.book-container{perspective:1000px}.book-cover{aspect-ratio:2/3;width:100%;max-width:300px;transform-style:preserve-3d;transition:transform .5s;position:relative;transform:rotateY(-15deg);box-shadow:20px 20px 50px #0003}.book-container:hover .book-cover{transform:rotateY(0)scale(1.02);box-shadow:0 30px 60px #0000004d}.book-spine{transform-origin:0;background:linear-gradient(90deg,#fff3,#0000001a);width:40px;height:100%;position:absolute;top:0;left:0;transform:rotateY(90deg)translateZ(-20px)}.reveal-text{opacity:0;animation:.8s cubic-bezier(.2,.8,.2,1) forwards revealText;transform:translateY(20px)}@keyframes revealText{to{opacity:1;transform:translateY(0)}}.delay-100{animation-delay:.1s}.delay-200{animation-delay:.2s}.delay-300{animation-delay:.3s}.text-gradient-gold{background:linear-gradient(135deg,#1f2937 0%,#4b5563 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text}