:root{
  --bg:#FFFFFF; --bg-soft:#F4F7FB; --bg-soft2:#E9EFF7;
  --ink:#0B1A2E; --ink-2:#13294B; --muted:#56697F; --muted-2:#8A98AD;
  --blue:#1457C9; --blue-d:#0B3D91; --blue-l:#E8F0FE; --blue-l2:#DCE8FB;
  --cyan:#0AA3C0;
  --bezel:#161B22; --bezel-2:#0C0F14;
  --pcb:#0C3D2A; --pcb-2:#0A2E20; --gold:#C9A227;
  --green:#15A34A; --amber:#D97706; --red:#DC2626;
  --border:#E2E8F1; --border-2:#EDF1F7;
  --radius:14px; --radius-sm:10px;
  --shadow-sm:0 1px 2px rgba(11,26,46,.05),0 1px 3px rgba(11,26,46,.06);
  --shadow:0 6px 22px rgba(11,26,46,.07),0 2px 6px rgba(11,26,46,.04);
  --shadow-lg:0 26px 60px rgba(11,26,46,.13),0 10px 24px rgba(11,26,46,.06);
  --maxw:1180px; --ease:cubic-bezier(.4,0,.2,1);
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased;overflow-x:hidden;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
section{scroll-margin-top:80px;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;}

/* ═══ Buttons ═══ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:15px;padding:13px 26px;border-radius:8px;border:1.5px solid transparent;cursor:pointer;transition:all .2s var(--ease);font-family:inherit;white-space:nowrap;}
.btn svg{width:18px;height:18px;}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 20px rgba(20,87,201,.25);}
.btn-primary:hover{background:var(--blue-d);transform:translateY(-2px);box-shadow:0 12px 28px rgba(20,87,201,.35);}
.btn-outline{background:#fff;color:var(--blue);border-color:var(--blue-l2);}
.btn-outline:hover{border-color:var(--blue);background:var(--blue-l);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:#000;transform:translateY(-2px);}
.btn-lg{padding:15px 30px;font-size:16px;}
.btn-block{width:100%;}

/* ═══ Type ═══ */
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--blue);margin-bottom:16px;}
.eyebrow::before{content:"";width:26px;height:3px;background:var(--blue);border-radius:2px;}
h1,h2,h3{color:var(--ink);letter-spacing:-.02em;line-height:1.12;}
.h1{font-size:clamp(32px,4.4vw,52px);font-weight:900;letter-spacing:-.03em;}
.h2{font-size:clamp(26px,3.4vw,40px);font-weight:800;}
.lead{font-size:18px;color:var(--muted);max-width:640px;line-height:1.65;}
.center{text-align:center;}
.center .lead{margin-left:auto;margin-right:auto;}
.sec-head{margin-bottom:44px;}
.hl{color:var(--blue);}

/* ═══ Header ═══ */
.site-header{position:sticky;top:0;z-index:90;background:rgba(255,255,255,.9);backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid transparent;transition:all .3s;}
.site-header.scrolled{border-bottom-color:var(--border);box-shadow:0 2px 12px rgba(11,26,46,.05);}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:-.02em;color:var(--ink);}
.brand-mark{width:36px;height:36px;border-radius:9px;background:linear-gradient(135deg,var(--blue),var(--blue-d));display:flex;align-items:center;justify-content:center;font-size:12px;color:#fff;font-weight:900;box-shadow:0 6px 16px rgba(20,87,201,.3);}
.brand .ac{color:var(--blue);}
.nav-links{display:flex;align-items:center;gap:2px;}
.nav-links a{padding:9px 13px;font-size:14.5px;font-weight:500;color:var(--ink);border-radius:8px;transition:all .2s;}
.nav-links a:hover{color:var(--blue);background:var(--blue-l);}
.nav-cta{display:flex;align-items:center;gap:10px;}
.nav-quote{padding:10px 20px;font-size:14px;}
.menu-btn{display:none;background:none;border:1px solid var(--border);width:42px;height:42px;border-radius:10px;cursor:pointer;color:var(--ink);}
.menu-btn svg{width:22px;height:22px;}

/* ═══ Mobile menu ═══ */
.mobile-menu{position:fixed;inset:0;z-index:95;background:rgba(11,26,46,.5);backdrop-filter:blur(4px);opacity:0;visibility:hidden;transition:all .3s;}
.mobile-menu.open{opacity:1;visibility:visible;}
.mobile-panel{position:absolute;top:0;right:0;bottom:0;width:min(330px,84vw);background:#fff;padding:80px 24px 30px;transform:translateX(100%);transition:transform .35s var(--ease);display:flex;flex-direction:column;gap:4px;overflow-y:auto;}
.mobile-menu.open .mobile-panel{transform:translateX(0);}
.mobile-panel a{padding:13px 12px;font-size:16px;font-weight:500;border-radius:10px;border-bottom:1px solid var(--border-2);color:var(--ink);}
.mobile-panel a:hover{color:var(--blue);background:var(--blue-l);}
.mobile-panel .btn{margin-top:14px;}
.mobile-close{position:absolute;top:18px;right:18px;background:none;border:none;font-size:28px;color:var(--muted);cursor:pointer;line-height:1;}

/* ═══ HERO ═══ */
.hero{padding:48px 0 78px;background:linear-gradient(180deg,#F7FAFD 0%,#fff 100%);position:relative;overflow:hidden;border-bottom:1px solid var(--border);}
.hero::before{content:"";position:absolute;top:-160px;right:-120px;width:560px;height:560px;background:radial-gradient(circle,rgba(20,87,201,.10),transparent 62%);pointer-events:none;}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.hero h1 .hl{color:var(--blue);}
.hero .lead{margin-top:20px;}
.hero-cta{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap;}
.hero-trust{display:flex;flex-wrap:wrap;gap:18px 26px;margin-top:30px;}
.hero-trust .t{display:flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;color:var(--ink-2);}
.hero-trust .t svg{width:18px;height:18px;color:var(--blue);flex-shrink:0;}
.hero-trust .t .ck{color:var(--green);}

/* ═══ Product mockups (the key fix: real-looking hardware) ═══ */
.dev{position:relative;}
.dev .bezel{background:linear-gradient(150deg,#22272F,#0C0F14);border-radius:10px;padding:9px;box-shadow:0 22px 50px rgba(11,26,46,.28),inset 0 0 0 1px rgba(255,255,255,.05);}
.dev .glass{border-radius:3px;position:relative;overflow:hidden;aspect-ratio:16/10;}
.dev .glass .content{position:absolute;inset:0;}
.dev .glass::after{content:"";position:absolute;inset:0;background:linear-gradient(150deg,rgba(255,255,255,.20),transparent 42%);pointer-events:none;}
/* HMI-style screen content */
.hmi{position:absolute;inset:0;padding:8px;display:flex;flex-direction:column;gap:6px;z-index:2;}
.hmi .topbar{height:6px;border-radius:2px;background:rgba(255,255,255,.3);width:55%;}
.hmi .row{display:flex;gap:6px;flex:1;}
.hmi .card{flex:1;background:rgba(255,255,255,.12);border-radius:3px;padding:5px;display:flex;flex-direction:column;gap:4px;}
.hmi .card .ln{height:3px;border-radius:1px;background:rgba(255,255,255,.4);}
.hmi .card .ln.s{width:60%;}
.hmi .card .ln.m{width:80%;}
.hmi .card .bar{height:5px;border-radius:2px;background:rgba(255,255,255,.55);margin-top:auto;}
/* screen color variants */
.scr-blue{background:linear-gradient(135deg,#0B3D91,#0AA3C0);}
.scr-cyan{background:linear-gradient(135deg,#0E7490,#22D3EE);}
.scr-violet{background:linear-gradient(135deg,#312E81,#6366F1);}
.scr-teal{background:linear-gradient(135deg,#0F766E,#14B8A6);}
.scr-indigo{background:linear-gradient(135deg,#1E3A8A,#2563EB);}
.scr-emerald{background:linear-gradient(135deg,#065F46,#10B981);}
/* round OLED */
.dev.round .bezel,.dev.round .glass{border-radius:50%;}
.dev.round .glass{aspect-ratio:1/1;}
/* terminal stand */
.terminal{display:flex;flex-direction:column;align-items:center;}
.terminal .stand{width:34%;height:16px;background:linear-gradient(150deg,#22272F,#0C0F14);border-radius:0 0 5px 5px;}
.terminal .base{width:62%;height:6px;background:#161B22;border-radius:3px;margin-top:0;box-shadow:0 4px 10px rgba(11,26,46,.2);}
/* PCB driver board */
.pcb{background:linear-gradient(135deg,var(--pcb),var(--pcb-2));border-radius:6px;position:relative;aspect-ratio:16/10;overflow:hidden;box-shadow:0 16px 36px rgba(8,40,28,.3),inset 0 0 0 1px rgba(255,255,255,.04);padding:0;}
.pcb .pads{position:absolute;inset:0;background-image:radial-gradient(circle,rgba(201,162,39,.55) 1.4px,transparent 2px);background-size:26px 26px;opacity:.45;}
.pcb .ic{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:36%;aspect-ratio:5/4;background:#0A0D12;border-radius:3px;box-shadow:0 0 0 2px #1a1a1a,0 4px 10px rgba(0,0,0,.4);display:flex;align-items:center;justify-content:center;}
.pcb .ic span{color:#3a3a3a;font-size:9px;font-weight:800;letter-spacing:.05em;font-family:ui-monospace,monospace;}
.pcb .ic::before{content:"";position:absolute;inset:3px;border:1px solid #2a2a2a;border-radius:2px;}
.pcb .trace{position:absolute;background:rgba(201,162,39,.35);height:1.5px;border-radius:1px;}
.pcb .smd{position:absolute;width:7px;height:4px;background:#1a1a1a;border-radius:1px;box-shadow:0 0 0 1px rgba(255,255,255,.04);}
.pcb .label{position:absolute;bottom:8px;left:10px;color:rgba(201,162,39,.7);font-size:8px;font-weight:700;font-family:ui-monospace,monospace;letter-spacing:.08em;}

/* hero visual composition */
.hero-visual{position:relative;display:flex;justify-content:center;align-items:center;}
.hero-visual .hv-main{width:78%;max-width:430px;position:relative;z-index:2;}
.hero-visual .hv-float{position:absolute;z-index:3;box-shadow:0 16px 40px rgba(11,26,46,.25);}
.hero-visual .hv-float.f1{width:120px;right:-6px;top:18px;}
.hero-visual .hv-float.f2{width:104px;left:-10px;bottom:24px;}
.hero-visual .hv-chip{position:absolute;z-index:4;background:#fff;border:1px solid var(--border);border-radius:10px;padding:8px 12px;box-shadow:var(--shadow);font-size:12px;font-weight:700;color:var(--ink);display:flex;align-items:center;gap:6px;}
.hero-visual .hv-chip .d{width:8px;height:8px;border-radius:50%;background:var(--green);}
.hero-visual .hv-chip.c1{top:-14px;left:6px;}
.hero-visual .hv-chip.c2{bottom:-16px;right:8px;}

/* ═══ Hero carousel ═══ */
.hero-slider{position:relative;}
.hero-slide{display:none;}
.hero-slide.active{display:block;animation:heroFade .7s var(--ease);}
@keyframes heroFade{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:none;}}
.hero-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:20;width:46px;height:46px;border-radius:50%;background:rgba(255,255,255,.92);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--shadow);transition:all .2s var(--ease);color:var(--ink);}
.hero-arrow:hover{background:var(--blue);color:#fff;border-color:var(--blue);transform:translateY(-50%) scale(1.06);}
.hero-arrow.prev{left:18px;}
.hero-arrow.next{right:18px;}
.hero-arrow svg{width:22px;height:22px;}
.hero-dots{position:absolute;left:50%;transform:translateX(-50%);bottom:26px;display:flex;gap:9px;z-index:20;}
.hero-dot{width:9px;height:9px;border-radius:50%;background:rgba(11,26,46,.22);border:none;cursor:pointer;transition:all .3s var(--ease);padding:0;}
.hero-dot:hover{background:rgba(20,87,201,.5);}
.hero-dot.active{background:var(--blue);width:30px;border-radius:5px;}
@media(max-width:560px){.hero-arrow{display:none;}.hero-dots{bottom:14px;}}

/* ═══ Trust strip ═══ */
.trust{background:var(--ink);color:#fff;padding:30px 0;}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.trust-item{display:flex;align-items:center;gap:14px;}
.trust-item .n{font-size:30px;font-weight:900;letter-spacing:-.03em;line-height:1;}
.trust-item .n span{color:var(--cyan);}
.trust-item .l{font-size:13px;color:rgba(255,255,255,.65);margin-top:4px;line-height:1.4;}

/* ═══ Size range showcase ═══ */
.range{padding:72px 0;background:var(--bg-soft);border-bottom:1px solid var(--border);}
.range-line{display:flex;align-items:flex-end;justify-content:center;gap:18px;flex-wrap:wrap;margin-top:30px;}
.range-item{display:flex;flex-direction:column;align-items:center;gap:10px;}
.range-item .dev{width:100%;}
.range-item .sz{font-size:13px;font-weight:700;color:var(--ink);}
.range-item .sz span{display:block;font-size:11px;color:var(--muted);font-weight:500;}
.r1{width:34px;}
.r2{width:54px;}
.r3{width:84px;}
.r4{width:120px;}
.r5{width:170px;}
.r6{width:220px;}
.range-note{text-align:center;margin-top:30px;font-size:14px;color:var(--muted);}
.range-note b{color:var(--blue);}

/* ═══ Products ═══ */
.products{padding:84px 0;background:var(--bg);}
.prod-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.prod-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:all .3s var(--ease);display:flex;flex-direction:column;}
.prod-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:transparent;}
.prod-media{width:550px;height:300px;max-width:100%;display:flex;align-items:center;justify-content:center;position:relative;background:linear-gradient(160deg,#F4F7FB,#E9EFF7);overflow:hidden;}
.prod-media img{width:550px !important;height:300px !important;object-fit:cover;display:block;}

/* Product Card Hover Dropdown */
.prod-card{position:relative;}
.prod-sub-list{position:absolute;top:100%;left:0;right:0;background:#fff;border:1px solid var(--border);border-top:none;border-radius:0 0 var(--radius) var(--radius);max-height:0;overflow:hidden;transition:all .3s var(--ease);z-index:50;box-shadow:var(--shadow-lg);}
.prod-card:hover .prod-sub-list{max-height:500px;border-top:1px solid var(--border);}
.prod-sub-items{padding:16px 20px;}
.prod-sub-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;transition:all .2s var(--ease);cursor:pointer;}
.prod-sub-item:hover{background:var(--blue-l);}
.prod-sub-item .dot{width:8px;height:8px;border-radius:50%;background:var(--blue);flex-shrink:0;}
.prod-sub-item span{font-size:14px;font-weight:600;color:var(--ink-2);}
.prod-media .pm{width:62%;max-width:230px;position:relative;}
.prod-media .pm.wide{width:74%;max-width:280px;}
.prod-media .badge{position:absolute;top:14px;left:14px;background:var(--ink);color:#fff;font-size:11px;font-weight:700;padding:5px 11px;border-radius:6px;letter-spacing:.02em;}
.badge-hot{position:absolute;top:14px;right:14px;z-index:10;background:linear-gradient(135deg,#F59E0B,#DC2626);color:#fff;font-size:11px;font-weight:800;padding:5px 11px;border-radius:6px;letter-spacing:.02em;box-shadow:0 4px 10px rgba(220,38,38,.3);display:inline-flex;align-items:center;gap:5px;}
.badge-hot::before{content:"";width:6px;height:6px;border-radius:50%;background:#fff;}

/* ═══ Category cards & hot products ═══ */
.grid-title{text-align:center;font-size:18px;font-weight:800;color:var(--ink);margin:0 0 22px;}
.grid-title::after{content:"";display:block;width:36px;height:3px;background:var(--blue);border-radius:2px;margin:10px auto 0;}
.cat-cards{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-bottom:60px;}
.cat-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:28px 16px 24px;text-align:center;transition:all .3s var(--ease);display:flex;flex-direction:column;align-items:center;gap:13px;text-decoration:none;color:inherit;}
.cat-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:transparent;}
.cat-card .ic{width:62px;height:62px;border-radius:15px;display:flex;align-items:center;justify-content:center;}
.cat-card .ic svg{width:30px;height:30px;color:#fff;}
.cat-card h4{font-size:16px;font-weight:800;color:var(--ink);margin:0;}
.cat-card .sub{font-size:12.5px;color:var(--muted);line-height:1.5;}
.cat-card .arr{margin-top:2px;font-size:13px;font-weight:700;color:var(--blue);display:inline-flex;align-items:center;gap:4px;}
.cat-card .arr svg{width:14px;height:14px;}
.hot-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.hot-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:all .3s var(--ease);display:flex;flex-direction:column;text-decoration:none;color:inherit;}
.hot-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:transparent;}
.hot-card .hm{width:100%;aspect-ratio:4/3;background:linear-gradient(160deg,#F4F7FB,#E9EFF7);overflow:hidden;position:relative;}
.hot-card .hm img{width:100%;height:100%;object-fit:cover;display:block;}
.hot-card .hb{padding:16px 18px;text-align:center;}
.hot-card .hb .tag{font-size:11px;font-weight:700;color:var(--blue);text-transform:uppercase;letter-spacing:.05em;}
.hot-card .hb h4{font-size:15.5px;font-weight:800;color:var(--ink);margin:5px 0 0;}
@media(max-width:1024px){.cat-cards{grid-template-columns:repeat(3,1fr);}}
@media(max-width:860px){.hot-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:640px){.cat-cards{grid-template-columns:repeat(2,1fr);}}
@media(max-width:560px){.cat-cards{grid-template-columns:1fr 1fr;gap:12px;}.cat-card{padding:20px 10px;}.hot-grid{grid-template-columns:1fr;}}
.prod-body{padding:24px 24px 26px;flex:1;display:flex;flex-direction:column;}
.prod-body h3{font-size:20px;font-weight:800;margin-bottom:6px;}
.prod-body .sz-line{font-size:13px;font-weight:700;color:var(--blue);margin-bottom:10px;}
.prod-body p{font-size:14.5px;color:var(--muted);line-height:1.6;}
.prod-specs{display:flex;flex-wrap:wrap;gap:7px;margin-top:14px;}
.prod-specs .sp{font-size:12px;font-weight:600;color:var(--ink-2);background:var(--bg-soft);padding:4px 10px;border-radius:6px;border:1px solid var(--border-2);}
.prod-foot{display:flex;align-items:center;justify-content:space-between;margin-top:18px;padding-top:16px;border-top:1px solid var(--border);gap:8px;}
.prod-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--blue);}
.prod-link svg{width:16px;height:16px;transition:transform .25s;}
.prod-card:hover .prod-link svg{transform:translateX(4px);}

/* ═══ Capabilities (customization) ═══ */
.capab{padding:84px 0;background:var(--bg-soft);border-top:1px solid var(--border);}
.cap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.cap{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px 20px;transition:all .25s;}
.cap:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent;}
.cap .ic{width:46px;height:46px;border-radius:11px;background:var(--blue-l);color:var(--blue);display:flex;align-items:center;justify-content:center;margin-bottom:14px;}
.cap .ic svg{width:24px;height:24px;}
.cap h4{font-size:15.5px;font-weight:800;color:var(--ink);margin-bottom:6px;}
.cap p{font-size:13px;color:var(--muted);line-height:1.55;}

/* ═══ Manufacturing / vertical integration ═══ */
.mfg{padding:84px 0;background:var(--bg);}
.mfg-flow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:0;align-items:stretch;margin-bottom:24px;}
.mfg-node{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px 22px;position:relative;transition:all .25s;}
.mfg-node:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--blue);}
.mfg-node .step{font-size:12px;font-weight:800;color:var(--blue);letter-spacing:.06em;margin-bottom:12px;}
.mfg-node .ic{width:50px;height:50px;border-radius:11px;background:var(--blue-l);color:var(--blue);display:flex;align-items:center;justify-content:center;margin-bottom:14px;}
.mfg-node .ic svg{width:26px;height:26px;}
.mfg-node h3{font-size:18px;font-weight:800;margin-bottom:7px;}
.mfg-node p{font-size:13.5px;color:var(--muted);line-height:1.6;}
.mfg-arrow{display:flex;align-items:center;justify-content:center;padding:0 14px;color:var(--blue);font-size:22px;font-weight:700;}
.mfg-out{background:linear-gradient(135deg,var(--ink),var(--ink-2));color:#fff;border-radius:var(--radius);padding:24px 28px;display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.mfg-out .ic{width:48px;height:48px;border-radius:11px;background:rgba(10,163,192,.18);color:var(--cyan);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.mfg-out .ic svg{width:26px;height:26px;}
.mfg-out h4{font-size:17px;font-weight:800;color:#fff;}
.mfg-out p{font-size:14px;color:rgba(255,255,255,.72);margin-top:3px;}
/* manufacturing capability mini-cards */
.mfg-cap{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:30px;}
.mfg-cap .mc{background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius);padding:20px 18px;}
.mfg-cap .mc .ic{width:42px;height:42px;border-radius:10px;background:#fff;color:var(--blue);display:flex;align-items:center;justify-content:center;margin-bottom:12px;border:1px solid var(--border);}
.mfg-cap .mc .ic svg{width:22px;height:22px;}
.mfg-cap .mc h4{font-size:14.5px;font-weight:800;margin-bottom:5px;}
.mfg-cap .mc p{font-size:12.5px;color:var(--muted);line-height:1.5;}

/* ═══ Applications ═══ */
.apps{padding:84px 0;background:var(--bg-soft);border-top:1px solid var(--border);}
.app-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.app{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:16/10;background:var(--ink);cursor:pointer;transition:transform .3s;}
.app:hover{transform:translateY(-4px);}
.app-bg{position:absolute;inset:0;opacity:.55;transition:opacity .3s;}
.app:hover .app-bg{opacity:.75;}
.app-ov{position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,26,46,.1),rgba(11,26,46,.55) 45%,rgba(11,26,46,.94));}
.app-c{position:absolute;inset:0;padding:22px;display:flex;flex-direction:column;justify-content:space-between;color:#fff;}
.app-c .top{font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:rgba(255,255,255,.85);}
.app-c .bt svg{width:26px;height:26px;color:#fff;margin-bottom:10px;}
.app-c h4{font-size:18px;font-weight:800;}
.app-c p{font-size:13px;color:rgba(255,255,255,.78);margin-top:4px;}
.bg-industrial{background:linear-gradient(135deg,#1457C9,#0AA3C0);}
.bg-medical{background:linear-gradient(135deg,#0B3D91,#1457C9);}
.bg-outdoor{background:linear-gradient(135deg,#0F766E,#14B8A6);}
.bg-instrument{background:linear-gradient(135deg,#312E81,#1457C9);}
.bg-security{background:linear-gradient(135deg,#0B1A2E,#312E81);}
.bg-rail{background:linear-gradient(135deg,#0C4A6E,#0EA5E9);}

/* ═══ Why BSC ═══ */
.why{padding:84px 0;background:var(--bg);}
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.why-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:28px 24px;transition:all .25s;}
.why-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:transparent;}
.why-card .ic{width:52px;height:52px;border-radius:12px;background:var(--blue-l);color:var(--blue);display:flex;align-items:center;justify-content:center;margin-bottom:16px;}
.why-card .ic svg{width:26px;height:26px;}
.why-card h3{font-size:18px;font-weight:800;margin-bottom:8px;}
.why-card p{font-size:14px;color:var(--muted);line-height:1.6;}

/* ═══ Certs ═══ */
.certs{padding:64px 0;background:var(--bg-soft);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.certs-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;margin-top:8px;}
.cert{display:flex;flex-direction:column;align-items:center;gap:9px;min-width:108px;padding:18px 16px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);transition:all .25s;}
.cert:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--blue);}
.cert .r{width:60px;height:60px;border-radius:50%;border:2px solid var(--blue-l2);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:12px;color:var(--blue);text-align:center;line-height:1.1;}
.cert .l{font-size:12px;color:var(--muted);font-weight:600;}

/* ═══ News ═══ */
.news{padding:72px 0;background:var(--bg);border-top:1px solid var(--border);}
.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 40px;margin-top:36px;}
.news-item{display:flex;gap:16px;padding:16px 4px;border-bottom:1px solid var(--border-2);transition:all .2s var(--ease);cursor:pointer;}
.news-item:hover{transform:translateX(4px);}
.news-item:hover .news-title{color:var(--blue);}
.news-date{flex-shrink:0;width:66px;text-align:center;background:var(--blue-l);border-radius:10px;padding:10px 6px;color:var(--blue);}
.news-date .d{font-size:22px;font-weight:900;line-height:1;display:block;}
.news-date .m{font-size:11px;font-weight:700;margin-top:5px;display:block;opacity:.8;}
.news-body{flex:1;min-width:0;}
.news-cat{display:inline-block;font-size:11px;font-weight:700;color:var(--blue);background:var(--blue-l);padding:3px 9px;border-radius:5px;margin-bottom:7px;}
.news-title{font-size:15px;font-weight:700;color:var(--ink);line-height:1.4;transition:color .2s;}
.news-excerpt{font-size:13px;color:var(--muted);margin-top:6px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
@media(max-width:768px){.news-grid{grid-template-columns:1fr;gap:0;}}

/* ═══ RFQ form ═══ */
.rfq{padding:84px 0;background:var(--bg);}
.rfq-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.rfq-copy h2{line-height:1.12;}
.rfq-copy .lead{margin-top:18px;}
.rfq-points{margin-top:24px;display:flex;flex-direction:column;gap:13px;}
.rfq-points .p{display:flex;align-items:flex-start;gap:11px;font-size:14.5px;color:var(--ink-2);}
.rfq-points .p svg{width:20px;height:20px;color:var(--green);flex-shrink:0;margin-top:2px;}
.rfq-points .p b{color:var(--ink);}
.qform{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:30px 28px;box-shadow:var(--shadow-lg);}
.qform h3{font-size:20px;font-weight:800;text-align:center;}
.qform .sub{text-align:center;font-size:13px;color:var(--muted);margin-top:4px;font-weight:600;margin-bottom:8px;}
.qform .field{margin-top:14px;}
.qform label{display:block;font-size:12.5px;font-weight:700;color:var(--ink-2);margin-bottom:6px;}
.qform input,.qform select,.qform textarea{width:100%;padding:12px 14px;border:1.5px solid var(--border);border-radius:9px;font-size:14px;font-family:inherit;color:var(--ink);background:var(--bg-soft);transition:all .2s;outline:none;}
.qform input:focus,.qform select:focus,.qform textarea:focus{border-color:var(--blue);background:#fff;box-shadow:0 0 0 3px rgba(20,87,201,.12);}
.qform textarea{resize:vertical;min-height:74px;}
.qform .row2{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.qform .note{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:12px;font-size:12px;color:var(--muted);}
.qform .note svg{width:14px;height:14px;color:var(--green);}
.qform-success{display:none;text-align:center;padding:40px 10px;}
.qform-success.show{display:block;}
.qform-success .ic{width:60px;height:60px;border-radius:50%;background:#DCFCE7;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;}
.qform-success .ic svg{width:32px;height:32px;color:var(--green);}
.qform-success h4{font-size:20px;font-weight:800;}
.qform-success p{font-size:14px;color:var(--muted);margin-top:6px;}

/* ═══ FAQ ═══ */
.faq{padding:84px 0;background:var(--bg-soft);border-top:1px solid var(--border);}
.faq-wrap{max-width:800px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);margin-bottom:12px;overflow:hidden;transition:border-color .2s,box-shadow .2s;}
.faq-item.open{border-color:var(--blue);box-shadow:0 4px 16px rgba(20,87,201,.08);}
.faq-q{width:100%;text-align:left;background:none;border:none;padding:20px 24px;font-size:16px;font-weight:700;color:var(--ink);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;font-family:inherit;line-height:1.4;}
.faq-q .chev{flex-shrink:0;width:22px;height:22px;color:var(--blue);transition:transform .3s;}
.faq-item.open .faq-q .chev{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-a-in{padding:0 24px 20px;font-size:14.5px;color:var(--muted);line-height:1.7;}

/* ═══ Final CTA ═══ */
.cta-band{padding:72px 0;background:linear-gradient(135deg,var(--blue-d),var(--blue));color:#fff;position:relative;overflow:hidden;}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 400px at 80% 20%,rgba(10,163,192,.4),transparent 60%);}
.cta-inner{position:relative;text-align:center;max-width:640px;margin:0 auto;}
.cta-inner h2{color:#fff;font-size:clamp(26px,3.4vw,40px);font-weight:800;line-height:1.12;}
.cta-inner p{font-size:17px;color:rgba(255,255,255,.88);margin-top:14px;}
.cta-band .btn-row{display:flex;gap:12px;justify-content:center;margin-top:26px;flex-wrap:wrap;}

/* ═══ Footer ═══ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:56px 0 24px;}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1.4fr;gap:36px;}
.foot-brand .brand{color:#fff;margin-bottom:14px;}
.foot-brand p{font-size:13.5px;color:rgba(255,255,255,.6);line-height:1.7;max-width:320px;}
.foot-social{display:flex;gap:10px;margin-top:18px;}
.foot-social a{width:38px;height:38px;border-radius:9px;background:rgba(255,255,255,.06);display:flex;align-items:center;justify-content:center;transition:all .2s;color:rgba(255,255,255,.7);}
.foot-social a:hover{background:var(--blue);color:#fff;transform:translateY(-2px);}
.foot-social svg{width:18px;height:18px;}
.foot-col h5{font-size:13px;font-weight:800;color:#fff;text-transform:uppercase;letter-spacing:.08em;margin-bottom:16px;}
.foot-col ul li{margin-bottom:11px;}
.foot-col ul li a{font-size:14px;color:rgba(255,255,255,.62);transition:color .2s;}
.foot-col ul li a:hover{color:#fff;}
.foot-contact li{display:flex;gap:10px;font-size:13.5px;color:rgba(255,255,255,.62);margin-bottom:13px;line-height:1.5;}
.foot-contact li svg{width:17px;height:17px;flex-shrink:0;color:var(--cyan);margin-top:2px;}
.foot-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:40px;padding-top:22px;display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;font-size:12.5px;color:rgba(255,255,255,.5);}
.foot-bottom a:hover{color:#fff;}

/* ═══ Sticky CTA ═══ */
.sticky-cta{position:fixed;bottom:20px;right:20px;z-index:80;display:flex;align-items:center;gap:9px;background:var(--blue);color:#fff;font-weight:700;font-size:14px;padding:13px 22px;border-radius:8px;box-shadow:0 12px 30px rgba(20,87,201,.4);cursor:pointer;transition:all .25s;opacity:0;transform:translateY(20px);pointer-events:none;}
.sticky-cta.show{opacity:1;transform:none;pointer-events:auto;}
.sticky-cta:hover{background:var(--blue-d);transform:translateY(-2px);}
.sticky-cta svg{width:17px;height:17px;}

/* ═══ Reveal ═══ */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease);}
.reveal.in{opacity:1;transform:none;}

/* ═══ Responsive ═══ */
@media(max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:40px;}
  .hero-visual{order:-1;max-width:440px;margin:0 auto;width:100%;}
  .rfq-grid{grid-template-columns:1fr;gap:36px;}
  .mfg-flow{grid-template-columns:1fr;}
  .mfg-arrow{transform:rotate(90deg);padding:8px 0;}
  .mfg-cap{grid-template-columns:1fr 1fr;}
  .foot-grid{grid-template-columns:1fr 1fr 1fr;gap:28px;}
  .foot-brand{grid-column:1/-1;}
  .why-grid{grid-template-columns:1fr 1fr;}
  .range-line{gap:12px;}
}
@media(max-width:860px){
  .nav-links{display:none;}
  .menu-btn{display:flex;align-items:center;justify-content:center;}
  .nav-cta .nav-quote{display:none;}
  .prod-grid{grid-template-columns:1fr;}
  .cap-grid{grid-template-columns:1fr 1fr;}
  .app-grid{grid-template-columns:1fr 1fr;}
  .trust-grid{grid-template-columns:1fr 1fr;gap:18px;}
  .qform .row2{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;}
  .r5,.r6{display:none;}
}
@media(max-width:560px){
  .hero{padding:36px 0 44px;}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta .btn{width:100%;}
  .cap-grid,.app-grid,.why-grid,.mfg-cap,.trust-grid,.foot-grid{grid-template-columns:1fr;}
  .qform .row2{grid-template-columns:1fr;}
  .cta-band .btn-row{flex-direction:column;align-items:stretch;}
  .cta-band .btn-row .btn{width:100%;}
  .sticky-cta{right:12px;bottom:12px;padding:11px 16px;font-size:13px;}
  .range-line{gap:10px;}
  .r4{display:none;}
  .hero-visual .hv-float.f1{width:90px;}
  .hero-visual .hv-float.f2{width:80px;}
}
/* Product category navigation */
.category-btn{transition:all .25s var(--ease);}
.category-btn:hover{border-color:var(--blue);background:var(--blue-l);color:var(--blue);}
.category-btn.active{background:var(--blue);color:#fff;border-color:var(--blue);box-shadow:0 8px 20px rgba(20,87,201,.25);}

/* Category sections */
.category-section{transition:opacity .4s var(--ease),transform .4s var(--ease);}

/* Product category beautification styles */
.category-navigation{
  display:flex;
  flex-direction:column;
  gap:16px;
  margin-bottom:32px;
}
.category-group{
  background:#fff;
  border:1px solid var(--border);
  border-radius:14px;
  overflow:hidden;
  transition:all .3s var(--ease);
  position:relative;
}
.category-group:hover{
  box-shadow:var(--shadow-lg);
  border-color:var(--blue-l2);
}
.category-header{
  display:flex;
  align-items:center;
  gap:12px;
  padding:18px 22px;
  cursor:pointer;
  background:linear-gradient(135deg,#fff,#F4F7FB);
  transition:all .3s var(--ease);
}
.category-header:hover{
  background:linear-gradient(135deg,var(--blue-l),#F4F7FB);
}
.category-icon{
  width:44px;
  height:44px;
  border-radius:10px;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
}
.category-icon svg{
  width:22px;
  height:22px;
}
.category-title{
  flex:1;
}
.category-title h4{
  margin:0;
  font-size:16px;
  font-weight:800;
  color:var(--ink);
}
.category-title p{
  margin:4px 0 0 0;
  font-size:13px;
  color:var(--muted);
}
.category-arrow{
  color:var(--blue);
  transition:transform .3s var(--ease);
}
.category-group:hover .category-arrow{
  transform:translateX(4px);
}
.category-dropdown{
  max-height:0;
  overflow:hidden;
  transition:max-height .4s var(--ease),opacity .3s var(--ease),padding .4s var(--ease);
  opacity:0;
  border-top:1px solid var(--border-2);
  background:var(--bg-soft);
}
.category-group:hover .category-dropdown{
  max-height:600px;
  opacity:1;
  padding:16px 22px 22px 22px;
}
.subcategory-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:12px;
}
.subcategory-item{
  display:flex;
  align-items:center;
  gap:10px;
  padding:12px 14px;
  background:#fff;
  border:1px solid var(--border-2);
  border-radius:10px;
  cursor:pointer;
  transition:all .2s var(--ease);
}
.subcategory-item:hover{
  border-color:var(--blue);
  background:var(--blue-l);
  transform:translateY(-2px);
  box-shadow:0 4px 12px rgba(20,87,201,.1);
}
.subcategory-item .dot{
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--blue);
  flex-shrink:0;
}
.subcategory-item span{
  font-size:14px;
  font-weight:600;
  color:var(--ink-2);
}
@media(max-width:768px){
  .subcategory-grid{
    grid-template-columns:1fr;
  }
}
/* Category filter button beautification */
.category-filter-btns{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  justify-content:center;
  margin-bottom:32px;
}
.category-filter-btn{
  padding:12px 22px;
  border-radius:12px;
  border:2px solid var(--border-2);
  background:#fff;
  font-weight:700;
  font-size:14px;
  cursor:pointer;
  transition:all .25s var(--ease);
  color:var(--ink-2);
}
.category-filter-btn:hover{
  border-color:var(--blue);
  background:var(--blue-l);
  color:var(--blue);
  transform:translateY(-2px);
  box-shadow:0 6px 16px rgba(20,87,201,.15);
}
.category-filter-btn.active{
  background:linear-gradient(135deg,var(--blue),var(--blue-d));
  color:#fff;
  border-color:transparent;
  box-shadow:0 8px 24px rgba(20,87,201,.3);
}

/* Responsive product grids */
@media(max-width:1024px){
  .prod-grid{grid-template-columns:1fr 1fr !important;}
  .prod-media{width:100%;height:250px;}
}
@media(max-width:640px){
  .prod-grid{grid-template-columns:1fr !important;}
  .category-section .reveal > div{grid-template-columns:1fr 1fr !important;}
  .prod-media{width:100%;height:200px;}
}

/* Language Switcher */
.lang-switcher{
  display:flex;
  align-items:center;
  gap:4px;
  background:var(--bg-soft);
  border:1px solid var(--border);
  border-radius:8px;
  padding:4px;
}
.lang-btn{
  padding:6px 10px;
  border-radius:6px;
  font-weight:600;
  font-size:13px;
  color:var(--muted);
  background:transparent;
  border:none;
  cursor:pointer;
  transition:all .2s var(--ease);
  text-decoration:none;
}
.lang-btn:hover{
  color:var(--ink);
  background:var(--bg-soft2);
}
.lang-btn.active{
  background:var(--blue);
  color:#fff;
  box-shadow:0 2px 8px rgba(20,87,201,.25);
}
@media(max-width:860px){
  .lang-switcher{
    display:none;
  }
}


/* ═══ Nav dropdown ═══ */
.nav-dropdown{position:relative;}
.nav-dd-trigger{display:inline-flex !important;align-items:center;gap:5px;}
.nav-dd-chev{width:14px;height:14px;transition:transform .25s var(--ease);}
.nav-dropdown:hover .nav-dd-chev{transform:rotate(180deg);}
.nav-dd-panel{position:absolute;top:calc(100% + 6px);left:0;min-width:210px;background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow-lg);padding:8px;margin:0;list-style:none;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;z-index:100;}
.nav-dropdown:hover>.nav-dd-panel{opacity:1;visibility:visible;transform:none;}
.nav-dd-item{position:relative;}
.nav-dd-item>a{display:flex !important;justify-content:space-between;align-items:center;padding:10px 14px !important;border-radius:8px;font-size:14px !important;font-weight:600;color:var(--ink-2);transition:all .2s;}
.nav-dd-item>a:hover{background:var(--blue-l);color:var(--blue);}
.nav-dd-arr{color:var(--muted-2);font-size:18px;line-height:1;}
.nav-dd-item:hover>a .nav-dd-arr{color:var(--blue);}
.nav-dd-sub{position:absolute;top:-8px;left:100%;min-width:210px;background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow-lg);padding:8px;margin:0;list-style:none;opacity:0;visibility:hidden;transform:translateX(8px);transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;z-index:101;}
.nav-dd-item:hover>.nav-dd-sub{opacity:1;visibility:visible;transform:none;}
.nav-dd-sub a{display:block !important;padding:9px 14px !important;border-radius:8px;font-size:13.5px !important;font-weight:500;color:var(--ink-2);transition:all .2s;}
.nav-dd-sub a:hover{background:var(--blue-l);color:var(--blue);}

.nav-dd-sub2{position:absolute;top:-8px;left:100%;min-width:200px;background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow-lg);padding:8px;margin:0;list-style:none;opacity:0;visibility:hidden;transform:translateX(8px);transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;z-index:102;}
.nav-dd-item:hover>.nav-dd-sub2{opacity:1;visibility:visible;transform:none;}
.nav-dd-sub2 a{display:block !important;padding:9px 14px !important;border-radius:8px;font-size:13.5px !important;font-weight:500;color:var(--ink-2);transition:all .2s;}
.nav-dd-sub2 a:hover{background:var(--blue-l);color:var(--blue);}
.nav-dd-divider{height:1px;background:var(--border);margin:8px 4px;}

.lang-select{padding:7px 26px 7px 12px;border:1px solid var(--border);border-radius:8px;font-size:13px;font-weight:600;color:var(--ink-2);background:#fff;font-family:inherit;cursor:pointer;outline:none;transition:all .2s;appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2356697F' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 8px center;background-size:14px;}
.lang-select:hover{border-color:var(--blue);color:var(--blue);}
.lang-select:focus{border-color:var(--blue);}


/* ═══ Products catalog page ═══ */
/* ═══ Catalog ═══ */
.catalog{display:grid;grid-template-columns:240px 1fr;gap:32px;align-items:start;}
.catalog-side{position:sticky;top:86px;}
.side-block{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:18px;}
.side-block h5{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:0 0 12px;}
.cat-tree{display:flex;flex-direction:column;gap:2px;}
.tree-row{display:flex;align-items:center;gap:6px;padding:7px 8px;border-radius:7px;cursor:pointer;font-size:13.5px;font-weight:600;color:var(--ink-2);transition:all .15s;}
.tree-row:hover{background:var(--bg-soft);}
.tree-node.active>.tree-row{background:var(--blue);color:#fff;}
.tree-toggle{display:flex;align-items:center;justify-content:center;width:18px;height:18px;background:none;border:none;cursor:pointer;color:var(--muted);padding:0;flex-shrink:0;}
.tree-toggle.placeholder{visibility:hidden;cursor:default;}
.tree-toggle .t-chev{width:13px;height:13px;transition:transform .2s;}
.tree-node.open>.tree-row .t-chev{transform:rotate(90deg);}
.tree-node.active>.tree-row .tree-toggle{color:#fff;}
.tree-label{flex:1;}
.tree-row .cnt{font-size:11px;font-weight:700;opacity:.6;}
.tree-children{display:none;margin-left:11px;padding-left:7px;border-left:1px dashed var(--border);margin-top:2px;flex-direction:column;gap:1px;}
.tree-node.open>.tree-children{display:flex;}
.tree-node.l2 .tree-row{font-size:13px;font-weight:500;padding:6px 8px;}
.tree-leaf{display:flex;align-items:center;gap:7px;padding:5px 8px 5px 25px;font-size:12.5px;color:var(--muted);cursor:pointer;transition:all .15s;border-radius:6px;}
.tree-leaf:hover{color:var(--ink);background:var(--bg-soft);}
.tree-leaf.active{color:var(--blue);font-weight:700;background:var(--blue-l);}
.tree-leaf::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--muted-2);flex-shrink:0;}
.tree-leaf.active::before{background:var(--blue);}
.catalog-main{min-width:0;}
.filter-bar{display:flex;flex-wrap:wrap;gap:14px;align-items:flex-end;margin-bottom:20px;padding:14px 16px;background:var(--bg-soft);border:1px solid var(--border);border-radius:12px;}
.filter-field{display:flex;flex-direction:column;gap:5px;}
.filter-field label{font-size:12px;font-weight:700;color:var(--muted);}
.filter-select{padding:8px 12px;border:1.5px solid var(--border);border-radius:8px;font-size:13.5px;font-weight:600;color:var(--ink);background:#fff;font-family:inherit;cursor:pointer;outline:none;transition:all .2s;}
.filter-select:focus{border-color:var(--blue);}
.clear-btn{margin-left:auto;font-size:13px;font-weight:700;color:var(--blue);cursor:pointer;background:none;border:none;font-family:inherit;padding:8px 12px;border-radius:8px;}
.clear-btn:hover{background:var(--blue-l);}
.catalog-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:18px;padding-bottom:14px;border-bottom:1px solid var(--border);}
.catalog-head h3{font-size:20px;font-weight:800;margin:0;}
.catalog-head .count{font-size:13.5px;color:var(--muted);font-weight:600;}
.catalog-head .count b{color:var(--blue);font-size:16px;}
.plist{display:flex;flex-direction:column;gap:14px;}
.list-item{display:flex;gap:18px;align-items:center;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:14px;transition:all .3s var(--ease);text-decoration:none;color:inherit;}
.list-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:transparent;}
.list-thumb{width:128px;height:128px;flex-shrink:0;border-radius:10px;overflow:hidden;background:linear-gradient(160deg,#F4F7FB,#E9EFF7);display:flex;align-items:center;justify-content:center;}
.list-thumb img{width:100%;height:100%;object-fit:cover;display:block;}
.list-body{flex:1;min-width:0;display:flex;flex-direction:column;}
.list-head{display:flex;align-items:center;gap:10px;margin-bottom:6px;flex-wrap:wrap;}
.list-cat{font-size:11px;font-weight:700;color:var(--blue);background:var(--blue-l);padding:3px 9px;border-radius:5px;}
.list-body h4{font-size:16.5px;font-weight:800;color:var(--ink);margin:0;}
.list-desc{font-size:13.5px;color:var(--muted);line-height:1.6;margin:0 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.list-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto;}
.list-tags span{font-size:11.5px;font-weight:600;color:var(--ink-2);background:var(--bg-soft);padding:3px 9px;border-radius:5px;border:1px solid var(--border-2);}
.list-cta{display:flex;align-items:center;flex-shrink:0;font-size:13px;font-weight:700;color:var(--blue);white-space:nowrap;padding-left:8px;}
.no-results{text-align:center;padding:60px 20px;color:var(--muted);font-size:15px;}
/* ═══ Services ═══ */
.services{background:linear-gradient(135deg,var(--ink),var(--ink-2));color:#fff;padding:72px 0;}
.scard-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;}
.scard{display:flex;flex-direction:column;align-items:center;text-align:center;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:28px 20px;text-decoration:none;color:inherit;transition:all .3s var(--ease);}
.scard:hover{transform:translateY(-5px);background:rgba(255,255,255,.1);border-color:rgba(10,163,192,.4);}
.scard-ic{width:54px;height:54px;border-radius:14px;background:rgba(10,163,192,.18);color:var(--cyan);display:flex;align-items:center;justify-content:center;margin-bottom:14px;}
.scard-ic svg{width:26px;height:26px;}
.scard h4{font-size:16px;font-weight:800;color:#fff;margin:0 0 8px;}
.scard p{font-size:13px;color:rgba(255,255,255,.72);line-height:1.6;margin:0;}
@media(max-width:1024px){.scard-grid{grid-template-columns:repeat(3,1fr);}}
@media(max-width:860px){.catalog{grid-template-columns:1fr;gap:20px;}.catalog-side{position:static;}.list-thumb{width:104px;height:104px;}}
@media(max-width:640px){.scard-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:560px){.list-item{flex-direction:column;align-items:stretch;gap:12px;}.list-thumb{width:100%;height:160px;}.list-cta{padding-left:0;}.clear-btn{margin-left:0;}}
@media(max-width:480px){.scard-grid{grid-template-columns:1fr;}}

/* ═══ Product detail page ═══ */
.detail-wrap{max-width:1080px;margin:0 auto;padding:24px;}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:18px;}
.breadcrumb a{color:var(--blue);font-weight:600;}
.breadcrumb span{margin:0 7px;color:var(--muted-2);}
.detail-top{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;margin-bottom:40px;}
.detail-media{background:linear-gradient(160deg,#F4F7FB,#E9EFF7);border-radius:16px;overflow:hidden;aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow);}
.detail-media img{width:100%;height:100%;object-fit:cover;display:block;}
.detail-media.empty{color:var(--cyan);}
.detail-media.empty svg{width:84px;height:84px;}
.rel-card .rc-media svg{width:56px;height:56px;}
.detail-info .d-cat{display:inline-block;font-size:12px;font-weight:700;color:var(--blue);background:var(--blue-l);padding:4px 11px;border-radius:6px;margin-bottom:14px;}
.detail-info h1{font-size:clamp(24px,3vw,34px);font-weight:900;color:var(--ink);margin:0 0 14px;letter-spacing:-.02em;}
.detail-info .d-sum{font-size:15.5px;color:var(--muted);line-height:1.7;margin:0 0 22px;}
.detail-cta{display:flex;gap:12px;flex-wrap:wrap;}
.detail-section{margin:40px 0;}
.detail-section h2{font-size:20px;font-weight:800;color:var(--ink);margin:0 0 18px;display:flex;align-items:center;gap:10px;}
.detail-section h2::before{content:"";width:4px;height:20px;background:var(--blue);border-radius:2px;}
.detail-section p{font-size:15px;color:var(--ink-2);line-height:1.8;}
.spec-table{width:100%;border-collapse:collapse;border:1px solid var(--border);border-radius:12px;overflow:hidden;}
.spec-table td{padding:13px 18px;border-bottom:1px solid var(--border-2);font-size:14px;}
.spec-table tr:last-child td{border-bottom:none;}
.spec-table td:first-child{font-weight:700;color:var(--muted);background:var(--bg-soft);width:34%;}
.spec-table td:last-child{color:var(--ink);font-weight:600;}
.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;list-style:none;padding:0;margin:0;}
.feature-list li{display:flex;align-items:center;gap:12px;font-size:14.5px;color:var(--ink-2);background:var(--bg-soft);padding:13px 16px;border-radius:10px;border:1px solid var(--border-2);}
.feature-list li::before{content:"";width:18px;height:18px;border-radius:50%;background:var(--blue-l) center/12px no-repeat;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231457C9' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5 9-10'/%3E%3C/svg%3E");flex-shrink:0;}
.app-tags{display:flex;flex-wrap:wrap;gap:10px;}
.app-tags span{font-size:14px;font-weight:600;color:var(--ink-2);background:#fff;border:1px solid var(--border);padding:9px 16px;border-radius:20px;}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.rel-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);border-radius:12px;overflow:hidden;text-decoration:none;color:inherit;transition:all .25s;}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent;}
.rel-card .rc-media{aspect-ratio:4/3;background:linear-gradient(160deg,#F4F7FB,#E9EFF7);overflow:hidden;display:flex;align-items:center;justify-content:center;color:var(--cyan);}
.rel-card .rc-media img{width:100%;height:100%;object-fit:cover;}
.rel-card .rc-body{padding:12px 14px;}
.rel-card .rc-body h4{font-size:14px;font-weight:700;color:var(--ink);margin:0 0 2px;}
.rel-card .rc-body span{font-size:11.5px;color:var(--muted);}
.detail-cta-band{background:linear-gradient(135deg,var(--blue-d),var(--blue));color:#fff;border-radius:16px;padding:32px;text-align:center;margin:48px 0 0;}
.detail-cta-band h3{color:#fff;font-size:22px;font-weight:800;margin:0 0 8px;}
.detail-cta-band p{color:rgba(255,255,255,.85);font-size:14.5px;margin:0 0 18px;}
.notfound{text-align:center;padding:80px 20px;color:var(--muted);font-size:16px;}
@media(max-width:860px){.detail-top{grid-template-columns:1fr;gap:24px;}.rel-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:560px){.feature-list{grid-template-columns:1fr;}.rel-grid{grid-template-columns:1fr;}}