flowmanceJustix Design System
Justix is a sharp, tech-flavoured marketing studio site. It opens on a full-screen electric-blue WebGL scene with a glossy 3D blob, then drops to pure black, where everything sits in thin-bordered bento cards lit from one corner by the same blue. Headlines are Inter 500 with tight tracking, and small uppercase Roboto Mono labels give it a technical, dashboard feel.
Four signatures make it recognisable:
- Electric blue #000ED6. It is the only colour. It fills the hero, glows from the corner of cards (radial-gradient(circle at 0% 0%, #000ED6, transparent 47%)), lines the popular pricing card, and fills progress bars.
- Mono eyebrows. Every section opens with a Roboto Mono uppercase label at 13px with 1px tracking: WE ARE JUSTIX, WHY CHOOSE US, START YOUR JOURNEY, (04).
- Two-tone headlines. Part of a headline is dimmed: Built for ambitious brands with ambitious at 40%, We build it. in lavender. Long statements reveal word by word on scroll, from 40% to full white.
- Dash nav. Each nav link has a 14 × 2px dash before it: — Home — Studio — Work — News, next to a small white Contact Us button and a square + menu button.
Justix is a dark-only design.
Colors
Surfaces
#000000Page background below the hero
#111111Testimonial panels, work card header bars
#222222The + menu square
#333333FAQ number chips
#0D0D10Inputs and the subscribe field
Ink
#000000Text on primary
#FFFFFF#FFFFFF#FFFFFFHeadlines, nav, labels
#FFFFFF · 70%Paragraphs (p { opacity: .7 }), list items, footer links
#FFFFFF · 60%Section intros on the right of title rows, category titles
#FFFFFF · 40%Dimmed words in headlines and unrevealed words in scroll-reveal text (219 uses)
#000000Text on secondary
#FFFFFFAction
#FFFFFFWhite buttons
#2B2B2BThe dark fill that slides up inside the button on hover
#000ED6Hero field, corner glows, popular-plan glow, progress fill
#C9CDFFThe lavender tone used on 7 elements, matching the second sentence of the hero
#B3B2AFThe footer subscribe button and its hover fill
#232323With secondary: The footer subscribe button and its hover fill
Lines & effects
#FFFFFF · 15%1px borders on bento and pricing cards
#FFFFFF · 10%Input borders, FAQ chip borders
#242424Solid 1px borders on 4 cards
#FFFFFF · 10%The floating plus card
#09000B · 40%40px icon chips on images
Typography
Inter · display-hero
The quick brown fox jumpsWe don't wait for the future. 80px · 500 · 1.0 · -2px
Inter · headline-lg
The quick brown fox jumpsBuilt for ambitious brands that value clarity. 51px · 500 · 1.0 · -2px
Inter · title-lg
The quick brown fox jumpsScroll-reveal statement, testimonial quotes, card statements. 27px · 500 · 1.1 · -1px
Inter · body-lg
The quick brown fox jumpsHero subline A premium marketing template built for bold brand launches. 19px · 500 · 1.3 · -0.2px
Inter · nav
The quick brown fox jumpsNav links. 16px · 500 · 1.1
Inter · label
The quick brown fox jumpsButtons. 16px · 600 · 1.0
Spacing & shape
| Purpose | Value |
|---|---|
| Container | max 1300px, centred |
| Section rhythm | 150px top on every section; .section drops to 80px top and bottom at ≤991, and the bottom to 20px at ≤479 |
| Breakpoints | 991px, 767px, 479px |
Spacing scale
| Token | Value | Preview |
|---|---|---|
xs | 10px | |
sm | 20px | |
md | 30px | |
lg | 50px | |
xl | 60px | |
2xl | 100px |
Layout spacing
| Token | Value | Preview |
|---|---|---|
card-gap | 10px | |
grid-gap | 20px | |
gutter | 29px | |
nav-height | 85px | |
section | 150px |
Border radius
Surfaces
How the surfaces stack, from the page background up. Hex codes and roles are in Colors above.
Motion
| Smooth scroll | Lenis on the page |
| Hero | Unicorn Studio WebGL blob |
| Word reveal | SplitText words go from 40% to 100% white, ScrollTrigger from top bottom to bottom 100, scrub 0.8 |
| Split stagger in | power1.out, 350–1000ms with stagger; expo 800ms for larger moves |
| Fade up | opacity 0 → 1, y 20px → 0, 500ms; or 300ms ease on hover reveals |
| Slow fade | Opacity to 1 over 1000ms outQuart |
| Scale in | scale → 1, 400ms outSine |
| Text roll | y 100% → 0%, 500ms cubic-bezier(0.614, 0.03, 0, 0.983) |
| Logo marquee | Continuous power1.in loop over about 230–265s |
| Parallax | y −5vh ↔ 5vh and x −42vw ↔ 42vw, scroll-linked |
| Button hover | Dark layer slides up, label rolls, 300ms ease |
| Arrow nudge | x ±3px, y −3px, 500ms |
| Subscribe hover | Background change, 300ms |
Do’s and don’ts
- Keep the canvas #000000 and use #000ED6 only as light: radial corner glows, the hero field, the popular-plan inset glow.
- Open each section with a Roboto Mono uppercase eyebrow at 13px with 1px tracking.
- Set headlines in Inter 500 with −1 to −2px tracking, and dim one or two words to #FFFFFF66 for emphasis.
- Use black cards with a 1px #FFFFFF26 border and a 10px radius, 10px apart.
- Use the small white button (45px tall, 10px radius) with the #2B2B2B slide-up hover.
- Lay out title rows on a 4-column grid: eyebrow, title, empty, intro at 60%.
- Fill buttons, text or large areas below the hero with blue; it is a glow, not a fill.
- Use #FFFFFF66 (ink-faint) for text under 27px; it is for dimmed headline words only.
- Use pill shapes or radii above 25px.
- Use the declared Libre Caslon font or any serif.
- Add drop shadows; use the inset glow and hairlines instead.
- Use uppercase Inter; uppercase belongs to Roboto Mono.
Example prompt
Any page in the Justix style
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Get All AccessUpgrade to All AccessHow to use the Justix design system
Pick a file to see what it’s for and where it goes.
What it is
The whole design system in one markdown file, written for AI: every color, type style, spacing value, component and motion rule, plus do's, don'ts and a ready prompt.
Best for
Claude, ChatGPT, Gemini, Cursor and v0, or any other AI tool that builds pages or code.
How to use it
- Put
DESIGN.mdin your project and mention it in your request, or save it as.cursor/rules/justix.mdc - For the rule file, start it with a front-matter block that sets
alwaysApply: true, so every chat uses it - Ask: “Build a pricing page using DESIGN.md.” Cursor follows the colors, fonts, spacing and rules
- Put
DESIGN.mdin the project root - Add one line to
CLAUDE.md: “Follow DESIGN.md for all UI.” - Ask for any page or component; Claude reads the file first
- Attach
DESIGN.mdto the chat (or paste it in) - Ask: “Build a landing page in this design system.”
- Keep the file in the chat or project knowledge, so follow-up pages stay on style
What it is
Every token as data, in the W3C Design Tokens format: colors with their roles, type styles, radius, spacing, and component tokens that point at them.
Best for
Figma (Tokens Studio), Style Dictionary and other design-token tools, and build scripts.
How to use it
- In Figma, open Tokens Studio, choose Import, and pick
tokens.json - Or point Style Dictionary’s
sourceat it to generate tokens for any platform - In code, import it like any JSON file
What it is
A Tailwind CSS v4 theme: every color, font, type style, radius and spacing value becomes a Tailwind utility, like bg-canvas, text-headline-lg or rounded-md.
Best for
Tailwind v4 projects, and AI builders that write Tailwind (v0, Lovable, Bolt).
How to use it
- Save
theme.cssnext to your main CSS file - Import it after Tailwind:
@import "tailwindcss"; @import "./theme.css"; - Use the classes:
bg-canvas text-ink rounded-md p-lg
What it is
The same tokens as plain CSS variables on :root. Component values point at the color variables, so changing one color updates everything that uses it.
Best for
Any website: plain CSS, Webflow custom code, Framer, WordPress.
How to use it
- Add it to your stylesheet, or in Webflow paste it into Site settings → Custom code inside a
<style>tag - Use the variables anywhere:
color: var(--color-ink) - Change a token once and every place that uses it follows