.guide-product-source { visibility: hidden !important; }
.guide-product-depth { position: absolute; inset: 0; pointer-events: none; transform-origin: 50% 70%; }
.guide-product-depth[hidden] { display: none; }
.guide-product-depth .guide-product-book { position: absolute; left: -3%; bottom: 0; width: 82%; height: auto; filter: drop-shadow(0 12px 18px rgba(0,0,0,.48)); transform-origin: 55% 90%; }
.guide-product-depth .guide-product-phone { position: absolute; right: -3%; bottom: 0; width: 100%; height: auto; mask-image: url('assets/live-guide-phone-mask.webp'); mask-mode: luminance; mask-size: 100% 101.3%; mask-repeat: no-repeat; filter: drop-shadow(0 9px 12px rgba(0,0,0,.36)); transform-origin: 72% 88%; }
@media (prefers-reduced-motion: reduce) { .guide-product-depth { display: none !important; } .guide-product-source { visibility: visible !important; } }