project-1

byvedant Sonwane

You are building a single-file HTML landing page for [PRODUCT NAME], a SaaS product: [ONE-LINE VALUE PROP], for [AUDIENCE]. Creative direction — read this before writing any code Ground every visual choice in the actual subject matter: [THE "WORLD" IT LIVES IN]. Don't reach for generic floating spheres/particles/abstract blobs — the 3D scene should be built from forms, materials, and motifs that belong to this specific product's world. Pick ONE concrete metaphor for the whole scene (a physical process, object, or system that mirrors what the product does) and commit to it rather than decorating with unrelated shapes. Avoid the current AI-landing-page defaults unless the brand color explicitly calls for them: warm cream background + serif display + terracotta accent near-black background + single neon/acid accent broadsheet newspaper layout with hairline rules Pick a palette of 4–6 named hex values deliberately tied to the product's world, not a template default. Pair a characterful display typeface with a quieter body face — not the same Inter/Satoshi pairing every SaaS site uses. Spend your one big creative risk on a signature moment: a single scene or transition that this page will be remembered for. Keep everything else disciplined around it. The core mechanic: scroll-driven 3D narrative A WebGL canvas (Three.js) sits as a persistent backdrop. As the user scrolls, map scroll progress (0→1) to a continuous transformation of the 3D scene — camera moving along a path, an object assembling/unfolding/rotating, materials shifting — so the scene reads as one continuous journey, not disconnected scenes. HTML content (headlines, feature copy, stats) is pinned and revealed in sync with the 3D motion using GSAP + ScrollTrigger (scrub: true so it tracks scroll position directly, not just triggers once). "Unfolding" should apply to both: the 3D object literally opening/revealing/assembling AND the copy appearing progressively (word-by-word or line-by-line reveals, not a wall of text dropped in at once). Each section = one scroll-locked "beat": a 3D state + a piece of information revealed together. Don't let the 3D and the copy feel like two separate layers stacked on top of each other. Section-by-section structure Hero — the signature 3D moment at rest, headline stating the core value prop in plain language, no explaining yet. Problem — the 3D scene shifts to represent the "before" state (friction, chaos, manual work). Feature reveals (x3) — one scroll-locked beat per core feature: [FEATURE 1], [FEATURE 2], [FEATURE 3]. The 3D scene transforms to visually represent each one as it's introduced. Proof — social proof / stats / logos, presented as part of the same visual world (not a generic card grid dropped in). Pricing or CTA setup — scene resolves toward a "complete" or "assembled" state. Final CTA — [CTA GOAL], clear single action, no competing links. Technical constraints Single .html file. No build step, no bundler, no backend, no npm install. Load Three.js and GSAP + ScrollTrigger from a CDN (jsdelivr or cdnjs) via <script> tags. Fully responsive down to mobile. On mobile/low-end devices: reduce geometry complexity/particle counts, or fall back to a lighter CSS-only parallax version of the same narrative — do not just shrink the desktop version. Respect prefers-reduced-motion: provide a static/minimal-motion fallback that still communicates the same content and structure. Visible keyboard focus states; page must be usable with JS/WebGL disabled (semantic HTML underneath, not everything painted to canvas). Write real, specific copy for [PRODUCT NAME] — no lorem ipsum, no "Feature One / Feature Two" placeholders. Before you finalize Check your own plan against the brief: if the palette, type pairing, or 3D metaphor is something you'd produce for any SaaS product regardless of what it does, revise it until it's specific to [PRODUCT NAME]'s actual world

Landing
Landing

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System Requirements

System Requirement Document
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System Requirements Document for Project-1

Introduction

This document outlines the system requirements for Project-1, a single-file HTML landing page for a SaaS product. The project aims to create a unique and engaging user experience through a scroll-driven 3D narrative that is responsive and accessible.

System Overview

Project-1 is designed to showcase a SaaS product through a visually compelling landing page. The page will feature a 3D metaphor that aligns with the product's world, providing users with an interactive and memorable experience. The design will avoid generic elements and focus on accessibility and mobile compatibility.

Source Content Inventory

No authoritative content sources were provided for this project.

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Functional Requirements as Story Points

  • As a User, I should be able to experience a scroll-driven 3D narrative that visually represents the product's features.
  • As a User, I should see the core value proposition clearly stated in the hero section.
  • As a User, I should be able to understand the problem the product solves through a 3D scene shift.
  • As a User, I should see each core feature revealed through a synchronized 3D transformation and text.
  • As a User, I should be presented with social proof and statistics integrated into the visual narrative.
  • As a User, I should be guided towards a clear call-to-action with a resolved 3D scene.
  • As a User, I should be able to access the page on mobile devices with a responsive design.
  • As a User, I should experience reduced motion or static content if I have prefers-reduced-motion enabled.
  • As a User, I should be able to navigate the page with keyboard focus states visible.

User Personas

  • General User: Individuals interested in the SaaS product, seeking to understand its value and features.
  • Mobile User: Users accessing the landing page on mobile devices, requiring a responsive and optimized experience.

Core User Flows

  • User lands on the page -> experiences the hero section with the core value proposition -> scrolls to see the problem representation -> continues scrolling to view feature reveals -> sees social proof and statistics -> reaches the final call-to-action.
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Visuals Colors and Theme

  • primary: #1A73E8 (a deep blue representing trust and professionalism)
  • primary_light: #E8F0FE (a light blue for hover states and secondary UI)
  • secondary: #FF7043 (a coral hue for headlines and emphasis)
  • accent: #F4B400 (a vibrant yellow for call-to-action elements)
  • highlight: #FBBC05 (a warm amber for notifications and active indicators)
  • bg: #FFFFFF (a clean white background)
  • surface: rgba(255, 255, 255, 0.8) (a semi-transparent white for card backgrounds)
  • text: #202124 (a dark gray for primary text)
  • text_muted: #5F6368 (a softer gray for secondary text)
  • border: rgba(60, 64, 67, 0.2) (a subtle gray for borders)

Signature Design Concept

The landing page for Project-1 will feature an interactive 3D metaphor of a "digital ecosystem" that represents the SaaS product's world. As users scroll, they will witness a transformation of this ecosystem, starting from a chaotic state to a well-organized, efficient system. This transformation will be synchronized with the text reveals, creating a cohesive narrative.

Landing Hero Motion Brief

The hero section will depict a digital ecosystem in a state of flux. As users scroll, the ecosystem will gradually organize itself, symbolizing the product's ability to bring order and efficiency. The transformation will be continuous, with elements like nodes and connections dynamically rearranging. The motion will be built using Three.js for the 3D scene and GSAP + ScrollTrigger for scroll-driven animations. The first frame will be visually appealing and informative, even when paused.

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Interaction Model & Motion Direction

The landing page will use a "parallax" interaction model, with layered depth achieved through scroll-driven 3D transformations. The hero section will include a continuous 2D motion loop, with parallax effects enhancing the storytelling. Each section will have a distinctive core mechanic, such as morphing SVGs or kinetic typography, to maintain user engagement.

Non-Functional Requirements

  • The page must be a single .html file with no build step or backend dependencies.
  • Load external libraries (Three.js, GSAP + ScrollTrigger) from a CDN.
  • Ensure full responsiveness and accessibility, including keyboard navigation and reduced-motion support.

Tech Stack

  • Frontend: HTML, CSS, JavaScript
  • Libraries: Three.js, GSAP + ScrollTrigger

Assumptions and Constraints

  • The page will be developed as a single-file HTML document.
  • No server-side processing or database integration is required.
  • The design must be specific to the product's world and avoid generic elements.
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Glossary

  • 3D Metaphor: A visual representation that uses 3D elements to convey the product's functionality or value.
  • Scroll-driven Narrative: A storytelling technique where the narrative unfolds as the user scrolls through the page.
  • Parallax: An effect where background images move slower than foreground images, creating a sense of depth.
Landing design preview
Landing: View Hero
Landing: Read Value Prop
Landing: Scroll Problem
Landing: View Feature One
Landing: View Feature Two
Landing: View Feature Three
Landing: View Social Proof
Landing: View Stats
Landing: View Pricing
Landing: Click CTA
Landing design preview
Landing: View Hero
Landing: Read Value Prop
Landing: Scroll Problem
Landing: View Feature One
Landing: View Feature Two
Landing: View Feature Three
Landing: View Social Proof
Landing: View Stats
Landing: View Pricing
Landing: Click CTA