Flat Design

---
version: "alpha"
name: "Flat Design"
description: "Flat Design — Design general com 2d, minimalist, bold colors. Template e prompt pronto para IA."
colors:
  primary: "#1A1A1A"
  secondary: "#4A4A4A"
  tertiary: "#0066FF"
  neutral: "#FFFFFF"
typography:
  h1:
    fontFamily: System UI stack
    fontSize: 2.25rem
    fontWeight: 700
  body-md:
    fontFamily: System UI stack
    fontSize: 1rem
    fontWeight: 400
  label-caps:
    fontFamily: System UI stack
    fontSize: 0.75rem
    fontWeight: 500
rounded:
  sm: 2px
  md: 4px
  lg: 8px
---

## Overview

Flat Design — Design general com 2d, minimalist, bold colors. Template e prompt pronto para IA. Estilo Flat Design representa uma tendência moderna em design UI/UX web com foco em general.

- Density: 3/10 — Airy
- Variance: 3/10 — Restrained
- Motion: 4/10 — Subtle

- **Style:** Simple, Clean, Colorful, Geometric
- **Keywords:** 2D, minimalist, bold colors, no shadows, clean lines, simple shapes, typography-focused, modern, icon-heavy
- **Era:** 2010s Modern
- **Light/Dark:** ✓ Full / ✓ Full

## Colors

- Palette derived from style keywords and era context

## Typography

- **Display / Hero:** System UI stack (-apple-system, sans-serif) — Weight 700, tight tracking, used for headline impact
- **Body:** System UI stack (-apple-system, sans-serif) — Weight 400, 16px/1.6 line-height, max 72ch per line
- **UI Labels / Captions:** System UI stack (-apple-system, sans-serif) — 0.875rem, weight 500, slight letter-spacing
- **Monospace:** JetBrains Mono — Used for code, metadata, and technical values

Scale:
- Hero: clamp(2.5rem, 5vw, 4rem)
- H1: 2.25rem
- H2: 1.5rem
- Body: 1rem / 1.6
- Small: 0.875rem

## Layout

- **Grid:** CSS Grid primary. Max-width containment: 1280px centered with 1.5rem side padding.
- **Spacing rhythm:** Balanced. Base unit: 0.5rem (8px).
- **Section vertical gaps:** clamp(4rem, 8vw, 8rem).
- **Hero layout:** Split-screen (text left, visual right).
- **Feature sections:** Zig-zag alternating text+image rows. No 3-equal-columns.
- **Mobile collapse:** All multi-column layouts collapse below 768px. No horizontal overflow.
- **z-index contract:** base (0) / sticky-nav (100) / overlay (200) / modal (300) / toast (500).

## Elevation & Depth

No gradients/shadows, simple hover (color/opacity shift), fast loading, clean transitions (150-200ms ease), minimal icons

- **Physics:** Ease-out curves, 200-300ms duration. Smooth and predictable.
- **Entry animations:** Fade + translate-Y (16px → 0) over 420ms ease-out. Staggered cascades for lists: 80ms between items.
- **Hover states:** Subtle color shift + shadow adjustment over 200ms.
- **Page transitions:** Fade only (200ms).
- **Performance:** Only transform and opacity animated. No layout-triggering properties.

## Shapes

Base corner radius: 2px. See rounded tokens in front matter for the full scale.

## Components

- **Primary Button:** Sharp edges (0px) shape. Accent color fill. Hover: 8% darken + subtle lift shadow. Active: -1px translate tactile press. Font weight 600. No outer glows.
- **Secondary / Ghost Button:** Outline variant. 1.5px border in muted color. Text in primary color. Hover: subtle background fill.
- **Cards:** Sharp edges (0px) corners. Surface background. Subtle shadow (0 2px 12px rgba(0,0,0,0.06)). 1px border stroke.
- **Inputs:** Label above input. 1px border stroke. Focus ring: 2px accent color offset 2px. Error text below in semantic red. No floating labels.
- **Navigation:** Primary surface background. Active item: accent color indicator. Font weight 500 when active.
- **Skeletons:** Shimmer animation matching component dimensions. No circular spinners.
- **Empty States:** Icon-based composition with descriptive text and action button.

## Do's and Don'ts

- No emojis in UI — use icon system only (Lucide, Heroicons)
- No decorative gradients — flat color only
- No shadows heavier than 0 2px 8px rgba(0,0,0,0.08)
- No pure black (#000000) — use off-black or charcoal variants
- No oversaturated accent colors (saturation cap: 80%)
- No 3-column equal-width feature layouts — use zig-zag or asymmetric grid
- No `h-screen` — use `min-h-[100dvh]`
- No AI copywriting clichés: "Elevate", "Seamless", "Unleash", "Next-Gen"
- No broken external image links — use picsum.photos or inline SVG
- No generic lorem ipsum in demos

- Do No shadows/gradients
- Do 4-6 solid colors max
- Do Clean lines consistent
- Do Simple shapes used
- Do Icon-heavy layout
- Do High saturation colors
- Do Fast loading verified

## Use Case

Landing pages, SaaS

Atue como um Engenheiro Frontend Sênior e UI Designer Especialista.
Sua tarefa é codificar uma Landing Page completa na primeira tentativa.
- Tema da Landing Page: <INSIRA O TEMA>
- Seções a adicionar: <INSIRA AS SEÇÕES>

Gere o código final imediatamente seguindo estas definições:

## Estilo

- **Nome:** Flat Design
- **Tipo:** Simple, Clean, Colorful, Geometric
- **Keywords:** 2D, minimalist, bold colors, no shadows, clean lines, simple shapes, typography-focused, modern, icon-heavy
- **Era:** 2010s Modern
- **Light/Dark:** ✓ Full / ✓ Full

## Paleta de Cores

- **Primárias:** Solid bright: Red, Orange, Blue, Green, limited palette (4-6 max)
- **Secundárias:** Complementary colors, muted secondaries, high saturation, clean accents

## Efeitos Visuais

No gradients/shadows, simple hover (color/opacity shift), fast loading, clean transitions (150-200ms ease), minimal icons

## Direção Visual para IA

Create a flat, 2D interface with bold colors, no shadows/gradients, clean lines, simple geometric shapes, icon-heavy, typography-focused, minimal ornamentation. Use 4-6 solid, bright colors in a limited palette with high saturation.

## CSS Technical

```css
box-shadow: none, background: solid color, border-radius: 0-4px, color: solid (no gradients), fill: solid, stroke: 1-2px, font: bold sans-serif, icons: simplified SVG
```

## Design System Variables

```css
--shadow: none, --color-palette: 4-6 solid, --border-radius: 2px, --gradient: none, --icons: simplified SVG, --animation: minimal 150-200ms
```

## Checklist de Implementação

- ☐ No shadows/gradients
- ☐ 4-6 solid colors max
- ☐ Clean lines consistent
- ☐ Simple shapes used
- ☐ Icon-heavy layout
- ☐ High saturation colors
- ☐ Fast loading verified

## Regras de Execução

1. Siga fielmente o estilo visual determinado.
2. Use ícones SVG inline de alta qualidade (estilo Heroicons ou Lucide) — PROIBIDO usar emojis como ícones.
3. Adicione `cursor-pointer` e estados de `hover` suaves (transition-all) em todos os elementos interativos.
4. Estrutura Obrigatória da Página:
   - Navbar (Logo + Links + CTA)
   - Hero Section (Headline impactante + Subtitle + 2 botões + Elemento visual 3D/Abstrato via CSS)
   - Features (3 cards com ícones)
   - Testimonials (3 cards)
   - Pricing (3 tiers, destaque no central)
   - CTA Final
   - Footer completo com redes sociais, política de privacidade, termos de uso, contato e links SEO.
5. Todo o conteúdo textual deve ser em Português Brasileiro (PT-BR).
6. O visual deve ser CLARAMENTE distinto — não crie um design "padrão Bootstrap". Force o uso das variáveis de design system fornecidas.
7. Use tags `<style>` no head para classes personalizadas (especialmente para os efeitos complexos de backdrop-filter e animações) que o Tailwind via CDN não cobrir.
8. Responsividade Total: O layout deve se adaptar perfeitamente a Mobile, Tablet e Desktop (Stack vertical no mobile).
9. Inclua meta tags básicas de SEO, Viewport e Open Graph no `<head>`.
10. Footer deve conter: Copyright 2026, Links de navegação secundária e Ícones de redes sociais.
11. Assuma as decisões criativas necessárias para entregar o resultado completo e funcional agora.