:root{--gem-green:#087f5b;--gem-green-dark:#064e3b;--gem-mint:#dff8ee;--gem-blue:#123b8f;--gem-ink:#10212b;--gem-muted:#56656e;--gem-line:#dce7e3;--gem-paper:#f5faf8;--gem-white:#fff;--gem-shadow:0 18px 45px rgba(6,78,59,.12)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--gem-ink);font-family:Arial,Helvetica,sans-serif;line-height:1.58}
a{color:inherit}
img{display:block;max-width:100%;height:auto}
.ia-site-nav{position:sticky;top:0;z-index:1000;background:#071225;color:#fff;box-shadow:0 8px 28px rgba(7,18,37,.18)}
.ia-site-nav .ia-wrap{width:min(100%,1680px);min-height:78px;margin:0 auto;padding:8px clamp(14px,3vw,44px);display:grid;grid-template-columns:210px minmax(190px,260px) minmax(0,1fr);gap:18px;align-items:center}
.ia-brand{display:flex;width:210px;min-width:0;height:62px;padding:5px 10px;border-radius:10px;background:#fff;align-items:center;justify-content:center;overflow:hidden}
.ia-brand img{width:100%;height:100%;object-fit:contain}
.ia-search form{display:flex}.ia-search input{width:100%;height:40px;padding:0 12px;border:1px solid rgba(255,255,255,.25);border-radius:8px 0 0 8px;background:#fff;color:#111827}.ia-search button{width:44px;border:0;border-radius:0 8px 8px 0;background:#10b981;color:#fff;font-size:22px}
.ia-menu{display:flex;align-items:center;justify-content:flex-end;gap:5px;margin:0;padding:0;list-style:none}.ia-menu>li{position:relative}.ia-menu>li>a{display:flex;align-items:center;min-height:40px;padding:8px 9px;border-radius:8px;color:#fff;text-decoration:none;font-size:14px;white-space:nowrap}.ia-menu>li>a:hover{background:rgba(255,255,255,.12)}
.ia-dropdown,.btg-catalog-mega{display:none!important}.btg-nav-arrow{display:none}.ia-nav-extra{display:none}
.gem-page{overflow:hidden}.gem-wrap{width:min(1180px,calc(100% - 36px));margin:0 auto}.gem-breadcrumbs{display:flex;flex-wrap:wrap;gap:8px;padding:18px 0;color:#64748b;font-size:14px}.gem-breadcrumbs a{color:var(--gem-green);text-decoration:none}.gem-breadcrumbs span:before{content:"/";margin-right:8px;color:#a7b2b8}
.gem-hero{background:linear-gradient(135deg,#061d29 0%,#064e3b 58%,#0b8f67 100%);color:#fff;padding:clamp(48px,7vw,84px) 0}.gem-hero__grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(300px,.85fr);gap:clamp(28px,5vw,68px);align-items:center}.gem-kicker{margin:0 0 10px;color:#8ff2c9;font-size:13px;font-weight:800;letter-spacing:.09em;text-transform:uppercase}.gem-hero h1{max-width:820px;margin:0 0 18px;font-size:clamp(36px,5.4vw,64px);line-height:1.04;letter-spacing:-.025em}.gem-hero__lead{max-width:800px;margin:0 0 24px;color:#e7fff5;font-size:clamp(18px,2vw,22px)}
.gem-actions{display:flex;flex-wrap:wrap;gap:12px}.gem-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 18px;border:1px solid #fff;border-radius:10px;color:#fff;text-decoration:none;font-weight:800}.gem-btn--primary{border-color:#10b981;background:#10b981}.gem-btn--dark{border-color:#071225;background:#071225}.gem-btn--ghost{background:rgba(255,255,255,.08)}
.gem-hero__media{display:flex;align-items:center;justify-content:center;min-height:360px;padding:28px;border-radius:24px;background:#fff;box-shadow:0 25px 70px rgba(0,0,0,.28)}.gem-hero__media img{max-height:340px;object-fit:contain}
.gem-trust{display:flex;flex-wrap:wrap;gap:9px;margin-top:24px}.gem-trust span{padding:7px 11px;border:1px solid rgba(255,255,255,.28);border-radius:999px;background:rgba(255,255,255,.09);font-size:13px;font-weight:800}
.gem-section{padding:clamp(50px,7vw,82px) 0}.gem-section--soft{background:var(--gem-paper)}.gem-section--dark{background:#071d25;color:#fff}.gem-section h2{margin:0 0 14px;font-size:clamp(28px,3.7vw,43px);line-height:1.13;letter-spacing:-.02em}.gem-section__intro{max-width:850px;margin:0 0 30px;color:var(--gem-muted);font-size:18px}.gem-section--dark .gem-section__intro{color:#cfe6dd}
.gem-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.gem-card{display:flex;flex-direction:column;overflow:hidden;border:1px solid var(--gem-line);border-radius:18px;background:#fff;box-shadow:0 12px 30px rgba(15,23,42,.06)}.gem-card__image{display:flex;align-items:center;justify-content:center;min-height:250px;padding:22px;background:#fff}.gem-card__image img{width:100%;height:220px;object-fit:contain}.gem-card__body{display:flex;flex:1;flex-direction:column;padding:22px}.gem-card__tag{margin:0 0 7px;color:var(--gem-green);font-size:12px;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.gem-card h3{margin:0 0 9px;font-size:24px;line-height:1.1}.gem-card p{margin:0 0 18px;color:var(--gem-muted)}.gem-card__specs{display:flex;flex-wrap:wrap;gap:7px;margin:0 0 20px}.gem-card__specs span{padding:5px 8px;border-radius:6px;background:var(--gem-mint);color:#075d44;font-size:13px;font-weight:800}.gem-card__link{margin-top:auto;color:var(--gem-green);font-weight:900;text-decoration:none}.gem-card__link:hover{text-decoration:underline}
.gem-proof{display:grid;grid-template-columns:minmax(260px,.72fr) minmax(0,1.28fr);gap:34px;align-items:center}.gem-proof__preview{position:relative;overflow:hidden;border-radius:16px;background:#fff;box-shadow:var(--gem-shadow)}.gem-proof__preview img{width:100%;max-height:520px;object-fit:cover;object-position:top}.gem-proof__preview:after{content:"Письмо авторизации";position:absolute;left:14px;bottom:14px;padding:7px 10px;border-radius:8px;background:rgba(7,18,37,.9);color:#fff;font-size:13px;font-weight:800}.gem-proof__facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:24px 0}.gem-fact{padding:16px;border:1px solid var(--gem-line);border-radius:12px;background:#fff}.gem-fact b{display:block;color:var(--gem-green-dark);font-size:15px}.gem-fact span{color:var(--gem-muted);font-size:14px}
.gem-spec-layout{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(290px,.65fr);gap:28px;align-items:start}.gem-spec-table{width:100%;border-collapse:collapse;border:1px solid var(--gem-line);border-radius:14px;overflow:hidden;background:#fff}.gem-spec-table th,.gem-spec-table td{padding:14px 16px;border-bottom:1px solid var(--gem-line);text-align:left}.gem-spec-table th{width:44%;background:#f1f8f5;color:#173f33}.gem-spec-table tr:last-child th,.gem-spec-table tr:last-child td{border-bottom:0}.gem-note{padding:20px;border-left:4px solid #10b981;border-radius:0 12px 12px 0;background:#edfff7;color:#23483d}.gem-note p{margin:0}.gem-note p+p{margin-top:10px}
.gem-feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.gem-feature{padding:22px;border:1px solid var(--gem-line);border-radius:15px;background:#fff}.gem-feature strong{display:block;margin-bottom:8px;color:var(--gem-green-dark);font-size:18px}.gem-feature p{margin:0;color:var(--gem-muted)}
.gem-related{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.gem-related a{display:block;padding:17px;border:1px solid var(--gem-line);border-radius:12px;background:#fff;text-decoration:none}.gem-related b{display:block;color:var(--gem-green-dark)}.gem-related span{font-size:13px;color:var(--gem-muted)}
.gem-faq{display:grid;gap:10px}.gem-faq details{padding:17px 19px;border:1px solid var(--gem-line);border-radius:12px;background:#fff}.gem-faq summary{cursor:pointer;color:var(--gem-green-dark);font-weight:900}.gem-faq p{margin:12px 0 0;color:var(--gem-muted)}
.gem-cta{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:34px;border-radius:20px;background:linear-gradient(135deg,#064e3b,#0b8f67);color:#fff}.gem-cta h2{margin:0 0 8px;font-size:clamp(27px,3vw,39px)}.gem-cta p{max-width:720px;margin:0;color:#dcfff1}.gem-source{margin-top:24px;color:#687780;font-size:13px}.gem-source a{color:var(--gem-green)}
.btg-footer{margin-top:0;background:linear-gradient(135deg,#064e3b 0%,#059669 50%,#10b981 100%);color:#fff}.btg-footer a{color:#fff;text-decoration:none}.btg-footer__inner{width:min(1680px,100%);margin:0 auto;padding:42px clamp(24px,5vw,84px) 24px}.btg-footer__top{display:grid;grid-template-columns:minmax(300px,1.3fr) repeat(4,minmax(140px,.7fr));gap:28px}.btg-footer__brand{display:flex;gap:16px}.btg-footer__brand img{width:64px;height:64px;border-radius:12px;object-fit:contain;background:#fff}.btg-footer__brand strong{font-size:22px}.btg-footer__brand p{margin:6px 0;color:rgba(255,255,255,.82)}.btg-footer h3{margin:0 0 10px}.btg-footer__links{display:grid;gap:7px}.btg-footer__links a{font-size:14px;color:rgba(255,255,255,.86)}.btg-footer__contact{display:flex;flex-wrap:wrap;gap:7px;margin-top:16px}.btg-footer__chip{padding:8px 11px;border:1px solid rgba(255,255,255,.24);border-radius:999px}.btg-footer__bottom{display:flex;justify-content:space-between;gap:20px;margin-top:28px;padding-top:18px;border-top:1px solid rgba(255,255,255,.2);font-size:13px;color:rgba(255,255,255,.8)}.btg-footer__top>div:not(:first-child){text-align:center}.btg-footer__top>div:not(:first-child) .btg-footer__links{justify-items:center}.btg-footer-address{margin-top:16px}.btg-footer-address address{font-style:normal}
@media(max-width:1500px){.ia-site-nav{position:static}.ia-site-nav .ia-wrap{grid-template-columns:190px 1fr}.ia-search{display:none}.ia-menu{overflow-x:auto;justify-content:flex-start;padding-bottom:3px}.gem-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.btg-footer__top{grid-template-columns:1fr 1fr}.btg-footer__top>div:first-child{grid-column:1/-1}}
@media(max-width:780px){.ia-site-nav .ia-wrap{display:flex;align-items:center;overflow-x:auto;min-width:100%;padding:7px 12px}.ia-brand{flex:0 0 170px;width:170px;height:58px}.ia-menu{flex:0 0 auto}.gem-hero__grid,.gem-proof,.gem-spec-layout{grid-template-columns:1fr}.gem-hero__media{min-height:280px}.gem-grid,.gem-feature-grid{grid-template-columns:1fr}.gem-related{grid-template-columns:repeat(2,minmax(0,1fr))}.gem-proof__facts{grid-template-columns:1fr}.gem-cta{align-items:flex-start;flex-direction:column}.gem-cta .gem-btn{width:100%}}
@media(max-width:520px){.gem-wrap{width:min(100% - 24px,1180px)}.gem-hero h1{font-size:36px}.gem-actions .gem-btn{width:100%}.gem-related{grid-template-columns:1fr}.gem-card__image{min-height:220px}.gem-card__image img{height:190px}.btg-footer__top{grid-template-columns:1fr}.btg-footer__top>div:first-child{grid-column:auto}.btg-footer__top>div:not(:first-child){text-align:left}.btg-footer__top>div:not(:first-child) .btg-footer__links{justify-items:start}.btg-footer__brand{display:block}.btg-footer__bottom{flex-direction:column}}

/* Scoped final override: the shared contact script loads header CSS after this page. */
body.gem-site .ia-site-nav{position:sticky!important;top:0!important;left:auto!important;right:auto!important;overflow:visible!important;background:#071225!important;box-shadow:0 8px 28px rgba(7,18,37,.18)!important}
body.gem-site .ia-site-nav .ia-wrap{position:static!important;width:min(100%,1680px)!important;max-width:1680px!important;min-height:78px!important;margin:0 auto!important;padding:8px clamp(14px,3vw,44px)!important;display:grid!important;grid-template-columns:210px minmax(190px,260px) minmax(0,1fr)!important;justify-content:stretch!important;gap:18px!important;overflow:visible!important}
body.gem-site .ia-site-nav .ia-brand{position:static!important;left:auto!important;top:auto!important;order:initial!important;display:flex!important;transform:none!important;width:210px!important;min-width:0!important;height:62px!important;min-height:62px!important;padding:5px 10px!important;border-radius:10px!important;background:#fff!important;overflow:hidden!important}
body.gem-site .ia-site-nav .ia-brand img{display:block!important;width:100%!important;height:100%!important;max-width:100%!important;max-height:100%!important;padding:0!important;border-radius:0!important;background:#fff!important;object-fit:contain!important}
body.gem-site .ia-site-nav .ia-menu{position:static!important;order:initial!important;display:flex!important;width:auto!important;min-width:0!important;margin:0!important;padding:0!important;justify-content:flex-end!important;gap:5px!important;overflow-x:auto!important;scrollbar-width:none!important}
body.gem-site .ia-site-nav .ia-menu::-webkit-scrollbar{display:none!important}
body.gem-site .ia-site-nav .ia-menu>li>a{min-height:40px!important;padding:8px 9px!important;font-family:Arial,Helvetica,sans-serif!important;font-size:14px!important;line-height:1.2!important}
body.gem-site .ia-site-nav .ia-nav-extra{display:none!important}
@media(max-width:1500px){body.gem-site .ia-site-nav{position:static!important}body.gem-site .ia-site-nav .ia-wrap{grid-template-columns:190px minmax(0,1fr)!important}body.gem-site .ia-site-nav .ia-search{display:none!important}body.gem-site .ia-site-nav .ia-brand{width:190px!important}body.gem-site .ia-site-nav .ia-menu{justify-content:flex-start!important}}
@media(max-width:860px){body.gem-site .ia-site-nav{overflow-x:auto!important}body.gem-site .ia-site-nav .ia-wrap{display:flex!important;align-items:center!important;min-width:max-content!important;padding:7px 12px!important;gap:10px!important}body.gem-site .ia-site-nav .ia-brand{position:static!important;flex:0 0 150px!important;width:150px!important;min-width:150px!important;height:56px!important;min-height:56px!important}body.gem-site .ia-site-nav .ia-menu{flex:0 0 auto!important;overflow:visible!important}}
.project-hub__hero{padding:clamp(48px,7vw,78px) 0}.project-hub__hero .gem-hero__lead{max-width:820px}.project-featured{display:grid;grid-template-columns:minmax(300px,.82fr) minmax(0,1.18fr);align-items:stretch;overflow:hidden;border:1px solid var(--gem-line);border-radius:24px;background:#fff;box-shadow:var(--gem-shadow)}.project-featured__image{display:flex;min-height:430px;align-items:center;justify-content:center;padding:30px;background:linear-gradient(145deg,#f5faf8,#fff)}.project-featured__image img{width:100%;height:390px;object-fit:contain}.project-featured__body{display:flex;flex-direction:column;justify-content:center;padding:clamp(30px,5vw,64px)}.project-featured__body h2{margin:0 0 16px}.project-featured__body>p:not(.gem-card__tag){max-width:700px;margin:0 0 22px;color:var(--gem-muted);font-size:18px}.project-featured__trust{margin:0 0 28px}.project-featured__trust span{border-color:#b8decf;background:#eefaf5;color:#075d44}
@media(max-width:780px){.project-featured{grid-template-columns:1fr}.project-featured__image{min-height:300px}.project-featured__image img{height:280px}.project-featured__body{padding:28px 22px}}

/* Mobile adaptive pass for GEM Battery pages, 2026-09-16 */
html,body{max-width:100%;overflow-x:hidden}
@media(max-width:860px){
  body.gem-site .ia-site-nav{
    position:sticky!important;
    top:0!important;
    width:100%!important;
    height:auto!important;
    min-height:0!important;
    max-height:none!important;
    overflow:hidden!important;
    background:#071225!important;
    box-shadow:0 10px 24px rgba(7,18,37,.20)!important;
  }
  body.gem-site .ia-site-nav .ia-wrap{
    display:grid!important;
    grid-template-columns:1fr!important;
    width:100%!important;
    max-width:100%!important;
    min-width:0!important;
    height:auto!important;
    min-height:0!important;
    margin:0!important;
    padding:8px 12px 10px!important;
    gap:8px!important;
    overflow:hidden!important;
  }
  body.gem-site .ia-site-nav .ia-brand{
    position:static!important;
    display:flex!important;
    width:164px!important;
    min-width:0!important;
    height:54px!important;
    min-height:54px!important;
    flex:0 0 auto!important;
    margin:0!important;
    padding:5px 10px!important;
    transform:none!important;
    border-radius:10px!important;
    justify-self:start!important;
  }
  body.gem-site .ia-site-nav .ia-brand img{
    width:100%!important;
    height:100%!important;
    max-width:100%!important;
    max-height:100%!important;
    object-fit:contain!important;
  }
  body.gem-site .ia-site-nav .ia-search{display:none!important}
  body.gem-site .ia-site-nav .ia-menu{
    position:static!important;
    display:flex!important;
    width:100%!important;
    min-width:0!important;
    height:auto!important;
    max-height:none!important;
    flex:0 1 auto!important;
    gap:8px!important;
    margin:0!important;
    padding:0 0 2px!important;
    overflow-x:auto!important;
    overflow-y:hidden!important;
    transform:none!important;
    scrollbar-width:none!important;
    -webkit-overflow-scrolling:touch!important;
  }
  body.gem-site .ia-site-nav .ia-menu::-webkit-scrollbar{display:none!important}
  body.gem-site .ia-site-nav .ia-menu>li{
    display:flex!important;
    flex:0 0 auto!important;
    width:auto!important;
    height:auto!important;
    margin:0!important;
    padding:0!important;
    transform:none!important;
  }
  body.gem-site .ia-site-nav .ia-menu>li.ia-nav-extra{display:none!important}
  body.gem-site .ia-site-nav .ia-menu>li>a{
    display:inline-flex!important;
    align-items:center!important;
    min-height:34px!important;
    width:auto!important;
    padding:7px 10px!important;
    border:1px solid rgba(255,255,255,.16)!important;
    border-radius:999px!important;
    background:rgba(255,255,255,.08)!important;
    color:#fff!important;
    font-size:13px!important;
    font-weight:800!important;
    line-height:1.1!important;
    white-space:nowrap!important;
    transform:none!important;
  }
  body.gem-site .ia-site-nav .ia-dropdown,
  body.gem-site .ia-site-nav .btg-catalog-mega,
  body.gem-site .ia-site-nav .btg-solutions-mega{
    display:none!important;
  }
  .gem-breadcrumbs{padding:12px 0!important;font-size:13px!important}
  .gem-hero{padding:34px 0 40px!important}
  .gem-hero__grid,.gem-proof,.gem-spec-layout,.project-featured{grid-template-columns:1fr!important;gap:20px!important}
  .gem-hero h1{font-size:clamp(31px,9vw,40px)!important;line-height:1.06!important;letter-spacing:0!important}
  .gem-hero__lead,.gem-section__intro,.project-featured__body>p:not(.gem-card__tag){font-size:15px!important;line-height:1.62!important}
  .gem-actions{display:grid!important;grid-template-columns:1fr!important;gap:10px!important}
  .gem-btn{width:100%!important;min-height:46px!important;padding:11px 14px!important;text-align:center!important}
  .gem-hero__media{min-height:0!important;padding:18px!important;border-radius:16px!important}
  .gem-hero__media img{max-height:250px!important;width:100%!important;object-fit:contain!important}
  .gem-section{padding:40px 0!important}
  .gem-section h2{font-size:clamp(26px,8vw,34px)!important;line-height:1.1!important;letter-spacing:0!important}
  .gem-grid,.gem-feature-grid,.gem-related,.gem-proof__facts{grid-template-columns:1fr!important;gap:14px!important}
  .gem-card{border-radius:14px!important}
  .gem-card__image{min-height:190px!important;padding:16px!important}
  .gem-card__image img{height:178px!important;object-fit:contain!important}
  .gem-card__body{padding:18px!important}
  .gem-card h3{font-size:22px!important}
  .gem-spec-layout{overflow:hidden!important}
  .gem-spec-table{display:block!important;width:100%!important;overflow-x:auto!important;border-radius:12px!important}
  .gem-spec-table tbody{display:table!important;width:100%!important;min-width:520px!important}
  .gem-note,.gem-feature,.gem-faq details{border-radius:12px!important;padding:16px!important}
  .gem-cta{display:grid!important;grid-template-columns:1fr!important;gap:16px!important;padding:22px!important;border-radius:16px!important}
  .project-featured__image{min-height:230px!important;padding:18px!important}
  .project-featured__image img{height:220px!important;object-fit:contain!important}
  .project-featured__body{padding:24px 18px!important}
  .btg-footer__inner{padding:32px 18px 20px!important}
  .btg-footer__top{grid-template-columns:1fr!important;gap:22px!important}
  .btg-footer__top>div:first-child{grid-column:auto!important}
  .btg-footer__top>div:not(:first-child){text-align:left!important}
  .btg-footer__top>div:not(:first-child) .btg-footer__links{justify-items:start!important}
  .btg-footer__brand{display:block!important}
  .btg-footer__brand img{margin-bottom:12px!important}
  .btg-footer__bottom{flex-direction:column!important;align-items:flex-start!important;gap:10px!important}
}
@media(max-width:420px){
  .gem-wrap{width:min(100% - 24px,1180px)!important}
  body.gem-site .ia-site-nav .ia-brand{width:152px!important;height:50px!important;min-height:50px!important}
  body.gem-site .ia-site-nav .ia-menu>li>a{font-size:12px!important;padding:7px 9px!important}
  .gem-card__specs span{font-size:12px!important}
}

/* GEM mobile nav row correction, 2026-09-16 */
@media(max-width:860px){
  body.gem-site .ia-site-nav .ia-wrap{
    align-items:start!important;
    align-content:start!important;
  }
  body.gem-site .ia-site-nav .ia-menu{
    flex-direction:row!important;
    flex-wrap:nowrap!important;
    align-items:center!important;
    align-content:center!important;
    justify-content:flex-start!important;
    height:36px!important;
    min-height:36px!important;
    max-height:36px!important;
  }
  body.gem-site .ia-site-nav .ia-menu>li,
  body.gem-site .ia-site-nav .ia-menu>li:not(.ia-nav-extra){
    width:auto!important;
    min-width:0!important;
    max-width:none!important;
    height:34px!important;
    min-height:34px!important;
    max-height:34px!important;
    flex:0 0 auto!important;
  }
  body.gem-site .ia-site-nav .ia-menu>li>a,
  body.gem-site .ia-site-nav .ia-menu>li:not(.ia-nav-extra)>a{
    width:auto!important;
    min-width:0!important;
    max-width:none!important;
    height:34px!important;
    min-height:34px!important;
    max-height:34px!important;
  }
}