/* General Styles */
body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-image: url('background.jpg'); /* Replace with your background image */
    background-size: cover;
    background-position: center;
    color: #333;
}

header nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: rgba(0, 0, 0, 0.8);
    padding: 10px 20px;
}

header nav .logo {
    height: 50px;
    border-radius: 50%;
}

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

header nav ul li {
    margin: 0 15px;
}

header nav ul li a {
    text-decoration: none;
    color: white;
    font-weight: bold;
    transition: color 0.3s;
}

header nav ul li a:hover {
    color: #f0a500;
}

/* Welcome Section */
main .welcome {
    text-align: center;
    margin-top: 100px;
    color: white;
}

main .welcome h1 {
    font-size: 3em;
    margin-bottom: 20px;
}

main .welcome p {
    font-size: 1.2em;
    margin-bottom: 30px;
}

main .welcome .btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: #007BFF;
    color: white;
    text-decoration: none;
    font-size: 1.2em;
    border-radius: 5px;
    transition: background-color 0.3s;
}

main .welcome .btn:hover {
    background-color: #0056b3;
}

/* Footer */
footer {
    text-align: center;
    padding: 10px;
    background-color: rgba(0, 0, 0, 0.8);
    color: white;
    position: fixed;
    bottom: 0;
    width: 100%;
}

/* Contact Page Styles */
form {
    max-width: 600px;
    margin: 20px auto;
    padding: 20px;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

form label {
    font-weight: bold;
    display: block;
    margin-bottom: 5px;
}

form input, form textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

form button {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    background-color: #007BFF;
    color: white;
    font-size: 1em;
    cursor: pointer;
}

form button:hover {
    background-color: #0056b3;
}

/* Catalog Page Styles */
.catalog {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    padding: 20px;
}

.book {
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    padding: 15px;
    width: 250px;
    text-align: center;
}

.book h2 {
    font-size: 1.5em;
    margin-bottom: 10px;
}

.book p {
    margin: 5px 0;
    font-size: 1em;
}