body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    box-sizing: border-box;
}

* {
    box-sizing: inherit;
}

header {
    background-color: #1d3557;
    color: #fff;
    padding: 10px 20px;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    margin: 0;
}

nav ul {
    list-style: none;
    padding: 0;
    display: flex;
    margin: 0;
}

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
}

.hero {
    text-align: center;
    background-color: #457b9d;
    color: #fff;
    padding: 100px 20px 50px;
    margin-top: 60px;
}

.products {
    padding: 20px;
    text-align: center;
}

.product-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    justify-content: center;
    align-items: center;
}

.product-card {
    border: 1px solid #e0e0e0;
    padding: 20px;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.2s;
}

.product-card img {
    max-width: 100%;
    height: auto;
    border-radius: 5px;
}

.product-card:hover {
    transform: scale(1.05);
}

footer {
    text-align: center;
    padding: 10px;
    background: #1d3557;
    color: #fff;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
}