Generate a step-by-step Minecraft b...

Generate a step-by-step Minecraft building guide for a Nether portal structure. Style: dark gothic steampunk with industrial, totalitarian mid-20th century architecture inspiration (no real-world symbols or references). Requirements: Use only Minecraft blocks (no mods). Structure should be medium-sized and not overly detailed. Include a clear block palette (obsidian, blackstone, deepslate, iron bars, chains, redstone lamps, etc.). Add industrial elements: pipes, gears (decorative), металлическі конструкції. Use red lighting (lava, redstone, shroomlights) to create a dark, ominous atmosphere. Design should feel massive, symmetrical, and imposing. Provide step-by-step instructions layer by layer (bottom to top). Include simple visual guidance (layout descriptions or схеми).