Introduction animation made of a vertical neon line bar splitting into two

introduction neon animation opening portal glowing two lines vertical bar splitting start beginning blue and pink 1980s aesthetic 3d presentation transition overture inception engaging floor abstract animated attentiongrabbing captivating commencement darkness deep depth establishing forepart futuristic illuminatied initiate intro introductory launch leadin line motion onset preamble preface prelude reflection shiny sleek unveiling vibrant welcoming