The place of the Qur'an in understanding the components of the Islamic way of life

Undoubtedly, in order to obtain the Islamic way of life, one must refer to its origin, namely the Islamic culture, and it is clear that the main source of Islamic culture is the Book of God and the Holy Quran, but since the lifestyle moves the most superficial layers to the deepest layers. It connects, and on the other hand, the Holy Qur'an, in terms of immortality, is universal in its teachings. Does the Qur'an have a necessary and sufficient condition in this regard, or is the Qur'an the source of some of the characteristics of Islamic life in the modern age?
Some introduce reason, tradition and empirical knowledge as a source similar to the Qur'an, while according to the process of ijtihad - which is a systematic understanding of Islamic teachings in any field - the Qur'an is the main source and the main source in this direction and other sources - the intellect. , Tradition and especially empirical knowledge - are the only tools in the way of extracting the teachings of the Holy Quran from the most superficial layers of life to its deepest layers.