@font-face{font-family:Manrope;font-weight:600;font-display:swap;src:url(fonts/manrope-cyrillic-600.woff2) format("woff2");unicode-range:U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:Manrope;font-weight:600;font-display:swap;src:url(fonts/manrope-latin-600.woff2) format("woff2");unicode-range:U+0000-00FF,U+2000-206F,U+20AC,U+2122,U+2212}
@font-face{font-family:Manrope;font-weight:800;font-display:swap;src:url(fonts/manrope-cyrillic-800.woff2) format("woff2");unicode-range:U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:Manrope;font-weight:800;font-display:swap;src:url(fonts/manrope-latin-800.woff2) format("woff2");unicode-range:U+0000-00FF,U+2000-206F,U+20AC,U+2122,U+2212}
@font-face{font-family:Inter;font-weight:400;font-display:swap;src:url(fonts/inter-cyrillic-400.woff2) format("woff2");unicode-range:U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:Inter;font-weight:400;font-display:swap;src:url(fonts/inter-latin-400.woff2) format("woff2");unicode-range:U+0000-00FF,U+2000-206F,U+20AC,U+2122,U+2212}
@font-face{font-family:Inter;font-weight:600;font-display:swap;src:url(fonts/inter-cyrillic-600.woff2) format("woff2");unicode-range:U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:Inter;font-weight:600;font-display:swap;src:url(fonts/inter-latin-600.woff2) format("woff2");unicode-range:U+0000-00FF,U+2000-206F,U+20AC,U+2122,U+2212}

:root{
  --navy:#272d4d;--navy-2:#1d2140;--ink:#33373d;--ink-2:#5f6670;--bg:#fff;--soft:#f3f5f8;--line:#e1e5eb;
  --yellow:#f5b301;--yellow-ink:#1d2140;
  --open:#14915a;--open-bg:#e6f5ee;--close:#d2433a;--close-bg:#fcebea;--status:#2463d1;--status-bg:#e8effc;--warn:#b26b00;--warn-bg:#fff4dc;
  --r:14px;--shadow:0 1px 2px rgba(29,33,64,.06),0 6px 24px rgba(29,33,64,.07);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.55 Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
img,svg{max-width:100%;display:block}
a{color:var(--navy);text-underline-offset:3px}
a:hover{color:#4b5590}
:focus-visible{outline:3px solid var(--yellow);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4{font-family:Manrope,Inter,sans-serif;color:var(--navy);line-height:1.2;margin:0 0 .5em}
h1{font-size:clamp(28px,4.4vw,44px);font-weight:800;letter-spacing:-.02em}
h2{font-size:clamp(22px,3vw,30px);font-weight:800;letter-spacing:-.01em}
h3{font-size:19px;font-weight:800}
p{margin:0 0 1em}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
@media(max-width:600px){.wrap{padding:0 16px}}
[hidden]{display:none!important}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* header */
.hdr{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.hdr .wrap{display:flex;align-items:center;gap:24px;height:68px}
.logo img{height:34px;width:auto}
.hdr-kb{font:700 15px Manrope,Inter,sans-serif;color:var(--navy);text-decoration:none;padding-left:18px;border-left:1px solid var(--line)}
.hdr-cta{margin-left:auto}
@media(max-width:480px){.hdr-cta{min-height:40px;padding:0 14px;font-size:14px}.hdr-kb{display:none}}
.nav{display:flex;gap:22px;margin-left:auto;align-items:center}
.nav a{text-decoration:none;font-weight:600;color:var(--navy);font-size:15px}
.nav a.on{box-shadow:inset 0 -2px 0 var(--yellow)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;border-radius:12px;border:0;cursor:pointer;font:700 15px/1 Manrope,Inter,sans-serif;text-decoration:none;white-space:nowrap}
.btn-y{background:var(--yellow);color:var(--yellow-ink)}
.btn-y:hover{background:#ffc21f;color:var(--yellow-ink)}
.btn-n{background:var(--navy);color:#fff}
.btn-n:hover{background:#353c66;color:#fff}
.btn-o{background:#fff;color:var(--navy);box-shadow:inset 0 0 0 1.5px var(--line)}
.btn-o:hover{box-shadow:inset 0 0 0 1.5px var(--navy);color:var(--navy)}
.menu-btn{display:none;margin-left:auto;background:none;border:0;width:44px;height:44px;border-radius:10px;cursor:pointer;color:var(--navy)}
@media(max-width:900px){
  .menu-btn{display:grid;place-items:center}
  .nav{display:none;position:absolute;left:0;right:0;top:68px;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:8px 16px 16px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .nav.open{display:flex}
  .nav a{padding:12px 4px;border-bottom:1px solid var(--line)}
  .nav .btn{margin-top:12px}
}

/* breadcrumbs */
.crumbs{font-size:14px;color:var(--ink-2);padding:18px 0 0;display:flex;flex-wrap:wrap;gap:6px}
.crumbs a{color:var(--ink-2);text-decoration:none}
.crumbs a:hover{color:var(--navy);text-decoration:underline}
.crumbs span[aria-hidden]{opacity:.5}

/* hero */
.hero{padding:28px 0 36px}
.hero.dark{background:radial-gradient(1200px 400px at 85% -10%,#3b4475 0,transparent 60%),var(--navy);color:#dfe3f1;padding:44px 0 52px}
.hero.dark h1{color:#fff}
.hero.dark .crumbs,.hero.dark .crumbs a{color:#aab2d3}
.hero .lead{font-size:18px;color:var(--ink-2);max-width:760px}
.hero.dark .lead{color:#c9cfe6}
.kicker{display:inline-block;font:700 12px/1 Manrope,sans-serif;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2);margin-bottom:10px}
.hero.dark .kicker{color:var(--yellow)}

/* search */
.search{position:relative;max-width:760px;margin-top:22px}
.search input{width:100%;height:60px;border-radius:16px;border:0;padding:0 56px 0 54px;font:400 18px Inter,sans-serif;color:var(--ink);background:#fff;box-shadow:0 0 0 1.5px var(--line),var(--shadow);-webkit-appearance:none;appearance:none}
.search input:focus{outline:none;box-shadow:0 0 0 3px var(--yellow),var(--shadow)}
.search .ico{position:absolute;left:18px;top:19px;color:var(--ink-2);pointer-events:none}
.search kbd{position:absolute;right:16px;top:18px;font:600 12px var(--mono);color:var(--ink-2);border:1px solid var(--line);border-radius:6px;padding:3px 7px;background:var(--soft)}
@media(hover:none){.search kbd{display:none}}
.search .clear{position:absolute;right:10px;top:10px;width:40px;height:40px;border:0;border-radius:10px;background:var(--soft);cursor:pointer;display:none;color:var(--ink-2);font-size:20px}
.search.has .clear{display:block}.search.has kbd{display:none}
.suggest{position:absolute;left:0;right:0;top:66px;background:#fff;border-radius:14px;box-shadow:0 0 0 1px var(--line),0 18px 50px rgba(29,33,64,.18);overflow:hidden;z-index:40;display:none;max-height:min(70vh,520px);overflow-y:auto}
.suggest.on{display:block}
.suggest a{display:flex;gap:12px;align-items:center;padding:11px 16px;text-decoration:none;color:var(--ink);border-top:1px solid var(--soft)}
.suggest a:first-child{border-top:0}
.suggest a.sel,.suggest a:hover{background:var(--soft)}
.suggest .t{font-weight:600;color:var(--navy)}
.suggest .s{font-size:13px;color:var(--ink-2)}
.suggest mark,.card mark{background:#ffe9a8;color:inherit;border-radius:3px;padding:0 1px}
.suggest .empty{padding:16px;color:var(--ink-2)}
.tag{display:inline-flex;align-items:center;gap:6px;font:600 12px/1 Inter,sans-serif;padding:5px 9px;border-radius:999px;background:var(--soft);color:var(--ink-2);white-space:nowrap}
.tag.g{background:var(--open-bg);color:var(--open)}
.tag.b{background:var(--status-bg);color:var(--status)}
.tag.w{background:var(--warn-bg);color:var(--warn)}
.tag.n{background:var(--navy);color:#fff}

/* sections */
.sec{padding:44px 0}
.sec.soft{background:var(--soft)}
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:1000px){.g4{grid-template-columns:repeat(3,1fr)}}
@media(max-width:820px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{background:#fff;border-radius:var(--r);box-shadow:var(--shadow);padding:22px;position:relative}
.card.flat{box-shadow:0 0 0 1px var(--line)}
a.card{display:block;text-decoration:none;color:var(--ink);transition:transform .15s,box-shadow .15s}
a.card:hover{transform:translateY(-2px);box-shadow:0 2px 4px rgba(29,33,64,.06),0 14px 36px rgba(29,33,64,.12);color:var(--ink)}
.card h3{margin-bottom:6px}
.card .muted{color:var(--ink-2);font-size:14px}
.big-links .card{padding:26px;min-height:190px;display:flex;flex-direction:column}
.big-links .card .go{margin-top:auto;font:700 15px Manrope,sans-serif;color:var(--navy)}
.big-links .ico-box{width:52px;height:52px;border-radius:14px;background:var(--soft);display:grid;place-items:center;margin-bottom:14px;color:var(--navy)}

/* brand grid */
.brands{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.brand{display:flex;flex-direction:column;justify-content:center;gap:2px;min-height:76px;padding:14px 16px;border-radius:12px;background:#fff;box-shadow:0 0 0 1px var(--line);text-decoration:none;color:var(--ink)}
.brand:hover{box-shadow:0 0 0 2px var(--navy);color:var(--ink)}
.brand b{font:800 17px Manrope,sans-serif;color:var(--navy)}
.brand span{font-size:13px;color:var(--ink-2)}

/* catalog */
.toolbar{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 6px}
.chip{border:0;cursor:pointer;min-height:38px;padding:0 14px;border-radius:999px;background:#fff;box-shadow:inset 0 0 0 1.5px var(--line);font:600 14px Inter,sans-serif;color:var(--navy)}
.chip[aria-pressed=true]{background:var(--navy);color:#fff;box-shadow:none}
.chip .n{opacity:.6;font-weight:400;margin-left:4px}
.hero.dark .chip{background:rgba(255,255,255,.08);color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.18)}
.hero.dark .chip[aria-pressed=true]{background:var(--yellow);color:var(--yellow-ink)}
.count{font-size:14px;color:var(--ink-2);margin:10px 0 16px}
.mcard{display:flex;flex-direction:column;gap:10px;padding:18px 18px 16px}
.mcard .top{display:flex;gap:14px;align-items:flex-start}
.mcard .thumb{flex:0 0 58px;height:76px;border-radius:8px;background:var(--soft);overflow:hidden;box-shadow:0 0 0 1px var(--line)}
.mcard .thumb img{width:100%;height:100%;object-fit:cover;object-position:top}
.mcard .br{font:700 12px/1 Manrope,sans-serif;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2)}
.mcard h3{font-size:18px;margin:4px 0 2px}
.mcard .v{font-size:13px;color:var(--ink-2)}
.mcard .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto}
.noresult{padding:40px 20px;text-align:center;color:var(--ink-2);display:none}

/* model page */
.mhead{display:grid;grid-template-columns:1fr 300px;gap:28px;align-items:start}
@media(max-width:900px){.mhead{grid-template-columns:1fr}}
.facts{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 0}
.fact{background:#fff;border-radius:12px;box-shadow:0 0 0 1px var(--line);padding:10px 14px;min-width:120px}
.fact small{display:block;font-size:12px;color:var(--ink-2)}
.fact b{font:700 15px Manrope,sans-serif;color:var(--navy)}
.dl{display:flex;gap:16px;align-items:center}
.dl .cover{flex:0 0 92px;height:122px;border-radius:8px;overflow:hidden;background:var(--soft);box-shadow:0 0 0 1px var(--line),0 8px 18px rgba(29,33,64,.12)}
.dl .cover img{width:100%;height:100%;object-fit:cover;object-position:top}
.dl .meta{font-size:13px;color:var(--ink-2);margin:4px 0 10px}
.dl .btns{display:flex;flex-wrap:wrap;gap:8px}
.dl-card{padding:18px}

.tabs{position:sticky;top:68px;z-index:20;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);margin:0 -20px;padding:10px 20px}
@media(max-width:600px){.tabs{margin:0 -16px;padding:10px 16px}}
.seg{display:flex;background:var(--soft);border-radius:12px;padding:4px;gap:4px;max-width:560px}
.seg button{flex:1;border:0;background:none;cursor:pointer;min-height:44px;border-radius:9px;font:700 14px/1.15 Manrope,sans-serif;color:var(--ink-2);padding:6px 10px}
.seg button small{display:block;font:400 12px Inter,sans-serif;opacity:.85}
.seg button[aria-selected=true]{background:#fff;color:var(--navy);box-shadow:0 1px 3px rgba(29,33,64,.14)}
.scheme{padding:26px 0 8px}
.js .scheme[hidden]{display:none}
.scheme-head{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;margin-bottom:16px}
.scheme-head h2{margin:0}
.num{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--navy);color:#fff;font:800 17px Manrope,sans-serif}
.diagram-card{padding:16px}
.diagram{width:100%;height:auto;max-width:600px;margin:0 auto}
.legend{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:13px;color:var(--ink-2);margin-top:10px;justify-content:center}
.legend i{display:inline-block;width:22px;height:4px;border-radius:2px;vertical-align:middle;margin-right:6px}
.cols{display:grid;grid-template-columns:1.15fr 1fr;gap:18px;margin-top:18px}
@media(max-width:900px){.cols{grid-template-columns:1fr}}
.wires{list-style:none;margin:0;padding:0}
.wires li{display:grid;grid-template-columns:auto 1fr auto 1fr;gap:10px;align-items:center;padding:12px 0;border-top:1px solid var(--line)}
.wires li:first-child{border-top:0;padding-top:4px}
.wires .dot{width:14px;height:14px;border-radius:50%}
.wires .arrow{color:var(--ink-2)}
.pin{display:inline-flex;flex-direction:column}
.pin b{font:700 15px var(--mono);color:var(--navy)}
.pin small{font-size:12px;color:var(--ink-2);line-height:1.3}
.term{display:inline-block;font:700 14px var(--mono);background:var(--navy);color:#fff;border-radius:6px;padding:2px 7px}
.steps{list-style:none;counter-reset:s;margin:0;padding:0}
.steps li{counter-increment:s;position:relative;padding:10px 0 10px 44px;border-top:1px solid var(--line)}
.steps li:first-child{border-top:0}
.steps li::before{content:counter(s);position:absolute;left:0;top:9px;width:30px;height:30px;border-radius:9px;background:var(--yellow);color:var(--yellow-ink);display:grid;place-items:center;font:800 14px Manrope,sans-serif}
.steps.check li{cursor:pointer;user-select:none}
.steps.check li.done{color:var(--ink-2);text-decoration:line-through;text-decoration-color:rgba(0,0,0,.25)}
.steps.check li.done::before{content:"✓";background:var(--open);color:#fff}
.note{display:flex;gap:12px;padding:14px 16px;border-radius:12px;background:var(--warn-bg);color:#5b3b00;font-size:15px;margin-top:12px}
.note.info{background:var(--status-bg);color:#173c80}
.note.bad{background:var(--close-bg);color:#7a1f19}
.note svg{flex:0 0 20px;margin-top:2px}
.note p:last-child,.note ul:last-child{margin-bottom:0}
.note ul{margin:4px 0 0;padding-left:18px}
.tbl{width:100%;border-collapse:collapse;font-size:15px}
.tbl th,.tbl td{text-align:left;padding:10px 12px;border-top:1px solid var(--line);vertical-align:top}
.tbl th{font-weight:600;color:var(--ink-2);width:42%}
.tbl tr:first-child th,.tbl tr:first-child td{border-top:0}
.tbl td .term{font-size:13px}
@media(max-width:560px){.tbl th,.tbl td{display:block;width:auto;padding:4px 0}.tbl tr{display:block;padding:10px 0;border-top:1px solid var(--line)}.tbl tr:first-child{border-top:0}.tbl th,.tbl td{border:0}}
.conf{display:flex;gap:12px;align-items:flex-start}
.src{font-size:14px;word-break:break-word}
.src li{margin:4px 0}
.disclaimer{font-size:13px;color:var(--ink-2);border-top:1px solid var(--line);padding:18px 0 0;margin-top:28px}
.disclaimer b{color:var(--ink)}
.prose{max-width:820px}
.prose ul{padding-left:20px}
.prose li{margin:6px 0}

/* module page */
.mod-hero{display:grid;grid-template-columns:1fr 380px;gap:32px;align-items:center}
.mod-hero .pic{background:var(--soft);border-radius:18px;aspect-ratio:4/3;display:grid;place-items:center;padding:18px}
.mod-hero .pic img{max-height:100%;width:auto;object-fit:contain}
@media(max-width:900px){.mod-hero{grid-template-columns:1fr}.mod-hero .pic{max-width:420px}}
.io{display:flex;gap:12px;flex-wrap:wrap;margin:18px 0}
.io .fact b{font-size:22px}

/* footer */
.ftr{background:var(--navy-2);color:#aeb4cf;padding:40px 0 30px;margin-top:40px;font-size:14px}
.ftr a{color:#dfe3f1;text-decoration:none}
.ftr a:hover{text-decoration:underline;color:#fff}
.ftr .cols4{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:28px}
@media(max-width:820px){.ftr .cols4{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.ftr .cols4{grid-template-columns:1fr}}
.ftr h4{color:#fff;font-size:15px;margin-bottom:10px}
.ftr ul{list-style:none;margin:0;padding:0}
.ftr li{margin:6px 0}
.ftr .copy{border-top:1px solid rgba(255,255,255,.1);margin-top:26px;padding-top:18px;font-size:13px}
.ftr .logo img{height:32px;margin-bottom:12px}

@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}
@media print{
  .hdr,.ftr,.tabs,.search,.dl .btns,.menu-btn,.no-print{display:none!important}
  .js .scheme[hidden]{display:block!important}
  .card{box-shadow:none;border:1px solid #ccc;break-inside:avoid}
  body{font-size:12pt}
  .hero.dark{background:none;color:#000}.hero.dark h1{color:#000}
}