brutalist-skill

SKILL: Industrial Brutalism & Tactical Telemetry UI

1. Skill Meta

Name: industrial-brutalist-ui. Invoke this skill by that name only. Full title: Industrial Brutalism & Tactical Telemetry Interface Engineering Description: Advanced proficiency in architecting web interfaces that synthesize mid-century Swiss Typographic design, industrial manufacturing manuals, and retro-futuristic aerospace/military terminal interfaces. This discipline requires absolute mastery over rigid modular grids, extreme typographic scale contrast, purely utilitarian color palettes, and the programmatic simulation of analog degradation (halftones, CRT scanlines, bitmap dithering). The objective is to construct digital environments that project raw functionality, mechanical precision, and high data density, deliberately discarding conventional consumer UI patterns.

2. Visual Archetypes

The design system operates by merging two distinct but highly compatible visual paradigms. Pick ONE per project and commit to it. Do not alternate or mix both modes within the same interface.

2.1 Swiss Industrial Print

Derived from 1960s corporate identity systems and heavy machinery blueprints.

• Characteristics: High-contrast light modes (newsprint/off-white substrates). Reliance on monolithic, heavy sans-serif typography. Unforgiving structural grids outlined by visible dividing lines. Aggressive, asymmetric use of negative space punctuated by oversized, viewport-bleeding numerals or letterforms. Heavy use of primary red as an alert/accent color.

2.2 Tactical Telemetry & CRT Terminal

Derived from classified military databases, legacy mainframes, and aerospace Heads-Up Displays (HUDs).

• Characteristics: Dark mode exclusivity. High-density tabular data presentation. Absolute dominance of monospaced typography. Integration of technical framing devices (ASCII brackets, crosshairs). Application of simulated hardware limitations (phosphor glow, scanlines, low bit-depth rendering).

3. Typographic Architecture

Typography is the primary structural and decorative infrastructure. Imagery is secondary. The system demands extreme variance in scale, weight, and spacing.

Font Sourcing: Prefer self-hosted font files obtained from the official foundry or project, pinned to a known version. Load fonts only from trusted official sources.

3.1 Macro-Typography (Structural Headers)

• Classification: Neo-Grotesque / Heavy Sans-Serif.
• Optimal Web Fonts: Neue Haas Grotesk (Black), Inter (Extra Bold/Black), Archivo Black, Roboto Flex (Heavy), Monument Extended.
• Licensing: Neue Haas Grotesk and Monument Extended are commercial typefaces. Use them only with a valid web licence from the official foundry. Inter, Archivo Black and Roboto Flex are the open-licensed defaults for headers.
• Implementation Parameters:
  • Scale: Deployed at massive scales using fluid typography (e.g., clamp(4rem, 10vw, 15rem)).
  • Tracking (Letter-spacing): Extremely tight, often negative (-0.03em to -0.06em), forcing glyphs to form solid architectural blocks.
  • Leading (Line-height): Highly compressed (0.85 to 0.95).
  • Casing: Exclusively uppercase for structural impact.

3.2 Micro-Typography (Data & Telemetry)

• Classification: Monospace / Technical Sans.
• Optimal Web Fonts: JetBrains Mono, IBM Plex Mono, Space Mono, VT323, Courier Prime.
• Licensing: JetBrains Mono and IBM Plex Mono are the open-licensed defaults for data text.
• Implementation Parameters:
  • Scale: Fixed and small (10px to 14px / 0.7rem to 0.875rem).
  • Tracking: Generous (0.05em to 0.1em) to simulate mechanical typewriter spacing or terminal matrices.
  • Leading: Standard to tight (1.2 to 1.4).
  • Casing: Exclusively uppercase. Used for all metadata, navigation, unit IDs, and coordinates.

3.3 Textural Contrast (Artistic Disruption)

• Classification: High-Contrast Serif.
• Optimal Web Fonts: Playfair Display, EB Garamond, Times New Roman.
• Implementation Parameters: Used exceedingly sparingly. Must be subjected to heavy post-processing (halftone filters, 1-bit dithering) to degrade vector perfection and create textural juxtaposition against the clean sans-serifs.

4. Color System

The color architecture is uncompromising. Gradients, soft drop shadows, and modern translucency are strictly prohibited. Colors simulate physical media or primitive emissive displays.

CRITICAL: Choose ONE substrate palette per project and use it consistently. Never mix light and dark substrates within the same interface.

If Swiss Industrial Print (Light):

• Background: #F4F4F0 or #EAE8E3 (Matte, unbleached documentation paper).
• Foreground: #050505 to #111111 (Carbon Ink).
• Accent: #E61919 or #FF2A2A (Aviation/Hazard Red). This is the ONLY accent color. Used for strike-throughs, thick structural dividing lines, or vital data highlights.

If Tactical Telemetry (Dark):

• Background: #0A0A0A or #121212 (Deactivated CRT. Avoid pure #000000).
• Foreground: #EAEAEA (White phosphor). This is the primary text color.
• Accent: #E61919 or #FF2A2A (Aviation/Hazard Red). Same red, same rules.
• Terminal Green (#4AF626): Optional. Use ONLY for a single specific UI element (e.g., one status indicator or one data readout) — never as a general text color. If it doesn't serve a clear purpose, omit it entirely.

5. Layout and Spatial Engineering

The layout must appear mathematically engineered. It rejects conventional web padding in favor of visible compartmentalization.

• The Blueprint Grid: Strict adherence to CSS Grid architectures. Elements do not float; they are anchored precisely to grid tracks and intersections.
• Visible Compartmentalization: Extensive utilization of solid borders (1px or 2px solid) to delineate distinct zones of information. Horizontal rules (<hr>) frequently span the entire container width to segregate operational units.
• Bimodal Density: Layouts oscillate between extreme data density (tightly packed monospace metadata clustered together) and vast expanses of calculated negative space framing macro-typography.
• Geometry: Absolute rejection of border-radius. All corners must be exactly 90 degrees to enforce mechanical rigidity.

6. UI Components and Symbology

Standard web UI conventions are replaced with utilitarian, industrial graphic elements.

• Syntax Decoration: Utilization of ASCII characters to frame data points.
  • Framing: [ DELIVERY SYSTEMS ], < RE-IND >
  • Directional: >>>, ///, \\\\
• Industrial Markers: Prominent integration of registration (®), copyright (©), and trademark (™) symbols functioning as structural geometric elements rather than legal text. Place these glyphs only apart from product, company or person names, attach them only to marks the user owns, and hide them from assistive technology. The crosshair (+) is a neutral alternative marker.
• Technical Assets: Integration of crosshairs (+) at grid intersections, repeating vertical lines (barcodes), thick horizontal warning stripes, and randomized string data (e.g., REV 2.6, UNIT / D-01) to simulate active mechanical processes. Treat this simulated data as decorative placeholder content: hide it from assistive technology, give it no status meaning, and replace it with real data before production. Keep it clearly distinct from real alerts, security status and operational metrics.

7. Textural and Post-Processing Effects

To prevent the design from appearing purely digital, simulated analog degradation is engineered into the frontend via CSS and SVG filters.

• Halftone and 1-Bit Dithering: Transforming continuous-tone images or large serif typography into dot-matrix patterns. Achieved via pre-processing or CSS mix-blend-mode: multiply overlays combined with SVG radial dot patterns.
• CRT Scanlines: For terminal interfaces, applying a repeating-linear-gradient to the background to simulate horizontal electron beam sweeps (e.g., repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,0,0,0.1) 2px, rgba(0,0,0,0.1) 4px)).
• Mechanical Noise: A global, low-opacity SVG static/noise filter applied to the DOM root to introduce a unified physical grain across both dark and light modes.

8. Web Engineering Directives

1. Grid Determinism: Utilize display: grid; gap: 1px; with contrasting parent/child background colors to generate mathematically perfect, razor-thin dividing lines without complex border declarations.
2. Semantic Rigidity: Construct the DOM using precise semantic tags (<data>, <samp>, <kbd>, <output>, <dl>) to accurately reflect the technical nature of the telemetry.
3. Typography Clamping: Implement CSS clamp() functions exclusively for macro-typography to ensure massive text scales aggressively while maintaining structural integrity across viewports.

Accessibility Guardrails: Keep meaningful text readable with adequate contrast on both substrates, including the accent red. Let metadata text scale with user font settings. Produce uppercase through styling rather than typed capitals. Treat degraded, halftoned or dithered text as decorative and provide a real text alternative. Keep scanline and noise overlays from blocking clicks, and respect user preferences for higher contrast.