/* transparent-at-rest depends on JS toggling data-nav-scrolled (nav-ui.ts); without scripts the frosted readability state must be permanent, or body text scrolls beneath a fully transparent fixed nav. Not on `bare` (the home hero): shared.css keeps the nav transparent at rest specifically because painting it opaque "clipped the stars into a hard-edged black band across the top", and that page is a single immersive screen with nothing scrolling under the nav to be unreadable. So the one page where this override costs the most is the one page it buys nothing on. */ nav[data-type="hero-nav"] { background-color: var(--color-bg-blur); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); }

Murmuration

Craig Reynolds’ three flocking rules, running live. Adjust separation, alignment and cohesion and watch the flock hold together or fall apart.