Feeling heavy-hearted about my younger sister's faith journey on Eid

Today, on the blessed day of Eid, my little sister openly shared with me that she won't be joining for Eid Salah, and that she's struggling with her belief and doesn't pray regularly. Even though deep down I had sensed her distance from faith before, hearing her say it out loud really shook me, knowing she's feeling disconnected from Allah and our beautiful Deen. It weighs even heavier on my heart because, no matter how much I strive, I often fall short of being the practicing Muslim I aspire to be. My parents, may Allah guide us all, haven't always modeled the most nurturing approach to Islam-sometimes focusing more on criticism and fear than on love and understanding, and I always worried that would push her away. Now, she's fully turned away from faith, and her mental health struggles have played a big part in her doubts. Despite my own challenges and mistakes, I just want what's best for her and pray she finds peace and guidance, but I'm honestly at a loss for what steps to take next. Please remember her in your du'as.