* (or add it to your theme's custom JS asset and include it there) * * CONFIGURATION: * Tweak the three constants at the top of the IIFE if your theme uses * different selectors. The defaults match Palo Alto + Mailchimp BIS. */ (function () { 'use strict'; // ─── CONFIG ────────────────────────────────────────────────────────────────── /** * Selector for the main product's