/* Российское тепло — стили по макетам Figma (2026). Сборка: src/build.py */
@font-face{font-family:"Open Sans";font-style:normal;font-weight:400;font-display:swap;src:url(../fonts/open-sans-cyrillic-400-normal.woff2) format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Open Sans";font-style:normal;font-weight:400;font-display:swap;src:url(../fonts/open-sans-latin-400-normal.woff2) format("woff2");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+20BD,U+2122,U+2190-2199,U+2212,U+2215}
@font-face{font-family:"Open Sans";font-style:normal;font-weight:500;font-display:swap;src:url(../fonts/open-sans-cyrillic-500-normal.woff2) format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Open Sans";font-style:normal;font-weight:500;font-display:swap;src:url(../fonts/open-sans-latin-500-normal.woff2) format("woff2");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+20BD,U+2122,U+2190-2199,U+2212,U+2215}
@font-face{font-family:"Open Sans";font-style:normal;font-weight:600;font-display:swap;src:url(../fonts/open-sans-cyrillic-600-normal.woff2) format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Open Sans";font-style:normal;font-weight:600;font-display:swap;src:url(../fonts/open-sans-latin-600-normal.woff2) format("woff2");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+20BD,U+2122,U+2190-2199,U+2212,U+2215}
@font-face{font-family:"Open Sans";font-style:normal;font-weight:700;font-display:swap;src:url(../fonts/open-sans-cyrillic-700-normal.woff2) format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Open Sans";font-style:normal;font-weight:700;font-display:swap;src:url(../fonts/open-sans-latin-700-normal.woff2) format("woff2");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+20BD,U+2122,U+2190-2199,U+2212,U+2215}
@font-face{font-family:"Open Sans";font-style:normal;font-weight:800;font-display:swap;src:url(../fonts/open-sans-cyrillic-800-normal.woff2) format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}

:root{
  --orange:#ff4b00; --orange-d:#e24300; --black:#000; --ink:#141414; --gray:#8c8c8c; --gray-2:#a3a3a3;
  --line:rgba(0,0,0,.35); --line-2:#d9d9d9; --sub:#e7e7e7; --sub-dark:#1a1b1d; --price:#e7e7ed; --soft:#f5f5f5;
  --blue:#2f6bff; --green:#3a9d23; --yellow:#fed643;
  --grad:linear-gradient(90deg,#000 0%,#e8322b 26%,#f7a64a 48%,#fde68a 60%,#a5f3fc 78%,#1d4ed8 100%);
  --grad-r:linear-gradient(90deg,#1d4ed8 0%,#a5f3fc 18%,#fde68a 40%,#f7a64a 52%,#e8322b 74%,#e8322b 88%,transparent 100%);
  --shadow:0 8px 30px rgba(0,0,0,.08);
  --r:16px; --r-lg:20px; --w:1322px; --pad:20px;
  --h1:clamp(34px,4.4vw,52px); --h2:clamp(30px,4.2vw,52px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
body{margin:0;font-family:"Open Sans",Arial,sans-serif;font-size:16px;line-height:1.5;color:var(--black);background:#fff}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:0;padding:0}
h1,h2,h3,h4,p{margin:0}
h1,h2{font-weight:700;letter-spacing:-.01em;line-height:1.15}
h1{font-size:var(--h1)} h2{font-size:var(--h2)}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px;border-radius:6px}
[hidden]{display:none!important}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.wrap{max-width:calc(var(--w) + var(--pad)*2);margin:0 auto;padding:0 var(--pad)}
.ico{width:1em;height:1em;flex:none}
.hp-field{position:absolute!important;left:-9999px!important;opacity:0}

/* ---------- Кнопки ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:14px;min-height:40px;padding:8px 26px;border-radius:999px;font-size:16px;font-weight:500;line-height:1.2;white-space:nowrap;transition:background .2s,color .2s,border-color .2s}
.btn .arr{width:14px;height:14px;flex:none}
.btn--primary{background:var(--orange);color:#fff}
.btn--primary:hover{background:var(--orange-d)}
.btn--outline{border:1px solid currentColor;color:var(--black);background:transparent}
.btn--outline:hover{background:var(--black);color:#fff;border-color:var(--black)}
.btn--outline-w{border:1px solid #fff;color:#fff}
.btn--outline-w:hover{background:#fff;color:var(--black)}
.btn--wide{min-width:184px}
.btn--block{width:100%}
.btn--sq{border-radius:6px;font-weight:600}
.btn-row{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- Шапка ---------- */
.hdr{background:#000;color:#fff;position:sticky;top:0;z-index:50}
.hdr__in{display:flex;align-items:center;gap:32px;height:102px}
.hdr__logo{flex:none;width:clamp(180px,18vw,263px)}
.hdr__logo img{width:100%;height:auto}
.nav{display:flex;gap:30px;margin-left:12px}
.nav>li{list-style:none;position:relative}
.nav a,.nav button{font-size:16px;font-weight:400;color:#cfcfcf;display:inline-flex;align-items:center;gap:6px;padding:10px 0}
.nav a:hover,.nav button:hover,.nav .is-active>a,.nav .is-active>button{color:#fff}
.nav .is-active>a,.nav .is-active>button{font-weight:700}
.nav ul{margin:0;padding:0}
.dd{position:absolute;top:100%;left:-24px;display:none;grid-template-columns:repeat(2,minmax(230px,1fr));gap:24px;padding:24px;background:#fff;color:var(--black);border-radius:var(--r);box-shadow:0 20px 50px rgba(0,0,0,.25)}
.dd b{display:block;font-size:13px;color:var(--gray);font-weight:600;margin-bottom:8px}
.dd a{color:var(--black);padding:6px 0;font-size:15px}
.dd a:hover{color:var(--orange)}
.dd ul{list-style:none;display:flex;flex-direction:column}
.has-dd:hover .dd,.has-dd:focus-within .dd,.has-dd.is-open .dd{display:grid}
.has-dd .chev{width:10px;height:10px;transition:transform .2s}
.has-dd.is-open .chev{transform:rotate(180deg)}
.hdr__contacts{margin-left:auto;white-space:nowrap;display:flex;flex-direction:column;gap:2px;font-size:16px;font-weight:300;line-height:1.25}
.hdr__contacts a{display:flex;align-items:center;gap:8px;color:#fff}
.hdr__contacts a:hover{color:var(--orange)}
.hdr__contacts svg{width:18px;height:18px}
.hdr__calc{width:46px;height:46px;flex:none}
.hdr__calc svg{width:100%;height:100%}
.burger{display:none;width:44px;height:44px;margin-left:auto;align-items:center;justify-content:center}
.burger span,.burger span::before,.burger span::after{display:block;width:24px;height:2px;background:#fff;position:relative;transition:transform .2s}
.burger span::before,.burger span::after{content:"";position:absolute;left:0}
.burger span::before{top:-7px}.burger span::after{top:7px}
.menu-open .burger span{background:transparent}
.menu-open .burger span::before{transform:translateY(7px) rotate(45deg)}
.menu-open .burger span::after{transform:translateY(-7px) rotate(-45deg)}

.subnav{background:var(--sub)}
.subnav--dark{background:var(--sub-dark);color:#fff}
.subnav ul{display:flex;justify-content:center;gap:clamp(24px,5vw,64px);margin:0;padding:0;list-style:none;overflow-x:auto;scrollbar-width:none}
.subnav a{display:block;padding:12px 0 10px;font-size:16px;border-bottom:3px solid transparent;white-space:nowrap}
.subnav a:hover{color:var(--orange)}
.subnav .is-active a{font-weight:700;border-color:var(--orange)}
.subnav--dark .is-active a:hover{color:#fff}

/* ---------- Общие секции ---------- */
.sec{padding:clamp(56px,6vw,80px) 0}
.sec--tight{padding-top:0}
.sec-head{display:flex;justify-content:space-between;align-items:flex-start;gap:24px;border-top:1px solid var(--line);padding-top:28px;margin-bottom:32px}
.sec-head--plain{border-top:0;padding-top:0}
.sec-head .btn{margin-top:4px;flex:none}
.sec-lead{font-size:16px;max-width:620px;margin-top:14px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:16px;margin-bottom:12px}
.eyebrow::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--blue)}
.eyebrow--o::before{background:var(--orange)}
.eyebrow--r::before{background:#e8322b}
.gbar{height:10px;border-radius:6px;background:var(--grad);margin-top:14px}
.gbar--thin{height:6px}
.crumbs{font-size:15px;color:var(--gray);display:flex;flex-wrap:wrap;gap:4px;padding-top:24px}
.crumbs a:hover{color:var(--orange)}
.crumbs span{color:var(--black)}
.back{display:inline-flex;align-items:center;gap:10px;font-size:20px;margin:14px 0 28px}
.back svg{width:12px;height:20px}
.back:hover{color:var(--orange)}

/* ---------- Hero ---------- */
.hero{position:relative;background:#000;color:#fff;overflow:hidden}
.hero__bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:70% 30%}
.hero__shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.92) 0%,rgba(0,0,0,.6) 38%,rgba(0,0,0,0) 62%)}
.hero__in{position:relative;min-height:clamp(480px,48.6vw,700px);display:flex;flex-direction:column;justify-content:center;padding-top:48px;padding-bottom:64px}
.hero h1{max-width:560px;margin-bottom:28px}
.hero__text{max-width:460px;font-size:16px;margin-bottom:36px}
.hero--light{background:#fff;color:var(--black)}
.hero--light .hero__shade{background:linear-gradient(90deg,#fff 0%,rgba(255,255,255,.92) 34%,rgba(255,255,255,0) 60%)}
.hero--light .btn--outline-w{border-color:var(--black);color:var(--black)}
.hero--light .btn--outline-w:hover{background:var(--black);color:#fff}
.hero--wide h1{max-width:760px}
.hero--wide .hero__text{max-width:640px}
.hero-split{background:#000;color:#fff}
.hero-split__in{display:grid;grid-template-columns:1fr 1.05fr;align-items:center;min-height:clamp(480px,50vw,640px)}
.hero-split__txt{padding:48px 32px 56px 0}
.hero-split__txt h1{margin-bottom:22px}
.hero-split__txt p{max-width:520px;margin-bottom:36px}
.hero-split__img{align-self:stretch;position:relative;margin-right:calc(-1*max(var(--pad),(100vw - var(--w))/2))}
.hero-split__img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-bar{height:14px;background:var(--grad-r)}

/* ---------- УТП ---------- */
.usp{background:#000;color:#fff;padding:34px 0 42px}
.usp__grid{display:grid;grid-template-columns:repeat(4,auto);justify-content:space-between}
.usp__item{padding:0 32px;border-left:1px solid rgba(255,255,255,.45)}
.usp__item:first-child{padding-left:0;border-left:0}
.usp__n{color:#aaa;font-size:16px;margin-bottom:20px;transition:color .2s}
.usp__item:hover .usp__n{color:var(--orange)}
.usp__t{font-size:20px;font-weight:600;line-height:1.3}
.usp__s{font-size:16px;margin-top:4px;color:#e5e5e5}

/* ---------- О подходе (текст + слайдер) ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4vw,40px);align-items:center}
.split__txt h2{margin-bottom:28px}
.split__txt p{max-width:520px;margin-bottom:28px}
.slider{position:relative;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:645/435;background:#111}
.slider__slide{position:absolute;inset:0;opacity:0;transition:opacity .6s}
.slider__slide.is-on{opacity:1}
.slider__slide img{width:100%;height:100%;object-fit:cover}
.slider__cap{position:absolute;left:36px;bottom:36px;color:#fff;text-shadow:0 1px 12px rgba(0,0,0,.6)}
.slider__cap .eyebrow{margin-bottom:10px}
.slider__cap b{display:block;font-size:20px;font-weight:600}
/* Пагинация слайдеров — единый стиль на всём сайте: круглые точки 14 px (как в «Инженерном подборе»),
   кнопки крупнее — зона нажатия 30 px; стоят в правом верхнем углу, не перекрывая подписи и оборудование */
.slider__dots{position:absolute;top:16px;right:16px;display:flex;gap:2px;z-index:2;padding:2px 4px;border-radius:999px;background:rgba(0,0,0,.18);backdrop-filter:blur(4px)}
.slider__dots button{width:30px;height:30px;display:grid;place-items:center;border-radius:50%;cursor:pointer}
.slider__dots button::after{content:"";width:14px;height:14px;border-radius:50%;background:rgba(255,255,255,.55);transition:background .3s,transform .3s}
.slider__dots button:hover::after{background:rgba(255,255,255,.85)}
.slider__dots button.is-on::after{background:#fff;transform:scale(1.08)}
.slider__dots button:focus-visible{outline:2px solid #fff;outline-offset:-2px}
.slider+.gbar{margin-left:16px;margin-right:16px}

/* ---------- Типы теплообменников ---------- */
.types{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.tcard{display:flex;flex-direction:column;border-radius:var(--r);overflow:hidden;background:#fff;box-shadow:0 14px 40px rgba(0,0,0,.08);min-height:418px}
.tcard__img{aspect-ratio:320/255;overflow:hidden;background:#20242c}
.tcard__img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.tcard:hover .tcard__img img{transform:scale(1.04)}
.tcard__b{display:flex;flex-direction:column;flex:1;padding:22px 20px 18px 28px}
.tcard h3{font-size:20px;font-weight:600;line-height:1.3;margin-bottom:14px}
.tcard p{color:var(--gray-2);font-size:16px;line-height:1.45}
.tcard__more{margin-top:auto;padding-top:18px;display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--gray)}
.circ{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#c9c9c9;color:#000;transition:background .2s}
.circ svg{width:12px;height:12px}
.tcard--dark{background:#000;color:#fff}
.tcard--dark .tcard__more{color:#bbb}
.tcard--dark .circ{background:#3a3a3a;color:#fff}
.tcard:hover .circ{background:var(--orange);color:#fff}

/* ---------- Медиа-блок с подписью ---------- */
.media{position:relative;border-radius:var(--r-lg);overflow:hidden}
.media img{width:100%;height:100%;object-fit:cover}
.media__cap{position:absolute;left:32px;bottom:32px;color:#fff;text-shadow:0 1px 12px rgba(0,0,0,.6)}
.media__cap b{display:block;font-size:20px;font-weight:600}
.media__cap span{font-size:16px}

/* ---------- Отрасли на главной ---------- */
.inds{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,3vw,40px)}
.ind{display:flex;flex-direction:column;justify-content:flex-end;gap:2px;min-height:155px;padding:24px 28px;border-radius:var(--r-lg);background:#fff;box-shadow:var(--shadow);transition:background .2s,color .2s}
.ind svg{height:44px;width:auto;margin-bottom:auto;align-self:flex-start}
.ind b{font-weight:600;margin-top:28px}
.ind span{color:var(--gray-2)}
.ind:hover{background:var(--orange);color:#fff}
.ind:hover span{color:#fff}

/* ---------- Этапы ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2vw,28px)}
.step{position:relative;padding:22px 28px 30px;border-radius:var(--r-lg);background:#fff;box-shadow:var(--shadow);min-height:250px}
.step__n{font-size:90px;font-weight:700;line-height:1;color:#ececec;margin-bottom:20px}
.step__row{display:flex;gap:28px;align-items:flex-start}
.step__row svg{width:96px;height:auto;flex:none}
.step h3{font-size:20px;font-weight:500;margin-bottom:12px}
.step p{color:var(--gray-2)}

/* ---------- Производство ---------- */
.prod{display:grid;grid-template-columns:1fr 1fr;background:var(--orange)}
.prod__txt{padding:clamp(48px,6vw,72px) clamp(20px,4vw,40px) 64px max(var(--pad),calc((100vw - var(--w))/2))}
.prod__txt h2{color:#fff;margin-bottom:40px}
.prod__txt h2 span{color:#000}
.prod__txt p{color:#fff;max-width:520px}
.prod__img{position:relative;min-height:450px;border-radius:var(--r-lg) 0 0 var(--r-lg);overflow:hidden}
.prod__img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.glass{position:absolute;left:-60px;top:64px;padding:18px 32px;border-radius:24px;border:1px solid rgba(255,255,255,.55);background:rgba(255,255,255,.14);backdrop-filter:blur(8px);color:#fff;max-width:300px}
.glass b{display:block;font-size:18px;font-weight:600}
.prod__img .glass{left:24px}
.pcards{background:#000;padding:56px 0 64px}
.pcards__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.pcard{border:1px solid rgba(255,255,255,.55);border-radius:var(--r-lg);padding:32px 26px 28px;color:#fff}
.pcard svg{width:38px;height:auto;margin-bottom:40px}
.pcard h3{color:var(--orange);font-size:clamp(19px,1.6vw,22px);font-weight:500;line-height:1.35;margin-bottom:22px}
.pcard p{font-size:clamp(16px,1.3vw,18px);line-height:1.4}

/* ---------- Документы (сертификаты, письма, расчёты) ---------- */
.docs{display:grid;grid-template-columns:repeat(5,1fr);gap:clamp(12px,1.8vw,22px)}
.docs--4{grid-template-columns:repeat(4,1fr)}
.doc{margin:0;display:flex;flex-direction:column;gap:10px;text-align:left}
.doc__img{display:block;width:100%;border-radius:12px;overflow:hidden;background:#fff;box-shadow:var(--shadow);aspect-ratio:250/350;cursor:zoom-in}
.doc__img img{width:100%;height:100%;object-fit:cover;object-position:top;transition:transform .4s}
.doc__img:hover img{transform:scale(1.03)}
.doc__cap b{display:block;font-size:14px;font-weight:600;line-height:1.35}
.doc__cap span{font-size:13px;color:var(--gray)}
.carousel{position:relative}
.carousel__track{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 4*22px)/5);gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding:6px 2px 18px}
.carousel__track::-webkit-scrollbar{display:none}
.carousel__track>*{scroll-snap-align:start}
.carousel__nav{display:flex;justify-content:center;gap:12px;margin-top:28px}
.arrow{width:60px;height:60px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--black);background:#fff;transition:background .2s}
.arrow svg{width:18px;height:18px}
.arrow--fill,.arrow:hover{background:#000;color:#fff}
.arrow--sm{width:38px;height:38px}
.arrow--sm svg{width:14px;height:14px}

/* ---------- Проекты ---------- */
.projects{display:grid;grid-template-columns:1fr 1fr;gap:26px 26px}
.proj{display:grid;grid-template-columns:1fr 260px;min-height:365px;border:1px solid #9f9f9f;border-radius:var(--r-lg);overflow:hidden;background:#fff}
.proj__b{display:flex;flex-direction:column;padding:24px 22px 24px 24px}
.proj__tag{display:flex;align-items:center;gap:8px;font-size:16px;margin-bottom:14px}
.proj__tag::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--orange)}
.proj__tag--orange{color:var(--orange)}
.proj__tag--blue{color:var(--blue)}.proj__tag--blue::before{background:var(--blue)}
.proj__tag--red{color:#e8322b}.proj__tag--red::before{background:#e8322b}
.proj h3{font-size:20px;font-weight:600;line-height:1.3;margin-bottom:14px}
.proj p{margin-bottom:24px}
.proj .btn{margin-top:auto;align-self:flex-start}
.proj__img{position:relative}
.proj__img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}

/* ---------- FAQ ---------- */
.faq{display:grid;grid-template-columns:1fr 1fr;gap:20px 20px;align-items:start}
.faq__item{border:1px solid #a8a8a8;border-radius:var(--r-lg);background:#fff}
.faq__q{display:flex;justify-content:space-between;align-items:center;gap:20px;width:100%;padding:18px 24px 18px 30px;text-align:left;font-size:16px;min-height:62px}
.faq__q i{position:relative;width:18px;height:18px;flex:none}
.faq__q i::before,.faq__q i::after{content:"";position:absolute;left:0;top:8px;width:18px;height:2px;background:#000;transition:transform .2s}
.faq__q i::after{transform:rotate(90deg)}
.faq__q[aria-expanded="true"] i::after{transform:rotate(0)}
.faq__a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .25s}
.faq__a>div{overflow:hidden}
.faq__a p{padding:0 30px 22px;color:#3c3c3c}
.faq__q[aria-expanded="true"]+.faq__a{grid-template-rows:1fr}

/* ---------- Форма заявки ---------- */
.lead{position:relative;color:#fff;background:#0a0a0a;overflow:hidden}
.lead__bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.lead__in{position:relative;display:grid;grid-template-columns:1fr 600px;gap:clamp(24px,4vw,56px);padding:clamp(48px,6vw,60px) var(--pad)}
.lead__txt h2{margin:clamp(24px,6vw,80px) 0 48px;max-width:520px}
.lead__txt p{max-width:360px;padding-left:4px}
.lead .eyebrow::before{background:var(--orange)}
.fcard{background:#fff;color:var(--black);border-radius:var(--r-lg);padding:24px 30px 20px}
.fgrid{display:grid;grid-template-columns:1fr 1fr;gap:20px 16px}
.fgrid .full{grid-column:1/-1}
.inp{width:100%;height:63px;border:1px solid #b5b5b5;border-radius:var(--r-lg);padding:0 20px;font:inherit;font-size:16px;color:var(--black);background:#fff;transition:border-color .2s}
.inp::placeholder{color:#111}
textarea.inp{height:110px;padding:18px 20px;resize:vertical}
.inp:focus{outline:none;border-color:var(--orange)}
.inp.is-err{border-color:#e8322b}
.file{display:flex;align-items:center;gap:26px;min-height:76px;border:2px dashed #b5b5b5;border-radius:var(--r-lg);padding:10px 20px;color:#8a8a8a;cursor:pointer;position:relative}
.file input{position:absolute;inset:0;opacity:0;cursor:pointer}
.file svg{width:44px;height:44px;flex:none;color:#b9b9b9}
.file:hover{border-color:var(--orange)}
.file.has-file{border-color:var(--green);color:var(--black)}
.fsubmit{display:grid;grid-template-columns:1fr auto;gap:20px}
.fsubmit .btn--primary{justify-content:space-between;height:63px;border-radius:var(--r-lg);padding:0 22px;font-weight:600}
.fsubmit .btn--dl{height:63px;border-radius:var(--r-lg);border:1px solid #b5b5b5;padding:0 18px;white-space:normal;text-align:left;line-height:1.25;font-weight:400;max-width:144px}
.fsubmit .btn--dl:hover{border-color:var(--black)}
.fnote{font-size:11px;color:#9a9a9a;margin-top:16px;padding-left:22px}
.fnote a{text-decoration:underline}
.fmsg{margin-top:12px;font-size:14px;font-weight:600}
.fmsg.is-err{color:#e8322b}
.fmsg.is-ok{color:var(--green)}
form.is-sending button[type=submit]{opacity:.6;pointer-events:none}

/* ---------- Модальные окна ---------- */
.modal{position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;padding:20px;background:rgba(0,0,0,.6)}
.modal.is-open{display:flex}
.modal__box{position:relative;width:min(640px,100%);max-height:calc(100vh - 40px);overflow:auto;background:#fff;border-radius:var(--r-lg);padding:36px 30px 24px}
.modal__box h3{font-size:clamp(24px,3vw,30px);font-weight:700;line-height:1.2;margin-bottom:8px;padding-right:40px}
.modal__box>p{color:#555;margin-bottom:22px}
.modal__x{position:absolute;right:18px;top:18px;width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:var(--soft)}
.modal__x:hover{background:#e5e5e5}
.modal__x svg{width:16px;height:16px}
.lightbox .modal__box{width:auto;max-width:min(900px,100%);padding:0;background:transparent;overflow:visible}
.lightbox img{max-height:calc(100vh - 60px);width:auto;border-radius:12px;background:#fff}
.lightbox .modal__x{right:-8px;top:-8px;background:#fff}
body.no-scroll{overflow:hidden}

/* ---------- Подвал ---------- */
.ftr{background:#000;color:#fff;padding:56px 0 40px;font-size:16px}
.ftr__grid{display:grid;grid-template-columns:1.35fr .8fr 1fr 1fr 1.55fr;gap:32px}
.ftr__logo{width:220px;margin-bottom:24px}
.ftr h4{font-size:18px;font-weight:600;margin-bottom:24px;min-height:24px}
.ftr ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.ftr a:hover{color:var(--orange)}
.ftr__about p{margin-bottom:24px;max-width:240px}
.ftr__soc{display:flex;gap:20px;margin-top:28px}
.ftr__soc svg{width:26px;height:26px}
.ftr__c li{display:flex;gap:12px;align-items:flex-start}
.ftr__c svg{width:24px;height:24px;flex:none;margin-top:-1px}
.ftr__bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;border-top:1px solid rgba(255,255,255,.35);margin-top:48px;padding-top:24px;color:#9a9a9a}
.ftr__bottom nav{display:flex;gap:40px;flex-wrap:wrap}
.ftr__bottom a:hover{color:#fff}

/* ---------- Категория / hero с фото ---------- */
.cat-hero{display:grid;grid-template-columns:640px 1fr;gap:clamp(24px,4vw,46px);align-items:start;padding-bottom:40px}
.cat-hero__media .media{aspect-ratio:640/415;background:#1d2029}
.cat-hero__txt h1{margin-bottom:24px}
.cat-hero__txt p{margin-bottom:22px;max-width:600px}
.cat-hero__txt .btn{margin-top:10px}

/* ---------- Товары ---------- */
.pcarousel{position:relative;padding:0 64px}
.pcarousel .carousel__track{grid-auto-columns:calc((100% - 4*28px)/5);gap:28px;padding-bottom:10px}
.pcarousel>.arrow{position:absolute;top:210px;z-index:2}
.pcarousel>.arrow--prev{left:0}.pcarousel>.arrow--next{right:0}
.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:40px 28px}
.card{display:flex;flex-direction:column;min-width:0}
.card__img{position:relative;display:block;aspect-ratio:182/216;border-radius:6px;background:#efefef;overflow:hidden}
.card__img img{position:absolute;inset:8%;width:84%;height:84%;object-fit:contain;mix-blend-mode:multiply;transition:opacity .25s}
.card__img img+img{opacity:0}
.card__img.show-2 img:first-child{opacity:0}.card__img.show-2 img+img{opacity:1}
.card__dots{display:flex;justify-content:center;gap:6px;height:24px;align-items:center}
.card__dots button{width:10px;height:10px;border-radius:50%;border:1px solid #9a9a9a}
.card__dots button.is-on{background:var(--blue);border-color:var(--blue)}
.card__t{font-size:18px;font-weight:500;line-height:1.45;margin:6px 0 10px;min-height:52px}
.card__t:hover{color:var(--orange)}
.card__p{font-size:18px;font-weight:700;margin-bottom:12px}
.card__row{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.card__stock{font-size:12px;color:var(--green)}
.fav{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:#fff;box-shadow:0 4px 14px rgba(0,0,0,.08)}
.fav svg{width:20px;height:20px}
.fav.is-on svg{fill:var(--orange);color:var(--orange)}
.card .btn{margin-top:auto;height:37px;min-height:37px}
.card__cat{font-size:12px;color:var(--gray);margin-top:2px}
.acc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.acc{display:flex;flex-direction:column}
.acc .card__img img{mix-blend-mode:normal;inset:0;width:100%;height:100%;object-fit:cover}
.acc h3{font-size:18px;font-weight:600;margin:14px 0 6px}
.acc p{color:var(--gray);margin-bottom:16px;flex:1}

.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(16px,3vw,34px)}
.gallery img{aspect-ratio:1;object-fit:cover;border-radius:var(--r-lg);width:100%;cursor:zoom-in}

/* ---------- Отрасль ---------- */
.apps{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(16px,3vw,40px)}
.app{border:1px solid #b5b5b5;border-radius:var(--r-lg);overflow:hidden;background:#fff;display:flex;flex-direction:column}
.app__t{padding:20px 18px 14px;min-height:118px;display:flex;flex-direction:column;justify-content:flex-end}
.app__t svg{height:40px;width:auto;margin-bottom:14px;align-self:flex-start}
.app__t b{font-weight:500;font-size:15px;line-height:1.35}
.app img{aspect-ratio:300/185;object-fit:cover;width:100%;border-radius:var(--r-lg) var(--r-lg) 0 0}
.req{background:var(--soft)}
.req__in{display:grid;grid-template-columns:1fr 1fr;min-height:560px}
.req__txt{padding:clamp(48px,5vw,56px) clamp(20px,4vw,48px) 56px max(var(--pad),calc((100vw - var(--w))/2))}
.req__txt h2{margin-bottom:22px;font-size:clamp(28px,3.3vw,44px)}
.req__txt>p{margin-bottom:36px;max-width:560px}
.req__list{list-style:none;margin:0 0 36px;padding:0;display:flex;flex-direction:column;gap:26px}
.req__list li{display:flex;gap:24px;align-items:flex-start}
.req__list svg{width:72px;height:72px;flex:none}
.req__list b{display:block;font-size:20px;font-weight:600;margin-bottom:8px}
.req__img{position:relative}
.req__img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}

/* ---------- Каталог ---------- */
.page-title{padding-top:28px;font-size:var(--h2)}
.cat-top{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.cat-top .back{margin:10px 0 18px}
.sort{display:inline-flex;align-items:center;gap:8px;font-size:16px}
.sort select{border:0;font:inherit;background:transparent;cursor:pointer}
.catalog{display:grid;grid-template-columns:270px 1fr;gap:clamp(20px,2.5vw,36px);align-items:start;margin-bottom:40px}
.filters{border-radius:var(--r-lg);background:#fff;box-shadow:var(--shadow);padding:22px 14px 20px;position:sticky;top:120px}
.filters h4{font-size:16px;font-weight:500;margin:16px 0 8px}
.filters h4:first-child{margin-top:0}
.filters label{display:flex;align-items:center;gap:8px;font-size:15px;color:#444;padding:2px 0;cursor:pointer}
.filters input[type=checkbox]{width:15px;height:15px;accent-color:var(--blue);margin:0}
.filters .range{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.filters .range input,.filters .q{width:100%;height:40px;border:1px solid #bdbdbd;border-radius:8px;padding:0 10px;font:inherit;font-size:14px}
.filters .q{margin-bottom:6px}
.filters .cnt{color:#aaa;font-size:13px;margin-left:auto;padding-left:6px}
.filters .more-f{font-size:13px;color:var(--orange);margin-top:14px}
.filters .reset{font-size:13px;color:var(--gray);margin-top:10px;display:block}
.filters .extra{display:none}
.filters.show-all .extra{display:block}
.cat-results{border-top:1px solid var(--line);padding-top:32px}
.cat-count{font-size:14px;color:var(--gray);margin-bottom:24px}
.cat-empty{padding:40px 0;color:var(--gray)}
.cat-more{display:flex;justify-content:center;margin-top:40px}
.filters-toggle{display:none}

/* ---------- Карточка товара ---------- */
.prod-top{display:grid;grid-template-columns:420px 1fr 234px;gap:clamp(24px,5vw,74px);align-items:start;padding-bottom:40px}
.pgal__main{aspect-ratio:1;border-radius:6px;background:#efefef;display:grid;place-items:center;overflow:hidden;cursor:zoom-in}
.pgal__main img{width:86%;height:86%;object-fit:contain;mix-blend-mode:multiply}
.pgal__th{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:9px}
.pgal__th button{aspect-ratio:134/169;border-radius:6px;background:#efefef;overflow:hidden;border:2px solid transparent}
.pgal__th button.is-on{border-color:var(--orange)}
.pgal__th img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply;padding:10%}
.prod-info h1{font-size:clamp(24px,2.4vw,28px);font-weight:400;line-height:1.35;margin-bottom:26px}
.prod-info p{margin-bottom:18px}
.prod-info .bold{font-weight:700}
.prod-info .meta{font-size:14px;color:var(--gray)}
.pricebox{background:var(--price);border-radius:6px;padding:26px 24px 30px}
.pricebox .btn{width:100%;padding:8px 16px}
.pricebox b{display:block;font-size:20px;font-weight:700;margin-bottom:22px}
.tabs{background:var(--sub)}
.tabs ul{display:flex;justify-content:center;gap:clamp(20px,4.5vw,52px);list-style:none;margin:0;padding:0;overflow-x:auto;scrollbar-width:none}
.tabs button{padding:12px 0 10px;font-size:16px;border-bottom:3px solid transparent;white-space:nowrap}
.tabs button[aria-selected="true"]{font-weight:700;border-color:var(--orange)}
.tabpanel{padding:36px 0 20px}
.tabpanel[hidden]{display:none}
.desc-cols{columns:2;column-gap:48px}
.desc-cols section{break-inside:avoid-column;margin-bottom:28px}
.desc-cols h3{font-size:20px;font-weight:600;margin-bottom:22px}
.desc-cols p{text-align:justify;margin-bottom:6px}
.desc-cols ul{margin:0;padding-left:18px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips span{padding:6px 12px;border-radius:999px;background:var(--soft);font-size:14px}
.scheme{max-width:780px;margin:0 auto 40px}
.scheme img{width:100%}
.specs{width:100%;border-collapse:collapse;font-size:16px}
.specs th,.specs td{border:1px solid #cfcfcf;padding:10px 12px;text-align:left;vertical-align:top}
.specs th{background:#f1f1f1;font-weight:500;width:45%}
.tbl-wrap{overflow-x:auto}
.deliv{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,3vw,40px);align-items:start}
.deliv h2{margin-bottom:24px}
.deliv p{margin-bottom:12px}
.deliv h3{font-size:20px;font-weight:500;margin:16px 0 30px}
.deliv__logos{display:flex;gap:28px;align-items:center;flex-wrap:wrap}
.deliv__logos img{height:44px;width:auto}
.wcards{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.wcard{display:grid;grid-template-columns:auto 1fr;gap:28px;padding:22px 26px;border-radius:var(--r-lg);background:#fff;box-shadow:var(--shadow)}
.wcard__img{width:180px}
.wcard__img img{border:1px solid #ddd}
.wcard h3{font-size:18px;font-weight:600;margin-bottom:22px}
.wcard p{margin-bottom:10px;font-size:15px}
.shield{display:flex;flex-direction:column;align-items:center;text-align:center;width:180px}
.shield i{display:grid;place-items:center;width:150px;height:150px;border-radius:50%;background:#eee;margin-bottom:18px}
.shield svg{width:70px;height:70px}
.shield b{font-size:22px;font-weight:600}
.shield span{font-size:14px;color:#555;line-height:1.35}

/* ---------- Текстовые страницы ---------- */
.prose{max-width:860px}
.prose h2{font-size:clamp(26px,3vw,36px);margin:44px 0 16px}
.prose h3{font-size:20px;font-weight:600;margin:28px 0 10px}
.prose p,.prose li{margin-bottom:10px}
.prose ul{padding-left:20px;margin:0 0 16px}
.prose a{color:var(--orange);text-decoration:underline}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin:32px 0}
.stat{padding:24px;border-radius:var(--r-lg);background:var(--soft)}
.stat b{display:block;font-size:34px;font-weight:700;line-height:1.1;margin-bottom:6px}
.info-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.icard{padding:28px;border-radius:var(--r-lg);border:1px solid #cfcfcf}
.icard h3{font-size:20px;font-weight:600;margin-bottom:12px}
.icard ul{margin:0;padding-left:18px}
.contacts{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.clist{list-style:none;margin:24px 0 0;padding:0;display:flex;flex-direction:column;gap:18px;font-size:18px}
.clist li{display:flex;gap:14px;align-items:center}
.clist svg{width:26px;height:26px}
.clist a:hover{color:var(--orange)}
.map{margin-top:40px;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:21/8;min-height:320px;background:#eee}
.map iframe{width:100%;height:100%;border:0}
.thanks{text-align:center;padding:100px 0}
.thanks h1{margin-bottom:20px}
.thanks p{max-width:560px;margin:0 auto 32px}
.thanks .btn-row{justify-content:center}

/* ---------- Адаптив ---------- */
@media (max-width:1280px){
  .nav{gap:20px}.hdr__in{gap:22px}.hdr__logo{width:190px}
  .cat-hero{grid-template-columns:1fr 1fr}
  .lead__in{grid-template-columns:1fr 1.1fr}
  .prod-top{grid-template-columns:360px 1fr;}
  .pricebox{grid-column:2}
  .pcarousel .carousel__track{grid-auto-columns:calc((100% - 3*28px)/4)}
}
@media (max-width:1100px){
  .nav,.hdr__contacts{display:none}
  .burger{display:flex}
  .hdr__in{height:76px}
  .hdr__calc{margin-left:auto}
  .burger{margin-left:0}
  .menu-open .mnav{display:block}
  .types,.pgrid,.acc-grid{grid-template-columns:repeat(2,1fr)}
  .usp__grid{grid-template-columns:repeat(2,1fr);gap:28px 0}
  .usp__item:nth-child(3){padding-left:0;border-left:0}
  .inds,.steps{grid-template-columns:repeat(2,1fr)}
  .pcards__grid{grid-template-columns:repeat(2,1fr)}
  .docs{grid-template-columns:repeat(3,1fr)}
  .carousel__track{grid-auto-columns:calc((100% - 2*22px)/3)}
  .projects{grid-template-columns:1fr}
  .ftr__grid{grid-template-columns:1fr 1fr 1fr}
  .ftr__about{grid-column:1/-1}
  .catalog{grid-template-columns:1fr}
  .filters{position:static;display:none}
  .filters.is-open{display:block}
  .filters-toggle{display:inline-flex}
  .apps{grid-template-columns:repeat(2,1fr)}
  .wcards{grid-template-columns:1fr}
}
@media (max-width:900px){
  .split,.cat-hero,.lead__in,.prod,.req__in,.deliv,.contacts,.hero-split__in{grid-template-columns:1fr}
  .hero-split__img{margin:0 calc(-1*var(--pad));min-height:360px}
  .hero-split__txt{padding:40px 0}
  .prod__txt,.req__txt{padding:48px var(--pad)}
  .prod__img,.req__img{min-height:320px;border-radius:0}
  .glass{left:20px;top:20px}
  .hero__shade{background:linear-gradient(0deg,rgba(0,0,0,.9) 0%,rgba(0,0,0,.65) 55%,rgba(0,0,0,.25) 100%)}
  .hero--light .hero__shade{background:linear-gradient(0deg,#fff 0%,rgba(255,255,255,.9) 55%,rgba(255,255,255,.4) 100%)}
  .hero__in{justify-content:flex-end;min-height:560px}
  .faq{grid-template-columns:1fr}
  .prod-top{grid-template-columns:1fr}
  .pricebox{grid-column:auto}
  .desc-cols{columns:1}
  .stats{grid-template-columns:repeat(2,1fr)}
  .info-cards{grid-template-columns:1fr}
}
@media (max-width:640px){
  :root{--pad:16px}
  .sec-head{flex-direction:column}
  .types,.inds,.steps,.pcards__grid,.apps{grid-template-columns:1fr}
  .tcard{min-height:0}
  .pgrid,.acc-grid{grid-template-columns:repeat(2,1fr);gap:28px 14px}
  .card__t{font-size:15px;min-height:0}
  .card__p{font-size:16px}
  .usp__grid{grid-template-columns:1fr}
  .usp__item{padding:0;border-left:0;border-top:1px solid rgba(255,255,255,.3);padding-top:18px}
  .usp__item:first-child{border-top:0;padding-top:0}
  .usp__n{margin-bottom:8px}
  .docs,.docs--4{grid-template-columns:repeat(2,1fr)}
  .carousel__track{grid-auto-columns:calc((100% - 22px)/1.6)}
  .pcarousel{padding:0}
  .pcarousel>.arrow{display:none}
  .pcarousel .carousel__track{grid-auto-columns:calc((100% - 28px)/2)}
  .proj{grid-template-columns:1fr}
  .proj__img{min-height:220px;order:-1}
  .fgrid,.fsubmit{grid-template-columns:1fr}
  .fsubmit .btn--dl{max-width:none;justify-content:center}
  .fcard{padding:20px 16px}
  .ftr__grid{grid-template-columns:1fr 1fr}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .step__row{flex-direction:column;gap:14px}
  .step__n{font-size:64px}
  .wcard{grid-template-columns:1fr}
  .req__list svg{width:56px;height:56px}
  .stats{grid-template-columns:1fr}
}
/* мобильное меню */
.mnav{display:none;position:fixed;inset:76px 0 0;background:#000;color:#fff;overflow:auto;padding:12px var(--pad) 40px;z-index:49}
.mnav a{display:block;padding:12px 0;font-size:18px;border-bottom:1px solid rgba(255,255,255,.12)}
.mnav .mnav__sub a{font-size:16px;padding:9px 0 9px 14px;color:#cfcfcf}
.mnav .mnav__c{margin-top:24px;display:flex;flex-direction:column;gap:12px}
.mnav .mnav__c a{border:0;padding:0}
.mnav .btn{margin-top:18px;width:100%}
@media (max-width:1100px){.hdr__cta{display:none}}

/* ---------- Кабинет в шапке, счётчики, уведомления ---------- */
.hdr__cta .ico-user{width:18px;height:18px}
.badge{display:inline-grid;place-items:center;min-width:20px;height:20px;padding:0 6px;border-radius:999px;background:#fff;color:var(--orange);font-size:12px;font-weight:700;line-height:1}
.badge--dark{background:var(--orange);color:#fff}
.hdr__cab{display:none;position:relative;width:44px;height:44px;border-radius:50%;background:var(--orange);color:#fff;place-items:center}
.hdr__cab .ico-user{width:20px;height:20px}
.hdr__cab .badge{position:absolute;top:-4px;right:-6px}
@media (max-width:1100px){.hdr__cab{display:grid}.hdr__calc{margin-left:auto}}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);z-index:120;background:#111;color:#fff;padding:14px 22px;border-radius:14px;box-shadow:0 10px 30px rgba(0,0,0,.3);font-size:15px;max-width:calc(100% - 32px)}
.toast a{color:var(--orange);text-decoration:underline;font-weight:600}
/* опросный лист в формах */
.oprosnyy{display:flex;align-items:center;gap:12px;font-size:14px;color:#555;padding:2px 4px}
.oprosnyy svg{color:var(--orange);flex:none}
.oprosnyy b{color:var(--black);font-weight:600}
.oprosnyy:hover b{color:var(--orange)}
.fsubmit{grid-template-columns:1fr}

/* ---------- Контакты ---------- */
.contacts-hero{position:relative;overflow:hidden;padding-bottom:56px}
.contacts-hero h1{margin:56px 0 24px}
.clines{margin:0;display:flex;flex-direction:column;gap:6px;font-size:17px;position:relative;z-index:1}
.clines div{display:flex;gap:6px;flex-wrap:wrap}.clines dt{color:#222}.clines dd{margin:0}
.clines a{text-decoration:underline}.clines a:hover{color:var(--orange)}
.contacts-hero__mark{position:absolute;right:-40px;top:24px;width:min(720px,55vw);height:auto;color:#ececec}
.map--wide{margin:0;border-radius:0;aspect-ratio:auto;height:clamp(300px,32vw,460px)}

/* ---------- Сертификаты ---------- */
.two-cols{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:40px}
.two-cols p{text-align:justify}
.incl{margin-top:48px;padding:26px 30px;border-radius:var(--r-lg);background:#fff;box-shadow:var(--shadow)}
.incl h3{font-size:18px;font-weight:600;margin-bottom:22px}
.incl ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr)}
.incl li{display:flex;align-items:center;gap:16px;padding:0 18px;border-left:1px solid #d5d5d5;font-size:15px;line-height:1.3}
.incl li:first-child{border-left:0;padding-left:0}
.incl svg{width:44px;height:auto;flex:none}

/* ---------- Кабинет ---------- */
.cab{padding-bottom:72px}
.cab-tabs{display:flex;gap:28px;border-bottom:1px solid var(--line);margin:22px 0 18px}
.cab-tabs a{display:inline-flex;align-items:center;gap:8px;padding:10px 0;border-bottom:3px solid transparent;margin-bottom:-2px;font-size:17px}
.cab-tabs a[aria-current=page]{font-weight:700;border-color:var(--orange)}
.cab-tabs a:hover{color:var(--orange)}
.cab-note{color:#666;max-width:760px;margin-bottom:28px;font-size:15px}
.cab-grid{display:grid;grid-template-columns:1fr 300px;gap:24px;align-items:start;margin-bottom:24px}
.cab-box{background:#fff;border-radius:var(--r-lg);box-shadow:var(--shadow);padding:26px 28px}
.cab-h{font-size:22px;font-weight:700;margin-bottom:18px}
.cab-sum{position:sticky;top:120px;background:var(--price);border-radius:var(--r-lg);padding:24px}
.cab-sum span{font-size:14px;color:#555}
.cab-sum b{display:block;font-size:26px;margin:4px 0 10px}
.cab-sum small{font-size:12px;color:#666;line-height:1.4;display:block}
.cab-empty{padding:26px;border:2px dashed #d0d0d0;border-radius:var(--r);color:#555}
.cab-empty a{color:var(--orange);text-decoration:underline}
.inv{width:100%;border-collapse:collapse}
.inv th{text-align:left;font-size:13px;font-weight:500;color:var(--gray);padding:0 10px 10px;border-bottom:1px solid #e3e3e3}
.inv td{padding:12px 10px;border-bottom:1px solid #eee;vertical-align:middle}
.inv__p{display:flex;align-items:center;gap:12px;font-weight:500;line-height:1.3}
.inv__p img{width:56px;height:56px;object-fit:contain;background:#efefef;border-radius:6px;mix-blend-mode:multiply;padding:4px}
.inv__p:hover span{color:var(--orange)}
.nw{white-space:nowrap}
.qty{display:inline-flex;align-items:center;border:1px solid #cfcfcf;border-radius:999px;overflow:hidden}
.qty button{width:32px;height:34px;font-size:18px}
.qty button:hover{background:var(--soft)}
.qty input{width:44px;height:34px;border:0;text-align:center;font:inherit;-moz-appearance:textfield}
.qty input::-webkit-inner-spin-button{-webkit-appearance:none}
.inv__x{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;color:#777}
.inv__x:hover{background:var(--soft);color:#e8322b}
.inv-add{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.inp--sm{height:44px;border-radius:999px;flex:1;min-width:220px}
.cab-form .lbl{display:block;font-size:13px;color:#666;margin:0 0 6px 6px}
.cab-form .inp{height:52px;border-radius:14px}
.cab-form textarea.inp{height:96px}
.cab-form select.inp{appearance:auto}
.cab-form [data-payer]{display:grid;grid-template-columns:1fr 1fr;gap:20px 16px}
.cab-form [data-payer][hidden]{display:none!important}
.seg{display:inline-flex;background:var(--soft);border-radius:999px;padding:4px;margin-bottom:22px;flex-wrap:wrap}
.seg input{position:absolute;opacity:0}
.seg span{display:block;padding:9px 20px;border-radius:999px;cursor:pointer;font-weight:500}
.seg input:checked+span{background:#000;color:#fff}
.seg input:focus-visible+span{outline:3px solid var(--blue)}
.cmp-bar{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.cmp-diff{display:flex;gap:8px;align-items:center;cursor:pointer}
.cmp{border-collapse:separate;border-spacing:0;min-width:100%}
.cmp th,.cmp td{border-bottom:1px solid #e6e6e6;padding:10px 14px;vertical-align:top;text-align:left;min-width:210px;font-size:15px}
.cmp .cmp__k{position:sticky;left:0;background:#fff;z-index:1;min-width:200px;max-width:240px;font-weight:500;color:#555;box-shadow:1px 0 0 #e6e6e6}
.cmp tr.is-diff td{background:#fff7f2}
.cmp__p{position:relative;display:flex;flex-direction:column;gap:10px}
.cmp__p a{display:flex;flex-direction:column;gap:8px;font-weight:600;line-height:1.3}
.cmp__p img{width:100%;max-width:180px;aspect-ratio:1;object-fit:contain;background:#efefef;border-radius:6px;mix-blend-mode:multiply;padding:10px}
.cmp__p .inv__x{position:absolute;right:0;top:0;background:#fff}
.cmp__p .btn{min-height:36px;padding:6px 14px;font-size:14px}
@media (max-width:900px){
  .cab-grid,.two-cols{grid-template-columns:1fr}
  .cab-sum{position:static}
  .incl ul{grid-template-columns:1fr 1fr;gap:18px}
  .incl li{border-left:0;padding:0}
  .cab-form [data-payer]{grid-template-columns:1fr}
  .inv thead{display:none}
  .inv tr{display:grid;grid-template-columns:1fr auto;gap:6px 12px;padding:12px 0;border-bottom:1px solid #eee}
  .inv td{border:0;padding:0}
  .inv td:first-child{grid-column:1/-1}
}
/* шапка: вход в кабинет */
.hdr__in{gap:clamp(14px,1.8vw,32px)}
.nav{gap:clamp(16px,1.9vw,30px);margin-left:0}
.hdr__cta{padding:8px 16px;gap:8px}
.cab-form .inp::placeholder,.inv-add .inp::placeholder{color:#a3a3a3}
@media (max-width:1280px){.hdr__contacts{font-size:14px}.hdr__logo{width:180px}}
@media (max-width:1200px) and (min-width:1101px){.hdr__contacts{display:none}.hdr__calc{margin-left:auto}}

/* ---------- Сравнение: значок весов ---------- */
.fav svg{width:23px;height:23px}
.fav.is-on{background:var(--orange);color:#fff;box-shadow:0 4px 14px rgba(255,75,0,.35)}
.fav.is-on svg{fill:none;color:#fff}

/* ---------- Первые экраны под высоту окна ----------
   Высота = окно минус шапка и подменю, в разумных пределах; на широких/высоких мониторах картинка не растягивается бесконечно */
:root{--hdr:102px;--subh:46px;--vh:100vh}
@supports (height:100svh){:root{--vh:100svh}}
@media (max-width:1100px){:root{--hdr:76px}}
.hero__in{min-height:clamp(500px,calc(var(--vh) - var(--hdr) - var(--subh)),980px)}
.hero-split__in{min-height:clamp(500px,calc(var(--vh) - var(--hdr) - var(--subh)),980px)}
.cat-hero__media .media{aspect-ratio:auto;height:clamp(300px,calc(var(--vh) - var(--hdr) - var(--subh) - 190px),600px)}
.cat-hero__media .media img{position:absolute;inset:0}
.cat-hero{align-items:center}
@media (min-width:1700px){.hero__bg{object-position:65% 30%}}
@media (max-width:900px){
  .hero__in,.hero-split__in{min-height:0}
  .hero__in{min-height:clamp(460px,calc(var(--vh) - var(--hdr) - var(--subh)),760px)}
  .hero-split__img{min-height:min(420px,55vw)}
  .cat-hero__media .media{height:auto;aspect-ratio:640/415}
  .cat-hero__media .media img{position:static}
}

/* ---------- Основатель (О компании): тёмная плашка, как в оригинале, в стилистике нового сайта ---------- */
.founder{position:relative;isolation:isolate;display:grid;grid-template-columns:minmax(300px,440px) 1fr;align-items:end;gap:clamp(24px,4vw,64px);margin:56px 0 72px;
  border-radius:28px;overflow:hidden;color:#fff;background:#08090b;border:1px solid rgba(255,255,255,.08);box-shadow:0 30px 80px rgba(0,0,0,.25)}
.founder::before{content:"";position:absolute;inset:0;z-index:-1;background:
  radial-gradient(60% 80% at 8% 100%,rgba(255,75,0,.28),transparent 60%),
  radial-gradient(50% 70% at 100% 0%,rgba(29,78,216,.22),transparent 60%),
  repeating-radial-gradient(circle at 110% 120%,rgba(255,255,255,.035) 0 1px,transparent 1px 26px)}
.founder::after{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:var(--grad);opacity:.9}
.founder__photo{position:relative;align-self:stretch;min-height:440px}
.founder__photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 15%;
  -webkit-mask-image:linear-gradient(90deg,#000 62%,transparent),linear-gradient(0deg,transparent 0,#000 18%);-webkit-mask-composite:source-in;
  mask-image:linear-gradient(90deg,#000 62%,transparent),linear-gradient(0deg,transparent 0,#000 18%);mask-composite:intersect}
.founder__badge{position:absolute;left:28px;bottom:36px;display:flex;flex-direction:column;padding:12px 18px 14px;border-radius:16px;background:var(--orange);color:#fff;font-size:12px;text-transform:uppercase;letter-spacing:.06em;line-height:1.2;box-shadow:0 12px 30px rgba(255,75,0,.35)}
.founder__badge b{font-size:30px;font-weight:800;text-transform:none;letter-spacing:0;line-height:1.1}
.founder__body{margin:0;padding:clamp(32px,4vw,56px) clamp(24px,4vw,56px) clamp(36px,4vw,56px) 0;position:relative}
.founder__body::before{content:"“";position:absolute;right:clamp(16px,3vw,40px);top:8px;font-size:180px;line-height:1;font-weight:800;color:rgba(255,255,255,.06)}
.founder__eyebrow{display:inline-flex;align-items:center;gap:12px;padding:7px 16px 7px 12px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.12em}
.founder__eyebrow i{width:30px;height:4px;border-radius:4px;background:var(--grad-r)}
.founder__lead{font-size:clamp(21px,2.2vw,29px);font-weight:700;line-height:1.3;margin:24px 0 22px;max-width:720px}
.founder__body p:not(.founder__lead){font-size:16px;line-height:1.65;color:rgba(255,255,255,.72);margin-bottom:14px;max-width:660px}
.founder__sign{margin-top:28px;padding:2px 0 2px 18px;border-left:3px solid var(--orange);display:flex;flex-direction:column;gap:2px}
.founder__sign b{font-size:20px}
.founder__sign span{color:rgba(255,255,255,.55);font-size:14px}
@media (max-width:900px){
  .founder{grid-template-columns:1fr;align-items:stretch}
  .founder__photo{min-height:0;aspect-ratio:4/3.4}
  .founder__photo img{object-position:50% 12%;-webkit-mask-image:linear-gradient(0deg,transparent 0,#000 30%);mask-image:linear-gradient(0deg,transparent 0,#000 30%)}
  .founder__body{padding:8px 22px 36px}
  .founder__badge{left:20px;bottom:20px}
}
/* главная: товар целиком на любом соотношении сторон, левый край фото растворяется в чёрном */
.hero__bg--product{object-fit:contain;object-position:right center;left:auto;width:auto;max-width:78%;-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 28%);mask-image:linear-gradient(90deg,transparent 0,#000 28%)}
@media (max-width:900px){.hero__bg--product{max-width:none;width:100%;object-fit:cover;object-position:60% 20%;-webkit-mask-image:none;mask-image:none}}

/* ---------- Шапка: телефон крупно, почта копируется по клику ---------- */
.hdr__contacts{gap:4px;font-weight:400;line-height:1.2}
.hdr__phone{font-size:19px;font-weight:700;letter-spacing:.01em;color:#fff}
.hdr__phone:hover{color:var(--orange)}
.hdr__line{display:flex;align-items:center;gap:8px}
.hdr__mail{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:#a9a9a9;padding:0;cursor:copy}
.hdr__mail:hover{color:#fff}
.hdr__mail .ico-copy{width:13px;height:13px;opacity:.85}
.hdr__mail.is-copied{color:var(--orange)}
.hdr__msg{display:inline-grid;width:22px;height:22px}
.hdr__msg svg{width:22px;height:22px}
.hdr__msg:hover{transform:translateY(-1px)}
.hdr__contacts a svg,.hdr__contacts .hdr__mail svg{width:auto}
@media (max-width:1280px){.hdr__phone{font-size:16px}.hdr__mail{font-size:13px}}

/* ---------- Контакты: фон — присланный вектор ---------- */
.contacts-hero__mark{position:absolute;right:0;top:24px;width:min(567px,42vw);height:auto;color:inherit;pointer-events:none}
@media (max-width:900px){.contacts-hero__mark{width:60vw;top:auto;bottom:0;opacity:.7}}

/* ---------- Подбор теплообменника ---------- */
.pb-lead{color:#555;max-width:860px;margin-bottom:26px}
.pb-grid{display:grid;grid-template-columns:420px 1fr;gap:24px;align-items:start;margin-bottom:28px}
.pb-form{position:static}
.pb-form fieldset{border:0;margin:0 0 16px;padding:14px 16px 16px;border-radius:14px;display:block}
.pb-fields{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.pb-form legend{padding:0;font-weight:600;margin-bottom:10px;display:flex;align-items:center;gap:8px}
.pb-form legend::before{content:"";width:10px;height:10px;border-radius:50%}
.pb-side--cold{background:#eef4ff}.pb-side--cold legend::before{background:var(--blue)}
.pb-side--hot{background:#fff1ea}.pb-side--hot legend::before{background:var(--orange)}
.pb-form .full{grid-column:1/-1}
.pb-form .lbl{display:block;font-size:13px;color:#555;margin:0 0 5px 4px}
.pb-form .inp{height:46px;border-radius:12px;padding:0 14px;font-size:15px}
.pb-form select.inp{appearance:auto}
.pb-row{display:grid;grid-template-columns:1fr auto 1fr;gap:10px;align-items:end;margin-bottom:14px}
.pb-row--2{grid-template-columns:1fr 1fr}
.pb-or{padding-bottom:13px;color:var(--gray);font-size:14px}
.pb-go{height:52px;border-radius:14px;margin-top:6px}
.pb-msg{margin-top:10px;font-size:14px}.pb-msg.is-err{color:#e8322b;font-weight:600}
.pb-sum .pb-kpi{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:18px}
.pb-kpi div{background:var(--soft);border-radius:14px;padding:12px 14px}
.pb-kpi span{display:block;font-size:12px;color:#666}
.pb-kpi b{font-size:19px}
.pb-types{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;font-size:15px}
.pb-types li{padding:9px 12px 9px 36px;border-radius:10px;position:relative}
.pb-types li::before{position:absolute;left:12px;top:8px;font-weight:700}
.pb-types .is-ok{background:#eef8ea}.pb-types .is-ok::before{content:"✓";color:var(--green)}
.pb-types .is-no{background:#f6f6f6;color:#777}.pb-types .is-no::before{content:"×";color:#bbb}
.pb-h{font-size:20px;margin:26px 0 16px}.pb-h span{color:var(--gray);font-weight:500}
.pb-cards{grid-template-columns:repeat(3,1fr)}
.card__fit{font-size:13px;color:#2d6b1e;background:#eef8ea;border-radius:8px;padding:6px 9px;margin:-4px 0 10px;line-height:1.35}
.pb-note{font-size:13px;color:#666;margin-top:20px;line-height:1.5}
.pb-note a{color:var(--orange);text-decoration:underline}
.pb-exact{display:grid;grid-template-columns:1fr 1.3fr;gap:32px;align-items:start}
.pb-exact__txt p{color:#555}
@media (max-width:1100px){.pb-grid{grid-template-columns:1fr}.pb-form{position:static}.pb-cards{grid-template-columns:repeat(2,1fr)}.pb-exact{grid-template-columns:1fr}}
@media (max-width:640px){.pb-sum .pb-kpi{grid-template-columns:1fr 1fr}.pb-row{grid-template-columns:1fr}.pb-or{padding:0}.pb-fields{grid-template-columns:1fr 1fr}}

/* ---------- Отрасли: карточки «Где применяются» — фото прижато к нижней обводке ---------- */
.app{height:100%}
.app__t{flex:1 1 auto}
.app img{display:block;margin-top:auto;flex:none}

/* ---------- Сравнение: фиксированная сетка, без «прыжков» при добавлении/удалении ---------- */
.cmp-wrap{min-height:420px}
.cmp{table-layout:fixed;width:max-content;min-width:0}
.cmp th,.cmp td{width:240px;min-width:240px;max-width:240px;overflow-wrap:anywhere}
.cmp .cmp__k{width:220px;min-width:220px;max-width:220px}
.cmp__p{min-height:330px}
.cmp__p a span{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;min-height:3.9em}
.cmp__p img{width:180px;height:180px;max-width:none;flex:none}
.cmp__p .btn{margin-top:auto}
/* запрос счёта: колонки фиксированной ширины */
.inv{table-layout:fixed}
.inv th:nth-child(2),.inv td:nth-child(2){width:110px}
.inv th:nth-child(3),.inv td:nth-child(3){width:130px}
.inv th:nth-child(4),.inv td:nth-child(4){width:130px}
.inv th:nth-child(5),.inv td:nth-child(5){width:46px}
.inv__p span{overflow-wrap:anywhere}
@media (max-width:900px){.inv{table-layout:auto}.inv td{width:auto!important}}

/* ---------- Меню «Каталог»: ссылка на весь каталог над типами ---------- */
.dd__all{grid-column:1/-1;display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:16px!important;color:var(--orange)!important;padding:0 0 4px!important;border-bottom:1px solid #eee}
.dd__all:hover{color:var(--orange-d)!important}

/* ---------- Главная: новый первый экран (товар + свечение, стеклянные плашки) ---------- */
.hero--home{background:#000}
.hero--home .hero__media{position:absolute;top:50%;transform:translateY(-50%);right:max(0px,calc((100vw - 1440px)/2));width:min(64vw,1000px,calc((100% - 40px) * .64));max-height:100%;aspect-ratio:920/666;container-type:size}
.hero--home .hero__media img{width:100%;height:100%;object-fit:cover;-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 16%);mask-image:linear-gradient(90deg,transparent 0,#000 16%);}
.hero__badge{position:absolute;display:flex;flex-direction:column;gap:2px;padding:1.8cqh 3cqh;border-radius:3.2cqh;background:rgba(38,40,48,.55);border:1px solid rgba(255,255,255,.22);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:#fff;box-shadow:0 10px 30px rgba(0,0,0,.35)}
.hero__badge b{font-size:clamp(14px,3.3cqh,24px);font-weight:500;line-height:1.2}
.hero__badge span{font-size:clamp(12px,2.4cqh,17px);opacity:.9}
.hero__badge--1{left:8.6%;top:8.6%;min-width:37%}
.hero__badge--2{left:57.4%;top:70.5%;min-width:35.8%}
.hero--home .hero__in{z-index:1}
@media (max-width:900px){
  .hero--home{display:flex;flex-direction:column}
  .hero--home .hero__media{position:relative;right:auto;top:auto;transform:none;width:100%;height:auto;max-height:none;aspect-ratio:920/666}
  .hero--home .hero__media img{-webkit-mask-image:none;mask-image:none}
  .hero--home .hero__in{min-height:0;padding-top:8px}
}

/* ---------- Каталог: недоступные варианты фильтра ---------- */
.filters label.is-off{color:#c4c4c4;cursor:not-allowed}
.filters label.is-off .cnt{color:#d6d6d6}
.filters input:disabled{cursor:not-allowed;opacity:.45}

/* ---------- Мобильные: подменю и вкладки товара прокручиваются с первого пункта ---------- */
@media (max-width:900px){
  .subnav ul,.tabs ul{justify-content:flex-start;padding:0 2px;-webkit-mask-image:linear-gradient(90deg,#000 85%,transparent);mask-image:linear-gradient(90deg,#000 85%,transparent)}
  .subnav ul{gap:24px}.tabs ul{gap:22px}
}
/* Тени на фото — как на старом сайте: снимок мягко растворяется по всем краям, сам человек не затемняется */
.founder{padding:clamp(18px,2.4vw,32px);align-items:stretch}
.founder__photo{border-radius:20px;overflow:hidden}
.founder__photo img{transition:transform .6s ease;object-position:50% 18%;
  -webkit-mask-image:linear-gradient(to right,transparent 0,#000 16%,#000 84%,transparent 100%),linear-gradient(to bottom,transparent 0,#000 13%,#000 87%,transparent 100%);
  -webkit-mask-composite:source-in;
  mask-image:linear-gradient(to right,transparent 0,#000 16%,#000 84%,transparent 100%),linear-gradient(to bottom,transparent 0,#000 13%,#000 87%,transparent 100%);
  mask-composite:intersect}
.founder__photo:hover img{transform:scale(1.04)}
.founder__badge{z-index:1;left:16%;bottom:15%}
.founder__body{padding:clamp(12px,2vw,28px) clamp(8px,2vw,28px) clamp(16px,2vw,28px) 0}
@media (max-width:900px){.founder__photo{aspect-ratio:4/4.4}.founder__body{padding:4px 6px 16px}.founder__badge{left:10%;bottom:10%}}
/* Категории: фото в первом блоке — пропорции макета 640×415 (кадры собраны под них, не обрезаем по бокам) */
.cat-hero__media .media{height:auto;aspect-ratio:640/415}
.cat-hero__media .media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center}

/* ---------- Мобильное меню: кнопки по центру, без линий-разделителей ---------- */
.mnav .btn{display:flex;justify-content:center;align-items:center;padding:12px 20px;border-bottom:0;font-size:16px;min-height:48px}
.mnav .btn--primary{color:#fff}

/* ---------- Плательщик: на узких экранах — две полноразмерные кнопки ---------- */
@media (max-width:560px){
  .seg{display:grid;grid-template-columns:1fr;gap:8px;width:100%;background:none;padding:0}
  .seg label{display:block}
  .seg span{text-align:center;padding:12px 16px;border:1px solid #cfcfcf;border-radius:14px;background:#fff}
  .seg input:checked+span{border-color:#000}
}

/* ---------- Карусели: если всё помещается — без стрелок и отступов под них ---------- */
.pcarousel.is-static{padding:0}
.carousel__nav[hidden],.arrow[hidden]{display:none!important}

/* ---------- Свайпы: горизонтальный жест отдаём слайдеру, вертикальный — прокрутке страницы ---------- */
.slider,.card__img,.pgal__main{touch-action:pan-y}

/* ---------- Главная: первый экран — реальное фото (main.png), товар справа, левый край уходит в чёрный ---------- */
.hero--main{background:#000}
.hero__main{position:absolute;bottom:0;right:-3vw;width:70vw;height:auto;max-width:none;object-fit:contain;pointer-events:none;
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 14%),linear-gradient(180deg,transparent 0,#000 24%);-webkit-mask-composite:source-in;
  mask-image:linear-gradient(90deg,transparent 0,#000 14%),linear-gradient(180deg,transparent 0,#000 24%);mask-composite:intersect}
.hero--main .hero__in{z-index:1}
.hero--main .hero__in>*{max-width:min(520px,44vw)}
@media (min-width:1700px){.hero__main{width:min(64vw,1400px);right:-2vw}}
@media (max-width:1180px) and (min-width:901px){.hero__main{width:70vw;right:-4vw}.hero--main .hero__in>*{max-width:44vw}}
@media (max-width:900px){
  .hero--main{display:flex;flex-direction:column}
  .hero__main{position:relative;right:auto;bottom:auto;width:118%;margin:0 0 -14% -16%;-webkit-mask-image:linear-gradient(0deg,transparent 0,#000 22%),linear-gradient(180deg,transparent 0,#000 16%);-webkit-mask-composite:source-in;mask-image:linear-gradient(0deg,transparent 0,#000 22%),linear-gradient(180deg,transparent 0,#000 16%);mask-composite:intersect}
  .hero--main .hero__in{min-height:0;padding-top:0}
  .hero--main .hero__in>*{max-width:none}
}

/* ---------- Производство: фото цеха (вертикальное) — кадрируем на рамы и трубные пучки ---------- */
.prod__img img{object-position:50% 52%}
.prod__img .glass{top:24px}

/* ---------- Клиенты: лента логотипов ---------- */
.partners .sec-head{margin-bottom:28px}
.logos{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.logos__track{display:flex;width:max-content;gap:18px;padding:6px 0 10px;animation:logos-scroll 40s linear infinite}
.logos:hover .logos__track{animation-play-state:paused}
.logos__item{flex:none;width:clamp(170px,16vw,230px);aspect-ratio:5/2;background:#fff;border:1px solid #e6e6e6;border-radius:16px;display:grid;place-items:center;padding:14px 18px;box-shadow:0 6px 18px rgba(0,0,0,.05)}
.logos__item img{width:100%;height:100%;object-fit:contain;filter:grayscale(1) contrast(1.05);opacity:.75;transition:filter .25s,opacity .25s}
.logos__item:hover img{filter:none;opacity:1}
@keyframes logos-scroll{from{transform:translateX(0)}to{transform:translateX(calc(-50% - 9px))}}
@media (prefers-reduced-motion:reduce){.logos__track{animation:none;flex-wrap:wrap;width:auto;justify-content:center;padding:0 var(--pad)}.logos__item[aria-hidden]{display:none}}
@media (max-width:900px){
  .prod__img{min-height:380px}
  .prod__img .glass{left:12px;top:12px;padding:10px 14px;border-radius:14px;max-width:220px;font-size:13px}
  .prod__img .glass b{font-size:14px}
}

/* ---------- Подбор теплообменника — по макету «Калькулятор» ---------- */
.pb2{padding-bottom:80px}
.pb2__eyebrow{margin-top:28px}
.pb2__title{font-size:clamp(30px,3.4vw,46px);line-height:1.12;margin:14px 0 18px}
.pb2__lead{font-size:16px;color:#333;max-width:520px;margin-bottom:36px}
.pb2__form{display:flex;flex-direction:column;gap:22px}
.pb2-card{border:1px solid #d3d3d3;border-radius:16px;padding:18px 18px 22px;background:#fff;margin:0;min-width:0}
.pb2-lbl{display:block;font-size:15px;color:#222;margin:2px 0 10px 2px}
.pb2-inp{width:100%;height:56px;border:1px solid #c9c9c9;border-radius:14px;padding:0 18px;font:inherit;font-size:15px;color:#111;background:#fff;transition:border-color .15s}
.pb2-inp::placeholder{color:#9b9b9b}
.pb2-inp:focus{outline:none;border-color:var(--orange)}
.pb2-inp.is-err{border-color:#e8322b}
select.pb2-inp{appearance:none;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3 6l5 5 5-5' fill='none' stroke='%23111' stroke-width='1.8'/%3E%3C/svg%3E") no-repeat right 18px center/16px;padding-right:46px}
select.pb2-inp:invalid,select.pb2-inp option[value=""]{color:#9b9b9b}
.pb2-top{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.pb2-mid{display:grid;grid-template-columns:minmax(0,1fr) minmax(220px,300px) minmax(0,1fr);gap:16px;align-items:stretch}
.pb2-side{display:flex;flex-direction:column;gap:14px}
.pb2-side__h{float:left;width:100%;padding:0;margin:2px 0 6px;font-size:15px;font-weight:600;display:flex;align-items:center;gap:12px}
.pb2-dot{width:8px;height:8px;border-radius:50%}
.pb2-dot--cold{background:#2F6BFF}.pb2-dot--hot{background:var(--orange)}
.pb2-ill{display:grid;place-items:center}
.pb2-ill svg{width:100%;max-width:300px;height:auto}
.pb2-contacts{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.pb2-bottom{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.pb2-checks{display:flex;flex-direction:column;gap:10px;font-size:15px}
.pb2-chk{display:flex;align-items:flex-start;gap:12px;cursor:pointer;line-height:1.35}
.pb2-chk input{appearance:none;flex:none;width:16px;height:16px;margin-top:2px;border:1.6px solid #111;border-radius:3px;background:#fff;display:grid;place-items:center}
.pb2-chk input:checked{background:#111}
.pb2-chk input:checked::after{content:"";width:8px;height:5px;border:2px solid #fff;border-top:0;border-right:0;transform:rotate(-45deg) translate(1px,-1px)}
.pb2-chk input:focus-visible{outline:3px solid var(--blue);outline-offset:2px}
.pb2-chk a{text-decoration:underline}
.pb2-chk.is-err{color:#e8322b}.pb2-chk.is-err input{border-color:#e8322b}
.pb2-submit{min-width:min(100%,380px);justify-content:center;height:46px}
.pb2__form .fmsg{margin:-6px 0 0}
.pb2-res{display:block}
.pb2-res[hidden]{display:none!important}
@media (max-width:1000px){
  .pb2-mid{grid-template-columns:1fr 1fr}
  .pb2-ill{grid-column:1/-1;order:-1}
  .pb2-ill svg{max-width:220px}
  .pb2-contacts{grid-template-columns:1fr 1fr}
  .pb2-contacts label:last-child{grid-column:1/-1}
}
@media (max-width:640px){
  .pb2-top,.pb2-mid,.pb2-contacts{grid-template-columns:1fr}
  .pb2-ill svg{max-width:170px}
  .pb2-submit{width:100%}
}
select.pb2-inp:has(option[value=""]:checked){color:#9b9b9b}
select.pb2-inp option{color:#111}
.pb2 .pb-msg:empty{display:none}
.pb2-res .pb-sum{box-shadow:none;border:1px solid #d3d3d3;border-radius:16px;padding:20px 22px}
.pb2-res .pb-cards{grid-template-columns:repeat(5,minmax(0,1fr))}
@media (max-width:1200px){.pb2-res .pb-cards{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media (max-width:900px){.pb2-res .pb-cards{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* ---------- «Заменим оборудование»: слайдер реальных фото (кадр 655×435: пара 3:4 или один горизонтальный) ---------- */
.slider--replace{aspect-ratio:655/435}
.slider__slide--pair{display:grid;grid-template-columns:1fr 1fr;gap:6px;background:#101114}
.slider__slide img{display:block}
.slider__badge{position:absolute;left:0;right:0;top:0;padding:22px 26px 46px;color:#fff;background:linear-gradient(180deg,rgba(0,0,0,.6),rgba(0,0,0,0));pointer-events:none;z-index:1}
.slider__badge b{display:block;font-size:18px;font-weight:600}
.slider__badge span{font-size:15px}
.slider--replace .slider__badge{padding-right:150px}
@media (max-width:640px){
  .slider__badge{padding:14px 16px 32px}.slider__badge b{font-size:15px}.slider__badge span{font-size:13px}
  .slider--replace .slider__badge{padding-right:120px}
  .slider__dots{top:10px;right:10px}
  .slider__dots button{width:26px;height:26px}.slider__dots button::after{width:12px;height:12px}
}

/* подбор: блок параметров (4 поля сверху), кнопка «Подобрать» справа */
.pb2-top--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.pb2-bottom .pb-msg{margin:0;flex:1}
.pb2-res{margin:28px 0}
@media (max-width:1100px){.pb2-top--4{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.pb2-top--4{grid-template-columns:1fr}}
.pb2-bottom .pb2-submit{margin-left:auto}

/* Галерея на страницах типов — без увеличения по клику */
.gallery img{cursor:default}
/* Главная, «Типы теплообменников»: на фото разборного аппарат правее центра — сдвигаем кадр, чтобы он стоял по центру карточки */
.tcard[href="razbornye"] .tcard__img img{object-position:100% 50%}

/* ---------- Подбор: два пути и сценарии ---------- */
.pb-mode{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:8px 0 26px}
.pb-mode__btn{position:relative;text-align:left;display:flex;flex-direction:column;gap:6px;padding:20px 22px 20px 78px;border:1.5px solid #d3d3d3;border-radius:16px;background:#fff;cursor:pointer;transition:border-color .2s,box-shadow .2s,background .2s}
.pb-mode__btn b{font-size:19px}
.pb-mode__btn span:not(.pb-mode__ico){font-size:14px;color:#555;line-height:1.4}
.pb-mode__ico{position:absolute;left:20px;top:20px;width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:#f1f1f1;color:#111;font-weight:700;font-size:14px}
.pb-mode__ico svg{width:16px;height:16px}
.pb-mode__btn:hover{border-color:#999}
.pb-mode__btn.is-on{border-color:var(--orange);box-shadow:0 10px 30px rgba(255,75,0,.12)}
.pb-mode__btn.is-on .pb-mode__ico{background:var(--orange);color:#fff}
.pb-presets{margin-bottom:26px}
.pb-presets[hidden]{display:none}
.pb-pgroup+.pb-pgroup{margin-top:18px}
.pb-pgroup__h{font-size:15px;font-weight:600;color:#555;margin:0 0 10px}
.pb-pgroup:first-child .pb-pgroup__h{color:var(--orange)}
.pb-pgrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.pb-preset{text-align:left;display:flex;flex-direction:column;gap:4px;padding:14px 16px;border:1px solid #d3d3d3;border-radius:14px;background:#fff;cursor:pointer;transition:border-color .2s,background .2s,transform .2s}
.pb-preset b{font-size:16px;line-height:1.25}
.pb-preset span{font-size:13px;color:#333}
.pb-preset small{font-size:12px;color:#8c8c8c}
.pb-preset:hover{border-color:#999;transform:translateY(-1px)}
.pb-preset.is-on{border-color:var(--orange);background:#fff6f2}
.pb-pgroup:first-child .pb-preset{border-color:#f3c9b5}
.pb-pgroup:first-child .pb-preset.is-on{border-color:var(--orange)}
.pb-hint{display:flex;flex-direction:column;gap:6px;margin:0 0 20px;padding:14px 18px;border-radius:14px;background:#fff6f2;border:1px solid #f3c9b5;font-size:14px;line-height:1.45}
.pb-hint[hidden]{display:none}
.pb-hint span{color:#444}

@media (max-width:800px){.pb-mode{grid-template-columns:1fr}.pb-pgrid{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.pb-pgrid{grid-template-columns:1fr}.pb-mode__btn{padding:16px 16px 16px 70px}.pb-mode__ico{left:16px;top:16px}}

.pb-hint p{margin:0}