I am a North African country with a diverse landscape, boasting a Mediterranean coastline, the Sahara Desert, and the Atlas Mountains. My culture is a blend of Berber, Arab, and European influences. I am known for my traditional music, vibrant souks, and ancient Roman ruins. My cuisine features couscous, tagines, and mint tea. Which country am I?

1. I have a population of over 35 million people.
2. My largest city is a major port.
3. My official languages are Arabic and Berber.
4. I gained independence in the mid-20th century.