---
version: "alpha"
name: "Synapse Dark Hero"
description: "Estilo Synapse Dark com fundo preto puro, vídeo HLS flutuante, badges glassmorphism e animações staggered. Ideal para SaaS de inovação, plataformas AI e ferramentas enterprise."
colors:
  primary: "#000000"
  secondary: "#FFFFFF"
  tertiary: "#FFFFFF"
  neutral: "#888888"
  surface: "#6B7280"
  accent: "#000000"
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}"
    textColor: "{colors.neutral}"
    padding: 12px
---

## Overview

Estilo Synapse Dark com fundo preto puro, vídeo HLS flutuante, badges glassmorphism e animações staggered. Ideal para SaaS de inovação, plataformas AI e ferramentas enterprise. Representa o pico da estética dark SaaS com vídeo flutuante e glassmorphism, popularizada por empresas como Linear, Vercel e Raycast.

- Density: 5/10 — Balanced
- Variance: 4/10 — Moderate
- Motion: 8/10 — Cinematic

- **Style:** SaaS, Pure Black, Glass Badges, HLS Video, Staggered Motion
- **Keywords:** SaaS, preto puro, glass badges, HLS video, staggered animations, gradient border, logo marquee, Framer Motion, navbar blur, innovation
- **Era:** 2024-2026 SaaS Dark Premium
- **Light/Dark:** ✗ Not Recommended / ✓ Full

## Colors

- **Preto Puro** (#000000) — Dark surface, primary background
- **Branco** (#FFFFFF) — Light surface, card backgrounds
- **Cinza Gradiente from** (#FFFFFF) — Secondary text, borders, muted elements
- **to** (#888888) — Supporting palette color
- **Cinza Muted** (#6B7280) — Secondary text, borders, muted elements
- **Preto Botão** (#000000) — Deep contrast surface
- **Vidro Badge** (rgba(255,255,255,0.1)) — Extended palette, decorative use
- **Borda Gradiente** (rgba(255,255,255,0.3)) — Extended palette, decorative use
- **Borda Branca** (rgba(255,255,255,0.2)) — Extended palette, decorative use

## 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

VÍDEO: Stream HLS curto (~5s loop) com visual abstrato minimalista. Formas geométricas ou partículas sutis em movimento sobre fundo escuro. Aspect ratio ~16:9 (276x160px storyboard). Exibido em opacity 100% sem overlay, posicionado com height 80vh e absolute bottom-[35vh], flutuando atrás do conteúdo de texto. O vídeo cria profundidade visual sem competir com o conteúdo. | EFEITOS CSS: Fundo preto puro com vídeo HLS (opacity 100%, sem overlay) posicionado em height 80vh e bottom-[35vh] flutuando atrás do texto, navbar fixa com blur glassmorphism, 3 badges glassmorphism em row, headline massiva (~80px) com animação fade-in-up, botões sólido preto com borda branca e glass transparente, logo marquee estático grayscale opacity-40, animações staggered via Framer Motion

- **Physics:** Spring — stiffness 120, damping 20. Confident, weighted transitions.
- **Entry animations:** Fade + translate-Y (16px → 0) over 540ms ease-out. Staggered cascades for lists: 120ms between items.
- **Hover states:** Scale(1.03) + shadow lift over 200ms.
- **Page transitions:** Fade + slide (300ms).
- **Performance:** Only transform and opacity animated. No layout-triggering properties.

## Shapes

Base corner radius: 8px. See rounded tokens in front matter for the full scale.

## Components

- **Primary Button:** Subtly rounded (0.5rem) 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:** Subtly rounded (0.5rem) 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 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 Fundo preto puro com vídeo HLS sem overlay
- Do Vídeo h-80vh bottom-35vh
- Do Navbar fixa blur glass
- Do 3 badges glassmorphism
- Do Headline ~80px fade-in-up
- Do Botão preto + glass transparente
- Do Logo marquee grayscale
- Do Animações staggered
- Do Responsivo

## Use Case

SaaS de inovação, Plataformas de AI, Ferramentas enterprise, Startups de tecnologia

<!-- Source: https://designmd.app.br/library/synapse-dark-hero · designmd.app -->
