chunk 1: core gameplay scripts scenes runtime assets

Assets/Scripts/SpecialMoveCardSystem/CardData.cs

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+using UnityEngine;
+
+namespace SpecialMoveCards
+{
+    /// <summary>
+    /// ScriptableObject defining metadata for a special move card.
+    /// </summary>
+    [CreateAssetMenu(menuName = "Special Move Cards/Card Data", fileName = "CardData")]
+    public class CardData : ScriptableObject
+    {
+        [Header("Identity")]
+        public CardType type;
+        [Tooltip("Display name of the special move.")]
+        public string moveName;
+        [Tooltip("Animator state/clip or Trigger name to play on pickup use.")]
+        public string animationTriggerName;
+
+        [Header("Visuals")]
+        public Color color = Color.white;
+        public Sprite icon;
+        [Tooltip("Optional particle effect to spawn on pickup or use.")]
+        public GameObject particlePrefab;
+
+        [Header("Tuning")]
+        [Tooltip("Hover amplitude for world pickup (meters). If 0, uses default on CardBehaviour.")]
+        public float hoverAmplitude = 0.25f;
+        [Tooltip("Hover speed for world pickup (Hz). If 0, uses default on CardBehaviour.")]
+        public float hoverSpeed = 1.0f;
+        [Tooltip("Self-rotation speed in degrees per second. If 0, uses default on CardBehaviour.")]
+        public float rotationSpeed = 35f;
+        [Tooltip("Emission intensity for the card material.")]
+        public float emissionIntensity = 2.5f;
+
+        [Header("Optional Ability Params")]
+        [Tooltip("Optional scalar param that other systems can read.")]
+        public float powerMultiplier = 1f;
+    }
+}