feat: Replace mobile logo grid with infinite scrolling marquee

components/shared/EnterpriseLogoGrid.tsx

@@ -1,7 +1,9 @@
 "use client";
 
+import { Fragment } from "react";
 import Image from "next/image";
 import type { StaticImageData } from "next/image";
+import { motion } from "framer-motion";
 import adobeLogo from "../home/img/adobe.svg";
 import canvaLogo from "../home/img/canva.svg";
 import circlebackLogo from "../home/img/circleback.svg";
@@ -21,6 +23,8 @@
 import { cn } from "@/lib/utils";
 import { LinkBox } from "@/components/ui/link-box";
 
+const MARQUEE_DURATION_SEC = 40;
+
 type CompanyLogo = {
   name: string;
   logo: StaticImageData;
@@ -107,66 +111,129 @@
 const LogoImage = ({
   logo,
   name,
+  compact = false,
 }: {
   logo: StaticImageData;
   name: string;
+  compact?: boolean;
 }) => {
+  if (compact) {
+    return (
+      <div className="overflow-hidden h-[40px] -mx-5 flex items-center">
+        <Image
+          src={logo}
+          alt={`${name} logo`}
+          className="h-[56px] w-auto scale-125 transition-[filter] duration-200 hover:filter-[grayscale(1)_brightness(0)_contrast(1.15)] group-hover:filter-[grayscale(1)_brightness(0)_contrast(1.15)]"
+          sizes="(max-width: 768px) 30vw"
+          priority={false}
+        />
+      </div>
+    );
+  }
+
   return (
     <Image
       src={logo}
       alt={`${name} logo`}
-      className="object-cover max-w-full transition-[filter] duration-200 h-[56px] hover:filter-[grayscale(1)_brightness(0)_contrast(1.15)] group-hover:filter-[grayscale(1)_brightness(0)_contrast(1.15)]"
+      className="h-[56px] object-cover max-w-full transition-[filter] duration-200 hover:filter-[grayscale(1)_brightness(0)_contrast(1.15)] group-hover:filter-[grayscale(1)_brightness(0)_contrast(1.15)]"
       sizes="(max-width: 768px) 50vw, (max-width: 1200px) 25vw, 20vw"
       priority={false}
     />
   );
 };
 
-interface EnterpriseLogoGridProps {
-  className?: string;
-  small?: boolean;
-}
+const visibleCompanies = companies.filter((c) => !c.hidden);
 
-export const EnterpriseLogoGrid = ({
-  className = "",
-  small = false,
-}: EnterpriseLogoGridProps) => {
+function LogoMarqueeItems() {
   return (
-    <div
-      className={cn(
-        "grid grid-cols-3 sm:grid-cols-6 auto-rows-fr px-2 py-2",
-        small && "sm:grid-cols-3",
-        className,
-      )}
-      role="grid"
-      aria-label="Enterprise customers using Langfuse"
-    >
-      {companies.filter((c) => !c.hidden).map((company, index) => {
+    <>
+      {visibleCompanies.map((company) => {
         const hasStory = Boolean(company.customerStoryPath);
         return (
           <LinkBox
             key={company.name}
             href={company.customerStoryPath}
             tooltip={hasStory ? "Read story" : undefined}
             tooltipPlacement="bottom-center"
-            className={cn(
-              "-mr-px -mb-px flex items-center justify-center !p-0",
-              index > 5 ? "hidden sm:flex" : "flex",
-            )}
-            role="gridcell"
+            className="shrink-0 flex items-center justify-center !p-0"
             aria-label={
               hasStory
                 ? `Read ${company.name} user story`
                 : `${company.name} uses Langfuse`
             }
           >
-            <LogoImage
-              logo={company.logo}
-              name={company.name}
-            />
+            <LogoImage logo={company.logo} name={company.name} compact />
           </LinkBox>
         );
       })}
-    </div>
+    </>
+  );
+}
+
+interface EnterpriseLogoGridProps {
+  className?: string;
+  small?: boolean;
+}
+
+export const EnterpriseLogoGrid = ({
+  className = "",
+  small = false,
+}: EnterpriseLogoGridProps) => {
+  return (
+    <>
+      {/* Mobile: infinite scrolling marquee */}
+      <div
+        className={cn("sm:hidden overflow-hidden w-full mask-[linear-gradient(to_right,transparent,black_8%,black_92%,transparent)]", className)}
+        role="marquee"
+        aria-label="Enterprise customers using Langfuse"
+      >
+        <motion.div
+          className="flex items-center w-max py-2"
+          animate={{ x: ["0%", "-50%"] }}
+          transition={{
+            duration: MARQUEE_DURATION_SEC,
+            repeat: Infinity,
+            ease: "linear",
+          }}
+        >
+          <LogoMarqueeItems />
+          <div aria-hidden="true" className="contents">
+            <LogoMarqueeItems />
+          </div>
+        </motion.div>
+      </div>
+
+      {/* Desktop: grid layout */}
+      <div
+        className={cn(
+          "hidden sm:grid grid-cols-3 sm:grid-cols-6 auto-rows-fr px-2 py-2",
+          small && "sm:grid-cols-3",
+          className,
+        )}
+        role="grid"
+        aria-label="Enterprise customers using Langfuse"
+      >
+        {visibleCompanies.map((company) => {
+          const hasStory = Boolean(company.customerStoryPath);
+          return (
+            <LinkBox
+              key={company.name}
+              href={company.customerStoryPath}
+              tooltip={hasStory ? "Read story" : undefined}
+              tooltipPlacement="bottom-center"
+              className="-mr-px -mb-px flex items-center justify-center !p-0"
+              role="gridcell"
+              aria-label={
+                hasStory
+                  ? `Read ${company.name} user story`
+                  : `${company.name} uses Langfuse`
+              }
+            >
+              <LogoImage logo={company.logo} name={company.name} />
+            </LinkBox>
+          );
+        })}
+      </div>
+    </>
   );
 };