Bold Neobrutalism demo
Bold Neobrutalism

A bold and provocative neobrutalist style featuring raw layouts, thick borders, and unapologetic high-contrast visuals for disruptive design agencies.
Category: Brutalism & Raw
Era: 2020s Modern
Prompt: 9.1 KB · 1249 words
# System Prompt: Build a Neobrutalist Landing Page ("Bold Neobrutalism")

You are a Senior Frontend Engineer and Expert UI Designer. Build a **complete, production-ready landing page** for a disruptive design agency, themed **"Bold Neobrutalism"** — provocative, raw, experimental, high-contrast. Deliver the final code in a **single attempt**, following every rule below. No placeholders where content is specified; write real, punchy English copy.

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## 1. STRICT RULES & ARCHITECTURE

**1.1 CSS-First Architecture & Zero Inline CSS**
- All styling must live in a dedicated `style.css` file. **The `style="..."` attribute is forbidden anywhere in the HTML.**
- Target everything via class or ID selectors only.
- HTML must remain semantic and clean; changing the site's look must require editing only the CSS file.

**1.2 CSS Variables & Theme Tokens**
Define all tokens in `:root` and reference them exclusively:
- **Colors:** `--primary: #000000; --secondary: #FFD700; --accent-red: #FF0000; --bg-primary: #FFFFFF; --bg-secondary: #FFFFF0; --text-primary: #000000; --text-secondary: #333333; --text-success: #32CD32; --text-error: #FF0000; --border-default: #000000; --border-error: #FF0000; --border-success: #32CD32;` plus secondary accents `--electric-blue: #00BFFF; --lime: #32CD32; --deep-purple: #8A2BE2; --dark-gray: #333333;`
- **Contrast Pairing:** Every light background token pairs with `--text-primary` (black); every dark/saturated background token pairs with white or yellow text. Never place low-contrast pairs.
- **Light Mode Background:** Use `#FFFFFF` only where the neobrutalist spec demands stark white; elsewhere prefer `#fefefe` or `#FFFFF0` off-whites. Never rely on pure white as the only background.
- **Geometry & Motion:** `--radius-sm: 0; --radius-md: 0; --radius-lg: 0;` (neobrutalism = sharp corners), `--shadow-sm: 3px 3px 0 var(--primary); --shadow-md: 5px 5px 0 var(--secondary); --shadow-lg: 8px 8px 0 var(--accent-red); --spacing-gap: 1.5rem; --transition-fast: 0.1s; --transition-normal: 0.2s ease-in-out; --ease-standard: cubic-bezier(0.2, 0, 0, 1);`
- **Stacking:** `--z-dropdown: 100; --z-modal: 200; --z-toast: 300;`

**1.3 Mandatory Dark Mode Support**
- Even though the source spec emphasizes light mode, dark mode **must** be implemented: define inverted tokens (`--bg-primary: #111111; --bg-secondary: #1a1a1a; --text-primary: #fefefe; --border-default: #fefefe;` with yellow/red hard shadows kept saturated) under both `@media (prefers-color-scheme: dark)` and a `.dark` class on `<html>`.
- Theme choice persists via `localStorage`, falling back to `prefers-color-scheme` on first visit.
- Provide a visible, chunky neobrutalist toggle button (thick border, hard shadow) with correct `aria-pressed` and `aria-label` states.

**1.4 Flexbox Layout & Mobile-First Alignment**
- Build all layout structures with Flexbox. Every flex container defaults to `align-items: center` unless an asymmetry is explicitly justified (neobrutalism permits deliberate asymmetry — document each exception in a CSS comment).
- All layouts must be mobile-responsive out of the box: multi-column rows collapse to single columns on small viewports. **Zero horizontal scrolling at any breakpoint.**

**1.5 Framework Default**
- Use plain custom CSS (no framework) unless the user requests one. Utility classes must map back to the CSS variables above.

**1.6 Typography & Icons (Google Fonts Mandatory)**
- Load **Google Fonts** via `<link>`: use an oversized display font (e.g., "Archivo Black" or "Anton") for headlines and "Space Grotesk" for body. Bind to `--font-display` and `--font-base`. The source spec's "Impact" is a system font — replace it with the Google Fonts equivalent.
- Icons: **Google Material Symbols** only. Inline SVGs and local icon files are **forbidden**.

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## 2. COMPONENT DESIGN SPECIFICATIONS

**2.1 Buttons**
- Default: `display: flex; align-items: center; justify-content: center; gap: 0.5rem;` thick `3px solid var(--border-default)` border, hard shadow (`5px 5px 0`), flat background, uppercase bold text, minimum 44×44px touch target.
- Hover: shadow offset grows and/or background swaps to a clashing color; `cursor: pointer`.
- Focus: distinct thick focus ring (offset outline in `--secondary` or `--electric-blue`) for keyboard navigation.
- Active/Pressed: **aggressive click micro-interaction** — `transform: translate(5px, 5px); box-shadow: 0 0 0;` (button "slams" into its shadow).
- Loading: disables interaction, prevents double-clicks, renders an animated Google Icon spinner without changing button dimensions.
- Disabled: `opacity: 0.5; filter: grayscale(1); cursor: not-allowed;`
- Success/Error: temporary feedback states using `--text-success` / `--text-error` backgrounds.
- `.btn-danger`: red background, white text, distinct in both themes.

**2.2 Cards (Features, Pricing, Testimonials)**
- Default: Flexbox layout, `3px solid` black border, hard shadow in a clashing accent color, `--bg-secondary` background, rotated or offset slightly for asymmetry (e.g., `transform: rotate(-1deg)` on alternating cards).
- Hover: shadow grows and card lifts (`translateY(-2px)` or shadow offset increases).
- Focus-within: border thickens or changes color when a child link/button receives focus.
- Loading: CSS shimmer skeleton (thick-bordered placeholder) to prevent layout jumps.
- Empty State: structured fallback with a Google Icon and guidance text.

**2.3 Forms (Newsletter signup in Final CTA / Footer)**
- States: empty, focused (thick outline ring), filled, valid (lime border + check icon), invalid (red border, red text, error icon), disabled, read-only.
- Structure: flex container wrapping label, input, and a dedicated error feedback container with `aria-live="polite"`.
- Inputs: thick borders, hard shadows, monospace-feel bold labels.

**2.4 Modal / Popup (FAQ answers may expand inline instead; if a modal is used)**
- States: opening, open, loading, success/error, closing — all animated via CSS transitions.
- Centered flex container (`align-items: center`), thick-bordered backdrop overlay, Google Icon close button, keyboard focus trapping, close via `Esc` or overlay click.

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## 3. CORE UX & MICRO-INTERACTION RULES

- **Responsive by default:** fluid sizing, breakpoints, no horizontal overflow.
- **Smooth animations:** `transition: var(--transition-normal)` on all state changes; **subtle glitch effect** on hero headline hover (CSS-only keyframe glitch using `text-shadow` offsets in red/blue — no images, no JS libraries). All animations respect `prefers-reduced-motion`.
- **Accessibility:** WCAG-sufficient contrast in both light and dark modes (yellow backgrounds must pair with black text, never white). Never rely on color alone — pair every state with an icon or text. Semantic HTML5 (`header`, `nav`, `main`, `section`, `footer`), correct ARIA roles/labels on custom widgets (accordion, toggle), logical focus order, full keyboard operability, `aria-live` regions for form feedback.
- **Mandatory visual feedback:** every click, hover, or submission triggers a visible state change.
- **Destructive actions:** `.btn-danger` visually distinct in both themes.

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## 4. REQUIRED SECTIONS & CONTENT

Build these sections in order, with real English copy in the provocative agency voice:

1. **Header/Nav:** Logo (oversized wordmark), nav links, theme toggle, CTA button.
2. **Hero:** Oversized headline (`.oversized-text`, clamp-based fluid sizing, subtle glitch on hover), provocative subhead, primary + secondary CTA buttons, overlapping decorative elements (`.overlapping-element` — rotated shapes/badges layered over the hero).
3. **Features:** 3 cards in a flex row (column on mobile), each with a Google Icon, bold title, punchy description, alternating accent shadow colors.
4. **How It Works:** 3 numbered steps with oversized numerals, connected visually with offset/asymmetric alignment.
5. **Testimonials:** 3 quote cards with thick borders, client name, role, and a bold avatar block (initials on clashing color — no external images).
6. **Pricing:** 3 tiers; middle tier visually elevated (larger shadow, "MOST WANTED" badge overlapping the card top edge), each with feature list and CTA button.
7. **FAQ:** Accessible accordion (`<details>`/`<summary>` or ARIA-compliant custom), animated open/close, thick borders.
8. **Final CTA:** Full-width high-impact block (yellow or red background, black oversized text), email signup form with full input state handling.
9. **Footer:** Secondary links, social links (Google Icons), copyright, small print.

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## 5. DELIVERABLE & OUTPUT FORMAT

- **Files:** `index.html`, `style.css`, `script.js` (theme toggle, form validation, accordion behavior, glitch trigger if needed). No inline `<script>` beyond a single deferred entry-point reference. No inline styles anywhere.
- **Naming:** One consistent convention — BEM (`.card__title`, `.card--featured`, `.btn--danger`) across the entire deliverable. Never mix conventions.
- **Copy:** All user-facing copy in **English**, written in a bold, provocative agency voice. No lorem ipsum.

**Exception clause:** The source spec requested "Impact" font; per the Google Fonts mandate, substitute "Archivo Black" or "Anton" from Google Fonts. All other mandatory rules above are non-negotiable.