frontier-ui

Frontier Code UI standards based on Hero section patterns (dark theme, cyan/purple accents, gradients, glowing effects). Trigger: When creating/modifying UI components, sections, or visual elements.

SKILL.md

GitHub

When to Use

  • Creating or modifying any UI component (buttons, cards, sections, etc.)
  • Designing new page sections
  • Adding interactive elements with hover states
  • Implementing typography and color schemes
  • Creating visual effects (glows, gradients, animations)
  • Working with responsive layouts

Critical Patterns

Brand Guidelines

Official Brand Colors (from Brand Identity Manual - see docs/Frontiercode/BRAND IDENTITY/)

  • Primary Blue: #0862C8 (PANTONE 2387 C) - Main brand color
  • Primary Cyan: #2AD1C9 (PANTONE 3252 C) - Secondary brand color
  • Dark Neutral: #0C171A (PANTONE Black 6 C) - Backgrounds, dark elements
  • Light Neutral: #DEE6EC (PANTONE 656 C) - Light text, backgrounds

Prohibited by Brand Guidelines:

  • ❌ NO glow effects (brillo/resplandor)
  • ❌ NO blur effects
  • ❌ NO color palette changes
  • ❌ NO logo modifications (rotation, distortion, recoloring)
  • ❌ NO adding graphical effects of any type

Color Palette

Backgrounds (Dark Theme)

  • Primary: #0C171A (brand dark neutral)
  • Secondary: Use dark-900, dark-800 as fallbacks
  • Accents: dark-800/50 (semi-transparent)

Accent Colors (Use Hex Codes or Custom Tailwind Colors)

  • Primary: #0862C8 (brand blue) - for buttons, links, CTAs
  • Secondary: #2AD1C9 (brand cyan) - for highlights, accents
  • Neutral Dark: #0C171A - for backgrounds
  • Neutral Light: #DEE6EC - for text on dark backgrounds

Tailwind Color Mapping (predefined in theme.css):

// Available as: text-frontier-blue, bg-frontier-cyan, etc.
--color-frontier-blue: #0862C8,
--color-frontier-cyan: #2AD1C9,
--color-frontier-dark: #0C171A,
--color-frontier-light: #DEE6EC,

Text Colors

  • Primary: #DEE6EC (light neutral) on dark backgrounds
  • Secondary: dark-400
  • Muted: dark-500

Gradients

Text Gradients (use brand colors)

<span class="bg-linear-to-r from-frontier-blue to-frontier-cyan bg-clip-text text-transparent">
  Frontier Code
</span>

Background Gradients

<!-- Hero background -->
<div class="bg-linear-to-br from-frontier-dark via-dark-900 to-frontier-dark"></div>

<!-- Button gradient -->
<div class="bg-linear-to-r from-frontier-blue to-frontier-cyan"></div>

<!-- Text gradient with brand colors -->
<span class="bg-linear-to-r from-frontier-cyan to-frontier-blue bg-clip-text text-transparent"></span>

Typography

Official Brand Fonts (from Brand Identity Manual)

  • MONDA: Geometric, structured - Use for headings, brand elements
  • NUNITO SANS: Rounded, organic - Use for body text, UI elements
  • Both fonts use Regular weight by default

Font Setup (add to tailwind.config):

fontFamily: {
  'monda': ['Monda', 'sans-serif'],
  'nunito': ['Nunito Sans', 'sans-serif'],
}

Hero Headings (Monda, bold)

<h1 class="font-monda text-5xl sm:text-6xl md:text-7xl lg:text-8xl font-bold">
  Title
</h1>

Subheadings (Monda, light weight)

<h2 class="font-monda text-2xl sm:text-3xl md:text-4xl lg:text-5xl font-light text-frontier-light">
  Subtitle
</h2>

Body Text (Nunito Sans)

<p class="font-nunito text-lg sm:text-xl text-dark-400 leading-relaxed">
  Description text
</p>

Small Labels (Nunito Sans, mono style)

<span class="font-nunito px-4 py-2 bg-dark-800/50 border border-frontier-cyan/30 rounded-full text-frontier-cyan text-sm">
  &lt;Frontier /&gt;
</span>

Status Badges

<div class="flex items-center gap-2">
  <div class="w-2 h-2 bg-frontier-cyan rounded-full animate-pulse"></div>
  <span class="font-nunito text-dark-500 text-sm">Status</span>
</div>

Spacing

Vertical Spacing

  • Sections: py-16 sm:py-20 lg:py-24
  • Margin between elements: mb-8, mb-12, mb-16
  • Gap: gap-2, gap-4, gap-8

Borders

Subtle Borders (use brand colors)

<!-- Outline button/badge -->
class="border-2 border-frontier-cyan/50"

<!-- Badge border -->
class="border border-frontier-cyan/30"

<!-- Hover state border -->
class="hover:border-frontier-cyan"

Rounded Corners

  • Buttons/badges: rounded-lg
  • Circular elements: rounded-full

Animations

Pulse Animation

class="animate-pulse"
<!-- Add delay for staggered effects -->
style="animation-delay: 0.2s;"

Bounce Animation

class="animate-bounce"

Custom Blink (Cursor)

<style>
  @keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
  }
  .animate-blink {
    animation: blink 1s infinite;
  }
</style>
<span class="w-2 h-8 bg-frontier-cyan animate-blink"></span>

Transitions

Standard Transitions

class="transition-all duration-300"

<!-- Hover effects -->
class="hover:scale-105"
class="hover:bg-frontier-cyan/10"
class="hover:border-frontier-cyan hover:text-frontier-cyan"

<!-- Opacity transitions -->
class="opacity-0 group-hover:opacity-100 transition-opacity duration-300"

Buttons

Primary Gradient Button (brand colors, NO shadows per brand guidelines)

<a href="#" class="group relative px-8 py-4 bg-linear-to-r from-frontier-blue to-frontier-cyan text-white font-semibold rounded-lg overflow-hidden transition-all duration-300 hover:scale-105">
  <span class="relative flex items-center gap-2">
    <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
      <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="..." />
    </svg>
    <span>Button Text</span>
  </span>
</a>

Outline Button (brand colors)

<a href="#" class="px-8 py-4 border-2 border-frontier-cyan/50 text-frontier-cyan font-semibold rounded-lg hover:bg-frontier-cyan/10 hover:border-frontier-cyan hover:text-frontier-cyan transition-all duration-300 hover:scale-105">
  Button Text
</a>

Sections

Hero Section Structure (NO glow orbs per brand guidelines)

<section id="hero" class="relative min-h-screen flex items-center justify-center overflow-hidden bg-frontier-dark">
  <!-- Background layers -->
  <div id="particles" class="absolute inset-0 opacity-20"></div>
  <div class="absolute inset-0 bg-linear-to-br from-frontier-dark via-dark-900 to-frontier-dark"></div>

  <!-- Grid pattern -->
  <div class="absolute inset-0 bg-[linear-gradient(rgba(42,209,201,0.03)_1px,transparentlinear-gradient(90_1px),deg,rgba(42,209,201,0.03)_1px,transparent_1px)] bg-[size:50px_50px]"></div>

  <!-- Content -->
  <Container>
    <div class="relative z-10 max-w-5xl mx-auto text-center">
      <!-- Content goes here -->
    </div>
  </Container>
</section>

Standard Section

<section id="{id}" class="relative py-16 sm:py-20 lg:py-24 bg-frontier-dark">
  <Container>
    <div class="max-w-6xl mx-auto">
      <!-- Section content -->
    </div>
  </Container>
</section>

Container Pattern

<div class="relative z-10 max-w-5xl mx-auto text-center">
  <!-- Centered content -->
</div>

<div class="max-w-6xl mx-auto">
  <!-- Full-width container -->
</div>

<div class="max-w-3xl mx-auto leading-relaxed">
  <!-- Text content -->
</div>

Responsive Design

Always use mobile-first responsive utilities:

<!-- Spacing -->
class="py-16 sm:py-20 lg:py-24"

<!-- Typography -->
class="text-5xl sm:text-6xl md:text-7xl lg:text-8xl"

<!-- Layout -->
class="flex flex-col sm:flex-row gap-4 justify-center"

Icons

<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
  <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="..." />
</svg>

Code Examples

Complete Badge Component

---
const { label = '', color = 'cyan' } = Astro.props;
const colors = {
  cyan: 'text-frontier-cyan border-frontier-cyan/30 bg-dark-800/50',
  blue: 'text-frontier-blue border-frontier-blue/30 bg-dark-800/50',
  green: 'text-green-400 border-green-500/30 bg-dark-800/50'
};
---
<span class={`px-4 py-2 rounded-full text-sm border ${colors[color]}`}>
  {label}
</span>

Status Indicator with Delay

---
const { status = '', color = 'cyan', delay = 0 } = Astro.props;
const colors = {
  cyan: 'bg-frontier-cyan',
  blue: 'bg-frontier-blue',
  green: 'bg-green-500'
};
---
<div class="flex items-center gap-2">
  <div class={`w-2 h-2 ${colors[color]} rounded-full animate-pulse`} style={`animation-delay: ${delay}s;`}></div>
  <span class="text-dark-500 text-sm">{status}</span>
</div>

Decision Tree: Which Style to Apply?

Situation Use
Primary action Gradient button from-frontier-blue to-frontier-cyan
Secondary action Outline button border-frontier-cyan/50
Headings Large with text gradient from-frontier-cyan to-frontier-blue using MONDA font
Subheadings Light weight font-light text-frontier-light using MONDA font
Body text NUNITO SANS with leading-relaxed
Labels/badges Rounded pill rounded-full with subtle border
Background Dark bg-frontier-dark with gradient overlay
Hover effects hover:scale-105 with color transitions (NO shadows per brand guidelines)
Grid patterns bg-[linear-gradient(...)] bg-[size:50px_50px]

Anti-Patterns

❌ PROHIBITED by Brand Guidelines:

  • Glow effects (brillo/resplandor) - including text-shadow with blur
  • Blur effects (blur-3xl, blur effects on backgrounds)
  • Logo modifications (rotation, distortion, recoloring)
  • Using blue color (not in brand palette)
  • Adding graphical effects of any type

❌ Don't use:

  • White backgrounds for main sections (use frontier-dark)
  • Colors outside brand palette (frontier-blue, frontier-cyan, frontier-dark, frontier-light)
  • Sharp corners on buttons/badges (use rounded-lg/rounded-full)
  • Text without spacing (add leading-relaxed)
  • Missing responsive utilities (always add sm: md: lg:)

Commands

No specific commands - UI is purely declarative through Tailwind classes.

Resources

  • Brand Identity Manual: docs/Frontiercode/BRAND IDENTITY/ (10 PNG pages with official guidelines)
  • Examples: Hero section at src/components/sections/Hero.astro
  • Color Reference:
    • Primary Blue: #0862C8 (PANTONE 2387 C)
    • Primary Cyan: #2AD1C9 (PANTONE 3252 C)
    • Dark Neutral: #0C171A (PANTONE Black 6 C)
    • Light Neutral: #DEE6EC (PANTONE 656 C)
  • Typography: MONDA (headings), NUNITO SANS (body text)
  • Animation Library: Tailwind built-in + custom @keyframes for blinking
  • Brand Guidelines Source: Official Frontiercode Brand Identity document

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