Sirocco structures keep the coast readable. They rise where route, signal, shelter, repair, and delayed return have to survive wind, spray, cold, and long operational distances. Even their larger complexes preserve littoral discipline instead of pretending land war can be copied unchanged to the shore.
That leaves a built language of beacons, nodes, depots, yards, restored anchors, and service architecture tuned for weather and mobility. Sirocco permanence does not erase movement; it keeps movement supplied, defended, and possible to return from.