Create a striking illustration for a men's phone case, featuring an Australian man and his dog, embodying the rugged, adventurous spirit of Australia. The man, in his late 20s to early 30s, has a strong, athletic build, sun-kissed skin, and a rugged face with a strong jawline, light stubble, and piercing blue eyes exuding confidence and warmth. His short, messy hair has natural brown highlights, tousled by the wind. He wears an olive-green short-sleeve shirt with rolled-up sleeves, revealing muscular forearms, and well-worn khaki cargo shorts with small rips and dirt marks. His sturdy boots and brown leather belt with a multi-tool and flashlight highlight his preparedness for adventure. He stands tall and relaxed, one hand resting on his Australian Kelpie, showcasing their bond. The dog is sleek and agile, with a glossy black and tan coat, upright ears, and bright, loyal eyes. It stands at the man’s side, slightly leaning towards him, its tail raised in excitement. A minimalistic pure white background with a subtle hint of the Australian outback, like blurred silhouettes of red earth and distant mountains, ensures the focus remains on them. Natural, warm lighting enhances their features, using earthy tones like deep greens, browns, and sandy yellows to highlight textures. The illustration conveys adventure, strength, and companionship, appealing to men who love the outdoors and the Australian lifestyle, making it a perfect, standout design for a phone case.