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Dark charcoal bar, Verdana 15px, off-white items. Active/hover item fades to grey — no red, no underline.
Matches .flexy-menu.red on the live site. Default item color is var(--color-nav-text) (#e7e5e5); the active or hovered item drops to var(--color-text-light) (#666 grey) — that's the whole indicator. There is no red underline and no bolder weight on active items. Transitions are color 0.2s linear.
On mobile (≤899px) the flat list collapses into a hamburger that opens a full-screen column with background: var(--color-bg-dark).