@font-face{font-family:Play;src:url(../fonts/play_normal.woff) format("woff");font-weight:400;font-display:swap}
@font-face{font-family:Play;src:url(../fonts/play_bold.woff) format("woff");font-weight:700;font-display:swap}
@font-face{font-family:"Open Sans";src:url(../fonts/open_sans_normal.woff) format("woff");font-weight:400;font-display:swap}
@font-face{font-family:"Open Sans";src:url(../fonts/open_sans_light.woff) format("woff");font-weight:300;font-display:swap}
@font-face{font-family:Roboto;src:url(../fonts/roboto_bold.woff) format("woff");font-weight:700;font-display:swap}
@font-face{font-family:Rubik;src:url(../fonts/rubik-700-cyr.woff2) format("woff2");font-weight:700;font-display:swap;unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:Rubik;src:url(../fonts/rubik-700-lat.woff2) format("woff2");font-weight:700;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

:root{
  --blue:#030bff;
  --blue-h:#0000cd;
  --blue-dark:#0c499e;
  --phone:#3288e6;
  --nav:#333;
  --line:#969696;
  --border:#ccc;
  --text:#000;
  --muted:#555;
  --wrap:980px;
  --nav-h:52px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 12px);-webkit-text-size-adjust:100%}
body{margin:0;font-family:Play,Arial,sans-serif;font-size:16px;line-height:1.45;color:var(--text);background:#fff;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue)}
h1,h2,h3{font-weight:400;margin:0}
button,input,textarea{font:inherit}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 16px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* buttons */
.btn-solid{display:inline-flex;align-items:center;justify-content:center;min-height:38px;padding:6px 16px;border:0;border-radius:4px;background:var(--blue);color:#fff;font-family:Rubik,Arial,sans-serif;font-weight:700;font-size:16px;text-decoration:none;cursor:pointer;transition:background .15s}
.btn-solid:hover{background:var(--blue-h)}
.btn-line{display:inline-flex;align-items:center;justify-content:center;min-height:36px;padding:5px 15px;border:2px solid var(--blue);border-radius:4px;background:#fff;color:var(--blue);font-family:Arial,sans-serif;font-size:16px;text-decoration:none;cursor:pointer;transition:background .15s,color .15s}
.btn-line:hover{background:var(--blue);color:#fff}
.btn-solid:focus-visible,.btn-line:focus-visible,.nav a:focus-visible{outline:3px solid #ffb400;outline-offset:2px}

/* header */
.hdr{background:#fff}
.hdr__in{display:flex;align-items:center;gap:24px;padding-top:10px;padding-bottom:10px}
.hdr__logo{flex:0 0 auto;width:147px}
.hdr__contacts{display:flex;flex-direction:column;font-size:13px;line-height:1.3}
.hdr__phone{font-size:26px;color:var(--phone);text-decoration:none;line-height:1.25}
.hdr__mail{color:#000;text-decoration:none;margin-top:4px}
.hdr__phone:hover,.hdr__mail:hover{text-decoration:underline}
.hdr__btn{margin-left:auto}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:var(--nav)}
.nav__in{display:flex;align-items:center;min-height:var(--nav-h)}
.nav__list{display:flex;justify-content:space-between;flex:1;list-style:none;margin:0;padding:0;gap:8px}
.nav__list a{display:block;padding:12px 4px;color:#fff;font-weight:700;font-size:20px;text-decoration:none;white-space:nowrap}
.nav__list a:hover{color:#cfd3ff}
.nav__toggle{display:none;align-items:center;gap:10px;background:none;border:0;color:#fff;font-weight:700;font-size:18px;padding:12px 0;cursor:pointer}
.nav__burger,.nav__burger::before,.nav__burger::after{display:block;width:24px;height:3px;background:#fff;border-radius:2px;position:relative;transition:transform .2s}
.nav__burger::before,.nav__burger::after{content:"";position:absolute;left:0}
.nav__burger::before{top:-8px}.nav__burger::after{top:8px}
.nav__phone{display:none;margin-left:auto;color:#fff;font-weight:700;text-decoration:none;font-size:18px}
.page-sec .nav__list{justify-content:space-around}
.page-sec .nav__list a{font-size:17px;white-space:normal;text-align:center;line-height:1.2;padding:8px 4px}

/* generic */
.divider{height:2px;background:var(--line);border:0;margin:0}
.sec-title{text-align:center;font-size:52px;line-height:1.15;padding:26px 0}
.sec-title--md{font-size:40px;text-transform:uppercase;text-align:left;padding:28px 0 20px}
.sec-title--b{font-weight:700;font-size:32px;padding:30px 0 20px}

/* slider */
.slider{position:relative}
.slider__viewport{overflow:hidden;border-radius:inherit}
.slider__track{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;scrollbar-width:none;-ms-overflow-style:none}
.slider__track::-webkit-scrollbar{display:none}
.slider__slide{flex:0 0 100%;scroll-snap-align:start;min-width:0}
.slider__arrow{position:absolute;top:50%;transform:translateY(-50%);width:36px;height:56px;border:0;background:none;cursor:pointer;padding:0;z-index:2;color:#000;opacity:.75}
.slider__arrow:hover{opacity:1}
.slider__arrow svg{width:100%;height:100%;stroke:currentColor;fill:none;stroke-width:2}
.slider__arrow--prev{left:-44px}.slider__arrow--next{right:-44px}
.slider__arrow[disabled]{opacity:.2;cursor:default}
.slider__dots{display:flex;justify-content:center;gap:8px;padding:10px 0 0}
.slider__dots button{width:9px;height:9px;padding:0;border:0;border-radius:50%;background:#bfbfbf;cursor:pointer}
.slider__dots button[aria-current]{background:#000}
.slider--inner .slider__arrow{width:26px;height:40px;color:#fff;filter:drop-shadow(0 0 2px rgba(0,0,0,.7))}
.slider--inner .slider__arrow--prev{left:6px}.slider--inner .slider__arrow--next{right:6px}
.slider--light .slider__arrow{color:#999;filter:none}

/* banner */
.banner{margin:30px 0 26px}
.banner .slider__viewport{border:3px solid #030303;border-radius:5px;padding:16px 20px;background:#fff}
.banner img{width:100%;aspect-ratio:953/316;object-fit:contain}

/* catalog background decorations */
.catalog{position:relative}
.catalog--home{background:url(/img/bg_building_right.png) 100% 0/auto no-repeat}
.catalog--sec{background:#555 var(--sec-bg) 50% 0/cover no-repeat fixed}
.catalog--sec .banner{margin-top:30px}
.catalog--sec .divider{background:#c8c8c8}
.catalog--sec .sec-title{background:#fff;border-radius:6px;font-size:40px;padding:8px 16px;margin:14px 0}
@media (max-width:1240px){.catalog--home{background-image:none}}
@media (hover:none),(max-width:1024px){.catalog--sec{background-attachment:scroll}}

/* product */
.prod{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px 34px;align-items:center;padding:36px 0}
.prod + .divider{margin:0}
.prod__media .slider__slide{display:flex;align-items:center;justify-content:center;aspect-ratio:4/3;background:#fff}
.prod__media img{max-height:100%;width:auto;max-width:100%;object-fit:contain;cursor:zoom-in}
.prod__title{font-size:28px;line-height:1.2;margin:0 0 12px}
.spec h4{margin:12px 0 2px;color:var(--blue-h);font-weight:700;font-size:18px;line-height:1.25}
.spec h4:first-child{margin-top:0}
.spec ul{list-style:none;margin:0;padding:0;font-size:14px;line-height:1.45}
.spec li{position:relative;padding-left:12px}
.spec li::before{content:"";position:absolute;left:1px;top:.62em;width:4px;height:4px;border-radius:50%;background:currentColor}
.prod__foot{border-top:1px solid #ccc;margin-top:16px;padding-top:16px}
.prod__price{text-align:right;font-size:24px;margin:0 0 14px}
.prod__btns{display:flex;flex-wrap:wrap;gap:10px}
.page-sec .prod__btns{justify-content:flex-end}
.page-sec .prod{background:#fff;border-radius:6px;padding:30px;margin:24px 0}

/* advantages */
.adv{background:url(/img/bg_texture.jpg) repeat;padding:34px 0}
.adv__grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px 24px;list-style:none;margin:0;padding:0}
.adv__item{display:flex;align-items:center;gap:22px;font-size:16px;line-height:1.4}
.adv__item img{width:62px;height:62px;flex:0 0 62px;object-fit:contain}

/* production */
.prodn{background:url(/img/bg_building_left.png) 0 0/auto no-repeat;padding-bottom:34px}
.prodn__top{display:flex;align-items:center;justify-content:center;gap:40px;flex-wrap:wrap;margin-bottom:26px}
.prodn__main{max-width:440px}
.prodn__badge{max-width:150px}
.prodn__grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;align-items:center}
.prodn__grid img{margin:0 auto;max-height:170px;width:auto}
@media (max-width:1240px){.prodn{background-image:none}}

/* certificates */
.certs{background:#f2f2f2;border-top:24px solid #999;border-bottom:24px solid #999;padding:8px 0 26px}
.certs .sec-title--md{text-align:center}
.carousel .slider__slide{flex:0 0 25%;padding:0 10px}
.cert{margin:0;text-align:center}
.cert figcaption{font-size:18px;line-height:1.3;min-height:2.6em;display:flex;align-items:flex-end;justify-content:center;margin-bottom:12px}
.cert img{margin:0 auto;box-shadow:0 1px 4px rgba(0,0,0,.25);cursor:zoom-in;aspect-ratio:232/328;object-fit:cover;background:#fff}

/* guarantees */
.gar{background:url(/img/bg_texture.jpg) repeat;padding:30px 0}
.gar__box{border:3px solid #030303;border-radius:5px;background:#fff;padding:20px 40px}
.gar__item{display:flex;align-items:center;gap:30px;max-width:560px;padding:10px 0}
.gar__item img{width:96px;flex:0 0 96px}
.gar__item h3{color:var(--blue);font-weight:700;font-size:20px;margin-bottom:6px}
.gar__item p{margin:0;font-size:16px}
.gar__item--r{margin-left:auto;flex-direction:row-reverse;text-align:right}

/* works */
.works__box{border:3px solid #030303;border-radius:5px;padding:20px 36px}
.work{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;align-items:center;padding:20px 0}
.work + .work{margin-top:30px}
.work__media .slider__slide{aspect-ratio:4/3}
.work__media img{width:100%;height:100%;object-fit:cover;cursor:zoom-in}
.work__title{font-size:22px;line-height:1.4;padding-bottom:14px;border-bottom:1px solid #000;margin-bottom:14px}
.work__kind{color:var(--blue);margin:0 0 4px}
.work ul{list-style:none;margin:0;padding:0}
.work li::before{content:"– "}
.work--r .work__media{order:2}
.work--r .work__text{text-align:right}

/* clients */
.clients{padding-bottom:40px}
.clients .sec-title{font-size:32px;padding:46px 0 24px}
.clients .slider__slide{flex:0 0 calc(100% / 6);display:flex;align-items:center;justify-content:center;padding:0 8px;height:110px}
.clients img{max-height:96px;width:auto;object-fit:contain}

/* consultation */
.cons{background:#f7f7f7 url(/img/bg_cons.png) repeat-x;padding:10px 0 50px}
.cons .sec-title{font-size:35px;padding:26px 0 22px}
.cons__card{background:#fff;border:1px solid #ccc;border-radius:5px;padding:20px 18px}
.cons__card h3{font-family:Roboto,Arial,sans-serif;font-weight:700;font-size:20px;text-align:center;margin-bottom:12px}
.cons__row{display:grid;grid-template-columns:1fr 1fr auto;grid-template-areas:"name phone btn" "consent consent consent";gap:4px 16px;align-items:end}
.cons__row .field:nth-child(1){grid-area:name}
.cons__row .field:nth-child(2){grid-area:phone}
.cons__row .consent{grid-area:consent;margin-top:8px}
.cons__row .btn-solid{grid-area:btn;min-width:150px;margin-bottom:0}

/* forms */
.form{font-family:"Open Sans",Arial,sans-serif;font-size:14px}
.field{display:flex;flex-direction:column;gap:3px;margin-bottom:10px}
.field span{font-size:13px;font-weight:300;color:#000}
.field b{color:#e00;font-weight:400}
.field input,.field textarea{width:100%;border:1px solid #bbb;border-radius:3px;padding:7px 9px;font-size:15px;background:#fff;color:#000}
.field input:focus,.field textarea:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 2px rgba(3,11,255,.15)}
.field textarea{min-height:70px;resize:vertical}
.cons__row .field{margin-bottom:0}
.consent{display:flex;gap:8px;align-items:flex-start;margin:12px 0 0;font-size:13px;line-height:1.35;cursor:pointer}
.consent input{margin:2px 0 0;width:16px;height:16px;flex:0 0 16px;accent-color:var(--blue)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.form__msg{margin:10px 0 0;font-size:14px}
.form__msg--ok{color:#0a7a2f}
.form__msg--err{color:#c00}
.form [type=submit][disabled]{opacity:.6;cursor:wait}

/* contacts */
.contacts{position:relative;min-height:470px;background:#e8e8e8}
.contacts__map{position:absolute;inset:0;border:0;width:100%;height:100%}
.contacts .wrap{position:relative;pointer-events:none;padding-top:40px;padding-bottom:40px}
.contacts__card{pointer-events:auto;width:340px;max-width:100%;background:var(--blue-dark);color:#fff;padding:24px 22px 28px;font-family:"Open Sans",Arial,sans-serif;font-size:13px;line-height:1.45}
.contacts__card h2{font-family:Play,Arial,sans-serif;font-size:22px;margin-bottom:14px}
.contacts__card a{color:#fff;text-decoration:none}
.contacts__card a:hover{text-decoration:underline}
.contacts__logo{width:60px;margin:0 0 10px 30px}
.contacts__org{font-family:Rubik,Arial,sans-serif;font-weight:700;font-size:16px}
.contacts__card p{margin:0 0 14px}
.contacts__q{font-family:Play,Arial,sans-serif;font-size:15px;margin:22px 0 0}
.contacts__phone{display:block;font-family:Play,Arial,sans-serif;font-weight:700;font-size:34px;line-height:1.2}

/* footer */
.ftr{background:var(--blue-dark);color:#fff;font-size:14px}
.ftr__in{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 30px;padding-top:18px;padding-bottom:18px}
.ftr a{color:#fff}
.ftr__links{display:flex;flex-wrap:wrap;gap:6px 18px;list-style:none;margin:0;padding:0}
.ftr__links a{text-decoration:none}
.ftr__links a:hover{text-decoration:underline}

/* modal */
.modal{border:0;padding:0;border-radius:6px;width:min(440px,calc(100vw - 24px));max-height:calc(100dvh - 24px);box-shadow:0 10px 40px rgba(0,0,0,.35)}
.modal::backdrop{background:rgba(0,0,0,.55)}
.modal__in{padding:28px 26px 24px;position:relative}
.modal__close{position:absolute;top:6px;right:8px;width:36px;height:36px;border:0;background:none;font-size:30px;line-height:1;cursor:pointer;color:#666}
.modal__close:hover{color:#000}
.modal__title{font-size:26px;text-align:center;margin:0 0 6px}
.modal__sub{text-align:center;font-size:15px;color:var(--muted);margin:0 0 16px}
.modal__icon{width:72px;margin:0 auto 10px}
.modal .btn-solid{width:100%;margin-top:14px;min-height:44px}

/* lightbox */
.lb{border:0;padding:0;background:transparent;max-width:100vw;max-height:100dvh;width:100vw;height:100dvh}
.lb::backdrop{background:rgba(0,0,0,.85)}
.lb__img{max-width:92vw;max-height:88dvh;width:auto;height:auto;margin:auto;position:absolute;inset:0;background:#fff}
.lb__close{position:fixed;top:10px;right:14px;font-size:40px;color:#fff;background:none;border:0;cursor:pointer;z-index:2}

/* text pages */
.text-page{padding:30px 0 50px;font-family:"Open Sans",Arial,sans-serif;font-size:15px;line-height:1.6}
.text-page h1{font-family:Play,Arial,sans-serif;font-size:34px;margin:0 0 20px}
.text-page h2{font-family:Play,Arial,sans-serif;font-size:22px;margin:26px 0 8px}

/* ---------- adaptive ---------- */
@media (max-width:1080px){
  .slider__arrow--prev{left:-8px}.slider__arrow--next{right:-8px}
  .slider__arrow{width:28px;height:44px}
  .banner .slider__viewport{padding:10px 12px}
  .carousel .slider__slide{flex-basis:calc(100% / 3)}
}
@media (max-width:900px){
  .nav__list a{font-size:16px}
  .page-sec .nav__list a{font-size:14px}
  .sec-title{font-size:40px}
  .sec-title--md{font-size:30px}
  .prod{gap:20px 24px}
  .clients .slider__slide{flex-basis:25%}
  .gar__box{padding:16px 20px}
  .works__box{padding:16px 20px}
}
@media (max-width:760px){
  :root{--nav-h:48px}
  .hdr__in{flex-wrap:wrap;gap:10px 16px}
  .hdr__logo{width:108px}
  .hdr__phone{font-size:22px}
  .hdr__btn{margin-left:0;flex:1 1 100%;min-height:42px}
  .nav__toggle{display:inline-flex}
  .nav__phone{display:block}
  .nav__list{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;gap:0;background:var(--nav);padding:4px 16px 12px;box-shadow:0 8px 16px rgba(0,0,0,.3)}
  .nav.is-open .nav__list{display:flex}
  .nav__list a,.page-sec .nav__list a{font-size:18px;padding:11px 0;border-top:1px solid #4a4a4a;white-space:normal}
  .nav.is-open .nav__burger{background:transparent}
  .nav.is-open .nav__burger::before{transform:translateY(8px) rotate(45deg)}
  .nav.is-open .nav__burger::after{transform:translateY(-8px) rotate(-45deg)}
  .nav__in{position:relative}

  .banner{margin:16px 0}
  .banner .slider__viewport{border-width:2px;padding:6px}
  .slider__arrow--prev{left:-4px}.slider__arrow--next{right:-4px}
  .sec-title{font-size:30px;padding:18px 0}
  .sec-title--md{font-size:24px;text-align:center}
  .sec-title--b{font-size:26px}
  .catalog--sec .sec-title{font-size:28px}

  .prod{grid-template-columns:minmax(0,1fr);padding:26px 0}
  .page-sec .prod{padding:18px 16px;margin:16px 0}
  .prod__title{font-size:26px;text-align:center}
  .prod__price{text-align:center}
  .prod__btns,.page-sec .prod__btns{justify-content:center}
  .prod__btns .btn-line{flex:1 1 200px}

  .adv__grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px 14px}
  .adv__item{flex-direction:column;text-align:center;gap:10px;font-size:15px}
  .adv__item img{width:52px;height:52px;flex-basis:auto}

  .prodn__top{gap:16px}
  .prodn__main{max-width:70%}
  .prodn__badge{max-width:24%}
  .prodn__grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}

  .certs{border-width:14px}
  .carousel .slider__slide{flex-basis:50%;padding:0 6px}
  .cert figcaption{font-size:15px}

  .gar__box{padding:10px 14px}
  .gar__item,.gar__item--r{gap:16px;flex-direction:row;text-align:left;margin-left:0}
  .gar__item img{width:64px;flex-basis:64px}
  .gar__item h3{font-size:18px}

  .works__box{border-width:2px;padding:6px 14px}
  .work,.work--r{grid-template-columns:minmax(0,1fr);gap:14px}
  .work--r .work__media{order:0}
  .work--r .work__text{text-align:left}
  .work + .work{margin-top:10px;border-top:1px solid #ddd}
  .work__title{font-size:20px}

  .clients .sec-title{font-size:28px;padding:30px 0 16px}
  .clients .slider__slide{flex-basis:calc(100% / 3);height:90px}
  .clients img{max-height:76px}

  .cons .sec-title{font-size:28px}
  .cons__row{grid-template-columns:minmax(0,1fr);grid-template-areas:"name" "phone" "consent" "btn";gap:10px}
  .cons__row .consent{margin:0}
  .cons__row .btn-solid{width:100%;min-height:44px}
  .cons__card h3{font-size:18px}

  .contacts{min-height:0;display:flex;flex-direction:column-reverse}
  .contacts__map{position:static;height:300px}
  .contacts .wrap{padding:0;max-width:none;margin:0;width:100%}
  .contacts__card{width:100%;text-align:center}
  .contacts__logo{margin:0 auto 10px}
  .contacts__phone{font-size:30px}
  .ftr__in{flex-direction:column;align-items:flex-start}
}
@media (max-width:380px){
  .hdr__phone{font-size:20px}
  .adv__item{font-size:14px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.slider__track{scroll-behavior:auto}}