Dark SaaS Hero with Liquid Glass

---
version: "alpha"
name: "Dark SaaS Hero with Liquid Glass"
description: "Hero SaaS dark com liquid glass, vídeo de fundo espacial, navbar pill, marquee social proof e CTA verde vibrante. Prompt pronto para IA generativa."
colors:
  primary: "#87FB89"
typography:
  h1:
    fontFamily: Geist Sans
    fontSize: 2.5rem
    fontWeight: 700
  body-md:
    fontFamily: Geist Sans
    fontSize: 1rem
    fontWeight: 400
components:
  button-primary:
    backgroundColor: "{colors.primary}"
    padding: 12px
---

## Overview

Hero SaaS dark com liquid glass, vídeo de fundo espacial, navbar pill, marquee social proof e CTA verde vibrante. Prompt pronto para IA generativa. Evolução do glassmorphism para liquid glass em 2025-2026, combinando backdrop-filter com pseudo-elements de borda gradiente via mask-composite. O padrão dark SaaS hero com vídeo de fundo e social proof marquee tornou-se a assinatura visual de startups tech modernas, popularizado por ferramentas como Linear, Vercel e Stripe.

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

- **Style:** Dark SaaS, Liquid Glass, Video Background, Marquee Social Proof
- **Keywords:** dark SaaS, liquid glass, video background, hero section, marquee, social proof, green accent, backdrop blur, glass morphism, navbar pill, announcement badge, CTA buttons
- **Era:** 2025-2026 SaaS/AI Startup
- **Light/Dark:** ✗ None / ✓ Full

## Colors

- **Primary** (#87FB89) — Primary accent, CTAs and interactive elements

## Typography

- **Display / Hero:** Geist Sans — Weight 700, tight tracking, used for headline impact
- **Body:** Geist Sans — Weight 400, 16px/1.6 line-height, max 72ch per line
- **UI Labels / Captions:** Geist Sans — 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

Liquid glass com backdrop-filter blur(4px) e pseudo-element gradient border via mask-composite, video background full-screen (Terra rotacionando do espaço) com autoPlay loop muted playsInline object-cover absolute inset-0, marquee horizontal infinito translateX(0%) a translateX(-50%) em 20s linear infinite, hover suave em botões e links (200ms transition)

- **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: 9999px. See rounded tokens in front matter for the full scale.

## Components

- **Primary Button:** Pill-shaped (9999px) 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:** Pill-shaped (9999px) 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 Fundo escuro hsl(260,87%,3%) com leve tom roxo
- Do Vídeo background full-screen da Terra do espaço
- Do Classe .liquid-glass reutilizável com backdrop-filter e pseudo-element gradient border
- Do Navbar pill centralizada liquid-glass com logo + nav items + CTA verde
- Do Badge de anúncio liquid-glass rounded-full
- Do Heading text-7xl semibold tracking-tight
- Do Dois botões CTA (verde primary + liquid-glass secondary)
- Do Marquee social proof com 6 marcas em loop infinito 20s
- Do Fonte Geist Sans 400-700
- Do Cor primária verde #87FB89

## Use Case

SaaS B2B, Ferramentas de IA, Plataformas de desenvolvedores, Landing pages tech, Startups, APIs e SDKs

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:** Dark SaaS Hero with Liquid Glass
- **Tipo:** Dark SaaS, Liquid Glass, Video Background, Marquee Social Proof
- **Keywords:** dark SaaS, liquid glass, video background, hero section, marquee, social proof, green accent, backdrop blur, glass morphism, navbar pill, announcement badge, CTA buttons
- **Era:** 2025-2026 SaaS/AI Startup
- **Light/Dark:** ✗ None / ✓ Full

## Paleta de Cores

- **Primárias:** Background hsl(260,87%,3%), Foreground hsl(40,6%,95%), Primary #87FB89 hsl(121,95%,76%)
- **Secundárias:** Primary-foreground hsl(0,0%,5%), Hero-heading hsl(40,10%,96%), Hero-sub hsl(40,6%,82%), Secondary hsl(240,4%,16%), Muted hsl(240,4%,16%), Border hsl(240,4%,20%)

## Efeitos Visuais

Liquid glass com backdrop-filter blur(4px) e pseudo-element gradient border via mask-composite, video background full-screen (Terra rotacionando do espaço) com autoPlay loop muted playsInline object-cover absolute inset-0, marquee horizontal infinito translateX(0%) a translateX(-50%) em 20s linear infinite, hover suave em botões e links (200ms transition)

## Direção Visual para IA

Create a dark SaaS landing page hero section. Font: Geist Sans (400-700). Background: near-black with slight purple hsl(260,87%,3%). Foreground: warm off-white hsl(40,6%,95%). Primary accent: bright green #87FB89 hsl(121,95%,76%). Full-screen background VIDEO of rotating Earth from space (autoPlay, loop, muted, playsInline, object-cover, absolute inset-0) covering entire hero. Liquid Glass effect as reusable .liquid-glass class: background rgba(255,255,255,0.01), background-blend-mode luminosity, backdrop-filter blur(4px), no border, box-shadow inset 0 1px 1px rgba(255,255,255,0.1), overflow hidden, plus ::before pseudo-element with vertical gradient border using mask-composite (padding 1.4px, gradient from white 0.45 to transparent to white 0.45, webkit-mask-composite xor, mask-composite exclude). Layout top-to-bottom centered over video: (1) Navbar liquid-glass pill rounded-3xl max-w-850px with logo gradient square + crosshair SVG + APEX text, nav items Features/Solutions/Plans/Learning, Sign Up green CTA. (2) Announcement badge liquid-glass rounded-full pill 'Nova+ Launched!' with Explore chip + ChevronRight. (3) Heading text-7xl font-semibold tracking-tight 'Accelerate Your Revenue Growth Now'. (4) Subheading text-lg opacity-80. (5) Two CTA buttons: 'Start Free Right Now' green primary rounded-full, 'Schedule a Consult' liquid-glass rounded-full. (6) Social proof marquee at bottom with brand names Vortex/Nimbus/Prysma/Cirrus/Kynder/Halcyn scrolling horizontally, duplicated for seamless loop, 20s linear infinite animation.

## CSS Technical

```css
font-family: 'Geist Sans', sans-serif; background: hsl(260,87%,3%); color: hsl(40,6%,95%); .liquid-glass { background: rgba(255,255,255,0.01); background-blend-mode: luminosity; backdrop-filter: blur(4px); border: none; box-shadow: inset 0 1px 1px rgba(255,255,255,0.1); overflow: hidden; position: relative; } .liquid-glass::before { content:''; position:absolute; inset:0; padding:1.4px; background: linear-gradient(180deg, rgba(255,255,255,0.45) 0%, rgba(255,255,255,0.15) 20%, rgba(255,255,255,0) 40%, rgba(255,255,255,0) 60%, rgba(255,255,255,0.15) 80%, rgba(255,255,255,0.45) 100%); border-radius:inherit; -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0); -webkit-mask-composite: xor; mask-composite: exclude; pointer-events:none; } @keyframes marquee { 0%{transform:translateX(0%)} 100%{transform:translateX(-50%)} } .marquee-track { animation: marquee 20s linear infinite; }
```

## Design System Variables

```css
--background: hsl(260,87%,3%); --foreground: hsl(40,6%,95%); --primary: hsl(121,95%,76%); --primary-foreground: hsl(0,0%,5%); --hero-heading: hsl(40,10%,96%); --hero-sub: hsl(40,6%,82%); --secondary: hsl(240,4%,16%); --muted: hsl(240,4%,16%); --border: hsl(240,4%,20%); --font-primary: 'Geist Sans', sans-serif; --border-radius-full: 9999px; --border-radius-3xl: 1.5rem; --border-radius-xl: 0.75rem; --border-radius-lg: 0.5rem
```

## Checklist de Implementação

- ☐ Fundo escuro hsl(260,87%,3%) com leve tom roxo
- ☐ Vídeo background full-screen da Terra do espaço
- ☐ Classe .liquid-glass reutilizável com backdrop-filter e pseudo-element gradient border
- ☐ Navbar pill centralizada liquid-glass com logo + nav items + CTA verde
- ☐ Badge de anúncio liquid-glass rounded-full
- ☐ Heading text-7xl semibold tracking-tight
- ☐ Dois botões CTA (verde primary + liquid-glass secondary)
- ☐ Marquee social proof com 6 marcas em loop infinito 20s
- ☐ Fonte Geist Sans 400-700
- ☐ Cor primária verde #87FB89

## 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.