Global Mountain and Ski Resorts Market Size, Share Demand Report By Resort Type (Alpine Ski Resorts, Nordic Ski Resorts, Mixed/Multi-Activity Mountain Resorts), By Facility/Service (Accommodation, Ski Facilities, Food & Beverage, Recreational Amenities, Retail), By Customer Type (Domestic Tourists, International Tourists, Premium/Luxury Travelers, Budget/Mid-Range Travelers), By Seasonality (Winter Seasonal, Year-Round, Adventure-Focused), By Revenue Source, By Region & Segment Forecasts, 2025–2030