:root{
  --accent:#222;
  --muted:#666;
  --bg:#fff;
  --card:#fafafa;
  --accent-2:#c0392b;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
}
*{box-sizing:border-box}
html,body{height:100%;margin:0;background:var(--bg);color:var(--accent)}
.site-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid #eee;gap:12px}
.brand{display:flex;align-items:center;gap:12px}
.logo{height:64px;width:auto}
.site-name{font-size:28px;margin:0;color:var(--accent)}
.main-nav a{margin-left:12px;text-decoration:none;color:var(--muted);font-weight:600;padding:6px 8px;border-radius:6px}
.main-nav a:hover{background:#f0f0f0;color:var(--accent)}

.hero{display:flex;align-items:center;gap:16px;padding:18px;flex-wrap:wrap}
.hero-banner{height:140px;object-fit:cover;border-radius:8px;flex:1 1 320px}
.hero-cta{flex:1 1 260px}
.hero-cta h2{margin:0 0 8px 0;font-size:20px}
.btn{display:inline-block;background:var(--accent-2);color:#fff;padding:10px 14px;border-radius:8px;text-decoration:none;border:none;cursor:pointer}
.products{padding:18px}
.product-grid{display:flex;gap:14px;flex-wrap:wrap}
.product{background:var(--card);padding:12px;border-radius:8px;flex:1 1 220px;max-width:320px}
.product img{width:100%;height:260px;object-fit:cover;border-radius:6px}
.price{color:var(--accent-2);font-weight:700}

.details{padding:18px}
.detail{background:#fff;padding:12px;border-radius:8px;margin-bottom:12px;border:1px solid #eee}
.detail-body{display:flex;gap:12px;flex-wrap:wrap}
.detail-body img{width:260px;height:320px;object-fit:cover;border-radius:6px}
.detail-text{flex:1 1 220px;color:var(--muted)}

.contact{padding:18px}
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.contact-card{background:var(--card);padding:12px;border-radius:8px}
.social-links{display:flex;flex-direction:column;gap:6px}
.social{display:inline-block;padding:8px 10px;border-radius:6px;background:#fff;text-decoration:none;color:var(--accent);border:1px solid #eee}

.site-footer{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-top:1px solid #eee;font-size:14px;color:var(--muted)}

@media (max-width:720px){
  .logo{height:56px}
  .site-name{font-size:20px}
  .hero-banner{height:120px}
  .product img{height:200px}
  .detail-body img{width:100%;height:220px}
  .detail-body{flex-direction:column}
}