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Brain/TekDek-CSS-Specification.md

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TekDek CSS Specification Guide

For: Icarus (CSS/Design)
Project: Documentation Website Styling
Date: 2026-04-12

QUICK REFERENCE: COLOR PALETTE

Primary Background:   #0d0d0f (near black)
Text (primary):       #e0e0e0 (light gray)
Text (secondary):     #7B8794 (steel blue)
Accent (primary):     #C4A24E (gold)
Accent (secondary):   #E07A2F (amber/orange)
Border Color:         #2a2a2d (dark gray)

CSS Variables Template:

:root {
    --color-bg: #0d0d0f;
    --color-fg: #e0e0e0;
    --color-gold: #C4A24E;
    --color-steel: #7B8794;
    --color-amber: #E07A2F;
    --color-border: #2a2a2d;
}

TYPOGRAPHY STACK

Element Font Size Weight Line Height
h1 Cinzel 3rem 600 1.2
h2 Cinzel 2.25rem 600 1.2
h3 Cinzel 1.75rem 600 1.2
h4 Cinzel 1.5rem 600 1.2
h5 Cinzel 1.25rem 600 1.2
h6 Cinzel 1.1rem 600 1.2
Body Inter 1rem (16px) 400 1.6
Body (bold) Inter 1rem 600 1.6
Code JetBrains Mono 0.95rem 400 1.5
Code (bold) JetBrains Mono 0.95rem 500 1.5

Font Import:

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;600;700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

SPACING SCALE

--spacing-xs:   0.5rem   (8px)
--spacing-sm:   1rem     (16px)
--spacing-md:   1.5rem   (24px)
--spacing-lg:   2rem     (32px)
--spacing-xl:   3rem     (48px)
--spacing-2xl:  4rem     (64px)

Where to Use

  • xs: Tight spacing within components (badges, inline labels)
  • sm: Standard padding for buttons, form fields
  • md: Section spacing, margin between elements
  • lg: Space between major layout sections
  • xl: Page-level spacing, large gaps
  • 2xl: Full-screen padding, hero sections

COMPONENT SPECIFICATIONS

Buttons

Primary Button

.btn-primary {
    background: #C4A24E;        /* Gold */
    color: #0d0d0f;             /* Dark background */
    padding: 1rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    font-family: 'Cinzel', serif;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background: #E07A2F;        /* Amber */
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(196, 162, 78, 0.3);
}

.btn-primary:active {
    transform: translateY(0);
}

Secondary Button

.btn-secondary {
    background: transparent;
    color: #C4A24E;             /* Gold text */
    border: 2px solid #C4A24E;
    padding: 0.875rem 1.375rem; /* Account for border */
    border-radius: 6px;
    font-weight: 600;
    font-family: 'Cinzel', serif;
    transition: all 0.2s ease;
    cursor: pointer;
}

.btn-secondary:hover {
    background: #C4A24E;        /* Gold fill */
    color: #0d0d0f;
}

Specs:

  • Minimum height: 44px (touch-friendly)
  • Minimum width: 80px
  • Padding: 1rem 1.5rem
  • Border radius: 6px
  • Font size: inherit or 1rem
  • Cursor: pointer

Cards

Base Card

.card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid #2a2a2d;
    border-radius: 8px;
    padding: 2rem;
    transition: all 0.2s ease;
}

.card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: #C4A24E;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

Quick Link Card

.quick-link-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid #2a2a2d;
    border-radius: 8px;
    padding: 2rem;
    transition: all 0.2s ease;
}

.quick-link-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: #C4A24E;
    transform: translateY(-4px);  /* Lift higher on hover */
}

.quick-link-card h3 a {
    color: #C4A24E;
}

.quick-link-card p {
    color: #7B8794;             /* Steel */
}

Header & Navigation

Header Style

.site-header {
    background: linear-gradient(135deg, #0d0d0f 0%, rgba(0, 0, 0, 0.5) 100%);
    border-bottom: 1px solid #2a2a2d;
    height: 80px;
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1;
}

.logo-text {
    font-family: 'Cinzel', serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: #C4A24E;
    transition: color 0.2s ease;
}

.logo a:hover .logo-text {
    color: #E07A2F;
}

Navigation Menu

.menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.menu-link {
    color: #e0e0e0;
    padding: 0.5rem 1rem;
    transition: color 0.2s ease;
    text-decoration: none;
    border-bottom: 2px solid transparent;
}

.menu-link:hover {
    color: #C4A24E;
}

.menu-link.active {
    color: #C4A24E;
    border-bottom-color: #C4A24E;
}

Dropdown Menu

.menu-level-1 {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: rgba(13, 13, 15, 0.95);
    border: 1px solid #2a2a2d;
    border-radius: 6px;
    padding: 1rem 0;
    min-width: 200px;
    z-index: 100;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

.menu-item.has-submenu:hover .menu-level-1 {
    display: block;
}

.menu-level-1 .menu-link {
    display: block;
    padding: 1rem 1.5rem;
    border: none;
}

Hero Section

Hero Container

.hero-section {
    padding: 4rem 0;
    text-align: center;
    background: linear-gradient(135deg, rgba(196, 162, 78, 0.05) 0%, rgba(224, 122, 47, 0.05) 100%);
    border-radius: 12px;
    margin-bottom: 4rem;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #C4A24E, #E07A2F);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: #7B8794;
    margin-bottom: 1.5rem;
}

.hero-desc {
    font-size: 1.1rem;
    color: #e0e0e0;
    margin-bottom: 3rem;
    line-height: 1.8;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

Footer

Footer Style

.site-footer {
    background: rgba(0, 0, 0, 0.3);
    border-top: 1px solid #2a2a2d;
    padding: 4rem 1.5rem;
    margin-top: 4rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.footer-content p {
    margin-bottom: 0.5rem;
    color: #e0e0e0;
}

.footer-tagline {
    color: #7B8794;
    font-size: 0.9rem;
}

.footer-link {
    color: #7B8794;
    transition: color 0.2s ease;
}

.footer-link:hover {
    color: #C4A24E;
}

Content Layout

Article Container

.content-article {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid #2a2a2d;
    padding: 3rem;
    border-radius: 8px;
}

.content-body h2 {
    margin-top: 3rem;
    margin-bottom: 1.5rem;
}

.content-body ul,
.content-body ol {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
}

.content-body li {
    margin-bottom: 0.5rem;
}

Sidebar

.content-sidebar {
    position: sticky;
    top: calc(80px + 1.5rem);
    height: fit-content;
}

.sidebar-section {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid #2a2a2d;
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.section-link {
    display: block;
    color: #7B8794;
    padding: 0.5rem 1rem;
    border-left: 3px solid transparent;
    transition: all 0.2s ease;
}

.section-link:hover {
    color: #C4A24E;
    border-left-color: #C4A24E;
}

.section-link.active {
    color: #C4A24E;
    border-left-color: #C4A24E;
}

RESPONSIVE BREAKPOINTS

/* Default: Desktop (1200px+) */
body { font-size: 16px; }

/* Tablet (768px and below) */
@media (max-width: 768px) {
    body { font-size: 15px; }
    
    .menu-toggle { display: flex; }
    .site-nav { /* Mobile menu styles */ }
    .content-container { grid-template-columns: 1fr; }
    .footer-container { flex-direction: column; }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    
    .hero-title { font-size: 2.5rem; }
    .quick-links-grid { grid-template-columns: 1fr; }
}

/* Mobile (480px and below) */
@media (max-width: 480px) {
    body { font-size: 14px; }
    
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.25rem; }
    h3 { font-size: 1.1rem; }
    
    .hero-title { font-size: 1.75rem; }
    .btn { padding: 0.5rem 1rem; }
    .site-main { padding: 1.5rem 0.5rem; }
}

ACCESSIBILITY REQUIREMENTS

Color Contrast

Must meet WCAG AA (4.5:1 for normal text, 3:1 for large text)

Combination Ratio Status
Gold (#C4A24E) on Dark (#0d0d0f) ~5.2:1 ✅
Steel (#7B8794) on Dark (#0d0d0f) ~4.5:1 ✅
Amber (#E07A2F) on Dark (#0d0d0f) ~6.8:1 ✅
Light Text (#e0e0e0) on Dark (#0d0d0f) ~16:1 ✅

Focus States

All interactive elements must have visible focus states:

a:focus,
button:focus,
input:focus {
    outline: 2px solid #C4A24E;
    outline-offset: 2px;
}

Touch Targets

  • Minimum 44px × 44px for buttons, links
  • Mobile links need generous padding
  • Hover states clear on touch

TRANSITION & ANIMATION GUIDELINES

Standard Transitions

/* Quick feedback (UI elements) */
transition: all 0.2s ease;

/* Smoother, more natural (larger movements) */
transition: all 0.3s ease;

Common Effects

/* Hover lift */
transform: translateY(-2px);

/* Card expand on hover */
transform: translateY(-4px);
box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);

/* Smooth color change */
color: #C4A24E;
transition: color 0.2s ease;

Performance Notes

  • Use transform and opacity for smooth 60fps animations
  • Avoid animating width/height (causes layout reflow)
  • Keep animations under 300ms for snappiness
  • Test on mobile devices for smooth performance

GRADIENT USAGE

Hero Title Gradient

background: linear-gradient(135deg, #C4A24E, #E07A2F);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;

Header Background

background: linear-gradient(135deg, #0d0d0f 0%, rgba(0, 0, 0, 0.5) 100%);

Hero Section Background

background: linear-gradient(135deg, rgba(196, 162, 78, 0.05) 0%, rgba(224, 122, 47, 0.05) 100%);

TRANSPARENCY SCALE

Use rgba with consistent alpha values for hierarchy:

/* Very subtle */
rgba(255, 255, 255, 0.02);    /* Cards, subtle bg */

/* Subtle */
rgba(255, 255, 255, 0.03);    /* Card containers */

/* Noticeable */
rgba(255, 255, 255, 0.05);    /* Card hover, slight emphasis */

/* Strong */
rgba(255, 255, 255, 0.08);    /* Form inputs, secondary bg */

/* Dark overlays */
rgba(0, 0, 0, 0.3);            /* Footer bg */
rgba(0, 0, 0, 0.5);            /* Header gradient end */

BORDER RADIUS

--radius-sm: 3px;      /* Code blocks, small elements */
--radius-md: 6px;      /* Buttons, inputs, cards */
--radius-lg: 8px;      /* Card containers, larger components */
--radius-xl: 12px;     /* Hero sections, large containers */

BOX SHADOWS

/* Subtle */
box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);

/* Medium (hover states) */
box-shadow: 0 4px 12px rgba(196, 162, 78, 0.3);

/* Strong (dropdown, modal) */
box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);

TESTING CHECKLIST FOR ICARUS

Visual Testing

  • Colors render correctly on multiple monitors
  • Dark theme looks consistent
  • Gold/amber contrast is clear and not too bright
  • Text is readable at all sizes
  • Code blocks have proper contrast

Responsive Testing

  • Desktop layout (1200px+): All 3 columns work
  • Tablet (768px): Navigation collapses, content reflows
  • Mobile (480px): Single column, touch-friendly
  • Hero section scales appropriately
  • Buttons are always 44px+ height

Interaction Testing

  • Hover states are clear on all interactive elements
  • Focus states are visible (keyboard navigation)
  • Transitions are smooth (no jank)
  • Mobile menu toggle works
  • Dropdown menus display correctly

Cross-Browser Testing

  • Chrome (latest)
  • Firefox (latest)
  • Safari (if available)
  • Mobile Chrome
  • Mobile Safari

Accessibility Testing

  • No text is color-only (icons + text or patterns)
  • Color contrast meets WCAG AA
  • Focus indicators visible
  • Button sizes adequate
  • Form inputs keyboard accessible

Performance Testing

  • CSS files minify to < 50KB combined
  • Fonts load without FOIT (flash of invisible text)
  • Animations are smooth 60fps
  • No excessive repaints/reflows
  • Page Insights score > 80

DELIVERABLES FOR TALOS

  1. /css/base.css - ~500 lines

    • Variables, reset, typography, layout

  2. /css/components.css - ~600 lines

    • All UI components (buttons, cards, hero, etc.)

  3. /css/responsive.css - ~400 lines

    • Media queries for tablet and mobile

Total CSS: ~1500 lines (unminified)

Specification Created: 2026-04-12
Status: Ready for Implementation
Next: Icarus builds the three CSS files

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