body {
    background-image: url('../images/publishing-background.jpg');
    background-size: cover;
    background-attachment: fixed;
}

.publishing-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    flex: 0 0 auto;
    margin-right: auto;
}

.top-nav {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    flex: 0 0 auto;
}

.contact-btn {
    background: #333;
    color: white;
    padding: 0.5rem 1rem;
    text-decoration: none;
    border-radius: 5px;
}

.book-description {
    background: rgba(255, 255, 255, 0.3);
    padding: 2rem;
    border-radius: 5px;
    margin-bottom: 2rem;
    line-height: 1.6;
    font-size: 1.1rem;
}

.purchase-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
    max-width: 1200px;
    padding: 0 1rem;
}

.btn-purchase {
    background: #333;
    color: white;
    padding: 0.5rem 1rem;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
    text-align: center;
    display: block;
    width: 200px;
    margin: 0 auto;
}

.btn-purchase:hover {
    background: #444;
}

.preview-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.preview-image {
    width: 100%;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.preview-image:hover {
    transform: scale(1.02);
}

@media (max-width: 768px) {
    .preview-grid {
        grid-template-columns: 1fr;
    }

    .purchase-buttons {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .btn-purchase {
        width: 200px;
        margin: 0 auto;
    }
}

@media (max-width: 480px) {
    .book-description {
        font-size: 1rem;
        padding: 1rem;
    }

    .preview-image {
        margin-bottom: 1rem;
    }

    .btn-purchase {
        padding: 0.3rem 0.8rem;
        font-size: 0.9rem;
        width: 150px;
    }
}