Remove card transparency and dimming effects in Pyramid mode

pyramid.css

@@ -21,10 +21,6 @@
     z-index: 100;
 }
 
-.pyramid-layout .card:not(.is-exposed) {
-    filter: brightness(0.9) grayscale(0.2);
-}
-
 .pyramid-bottom-piles {
     display: flex;
     width: 100%;

pyramid.js

@@ -188,8 +188,6 @@
                     // Mark if it's currently playable for visual feedback
                     const exposed = isExposed(card.id);
                     el.classList.toggle('is-exposed', exposed);
-                    // Remove hardcoded opacity, handle via CSS if needed
-                    el.style.opacity = '1';
                 }
                 index++;
             }