Co-Parenting Europe (IVF and egg plant/ shared clinic costs)

Female, 45, Germany. Seeking a serious co-parenting partner (Europe-wide) for clinic treatment. Strictly 50/50 shared clinic medical costs and shared legal rights from the beginning. No romance, no natural insemination or other methods as they don´t work anymore So, anonymous sperm donors pls don´t write me!!! Looking for a dedicated man who wants to be a father.