.custom-books-container {
    display: flex;
    justify-content: center;
    padding: 60px 20px;
    background: linear-gradient(135deg, #000000 0%, #0a0a0a 100%);
}

.custom-books-grid {
    display: grid;
    grid-template-columns: repeat(3, 280px);
    gap: 35px 20px;
    justify-content: center;
}

.book-cover {
    width: 280px;
    height: 400px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 12px 30px rgba(0,0,0,0.7);
    background: #000;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.book-cover:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0,0,0,0.9);
}

.book-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.4s ease;
}

.book-cover:hover img {
    filter: brightness(0.8) blur(0.8px);
}

@media (max-width: 1024px) {
    .custom-books-grid {
        grid-template-columns: repeat(2, 240px);
    }
    .book-cover {
        width: 240px;
        height: 340px;
    }
}

@media (max-width: 768px) {
    .custom-books-container {
        padding: 40px 15px;
    }
    .custom-books-grid {
        grid-template-columns: 260px;
    }
    .book-cover {
        width: 260px;
        height: 370px;
    }
}