The search bar needs to be shifted towards right beside the cart for a more professional header view. Some other points for store improvement are as follows:
May the store improvement help you reach new heights.
I see engagement missing on your store. I would suggest you to add a chatbot to make sure you never lose any of your customers. Every visitor can be your customer.
Add favicon- It adds legitimacy to your site and helps boost your online branding as well as trust from potential consumers. They are an immediate visual marker for the website which enables easy and quick identification for web users as well as unifies all of the various browser components into a well-branded browsing experience.
Add a referral program. Referral marketing is a cost-effective way to gain new and loyal customers. Because people are social creatures, individuals that are referred to your company are much more likely to remain loyal customers.
Add smart pop-ups.
If you want to implement all these I would suggest you to install AiTrillion.com It has all the features in a single app and is a fully integrated app. It is all in one Shopify app. Plus you don't need to install multiple apps. You can check it out. I am sure you will find it useful.
Cal here from Shopify, thanks for reaching out to us. You've done a great job so far on the site, and there are only a couple of areas I would recommend reviewing:
How are you planning to market this business?