:root{
  --bg:#ffffff;
  --text:#0f172a;
  --muted:#475569;
  --brand:#0ea5e9;
  --accent:#10b981;
  --card:#f8fafc;
  --border:rgba(15,23,42,.1);
}
*{box-sizing:border-box}html,body{margin:0;padding:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.55}
.wrap{max-width:1140px;margin:0 auto;padding:0 18px}
.site-header{position:sticky;top:0;background:rgba(255,255,255,.9);backdrop-filter:saturate(1.2) blur(6px);border-bottom:1px solid var(--border);z-index:20}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;min-height:64px}
.logo{font-weight:700;color:var(--text);text-decoration:none}
.logo .logo-mark{color:var(--brand);margin-right:8px}
.nav a{color:var(--muted);text-decoration:none;margin-left:16px}
.nav a:hover{color:var(--text)}
.nav .cta{padding:10px 14px;border-radius:10px;background:linear-gradient(90deg,var(--brand),#38bdf8);color:white}
.hero{background:linear-gradient(135deg,#e0f2fe 0%, #f0fdf4 100%);border-bottom:1px solid var(--border)}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;padding:48px 0}
.hero-copy h1{font-size:clamp(28px,3.2vw,42px);margin:0 0 8px}
.hero-copy p{color:var(--muted);margin:0 0 14px}
.badges span{display:inline-block;border:1px solid var(--border);background:#fff;padding:6px 10px;border-radius:999px;margin:0 8px 8px 0;color:var(--muted)}
.btn{display:inline-block;background:var(--brand);color:#fff;text-decoration:none;padding:10px 16px;border-radius:10px}
.hero-art{background: url('../img/receivers/hero-receiver.png') center/contain no-repeat; min-height: 320px; border-radius: 16px; background-color:#f5f7fb; box-shadow: 0 8px 24px rgba(2,6,23,.10);}

.grid{display:grid;gap:18px}
.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px}
@media(max-width:1000px){.grid-3{grid-template-columns:1fr} .hero-inner{grid-template-columns:1fr}}

section{padding:28px 0}
.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:18px}
.card h2,.card h3{margin:0 0 8px}
.small{font-size:.925rem;color:var(--muted)}
.kpi{display:flex;gap:16px;flex-wrap:wrap}
.kpi .pill{background:#fff;border:1px solid var(--border);padding:8px 10px;border-radius:10px}

.table{width:100%;border-collapse:collapse}
.table th,.table td{border-bottom:1px solid var(--border);padding:8px 10px;text-align:left}
.table th{background:#fff}

.notice{background:#ecfeff;border:1px solid #bae6fd;color:#0c4a6e;border-radius:10px;padding:12px;margin:6px 0 0}

.product-grid-4{display:grid;gap:16px}
@media(min-width:1100px){.product-grid-4{grid-template-columns:1.1fr .9fr .9fr .8fr}}
.receiver-card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:12px;display:flex;align-items:center;justify-content:center}
.receiver-card img{max-width:100%;height:240px;object-fit:contain;border-radius:12px;background:#fff;padding:6px;border:1px solid var(--border)}
@media(min-width:1360px){.receiver-card img{height:260px}}

.cta-row{display:flex;gap:12px;flex-wrap:wrap}
footer{border-top:1px solid var(--border);margin-top:28px;padding:28px 0;background:#fcfcfd}
footer h4{margin:0 0 8px}
footer a{color:var(--muted)}

/* Added responsive media helpers */
.media-responsive, .product-img, .receiver-img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  border: 1px solid rgba(15,23,42,.08);
  background: #fff;
}
.image-strip { display:grid; grid-template-columns: repeat(auto-fill,minmax(160px,1fr)); gap:12px; }
.image-strip img { width:100%; height:auto; object-fit:contain; background:#fff; padding:6px; border-radius:10px; border:1px solid rgba(15,23,42,.06); }
.card.receiver-card img { width:100%; max-width:420px; margin:auto; }

.hero .wrap.hero-inner{display:grid;grid-template-columns:1.2fr 1fr;gap:24px;align-items:center;}
@media(max-width:900px){.hero .wrap.hero-inner{grid-template-columns:1fr;}.hero-art{background: url('../img/receivers/hero-receiver.png') center/contain no-repeat; min-height: 320px; border-radius: 16px; background-color:#f5f7fb; box-shadow: 0 8px 24px rgba(2,6,23,.10);}}