body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
}

header {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 10px 0;
}

header h1 {
    margin: 0;
    font-size: 24px;
}

header p {
    margin: 5px 0;
    font-size: 14px;
}

nav {
    background-color: #222;
}

.menu {
    list-style: none;
    display: flex;
    justify-content: center;
    margin: 0;
    padding: 0;
}

.menu > li {
    position: relative;
}

.menu li a {
    display: block;
    padding: 12px 20px;
    color: white;
    text-decoration: none;
}

.menu li:hover > a {
    background-color: #f1c40f;
    color: black;
}

.submenu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: white;
    min-width: 160px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    z-index: 1000;
}

.submenu li a {
    padding: 10px;
    color: black;
    background-color: white;
}

.dropdown:hover .submenu {
    display: block;
}

main.product-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    padding: 30px;
}

.product-card {
    background: white;
    border-radius: 8px;
    box-shadow: 0 0 5px rgba(0,0,0,0.1);
    padding: 10px;
    width: 200px;
    text-align: center;
}

.product-card img {
    width: 100%;
    height: auto;
    border-radius: 6px;
}

.product-card h3 {
    font-size: 16px;
    margin: 10px 0 5px;
}

.product-card p {
    color: green;
    font-weight: bold;
}

.product-card button {
    background-color: #2ecc71;
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
}

.product-card button:hover {
    background-color: #27ae60;
}