/* Book Cover and Navigation Fix CSS */

/* Logo Fix */
.logo-image {
    height: 40px !important;
    width: auto !important;
    filter: drop-shadow(0 0 10px rgba(77, 255, 0, 0.3)) !important;
    transition: filter 0.3s ease !important;
    display: block !important;
    visibility: visible !important;
}

.logo:hover .logo-image {
    filter: drop-shadow(0 0 15px rgba(77, 255, 0, 0.6)) !important;
}
.hero-image {
    position: relative;
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    display: block;
}

.book-model {
    width: 100%;
    position: relative;
    transform-style: preserve-3d;
    transform: rotateY(-20deg);
    transition: transform 0.5s ease;
    max-width: 600px;
    margin: 0 auto;
    display: block;
}

.book-model:hover {
    transform: rotateY(-10deg);
}

.book-cover {
    width: 100%;
    height: auto;
    display: block;
    box-shadow: 0 0 30px rgba(77, 255, 0, 0.3);
    border: 1px solid rgba(77, 255, 0, 0.3);
    border-radius: 5px;
    position: relative;
    z-index: 5;
}

.book-spine {
    position: absolute;
    height: 100%;
    width: 40px;
    left: -20px;
    top: 0;
    background: linear-gradient(to right, #222, #0a0a0a);
    transform: rotateY(90deg);
    transform-origin: right;
    z-index: 4;
    display: flex;
    align-items: center;
    justify-content: center;
}

.book-spine-title {
    transform: rotate(-90deg);
    width: 300px;
    transform-origin: center;
    color: var(--primary-color);
    font-family: var(--font-display);
    font-weight: bold;
    font-size: 1.1rem;
    letter-spacing: 2px;
    text-align: center;
}

.book-glow {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: rgba(77, 255, 0, 0.05);
    border-radius: 5px;
    pointer-events: none;
    z-index: 6;
}