Add src/hooks/useScrollDetection.ts

Merge version_28 into main

src/app/page.tsx

@@ -56,6 +56,16 @@ export default function LandingPage() {
     }
   };
 
+  const scrollToShoes = () => {
+    const shoesSectionElement = document.getElementById('shoes');
+    if (shoesSectionElement) {
+      shoesSectionElement.scrollIntoView({
+        behavior: 'smooth',
+        block: 'start'
+      });
+    }
+  };
+
   const scrollToTop = () => {
     const heroSectionElement = document.getElementById('hero');
     if (heroSectionElement) {
@@ -238,6 +248,19 @@ export default function LandingPage() {
         </div>
       </button>
 
+      {/* Fixed "Go to Shoes" Button */}
+      <button
+        onClick={scrollToShoes}
+        className="fixed right-6 bottom-20 z-40 w-12 h-12 rounded-full bg-gradient-to-r from-[#D4AF37] to-[#D4AF37] text-black shadow-lg hover:shadow-2xl transition-all duration-300 ease-out flex items-center justify-center hover:scale-110 active:scale-95"
+        aria-label="Go to Shoes"
+        title="Go to Shoes"
+      >
+        <div className="flex flex-col items-center justify-center gap-0.5">
+          <ArrowDown className="w-4 h-4" />
+          <span className="text-xs font-semibold text-center leading-tight">Shoes</span>
+        </div>
+      </button>
+
       {/* Fixed Top Social & Contact Bar */}
       <div className="fixed top-0 left-0 right-0 z-50 bg-[#D4AF37] text-black py-3 px-4 flex items-center justify-center gap-6">
         {/* Instagram */}
@@ -518,6 +541,9 @@ export default function LandingPage() {
           tagAnimation="slide-up"
           gridVariant="three-columns-all-equal-width"
           animationType="slide-up"
+          buttons={[
+            { text: "Explore All Shoes", onClick: scrollToShoes }
+          ]}
           products={[
             {
               id: "shoe-1",              name: "Classic Satin Heels",              price: "Starting at $250",              variant: "White",              imageSrc: "http://img.b2bpic.net/free-photo/elegant-beautiful-fashionable-woman-blonde-long-white-dre_7502-4897.jpg?_wi=2",              imageAlt: "Classic white satin bridal heels"

src/hooks/useScrollDetection.ts

@@ -0,0 +1,78 @@
+import { useEffect, useRef, useState } from 'react';
+
+interface UseScrollDetectionOptions {
+  targetElementId: string;
+  scrollThreshold?: number;
+  onStateChange?: (state: {
+    isScrollingPastTarget: boolean;
+    isScrollingBack: boolean;
+    scrollProgress: number;
+  }) => void;
+}
+
+interface UseScrollDetectionReturn {
+  isScrollingPastTarget: boolean;
+  isScrollingBack: boolean;
+  scrollProgress: number;
+}
+
+export function useScrollDetection({
+  targetElementId,
+  scrollThreshold = 0.3,
+  onStateChange,
+}: UseScrollDetectionOptions): UseScrollDetectionReturn {
+  const [isScrollingPastTarget, setIsScrollingPastTarget] = useState(false);
+  const [isScrollingBack, setIsScrollingBack] = useState(false);
+  const [scrollProgress, setScrollProgress] = useState(0);
+  const lastScrollYRef = useRef(0);
+  const targetElementRef = useRef<HTMLElement | null>(null);
+
+  useEffect(() => {
+    // Get target element
+    targetElementRef.current = document.getElementById(targetElementId);
+
+    const handleScroll = () => {
+      if (!targetElementRef.current) return;
+
+      const targetRect = targetElementRef.current.getBoundingClientRect();
+      const windowHeight = window.innerHeight;
+      const scrollY = window.scrollY;
+      const currentScrollDirection = scrollY > lastScrollYRef.current ? 'down' : 'up';
+
+      // Calculate if we've scrolled past the target element
+      const targetTop = targetRect.top + scrollY;
+      const thresholdDistance = window.innerHeight * scrollThreshold;
+      const isPastTarget = scrollY > targetTop - thresholdDistance;
+
+      // Determine scroll direction
+      const isScrollingBackward = currentScrollDirection === 'up';
+
+      // Calculate scroll progress (0 to 1)
+      const progress = Math.min(scrollY / (targetTop + thresholdDistance), 1);
+
+      setIsScrollingPastTarget(isPastTarget);
+      setIsScrollingBack(isScrollingBackward);
+      setScrollProgress(progress);
+
+      // Call callback if provided
+      if (onStateChange) {
+        onStateChange({
+          isScrollingPastTarget: isPastTarget,
+          isScrollingBack: isScrollingBackward,
+          scrollProgress: progress,
+        });
+      }
+
+      lastScrollYRef.current = scrollY;
+    };
+
+    window.addEventListener('scroll', handleScroll, { passive: true });
+    return () => window.removeEventListener('scroll', handleScroll);
+  }, [targetElementId, scrollThreshold, onStateChange]);
+
+  return {
+    isScrollingPastTarget,
+    isScrollingBack,
+    scrollProgress,
+  };
+}