if (motionState) {
  currentTime = millis() / 1000;
  digitalWrite(R, LOW);
  digitalWrite(B, HIGH);

  digitalWrite(pumpPin, HIGH);

  motionState = false;
}

if (millis() / 1000 - currentTime < 10) {
  if (10 - (millis() / 1000 - currentTime) <= 5) {
    digitalWrite(B, LOW);
    digitalWrite(R, (millis() % 100 > 50) ? HIGH : LOW);  // LED pâlpâie
    Serial.println("LED blinking. Valve will close soon.");
  }
} else {
  digitalWrite(R, LOW);
  digitalWrite(pumpPin, LOW);

  Serial.println("Valve closed and LED turned off.");
}