*,*::before,*::after{box-sizing:border-box} img{max-width:100%;height:auto;display:block}
:root{--bg:#FAF8F4;--ink:#16201B;--acc:#1F5B43;--acc-d:#174634;--tint:#EAF1EC;--line:#DDE2DC;--mute:#56625B;--w:1240px}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.65 "Work Sans",system-ui,sans-serif;-webkit-font-smoothing:antialiased}
h1,h2,h3{margin:0;font-family:Urbanist,"Work Sans",sans-serif;font-weight:700;letter-spacing:-.015em;line-height:1.1}
p,dl,dd,figure{margin:0}
a{color:inherit}
:focus-visible{outline:3px solid var(--acc);outline-offset:3px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;z-index:99}
.skip:focus{left:8px}
.wrap{max-width:var(--w);margin:0 auto;padding:0 40px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 24px;background:var(--acc);color:#fff;text-decoration:none;font:600 16px/1 "Work Sans",sans-serif;border-radius:2px;border:1.5px solid var(--acc);cursor:pointer;transition:background .15s}
.btn:hover{background:var(--acc-d);border-color:var(--acc-d)}
.btn--line{background:transparent;color:var(--ink);border-color:#9AA79F}
.btn--line:hover{border-color:var(--ink);background:transparent}
.btn--sm{min-height:42px;padding:0 16px;font-size:15px}
.btn--full{width:100%}
.btns{display:flex;flex-wrap:wrap;gap:12px}
.stars{color:var(--acc);letter-spacing:2px}

/* header */
.top{position:sticky;top:0;z-index:50;background:rgba(250,248,244,.97);border-bottom:1px solid var(--line)}
.top__in{display:flex;align-items:center;gap:28px;height:76px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font:800 22px/1 Urbanist,sans-serif;letter-spacing:-.01em}
.logo em{font-style:normal;font-weight:600;color:var(--mute)}
.nav{display:flex;gap:28px;margin-left:auto}
.nav a{text-decoration:none;font-size:15px;color:var(--mute)}
.nav a:hover{color:var(--ink)}
.top__tel{font-weight:600;text-decoration:none;font-variant-numeric:tabular-nums;font-size:15px}
.menu{display:none}

/* hero */
.hero{padding:56px 0 0}
.hero__grid{display:grid;grid-template-columns:5fr 6fr;gap:64px;align-items:center}
.hero h1{font-size:clamp(2.5rem,4.6vw,4.2rem);line-height:1.04;letter-spacing:-.03em;font-weight:800;margin-bottom:26px}
.lead{font-size:18.5px;color:#34413A;margin-bottom:32px;max-width:48ch}
.hero__fig img{width:100%;aspect-ratio:5/4;object-fit:cover;object-position:40% 50%;border-radius:4px}
.hero__fig figcaption{font-size:13.5px;color:var(--mute);margin-top:10px}
.facts{list-style:none;margin:48px 0 0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--ink);border-bottom:1px solid var(--line)}
.facts li{padding:20px 24px 22px 0;border-right:1px solid var(--line);margin-right:24px}
.facts li:last-child{border-right:0;margin-right:0}
.facts b{display:block;font:700 22px/1.2 Urbanist,sans-serif;font-variant-numeric:tabular-nums;margin-bottom:2px}
.facts span{font-size:14px;color:var(--mute)}

/* section */
.sec{padding:112px 0}
.sec--tint{background:var(--tint)}
.sec--line{border-top:1px solid var(--line)}
.head{display:grid;grid-template-columns:6fr 5fr;gap:0;margin-bottom:56px;align-items:end}
.head h2{font-size:clamp(2rem,3.4vw,3rem);letter-spacing:-.025em;padding-right:48px;font-weight:800}
.head p{color:var(--mute);border-left:1px solid #B9C5BD;padding-left:32px;max-width:52ch}

/* compare table */
.cmp-wrap{overflow-x:auto}
.cmp{width:100%;border-collapse:collapse;min-width:760px}
.cmp thead th{font:700 21px/1.2 Urbanist,sans-serif;text-align:left;padding:0 24px 18px;border-bottom:1.5px solid var(--ink);vertical-align:bottom;width:28%}
.cmp thead td{border-bottom:1.5px solid var(--ink);width:16%}
.cmp tbody th{text-align:left;font-weight:500;font-size:14px;color:var(--mute);padding:18px 16px 18px 0;vertical-align:top;border-bottom:1px solid var(--line)}
.cmp td{padding:18px 24px;border-bottom:1px solid var(--line);vertical-align:top;font-size:16px;border-left:1px solid var(--line)}
.cmp thead th{border-left:1px solid var(--line)}
.cmp__price td{font:700 26px/1.2 Urbanist,sans-serif;font-variant-numeric:tabular-nums;color:var(--acc)}
.cmp__price small{font:500 14px "Work Sans",sans-serif;color:var(--mute)}
.extras{display:grid;grid-template-columns:16% 1fr;margin-top:28px;align-items:start}
.extras__h{font-size:14px;color:var(--mute);padding-top:2px}
.extras ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.extras li{font-size:15px;padding-left:22px;position:relative;line-height:1.45}
.extras li::before{content:"";position:absolute;left:0;top:5px;width:10px;height:6px;border-left:2px solid var(--acc);border-bottom:2px solid var(--acc);transform:rotate(-45deg)}

/* layer explorer */
.lx{background:#fff;border:1px solid #CFDCD3;border-radius:4px}
.lx__tabs{display:flex;border-bottom:1px solid #CFDCD3}
.lx__tabs button{all:unset;box-sizing:border-box;cursor:pointer;padding:20px 32px;font:600 17px/1.2 Urbanist,sans-serif;color:var(--mute);border-right:1px solid #CFDCD3;position:relative;min-height:60px}
.lx__tabs button[aria-selected=true]{color:var(--ink);background:#fff}
.lx__tabs button[aria-selected=true]::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:3px;background:var(--acc)}
.lx__tabs button:focus-visible{outline:3px solid var(--acc);outline-offset:-3px}
.lx__panel{display:grid;grid-template-columns:7fr 5fr;gap:48px;padding:40px}
.lx__panel:focus-visible{outline:3px solid var(--acc);outline-offset:-3px}
.lx__fig svg{width:100%;height:auto;display:block}
.lx__list{list-style:none;margin:0;padding:0;counter-reset:l}
.lx__list li{display:grid;grid-template-columns:30px 1fr;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);font-size:15px;color:var(--mute)}
.lx__list li:first-child{border-top:1px solid var(--line)}
.lx__list b{display:block;color:var(--ink);font-size:16px;font-weight:600}
.lx__list .sw{width:22px;height:22px;border-radius:2px;border:1px solid rgba(0,0,0,.15);display:grid;place-items:center;font:700 12px Urbanist,sans-serif;color:#fff;margin-top:2px}
.lx__price{margin-top:22px;display:grid;gap:2px}
.lx__price span{font-size:14px;color:var(--mute)}
.lx__price b{font:800 30px/1.15 Urbanist,sans-serif;font-variant-numeric:tabular-nums}
.lx__price small{font-size:14px;color:var(--mute)}

/* mosaic */
.mosaic{display:grid;grid-template-columns:4fr 7fr 3.6fr;gap:28px;align-items:start}
.mosaic img{width:100%;object-fit:cover;border-radius:4px}
.m1 img{aspect-ratio:3/4}
.m2 img{aspect-ratio:4/3}
.m3 img{aspect-ratio:2/3;object-position:50% 70%}
.m2{margin-top:72px}
.mosaic figcaption{font-size:14px;color:var(--mute);margin-top:12px;line-height:1.5}
.mosaic figcaption b{color:var(--ink);font-weight:600}

/* process rows */
.rows{list-style:none;margin:0;padding:0;border-top:1.5px solid var(--ink)}
.rows li{display:grid;grid-template-columns:80px 3fr 6fr 2fr;gap:32px;padding:26px 0;border-bottom:1px solid var(--line);align-items:baseline}
.rows__n{font:700 15px Urbanist,sans-serif;color:var(--acc);font-variant-numeric:tabular-nums}
.rows h3{font-size:22px}
.rows p{color:var(--mute)}
.rows__t{text-align:right;font-weight:600;font-variant-numeric:tabular-nums;font-size:15px}

/* about */
.about{display:grid;grid-template-columns:7fr 5fr;gap:80px;align-items:center}
.about__txt h2{font-size:clamp(2rem,3.4vw,3rem);letter-spacing:-.025em;font-weight:800;margin-bottom:26px}
.about__txt p{margin-bottom:16px;color:#34413A;max-width:62ch}
.creds{margin-top:32px;border-top:1px solid #C3D3C8}
.creds div{display:grid;grid-template-columns:130px 1fr;gap:20px;padding:13px 0;border-bottom:1px solid #C3D3C8;font-size:15px}
.creds dt{color:var(--mute)}
.about__fig img{width:100%;aspect-ratio:4/5;object-fit:cover;object-position:40% 50%;border-radius:4px}
.about__fig figcaption{font-size:14px;color:var(--mute);margin-top:10px}

/* reviews */
.rev{display:grid;grid-template-columns:repeat(3,1fr);border-top:1.5px solid var(--ink)}
.rev blockquote{margin:0;padding:32px 36px 8px;border-left:1px solid var(--line);display:flex;flex-direction:column}
.rev blockquote:first-child{border-left:0;padding-left:0}
.rev blockquote:last-child{padding-right:0}
.rev blockquote p{font-size:18px;line-height:1.6;margin-bottom:24px}
.rev blockquote p::before{content:"\201C";display:block;font:800 54px/0.8 Urbanist,sans-serif;color:var(--acc);margin-bottom:8px}
.rev footer{margin-top:auto;font-size:14px;color:var(--mute)}
.rev footer b{display:block;color:var(--ink);font-size:16px}

/* area */
.area{display:grid;grid-template-columns:7fr 4fr;gap:56px;align-items:start}
.area__map svg{width:100%;height:auto;display:block;border:1px solid var(--line);border-radius:4px}
.area__list h3{font-size:20px;padding-bottom:12px;border-bottom:1.5px solid var(--ink)}
.area__list ul{list-style:none;margin:0;padding:0}
.area__list li{display:flex;justify-content:space-between;gap:12px;padding:13px 0;border-bottom:1px solid var(--line)}
.area__list span{color:var(--mute);font-size:14px;font-variant-numeric:tabular-nums;white-space:nowrap}

/* faq */
.faqw{display:grid;grid-template-columns:4fr 7fr;gap:72px;align-items:start}
.faqw__head{position:sticky;top:110px}
.faqw__head h2{font-size:clamp(2rem,3.2vw,2.8rem);letter-spacing:-.025em;font-weight:800;margin-bottom:16px}
.faqw__head p{color:var(--mute)}
.faq details{border-top:1px solid #C3D3C8}
.faq details:last-child{border-bottom:1px solid #C3D3C8}
.faq summary{list-style:none;cursor:pointer;padding:22px 44px 22px 0;font:700 19px/1.3 Urbanist,sans-serif;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before,.faq summary::after{content:"";position:absolute;right:4px;top:50%;width:16px;height:2px;background:var(--acc)}
.faq summary::after{transform:rotate(90deg);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(0)}
.faq details p{padding:0 44px 24px 0;color:#34413A;max-width:66ch}

/* contact */
.ct{display:grid;grid-template-columns:5fr 6fr;gap:72px;align-items:start}
.ct__fig img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:4px}
.ct__fig figcaption{font-size:14px;color:var(--mute);margin-top:10px}
.ct__fig address{font-style:normal;margin-top:28px;padding-top:20px;border-top:1px solid var(--line);font-size:15px;line-height:1.8;color:var(--mute)}
.ct__fig address b{color:var(--ink)}
.ct__fig address a{color:var(--ink);text-decoration:none}
.form h2{font-size:clamp(2rem,3.2vw,2.8rem);letter-spacing:-.025em;font-weight:800;margin-bottom:10px}
.form__p{color:var(--mute);margin-bottom:28px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.f{margin:0 0 18px;border:0;padding:0}
.f>label,.f>legend{display:block;font-size:14px;font-weight:600;margin-bottom:6px;padding:0}
.opt-l{font-weight:400;color:var(--mute)}
.f input,.f select,.f textarea{width:100%;font:inherit;font-size:16px;padding:12px 14px;border:1px solid #C3CCC5;border-radius:2px;background:#fff;color:var(--ink);min-height:48px}
.f input:focus,.f select:focus,.f textarea:focus{outline:2px solid var(--acc);outline-offset:0;border-color:var(--acc)}
.form .seg{display:inline-flex;border:1px solid #C3CCC5;border-radius:2px;background:#fff}
.form .seg label{position:relative;display:flex}
.form .seg input{position:absolute;opacity:0;width:1px;height:1px}
.form .seg span{display:flex;align-items:center;min-height:46px;padding:0 18px;font-size:15px;cursor:pointer;line-height:1}
.form .seg label+label span{border-left:1px solid #C3CCC5}
.form .seg input:checked+span{background:var(--acc);color:#fff}
.form .seg input:focus-visible+span{outline:3px solid var(--acc);outline-offset:2px}
.form__ok{margin-top:14px;padding:14px;background:var(--tint);font-size:15px}

/* footer */
.foot{background:var(--tint);padding:72px 0 28px;font-size:15px;color:var(--mute);overflow:hidden}
.foot__mark{font:800 clamp(5rem,15vw,13rem)/.8 Urbanist,sans-serif;letter-spacing:-.04em;color:#CFE0D4;margin:0 0 48px -6px}
.foot__cols{display:grid;grid-template-columns:4fr 3fr 3fr 3fr;gap:32px;padding:32px 0 44px;border-top:1.5px solid var(--ink)}
.foot h3{font:700 16px Urbanist,sans-serif;color:var(--ink);margin-bottom:10px;letter-spacing:0}
.foot a{color:var(--ink);text-decoration:none}
.foot a:hover{text-decoration:underline}
.foot__base{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #C3D3C8;padding-top:22px;font-size:13px}
.callbar{display:none}

@media (max-width:1150px){
  .nav{display:none}
  .menu{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:46px;height:46px;border:1px solid var(--line);background:#fff;border-radius:2px;cursor:pointer;padding:0 12px}
  .menu span:not(.sr){display:block;height:2px;background:var(--ink)}
  .top__tel{margin-left:auto}
  .nav.open{display:flex;flex-direction:column;position:absolute;top:76px;left:0;right:0;background:var(--bg);border-bottom:1px solid var(--line);padding:8px 40px 20px;gap:0}
  .nav.open a{padding:14px 0;border-bottom:1px solid var(--line);font-size:17px;color:var(--ink)}
}
@media (max-width:960px){
  .hero__grid,.head,.lx__panel,.about,.area,.faqw,.ct{grid-template-columns:1fr}
  .hero__grid{gap:36px}
  .head{gap:16px}
  .head h2{padding-right:0}
  .head p{border-left:0;padding-left:0}
  .facts{grid-template-columns:1fr 1fr}
  .facts li:nth-child(2){border-right:0;margin-right:0}
  .facts li:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .extras{grid-template-columns:1fr;gap:12px}
  .extras ul{grid-template-columns:1fr 1fr}
  .mosaic{grid-template-columns:1fr 1fr}
  .m2{grid-column:1/-1;grid-row:1;margin-top:0}
  .rows li{grid-template-columns:50px 1fr;gap:6px 16px}
  .rows li p,.rows__t{grid-column:2}
  .rows__t{text-align:left;color:var(--acc)}
  .about{gap:40px}
  .faqw{gap:32px}
  .faqw__head{position:static}
  .rev{grid-template-columns:1fr}
  .rev blockquote,.rev blockquote:first-child{border-left:0;padding:28px 0;border-bottom:1px solid var(--line)}
  .foot__cols{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  body{font-size:16px}
  .wrap{padding:0 20px}
  .top__in{height:64px;gap:12px}
  .top__tel,.top .btn--sm{display:none}
  .menu{margin-left:auto}
  .nav.open{top:64px;padding:8px 20px 20px}
  html{scroll-padding-top:72px}
  .logo em{display:none}
  .hero{padding-top:36px}
  .hero__fig{margin:0 -20px}
  .hero__fig img{border-radius:0;aspect-ratio:4/3}
  .hero__fig figcaption{padding:0 20px}
  .facts{grid-template-columns:1fr;margin-top:32px}
  .facts li,.facts li:nth-child(2){border-right:0;margin-right:0;border-bottom:1px solid var(--line);padding:14px 0;display:flex;gap:14px;align-items:baseline}
  .facts li:last-child{border-bottom:0}
  .facts b{font-size:19px;min-width:120px}
  .sec{padding:76px 0}
  .head{margin-bottom:36px}
  .cmp{min-width:0}
  .cmp thead{display:none}
  .cmp,.cmp tbody,.cmp tr{display:block}
  .cmp tbody{display:grid;grid-template-columns:1fr}
  .cmp tr{display:grid;grid-template-columns:1fr;padding:14px 0;border-bottom:1px solid var(--line)}
  .cmp tbody th{border:0;padding:0 0 6px;font-weight:600;color:var(--ink)}
  .cmp td{border:0;padding:4px 0 4px 120px;position:relative;font-size:15px}
  .cmp td::before{position:absolute;left:0;top:4px;font:600 13px "Work Sans",sans-serif;color:var(--mute);width:110px}
  .cmp td:nth-of-type(1)::before{content:"Cementitious"}
  .cmp td:nth-of-type(2)::before{content:"Liquid rubber"}
  .cmp td:nth-of-type(3)::before{content:"Sheet / torch-on"}
  .cmp__price td{font-size:20px}
  .cmp__price td::before{top:9px}
  .extras ul{grid-template-columns:1fr;gap:10px}
  .lx__tabs{overflow-x:auto}
  .lx__tabs button{padding:16px 18px;font-size:15px;flex:0 0 auto}
  .lx__panel{padding:20px;gap:24px}
  .mosaic{grid-template-columns:1fr;gap:28px}
  .m1 img,.m3 img{aspect-ratio:4/3}
  .creds div{grid-template-columns:1fr;gap:2px}
  .about__fig img{aspect-ratio:4/3;object-position:40% 30%}
  .row2{grid-template-columns:1fr;gap:0}
  .form .seg{display:flex}
  .form .seg label{flex:1}
  .form .seg span{flex:1;justify-content:center;padding:0 10px;text-align:center}
  .foot{padding-bottom:100px}
  .foot__cols{grid-template-columns:1fr}
  .foot__base{flex-direction:column;gap:8px}
  .callbar{display:grid;grid-template-columns:1fr 1fr;position:fixed;left:0;right:0;bottom:0;z-index:60;background:#fff;border-top:1px solid var(--line);padding:8px;gap:8px}
  .callbar a{display:flex;align-items:center;justify-content:center;min-height:48px;border:1.5px solid var(--ink);border-radius:2px;text-decoration:none;font-weight:600;font-size:15px}
  .callbar .callbar__main{background:var(--acc);border-color:var(--acc);color:#fff}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
.lx__panel{align-items:center}
/* review fix: diagram sits in a tinted panel instead of floating low in white space */
.lx__fig{margin:0;background:#F3F6F4;border-radius:4px;padding:28px;display:flex;align-items:center;justify-content:center}
.lx__fig svg{width:100%}
@media (min-width:961px){.lx__fig{align-self:stretch}}