/* ==========================================================================
   Pak-Sino Electronics — design system
   Palette: deep navy (authority) + amber (industrial signal) on cool paper
   ========================================================================== */

:root{
  --navy-900:#080e1a;
  --navy-800:#0d1728;
  --navy-700:#132038;
  --navy-600:#1b2c4a;
  --navy-500:#27405f;
  --ink:#101a2b;
  --ink-2:#3d4d63;
  --ink-3:#6b7c93;
  --ink-4:#93a1b3;

  --amber:#ffb300;
  --amber-dark:#e09b00;
  --amber-soft:#fff4dc;

  --paper:#f4f6f9;
  --white:#ffffff;
  --line:#dfe5ed;
  --line-2:#eef1f6;

  --green:#0f8a4d;
  --green-soft:#e6f6ee;
  --red:#c93a2b;
  --red-soft:#fdeceb;
  --blue:#1f6fd0;

  --r-sm:4px; --r-md:8px; --r-lg:14px;
  --shadow-1:0 1px 2px rgba(16,26,43,.06),0 2px 8px rgba(16,26,43,.05);
  --shadow-2:0 4px 16px rgba(16,26,43,.09);
  --shadow-3:0 12px 36px rgba(16,26,43,.16);
  --maxw:1280px;
  --font:"Inter","Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,"SF Mono","Cascadia Mono","Roboto Mono",Consolas,monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--ink);background:var(--paper);
  font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4,h5{margin:0;line-height:1.22;font-weight:700;letter-spacing:-.015em}
p{margin:0 0 1em}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ---------- utility bar ---------- */
.util{background:var(--navy-900);color:#c3cede;font-size:12.5px}
.util .wrap{display:flex;align-items:center;justify-content:space-between;height:36px;gap:16px}
.util-l{display:flex;gap:18px;align-items:center;min-width:0}
.util-l span{display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.util-r{display:flex;gap:18px;align-items:center}
.util a:hover{color:var(--amber)}
.util .dot{width:6px;height:6px;border-radius:50%;background:#3fd07c;box-shadow:0 0 0 3px rgba(63,208,124,.18)}

/* ---------- header ---------- */
.site-header{background:var(--navy-800);position:relative;z-index:60;box-shadow:0 1px 0 rgba(255,255,255,.07)}
.head-main{display:flex;align-items:center;gap:28px;height:76px}

.logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;border-radius:8px;flex-shrink:0;
  background:linear-gradient(140deg,var(--amber),var(--amber-dark));
  display:grid;place-items:center;color:var(--navy-900);font-weight:800;font-size:16px;
  letter-spacing:-.04em;box-shadow:0 2px 10px rgba(255,179,0,.28);
}
.logo-txt{display:flex;flex-direction:column;line-height:1.1}
.logo-txt b{color:#fff;font-size:16.5px;letter-spacing:.01em;font-weight:800;white-space:nowrap}
.logo-txt small{color:#8fa3bd;font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;margin-top:3px;white-space:nowrap}

.head-search{flex:1;min-width:0;position:relative;max-width:620px}
.head-search form{display:flex;background:#fff;border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-1)}
.head-search input{
  flex:1;min-width:0;border:0;padding:0 15px;height:44px;font-size:14px;
  color:var(--ink);background:transparent;outline:none;
}
.head-search input::placeholder{color:var(--ink-4)}
.head-search .cat-sel{
  border:0;border-right:1px solid var(--line);background:#f7f9fb;color:var(--ink-2);
  font-size:12.5px;padding:0 10px;height:44px;outline:none;cursor:pointer;max-width:132px;
}
.head-search button{
  border:0;background:var(--amber);color:var(--navy-900);width:52px;
  display:grid;place-items:center;transition:background .15s;
}
.head-search button:hover{background:#ffc233}

.head-actions{display:flex;align-items:center;gap:6px;flex-shrink:0}
.head-act{
  display:flex;align-items:center;gap:7px;color:#cfd9e6;font-size:12.5px;
  padding:8px 10px;border-radius:var(--r-sm);transition:.15s;position:relative;white-space:nowrap;
}
.head-act:hover{background:rgba(255,255,255,.07);color:#fff}
.head-act .badge{
  position:absolute;top:2px;right:2px;background:var(--amber);color:var(--navy-900);
  font-size:10px;font-weight:800;min-width:16px;height:16px;border-radius:9px;
  display:grid;place-items:center;padding:0 4px;
}

/* ---------- main nav ---------- */
.main-nav{background:var(--navy-700);border-top:1px solid rgba(255,255,255,.06)}
.main-nav .wrap{display:flex;align-items:stretch;height:46px;gap:2px}
.nav-item{position:relative;display:flex;align-items:center}
.nav-link{
  display:flex;align-items:center;gap:6px;color:#d3dded;font-size:13.5px;font-weight:600;
  padding:0 14px;height:46px;transition:.15s;white-space:nowrap;
}
.nav-item:hover>.nav-link,.nav-link.is-active{color:#fff;background:rgba(255,255,255,.08)}
.nav-item:hover>.nav-link{box-shadow:inset 0 -2px 0 var(--amber)}
.nav-link .caret{opacity:.6;transition:transform .2s}
.nav-item:hover .caret{transform:rotate(180deg)}
.nav-spacer{flex:1}
.nav-quick{
  display:flex;align-items:center;gap:7px;color:var(--amber);font-size:13px;font-weight:700;
  padding:0 14px;height:46px;white-space:nowrap;
}
.nav-quick:hover{background:rgba(255,179,0,.12)}

/* ---------- mega menu ---------- */
.mega{
  position:absolute;top:100%;left:0;width:min(1080px,calc(100vw - 48px));
  background:#fff;border-radius:0 0 var(--r-lg) var(--r-lg);box-shadow:var(--shadow-3);
  display:none;grid-template-columns:236px 1fr;overflow:hidden;z-index:80;
  border-top:3px solid var(--amber);
}
.nav-item:hover .mega,.mega:hover{display:grid}
.mega-left{background:var(--navy-800);padding:14px 0}
.mega-left a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:10px 18px;color:#c9d5e4;font-size:13px;font-weight:600;transition:.13s;
}
.mega-left a:hover,.mega-left a.on{background:rgba(255,255,255,.09);color:#fff;box-shadow:inset 3px 0 0 var(--amber)}
.mega-right{padding:18px 22px;display:grid;grid-template-columns:repeat(4,1fr);gap:6px 18px}
.mega-right h6{
  grid-column:1/-1;font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;
  color:var(--ink-4);margin:0 0 6px;font-weight:700;
}
.mega-right a{
  font-size:13px;color:var(--ink-2);padding:5px 0;border-bottom:1px solid var(--line-2);
  transition:.12s;display:block;
}
.mega-right a:hover{color:var(--blue);padding-left:4px}

/* ---------- mobile nav ---------- */
.burger{display:none;background:none;border:0;color:#fff;padding:8px}
.mobile-nav{display:none;background:var(--navy-700);padding:8px 0 16px}
.mobile-nav a{display:block;padding:11px 24px;color:#d3dded;font-size:14px;font-weight:600;border-bottom:1px solid rgba(255,255,255,.06)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 20px;border-radius:var(--r-sm);border:1px solid transparent;
  font-size:13.5px;font-weight:700;letter-spacing:.01em;transition:.16s;
  text-align:center;white-space:nowrap;
}
.btn-primary{background:var(--amber);color:var(--navy-900);box-shadow:0 2px 10px rgba(255,179,0,.24)}
.btn-primary:hover{background:#ffc233;transform:translateY(-1px);box-shadow:0 4px 16px rgba(255,179,0,.34)}
.btn-navy{background:var(--navy-700);color:#fff}
.btn-navy:hover{background:var(--navy-600)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-outline:hover{border-color:var(--navy-500);color:var(--navy-700)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.3);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.55)}
.btn-sm{height:34px;padding:0 14px;font-size:12.5px}
.btn-block{width:100%}
.btn:disabled,.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none!important}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--navy-800);overflow:hidden}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.34}
.hero-bg::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(100deg,var(--navy-900) 6%,rgba(8,14,26,.94) 40%,rgba(8,14,26,.62) 72%,rgba(8,14,26,.5));
}
.hero-inner{position:relative;padding:66px 0 60px}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:11px;font-weight:800;
  letter-spacing:.16em;text-transform:uppercase;color:var(--amber);margin-bottom:18px;
}
.eyebrow::before{content:'';width:26px;height:2px;background:var(--amber)}
.hero h1{color:#fff;font-size:clamp(30px,3.5vw,44px);line-height:1.14;margin-bottom:18px;letter-spacing:-.025em}
.hero h1 em{color:var(--amber);font-style:normal}
.hero-sub{color:#b3c2d6;font-size:15.5px;max-width:520px;margin-bottom:28px;line-height:1.65}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:34px}
.hero-stats{display:flex;gap:0;border-top:1px solid rgba(255,255,255,.14);padding-top:22px}
.hero-stat{padding-right:30px;margin-right:30px;border-right:1px solid rgba(255,255,255,.14)}
.hero-stat:last-child{border-right:0;margin-right:0;padding-right:0}
.hero-stat b{display:block;color:#fff;font-size:26px;font-weight:800;letter-spacing:-.03em;line-height:1}
.hero-stat span{display:block;color:#8fa3bd;font-size:11.5px;margin-top:6px;letter-spacing:.02em}

/* BOM card in hero */
.bom-card{
  background:#fff;border-radius:var(--r-lg);box-shadow:var(--shadow-3);overflow:hidden;
  border-top:4px solid var(--amber);
}
.bom-card-head{padding:20px 22px 16px;border-bottom:1px solid var(--line-2)}
.bom-card-head h3{font-size:17px;margin-bottom:5px}
.bom-card-head p{font-size:12.5px;color:var(--ink-3);margin:0}
.bom-tabs{display:flex;gap:0;background:var(--paper);border-bottom:1px solid var(--line)}
.bom-tab{
  flex:1;padding:12px 8px;background:none;border:0;font-size:12.5px;font-weight:700;
  color:var(--ink-3);border-bottom:2px solid transparent;transition:.15s;
}
.bom-tab.on{color:var(--navy-700);background:#fff;border-bottom-color:var(--amber)}
.bom-body{padding:18px 22px 22px}
.bom-pane{display:none}
.bom-pane.on{display:block}
.bom-card textarea{
  width:100%;height:118px;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:11px 12px;font-family:var(--mono);font-size:12px;line-height:1.6;resize:vertical;
  color:var(--ink);outline:none;background:#fbfcfd;
}
.bom-card textarea:focus{border-color:var(--amber);box-shadow:0 0 0 3px rgba(255,179,0,.14)}
.bom-hint{font-size:11px;color:var(--ink-4);margin:8px 0 14px;font-family:var(--mono)}
.dropzone{
  border:2px dashed var(--line);border-radius:var(--r-md);padding:30px 18px;text-align:center;
  background:#fbfcfd;transition:.16s;cursor:pointer;
}
.dropzone:hover,.dropzone.over{border-color:var(--amber);background:var(--amber-soft)}
.dropzone svg{color:var(--ink-4);margin:0 auto 10px}
.dropzone b{display:block;font-size:13px;margin-bottom:4px}
.dropzone span{font-size:11.5px;color:var(--ink-4)}
.bom-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px}
.bom-note{font-size:11px;color:var(--ink-4);display:flex;align-items:center;gap:5px}

/* ---------- logo wall ---------- */
.logowall{background:#fff;border-bottom:1px solid var(--line);padding:20px 0}
.logowall-in{display:flex;align-items:center;gap:34px;overflow:hidden}
.logowall-lab{
  font-size:10.5px;font-weight:800;letter-spacing:.13em;text-transform:uppercase;
  color:var(--ink-4);white-space:nowrap;padding-right:26px;border-right:1px solid var(--line);flex-shrink:0;
}
.brandstrip{display:flex;gap:14px;align-items:center;overflow:hidden;flex:1}
.brandchip{
  font-size:12.5px;font-weight:800;color:var(--navy-600);letter-spacing:.02em;
  padding:7px 13px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-sm);
  white-space:nowrap;transition:.15s;
}
.brandchip:hover{border-color:var(--amber);color:var(--navy-900);background:var(--amber-soft)}

/* ---------- section ---------- */
.sec{padding:56px 0}
.sec-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-dark{background:var(--navy-800);color:#fff}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.sec-head h2{font-size:clamp(21px,2.3vw,27px);letter-spacing:-.022em}
.sec-head p{font-size:13.5px;color:var(--ink-3);margin:8px 0 0;max-width:560px}
.sec-dark .sec-head p{color:#9fb0c6}
.sec-link{font-size:13px;font-weight:700;color:var(--blue);display:inline-flex;align-items:center;gap:5px;white-space:nowrap}
.sec-link:hover{gap:9px}

/* ---------- category grid ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.cat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:18px 15px 15px;
  transition:.18s;display:flex;flex-direction:column;gap:9px;
}
.cat-card:hover{border-color:var(--navy-500);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.cat-ico{
  width:38px;height:38px;border-radius:var(--r-sm);background:var(--navy-800);
  display:grid;place-items:center;color:var(--amber);
}
.cat-card b{font-size:13px;letter-spacing:-.01em;line-height:1.3}
.cat-card small{font-size:11px;color:var(--ink-4);margin-top:auto}

/* ---------- product table / cards ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.pcard{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  display:flex;flex-direction:column;transition:.18s;
}
.pcard:hover{box-shadow:var(--shadow-2);border-color:#c3cfdd;transform:translateY(-2px)}
.pcard-top{padding:14px 15px 10px;border-bottom:1px solid var(--line-2)}
.pcard-brand{display:flex;align-items:center;justify-content:space-between;margin-bottom:9px}
.pcard-brand span{font-size:10px;font-weight:800;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-4)}
.pcard-pn{font-family:var(--mono);font-size:13.5px;font-weight:700;color:var(--navy-700);letter-spacing:-.02em;word-break:break-all;line-height:1.3}
.pcard-desc{font-size:12px;color:var(--ink-3);padding:10px 15px;line-height:1.5;flex:1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pcard-meta{padding:0 15px 12px;display:flex;gap:14px;font-size:11px;color:var(--ink-4)}
.pcard-meta b{color:var(--ink-2);font-weight:700}
.pcard-foot{
  padding:11px 15px;background:#fbfcfd;border-top:1px solid var(--line-2);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
}
.pcard-price{display:flex;flex-direction:column;line-height:1.2}
.pcard-price b{font-size:14.5px;color:var(--navy-700);font-variant-numeric:tabular-nums}
.pcard-price small{font-size:10px;color:var(--ink-4)}

.pill{
  display:inline-flex;align-items:center;gap:4px;font-size:10.5px;font-weight:700;
  padding:2.5px 7px;border-radius:3px;letter-spacing:.03em;white-space:nowrap;
}
.pill-stock{background:var(--green-soft);color:var(--green)}
.pill-low{background:#fff4dc;color:#8a5b00}
.pill-partial{background:var(--amber-soft);color:#8a5b00}
.pill-order{background:#eef1f6;color:var(--ink-3)}
.pill-nostock{background:var(--red-soft);color:var(--red)}
.pill-rohs{background:#e8f1fd;color:var(--blue)}

/* ---------- value props ---------- */
.vp-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.vp{text-align:left;padding:22px 18px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);border-top:3px solid var(--amber)}
.vp-ico{width:34px;height:34px;border-radius:6px;background:var(--amber-soft);color:var(--amber-dark);display:grid;place-items:center;margin-bottom:13px}
.vp b{display:block;font-size:13px;margin-bottom:6px}
.vp p{font-size:12px;color:var(--ink-3);margin:0;line-height:1.55}

/* ---------- feature split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.split-img{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-3);position:relative}
.split-img img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.split h2{font-size:clamp(21px,2.4vw,28px);margin-bottom:16px;letter-spacing:-.022em}
.split p{font-size:14px;color:var(--ink-2);line-height:1.7}
.checklist{list-style:none;padding:0;margin:22px 0 26px;display:grid;gap:13px}
.checklist li{display:flex;gap:11px;font-size:13.5px;color:var(--ink-2);line-height:1.5}
.checklist .tick{
  width:19px;height:19px;border-radius:50%;background:var(--green-soft);color:var(--green);
  display:grid;place-items:center;flex-shrink:0;margin-top:2px;font-size:11px;font-weight:900;
}
.checklist b{color:var(--ink);font-weight:700}

/* ---------- segments ---------- */
.seg-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.seg{
  position:relative;border-radius:var(--r-md);overflow:hidden;min-height:190px;
  display:flex;align-items:flex-end;padding:18px;color:#fff;transition:.2s;
}
.seg img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.seg::after{content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(8,14,26,.94) 8%,rgba(8,14,26,.5) 55%,rgba(8,14,26,.22))}
.seg:hover img{transform:scale(1.06)}
.seg-in{position:relative;z-index:2}
.seg b{display:block;font-size:15px;margin-bottom:3px}
.seg span{font-size:11.5px;color:#b7c6d8;display:block;line-height:1.45}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(105deg,var(--navy-700),var(--navy-600));color:#fff;padding:44px 0;position:relative;overflow:hidden}
.cta-band::after{
  content:'';position:absolute;right:-60px;top:-60px;width:340px;height:340px;
  border-radius:50%;border:44px solid rgba(255,179,0,.08);
}
.cta-in{display:flex;align-items:center;justify-content:space-between;gap:32px;position:relative;z-index:2}
.cta-in h2{font-size:clamp(19px,2.1vw,25px);margin-bottom:8px}
.cta-in p{color:#a9bacd;font-size:13.5px;margin:0;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-shrink:0}

/* ---------- footer ---------- */
.site-footer{background:var(--navy-900);color:#94a6bc;padding:52px 0 0;font-size:13px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1.3fr;gap:34px;padding-bottom:38px}
.foot-brand .logo{margin-bottom:16px}
.foot-brand p{font-size:12.5px;line-height:1.7;color:#8397ae;margin-bottom:16px;max-width:290px}
.foot-contact{display:grid;gap:9px;font-size:12.5px}
.foot-contact div{display:flex;gap:9px;align-items:flex-start;line-height:1.55}
.foot-contact svg{flex-shrink:0;margin-top:2px;color:var(--amber);opacity:.85}
.foot-contact a:hover{color:var(--amber)}
.foot-col h5{color:#fff;font-size:11.5px;letter-spacing:.11em;text-transform:uppercase;margin-bottom:15px;font-weight:800}
.foot-col ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.foot-col a{font-size:12.5px;color:#94a6bc;transition:.13s}
.foot-col a:hover{color:var(--amber);padding-left:3px}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.09);padding:18px 0;display:flex;
  align-items:center;justify-content:space-between;gap:20px;font-size:11.5px;color:#75879d;flex-wrap:wrap;
}
.foot-bottom .links{display:flex;gap:18px;flex-wrap:wrap}
.foot-bottom a:hover{color:var(--amber)}

/* ---------- page header (inner pages) ---------- */
.page-head{background:var(--navy-800);color:#fff;padding:34px 0 30px;position:relative;overflow:hidden}
.page-head::after{content:'';position:absolute;inset:0;background:radial-gradient(circle at 82% 10%,rgba(255,179,0,.13),transparent 58%)}
.page-head .wrap{position:relative;z-index:2}
.crumbs{display:flex;gap:8px;align-items:center;font-size:12px;color:#8fa3bd;margin-bottom:12px;flex-wrap:wrap}
.crumbs a:hover{color:var(--amber)}
.crumbs span{opacity:.5}
.page-head h1{font-size:clamp(24px,2.8vw,33px);letter-spacing:-.025em;margin-bottom:8px}
.page-head p{color:#a9bacd;font-size:14px;margin:0;max-width:660px;line-height:1.6}

/* ---------- catalogue layout ---------- */
.cat-layout{display:grid;grid-template-columns:246px 1fr;gap:26px;padding:34px 0 56px;align-items:start}

.filter-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;position:sticky;top:16px}
.fp-head{
  padding:13px 16px;border-bottom:1px solid var(--line);display:flex;align-items:center;
  justify-content:space-between;font-size:12px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--navy-700);
}
.fp-head button{background:none;border:0;font-size:11px;color:var(--blue);font-weight:700;text-transform:none;letter-spacing:0}
.fp-group{border-bottom:1px solid var(--line-2);padding:14px 16px}
.fp-group:last-child{border-bottom:0}
.fp-group h6{font-size:10.5px;letter-spacing:.11em;text-transform:uppercase;color:var(--ink-4);margin:0 0 10px;font-weight:800}
.fp-list{display:grid;gap:2px;max-height:280px;overflow-y:auto}
.fp-list::-webkit-scrollbar{width:5px}
.fp-list::-webkit-scrollbar-thumb{background:var(--line);border-radius:3px}
.fp-opt{
  display:flex;align-items:center;gap:8px;padding:5px 6px;border-radius:4px;cursor:pointer;
  font-size:12.5px;color:var(--ink-2);transition:.12s;
}
.fp-opt:hover{background:var(--paper)}
.fp-opt input{accent-color:var(--amber-dark);margin:0;width:14px;height:14px;cursor:pointer}
.fp-opt span{flex:1;line-height:1.35}
.fp-opt em{font-style:normal;font-size:11px;color:var(--ink-4);font-variant-numeric:tabular-nums}

.cat-toolbar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:11px 15px;margin-bottom:16px;flex-wrap:wrap;
}
.cat-toolbar .res{font-size:13px;color:var(--ink-3)}
.cat-toolbar .res b{color:var(--ink);font-weight:800}
.tool-right{display:flex;align-items:center;gap:10px}
.select{
  height:34px;border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;
  font-size:12.5px;color:var(--ink-2);padding:0 9px;outline:none;cursor:pointer;
}
.select:focus{border-color:var(--amber)}

.active-filters{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:14px}
.af-chip{
  display:inline-flex;align-items:center;gap:6px;background:var(--navy-800);color:#fff;
  font-size:11.5px;font-weight:600;padding:4px 9px;border-radius:3px;
}
.af-chip button{background:none;border:0;color:#9fb0c6;font-size:14px;line-height:1;padding:0;cursor:pointer}
.af-chip button:hover{color:var(--amber)}

/* ---------- data table ---------- */
.tbl-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden}
table.data{width:100%;border-collapse:collapse;font-size:12.5px}
table.data thead th{
  background:#f7f9fb;text-align:left;padding:10px 13px;font-size:10.5px;font-weight:800;
  letter-spacing:.08em;text-transform:uppercase;color:var(--ink-4);border-bottom:1px solid var(--line);white-space:nowrap;
}
table.data tbody td{padding:11px 13px;border-bottom:1px solid var(--line-2);vertical-align:middle}
table.data tbody tr:last-child td{border-bottom:0}
table.data tbody tr:hover{background:#fbfcfd}
table.data .pn{font-family:var(--mono);font-weight:700;color:var(--navy-700);font-size:12.5px}
table.data .pn a:hover{color:var(--blue);text-decoration:underline}
table.data .num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.empty-state{text-align:center;padding:52px 24px;color:var(--ink-3)}
.empty-state b{display:block;font-size:15px;color:var(--ink);margin-bottom:6px}
.empty-state p{font-size:13px;margin-bottom:18px}

/* ---------- product detail ---------- */
.pd-layout{display:grid;grid-template-columns:1fr 340px;gap:26px;padding:30px 0 56px;align-items:start}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;margin-bottom:18px}
.panel-head{padding:13px 18px;border-bottom:1px solid var(--line);font-size:13px;font-weight:800;color:var(--navy-700);display:flex;align-items:center;justify-content:space-between;gap:10px}
.panel-body{padding:18px}
.pd-title{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:6px}
.pd-title h1{font-family:var(--mono);font-size:clamp(20px,2.4vw,26px);letter-spacing:-.02em;color:var(--navy-700)}
.pd-sub{color:var(--ink-3);font-size:13.5px;margin:0 0 16px}
.spec-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0}
.spec-row{display:flex;gap:12px;padding:9px 0;border-bottom:1px solid var(--line-2);font-size:12.5px}
.spec-row dt{color:var(--ink-4);flex:0 0 132px;margin:0}
.spec-row dd{margin:0;color:var(--ink);font-weight:600;flex:1}
.price-table{width:100%;border-collapse:collapse;font-size:12.5px;margin-bottom:16px}
.price-table th{background:#f7f9fb;padding:8px 10px;font-size:10.5px;text-transform:uppercase;letter-spacing:.07em;color:var(--ink-4);text-align:left;border-bottom:1px solid var(--line)}
.price-table td{padding:9px 10px;border-bottom:1px solid var(--line-2);font-variant-numeric:tabular-nums}
.price-table td:last-child{text-align:right;font-weight:700;color:var(--navy-700)}
.stock-box{display:flex;align-items:center;gap:10px;padding:12px 14px;background:var(--green-soft);border-radius:var(--r-sm);margin-bottom:16px}
.stock-box b{font-size:16px;color:var(--green);font-variant-numeric:tabular-nums}
.stock-box span{font-size:11.5px;color:#2c6b49}
.qty-row{display:flex;gap:9px;align-items:center;margin-bottom:12px}
.qty-ctl{display:flex;align-items:center;border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;background:#fff}
.qty-ctl button{width:32px;height:40px;border:0;background:#f7f9fb;color:var(--ink-2);font-size:16px;font-weight:700}
.qty-ctl button:hover{background:var(--amber-soft);color:var(--navy-900)}
.qty-ctl input{width:64px;height:40px;border:0;border-left:1px solid var(--line);border-right:1px solid var(--line);text-align:center;font-size:13.5px;font-weight:700;font-variant-numeric:tabular-nums;outline:none}

/* ---------- BOM tool ---------- */
.bom-shell{padding:32px 0 56px}
.bom-steps{display:flex;align-items:center;gap:0;margin-bottom:26px;flex-wrap:wrap}
.bom-step{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--ink-4);font-weight:700}
.bom-step i{
  width:25px;height:25px;border-radius:50%;background:#fff;border:1.5px solid var(--line);
  display:grid;place-items:center;font-style:normal;font-size:11.5px;font-weight:800;color:var(--ink-4);
}
.bom-step.on{color:var(--navy-700)}
.bom-step.on i{background:var(--amber);border-color:var(--amber);color:var(--navy-900)}
.bom-step.done i{background:var(--green);border-color:var(--green);color:#fff}
.bom-step-line{flex:1;height:1.5px;background:var(--line);margin:0 14px;min-width:20px}

.bom-input-grid{display:grid;grid-template-columns:1fr 320px;gap:20px;align-items:start}
.bom-tool-tabs{display:flex;border-bottom:1px solid var(--line);background:#f7f9fb}
.bom-tool-tab{
  flex:1;padding:13px 10px;border:0;background:none;font-size:12.5px;font-weight:700;
  color:var(--ink-3);border-bottom:2px solid transparent;display:flex;align-items:center;justify-content:center;gap:7px;
}
.bom-tool-tab.on{background:#fff;color:var(--navy-700);border-bottom-color:var(--amber)}
.bom-pad{padding:20px}
.bom-pad textarea{
  width:100%;min-height:260px;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:13px;font-family:var(--mono);font-size:12px;line-height:1.75;resize:vertical;outline:none;background:#fbfcfd;
}
.bom-pad textarea:focus{border-color:var(--amber);box-shadow:0 0 0 3px rgba(255,179,0,.13)}
.bom-filezone{
  border:2px dashed var(--line);border-radius:var(--r-md);padding:52px 24px;text-align:center;
  background:#fbfcfd;cursor:pointer;transition:.16s;min-height:260px;display:grid;place-items:center;align-content:center;
}
.bom-filezone:hover,.bom-filezone.over{border-color:var(--amber);background:var(--amber-soft)}
.bom-filezone svg{margin:0 auto 14px;color:var(--ink-4)}
.bom-filezone b{display:block;font-size:14px;margin-bottom:5px}
.bom-filezone span{font-size:12px;color:var(--ink-4);display:block;max-width:320px;margin:0 auto;line-height:1.6}
.bom-filezone .formats{margin-top:14px;display:flex;gap:7px;justify-content:center;flex-wrap:wrap}
.fmt{font-size:10px;font-weight:800;letter-spacing:.05em;background:#fff;border:1px solid var(--line);padding:3px 8px;border-radius:3px;color:var(--ink-3)}
.bom-actions{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 20px;background:#fbfcfd;border-top:1px solid var(--line);flex-wrap:wrap}
.bom-opts{display:flex;gap:16px;flex-wrap:wrap}
.chk{display:flex;align-items:center;gap:7px;font-size:12px;color:var(--ink-2);cursor:pointer}
.chk input{accent-color:var(--amber-dark);width:14px;height:14px;cursor:pointer}

.bom-aside{display:grid;gap:16px}
.aside-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:16px}
.aside-card h5{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-4);margin-bottom:11px;font-weight:800}
.aside-card ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.aside-card li{font-size:12px;color:var(--ink-2);display:flex;gap:8px;line-height:1.5}
.aside-card li::before{content:'›';color:var(--amber-dark);font-weight:800;flex-shrink:0}
.aside-dark{background:var(--navy-800);border-color:var(--navy-700);color:#b3c2d6}
.aside-dark h5{color:#8fa3bd}
.aside-dark li{color:#b3c2d6}
.aside-dark li::before{color:var(--amber)}
.aside-dark b{color:#fff;display:block;font-size:13px;margin-bottom:6px}

/* BOM results */
.res-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:20px}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:15px 17px;border-left:3px solid var(--line)}
.stat-card.g{border-left-color:var(--green)}
.stat-card.a{border-left-color:var(--amber)}
.stat-card.r{border-left-color:var(--red)}
.stat-card.n{border-left-color:var(--navy-500)}
.stat-card b{display:block;font-size:23px;font-weight:800;letter-spacing:-.03em;line-height:1;font-variant-numeric:tabular-nums}
.stat-card span{display:block;font-size:11.5px;color:var(--ink-4);margin-top:6px}
.stat-card.g b{color:var(--green)}
.stat-card.a b{color:#8a5b00}
.stat-card.r b{color:var(--red)}
.stat-card.n b{color:var(--navy-700)}

tr.row-partial{background:#fffdf7}
tr.row-none{background:#fefaf9}
.match-tag{font-size:10px;font-weight:800;padding:2px 6px;border-radius:3px;letter-spacing:.04em}
.mt-exact{background:var(--green-soft);color:var(--green)}
.mt-equiv{background:#e8f1fd;color:var(--blue)}
.mt-none{background:var(--red-soft);color:var(--red)}

/* ---------- brands page ---------- */
.alpha-bar{display:flex;gap:4px;flex-wrap:wrap;margin-bottom:24px;align-items:center}
.alpha-bar button{
  min-width:31px;height:31px;border:1px solid var(--line);background:#fff;border-radius:4px;
  font-size:12px;font-weight:700;color:var(--ink-2);padding:0 7px;
}
.alpha-bar button:hover{border-color:var(--amber);background:var(--amber-soft)}
.alpha-bar button.on{background:var(--navy-800);border-color:var(--navy-800);color:#fff}
.brand-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:13px}
.brand-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px 15px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  min-height:112px;transition:.16s;text-align:center;
}
.brand-card:hover{border-color:var(--navy-500);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.brand-card .bmark{
  width:46px;height:46px;border-radius:6px;background:var(--paper);border:1px solid var(--line-2);
  display:grid;place-items:center;font-weight:900;font-size:13px;color:var(--navy-600);letter-spacing:-.03em;
}
.brand-card b{font-size:12.5px;letter-spacing:-.01em}
.brand-card small{font-size:10.5px;color:var(--ink-4)}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:start;padding:44px 0 56px}
.stat-band{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden}
.stat-band div{background:#fff;padding:22px 18px;text-align:center}
.stat-band b{display:block;font-size:27px;font-weight:800;color:var(--navy-700);letter-spacing:-.03em;line-height:1}
.stat-band span{display:block;font-size:11.5px;color:var(--ink-4);margin-top:7px}

.timeline{position:relative;padding-left:26px;margin-top:6px}
.timeline::before{content:'';position:absolute;left:6px;top:6px;bottom:6px;width:2px;background:var(--line)}
.tl-item{position:relative;padding-bottom:22px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:'';position:absolute;left:-26px;top:4px;width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid var(--amber);
}
.tl-item b{display:block;font-size:13px;margin-bottom:3px}
.tl-item span{font-size:12.5px;color:var(--ink-3);line-height:1.55;display:block}

/* ---------- forms ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:5px}
.field.full{grid-column:1/-1}
.field label{font-size:11.5px;font-weight:700;color:var(--ink-2);letter-spacing:.02em}
.field label .req{color:var(--red)}
.field input,.field select,.field textarea{
  border:1px solid var(--line);border-radius:var(--r-sm);padding:10px 12px;font-size:13px;
  font-family:inherit;color:var(--ink);outline:none;background:#fff;transition:.14s;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--amber);box-shadow:0 0 0 3px rgba(255,179,0,.13)}
.field input.err,.field textarea.err{border-color:var(--red);box-shadow:0 0 0 3px rgba(201,58,43,.1)}
.field textarea{resize:vertical;min-height:104px}
.field .hint{font-size:10.5px;color:var(--ink-4)}

.contact-grid{display:grid;grid-template-columns:1fr 380px;gap:32px;padding:34px 0 56px;align-items:start}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;margin-bottom:16px}
.contact-card .panel-body{padding:18px 20px}
.cc-row{display:flex;gap:12px;align-items:flex-start;font-size:13px;line-height:1.6;color:var(--ink-2)}
.cc-row+.cc-row{margin-top:15px;padding-top:15px;border-top:1px solid var(--line-2)}
.cc-ico{width:31px;height:31px;border-radius:6px;background:var(--navy-800);color:var(--amber);display:grid;place-items:center;flex-shrink:0}
.cc-row b{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-4);margin-bottom:2px;font-weight:800}
.cc-row a{color:var(--navy-700);font-weight:700}
.cc-row a:hover{color:var(--blue)}

/* ---------- quote drawer ---------- */
.drawer-backdrop{
  position:fixed;inset:0;background:rgba(8,14,26,.55);backdrop-filter:blur(2px);
  opacity:0;pointer-events:none;transition:.22s;z-index:200;
}
.drawer-backdrop.on{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(430px,100%);background:#fff;z-index:210;
  transform:translateX(100%);transition:transform .26s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;box-shadow:-8px 0 40px rgba(8,14,26,.22);
}
.drawer.on{transform:translateX(0)}
.drawer-head{padding:17px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.drawer-head h4{font-size:15px}
.drawer-head button{background:none;border:0;font-size:22px;color:var(--ink-4);line-height:1;padding:0 4px}
.drawer-head button:hover{color:var(--ink)}
.drawer-body{flex:1;overflow-y:auto;padding:16px 20px}
.drawer-foot{border-top:1px solid var(--line);padding:16px 20px;background:#fbfcfd}
.qline{display:flex;gap:11px;padding:12px 0;border-bottom:1px solid var(--line-2);align-items:flex-start}
.qline:last-child{border-bottom:0}
.qline .pn{font-family:var(--mono);font-size:12px;font-weight:700;color:var(--navy-700);line-height:1.35;word-break:break-all}
.qline .meta{font-size:11px;color:var(--ink-4);margin-top:3px}
.qline .rm{background:none;border:0;color:var(--ink-4);font-size:17px;line-height:1;padding:0 2px;flex-shrink:0}
.qline .rm:hover{color:var(--red)}
.qempty{text-align:center;padding:52px 20px;color:var(--ink-4)}
.qempty b{display:block;color:var(--ink-2);font-size:14px;margin:12px 0 5px}
.qempty p{font-size:12.5px}
.drawer-total{display:flex;justify-content:space-between;font-size:13px;margin-bottom:12px;font-weight:700;color:var(--ink-2)}

/* ---------- toast ---------- */
.toast-wrap{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);z-index:300;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}
.toast{
  background:var(--navy-900);color:#fff;font-size:13px;font-weight:600;padding:11px 20px;
  border-radius:var(--r-sm);box-shadow:var(--shadow-3);display:flex;align-items:center;gap:9px;
  animation:toastIn .25s ease;max-width:calc(100vw - 40px);
}
.toast.ok{border-left:3px solid var(--green)}
.toast.warn{border-left:3px solid var(--amber)}
@keyframes toastIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}

/* ---------- misc ---------- */
.demo-note{
  display:flex;gap:10px;align-items:flex-start;background:var(--amber-soft);
  border:1px solid #f2d79a;border-left:3px solid var(--amber);border-radius:var(--r-sm);
  padding:11px 14px;font-size:11.5px;color:#7a5200;line-height:1.55;margin-bottom:18px;
}
.demo-note svg{flex-shrink:0;margin-top:1px}
.demo-note b{color:#633f00}
.badge-demo{
  font-size:9.5px;font-weight:800;letter-spacing:.07em;text-transform:uppercase;
  background:var(--amber);color:var(--navy-900);padding:2px 6px;border-radius:2px;vertical-align:middle;
}
.hr{height:1px;background:var(--line);margin:26px 0}

@media (max-width:1100px){
  .cat-grid{grid-template-columns:repeat(4,1fr)}
  .prod-grid{grid-template-columns:repeat(3,1fr)}
  .brand-grid{grid-template-columns:repeat(4,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr 1fr;gap:28px}
  .vp-grid{grid-template-columns:repeat(3,1fr)}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .cat-layout{grid-template-columns:1fr}
  .filter-panel{position:static}
  .pd-layout,.bom-input-grid,.contact-grid,.about-grid,.split{grid-template-columns:1fr;gap:26px}
  .seg-grid{grid-template-columns:repeat(2,1fr)}
  .res-stats{grid-template-columns:repeat(2,1fr)}
  .head-search{display:none}
}
@media (max-width:820px){
  .main-nav .wrap{display:none}
  .burger{display:block}
  .util-l span:nth-child(n+2){display:none}
  .util-r span{display:none}
  .logo-txt b{font-size:15px}
  .logo-txt small{font-size:8.5px;letter-spacing:.1em}
  .prod-grid,.cat-grid{grid-template-columns:repeat(2,1fr)}
  .brand-grid{grid-template-columns:repeat(3,1fr)}
  .stat-band{grid-template-columns:repeat(2,1fr)}
  .hero-stats{flex-wrap:wrap;gap:14px}
  .hero-stat{border-right:0;margin-right:0;padding-right:0;min-width:44%}
  .cta-in{flex-direction:column;align-items:flex-start}
  .foot-grid{grid-template-columns:1fr 1fr}
  .form-grid{grid-template-columns:1fr}
  .spec-grid{grid-template-columns:1fr}
  .sec{padding:38px 0}
  .head-actions .head-act span{display:none}
  .bom-actions{flex-direction:column;align-items:stretch}
}
@media (max-width:560px){
  .wrap{padding:0 16px}
  .prod-grid,.cat-grid,.brand-grid,.seg-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .hero-inner{padding:44px 0 38px}
  .head-main{height:64px;gap:14px}
  .logo-mark{width:33px;height:33px;font-size:14px}
  table.data{font-size:11.5px}
  table.data thead th,table.data tbody td{padding:8px 9px}
  .res-stats{grid-template-columns:1fr 1fr}
}