:root{
  --navy:#10233c;
  --navy2:#0a1728;
  --blue:#1e6da8;
  --light:#f3f6f9;
  --yellow:#f2c94c;
  --text:#243447;
  --muted:#64748b;
  --border:#dfe7ef;
  --white:#fff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Arial,Helvetica,sans-serif;
  color:var(--text);
  background:#fff;
  line-height:1.55;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1180px,92%);margin:auto}
.topbar{background:#091524;color:#dbe7f1;font-size:14px}
.topbar .container{display:flex;justify-content:space-between;gap:20px;padding:9px 0;flex-wrap:wrap}
.header{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:20}
.header-row{display:flex;align-items:center;justify-content:space-between;gap:25px;padding:15px 0}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--navy);font-size:24px}
.brand-mark{
  width:48px;height:48px;border-radius:8px;background:linear-gradient(145deg,#1e6da8,#10233c);
  color:white;display:grid;place-items:center;font-size:22px;box-shadow:0 6px 18px rgba(16,35,60,.18)
}
.brand small{display:block;color:var(--muted);font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase}
nav{display:flex;gap:24px;align-items:center;font-size:14px;font-weight:700;color:#334155}
nav a:hover{color:var(--blue)}
.hero{
  background:
    radial-gradient(circle at 80% 20%,rgba(74,163,223,.28),transparent 30%),
    linear-gradient(120deg,#0b1b2e 0%,#123d61 55%,#1e6da8 100%);
  color:white;padding:74px 0 64px;overflow:hidden
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:55px;align-items:center}
.eyebrow{display:inline-block;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);padding:7px 12px;border-radius:999px;font-size:13px;font-weight:700;letter-spacing:.04em}
.hero h1{font-size:clamp(36px,5vw,64px);line-height:1.02;margin:18px 0 18px;max-width:760px}
.hero p{font-size:18px;max-width:700px;color:#d8e9f6}
.hero-actions{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.btn{display:inline-block;padding:13px 20px;border-radius:7px;font-weight:800;font-size:14px}
.btn-primary{background:var(--yellow);color:#132238}
.btn-secondary{border:1px solid rgba(255,255,255,.45);color:white}
.hero-card{background:rgba(255,255,255,.96);color:var(--text);border-radius:18px;padding:26px;box-shadow:0 25px 70px rgba(0,0,0,.25)}
.hero-card h3{margin:0 0 8px;color:var(--navy)}
.hero-card ul{padding-left:18px;margin:14px 0 0;color:#475569}
.section{padding:68px 0}
.section.alt{background:var(--light)}
.section-title{text-align:center;max-width:760px;margin:0 auto 35px}
.section-title h2{font-size:34px;color:var(--navy);margin:0 0 8px}
.section-title p{color:var(--muted);margin:0}
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.product-card{border:1px solid var(--border);background:white;border-radius:12px;overflow:hidden;transition:.2s;display:flex;flex-direction:column}
.product-card:hover{transform:translateY(-4px);box-shadow:0 14px 35px rgba(15,23,42,.1)}
.product-art{
  height:205px;background:linear-gradient(160deg,#eaf1f7,#fff);
  display:grid;place-items:center;position:relative;border-bottom:1px solid var(--border)
}
.device{
  width:112px;height:126px;border-radius:14px;background:#263849;border:8px solid #172431;display:flex;align-items:center;justify-content:center;
  color:white;font-size:24px;font-weight:800;box-shadow:0 18px 24px rgba(15,23,42,.15)
}
.device.yellow{border-color:#d7a900;background:#f2c94c;color:#172431}
.device.blue{border-color:#1b5e8f;background:#4aa3df}
.product-body{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1}
.badge{font-size:11px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--blue)}
.product-body h3{font-size:18px;line-height:1.3;margin:0;color:#1f2937}
.product-body p{font-size:14px;color:var(--muted);margin:0}
.price{font-size:20px;font-weight:800;color:var(--navy);margin-top:auto;padding-top:10px}
.card-link{margin-top:10px;color:var(--blue);font-weight:800;font-size:14px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:45px;align-items:center}
.info-panel{background:#0f2741;color:white;border-radius:18px;padding:34px}
.info-panel h2{font-size:33px;margin-top:0}
.info-panel p{color:#d4e1ec}
.checks{display:grid;gap:12px;margin-top:22px}
.check{display:flex;gap:12px;align-items:flex-start}
.check b{color:var(--yellow)}
.brand-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.brand-box{padding:24px 16px;border:1px solid var(--border);border-radius:10px;text-align:center;font-weight:800;color:var(--navy);background:white}
.contact-band{background:var(--blue);color:white;padding:32px 0}
.contact-row{display:flex;justify-content:space-between;gap:20px;align-items:center;flex-wrap:wrap}
.footer{background:#081422;color:#cbd5e1;padding:44px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:38px}
.footer h3{color:white;margin-top:0}
.footer a{color:#dbeafe}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:18px;margin-top:28px;font-size:13px;color:#94a3b8}
.product-page{background:var(--light)}
.product-hero{padding:54px 0;background:linear-gradient(120deg,#0b1b2e,#174d76);color:#fff}
.breadcrumb{font-size:13px;color:#cbd5e1;margin-bottom:10px}
.product-detail{display:grid;grid-template-columns:.8fr 1.2fr;gap:45px;background:#fff;border:1px solid var(--border);border-radius:16px;padding:32px;margin-top:-28px;position:relative}
.big-art{min-height:360px;background:linear-gradient(160deg,#edf4f9,#fff);border:1px solid var(--border);border-radius:12px;display:grid;place-items:center}
.big-art .device{transform:scale(1.45)}
.product-copy h1{color:var(--navy);font-size:36px;line-height:1.15;margin:0 0 12px}
.product-copy .price{font-size:30px;padding:0}
.meta-line{font-size:13px;color:var(--muted)}
.product-copy p{color:#516170}
.callout{background:#f8fafc;border-left:4px solid var(--blue);padding:16px;margin:22px 0}
@media(max-width:950px){
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .hero-grid,.split,.product-detail{grid-template-columns:1fr}
  nav{display:none}
  .brand-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:560px){
  .product-grid{grid-template-columns:1fr}
  .brand-grid{grid-template-columns:1fr}
  .hero{padding:52px 0}
  .section{padding:50px 0}
  .footer-grid{grid-template-columns:1fr}
  .topbar .container{display:block}
  .product-detail{padding:20px}
}