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Design System: NVIDIA

Hermes Agent — Implementation Notes

The original site uses proprietary fonts. For self-contained HTML output, use these CDN substitutes: - Primary: Inter | Mono: system monospace stack - Font stack (CSS): font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif; - Mono stack (CSS): font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace; html <link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap" rel="stylesheet"> Use write_file to create HTML, serve via generative-widgets skill (cloudflared tunnel). Verify visual accuracy with browser_vision after generating.

1. Visual Theme & Atmosphere

NVIDIA's website is a high-contrast, technology-forward experience that communicates raw computational power through design restraint. The page is built on a stark black (#000000) and white (#ffffff) foundation, punctuated by NVIDIA's signature green (#76b900) -- a color so specific it functions as a brand fingerprint. This is not the lush green of nature; it's the electric, lime-shifted green of GPU-rendered light, a color that sits between chartreuse and kelly green and immediately signals "NVIDIA" to anyone in technology.

The custom NVIDIA-EMEA font family (with Arial and Helvetica fallbacks) creates a clean, industrial typographic voice. Headings at 36px bold with tight 1.25 line-height create dense, authoritative blocks of text. The font lacks the geometric playfulness of Silicon Valley sans-serifs -- it's European, pragmatic, and engineering-focused. Body text runs at 15-16px, comfortable for reading but not generous, maintaining the sense that screen real estate is optimized like GPU memory.

What distinguishes NVIDIA's design from other dark-background tech sites is the disciplined use of the green accent. The #76b900 appears in borders (2px solid #76b900), link underlines (underline 2px rgb(118, 185, 0)), and CTAs -- but never as backgrounds or large surface areas on the main content. The green is a signal, not a surface. Combined with a deep shadow system (rgba(0, 0, 0, 0.3) 0px 0px 5px) and minimal border radius (1-2px), the overall effect is of precision engineering hardware rendered in pixels.

Key Characteristics: - NVIDIA Green (#76b900) as pure accent -- borders, underlines, and interactive highlights only - Black (#000000) dominant background with white (#ffffff) text on dark sections - NVIDIA-EMEA custom font with Arial/Helvetica fallback -- industrial, European, clean - Tight line-heights (1.25 for headings) creating dense, authoritative text blocks - Minimal border radius (1-2px) -- sharp, engineered corners throughout - Green-bordered buttons (2px solid #76b900) as primary interactive pattern - Font Awesome 6 Pro/Sharp icon system at weight 900 for sharp iconography - Multi-framework architecture (PrimeReact, Fluent UI, Element Plus) enabling rich interactive components

2. Color Palette & Roles

Primary Brand

NVIDIA Green (#76b900): The signature -- borders, link underlines, CTA outlines, active indicators. Never used as large surface fills.
True Black (#000000): Primary page background, text on light surfaces, dominant tone.
Pure White (#ffffff): Text on dark backgrounds, light section backgrounds, card surfaces.

Extended Brand Palette

NVIDIA Green Light (#bff230): Bright lime accent for highlights and hover states.
Orange 400 (#df6500): Warm accent for alerts, featured badges, or energy-related contexts.
Yellow 300 (#ef9100): Secondary warm accent, product category highlights.
Yellow 050 (#feeeb2): Light warm surface for callout backgrounds.

Status & Semantic

Red 500 (#e52020): Error states, destructive actions, critical alerts.
Red 800 (#650b0b): Deep red for severe warning backgrounds.
Green 500 (#3f8500): Success states, positive indicators (darker than brand green).
Blue 700 (#0046a4): Informational accents, link hover alternative.

Decorative

Purple 800 (#4d1368): Deep purple for gradient ends, premium/AI contexts.
Purple 100 (#f9d4ff): Light purple surface tint.
Fuchsia 700 (#8c1c55): Rich accent for special promotions or featured content.

Neutral Scale

Gray 300 (#a7a7a7): Muted text, disabled labels.
Gray 400 (#898989): Secondary text, metadata.
Gray 500 (#757575): Tertiary text, placeholders, footers.
Gray Border (#5e5e5e): Subtle borders, divider lines.
Near Black (#1a1a1a): Dark surfaces, card backgrounds on black pages.

Interactive States

Link Default (dark bg) (#ffffff): White links on dark backgrounds.
Link Default (light bg) (#000000): Black links with green underline on light backgrounds.
Link Hover (#3860be): Blue shift on hover across all link variants.
Button Hover (#1eaedb): Teal highlight for button hover states.
Button Active (#007fff): Bright blue for active/pressed button states.
Focus Ring (#000000 solid 2px): Black outline for keyboard focus.

Shadows & Depth

Card Shadow (rgba(0, 0, 0, 0.3) 0px 0px 5px 0px): Subtle ambient shadow for elevated cards.

3. Typography Rules

Font Family

Primary: NVIDIA-EMEA, with fallbacks: Arial, Helvetica, sans-serif
Icon Font: Font Awesome 6 Pro (weight 900 for solid icons, 700 for regular)
Icon Sharp: Font Awesome 6 Sharp (weight 300 for light icons, 400 for regular)

Hierarchy

Role	Font	Size	Weight	Line Height	Letter Spacing	Notes
Display Hero	NVIDIA-EMEA	36px (2.25rem)	700	1.25 (tight)	normal	Maximum impact headlines
Section Heading	NVIDIA-EMEA	24px (1.50rem)	700	1.25 (tight)	normal	Section titles, card headings
Sub-heading	NVIDIA-EMEA	22px (1.38rem)	400	1.75 (relaxed)	normal	Feature descriptions, subtitles
Card Title	NVIDIA-EMEA	20px (1.25rem)	700	1.25 (tight)	normal	Card and module headings
Body Large	NVIDIA-EMEA	18px (1.13rem)	700	1.67 (relaxed)	normal	Emphasized body, lead paragraphs
Body	NVIDIA-EMEA	16px (1.00rem)	400	1.50	normal	Standard reading text
Body Bold	NVIDIA-EMEA	16px (1.00rem)	700	1.50	normal	Strong labels, nav items
Body Small	NVIDIA-EMEA	15px (0.94rem)	400	1.67 (relaxed)	normal	Secondary content, descriptions
Body Small Bold	NVIDIA-EMEA	15px (0.94rem)	700	1.50	normal	Emphasized secondary content
Button Large	NVIDIA-EMEA	18px (1.13rem)	700	1.25 (tight)	normal	Primary CTA buttons
Button	NVIDIA-EMEA	16px (1.00rem)	700	1.25 (tight)	normal	Standard buttons
Button Compact	NVIDIA-EMEA	14.4px (0.90rem)	700	1.00 (tight)	0.144px	Small/compact buttons
Link	NVIDIA-EMEA	14px (0.88rem)	700	1.43	normal	Navigation links
Link Uppercase	NVIDIA-EMEA	14px (0.88rem)	700	1.43	normal	`text-transform: uppercase`, nav labels
Caption	NVIDIA-EMEA	14px (0.88rem)	600	1.50	normal	Metadata, timestamps
Caption Small	NVIDIA-EMEA	12px (0.75rem)	400	1.25 (tight)	normal	Fine print, legal
Micro Label	NVIDIA-EMEA	10px (0.63rem)	700	1.50	normal	`text-transform: uppercase`, tiny badges
Micro	NVIDIA-EMEA	11px (0.69rem)	700	1.00 (tight)	normal	Smallest UI text

Principles

Bold as the default voice: NVIDIA leans heavily on weight 700 for headings, buttons, links, and labels. The 400 weight is reserved for body text and descriptions -- everything else is bold, projecting confidence and authority.
Tight headings, relaxed body: Heading line-height is consistently 1.25 (tight), while body text relaxes to 1.50-1.67. This contrast creates visual density at the top of content blocks and comfortable readability in paragraphs.
Uppercase for navigation: Link labels use text-transform: uppercase with weight 700, creating a navigation voice that reads like hardware specification labels.
No decorative tracking: Letter-spacing is normal throughout, except for compact buttons (0.144px). The font itself carries the industrial character without manipulation.

4. Component Stylings

Buttons

Primary (Green Border) - Background: transparent - Text: #000000 - Padding: 11px 13px - Border: 2px solid #76b900 - Radius: 2px - Font: 16px weight 700 - Hover: background #1eaedb, text #ffffff - Active: background #007fff, text #ffffff, border 1px solid #003eff, scale(1) - Focus: background #1eaedb, text #ffffff, outline #000000 solid 2px, opacity 0.9 - Use: Primary CTA ("Learn More", "Explore Solutions")

Secondary (Green Border Thin) - Background: transparent - Border: 1px solid #76b900 - Radius: 2px - Use: Secondary actions, alternative CTAs

Compact / Inline - Font: 14.4px weight 700 - Letter-spacing: 0.144px - Line-height: 1.00 - Use: Inline CTAs, compact navigation

Cards & Containers

Background: #ffffff (light) or #1a1a1a (dark sections)
Border: none (clean edges) or 1px solid #5e5e5e
Radius: 2px
Shadow: rgba(0, 0, 0, 0.3) 0px 0px 5px 0px for elevated cards
Hover: shadow intensification
Padding: 16-24px internal

Image Treatment

Product/GPU renders as hero images, often full-width
Screenshot images with subtle shadow for depth
Green gradient overlays on dark hero sections
Circular avatar containers with 50% radius

Distinctive Components

Product Cards - Clean white or dark card with minimal radius (2px) - Green accent border or underline on title - Bold heading + lighter description pattern - CTA with green border at bottom

Tech Spec Tables - Industrial grid layouts - Alternating row backgrounds (subtle gray shift) - Bold labels, regular values - Green highlights for key metrics

Cookie/Consent Banner - Fixed bottom positioning - Rounded buttons (2px radius) - Gray border treatments

5. Layout Principles

Spacing System

Base unit: 8px
Scale: 1px, 2px, 3px, 4px, 5px, 6px, 7px, 8px, 9px, 10px, 11px, 12px, 13px, 15px
Primary padding values: 8px, 11px, 13px, 16px, 24px, 32px
Section spacing: 48-80px vertical padding

Grid & Container

Max content width: approximately 1200px (contained)
Full-width hero sections with contained text
Feature sections: 2-3 column grids for product cards
Single-column for article/blog content
Sidebar layouts for documentation

Whitespace Philosophy

Purposeful density: NVIDIA uses tighter spacing than typical SaaS sites, reflecting the density of technical content. White space exists to separate concepts, not to create luxury emptiness.
Section rhythm: Dark sections alternate with white sections, using background color (not just spacing) to separate content blocks.
Card density: Product cards sit close together with 16-20px gaps, creating a catalog feel rather than a gallery feel.

Border Radius Scale

Micro (1px): Inline spans, tiny elements
Standard (2px): Buttons, cards, containers, inputs -- the default for nearly everything
Circle (50%): Avatar images, circular tab indicators

6. Depth & Elevation

Level	Treatment	Use
Flat (Level 0)	No shadow	Page backgrounds, inline text
Subtle (Level 1)	`rgba(0,0,0,0.3) 0px 0px 5px 0px`	Standard cards, modals
Border (Level 1b)	`1px solid #5e5e5e`	Content dividers, section borders
Green accent (Level 2)	`2px solid #76b900`	Active elements, CTAs, selected items
Focus (Accessibility)	`2px solid #000000` outline	Keyboard focus ring

Shadow Philosophy: NVIDIA's depth system is minimal and utilitarian. There is essentially one shadow value -- a 5px ambient blur at 30% opacity -- used sparingly for cards and modals. The primary depth signal is not shadow but color contrast: black backgrounds next to white sections, green borders on black surfaces. This creates hardware-like visual layering where depth comes from material difference, not simulated light.

Decorative Depth

Green gradient washes behind hero content
Dark-to-darker gradients (black to near-black) for section transitions
No glassmorphism or blur effects -- clarity over atmosphere

7. Responsive Behavior

Breakpoints

Name	Width	Key Changes
Mobile Small	<375px	Compact single column, reduced padding
Mobile	375-425px	Standard mobile layout
Mobile Large	425-600px	Wider mobile, some 2-col hints
Tablet Small	600-768px	2-column grids begin
Tablet	768-1024px	Full card grids, expanded nav
Desktop	1024-1350px	Standard desktop layout
Large Desktop	>1350px	Maximum content width, generous margins

Touch Targets

Buttons use 11px 13px padding for comfortable tap targets
Navigation links at 14px uppercase with adequate spacing
Green-bordered buttons provide high-contrast touch targets on dark backgrounds
Mobile: hamburger menu collapse with full-screen overlay

Collapsing Strategy

Hero: 36px heading scales down proportionally
Navigation: full horizontal nav collapses to hamburger menu at ~1024px
Product cards: 3-column to 2-column to single column stacked
Footer: multi-column grid collapses to single stacked column
Section spacing: 64-80px reduces to 32-48px on mobile
Images: maintain aspect ratio, scale to container width

Image Behavior

GPU/product renders maintain high resolution at all sizes
Hero images scale proportionally with viewport
Card images use consistent aspect ratios
Full-bleed dark sections maintain edge-to-edge treatment

8. Responsive Behavior (Extended)

Typography Scaling

Display 36px scales to ~24px on mobile
Section headings 24px scale to ~20px on mobile
Body text maintains 15-16px across all breakpoints
Button text maintains 16px for consistent tap targets

Dark/Light Section Strategy

Dark sections (black bg, white text) alternate with light sections (white bg, black text)
The green accent remains consistent across both surface types
On dark: links are white, underlines are green
On light: links are black, underlines are green
This alternation creates natural scroll rhythm and content grouping

9. Agent Prompt Guide

Quick Color Reference

Primary accent: NVIDIA Green (#76b900)
Background dark: True Black (#000000)
Background light: Pure White (#ffffff)
Heading text (dark bg): White (#ffffff)
Heading text (light bg): Black (#000000)
Body text (light bg): Black (#000000) or Near Black (#1a1a1a)
Body text (dark bg): White (#ffffff) or Gray 300 (#a7a7a7)
Link hover: Blue (#3860be)
Border accent: 2px solid #76b900
Button hover: Teal (#1eaedb)

Example Component Prompts

"Create a hero section on black background. Headline at 36px NVIDIA-EMEA weight 700, line-height 1.25, color #ffffff. Subtitle at 18px weight 400, line-height 1.67, color #a7a7a7. CTA button with transparent background, 2px solid #76b900 border, 2px radius, 11px 13px padding, text #ffffff. Hover: background #1eaedb, text white."
"Design a product card: white background, 2px border-radius, box-shadow rgba(0,0,0,0.3) 0px 0px 5px. Title at 20px NVIDIA-EMEA weight 700, line-height 1.25, color #000000. Body at 15px weight 400, line-height 1.67, color #757575. Green underline accent on title: border-bottom 2px solid #76b900."
"Build a navigation bar: #000000 background, sticky top. NVIDIA logo left-aligned. Links at 14px NVIDIA-EMEA weight 700 uppercase, color #ffffff. Hover: color #3860be. Green-bordered CTA button right-aligned."
"Create a dark feature section: #000000 background. Section label at 14px weight 700 uppercase, color #76b900. Heading at 24px weight 700, color #ffffff. Description at 16px weight 400, color #a7a7a7. Three product cards in a row with 20px gap."
"Design a footer: #000000 background. Multi-column layout with link groups. Links at 14px weight 400, color #a7a7a7. Hover: color #76b900. Bottom bar with legal text at 12px, color #757575."

Iteration Guide

Always use #76b900 as accent, never as a background fill -- it's a signal color for borders, underlines, and highlights
Buttons are transparent with green borders by default -- filled backgrounds appear only on hover/active states
Weight 700 is the dominant voice for all interactive and heading elements; 400 is only for body paragraphs
Border radius is 2px for everything -- this sharp, minimal rounding is core to the industrial aesthetic
Dark sections use white text; light sections use black text -- green accent works identically on both
Link hover is always #3860be (blue) regardless of the link's default color
Line-height 1.25 for headings, 1.50-1.67 for body text -- maintain this contrast for visual hierarchy
Navigation uses uppercase 14px bold -- this hardware-label typography is part of the brand voice