Initial portfolio site: Astro + Tailwind MVP

Outcome-led hero, about, grouped skills, experience summary, featured
projects + /projects index, static contact, SEO/OG, dark/light theme.
Dockerfile + nginx config + build script for homelab deploy.

src/components/Section.astro

@@ -0,0 +1,37 @@
+---
+interface Props {
+  id: string;
+  eyebrow: string;
+  title: string;
+  /** Monospace index like "01" shown beside the eyebrow. */
+  index?: string;
+}
+const { id, eyebrow, title, index } = Astro.props;
+---
+
+<section id={id} class="section">
+  <div class="container">
+    <header class="section__head" data-reveal>
+      <p class="eyebrow">
+        {index && <span class="section__index">{index}</span>}{eyebrow}
+      </p>
+      <h2 class="section__title">{title}</h2>
+    </header>
+    <slot />
+  </div>
+</section>
+
+<style>
+  .section__head {
+    margin-bottom: var(--space-6);
+  }
+  .section__index {
+    color: var(--text-faint);
+    margin-right: 0.6rem;
+  }
+  .section__title {
+    margin-top: var(--space-3);
+    font-size: var(--step-3);
+    max-width: 22ch;
+  }
+</style>