# Logo Usage Rules

Guidelines for proper logo implementation across all marketing materials.

## Logo Variants

### Primary Variants
| Variant | File Name | Use Case |
|---------|-----------|----------|
| Full Horizontal | logo-full-horizontal.{ext} | Website headers, documents |
| Stacked | logo-stacked.{ext} | Square spaces, social avatars |
| Icon Only | logo-icon.{ext} | Favicons, app icons, small spaces |
| Wordmark Only | logo-wordmark.{ext} | When icon already present |

### Color Variants
| Variant | Use Case |
|---------|----------|
| Full Color | Default on white/light backgrounds |
| Reversed | On dark backgrounds |
| Monochrome Dark | On light backgrounds when color not possible |
| Monochrome Light | On dark backgrounds when color not possible |

## Clear Space

### Minimum Clear Space
The clear space around the logo should equal the height of the logo mark (icon portion).

```
    ┌─────────────────────────────┐
    │           [x]               │
    │   ┌───────────────────┐     │
    │   │                   │     │
[x] │   │    [LOGO]         │ [x] │
    │   │                   │     │
    │   └───────────────────┘     │
    │           [x]               │
    └─────────────────────────────┘
```

Where [x] = height of logo mark

## Minimum Size

### Digital
| Format | Minimum Width | Notes |
|--------|---------------|-------|
| Full Logo | 120px | All elements legible |
| Icon Only | 24px | Favicon/small icons |
| Icon Only | 32px | UI elements |

### Print
| Format | Minimum Width | Notes |
|--------|---------------|-------|
| Full Logo | 35mm | Business cards, letterhead |
| Icon Only | 10mm | Small print items |

## Color Usage

### Approved Backgrounds
| Background | Logo Version |
|------------|--------------|
| White | Full color or dark mono |
| Light gray (#F5F5F5+) | Full color or dark mono |
| Brand primary | Reversed (white) |
| Dark (#333 or darker) | Reversed (white) |
| Photography | Ensure sufficient contrast |

### Color Rules
1. Never change logo colors outside approved palette
2. Don't use gradients on the logo
3. Don't apply transparency to logo elements
4. Don't add shadows or effects

## Incorrect Usage

### Absolute Don'ts
- ❌ Stretch or compress logo
- ❌ Rotate at angles
- ❌ Add drop shadows
- ❌ Apply gradient fills
- ❌ Use unapproved colors
- ❌ Add strokes or outlines
- ❌ Place on busy backgrounds
- ❌ Crop any portion
- ❌ Rearrange elements
- ❌ Add additional elements

### Visual Examples
```
WRONG: Stretched      WRONG: Rotated       WRONG: Wrong color
┌──────────────┐      ┌────────┐          ┌────────┐
│   L O G O    │      │  /    │          │ LOGO   │ <- wrong color
└──────────────┘      │ /LOGO │          └────────┘
                      └───────/
```

## Co-branding

### Partner Logo Guidelines
1. Equal visual weight (same height)
2. Adequate separation between logos
3. Use divider line if needed
4. Both logos in their approved colors
5. Clear space applies to both

### Layout Options
```
Option A: Side by side with divider
[OUR LOGO] | [PARTNER LOGO]

Option B: Stacked
    [OUR LOGO]
        +
  [PARTNER LOGO]
```

## File Formats

### Recommended Formats
| Usage | Format | Notes |
|-------|--------|-------|
| Web | SVG | Preferred, scalable |
| Web fallback | PNG | With transparency |
| Print | PDF | Vector, high quality |
| Print alt | EPS | Legacy systems |
| Documents | PNG | High res (300dpi) |

### File Organization
```
assets/logos/
├── full-horizontal/
│   ├── logo-full-color.svg
│   ├── logo-full-color.png
│   ├── logo-reversed.svg
│   ├── logo-mono-dark.svg
│   └── logo-mono-light.svg
├── icon-only/
│   ├── icon-full-color.svg
│   ├── icon-reversed.svg
│   └── favicon.ico
└── monochrome/
    ├── logo-black.svg
    └── logo-white.svg
```

## Platform-Specific Guidelines

### Social Media
| Platform | Format | Size | Notes |
|----------|--------|------|-------|
| LinkedIn | PNG | 300x300px | Icon only |
| Twitter/X | PNG | 400x400px | Icon only |
| Facebook | PNG | 180x180px | Icon only |
| Instagram | PNG | 320x320px | Icon only |

### Website
| Location | Variant | Size |
|----------|---------|------|
| Header | Full horizontal | 120-200px width |
| Footer | Full horizontal | 100-150px width |
| Favicon | Icon only | 32x32px |
| Apple Touch | Icon only | 180x180px |

### Documents
| Document | Variant | Placement |
|----------|---------|-----------|
| Letterhead | Full horizontal | Top left |
| Presentation | Icon + wordmark | Title slide |
| Report | Full horizontal | Cover + footer |

## Logo Approval Process

### Before Using Logo
1. Verify you have the correct version
2. Check background compatibility
3. Ensure minimum size requirements
4. Confirm clear space allocation
5. Review against these guidelines

### Requesting Approval
For non-standard uses:
1. Submit mockup showing proposed usage
2. Include context (medium, audience)
3. Wait for brand team approval
4. Document approved exceptions
