_G.StartMainMenu = false


function loadMainMenu()

    print("Main menu loaded!") -- проверка


    local player = game.Players.LocalPlayer
    local character = player.Character or player.CharacterAdded:Wait()
    local humanoid = character:WaitForChild("Humanoid")
    local root = character:WaitForChild("HumanoidRootPart")

    local flying = false
    local flySpeed = 50
    local up = false
    local down = false
    local lastVelocity = Vector3.zero

    -- GUI
    local gui = Instance.new("ScreenGui")
    gui.Name = "FlightGUI"
    gui.ResetOnSpawn = false
    gui.Parent = player:WaitForChild("PlayerGui")

    -- round button helper
    local function makeRoundButton(text, pos)
        local b = Instance.new("TextButton")
        b.Size = UDim2.new(0.14, 0, 0.14, 0)
        b.Position = pos
        b.Text = text
        b.Font = Enum.Font.SourceSansBold
        b.TextScaled = true
        b.TextColor3 = Color3.new(1, 1, 1)
        b.BackgroundColor3 = Color3.fromRGB(0, 170, 255)
        b.BackgroundTransparency = 0.35
        b.BorderSizePixel = 0
        b.Parent = gui

        local corner = Instance.new("UICorner")
        corner.CornerRadius = UDim.new(1, 0)
        corner.Parent = b
        return b
    end

    -- ↑↓ buttons
    local upButton = makeRoundButton("↑", UDim2.new(0.84, 0, 0.40, 0))
    local downButton = makeRoundButton("↓", UDim2.new(0.84, 0, 0.52, 0))

    -- toggle fly
    local toggleButton = Instance.new("TextButton")
    toggleButton.Size = UDim2.new(0.28, 0, 0.08, 0)
    toggleButton.Position = UDim2.new(0.36, 0, 0.55, 0)
    toggleButton.Text = "✈️ Toggle Fly"
    toggleButton.Font = Enum.Font.SourceSansBold
    toggleButton.TextScaled = true
    toggleButton.TextColor3 = Color3.new(1, 1, 1)
    toggleButton.BackgroundColor3 = Color3.fromRGB(255, 170, 0)
    toggleButton.BackgroundTransparency = 0.2
    toggleButton.BorderSizePixel = 0
    toggleButton.Parent = gui

    local corner = Instance.new("UICorner")
    corner.CornerRadius = UDim.new(0.3, 0)
    corner.Parent = toggleButton

    -- Controls
    upButton.MouseButton1Down:Connect(function() up = true end)
    upButton.MouseButton1Up:Connect(function() up = false end)
    downButton.MouseButton1Down:Connect(function() down = true end)
    downButton.MouseButton1Up:Connect(function() down = false end)

    toggleButton.MouseButton1Click:Connect(function()
        flying = not flying
        humanoid.PlatformStand = flying

        if not flying then
            -- smooth landing
            task.spawn(function()
                for i = 1, 40 do
                    if humanoid and root then
                        root.Velocity = Vector3.new(0, math.max(-2, lastVelocity.Y - 1), 0)
                    end
                    task.wait(0.02)
                end
            end)
        end
    end)

    -- Movement
    game:GetService("RunService").RenderStepped:Connect(function()
        if flying and root then
            local move = humanoid.MoveDirection
            local vel = move * flySpeed
            if up then vel += Vector3.new(0, flySpeed, 0) end
            if down then vel += Vector3.new(0, -flySpeed, 0) end
            root.Velocity = vel
            lastVelocity = vel
        end
    end)
end

-------------------------------------------------
-- 🔐 KEY SYSTEM
-------------------------------------------------
local KEY_REQUIRED = "FlyxDDfgH"
local KEY_LINK = "https://discord.gg/MFwf9JFmb"

local player = game.Players.LocalPlayer
local gui = Instance.new("ScreenGui", player.PlayerGui)
gui.Name = "KeySystemUI"
gui.ResetOnSpawn = false

local frame = Instance.new("Frame", gui)
frame.Size = UDim2.new(0, 300, 0, 200)
frame.Position = UDim2.new(0.5, -150, 0.5, -100)
frame.BackgroundColor3 = Color3.fromRGB(40, 40, 40)
frame.BorderSizePixel = 0

local title = Instance.new("TextLabel", frame)
title.Size = UDim2.new(1, 0, 0, 40)
title.Text = "Enter Key"
title.TextScaled = true
title.BackgroundTransparency = 1
title.TextColor3 = Color3.new(1,1,1)

local keyBox = Instance.new("TextBox", frame)
keyBox.Size = UDim2.new(1, -20, 0, 40)
keyBox.Position = UDim2.new(0, 10, 0, 50)
keyBox.PlaceholderText = "Enter key..."
keyBox.Text = ""
keyBox.TextScaled = true
keyBox.BackgroundColor3 = Color3.fromRGB(70, 70, 70)
keyBox.TextColor3 = Color3.new(1,1,1)

local checkBtn = Instance.new("TextButton", frame)
checkBtn.Size = UDim2.new(0, 130, 0, 40)
checkBtn.Position = UDim2.new(0, 10, 0, 110)
checkBtn.Text = "Check Key"
checkBtn.TextScaled = true
checkBtn.BackgroundColor3 = Color3.fromRGB(0, 200, 0)

local getBtn = Instance.new("TextButton", frame)
getBtn.Size = UDim2.new(0, 130, 0, 40)
getBtn.Position = UDim2.new(0, 160, 0, 110)
getBtn.Text = "Get Key"
getBtn.TextScaled = true
getBtn.BackgroundColor3 = Color3.fromRGB(0, 120, 255)

local status = Instance.new("TextLabel", frame)
status.Size = UDim2.new(1, 0, 0, 30)
status.Position = UDim2.new(0, 0, 1, -30)
status.BackgroundTransparency = 1
status.TextColor3 = Color3.new(1, 0, 0)
status.TextScaled = true
status.Text = ""

-- Copy link
getBtn.MouseButton1Click:Connect(function()
    if setclipboard then
        setclipboard(KEY_LINK)
        status.Text = "Copied!"
        status.TextColor3 = Color3.new(0, 1, 0)
    else
        status.Text = "Clipboard unsupported"
    end
end)

-- Key Check
checkBtn.MouseButton1Click:Connect(function()
    if keyBox.Text == KEY_REQUIRED then
        status.Text = "Correct key!"
        status.TextColor3 = Color3.new(0,1,0)
        task.wait(0.3)

        frame:Destroy()
        _G.StartMainMenu = true
        loadMainMenu()
    else
        status.Text = "Wrong key!"
        status.TextColor3 = Color3.new(1,0,0)
    end
end)