:root{
  --bg:#f6f7fb;
  --card:#ffffff;
  --muted:#6b7280;
  --accent:#0f172a;
  --primary:#0b6efd;
  --radius:16px;
  --maxw:1100px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  background:var(--bg);
  color:var(--accent);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.5;
}

/* Layout */
.container{max-width:var(--maxw);margin:0 auto;padding:28px;}
.header{
  display:flex;align-items:center;justify-content:space-between;padding:18px 0;
}
.brand{display:flex;align-items:center;gap:12px}
.brand img{width:56px;height:56px;border-radius:12px;object-fit:cover}
.brand h1{font-size:20px;margin:0;letter-spacing:0.2px}
.nav{display:flex;gap:18px;align-items:center}
.nav a{color:var(--accent);text-decoration:none;font-weight:600}
.cta{background:var(--primary);color:white;padding:10px 14px;border-radius:10px;text-decoration:none;font-weight:700}

/* Rounded banner card */
.banner-card {
    width: 100%;
    max-width: 1100px;
    margin: 20px auto;
    border-radius: 22px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.45);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 12px 40px rgba(11,24,45,0.08);
}

/* Hero and products */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;margin-top:22px}
.card{
  background:var(--card);
  border-radius:12px;padding:14px;box-shadow:0 8px 26px rgba(11,24,45,0.04);
  display:flex;flex-direction:column;align-items: center; align-self: center;
}
.card img{width:350px;height:350px;object-fit:cover;border-radius: }
.card h3{margin:0;font-size:16px}
.card p{margin:0;color:var(--muted);font-size:14px}

/* Cart */
.cart-btn{position:fixed;right:20px;bottom:20px;padding:12px 16px;border-radius:12px;background:var(--primary);color:#fff;font-weight:700;z-index:60;border:none;cursor:pointer}
.cart-panel{position:fixed;right:20px;bottom:80px;width:360px;max-height:75vh;overflow:auto;background:var(--card);box-shadow:0 12px 40px rgba(11,24,45,0.12);border-radius:12px;padding:14px;z-index:60}
.qty-input{width:70px;padding:8px;border-radius:8px;border:1px solid #e6e9ef}

/* Footer */
.footer{margin-top:30px;padding:18px;border-radius:12px;background:transparent;display:flex;justify-content:space-between;align-items:center;color:var(--muted)}

/* Responsive */
@media (max-width:900px){
  .header{flex-direction:column;align-items:flex-start;gap:12px}
  .brand h1{font-size:18px}
  .cart-panel{right:12px;left:12px;width:auto}
}