How Jeff Hojka used ChatGPT, Gemini, and Claude to design, build, and ship a fully custom, production-ready website in 3 days — a project a professional web agency would quote at $9,000–$25,000+.
In 3 days, Jeff Hojka — working alone — used three AI tools (ChatGPT, Google Gemini, and Claude) to design, code, and deploy a fully custom business website for Khojant LLC. The finished site comprises 12 HTML pages, 11 CSS stylesheets, and 4 JavaScript files, built entirely without a CMS or website platform. It includes automatic light and dark mode that adapts to each visitor's browser preference, animated backgrounds, a live contact form, Google Analytics, and full SEO infrastructure — the kind of site a professional web agency would quote at $9,000–$25,000+ and deliver over several weeks.
This is Jeff's second AI-assisted website build. This case study examines what was built, how three AI tools were combined to achieve it, the realistic cost of doing it without AI, and what the project reveals about effective AI-directed development.
Before the redesign, Khojant.com was built on Webflow — a third-party CMS platform with monthly fees, limited customization, and a visual design that had grown dated. The site carried ongoing platform costs, lacked dark mode entirely, and couldn't be modified at the code level without working around Webflow's constraints. It was time for a clean break.
The original Khojant.com as it appeared in a full desktop browser. Click the image to view the complete page.
Even at a glance, the old site communicated a look that belonged to an earlier era of web design — heavy use of stock imagery overlays, generic layout patterns, and no adaptive color scheme.
// The original site's hero section — no dark mode, dated visual language, Webflow platform constraints
The old and new sites as they appear on a mobile device. Click either frame to explore the full length of each.
The result is a fully hand-coded, platform-independent business website — no Webflow, no WordPress, no monthly CMS fees. Every file was generated through AI-assisted development and reviewed, refined, and approved by Jeff. The site is self-contained, fast, and deployable to any standard web host.
The completed Khojant.com. Click the image to explore every section.
The new site delivers a modern, professional aesthetic — animated canvas background, sharp typography, and a design system that works equally well in light and dark modes.
// Modern design language — custom animations, consistent type scale, and adaptive color system
A shared navigation component is injected via JavaScript across all 12 pages, ensuring that any update to the nav propagates everywhere instantly without touching individual files.
// Shared nav component — updated in one file, reflected across all 12 pages
| Page / Component | File | Purpose |
|---|---|---|
| Homepage | index.html | Primary landing page, services, team, contact |
| Jeff Hojka — Profile | jeff-profile.html | Full professional portfolio page |
| Jeff Hojka — About | jeff-about.html | Expanded biography and background |
| Tracy Garon Hojka — Profile | tracy-profile.html | Professional profile page |
| Tracy Garon Hojka — About | tracy-about.html | Expanded biography and background |
| Resources | resources.html | Client and partner resource hub |
| Marathon AI Case Study | marathon-ai-case-study.html | AI project case study |
| Privacy Policy | privacy-policy.html | Legal / GDPR-compliant privacy page |
| Thank You | khojant-thank-you.html | Post-form-submission confirmation |
| 404 Error Page | 404.html | Custom branded error page |
| Shared Navigation | khojant-nav.html + .js | Injected nav across all pages |
| Shared Footer | khojant-footer.html | Injected footer across all pages |
prefers-color-scheme and switches themes instantly, with no user interaction requiredThe difference between the original Webflow-built site and the new AI-assisted build is immediately visible — not just in aesthetics, but in the underlying quality of the design system, the visual consistency, and the technical capabilities the new site brings.
// Left: original Webflow site — Right: AI-assisted redesign · Same business, completely different execution
What made this project distinctive was Jeff's deliberate use of three complementary AI tools — not as interchangeable alternatives, but as different instruments suited to different parts of the build. Jeff acted as the project director throughout, providing domain knowledge, design direction, content requirements, and final approval on every deliverable.
The finished site's source structure — 12 HTML pages, 11 CSS stylesheets, 4 JavaScript files, and supporting assets — all generated through AI-directed development.
// The complete source file tree — every file AI-assisted, Jeff-reviewed, and production-ready
Jeff completed the site in 3 days. His personal time was spent directing the AI tools, reviewing and refining outputs, supplying brand and content requirements, and quality-checking every page — estimated at 12–20 hours of directed effort, with the AI tools handling code generation and content drafting. The only direct tool costs were AI subscriptions at approximately $20/month per tool.
| Metric | ✓ With AI Tools | ✗ Without AI Tools |
|---|---|---|
| Total calendar time | 3 days | 4–10 weeks (agency) |
| Direct human hours | ~12–20 hrs (direction) | 80–200+ hrs (agency team) |
| Roles required | 1 (Jeff) | Designer + developer + copywriter |
| Custom design | AI-generated, Jeff-directed | $3,000–$8,000 designer fee |
| 12 pages developed | AI-generated HTML/CSS/JS | ~$500–$1,200/page = $6,000–$14,400 |
| Light/dark mode | Built in from day one | Often charged as add-on ($500–$1,500) |
| SEO infrastructure | Schema, sitemap, meta — included | $800–$2,500 add-on service |
| CMS / platform fees | $0 — pure HTML/CSS/JS | $30–$300+/month ongoing |
| Total estimated effort | ~12–20 hrs (Jeff's time) | 80–200+ hrs professional team |
| Work Stream | Est. Hours | Est. Cost |
|---|---|---|
| UX design & visual design (designer @ $80–$150/hr) | 20–40 hrs | $2,000–$6,000 |
| Front-end development — 12 pages (developer @ $90–$150/hr) | 40–80 hrs | $4,500–$12,000 |
| Light/dark mode & animations (add-on) | 5–12 hrs | $600–$1,800 |
| Copywriting & content (copywriter @ $60–$120/hr) | 10–20 hrs | $800–$2,400 |
| SEO setup — schema, sitemap, meta, GA4 | 5–10 hrs | $600–$1,500 |
| QA, cross-browser testing, revisions | 5–15 hrs | $500–$1,500 |
| TOTAL | 85–177 hrs | $9,000–$25,200 |
One of the most technically polished aspects of the new site is its automatic light and dark mode system. Rather than requiring visitors to toggle a switch, the site reads the operating system or browser color preference set by each user — and adapts its full visual theme instantly and silently.
This was implemented using the CSS prefers-color-scheme media query combined with CSS custom properties (variables), so a single change in the root definition ripples through all 11 stylesheets simultaneously. Every color, background, border, text shade, and surface adapts — including comparison tables, code blocks, navigation, and footer — with no JavaScript required for the theme switch itself.
Neither mode is an afterthought. Both the dark and light versions are fully designed — every color, surface, border, and text shade adapts. Scroll within each frame to explore the complete site in both themes.
// Same site, same code — the browser preference determines everything. No toggle, no JavaScript, no user action required.
The adaptive theme works identically on mobile. A visitor with a light mode device sees a fully considered light experience — not simply an inverted dark theme.
// Light mode on mobile — fully responsive and fully themed, adapting to whatever device and preference the visitor brings.
A professional-quality website built in 3 days by a single developer using AI tools is a meaningful result — but it did not happen automatically. The quality of what was produced reflects specific skills Jeff brought to the project.
This project illustrates a shift in what a single experienced developer can produce when AI tools are incorporated intelligently into the workflow. The constraint was never the AI's ability to write HTML or CSS. The constraint — and the source of the project's quality — was Jeff's ability to direct the AI with precise requirements, sound architectural instincts, and a clear picture of the end result.
For small businesses, professional services firms, and independent developers, this case study demonstrates a repeatable pattern: a single domain expert who learns to direct AI effectively can produce a site that rivals agency deliverables, in a fraction of the time, at a fraction of the cost. The barrier to entry for a professionally built web presence has dropped significantly — but the skill of directing AI toward a quality outcome remains the limiting factor.
For prospective Khojant clients, this project is also a direct demonstration of how Khojant operates. The same discipline Jeff applied here — breaking a problem down, supplying precise context, maintaining quality standards, and iterating until the output is right — is exactly how Khojant approaches data management, custom software, and systems work. A developer who can build a production website in 3 days using AI is the same developer you want designing your data architecture, reconciling your financials, and building the systems your business runs on.
"In 3 days, Jeff Hojka built what a professional web agency would take 4–10 weeks and $9,000–$25,000+ to deliver. He did it by combining 35+ years of technical judgment with three AI tools — using each where it was strongest, supplying the real business context that makes AI output useful, and maintaining a consistent quality standard throughout. The result is a custom, platform-independent website with automatic light and dark mode, full SEO infrastructure, and zero ongoing platform fees. That is a genuine, measurable, lasting result — and a clear signal of what becomes possible when an experienced developer learns to direct AI with precision."
Want a professional web presence built with AI-directed development? Let’s talk about what we can do.