body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f8f9fa;
}

header {
    background: #007bff;
    color: white;
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    margin: 0;
}

nav a {
    color: white;
    margin: 0 10px;
    text-decoration: none;
}

.hero {
    text-align: center;
    padding: 50px 20px;
    background: #e9f5ff;
}

.hero h2 {
    color: #007bff;
}

.hero button {
    padding: 10px 20px;
    background: #007bff;
    color: white;
    border: none;
    cursor: pointer;
    font-size: 16px;
}

.products {
    display: flex;
    justify-content: center;
    gap: 20px;
    padding: 20px;
}

.card {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    text-align: center;
    width: 200px;
}

.card h3 {
    color: #007bff;
}

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

footer {
    background: #007bff;
    color: white;
    text-align: center;
    padding: 10px;
    margin-top: 20px;
}