There are three header navigation layout options for the menu items in Pacific: Traditional, Inline, and Minimal.
Access the theme editor layout settings
Go to Customize > Sections > Header > Layout
Select a layout option
The Traditional layout will arrange the menu items below the logo. These will be centred unless the Justify navigation links option is enabled. This option also moves the Search icon on the left side, separating it from the other header tools (Currency converter, Account login, and Cart icon).
The Inline layout aligns the menu items to the left side. Reflecting the arrangement of the header tools, this settings offers a balanced and symmetrical layout, while minimizing the header height.
The Minimal layout further reduces the header height by concealing the menu items from view. These can be accessed by selecting the left-side icon. When selected, the menu items display in the Traditional layout until a link is selected or the menu is closed by selected the X icon.
Activate the sticky header
By selecting the Enable sticky header option, the header will remain fixed at the top of the desktop browser window while the customer scrolls down the page. If Traditional is selected alongside this setting, the header will compress to a Minimal layout while scrolling. Both Inline and Minimal will remain the same as the customer scrolls down the page.
Navigation link layout
To modify how the menu items display in relation to one another, you can enable Justify navigation links. This option will distribute the menu items equally to fit the space provided. The example image below shows this setting enabled for the Traditional layout: