*,*::before,*::after{box-sizing:border-box} img{max-width:100%;height:auto;display:block}
:root{--ink:#1F2328;--y:#F2C230;--y-d:#DDAE1E;--mut:#5A6068;--line:#D6D7D2;--bg:#F7F7F5;--tint:#ECEDEA;--hf:'Urbanist',system-ui,sans-serif;--bf:'Work Sans',system-ui,sans-serif}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;font-family:var(--bf);font-size:17px;line-height:1.62;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:var(--hf);line-height:1.08;letter-spacing:-.02em;margin:0;font-weight:800}
p{margin:0 0 1em}
a{color:var(--ink)}
:focus-visible{outline:3px solid var(--ink);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:1280px;margin:0 auto;padding:0 40px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 26px;background:var(--y);color:var(--ink);font-weight:600;font-size:16px;text-decoration:none;border:2px solid var(--y);border-radius:4px;cursor:pointer;font-family:var(--bf)}
.btn:hover{background:var(--y-d);border-color:var(--y-d)}
.btn--line{background:transparent;border-color:var(--ink)}.btn--line:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn--sm{min-height:42px;padding:0 18px;font-size:15px}
.btn--full{width:100%}

/* header */
.hd{position:sticky;top:0;z-index:50;background:rgba(247,247,245,.97);border-bottom:1px solid var(--line)}
.hd__in{display:flex;align-items:center;gap:28px;height:74px}
.logo{display:flex;align-items:center;gap:12px;color:var(--ink);text-decoration:none;font-family:var(--hf);font-weight:800;font-size:21px;letter-spacing:-.01em}
.nav{display:flex;gap:28px;margin-left:auto}
.nav a{text-decoration:none;font-size:15px;font-weight:500}
.nav a:hover{text-decoration:underline;text-underline-offset:4px}
.hd__tel{font-weight:600;text-decoration:none;font-variant-numeric:tabular-nums;font-size:15px}
.menu{display:none}

/* hero */
.hero{padding:72px 0 0}
.hero__band{display:grid;grid-template-columns:1.25fr 1fr;gap:72px;align-items:end;padding-bottom:56px}
.hero h1{font-size:clamp(2.4rem,5vw,4.2rem);line-height:1.04;letter-spacing:-.035em}
.lead{font-size:18px;color:#3A3F45;margin-bottom:28px}
.btns{display:flex;flex-wrap:wrap;gap:12px}
.hero__ph{margin:0 auto;max-width:1600px;padding:0 40px}
.hero__ph img{width:100%;aspect-ratio:21/9;object-fit:cover;object-position:50% 52%;border-radius:4px}
.hero__foot{display:grid;grid-template-columns:1fr 2fr;gap:56px;padding-top:22px;padding-bottom:88px;align-items:start}
.hero__cap{font-size:14px;color:var(--mut);margin:0;max-width:40ch}
.facts{display:grid;grid-template-columns:repeat(3,1fr);margin:0;gap:0}
.facts div{border-left:1px solid var(--line);padding:0 0 0 22px}
.facts dt{font-family:var(--hf);font-weight:800;font-size:30px;letter-spacing:-.02em;line-height:1.1;font-variant-numeric:tabular-nums}
.facts dd{margin:4px 0 0;font-size:14px;color:var(--mut)}

/* sections */
.sec{padding:104px 0}
.sec--tint{background:var(--tint)}
.sh{display:grid;grid-template-columns:120px 1fr;gap:24px;margin-bottom:56px;align-items:start}
.sh__n{font-family:var(--hf);font-weight:700;font-size:56px;line-height:.9;color:#B5B8B2;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.sh h2{font-size:clamp(2rem,3.4vw,3rem);margin-bottom:12px}
.sh p{color:var(--mut);max-width:62ch;margin:0}

/* chapters */
.ch{display:grid;grid-template-columns:1.1fr 1fr;gap:64px;align-items:center;margin-left:144px}
.ch+.ch{margin-top:80px}
.ch--flip .ch__ph{order:2}
.ch__ph{margin:0}
.ch__ph img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:4px}
.ch h3{font-size:30px;margin-bottom:12px}
.ch__txt>p{color:#3A3F45}
.spec{margin:24px 0 0;border-top:1px solid var(--ink)}
.spec div{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:12px 0;border-bottom:1px solid var(--line);font-size:15px}
.spec dt{color:var(--mut)}
.spec dd{margin:0}
.spec__p dd{font-weight:600;font-variant-numeric:tabular-nums}

/* estimator */
.est{display:grid;grid-template-columns:1fr 1fr;gap:0;margin-left:144px;border-radius:4px;overflow:hidden;border:1px solid var(--line)}
.est__ctl{background:#fff;padding:40px}
.seg{border:0;padding:0;margin:0 0 26px;display:flex;flex-wrap:wrap;gap:8px}
.seg:last-child{margin-bottom:0}
.seg legend{font-weight:600;font-size:15px;margin-bottom:10px;padding:0}
.seg label{position:relative}
.seg input{position:absolute;opacity:0;inset:0;margin:0}
.seg label span{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 18px;border:1px solid #BFC1BB;border-radius:4px;font-size:15px;cursor:pointer;background:#fff;font-variant-numeric:tabular-nums}
.seg input:checked+span{background:var(--ink);border-color:var(--ink);color:#fff}
.seg input:focus-visible+span{outline:3px solid var(--y);outline-offset:2px}
.est__out{background:var(--ink);color:#fff;padding:40px;display:flex;flex-direction:column}
.est__door{width:100%;max-width:420px;height:auto;margin-bottom:28px}
.est__lbl{font-size:14px;color:#B7BBC0;margin:0 0 4px}
.est__price{font-family:var(--hf);font-weight:800;font-size:46px;letter-spacing:-.03em;line-height:1.05;font-variant-numeric:tabular-nums;margin-bottom:20px}
.est__meta{display:grid;grid-template-columns:1fr 1fr;margin:0 0 28px;border-top:1px solid #3A3F45}
.est__meta div{padding:14px 0}
.est__meta dt{font-size:13px;color:#B7BBC0}
.est__meta dd{margin:2px 0 0;font-weight:600}
.est__out .btn{align-self:flex-start;margin-top:auto}

/* insulation */
.ins{display:grid;grid-template-columns:1.2fr 1fr;gap:72px;margin-left:144px;align-items:start}
.bar{display:grid;grid-template-columns:200px 1fr 64px;align-items:center;gap:16px;padding:14px 0;border-bottom:1px solid var(--line)}
.bar:first-child{border-top:1px solid var(--line)}
.bar span{font-size:15px}
.bar i{display:block;height:14px;width:var(--w);min-width:4px;background:var(--ink);border-radius:2px}
.bar:last-child i{background:repeating-linear-gradient(90deg,var(--ink) 0 100%)}
.bar b{text-align:right;font-variant-numeric:tabular-nums;font-family:var(--hf);font-size:18px}
.ins__txt p{color:#3A3F45}
.ins__note{border-left:3px solid var(--ink);padding-left:16px;margin:0}

/* process */
.pc{display:grid;grid-template-columns:400px 1fr;gap:72px;margin-left:144px;align-items:start}
.pc__ph{margin:0;position:sticky;top:100px}
.pc__ph img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:4px}
.pc__ph figcaption,.ab figcaption,.vf figcaption{font-size:14px;color:var(--mut);margin-top:10px}
.steps{list-style:none;margin:0;padding:0;counter-reset:s}
.steps li{counter-increment:s;display:grid;grid-template-columns:64px 1fr;padding:26px 0;border-top:1px solid #C9CBC5}
.steps li:last-child{border-bottom:1px solid #C9CBC5}
.steps li::before{content:counter(s);font-family:var(--hf);font-weight:800;font-size:28px;line-height:1.1}
.steps h3{font-size:22px;margin-bottom:6px;grid-column:2}
.steps p{grid-column:2;margin:0;color:#3A3F45}

/* work */
.wk{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-left:144px}
.wk figure{margin:0}
.wk img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:4px}
.wk figcaption{display:grid;grid-template-columns:1fr auto;gap:2px 16px;padding-top:14px;border-top:0}
.wk figcaption b{font-family:var(--hf);font-size:19px}
.wk figcaption span{grid-column:1;font-size:15px;color:var(--mut)}
.wk figcaption em{grid-column:2;grid-row:1/3;font-style:normal;font-family:var(--hf);font-weight:800;font-size:22px;font-variant-numeric:tabular-nums;align-self:start}

/* reviews */
.rv{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-left:144px}
.rv blockquote{margin:0;border-top:3px solid var(--ink);padding-top:24px;display:flex;flex-direction:column}
.rv p{font-size:18px;line-height:1.55;flex:1}
.rv footer b{display:block;font-family:var(--hf);font-size:18px}
.rv footer span{font-size:14px;color:var(--mut)}

/* about */
.ab{display:grid;grid-template-columns:1.35fr 1fr;gap:56px;margin-left:144px;align-items:start}
.ab__ph{margin:0}
.ab__ph img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:4px}
.ab__txt>p{font-size:18px;color:#3A3F45;margin-bottom:28px}
.cred{width:100%;border-collapse:collapse;font-size:15px}
.cred th,.cred td{text-align:left;padding:12px 0;border-top:1px solid var(--line);vertical-align:top}
.cred tr:last-child th,.cred tr:last-child td{border-bottom:1px solid var(--line)}
.cred th{font-weight:500;color:var(--mut);width:110px}

/* area */
.ar{display:grid;grid-template-columns:300px 1fr;gap:72px;margin-left:144px;align-items:center}
.ar__map{width:100%;height:auto}
.ar__map text{font-family:var(--bf)}
.ar__cols{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.ar__cols h3{font-size:18px;padding-bottom:10px;border-bottom:1px solid var(--ink);margin-bottom:4px}
.ar__cols ul{list-style:none;margin:0;padding:0}
.ar__cols li{padding:9px 0;border-bottom:1px solid var(--line);font-size:16px}
.ar__cols p{font-size:14px;color:var(--mut);margin-top:14px}

/* faq + form */
.qa{display:grid;grid-template-columns:1fr 1fr;gap:0 56px;margin-left:144px}
.qa div{padding:24px 0;border-top:1px solid var(--line)}
.qa h3{font-size:20px;margin-bottom:8px}
.qa p{margin:0;color:#3A3F45}
.vf{display:grid;grid-template-columns:1fr 1.15fr;gap:0;margin:72px 0 0 144px;background:var(--tint);border-radius:4px;overflow:hidden}
.vf__ph{margin:0;display:flex;flex-direction:column}
.vf__ph img{flex:1;width:100%;object-fit:cover;min-height:420px}
.vf__ph figcaption{padding:10px 16px 14px;margin:0}
.form{padding:44px}
.form__h{font-size:32px;margin-bottom:6px}
.form__sub{color:var(--mut);margin-bottom:26px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.fl{display:block;margin-bottom:16px}
.fl>span{display:block;font-size:14px;font-weight:600;margin-bottom:6px}
.fl em{font-style:normal;font-weight:400;color:var(--mut)}
.fl input,.fl select,.fl textarea{width:100%;font:inherit;font-size:16px;padding:12px 14px;border:1px solid #B5B8B2;border-radius:4px;background:#fff;color:var(--ink);min-height:48px}
.fl textarea{resize:vertical}
.fl input:focus,.fl select:focus,.fl textarea:focus{outline:2px solid var(--ink);outline-offset:0}
.form__ok{margin:16px 0 0;padding:14px 16px;background:#fff;border-left:3px solid var(--ink);font-size:15px}

/* footer */
.ft{background:var(--bg);border-top:1px solid var(--line);padding:72px 0 28px;font-size:15px}
.ft__big{font-family:var(--hf);font-weight:800;font-size:clamp(2.6rem,7vw,6rem);letter-spacing:-.04em;line-height:1;margin:0 0 48px}
.ft__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:40px;border-top:1px solid var(--ink);padding-top:28px}
.ft h3{font-size:15px;font-family:var(--bf);font-weight:600;letter-spacing:0;margin-bottom:10px}
.ft p{color:#3A3F45}
.ft__base{display:flex;justify-content:space-between;margin-top:40px;padding-top:18px;border-top:1px solid var(--line);font-size:14px;color:var(--mut)}
.ft__base p{margin:0}
.cbar{display:none}

@media (max-width:1150px){
  .ch,.est,.ins,.pc,.wk,.rv,.ab,.ar,.qa,.vf{margin-left:0}
  .sh{grid-template-columns:72px 1fr}.sh__n{font-size:40px}
  .hd__tel{display:none}
}
@media (max-width:900px){
  .wrap{padding:0 20px}
  .hd__in{height:64px;gap:12px}
  .hd .btn--sm{display:none}
  .logo{font-size:19px}
  .menu{display:flex;margin-left:auto;width:46px;height:46px;align-items:center;justify-content:center;background:none;border:1px solid var(--line);border-radius:4px;cursor:pointer}
  .menu i,.menu i::before,.menu i::after{display:block;width:20px;height:2px;background:var(--ink);position:relative;content:""}
  .menu i::before{position:absolute;top:-6px}.menu i::after{position:absolute;top:6px}
  .nav{display:none;position:absolute;top:64px;left:0;right:0;background:var(--bg);border-bottom:1px solid var(--line);flex-direction:column;gap:0;padding:8px 20px 16px}
  .nav a{padding:14px 0;border-bottom:1px solid var(--line);font-size:17px}
  .hd.is-open .nav{display:flex}
  .hero{padding-top:36px}
  .hero__band{grid-template-columns:1fr;gap:20px;padding-bottom:28px}
  .hero h1{font-size:2.45rem}
  .lead{font-size:17px}
  .btns .btn{flex:1 1 auto}
  .hero__ph{padding:0}
  .hero__ph img{aspect-ratio:4/3;border-radius:0}
  .hero__foot{grid-template-columns:1fr;gap:20px;padding-bottom:56px}
  .facts{grid-template-columns:1fr}
  .facts div{border-left:0;border-top:1px solid var(--line);padding:12px 0;display:flex;align-items:baseline;gap:12px}
  .facts dt{font-size:24px;min-width:96px}
  .facts dd{margin:0}
  .sec{padding:68px 0}
  .sh{grid-template-columns:1fr;gap:6px;margin-bottom:32px}
  .sh__n{font-size:32px}
  .ch,.ins,.pc,.ab,.ar{grid-template-columns:1fr;gap:28px}
  .ch+.ch{margin-top:56px}
  .ch--flip .ch__ph{order:0}
  .ch h3{font-size:26px}
  .spec div{grid-template-columns:96px 1fr}
  .est{grid-template-columns:1fr}
  .est__ctl,.est__out{padding:24px}
  .seg label{flex:1 1 calc(50% - 8px)}
  .seg label span{width:100%;padding:0 10px}
  .est__price{font-size:36px}
  .est__out .btn{align-self:stretch}
  .bar{grid-template-columns:1fr 64px;gap:6px 12px}
  .bar span{grid-column:1/-1}
  .pc__ph{position:static}
  .pc__ph img{aspect-ratio:4/3}
  .wk{grid-template-columns:1fr;gap:36px}
  .wk img{aspect-ratio:4/3}
  .rv{grid-template-columns:1fr;gap:36px}
  .ar__map{max-width:260px;margin:0 auto}
  .ar__cols{grid-template-columns:1fr 1fr;gap:28px}
  .ar__cols>div:last-child{grid-column:1/-1}
  .qa{grid-template-columns:1fr}
  .vf{grid-template-columns:1fr;margin-top:48px}
  .vf__ph img{min-height:0;aspect-ratio:4/3}
  .form{padding:24px}
  .row2{grid-template-columns:1fr;gap:0}
  .ft{padding-bottom:100px}
  .ft__grid{grid-template-columns:1fr 1fr;gap:28px}
  .ft__base{flex-direction:column;gap:8px}
  .cbar{display:grid;grid-template-columns:1fr 1.4fr;gap:8px;position:fixed;left:0;right:0;bottom:0;z-index:60;background:#fff;border-top:1px solid var(--line);padding:10px 12px}
  .cbar a{display:flex;align-items:center;justify-content:center;min-height:48px;border-radius:4px;font-weight:600;text-decoration:none;border:2px solid var(--ink);color:var(--ink)}
  .cbar a.cbar__main{background:var(--y);border-color:var(--y)}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
.spec__p dd span{display:block}
@media (max-width:900px){
  .seg--3 label{flex:1 1 0}
  .sec{padding:56px 0}
  .wk img{aspect-ratio:3/2}
  .wk{gap:28px}
  .steps li{grid-template-columns:40px 1fr;padding:20px 0}
  .pc__ph img{aspect-ratio:16/10}
  .ch__ph img{aspect-ratio:3/2}
}
@media (max-width:900px){.ft__grid{grid-template-columns:1fr}}