Design System: Símbolos Ambientais Brasileiros

1. Visual Theme & Atmosphere

Design an urgent and informative landing page for an Amazon preservation campaign, inspired by Brazilian graphic symbolism. Ideal for landing pages, saas. AI-ready template. Símbolos Ambientais Brasileiros style represents a modern trend in UI/UX web design focused on general.

• Density: 5/10 — Balanced
• Variance: 4/10 — Moderate
• Motion: 4/10 — Subtle

2. Color Palette & Roles

• Verde Floresta (#228B22) — Primary surface or dominant color
• Azul Rio (#4682B4) — Accent highlight, links and focus states
• Marrom Terra (#8B4513) — Supporting palette color
• Branco (#FFFFFF) — Light surface, card backgrounds
• Amarelo Sol (#FFD700) — Warning states, attention indicators
• Laranja Queimado (#CC5500) — Warm accent, call-to-action secondary
• Vermelho Alerta (#CC0000) — Error states, destructive actions
• Cinza Claro (#F0F0F0) — Secondary text, borders, muted elements

3. Typography Rules

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

4. Component Stylings

• 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.

5. Layout Principles

• 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).

6. Motion & Interaction

• 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.

7. Anti-Patterns (Banned)

• 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

Act as a Senior Frontend Engineer and Expert UI Designer. Your task is to code a complete Landing Page on the first attempt.

• Landing Page Theme:
• Sections to add:

Generate the final code immediately following these definitions:

Style

• Name: Símbolos Ambientais Brasileiros
• Type: Urgent, Informative, Engaging, Natural
• Keywords: environmental awareness, Amazon preservation, Brazilian nature, symbolic, urgent, informative, engaging, natural, impactful, sustainable
• Era: 2026+ Consciência Ecológica
• Light/Dark: ✓ Full / ✗ No

Color Palette

• Primary: Verde Floresta #228B22, Azul Rio #4682B4, Marrom Terra #8B4513, Branco #FFFFFF
• Secondary: Amarelo Sol #FFD700, Laranja Queimado #CC5500, Vermelho Alerta #CC0000, Cinza Claro #F0F0F0

Visual Effects

Ícones e símbolos que representam a flora e fauna amazônica, tipografia sans-serif que transmite urgência, fotografias impactantes da natureza, micro-interações de hover com destaque de dados ou fatos, transições de seção com efeito de "crescimento" ou "revelação" de elementos naturais.

AI Visual Direction

Design an urgent and informative landing page for an Amazon preservation campaign, inspired by Brazilian graphic symbolism. Use: icons and symbols representing Amazonian flora/fauna, urgent sans-serif typography, impactful nature photography, data/fact highlight hover micro-interactions, natural element "growth"/"reveal" section transitions, forest green and river blue accents, engaging and sustainable feel.

CSS Technical

background: #FFFFFF, color: #228B22, border-bottom: 3px solid #4682B4, font-family: "Open Sans, sans-serif", transition: all 0.5s ease-in-out, .amazon-icon, .nature-photo-impact, .growth-reveal-transition.

Design System Variables

--forest-green: #228B22, --river-blue: #4682B4, --earth-brown: #8B4513, --white-bg: #FFFFFF, --border-accent: 3px solid #4682B4, --font-main: "Open Sans, sans-serif", --growth-duration: 0.5s.

Implementation Checklist

• ☐ Paleta de cores brasileira verificada
• ☐ Elementos orgânicos/naturais presentes
• ☐ Elementos de sustentabilidade presentes
• ☐ Tipografia hierárquica clara
• ☐ Responsividade mobile verificada
• ☐ Contraste WCAG AA verificado
• ☐ Conteúdo em PT-BR verificado

Execution Rules

1. Strictly follow the defined visual style.
2. Use high-quality inline SVG icons (Heroicons or Lucide style) — NEVER use emojis as icons.
3. Add cursor-pointer and smooth hover states (transition-all) on all interactive elements.
4. Required Page Structure:
   • Navbar (Logo + Links + CTA)
   • Hero Section (Impactful Headline + Subtitle + 2 buttons + 3D/Abstract visual element via CSS)
   • Features (3 cards with icons)
   • Testimonials (3 cards)
   • Pricing (3 tiers, highlight the middle one)
   • Final CTA
   • Full Footer with social links, privacy policy, terms of use, contact and SEO links.
5. All text content must be in English.
6. The visual must be CLEARLY distinct — do not create a "default Bootstrap" design. Force the use of the provided design system variables.
7. Use <style> tags in the head for custom classes (especially for complex backdrop-filter effects and animations) that Tailwind CDN doesn't cover.
8. Full Responsiveness: Layout must adapt perfectly to Mobile, Tablet and Desktop (vertical stack on mobile).
9. Include basic SEO, Viewport and Open Graph meta tags in <head>.
10. Footer must contain: Copyright 2026, Secondary navigation links and Social media icons.
11. Make the creative decisions needed to deliver the complete, functional result now.