/* Ebook-specific styling */

/* ========== EBOOK HERO ========== */
.ebook-hero {
    background: var(--gradient-primary);
    padding: var(--spacing-xl) var(--spacing-md);
    color: var(--white);
}

.ebook-hero-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-xl);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

/* 3D Book Visual */
.ebook-cover {
    perspective: 1000px;
}

.book-visual {
    width: 300px;
    height: 400px;
    position: relative;
    transform-style: preserve-3d;
    transform: rotateY(-15deg);
    transition: transform 0.6s ease;
    margin: 0 auto;
}

.book-visual:hover {
    transform: rotateY(-5deg) scale(1.05);
}

.book-spine {
    position: absolute;
    left: -15px;
    top: 0;
    width: 30px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-cyan), var(--primary-pink));
    transform: rotateY(-90deg);
    transform-origin: right;
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.3);
}

.book-front {
    width: 100%;
    height: 100%;
    background: var(--white);
    color: var(--dark-gray);
    padding: 0; /* Remove padding so image fills entire space */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    border-radius: 10px;
    box-shadow: 5px 5px 20px rgba(0, 0, 0, 0.3);
    border: 3px solid var(--primary-cyan);
    overflow: hidden; /* Ensure image doesn't overflow rounded corners */
}

.book-logo {
    width: 90px;
    height: 90px;
    margin-bottom: 16px;
    object-fit: contain;
    /* Clean shield display */
    filter: drop-shadow(0 3px 6px rgba(0, 0, 0, 0.15));
}

.book-cover-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 10px;
    /* Make the image fill the entire 3D book front */
}

.book-front h2 {
    font-size: 1.8rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
}

.book-author {
    font-size: 1rem;
    color: var(--text-gray);
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

.book-tagline {
    font-size: 0.9rem;
    color: var(--accent-yellow);
    font-weight: 600;
    margin-top: auto;
}

/* Ebook Info */
.ebook-info h1 {
    font-size: 2.8rem;
    margin-bottom: var(--spacing-sm);
}

.ebook-subtitle {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-xs);
    opacity: 0.9;
}

.ebook-author {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.8;
    font-style: italic;
}

.ebook-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    opacity: 0.8;
}

.ebook-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.access-note {
    font-size: 0.95rem;
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    line-height: 1.6;
}

/* ========== ABOUT SECTION ========== */
.ebook-about {
    background: var(--white);
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.highlight-card {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--light-gray);
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
}

.highlight-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.highlight-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.highlight-card h3 {
    font-size: 1.3rem;
    color: var(--primary-pink);
    margin-bottom: var(--spacing-sm);
}

.highlight-card p {
    color: var(--text-gray);
    line-height: 1.6;
}

/* ========== TABLE OF CONTENTS ========== */
.ebook-toc {
    background: var(--light-gray);
}

.toc-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.toc-part {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.toc-part-title {
    font-size: 1.5rem;
    color: var(--primary-cyan);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--primary-pink);
}

.toc-chapters {
    list-style: none;
}

.toc-link {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm);
    margin: var(--spacing-xs) 0;
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
    background: var(--light-gray);
}

.toc-link:hover {
    background: var(--gradient-primary);
    color: var(--white);
    transform: translateX(4px);
}

.toc-link.free-preview {
    background: #e6f9fb;
}

.toc-link.locked {
    opacity: 0.7;
}

.toc-link.locked:hover {
    background: #fff3cd;
    color: var(--dark-gray);
}

.chapter-num {
    font-weight: 600;
    min-width: 100px;
    color: var(--primary-pink);
}

.chapter-title {
    flex-grow: 1;
}

.free-badge {
    background: var(--accent-yellow);
    color: var(--dark-gray);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
}

.lock-icon {
    font-size: 1.2rem;
}

/* Unlock CTA */
.unlock-cta {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: var(--radius-lg);
}

.unlock-cta h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.unlock-cta p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
}

.cta-note {
    font-size: 0.9rem;
    margin-top: var(--spacing-sm);
    opacity: 0.9;
}

/* ========== DOWNLOAD OPTIONS ========== */
.download-options {
    background: var(--white);
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.download-card {
    padding: var(--spacing-lg);
    background: var(--light-gray);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.download-card h3 {
    font-size: 1.5rem;
    color: var(--primary-cyan);
    margin-bottom: var(--spacing-sm);
}

.download-card p {
    color: var(--text-gray);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.download-features {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.download-features li {
    padding: 8px 0;
    color: var(--text-gray);
}

.download-links {
    list-style: none;
}

.download-links li {
    margin: var(--spacing-xs) 0;
}

.download-links a {
    display: block;
    padding: var(--spacing-sm);
    background: var(--white);
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
}

.download-links a:hover {
    background: var(--gradient-primary);
    color: var(--white);
    transform: translateX(4px);
}

.coming-soon-note {
    font-style: italic;
    color: var(--text-gray);
    margin: var(--spacing-md) 0;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .ebook-hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .book-visual {
        width: 250px;
        height: 350px;
    }
    
    .ebook-info h1 {
        font-size: 2rem;
    }
    
    .ebook-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .ebook-actions {
        flex-direction: column;
    }
    
    .about-highlights {
        grid-template-columns: 1fr;
    }
    
    .download-grid {
        grid-template-columns: 1fr;
    }
}