@font-face{font-family:Golos;src:url('assets/golos-400.ttf');font-weight:400;font-display:swap}@font-face{font-family:Golos;src:url('assets/golos-500.ttf');font-weight:500;font-display:swap}@font-face{font-family:Golos;src:url('assets/golos-600.ttf');font-weight:600;font-display:swap}
:root{--paper:#faf9f6;--ink:#242a30;--steel:#344f62;--muted:#687078;--line:#dce2e3;--coral:#ed7254}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 Golos,Arial,sans-serif}a{color:inherit}button,input{font:inherit}button{cursor:pointer}img{display:block;max-width:100%}button,a,input,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #728e9f;outline-offset:5px}h1,h2,h3,p,figure{margin:0}h1,h2,h3{font-weight:500}h2{font-size:clamp(29px,3.1vw,44px);line-height:1.2;letter-spacing:-1.1px;margin-bottom:24px}h3{font-size:21px;line-height:1.35;margin-bottom:12px}p+p{margin-top:16px}.wrap{width:min(1320px,90%);margin:auto}.section{padding:48px 0}.eyebrow{display:block;font-size:13px;line-height:1.5;color:var(--muted);margin-bottom:18px}.muted{color:var(--muted)}.small{font-size:13px}.preview-notice{text-align:center;font-size:11px;letter-spacing:.2px;background:#e8eef1;padding:5px 16px;color:var(--steel)}.header{height:86px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{width:260px;height:55px;overflow:hidden;flex-shrink:0}.brand img{width:288px;max-width:none;height:auto;transform:translate(-18px,-21px)}.header nav{display:flex;gap:28px;font-size:14px}.header a{text-decoration:none}.header-phone{font-size:15px;font-weight:500;white-space:nowrap}.hero{background:#edf1f0;position:relative;padding:35px 0 58px}.hero:after{content:'';position:absolute;bottom:-1px;left:0;right:0;height:22px;background:var(--paper);clip-path:polygon(0 65%,15% 38%,35% 58%,55% 22%,80% 49%,100% 30%,100% 100%,0 100%)}.hero-layout{display:grid;grid-template-columns:.95fr 1.05fr;align-items:center;gap:54px}.hero-copy{padding:16px 0}.hero h1{font-size:clamp(42px,4.5vw,65px);line-height:1.05;letter-spacing:-2px;margin-bottom:25px}.hero-intro{font-size:20px;line-height:1.5}.region{font-size:14px;color:var(--muted);margin-top:12px}.tags{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:22px 0 28px}.tags li{font-size:12px;background:#faf9f6c9;border:1px solid #d3dde0;padding:8px 11px;border-radius:7px;color:var(--steel)}.hero-photo{position:relative;border-radius:22px;overflow:hidden;background:#dce4e6}.hero-photo img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover}.hero-photo figcaption{padding:13px 18px;background:#f4f5f1;font-size:11px;color:var(--muted)}.actions{display:flex;flex-wrap:wrap;gap:10px}.button{display:inline-flex;align-items:center;justify-content:center;gap:22px;text-decoration:none;padding:15px 22px;min-height:52px;border:1px solid #c4d1d8;border-radius:9px;background:white;color:var(--steel);font-size:15px;font-weight:500;transition:background .2s}.primary{background:var(--coral);border-color:var(--coral);color:white}.primary:hover{background:#dc6144}.pale{background:#e5edf2;color:#243e50;border-color:#c1d0d9}.full{width:100%;margin-top:20px}.trust{display:grid;grid-template-columns:repeat(3,1fr);border-bottom:1px solid var(--line);padding:28px 0;gap:24px}.trust span{font-size:12px;color:var(--muted)}.trust strong{display:block;color:var(--steel);font-size:21px;font-weight:500;margin-bottom:3px}.estimate-panel{display:grid;grid-template-columns:1fr 1fr;gap:60px;padding:40px;background:#edf2f3;border:1px solid var(--line);border-radius:22px}.estimate-panel p{max-width:470px}.estimate-panel form{background:var(--paper);padding:26px;border-radius:14px}.fields{display:grid;grid-template-columns:1fr 1fr;gap:14px}label{display:block;font-size:12px;color:#46555f}input{width:100%;min-width:0;border:1px solid #cad6dc;border-radius:8px;background:white;color:var(--ink);height:50px;padding:12px;margin-top:7px;font-size:14px}fieldset{padding:0;border:0;margin:0 0 18px;min-width:0}legend{font-size:14px;margin-bottom:12px}.form-note{font-size:11px;line-height:1.6;color:var(--muted);margin-top:12px}#form-status{font-size:13px;padding:12px;background:#e5edf2;border-radius:8px;margin-top:12px}.section-top{display:flex;justify-content:space-between;gap:30px;align-items:center}.section-top p{font-size:14px;color:var(--muted);padding-bottom:20px}.works-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.work{padding:0;text-align:left;overflow:hidden;border:1px solid var(--line);border-radius:15px;background:#f0efeb;color:var(--ink)}.work img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover}.work span{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;font-size:16px}.work i{font-style:normal;color:var(--steel)}.works-grid+.small{margin-top:14px}.opening-panel{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:center;background:#f0efeb;border-radius:22px;padding:40px}.opening-panel p{font-size:16px}.opening-figure{background:#faf9f6;border-radius:16px;overflow:hidden}.opening-figure svg{display:block;width:100%;height:auto}.opening-figure figcaption{font-size:11px;color:var(--muted);padding:0 18px 18px;text-align:center}.segmented{display:inline-flex;background:#faf9f6;border:1px solid #c7d4da;border-radius:10px;padding:4px;gap:4px;margin-top:24px}.segmented button{border:0;border-radius:7px;background:transparent;padding:10px 20px;color:var(--steel);font-size:14px}.segmented .selected{background:var(--steel);color:white}.pane{transition:transform .65s ease}.is-open .pane-1{transform:translateX(336px)}.is-open .pane-2{transform:translateX(224px)}.is-open .pane-3{transform:translateX(112px)}.system-intro{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.system-intro>p{max-width:510px;color:var(--muted)}.details-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:8px}.details-grid article{padding:25px;border:1px solid var(--line);border-radius:16px;background:#fff}.detail-num{display:block;font-size:11px;color:#728e9f;margin-bottom:30px}.details-grid p{font-size:14px;color:var(--muted)}.use-panel{background:var(--steel);color:white;padding:42px;border-radius:22px}.use-panel .eyebrow{color:#c1d3df}.use-columns{display:grid;grid-template-columns:1fr 1fr;gap:60px;margin-top:30px}.use-columns p{color:#d9e3e8;font-size:15px}.use-columns h3{font-size:18px}.steps{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:28px;padding:0;margin:35px 0 0}.steps li{border-top:1px solid #c3d0d7;padding-top:18px}.steps li>span{display:block;font-size:35px;letter-spacing:-1px;color:#8aa0ad;margin-bottom:20px}.steps h3{font-size:18px}.steps p{font-size:14px;color:var(--muted)}.faq-layout{display:grid;grid-template-columns:.65fr 1.35fr;gap:70px}.faq-list{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line);padding:20px 0}summary{cursor:pointer;list-style:none;font-size:17px;padding-right:35px;position:relative}summary::-webkit-details-marker{display:none}summary:after{content:'+';position:absolute;right:5px;top:-4px;font-size:25px;font-weight:400;color:#728e9f}details[open] summary:after{content:'−'}details p{margin-top:16px;font-size:14px;color:var(--muted);max-width:640px}details a{font-size:14px;display:inline-block;margin-top:14px}.final-cta{display:flex;align-items:center;justify-content:space-between;gap:40px;padding:38px;background:#edf2f3;border:1px solid var(--line);border-left:3px solid #728e9f;border-radius:16px}.final-cta h2{font-size:32px}.final-cta p{font-size:14px;color:var(--muted)}.final-cta .button{flex-shrink:0;background:var(--steel);border-color:var(--steel)}.footer{margin-top:35px;background:#edf0ef;padding:42px 0 120px;color:var(--steel)}.footer-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:40px;font-size:13px}.footer strong{font-size:23px;font-weight:500}.footer p{margin-top:12px;color:var(--muted)}.footer-grid>div>a{display:block;margin-bottom:12px;text-decoration:none}.footer-social{display:flex;gap:14px;flex-wrap:wrap}.legal{font-size:11px}.sticky-actions{position:fixed;z-index:5;bottom:18px;left:50%;transform:translateX(-50%);display:flex;gap:9px;padding:9px;border:1px solid #a8bbc7;border-radius:12px;background:#fffffff2;box-shadow:0 6px 30px #172e472b;backdrop-filter:blur(10px)}.sticky-actions a,.sticky-actions button{display:inline-flex;justify-content:center;align-items:center;min-height:47px;padding:12px 24px;border:1px solid var(--steel);border-radius:8px;background:var(--steel);color:white;text-decoration:none;font-size:14px;font-weight:500;white-space:nowrap}.sticky-actions .primary{background:var(--coral);border-color:var(--coral)}.sticky-actions .pale{background:#e5edf2;border-color:#c1d0d9;color:#243e50}dialog{border:1px solid var(--line);border-radius:16px;background:var(--paper);color:var(--ink);padding:35px;width:min(480px,calc(100% - 24px));max-height:calc(100dvh - 120px)}dialog::backdrop{background:#17232dc9}.close{position:absolute;right:9px;top:8px;border:0;border-radius:50%;background:#faf9f6;color:var(--ink);width:38px;height:38px;font-size:28px;z-index:1}.messenger-links{display:grid;gap:12px}.photo-dialog{width:min(1100px,calc(100% - 24px));padding:12px}.photo-dialog img{width:100%;height:auto;max-height:calc(100dvh - 190px);object-fit:contain}.photo-dialog p{font-size:13px;margin:12px 5px 0}
@media(max-width:1000px){.header nav{gap:15px}.header-phone{display:none}.hero-layout{gap:30px}.hero h1{font-size:46px}.estimate-panel,.opening-panel{gap:28px;padding:30px}.details-grid{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:repeat(2,1fr)}.faq-layout{gap:35px}.footer-grid{grid-template-columns:1fr 1fr}.legal{grid-column:1/-1}}
@media(max-width:700px){.wrap{width:calc(100% - 40px)}.preview-notice{font-size:10px}.header{height:66px}.brand{width:211px;height:46px}.brand img{width:235px;transform:translate(-15px,-16px)}.header nav{display:none}.hero{padding:16px 0 32px}.hero-layout{grid-template-columns:1fr;gap:24px}.hero-copy{padding:4px 0}.hero h1{font-size:43px;letter-spacing:-1.5px;line-height:1.07;margin-bottom:20px}.hero .eyebrow{margin-bottom:15px}.hero-intro{font-size:17px}.region{font-size:12px}.tags{gap:7px;margin:18px 0 23px}.tags li{font-size:11px;padding:7px 9px}.button{min-height:48px;font-size:14px;padding:13px 17px;gap:15px}.hero-photo{border-radius:14px}.hero-photo img{height:auto;aspect-ratio:auto;object-fit:contain}.hero-photo figcaption{font-size:10px;padding:11px 13px}.trust{grid-template-columns:1fr 1fr;gap:20px;padding:24px 0}.trust span:last-child{grid-column:1/-1}.trust strong{font-size:18px}.section{padding:30px 0}h2{font-size:29px;letter-spacing:-.6px;margin-bottom:20px}.estimate-panel,.opening-panel{grid-template-columns:1fr;gap:24px;padding:24px 20px;border-radius:16px}.estimate-panel p{font-size:14px}.estimate-panel .small{font-size:12px}.estimate-panel form{padding:18px 14px}.fields{gap:10px}input{font-size:16px;padding:10px 8px}.estimate-panel form>.fields{grid-template-columns:1fr;gap:14px}.section-top{display:block}.section-top p{font-size:13px;padding-bottom:18px}.works-grid{grid-template-columns:1fr;gap:18px}.work img{height:auto;aspect-ratio:auto;object-fit:contain}.work span{font-size:15px;padding:15px 17px}.opening-panel p{font-size:14px}.opening-figure{border-radius:12px}.system-intro{grid-template-columns:1fr;gap:0}.system-intro>p{font-size:14px;margin-bottom:24px}.details-grid{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:14px;padding-bottom:12px}.details-grid article{flex:0 0 85%;scroll-snap-align:start;padding:24px}.detail-num{margin-bottom:20px}.details-grid h3{font-size:23px}.use-panel{padding:27px 22px;border-radius:16px}.use-columns{grid-template-columns:1fr;gap:26px;margin-top:24px}.steps{grid-template-columns:1fr 1fr;gap:24px 18px}.steps h3{font-size:16px}.steps p{font-size:13px}.steps li>span{font-size:28px;margin-bottom:13px}.faq-layout{grid-template-columns:1fr;gap:22px}.faq-layout>div>p{font-size:14px}.faq-layout>div>p br{display:none}summary{font-size:16px}.final-cta{display:block;padding:26px 22px}.final-cta h2{font-size:27px}.final-cta .button{margin-top:24px}.footer{margin-top:18px;padding:30px 0 120px}.footer-grid{grid-template-columns:1fr;gap:26px}.legal{grid-column:auto}.sticky-actions{bottom:0;left:0;right:0;transform:none;border-radius:0;padding:9px 10px calc(9px + env(safe-area-inset-bottom));gap:7px}.sticky-actions a,.sticky-actions button{flex:1;min-width:0;padding:12px 7px;font-size:13px}}
@media(max-width:360px){.hero h1{font-size:38px}.steps{grid-template-columns:1fr}.fields{grid-template-columns:1fr}.trust{grid-template-columns:1fr}.trust span:last-child{grid-column:auto}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.pane,.button{transition:none}}
/* Product page: full photographic hero and the established applications block. */
.hero{background:#344f62;min-height:660px;padding:0 0 40px;color:white;overflow:hidden}.hero-background{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 52%}.hero:before{content:'';position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(13,29,40,.88) 0%,rgba(13,29,40,.65) 38%,rgba(13,29,40,.12) 75%)}.hero:after{z-index:2;height:35px}.hero-layout{display:block;position:relative;z-index:2;padding-top:85px;padding-bottom:65px}.hero-copy{max-width:650px}.hero h1{font-size:clamp(44px,4.8vw,70px);font-weight:600;line-height:1.08;text-shadow:0 2px 15px #142b3f40}.hero-intro{font-size:25px;font-weight:400;line-height:1.35}.hero .region{color:#e1e9ee}.hero .tags li{color:white;background:#172d3fa3;border-color:#ffffff60;backdrop-filter:blur(8px);font-size:13px;padding:10px 13px}.hero .actions{margin-top:30px}.application-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.application-cards article{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#f0efeb}.application-cards img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover}.application-cards h3{margin:0;padding:20px 23px}.application-description{max-width:1080px;margin:32px 0 22px;color:var(--muted);font-size:17px;line-height:1.7}.application-cta{padding:28px 30px;display:flex;align-items:center;gap:32px;border:1px solid var(--line);border-left:3px solid #728e9f;border-radius:16px;background:#edf2f3}.application-cta>div{flex:1}.application-cta h3{font-size:25px;line-height:1.4;font-weight:500}.application-cta p{font-size:15px;color:var(--muted)}.application-cta .button{flex-shrink:0;color:white;background:var(--steel)}.benefit-carousel{display:flex;align-items:center;gap:20px;margin-top:30px}.benefit-prev{flex-shrink:0;width:44px;height:44px;border:1px solid #c1d0d9;border-radius:50%;background:transparent;color:var(--steel);font-size:22px}.benefit-track{display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;flex:1}.benefit-track article{flex:0 0 calc((100% - 48px)/3);scroll-snap-align:start;border-top:1px solid var(--line);padding-top:20px}.benefit-track article>span{font-size:27px;color:var(--steel);line-height:1}.benefit-track h3{font-size:18px;margin:12px 0 8px}.benefit-track p{font-size:13px;color:var(--muted)}.works-grid{grid-template-columns:repeat(3,1fr)}.video-frame{aspect-ratio:16/9;background:linear-gradient(#142a3c55,#142a3c88),url('assets/glass-1.webp') center/cover;border-radius:20px;overflow:hidden;display:grid;place-items:center;position:relative}.video-play{position:absolute;inset:0;width:100%;height:100%;border:0;background:transparent;color:white;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px}.video-play span{display:grid;place-items:center;width:74px;height:74px;background:#faf9f6ed;border-radius:50%;color:var(--steel);font-size:24px;padding-left:4px}.video-play strong{font-size:18px;font-weight:500;text-shadow:0 1px 6px #142a3c}.video-frame iframe{width:100%;height:100%;border:0}.details-grid article{padding:0;overflow:hidden}.details-grid article>img{width:100%;aspect-ratio:16/9;object-fit:contain;background:white}.detail-copy{padding:24px}.detail-num{margin-bottom:18px}
@media(max-width:1000px){.works-grid{grid-template-columns:repeat(2,1fr)}.application-cta{display:block}.application-cta .button{margin-top:20px}.benefit-track article{flex-basis:70%}}
@media(max-width:700px){.hero{min-height:760px;padding:0 0 20px}.hero-background{inset:auto 0 0;width:100%;height:auto;object-fit:contain}.hero:before{background:linear-gradient(180deg,#243e50 0%,#243e50 39%,#243e50b0 60%,#243e5000 85%)}.hero-layout{padding-top:33px;padding-bottom:260px}.hero h1{font-size:43px;letter-spacing:-1.4px}.hero-intro{font-size:21px}.hero .tags{max-width:360px}.hero .tags li{font-size:11px;padding:8px 10px}.hero .actions{margin-top:22px}.hero .region{font-size:13px}.application-cards{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:15px;padding-bottom:12px}.application-cards article{flex:0 0 88%;scroll-snap-align:start}.application-cards img{aspect-ratio:4/3;object-fit:contain;background:#f0efeb}.application-cards h3{font-size:21px;padding:18px 20px}.application-description{font-size:16px;margin-top:24px}.application-cta{padding:22px 20px}.application-cta h3{font-size:22px}.application-cta p{font-size:14px}.benefit-carousel{gap:12px}.benefit-track article{flex-basis:96%}.benefit-track h3{font-size:18px}.works-grid{grid-template-columns:1fr}.work img{height:auto;aspect-ratio:auto;object-fit:contain}.video-frame{border-radius:14px}.video-play span{width:56px;height:56px;font-size:20px}.video-play strong{font-size:14px}.detail-copy{padding:22px}.details-grid article{padding:0}.details-grid article>img{height:auto;aspect-ratio:16/9}.trust{padding-top:20px}}
@media(max-width:360px){.hero h1{font-size:38px}.hero-layout{padding-bottom:230px}}
/* Match the typography of the published transparent-shutter page. */
body{font-family:Golos,Arial,sans-serif;font-size:16px;font-weight:400}
.hero h1{font-size:clamp(42px,4.3vw,68px);font-weight:600;line-height:1.08;letter-spacing:-2px}
h2{font-size:clamp(30px,3vw,46px);font-weight:500;line-height:1.2;letter-spacing:-1px}
.hero-intro{font-size:clamp(20px,1.7vw,27px);font-weight:500;line-height:1.35;letter-spacing:-.4px}
.application-description,.system-intro>p,.estimate-panel>div>p{font-size:18px;line-height:1.65}
.application-cta h3{font-size:clamp(21px,2vw,28px);font-weight:500;line-height:1.4;letter-spacing:-.5px}
.application-cta p{font-size:16px;line-height:1.65}
.details-grid p{font-size:14px;line-height:1.7}
.steps p{font-size:16px;line-height:1.65}
.estimate-panel{align-items:center;gap:40px;padding:32px 36px}
.estimate-panel h2{font-size:clamp(30px,3vw,44px);margin-bottom:18px}
.estimate-photo-link{display:inline-block;margin-top:20px;font-size:14px;color:var(--steel);text-underline-offset:4px}
.system-note{margin-top:26px;padding:18px 22px;border-left:3px solid #728e9f;border-radius:0 10px 10px 0;background:#edf2f3;color:#626c73;font-size:16px;line-height:1.65;max-width:1080px}
@media(max-width:700px){
 .hero h1{font-size:42px;letter-spacing:-1.4px}
 .hero-intro{font-size:19px;line-height:1.35}
 h2,.estimate-panel h2{font-size:30px;letter-spacing:-.6px}
 .application-description,.system-intro>p,.estimate-panel>div>p{font-size:16px;line-height:1.65}
 .application-cta h3{font-size:21px;line-height:1.4;letter-spacing:-.3px}
 .application-cta p{font-size:15px;line-height:1.6}
 .details-grid p{font-size:16px;line-height:1.7}
 .estimate-panel{padding:26px 22px;gap:22px}
 .system-note{font-size:15px;padding:17px 18px}
}

/* Review: two trust facts, centred technical views, explicit contact choices. */
.trust{grid-template-columns:repeat(2,1fr)}
.trust span:last-child{grid-column:auto}
.detail-visual{aspect-ratio:4/3;overflow:hidden;background:white}
.detail-visual img{width:100%;height:100%;object-fit:cover;object-position:60% center}
.detail-visual img[src$="tech-seal.png"]{object-position:65% center}
.detail-visual img[src$="tech-frame.png"]{object-position:64% center}
.final-contact{display:flex;flex-direction:column;gap:12px;flex-shrink:0;min-width:330px}
.final-contact>.button{width:100%}
.final-messengers{display:flex;gap:8px}
.final-messengers .button{flex:1;padding:12px 14px;min-height:48px;font-size:14px;background:#e5edf2;border-color:#c1d0d9;color:#243e50;white-space:nowrap}
@media(max-width:1000px){.final-cta{flex-wrap:wrap}.final-contact{min-width:0;width:100%;max-width:420px}}
@media(max-width:700px){.final-contact{margin-top:22px}.final-contact .button{margin-top:0}.final-messengers .button{padding:12px 8px;font-size:13px;gap:4px}}
@media(max-width:360px){.trust{grid-template-columns:1fr}.final-messengers{flex-wrap:wrap}}

.form-consent{display:flex!important;align-items:flex-start;gap:10px;font-size:13px!important;line-height:1.5;font-weight:400!important}.form-consent input{width:18px!important;height:18px!important;padding:0!important;flex:0 0 18px;margin-top:2px}.form-honeypot{display:none!important}