Hello, i have read your project description, i understand what you want, and i would like to offer you my services. I can implement the new responsive menu to your PHP page as requested. I have excellent knowledge of PHP, HTML&CSS and related technologies, plenty of experience with them, most importantly including experience with responsive design, so i can finish this project quickly and to your full satisfaction. Feel free to contact me by private message to discuss the details. I'm looking forward to our cooperation.