* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f4f4f4;
}

.container {
    width: 80%;
    margin: 0 auto;
    padding: 20px;
}

header {
    background-color: #333;
    color: #fff;
    padding: 20px 0;
    text-align: center;
}

header h1 {
    font-size: 3rem;
}

header nav ul {
    list-style-type: none;
    margin-top: 10px;
}

header nav ul li {
    display: inline;
    margin-right: 20px;
}

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

.section {
    margin: 40px 0;
}

h2 {
    margin-bottom: 20px;
    font-size: 2rem;
}

.categories {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.category {
    background-color: #fff;
    padding: 20px;
    width: 45%;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s;
}

.category:hover {
    transform: scale(1.05);
}

form {
    display: flex;
    flex-direction: column;
}

form label, form input, form textarea {
    margin-bottom: 10px;
}

form input, form textarea {
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

button {
    padding: 10px;
    background-color: #333;
    color: white;
    border: none;
    cursor: pointer;
    border-radius: 5px;
}

button:hover {
    background-color: #555;
}

footer {
    background-color: #333;
    color: #fff;
    padding: 20px 0;
    text-align: center;
}

footer p {
    font-size: 1rem;
}

/* Mobile Styles */
@media (max-width: 768px) {
    .container {
        width: 90%;
    }

    header h1 {
        font-size: 2.5rem;
    }

    header nav ul li {
        display: block;
        margin: 10px 0;
        text-align: center;
    }

    .categories {
        display: block;
    }

    .category {
        width: 100%;
        margin-bottom: 20px;
    }

    button {
        padding: 15px;
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    form input, form textarea {
        font-size: 0.9rem;
    }

    button {
        font-size: 1rem;
    }
}