===== POST 1/5 · Concept =====
Create a high-quality, Retro Grid-style image for an Instagram/LinkedIn carousel about "Linear Algebra for ML" (Math for ML, angle: Concept).

Art direction: y2k journal, graph-paper sticker collage. Modern, polished, social-media ready.
Format: vertical 4:5 aspect ratio (1080×1350 px), with clean negative space near the top for a headline overlay.
Color palette — use ONLY these colors: background #EBE9CC, surface #FFFFFF, primary accent #E94F2E, secondary accent #D8CFF0, tertiary accent #8FA84E, ink/text #1F3A2E.
Subject: a single clear focal concept representing Linear Algebra for ML, rendered in the Retro Grid aesthetic.
No text, no letters, no logos, no watermarks, no UI elements. High detail, crisp edges, professional finish.

Aspect ratio 4:5.

===== POST 2/5 · Why It Matters =====
Create a high-quality, Retro Grid-style image for an Instagram/LinkedIn carousel about "Linear Algebra for ML" (Math for ML, angle: Why It Matters).

Art direction: y2k journal, graph-paper sticker collage. Modern, polished, social-media ready.
Format: vertical 4:5 aspect ratio (1080×1350 px), with clean negative space near the top for a headline overlay.
Color palette — use ONLY these colors: background #EBE9CC, surface #FFFFFF, primary accent #E94F2E, secondary accent #D8CFF0, tertiary accent #8FA84E, ink/text #1F3A2E.
Subject: a single clear focal concept representing Linear Algebra for ML, rendered in the Retro Grid aesthetic.
No text, no letters, no logos, no watermarks, no UI elements. High detail, crisp edges, professional finish.

Aspect ratio 4:5.

===== POST 3/5 · How It Works =====
Create a high-quality, Retro Grid-style image for an Instagram/LinkedIn carousel about "Linear Algebra for ML" (Math for ML, angle: How It Works).

Art direction: y2k journal, graph-paper sticker collage. Modern, polished, social-media ready.
Format: vertical 4:5 aspect ratio (1080×1350 px), with clean negative space near the top for a headline overlay.
Color palette — use ONLY these colors: background #EBE9CC, surface #FFFFFF, primary accent #E94F2E, secondary accent #D8CFF0, tertiary accent #8FA84E, ink/text #1F3A2E.
Subject: a single clear focal concept representing Linear Algebra for ML, rendered in the Retro Grid aesthetic.
No text, no letters, no logos, no watermarks, no UI elements. High detail, crisp edges, professional finish.

Aspect ratio 4:5.

===== POST 4/5 · Code Example =====
Create a high-quality, Retro Grid-style image for an Instagram/LinkedIn carousel about "Linear Algebra for ML" (Math for ML, angle: Code Example).

Art direction: y2k journal, graph-paper sticker collage. Modern, polished, social-media ready.
Format: vertical 4:5 aspect ratio (1080×1350 px), with clean negative space near the top for a headline overlay.
Color palette — use ONLY these colors: background #EBE9CC, surface #FFFFFF, primary accent #E94F2E, secondary accent #D8CFF0, tertiary accent #8FA84E, ink/text #1F3A2E.
Subject: a single clear focal concept representing Linear Algebra for ML, rendered in the Retro Grid aesthetic.
No text, no letters, no logos, no watermarks, no UI elements. High detail, crisp edges, professional finish.

Aspect ratio 4:5.

===== POST 5/5 · Common Mistakes =====
Create a high-quality, Retro Grid-style image for an Instagram/LinkedIn carousel about "Linear Algebra for ML" (Math for ML, angle: Common Mistakes).

Art direction: y2k journal, graph-paper sticker collage. Modern, polished, social-media ready.
Format: vertical 4:5 aspect ratio (1080×1350 px), with clean negative space near the top for a headline overlay.
Color palette — use ONLY these colors: background #EBE9CC, surface #FFFFFF, primary accent #E94F2E, secondary accent #D8CFF0, tertiary accent #8FA84E, ink/text #1F3A2E.
Subject: a single clear focal concept representing Linear Algebra for ML, rendered in the Retro Grid aesthetic.
No text, no letters, no logos, no watermarks, no UI elements. High detail, crisp edges, professional finish.

Aspect ratio 4:5.

Paste into Midjourney, DALL·E, Ideogram, etc. Updates with the selected theme + palette.