diff --git a/src/reactor_sim/control.py b/src/reactor_sim/control.py
index 686af35..5e6aba1 100644
--- a/src/reactor_sim/control.py
+++ b/src/reactor_sim/control.py
@@ -37,7 +37,7 @@ class ControlSystem:
             return self.rod_fraction
         error = (state.power_output_mw - self.setpoint_mw) / self.setpoint_mw
         # When power is low (negative error) withdraw rods; when high, insert them.
-        adjustment = error * 0.2
+        adjustment = error * 0.35
         adjustment = clamp(adjustment, -constants.CONTROL_ROD_SPEED * dt, constants.CONTROL_ROD_SPEED * dt)
         self.rod_target = clamp(self.rod_target + adjustment, 0.0, 0.95)
         self._advance_banks(self.rod_target, dt)
@@ -78,10 +78,10 @@ class ControlSystem:
         if subcooling_margin is not None:
             severity = max(severity, max(0.0, 3.0 - subcooling_margin) / 3.0)
         if dnb_margin is not None:
-            severity = max(severity, max(0.0, 1.0 - dnb_margin) / 1.0)
+            severity = max(severity, max(0.0, 0.7 - dnb_margin) / 0.7)
         if severity <= 0.0:
             return
-        backoff = (0.005 + 0.03 * severity) * dt
+        backoff = (0.003 + 0.02 * severity) * dt
         self.rod_target = clamp(self.rod_target + backoff, 0.0, 0.95)
         self._advance_banks(self.rod_target, dt)
         LOGGER.debug("Safety backoff applied: target=%.3f severity=%.2f", self.rod_target, severity)