body{margin:0;padding:0}img{max-width:100%}[hidden]:not([hidden=until-found i]){display:none!important}
  :root{
    color-scheme:light;
    --bg:#FFFFFF; --surface:#F7F8FA; --surface-2:#EFF1F4;
    --text:#14181B; --text-2:#565E66; --text-3:#828A92;
    --line:#E2E5E9; --line-soft:#EDEFF2;
    --brand:#2B3238; --brand-2:#4A535B;
    --accent:#4A535B; --accent-soft:rgba(43,50,56,.06);
    --grad:linear-gradient(135deg,#4A535B 0%,#20262B 100%);
    --grad-text:linear-gradient(90deg,#20262B 0%,#78828B 100%);
    --grad-soft:linear-gradient(180deg,#FFFFFF 0%,#EFF2F5 100%);
    --ink-bg:#F5F7F9; --ink-surface:#FFFFFF; --ink-line:rgba(20,24,27,.11);
    --on-ink:#14181B; --on-ink-2:#565E66; --ink-accent:#2B3238;
    --img-frame:rgba(20,24,27,.10);
    --tile:linear-gradient(180deg,#F7F9FB 0%,#E9EDF1 100%);
    --tile-line:rgba(20,24,27,.10);
    --tile-shadow:drop-shadow(0 12px 20px rgba(20,28,36,.22));
    --tile-shadow-soft:drop-shadow(0 6px 12px rgba(20,28,36,.20));
    --logo-plate:transparent; --logo-plate-line:transparent;
    --r:10px;
  }

  *{box-sizing:border-box;}
  body{background:var(--bg);color:var(--text);
    font-family:Inter,"Segoe UI",Roboto,Arial,sans-serif;font-size:16px;line-height:1.6;
    -webkit-font-smoothing:antialiased;}
  h1,h2,h3,h4{font-family:Inter,"Segoe UI",Arial,sans-serif;font-weight:800;letter-spacing:-.018em;text-wrap:balance;margin:0;line-height:1.12;}
  p{margin:0;} a{color:inherit;} ul,ol{margin:0;padding:0;list-style:none;}
  figure{margin:0;}
  img{display:block;max-width:100%;height:auto;}

  .wrap{max-width:1120px;margin:0 auto;padding-inline:20px;}
  .eyebrow{font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:11.5px;font-weight:500;
    letter-spacing:.14em;text-transform:uppercase;color:var(--text-3);
    display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
  .eyebrow::before{content:"";width:22px;height:1px;background:var(--accent);flex:none;}
  .mono{font-family:"IBM Plex Mono",ui-monospace,monospace;font-variant-numeric:tabular-nums;}
  .visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;}

  /* переключатель направлений компании */
  .topbar{background:var(--ink-bg);border-bottom:1px solid var(--ink-line);}
  .topbar-in{display:flex;align-items:center;gap:18px;min-height:38px;flex-wrap:wrap;}
  .tb-label{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.14em;
    text-transform:uppercase;color:var(--on-ink-2);}
  .topbar nav{display:flex;gap:20px;margin-left:auto;}
  .topbar a{font-size:12.5px;font-weight:500;text-decoration:none;color:var(--on-ink-2);
    padding:10px 0;border-bottom:2px solid transparent;transition:color .15s,border-color .15s;}
  .topbar a:hover{color:var(--on-ink);}
  .topbar a.on{color:var(--on-ink);border-bottom-color:var(--accent);}
  @media (max-width:560px){.tb-label{display:none;} .topbar nav{margin-left:0;gap:16px;}}

  /* ---------- header ---------- */
  .hdr{position:sticky;top:0;z-index:50;background:color-mix(in srgb, var(--bg) 88%, transparent);
    backdrop-filter:blur(10px);border-bottom:1px solid var(--line-soft);}
  .hdr-in{display:flex;align-items:center;gap:24px;min-height:64px;}
  .brandmark{display:flex;align-items:center;gap:11px;text-decoration:none;flex:none;}
  .brandmark .gi{width:34px;height:34px;flex:none;border-radius:10px;background:var(--grad);color:#FFFFFF;
    display:grid;place-items:center;font-family:Inter,sans-serif;font-weight:700;font-size:15px;}
  .brandmark b{font-family:Inter,sans-serif;font-size:19px;font-weight:700;display:block;
    line-height:1.05;text-transform:none;letter-spacing:-.01em;}
  .brandmark span{font-family:"IBM Plex Mono",monospace;font-size:10px;letter-spacing:.13em;text-transform:uppercase;color:var(--text-3);}
  .nav{display:flex;gap:22px;margin-left:auto;}
  .nav a{text-decoration:none;font-size:14.5px;font-weight:500;color:var(--text-2);
    padding:6px 0;border-bottom:1.5px solid transparent;transition:color .15s,border-color .15s;}
  .nav a:hover{color:var(--text);border-bottom-color:var(--accent);}
  .hdr-cta{margin-left:auto;flex:none;display:flex;align-items:center;gap:8px;
    font-family:"IBM Plex Mono",monospace;font-size:14px;font-weight:600;text-decoration:none;color:var(--text);
    border:1px solid var(--line);border-radius:8px;padding:8px 14px;transition:border-color .15s,background .15s;}
  .nav + .hdr-cta{margin-left:0;}
  .hdr-cta:hover{border-color:var(--accent);background:var(--accent-soft);}
  @media (max-width:900px){.nav{display:none;} .nav + .hdr-cta{margin-left:auto;}}
  @media (max-width:520px){.hdr-cta span{display:none;}}

  /* ---------- hero ---------- */
  .hero{background:radial-gradient(900px 460px at 76% 10%, rgba(20,28,36,.07), transparent 68%), var(--ink-bg);
    color:var(--on-ink);border-bottom:1px solid var(--ink-line);}
  .hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:center;padding-block:60px 52px;}
  .hero .eyebrow{color:var(--on-ink-2);}
  .hero h1{font-size:clamp(33px,5.2vw,55px);margin-top:18px;color:var(--on-ink);}
  .hero h1 em{font-style:normal;background:var(--grad-text);-webkit-background-clip:text;
    background-clip:text;color:transparent;}
  .hero-lead{margin-top:20px;max-width:52ch;color:var(--on-ink-2);font-size:16.5px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
  .btn{display:inline-flex;align-items:center;gap:9px;font-size:15px;font-weight:600;text-decoration:none;
    padding:12px 20px;border-radius:8px;border:1px solid transparent;transition:transform .12s,background .15s,border-color .15s;}
  .btn:active{transform:translateY(1px);}
  .btn-primary{background:var(--grad);color:#FFFFFF;box-shadow:0 8px 20px -10px rgba(20,28,36,.55);}
  .btn-primary:hover{filter:brightness(1.08);}
  .btn-ghost{border-color:var(--ink-line);color:var(--on-ink);}
  .btn-ghost:hover{border-color:var(--brand);background:var(--accent-soft);}
  .hero-brandline{display:flex;align-items:center;gap:14px;margin-top:30px;padding-top:20px;border-top:1px solid var(--ink-line);}
  .hero-brandline span{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.13em;
    text-transform:uppercase;color:var(--on-ink-2);max-width:15ch;line-height:1.5;}
  .hero-brandline img{width:150px;}
  .hero-shot{border:1px solid var(--ink-line);border-radius:8px;overflow:hidden;}
  .hero-shot img{width:100%;}
  .hero-shot figcaption{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.1em;
    text-transform:uppercase;color:var(--on-ink-2);padding:10px 14px;border-top:1px solid var(--ink-line);}

  .facts{border-top:1px solid var(--ink-line);}
  .facts-in{display:grid;grid-template-columns:repeat(4,1fr);}
  .fact{padding:20px 22px 22px;border-right:1px solid var(--ink-line);}
  .fact:last-child{border-right:0;}
  .fact b{display:block;font-family:Inter,sans-serif;font-size:29px;font-weight:700;color:var(--on-ink);line-height:1.1;font-variant-numeric:tabular-nums;}
  .fact span{display:block;margin-top:4px;font-size:13px;color:var(--on-ink-2);}
  @media (max-width:900px){
    .hero-grid{grid-template-columns:1fr;gap:32px;padding-block:42px 38px;}
    .facts-in{grid-template-columns:1fr 1fr;}
    .fact:nth-child(2n){border-right:0;}
    .fact:nth-child(-n+2){border-bottom:1px solid var(--ink-line);}
  }

  /* ---------- sections ---------- */
  section{padding-block:64px;}
  .sec-head{display:flex;justify-content:space-between;align-items:end;gap:28px;flex-wrap:wrap;margin-bottom:32px;}
  .sec-head h2{font-size:clamp(26px,3.4vw,38px);margin-top:14px;max-width:20ch;}
  .sec-head > div:first-child{flex:1 1 380px;}
  .sec-note{flex:0 1 340px;color:var(--text-2);font-size:14.5px;border-left:2px solid var(--accent);padding-left:16px;}

  .figure-wide{margin-bottom:36px;}
  .figure-wide img{width:100%;border:1px solid var(--img-frame);border-radius:8px;}
  .figure-wide figcaption{margin-top:10px;font-size:13.5px;color:var(--text-3);
    display:flex;gap:10px;align-items:baseline;}
  .figure-wide figcaption::before{content:"";width:18px;height:1px;background:var(--accent);flex:none;transform:translateY(-5px);}

  /* industries */
  .ind{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);}
  .ind article{background:var(--surface);display:flex;flex-direction:column;}
  .ind .shot{aspect-ratio:2/1;overflow:hidden;background:var(--surface-2);border-bottom:1px solid var(--line);}
  .ind .shot img{width:100%;height:100%;object-fit:cover;}
  .ind .body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:14px;flex:1;}
  .ind .code{font-family:"IBM Plex Mono",monospace;font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);}
  .ind h3{font-size:23px;}
  .ind p{color:var(--text-2);font-size:15px;}
  .ind .scen{border-top:1px dashed var(--line);padding-top:14px;margin-top:auto;display:flex;flex-direction:column;gap:7px;}
  .ind .scen li{font-size:14px;color:var(--text-2);display:flex;gap:9px;}
  .ind .scen li::before{content:"—";color:var(--accent);flex:none;}
  .ind .series{font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--text-3);line-height:1.7;}
  @media (max-width:820px){.ind{grid-template-columns:1fr;}}

  /* products */
  .prod{display:flex;flex-direction:column;border-top:1px solid var(--line);}
  .prod > article{border-bottom:1px solid var(--line);padding-block:30px;display:grid;grid-template-columns:230px minmax(0,1fr);gap:36px;}
  .p-side .shot{margin-bottom:16px;border:1px solid var(--tile-line);border-radius:10px;overflow:hidden;
    background:var(--tile);display:grid;place-items:center;height:212px;padding:18px 18px 24px;}
  .p-side .shot img{max-width:100%;max-height:170px;width:auto;height:auto;object-fit:contain;filter:var(--tile-shadow-soft);}
  .p-side h3{font-size:24px;}
  .p-side .tag{display:inline-block;margin-bottom:10px;font-family:"IBM Plex Mono",monospace;font-size:11px;
    letter-spacing:.12em;text-transform:uppercase;color:var(--brand);border:1px solid currentColor;border-radius:8px;padding:3px 8px;}
  .p-side p{margin-top:12px;font-size:14.5px;color:var(--text-2);}
  .rows{display:flex;flex-direction:column;}
  .row{display:grid;grid-template-columns:minmax(0,1fr) 210px;gap:20px;padding:11px 0;border-bottom:1px dashed var(--line-soft);align-items:baseline;}
  .row:last-child{border-bottom:0;}
  .row .name{font-weight:600;font-size:15px;}
  .row .name small{display:block;font-weight:400;font-size:13.5px;color:var(--text-2);margin-top:2px;}
  .row .spec{font-family:"IBM Plex Mono",monospace;font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums;text-align:right;}
  @media (max-width:820px){
    .prod > article{grid-template-columns:1fr;gap:18px;}
    .p-side{display:grid;grid-template-columns:150px minmax(0,1fr);gap:20px;align-items:start;}
    .p-side .shot{margin-bottom:0;}
    .row{grid-template-columns:1fr;gap:2px;}
    .row .spec{text-align:left;}
  }
  @media (max-width:520px){.p-side{grid-template-columns:1fr;}}

  /* spec drawers */
  details.spec-drawer{margin-top:16px;border-top:1px solid var(--line);padding-top:14px;}
  details.spec-drawer > summary{cursor:pointer;list-style:none;display:inline-flex;align-items:center;gap:9px;
    font-family:"IBM Plex Mono",monospace;font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--brand);}
  details.spec-drawer > summary::-webkit-details-marker{display:none;}
  details.spec-drawer > summary::before{content:"+";display:grid;place-items:center;width:16px;height:16px;flex:none;
    border:1px solid currentColor;border-radius:8px;font-size:12px;line-height:1;}
  details.spec-drawer[open] > summary::before{content:"–";}
  .tbl-wrap{overflow-x:auto;margin-top:14px;}
  .tbl-wrap table{border-collapse:collapse;width:100%;min-width:620px;font-size:13.5px;}
  .tbl-wrap th,.tbl-wrap td{text-align:right;padding:8px 12px;border-bottom:1px solid var(--line-soft);
    font-variant-numeric:tabular-nums;white-space:nowrap;}
  .tbl-wrap th:first-child,.tbl-wrap td:first-child{text-align:left;font-family:"IBM Plex Mono",monospace;font-size:13px;}
  .tbl-wrap thead th{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.07em;text-transform:uppercase;
    color:var(--text-3);border-bottom:1px solid var(--line);white-space:normal;line-height:1.3;}
  .tbl-wrap tbody tr:last-child td{border-bottom:0;}
  .drawer-note{margin-top:12px;font-size:13.5px;color:var(--text-2);}
  .kv{margin-top:14px;display:flex;flex-direction:column;}
  .kv li{display:grid;grid-template-columns:190px minmax(0,1fr);gap:18px;padding:9px 0;
    border-bottom:1px solid var(--line-soft);font-size:14.5px;}
  .kv li:last-child{border-bottom:0;}
  .kv .kk{font-family:"IBM Plex Mono",monospace;font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--text-3);padding-top:3px;}
  .kv .vv{color:var(--text-2);}
  @media (max-width:600px){.kv li{grid-template-columns:1fr;gap:2px;}}

  /* catalog cta */
  .cat-cta{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
    margin-top:34px;padding:26px 28px;border:1px solid var(--line);border-left:3px solid var(--accent);
    background:var(--surface);border-radius:8px;}
  .cat-cta h3{font-size:22px;}
  .cat-cta p{margin-top:8px;color:var(--text-2);font-size:14.5px;max-width:56ch;}
  .cat-cta .btn-cat{flex:none;display:inline-flex;align-items:center;gap:10px;text-decoration:none;
    font-size:15px;font-weight:600;padding:13px 22px;border-radius:8px;
    background:var(--grad);color:#FFFFFF;transition:filter .15s;}
  .cat-cta .btn-cat:hover{filter:brightness(1.08);}

  /* advantages */
  .adv-sec{background:var(--surface);border-block:1px solid var(--line);}
  .adv{display:grid;grid-template-columns:repeat(3,1fr);gap:28px 32px;}
  .adv article{display:flex;flex-direction:column;gap:9px;}
  .adv h4{font-size:19px;}
  .adv p{font-size:14.5px;color:var(--text-2);}
  .adv .ic{width:30px;height:30px;color:var(--accent);}
  @media (max-width:860px){.adv{grid-template-columns:1fr 1fr;}}
  @media (max-width:560px){.adv{grid-template-columns:1fr;}}

  .split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:center;margin-top:44px;
    padding-top:36px;border-top:1px solid var(--line);}
  .split img{width:100%;border:1px solid var(--img-frame);border-radius:8px;}
  .split h3{font-size:24px;margin-bottom:12px;}
  .split p{color:var(--text-2);font-size:15px;}
  .split .kv{margin-top:18px;}
  @media (max-width:820px){.split{grid-template-columns:1fr;gap:26px;}}

  /* partners marquee */
  .marquee{overflow:hidden;position:relative;padding-block:26px;
    border-block:1px solid var(--line);background:var(--bg);
    -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 7%,#000 93%,transparent 100%);
            mask-image:linear-gradient(90deg,transparent 0,#000 7%,#000 93%,transparent 100%);}
  .marquee-track{display:flex;width:max-content;animation:mq-slide 42s linear infinite;}
  .marquee:hover .marquee-track,.marquee:focus-within .marquee-track{animation-play-state:paused;}
  .marquee-row{display:flex;align-items:center;gap:64px;padding-right:64px;}
  .marquee-row li{display:grid;place-items:center;
    background:var(--logo-plate);border:1px solid var(--logo-plate-line);
    border-radius:10px;padding:11px 16px;min-height:56px;}
  .marquee-row img{max-height:32px;width:auto;}
  @keyframes mq-slide{from{transform:translateX(0);}to{transform:translateX(-50%);}}
  @media (max-width:640px){.marquee-row{gap:44px;padding-right:44px;} .marquee-row img{max-height:27px;}}

  /* приближение товара при наведении */
  .ser-ph,.ser-ph.multi figure,.cells figure,.p-side .shot,.ind .shot{overflow:hidden;}
  .ser-ph img,.ser-ph.multi figure img,.cells figure img,.p-side .shot img,.ind .shot img{
    transition:transform .38s cubic-bezier(.2,.7,.3,1);will-change:transform;}
  .ser-ph:hover img,.ser-ph.multi figure:hover img,.cells figure:hover img,
  .p-side .shot:hover img,.ind article:hover .shot img{transform:scale(1.08);}
  .ser-ph,.ser-ph.multi figure,.cells figure,.p-side .shot{
    transition:background .35s ease,border-color .35s ease,box-shadow .35s ease;}
  .ser-ph:hover,.ser-ph.multi figure:hover,.cells figure:hover,.p-side .shot:hover{
    background:#FFFFFF;border-color:rgba(20,24,27,.20);
    box-shadow:0 12px 30px -16px rgba(20,28,36,.40);}
  @media (prefers-reduced-motion: reduce){
    .ser-ph:hover img,.ser-ph.multi figure:hover img,.cells figure:hover img,
    .p-side .shot:hover img,.ind article:hover .shot img{transform:none;}
  }

  @media (prefers-reduced-motion: reduce){
    .marquee{-webkit-mask-image:none;mask-image:none;}
    .marquee-track{animation:none;width:100%;}
    .marquee-row{flex-wrap:wrap;justify-content:center;gap:38px;padding-right:0;}
    .marquee-row[aria-hidden="true"]{display:none;}
  }

  /* process */
  .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
  .steps li{background:var(--bg);padding:24px 22px;display:flex;flex-direction:column;gap:8px;}
  .steps .n{font-family:"IBM Plex Mono",monospace;font-size:12px;font-weight:600;color:var(--accent);letter-spacing:.08em;}
  .steps h4{font-size:18px;}
  .steps p{font-size:14px;color:var(--text-2);}
  @media (max-width:860px){.steps{grid-template-columns:1fr 1fr;}}
  @media (max-width:480px){.steps{grid-template-columns:1fr;}}

  /* maker */
  .maker-logo{height:34px;width:auto;margin-bottom:6px;}
  .maker{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:48px;align-items:start;}
  .maker p{color:var(--text-2);margin-bottom:14px;max-width:62ch;}
  .tl{border-left:1px solid var(--line);margin-top:26px;display:flex;flex-direction:column;}
  .tl li{position:relative;padding:9px 0 9px 22px;display:grid;grid-template-columns:60px minmax(0,1fr);gap:14px;align-items:baseline;font-size:14.5px;}
  .tl li::before{content:"";position:absolute;left:-3.5px;top:18px;width:6px;height:6px;border-radius:50%;background:var(--accent);}
  .tl .yr{font-family:"IBM Plex Mono",monospace;font-weight:600;color:var(--text);font-variant-numeric:tabular-nums;}
  .tl .ev{color:var(--text-2);}
  .certs{background:var(--bg);border:1px solid var(--line);padding:24px 22px;}
  .certs h4{font-size:17px;margin-bottom:14px;}
  .certs .chips{display:flex;flex-wrap:wrap;gap:7px;}
  .certs .chips span{font-family:"IBM Plex Mono",monospace;font-size:11.5px;letter-spacing:.05em;
    border:1px solid var(--line);border-radius:8px;padding:5px 9px;color:var(--text-2);}
  .certs .note{margin-top:16px;font-size:13px;color:var(--text-3);line-height:1.55;}
  @media (max-width:900px){.maker{grid-template-columns:1fr;gap:32px;}}

  /* contact */
  .contact{background:var(--ink-bg);color:var(--on-ink);}
  .contact .eyebrow{color:var(--on-ink-2);}
  .contact h2{color:var(--on-ink);font-size:clamp(26px,3.4vw,38px);margin-top:14px;}
  .ct-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:52px;margin-top:36px;align-items:start;}
  .ct-list{display:flex;flex-direction:column;}
  .ct-list a,.ct-list div{display:grid;grid-template-columns:96px minmax(0,1fr);gap:16px;align-items:baseline;
    padding:15px 0;border-bottom:1px solid var(--ink-line);text-decoration:none;}
  .ct-list .k{font-family:"IBM Plex Mono",monospace;font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--on-ink-2);}
  .ct-list .v{font-family:Inter,sans-serif;font-size:22px;font-weight:600;color:var(--on-ink);}
  .ct-list a:hover .v{color:var(--ink-accent);}
  .ct-list .v small{display:block;font-family:Inter,sans-serif;font-size:13.5px;font-weight:400;color:var(--on-ink-2);margin-top:2px;}

  form{background:var(--ink-surface);border:1px solid var(--ink-line);padding:26px 24px;display:flex;flex-direction:column;gap:14px;}
  form h3{font-size:20px;color:var(--on-ink);}
  form .hint{font-size:13.5px;color:var(--on-ink-2);margin-top:-6px;}
  .field{display:flex;flex-direction:column;gap:6px;}
  .field label{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--on-ink-2);}
  .field input,.field select,.field textarea{font-family:Inter,sans-serif;font-size:15px;
    background:#FFFFFF;color:var(--on-ink);border:1px solid var(--ink-line);border-radius:8px;padding:10px 12px;width:100%;}
  .field textarea{resize:vertical;min-height:76px;}
  .field input:focus-visible,.field select:focus-visible,.field textarea:focus-visible,
  a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--ink-accent);outline-offset:2px;}
  .field select option{background:#FFFFFF;color:#14181B;}
  .two{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
  @media (max-width:900px){.ct-grid{grid-template-columns:1fr;gap:32px;}}
  @media (max-width:480px){.two{grid-template-columns:1fr;}}

  footer{background:var(--ink-bg);color:var(--on-ink-2);border-top:1px solid var(--ink-line);padding-block:34px 34px;font-size:13px;}
  .brands{display:flex;align-items:center;gap:34px;flex-wrap:wrap;padding-bottom:26px;margin-bottom:24px;border-bottom:1px solid var(--ink-line);}
  .brands .lead{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--on-ink-2);}
  .brands img{opacity:.85;}
  .brands .vis{width:132px;}
  .brands .sub{height:19px;width:auto;filter:brightness(0);opacity:.5;}
  .brands .sub.tall{height:30px;}
  .ft{display:flex;justify-content:space-between;gap:22px;flex-wrap:wrap;line-height:1.6;}
  .ft a{color:var(--on-ink);text-decoration:none;}
  .ft a:hover{color:var(--ink-accent);}
  .ft .tm{max-width:60ch;}

  @media (prefers-reduced-motion: reduce){*{transition:none!important;animation:none!important;}}

  /* ===== из каталога ===== */

  :root{
    color-scheme:light;
    --bg:#FFFFFF; --surface:#F7F8FA; --surface-2:#EFF1F4;
    --text:#14181B; --text-2:#565E66; --text-3:#828A92;
    --line:#E2E5E9; --line-soft:#EDEFF2;
    --brand:#2B3238; --brand-2:#4A535B;
    --accent:#4A535B; --accent-soft:rgba(43,50,56,.06);
    --grad:linear-gradient(135deg,#4A535B 0%,#20262B 100%);
    --grad-text:linear-gradient(90deg,#20262B 0%,#78828B 100%);
    --grad-soft:linear-gradient(180deg,#FFFFFF 0%,#EFF2F5 100%);
    --ink-bg:#F5F7F9; --ink-surface:#FFFFFF; --ink-line:rgba(20,24,27,.11);
    --on-ink:#14181B; --on-ink-2:#565E66; --ink-accent:#2B3238;
    --img-frame:rgba(20,24,27,.10);
    --tile:linear-gradient(180deg,#F7F9FB 0%,#E9EDF1 100%);
    --tile-line:rgba(20,24,27,.10);
    --tile-shadow:drop-shadow(0 12px 20px rgba(20,28,36,.22));
    --tile-shadow-soft:drop-shadow(0 6px 12px rgba(20,28,36,.20));
    --logo-plate:transparent; --logo-plate-line:transparent;
    --r:10px;
  }

  *{box-sizing:border-box;}
  body{background:var(--bg);color:var(--text);
    font-family:Inter,"Segoe UI",Roboto,Arial,sans-serif;font-size:16px;line-height:1.6;
    -webkit-font-smoothing:antialiased;}
  h1,h2,h3,h4{font-family:Inter,"Segoe UI",Arial,sans-serif;font-weight:800;letter-spacing:-.018em;text-wrap:balance;margin:0;line-height:1.12;}
  p{margin:0;} a{color:inherit;} ul,ol{margin:0;padding:0;list-style:none;}
  figure{margin:0;} img{display:block;max-width:100%;height:auto;}
  .wrap{max-width:1120px;margin:0 auto;padding-inline:20px;}
  .eyebrow{font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:11.5px;font-weight:500;
    letter-spacing:.14em;text-transform:uppercase;color:var(--text-3);display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
  .eyebrow::before{content:"";width:22px;height:1px;background:var(--accent);flex:none;}
  .visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;}

  /* header */
  .hdr{position:sticky;top:0;z-index:50;background:color-mix(in srgb, var(--bg) 90%, transparent);
    backdrop-filter:blur(10px);border-bottom:1px solid var(--line-soft);}
  .hdr-in{display:flex;align-items:center;gap:20px;min-height:64px;}
  .brandmark{display:flex;align-items:center;gap:11px;text-decoration:none;flex:none;}
  .brandmark .gi{width:34px;height:34px;flex:none;border-radius:10px;background:var(--grad);color:#FFFFFF;
    display:grid;place-items:center;font-family:Inter,sans-serif;font-weight:700;font-size:15px;}
  .brandmark b{font-family:Inter,sans-serif;font-size:19px;font-weight:700;display:block;
    line-height:1.05;text-transform:none;letter-spacing:-.01em;}
  .brandmark span{font-family:"IBM Plex Mono",monospace;font-size:10px;letter-spacing:.13em;text-transform:uppercase;color:var(--text-3);}
  .nav{display:flex;gap:20px;margin-left:auto;align-items:center;}
  .nav a{text-decoration:none;font-size:14.5px;font-weight:500;color:var(--text-2);
    padding:6px 0;border-bottom:1.5px solid transparent;transition:color .15s,border-color .15s;}
  .nav a:hover{color:var(--text);border-bottom-color:var(--accent);}
  .nav a.back{color:var(--text);font-family:"IBM Plex Mono",monospace;font-size:13px;}
  .hdr-cta{margin-left:auto;flex:none;display:flex;align-items:center;gap:8px;
    font-family:"IBM Plex Mono",monospace;font-size:14px;font-weight:600;text-decoration:none;color:var(--text);
    border:1px solid var(--line);border-radius:8px;padding:8px 14px;transition:border-color .15s,background .15s;}
  .nav + .hdr-cta{margin-left:0;}
  .hdr-cta:hover{border-color:var(--accent);background:var(--accent-soft);}
  
  @media (max-width:620px){.nav{display:none;} .nav + .hdr-cta{margin-left:auto;}}
  @media (max-width:560px){.hdr-cta span{display:none;}}

  /* intro */
  .intro{background:radial-gradient(820px 400px at 80% 6%, rgba(20,28,36,.06), transparent 68%), var(--ink-bg);
    color:var(--on-ink);padding-block:48px 0;}
  .intro .eyebrow{color:var(--on-ink-2);}
  .intro h1{font-size:clamp(30px,4.6vw,48px);margin-top:16px;color:var(--on-ink);max-width:18ch;}
  .intro p.lead{margin-top:18px;max-width:62ch;color:var(--on-ink-2);font-size:16.5px;}
  .jump{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px;padding-bottom:36px;}
  .jump a{font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.06em;text-decoration:none;
    color:var(--on-ink);border:1px solid var(--ink-line);border-radius:8px;padding:8px 12px;transition:.15s;}
  .jump a:hover{border-color:var(--ink-accent);background:rgba(222,138,78,.10);color:var(--ink-accent);}


  /* сетка карточек товаров */
  .filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:26px;}
  .filters button{font-family:Inter,sans-serif;font-size:13.5px;font-weight:600;cursor:pointer;
    color:var(--text-2);background:transparent;border:1px solid var(--line);border-radius:999px;
    padding:9px 17px;transition:.18s;}
  .filters button:hover{border-color:var(--brand);color:var(--text);}
  .filters button.on{background:var(--grad);border-color:transparent;color:#FFFFFF;}
  .cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(214px,1fr));gap:16px;}
  .card{display:flex;flex-direction:column;text-decoration:none;border:1px solid var(--line);
    border-radius:12px;overflow:hidden;background:var(--surface);
    transition:border-color .25s,box-shadow .25s,transform .25s;}
  .card:hover{border-color:rgba(20,24,27,.22);box-shadow:0 16px 34px -20px rgba(20,28,36,.45);
    transform:translateY(-3px);}
  .card-ph{display:grid;place-items:center;height:186px;padding:16px 16px 22px;overflow:hidden;
    background:var(--tile);border-bottom:1px solid var(--line);transition:background .3s;}
  .card:hover .card-ph{background:#FFFFFF;}
  .card-ph img{max-width:100%;max-height:148px;width:auto;height:auto;object-fit:contain;filter:var(--tile-shadow-soft);
    transition:transform .38s cubic-bezier(.2,.7,.3,1);}
  .card:hover .card-ph img{transform:scale(1.08);}
  .card-body{padding:14px 15px 16px;display:flex;flex-direction:column;gap:5px;flex:1;}
  .card-tag{font-family:"IBM Plex Mono",monospace;font-size:10px;letter-spacing:.12em;
    text-transform:uppercase;color:var(--text-3);}
  .card-name{font-size:15px;font-weight:700;color:var(--text);line-height:1.25;letter-spacing:-.01em;}
  .card-spec{margin-top:auto;padding-top:9px;border-top:1px dashed var(--line-soft);
    font-family:"IBM Plex Mono",monospace;font-size:11.5px;color:var(--text-2);
    font-variant-numeric:tabular-nums;display:flex;justify-content:space-between;align-items:center;gap:8px;}
  .card-spec::after{content:"→";color:var(--brand);opacity:0;transition:opacity .2s;}
  .card:hover .card-spec::after{opacity:1;}
  .card[hidden]{display:none;}
  @media (max-width:520px){.cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;}
    .card-body{padding:12px;} .card-name{font-size:14px;}}

  /* sections */
  section{padding-block:60px;}
  .sec-head{margin-bottom:34px;}
  .sec-head h2{font-size:clamp(26px,3.4vw,36px);margin-top:12px;}
  .sec-head p{margin-top:12px;color:var(--text-2);max-width:64ch;font-size:15px;}

  /* series block */
  .ser{border-top:1px solid var(--line);padding-block:34px;}
  .ser:last-child{border-bottom:1px solid var(--line);}
  .ser-head{display:grid;grid-template-columns:260px minmax(0,1fr);gap:36px;align-items:start;}
  .ser-ph{background:var(--tile);border:1px solid var(--tile-line);border-radius:10px;
    display:grid;place-items:center;height:252px;padding:20px 20px 26px;}
  .ser-ph img{max-width:100%;max-height:206px;width:auto;height:auto;object-fit:contain;filter:var(--tile-shadow-soft);}
  .tag{display:inline-block;font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.12em;
    text-transform:uppercase;color:var(--brand);border:1px solid currentColor;border-radius:8px;padding:3px 8px;}
  .ser h3{font-size:26px;margin-top:11px;}
  .ser .model-code{font-family:"IBM Plex Mono",monospace;font-size:12.5px;color:var(--text-3);margin-top:6px;letter-spacing:.03em;}
  .ser-lead{margin-top:14px;color:var(--text-2);font-size:15px;max-width:62ch;}
  .feat{margin-top:16px;display:grid;grid-template-columns:1fr 1fr;gap:7px 24px;}
  .feat li{font-size:14px;color:var(--text-2);display:flex;gap:9px;line-height:1.5;}
  .feat li::before{content:"—";color:var(--accent);flex:none;}
  .quick{margin-top:18px;display:flex;flex-wrap:wrap;gap:0;border-top:1px solid var(--line-soft);}
  .quick li{padding:11px 22px 11px 0;margin-right:22px;border-right:1px solid var(--line-soft);}
  .quick li:last-child{border-right:0;margin-right:0;}
  .quick .k{display:block;font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.1em;
    text-transform:uppercase;color:var(--text-3);}
  .quick .v{display:block;font-family:Inter,sans-serif;font-size:19px;font-weight:600;margin-top:2px;
    font-variant-numeric:tabular-nums;}
  @media (max-width:860px){
    .ser-head{grid-template-columns:1fr;gap:22px;}
    .ser-ph{max-width:260px;}
    .feat{grid-template-columns:1fr;}
  }

  .ser-ph.multi{height:auto;background:transparent;border:0;padding:0;
    display:grid;grid-template-columns:1fr 1fr;gap:8px;}
  .ser-ph.multi figure{background:var(--tile);border:1px solid var(--tile-line);border-radius:10px;
    display:grid;place-items:center;height:118px;padding:12px 12px 16px;}
  .ser-ph.multi img{max-width:100%;max-height:90px;width:auto;height:auto;object-fit:contain;filter:var(--tile-shadow-soft);}
  .cells{display:grid;grid-template-columns:repeat(auto-fill,minmax(118px,1fr));gap:12px;margin-top:20px;}
  .cells figure{border:1px solid var(--tile-line);border-radius:10px;background:var(--tile);padding:14px 10px 10px;}
  .cells img{margin:0 auto;width:100%;height:92px;object-fit:contain;filter:var(--tile-shadow-soft);}
  .cells figcaption{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.04em;
    color:var(--text-3);margin-top:9px;text-align:center;}

  /* spec drawer + tables */
  details.spec-drawer{margin-top:22px;border-top:1px solid var(--line);padding-top:14px;}
  details.spec-drawer > summary{cursor:pointer;list-style:none;display:inline-flex;align-items:center;gap:9px;
    font-family:"IBM Plex Mono",monospace;font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--brand);}
  details.spec-drawer > summary::-webkit-details-marker{display:none;}
  details.spec-drawer > summary::before{content:"+";display:grid;place-items:center;width:16px;height:16px;flex:none;
    border:1px solid currentColor;border-radius:8px;font-size:12px;line-height:1;}
  details.spec-drawer[open] > summary::before{content:"–";}
  summary:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
  .tbl-wrap{overflow-x:auto;margin-top:16px;}
  .tbl-wrap table{border-collapse:collapse;width:100%;min-width:640px;font-size:13.5px;}
  .tbl-wrap th,.tbl-wrap td{text-align:right;padding:8px 12px;border-bottom:1px solid var(--line-soft);
    font-variant-numeric:tabular-nums;white-space:nowrap;}
  .tbl-wrap th:first-child,.tbl-wrap td:first-child{text-align:left;font-family:"IBM Plex Mono",monospace;font-size:12.5px;}
  .tbl-wrap thead th{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;
    color:var(--text-3);border-bottom:1px solid var(--line);white-space:normal;line-height:1.3;vertical-align:bottom;}
  .tbl-wrap tbody tr:last-child td{border-bottom:0;}
  .tbl-wrap tbody tr:hover td{background:var(--accent-soft);}
  .note{margin-top:12px;font-size:13px;color:var(--text-3);max-width:74ch;line-height:1.55;}

  /* simple rows for lithium/hydrogen */
  .rows{display:flex;flex-direction:column;border-top:1px solid var(--line);}
  .rows > div{display:grid;grid-template-columns:minmax(0,1fr) 230px;gap:20px;padding:13px 0;
    border-bottom:1px solid var(--line-soft);align-items:baseline;}
  .rows .name{font-weight:600;font-size:15.5px;}
  .rows .name small{display:block;font-weight:400;font-size:13.5px;color:var(--text-2);margin-top:2px;}
  .rows .spec{font-family:"IBM Plex Mono",monospace;font-size:12.5px;color:var(--text-3);text-align:right;font-variant-numeric:tabular-nums;}
  @media (max-width:700px){.rows > div{grid-template-columns:1fr;gap:2px;} .rows .spec{text-align:left;}}

  .kv{margin-top:16px;display:flex;flex-direction:column;}
  .kv li{display:grid;grid-template-columns:190px minmax(0,1fr);gap:18px;padding:9px 0;
    border-bottom:1px solid var(--line-soft);font-size:14.5px;}
  .kv li:last-child{border-bottom:0;}
  .kv .kk{font-family:"IBM Plex Mono",monospace;font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--text-3);padding-top:3px;}
  .kv .vv{color:var(--text-2);}
  @media (max-width:600px){.kv li{grid-template-columns:1fr;gap:2px;}}

  /* cta */
  .cta{background:var(--ink-bg);color:var(--on-ink);}
  .cta .eyebrow{color:var(--on-ink-2);}
  .cta h2{color:var(--on-ink);font-size:clamp(26px,3.4vw,36px);margin-top:14px;max-width:20ch;}
  .cta p{margin-top:16px;color:var(--on-ink-2);max-width:58ch;}
  .cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
  .btn{display:inline-flex;align-items:center;gap:9px;font-size:15px;font-weight:600;text-decoration:none;
    padding:12px 20px;border-radius:8px;border:1px solid transparent;transition:transform .12s,background .15s,border-color .15s;}
  .btn:active{transform:translateY(1px);}
  .btn-primary{background:var(--grad);color:#FFFFFF;box-shadow:0 8px 20px -10px rgba(20,28,36,.55);}
  .btn-primary:hover{filter:brightness(1.08);}
  .btn-ghost{border-color:var(--ink-line);color:var(--on-ink);}
  .btn-ghost:hover{border-color:var(--brand);background:var(--accent-soft);}

  footer{background:var(--ink-bg);color:var(--on-ink-2);border-top:1px solid var(--ink-line);padding-block:28px 34px;font-size:13px;}
  .ft{display:flex;justify-content:space-between;gap:22px;flex-wrap:wrap;line-height:1.6;}
  .ft a{color:var(--on-ink);text-decoration:none;}
  .ft a:hover{color:var(--ink-accent);}
  .ft .tm{max-width:58ch;}
  .ft img{width:112px;opacity:.85;margin-bottom:10px;}

  /* ===== общая навигация сайта ===== */
  .hdr-in{position:relative;}
  .nav{display:flex;gap:18px;margin-left:auto;align-items:center;}
  .nav a{text-decoration:none;font-size:14px;font-weight:500;color:var(--text-2);
    padding:6px 0;border-bottom:1.5px solid transparent;transition:color .15s,border-color .15s;}
  .nav a:hover{color:var(--text);border-bottom-color:var(--accent);}
  .nav a.on{color:var(--text);border-bottom-color:var(--brand);}
  .navtoggle{display:none;margin-left:auto;align-items:center;gap:8px;cursor:pointer;
    background:transparent;border:1px solid var(--line);border-radius:8px;padding:9px 13px;
    font-family:Inter,sans-serif;font-size:13px;font-weight:600;color:var(--text);}
  .navtoggle:hover{border-color:var(--brand);}
  @media (max-width:839px){
    .nav{display:none;position:absolute;top:calc(100% + 1px);left:-20px;right:-20px;z-index:60;
      background:var(--bg);border-bottom:1px solid var(--line);box-shadow:0 18px 30px -22px rgba(20,28,36,.5);
      flex-direction:column;align-items:stretch;gap:0;padding:6px 20px 14px;margin-left:0;}
    .nav.open{display:flex;}
    .nav a{padding:13px 0;border-bottom:1px solid var(--line-soft);font-size:15px;}
    .nav a:last-child{border-bottom:0;}
    .navtoggle{display:inline-flex;}
    .nav + .navtoggle{margin-left:auto;}
    .hdr-cta{margin-left:10px;}
  }
  @media (max-width:560px){.hdr-cta span{display:none;} .brandmark span span{display:none;}}

  /* ===== карточки проектов ===== */
  .projects{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px;}
  .proj{border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:22px 22px 24px;
    display:flex;flex-direction:column;gap:10px;transition:border-color .25s,box-shadow .25s,transform .25s;}
  .proj:hover{border-color:rgba(20,24,27,.20);box-shadow:0 16px 34px -22px rgba(20,28,36,.45);transform:translateY(-3px);}
  .proj .geo{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.12em;
    text-transform:uppercase;color:var(--accent);}
  .proj h3{font-size:19px;}
  .proj p{font-size:14.5px;color:var(--text-2);}
  .proj .meta{margin-top:auto;padding-top:12px;border-top:1px dashed var(--line-soft);
    display:flex;flex-wrap:wrap;gap:6px 14px;font-family:"IBM Plex Mono",monospace;font-size:11.5px;
    color:var(--text-3);font-variant-numeric:tabular-nums;}

  /* ===== вопросы и ответы ===== */
  .faq{display:flex;flex-direction:column;border-top:1px solid var(--line);}
  .faq details{border-bottom:1px solid var(--line);}
  .faq summary{cursor:pointer;list-style:none;display:flex;align-items:center;gap:14px;
    padding:18px 0;font-size:17px;font-weight:600;color:var(--text);}
  .faq summary::-webkit-details-marker{display:none;}
  .faq summary::before{content:"+";flex:none;display:grid;place-items:center;width:22px;height:22px;
    border:1px solid var(--line);border-radius:6px;color:var(--brand);font-size:14px;line-height:1;}
  .faq details[open] summary::before{content:"–";}
  .faq .ans{padding:0 0 20px 36px;color:var(--text-2);font-size:15px;max-width:76ch;}

  /* узкие экраны: шапка не должна распирать страницу */
  @media (max-width:600px){
    .hdr-in{gap:12px;}
    .brandmark b{font-size:15px;}
    .hdr-cta{font-size:13px;padding:8px 11px;letter-spacing:-.01em;}
    .navtoggle{font-size:0;padding:8px 12px;}
    .navtoggle::before{content:"\2630";font-size:17px;line-height:1;color:var(--text);}
  }
  @media (max-width:400px){
    .brandmark b{display:none;}
  }

  /* ===== меню из шести вкладок (все вкладки на всех страницах) ===== */
  .hdr{top:env(safe-area-inset-top,0px);}
  .nav a{white-space:nowrap;}
  @media (min-width:840px){
    .nav{gap:15px;}
    .nav a{font-size:13.5px;}
    .hdr-cta span{display:none;}
  }
  @media (max-width:839px){
    .nav{display:none;position:absolute;top:calc(100% + 1px);left:0;right:0;z-index:60;
      background:var(--bg);border-bottom:1px solid var(--line);box-shadow:0 18px 30px -22px rgba(20,28,36,.5);
      flex-direction:column;align-items:stretch;gap:0;padding:6px 20px 14px;margin-left:0;}
    .nav.open{display:flex;}
    .nav a{display:block;padding:13px 0;border-bottom:1px solid var(--line-soft);font-size:15px;}
    .nav a:last-child{border-bottom:0;}
    .navtoggle{display:inline-flex;}
    .nav + .navtoggle{margin-left:auto;}
    .hdr-cta{margin-left:10px;}
  }

  /* шесть вкладок помещаются в строку уже с 840px; «Позвонить» возвращаем с 960px */
  @media (min-width:960px){.hdr-cta span{display:inline;}}