Client Proposals That Look Agency-Built

Generate fully branded, animated client proposals from a single prompt. Architecture diagrams, ROI charts, expandable deliverables, deployed live to a URL your client can open on their phone. The entire process takes under two minutes and the output looks like a design agency spent a week on it.

What You'll Learn

• How one prompt generates two full interactive HTML pages
• Custom SVG diagrams, scroll animations, and ROI charts
• Deployed live to a URL, not a PDF, not a Google Doc
• Mobile-responsive for client walkthroughs on calls

Why Interactive Proposals Win

Most proposals are PDFs or Google Docs. Walls of text. No visual proof. No interactivity. The client reads it once and forgets it.

Interactive proposals change the dynamic. When a client opens a live URL and sees scroll animations, architecture diagrams, and expandable deliverable sections, they remember it. It feels premium. It signals that you operate at a different level.

The problem is that building something like this normally takes a designer, a developer, and days of work. Unless you have a Claude Code skill that generates the whole thing from a single conversation.

The Approach

Step 1: Define the skill. A Claude Code skill is a markdown file that tells Claude exactly how to perform a specific task. For client proposals, the skill defines the page structure, design system, animation patterns, and interactive components. Think of it as a reusable template that Claude follows every time you ask it to build a proposal.

Step 2: Set the design system. Lock in your brand colors, fonts, and visual patterns. The skill uses a consistent palette: dark backgrounds for hero sections, cream for content areas, teal and copper accent colors. Every proposal looks cohesive and professional because the design decisions are baked into the skill, not made on the fly.

Step 3: Build the page templates. The skill generates two HTML pages. Page one is the high-level pitch: hero section, problem visualization, solution architecture, feature cards, ROI comparison, and implementation timeline. Page two is the detailed work plan: expandable deliverable cards with inline diagrams, system architecture, rollout phases, and investment CTA. Both pages are self-contained HTML with Tailwind CSS and vanilla JavaScript. No build step needed.

What The Output Includes

The pitch page:

• A sticky navigation bar with section links
• A hero section with the client's name, value proposition, and key stat cards
• A time audit showing where the client currently spends hours on manual tasks
• A solution architecture diagram with tech stack pills
• Feature cards with time-saved badges
• Before/after ROI charts with animated donut breakdowns
• An implementation timeline with phase cards

The work plan page:

• Interactive accordion cards for each deliverable (click to expand, one open at a time)
• An inline SVG diagram for every deliverable showing how it works
• A system architecture node map with hover tooltips
• Dashboard preview wireframes
• A rollout timeline with active and future phase indicators
• A clear investment section with everything included

Built-in interactivity:

• Scroll-triggered fade-up animations on every section
• Bar charts that animate width on scroll with easing curves
• Accordion cards with smooth expand/collapse and icon rotation
• Architecture nodes with hover tooltips and line highlighting
• Donut charts with animated stroke on scroll
• Smooth anchor scrolling from the navigation bar
• Mobile-responsive with 44px touch targets

The Workflow

Tell Claude about your client: their business, what you're building, the deliverables, and the investment amount. Claude asks clarifying questions to fill in any gaps. Then it generates both pages with custom diagrams for every deliverable, deploys them to a live URL, and gives you the link to send to your client.

The entire process takes under two minutes. The output looks like a design agency spent a week on it.

Mobile walkthrough tip: send the live URL to your client five minutes before a call. Ask them to open it on their phone. Walk through the proposal together while they scroll. The animations and interactivity create a presentation experience that PDFs can't match.

How To Build Your Own

Start with a reference. Build one proposal manually, or have Claude build one with detailed instructions, until the output looks exactly how you want it. Then distill the patterns into a skill file: the HTML structure, the CSS design system, the JavaScript interactions, the SVG diagram patterns, and the deployment steps.

Save the skill file in your Claude Code skills directory. From that point forward, every proposal follows the same quality bar automatically. You just provide the client details and Claude handles everything else.

The key is being specific in the skill file. Define exact hex colors, font weights, animation timings, SVG patterns, and responsive breakpoints. The more specific the skill, the more consistent the output.

Go Deeper

Printable PDF version of this guide: https://drive.google.com/file/d/1N_R0wlMoLFLMaPc-G7lyVNg0A-GY-Azp/view?usp=drivesdk

Want the whole system installed live, with Cooper on the call? Build Your Own AI, the two week sprint runs the first two weeks of August.

Or get a new working tool every Monday inside The AI Operator community on Whop.