* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: 'Poppins', sans-serif;
  background: #f7f7f7;
  color: #333;
}
header {
  background: #0d47a1;
  color: white;
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
nav a {
  color: white;
  text-decoration: none;
  margin-left: 15px;
}
.hero {
  background: url('https://via.placeholder.com/1200x400?text=Electronics+Banner') no-repeat center;
  background-size: cover;
  text-align: center;
  color: white;
  padding: 4rem 1rem;
}
.products {
  padding: 2rem 1rem;
}
.product-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}
.product {
  background: white;
  border-radius: 10px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  margin: 1rem;
  padding: 1rem;
  width: 200px;
  text-align: center;
}
.product img {
  width: 100%;
  border-radius: 10px;
}
footer {
  background: #222;
  color: white;
  text-align: center;
  padding: 1rem;
  margin-top: 2rem;
}
.whatsapp-btn {
  display: inline-block;
  margin-top: 10px;
  padding: 10px;
  background-color: #25D366;
  color: white;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  transition: background 0.3s;
}
.whatsapp-btn:hover {
  background-color: #128C7E;
}
.portfolio-link {
  text-align: center;
  margin: 2rem 0;
}

.portfolio-link a {
  background: #0d47a1;
  color: white;
  padding: 10px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: background 0.3s ease;
}

.portfolio-link a:hover {
  background: #1565c0;
}