/* Дымоход Эксперт — общий стиль. Светлая тема, Manrope, медный акцент. */
:root{
  --ink:#1F2933; --ink2:#3E4C59; --muted:#52606D; --faint:#7B8794;
  --line:#E1E5EA; --line2:#CBD2D9; --bg:#FFFFFF; --soft:#F4F5F7; --soft2:#F7F8FA;
  --cu:#C2501C; --cu-h:#A8441A; --cu-soft:#FBEDE6; --ok:#2E7D4F; --ok-soft:#E3F1E8; --steel:#8A99A8;
  --r:10px; --wrap:1280px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 Manrope,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--ink)} a:hover{color:var(--cu)}
img,svg{max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3{line-height:1.15;letter-spacing:-.01em;margin:0}
h1{font-size:clamp(28px,4vw,40px);font-weight:800}
h2{font-size:clamp(24px,3vw,32px);font-weight:800}
h3{font-size:18px;font-weight:800}
p{margin:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.sr{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.muted{color:var(--muted)} .small{font-size:13.5px} .ok{color:var(--ok);font-weight:600}
.stack{display:flex;flex-direction:column;gap:12px}
.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.between{justify-content:space-between}
.section{padding:48px 0 16px}
.section-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:18px}
.kicker{font-size:13.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--cu)}

/* кнопки */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 20px;border-radius:var(--r);border:none;background:var(--cu);color:#fff;font-weight:700;font-size:15.5px;text-decoration:none;transition:background .15s}
.btn:hover{background:var(--cu-h);color:#fff}
.btn-line{background:#fff;color:var(--ink);border:2px solid var(--ink)}
.btn-line:hover{background:var(--soft);color:var(--ink)}
.btn-dark{background:var(--ink)} .btn-dark:hover{background:#111A22}
.btn-sm{min-height:42px;padding:0 14px;font-size:14.5px}
.btn-block{width:100%}
.btn[disabled]{opacity:.55;cursor:wait}
.chip{min-height:44px;padding:0 14px;border-radius:9px;border:1px solid var(--line2);background:#fff;font-weight:600;font-size:14.5px;display:inline-flex;align-items:center;text-decoration:none}
.chip:hover{border-color:var(--ink);color:var(--ink)}
.chip[aria-pressed="true"],.chip.on{background:var(--ink);border-color:var(--ink);color:#fff}
.chip[disabled]{opacity:.35;cursor:not-allowed}
.pill{min-height:46px;padding:0 18px;display:inline-flex;align-items:center;border-radius:23px;background:var(--soft);text-decoration:none;font-weight:700}
.pill:hover{background:var(--line)}

/* служебная полоса и шапка */
.topbar{background:var(--soft);color:var(--ink2);font-size:13px;border-bottom:1px solid var(--line)}
.topbar .wrap{display:flex;flex-wrap:wrap;gap:6px 24px;justify-content:space-between;padding-top:8px;padding-bottom:8px}
.topbar nav{display:flex;flex-wrap:wrap;gap:4px 18px}
.topbar a{text-decoration:none;font-weight:600}
.header{border-bottom:1px solid var(--line);background:#fff;position:relative;z-index:5}
.header-main{display:flex;flex-wrap:wrap;gap:14px 20px;align-items:center;padding-top:16px;padding-bottom:14px}
.logo{display:flex;align-items:center;text-decoration:none;color:var(--ink);flex:none}
.logo{flex-direction:column;align-items:flex-start}
.logo img{display:block;height:60px;width:auto;position:relative;top:-10px}
.logo-tag{display:block;margin:-12px 0 0 59px;width:296px;font-size:11.5px;line-height:1.2;font-weight:600;color:var(--muted);text-align:justify;text-align-last:justify;letter-spacing:.02em;white-space:nowrap}
.logo b{display:block;font-weight:800;font-size:21px;letter-spacing:-.01em;line-height:1.1}
.logo>span>span{font-size:12.5px;color:var(--muted)}
.search{flex:1 1 200px;display:flex;min-width:0}
.search input{flex:1;min-width:0;height:46px;padding:0 16px;border:1px solid var(--line2);border-right:none;border-radius:8px 0 0 8px;background:var(--soft2);font-size:15px}
.search button{height:46px;padding:0 18px;border:none;border-radius:0 8px 8px 0;background:var(--ink);color:#fff;font-weight:700}
.contact{display:flex;flex-direction:column;line-height:1.2}
.contact .tel{font-weight:800;font-size:19px;text-decoration:none}
.contact a.cb{font-size:13px;font-weight:600;color:var(--cu)}
.msg{display:flex;gap:8px}
.msg a{height:44px;padding:0 12px;display:flex;align-items:center;border:1px solid var(--line2);border-radius:8px;text-decoration:none;font-weight:600;font-size:14px}
.cart-btn{height:44px;padding:0 14px;display:flex;align-items:center;gap:8px;border-radius:8px;background:var(--soft);text-decoration:none;font-weight:700;font-size:14px}
.cart-btn .n{min-width:22px;height:22px;border-radius:11px;background:var(--cu);color:#fff;font-size:12px;display:none;align-items:center;justify-content:center;padding:0 6px}
.cart-btn.has .n{display:inline-flex}
.catnav{display:flex;flex-wrap:wrap;gap:6px 24px;font-weight:600;font-size:15px;padding-bottom:12px}
.catnav a{text-decoration:none}
.catnav a.hl{color:var(--cu)}

/* хлебные крошки */
.crumbs{font-size:13.5px;color:var(--muted);padding:16px 0 4px;display:flex;flex-wrap:wrap;gap:6px}
.crumbs a{color:var(--muted)}

/* калькулятор */
.calc{background:var(--soft)}
.calc .wrap{padding-top:40px;padding-bottom:48px}
.calc-grid{display:flex;flex-wrap:wrap;gap:20px;align-items:stretch;margin-top:22px}
.calc-form{flex:999 1 640px;min-width:0;background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px;display:flex;flex-direction:column;gap:22px}
.calc-step{display:flex;flex-direction:column;gap:10px;border:none;margin:0;padding:0;min-width:0}
.calc-step legend{font-size:15px;font-weight:800;padding:0;margin-bottom:10px}
.schemes{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.scheme{padding:11px;border-radius:12px;border:1px solid var(--line);background:#fff;text-align:center;font-size:13.5px;font-weight:700;line-height:1.25}
.scheme svg{display:block;width:100%;height:84px;margin-bottom:6px}
.scheme[aria-pressed="true"]{padding:10px;border:2px solid var(--cu);background:var(--cu-soft)}
.calc-out{flex:1 1 360px;min-width:0;background:#fff;border:2px solid var(--ink);border-radius:16px;padding:24px;display:flex;flex-direction:column;gap:14px}
.parts{display:flex;flex-direction:column}
.parts div{display:flex;justify-content:space-between;gap:10px;padding:9px 0;border-bottom:1px solid var(--line);font-size:14.5px}
.parts b{white-space:nowrap}
.total{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.total b{font-size:28px;font-weight:800}
.warn{background:#FFF6E5;border:1px solid #F0D9A8;border-radius:9px;padding:10px 12px;font-size:13.5px}

/* плитки и карточки */
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}
.tile{text-decoration:none;color:var(--ink);border:1px solid var(--line);border-radius:14px;padding:18px;display:flex;gap:16px;align-items:center}
.tile:hover{border-color:var(--ink);color:var(--ink)}
.tile .ic{width:72px;height:72px;flex:none;background:var(--soft);border-radius:10px;display:flex;align-items:center;justify-content:center}
.tile .ic svg{width:46px;height:46px}
.tile b{display:block;font-weight:800;font-size:17px}
.tile span span{font-size:13.5px;color:var(--muted)}
.tile.accent{border:2px solid var(--cu);padding:17px}
.tile.accent .ic{background:var(--cu-soft)}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}
.card{border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column;background:#fff}
.card .pic{background:var(--soft);height:150px;display:flex;align-items:center;justify-content:center;text-decoration:none}
.card .pic svg{width:96px;height:96px}
.card .body{padding:16px;display:flex;flex-direction:column;gap:6px;flex:1}
.card .name{font-weight:700;text-decoration:none;line-height:1.3}
.card .price{font-size:20px;font-weight:800}
.card .btn{margin-top:auto}
.card[hidden]{display:none}
.kit{border:1px solid var(--line);border-radius:14px;padding:20px;display:flex;flex-direction:column;gap:10px}
.kit .tag{font-size:12.5px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.kit .name{font-weight:800;font-size:18px;line-height:1.25}
.kit .price{font-size:24px;font-weight:800;margin-top:4px}
.kit .btn{margin-top:auto}

/* блоки */
.panel{border:1px solid var(--line);border-radius:18px;padding:32px;display:flex;flex-wrap:wrap;gap:28px 32px;align-items:center}
.panel-soft{background:var(--soft);border-radius:18px;padding:28px}
.terms{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:22px}
.terms b{display:block;font-size:17px;margin-bottom:6px}
.terms span{font-size:14.5px;color:var(--ink2)}
.facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 24px;font-size:14.5px}
.photo{height:130px;border-radius:12px;background:var(--soft);display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--muted);text-align:center;padding:8px}
.articles{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}
.article{text-decoration:none;color:var(--ink);background:var(--soft);border-radius:14px;padding:22px;display:flex;flex-direction:column;gap:8px}
.article b{font-size:18px}
.article span{font-size:14.5px;color:var(--ink2)}

/* формы */
.form{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;display:flex;flex-direction:column;gap:14px}
.f{display:flex;flex-direction:column;gap:6px;min-width:0}
.f label,.f .lbl{font-size:14px;font-weight:600}
.f input[type=text],.f input[type=tel],.f input[type=email],.f textarea,.f select{height:46px;padding:0 14px;border:1px solid var(--line2);border-radius:8px;font-size:15px;background:#fff;width:100%}
.f textarea{height:auto;padding:12px 14px;resize:vertical;min-height:84px}
.f input:focus,.f textarea:focus,.f select:focus{outline:2px solid var(--cu);outline-offset:0;border-color:var(--cu)}
.f .err{font-size:13px;color:#B42318;display:none}
.f.bad input{border-color:#B42318}.f.bad .err{display:block}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.radios{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:14.5px;border:none;margin:0;padding:0}
.radios legend{font-size:14px;font-weight:600;margin-bottom:6px;padding:0}
.radios label{display:flex;gap:8px;align-items:center}
.agree{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted)}
.agree input{margin-top:3px}
.hp{position:absolute;left:-9999px;opacity:0;height:0;width:0}
.form-msg{font-size:14px;border-radius:8px;padding:10px 12px;display:none}
.form-msg.show{display:block}
.form-msg.bad{background:#FDECEC;color:#8A1C12}

/* каталог */
.cat-head{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;align-items:flex-end;margin:6px 0 18px}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.seo{max-width:860px;color:var(--ink2);font-size:15px;display:flex;flex-direction:column;gap:10px}
.seo h2{font-size:22px;color:var(--ink)}
.banner{background:var(--soft);border-radius:14px;padding:20px 22px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;margin:24px 0}

/* карточка товара */
.product{display:flex;flex-wrap:wrap;gap:32px;padding:10px 0 24px}
.product .gallery{flex:1 1 420px;min-width:0;background:var(--soft);border-radius:16px;min-height:380px;display:flex;align-items:center;justify-content:center}
.product .gallery svg{width:220px;height:220px}
.product .info{flex:1 1 460px;min-width:0;display:flex;flex-direction:column;gap:18px}
.opt{display:flex;flex-direction:column;gap:8px}
.opt .lbl{font-size:14px;font-weight:700}
.buy{border:2px solid var(--ink);border-radius:16px;padding:22px;display:flex;flex-direction:column;gap:14px}
.buy .price{font-size:34px;font-weight:800;line-height:1}
.qty{display:inline-flex;align-items:center;border:1px solid var(--line2);border-radius:9px;height:48px}
.qty button{width:44px;height:46px;border:none;background:none;font-size:20px;font-weight:700}
.qty input{width:48px;height:46px;border:none;text-align:center;font-weight:700;font-size:16px;-moz-appearance:textfield}
.qty input::-webkit-inner-spin-button{-webkit-appearance:none}
.specs{width:100%;border-collapse:collapse;font-size:15px}
.specs th,.specs td{text-align:left;padding:10px 0;border-bottom:1px solid var(--line);vertical-align:top}
.specs th{font-weight:600;color:var(--muted);width:46%;padding-right:12px}
.added{display:none;background:var(--ok-soft);color:#1E5535;border-radius:9px;padding:10px 12px;font-size:14px;font-weight:600}
.added.show{display:block}

/* корзина */
.cart-grid{display:flex;flex-wrap:wrap;gap:24px;align-items:flex-start;padding-bottom:56px}
.cart-main{flex:999 1 620px;min-width:0;display:flex;flex-direction:column;gap:22px}
.cart-side{flex:1 1 320px;min-width:0;position:sticky;top:16px;border:2px solid var(--ink);border-radius:16px;padding:22px;display:flex;flex-direction:column;gap:12px}
.cart-row{display:grid;grid-template-columns:64px minmax(0,1fr) auto auto;gap:14px;align-items:center;padding:14px 0;border-bottom:1px solid var(--line)}
.cart-row .ic{width:64px;height:64px;background:var(--soft);border-radius:10px;display:flex;align-items:center;justify-content:center}
.cart-row .ic svg{width:40px;height:40px}
.cart-row .t{font-weight:700;text-decoration:none}
.cart-row .sum{font-weight:800;white-space:nowrap;text-align:right}
.cart-row .del{border:none;background:none;color:var(--muted);font-size:13px;text-decoration:underline;padding:4px 0}
.empty{background:var(--soft);border-radius:14px;padding:28px;display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.steps{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:14px;color:var(--muted);margin:6px 0 20px}
.steps b{color:var(--ink)}

/* подвал */
.footer{background:var(--soft);border-top:1px solid var(--line);color:var(--ink2);margin-top:40px}
.footer .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:28px;font-size:14.5px;padding-top:40px;padding-bottom:40px}
.footer .col{display:flex;flex-direction:column;gap:8px}
.footer .col>b{color:var(--ink)}
.footer .bottom{border-top:1px solid var(--line);font-size:13px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;padding-top:14px;padding-bottom:26px}
.text-page{max-width:860px;padding-bottom:48px;display:flex;flex-direction:column;gap:14px;color:var(--ink2)}
.text-page h1{color:var(--ink);margin-bottom:6px}
.text-page h2{font-size:22px;color:var(--ink);margin-top:14px}
.text-page ul{margin:0;padding-left:22px;display:flex;flex-direction:column;gap:6px}

/* мобильная панель */
.mbar{display:none}
@media (max-width:760px){
  .wrap{padding:0 16px}
  .topbar{display:none}
  .header-main{gap:10px 12px;padding-top:12px}
  .logo img{height:38px;top:-6px}
  .logo-tag{display:none}
  .contact,.msg{display:none}
  .header-main .btn-cat{display:none}
  .cart-btn{order:2;margin-left:auto}
  .cart-btn .s{display:none}
  .search{order:4;flex-basis:100%}
  .catnav{flex-wrap:nowrap;overflow-x:auto;gap:18px;padding-bottom:10px;-webkit-overflow-scrolling:touch}
  .catnav a{white-space:nowrap}
  .calc .wrap{padding-top:24px;padding-bottom:28px}
  .calc-form,.calc-out{padding:18px}
  .schemes{grid-template-columns:repeat(2,minmax(0,1fr))}
  .panel{padding:22px}
  .facts,.grid2{grid-template-columns:minmax(0,1fr)}
  .product .gallery{min-height:240px}
  .cart-row{grid-template-columns:48px minmax(0,1fr) auto}
  .cart-row .ic{width:48px;height:48px}
  .cart-row .qty{grid-column:2/4;justify-self:start}
  .cart-side{position:static}
  body{padding-bottom:68px}
  .mbar{display:grid;grid-template-columns:repeat(3,1fr);position:fixed;left:0;right:0;bottom:0;z-index:20;background:#fff;border-top:1px solid var(--line);padding:8px 12px calc(8px + env(safe-area-inset-bottom));gap:8px}
  .mbar a{height:48px;display:flex;align-items:center;justify-content:center;border-radius:9px;font-weight:700;font-size:14.5px;text-decoration:none;background:var(--soft)}
  .mbar a.main{background:var(--cu);color:#fff}
}