A set of modern and professional presentation slide backgrounds, consistent design across multiple slides. Corporate style inspired by AEBIT Partners branding, using deep blue, light blue, white, and subtle grey tones. Create 5 to 7 different slide backgrounds with the same visual identity but slight variations in layout. Each slide should have a clean and minimal design with elegant geometric shapes, soft gradients, and smooth lines. Some slides can have different compositions (e.g. left accent, right accent, centered gradient, diagonal shapes) while staying consistent as a full presentation. Keep large empty space for adding text later. Include subtle header and footer areas through design only (no text). Style: sleek, corporate, high-end, minimal, professional presentation design. Format: widescreen 16:9, high resolution.