:root{
 --red:#EE4424; --red-d:#d63414; --ink:#000; --ink2:#3d3d3d; --mute:#6b6b6b;
 --gray:#EEEEEE; --line:#e4e4e4; --white:#fff;
 --wrap:1170px; --pad:30px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:120px}
body{font-family:Montserrat,Arial,sans-serif;font-size:17px;line-height:1.55;color:var(--ink);background:#fff;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
button,input,select{font:inherit;color:inherit}
.wrap{width:100%;max-width:calc(var(--wrap) + var(--pad)*2);margin:0 auto;padding:0 var(--pad)}
.ic{width:24px;height:24px;flex:none;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:square;stroke-linejoin:miter}

/* тонка сітка з 4 колонок, як на tvoeokno.com.ua */
.gridlines{position:fixed;top:0;bottom:0;left:50%;width:min(var(--wrap),calc(100% - var(--pad)*2));transform:translateX(-50%);z-index:-1;pointer-events:none;
 background:repeating-linear-gradient(90deg,#ececec 0 1px,transparent 1px 25%);border-right:1px solid #ececec}

/* заголовки з червоною рискою зліва */
.bar{position:relative;padding-left:30px;font-weight:700;font-size:35px;line-height:1.23;letter-spacing:-.01em}
.bar::before{content:"";position:absolute;left:0;top:.12em;bottom:.12em;width:4px;background:var(--red)}
h3{font-size:19px;line-height:1.3;font-weight:700}
.lead{max-width:780px;margin:18px 0 40px;color:var(--ink2)}
.note{margin-top:14px;font-size:14px;color:var(--mute)}

/* кнопки: прямі кути, суцільна заливка */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:14px 28px;background:var(--red);color:#fff;font-weight:700;font-size:17px;text-decoration:none;border:2px solid var(--red);border-radius:0;cursor:pointer;transition:background .2s,border-color .2s}
.btn:hover{background:var(--red-d);border-color:var(--red-d)}
.btn--ghost{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn--line{background:#fff;color:var(--ink);border-color:var(--ink)}
.btn--line:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn--wide{width:100%}
.sq{display:none;align-items:center;justify-content:center;width:46px;height:46px;border:1px solid var(--line);background:#fff;cursor:pointer}

/* шапка */
.hdr{position:sticky;top:0;z-index:50;background:#fff}
.hdr__main{display:flex;align-items:center;gap:28px;min-height:84px}
.logo img{width:190px;height:auto}
.hdr__addr{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink2);margin-left:auto}
.hdr__addr .ic{width:20px;height:20px;color:var(--red)}
.hdr__tel a{display:flex;align-items:center;gap:8px;font-weight:700;font-size:19px;text-decoration:none;white-space:nowrap}
.hdr__tel .ic{width:22px;height:22px}
.hdr__tel small{display:block;padding-left:30px;font-size:11px;color:var(--mute);white-space:nowrap}
.hdr__partner{border:1px solid var(--line);padding:9px 12px;box-sizing:content-box;width:120px}
.hdr__btn{min-height:46px;padding:10px 20px;font-size:15px}
.nav{background:#000}
.nav__in{display:flex;justify-content:space-between;gap:10px}
.nav a{display:block;padding:14px 0;color:#fff;font-size:15px;font-weight:600;text-decoration:none;white-space:nowrap}
.nav a:hover{color:var(--red)}

/* перший екран */
.hero{position:relative;margin:0 var(--pad);min-height:560px;display:flex;align-items:center;color:#fff;background:#1e1e1e;overflow:hidden}
.hero picture,.hero__img{position:absolute;inset:0;width:100%;height:100%}
.hero__img{object-fit:cover;object-position:70% 50%}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.82) 0%,rgba(0,0,0,.6) 42%,rgba(0,0,0,.05) 75%)}
.hero__in{position:relative;z-index:2;padding-top:40px;padding-bottom:56px}
.crumbs{font-size:13px;font-weight:600;margin-bottom:46px}
.crumbs a{text-decoration:none}
.hero h1{font-size:52px;line-height:1.15;max-width:700px}
.hero__sub{max-width:600px;margin:20px 0 34px 30px;font-size:18px;line-height:1.5;color:rgba(255,255,255,.92)}
.hero__row{display:flex;flex-wrap:wrap;align-items:stretch;gap:24px;margin-left:30px}
.price-frame{display:flex;flex-direction:column;justify-content:center;padding:14px 34px;border:1px solid rgba(255,255,255,.4);background:rgba(0,0,0,.25)}
.price-frame span{font-size:13px;font-weight:500;color:rgba(255,255,255,.8)}
.price-frame b{font-size:34px;line-height:1.15;font-weight:700}
.hero__acts{display:flex;flex-direction:column;gap:12px;justify-content:center}

/* факти під першим екраном */
.facts{display:grid;grid-template-columns:repeat(4,1fr);padding-top:0;padding-bottom:0}
.fact{display:grid;grid-template-columns:auto 1fr;column-gap:12px;padding:30px 22px 34px;align-content:start}
.fact .ic{grid-row:span 2;color:var(--red);width:28px;height:28px;margin-top:2px}
.fact b{font-size:19px;line-height:1.25}
.fact span{font-size:14px;color:var(--mute);line-height:1.4;margin-top:4px}

/* типи монтажу */
.typy{background:var(--gray);padding:96px 0}
.tt{background:#fff;border:1px solid #d9d9d9}
.tt__row{display:grid;grid-template-columns:1.25fr 2.6fr 1fr 1fr;align-items:center;border-top:1px solid var(--line)}
.tt__row>span{padding:20px 22px;font-size:15px;line-height:1.45}
.tt__head{border-top:0;background:#000;color:#fff}
.tt__head>span{padding:13px 22px;font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.tt__row--hit{box-shadow:inset 4px 0 0 var(--red)}
.tt__name b{display:block;font-size:17px}
.tag{display:inline-block;margin-top:6px;padding:3px 9px;background:var(--red);color:#fff;font-style:normal;font-size:12px;font-weight:600}
.tt__price{font-weight:700;font-size:20px !important;color:var(--red);white-space:nowrap}
.tt__price--ask{font-size:15px !important;color:var(--ink2);font-weight:600}
.typy__grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-top:50px}
.incl{background:#fff;padding:36px 34px;border:1px solid #d9d9d9}
.incl h3{margin-bottom:20px}
.ilist{list-style:none;display:grid;gap:16px}
.ilist li{display:flex;gap:14px;align-items:flex-start;font-size:15.5px;line-height:1.5}
.ilist .ic{color:var(--red);margin-top:1px}
.incl__opt{margin-top:24px;padding-top:18px;border-top:1px solid var(--line);font-size:15px}
.calc{background:#fff;padding:36px 34px;border:1px solid #000}
.calc h3{margin-bottom:22px}
.calc__f{display:grid;grid-template-columns:1fr 1fr .7fr;gap:14px}
.calc label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600;color:var(--ink2)}
.calc input[type=number],.form input,.form select{width:100%;height:50px;padding:0 14px;border:1px solid #c9c9c9;border-radius:0;background:#fff;font-size:17px;font-weight:500;color:var(--ink)}
.calc input:focus,.form input:focus,.form select:focus{outline:2px solid var(--red);outline-offset:-1px;border-color:var(--red)}
.calc__chk{flex-direction:row !important;align-items:flex-start;gap:10px !important;margin-top:16px;font-weight:500 !important;font-size:14px !important;cursor:pointer}
.calc__chk input{width:18px;height:18px;margin-top:2px;accent-color:var(--red)}
.calc__res{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin:22px 0 6px;padding:16px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.calc__res span{font-size:15px;color:var(--mute)}
.calc__res b{font-size:32px;line-height:1;color:var(--red)}
.calc__note{font-size:13px;color:var(--mute);margin-bottom:20px}

/* 8 помилок */
.pom{padding:100px 0 90px}
.pom__grid{display:grid;grid-template-columns:5fr 7fr;gap:50px;align-items:start}
.pom__pics{position:sticky;top:150px;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.pp{overflow:hidden;background:#ddd}
.pp img{width:100%;height:100%;object-fit:cover}
.pp--tall{grid-column:span 2;aspect-ratio:4/3.6}
.pp:not(.pp--tall){aspect-ratio:1}
.pom__list{list-style:none;counter-reset:p}
.pom__list li{display:grid;grid-template-columns:44px 1fr;gap:18px;padding:22px 0;border-top:1px solid var(--line);counter-increment:p}
.pom__list li:last-child{border-bottom:1px solid var(--line)}
.pom__list .ic{width:44px;height:44px;padding:9px;border:1px solid var(--red);color:var(--red)}
.pom__list h3{font-size:17.5px;margin-bottom:4px}
.pom__list h3::before{content:"№" counter(p) " ";color:var(--red)}
.pom__list p{font-size:15.5px;color:var(--ink2)}
.strip{display:flex;align-items:center;gap:24px;margin-top:50px;padding:24px 30px;background:#000;color:#fff}
.strip p{flex:1;font-size:16px}
.strip__tel{font-weight:700;font-size:19px;text-decoration:none;white-space:nowrap}

/* відео */
.vid{padding:20px 0 90px}
.vid__box{display:grid;grid-template-columns:5fr 7fr;background:var(--gray);align-items:stretch}
.vid__txt{padding:60px 40px 60px 20px;align-self:center}
.vid__txt p{margin:18px 0 0 30px;color:var(--ink2)}
.vid__media{position:relative;min-height:380px;background:#222}
.vid__media img,.vid__media iframe{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border:0}
.vid__media::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,var(--gray) 0,rgba(238,238,238,0) 22%);pointer-events:none}
.vid__media.on::before{display:none}
.play{position:absolute;z-index:2;left:30%;top:50%;transform:translate(-50%,-50%);width:76px;height:76px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.9);border:2px solid var(--red);color:var(--red);cursor:pointer;outline:1px solid var(--red);outline-offset:8px;transition:background .2s,color .2s}
.play:hover{background:var(--red);color:#fff}
.play .ic{width:30px;height:30px;fill:currentColor;stroke:none}

/* євромонтаж */
.evro{position:relative;padding:90px 0;overflow:hidden}
.vword{position:absolute;right:-10px;top:60px;font-size:110px;font-weight:700;line-height:1;color:transparent;-webkit-text-stroke:1px #e8e8e8;writing-mode:vertical-rl;pointer-events:none;user-select:none}
.evro__grid{display:grid;grid-template-columns:7fr 5fr;gap:60px;margin-top:40px;align-items:start}
.evro__txt>p{margin-bottom:18px;color:var(--ink2)}
.evro__vs{display:grid;grid-template-columns:220px 1fr;gap:24px;align-items:center;margin-top:30px;padding:20px;border:1px solid var(--line);background:#fff}
.evro__vs img{aspect-ratio:4/3;object-fit:cover}
.evro__vs h3{margin-bottom:8px;font-size:17px}
.evro__vs p{font-size:15px;color:var(--ink2)}
.seam{background:#fff;border:1px solid var(--line);padding:26px}
.seam svg{width:100%;height:auto}
.s-wall{fill:#e9e6e1}.s-line{stroke:#bbb;stroke-width:1}
.s-frame{fill:#fff;stroke:#000;stroke-width:2}.s-glass{fill:#dce8ee;stroke:#000;stroke-width:1}
.s-foam{fill:#f3d46b}.s-tape-out{fill:var(--red)}.s-tape-in{fill:#000}
.s-lead{stroke:#000;stroke-width:1;fill:none}
.s-t{font:500 15px Montserrat,Arial,sans-serif;fill:#777}
.legend{list-style:none;display:grid;gap:9px;margin-top:18px;font-size:14.5px;line-height:1.4}
.legend li{display:flex;gap:10px;align-items:flex-start}
.legend i{flex:none;width:16px;height:16px;margin-top:2px}
.lg-out{background:var(--red)}.lg-foam{background:#f3d46b}.lg-in{background:#000}.lg-frame{background:#fff;border:2px solid #000}

/* гарантія */
.gar{padding:90px 0;background:#fff}
.gar__grid{display:grid;grid-template-columns:7fr 5fr;gap:60px;align-items:start}
.bars{display:grid;gap:14px}
.bars__scale{display:grid;grid-template-columns:repeat(5,1fr);margin:0 106px 0 38%;font-size:12px;color:var(--mute);border-bottom:1px solid var(--line);padding-bottom:6px}
.bars__scale span{text-align:right}
.b{display:grid;grid-template-columns:38% 1fr 106px;align-items:center;gap:0;min-height:48px}
.b::after{content:"";grid-row:1;grid-column:2;height:28px;background:#f2f2f2}
.b__l{font-size:15px;line-height:1.35;padding-right:18px}
.b i{display:block;height:28px;width:calc(var(--y) * 20%);background:var(--red)}
.b--g i{background:#000}
.b b{padding-left:14px;font-size:15px;white-space:nowrap}
.b i{grid-row:1;grid-column:2;position:relative;z-index:1}
.b b{grid-row:1;grid-column:3}
.b__l{grid-row:1;grid-column:1}
.gar__side img{aspect-ratio:16/10;object-fit:cover;margin-bottom:26px}
.ilist--sm li{font-size:15px}

/* відгуки */
.rev{background:var(--gray);padding:90px 0}
.rev__head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:40px}
.more{font-weight:600;font-size:15px;color:var(--red);text-decoration:none;border-bottom:1px solid currentColor;white-space:nowrap}
.rev__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.q{background:#fff;padding:30px 28px;display:flex;flex-direction:column}
.q__i{width:30px;height:22px;fill:var(--red);margin-bottom:16px}
.q p{font-size:15.5px;line-height:1.55;flex:1}
.q cite{margin-top:18px;font-style:normal;font-weight:700;font-size:15px}
.q--img{padding:0;overflow:hidden}
.q--img img{width:100%;height:100%;object-fit:cover}

/* фінальний заклик */
.cta{position:relative;margin:0 var(--pad);padding:90px 0;color:#fff;background:#111 url(img/cta.webp) center/cover no-repeat}
.cta::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.94) 0,rgba(0,0,0,.85) 50%,rgba(0,0,0,.55) 100%)}
.cta__in{position:relative;display:grid;grid-template-columns:6fr 5fr;gap:60px;align-items:center}
.cta__txt>p{margin:20px 0 30px 30px;font-size:18px;color:rgba(255,255,255,.88);max-width:520px}
.cta__q{margin:0 0 30px 30px;padding-left:18px;border-left:2px solid var(--red);max-width:520px}
.cta__q p{font-size:15.5px;font-style:italic;color:rgba(255,255,255,.9)}
.cta__q cite{display:block;margin-top:8px;font-style:normal;font-size:13px;color:rgba(255,255,255,.6)}
.gar__btn{margin-top:26px}
@media (max-width:767px){.gar__btn{width:100%}}
.cta__pic{margin-left:30px;max-width:460px;border:1px solid rgba(255,255,255,.25)}
.cta__pic img{aspect-ratio:4/3;object-fit:cover}
.form{position:relative;background:#fff;color:var(--ink);padding:36px 34px;display:grid;gap:14px}
.form h3{font-size:22px;margin-bottom:4px}
.form label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600;color:var(--ink2)}
.form__alt{font-size:14px;color:var(--mute)}
.form__alt a{color:var(--ink);font-weight:600}
.form__done{position:absolute;inset:0;background:#fff;padding:36px 34px;display:flex;flex-direction:column;justify-content:center;gap:16px}
.form__done[hidden]{display:none}
.form__done>.ic{width:44px;height:44px;padding:9px;border:1px solid var(--red);color:var(--red)}
.form__done p{font-size:17px}
.form__done a{color:var(--red)}
.form__msg{display:flex;gap:10px;flex-wrap:wrap}
.form__msg .btn{flex:1;min-width:130px}
.form__h{font-size:14px !important;color:var(--mute)}

/* підвал */
.ftr{background:var(--gray);margin:0 var(--pad);padding:60px 0 30px}
.ftr__grid{display:grid;grid-template-columns:1.1fr 1fr 1.2fr 1.3fr;gap:40px}
.ftr h4{font-size:15px;margin-bottom:14px}
.ftr a,.ftr p{display:block;font-size:15px;line-height:1.7;text-decoration:none;color:var(--ink2)}
.ftr a:hover{color:var(--red)}
.ftr__brand img{width:190px;margin-bottom:20px}
.soc{display:flex;gap:10px}
.soc a{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:#000;color:#fff}
.soc a:hover{background:var(--red);color:#fff}
.soc .ic{width:20px;height:20px}
.ftr__copy{margin-top:40px;padding-top:22px;border-top:1px solid #dcdcdc;display:flex;justify-content:space-between;gap:30px}
.ftr__copy p{font-size:13px;color:var(--mute);line-height:1.6}
.made{white-space:nowrap}
.made a{display:inline;font-size:13px;color:var(--ink2);text-decoration:underline}

/* липкий стек справа, як у них */
.stack{position:fixed;right:18px;bottom:18px;z-index:60;display:flex;flex-direction:column;gap:6px}
.stack a{width:50px;height:50px;display:flex;align-items:center;justify-content:center;background:#000;color:#fff}
.stack a:hover{background:var(--red)}

@media (max-width:1180px){
 .hdr__addr{display:none}
 .hdr__main{gap:20px}
 .hdr__tel{margin-left:auto}
 .nav__in{overflow-x:auto;gap:28px;justify-content:flex-start;scrollbar-width:none}
}
@media (max-width:980px){
 :root{--pad:20px}
 .bar{font-size:29px;padding-left:22px}
 .hdr__partner{display:none}
 .hero h1{font-size:40px}
 .facts{grid-template-columns:repeat(2,1fr)}
 .tt__row{grid-template-columns:1fr 1.8fr 1fr 1fr}
 .typy__grid,.pom__grid,.evro__grid,.gar__grid,.cta__in{grid-template-columns:1fr}
 .pom__pics{position:static}
 .vid__box{grid-template-columns:1fr}
 .vid__media{min-height:0;aspect-ratio:16/9;order:-1}
 .vid__media::before{display:none}
 .vid__txt{padding:30px 24px 36px 4px}
 .rev__grid{grid-template-columns:1fr 1fr}
 .ftr__grid{grid-template-columns:1fr 1fr}
 .gridlines{display:none}
}
@media (max-width:767px){
 html{scroll-padding-top:80px}
 body{font-size:16px}
 .hdr{border-bottom:1px solid var(--line)}
 .hdr__main{min-height:68px;gap:8px}
 .logo img{width:150px}
 .hdr__tel,.hdr__btn{display:none}
 .sq{display:flex}
 .hdr__main .sq:not(.hdr__burger){margin-left:auto}
 .nav{display:none}
 .nav.open{display:block;position:absolute;left:0;right:0;top:100%}
 .nav.open .nav__in{flex-direction:column;gap:0;padding-top:6px;padding-bottom:10px}
 .nav.open a{padding:12px 0;border-bottom:1px solid #222}
 .hero{margin:0;min-height:0;align-items:flex-end}
 .hero__img{object-position:50% 30%}
 .hero::after{background:linear-gradient(180deg,rgba(0,0,0,.25) 0%,rgba(0,0,0,.55) 35%,rgba(0,0,0,.9) 70%)}
 .hero__in{padding-top:120px;padding-bottom:34px}
 .crumbs{margin-bottom:18px;font-size:12px}
 .hero h1{font-size:31px}
 .hero__sub{margin:14px 0 22px 22px;font-size:15.5px}
 .hero__row{margin-left:0;flex-direction:column;gap:14px}
 .price-frame{padding:12px 22px}
 .price-frame b{font-size:28px}
 .hero__acts .btn{width:100%}
 .facts{padding:6px 20px}
 .fact{padding:18px 6px;grid-template-columns:auto 1fr}
 .fact b{font-size:16px}
 .fact span{font-size:13px}
 .fact .ic{width:24px;height:24px}
 .typy,.pom,.evro,.gar,.rev{padding:60px 0}
 .lead{margin:14px 0 28px}
 .tt{border:0;background:transparent;display:grid;gap:12px}
 .tt__head{display:none}
 .tt__row{grid-template-columns:1fr auto;background:#fff;border:1px solid #d9d9d9;padding:6px 0}
 .tt__row>span{padding:8px 18px}
 .tt__name{grid-column:1/-1;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
 .tt__name b{display:inline}
 .tag{margin-top:0}
 .tt__row>span[data-l="Шов"]{grid-column:1/-1;font-size:14.5px;color:var(--ink2)}
 .tt__row>span[data-l="Гарантія"]::before{content:"Гарантія: ";color:var(--mute)}
 .tt__price{text-align:right}
 .incl,.calc{padding:26px 20px}
 .calc__f{grid-template-columns:1fr 1fr}
 .calc__f label:last-child{grid-column:1/-1}
 .calc__res b{font-size:28px}
 .pom__pics{display:flex;overflow-x:auto;gap:8px;margin:0 -20px;padding:0 20px;scroll-snap-type:x mandatory;scrollbar-width:none}
 .pp,.pp--tall,.pp:not(.pp--tall){flex:0 0 62%;aspect-ratio:4/3;scroll-snap-align:start}
 .pom__list li{grid-template-columns:38px 1fr;gap:14px;padding:18px 0}
 .pom__list .ic{width:38px;height:38px;padding:7px}
 .pom__list h3{font-size:16px}
 .pom__list p{font-size:14.5px}
 .strip{flex-direction:column;align-items:stretch;gap:14px;padding:22px 20px;text-align:center}
 .strip .btn{width:100%}
 .vid{padding:0 0 60px}
 .vid__txt p{margin-left:22px}
 .vword{display:none}
 .evro__vs{grid-template-columns:1fr;padding:0;border:0}
 .seam{padding:16px}
 .bars__scale{margin:0 92px 0 0}
 .b{grid-template-columns:1fr 92px;row-gap:6px}
 .b__l{grid-column:1/-1;grid-row:1;padding:0;font-size:14px}
 .b i,.b::after{grid-column:1;grid-row:2}
 .b b{grid-column:2;grid-row:2;font-size:14px}
 .rev__head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:26px}
 .rev__grid{grid-template-columns:1fr}
 .q--img{aspect-ratio:4/3}
 .cta{margin:0;padding:60px 0}
 .cta__in{gap:30px}
 .cta__txt>p{margin:16px 0 22px 22px;font-size:16px}
 .cta__q{margin:0 0 0 22px}
 .cta__pic{display:none}
 .form{padding:26px 20px}
 .ftr{margin:0;padding:44px 0 90px}
 .ftr__grid{grid-template-columns:1fr;gap:28px}
 .ftr__copy{flex-direction:column;gap:10px}
 .stack{right:10px;bottom:10px;gap:4px;opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s}
 .stack.show{opacity:1;visibility:visible}
 .stack a{width:44px;height:44px}
}
@media (prefers-reduced-motion:reduce){
 html{scroll-behavior:auto}
 *{transition:none !important;animation:none !important}
}