body {
  font-family: "Vazirmatn", sans-serif;
  margin: 0;
  padding: 0;
  background-color: #0e0e0e;
  color: #fff;
}
.product-grid {
  display:flex;
  flex-wrap:wrap;
  gap:15px;
  justify-content:center;
  padding:20px;
}

.card {
  background:#111;
  padding:15px;
  border-radius:10px;
  width:260px;
  text-align:center;
}
.card img {
  width:100%;
  border-radius:10px;
}
.btn-buy {
  background-color: #1f1f1f;
  color: #f5c518;
  border: 2px solid #f5c518;
  padding: 12px 25px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
}

.btn-buy:hover {
  background-color: #f5c518;
  color: #1f1f1f;
  transform: translateY(-3px);
  box-shadow: 0 6px 15px rgba(0,0,0,0.6);
}

header, footer {
  background-color: #000;
  padding: 15px;
  text-align: center;
}
header h1 {
  color: #f5c518;
  margin: 0;
}
nav a {
  color: #f5c518;
  text-decoration: none;
  margin: 0 10px;
  font-weight: bold;
  font-size: 18px;
}
nav a:hover {
  color: #00ff66;

}
main {
  padding: 40px;
  text-align: center;
}
h2 {
  color: #f5c518;
  text-align: center;
}
footer {
  color: #888;
  margin-top: 50px;
}