*,*::before,*::after{box-sizing:border-box}
:root{--bg:#09090a;--panel:#121214;--line:#232327;--text:#e8e8ea;--muted:#8d8d94;--red:#e12f2f;
  --display:"Chakra Petch","Arial Narrow",Arial,sans-serif;--body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",Arial,sans-serif}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:400 16px/1.7 var(--body)}
a{color:var(--red);text-decoration:none}a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--red);outline-offset:3px}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
header{position:sticky;top:0;z-index:9;background:rgba(9,9,10,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.logo{font:700 20px/1 var(--display);letter-spacing:.02em;display:flex;align-items:center;gap:10px;color:var(--text)}
.logo:hover{text-decoration:none}
.logo i{width:12px;height:12px;background:var(--red);display:block;clip-path:polygon(0 0,100% 0,100% 60%,60% 100%,0 100%)}
.logo b{font:inherit}
.logo span{color:var(--muted)}
.right{display:flex;align-items:center;gap:16px}
.back{font:600 15px/1 var(--body);color:var(--muted)}
.back:hover{color:var(--text);text-decoration:none}
.lang{display:flex;border:1px solid var(--line);border-radius:4px;overflow:hidden}
.lang button{height:44px;min-width:44px;padding:0 10px;background:transparent;border:0;color:var(--muted);font:600 14px/1 var(--body);cursor:pointer}
.lang button+button{border-left:1px solid var(--line)}
.lang button:hover{color:var(--text)}
html[lang="en"] .lang [data-lang="en"],html[lang="ru"] .lang [data-lang="ru"],html[lang="uk"] .lang [data-lang="uk"]{background:var(--red);color:#fff}
.l{display:none}
html[lang="en"] .l[lang="en"],html[lang="ru"] .l[lang="ru"],html[lang="uk"] .l[lang="uk"]{display:block}
html[lang="en"] span.l[lang="en"],html[lang="ru"] span.l[lang="ru"],html[lang="uk"] span.l[lang="uk"]{display:inline}
.doc{max-width:800px;padding-top:56px;padding-bottom:72px}
.doc h1{margin:0 0 8px;font:700 clamp(30px,5vw,44px)/1.1 var(--display)}
.upd{margin:0 0 28px;color:var(--muted);font-size:14px}
.doc h2{margin:40px 0 10px;padding-top:24px;border-top:1px solid var(--line);font:700 22px/1.25 var(--display);counter-increment:sec}
.doc h2::before{content:counter(sec) ". ";color:var(--red)}
.l{counter-reset:sec}
.doc p{margin:0 0 14px;color:#c9c9ce}
.doc ul{margin:0 0 14px;padding-left:22px;color:#c9c9ce}
.doc li{margin:0 0 8px}
.tk{background:rgba(225,47,47,.16);color:#ff8a8a;border-radius:3px;padding:0 4px}
footer{border-top:1px solid var(--line);padding:32px 0;color:var(--muted);font-size:14px}
.flinks{display:flex;flex-wrap:wrap;gap:8px 24px;margin-bottom:14px}
.flinks a{color:var(--text)}
footer p{margin:0}
@media(max-width:560px){.wrap{padding:0 16px}.back{display:none}.doc{padding-top:36px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}