Flat modern cartoon illustration style, bold vector shapes with clean…

Flat modern cartoon illustration style, bold vector shapes with clean thick outlines, light and optimistic color palette associated with hope and new beginnings: soft pastel sky-blue (#ADD8E6), creamy off-white (#F5F5DC), light olive green (#B0C4B4), and a warm, sunny golden-yellow (#FFD700) accent for the button. The overall mood is uplifting and airy. Vertical portrait Instagram card, 1024x1536. SAFE ZONE RULES (strictly applied): - Small decorative corner illustrations (touching edges but small in scale, max ~15% height): in the top-right corner, a small, stylized open window with light streaming through; in the bottom-left corner, a small, friendly icon of a butterfly emerging from a chrysalis, symbolizing transformation and lightness. - ALL text, the white card rectangle, and the button MUST be positioned strictly between 15% and 85% of the vertical canvas height. Nothing containing text may appear above the 15% line or below the 85% line. A single, large, white rounded rectangle card is positioned centrally within the safe zone (approx. 35% of canvas height). This card contains ONLY the following text, rendered in a bold rounded modern sans-serif font (like Poppins/Montserrat Bold) and perfectly centered within the card: "Тебе нужно сделать всего лишь один шаг для изменений, но иногда он самый сложный — разворот на себя настоящего." Below this main card, separated by a small space, is a small rounded pill/button shape with a filled golden-yellow background and bold navy blue uppercase text inside: "ПОДПИШИСЬ, ЗДЕСЬ ПРО ТО, КАК БЫТЬ СОБОЙ"