# Duplicate navigation menus — dev spec
Site: camphollow.com · Priority 7 · Medium · Effort: Medium (2-5 days)

## Problem
The site renders the same navigation structure twice on every page, doubling cognitive load.

## Evidence (from the live site)
> Cake Toppers New Best Sellers Shop All Party Animals Baby Shower Jewelry New Best Sellers Shop All Necklaces Charms Earrings Rings Party Supplies New Best Sellers Shop All Candles Greetings Cards Collections Woodland Animals Farm Animals Pets Garden & Bugs Chinese Zodiac Shop All Join The Club Explore Shop Cake Toppers New Best Sellers Shop All Party Animals Baby Shower Jewelry New Best Selle

## Current state
notes: Duplicate navigation menus with identical links.

## Required change
notes: Consolidate into a single navigation menu.

## Acceptance criteria
- GIVEN a first-time visitor on the affected page
- WHEN the change is live
- THEN Consolidate into a single navigation menu.
- AND no layout regression at 375px / 768px / 1280px
- AND the changed control is keyboard-reachable with an accessible name

## Tracking
- Fire `cro_duplicate_navigation_menus` on interaction with the changed element
- Verify the event fires in BOTH variants before opening traffic

## Test plan
- Two-proportion z-test, 95% significance, 80% power
- 1,941,808 visitors per variant to detect a 2.0% relative lift
- Run at least one full business cycle; duration depends on traffic

## Rollback
Feature-flag the change; revert if the primary metric drops for 3 consecutive days.