:root{--navy:#061525;--navy2:#0c223a;--blue:#1168e8;--ice:#eef6ff;--white:#fff;--ink:#10233d;--muted:#63748a;--line:#d9e5f2;--radius:18px;--shadow:0 20px 55px rgba(5,36,75,.14)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;color:var(--ink);background:#fff}a{text-decoration:none;color:inherit}button,input,select,textarea{font:inherit}.wrap{width:min(1180px,calc(100% - 40px));margin:auto}.header{position:sticky;top:0;z-index:20;background:rgba(5,21,38,.97);border-bottom:1px solid #21364d;backdrop-filter:blur(14px)}.nav{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px}.logo{width:185px;background:#fff;padding:5px 8px;border-radius:9px}.links{display:flex;gap:20px;align-items:center;color:#fff;font-size:14px}.links a{opacity:.78}.links a:hover,.links a.active{opacity:1;color:#79b5ff}.btn{display:inline-flex;justify-content:center;align-items:center;border:0;border-radius:10px;background:var(--blue);color:#fff;padding:13px 18px;font-weight:800;cursor:pointer}.btn:hover{background:#075bcf;transform:translateY(-1px)}.menu{display:none;border:0;background:transparent;color:#fff;font-size:25px}.eyebrow{text-transform:uppercase;letter-spacing:.1em;color:#4797ff;font-size:12px;font-weight:850}.page-hero{min-height:440px;color:#fff;display:flex;align-items:end;background:linear-gradient(90deg,rgba(4,16,31,.98),rgba(4,16,31,.66)),var(--hero) center/cover}.page-hero.photo-hero{min-height:510px;background:linear-gradient(90deg,rgba(4,16,31,.9) 0%,rgba(4,16,31,.48) 40%,rgba(4,16,31,.06) 72%),var(--hero) center/cover}.page-hero .wrap{padding:92px 0 58px}.page-hero h1{font-size:clamp(42px,7vw,74px);line-height:1.03;letter-spacing:-.05em;margin:12px 0 18px;max-width:850px}.page-hero p{font-size:18px;line-height:1.6;color:#d4e0ed;max-width:690px}.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}.btn-ghost{border:1px solid rgba(255,255,255,.5);border-radius:10px;padding:12px 17px;color:#fff;font-weight:750;background:rgba(255,255,255,.08)}section{padding:76px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}.section-head h2{font-size:clamp(32px,5vw,50px);letter-spacing:-.04em;margin:8px 0 0}.section-head p{max-width:510px;color:var(--muted);line-height:1.65;margin:0}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.card{border:1px solid var(--line);border-radius:var(--radius);padding:25px;background:#fff}.card h3{margin:4px 0 10px}.card p,.prose p{color:var(--muted);line-height:1.65}.number{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:#e4f0ff;color:var(--blue);font-weight:900;margin-bottom:16px}.ice{background:var(--ice)}.dark{background:var(--navy);color:#fff}.dark .card{background:#0c223a;border-color:#26405e}.dark .card p,.dark .section-head p{color:#b7c7d9}.photo{min-height:410px;border-radius:22px;background:var(--photo) center/cover;box-shadow:var(--shadow)}.split{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:44px}.split h2{font-size:clamp(34px,5vw,52px);letter-spacing:-.04em}.checks{display:grid;gap:11px;margin:22px 0}.checks div{padding:13px 15px;border-radius:11px;background:var(--ice);font-weight:700}.checks div:before{content:'✓';color:var(--blue);margin-right:9px}.brand-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.brand{border:1px solid var(--line);border-radius:16px;padding:22px;background:#fff}.brand b{font-size:23px;color:var(--blue)}.brand p{font-size:13px;color:var(--muted);line-height:1.55}.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.work{min-height:290px;border-radius:17px;background:var(--photo) center/cover;position:relative;overflow:hidden;color:#fff}.work div{position:absolute;inset:auto 0 0;padding:55px 22px 22px;background:linear-gradient(transparent,rgba(4,16,31,.96))}.work b{font-size:20px}.work span{display:block;font-size:13px;opacity:.8;margin-top:5px}.form{display:grid;gap:11px}.form input,.form select,.form textarea{width:100%;border:1px solid #c5d6e8;border-radius:10px;padding:13px;background:#fff}.form textarea{min-height:100px}.notice{display:none;padding:14px;border-radius:11px;background:#ddf5e7;color:#14613a;font-weight:700}.contact-box{padding:30px;border-radius:20px;background:var(--ice)}.contact-list{display:grid;gap:13px;margin:22px 0}.cta{background:linear-gradient(120deg,#0d63da,#173a74);color:#fff}.cta-row{display:flex;align-items:center;justify-content:space-between;gap:28px}.cta h2{font-size:clamp(32px,5vw,50px);margin:0 0 8px}.cta p{margin:0;color:#d9e9ff}.cta .btn{background:#fff;color:#0e5dc8}.faq{max-width:860px;margin:auto}.faq details{border-bottom:1px solid var(--line);padding:18px 0}.faq summary{font-weight:800;cursor:pointer}.faq p{color:var(--muted);line-height:1.6}.footer{background:#04101f;color:#fff;padding:34px 0}.footer-row{display:flex;align-items:center;justify-content:space-between;gap:24px}.footer small{opacity:.55}.mobile-bar{display:none}
@media(max-width:930px){.links{display:none}.menu{display:block}.grid-3,.gallery{grid-template-columns:repeat(2,1fr)}.brand-grid{grid-template-columns:repeat(2,1fr)}.split{grid-template-columns:1fr}.cta-row{align-items:flex-start;flex-direction:column}}
@media(max-width:620px){.wrap{width:min(100% - 28px,1180px)}.logo{width:158px}.page-hero .wrap{padding:66px 0 42px}.page-hero{min-height:390px}.page-hero h1{font-size:42px}section{padding:56px 0}.grid-3,.grid-2,.gallery,.brand-grid{grid-template-columns:1fr}.section-head{align-items:flex-start;flex-direction:column}.footer-row{align-items:flex-start;flex-direction:column}.mobile-bar{position:sticky;bottom:0;z-index:30;display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:9px;background:#fff;border-top:1px solid var(--line)}.mobile-bar a{text-align:center;padding:12px;border-radius:9px;background:#e7f1ff;color:#155db8;font-weight:800}.mobile-bar a:first-child{background:var(--blue);color:#fff}}
.page-hero.photo-hero{position:relative;overflow:hidden;isolation:isolate;background:#061525!important}.page-hero.photo-hero:after{content:'';position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(4,16,31,.94) 0%,rgba(4,16,31,.56) 45%,rgba(4,16,31,.08) 78%)}.page-hero-image{position:absolute;inset:0;z-index:-2;width:100%;height:100%;display:block;object-fit:cover;object-position:center}.page-hero.photo-hero>.wrap{position:relative;z-index:1}
.installation-finder-section{background:linear-gradient(135deg,#061525,#0b315b);color:#fff}.finder-layout{display:grid;grid-template-columns:1fr minmax(360px,520px);gap:56px;align-items:center}.finder-intro h2{font-size:clamp(36px,5vw,56px);line-height:1.05;margin:10px 0 18px}.finder-intro>p{color:#c8d7e8;line-height:1.7;max-width:600px}.finder-intro .checks div{background:rgba(255,255,255,.09)}.finder{background:rgba(10,33,60,.96);border:1px solid rgba(124,184,255,.32);border-radius:20px;padding:25px;box-shadow:0 24px 70px rgba(0,0,0,.28)}.field{margin:11px 0}.field label{display:block;font-size:12px;font-weight:800;margin:0 0 6px}.field select{width:100%;border:1px solid #496684;border-radius:10px;background:#091a2c;color:#fff;padding:13px}.finder>.btn{width:100%;margin-top:8px}.finder-help{background:rgba(255,255,255,.09);border:1px solid #58718d}.finder-result{display:none;margin-top:13px;background:rgba(17,104,232,.2);border-radius:10px;padding:14px}.finder-result strong{display:block;font-size:20px;margin-top:6px}.price-modal{position:fixed;z-index:100;inset:0;display:grid;place-items:center;padding:20px;background:rgba(2,10,20,.9)}.price-modal[hidden]{display:none}.price-dialog{position:relative;width:min(680px,100%);max-height:92vh;overflow:auto;border-radius:22px;background:#fff;padding:32px;color:#10253e}.price-close{position:absolute;right:16px;top:10px;border:0;background:none;font-size:36px;cursor:pointer}.price-car{padding:12px;border-radius:10px;background:#eaf3ff;margin:14px 0;font-weight:800}.cylinder-picker{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.cylinder-picker button{border:1px solid #bcd0e6;background:#fff;border-radius:8px;padding:8px 13px;cursor:pointer}.cylinder-picker button.active{background:#1168df;color:#fff;border-color:#1168df}.price-options{display:grid;gap:9px;margin:16px 0}.price-option{display:flex;justify-content:space-between;gap:15px;align-items:center;border:1px solid #d9e5f2;border-radius:12px;padding:15px}.price-option small{display:block;color:#68798c;margin-top:3px}.price-option>strong{color:#1168df;font-size:19px;white-space:nowrap}.price-note{color:#68798c;line-height:1.55;font-size:13px}.price-actions{display:flex;gap:10px;flex-wrap:wrap}.price-actions .btn-ghost{color:#155db8;border-color:#9bbce2}@media(max-width:800px){.finder-layout{grid-template-columns:1fr;gap:28px}.price-option{align-items:flex-start;flex-direction:column}.price-dialog{padding:28px 20px}}
.installation-visuals{background:#fff}.installation-photo-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:300px;gap:18px}.install-shot{position:relative;margin:0;border-radius:20px;overflow:hidden;background:#0a2139;box-shadow:0 18px 45px rgba(7,31,56,.14)}.install-shot-wide{grid-column:span 1}.install-shot img{width:100%;height:100%;display:block;object-fit:cover;transition:transform .5s ease}.install-shot:hover img{transform:scale(1.04)}.install-shot:after{content:'';position:absolute;inset:35% 0 0;background:linear-gradient(transparent,rgba(3,15,29,.94))}.install-shot figcaption{position:absolute;z-index:2;left:0;right:0;bottom:0;padding:24px;color:#fff}.install-shot figcaption b{display:block;font-size:21px}.install-shot figcaption span{display:block;margin-top:5px;color:#c8d8e9;font-size:14px}.installation-photo-grid .install-shot:first-child,.installation-photo-grid .install-shot:last-child{grid-row:span 2}@media(max-width:800px){.installation-photo-grid{grid-template-columns:1fr;grid-auto-rows:270px}.installation-photo-grid .install-shot:first-child,.installation-photo-grid .install-shot:last-child{grid-row:span 1}}
.result-photo{position:relative;height:470px;margin:0;border-radius:22px;overflow:hidden;background:#0a2139;box-shadow:var(--shadow)}.result-photo img{width:100%;height:100%;display:block;object-fit:cover}.result-photo:after{content:'';position:absolute;inset:55% 0 0;background:linear-gradient(transparent,rgba(3,15,29,.88))}.result-photo figcaption{position:absolute;z-index:2;left:0;right:0;bottom:0;padding:22px;color:#fff;font-weight:800}@media(max-width:800px){.result-photo{height:340px}}
.symptom-grid{align-items:stretch}.symptom-card{position:relative;padding-top:72px}.symptom-card h3{font-size:22px;line-height:1.2}.symptom-icon{position:absolute;top:22px;left:25px;display:grid;place-items:center;min-width:39px;height:39px;padding:0 9px;border-radius:11px;background:#e4f0ff;color:#1168df;font-size:13px;font-weight:900}.symptom-list{display:grid;gap:11px;margin:18px 0 0;padding:16px 0 0;list-style:none;border-top:1px solid var(--line)}.symptom-list li{color:#55687c;font-size:14px;line-height:1.55}.symptom-list b{color:#20364e}.symptom-warning{border-color:#f0b5b5;background:#fffafa}.symptom-warning .symptom-icon{background:#ffe1e1;color:#b32626}.symptom-note{margin-top:22px;padding:18px 20px;border-left:4px solid #d53030;border-radius:10px;background:#fff0f0;color:#602222;line-height:1.6}
.contact-map{position:relative;min-height:520px;border:1px solid var(--line);border-radius:22px;overflow:hidden;background:#dcecff;box-shadow:var(--shadow)}.contact-map iframe{display:block;width:100%;height:520px;border:0}.contact-map-card{position:absolute;left:20px;right:20px;bottom:20px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 20px;border-radius:15px;background:rgba(255,255,255,.95);box-shadow:0 14px 36px rgba(7,32,58,.2);backdrop-filter:blur(10px)}.contact-map-card strong{display:block;font-size:20px}.contact-map-card span{display:block;margin-top:5px;color:var(--muted)}@media(max-width:650px){.contact-map,.contact-map iframe{height:480px;min-height:480px}.contact-map-card{align-items:stretch;flex-direction:column}.contact-map-card .btn{width:100%}}

.work-hours{display:grid;gap:6px;margin-top:8px;padding:15px;border-radius:12px;background:#fff;border:1px solid var(--line)}.work-hours strong{color:var(--ink);margin-bottom:2px}.work-hours span{color:var(--muted);font-size:14px}

.installation-standards div{display:grid;grid-template-columns:auto 1fr;column-gap:4px;align-items:start}.installation-standards div:before{grid-row:1/3}.installation-standards b{display:block}.installation-standards span{display:block;margin-top:4px;color:var(--muted);font-size:13px;line-height:1.5;font-weight:500}

/* modern-accessibility */
:where(a,button,input,select,textarea,summary):focus-visible{outline:3px solid #65aeff;outline-offset:3px}
@media(max-width:780px){.links.mobile-open{display:flex!important;position:absolute;left:14px;right:14px;top:109px;flex-direction:column;align-items:stretch;padding:18px;border-radius:14px;background:#061525;box-shadow:0 18px 45px rgba(0,0,0,.3)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}

.skip-link{position:fixed;z-index:999;left:12px;top:12px;transform:translateY(-160%);background:#fff;color:#061525;padding:11px 15px;border-radius:9px;font-weight:800;box-shadow:0 8px 24px rgba(0,0,0,.25)}.skip-link:focus{transform:translateY(0)}

.commercial-terms{background:#fff}.terms-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.term-card{padding:23px;border:1px solid var(--line);border-radius:16px;background:linear-gradient(145deg,#fff,#f4f9ff)}.term-card>span{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:10px;background:#e5f1ff;color:var(--blue);font-size:12px;font-weight:900}.term-card h3{margin:15px 0 8px;font-size:19px}.term-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.6}@media(max-width:850px){.terms-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:560px){.terms-grid{grid-template-columns:1fr}}
.spam-trap{position:absolute!important;left:-10000px!important;top:auto!important;width:1px!important;height:1px!important;overflow:hidden!important;opacity:0!important;pointer-events:none!important}