Deep blue sea texture with soft waves under the open sky, seamless water pattern

deep blue sea texture soft waves open sky seamless water pattern marine ocean surface tranquility sea texture peaceful aquatic natural pattern rhythmic fluid maritime calm sea undulating serene soothing oceanic water surface ripple tide blue water nautical seascapes marine texture liquid endless open water expansive horizon subtle waves clear sky blue expanse gentle waves seamless nature backdrop ocean waves azure deep sea natural beauty marine backdrop