body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1em;
    background-color: #333;
    color: #fff;
}
header .logo h1 {
    margin: 0;
}
nav ul {
    list-style: none;
    display: flex;
    gap: 1em;
}
nav ul li a {
    color: #fff;
    text-decoration: none;
}
#hero {
    text-align: center;
    padding: 2em;
    background-color: #f4f4f4;
}
#hero .btn {
    background-color: #007BFF;
    color: #fff;
    padding: 0.5em 1em;
    border: none;
    cursor: pointer;
}
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1em;
    padding: 2em;
}
.product img {
    width: 100%;
    height: auto;
}
footer {
    text-align: center;
    padding: 1em;
    background-color: #333;
    color: #fff;
}