change to fat synth, finetune parameters

src/lib/audio/instruments/padSynth.ts

@@ -3,14 +3,16 @@ import * as Tone from 'tone';
 export function createPadSynth(isDay: boolean): Tone.PolySynth {
 	return new Tone.PolySynth(Tone.Synth, {
 		oscillator: {
-			type: isDay ? 'triangle' : 'sine'
+			type: 'fatsine', // Fat oscillator creates multiple detuned voices for lush sound
+			count: 3, // Number of detuned oscillators
+			spread: 30 // Amount of detune in cents for width and movement
 		},
 		envelope: {
-			attack: 1.5,
-			decay: 1,
-			sustain: 0.7,
-			release: 1.0
+			attack: isDay ? 2.0 : 3.0, // Longer, smoother attack
+			decay: 1.5,
+			sustain: 0.85, // Higher sustain for consistent pad presence
+			release: isDay ? 2.5 : 4.0 // Longer release for smooth tail-off
 		},
-		volume: -20
+		volume: -24 // Quieter to sit back in the mix and reduce mid heaviness
 	});
 }