:root{
  --c-bg:#ffffff;--c-bg-alt:#f6f8fa;--c-border:#e3e6eb;--c-text:#1a1f29;--c-text-soft:#5a6573;
  --c-brand:#0a66c2;--c-brand-ink:#064a8f;--c-accent:#12a150;--c-warn:#d97706;--c-err:#d0342c;
  --c-code-bg:#0f1419;--c-code-text:#e6e6e6;
  --f-sans:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --f-mono:ui-monospace,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
  --r:6px;--r-lg:10px;--sh:0 1px 2px rgba(0,0,0,.05),0 1px 4px rgba(0,0,0,.04);
}
*{box-sizing:border-box}
html{font-family:var(--f-sans);color:var(--c-text);line-height:1.55;-webkit-font-smoothing:antialiased}
body{margin:0;background:var(--c-bg)}
a{color:var(--c-brand);text-decoration:none}
a:hover{color:var(--c-brand-ink);text-decoration:underline}
.container{max-width:1120px;margin:0 auto;padding:0 20px}
code,pre,kbd{font-family:var(--f-mono);font-size:.92em}
pre{background:var(--c-code-bg);color:var(--c-code-text);padding:14px 16px;border-radius:var(--r);overflow-x:auto;line-height:1.5;font-size:13px}
code{background:var(--c-bg-alt);border:1px solid var(--c-border);border-radius:4px;padding:1px 5px}
pre code{background:none;border:0;padding:0}
h1,h2,h3,h4{line-height:1.25;margin:1.6em 0 .55em;font-weight:650}
h1{font-size:2.15rem;margin-top:0}
h2{font-size:1.5rem;border-bottom:1px solid var(--c-border);padding-bottom:.25em}
h3{font-size:1.18rem}
p{margin:.85em 0}
ul,ol{padding-left:1.5em}
li{margin:.3em 0}
hr{border:0;border-top:1px solid var(--c-border);margin:2em 0}
small{color:var(--c-text-soft)}

/* Language toggle: hide alternate-lang elements */
[lang="ru"][data-show-in="en"],
[lang="en"][data-show-in="ru"]{display:none}
body[data-lang="ru"] .lang-en{display:none}
body[data-lang="en"] .lang-ru{display:none}
body:not([data-lang]) .lang-ru{display:none}

/* Header */
.site-header{border-bottom:1px solid var(--c-border);background:var(--c-bg);position:sticky;top:0;z-index:20}
.site-header .container{display:flex;align-items:center;gap:24px;height:60px}
.logo{display:flex;align-items:center;gap:9px;font-weight:700;font-size:1.05rem;color:var(--c-text)}
.logo svg{width:26px;height:26px;flex:0 0 26px}
.logo:hover{text-decoration:none;color:var(--c-brand)}
.site-header nav{display:flex;gap:20px;margin-left:12px}
.site-header nav a{color:var(--c-text-soft);font-size:.94rem;font-weight:500}
.site-header nav a:hover{color:var(--c-brand)}
.header-spacer{flex:1}
.lang-switcher{display:inline-flex;border:1px solid var(--c-border);border-radius:var(--r);overflow:hidden}
.lang-switcher button{appearance:none;background:none;border:0;padding:6px 11px;font:inherit;font-size:.82rem;font-weight:600;color:var(--c-text-soft);cursor:pointer}
.lang-switcher button:hover{background:var(--c-bg-alt)}
body[data-lang="en"] .lang-switcher button[data-lang-switch="en"],
body[data-lang="ru"] .lang-switcher button[data-lang-switch="ru"]{background:var(--c-brand);color:#fff}

/* Hero */
.hero{padding:70px 0 56px;background:linear-gradient(180deg,#f6f8fa 0%,#fff 100%);border-bottom:1px solid var(--c-border)}
.hero h1{font-size:2.6rem;max-width:22ch;margin-bottom:.4em}
.hero .lead{font-size:1.17rem;color:var(--c-text-soft);max-width:58ch;margin-bottom:1.6em}
.cta-row{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;padding:10px 18px;border-radius:var(--r);font-weight:600;font-size:.95rem;border:1px solid transparent;cursor:pointer}
.btn-primary{background:var(--c-brand);color:#fff}
.btn-primary:hover{background:var(--c-brand-ink);color:#fff;text-decoration:none}
.btn-ghost{background:#fff;color:var(--c-text);border-color:var(--c-border)}
.btn-ghost:hover{border-color:var(--c-text-soft);text-decoration:none}

/* Sections */
section{padding:56px 0}
section.alt{background:var(--c-bg-alt);border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border)}
.section-title{font-size:1.6rem;margin:0 0 .4em}
.section-sub{color:var(--c-text-soft);margin:0 0 2em;font-size:1.04rem;max-width:62ch}

/* Grids */
.grid{display:grid;gap:18px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
@media (max-width:780px){.grid-3,.grid-2{grid-template-columns:1fr}.hero h1{font-size:2rem}.hero{padding:48px 0 40px}}

.card{background:#fff;border:1px solid var(--c-border);border-radius:var(--r-lg);padding:20px 22px;box-shadow:var(--sh)}
.card h3{margin:0 0 .35em;font-size:1.08rem}
.card p{margin:.2em 0 0;color:var(--c-text-soft);font-size:.95rem}
.card .ico{width:32px;height:32px;color:var(--c-brand);margin-bottom:.5em}

/* Table */
table{border-collapse:collapse;width:100%;font-size:.93rem;margin:1em 0}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--c-border)}
th{background:var(--c-bg-alt);font-weight:600}
tr:hover td{background:var(--c-bg-alt)}

/* Status */
.status-banner{padding:18px 22px;border-radius:var(--r-lg);display:flex;align-items:center;gap:12px;font-weight:600}
.status-ok{background:#e6f7ec;color:#166534;border:1px solid #bbe5c8}
.status-dot{width:10px;height:10px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 0 3px rgba(18,161,80,.18)}
.status-list td:first-child{font-family:var(--f-mono);font-size:.88rem}
.status-pill{display:inline-block;padding:2px 8px;border-radius:20px;font-size:.75rem;font-weight:600;background:#e6f7ec;color:#166534}
.status-pill.warn{background:#fff4e5;color:#9a6300}
.status-pill.err{background:#fde7e6;color:#8a1f1a}

/* Docs layout */
.docs-layout{display:grid;grid-template-columns:230px 1fr;gap:40px;padding:40px 0 80px}
.docs-nav{position:sticky;top:80px;align-self:start;font-size:.92rem}
.docs-nav h4{margin:0 0 .4em;font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;color:var(--c-text-soft)}
.docs-nav ul{list-style:none;padding:0;margin:0 0 1.2em}
.docs-nav li a{display:block;padding:5px 10px;border-radius:4px;color:var(--c-text-soft)}
.docs-nav li a:hover{background:var(--c-bg-alt);color:var(--c-text);text-decoration:none}
.docs-nav li a.active{background:#eaf3fc;color:var(--c-brand-ink);font-weight:600}
.docs-content{min-width:0;max-width:760px}
.docs-content h1:first-of-type{margin-top:0}
@media (max-width:880px){.docs-layout{grid-template-columns:1fr;gap:16px}.docs-nav{position:static}}

/* Footer */
.site-footer{background:#0f1419;color:#c9d1d9;padding:48px 0 28px;margin-top:64px}
.site-footer a{color:#c9d1d9}
.site-footer a:hover{color:#fff}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;margin-bottom:28px}
.footer-grid h4{font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;color:#8b949e;margin:0 0 10px}
.footer-grid ul{list-style:none;padding:0;margin:0}
.footer-grid li{margin:6px 0;font-size:.92rem}
.footer-brand{max-width:32ch;color:#8b949e;font-size:.93rem}
.footer-brand .logo{color:#fff;margin-bottom:10px}
.footer-bottom{border-top:1px solid #21262d;padding-top:18px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:.85rem;color:#8b949e}
@media (max-width:780px){.footer-grid{grid-template-columns:1fr 1fr}}

/* Inline kv */
.kv{display:grid;grid-template-columns:auto 1fr;gap:4px 18px;font-size:.92rem;margin:1em 0}
.kv dt{color:var(--c-text-soft)}
.kv dd{margin:0;font-family:var(--f-mono);font-size:.86rem}