brand-guidelines

Design

Applies official Kortix colors, type, and layout from kortix.com to decks, docs, slides, and other artifacts. Use when matching brand visuals, formatting deliverables, or checking work against company design standards.

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Source SKILL.md: https://github.com/kortix-ai/suna/blob/HEAD/.claude/skills/brand-guidelines/SKILL.md

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Kortix Brand Styling

Overview

This skill is the entry point for Kortix visual identity on kortix.com—colors, typography, accents, shadows, spacing, and motion for any branded output.

Keywords: Kortix, kortix.com, brand identity, visual identity, brand colors, typography, Roobert, styling, layout, corporate design, post-processing

Brand Guidelines

Colors

All values are hex, converted from the source OKLCH tokens. Build on a neutral base and use a single accent per surface — never a rainbow.

Core neutrals (Light / Dark):

Token	Light	Dark	Use
Background	`#FFFFFF`	`#0A0A0A`	Page background
Foreground	`#0A0A0A`	`#FAFAFA`	Primary text
Card / surface	`#F3F3F3`	`#171717`	Elevated surfaces
Muted surface	`#F5F5F5`	`#262626`	Secondary surfaces, fills
Muted text	`#737373`	`#A1A1A1`	Secondary / supporting text
Border	`#E5E5E5`	`#27272A`	Hairlines, dividers, outlines
Input	`#F2F2F2`	`#262626`	Form field fills
Ring (focus)	`#A1A1A1`	`#737373`	Focus rings
Primary	`#171717`	`#E5E5E5`	High-emphasis fills / buttons

Brand accents (pick ONE per surface):

Blue: #2B91F7 — primary semantic accent
Yellow: #CCA300
Orange: #D18B19
Green: #8AD693
Purple: #AB80D6
Red: #F14B4C

Chart ramp (data visualization only): #FFD230 → #FE9A00 → #E17100 → #BB4D00 → #973C00

Destructive: #E7000B (light) / #FF6467 (dark)

Typography

Sans (headings & body): Roobert — fallback to Inter, then system sans; never serif or decorative display
Mono (code & product nouns): Roobert Mono — kortix.yaml, sessions, CLI, paths, identifiers; fallback to system mono
Weights: Regular, Medium, Semibold only (2–3 per surface); avoid Light at small sizes and Black except hero covers
Scale: Hero 56–72px / 40–54pt · Display 36–48px / 28–36pt · Heading 24–28px / 18–22pt · Body 16px / 11–12pt · Caption 12–14px / 9–10pt
Note: Roobert should be pre-installed for best results; it falls back cleanly to Inter when unavailable

Tracking & leading:

Tracking: 0em (normal) is the default for body and most UI. Apply tight tracking (-0.01 to -0.02em) only on hero / large display type. Never loosen body tracking.
Leading: Headings 1.15–1.25× · Body 1.5–1.6× · Caption 1.4×. Keep body measure 45–75 characters.

Logo

Do not invent marks, alternate wordmarks, or decorative lockups.

Rules:

16:9 layouts (slides/covers): use the Kortix symbol only, placed top-left. Use the full logo (symbol + wordmark) only when the full logo is explicitly requested.
Light surfaces: recolor fills to near-black #0A0A0A. Prefer the symbol alone unless the layout needs the full wordmark.
Dark surfaces: use white fills #FAFAFA. Never place the white logomark on light backgrounds.
One mark per surface — same placement discipline as accents (no competing logos).
Recoloring: edit fill/stroke/currentColor to #0A0A0A or #FAFAFA; never substitute a different shape.

Spacing & Radius

Spacing unit: 0.23rem base (--spacing). Build gaps and padding as multiples of this unit for consistent rhythm.
Radius: 0.625rem (10px) base (--radius). Use md for cards and controls, lg (≈1rem) for large panels and covers.
Border width: 1px everywhere; rely on the border token, not heavier strokes.

Shadows

Shadows are subtle only — low opacity, small offsets, no glow or neon. Shadow color: #1A1F2E (light) / #000000 (dark).

Level	Offset / blur	Opacity
`2xs`/`xs`	`0px 1px 2px`	`0.02`
`sm` / —	`0px 1px 2px` + `0px 1px 2px -1px`	`0.04`
`md`	`0px 1px 2px` + `0px 2px 4px -1px`	`0.04`
`lg`	`0px 1px 2px` + `0px 4px 6px -1px`	`0.04`
`xl`	`0px 1px 2px` + `0px 8px 10px -1px`	`0.04`
`2xl`	`0px 1px 2px`	`0.10`

Motion

Animate with purpose — fade, slide, or product-reveal only.

Durations: fast 100ms · normal 150ms · moderate 200ms · slow 300ms · slower 500ms
Easing: default cubic-bezier(0.2, 0, 0, 1) · in cubic-bezier(0.4, 0, 1, 1) · out cubic-bezier(0, 0, 0.2, 1) · in-out cubic-bezier(0.4, 0, 0.2, 1)
Default pairing: 150–200ms with ease-default for most UI transitions.

Features

Smart Font Application

Applies Roobert to headings and body (3–4 text styles max per surface: title, heading, body, caption)
Applies Roobert Mono to product nouns, paths, commands, and config snippets
Automatically falls back to Inter / system sans if Roobert unavailable
Preserves readability across all systems

Text Styling

Hero / cover: Roobert Semibold, tight tracking, one per cover
Headings (24px+): Roobert Medium or Semibold, leading 1.15–1.25×
Body: Roobert Regular, 16px floor, leading 1.5–1.6×, measure 45–75 characters
Smart color selection: neutral surfaces with one meaningful accent
Flush-left / ragged-right; no justified body; preserve hierarchy

Shape and Accent Colors

Neutral (black/white/gray) surfaces with one accent per artifact
Non-text shapes use a single chosen accent from the palette above
Semantic colors (error, chart ramp) only when content requires them
Subtle shadows only (see scale above) — no glow or neon

Technical Details

Font Management

Uses system-installed Roobert and Roobert Mono when available
Provides automatic fallback to Inter / system sans, and any mono for code
No font installation required for drafts — works with fallbacks
For best results, pre-install Roobert and Roobert Mono in your environment

Color Application

Uses hex/RGB values for precise brand matching
Light mode: background #FFFFFF, foreground #0A0A0A, border #E5E5E5
Dark mode: background #0A0A0A, foreground #FAFAFA, border #27272A
See Spacing & Radius, Shadows, and Motion above for the rest of the token system

Voice (copy on branded artifacts)

Direct, product-grounded; concrete nouns: sessions, repos, sandboxes, skills, change requests
Banned: "unlock productivity", "AI transformation", "seamless", "revolutionary", and other generic SaaS claims with no mechanism
One audience per sentence; lead with real product proof, not abstract AI art

For positioning, terminology, audience pitches, and the full don't-say / prefer wording list, use ../internal-comms/SKILL.md — the verbal source of truth that complements these visual guidelines.

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