fix: renombrar imágenes a ASCII (sin acentos) para evitar 404

Bahía-aérea → maldonado-aerial
Datacenter-racks-enorme → datacenter-racks
Equipo-en-escritorio-con-mate → team-desk-mate
Manos-escribiendo-teclado-café → hands-typing-coffee
Monitor-closeup-grafana → monitor-grafana

src/components/ProcessSteps.astro

@@ -21,7 +21,7 @@ const steps = [
   <!-- Background photo: team working (very subtle, blurred) -->
   <div class="absolute inset-0 pointer-events-none" aria-hidden="true" style="opacity: 0.05; backdrop-filter: blur(4px);">
     <img
-      src="/images/photos/Manos-escribiendo-teclado-café_1200x800.webp"
+      src="/images/photos/hands-typing-coffee-1200x800.webp"
       alt=""
       class="w-full h-full object-cover"
       loading="lazy"