:root{--bg:#07090d;--bg2:#0d1118;--card:#121822;--line:#1f2733;--text:#e9eef5;--muted:#93a0b2;--accent:#00d4ff;--accent2:#ff3d7f;--accent3:#ffc400;--radius:14px;--max:1240px}
*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}
body{font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden}
h1,h2,h3,h4{font-family:Sora,sans-serif;line-height:1.15;letter-spacing:-.01em}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.eyebrow{display:inline-block;font-size:.78rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
.section{padding:88px 0}.section-head{max-width:720px;margin-bottom:40px}.section-head h2{font-size:clamp(1.8rem,3.4vw,2.6rem);margin-bottom:14px}.section-head p{color:var(--muted);font-size:1.05rem}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 26px;border-radius:999px;font-weight:600;font-size:.95rem;transition:.25s;border:1px solid transparent;cursor:pointer;font-family:inherit}
.btn-primary{background:var(--accent);color:#001018}.btn-primary:hover{background:#fff;transform:translateY(-2px)}
.btn-ghost{border-color:#ffffff40;color:#fff}.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.topbar{background:#000;border-bottom:1px solid var(--line);font-size:.83rem;color:var(--muted)}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:40px;gap:16px}.topbar a:hover{color:var(--accent)}.topbar .contacts{display:flex;gap:22px}
header{position:sticky;top:0;z-index:50;background:rgba(7,9,13,.85);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.logo{display:flex;align-items:center;gap:10px;font-family:Sora,sans-serif;font-weight:800;font-size:1.35rem}
.logo-mark{width:34px;height:34px;display:grid;grid-template-columns:repeat(3,1fr);gap:3px}.logo-mark i{border-radius:2px;background:var(--accent)}
.logo-mark i:nth-child(2n){background:var(--accent2)}.logo-mark i:nth-child(3n){background:var(--accent3)}.logo span{color:var(--accent);margin-left:-4px}
.menu{display:flex;gap:4px;list-style:none;align-items:center}.menu>li{position:relative}
.menu>li>a{display:block;padding:26px 14px;font-weight:500;font-size:.95rem;color:#cfd7e3}.menu>li>a:hover,.menu>li:hover>a,.menu>li>a.cur{color:var(--accent)}
.has-drop>a::after{content:"▾";font-size:.7rem;margin-left:5px;opacity:.6}
.mega{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(10px);width:640px;background:var(--bg2);border:1px solid var(--line);border-radius:var(--radius);padding:22px;display:grid;grid-template-columns:1fr 1fr;gap:6px;opacity:0;visibility:hidden;transition:.2s;box-shadow:0 30px 60px #0009}
.menu>li:hover .mega{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.mega a{padding:12px 14px;border-radius:10px;display:block}.mega a:hover{background:var(--card)}.mega b{display:block;font-size:.93rem;margin-bottom:2px}.mega small{color:var(--muted);font-size:.8rem;line-height:1.4;display:block}
.nav-cta{display:flex;gap:10px;align-items:center}.burger{display:none;background:none;border:0;color:#fff;cursor:pointer;padding:8px}.burger svg{width:28px;height:28px}
.lang{position:relative}.lang-btn{display:flex;align-items:center;gap:6px;background:none;border:1px solid #ffffff30;color:#cfd7e3;border-radius:999px;padding:9px 14px;font:inherit;font-size:.88rem;cursor:pointer}
.lang-btn:hover{border-color:var(--accent);color:var(--accent)}
.lang-menu{position:absolute;top:100%;right:0;margin-top:8px;background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:6px;min-width:150px;display:none;box-shadow:0 20px 40px #0008;z-index:60}
.lang-menu::before{content:"";position:absolute;left:0;right:0;top:-10px;height:10px}
.lang:hover .lang-menu,.lang:focus-within .lang-menu,.lang.open .lang-menu{display:block}
.lang-menu a{display:block;padding:9px 12px;border-radius:8px;font-size:.92rem}.lang-menu a:hover,.lang-menu a[aria-current]{background:var(--card);color:var(--accent)}
/* page hero */
.phero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);padding:80px 0 70px}
.phero::before{content:"";position:absolute;inset:0;background:radial-gradient(circle,rgba(0,212,255,.22) 1.4px,transparent 1.8px) 0 0/14px 14px;-webkit-mask:linear-gradient(90deg,transparent 30%,#000 100%);mask:linear-gradient(90deg,transparent 30%,#000 100%)}
.phero .wrap{position:relative}.phero h1{font-size:clamp(2.1rem,4.8vw,3.6rem);font-weight:800;margin-bottom:18px;max-width:780px}
.phero h1 em{font-style:normal;background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.phero p.lead{font-size:1.1rem;color:#c3ccd9;max-width:640px;margin-bottom:28px}
.chips{display:flex;gap:12px;flex-wrap:wrap}.chip{background:#ffffff0a;border:1px solid var(--line);border-radius:12px;padding:12px 18px}
.chip b{font-family:Sora,sans-serif;font-size:1.35rem;display:block;color:#fff}.chip small{color:var(--muted);font-size:.82rem}
.crumbs{font-size:.85rem;color:var(--muted);margin-bottom:18px}.crumbs a:hover{color:var(--accent)}.crumbs span{margin:0 8px;opacity:.5}
/* series cards */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.sol{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;position:relative;overflow:hidden;transition:.3s;display:block}
.sol:hover{border-color:var(--accent);transform:translateY(-4px)}
.sol .num{position:absolute;top:18px;right:20px;font-family:Sora,sans-serif;font-weight:800;font-size:2.2rem;color:#ffffff0d}
.sol h3{font-size:1.1rem;margin:14px 0 8px}.sol p{color:var(--muted);font-size:.9rem;margin-bottom:14px}
.sol .sw{width:46px;height:46px;border-radius:12px;position:relative;overflow:hidden}
.sol .sw::after{content:"";position:absolute;inset:0;background:radial-gradient(circle,transparent 42%,rgba(0,0,0,.85) 55%) 0 0/7px 7px}
.link{color:var(--accent);font-weight:600;font-size:.9rem}.link:hover{text-decoration:underline}
/* filters */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:34px;position:sticky;top:76px;z-index:20;background:rgba(13,17,24,.92);backdrop-filter:blur(10px);padding:12px 0}
.filters button{font:inherit;font-size:.88rem;padding:9px 16px;border-radius:999px;border:1px solid var(--line);background:var(--card);color:#cfd7e3;cursor:pointer;transition:.2s}
.filters button:hover{border-color:var(--accent)}.filters button.on{background:var(--accent);border-color:var(--accent);color:#001018;font-weight:600}
.catalog{background:var(--bg2)}.group{margin-bottom:56px;scroll-margin-top:150px}.group[hidden]{display:none}
.group-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:22px;flex-wrap:wrap}
.group-head h3{font-size:1.5rem}.group-head p{color:var(--muted);max-width:640px;font-size:.95rem;margin-top:6px}.group-head .count{color:var(--muted);font-size:.85rem;white-space:nowrap}
/* product cards */
.prod{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:.3s}
.prod:hover{transform:translateY(-4px);border-color:#00d4ff66}
.prod-body{padding:20px;flex:1;display:flex;flex-direction:column}.prod-body h4{font-size:1.02rem;margin-bottom:6px}
.prod-body .model{font-size:.75rem;color:var(--muted);margin-bottom:12px;font-family:ui-monospace,Menlo,monospace}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px;flex:1;align-content:flex-start}
.tags span{font-size:.72rem;padding:4px 10px;border-radius:999px;background:#ffffff0d;color:#b9c4d4;height:fit-content}
/* generated module visual (replaced automatically by a photo if one is uploaded) */
.mv{aspect-ratio:4/3;position:relative;overflow:hidden;background:#000;display:grid;place-items:center}
.mv .tile{position:relative;width:72%;max-height:78%;border-radius:4px;box-shadow:0 18px 40px #000a,0 0 0 1px #ffffff14;overflow:hidden}
.mv .tile::before{content:"";position:absolute;inset:0;background:var(--g)}
.mv .tile::after{content:"";position:absolute;inset:0;background:radial-gradient(circle,transparent 40%,rgba(0,0,0,.9) 56%) 0 0/var(--d) var(--d)}
.mv.bend .tile{transform:perspective(500px) rotateY(-22deg);border-radius:30% 4px 4px 30%/8%}
.mv.bevel .tile{clip-path:polygon(0 0,92% 0,100% 8%,100% 100%,0 100%)}
.mv .badge{position:absolute;left:12px;top:12px;font-size:.7rem;font-weight:700;letter-spacing:.08em;background:#000c;border:1px solid #ffffff22;border-radius:999px;padding:4px 10px;z-index:2}
.mv img.photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:3}
/* detail */
.dhero{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.dhero .mv{border-radius:20px;border:1px solid var(--line)}
.dhero h1{font-size:clamp(1.9rem,3.8vw,2.9rem);margin-bottom:14px}.dhero p.lead{color:#c3ccd9;margin-bottom:24px}
.kv{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:28px}
.kv div{background:#ffffff08;border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.kv small{display:block;color:var(--muted);font-size:.78rem}.kv b{font-family:Sora,sans-serif;font-size:1.12rem}
.btns{display:flex;gap:12px;flex-wrap:wrap}
.two{display:grid;grid-template-columns:1.3fr 1fr;gap:48px;align-items:start}
table{width:100%;border-collapse:collapse;background:var(--card);border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);font-size:.93rem}
th,td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line)}th{font-family:Sora,sans-serif;background:#0f141c}
td:first-child{color:var(--muted);width:44%}tr:last-child td{border-bottom:0}
.guide th:first-child{color:var(--accent)}.guide td:first-child{color:var(--text);font-weight:600;width:auto}
.box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;margin-bottom:20px}
.box h3{font-size:1.15rem;margin-bottom:12px}.box p{color:var(--muted);font-size:.95rem}
.checks{list-style:none;margin:6px 0 0}.checks li{padding:7px 0 7px 30px;position:relative;color:#c9d2df}
.checks li::before{content:"";position:absolute;left:0;top:11px;width:18px;height:18px;border-radius:50%;background:var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M5 12l5 5L20 7' stroke='%23001018' stroke-width='3' fill='none'/%3E%3C/svg%3E") center/12px no-repeat}
/* form */
.contact{background:var(--bg2)}.contact-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:56px}
input,select,textarea{width:100%;background:#0a0e14;border:1px solid var(--line);border-radius:10px;padding:13px 14px;color:var(--text);font:inherit;font-size:.95rem}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent)}
label{display:block;font-size:.85rem;color:var(--muted);margin-bottom:6px}
form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}form textarea{min-height:130px;resize:vertical;margin-bottom:14px}
.consent{display:flex;gap:10px;font-size:.83rem;color:var(--muted);margin-bottom:20px;align-items:flex-start}.consent input{width:auto;margin-top:4px}
.form-msg{margin-top:14px;font-size:.92rem}.hp{position:absolute;left:-9999px}
.info-item{display:flex;gap:16px;margin-bottom:22px}.info-item .ico{flex:0 0 48px;height:48px;border-radius:12px;background:#00d4ff14;display:grid;place-items:center}
.info-item svg{width:22px;height:22px;stroke:var(--accent);fill:none;stroke-width:1.8}.info-item small{color:var(--muted);display:block;font-size:.83rem}
.cta-band{padding:64px 0;background:linear-gradient(110deg,#00d4ff,#7a5cff 55%,#ff3d7f);color:#05070b}
.cta-band .wrap{display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap}.cta-band h2{font-size:clamp(1.5rem,2.8vw,2.1rem);max-width:680px}
.cta-band .btn{background:#05070b;color:#fff}.cta-band .btn:hover{background:#fff;color:#05070b}
footer{padding:72px 0 0;border-top:1px solid var(--line)}.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:50px}
.foot h4{font-size:1rem;margin-bottom:18px}.foot ul{list-style:none}.foot li{margin-bottom:10px}.foot li a{color:var(--muted);font-size:.92rem}.foot li a:hover{color:var(--accent)}
.foot p{color:var(--muted);font-size:.92rem;margin:16px 0}
.copy{border-top:1px solid var(--line);padding:22px 0;font-size:.85rem;color:var(--muted)}.copy .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.wa{position:fixed;right:22px;bottom:22px;width:58px;height:58px;border-radius:50%;background:#25d366;display:grid;place-items:center;z-index:60;box-shadow:0 10px 30px #0008;transition:.2s}
.wa:hover{transform:scale(1.08)}.wa svg{width:30px;height:30px;fill:#fff}
.reveal{opacity:0;transform:translateY(24px);transition:.7s}.reveal.in{opacity:1;transform:none}
@media(max-width:1080px){.grid-4{grid-template-columns:repeat(2,1fr)}.foot{grid-template-columns:1fr 1fr}}
@media(max-width:920px){
 .menu,.nav-cta .btn{display:none}.burger{display:block}
 .menu.open{display:flex;flex-direction:column;align-items:stretch;position:absolute;top:76px;left:0;right:0;background:var(--bg2);border-bottom:1px solid var(--line);padding:10px 20px 24px;max-height:calc(100vh - 76px);overflow:auto}
 .menu.open>li>a{padding:14px 0;border-bottom:1px solid var(--line)}
 .mega{position:static;transform:none!important;width:auto;opacity:1;visibility:visible;display:none;grid-template-columns:1fr;box-shadow:none;border:0;padding:6px 0;background:transparent}
 .menu li.open .mega{display:grid}
 .dhero,.two,.contact-grid{grid-template-columns:1fr}.dhero{gap:32px}.topbar .contacts a:nth-child(2){display:none}
 .filters{top:76px;overflow-x:auto;flex-wrap:nowrap}.filters button{white-space:nowrap}
}
@media(max-width:420px){.logo{font-size:1.08rem;gap:8px}.logo-mark{width:26px;height:26px;gap:2px}.lang-btn{padding:8px 10px}}
@media(max-width:600px){.section{padding:64px 0}.grid-4,.foot,form .row{grid-template-columns:1fr}.kv{grid-template-columns:1fr 1fr}.phero{padding:56px 0 50px}
 .grid-4.cards{grid-template-columns:1fr 1fr;gap:12px}.prod-body{padding:14px}.prod-body h4{font-size:.92rem}.tags span:nth-child(n+3){display:none}}
html[lang=ar] body{font-family:"Noto Kufi Arabic",Inter,system-ui,sans-serif}
html[lang=ar] h1,html[lang=ar] h2,html[lang=ar] h3,html[lang=ar] h4,html[lang=ar] th{font-family:"Noto Kufi Arabic",Sora,sans-serif}
html[lang=ar] *{letter-spacing:0!important}html[lang=ar] h1,html[lang=ar] h2{line-height:1.45}
html[lang=zh] body{font-family:Inter,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif}
html[lang=zh] h1,html[lang=zh] h2,html[lang=zh] h3,html[lang=zh] h4,html[lang=zh] th{font-family:Sora,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif}
[dir=rtl] .logo,[dir=rtl] .model,[dir=rtl] .ltr{direction:ltr;unicode-bidi:isolate}[dir=rtl] a[href^="tel:"]{direction:ltr;unicode-bidi:isolate}
[dir=rtl] .sol .num{right:auto;left:20px}[dir=rtl] .checks li{padding:7px 30px 7px 0}[dir=rtl] .checks li::before{left:auto;right:0}
[dir=rtl] th,[dir=rtl] td{text-align:right}[dir=rtl] .has-drop>a::after{margin-left:0;margin-right:5px}[dir=rtl] .lang-menu{right:auto;left:0}
[dir=rtl] .hp{left:auto;right:-9999px}[dir=rtl] .phero::before{-webkit-mask:linear-gradient(270deg,transparent 30%,#000 100%);mask:linear-gradient(270deg,transparent 30%,#000 100%)}
[dir=rtl] .mv .badge{left:auto;right:12px}[dir=rtl] .wa{right:auto;left:22px}
/* menu spacing fix */
.logo,.menu>li>a{white-space:nowrap}@media(max-width:1280px){.menu{gap:2px}.menu>li>a{padding:26px 9px;font-size:.9rem}}@media(max-width:1060px){.menu,.nav-cta .btn{display:none}.burger{display:block}.menu.open{display:flex;flex-direction:column;align-items:stretch;position:absolute;top:76px;left:0;right:0;background:var(--bg2);border-bottom:1px solid var(--line);padding:10px 20px 24px;max-height:calc(100vh - 76px);overflow:auto}.menu.open>li>a{padding:14px 0;border-bottom:1px solid var(--line)}.mega{position:static;transform:none!important;width:auto;opacity:1;visibility:visible;display:none;grid-template-columns:1fr;box-shadow:none;border:0;padding:6px 0;background:transparent}.menu li.open .mega{display:grid}}