A monochromatic Swiss watch that occasionally ticks in red
02
Color
#FF0000Accent
#000000Ink
#FFFFFFBG
#666666Muted
rgba(0,0,0,1.0)Line
Strict black-and-white foundation interrupted only by a single, sharp red accent for vital metadata
03
Typography
grotesque-sans
display58px · 700
heading50px · 700
body16px · 500
All caps is mandatory for display hierarchy · Tight negative letter-spacing is required for large text · Font weight alternates strictly between 500 and 700
04
Spacing
4px
8px
12px
16px
24px
32px
48px
64px
96px
Rigid 4px base unit used consistently for padding and internal element spacing
05
Surfaces
sm · 0px
md · 0px
lg · 0px
pill · 0px
Hard 4px solid borders used exclusively to highlight time-sensitive content blocks
06
Layout
1280container
12columns
24pxgutter
768 / 1024breakpoints
Edge-to-edge photography with overlaid hard-edged typography containers
07
Motion & Interaction
220msmicro
400mssmall
800msmedium
cubic-bezier(0.25, 0.1, 0.25, 1.0)easing
Standard link transitions (all properties)
Standard pointer cursor on all text links and elements · Standard pointer interaction
08
Components
buttonNone visible; typography acts as the primary interactive layer
cardInvisible structural containers that align text blocks over full-bleed images
chipNone
inputNone
heroMassive architectural photography with large, superimposed sans-serif text
09
Voice & Don'ts
ToneAuthoritative, institutional, and strictly declarative
HeadlinesShort, punchy architectural titles in bold uppercase
CTAsStandard inline text links
Don't use border-radius — screenshot shows sharp, 90-degree corners exclusively
Captured from the live site · real computed styles
11
System prompt
A global architecture portfolio site (OMA) that uses a minimalist, high-contrast design system. The palette is strictly black (#000000) and white (#FFFFFF), with a single, sharp red accent (#FF0000) used only for date metadata. The typography is a uniform grotesque sans-serif (Arial W01) used exclusively in uppercase with tight negative letter-spacing. All components are flat with hard 0px corners and zero drop shadows, relying on massive, full-bleed architectural photography to provide visual interest. Key critical donts: never use border-radius, never add drop shadows, and never use lowercase letters for headlines.
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