Introduction animation featuring a sleek vertical neon bar, bursting into vibrant turquoise and magenta hues, as it splits into two, with a 3D reflection creating the illusion of a portal opening up

animation portal neon opening up 1980s aesthetic beginning introduction splitting start transition two lines unveiling vertical bars turquoise magenta 3d effect abstract animated captivating commencement darkness dawning deep depth engaging establishing expanding floor forepart futuristic glowing illuminated inception initiate launch line motion onset overture preamble preface prelude presentation revealing reflection shiny sleek vibrant welcoming