ht = stations.length * 60;
                            const blankSpaceHeight = window.innerHeight - 40;
                            
                            // Simple range check: show branding from when last station is nearly gone 
                            // until we've scrolled enough after reset to see stations from bottom
                            const showStart = blankSpaceHeight + stationsHeight - 100; // Show when near end
                            const hideAfterReset = 200; // Hide wh