:root{
  --brand:#2563eb;
  --ink:#0f1a2a;
  --muted:#6b7280;
  --soft:#f4f7fc;
  --line:#e6e9f0;
  --radius:16px;
  --shadow:0 8px 28px rgba(15,26,42,.08);
  --card:#ffffff;
  --bg:#ffffff;
}
*{box-sizing:border-box}
html,body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--ink);
  font-family:Inter,system-ui,Segoe UI,Arial,sans-serif;
}
a{color:var(--brand);text-decoration:none}
.container{max-width:1120px;margin:0 auto;padding:20px}
header{display:flex;align-items:center;gap:16px;padding:14px 0}
header .brand{font-weight:800;color:var(--brand);font-size:20px}
header nav{margin-left:auto}
header nav a{color:var(--muted);font-size:14px}

.hero{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:22px;
  margin-top:8px;
}
.card{
  background:var(--card);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:18px;
}
.card img{
  width:100%;
  height:auto;
  display:block;
  border-radius:12px;
  object-fit:contain;
}

h1{margin:4px 0 10px;font-size:28px;line-height:1.2}
h2{margin:18px 0 8px;font-size:22px}
p{line-height:1.7}
.muted{color:var(--muted)}

.btn{
  display:inline-block;
  background:var(--brand);
  color:#fff;
  padding:12px 18px;
  border-radius:12px;
}
.btn.dark{background:#111}

.pricebox{
  display:flex;
  align-items:center;
  gap:10px;
  margin-top:10px;
  flex-wrap:wrap;
}
.price{font-size:22px;font-weight:800}
.badge{
  background:#eef4ff;
  color:#1e40af;
  border:1px solid #dbeafe;
  padding:4px 10px;
  border-radius:999px;
  font-size:12px;
}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}

.pill{
  display:inline-block;
  background:#eff6ff;
  border:1px solid #dbeafe;
  color:#1e3a8a;
  padding:6px 10px;
  border-radius:999px;
  font-size:12px;
  margin:4px 6px 0 0;
}

.specs{width:100%;border-collapse:collapse}
.specs td{
  padding:10px;
  border-bottom:1px solid var(--line);
  font-size:14px;
  vertical-align:top;
}

.features{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:12px;
}
.feature{
  background:var(--soft);
  border:1px solid var(--line);
  padding:14px;
  border-radius:12px;
}

.gallery{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:12px;
}
.gallery img{
  width:100%;
  height:260px;
  object-fit:contain;
  background:#f8fafc;
}

.faq-item{
  border-bottom:1px solid var(--line);
  padding:12px 0;
}

.sticky-bar{
  position:sticky;
  bottom:12px;
  z-index:20;
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  padding:10px 12px;
  border-radius:14px;
  display:flex;
  gap:12px;
  align-items:center;
  justify-content:space-between;
  margin-top:18px;
}

footer{
  margin-top:24px;
  padding:20px 0;
  color:var(--muted);
  font-size:14px;
  text-align:center;
}

@media(max-width:980px){
  .hero{grid-template-columns:1fr}
}
@media(max-width:560px){
  .container{padding:14px}
  h1{font-size:22px}
  h2{font-size:20px}
  .grid-3{grid-template-columns:1fr 1fr}
  .grid-2{grid-template-columns:1fr}
  .sticky-bar{flex-direction:column;align-items:stretch}
  .btn{text-align:center}
  .gallery img{height:auto}
}