---
version: "alpha"
name: "High-Contrast Tech"
description: "Estilo High-Contrast Tech com base dark, leitura extrema e acentos neon para interfaces tecnológicas, dashboards e experiências UX/UI de alto desempenho."
colors:
  primary: "#1E272E"
  secondary: "#F5F6FA"
  tertiary: "#0984E3"
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
components:
  button-primary:
    backgroundColor: "{colors.primary}"
    padding: 12px
---

## Overview

Estilo High-Contrast Tech com base dark, leitura extrema e acentos neon para interfaces tecnológicas, dashboards e experiências UX/UI de alto desempenho. Derivado da consolidação do dark mode em produtos digitais e da estética cyber-tech, equilibra legibilidade funcional com acentos vibrantes orientados a interação.

- Density: 8/10 — Dense
- Variance: 4/10 — Moderate
- Motion: 4/10 — Subtle

- **Style:** Dark, Precise, High-Contrast, Conversion-Focused
- **Keywords:** tech, dark mode, contrast, neon, dashboards, product UI, high readability, modern, digital, performance
- **Era:** 2020s Tech Product Design
- **Light/Dark:** ✓ Full / ✓ Full

## Colors

- **Night Black** (#1E272E) — Dark surface, primary background
- **Cloud White** (#F5F6FA) — Secondary surface
- **Electric Blue** (#0984E3) — Secondary accent

## 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

10%: Cyan Neon #00CEC9 para botões primários, notificações e elementos interativos; brilho controlado, bordas técnicas e transições rápidas (180-220ms)

- **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: 24px. See rounded tokens in front matter for the full scale.

## Components

- **Primary Button:** Generously rounded (1.5rem) 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:** Generously rounded (1.5rem) 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 pure white (#FFFFFF) backgrounds — use off-white or dark surfaces
- 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 Base dark #1E272E predominante (60%)
- Do Leitura forte com #F5F6FA
- Do Estrutura secundária em #0984E3
- Do Destaque neon #00CEC9 limitado a 10%
- Do Contraste AA/AAA validado
- Do Responsivo

## Use Case

UX/UI de produto digital, Dashboards analytics, Plataformas SaaS, Conteúdo tecnológico, Apps B2B

<!-- Source: https://designmd.app.br/library/high-contrast-tech · designmd.app -->