:root{
  --navy:#071a33;
  --navy-2:#0b2346;
  --blue:#1b4aa5;
  --sky:#4aa3ff;
  --energy:#ffb703;
  --bg:#ffffff;
  --muted:#5b667a;
  --card:#f7f9fc;
  --border:#e7ecf4;
  --shadow:0 10px 30px rgba(7,26,51,.08);
  --radius:18px;
  --radius-sm:14px;
  --max:1160px;
  --font: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--navy);background:var(--bg);line-height:1.55;}
a{color:inherit}
img{max-width:100%;height:auto}
.container{width:min(var(--max), calc(100% - 40px)); margin:0 auto;}
.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--border);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 0;}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;}
.brand .logo{width:44px;height:44px;border-radius:12px;background:#fff;border:1px solid var(--border);display:grid;place-items:center;overflow:hidden;}
.brand .logo img{width:100%;height:100%;object-fit:contain;padding:6px;}
.brand .title{display:flex;flex-direction:column;line-height:1.15}
.brand .title b{font-size:16px;letter-spacing:.2px}
.brand .title span{font-size:13px;color:var(--muted)}
.nav{display:flex;align-items:center;gap:22px;}
.nav a{text-decoration:none;font-weight:600;color:var(--navy-2);padding:10px 10px;border-radius:12px;}
.nav a:hover{background:var(--card)}
.lang-toggle{display:flex;align-items:center;gap:10px;border:1px solid var(--border);border-radius:999px;padding:6px 10px;color:var(--muted);font-weight:700;font-size:12px;}
.lang-toggle a{text-decoration:none;padding:6px 10px;border-radius:999px;}
.lang-toggle a.active{background:var(--navy);color:#fff;}
.cta{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:999px;background:var(--navy);color:#fff;text-decoration:none;font-weight:800;box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.08);}
.cta:hover{filter:brightness(1.05)}
.cta.secondary{background:#fff;color:var(--navy);border:1px solid var(--border);box-shadow:none;}
.menu-toggle{display:none}
.hero{padding:66px 0 28px;background:radial-gradient(900px 400px at 70% -10%, rgba(74,163,255,.22), transparent 60%),radial-gradient(700px 360px at 20% 10%, rgba(255,183,3,.18), transparent 55%);}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:30px;align-items:center;}
.kicker{display:inline-flex;align-items:center;gap:10px;padding:8px 12px;border-radius:999px;border:1px solid var(--border);background:#fff;color:var(--muted);font-weight:700;font-size:12px;}
.kicker .dot{width:8px;height:8px;border-radius:999px;background:var(--energy)}
h1{margin:14px 0 10px;font-size:44px;line-height:1.1;}
.lead{color:var(--muted);font-size:16px;margin:0 0 20px;max-width:58ch;}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;}
.hero-card h3{margin:0 0 10px}
.badges{display:grid;gap:10px}
.badge{display:flex;gap:12px;align-items:flex-start;padding:12px;border-radius:16px;background:var(--card);border:1px solid var(--border);}
.badge b{display:block}
.badge span{color:var(--muted);font-size:13px}
.section{padding:54px 0}
.section.alt{background:var(--card);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section h2{margin:0 0 10px;font-size:28px}
.section p.sub{margin:0 0 22px;color:var(--muted);max-width:74ch}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);}
.card h3{margin:0 0 8px}
.card p{margin:0;color:var(--muted)}
.icon{width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg, rgba(27,74,165,.14), rgba(74,163,255,.18));display:grid;place-items:center;border:1px solid rgba(27,74,165,.18);margin-bottom:10px;font-weight:900;}
.icon.energy{background:linear-gradient(135deg, rgba(255,183,3,.18), rgba(74,163,255,.12));border-color:rgba(255,183,3,.25)}
.list{margin:0;padding:0;list-style:none;display:grid;gap:10px;}
.list li{padding:12px 12px;background:#fff;border:1px solid var(--border);border-radius:16px;color:var(--navy-2);}
.list li small{display:block;color:var(--muted)}
.products{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.product{display:flex;flex-direction:column;gap:10px;}
.product .meta{color:var(--muted);font-size:13px}
.pill{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:rgba(74,163,255,.12);color:var(--blue);font-weight:800;font-size:12px;border:1px solid rgba(74,163,255,.18);width:max-content;}
.pill.energy{background:rgba(255,183,3,.16);border-color:rgba(255,183,3,.22);color:#8a5a00}
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
.step{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.step b{display:flex;align-items:center;gap:10px}
.step b i{width:28px;height:28px;border-radius:10px;display:grid;place-items:center;background:var(--navy);color:#fff;font-style:normal;font-size:12px;}
.step p{margin:10px 0 0;color:var(--muted);font-size:14px}
.faq details{background:#fff;border:1px solid var(--border);border-radius:16px;padding:12px 14px;}
.faq summary{cursor:pointer;font-weight:800}
.faq p{margin:10px 0 0;color:var(--muted)}
.form{display:grid;gap:12px}
.field{display:grid;gap:6px}
label{font-weight:800;font-size:13px}
input,textarea,select{width:100%;padding:12px 12px;border-radius:14px;border:1px solid var(--border);font:inherit;}
textarea{min-height:120px;resize:vertical}
.notice{padding:12px 14px;border-radius:14px;border:1px solid var(--border);background:#fff;}
.notice.ok{border-color:rgba(45,160,90,.35);background:rgba(45,160,90,.08)}
.notice.err{border-color:rgba(200,60,60,.35);background:rgba(200,60,60,.08)}
.form-actions{display:flex;gap:10px;flex-wrap:wrap}
button{cursor:pointer;border:0;font:inherit}
button.primary{padding:12px 18px;border-radius:999px;background:var(--navy);color:#fff;font-weight:900;}
button.primary:hover{filter:brightness(1.05)}
.site-footer{background:var(--navy);color:#fff;padding:42px 0;margin-top:40px;}
.footer-grid{display:grid;grid-template-columns:1.3fr .7fr .8fr;gap:18px}
.footer-grid a{color:#fff;text-decoration:none;opacity:.9}
.footer-grid a:hover{opacity:1}
.footer-muted{opacity:.78;color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:22px;padding-top:14px;opacity:.78;font-size:13px}
@media (max-width:960px){
  h1{font-size:36px}
  .hero-grid{grid-template-columns:1fr}
  .grid-3,.products,.process{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .nav{display:none}
  .menu-toggle{display:inline-flex;padding:10px 12px;border-radius:12px;border:1px solid var(--border);background:#fff;font-weight:900}
  .nav.open{display:flex;position:absolute;left:0;right:0;top:74px;background:#fff;border-bottom:1px solid var(--border);padding:12px 20px;flex-wrap:wrap;}
}