:root{
  --navy:#071c3f; --navy2:#0b2f63; --red:#ef2736; --orange:#ff861f;
  --blue:#0a4eaa; --pale:#eef6ff; --ink:#0b1f3a; --muted:#5b6b7f;
  --line:#dfe6ef; --paper:#fff; --soft:#f6f8fb; --shadow:0 12px 34px rgba(7,28,63,.10);
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;color:var(--ink);background:#fff}
a{text-decoration:none;color:inherit}img{max-width:100%;display:block}
.wrap{width:min(1180px,92%);margin:auto}
.topbar{background:var(--navy);color:#fff;font-size:13px}.topbar .wrap{display:flex;justify-content:space-between;align-items:center;padding:8px 0;gap:18px}.top-links{display:flex;gap:18px;flex-wrap:wrap}
.header{position:sticky;top:0;background:rgba(255,255,255,.97);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);z-index:20}
.nav{height:82px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;min-width:245px}
.brand img{width:165px;max-height:56px;object-fit:contain}
.brand-legal{font-size:9px;line-height:1.15;color:#536277;font-weight:700;max-width:170px;text-transform:uppercase}
.logo-fallback{display:none;font-weight:900;font-size:27px;letter-spacing:1px;color:#073d7b}.logo-fallback b{color:#d82232}
.menu{display:flex;align-items:center;gap:24px;font-size:14px;font-weight:650}.menu a:hover{color:var(--accent)}
.lang{display:flex;gap:5px}.lang button,.lang a{border:1px solid var(--line);background:#fff;padding:8px 10px;border-radius:8px;cursor:pointer;font-weight:800;display:inline-block}.lang button.active,.lang a.active{background:var(--navy);color:#fff}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 22px;border-radius:7px;font-weight:800;border:1px solid transparent;gap:8px;cursor:pointer}
.btn-primary{background:var(--accent);color:#fff}.btn-outline{border-color:#fff;color:#fff}.btn-navy{background:var(--navy);color:#fff}.btn-white{background:#fff;color:var(--navy)}
.hamb{display:none;border:0;background:transparent;font-size:29px;color:var(--navy)}
.hero{position:relative;overflow:hidden;background:linear-gradient(100deg,var(--hero1),var(--hero2));color:white;min-height:430px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;min-height:430px}
.hero-copy{padding:54px 0 65px;position:relative;z-index:3}.eyebrow{font-size:17px;margin-bottom:9px;opacity:.96}
.hero h1{font-size:48px;line-height:1.04;margin:0 0 16px;max-width:650px;letter-spacing:-1.2px}.hero h1 .accent{color:var(--accent)}
.hero p{font-size:18px;line-height:1.55;max-width:620px;color:#eef5ff;margin-bottom:28px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-media{height:100%;min-height:430px;background:center/cover no-repeat;position:relative}.hero-media:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--hero2),transparent 40%)}
.stats{margin-top:-34px;position:relative;z-index:4}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-radius:14px;box-shadow:var(--shadow);overflow:hidden}
.stat{padding:20px 22px;display:flex;gap:13px;align-items:center;border-right:1px solid var(--line)}.stat:last-child{border-right:0}.stat-icon{font-size:29px;color:var(--accent)}.stat strong{display:block;font-size:19px}.stat span{font-size:12px;color:var(--muted)}
.section{padding:64px 0}.section.softbg{background:#f5f8fc}.section.palebg{background:var(--pale)}
.section-head{text-align:center;margin:0 auto 34px;max-width:800px}.section-head h2{font-size:35px;margin:0 0 11px}.section-head p{margin:0;color:var(--muted);font-size:16px;line-height:1.6}.underline{width:44px;height:3px;background:var(--accent);margin:11px auto}
.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.cards4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.cards2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:25px;box-shadow:0 7px 22px rgba(12,42,85,.04);transition:.2s}.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.card .icon{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;background:var(--iconbg);color:var(--accent);font-size:25px;margin-bottom:14px}.card h3{font-size:18px;margin:0 0 10px}.card p{color:var(--muted);line-height:1.55;margin:0 0 14px}.link{font-weight:800;font-size:13px;color:var(--accent)}
.project{padding:0;overflow:hidden}.project img{width:100%;height:170px;object-fit:cover}.project .body{padding:18px 20px}.project h3{font-size:17px;margin:0 0 8px}.project p{font-size:14px}
.feature{text-align:center;padding-top:0;position:relative}.feature .icon{margin:-26px auto 18px;border:5px solid var(--pale)}
.split-cta{background:linear-gradient(110deg,var(--navy),#0b3d79);color:#fff}.cta-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:34px;align-items:center}.cta-grid h2{font-size:34px;margin:0 0 12px}.cta-grid p{color:#dbe7f6}.contact-lines{display:grid;gap:12px;font-size:15px}
.footer{background:#061a38;color:#fff;padding:42px 0 22px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:45px}.footer h4{margin:0 0 15px}.footer a,.footer p{font-size:13px;color:#d6e0ed}.footer .brand-legal{color:#b9c6d8}.copy{border-top:1px solid rgba(255,255,255,.12);margin-top:28px;padding-top:18px;font-size:12px;color:#b7c3d2}
.subhero{background:linear-gradient(110deg,var(--hero1),var(--hero2));color:#fff;padding:70px 0}.subhero h1{font-size:42px;margin:0 0 15px}.subhero p{max-width:760px;font-size:18px;line-height:1.55;color:#e6effa}
.portal{min-height:100vh;background:#071a37;color:#fff;display:flex;flex-direction:column}.portal-head{padding:22px 0;display:flex;justify-content:space-between;align-items:center;gap:20px}.portal .brand-legal{color:#cbd7e7}
.portal-title{text-align:center;padding:34px 0 30px}.portal-title h1{font-size:42px;margin:0 0 10px}.portal-title p{color:#c8d6e9;margin:0}
.divisions{display:grid;grid-template-columns:1fr 1fr;gap:24px;padding-bottom:60px}.division{min-height:480px;border-radius:20px;overflow:hidden;position:relative;box-shadow:0 16px 48px rgba(0,0,0,.25);background-size:cover;background-position:center}
.division:before{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(4,18,43,.95),rgba(4,18,43,.05) 70%)}.division.electric:before{background:linear-gradient(0deg,rgba(5,52,116,.96),rgba(6,74,160,.08) 70%)}
.division-copy{position:absolute;left:30px;right:30px;bottom:30px;z-index:2}.division-copy h2{font-size:34px;margin:0 0 10px}.division-copy p{line-height:1.5;color:#e4edf8;max-width:520px}.division .tag{display:inline-block;background:var(--accent);padding:7px 11px;border-radius:6px;font-size:12px;font-weight:900;margin-bottom:12px}
.notice{font-size:12px;color:#b8c7da;text-align:center;padding:0 0 25px}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.gallery img{height:220px;width:100%;object-fit:cover;border-radius:12px;background:#e9eef5}
.shop-box{border:2px dashed var(--line);border-radius:16px;padding:32px;background:#fff}.badge{display:inline-block;background:var(--iconbg);color:var(--accent);padding:7px 10px;border-radius:999px;font-size:12px;font-weight:900}
.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px}.mini{padding:20px;border:1px solid var(--line);border-radius:12px;background:#fff}.mini strong{display:block;margin-bottom:6px}.mini span{font-size:13px;color:var(--muted)}
@media(max-width:900px){
 .menu{display:none;position:absolute;left:0;right:0;top:82px;background:#fff;flex-direction:column;align-items:stretch;padding:20px 4%;border-top:1px solid var(--line);box-shadow:var(--shadow)}.menu.open{display:flex}.hamb{display:block}
 .nav{height:76px}.brand{min-width:0}.brand img{width:135px}.brand-legal{display:none}.lang{margin-left:auto}
 .hero-grid{grid-template-columns:1fr}.hero{min-height:auto}.hero-copy{padding:48px 0 34px}.hero h1{font-size:38px}.hero-media{min-height:280px}.hero-media:after{background:linear-gradient(180deg,var(--hero2),transparent 50%)}
 .stats{margin-top:0}.stats-grid{grid-template-columns:1fr 1fr}.stat:nth-child(2){border-right:0}.stat{border-bottom:1px solid var(--line)}
 .cards3{grid-template-columns:1fr 1fr}.cards4{grid-template-columns:1fr 1fr}.cta-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.divisions{grid-template-columns:1fr}.division{min-height:430px}
}
@media(max-width:580px){
 .topbar{display:none}.wrap{width:min(94%,1180px)}.nav{height:70px}.brand img{width:120px}.lang button,.lang a{padding:6px 8px}
 .hero h1{font-size:32px}.hero p{font-size:16px}.hero-media{min-height:240px}.hero-copy{padding-top:36px}.section{padding:48px 0}
 .stats-grid,.cards3,.cards4,.cards2,.gallery,.mini-grid{grid-template-columns:1fr}.stat{border-right:0}.section-head h2{font-size:29px}
 .project img{height:190px}.cta-grid h2{font-size:29px}.footer-grid{grid-template-columns:1fr}.portal-title h1{font-size:32px}.division-copy h2{font-size:28px}.division{min-height:390px}
}


/* V2: detail pages + stronger mobile layout */
.detail-nav{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin:0 0 32px}
.detail-nav a{background:#fff;border:1px solid var(--line);padding:10px 13px;border-radius:999px;font-size:13px;font-weight:800;color:var(--navy);box-shadow:0 4px 14px rgba(7,28,63,.05)}
.detail-nav a:hover{border-color:var(--accent);color:var(--accent)}
.detail-section{scroll-margin-top:105px;padding:34px 0;border-bottom:1px solid var(--line)}
.detail-section:last-child{border-bottom:0}
.detail-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:28px;align-items:start}
.detail-title{background:linear-gradient(145deg,var(--navy),var(--navy2));color:white;border-radius:16px;padding:28px;position:sticky;top:112px}
.detail-title .icon{font-size:34px;margin-bottom:12px;color:var(--accent)}
.detail-title h2{margin:0 0 10px;font-size:27px}.detail-title p{margin:0;color:#dce7f6;line-height:1.55}
.detail-copy{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px;box-shadow:0 8px 24px rgba(7,28,63,.05)}
.detail-copy h3{margin:0 0 14px;font-size:20px}.detail-copy p{color:var(--muted);line-height:1.68}
.detail-copy ul{margin:14px 0 0;padding-left:20px;color:var(--muted);line-height:1.75}
.detail-copy .cta-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
@media(max-width:900px){
 .detail-grid{grid-template-columns:1fr}.detail-title{position:static}.detail-section{scroll-margin-top:85px}
}
@media(max-width:580px){
 body{overflow-x:hidden}.header .wrap{width:94%}.brand{gap:7px}.hero-grid{display:flex;flex-direction:column}.hero-copy{width:100%}.hero-media{width:100%;min-height:220px}
 .hero-actions .btn{width:100%}.stats-grid{border-radius:0}.stats{width:100%}.stat{padding:16px}.card{padding:20px}.cards3,.cards4,.cards2{gap:14px}
 .division-copy{left:20px;right:20px;bottom:20px}.division-copy .btn{width:100%}.portal-head{padding:16px 0}.portal-title{padding-top:22px}.portal-title p{font-size:14px}
 .detail-copy,.detail-title{padding:22px}.detail-title h2{font-size:23px}.detail-nav{justify-content:flex-start;overflow-x:auto;flex-wrap:nowrap;padding-bottom:8px}.detail-nav a{white-space:nowrap}
 .subhero{padding:48px 0}.subhero h1{font-size:34px}.footer{padding-top:34px}.lang{gap:3px}.lang button,.lang a{font-size:12px}
}

.detail-card{cursor:pointer}.detail-card:focus{outline:2px solid var(--accent);outline-offset:3px}


/* V4: local original logo + real electrical application gallery */
.original-logo{object-fit:contain;max-height:54px}
.real-electric-gallery img{border:1px solid var(--line);box-shadow:0 8px 24px rgba(7,28,63,.08);transition:transform .2s ease,box-shadow .2s ease;background:#f2f5f9}
.real-electric-gallery img:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(7,28,63,.14)}
@media(max-width:580px){.real-electric-gallery img{height:230px}.original-logo{max-height:46px}}