What was the impact of the Assad regime's collapse in Syria?

The Assad family's 54-year rule in Syria was overthrown in just 11 days, creating one of the 21st century's most significant geopolitical earthquakes. This sudden collapse of such a long-lasting regime in a strategically important country has generated far-reaching consequences throughout the Middle East and beyond. The aftershocks of this dramatic power shift are reshaping the regional geopolitical landscape as various players recalibrate their strategies. The impact extends well beyond Syria's borders, affecting the strategic calculations of nations across the Middle East chessboard, with implications that will continue to unfold globally in the coming years.