Dark Portfolio Hero

---
version: "alpha"
name: "Dark Portfolio Hero"
description: "Estilo Dark Portfolio com loading screen animado, vídeo HLS, GSAP animations e gradient accent azul. Ideal para portfólios de desenvolvedores, designers e criativos fullstack."
colors:
  primary: "#0a0a0a"
  secondary: "#141414"
  tertiary: "#f5f5f5"
  neutral: "#888888"
  surface: "#f5f5f5"
  accent: "#1f1f1f"
typography:
  h1:
    fontFamily: Inter
    fontSize: 2.5rem
    fontWeight: 700
  body-md:
    fontFamily: Inter
    fontSize: 1rem
    fontWeight: 400
components:
  button-primary:
    backgroundColor: "{colors.primary}"
    textColor: "{colors.neutral}"
    padding: 12px
---

## Overview

Estilo Dark Portfolio com loading screen animado, vídeo HLS, GSAP animations e gradient accent azul. Ideal para portfólios de desenvolvedores, designers e criativos fullstack. Representa o ápice dos portfólios pessoais premium, combinando loading screens cinematográficos, GSAP animations, vídeo HLS e micro-interações sofisticadas.

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

- **Style:** Portfolio, Loading Screen, GSAP Animations, HLS Video, Gradient Accent, Role Cycling
- **Keywords:** portfolio, loading screen, GSAP, HLS video, gradient accent azul, role cycling, Instrument Serif italic, Inter font, scroll indicator, counter animation, pill navbar
- **Era:** 2024-2026 Creative Portfolio Premium
- **Light/Dark:** ✗ Not Recommended / ✓ Full

## Colors

- **Preto Fundo** (#0a0a0a) — Primary background surface
- **Superfície** (#141414) — Secondary surface or text color
- **Texto** (#f5f5f5) — Primary text color
- **Muted** (#888888) — Secondary text, borders, muted elements
- **Acento** (#f5f5f5) — Extended palette, decorative use
- **Stroke** (#1f1f1f) — Extended palette, decorative use
- **Gradiente Azul from** (#89AACC) — Secondary accent
- **to** (#4E85BF) — Extended palette, decorative use
- **Glow** (rgba(137,170,204,0.35)) — Extended palette, decorative use

## Typography

- **Display / Hero:** Inter — Weight 700, tight tracking, used for headline impact
- **Accent:** Instrument Serif — Used for decorative or emphasis text
- **Body:** Inter — Weight 400, 16px/1.6 line-height, max 72ch per line
- **UI Labels / Captions:** Inter — 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 (~17s loop) com animação abstrata de fluido escuro. Ondas e gradientes orgânicos em tons de azul marinho profundo (#1a2a4a) e preto, com movimento suave e contínuo sem texto ou objetos. Aspect ratio ~2:1 (332x160px storyboard). Overlay preto 20% sutil e gradient fade inferior (h-48 from bg to transparent) fundem o vídeo no fundo #0a0a0a da página. Cria atmosfera contemplativa e premium para o portfólio. | EFEITOS CSS: Loading screen animado (2.7s): contador 000→100 via requestAnimationFrame, palavras rotativas (Design→Create→Inspire) com AnimatePresence, barra de progresso gradiente azul com glow, fade-out 0.6s. Hero com vídeo HLS de fundo (fluid/wave dark blue), overlay preto 20%, gradient fade inferior h-48. Pill navbar flutuante com logo gradiente azul ring 36x36px, links pill active state, botão Say hi com gradient border hover. Headline massiva Instrument Serif italic com GSAP entrance (y 50→0, 1.2s). Role cycling a cada 2s com fade-in. Scroll indicator com dot animado translateY loop 1.5s. Botões CTA com gradient border hover technique

- **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 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 Loading screen 2.7s contador + palavras rotativas
- Do Barra progresso gradiente azul glow
- Do Vídeo HLS fundo overlay 20%
- Do Gradient fade inferior h-48
- Do Pill navbar logo gradiente ring
- Do Headline Instrument Serif GSAP
- Do Role cycling 2s
- Do Scroll indicator dot animado
- Do Botões gradient border hover
- Do Responsivo

## Use Case

Portfólios de desenvolvedores, Designers criativos, Freelancers fullstack, Sites pessoais premium

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 Portfolio Hero
- **Tipo:** Portfolio, Loading Screen, GSAP Animations, HLS Video, Gradient Accent, Role Cycling
- **Keywords:** portfolio, loading screen, GSAP, HLS video, gradient accent azul, role cycling, Instrument Serif italic, Inter font, scroll indicator, counter animation, pill navbar
- **Era:** 2024-2026 Creative Portfolio Premium
- **Light/Dark:** ✗ Not Recommended / ✓ Full

## Paleta de Cores

- **Primárias:** Preto Fundo #0a0a0a, Superfície #141414, Texto #f5f5f5, Muted #888888
- **Secundárias:** Acento #f5f5f5, Stroke #1f1f1f, Gradiente Azul from #89AACC to #4E85BF, Glow rgba(137,170,204,0.35)

## Efeitos Visuais

VÍDEO: Stream HLS (~17s loop) com animação abstrata de fluido escuro. Ondas e gradientes orgânicos em tons de azul marinho profundo (#1a2a4a) e preto, com movimento suave e contínuo sem texto ou objetos. Aspect ratio ~2:1 (332x160px storyboard). Overlay preto 20% sutil e gradient fade inferior (h-48 from bg to transparent) fundem o vídeo no fundo #0a0a0a da página. Cria atmosfera contemplativa e premium para o portfólio. | EFEITOS CSS: Loading screen animado (2.7s): contador 000→100 via requestAnimationFrame, palavras rotativas (Design→Create→Inspire) com AnimatePresence, barra de progresso gradiente azul com glow, fade-out 0.6s. Hero com vídeo HLS de fundo (fluid/wave dark blue), overlay preto 20%, gradient fade inferior h-48. Pill navbar flutuante com logo gradiente azul ring 36x36px, links pill active state, botão Say hi com gradient border hover. Headline massiva Instrument Serif italic com GSAP entrance (y 50→0, 1.2s). Role cycling a cada 2s com fade-in. Scroll indicator com dot animado translateY loop 1.5s. Botões CTA com gradient border hover technique

## Direção Visual para IA

Design a dark portfolio with animated loading screen (2.7s): counter 000→100 via rAF, rotating words with AnimatePresence, gradient progress bar (#89AACC to #4E85BF) with glow. Hero with HLS video (dark fluid waves), 20% black overlay, bottom fade h-48. Floating pill navbar with gradient blue ring logo 36x36, pill links, gradient border hover. Massive headline Instrument Serif italic with GSAP y 50→0. Role cycling every 2s. Scroll indicator animated dot. CTA gradient border hover.

## CSS Technical

```css
font-family: 'Inter' / 'Instrument Serif' italic, --bg: #0a0a0a, --surface: #141414, --text: #f5f5f5, --stroke: #1f1f1f, gradient: linear-gradient(90deg, #89AACC, #4E85BF), video: HLS with bg-black/20, GSAP: power3.out y 50→0 1.2s, animation: scroll-down 1.5s infinite, loading: 2.7s counter + words + progress
```

## Design System Variables

```css
--bg: #0a0a0a, --surface: #141414, --text: #f5f5f5, --muted: #888888, --accent: #f5f5f5, --stroke: #1f1f1f, --gradient-accent: linear-gradient(90deg, #89AACC, #4E85BF), --glow: rgba(137,170,204,0.35), --font-body: 'Inter', --font-display: 'Instrument Serif', --loading-duration: 2.7s
```

## Checklist de Implementação

- ☐ Loading screen 2.7s contador + palavras rotativas
- ☐ Barra progresso gradiente azul glow
- ☐ Vídeo HLS fundo overlay 20%
- ☐ Gradient fade inferior h-48
- ☐ Pill navbar logo gradiente ring
- ☐ Headline Instrument Serif GSAP
- ☐ Role cycling 2s
- ☐ Scroll indicator dot animado
- ☐ Botões gradient border hover
- ☐ Responsivo

## 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.