Create a modern, professional cover design for the school subject Mathematics. Format: The design should be created in A4 portrait format, so it can be used perfectly as a digital cover page in GoodNotes on an iPad. The overall style should be suitable for a 10th grade student: high-quality, minimalist, modern, and more like a professional digital notebook cover than a traditional school worksheet. The design should feel mature and sophisticated, not childish. Color palette: Use a harmonious color palette based on warm pastel yellow tones. The colors should feel soft, modern, and elegant while still being clearly recognizable as yellow. Avoid overly bright or neon colors. Combine the pastel yellow shades with slightly darker yellow or golden accents to create contrast, depth, and a premium look. The squared grid-paper background should also match this color palette. The grid lines should have a subtle yellow tint instead of standard gray or blue. They should remain slightly transparent and understated, so they support the design without becoming the main focus. Background: The background should contain a subtle graph-paper texture, similar to a mathematics notebook. The grid lines should have reduced opacity and appear as a secondary design element, adding depth while keeping attention on the main content. Additionally, include modern abstract organic blob shapes as decorative elements. These blobs should not look like simple circles but should have irregular, flowing Voir plus