body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f5f6fa;
}

header {
    background: #111;
    color: #fff;
    padding: 15px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header img {
    height: 50px;
}

nav a {
    color: #fff;
    margin-left: 20px;
    text-decoration: none;
}

.hero {
    padding: 60px;
    background: #222;
    color: #fff;
    text-align: center;
}

main {
    padding: 40px;
}

.products {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.product-card {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 3px 8px rgba(0,0,0,0.1);
}

.product-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.btn-buy {
    display: inline-block;
    margin-top: 10px;
    padding: 10px 20px;
    background: #007bff;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
}

footer {
    background: #111;
    color: #fff;
    padding: 20px;
    text-align: center;
}