I just started sharing my Path, and if i am reading you right, it fits with what you seek: a gradual, balanced, gentle, joyful, and pleasurable journey towards experiencing life in all its depths and heights. If that's you, then my Path will benefit you along your Way.
Having said that, there is no truly safe way of approaching Kundalini. There are Paths that are physiologically safer in the sense that there is less chance of awakening their fullness of being when their body and mind is not ready, but that does not mean we are free of pain, discomfort, fear, anger, rage, lust, and all the other good stuff.
As we clear, strengthen, balance, move, and build the bodies capacity for holding more energy, all our stuff comes to the surface. We even exasperate our issues, fears, desires, attachments, etc... It brings us to the top quickly, and so, is difficult, dangerous, and overwhelming by its very nature.
Even so, there are ways to approach Kundalini without giving rise to her fury/intensity. This is what i have sought for, for many years now.
In a nutshell this is what i have learned:
Following the eight limbs we start working with the sticky stuff inside us. We invite those actions, thoughts, and words we seek to manifest in our lives and dissolve those actions, thoughts, and words that do not serve us. We are the masters.
Then we put more and more of our attention on those things we consume and how we spend our time. Those things that uplift us we absorb, those things that deflate us - we let go.
While we do that we stretch. We learn to balance the body among other things, not only to make meditation more comfortable and stable, but also to increase the bodies capacity for energy. Coupled with that we work with the breath to support that endeavor in addition to supporting our efforts towards gaining control of the mind and emotions. Emotions being the next things we work with.
In that process we relive our lives, experiencing and remembering those things that have shaped us. As we work with, dissolve, transform the emotional energy, we experience surpluses, waves of energy. We begin to guide this with our minds.
Finally, we are able to work with the prana consciously, using what we have learned from the body, breath, emotions, and mind. Arising from that we learn to channel all the bodily energy into the sushumna, heating and condensing it before flowing upward. As for working with the chakras, that is something we do throughout.
If you are interested then please visit my new YouTube video series on Sacred Yoga here: https://www.youtube.com/watch?v=qOmWc9o6wO8&list=PLq80d9h-mH8gR2Rwq4eknkmctrEHeYOc6
and my Daily 3 Minute Meditations that support what I share in the Sacred Yoga series here:
I hope i have answered your questions.