diff --git a/src/conf/models_common_conf.py b/src/conf/models_common_conf.py
index 8b13789..6121cd8 100644
--- a/src/conf/models_common_conf.py
+++ b/src/conf/models_common_conf.py
@@ -1 +1,18 @@
+import gin
+
+@gin.configurable
+class ModelsCommonConfig:
+    """Common architecture switches shared by all backbones."""
+    def __init__(
+        self,
+        backbone: str = "dinov3",            # 'dinov3' | 'stripnet' | 'sofia_v1' | 'sofia_v71'
+        baseline_mode: bool = False,         # text disabled, gate forced 1.0
+        init_gate: float = 0.7,
+        lrsclip_path: str = "nn_models/LRSCLIP/DGTRS-CLIP-ViT-L-14.pt",
+    ) -> None:
+        self.backbone = backbone
+        self.baseline_mode = baseline_mode
+        self.init_gate = init_gate
+        self.lrsclip_path = lrsclip_path
+
 
diff --git a/src/conf/models_dinov3_conf.py b/src/conf/models_dinov3_conf.py
index 8b13789..816f7fb 100644
--- a/src/conf/models_dinov3_conf.py
+++ b/src/conf/models_dinov3_conf.py
@@ -1 +1,19 @@
+import gin
 
+@gin.configurable
+class DINOv3ModelsConfig:
+    def __init__(
+        self,
+        dino_web_path: str = "nn_models/DINO_WEB/dinov3-vitl16-pretrain-lvd1689m.pth",
+        dino_sat_path: str = "nn_models/DINO_SAT/model.safetensors",
+        shared_encoder: bool = True,
+        mona_bottleneck: int = 64,
+        mona_last_n_blocks: int = 12,
+    ) -> None:
+        self.dino_web_path = dino_web_path
+        self.dino_sat_path = dino_sat_path
+        self.shared_encoder = shared_encoder
+        self.mona_bottleneck = mona_bottleneck
+        self.mona_last_n_blocks = mona_last_n_blocks
+
+        
diff --git a/src/conf/models_sofia_v1_conf.py b/src/conf/models_sofia_v1_conf.py
index 8b13789..525b5c4 100644
--- a/src/conf/models_sofia_v1_conf.py
+++ b/src/conf/models_sofia_v1_conf.py
@@ -1 +1,37 @@
+import gin
 
+@gin.configurable
+class SOFIAv1ModelsConfig:
+    def __init__(
+        self,
+        # Backbone.
+        variant: str = "small",              # 'tiny_tiny' | 'tiny' | 'small' | 'small_v2'
+        in_channels: int = 3,
+        input_size: int = 256,
+        dcn_variant: str = "v2",             # 'v2' (stable) | 'v4' (faster, leaks)
+        # Heads.
+        d_descriptor: int = 1024,
+        return_normalized: bool = False,
+        # Altitude-FiLM.
+        use_film_altitude: bool = True,
+        altitude_norm: float = 500.0,
+        # Text-FiLM.
+        use_text_film_uav: bool = True,
+        use_text_film_sat: bool = True,
+        text_film_dim: int = 1024,
+        text_film_hidden: int = 256,
+    ) -> None:
+        self.variant = variant
+        self.in_channels = in_channels
+        self.input_size = input_size
+        self.dcn_variant = dcn_variant
+        self.d_descriptor = d_descriptor
+        self.return_normalized = return_normalized
+        self.use_film_altitude = use_film_altitude
+        self.altitude_norm = altitude_norm
+        self.use_text_film_uav = use_text_film_uav
+        self.use_text_film_sat = use_text_film_sat
+        self.text_film_dim = text_film_dim
+        self.text_film_hidden = text_film_hidden
+
+        
diff --git a/src/conf/models_sofia_v71_conf.py b/src/conf/models_sofia_v71_conf.py
index 8b13789..e69de29 100644
--- a/src/conf/models_sofia_v71_conf.py
+++ b/src/conf/models_sofia_v71_conf.py
@@ -1 +0,0 @@
-
diff --git a/src/conf/models_stripnet_conf.py b/src/conf/models_stripnet_conf.py
index 8b13789..56bcf50 100644
--- a/src/conf/models_stripnet_conf.py
+++ b/src/conf/models_stripnet_conf.py
@@ -1 +1,16 @@
+import gin
 
+@gin.configurable
+class StripNetModelsConfig:
+    def __init__(
+        self,
+        stripnet_path: str = "nn_models/STRIPNET/stripnet_s.pth",
+        stripnet_freeze: bool = True,
+        stripnet_mona_last_n_stages: int = 2,
+        stripnet_backbone_lr_factor: float = 0.1,
+    ) -> None:
+        self.stripnet_path = stripnet_path
+        self.stripnet_freeze = stripnet_freeze
+        self.stripnet_mona_last_n_stages = stripnet_mona_last_n_stages
+        self.stripnet_backbone_lr_factor = stripnet_backbone_lr_factor
+