding:1px 6px;border-radius:4px;font-size:.9em}
.k{color:#7aa2ff}.s{color:#9fd98f}.n{color:#f0a35e}.c{color:#6f7a8f;font-style:italic}.f{color:#4fd6b8}
/* download */
.dl{display:flex;gap:20px;align-items:center;justify-content:space-between;flex-wrap:wrap;background:var(--p);border:1px solid var(--ln);border-radius:var(--r);padding:24px}
.sha{font-family:ui-monospace,monospace;font-size:11px;color:#6f7a8f;word-break:break-all;margin-top:8px}
/* footer */
.foot{border-top:1px solid var(--ln);padding:30px 0;margin-top:40px;color:var(--mu);font-size:13px}
.foot a{color:var(--mu)}
/* docs */
.docs{display:grid;grid-template-columns:230px 1fr;gap:40px;padding:34px 0 60px}
.side{position:sticky;top:80px;align-self:start;font-size:14px}
.side b{display:block;color:var(--mu);text-transform:uppercase;letter-spacing:.08em;font-size:11px;margin:16px 0 8px}
.side b:first-child{margin-top:0}
.side a{display:block;color:var(--tx);padding:5px 0;border-left:2px solid transparent;padding-left:10px}
.side a:hover{color:var(--ac2);text-decoration:none}
.side a.on{color:var(--ac2);border-left-color:var(--ac)}
.doc h1{font-size:clamp(24px,4vw,34px);margin:0 0 6px}
.doc h2{margin:34px 0 6px;font-size:22px;border-top:1px solid var(--ln);padding-top:26px}
.doc h2:first-of-type{border-top:0;padding-top:0}
.doc h3{margin:22px 0 6px;font-size:17px}
.doc p,.doc li{color:#d3d3d8}
.doc ul{padding-left:22px}
.doc table{width:100%;border-collapse:collapse;margin:14px 0;font-size:14px}
.doc th,.doc td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--ln);vertical-align:top}
.doc th{color:var(--mu);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.05em}
.doc td:first-child{white-space:nowrap}
.pager{display:flex;justify-content:space-between;gap:12px;margin-top:44px;padding-top:20px;border-top:1px solid var(--ln);font-size:14px}
.note{background:#1a1f33;border:1px solid #2b3660;border-radius:var(--r);padding:12px 16px;font-size:14px;color:#c9d2ef;margin:16px 0}
.note.warn{background:#2a2318;border-color:#5a4a25;color:#f0dcb0}
@media (max-width:820px){
 .docs{grid-template-columns:1fr;gap:20px}
 .side{position:static;border-bottom:1px solid var(--ln);padding-bottom:14px}
 .hero{padding:48px 0 28px}
}
@media (max-width:640px){
 .wrap{padding:0 16px}
 .top .wrap{flex-wrap:wrap;height:auto;padding:10px 16px;gap:8px 14px}
 .brand{font-size:16px}
 .nav{order:3;flex-basis:100%;justify-content:center;margin:2px 0 0;gap:22px}
 .nav a{font-size:15px}
 .lang{margin-left:auto}
 section{padding:34px 0}
 .grid{grid-template-columns:1fr}
 .dl{flex-direction:column;align-items:stretch;padding:20px}
 .dl>div{max-width:none!important}
 pre{font-size:12.5px;padding:13px}
 .doc h2{font-size:19px}
 .doc td:first-child{white-space:normal}
 .doc table{font-size:13.5px}
 .pager{flex-wrap:wrap}
}
@media (max-width:460px){
 .hero{padding:34px 0 22px}
 .hero h1{font-size:33px}
 .cta{flex-direction:column}
 .cta .btn{width:100%;justify-content:center}
 .btn{padding:12px 18px}
 .doc th,.doc td{padding:7px 8px}
 .side{gap:0}
}