* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background-color: #f4f4f9;
    color: #333;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

header {
    background-color: #2c3e50;
    color: white;
    padding: 1rem 0;
    margin-bottom: 2rem;
}

header h1 {
    display: inline-block;
}

header nav {
    float: right;
    margin-top: 10px;
}

header nav ul {
    list-style: none;
}

header nav ul li {
    display: inline;
    margin-left: 15px;
}

header nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: bold;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 2rem;
}

.product-card {
    background: white;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 15px;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.product-card img {
    max-width: 100%;
    border-radius: 5px;
    margin-bottom: 15px;
}

.product-card h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: #2c3e50;
}

.product-card .price {
    color: #e74c3c;
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 15px;
}

.btn {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
    width: 100%;
}

.btn:hover {
    background-color: #2980b9;
}

footer {
    background-color: #2c3e50;
    color: white;
    text-align: center;
    padding: 1rem 0;
    margin-top: auto;
}