diff --git a/src/components/cardStack/CardStack.tsx b/src/components/cardStack/CardStack.tsx
index be1a7bc..3003a8a 100644
--- a/src/components/cardStack/CardStack.tsx
+++ b/src/components/cardStack/CardStack.tsx
@@ -1,69 +1,229 @@
-import React, { useEffect, useRef, useState } from 'react';
+"use client";
 
-interface TimelineBaseProps {
-  items: Array<{
-    id: string | number;
-    content: React.ReactNode;
-    media: React.ReactNode;
-    reverse?: boolean;
-  }>;
-  reverse?: boolean;
-  className?: string;
-  containerClassName?: string;
-  itemClassName?: string;
-  mediaWrapperClassName?: string;
-  numberClassName?: string;
-  contentWrapperClassName?: string;
-  gapClassName?: string;
-  ariaLabel?: string;
-}
+import { memo, Children } from "react";
+import { CardStackProps } from "./types";
+import GridLayout from "./layouts/grid/GridLayout";
+import AutoCarousel from "./layouts/carousels/AutoCarousel";
+import ButtonCarousel from "./layouts/carousels/ButtonCarousel";
+import TimelineBase from "./layouts/timelines/TimelineBase";
+import { gridConfigs } from "./layouts/grid/gridConfigs";
 
-const CardStack = React.forwardRef<HTMLDivElement, TimelineBaseProps>(
-  (
-    {
-      items,
-      reverse = false,
-      className,
-      containerClassName,
-      itemClassName,
-      mediaWrapperClassName,
-      numberClassName,
-      contentWrapperClassName,
-      gapClassName,
-      ariaLabel = 'Card stack timeline',
-    },
-    ref
-  ) => {
-    const [windowHeight, setWindowHeight] = useState(0);
+const CardStack = ({
+    children,
+    mode = "buttons",
+    gridVariant = "uniform-all-items-equal",
+    uniformGridCustomHeightClasses,
+    gridRowsClassName,
+    itemHeightClassesOverride,
+    animationType,
+    supports3DAnimation = false,
+    title,
+    titleSegments,
+    description,
+    tag,
+    tagIcon,
+    tagAnimation,
+    buttons,
+    buttonAnimation,
+    textboxLayout = "default",
+    useInvertedBackground,
+    carouselThreshold = 5,
+    bottomContent,
+    className = "",
+    containerClassName = "",
+    gridClassName = "",
+    carouselClassName = "",
+    carouselItemClassName = "",
+    controlsClassName = "",
+    textBoxClassName = "",
+    titleClassName = "",
+    titleImageWrapperClassName = "",
+    titleImageClassName = "",
+    descriptionClassName = "",
+    tagClassName = "",
+    buttonContainerClassName = "",
+    buttonClassName = "",
+    buttonTextClassName = "",
+    ariaLabel = "Card stack",
+}: CardStackProps) => {
+    const childrenArray = Children.toArray(children);
+    const itemCount = childrenArray.length;
 
-    useEffect(() => {
-      setWindowHeight(typeof window !== 'undefined' ? window.innerHeight : 0);
-    }, []);
+    // Check if the current grid config has gridRows defined
+    const gridConfig = gridConfigs[gridVariant]?.[itemCount];
+    const hasFixedGridRows = gridConfig && 'gridRows' in gridConfig && gridConfig.gridRows;
+
+    // If grid has fixed row heights and we have uniformGridCustomHeightClasses,
+    // we need to use min-h-0 on md+ to prevent conflicts
+    let adjustedHeightClasses = uniformGridCustomHeightClasses;
+    if (hasFixedGridRows && uniformGridCustomHeightClasses) {
+        // Extract the mobile min-height and add md:min-h-0
+        const mobileMinHeight = uniformGridCustomHeightClasses.split(' ')[0];
+        adjustedHeightClasses = `${mobileMinHeight} md:min-h-0`;
+    }
+
+    // Timeline layout for zigzag pattern (works best with 3-6 items)
+    if (gridVariant === "timeline" && itemCount >= 3 && itemCount <= 6) {
+        // Convert depth-3d to scale-rotate for timeline (doesn't support 3D)
+        const timelineAnimationType = animationType === "depth-3d" ? "scale-rotate" : animationType;
+
+        return (
+            <TimelineBase
+                variant={gridVariant}
+                uniformGridCustomHeightClasses={adjustedHeightClasses}
+                animationType={timelineAnimationType}
+                title={title}
+                titleSegments={titleSegments}
+                description={description}
+                tag={tag}
+                tagIcon={tagIcon}
+                tagAnimation={tagAnimation}
+                buttons={buttons}
+                buttonAnimation={buttonAnimation}
+                textboxLayout={textboxLayout}
+                useInvertedBackground={useInvertedBackground}
+                className={className}
+                containerClassName={containerClassName}
+                textBoxClassName={textBoxClassName}
+                titleClassName={titleClassName}
+                titleImageWrapperClassName={titleImageWrapperClassName}
+                titleImageClassName={titleImageClassName}
+                descriptionClassName={descriptionClassName}
+                tagClassName={tagClassName}
+                buttonContainerClassName={buttonContainerClassName}
+                buttonClassName={buttonClassName}
+                buttonTextClassName={buttonTextClassName}
+                ariaLabel={ariaLabel}
+            >
+                {childrenArray}
+            </TimelineBase>
+        );
+    }
+
+    // Use grid for items below threshold, carousel for items at or above threshold
+    // Timeline with 7+ items will also use carousel
+    const useCarousel = itemCount >= carouselThreshold || (gridVariant === "timeline" && itemCount > 6);
+
+    // Grid layout for 1-4 items
+    if (!useCarousel) {
+        return (
+            <GridLayout
+                itemCount={itemCount}
+                gridVariant={gridVariant}
+                uniformGridCustomHeightClasses={adjustedHeightClasses}
+                gridRowsClassName={gridRowsClassName}
+                itemHeightClassesOverride={itemHeightClassesOverride}
+                animationType={animationType}
+                supports3DAnimation={supports3DAnimation}
+                title={title}
+                titleSegments={titleSegments}
+                description={description}
+                tag={tag}
+                tagIcon={tagIcon}
+                tagAnimation={tagAnimation}
+                buttons={buttons}
+                buttonAnimation={buttonAnimation}
+                textboxLayout={textboxLayout}
+                useInvertedBackground={useInvertedBackground}
+                bottomContent={bottomContent}
+                className={className}
+                containerClassName={containerClassName}
+                gridClassName={gridClassName}
+                textBoxClassName={textBoxClassName}
+                titleClassName={titleClassName}
+                titleImageWrapperClassName={titleImageWrapperClassName}
+                titleImageClassName={titleImageClassName}
+                descriptionClassName={descriptionClassName}
+                tagClassName={tagClassName}
+                buttonContainerClassName={buttonContainerClassName}
+                buttonClassName={buttonClassName}
+                buttonTextClassName={buttonTextClassName}
+                ariaLabel={ariaLabel}
+            >
+                {childrenArray}
+            </GridLayout>
+        );
+    }
+
+    // Auto-scroll carousel for 5+ items
+    if (mode === "auto") {
+        // Convert depth-3d to scale-rotate for carousel (doesn't support 3D)
+        const carouselAnimationType = animationType === "depth-3d" ? "scale-rotate" : animationType;
+
+        return (
+            <AutoCarousel
+                uniformGridCustomHeightClasses={adjustedHeightClasses}
+                animationType={carouselAnimationType}
+                title={title}
+                titleSegments={titleSegments}
+                description={description}
+                tag={tag}
+                tagIcon={tagIcon}
+                tagAnimation={tagAnimation}
+                buttons={buttons}
+                buttonAnimation={buttonAnimation}
+                textboxLayout={textboxLayout}
+                useInvertedBackground={useInvertedBackground}
+                bottomContent={bottomContent}
+                className={className}
+                containerClassName={containerClassName}
+                carouselClassName={carouselClassName}
+                textBoxClassName={textBoxClassName}
+                titleClassName={titleClassName}
+                titleImageWrapperClassName={titleImageWrapperClassName}
+                titleImageClassName={titleImageClassName}
+                descriptionClassName={descriptionClassName}
+                tagClassName={tagClassName}
+                buttonContainerClassName={buttonContainerClassName}
+                buttonClassName={buttonClassName}
+                buttonTextClassName={buttonTextClassName}
+                ariaLabel={ariaLabel}
+            >
+                {childrenArray}
+            </AutoCarousel>
+        );
+    }
+
+    // Button-controlled carousel for 5+ items
+    // Convert depth-3d to scale-rotate for carousel (doesn't support 3D)
+    const carouselAnimationType = animationType === "depth-3d" ? "scale-rotate" : animationType;
 
     return (
-      <div
-        ref={ref}
-        className={`relative ${containerClassName || ''}`}
-        aria-label={ariaLabel}
-      >
-        {items.map((item, index) => (
-          <div key={item.id} className={`flex gap-4 ${itemClassName || ''}`}>
-            <div className={`w-1/2 ${mediaWrapperClassName || ''}`}>
-              {item.media}
-            </div>
-            <div className={`w-1/2 flex items-center ${contentWrapperClassName || ''}`}>
-              <span className={`inline-block mr-4 ${numberClassName || ''}`}>
-                {item.id}
-              </span>
-              {item.content}
-            </div>
-          </div>
-        ))}
-      </div>
+        <ButtonCarousel
+            uniformGridCustomHeightClasses={adjustedHeightClasses}
+            animationType={carouselAnimationType}
+            title={title}
+            titleSegments={titleSegments}
+            description={description}
+            tag={tag}
+            tagIcon={tagIcon}
+            tagAnimation={tagAnimation}
+            buttons={buttons}
+            buttonAnimation={buttonAnimation}
+            textboxLayout={textboxLayout}
+            useInvertedBackground={useInvertedBackground}
+            bottomContent={bottomContent}
+            className={className}
+            containerClassName={containerClassName}
+            carouselClassName={carouselClassName}
+            carouselItemClassName={carouselItemClassName}
+            controlsClassName={controlsClassName}
+            textBoxClassName={textBoxClassName}
+            titleClassName={titleClassName}
+            titleImageWrapperClassName={titleImageWrapperClassName}
+            titleImageClassName={titleImageClassName}
+            descriptionClassName={descriptionClassName}
+            tagClassName={tagClassName}
+            buttonContainerClassName={buttonContainerClassName}
+            buttonClassName={buttonClassName}
+            buttonTextClassName={buttonTextClassName}
+            ariaLabel={ariaLabel}
+        >
+            {childrenArray}
+        </ButtonCarousel>
     );
-  }
-);
+};
 
-CardStack.displayName = 'CardStack';
+CardStack.displayName = "CardStack";
 
-export default CardStack;
+export default memo(CardStack);