Enhance layout and styling with new CSS classes, update homepage layout to custom, and add summaries and feature images to various articles for improved content presentation.

content/learning/git/index.md

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 title: "Git: Distributed Version Control for Digital Independence"
 date: 2025-01-15
+featureImageCaption: Author unknown. (https://commons.wikimedia.org/wiki/File:Linus-Torvalds.jpeg), “Linus Torvalds”, https://creativecommons.org/licenses/by-sa/3.0/legalcode
+summary: "Git is more than just a version control system; it embodies principles of decentralization, resilience, and user sovereignty. This article explores how Git's distributed architecture aligns with the values of civil society organizations, enabling them to maintain control over their digital infrastructure."
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 ## Introduction

content/learning/internet/index.md

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 title: "The Internet: Infrastructure for Civil Society"
 date: 2025-01-15
+featureImageCaption: ITU. https://bbmaps.itu.int/bbmaps/. Captured 2025-07-09.
+summary: The Internet stands as one of humanity's most transformative technological achievements, connecting billions of people and fundamentally reshaping how we communicate, learn, organize, and participate in public life.
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 ## Introduction

content/learning/language-models/index.md

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 title: "Language Models: Understanding AI in the Context of Civil Society"
 date: 2025-01-15
+featureImageCaption: "dvgodoy (https://commons.wikimedia.org/wiki/file:Transformer,-full-architecture.png), 'Transformer, full architecture', https://creativecommons.org/licenses/by/4.0/legalcode"
+summary: "Language models are reshaping how we interact with technology, but they also raise critical questions about control, transparency, and the future of human agency. This article explores language models through the lens of civil society values, examining their implications for digital sovereignty and how organizations can navigate this complex landscape."
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 ## Introduction

content/learning/linux/index.md

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 title: "Linux: The Operating System for Digital Sovereignty"
 date: 2025-01-15
+featureImageCaption: "Credit: Frank Karlitschek. 2015-10-04. CC. \"A portrait of Richard Stallman that I made during the 30 years FSF party in Boston.\""
+summary: "Linux is more than just an operating system; it is a cornerstone of digital sovereignty for civil society organizations. This article explores how Linux empowers communities to reclaim control over their technology, ensuring independence, security, and adaptability in an increasingly centralized digital landscape."
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 ## Introduction

content/learning/open-source/index.md

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 title: "Open Source: The Foundation of Digital Freedom"
 date: 2025-01-15
+summary: "Open source is more than just a software development model; it is a philosophy that empowers individuals and communities to reclaim control over their digital lives. This article explores the principles of open source, its significance for civil society, and how it enables digital autonomy in an increasingly centralized tech landscape."
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 ## Introduction

content/learning/software-development/index.md

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 title: "Software Development: Building Digital Infrastructure for Civil Society"
 date: 2025-01-15
+featureImageCaption: Photo by <a href="https://unsplash.com/@kellysikkema?utm_content=creditCopyText&utm_medium=referral&utm_source=unsplash">Kelly Sikkema</a> on <a href="https://unsplash.com/photos/woman-wearing-black-t-shirt-holding-white-computer-keyboard-YK0HPwWDJ1I?utm_content=creditCopyText&utm_medium=referral&utm_source=unsplash">Unsplash</a>
+summary: "Software development is a critical aspect of civil society's digital sovereignty. This article explores how development practices, tools, and approaches can either reinforce dependency or enable sovereignty, emphasizing the importance of building independent, adaptable, and resilient software systems."
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 ## Introduction