.book-page-hero {
    padding: 5rem 0;
    align-items: center;
    gap: 2rem;
}

.book-cover img {
    max-width: 380px;
    box-shadow: 0 12px 30px rgba(0,0,0,0.2);
    width: 100%;
    border-radius: 1rem;
}

.book-info {
    gap: 1rem;
    max-width: 520px;
    display: flex;
    flex-direction: column;
    max-width: 520px;
}

.book-info h1 {
    line-height: 1.2;
    font-size: 2.2rem;
    font-weight: 700;
}

.book-subtitle {
    font-size: 1.1rem;
    opacity: 0.85;
}

.book-label {
    font-size: 0.85rem;
    color: var(--primary-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.book-description {
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.5;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    font-size: 1rem;
    opacity: 0.8;
}

.book-description-middle {
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.5;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    font-size: 1.1rem;
    opacity: 0.8;
    text-align: center;
}

.book-cta {
    background: var(--secondary-bg-color);
    padding: 3rem;
    border-radius: 1rem;
    align-items: center;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 700px;
    margin: 0 auto;
}

.author-section {
    gap: 4rem;
    align-items: center;
}

.author-text {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 520px;
}

.author-text h2 {
    font-size: 1.8rem;
    font-weight: 600;
}

.author-credentials {
    margin-top: 1rem;
    padding-left: 1rem;
}

.author-credentials li {
    margin-bottom: 0.5rem;
    font-size: 1rem;
    opacity: 0.8;
}

.author-image img {
    width: 100%;
    max-width: 420px;
    border-radius: 1rem;
    box-shadow: 0 10px 24px rgba(0,0,0,0.12);
}