In my opinion, responsive design should be standard practice for any UX practitioner when creating a client's website. With recent reports of mobile web traffic finally surpassing desktop web traffic, the need for accommodating mobile users is more crucial than it's ever been.
Since I typically complete responsive design decisions during the construction phase, I decided to include this content at this point in the case study. However, for CHN, I found myself a bit out of order. Based on the timing of various work, I was able to complete the design phase before jumping into the following responsive designs.
Therefore, the design decisions are included in these depictions.