diff --git a/main.py b/main.py
index a37922b..b7fd931 100644
--- a/main.py
+++ b/main.py
@@ -1,11 +1,42 @@
 import os
+import time
 import argparse
-from datetime import datetime
+from datetime import datetime, timedelta
 from dotenv import load_dotenv
 
 import logger_utilities
 from pipeline import run_pipeline
 
+# ============================================================================
+
+HORARIOS = [
+    (6, 30, 13, 15, 300, "rapido"),     # 06:30 - 13:15 -> cada 5 minutos
+    (13, 15, 14, 0, 1800, "full"),     # 13:15 - 14:00 -> cada 30 minutos
+    (14, 0, 18, 30, 300, "rapido"),     # 14:00 - 17:30 -> cada 5 minutos
+    (18, 30, 21, 30, 3600, "full"),    # 17:30 - 21:30 -> cada 60 minutos
+]
+# ============================================================================
+def obtener_intervalo(dt: datetime) -> tuple[int, str] | None:
+    minutos = dt.hour * 60 + dt.minute
+
+    for hi, mi, hf, mf, intervalo, modo in HORARIOS:
+        inicio = hi * 60 + mi
+        fin = hf * 60 + mf
+
+        if inicio <= minutos < fin:
+            return (intervalo, modo)
+
+    return None
+
+# ============================================================================
+def segundos_hasta_proximo_inicio(dt: datetime) -> int:
+    inicio = dt.replace(hour=6, minute=30, second=0, microsecond=0)
+
+    if dt >= inicio:
+        inicio += timedelta(days=1)
+
+    return int((inicio - dt).total_seconds())
+
 # ============================================================================
 def non_negative_int(value: str) -> int:
     ivalue = int(value)
@@ -33,18 +64,57 @@ def main() -> None:
 
     dias = args.dias
 
-    if dias == 0:
-        print("📋 Obteniendo correos electrónicos de Office365 hoy.")
-    else:
-        print(f"📋 Obteniendo correos electrónicos de Office365 desde hace {dias} días hasta hoy.")
-
     load_dotenv(dotenv_path=".env.dev")
 
     EMAIL = os.getenv("EMAIL", "")
     DOWNLOAD_FOLDER = os.getenv("DOWNLOAD_FOLDER", "")
     OUTPUT_FOLDER = os.getenv("OUTPUT_FOLDER", "")
 
-    run_pipeline(dias, EMAIL, DOWNLOAD_FOLDER, OUTPUT_FOLDER)
+    print("🚀 Demonio iniciado")
+    print("=" * 60)
+
+    while True:
+
+        inicio_ciclo = datetime.now()
+
+        resultado = obtener_intervalo(inicio_ciclo)
+
+        if resultado is not None:
+
+            intervalo, modo = resultado
+
+            print(
+                f"\n[{inicio_ciclo:%Y-%m-%d %H:%M:%S}] "
+                f"Iniciando ciclo [{modo}] (cada {intervalo}s)"
+            )
+
+            run_pipeline(dias, EMAIL, DOWNLOAD_FOLDER, OUTPUT_FOLDER)
+
+            duracion = (datetime.now() - inicio_ciclo).total_seconds()
+
+            if duracion > intervalo:
+                print(
+                    f"⚠️ El ciclo demoró {duracion:.1f}s "
+                    f"(intervalo configurado {intervalo}s)"
+                )
+
+            dormir = max(0, intervalo - duracion)
+
+            print(f"💤 Próximo ciclo [{modo}] en {dormir:.0f}s...")
+
+        else:
+
+            dormir = segundos_hasta_proximo_inicio(inicio_ciclo)
+
+            despertar = inicio_ciclo + timedelta(seconds=dormir)
+
+            print(
+                f"\n[{inicio_ciclo:%Y-%m-%d %H:%M:%S}] "
+                f"Fuera del horario.\n"
+                f"Próxima ejecución: {despertar:%Y-%m-%d %H:%M:%S}"
+            )
+
+        time.sleep(dormir)
 
 # ============================================================================
 
@@ -52,17 +122,9 @@ if __name__ == "__main__":
     log_path = logger_utilities.setup_logger()
     logger_utilities.limpiar_logs_antiguos(dias=30)
 
-    inicio = datetime.now()
     print("=" * 60)
-    print(f"🚀 INICIO DE EJECUCIÓN: {inicio.strftime('%Y-%m-%d %H:%M:%S')}")
+    print(f"🚀 Demonio iniciado: {datetime.now():%Y-%m-%d %H:%M:%S}")
     print(f"📄 Log guardado en: {log_path}")
     print("=" * 60)
 
     main()
-
-    fin = datetime.now()
-    duracion = fin - inicio
-    print("\n" + "=" * 60)
-    print(f"🏁 FIN DE EJECUCIÓN: {fin.strftime('%Y-%m-%d %H:%M:%S')}")
-    print(f"⏱️ Duración total: {str(duracion).split('.')[0]}")
-    print("=" * 60)
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..52f86c9
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,27 @@
+[build-system]
+requires = ["setuptools>=64"]
+build-backend = "setuptools.backends._legacy:_Backend"
+
+[project]
+name = "descarga_factura_transporte"
+version = "1.1.0"
+description = "Descarga y procesamiento de facturas de transporte desde Office365"
+requires-python = ">=3.11"
+dependencies = [
+    "certifi==2026.6.17",
+    "cffi==2.1.0",
+    "charset-normalizer==3.4.9",
+    "cryptography==49.0.0",
+    "dotenv==0.9.9",
+    "idna==3.18",
+    "msal==1.37.0",
+    "pdfminer.six==20260107",
+    "pdfplumber==0.11.10",
+    "pillow==12.3.0",
+    "pycparser==3.0",
+    "PyJWT==2.13.0",
+    "pypdfium2==5.11.0",
+    "python-dotenv==1.2.2",
+    "requests==2.34.2",
+    "urllib3==2.7.0",
+]