Need to develop megamenu in wordpress

Budget : 60$ need to develop a megamenu from psd and it will be fully responsive I mean you need to work for mobile devices also. Mainly you need to work on megamenu first after complete we will work for mobile menu and i will give you instruction. what you should use * if need post then you need to create custom post type name will be cp_menu * You need to use bootstrap 4.2.1 * You will acf pro if need any metabox.. I will give you acf pro plugin * you need to use container fluid * you need to make two effect i mean menu will be sticky and menu top will be also sticky but when visitor go to down it will not add but when visitor back from down to up then it will added with menu * Its must be pixel perfect * it will must be hand coding and code will be clean * megamenu will be fully worked for any bigger devices and main resolution is 1920px. I will give you responsive grid you need to confirm all of grid working what you cant * you cant use any other meta box plugin * you cant use any mega menu plugin or any other plugin * you cant use your server to work * you can't do anything harm for me and my website if i get it i will report against you