diff --git a/src/components/layout/CMDPalette/index.tsx b/src/components/layout/CMDPalette/index.tsx
index 2e57d23..db767b6 100644
--- a/src/components/layout/CMDPalette/index.tsx
+++ b/src/components/layout/CMDPalette/index.tsx
@@ -16,6 +16,7 @@ const TYPE_LABELS: Record<ContentType, string> = {
   article: 'Article',
   element: 'Element',
   page: 'Page',
+  section: 'Section',
 };
 
 /* INDEX ENTRY */
@@ -82,8 +83,12 @@ const buildRows = (entries: PaletteEntry[]): RenderRow[] => {
   return rows;
 };
 
+interface Props {
+  currentPath?: string;
+}
+
 /* COMPONENT */
-export default function CommandPalette() {
+export default function CommandPalette({ currentPath = '/' }) {
   const [isOpen, setIsOpen] = useState(false);
   const [query, setQuery] = useState('');
   const [index, setIndex] = useState<IndexedEntry[]>([]);
@@ -150,17 +155,49 @@ export default function CommandPalette() {
 
   /* FILTERED ENTRIES -> RENDER ROWS */
   const filtered = useMemo(() => {
-    if (!query.trim()) {
-      return index.filter((e) => e.depth <= 2).slice(0, MAX_DEFAULT);
+    if (query.trim()) {
+      const q = normalize(query);
+      return index
+        .map((entry) => ({ entry, score: scoreEntry(entry, q) }))
+        .filter((r) => r.score > 0)
+        .sort((a, b) => b.score - a.score)
+        .slice(0, MAX_SEARCH)
+        .map((r) => r.entry);
     }
-    const q = normalize(query);
-    return index
-      .map((entry) => ({ entry, score: scoreEntry(entry, q) }))
-      .filter((r) => r.score > 0)
-      .sort((a, b) => b.score - a.score)
-      .slice(0, MAX_SEARCH)
-      .map((r) => r.entry);
-  }, [index, query]);
+
+    if (currentPath === '/') {
+      return index.filter((e) => e.depth === 1);
+    }
+
+    const segments = currentPath.replace(/\/$/, '').split('/').filter(Boolean);
+    const parentPath = '/' + segments.slice(0, -1).join('/');
+    const normalizedCurrent = currentPath.replace(/\/$/, '');
+
+    const siblings = index.filter((e) => {
+      const ePath = e.path.replace(/\/$/, '');
+      return (
+        ePath !== normalizedCurrent &&
+        ePath.startsWith(parentPath) &&
+        e.depth === segments.length
+      );
+    });
+
+    const children = index.filter((e) => {
+      const ePath = e.path.replace(/\/$/, '');
+      return (
+        ePath.startsWith(normalizedCurrent) && e.depth === segments.length + 1
+      );
+    });
+
+    const parent = index.filter((e) => {
+      const ePath = e.path.replace(/\/$/, '');
+      return ePath === parentPath;
+    });
+
+    const contextual = [...parent, ...siblings, ...children];
+
+    return contextual;
+  }, [index, query, currentPath]);
 
   const rows = useMemo(() => buildRows(filtered), [filtered]);
 
diff --git a/src/components/layout/MastHead.astro b/src/components/layout/MastHead.astro
index 769b405..2b85266 100644
--- a/src/components/layout/MastHead.astro
+++ b/src/components/layout/MastHead.astro
@@ -13,13 +13,13 @@ import CommandPalette from "./CMDPalette"
         <span class="bracket">]</span>
       </span>
     </a>
-    <CommandPalette client:load />
+    <CommandPalette client:load currentPath={Astro.url.pathname} />
   </div>
 </header>
 
 <style>
   .site-header {
-    @mixin py var(--el-masthead-paddingY);
+    @mixin py var(--ui-masthead-paddingY);
 
     position: sticky;
     z-index: 9;
@@ -41,8 +41,8 @@ import CommandPalette from "./CMDPalette"
     align-items: center;
     justify-content: flex-start;
 
-    font-size: var(--el-masthead-font-size);
-    line-height: var(--el-masthead-line-height);
+    font-size: var(--ui-masthead-font-size);
+    line-height: var(--ui-masthead-line-height);
   }
 
   .site-logo {
diff --git a/src/components/layout/PostHeader/Title.astro b/src/components/layout/PostHeader/Title.astro
index 04f918e..2102639 100644
--- a/src/components/layout/PostHeader/Title.astro
+++ b/src/components/layout/PostHeader/Title.astro
@@ -19,20 +19,19 @@ console.log(subtitle);
     @mixin layout-wrapper;
     @mixin py var(--spacing-relaxed);
   }
+
   .title {
-    font-size: var(--el-h1-color);
-    font-family: var(--el-h1-font-family);
-    font-size: var(--el-h1-font-size);
-    line-height: var(--typo-leading-tight);
-    letter-spacing: -0.025em;
+    @mixin heading-1;
   }
 
+
   .subtitle {
     @mixin mt var(--spacing-snug);
+
     font-family: var(--font-header);
     font-size: var(--typo-size-lg);
     font-weight: 300;
-    letter-spacing: 0.075em;
     text-transform: uppercase;
+    letter-spacing: 0.075em;
   }
 </style>
diff --git a/src/content/articles/alchemical-materialism/cover/src.png b/src/content/articles/alchemical-materialism/cover/src.png
deleted file mode 100644
index a380b98..0000000
Binary files a/src/content/articles/alchemical-materialism/cover/src.png and /dev/null differ
diff --git a/src/content/articles/alchemical-materialism/index.mdoc b/src/content/articles/alchemical-materialism/index.mdoc
index b88c106..055a291 100644
--- a/src/content/articles/alchemical-materialism/index.mdoc
+++ b/src/content/articles/alchemical-materialism/index.mdoc
@@ -3,10 +3,7 @@ title: Alchemical Materialism
 subtitle: A Systematic Framework for Worldbuilding Through Elemental Combination
 summary: A Systematic Framework for Worldbuilding Through Elemental Combination
 cover:
-  src: /content/articles/alchemical-materialism/cover/src.png
-  alt: Man approach a volcano
-  caption: The Eshian God-Alchemists claimed this was the face of Monad
-  showInHeader: true
+  showInHeader: false
 publishDate: 2026-02-20T11:17:00.000Z
 status: published
 isFeatured: false
diff --git a/src/keystatic/fields/content.ts b/src/keystatic/fields/content.ts
index bef597b..237f18f 100644
--- a/src/keystatic/fields/content.ts
+++ b/src/keystatic/fields/content.ts
@@ -10,6 +10,9 @@ export const createContentField = (
 ) =>
   fields.markdoc({
     label: 'Body',
+    options: {
+      heading: [2, 3, 4, 5, 6],
+    },
     components: {
       ...sharedComponents,
       ...additionalComponents,
diff --git a/src/layouts/ContentLayout.astro b/src/layouts/ContentLayout.astro
index 93cc846..6b5643c 100644
--- a/src/layouts/ContentLayout.astro
+++ b/src/layouts/ContentLayout.astro
@@ -15,6 +15,7 @@ const { entry, collectionName } = Astro.props;
 const { Content } = await render(entry);
 const { title, summary, subtitle, updateDate, publishDate, tags, seo } =
   entry.data;
+const hasMargin = Astro.slots.has('margin')
 
 const breadcrumbs = await getBreadcrumbs(
   entry.data.parent ?? null,
@@ -48,11 +49,41 @@ const headerCover =
         tags={tags}
         subtitle={subtitle}
       />
-      <div class="content">
-        <slot name="before-content" />
-        <Content />
-        <slot name="after-content" />
+      <div class="frame">
+        <div class="body content">
+          <slot name="before-content" />
+          <Content />
+          <slot name="after-content" />
+        </div>
+        {hasMargin &&(
+          <aside class="margin">
+            <slot name="margin" />
+          </aside>
+        )}
       </div>
     </article>
   </main>
 </Base>
+
+<style>
+  .frame {
+    @mixin layout-wrapper;
+
+    font-size: var(--typo-size-responsive);
+
+    @media (--bp-desktop) {
+      position: relative;
+      display: grid;
+      grid-template-columns: var(--ui-content-width) var(--ui-margin-width);
+    }
+  }
+
+  .body {
+    min-width: 0;
+  }
+
+  .margin {
+    position: relative;
+    min-width: 0;
+  }
+</style>
diff --git a/src/lib/types/content.ts b/src/lib/types/content.ts
index b3478c8..f151ec6 100644
--- a/src/lib/types/content.ts
+++ b/src/lib/types/content.ts
@@ -1,7 +1,7 @@
 import type { CollectionEntry } from 'astro:content';
 
 /** Registered Content Type identifiers **/
-export type ContentType = 'article' | 'page' | 'element';
+export type ContentType = 'article' | 'page' | 'element' | 'section';
 
 /**
  * Minimal common shape for everything that participates in path resoltution and parent chain walking.
diff --git a/src/lib/utils/paths.ts b/src/lib/utils/paths.ts
index 8a6506e..ef95977 100644
--- a/src/lib/utils/paths.ts
+++ b/src/lib/utils/paths.ts
@@ -174,7 +174,7 @@ export const buildPaletteIndex = (
     return {
       label: r.entry.data.title,
       path: `/${r.path}`,
-      type: r.type,
+      type: r.type === 'article' && depth <= 1 ? 'section' : r.type,
       parent: parentTitle,
       depth,
     };
diff --git a/src/styles/base/content copy.css b/src/styles/base/content copy.css
new file mode 100644
index 0000000..231cfce
--- /dev/null
+++ b/src/styles/base/content copy.css	
@@ -0,0 +1,651 @@
+.content {
+  @mixin responsive-wrapper;
+  font-family: var(--font-body);
+  /* === Headings === */
+  & h1 {
+    margin-block: var(--el-h1-vspace-top) var(--el-h1-vspace-bottom);
+    padding-bottom: var(--spacing-snug);
+    border-bottom: var(--size-4) solid var(--el-h1-color);
+
+    font-family: var(--el-h1-font-family), serif;
+    font-size: var(--el-h1-font-size);
+    font-weight: 400;
+    line-height: var(--typo-leading-tight);
+    color: var(--el-h1-color);
+    text-transform: uppercase;
+    letter-spacing: -0.0137em;
+
+    & + p,
+    & + ul,
+    & + ol,
+    & + blockquote {
+      margin-block: calc(1em * var(--typo-leading-normal) * var(--vspace-tight))
+        calc(1em * var(--typo-leading-normal) * var(--vspace-snug));
+    }
+
+    & + h2 {
+      margin-block: calc(1em * 1.125 * var(--vspace-snug))
+        calc(1em * 1.125 * var(--vspace-normal));
+    }
+  }
+
+  & h2 {
+    margin-block: var(--el-h2-vspace-top) var(--el-h2-vspace-bottom);
+    padding-left: var(--spacing-snug);
+    border-left: var(--size-4) solid var(--el-h2-color);
+
+    font-family: var(--el-h2-font-family), serif;
+    font-size: var(--el-h2-font-size);
+    font-weight: 900;
+    line-height: 1.1765;
+    color: var(--el-h2-color);
+    text-transform: uppercase;
+    letter-spacing: -0.0096em;
+
+    & + p,
+    & + ul,
+    & + ol,
+    & + blockquote {
+      margin-block: calc(1em * var(--typo-leading-normal) * var(--vspace-tight))
+        calc(1em * var(--typo-leading-normal) * var(--vspace-snug));
+    }
+
+    & + h3 {
+      margin-block: calc(1em * 1.125 * var(--vspace-compressed))
+        calc(1em * 1.125 * var(--vspace-snug));
+    }
+  }
+
+  & h3 {
+    margin-block: var(--el-h3-vspace-top) var(--el-h3-vspace-bottom);
+    padding: var(--spacing-tight) var(--spacing-snug);
+
+    font-family: var(--el-h3-font-family), serif;
+    font-size: var(--el-h3-font-size);
+    font-weight: 800;
+    line-height: 1.2;
+    color: var(--color-surface-base);
+    text-transform: uppercase;
+    letter-spacing: -0.004em;
+
+    background: var(--el-h3-color);
+  }
+
+  & h4 {
+    margin-block: var(--el-h4-vspace-top) var(--el-h4-vspace-bottom);
+    padding: var(--spacing-tight) var(--spacing-snug);
+    border-top: var(--size-3) solid var(--el-h4-color);
+    border-bottom: var(--size-3) solid var(--el-h4-color);
+
+    font-family: var(--el-h4-font-family), serif;
+    font-size: var(--el-h4-font-size);
+    font-weight: 800;
+    line-height: 1.125;
+    text-transform: uppercase;
+    letter-spacing: 0.0025em;
+  }
+
+  & h5 {
+    margin-block: var(--el-h5-vspace-top) var(--el-h5-vspace-bottom);
+    padding: var(--spacing-tight) var(--spacing-snug);
+
+    font-family: var(--el-h5-font-family), serif;
+    font-size: var(--el-h5-font-size);
+    font-weight: 800;
+    line-height: 1.28;
+    color: var(--el-h5-color);
+    text-transform: uppercase;
+    letter-spacing: 0.05em;
+
+    &::before,
+    &::after {
+      content: '';
+      padding-right: var(--spacing-tight);
+      line-height: 1;
+    }
+
+    &::before {
+      content: '⭑';
+    }
+
+    &::after {
+      content: '';
+    }
+  }
+
+  & h6 {
+    margin-block: var(--el-h6-vspace-top) var(--el-h6-vspace-bottom);
+
+    font-family: var(--el-h6-font-family), serif;
+    font-size: var(--el-h6-font-size);
+    font-weight: 900;
+    line-height: 1.4;
+    color: var(--el-h6-color);
+    text-transform: uppercase;
+    letter-spacing: 0.035em;
+  }
+
+  & h3,
+  & h4,
+  & h5,
+  & h6 {
+    & + p,
+    & + ul,
+    & + ol,
+    & + blockquote {
+      margin-block: calc(
+          1em * var(--typo-leading-normal) * var(--vspace-compressed)
+        )
+        calc(1em * var(--typo-leading-normal) * var(--vspace-snug));
+    }
+  }
+
+  /* === Body Text === */
+
+  & p {
+    margin-block: var(--el-p-vspace-top) var(--el-p-vspace-bottom);
+
+    font-family: var(--el-p-font-family), sans-serif;
+    font-size: var(--el-p-font-size);
+    font-weight: 400;
+    line-height: var(--typo-leading-normal);
+    color: var(--el-p-color);
+    text-align: justify;
+  }
+
+  & blockquote {
+    margin-block: var(--el-p-vspace-top) var(--el-p-vspace-bottom);
+    padding: var(--spacing-snug) 0 var(--spacing-snug)
+      var(--spacing-comfortable);
+    border-left: var(--size-4) solid var(--color-text-tertiary);
+
+    font-family: var(--el-blockquote-font-family), serif;
+    font-size: var(--el-blockquote-font-size);
+    font-weight: 500;
+    font-style: normal;
+    line-height: var(--typo-leading-comfortable);
+    color: var(--el-blockquote-color);
+  }
+
+  /* === Code === */
+
+  pre {
+    margin-block: var(--el-pre-vspace-top) var(--el-pre-vspace-bottom);
+    padding: var(--spacing-comfortable);
+
+    font-family: var(--el-pre-font-family), monospace;
+    font-size: var(--el-pre-font-size);
+    line-height: 1.5385;
+    color: var(--el-pre-color);
+
+    background: var(--el-pre-background);
+  }
+
+  code {
+    padding: 0.1em 0.3em;
+
+    font-family: var(--font-mono), monospace;
+    font-size: var(--typo-size-sm);
+    color: var(--color-text-inverse);
+
+    background: var(--color-surface-inverse);
+  }
+
+  kbd {
+    padding: 0.1em 0.3em;
+    border: 1px solid var(--color-text-primary);
+    border-radius: 2px;
+
+    font-family: var(--font-mono), monospace;
+    font-size: var(--typo-size-xs);
+    color: var(--color-text-inverse);
+    text-transform: uppercase;
+
+    background: var(--color-surface-inverse);
+  }
+
+  samp {
+    padding: 0.1em 0.3em;
+    border-left: var(--size-1) solid var(--color-text-tertiary);
+
+    font-family: var(--font-mono), monospace;
+    font-size: var(--typo-size-sm);
+    color: var(--color-text-primary);
+
+    background: var(--color-surface-elevated-2);
+  }
+
+  var {
+    font-family: var(--font-mono), monospace;
+    font-weight: 600;
+    font-style: normal;
+    color: var(--color-text-secondary);
+  }
+
+  /* === Lists === */
+
+  ul,
+  ol {
+    margin-block: var(--el-list-vspace-top) var(--el-list-vspace-bottom);
+    font-size: var(--el-list-font-size);
+    line-height: var(--typo-leading-normal);
+    color: var(--el-list-color);
+  }
+
+  ul ul,
+  ul ol,
+  ol ul,
+  ol ol {
+    margin-block: var(--el-list-nested-vspace-top)
+      var(--el-list-nested-vspace-bottom);
+  }
+
+  li {
+    margin-block: var(--el-li-vspace-top) var(--el-li-vspace-bottom);
+
+    li {
+      margin-block: var(--el-li-nested-vspace-top)
+        var(--el-li-nested-vspace-bottom);
+    }
+  }
+
+  ul {
+    padding-left: var(--spacing-cozy);
+    list-style: none;
+
+    li {
+      padding-left: var(--spacing-cozy);
+
+      &::marker {
+        content: '⎊';
+        color: var(--color-text-primary);
+      }
+    }
+
+    ul,
+    ol {
+      padding-left: var(--spacing-cozy);
+    }
+
+    ul li::marker {
+      content: '⋊';
+      color: var(--color-text-primary);
+    }
+
+    ul ul,
+    ul ol,
+    ol ul,
+    ol ol {
+      padding-left: var(--spacing-cozy);
+    }
+
+    ul ul li::marker,
+    ol ul li::marker {
+      content: '◆';
+      color: var(--color-text-primary);
+    }
+
+    ul ul ul,
+    ul ul ol,
+    ul ol ul,
+    ul ol ol,
+    ol ul ul,
+    ol ul ol,
+    ol ol ul,
+    ol ol ol {
+      padding-left: var(--spacing-cozy);
+    }
+
+    ul ul ul li::marker,
+    ul ol ul li::marker,
+    ol ul ul li::marker,
+    ol ol ul li::marker {
+      content: '⯀';
+      color: var(--color-text-primary);
+    }
+  }
+
+  ol {
+    counter-reset: ol-l1;
+    contain: style;
+    padding-left: var(--spacing-cozy);
+    list-style: none;
+
+    & > li {
+      counter-increment: ol-l1;
+      margin-left: 1.5em;
+      padding-left: var(--spacing-cozy);
+
+      &::marker {
+        content: counter(ol-l1, decimal-leading-zero) '.)';
+        color: var(--color-text-primary);
+      }
+    }
+  }
+
+  ol > li > ol {
+    counter-reset: ol-l2;
+    padding-left: var(--spacing-cozy);
+
+    & > li {
+      counter-increment: ol-l2;
+      margin-left: 0.825em;
+
+      &::marker {
+        content: counter(ol-l2, lower-alpha) '.)';
+        color: var(--color-text-primary);
+      }
+    }
+  }
+
+  ol > li > ul {
+    padding-left: var(--spacing-cozy);
+  }
+
+  ol > li > ol > li > ol,
+  ol > li > ul > li > ol {
+    counter-reset: ol-l3;
+    margin-left: 0;
+    padding-left: var(--spacing-cozy);
+
+    & > li {
+      counter-increment: ol-l3;
+
+      &::marker {
+        content: counter(ol-l3, upper-roman) '.)';
+        color: var(--color-text-primary);
+      }
+    }
+  }
+
+  ol > li > ol > li > ul,
+  ol > li > ul > li > ul {
+    padding-left: var(--spacing-cozy);
+  }
+
+  ol > li > ol > li > ol > li > ol,
+  ol > li > ol > li > ul > li > ol,
+  ol > li > ul > li > ol > li > ol,
+  ol > li > ul > li > ul > li > ol {
+    counter-reset: ol-l4;
+    margin-left: 0;
+    padding-left: var(--spacing-cozy);
+
+    & > li {
+      counter-increment: ol-l4;
+
+      &::marker {
+        content: counter(ol-l4, lower-greek) '.)';
+        color: var(--color-text-primary);
+      }
+    }
+  }
+
+  ol > li > ol > li > ol > li > ul,
+  ol > li > ol > li > ul > li > ul,
+  ol > li > ul > li > ol > li > ul,
+  ol > li > ul > li > ul > li > ul {
+    padding-left: var(--spacing-cozy);
+  }
+
+  ol li,
+  ul li {
+    list-style-position: outside;
+  }
+
+  .list-inside ol li,
+  .list-inside ul li {
+    list-style-position: inside;
+  }
+
+  /* === Tables === */
+
+  table {
+    border-collapse: collapse;
+
+    width: 100%;
+    margin-block: var(--spacing-tight) var(--spacing-tight);
+    border: var(--size-2) solid var(--color-text-primary);
+
+    font-size: var(--typo-size-md);
+    line-height: 1.2;
+
+    & thead th,
+    & th {
+      padding: 0 var(--spacing-snug) var(--spacing-snug);
+
+      font-family: var(--el-th-font-family), serif;
+      font-size: var(--typo-size-sm);
+      font-weight: 900;
+      line-height: 1.2;
+      color: var(--el-th-color);
+      text-transform: uppercase;
+
+      background: var(--el-th-background);
+    }
+
+    & tbody td,
+    & td {
+      padding: var(--spacing-snug);
+      border: var(--size-1) solid var(--color-text-secondary);
+
+      font-family: var(--el-td-font-family), monospace;
+      font-size: var(--typo-size-sm);
+      line-height: 1.2;
+      color: var(--el-td-color);
+      text-align: center;
+    }
+  }
+
+  /* === DL / DT / DD === */
+
+  dl {
+    margin-block: calc(1em * var(--typo-leading-normal) * var(--vspace-snug))
+      calc(1em * var(--typo-leading-normal) * var(--vspace-compressed));
+    font-size: var(--typo-size-md);
+    line-height: var(--typo-leading-normal);
+  }
+
+  dt {
+    margin-block: calc(1em * 1.4 * var(--vspace-snug))
+      calc(1em * 1.4 * var(--vspace-compressed));
+    padding: var(--spacing-snug);
+
+    font-family: var(--el-dt-font-family), serif;
+    font-size: var(--typo-size-lg);
+    font-weight: 700;
+    line-height: 1.4;
+    color: var(--el-dt-color);
+    text-transform: uppercase;
+    letter-spacing: 0.035em;
+
+    background: var(--el-dt-background);
+  }
+
+  dd {
+    margin-block: calc(
+        1em * var(--typo-leading-normal) * var(--vspace-compressed)
+      )
+      calc(1em * var(--typo-leading-normal) * var(--vspace-tight));
+    padding: 0 var(--spacing-comfortable);
+
+    font-family: var(--el-dd-font-family), sans-serif;
+    font-size: var(--typo-size-md);
+    line-height: var(--typo-leading-normal);
+    color: var(--el-dd-color);
+  }
+
+  /* === HR === */
+
+  hr {
+    position: relative;
+
+    overflow: visible;
+
+    height: var(--size-3);
+    margin-block: var(--spacing-relaxed) 0;
+    border: none;
+
+    background: var(--hr-color);
+
+    &::after {
+      content: '▼';
+
+      position: absolute;
+      top: 50%;
+      left: 50%;
+      transform: translate(-50%, -50%);
+
+      padding: 0 0.25em;
+
+      font-size: var(--typo-size-4xl);
+      line-height: var(--typo-leading-compressed);
+      color: var(--hr-symbol-color);
+
+      background: var(--hr-symbol-background);
+    }
+  }
+
+  /* === Inline Elements === */
+
+  em,
+  i {
+    font-style: italic;
+    letter-spacing: 0.025em;
+  }
+
+  strong,
+  b {
+    font-weight: 900;
+    letter-spacing: 0.025em;
+  }
+
+  a {
+    position: relative;
+
+    padding: 0.1em 0.2em;
+
+    font-weight: 600;
+    color: var(--color-text-primary);
+    text-decoration: underline;
+    text-decoration-thickness: var(--size-1);
+    text-underline-offset: 2px;
+
+    transition:
+      color 0.5s ease-in-out,
+      background 0.5s ease-in-out;
+
+    &:hover {
+      cursor: pointer;
+      color: var(--color-surface-base);
+      text-decoration: none;
+      background: var(--color-text-primary);
+    }
+
+    &:visited,
+    &:active {
+      color: var(--color-primary-emphasis);
+    }
+  }
+
+  small {
+    font-size: var(--typo-size-xs);
+    color: var(--color-text-tertiary);
+  }
+
+  sub,
+  sup {
+    font-size: 0.5625em;
+    font-weight: 600;
+    color: var(--color-text-secondary);
+  }
+
+  del,
+  s {
+    color: var(--color-text-tertiary);
+    text-decoration: line-through;
+    text-decoration-thickness: var(--size-1);
+  }
+
+  ins {
+    font-weight: 600;
+    color: var(--color-text-primary);
+    text-decoration: underline;
+    text-decoration-color: var(--color-primary);
+    text-decoration-thickness: var(--size-1);
+
+    background: transparent;
+  }
+
+  abbr {
+    cursor: help;
+    text-decoration: underline dotted;
+    text-underline-offset: var(--size-1);
+  }
+
+  dfn {
+    font-weight: 700;
+    font-style: normal;
+    color: var(--color-text-primary);
+  }
+
+  cite {
+    font-weight: 600;
+    font-style: normal;
+    color: var(--color-text-secondary);
+  }
+
+  q {
+    font-style: normal;
+
+    &::before {
+      content: '»';
+    }
+
+    &::after {
+      content: '«';
+    }
+  }
+
+  time {
+    font-family: var(--font-mono), monospace;
+    font-size: var(--typo-size-sm);
+    color: var(--color-text-secondary);
+  }
+
+  /* === Article Lead Paragraph === */
+
+  & article {
+    & > p:first-of-type {
+      font-size: var(--typo-size-xl);
+      font-weight: 700;
+      line-height: 1.4;
+      letter-spacing: 0.022em;
+
+      &::first-letter {
+        float: left;
+
+        margin: 0.1em 0.1em 0 0;
+        padding: 0;
+
+        font-family: var(--font-display), serif;
+        font-size: 4em;
+        font-weight: bold;
+        line-height: 1;
+        color: var(--color-primary);
+
+        @supports (initial-letter: 4) {
+          float: none;
+
+          margin: 0;
+          padding-right: var(--spacing-snug);
+
+          font-size: inherit;
+          line-height: inherit;
+
+          initial-letter: 3;
+        }
+      }
+    }
+  }
+}
diff --git a/src/styles/base/content.css b/src/styles/base/content.css
index 231cfce..b402005 100644
--- a/src/styles/base/content.css
+++ b/src/styles/base/content.css
@@ -1,46 +1,11 @@
 .content {
-  @mixin responsive-wrapper;
   font-family: var(--font-body);
-  /* === Headings === */
-  & h1 {
-    margin-block: var(--el-h1-vspace-top) var(--el-h1-vspace-bottom);
-    padding-bottom: var(--spacing-snug);
-    border-bottom: var(--size-4) solid var(--el-h1-color);
-
-    font-family: var(--el-h1-font-family), serif;
-    font-size: var(--el-h1-font-size);
-    font-weight: 400;
-    line-height: var(--typo-leading-tight);
-    color: var(--el-h1-color);
-    text-transform: uppercase;
-    letter-spacing: -0.0137em;
-
-    & + p,
-    & + ul,
-    & + ol,
-    & + blockquote {
-      margin-block: calc(1em * var(--typo-leading-normal) * var(--vspace-tight))
-        calc(1em * var(--typo-leading-normal) * var(--vspace-snug));
-    }
-
-    & + h2 {
-      margin-block: calc(1em * 1.125 * var(--vspace-snug))
-        calc(1em * 1.125 * var(--vspace-normal));
-    }
-  }
+  font-size: var(--typo-size-responsive);
 
   & h2 {
-    margin-block: var(--el-h2-vspace-top) var(--el-h2-vspace-bottom);
-    padding-left: var(--spacing-snug);
-    border-left: var(--size-4) solid var(--el-h2-color);
-
-    font-family: var(--el-h2-font-family), serif;
-    font-size: var(--el-h2-font-size);
-    font-weight: 900;
-    line-height: 1.1765;
-    color: var(--el-h2-color);
-    text-transform: uppercase;
-    letter-spacing: -0.0096em;
+    @mixin heading-2;
+    @mixin pl var(--spacing-snug);
+    @mixin border-l var(--size-4), solid, var(--el-h2-color);
 
     & + p,
     & + ul,
@@ -57,595 +22,47 @@
   }
 
   & h3 {
-    margin-block: var(--el-h3-vspace-top) var(--el-h3-vspace-bottom);
-    padding: var(--spacing-tight) var(--spacing-snug);
+    @mixin heading-3;
+    @mixin py var(--spacing-tight);
+    @mixin px var(--spacing-snug);
 
-    font-family: var(--el-h3-font-family), serif;
-    font-size: var(--el-h3-font-size);
-    font-weight: 800;
-    line-height: 1.2;
-    color: var(--color-surface-base);
-    text-transform: uppercase;
-    letter-spacing: -0.004em;
-
-    background: var(--el-h3-color);
+    color: var(--color-text-inverse);
+    background: var(--color-surface-inverse);
   }
 
   & h4 {
-    margin-block: var(--el-h4-vspace-top) var(--el-h4-vspace-bottom);
-    padding: var(--spacing-tight) var(--spacing-snug);
-    border-top: var(--size-3) solid var(--el-h4-color);
-    border-bottom: var(--size-3) solid var(--el-h4-color);
+    @mixin heading-4;
+    @mixin py var(--spacing-tight);
+    @mixin px var(--spacing-snug);
+    @mixin border-t var(--size-3), solid, var(--el-h4-color);
+    @mixin border-b var(--size-3), solid, var(--el-h4-color);
 
-    font-family: var(--el-h4-font-family), serif;
-    font-size: var(--el-h4-font-size);
-    font-weight: 800;
-    line-height: 1.125;
-    text-transform: uppercase;
-    letter-spacing: 0.0025em;
+    color: var(--el-h4-color);
   }
 
   & h5 {
-    margin-block: var(--el-h5-vspace-top) var(--el-h5-vspace-bottom);
-    padding: var(--spacing-tight) var(--spacing-snug);
+    @mixin heading-5;
+    @mixin py var(--spacing-tight);
+    @mixin px var(--spacing-snug);
 
-    font-family: var(--el-h5-font-family), serif;
-    font-size: var(--el-h5-font-size);
-    font-weight: 800;
-    line-height: 1.28;
     color: var(--el-h5-color);
-    text-transform: uppercase;
-    letter-spacing: 0.05em;
 
     &::before,
     &::after {
-      content: '';
-      padding-right: var(--spacing-tight);
-      line-height: 1;
-    }
+      @mixin pr var(--spacing-tight);
 
-    &::before {
-      content: '⭑';
-    }
-
-    &::after {
-      content: '';
-    }
-  }
-
-  & h6 {
-    margin-block: var(--el-h6-vspace-top) var(--el-h6-vspace-bottom);
-
-    font-family: var(--el-h6-font-family), serif;
-    font-size: var(--el-h6-font-size);
-    font-weight: 900;
-    line-height: 1.4;
-    color: var(--el-h6-color);
-    text-transform: uppercase;
-    letter-spacing: 0.035em;
-  }
-
-  & h3,
-  & h4,
-  & h5,
-  & h6 {
-    & + p,
-    & + ul,
-    & + ol,
-    & + blockquote {
-      margin-block: calc(
-          1em * var(--typo-leading-normal) * var(--vspace-compressed)
-        )
-        calc(1em * var(--typo-leading-normal) * var(--vspace-snug));
-    }
-  }
-
-  /* === Body Text === */
-
-  & p {
-    margin-block: var(--el-p-vspace-top) var(--el-p-vspace-bottom);
-
-    font-family: var(--el-p-font-family), sans-serif;
-    font-size: var(--el-p-font-size);
-    font-weight: 400;
-    line-height: var(--typo-leading-normal);
-    color: var(--el-p-color);
-    text-align: justify;
-  }
-
-  & blockquote {
-    margin-block: var(--el-p-vspace-top) var(--el-p-vspace-bottom);
-    padding: var(--spacing-snug) 0 var(--spacing-snug)
-      var(--spacing-comfortable);
-    border-left: var(--size-4) solid var(--color-text-tertiary);
-
-    font-family: var(--el-blockquote-font-family), serif;
-    font-size: var(--el-blockquote-font-size);
-    font-weight: 500;
-    font-style: normal;
-    line-height: var(--typo-leading-comfortable);
-    color: var(--el-blockquote-color);
-  }
-
-  /* === Code === */
-
-  pre {
-    margin-block: var(--el-pre-vspace-top) var(--el-pre-vspace-bottom);
-    padding: var(--spacing-comfortable);
-
-    font-family: var(--el-pre-font-family), monospace;
-    font-size: var(--el-pre-font-size);
-    line-height: 1.5385;
-    color: var(--el-pre-color);
-
-    background: var(--el-pre-background);
-  }
-
-  code {
-    padding: 0.1em 0.3em;
-
-    font-family: var(--font-mono), monospace;
-    font-size: var(--typo-size-sm);
-    color: var(--color-text-inverse);
-
-    background: var(--color-surface-inverse);
-  }
-
-  kbd {
-    padding: 0.1em 0.3em;
-    border: 1px solid var(--color-text-primary);
-    border-radius: 2px;
-
-    font-family: var(--font-mono), monospace;
-    font-size: var(--typo-size-xs);
-    color: var(--color-text-inverse);
-    text-transform: uppercase;
-
-    background: var(--color-surface-inverse);
-  }
-
-  samp {
-    padding: 0.1em 0.3em;
-    border-left: var(--size-1) solid var(--color-text-tertiary);
-
-    font-family: var(--font-mono), monospace;
-    font-size: var(--typo-size-sm);
-    color: var(--color-text-primary);
-
-    background: var(--color-surface-elevated-2);
-  }
-
-  var {
-    font-family: var(--font-mono), monospace;
-    font-weight: 600;
-    font-style: normal;
-    color: var(--color-text-secondary);
-  }
-
-  /* === Lists === */
-
-  ul,
-  ol {
-    margin-block: var(--el-list-vspace-top) var(--el-list-vspace-bottom);
-    font-size: var(--el-list-font-size);
-    line-height: var(--typo-leading-normal);
-    color: var(--el-list-color);
-  }
-
-  ul ul,
-  ul ol,
-  ol ul,
-  ol ol {
-    margin-block: var(--el-list-nested-vspace-top)
-      var(--el-list-nested-vspace-bottom);
-  }
-
-  li {
-    margin-block: var(--el-li-vspace-top) var(--el-li-vspace-bottom);
-
-    li {
-      margin-block: var(--el-li-nested-vspace-top)
-        var(--el-li-nested-vspace-bottom);
-    }
-  }
-
-  ul {
-    padding-left: var(--spacing-cozy);
-    list-style: none;
-
-    li {
-      padding-left: var(--spacing-cozy);
-
-      &::marker {
-        content: '⎊';
-        color: var(--color-text-primary);
-      }
-    }
-
-    ul,
-    ol {
-      padding-left: var(--spacing-cozy);
-    }
-
-    ul li::marker {
-      content: '⋊';
-      color: var(--color-text-primary);
-    }
-
-    ul ul,
-    ul ol,
-    ol ul,
-    ol ol {
-      padding-left: var(--spacing-cozy);
-    }
-
-    ul ul li::marker,
-    ol ul li::marker {
-      content: '◆';
-      color: var(--color-text-primary);
-    }
-
-    ul ul ul,
-    ul ul ol,
-    ul ol ul,
-    ul ol ol,
-    ol ul ul,
-    ol ul ol,
-    ol ol ul,
-    ol ol ol {
-      padding-left: var(--spacing-cozy);
-    }
-
-    ul ul ul li::marker,
-    ul ol ul li::marker,
-    ol ul ul li::marker,
-    ol ol ul li::marker {
-      content: '⯀';
-      color: var(--color-text-primary);
-    }
-  }
-
-  ol {
-    counter-reset: ol-l1;
-    contain: style;
-    padding-left: var(--spacing-cozy);
-    list-style: none;
-
-    & > li {
-      counter-increment: ol-l1;
-      margin-left: 1.5em;
-      padding-left: var(--spacing-cozy);
-
-      &::marker {
-        content: counter(ol-l1, decimal-leading-zero) '.)';
-        color: var(--color-text-primary);
-      }
-    }
-  }
-
-  ol > li > ol {
-    counter-reset: ol-l2;
-    padding-left: var(--spacing-cozy);
-
-    & > li {
-      counter-increment: ol-l2;
-      margin-left: 0.825em;
-
-      &::marker {
-        content: counter(ol-l2, lower-alpha) '.)';
-        color: var(--color-text-primary);
-      }
-    }
-  }
-
-  ol > li > ul {
-    padding-left: var(--spacing-cozy);
-  }
-
-  ol > li > ol > li > ol,
-  ol > li > ul > li > ol {
-    counter-reset: ol-l3;
-    margin-left: 0;
-    padding-left: var(--spacing-cozy);
-
-    & > li {
-      counter-increment: ol-l3;
-
-      &::marker {
-        content: counter(ol-l3, upper-roman) '.)';
-        color: var(--color-text-primary);
-      }
-    }
-  }
-
-  ol > li > ol > li > ul,
-  ol > li > ul > li > ul {
-    padding-left: var(--spacing-cozy);
-  }
-
-  ol > li > ol > li > ol > li > ol,
-  ol > li > ol > li > ul > li > ol,
-  ol > li > ul > li > ol > li > ol,
-  ol > li > ul > li > ul > li > ol {
-    counter-reset: ol-l4;
-    margin-left: 0;
-    padding-left: var(--spacing-cozy);
-
-    & > li {
-      counter-increment: ol-l4;
-
-      &::marker {
-        content: counter(ol-l4, lower-greek) '.)';
-        color: var(--color-text-primary);
-      }
-    }
-  }
-
-  ol > li > ol > li > ol > li > ul,
-  ol > li > ol > li > ul > li > ul,
-  ol > li > ul > li > ol > li > ul,
-  ol > li > ul > li > ul > li > ul {
-    padding-left: var(--spacing-cozy);
-  }
-
-  ol li,
-  ul li {
-    list-style-position: outside;
-  }
-
-  .list-inside ol li,
-  .list-inside ul li {
-    list-style-position: inside;
-  }
-
-  /* === Tables === */
-
-  table {
-    border-collapse: collapse;
-
-    width: 100%;
-    margin-block: var(--spacing-tight) var(--spacing-tight);
-    border: var(--size-2) solid var(--color-text-primary);
-
-    font-size: var(--typo-size-md);
-    line-height: 1.2;
-
-    & thead th,
-    & th {
-      padding: 0 var(--spacing-snug) var(--spacing-snug);
-
-      font-family: var(--el-th-font-family), serif;
-      font-size: var(--typo-size-sm);
-      font-weight: 900;
-      line-height: 1.2;
-      color: var(--el-th-color);
-      text-transform: uppercase;
-
-      background: var(--el-th-background);
-    }
-
-    & tbody td,
-    & td {
-      padding: var(--spacing-snug);
-      border: var(--size-1) solid var(--color-text-secondary);
-
-      font-family: var(--el-td-font-family), monospace;
-      font-size: var(--typo-size-sm);
-      line-height: 1.2;
-      color: var(--el-td-color);
-      text-align: center;
-    }
-  }
-
-  /* === DL / DT / DD === */
-
-  dl {
-    margin-block: calc(1em * var(--typo-leading-normal) * var(--vspace-snug))
-      calc(1em * var(--typo-leading-normal) * var(--vspace-compressed));
-    font-size: var(--typo-size-md);
-    line-height: var(--typo-leading-normal);
-  }
-
-  dt {
-    margin-block: calc(1em * 1.4 * var(--vspace-snug))
-      calc(1em * 1.4 * var(--vspace-compressed));
-    padding: var(--spacing-snug);
-
-    font-family: var(--el-dt-font-family), serif;
-    font-size: var(--typo-size-lg);
-    font-weight: 700;
-    line-height: 1.4;
-    color: var(--el-dt-color);
-    text-transform: uppercase;
-    letter-spacing: 0.035em;
-
-    background: var(--el-dt-background);
-  }
-
-  dd {
-    margin-block: calc(
-        1em * var(--typo-leading-normal) * var(--vspace-compressed)
-      )
-      calc(1em * var(--typo-leading-normal) * var(--vspace-tight));
-    padding: 0 var(--spacing-comfortable);
-
-    font-family: var(--el-dd-font-family), sans-serif;
-    font-size: var(--typo-size-md);
-    line-height: var(--typo-leading-normal);
-    color: var(--el-dd-color);
-  }
-
-  /* === HR === */
-
-  hr {
-    position: relative;
-
-    overflow: visible;
-
-    height: var(--size-3);
-    margin-block: var(--spacing-relaxed) 0;
-    border: none;
-
-    background: var(--hr-color);
-
-    &::after {
-      content: '▼';
-
-      position: absolute;
-      top: 50%;
-      left: 50%;
-      transform: translate(-50%, -50%);
-
-      padding: 0 0.25em;
-
-      font-size: var(--typo-size-4xl);
+      content: "";
       line-height: var(--typo-leading-compressed);
-      color: var(--hr-symbol-color);
-
-      background: var(--hr-symbol-background);
     }
-  }
-
-  /* === Inline Elements === */
-
-  em,
-  i {
-    font-style: italic;
-    letter-spacing: 0.025em;
-  }
-
-  strong,
-  b {
-    font-weight: 900;
-    letter-spacing: 0.025em;
-  }
-
-  a {
-    position: relative;
-
-    padding: 0.1em 0.2em;
-
-    font-weight: 600;
-    color: var(--color-text-primary);
-    text-decoration: underline;
-    text-decoration-thickness: var(--size-1);
-    text-underline-offset: 2px;
-
-    transition:
-      color 0.5s ease-in-out,
-      background 0.5s ease-in-out;
-
-    &:hover {
-      cursor: pointer;
-      color: var(--color-surface-base);
-      text-decoration: none;
-      background: var(--color-text-primary);
-    }
-
-    &:visited,
-    &:active {
-      color: var(--color-primary-emphasis);
-    }
-  }
-
-  small {
-    font-size: var(--typo-size-xs);
-    color: var(--color-text-tertiary);
-  }
-
-  sub,
-  sup {
-    font-size: 0.5625em;
-    font-weight: 600;
-    color: var(--color-text-secondary);
-  }
-
-  del,
-  s {
-    color: var(--color-text-tertiary);
-    text-decoration: line-through;
-    text-decoration-thickness: var(--size-1);
-  }
-
-  ins {
-    font-weight: 600;
-    color: var(--color-text-primary);
-    text-decoration: underline;
-    text-decoration-color: var(--color-primary);
-    text-decoration-thickness: var(--size-1);
-
-    background: transparent;
-  }
-
-  abbr {
-    cursor: help;
-    text-decoration: underline dotted;
-    text-underline-offset: var(--size-1);
-  }
-
-  dfn {
-    font-weight: 700;
-    font-style: normal;
-    color: var(--color-text-primary);
-  }
-
-  cite {
-    font-weight: 600;
-    font-style: normal;
-    color: var(--color-text-secondary);
-  }
-
-  q {
-    font-style: normal;
 
     &::before {
-      content: '»';
-    }
-
-    &::after {
-      content: '«';
+      content: '▼';
     }
   }
 
-  time {
-    font-family: var(--font-mono), monospace;
-    font-size: var(--typo-size-sm);
-    color: var(--color-text-secondary);
-  }
+  & h6 {
+    @mixin heading-6;
 
-  /* === Article Lead Paragraph === */
-
-  & article {
-    & > p:first-of-type {
-      font-size: var(--typo-size-xl);
-      font-weight: 700;
-      line-height: 1.4;
-      letter-spacing: 0.022em;
-
-      &::first-letter {
-        float: left;
-
-        margin: 0.1em 0.1em 0 0;
-        padding: 0;
-
-        font-family: var(--font-display), serif;
-        font-size: 4em;
-        font-weight: bold;
-        line-height: 1;
-        color: var(--color-primary);
-
-        @supports (initial-letter: 4) {
-          float: none;
-
-          margin: 0;
-          padding-right: var(--spacing-snug);
-
-          font-size: inherit;
-          line-height: inherit;
-
-          initial-letter: 3;
-        }
-      }
-    }
+    color: var(--el-h6-color);
   }
 }
diff --git a/src/styles/base/dimensions.css b/src/styles/base/dimensions.css
index 0e135f5..3c73bb5 100644
--- a/src/styles/base/dimensions.css
+++ b/src/styles/base/dimensions.css
@@ -91,9 +91,5 @@
     --spacing-generous: var(--size-16);
     --spacing-luxurious: var(--size-24);
     --spacing-expansive: var(--size-32);
-
-    /* == Responsive Content Dimensions */
-    --layout-max-width: 90rem;
-    --content-max-width: 75ch;
   }
 }
diff --git a/src/styles/base/elements.css b/src/styles/base/elements.css
index 76be2b9..05dbc4f 100644
--- a/src/styles/base/elements.css
+++ b/src/styles/base/elements.css
@@ -4,43 +4,49 @@
   --el-h1-color: var(--color-text-primary);
   --el-h1-font-family: var(--font-display);
   --el-h1-font-size: var(--typo-size-7xl);
+  --el-h1-leading: 1.125;
   --el-h2-color: var(--color-text-primary);
   --el-h2-font-family: var(--font-header);
   --el-h2-font-size: var(--typo-size-5xl);
+  --el-h2-leading: 1.1765;
   --el-h3-color: var(--color-text-secondary);
   --el-h3-font-family: var(--font-header);
   --el-h3-font-size: var(--typo-size-4xl);
+  --el-h3-leading: 1.2;
   --el-h4-color: var(--color-text-secondary);
   --el-h4-font-family: var(--font-header);
   --el-h4-font-size: var(--typo-size-3xl);
+  --el-h4-leading: 1.125;
   --el-h5-color: var(--color-text-secondary);
   --el-h5-font-family: var(--font-header);
   --el-h5-font-size: var(--typo-size-2xl);
+  --el-h5-leading: 1.28;
   --el-h6-color: var(--color-text-secondary);
   --el-h6-font-family: var(--font-header);
   --el-h6-font-size: var(--typo-size-xl);
+  --el-h6-leading: 1.4;
 
   /* === Heading Vertical Spacing === */
-  --el-h1-vspace-base: calc(1em * 1.125);
+  --el-h1-vspace-base: calc(1em * var(--el-h1-leading));
   --el-h1-vspace-top: calc(var(--el-h1-vspace-base) * var(--vspace-snug));
   --el-h1-vspace-bottom: calc(
     var(--el-h1-vspace-base) * var(--vspace-compressed)
   );
-  --el-h2-vspace-base: calc(1em * 1.1765);
+  --el-h2-vspace-base: calc(1em * var(--el-h2-leading));
   --el-h2-vspace-top: calc(var(--el-h2-vspace-base) * var(--vspace-snug));
   --el-h2-vspace-bottom: calc(
     var(--el-h2-vspace-base) * var(--vspace-compressed)
   );
-  --el-h3-vspace-base: calc(1em * 1.2);
+  --el-h3-vspace-base: calc(1em * var(--el-h3-leading));
   --el-h3-vspace-top: calc(var(--el-h3-vspace-base) * var(--vspace-cozy));
   --el-h3-vspace-bottom: calc(var(--el-h3-vspace-base) * var(--vspace-snug));
-  --el-h4-vspace-base: calc(1em * 1.125);
+  --el-h4-vspace-base: calc(1em * var(--el-h4-leading));
   --el-h4-vspace-top: calc(var(--el-h4-vspace-base) * var(--vspace-normal));
   --el-h4-vspace-bottom: calc(var(--el-h4-vspace-base) * var(--vspace-tight));
-  --el-h5-vspace-base: calc(1em * 1.28);
+  --el-h5-vspace-base: calc(1em * var(--el-h5-leading));
   --el-h5-vspace-top: calc(var(--el-h5-vspace-base) * var(--vspace-cozy));
   --el-h5-vspace-bottom: calc(var(--el-h5-vspace-base) * var(--vspace-tight));
-  --el-h6-vspace-base: calc(1em * 1.4);
+  --el-h6-vspace-base: calc(1em * var(--el-h6-leading));
   --el-h6-vspace-top: calc(var(--el-h6-vspace-base) * var(--vspace-snug));
   --el-h6-vspace-bottom: calc(
     var(--el-h6-vspace-base) * var(--vspace-compressed)
@@ -119,18 +125,3 @@
   --hr-symbol-color: var(--color-text-tertiary);
   --hr-symbol-background: var(--color-surface-base);
 }
-
-.responsivewrapper {
-  max-width: clamp(60ch, 90vw, 90ch);
-  margin-inline: auto;
-  padding: 0 var(--spacing-cozy);
-}
-
-.layoutwrapper {
-  width: 100%;
-  margin-inline: auto;
-
-  @media screen and (--max-layout) {
-    padding-inline: var(--spacing-comfortable);
-  }
-}
diff --git a/src/styles/base/ui.css b/src/styles/base/ui.css
index aeac701..00ca7fe 100644
--- a/src/styles/base/ui.css
+++ b/src/styles/base/ui.css
@@ -25,11 +25,16 @@
   --ui-typo-size-5xl: 2rem;
 
   /* === MastHead === */
-  --el-masthead-font-size: var(--ui-font-size-xl);
-  --el-masthead-line-height: var(--typo-leading-snug);
-  --el-masthead-paddingY: var(--ui-spacing-relaxed);
-  --el-masthead-height: calc(
-    (var(--el-masthead-font-size) * var(--el-masthead-line-height)) +
-      (var(--el-masthead-paddingY) * 2)
+  --ui-masthead-font-size: var(--ui-font-size-xl);
+  --ui-masthead-line-height: var(--typo-leading-snug);
+  --ui-masthead-paddingY: var(--ui-spacing-relaxed);
+  --ui-masthead-height: calc(
+    (var(--ui-masthead-font-size) * var(--ui-masthead-line-height)) +
+    (var(--ui-masthead-paddingY) * 2)
   );
+
+  /* === Content/Marginalia === */
+  --ui-content-width: minmax(0, 72ch);
+  --ui-margin-width: minmax(18ch, 1fr);
+  --ui-layout-width: 90rem;
 }
diff --git a/src/styles/mixins/containers.css b/src/styles/mixins/containers.css
index e53fa02..d529d52 100644
--- a/src/styles/mixins/containers.css
+++ b/src/styles/mixins/containers.css
@@ -11,8 +11,9 @@
 @define-mixin layout-wrapper {
   @mixin mx auto;
   @mixin px var(--spacing-comfortable);
+
   width: 100%;
-  max-width: var(--layout-max-width);
+  max-width: var(--ui-layout-width);
 
   @media screen and (--max-layout) {
     @mixin px var(--spacing-comfortable);
diff --git a/src/styles/mixins/typography.css b/src/styles/mixins/typography.css
new file mode 100644
index 0000000..72fc5be
--- /dev/null
+++ b/src/styles/mixins/typography.css
@@ -0,0 +1,73 @@
+@define-mixin heading-1 {
+  @mixin mt var(--el-h1-vspace-top);
+  @mixin mb var(--el-h1-vspace-bottom);
+  @mixin pb var(--spacing-snug);
+
+  font-family: var(--el-h1-font-family);
+  font-size: var(--el-h1-font-size);
+  font-weight: 400;
+  line-height: var(--el-h1-leading);
+  color: var(--el-h1-color);
+  text-transform: uppercase;
+  letter-spacing: -0.0137em;
+}
+
+@define-mixin heading-2 {
+  @mixin mt var(--el-h2-vspace-top);
+  @mixin mb var(--el-h2-vspace-bottom);
+
+  font-family: var(--el-h2-font-family);
+  font-size: var(--el-h2-font-size);
+  font-weight: 900;
+  line-height: var(--el-h2-leading);
+  text-transform: uppercase;
+  letter-spacing: -0.0096em;
+}
+
+@define-mixin heading-3 {
+  @mixin mt var(--el-h3-vspace-top);
+  @mixin mb var(--el-h3-vspace-bottom);
+
+  font-family: var(--el-h3-font-family);
+  font-size: var(--el-h3-font-size);
+  font-weight: 800;
+  line-height: var(--el-h3-leading);
+  text-transform: uppercase;
+  letter-spacing: -0.004em;
+}
+
+@define-mixin heading-4 {
+  @mixin mt var(--el-h4-vspace-top);
+  @mixin mb var(--el-h4-vspace-bottom);
+
+  font-family: var(--el-h4-font-family);
+  font-size: var(--el-h4-font-size);
+  font-weight: 800;
+  line-height: var(--el-h4-leading);
+  text-transform: uppercase;
+  letter-spacing: 0.0025em;
+}
+
+@define-mixin heading-5 {
+  @mixin mt var(--el-h5-vspace-top);
+  @mixin mb var(--el-h5-vspace-bottom);
+
+  font-family: var(--el-h5-font-family);
+  font-size: var(--el-h5-font-size);
+  font-weight: 800;
+  line-height: var(--el-h5-leading);
+  text-transform: uppercase;
+  letter-spacing: 0.05em;
+}
+
+@define-mixin heading-6 {
+  @mixin mt var(--el-h6-vspace-top);
+  @mixin mb var(--el-h6-vspace-bottom);
+
+  font-family: var(--el-h6-font-family);
+  font-size: var(--el-h6-font-size);
+  font-weight: 900;
+  line-height: var(--el-h6-leading);
+  text-transform: uppercase;
+  letter-spacing: 0.035em;
+}