Indoor smoking is less socially dominant than before, but it still appears in some adult settings. Law vibe is mixed: modern and formal in big cities, looser in everyday life.
Minimum budget: rural $800/mo, urban $1100/mo. Medical insurance: $1,100/yr.
Auto: Russian licenses should be carried with an IDP or Portuguese, English translation; desks usually focus on passport, card and license readability. Rentals are deep-market: about $25-60/day for Mobi, Onix, HB20 class, more for automatics and SUVs. Cross-border to Argentina, Uruguay, Paraguay is supplier-specific with Carta Verde, insurance; Amazon, frontier crossings are not a casual rental-car idea.
Smoking: Indoor smoking is less socially dominant than before, but it still appears in some adult settings.
Police / rules: Police and public-order vibe is variable: institutions can be formal, while daily life often runs through local judgment, negotiation, and context.