:root{--bg:#050b12;--bg2:#081521;--panel:#0a1724;--border:#233749;--txt:#f3f7fb;--muted:#9db2c3;--blue:#087cff;--aqua:#32bbff;--green:#17bc85;--gold:#eeae3d;--purple:#9d76fd;--radius:15px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--txt);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;font-size:16px;line-height:1.48}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}img{display:block;max-width:100%}.container{max-width:1216px;margin:0 auto;padding:0 27px}header{position:sticky;top:0;z-index:30;background:#060b12f5;border-bottom:1px solid #193043;backdrop-filter:blur(12px)}.header-inner{display:flex;height:76px;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:11px;white-space:nowrap;font-size:27px;font-weight:850;letter-spacing:.6px}.mark{font-family:Georgia,serif;font-size:37px;font-weight:bold;line-height:1;color:#fff}.navigation{display:flex;align-items:center;gap:30px}.navigation a{font-size:14px;color:#d2dce8;transition:.2s}.navigation a:hover,.navigation a.active{color:var(--aqua)}.navigation a.active{border-bottom:2px solid var(--blue);padding:28px 0 26px}.btn{border:1px solid var(--blue);color:#fff;background:var(--blue);padding:11px 19px;border-radius:8px;font-size:14px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:43px;transition:background .2s,transform .2s}.btn:hover{background:#2690ff}.btn:active{transform:scale(.98)}.btn.outline{background:transparent;border-color:#2988ce}.btn.outline:hover{background:#08365d}.btn.small{min-height:38px;padding:8px 13px;font-size:13px}.btn.ghost{border-color:#395267;background:#102232}.menu-button{display:none;color:#fff;background:none;border:1px solid #37506b;border-radius:8px;padding:8px 11px;font-size:21px}.eyebrow{text-transform:uppercase;letter-spacing:2.6px;font-size:12px;color:#79b7df;font-weight:700;margin:0 0 16px}.hero{position:relative;min-height:450px;overflow:hidden;background:radial-gradient(circle at 64% 42%,#0b3550 0,#06111d 35%,#030a10 83%)}.hero-image{position:absolute;right:0;top:0;height:100%;width:67%;object-fit:cover;object-position:center;opacity:.85;mask-image:linear-gradient(90deg,transparent 0%,#000 28%)}.hero:after{content:'';position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,#040b14 1%,transparent 69%),linear-gradient(0deg,#030910 0,transparent 25%)}.hero-content{position:relative;z-index:1;padding-top:82px;padding-bottom:72px}.hero h1{max-width:660px;font-size:clamp(34px,4.8vw,59px);line-height:1.13;letter-spacing:-1.8px;margin:0 0 16px;font-weight:830}.hero h1 em{font-style:normal;color:var(--aqua)}.hero p.lead{max-width:510px;color:#cad9e8;font-size:18px;margin:0 0 26px}.actions{display:flex;gap:13px;flex-wrap:wrap}.section{padding:43px 0}.section-heading{display:flex;gap:15px;align-items:baseline;justify-content:space-between;margin:0 0 20px}.section-heading h2{margin:0;font-size:29px;line-height:1.2;letter-spacing:-.5px}.section-heading a{font-size:14px;color:var(--aqua)}.section-desc{color:var(--muted);max-width:670px;margin-top:8px}.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.cards.four{grid-template-columns:repeat(4,1fr)}.card{background:linear-gradient(135deg,#0c1d2a,#07121d);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;min-width:0}.product-card{display:grid;grid-template-columns:45% 55%;min-height:214px}.product-photo{min-height:220px;object-fit:cover;object-position:center;width:100%;height:100%;background:#0b1b2c}.product-details{padding:24px 23px;display:flex;flex-direction:column;align-items:start}.product-details h3{font-size:25px;margin:9px 0 2px}.muted{color:var(--muted)}.price{font-size:21px;font-weight:800;color:#fff;margin:14px 0 17px}.badge{font-size:11px;font-weight:700;padding:5px 9px;border-radius:6px;display:inline-flex;align-items:center}.badge.ready{color:#a9ffdd;background:#0b513d}.badge.dev{color:#ffd18a;background:#593609}.badge.test{color:#e4d6ff;background:#3b1e5c}.mini-info{font-size:14px;color:#aec0cf;margin:3px 0}.product-details .btn{margin-top:auto}.wholesale-banner{padding:38px 0;background:linear-gradient(105deg,#0b2033 5%,#071623 67%,#0d3552);border-top:1px solid #17456c;border-bottom:1px solid #17456c}.wholesale-inner{display:flex;align-items:center;justify-content:space-between;gap:28px}.wholesale-inner h2{margin:0 0 8px;font-size:25px}.wholesale-inner p{margin:0;color:#b4cada;max-width:670px}.sub-hero{padding:73px 0 64px;position:relative;background:linear-gradient(110deg,#071320 18%,#0b2c44 75%,#081521);overflow:hidden;border-bottom:1px solid #153854}.sub-hero:before{content:'';position:absolute;inset:0;background-image:url(assets/hero.webp);background-position:right;background-repeat:no-repeat;background-size:58% auto;opacity:.24;mask-image:linear-gradient(90deg,transparent,#000)}.sub-hero .container{position:relative}.sub-hero h1{font-size:51px;letter-spacing:-1.2px;line-height:1.12;margin:0 0 15px}.sub-hero p{max-width:680px;font-size:18px;color:#c7d7e5;margin:0}.statement{font-size:20px;color:#d8e5f0;max-width:830px}.split{display:grid;grid-template-columns:1.05fr .95fr;gap:35px}.panel{background:linear-gradient(145deg,#0d1e2b,#08131f);border:1px solid var(--border);border-radius:16px;padding:28px}.panel h2{margin:0 0 9px;font-size:25px}.panel p{color:#b3c7d5}.steps{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.step{padding:24px;background:#0c1a27;border:1px solid #23384c;border-radius:12px}.step .number{color:var(--aqua);font-size:27px;font-weight:750;margin-bottom:8px}.step h3{font-size:17px;margin:0 0 5px}.step p{font-size:14px;color:var(--muted);margin:0}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}.field{display:grid;gap:7px}.field.full{grid-column:1/-1}.field label{color:#b8cfe0;font-size:13px}.field input,.field textarea,.field select{width:100%;min-height:46px;border-radius:8px;background:#071521;border:1px solid #385069;color:#fff;padding:11px 13px;outline:none}.field textarea{resize:vertical;min-height:115px}.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--aqua);box-shadow:0 0 0 3px #0a6ec533}.form-note{color:#90a6ba;font-size:12px;margin-top:14px}.notice{margin-top:15px;padding:13px;background:#12334a;border:1px solid #2779a5;color:#cdeaff;border-radius:8px;display:none}.notice.show{display:block}.gallery{display:grid;grid-template-columns:1fr 1fr;gap:13px}.gallery img{width:100%;height:220px;object-fit:cover;border-radius:11px;border:1px solid #27435a}.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.fact{padding:22px;border:1px solid #294057;border-radius:12px;background:#0a1a28}.fact h3{font-size:17px;margin:0 0 8px}.fact p{margin:0;color:#aabfd0;font-size:14px}.contact-lines{display:grid;gap:14px}.contact-line{padding:20px;border-radius:11px;border:1px solid #2d445b;background:#0b1b2a;display:flex;justify-content:space-between;align-items:center;gap:18px}.contact-line strong{display:block;margin-bottom:4px}.contact-line span{color:#a7bbcb;font-size:14px}.contact-line .btn{white-space:nowrap}.divider{height:1px;background:#1d3246;margin:25px 0}.intro{color:#c4d4e0;max-width:700px}.order-panel{position:fixed;z-index:50;right:0;top:0;height:100vh;background:#091826;border-left:1px solid #38536b;width:min(440px,100vw);transform:translateX(105%);transition:transform .25s;box-shadow:-20px 0 60px #000a;overflow-y:auto;padding:28px}.order-panel.open{transform:translateX(0)}.panel-backdrop{position:fixed;inset:0;z-index:49;display:none;background:#0009}.panel-backdrop.visible{display:block}.drawer-image{width:100%;height:210px;object-fit:cover;border-radius:12px;margin:20px 0}.drawer-title{font-size:28px;font-weight:800}.drawer-price{font-size:29px;font-weight:800;margin:17px 0}.option-row{display:grid;gap:7px;margin:14px 0}.option-row label{font-size:13px;color:#bdcede}.option-row select,.option-row input{padding:13px;background:#0d2639;color:white;border:1px solid #496177;border-radius:9px}.close{float:right;border:0;background:none;color:#e9f1fa;font-size:28px}.site-footer{padding:30px 0 40px;background:#050a10;border-top:1px solid #193447}.footer-inner{display:flex;align-items:start;justify-content:space-between;gap:20px}.footer-inner .brand{font-size:22px}.footer-nav{display:flex;gap:21px;flex-wrap:wrap;color:#a8bece;font-size:13px}.footer-note{font-size:12px;color:#8096a5;margin-top:12px}.callout{border:1px solid #26577a;background:#0a2337;padding:18px 20px;border-radius:11px;color:#b9d9ed}.dev-images{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.dev-images .product-card{grid-template-columns:44% 56%}
@media(max-width:980px){.navigation{gap:17px}.navigation a{font-size:13px}.header-cta{display:none}.hero-image{width:75%}.cards.four{grid-template-columns:repeat(2,1fr)}.product-card{grid-template-columns:1fr}.product-photo{height:220px}.steps{grid-template-columns:1fr 1fr}}
@media(max-width:720px){.container{padding:0 18px}.header-inner{height:66px}.brand{font-size:23px}.mark{font-size:30px}.menu-button{display:block}.navigation{display:none;position:absolute;left:0;right:0;top:65px;background:#06111cf7;padding:15px 22px 23px;flex-direction:column;align-items:stretch;gap:6px;box-shadow:0 30px 45px #000a;border-bottom:1px solid #284863}.navigation.open{display:flex}.navigation a{padding:10px 8px!important;border:0!important;font-size:16px}.hero{min-height:0}.hero-image{width:100%;height:245px;mask-image:linear-gradient(0deg,transparent,#000 42%);opacity:.67;object-position:center}.hero:after{background:linear-gradient(0deg,#030a10 0%,#030a10cf 45%,#030a1030 100%)}.hero-content{padding-top:190px;padding-bottom:48px}.hero h1{font-size:35px;letter-spacing:-.8px;max-width:440px}.hero p.lead{font-size:15px}.eyebrow{font-size:10px}.actions{flex-direction:column}.actions .btn{width:100%}.section{padding:30px 0}.section-heading h2{font-size:24px}.section-heading a{font-size:12px;white-space:nowrap}.cards,.dev-images,.cards.four,.split,.facts,.steps{grid-template-columns:1fr;gap:13px}.product-card,.dev-images .product-card{grid-template-columns:42% 58%;min-height:160px}.product-photo{height:100%;min-height:166px}.product-details{padding:14px 14px}.product-details h3{font-size:20px;margin:5px 0 2px}.product-details .mini-info{font-size:12px;line-height:1.35}.price{font-size:17px;margin:7px 0 10px}.badge{font-size:10px;padding:4px 6px}.product-details .btn{padding:7px 8px;min-height:35px;font-size:12px}.sub-hero{padding:48px 0}.sub-hero h1{font-size:36px}.sub-hero p{font-size:16px}.wholesale-inner{flex-direction:column;align-items:stretch}.wholesale-inner h2{font-size:23px}.panel{padding:21px}.gallery img{height:165px}.facts{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.contact-line{flex-direction:column;align-items:flex-start}.footer-inner{flex-direction:column}.footer-nav{gap:14px}.statement{font-size:17px}}
@media(max-width:395px){.hero h1{font-size:31px}.product-card{grid-template-columns:40% 60%}.product-details h3{font-size:18px}.product-details{padding:11px}.product-photo{min-height:180px}}
/* Final cart + product selection */
.cart-header{display:inline-flex;align-items:center;justify-content:center;gap:8px;white-space:nowrap;border:1px solid #355876;color:#e6f3ff;border-radius:8px;padding:8px 11px;min-height:43px;font-size:14px;font-weight:700}
.cart-count{display:inline-grid;place-items:center;background:#087cff;border-radius:50%;width:23px;height:23px;font-size:12px}
.honeypot{position:absolute!important;left:-10000px;top:auto;width:1px;height:1px;overflow:hidden}
.drawer-head{display:flex;align-items:center;justify-content:space-between}.drawer-head .eyebrow{margin-bottom:0}.drawer-head .close{float:none;font-size:32px;line-height:1}
.drawer-title{margin:10px 0 14px}.drawer-top{display:grid;grid-template-columns:45% 1fr;align-items:center;gap:18px;margin:8px 0 20px}.drawer-image{width:100%;height:146px;margin:0;background:#101b25;object-fit:cover}.drawer-helper{font-size:13px;color:#a8bccb}
.model-pills{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.model-pill{display:flex;flex-direction:column;gap:3px;align-items:center;justify-content:center;min-height:70px;background:#0e2133;color:#dce8f5;border:1px solid #3d5267;border-radius:9px;padding:9px 4px;font-size:13px}.model-pill strong{font-size:12px}.model-pill.active,.toggle-pill.selected{border-color:#1b98ff;background:#103d65;box-shadow:inset 0 0 0 1px #0586fd}
.polarization-choice{display:grid;grid-template-columns:1fr 1fr;gap:8px}.toggle-pill{min-height:46px;background:#0e2133;color:#eef6ff;border:1px solid #3d5267;border-radius:9px;font-weight:700}
.qty-control{display:flex;border:1px solid #47617c;background:#081a2a;border-radius:10px;overflow:hidden;width:210px;max-width:100%;height:52px}.qty-control button{width:55px;flex:0 0 55px;background:#12304a;color:#fff;border:0;font-size:28px;line-height:1}.qty-control button:hover{background:#18598a}.qty-control input{min-width:0;width:100%;background:#071622;color:#fff;font-weight:800;text-align:center;border:0!important;padding:0!important;box-shadow:none!important;font-size:19px;appearance:textfield;-moz-appearance:textfield}.qty-control input::-webkit-inner-spin-button,.qty-control input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}
.qty-presets{display:flex;gap:8px;flex-wrap:wrap;margin-top:9px}.qty-presets button{background:#11283b;color:#c6dbe9;border:1px solid #2c4d64;border-radius:6px;font-size:12px;padding:6px 11px}.qty-presets button.active{color:#fff;border-color:#1a96fb;background:#103b60}
.drawer-totals{border-top:1px solid #28435b;padding:16px 0 0;margin:20px 0 18px}.drawer-totals>div{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 0 10px}.drawer-totals span{color:#b5c9d7}.drawer-totals .drawer-total-line{margin-top:14px}.drawer-price,.drawer-total-line strong{font-size:27px;font-weight:800}.btn-wide{width:100%;min-height:52px;font-size:15px}
.cart-intro{padding:45px 0 39px}.cart-intro h1{font-size:44px}.checkout-layout{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(340px,.85fr);gap:27px;align-items:start}.checkout-header{display:flex;justify-content:space-between;gap:18px;align-items:center;margin-bottom:18px}.checkout-header h2{margin:0;font-size:24px}.text-link{color:#32bbff;font-size:14px;font-weight:650;white-space:nowrap}.checkout-aside{display:grid;gap:18px}.cart-items{display:grid;gap:14px}.cart-item{border:1px solid #2c4358;background:linear-gradient(105deg,#0b1b2a,#091623);border-radius:14px;display:grid;grid-template-columns:170px minmax(0,1fr);gap:16px;padding:13px}.cart-item>img{width:170px;height:170px;border-radius:10px;object-fit:cover;background:#0b1321}.cart-item-info{min-width:0}.cart-item-heading{display:flex;align-items:start;justify-content:space-between;gap:10px}.cart-item-heading h3{margin:4px 0;font-size:20px}.cart-spec{font-size:13px;color:#b2c7d5;margin:7px 0;line-height:1.35}.cart-unit{font-size:13px;color:#d5e5f2;font-weight:650;margin:6px 0 13px}.remove-item{border:0;background:none;color:#8ebbd6;font-size:12px;white-space:nowrap;padding:7px 0}.cart-item-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px}.qty-control.compact{width:156px;height:42px}.qty-control.compact button{width:43px;flex-basis:43px;font-size:23px}.qty-control.compact input{font-size:16px}.cart-line-price{font-size:19px;white-space:nowrap}.order-summary .summary-line,.order-summary .summary-total{display:flex;justify-content:space-between;gap:10px;margin:14px 0;align-items:center}.summary-line span{color:#b2c6d5}.order-summary .summary-total{border-top:1px solid #385169;padding-top:18px;margin-top:19px}.summary-total strong{font-size:24px}.checkout-form-box form{display:grid;gap:13px}.checkout-form-box .field{gap:5px}.checkout-form-box .field textarea{min-height:90px}.checkout-form-box .panel{min-width:0}.empty-cart{border:1px dashed #46617a;background:#0b1b29;border-radius:14px;text-align:center;padding:55px 20px}.empty-cart h3{font-size:25px;margin:0}.empty-cart p{color:#9bb7c9}.thank-you{max-width:750px;text-align:center;padding-top:80px;padding-bottom:80px}.thank-you h1{font-size:40px}.thank-you p{color:#c2d3e0}.thank-you .actions{justify-content:center;margin-top:25px}.thank-mark{display:inline-grid;place-items:center;border:2px solid #26bc8d;color:#26bc8d;width:65px;height:65px;border-radius:50%;font-size:37px}
.measure-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:18px}.measure-grid figure{margin:0;background:#071420;border:1px solid #28425a;border-radius:12px;overflow:hidden}.measure-grid img{width:100%;aspect-ratio:16/10;object-fit:contain;background:#000}.measure-grid figcaption{font-size:14px;color:#a2b9c8;padding:11px}
[hidden]{display:none!important}
@media(max-width:1080px){.header-inner{gap:14px}.navigation{gap:15px}.cart-header{padding:7px 8px}}
@media(max-width:850px){.checkout-layout{grid-template-columns:1fr}.checkout-aside{grid-template-columns:1fr 1fr}.cart-item{grid-template-columns:150px minmax(0,1fr)}.cart-item>img{width:150px;height:160px}}
@media(max-width:720px){.cart-header{margin-left:auto;min-height:38px}.cart-header span{display:none}.header-cta{display:none}.menu-button{margin-left:0}.drawer-image{height:125px}.order-panel{padding:19px 17px 26px}.drawer-title{font-size:23px}.checkout-aside{grid-template-columns:1fr}.cart-item{grid-template-columns:112px minmax(0,1fr);gap:11px;padding:10px}.cart-item>img{width:112px;height:143px}.cart-item-heading h3{font-size:18px}.cart-spec{font-size:11px}.cart-item-bottom{flex-wrap:wrap;gap:6px}.cart-line-price{font-size:17px}.qty-control.compact{width:140px;height:40px}.qty-control.compact button{width:39px;flex-basis:39px}.measure-grid{grid-template-columns:1fr}.cart-intro h1{font-size:34px}.cart-intro{padding:30px 0}}
@media(max-width:390px){.cart-item{grid-template-columns:90px minmax(0,1fr)}.cart-item>img{width:90px;height:127px}.cart-item-heading{display:block}.remove-item{padding:0}.cart-line-price{font-size:15px}.model-pill{font-size:12px}.model-pill strong{font-size:11px}}

/* Official IMPULS brand: original supplied mark, preserved (no generated substitute). */
.brand{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;}
.brand-logo{display:block;width:49px;height:49px;object-fit:contain;flex-shrink:0;}
.brand-name{font-weight:850;line-height:1;letter-spacing:.035em;}
.site-footer .brand-logo{width:42px;height:42px;}
@media(max-width:720px){
 .brand-logo{width:39px;height:39px;}
 .brand{font-size:22px;gap:8px;}
 .header-inner{gap:9px;}
 .site-footer .brand-logo{width:38px;height:38px;}
}
@media(max-width:375px){.brand{font-size:20px}.brand-logo{width:36px;height:36px}}

/* Add-to-cart confirmation: catalog stays in place; checkout only on user action. */
.cart-added-toast{position:fixed;z-index:9999;right:20px;bottom:22px;width:min(410px,calc(100vw - 30px));padding:17px 18px;background:#0b2436;border:1px solid #2688c4;border-radius:14px;box-shadow:0 12px 45px #0009;color:#f3faff;opacity:0;transform:translateY(12px);pointer-events:none;transition:opacity .18s,transform .18s}
.cart-added-toast.visible{opacity:1;transform:translateY(0);pointer-events:auto}
.cart-toast-confirm{display:block;font-size:16px;font-weight:750;margin-bottom:13px}
.cart-toast-actions{display:flex;gap:9px;flex-wrap:wrap}
.cart-toast-actions a,.cart-toast-actions button{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:10px 12px;border-radius:8px;font-size:13px;font-weight:750;text-decoration:none;cursor:pointer}
.cart-toast-dismiss{background:#102e43;color:#fff;border:1px solid #56718a}
.cart-toast-checkout{background:#008cf0;color:white;border:1px solid #008cf0}
@media(max-width:720px){.cart-added-toast{right:10px;left:10px;bottom:12px;width:auto}.cart-toast-actions>*{flex:1}}