:root{
  --ink:#0a0f12;
  --ink2:#10181d;
  --ink3:#18232a;
  --paper:#eef1f2;
  --paper2:#f7f8f7;
  --line:#26343d;
  --lineL:#cbd2d6;
  --mut:#89969e;
  --text:#f2f5f6;
  --blue:#6ea8cf;
  --blue2:#a9cfe7;
  --signal:#fad201;
  --wrap:1360px;
  --g:40px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:86px;background:var(--ink)}
body{margin:0;background:var(--paper);color:var(--ink);font-family:'PT Sans',Arial,sans-serif;overflow-x:hidden}
body.menu-lock{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit}
button,a{-webkit-tap-highlight-color:transparent}
img,video{display:block;max-width:100%}
.wrap{width:min(var(--wrap),calc(100% - var(--g)*2));margin:0 auto}
.eyebrow,.section-no,.photo-mark,.product-top,.product-meta,.pill,.spec>span,figcaption,.consent{
  font-family:'Tektur',sans-serif;text-transform:uppercase;letter-spacing:.12em
}
.btn{
  min-height:50px;padding:0 22px;border:1px solid var(--blue);background:var(--blue);color:#081015;
  display:inline-flex;align-items:center;justify-content:center;gap:10px;font-family:'Tektur',sans-serif;
  font-size:10px;font-weight:500;letter-spacing:.1em;text-transform:uppercase;cursor:pointer;transition:.2s ease
}
.btn:hover{background:var(--blue2);border-color:var(--blue2)}
.btn-small{min-height:42px;padding-inline:16px}
.link{display:inline-flex;align-items:center;min-height:44px;font-family:'Tektur',sans-serif;font-size:9px;letter-spacing:.1em;text-transform:uppercase;border-bottom:1px solid rgba(255,255,255,.28)}
.section{padding:112px 0}
.section.light{background:var(--paper);color:var(--ink)}
.section.dark{background:var(--ink);color:var(--text)}
.section-head{display:grid;grid-template-columns:170px minmax(0,1.2fr) minmax(280px,.65fr);gap:34px;align-items:end;margin-bottom:52px}
.section-head.compact{display:block;margin:0}
.section-no{font-size:8px;color:#71818a;align-self:start;padding-top:9px}
.section-head h2{margin:0;font-family:'Oswald',sans-serif;font-size:clamp(48px,5.2vw,82px);font-weight:600;line-height:.92;letter-spacing:-.035em;text-transform:uppercase}
.section-head p{margin:0 0 4px;font-size:16px;line-height:1.55;color:#526069;max-width:560px}
.section-head.inverse p{color:#9aa6ad}
.section-head.inverse .section-no{color:#71818a}

/* Header */
.nxh{height:72px;background:rgba(8,13,16,.96);border-bottom:1px solid rgba(150,177,193,.18);color:var(--text);position:sticky;top:0;z-index:50;backdrop-filter:blur(14px)}
.nxh-in{height:100%;display:flex;align-items:center;gap:34px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand svg{width:36px;height:32px;stroke:var(--blue);stroke-width:4.5;stroke-linecap:round;stroke-linejoin:round}
.brand span{display:flex;flex-direction:column;gap:2px}
.brand b{font:600 20px/1 'Oswald',sans-serif;letter-spacing:.10em;color:#dce9f0}
.brand small{font:400 7px/1 'Tektur',sans-serif;letter-spacing:.34em;color:#71818a}
.nav{display:flex;align-items:center;gap:22px;margin-left:auto}
.nav a{font:500 8px/1 'Tektur',sans-serif;letter-spacing:.08em;text-transform:uppercase;color:#aeb8bd;white-space:nowrap}
.nav a:hover{color:#fff}
.head-actions{display:flex;align-items:center;gap:10px}
.phone{font-size:14px;color:#eaf0f2;white-space:nowrap}
.region{position:relative}
.region-btn{height:42px;padding:0 14px;border:1px solid #33434d;background:transparent;color:#c9d3d8;font:500 8px 'Tektur',sans-serif;text-transform:uppercase;letter-spacing:.08em;cursor:pointer}
.region-btn:after{content:'↓';margin-left:9px;color:var(--blue)}
.region-menu{position:absolute;right:0;top:48px;width:210px;max-height:340px;overflow:auto;background:#10181d;border:1px solid #33434d;padding:8px;z-index:60}
.region-menu a{display:block;padding:10px;color:#c6d0d5;font-size:13px}
.region-menu a:hover{background:#17242b;color:#fff}
.menu-btn{display:none;width:44px;height:44px;border:1px solid #33434d;background:transparent;position:relative}
.menu-btn:before,.menu-btn:after,.menu-btn i{content:'';position:absolute;left:11px;right:11px;height:1px;background:#dce4e8}
.menu-btn:before{top:14px}.menu-btn i{top:21px}.menu-btn:after{top:28px}
.drawer{position:fixed;inset:0;z-index:80;background:#0a0f12;color:#eef3f4;padding:20px;overflow:auto}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:22px;border-bottom:1px solid #26343d;font:500 10px 'Tektur',sans-serif;letter-spacing:.12em}
.drawer-top button{min-width:44px;min-height:44px;border:1px solid #32424b;background:none;color:#fff}
.drawer nav{display:flex;flex-direction:column}
.drawer nav a{font:600 clamp(34px,11vw,58px)/1 'Oswald',sans-serif;text-transform:uppercase;padding:18px 0;border-bottom:1px solid #26343d}
.drawer-phone{display:inline-block;margin-top:28px;font-size:24px;color:var(--blue2)}

/* Hero */
.hero{position:relative;min-height:760px;background:#0a0f12;color:var(--text);overflow:hidden}
.hero:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#080d10 0%,rgba(8,13,16,.97) 35%,rgba(8,13,16,.55) 57%,rgba(8,13,16,.12) 82%),linear-gradient(0deg,rgba(8,13,16,.62),transparent 40%);z-index:1;pointer-events:none}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media picture{display:block;width:100%;height:100%}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:center 52%;filter:saturate(.82) contrast(1.03)}
.photo-mark{position:absolute;right:28px;bottom:24px;background:rgba(8,13,16,.82);border-left:2px solid var(--blue);padding:10px 12px;color:#dbe5e9;z-index:2}
.photo-mark span{display:block;font-size:7px;color:var(--blue2)}
.photo-mark b{display:block;margin-top:4px;font-size:12px;font-weight:400}
.hero-in{position:relative;z-index:2;min-height:760px;display:flex;align-items:center}
.hero-copy{width:min(720px,58%);padding:54px 0 46px}
.eyebrow{font-size:8px;color:#82949e}
.hero h1{margin:25px 0 24px;font:600 clamp(58px,6vw,94px)/.9 'Oswald',sans-serif;letter-spacing:-.035em;text-transform:uppercase}
.hero h1 em{font-style:normal;color:var(--blue)}
.lead{max-width:650px;margin:0;color:#c6cfd3;font-size:19px;line-height:1.52}
.hero-price{display:flex;align-items:baseline;gap:10px;margin:28px 0 24px}
.hero-price span{font:500 9px 'Tektur',sans-serif;color:#7f919b;text-transform:uppercase;letter-spacing:.12em}
.hero-price b{font:600 42px/1 'Oswald',sans-serif;color:#fff}
.hero-price small{font-size:12px;color:#7f8c93}
.hero-actions{display:flex;align-items:center;gap:24px}
.hero-facts{margin-top:40px;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid rgba(255,255,255,.16);max-width:780px}
.hero-facts span{padding:17px 18px 0 0;font-size:11px;line-height:1.25;color:#8f9ba1;border-right:1px solid rgba(255,255,255,.11)}
.hero-facts span+span{padding-left:18px}
.hero-facts span:last-child{border-right:0}
.hero-facts b{display:block;margin-bottom:6px;font:500 18px/1 'Oswald',sans-serif;color:#e9eef0}

/* Catalog */
.catalog-tools{display:flex;justify-content:space-between;gap:20px;margin-bottom:24px}
.pills{display:flex;gap:8px;flex-wrap:wrap}
.pill{min-height:40px;padding:0 14px;border:1px solid #aeb9bf;background:transparent;color:#27333a;font-size:8px;cursor:pointer}
.pill.active{background:#111a1f;color:#fff;border-color:#111a1f}
.products{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--lineL);border-left:1px solid var(--lineL)}
.product{min-height:275px;padding:24px;border-right:1px solid var(--lineL);border-bottom:1px solid var(--lineL);display:flex;flex-direction:column;background:rgba(255,255,255,.16)}
.product-top{display:flex;justify-content:space-between;gap:12px;font-size:7px;color:#78878f}
.product-top b{color:#406b83;font-weight:500}
.product-size{font:600 52px/.95 'Oswald',sans-serif;letter-spacing:-.03em;margin:38px 0 8px}
.product-size small{font-size:18px;color:#75838b}
.product-meta{font-size:7px;color:#69777f;min-height:20px}
.product-price{font:600 25px/1 'Oswald',sans-serif;margin-top:auto;padding-top:25px}
.pick{margin-top:16px;min-height:42px;border:0;border-top:1px solid #aeb9bf;background:none;text-align:left;padding:12px 0 0;color:#1a252b;font:500 8px 'Tektur',sans-serif;text-transform:uppercase;letter-spacing:.1em;cursor:pointer}
.real-strip{margin-top:32px;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(260px,.55fr);gap:1px;background:#cad1d5}
.real-strip figure{margin:0;background:#fff}
.real-strip img{width:100%;height:420px;object-fit:cover}
.real-strip figcaption{padding:10px 14px;font-size:7px;color:#66757d;background:#fff}
.real-strip>p{margin:0;padding:34px;background:#e6eaec;font-size:15px;line-height:1.55;display:flex;flex-direction:column;justify-content:flex-end}
.real-strip>p span{font:500 8px 'Tektur',sans-serif;letter-spacing:.12em;color:#5c7482;margin-bottom:15px}

/* Calculator */
.calculator-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(340px,.58fr);gap:1px;background:#26343d;border:1px solid #26343d}
.calc-panel,.summary{background:#10181d}
.calc-panel{padding:30px 34px}
.step{padding:25px 0;border-top:1px solid #28363f}
.step:first-child{border-top:0;padding-top:0}
.step-head{display:flex;align-items:center;gap:14px;margin-bottom:15px}
.step-head span{font:500 8px 'Tektur',sans-serif;color:var(--blue);letter-spacing:.12em}
.step-head h3{margin:0;font:500 22px/1 'Oswald',sans-serif;text-transform:uppercase}
.options{display:flex;flex-wrap:wrap;gap:8px}
.option{min-width:100px;min-height:50px;padding:9px 12px;border:1px solid #34464f;background:#0c1317;color:#e5ebed;text-align:left;font:500 8px 'Tektur',sans-serif;text-transform:uppercase;letter-spacing:.06em;cursor:pointer}
.option small{display:block;margin-top:4px;color:#85939a;font:400 10px 'PT Sans',sans-serif;text-transform:none;letter-spacing:0}
.option.active{border-color:var(--blue);background:#193040;color:#fff}
.option.active small{color:#b9cbd4}
.option.disabled{opacity:.32;cursor:not-allowed}
.colors{display:flex;gap:9px;flex-wrap:wrap}
.color{width:104px;height:70px;border:1px solid #42515a;padding:8px;display:flex;flex-direction:column;justify-content:flex-end;align-items:flex-start;text-align:left;font:500 7px 'Tektur',sans-serif;text-transform:uppercase;letter-spacing:.06em;cursor:pointer}
.color small{font-size:9px;margin-top:4px}
.color.active{outline:2px solid var(--blue);outline-offset:2px}
.hint{display:none;margin-top:12px;border-left:2px solid var(--blue);padding:9px 12px;color:#b5c1c7;font-size:12px}
.summary{padding:32px;position:sticky;top:88px;align-self:start}
.summary h3{font:600 34px/1 'Oswald',sans-serif;text-transform:uppercase;margin:12px 0 20px}
.sumrow{display:flex;justify-content:space-between;gap:18px;padding:13px 0;border-top:1px solid #2a3941;font-size:13px;color:#98a5ab}
.sumrow b{text-align:right;color:#ecf0f2;font-weight:400}
.total{margin:28px 0 12px}
.total small{display:block;font:500 8px 'Tektur',sans-serif;letter-spacing:.12em;color:#7f8d94}
.total span{display:block;margin-top:8px;font:600 52px/.95 'Oswald',sans-serif}
.summary-note{font-size:12px;line-height:1.5;color:#8b989e;margin:0 0 18px}
.summary .btn{width:100%}

/* Construction */
.construction-grid{display:grid;grid-template-columns:minmax(0,1.32fr) minmax(360px,.68fr);gap:1px;background:#cbd2d6}
.frame-photo{margin:0;background:#dde2e4}
.frame-photo img{width:100%;height:630px;object-fit:cover;object-position:center}
.frame-photo figcaption{padding:11px 15px;background:#e9edee;color:#65737b;font-size:7px}
.construction-copy{background:#f7f8f7;display:flex;flex-direction:column}
.spec{padding:30px;border-bottom:1px solid #cbd2d6;flex:1;display:grid;grid-template-columns:120px minmax(0,1fr);gap:10px 20px;align-content:center}
.spec:last-child{border-bottom:0}
.spec>span{font-size:7px;color:#6b7d86}
.spec b{font:500 25px/1.05 'Oswald',sans-serif;text-transform:uppercase}
.spec p{grid-column:2;margin:0;font-size:13px;color:#617078}

/* Works */
.gallery{display:grid;grid-template-columns:1.25fr .75fr .75fr;grid-auto-rows:280px;gap:10px}
.gallery figure{margin:0;position:relative;overflow:hidden;background:#111a1f}
.gallery figure.wide{grid-row:span 2}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.gallery figure:hover img{transform:scale(1.015)}
.gallery figcaption{position:absolute;left:12px;bottom:12px;padding:8px 10px;background:rgba(8,13,16,.82);font-size:7px;color:#cdd6da}

/* Install */
.install-grid{display:grid;grid-template-columns:minmax(320px,.72fr) minmax(0,1.28fr);gap:50px;align-items:center}
.install-copy h2{margin:20px 0 18px;font:600 clamp(48px,5vw,76px)/.92 'Oswald',sans-serif;text-transform:uppercase;letter-spacing:-.03em}
.install-copy>p{margin:0;color:#9eabb1;font-size:16px;line-height:1.6}
.install-needs{margin-top:34px;border-top:1px solid #2b3941}
.install-needs span{display:flex;gap:18px;padding:13px 0;border-bottom:1px solid #2b3941;font-size:13px;color:#c4cdd1}
.install-needs b{font:500 8px 'Tektur',sans-serif;color:var(--blue)}
.video-wrap{margin:0;position:relative;background:#10181d;min-height:620px;display:grid;place-items:center;overflow:hidden}
.video-wrap video{width:100%;height:620px;object-fit:cover}
.video-wrap figcaption{position:absolute;right:12px;bottom:12px;background:rgba(8,13,16,.84);padding:8px 10px;font-size:7px;color:#cdd5d9}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:minmax(300px,.72fr) minmax(0,1.28fr);gap:70px}
.section-head.compact h2{margin:18px 0 18px;font-size:clamp(46px,4.5vw,70px)}
.section-head.compact p{max-width:380px}
.faq-list{border-top:1px solid #c5cdd1}
.faq-item{border-bottom:1px solid #c5cdd1}
.faq-q{width:100%;min-height:72px;padding:0;border:0;background:none;display:flex;align-items:center;justify-content:space-between;text-align:left;font-size:18px;cursor:pointer}
.faq-q b{font:400 20px/1 'Tektur',sans-serif;color:#668ba1}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a p{margin:0;padding:0 70px 22px 0;color:#617078;font-size:14px;line-height:1.55}

/* Contact */
.contacts-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(380px,.65fr);gap:80px;align-items:start}
.contact-copy h2{margin:20px 0 20px;font:600 clamp(54px,5.7vw,88px)/.9 'Oswald',sans-serif;text-transform:uppercase;letter-spacing:-.035em}
.contact-copy>p:not(.eyebrow){max-width:600px;color:#9aa7ad;font-size:17px;line-height:1.55}
.contact-phone{display:inline-block;margin-top:32px;font:500 30px/1 'Oswald',sans-serif;color:#dce6ea}
.form{border-top:1px solid #33434c;padding-top:22px}
.form label{display:block;margin-bottom:15px;font:500 8px 'Tektur',sans-serif;text-transform:uppercase;letter-spacing:.1em;color:#84939a}
.form input,.form textarea{display:block;width:100%;margin-top:7px;border:1px solid #34454e;background:#10181d;color:#eef3f4;padding:13px 14px;outline:none;border-radius:0}
.form input:focus,.form textarea:focus{border-color:var(--blue)}
.form textarea{height:86px;resize:none}
.form .btn{width:100%;margin-top:3px}
.consent{font-size:7px;color:#738188;line-height:1.5;text-transform:none;letter-spacing:.04em}
.consent a{text-decoration:underline}
.form-status{display:none;margin-top:12px;color:var(--blue2);font-size:13px}
.hp{position:absolute!important;left:-9999px!important;width:1px!important;height:1px!important}

/* Footer */
.footer{background:#080d10;color:#9aa6ab;border-top:1px solid #25333b;padding:34px 0 90px}
.footer-in{display:flex;align-items:center;gap:34px}
.foot-brand{margin-right:auto}
.footer p{margin:0;font-size:12px}
.footer>a{color:#dce5e9;font-size:14px}
.mobile-dock{display:none}

@media(max-width:1180px){
  :root{--g:28px}
  .nav{display:none}
  .menu-btn{display:block}
  .phone{display:none}
  .hero-copy{width:65%}
  .section-head{grid-template-columns:130px minmax(0,1.1fr) minmax(250px,.7fr)}
  .products{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:980px){
  .section{padding:88px 0}
  .section-head{grid-template-columns:1fr;gap:13px}
  .section-head p{max-width:650px}
  .products{grid-template-columns:repeat(2,1fr)}
  .calculator-grid{grid-template-columns:1fr}
  .summary{position:relative;top:auto}
  .construction-grid{grid-template-columns:1fr}
  .frame-photo img{height:520px}
  .construction-copy{display:grid;grid-template-columns:1fr 1fr}
  .spec{min-height:180px}
  .spec:nth-child(2){border-right:0}
  .gallery{grid-template-columns:1fr 1fr;grid-auto-rows:300px}
  .gallery figure.wide{grid-column:1/-1;grid-row:auto}
  .install-grid,.faq-grid,.contacts-grid{grid-template-columns:1fr;gap:42px}
  .video-wrap,.video-wrap video{height:620px}
}
@media(max-width:760px){
  :root{--g:20px}
  html{scroll-padding-top:72px}
  .nxh{height:64px}
  .nxh-in{gap:10px}
  .brand svg{width:31px;height:28px}
  .brand b{font-size:18px}.brand small{font-size:6px}
  .region-btn{height:40px;padding:0 10px;max-width:92px;overflow:hidden;text-overflow:ellipsis}
  .head-actions{margin-left:auto;gap:7px}
  .head-actions>.btn{display:none}
  .menu-btn{width:40px;height:40px}
  .hero{min-height:0}
  .hero:after{display:none}
  .hero-media{position:relative;height:53svh;min-height:370px}
  .hero-media:after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,#0a0f12 0%,rgba(10,15,18,.18) 44%,transparent 76%)}
  .hero-media img{object-position:center 48%}
  .photo-mark{right:20px;bottom:30px}
  .hero-in{min-height:0;background:#0a0f12}
  .hero-copy{width:100%;padding:8px 0 38px}
  .hero h1{font-size:clamp(48px,15vw,66px);margin:17px 0}
  .lead{font-size:16px}
  .hero-price{margin:22px 0 18px;display:grid;grid-template-columns:auto 1fr;gap:4px 8px}
  .hero-price b{font-size:38px}
  .hero-price small{grid-column:1/-1}
  .hero-actions{display:grid;gap:10px}
  .hero-actions .btn,.hero-actions .link{width:100%;justify-content:center}
  .hero-facts{grid-template-columns:1fr 1fr;margin-top:26px}
  .hero-facts span{min-height:74px;padding:14px 10px 10px 0;border-bottom:1px solid rgba(255,255,255,.1)}
  .hero-facts span+span{padding-left:12px}
  .hero-facts span:nth-child(2){border-right:0}.hero-facts span:nth-child(3),.hero-facts span:nth-child(4){border-bottom:0}
  .section{padding:68px 0}
  .section-head{margin-bottom:31px}
  .section-head h2{font-size:clamp(43px,13vw,58px)}
  .section-head p{font-size:14px}
  .catalog-tools{display:block}
  .catalog-tools>.pills+.pills{margin-top:9px}
  .pills{flex-wrap:nowrap;overflow:auto;padding-bottom:3px;scrollbar-width:none}
  .pills::-webkit-scrollbar{display:none}
  .pill{flex:0 0 auto;min-height:42px}
  .products{display:grid;grid-auto-flow:column;grid-auto-columns:min(82vw,320px);grid-template-columns:none;overflow-x:auto;scroll-snap-type:x mandatory;border-left:0;border-top:0;gap:10px;padding-bottom:8px;margin-right:calc(var(--g)*-1);padding-right:var(--g);scrollbar-width:none}
  .products::-webkit-scrollbar{display:none}
  .product{scroll-snap-align:start;border:1px solid var(--lineL);min-height:260px}
  .product-size{font-size:48px}
  .real-strip{grid-template-columns:1fr;margin-top:24px}
  .real-strip img{height:310px}
  .real-strip>p{padding:24px}
  .calc-panel{padding:24px 20px}
  .option{min-width:calc(50% - 4px);flex:1}
  .color{width:calc(33.333% - 6px);height:74px}
  .summary{padding:25px 20px}
  .total span{font-size:46px}
  .frame-photo img{height:430px}
  .construction-copy{grid-template-columns:1fr}
  .spec{min-height:auto;padding:24px 20px;grid-template-columns:88px minmax(0,1fr)}
  .spec:nth-child(2){border-right:0}
  .spec b{font-size:22px}
  .gallery{display:grid;grid-template-columns:1fr;grid-auto-rows:auto;gap:8px}
  .gallery figure,.gallery figure.wide{height:auto;aspect-ratio:4/3;grid-column:auto}
  .gallery figure:nth-child(4){aspect-ratio:3/4}
  .install-copy h2{font-size:50px}
  .video-wrap,.video-wrap video{height:auto;min-height:0;aspect-ratio:9/16}
  .faq-q{min-height:68px;font-size:17px}
  .contact-copy h2{font-size:53px}
  .contact-phone{font-size:26px}
  .footer{padding-bottom:108px}
  .footer-in{display:grid;gap:18px}
  .mobile-dock{position:fixed;z-index:45;left:0;right:0;bottom:0;height:66px;background:rgba(8,13,16,.97);border-top:1px solid #2c3a42;display:grid;grid-template-columns:.75fr 1.25fr;padding:8px max(12px,env(safe-area-inset-left));gap:8px}
  .mobile-dock>a:first-child{display:flex;align-items:center;justify-content:center;color:#dbe5e9;border:1px solid #34444d;font:500 8px 'Tektur',sans-serif;text-transform:uppercase;letter-spacing:.08em}
  .mobile-dock .btn{min-height:48px}
}
@media(max-width:390px){
  :root{--g:16px}
  .hero-media{height:48svh;min-height:340px}
  .hero h1{font-size:48px}
  .hero-facts b{font-size:17px}
  .products{grid-auto-columns:86vw}
  .frame-photo img{height:360px}
}
@media(max-width:330px){
  .region-btn{max-width:74px}
  .brand span{display:none}
  .hero h1{font-size:44px}
  .section-head h2{font-size:41px}
  .option{min-width:100%}
  .color{width:calc(50% - 5px)}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation:none!important;transition:none!important}
}

html.menu-lock{overflow:hidden!important;overscroll-behavior:none}
@media(max-width:1180px){
  #drawer{
    position:fixed!important;
    inset:0!important;
    width:100%!important;
    height:100svh!important;
    max-width:none!important;
    max-height:100svh!important;
    overflow-y:auto!important;
    overflow-x:hidden!important;
    overscroll-behavior:contain!important;
    contain:layout paint;
  }
}

/* QA hardening: exact 320 px + touch targets */
.install-grid>*,
.faq-grid>*,
.contacts-grid>*,
.construction-grid>*,
.calculator-grid>*{min-width:0}
@media(max-width:760px){
  .brand{min-height:40px}
  .form input{min-height:44px}
  .contact-phone{min-height:44px;display:inline-flex;align-items:center}
  .consent a{display:inline-block;padding:10px 0;margin:-10px 0}
  .footer-in>a{min-height:40px;display:flex;align-items:center}
}
@media(max-width:390px){
  .install-copy h2{font-size:44px}
}
@media(max-width:330px){
  .install-copy h2{font-size:41px}
}

a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--blue2);
  outline-offset:3px;
}
@media(max-width:760px){
  .brand{min-width:40px}
  .consent a{padding:15px 0;margin:-15px 0}
}

/* Preserve the real portrait installation video instead of cropping it into a fake wide scene. */
@media(min-width:981px){
  .video-wrap{
    min-height:680px;
    padding:34px;
    background:
      radial-gradient(circle at 50% 48%,rgba(110,168,207,.09),transparent 45%),
      #0d1418;
  }
  .video-wrap video{
    width:min(420px,100%);
    height:auto;
    max-height:680px;
    aspect-ratio:9/16;
    object-fit:cover;
    border:1px solid #34444d;
  }
}
@media(prefers-reduced-motion:reduce){
  .video-wrap video{display:none!important}
  .video-wrap{
    background:#0d1418 url('/assets/next-v4/assets/install/install-poster.webp') center/contain no-repeat!important;
  }
}

.knowledge{margin-top:28px;border-top:1px solid #c5cdd1}
.knowledge a{min-height:62px;border-bottom:1px solid #c5cdd1;display:grid;grid-template-columns:44px 1fr;gap:12px;align-items:center}
.knowledge span{font:500 7px 'Tektur',sans-serif;color:#668ba1;letter-spacing:.1em}
.knowledge b{font-weight:400;font-size:14px}
.knowledge a:hover b{text-decoration:underline}

@media(min-width:521px) and (max-width:760px){
  .mobile-dock{display:none}
  .head-actions>.btn{display:inline-flex}
  .footer{padding-bottom:44px}
}

/* Readability pass: customer-facing controls are never microcopy. */
.nav a{font-size:10px}
.region-btn{font-size:9.5px}
.link{font-size:10px}
.pill{font-size:9.5px}
.product-meta{font-size:10.5px;line-height:1.35;letter-spacing:.04em;text-transform:none}
.pick{font-size:10px}
.mobile-dock>a:first-child{font-size:10px}
.consent{font-size:9px}
@media(max-width:760px){
  .pill{font-size:9px}
  .product-meta{font-size:10px}
  .pick{font-size:10px}
}

.nav a{display:inline-flex;align-items:center;min-height:40px}
.form input,.form textarea{
  font:400 16px/1.35 'PT Sans',Arial,sans-serif;
}
@media(max-width:330px){
  .region-btn{max-width:100px}
}