Initial commit

components/fade-in.tsx

@@ -0,0 +1,46 @@
+"use client";
+
+import { useRef, useState, useEffect, ReactNode } from "react";
+
+interface FadeInProps {
+  children: ReactNode;
+  delay?: number;
+  className?: string;
+}
+
+export function FadeIn({ children, delay = 0, className = "" }: FadeInProps) {
+  const ref = useRef<HTMLDivElement>(null);
+  const [visible, setVisible] = useState(false);
+
+  useEffect(() => {
+    const el = ref.current;
+    if (!el) return;
+
+    const obs = new IntersectionObserver(
+      ([entry]) => {
+        if (entry.isIntersecting) {
+          setVisible(true);
+          obs.unobserve(el);
+        }
+      },
+      { threshold: 0.15 }
+    );
+
+    obs.observe(el);
+    return () => obs.disconnect();
+  }, []);
+
+  return (
+    <div
+      ref={ref}
+      className={className}
+      style={{
+        opacity: visible ? 1 : 0,
+        transform: visible ? "translateY(0)" : "translateY(28px)",
+        transition: `opacity 0.7s ease ${delay}s, transform 0.7s ease ${delay}s`,
+      }}
+    >
+      {children}
+    </div>
+  );
+}