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Sticky Blur Navigation

Sticky top nav that gains a blur backdrop and hairline after scrolling; logo left, links centre, CTA right, mobile sheet menu.

sections · nav · react-ts-tailwind-framer-motion ·role: nav
nav
Component code: StickyNav.tsx (1 file) Delivered via signed URL with MCP fetch_blocks

Full Construction Prompt

ROLE

AI Role

Senior front-end engineer + designer. Build the one navigation pattern every landing page needs, done properly: invisible at the top, solid once you scroll.
STACK

Target Stack

React + TypeScript + Tailwind CSS + Framer Motion. Scroll state via a passive scroll listener (threshold 8px), no scroll-jacking.
LAYOUT

Layout

Fixed top bar, height 4rem. Inner: max-w-6xl flex row — logo left, centre links (desktop only), right: sign-in link + primary CTA button. At rest: transparent background, no border. Scrolled: background hsl(var(--background)/0.8) + backdrop-blur + bottom hairline. Mobile: hamburger opens a full-width dropdown sheet under the bar with the same links stacked, 48px rows.
TYPOGRAPHY

Typography

Logo: 1.1rem/700. Links: 0.95rem/500. CTA: 0.95rem/600.
COLOR TOKENS

Color Tokens

--background: 0 0% 100%; --foreground: 240 20% 10%; --primary: 250 80% 60%; --primary-foreground: 0 0% 100%; --border: 240 15% 90%; --muted-foreground: 240 10% 45%.
SPACING

Spacing

Bar padding 0 1.5rem; link gap 2rem; CTA padding 0.6rem 1.2rem rounded-full.
ANIMATION

Animation

Background/border transition 0.25s. Sheet opens with height+fade 0.25s. Active-section link gets primary colour (IntersectionObserver optional). Reduced motion: transitions off.
RESPONSIVE

Responsive

<md: centre links hidden, hamburger shown; bar height stays 4rem; sheet links are full-width rows.
SAMPLE COPY

Sample Copy

Links: "Features", "Pricing", "Reviews", "FAQ". CTA: "Start free". Sign-in: "Sign in".