:root{
  --wall:#f2f1ee;
  --wall-2:#e8e7e3;
  --ink:#1b1d1c;
  --stone:#646763;
  --line:#d6d5d0;
  --verde:#1f2e27;
  --verde-2:#2a3c33;
  --brass:#8f6a38;
  --brass-soft:#c9a874;
  --paper:#fbfaf7;
  --max:1240px;
  --display:"Forum","Times New Roman",serif;
  --text:"Golos Text",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
*,*:before,*:after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--wall);color:var(--ink);font:400 17px/1.6 var(--text);font-feature-settings:"kern","liga"}
img{max-width:100%;display:block}
a{color:inherit}
p{margin:0 0 1em}
h1,h2,h3{font-family:var(--display);font-weight:400;letter-spacing:.005em;margin:0}
h1{font-size:clamp(44px,6.4vw,92px);line-height:.98}
h2{font-size:clamp(34px,4.2vw,58px);line-height:1.02}
h3{font-size:clamp(24px,2.2vw,30px);line-height:1.1}
:focus-visible{outline:2px solid var(--brass);outline-offset:3px}
::selection{background:var(--brass-soft);color:var(--ink)}
.container{width:min(var(--max),calc(100% - 48px));margin-inline:auto}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--wall);padding:10px 14px;z-index:100}
.skip:focus{left:8px}

.topbar{position:sticky;top:0;z-index:40;background:rgba(242,241,238,.92);backdrop-filter:saturate(1.2) blur(10px);border-bottom:1px solid var(--line)}
.nav{height:76px;display:flex;align-items:center;gap:32px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;flex-shrink:0}
.brand svg{width:34px;height:34px}
.brand b{font:400 25px/1 var(--display);letter-spacing:.14em}
.brand small{display:block;font-size:12px;color:var(--stone);letter-spacing:.02em;margin-top:3px}
.menu{display:flex;gap:26px;margin-left:auto;font-size:15px}
.menu a{text-decoration:none;color:var(--stone);padding:6px 0;border-bottom:1px solid transparent}
.menu a:hover{color:var(--ink)}
.menu a[aria-current]{color:var(--ink);border-color:var(--ink)}
.hamb{display:none;margin-left:auto;background:none;border:1px solid var(--line);width:44px;height:44px;border-radius:4px;cursor:pointer;color:var(--ink)}
.hamb span,.hamb span:before,.hamb span:after{display:block;width:18px;height:1.5px;background:currentColor;margin:auto;position:relative;transition:transform .2s}
.hamb span:before,.hamb span:after{content:"";position:absolute;left:0}
.hamb span:before{top:-6px}.hamb span:after{top:6px}
.hamb[aria-expanded=true] span{background:transparent}
.hamb[aria-expanded=true] span:before{transform:translateY(6px) rotate(45deg)}
.hamb[aria-expanded=true] span:after{transform:translateY(-6px) rotate(-45deg)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:50px;padding:0 24px;border:1px solid var(--ink);background:var(--ink);color:var(--wall);font:500 15px/1 var(--text);text-decoration:none;border-radius:3px;cursor:pointer;transition:background .2s,color .2s}
.btn:hover{background:var(--verde);border-color:var(--verde)}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:var(--wall)}
.btn.light{background:var(--wall);color:var(--ink);border-color:var(--wall)}
.btn.light:hover{background:var(--brass-soft);border-color:var(--brass-soft)}
.nav .btn{min-height:42px;padding:0 18px;font-size:14px}
.link{color:var(--ink);text-decoration:underline;text-decoration-color:var(--brass-soft);text-underline-offset:4px;text-decoration-thickness:1px}
.link:hover{text-decoration-color:var(--ink)}
.muted{color:var(--stone)}
.small{font-size:14px}

.hero{padding:56px 0 88px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:64px;align-items:center}
.hero h1{max-width:10.5em}
.hero .lead{margin-top:28px}
.lead{font-size:clamp(18px,1.6vw,21px);line-height:1.55;color:#3d403e;max-width:34em}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:36px}
.hero-facts{display:grid;grid-template-columns:repeat(3,auto);justify-content:start;gap:40px;margin-top:56px;padding-top:24px;border-top:1px solid var(--line);font-size:15px;color:var(--stone)}
.hero-facts b{display:block;font:400 30px/1.1 var(--display);color:var(--ink)}

.slab-stage{position:relative;padding:0 0 40px 40px}
.slab{position:relative;height:min(78vh,680px);min-height:460px;display:flex;background:var(--wall-2);box-shadow:0 1px 0 rgba(0,0,0,.05),0 30px 60px -30px rgba(27,29,28,.45);overflow:hidden}
.slab .half{flex:1 1 100%;background-size:cover;background-position:right center;transition:flex-basis .9s cubic-bezier(.7,0,.2,1)}
.slab .half.mirror{flex-basis:0;transform:scaleX(-1)}
.slab.matched .half{flex-basis:50%}
.slab.matched .half.mirror{flex-basis:50%}
.slab:after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(255,255,255,.28) 0%,rgba(255,255,255,0) 32%,rgba(255,255,255,0) 70%,rgba(255,255,255,.12) 100%);pointer-events:none}
.seam{position:absolute;top:0;bottom:0;left:50%;width:1px;background:rgba(0,0,0,.18);opacity:0;transition:opacity .4s .5s}
.slab.matched .seam{opacity:1}
.yard-tag{position:absolute;left:0;bottom:0;width:250px;background:var(--paper);padding:22px 22px 18px;font-size:13px;line-height:1.45;box-shadow:0 18px 40px -18px rgba(0,0,0,.4);transform:rotate(-1.5deg)}
.yard-tag:before{content:"";position:absolute;top:12px;right:14px;width:10px;height:10px;border-radius:50%;background:var(--wall-2);box-shadow:inset 0 1px 2px rgba(0,0,0,.25)}
.yard-tag strong{display:block;font:400 22px/1.1 var(--display);margin-bottom:10px}
.yard-tag dl{display:grid;grid-template-columns:auto 1fr;gap:3px 12px;margin:0}
.yard-tag dt{color:var(--stone)}
.yard-tag dd{margin:0;white-space:nowrap;font-variant-numeric:tabular-nums}
.match-toggle{position:absolute;right:16px;top:16px;background:rgba(251,250,247,.9);border:0;border-radius:3px;padding:10px 14px;font:500 13px/1 var(--text);color:var(--ink);cursor:pointer;display:flex;gap:8px;align-items:center}
.match-toggle i{width:16px;height:12px;border:1px solid currentColor;position:relative}
.match-toggle i:after{content:"";position:absolute;left:50%;top:0;bottom:0;border-left:1px solid currentColor}

section{padding:104px 0}
.band-top{border-top:1px solid var(--line)}
.head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:end;margin-bottom:48px}
.head p{color:var(--stone);max-width:32em;margin:0}
.head.single{grid-template-columns:1fr}

.stock{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px}
.slab-card{text-decoration:none;display:block}
.slab-card .img{aspect-ratio:4/5;background-size:cover;background-position:center;position:relative;overflow:hidden}
.slab-card .img:after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(255,255,255,.22),rgba(255,255,255,0) 40%)}
.slab-card h3{font-size:26px;margin-top:18px}
.slab-card .meta{display:flex;justify-content:space-between;gap:12px;font-size:14px;color:var(--stone);margin-top:6px}
.slab-card:hover h3{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:5px}
.in-stock{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--verde)}
.in-stock:before{content:"";width:7px;height:7px;border-radius:50%;background:#4f7a60}
.in-stock.low{color:var(--brass)}
.in-stock.low:before{background:var(--brass-soft)}

.why{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:72px;align-items:start}
.why-img{position:sticky;top:110px;aspect-ratio:1/1;background-size:220%;background-position:30% 40%}
.why-list{display:grid;gap:40px}
.why-list h3{margin-bottom:10px}
.why-list p{color:#474a47;max-width:34em;margin:0}

.uses{border-top:1px solid var(--ink)}
.use{display:grid;grid-template-columns:1.1fr 1.6fr 1.3fr 64px;gap:28px;align-items:center;padding:24px 0;border-bottom:1px solid var(--line)}
.use h3{font-size:26px}
.use p{margin:0;color:#474a47;font-size:16px}
.use .fit{font-size:15px}
.use .dot{width:64px;height:64px;border-radius:50%;background-size:cover;background-position:center}

.dark{background:var(--verde);color:#e8ece7}
.dark .muted,.dark .head p{color:#a9b8ae}
.dark .link{color:#fff;text-decoration-color:var(--brass-soft)}

.calc-wrap{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:0;border:1px solid rgba(255,255,255,.14)}
.calc{padding:36px;display:grid;grid-template-columns:1fr 1fr;gap:22px 24px}
.calc .full{grid-column:1/-1}
.calc label,.form label{display:grid;gap:8px;font-size:14px}
.dark .calc label{color:#c7d2ca}
.field{width:100%;min-height:50px;border:1px solid var(--line);background:var(--paper);color:var(--ink);border-radius:3px;padding:12px 14px;font:400 16px/1.3 var(--text);appearance:none}
select.field{background-image:linear-gradient(45deg,transparent 50%,currentColor 50%),linear-gradient(135deg,currentColor 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 15px) 50%;background-size:5px 5px;background-repeat:no-repeat;padding-right:40px}
.dark .field{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.18);color:#fff}
.dark select.field option{color:var(--ink)}
textarea.field{min-height:130px;resize:vertical}
.seg{display:flex;border:1px solid rgba(255,255,255,.18);border-radius:3px;overflow:hidden}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg label{flex:1;display:block;text-align:center;padding:14px 8px;cursor:pointer;color:#c7d2ca;font-size:15px}
.seg label:not(:first-of-type){border-left:1px solid rgba(255,255,255,.18)}
.seg input:checked+label{background:var(--wall);color:var(--ink)}
.seg input:focus-visible+label{outline:2px solid var(--brass-soft);outline-offset:-2px}
.calc-out{padding:36px;background:rgba(0,0,0,.18);display:flex;flex-direction:column}
.calc-out .total{font:400 clamp(34px,3.4vw,48px)/1.05 var(--display);color:#fff;margin:6px 0 24px;font-variant-numeric:tabular-nums}
.calc-out dl{display:grid;grid-template-columns:1fr auto;gap:10px 16px;margin:0 0 24px;font-size:15px;font-variant-numeric:tabular-nums}
.calc-out dt{color:#a9b8ae}
.calc-out dd{margin:0;text-align:right}
.calc-out .btn{margin-top:auto}

.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:28px;counter-reset:s}
.steps li{counter-increment:s;padding-top:20px;border-top:1px solid var(--ink)}
.steps li:before{content:counter(s);display:block;font:400 44px/1 var(--display);color:var(--brass);margin-bottom:18px}
.steps h3{font-size:24px;margin-bottom:8px}
.steps p{font-size:15px;color:#474a47;margin:0}
.steps .when{display:block;margin-top:12px;font-size:13px;color:var(--stone)}
.steps.four{grid-template-columns:repeat(4,minmax(0,1fr))}

.faq{border-top:1px solid var(--ink);max-width:880px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:24px 48px 24px 0;position:relative;font:400 24px/1.25 var(--display)}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"";position:absolute;right:6px;top:34px;width:14px;height:14px;border-right:1.5px solid var(--ink);border-bottom:1.5px solid var(--ink);transform:rotate(45deg);transition:transform .25s}
.faq details[open] summary:after{transform:rotate(-135deg);top:40px}
.faq details p{color:#474a47;max-width:44em;padding-bottom:24px;margin:0}
.faq-grid{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);gap:64px}

.cta{position:relative;overflow:hidden;padding:96px 0;color:#fff;background:var(--verde)}
.cta .bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.55}
.cta:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(31,46,39,.9),rgba(31,46,39,.35))}
.cta.pale:after{background:linear-gradient(90deg,rgba(242,241,238,.92),rgba(242,241,238,.4))}
.cta.pale .bg{opacity:1}
.cta .container{z-index:1}
.cta .container{position:relative;display:flex;justify-content:space-between;gap:40px;align-items:end;flex-wrap:wrap}
.cta h2{max-width:13em}
.cta p{color:#dfe7e1;max-width:30em;margin:18px 0 0}

.page-title{padding:64px 0 56px;border-bottom:1px solid var(--line)}
.crumbs{font-size:14px;color:var(--stone);margin-bottom:28px}
.crumbs a{text-decoration:none}
.crumbs a:hover{text-decoration:underline}
.crumbs .sep{margin:0 8px;color:#b5b4ae}
.crumbs [aria-current]{color:var(--ink)}
.page-title .lead{margin-top:22px}
.page-title-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);gap:48px;align-items:end}
.page-title-grid .aside{font-size:15px;color:var(--stone);border-left:1px solid var(--line);padding-left:24px}
.page-title-grid .aside b{color:var(--ink);font-weight:500}

.toolbar{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;margin-bottom:40px}
.filters{display:flex;gap:6px;flex-wrap:wrap}
.chip{border:1px solid var(--line);background:transparent;color:var(--ink);border-radius:40px;padding:10px 18px;font:400 15px/1 var(--text);cursor:pointer}
.chip:hover{border-color:var(--ink)}
.chip[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:var(--wall)}
.sort{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--stone)}
.sort .field{min-height:42px;width:auto;padding:8px 40px 8px 12px;font-size:15px}
.count{font-size:14px;color:var(--stone);margin:-20px 0 28px}

.catalog{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:56px 32px}
.stone{display:flex;flex-direction:column}
.stone button.open{all:unset;cursor:pointer;display:block}
.stone button.open:focus-visible{outline:2px solid var(--brass);outline-offset:4px}
.stone .img{aspect-ratio:13/9;background-size:cover;background-position:center;position:relative;overflow:hidden}
.stone .img:after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(255,255,255,.2),rgba(255,255,255,0) 45%)}
.stone .row{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin-top:18px}
.stone h3{font-size:28px}
.stone .origin{font-size:14px;color:var(--stone);white-space:nowrap}
.stone p{font-size:15px;color:#474a47;margin:10px 0 16px}
.specs{display:grid;grid-template-columns:auto 1fr;gap:4px 16px;margin:0;font-size:14px;padding-top:14px;border-top:1px solid var(--line);font-variant-numeric:tabular-nums}
.specs dt{color:var(--stone)}
.specs dd{margin:0}
.stone .foot{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:auto;padding-top:16px}
.price{font:400 24px/1 var(--display)}
.price small{font:400 13px/1 var(--text);color:var(--stone);margin-left:4px}
.empty{padding:48px 0;text-align:left}
.note{font-size:14px;color:var(--stone);border-left:2px solid var(--brass-soft);padding:4px 0 4px 16px;max-width:52em;margin-top:64px}

dialog.stone-dialog{border:0;padding:0;width:min(1080px,calc(100% - 32px));max-height:calc(100dvh - 32px);background:var(--wall);color:var(--ink);box-shadow:0 40px 100px -20px rgba(0,0,0,.6)}
dialog.stone-dialog::backdrop{background:rgba(20,24,22,.62);backdrop-filter:blur(3px)}
dialog[open]{animation:pop .3s ease}
@keyframes pop{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.dlg{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr)}
.dlg-media{position:relative;min-height:520px}
.dlg-media .slab{height:100%;min-height:520px;box-shadow:none}
.dlg-body{padding:40px 36px;display:flex;flex-direction:column;gap:18px;overflow:auto}
.dlg-body h2{font-size:44px}
.dlg-body p{margin:0;color:#474a47}
.dlg-close{position:absolute;top:12px;right:12px;width:44px;height:44px;border:0;border-radius:50%;background:var(--paper);cursor:pointer;font-size:22px;line-height:1;z-index:2;color:var(--ink)}

.match-types{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px}
.mt .pv{aspect-ratio:1/1;display:grid;gap:2px;background:var(--line);overflow:hidden}
.mt .pv i{background-size:200% 100%;background-position:left center;display:block}
.mt h3{font-size:26px;margin-top:18px}
.mt p{font-size:15px;color:#474a47;margin:8px 0 0}
.pv.book{grid-template-columns:1fr 1fr}
.pv.book i:nth-child(2){transform:scaleX(-1)}
.pv.slip{grid-template-columns:1fr 1fr}
.pv.quad{grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr}
.pv.quad i{background-size:200% 200%;background-position:left top}
.pv.quad i:nth-child(2){transform:scaleX(-1)}
.pv.quad i:nth-child(3){transform:scaleY(-1)}
.pv.quad i:nth-child(4){transform:scale(-1,-1)}
.pv.cont{grid-template-columns:1fr 1fr 1fr}
.pv.cont i{background-size:300% 100%}
.pv.cont i:nth-child(1){background-position:0 0}
.pv.cont i:nth-child(2){background-position:50% 0}
.pv.cont i:nth-child(3){background-position:100% 0}

.scenario{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:64px;align-items:center;padding:64px 0;border-top:1px solid var(--line)}
.scenario:nth-child(even) .sc-img{order:2}
.sc-img{aspect-ratio:5/4;background-size:cover;background-position:center;position:relative}
.sc-img span{position:absolute;left:16px;bottom:16px;background:var(--paper);font-size:13px;padding:8px 12px}
.scenario h3{font-size:clamp(30px,3vw,40px);margin-bottom:16px}
.scenario p{color:#474a47;max-width:32em}
.scenario .specs{max-width:30em;margin-top:24px}

.two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:64px;align-items:start}
.offer{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;border-top:1px solid var(--ink)}
.offer article{padding:32px 32px 32px 0;border-bottom:1px solid var(--line)}
.offer article:nth-child(even){padding-left:32px;border-left:1px solid var(--line)}
.offer h3{margin-bottom:10px}
.offer p{margin:0;color:#474a47;max-width:30em}
.checklist{list-style:none;margin:0;padding:0;border-top:1px solid rgba(255,255,255,.2)}
.checklist li{padding:16px 0 16px 36px;border-bottom:1px solid rgba(255,255,255,.12);position:relative}
.checklist li:before{content:"";position:absolute;left:4px;top:23px;width:14px;height:7px;border-left:1.5px solid var(--brass-soft);border-bottom:1.5px solid var(--brass-soft);transform:rotate(-45deg)}
.samplebox{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;transform:rotate(-2deg)}
.samplebox i{aspect-ratio:1/1;background-size:cover;box-shadow:0 10px 20px -12px rgba(0,0,0,.5)}

.table-wrap{overflow-x:auto;border-top:1px solid var(--ink)}
table{width:100%;border-collapse:collapse;font-size:16px;min-width:640px}
th,td{text-align:left;padding:18px 20px 18px 0;border-bottom:1px solid var(--line);vertical-align:top}
th{font-weight:500;font-size:14px;color:var(--stone)}
td:first-child{font:400 22px/1.2 var(--display)}
td.num{white-space:nowrap;font-variant-numeric:tabular-nums}

.weight{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:64px;align-items:center}
.weight .big{font:400 clamp(80px,11vw,160px)/.9 var(--display);color:#fff}
.weight .big small{font-size:.3em;margin-left:8px;color:#c7d2ca}

.contact-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:72px;align-items:start}
.contact-list{display:grid;gap:28px;margin:0}
.contact-list dt{font-size:14px;color:var(--stone);margin-bottom:4px}
.contact-list dd{margin:0;font:400 26px/1.25 var(--display)}
.contact-list dd.plain{font:400 17px/1.55 var(--text)}
.form{display:grid;grid-template-columns:1fr 1fr;gap:20px 20px;background:var(--paper);padding:40px;border:1px solid var(--line)}
.form .full{grid-column:1/-1}
.form h2{font-size:38px}
.check{display:flex!important;grid-template-columns:none!important;gap:12px!important;align-items:flex-start;font-size:14px;color:var(--stone)}
.check input{width:18px;height:18px;margin:2px 0 0;accent-color:var(--verde);flex-shrink:0}
.form .status{font-size:14px;color:var(--verde);min-height:1.4em;margin:0}
.form .status.err{color:#9a3b2c}

.legal{max-width:760px}
.legal h2{font-size:30px;margin:48px 0 14px}
.legal p,.legal li{color:#3d403e}
.legal ul{padding-left:20px;margin:0 0 1em}

.footer{background:var(--ink);color:#b9bcb8;padding:72px 0 36px;font-size:15px}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:40px}
.footer .brand b{color:#fff}
.footer .brand small{color:#8e918d}
.footer h4{font:500 14px/1 var(--text);color:#fff;margin:6px 0 16px}
.footer .brand{display:flex;margin:0}
.footer a:not(.brand){display:block;text-decoration:none;margin:0 0 10px}
.footer a:hover{color:#fff}
.footer p{max-width:26em;margin-top:20px}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:56px;padding-top:24px;border-top:1px solid #333634;font-size:13px;color:#8e918d}

.reveal{opacity:0;transform:translateY(14px);animation:rise .9s cubic-bezier(.2,.7,.2,1) forwards}
.reveal.d1{animation-delay:.08s}.reveal.d2{animation-delay:.16s}.reveal.d3{animation-delay:.24s}.reveal.d4{animation-delay:.4s}
@keyframes rise{to{opacity:1;transform:none}}

@media (max-width:1080px){
  .menu{gap:18px}
  .nav .btn{display:none}
  .stock{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(3,minmax(0,1fr))}
  .match-types{grid-template-columns:repeat(2,minmax(0,1fr))}
  .catalog{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:900px){
  body{font-size:16px}
  .hamb{display:grid;place-items:center}
  .menu{display:none;position:absolute;top:76px;left:0;right:0;flex-direction:column;gap:0;background:var(--wall);border-bottom:1px solid var(--line);padding:8px 24px 20px;margin:0}
  .menu.open{display:flex}
  .menu a{padding:14px 0;border-bottom:1px solid var(--line);font-size:17px;color:var(--ink)}
  .menu a[aria-current]{border-color:var(--line);font-weight:500}
  section{padding:72px 0}
  .hero{padding:32px 0 64px}
  .hero-grid,.why,.head,.calc-wrap,.faq-grid,.two,.scenario,.weight,.contact-grid,.page-title-grid,.dlg{grid-template-columns:1fr}
  .head{gap:16px;margin-bottom:36px}
  .hero-grid{gap:40px}
  .slab-stage{padding:0 0 32px 24px}
  .slab{height:560px}
  .why-img{position:relative;top:0;aspect-ratio:16/9}
  .use{grid-template-columns:1fr 64px;gap:10px 20px}
  .use h3{grid-column:1}
  .use .dot{grid-column:2;grid-row:1/span 3;align-self:start;width:56px;height:56px}
  .use p,.use .fit{grid-column:1}
  .scenario{gap:28px;padding:48px 0}
  .scenario:nth-child(even) .sc-img{order:0}
  .offer{grid-template-columns:1fr}
  .offer article,.offer article:nth-child(even){padding:28px 0;border-left:0}
  .page-title-grid .aside{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:18px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .dlg-media,.dlg-media .slab{min-height:320px;height:320px}
  .dlg-body{padding:28px 22px}
  .dlg-body h2{font-size:36px}
}
@media (max-width:600px){
  .container{width:calc(100% - 32px)}
  .nav{height:68px}
  .menu{top:68px;padding:8px 16px 20px}
  .brand b{font-size:22px}
  .hero-facts{grid-template-columns:1fr 1fr;gap:20px 24px}
  .slab{height:460px;min-height:0}
  .yard-tag{width:210px;padding:18px 16px 14px}
  .stock,.catalog,.match-types,.steps,.steps.four{grid-template-columns:1fr}
  .slab-card .img{aspect-ratio:4/3}
  .calc,.form{grid-template-columns:1fr;padding:24px}
  .calc-out{padding:24px}
  .footer-grid{grid-template-columns:1fr}
  .actions .btn{flex:1 1 100%}
  .sort{width:100%}
  .sort .field{flex:1}
}
@media (prefers-reduced-motion:reduce){
  *,*:before,*:after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}
[id]{scroll-margin-top:96px}