:root{
  --red:#c62828; --red-dark:#a31f1f; --ink:#182430; --ink-2:#3d4c5c; --mut:#68788a;
  --line:#e3e8ee; --bg:#f5f7fa; --card:#fff; --radius:12px;
  --shadow:0 1px 2px rgba(24,36,48,.06),0 8px 24px -12px rgba(24,36,48,.18);
  --font:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-h:'Manrope',var(--font);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.65;color:var(--ink);background:#fff}
img{max-width:100%;height:auto}
a{color:var(--red);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{font-family:var(--font-h);line-height:1.2;color:var(--ink);font-weight:800}
h1{font-size:clamp(1.5rem,3.4vw,2.2rem);margin:.2em 0 .5em}
h2{font-size:clamp(1.25rem,2.6vw,1.6rem);margin:1.8em 0 .7em}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* topbar */
.topbar{background:var(--ink);color:#b9c4cf;font-size:13.5px}
.topbar .container{display:flex;justify-content:space-between;gap:16px;padding-top:7px;padding-bottom:7px;flex-wrap:wrap}
.topbar a{color:#dfe6ec}
.topbar span,.topbar a{white-space:nowrap}
.topbar__l,.topbar__r{display:flex;gap:18px;flex-wrap:wrap}

/* header */
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);-webkit-backdrop-filter:blur(14px) saturate(1.4);backdrop-filter:blur(14px) saturate(1.4);transition:box-shadow .3s}
.header.scrolled{box-shadow:0 12px 34px -18px rgba(24,36,48,.38)}
.header .container{display:flex;align-items:center;gap:24px;min-height:76px;transition:min-height .25s}
.header.scrolled .container{min-height:62px}
.logo{position:relative}
.logo img{display:block;width:150px;height:auto;transition:transform .25s}
.logo:hover img{transform:scale(1.03)}
.logo-sub{font-size:11.5px;color:var(--mut);letter-spacing:.02em;margin-top:2px}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav>a,.nav-drop>button{position:relative;display:block;padding:10px 14px;font-weight:600;font-size:15px;color:var(--ink);background:none;border:0;font-family:inherit;cursor:pointer;line-height:1.4}
.nav>a::before,.nav-drop>button::before{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;background:var(--red);transform:scaleX(0);transform-origin:left;transition:transform .28s cubic-bezier(.4,0,.2,1)}
.nav>a:hover,.nav-drop>button:hover{color:var(--red);text-decoration:none}
.nav>a:hover::before,.nav-drop>button:hover::before,.nav>a.active::before,.nav-drop>button.active::before{transform:scaleX(1)}
.nav>a.active,.nav-drop>button.active{color:var(--red)}
.nav-drop{position:relative}
.nav-drop>button::after{content:"";display:inline-block;margin-left:7px;border:4px solid transparent;border-top-color:currentColor;transform:translateY(2px);transition:transform .25s}
.nav-drop.open>button::after{transform:translateY(-1px) rotate(180deg)}
.nav-drop__menu{position:absolute;top:calc(100% + 4px);left:0;min-width:260px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:8px;z-index:60;opacity:0;visibility:hidden;transform:translateY(10px);pointer-events:none;transition:opacity .22s,transform .22s,visibility .22s}
.nav-drop.open .nav-drop__menu,.nav-drop:focus-within .nav-drop__menu{opacity:1;visibility:visible;transform:none;pointer-events:auto}
.nav-drop__menu a{display:block;padding:9px 12px;border-radius:7px;color:var(--ink);font-weight:500;font-size:14.5px;transition:background .15s,padding-left .15s}
.nav-drop__menu a:hover{background:var(--bg);padding-left:16px;text-decoration:none}
.nav-drop__menu a span{color:var(--mut);font-size:12.5px;margin-left:6px}
.header__phone{display:flex;align-items:center;gap:11px;text-align:right;line-height:1.3}
.header__phonetext a{font-family:var(--font-h);font-weight:800;font-size:17px;color:var(--ink);white-space:nowrap}
.header__phonetext a:hover{color:var(--red);text-decoration:none}
.header__phone small{color:var(--mut);font-size:12px}
.gauge{width:44px;height:44px;flex:none}
.gauge__needle{transform-origin:24px 25px;animation:needle 3.4s ease-in-out infinite alternate}
@keyframes needle{0%{transform:rotate(-52deg)}45%{transform:rotate(38deg)}62%{transform:rotate(22deg)}100%{transform:rotate(46deg)}}
.flowline{height:2.5px;background:linear-gradient(90deg,rgba(198,40,40,.10),rgba(198,40,40,.22),rgba(198,40,40,.10));position:relative;overflow:hidden}
.flowline::before{content:"";position:absolute;top:0;bottom:0;left:-30%;width:28%;background:linear-gradient(90deg,transparent,var(--red) 30%,#ff7a5c 50%,var(--red) 70%,transparent);animation:flow 3.4s cubic-bezier(.45,.05,.55,.95) infinite}
@keyframes flow{to{left:104%}}
.nav__phones{display:none}
.btn{display:inline-block;padding:11px 22px;border-radius:9px;font-weight:700;font-size:15px;line-height:1.2;cursor:pointer;border:0;font-family:inherit;text-align:center}
.btn--red{position:relative;overflow:hidden;background:linear-gradient(135deg,#d43a2f,var(--red) 55%,var(--red-dark));color:#fff!important;box-shadow:0 6px 16px -8px rgba(198,40,40,.55);transition:box-shadow .25s,transform .25s}
.btn--red:hover{text-decoration:none;box-shadow:0 10px 22px -8px rgba(198,40,40,.65);transform:translateY(-1px)}
.btn--red::after{content:"";position:absolute;top:0;left:-90%;width:55%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.38),transparent);transform:skewX(-20deg);transition:left .55s ease}
.btn--red:hover::after{left:140%}
.btn--ghost{background:#fff;color:var(--ink)!important;border:1.5px solid var(--line)}
.btn--ghost:hover{border-color:var(--mut);text-decoration:none}
.btn--light{background:#fff;color:var(--red)!important}
.burger{display:none;margin-left:auto;background:none;border:0;padding:8px;cursor:pointer}
.burger span{display:block;width:24px;height:2.5px;background:var(--ink);margin:5px 0;border-radius:2px;transition:transform .25s,opacity .2s}
.burger.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
@media(prefers-reduced-motion:reduce){
  .gauge__needle,.flowline::before{animation:none}
  html{scroll-behavior:auto}
}

/* hero */
.hero{position:relative;color:#fff;background:var(--ink)}
.hero__bg{position:absolute;inset:0;background:url(/img/hero.jpg) center/cover no-repeat;opacity:.45}
.hero__in{position:relative;padding:72px 0 84px;max-width:640px}
.hero h1{color:#fff;font-size:clamp(1.7rem,4.4vw,2.9rem);margin:0 0 18px}
.hero p{font-size:clamp(.95rem,1.6vw,1.13rem);color:#d7dee5;margin:0 0 28px}
.hero__btns{display:flex;gap:12px;flex-wrap:wrap}
.hero__stats{position:relative;display:flex;gap:34px;flex-wrap:wrap;margin-top:44px}
.hero__stat b{display:block;font-family:var(--font-h);font-size:26px;font-weight:800}
.hero__stat span{font-size:13.5px;color:#b9c4cf}

/* sections */
.section{padding:56px 0}
.section--gray{background:var(--bg)}
.section__head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:26px}
.section__head h2{margin:0}
.section__head a{font-weight:600;white-space:nowrap}

/* cards */
.grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.cat-card{position:relative;display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.18s;color:var(--ink)}
.cat-card:hover{box-shadow:var(--shadow);transform:translateY(-3px);text-decoration:none;border-color:#d3dae2}
.cat-card__img{height:170px;display:flex;align-items:center;justify-content:center;background:#fff;padding:14px}
.cat-card__img img{max-height:100%;object-fit:contain}
.cat-card__body{padding:16px 18px 18px;border-top:1px solid var(--line)}
.cat-card__body b{font-family:var(--font-h);font-size:16.5px}
.cat-card__body span{display:block;color:var(--mut);font-size:13.5px;margin-top:3px}
.prod-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.18s}
.prod-card:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:#d3dae2}
.prod-card__img{display:flex;align-items:center;justify-content:center;height:190px;padding:16px;background:#fff}
.prod-card__img img{max-height:100%;object-fit:contain}
.prod-card__body{display:flex;flex-direction:column;flex:1;padding:16px 18px 20px;border-top:1px solid var(--line)}
.prod-card__title{font-family:var(--font-h);font-weight:700;font-size:15.5px;line-height:1.35;color:var(--ink)}
.prod-card__title:hover{color:var(--red);text-decoration:none}
.prod-card__sub{color:var(--red);font-size:13px;font-weight:600;margin-top:4px}
.prod-card__text{color:var(--mut);font-size:13.8px;line-height:1.55;margin:10px 0 14px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.prod-card__more{margin-top:auto;font-weight:700;font-size:14px}

/* advantages */
.adv{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.adv__item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px}
.adv__item svg{width:34px;height:34px;stroke:var(--red);margin-bottom:14px}
.adv__item b{display:block;font-family:var(--font-h);font-size:16.5px;margin-bottom:7px}
.adv__item p{margin:0;color:var(--mut);font-size:14px;line-height:1.55}

/* breadcrumbs */
.crumbs{font-size:13.5px;color:var(--mut);margin:22px 0 6px;display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.crumbs a{color:var(--mut)}
.crumbs a:hover{color:var(--red)}
.crumbs li{list-style:none;display:flex;gap:6px;align-items:center}
.crumbs li+li::before{content:"›";color:#aab6c2}
ol.crumbs{padding:0;margin-left:0}

/* product page */
.phero{display:grid;grid-template-columns:minmax(280px,400px) 1fr;gap:34px;align-items:center;margin:10px 0 8px}
.phero__img{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;display:flex;justify-content:center}
.phero__img img{max-height:320px;object-fit:contain}
.phero__sub{color:var(--red);font-weight:700;font-size:15.5px;margin:-6px 0 12px}
.phero__lead{color:var(--ink-2);font-size:15.5px}
.pbuy{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:24px 26px;max-width:520px}
.pbuy__title{font-family:var(--font-h);font-weight:800;font-size:18px}
.pbuy__hint{color:var(--mut);font-size:14px;line-height:1.5;margin:6px 0 16px}
.pbuy__phones{display:grid;grid-template-columns:repeat(2,max-content);gap:12px 32px;margin:0 0 20px}
.pbuy__phones a{font-family:var(--font-h);font-weight:800;font-size:16.5px;color:var(--ink);white-space:nowrap}
.pbuy__phones a:hover{color:var(--red)}
@media(max-width:420px){.pbuy__phones{grid-template-columns:1fr}}

/* rich content */
.content{max-width:960px}
.content h2{padding-bottom:8px;border-bottom:2px solid var(--line);position:relative}
.content h2::after{content:"";position:absolute;left:0;bottom:-2px;width:64px;height:2px;background:var(--red)}
.content .img-main{display:block;float:right;max-width:min(380px,46%);margin:0 0 18px 26px;border:1px solid var(--line);border-radius:10px;padding:10px;background:#fff}
.content .img-float{border:1px solid var(--line);border-radius:10px;padding:8px;background:#fff;margin-bottom:14px}
.content .img-left{float:left;margin-right:24px}
.content .img-right{float:right;margin-left:24px}
.content table.spec{width:100%;border-collapse:collapse;margin:14px 0 22px;font-size:14.5px;clear:both}
.content table.spec td{border:1px solid var(--line);padding:10px 14px;vertical-align:top}
.content table.spec tr td:first-child{background:var(--bg);font-weight:600;width:38%}
.content table.spec tr:hover td{background:#fbfcfd}
.content table.spec tr:hover td:first-child{background:#eef2f6}
@media(max-width:640px){
  .content .img-main,.content .img-float{float:none!important;display:block;margin:0 auto 16px!important;max-width:100%!important}
  .content table.spec td{display:block;width:100%!important}
  .content table.spec tr td:first-child{border-bottom:0}
}

/* CTA band */
.cta{background:linear-gradient(120deg,var(--red) 0%,#8e1a1a 100%);color:#fff;border-radius:var(--radius);padding:36px 38px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;margin:46px 0 10px}
.cta b{font-family:var(--font-h);font-size:21px;display:block;margin-bottom:6px}
.cta p{margin:0;color:#ffd9d9;font-size:14.5px;max-width:560px}
.cta__btns{display:flex;gap:12px;flex-wrap:wrap}
.cta .btn--ghost{background:transparent;color:#fff!important;border-color:rgba(255,255,255,.45)}
.cta .btn--ghost:hover{border-color:#fff}

/* contacts */
.contacts{display:grid;grid-template-columns:1fr 1.2fr;gap:26px;align-items:start}
.contacts__card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px}
.contacts__card dt{color:var(--mut);font-size:13px;text-transform:uppercase;letter-spacing:.06em;margin:18px 0 4px}
.contacts__card dt:first-child{margin-top:0}
.contacts__card dd{margin:0;font-size:15.5px}
.contacts__card dd a{color:var(--ink);font-weight:600}
.contacts__card dd a:hover{color:var(--red)}
.contacts__map{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;min-height:420px}
.contacts__map iframe{display:block;width:100%;height:100%;min-height:420px;border:0}

/* form */
.form{max-width:760px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.form__grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form__field{display:flex;flex-direction:column;gap:6px}
.form__field--full{grid-column:1/-1}
.form label{font-weight:600;font-size:14px}
.form input,.form textarea{font:inherit;padding:11px 13px;border:1.5px solid var(--line);border-radius:8px;background:#fff;width:100%}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--red)}
.form__consent{font-size:13.5px;color:var(--mut);font-weight:400;display:flex;gap:8px;align-items:flex-start}
@media(max-width:640px){.form__grid{grid-template-columns:1fr}}

/* search */
.search-box input{font:inherit;font-size:17px;width:100%;max-width:560px;padding:13px 16px;border:1.5px solid var(--line);border-radius:10px}
.search-box input:focus{outline:none;border-color:var(--red)}
#search-results{margin-top:26px}

/* footer */
.footer{background:var(--ink);color:#aab6c2;margin-top:70px;border-top:4px solid var(--red)}
.footer a{color:#dfe6ec}
.footer a:hover{color:#fff}
.footer__grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:32px;padding:44px 0 36px}
.footer h3{color:#fff;font-size:15px;margin:0 0 14px}
.footer ul{list-style:none;margin:0;padding:0}
.footer li{margin-bottom:9px;font-size:14.5px}
.footer__logo img{width:130px;filter:brightness(0) invert(1);opacity:.9}
.footer__about{font-size:13.5px;line-height:1.6;margin-top:12px}
.footer__bottom{border-top:1px solid rgba(255,255,255,.09);padding:16px 0;font-size:13px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.footer__phones a{display:block;font-family:var(--font-h);font-weight:700;font-size:16px;margin-bottom:7px;white-space:nowrap}

/* adaptive */
@media(max-width:960px){
  .footer__grid{grid-template-columns:1fr 1fr}
  .phero{grid-template-columns:1fr}
  .phero__img img{max-height:320px}
  .contacts{grid-template-columns:1fr}
  .header__phone{display:none}
}
@media(max-width:820px){
  .burger{display:block}
  .nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:10px 14px 16px;box-shadow:0 14px 24px -12px rgba(24,36,48,.25);margin-left:0}
  .nav.open{display:flex}
  .nav-drop__menu{position:static;box-shadow:none;border:0;padding-left:14px;display:none;opacity:1;visibility:visible;transform:none;pointer-events:auto;transition:none}
  .nav-drop.open .nav-drop__menu{display:block}
  .header>.container>.btn{display:none}
  .topbar__l span:nth-child(2){display:none}
  .nav__phones{display:block;border-top:1px solid var(--line);margin-top:10px;padding:14px 14px 6px}
  .nav__phones a.tel{display:block;font-family:var(--font-h);font-weight:800;font-size:16.5px;color:var(--ink);margin-bottom:11px;white-space:nowrap}
  .nav__phones a.tel:hover{color:var(--red);text-decoration:none}
  .nav__phones .btn{margin-top:4px}
}
@media(max-width:560px){.footer__grid{grid-template-columns:1fr}}