/* LSENG - Walkie-Talkie Headset Manufacturer - main.css */
:root{
  --bg-dark:#0b1220;
  --bg-dark2:#101a2e;
  --primary:#1a365d;
  --primary-light:#2c5282;
  --accent:#f0620f;
  --accent-hover:#d0560c;
  --violet:#8b5cf6;
  --violet-dim:rgba(139,92,246,.16);
  --success:#38a169;
  --bg:#ffffff;
  --bg-soft:#f5f7fa;
  --text:#253244;
  --text-2:#5b6b80;
  --text-inv:#ffffff;
  --border:#e3e8ef;
  --shadow-sm:0 1px 3px rgba(2,10,26,.10);
  --shadow-md:0 6px 18px rgba(2,10,26,.12);
  --shadow-lg:0 18px 40px rgba(2,10,26,.18);
  --r-sm:6px;--r-md:10px;--r-lg:16px;
  --font:'Inter','Segoe UI','Noto Sans','Noto Sans Arabic','Helvetica Neue',Arial,sans-serif;
  --maxw:1200px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.65;font-size:16px}
img{max-width:100%;display:block}
a{color:var(--primary-light);text-decoration:none}
a:hover{color:var(--accent)}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
[dir="rtl"] body{letter-spacing:0}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(11,18,32,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.06)}
.header-inner{display:flex;align-items:center;gap:26px;height:66px}
.brand{display:flex;align-items:center;gap:10px;color:#fff}
.brand-logo{width:40px;height:40px;border-radius:9px;background:linear-gradient(135deg,var(--violet),#4f46e5);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;letter-spacing:.5px}
.brand-name{font-size:21px;font-weight:800;letter-spacing:2px}
.brand-sub{font-size:10px;color:#9aa7bd;letter-spacing:1px;margin-top:-3px}
.nav{margin-inline-start:auto;display:flex;align-items:center;gap:4px}
.nav a{color:#d7dfeb;font-size:14.5px;font-weight:500;padding:9px 13px;border-radius:8px}
.nav a:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav a.active{color:#fff;background:var(--violet-dim)}
.lang-switch{position:relative}
.lang-btn{display:flex;align-items:center;gap:6px;color:#d7dfeb;font-size:13.5px;font-weight:600;padding:8px 12px;border:1px solid rgba(255,255,255,.14);border-radius:8px;cursor:pointer;background:transparent}
.lang-btn:hover{color:#fff;border-color:rgba(255,255,255,.3)}
.lang-menu{display:none;position:absolute;top:calc(100% + 8px);inset-inline-end:0;background:#fff;border-radius:10px;box-shadow:var(--shadow-lg);min-width:150px;padding:6px;border:1px solid var(--border)}
.lang-switch.open .lang-menu{display:block}
.lang-menu a{display:block;color:var(--text);font-size:14px;padding:8px 12px;border-radius:7px}
.lang-menu a:hover{background:var(--bg-soft);color:var(--text)}
.lang-menu a.cur{font-weight:700;color:var(--accent)}
.btn-quote{background:var(--accent);color:#fff !important;font-weight:700;padding:9px 18px;border-radius:8px;font-size:14px;white-space:nowrap}
.btn-quote:hover{background:var(--accent-hover)}
.hamburger{display:none;background:none;border:none;color:#fff;font-size:24px;cursor:pointer;padding:6px}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--bg-dark);color:#fff;overflow:hidden}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media img{width:100%;height:100%;object-fit:cover;opacity:.42}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,18,32,.55) 0%,rgba(11,18,32,.82) 60%,var(--bg-dark) 100%)}
.hero-inner{position:relative;z-index:1;padding:96px 0 84px;max-width:820px}
.hero-kicker{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:#c4b5fd;background:var(--violet-dim);border:1px solid rgba(139,92,246,.4);padding:7px 14px;border-radius:999px;margin-bottom:20px}
.hero h1{font-size:clamp(30px,4.6vw,50px);font-weight:800;line-height:1.16;letter-spacing:-.5px;margin-bottom:18px}
.hero h1 .hl{color:#c4b5fd}
.hero p{font-size:clamp(15px,1.8vw,18.5px);color:#c3cede;max-width:640px;margin-bottom:30px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;color:#9fe8c0;font-size:13px;font-weight:600;margin-bottom:26px}
.hero-badge::before{content:"✓";display:inline-flex;width:20px;height:20px;border-radius:50%;background:rgba(56,161,105,.25);align-items:center;justify-content:center;font-size:12px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;border-radius:10px;padding:14px 26px;font-size:15.5px;transition:.18s;cursor:pointer;border:none}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-hover);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(240,98,15,.35)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.22)}
.btn-ghost:hover{background:rgba(255,255,255,.15);color:#fff}
.btn-outline{background:transparent;color:var(--primary);border:1.5px solid var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff}
.btn-wa{background:#25d366;color:#fff}
.btn-wa:hover{background:#1eb85a;color:#fff}

/* page hero (inner pages) */
.page-hero{position:relative;background:var(--bg-dark);color:#fff;padding:64px 0 58px;overflow:hidden}
.page-hero .hero-media img{opacity:.3}
.page-hero-inner{position:relative;z-index:1}
.crumbs{font-size:13px;color:#8b98ad;margin-bottom:14px}
.crumbs a{color:#aeb9ca}
.crumbs a:hover{color:#fff}
.page-hero h1{font-size:clamp(26px,3.6vw,40px);font-weight:800;margin-bottom:12px;letter-spacing:-.4px}
.page-hero p{color:#b9c4d6;font-size:16.5px;max-width:700px}

/* ---------- Stats ---------- */
.stats{background:var(--bg-dark);padding:0 0 64px;margin-top:-1px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat{background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:22px 18px;text-align:center}
.stat b{display:block;font-size:clamp(20px,2.6vw,30px);font-weight:800;color:#fff;letter-spacing:-.5px}
.stat span{font-size:13px;color:#9aa7bd;margin-top:4px;display:block}

/* ---------- Sections ---------- */
.section{padding:76px 0}
.section.soft{background:var(--bg-soft)}
.section.dark{background:var(--bg-dark);color:#fff}
.section.dark h2{color:#fff}
.sec-head{max-width:760px;margin-bottom:42px}
.sec-head.center{margin-inline:auto;text-align:center}
.kicker{font-size:12.5px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--accent);margin-bottom:10px}
.section.dark .kicker{color:#c4b5fd}
h2.sec-title{font-size:clamp(24px,3.2vw,34px);font-weight:800;letter-spacing:-.4px;line-height:1.22;margin-bottom:12px}
.sec-sub{font-size:16.5px;color:var(--text-2)}
.section.dark .sec-sub{color:#aeb9ca}

/* ---------- Cards: series grid ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:34px}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:.22s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:#d5dbe6}
.card-img{position:relative;background:var(--bg-dark);aspect-ratio:4/3;overflow:hidden}
.card-img img{width:100%;height:100%;object-fit:cover;transition:.4s}
.card:hover .card-img img{transform:scale(1.06)}
.card-tag{position:absolute;top:12px;inset-inline-start:12px;background:var(--violet);color:#fff;font-size:11.5px;font-weight:700;letter-spacing:.6px;padding:4px 11px;border-radius:999px;text-transform:uppercase}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:19px;font-weight:700;letter-spacing:-.2px}
.card-body p{font-size:14.3px;color:var(--text-2);flex:1}
.card-meta{font-size:12.5px;color:#8794a8;font-weight:600}
.card-link{font-size:14.5px;font-weight:700;color:var(--accent)}
.card-link:hover{color:var(--accent-hover)}

/* ---------- Home factory band ---------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center}
.split .img-wrap{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-lg);position:relative}
.split .img-wrap img{width:100%;height:100%;object-fit:cover}
.split h2{margin-bottom:14px}
.split p{color:var(--text-2);margin-bottom:14px}
.section.dark .split p{color:#b9c4d6}
.check-list{list-style:none;margin:18px 0 26px;display:grid;gap:11px}
.check-list li{display:flex;gap:11px;align-items:flex-start;font-size:15.3px}
.check-list li::before{content:"✓";flex:0 0 22px;height:22px;border-radius:50%;background:rgba(139,92,246,.14);color:var(--violet);font-weight:800;font-size:12.5px;display:flex;align-items:center;justify-content:center;margin-top:2px}
.section.dark .check-list li::before{background:rgba(139,92,246,.25);color:#c4b5fd}

/* ---------- Cert strip ---------- */
.cert-strip{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.cert-chip{display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);color:#e6ebf3;border-radius:12px;padding:13px 22px;font-weight:700;font-size:15px;letter-spacing:.5px}
.cert-chip .dot{width:9px;height:9px;border-radius:50%;background:var(--success)}

/* ---------- Brands ---------- */
.brand-strip{display:flex;flex-wrap:wrap;gap:12px}
.brand-chip{background:#fff;border:1px solid var(--border);border-radius:10px;padding:10px 20px;font-weight:700;font-size:15px;color:#3c4a5f;box-shadow:var(--shadow-sm)}

/* ---------- Product cards / model table ---------- */
.model-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:34px}
.model-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:20px 22px;box-shadow:var(--shadow-sm)}
.model-card h4{font-family:ui-monospace,'Cascadia Mono',Consolas,monospace;font-size:15.5px;font-weight:700;color:var(--primary);letter-spacing:.2px;margin-bottom:10px}
.feat-list{list-style:none;display:grid;gap:7px}
.feat-list li{font-size:13.8px;color:var(--text-2);display:flex;gap:9px}
.feat-list li::before{content:"›";color:var(--accent);font-weight:800}
.spec-table{width:100%;border-collapse:collapse;margin-top:14px;font-size:13.6px}
.spec-table th,.spec-table td{text-align:start;padding:8px 10px;border-bottom:1px solid var(--border)}
.spec-table th{color:var(--text-2);font-weight:600;white-space:nowrap;width:42%}
.spec-table td{font-weight:600;color:var(--text)}
.model-ctas{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.btn-sm{padding:9px 16px;font-size:13.5px;border-radius:8px}

/* product gallery */
.prod-gallery{display:grid;grid-template-columns:2fr 1fr;gap:16px}
.prod-gallery .main{border-radius:14px;overflow:hidden;background:var(--bg-dark)}
.prod-gallery .main img{width:100%;height:100%;object-fit:contain;max-height:520px}
.prod-thumbs{display:grid;gap:12px;align-content:start}
.prod-thumbs img{border-radius:10px;cursor:pointer;background:var(--bg-dark);border:2px solid transparent;transition:.15s}
.prod-thumbs img:hover,.prod-thumbs img.on{border-color:var(--accent)}

/* filter bar */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:30px}
.filter-chip{border:1.5px solid var(--border);background:#fff;padding:8px 16px;border-radius:999px;font-size:13.5px;font-weight:600;color:var(--text-2);cursor:pointer;transition:.15s}
.filter-chip:hover{border-color:var(--primary-light);color:var(--primary)}
.filter-chip.on{background:var(--primary);border-color:var(--primary);color:#fff}

/* ---------- OEM / process ---------- */
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:step}
.step{background:#fff;border:1px solid var(--border);border-radius:14px;padding:24px;position:relative;box-shadow:var(--shadow-sm)}
.step::before{counter-increment:step;content:counter(step,decimal-leading-zero);font-size:38px;font-weight:800;color:var(--violet-dim);color:rgba(139,92,246,.28);position:absolute;top:10px;inset-inline-end:16px;line-height:1}
.section.dark .step{background:rgba(255,255,255,.045);border-color:rgba(255,255,255,.09)}
.step h4{font-size:16.5px;font-weight:700;margin-bottom:8px;padding-inline-end:44px}
.step p{font-size:14px;color:var(--text-2)}
.section.dark .step p{color:#aeb9ca}
.section.dark .step h4{color:#fff}

/* ---------- Factory gallery ---------- */
.fac-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.fac-item{border-radius:14px;overflow:hidden;position:relative;background:var(--bg-dark);box-shadow:var(--shadow-sm)}
.fac-item img{width:100%;height:230px;object-fit:cover;transition:.35s}
.fac-item:hover img{transform:scale(1.05)}
.fac-item .cap{position:absolute;inset-inline:0;bottom:0;background:linear-gradient(0deg,rgba(6,12,22,.92),transparent);color:#fff;padding:36px 16px 13px;font-size:14px;font-weight:600}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:40px;align-items:start}
.info-card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:28px;box-shadow:var(--shadow-sm);display:grid;gap:20px}
.info-row{display:flex;gap:14px;align-items:flex-start}
.info-ico{flex:0 0 42px;height:42px;border-radius:11px;background:var(--violet-dim);display:flex;align-items:center;justify-content:center;font-size:19px}
.info-row b{display:block;font-size:14px;color:var(--text-2);font-weight:600;margin-bottom:2px}
.info-row span,.info-row a{font-size:15px;font-weight:600;color:var(--text);word-break:break-word}
.info-row a:hover{color:var(--accent)}
.form-card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:30px;box-shadow:var(--shadow-sm)}
.form-card h3{font-size:20px;font-weight:800;margin-bottom:6px}
.form-card .form-sub{font-size:14px;color:var(--text-2);margin-bottom:22px}
.f-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.f-field{display:grid;gap:6px}
.f-field.full{grid-column:1/-1}
.f-field label{font-size:13px;font-weight:700;color:var(--text)}
.f-field input,.f-field textarea,.f-field select{border:1.5px solid var(--border);border-radius:9px;padding:11px 13px;font-size:14.5px;font-family:var(--font);background:#fff;color:var(--text)}
.f-field input:focus,.f-field textarea:focus{outline:none;border-color:var(--violet)}
.f-field textarea{min-height:110px;resize:vertical}
.form-note{font-size:12.5px;color:#8794a8;margin-top:12px}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(120deg,#141c30,#0b1220 60%);color:#fff;padding:66px 0;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset-inline-end:-120px;top:-120px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(139,92,246,.25),transparent 70%)}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(22px,3vw,32px);font-weight:800}
.cta-inner p{color:#aeb9ca;margin-top:8px}

/* ---------- Footer ---------- */
.site-footer{background:#080d17;color:#9aa7bd;padding:58px 0 0;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
.foot-grid h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.foot-grid ul{list-style:none;display:grid;gap:9px}
.foot-grid a{color:#9aa7bd}
.foot-grid a:hover{color:#fff}
.foot-brand{display:flex;align-items:center;gap:10px;color:#fff;margin-bottom:14px}
.foot-slogan{font-size:13.5px;line-height:1.7;max-width:300px}
.foot-contact li{display:flex;gap:9px;align-items:flex-start}
.foot-bottom{border-top:1px solid rgba(255,255,255,.07);padding:20px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px}
[dir="rtl"] .foot-bottom{justify-content:space-between}

/* ---------- Floating widgets ---------- */
.wa-float{position:fixed;inset-inline-end:22px;bottom:22px;z-index:90;display:flex;align-items:center;gap:9px;background:#25d366;color:#fff;font-weight:700;font-size:14px;padding:12px 19px;border-radius:999px;box-shadow:0 10px 26px rgba(37,211,102,.4);transition:.2s}
.wa-float:hover{transform:translateY(-3px);color:#fff}
.wa-float svg{width:21px;height:21px;fill:#fff}
.to-top{position:fixed;inset-inline-end:26px;bottom:84px;z-index:89;width:42px;height:42px;border-radius:50%;background:var(--primary);color:#fff;border:none;font-size:18px;cursor:pointer;opacity:0;pointer-events:none;transition:.2s;box-shadow:var(--shadow-md)}
.to-top.show{opacity:1;pointer-events:auto}
.to-top:hover{background:var(--primary-light)}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .grid-3,.grid-4,.step-grid,.fac-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .model-grid{grid-template-columns:1fr}
  .prod-gallery{grid-template-columns:1fr}
  .prod-thumbs{grid-template-columns:repeat(4,1fr)}
}
@media (max-width:768px){
  .nav{position:fixed;top:66px;inset-inline:0;bottom:0;background:var(--bg-dark);flex-direction:column;align-items:flex-start;padding:20px;gap:6px;transform:translateX(110%);transition:.25s;overflow-y:auto}
  [dir="rtl"] .nav{transform:translateX(-110%)}
  .nav.open{transform:translateX(0)}
  .nav a{font-size:16px;padding:12px 16px;width:100%}
  .hamburger{display:block;margin-inline-start:auto}
  .lang-switch{margin-inline-start:0}
  .header-inner{gap:12px}
  .btn-quote{display:none}
  .nav .btn-quote{display:block;width:100%;text-align:center;margin-top:10px}
  .grid-3,.grid-4,.step-grid,.fac-grid{grid-template-columns:1fr}
  .hero-inner{padding:70px 0 60px}
  .foot-grid{grid-template-columns:1fr 1fr}
  .f-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .stats-grid{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr}
  .prod-thumbs{grid-template-columns:repeat(3,1fr)}
}

/* RTL fine-tuning */
[dir="rtl"] .hero h1,[dir="rtl"] h2.sec-title{letter-spacing:0}
[dir="rtl"] .crumbs{direction:rtl}
.num-ltr{direction:ltr;unicode-bidi:embed}