ProfitHelper — Landing Page with Dark/Light Mode and Animations

Built a full landing page for a SaaS product with strong attention to UX detail.

What's shown in the video:
— Smooth CSS scroll animations
— Dark / Light mode toggle
— Interactive calculator
— Responsive design (desktop → mobile)
— Language switcher: EN / UA / RU

Product: profithelper.app — trading SaaS for traders

#landing #uiux #animations #darkmode #responsive #webdev #javascript