diff --git a/.gitignore b/.gitignore
index 361392e..a87f413 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,3 +9,4 @@
 docs/
 python-client/
 inst/doc
+.albersdown.bak/
diff --git a/DESCRIPTION b/DESCRIPTION
index a3fd8c1..ac0e03a 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -39,4 +39,5 @@ Suggests:
 VignetteBuilder: knitr
 Config/testthat/edition: 3
 RoxygenNote: 7.3.3
-Config/Needs/website: albersdown
+Config/Needs/website:
+    bbuchsbaum/albersdown
diff --git a/pkgdown/extra.css b/pkgdown/extra.css
deleted file mode 100644
index bc2a432..0000000
--- a/pkgdown/extra.css
+++ /dev/null
@@ -1,1190 +0,0 @@
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-.hljs-number,
-.hljs-literal {
-  color: color-mix(in srgb, var(--A300) 64%, var(--ink));
-}
-
-/* -- Tables -------------------------------------------------------------- */
-table {
-  width: 100%;
-  border-collapse: collapse;
-  font-variant-numeric: tabular-nums;
-  border: var(--rule-thin) solid var(--border);
-}
-
-th,
-td {
-  border-bottom: var(--rule-thin) solid var(--border);
-  padding: 10px 9px;
-}
-
-th + th,
-td + td {
-  border-left: var(--rule-thin) solid color-mix(in srgb, var(--border) var(--table-divider-alpha), transparent);
-}
-
-thead th {
-  background: var(--surface-strong);
-  border-bottom: var(--rule-strong) solid var(--A500);
-  font-weight: 700;
-  text-transform: uppercase;
-  font-size: 0.84em;
-  letter-spacing: 0.06em;
-  text-align: left;
-}
-
-tbody tr:nth-child(odd) {
-  background: var(--accent-tint);
-}
-
-tbody tr:hover {
-  background: color-mix(in srgb, var(--accent-band) var(--table-hover-alpha), transparent);
-}
-
-caption {
-  caption-side: bottom;
-  color: var(--muted);
-  padding-top: 0.7rem;
-  font-size: 0.94em;
-}
-
-/* -- Figures ------------------------------------------------------------- */
-figure {
-  margin-block: 1.2rem 1.6rem;
-  padding: 0.78rem 0.82rem;
-  border: var(--rule-thin) solid var(--border);
-  background: var(--surface);
-}
-
-figure::before {
-  content: "";
-  display: block;
-  height: var(--rule-strong);
-  width: clamp(64px, 18%, 160px);
-  background: var(--A500);
-  opacity: 0.58;
-  margin-bottom: 0.68rem;
-}
-
-figcaption {
-  margin-top: 0.58rem;
-  font-size: 0.82rem;
-  text-transform: uppercase;
-  letter-spacing: 0.052em;
-  color: var(--muted);
-}
-
-/* -- Callouts ------------------------------------------------------------ */
-blockquote,
-.callout {
-  border-left: var(--rule-strong) solid var(--A500);
-  border-top: var(--rule-thin) solid var(--border);
-  background: var(--accent-band);
-  padding: 16px 22px;
-  margin-block: 1.45rem;
-}
-
-blockquote p { margin: 0; }
-
-.callout-note {
-  border-left-color: var(--A500);
-  background: var(--accent-band);
-}
-
-.callout-insight {
-  border-left-color: var(--A700);
-  background: var(--accent-tint);
-}
-
-.callout-warning {
-  border-left-color: #b48900;
-  background: rgba(180, 137, 0, 0.12);
-}
-
-.callout-experiment {
-  border-left-color: color-mix(in srgb, var(--A500) 60%, var(--A900));
-  background:
-    linear-gradient(90deg, color-mix(in srgb, var(--A300) 22%, transparent) 0 2px, transparent 2px),
-    color-mix(in srgb, var(--accent-band) 75%, var(--surface));
-}
-
-/* -- Anchors ------------------------------------------------------------- */
-h2:hover .anchor,
-h3:hover .anchor,
-h2:focus-within .anchor,
-h3:focus-within .anchor {
-  opacity: 1;
-  transform: translateY(-50%) translateX(0);
-}
-
-.anchor {
-  opacity: 0;
-  position: absolute;
-  right: 0;
-  top: 50%;
-  transform: translateY(-50%) translateX(0.2em);
-  text-decoration: none;
-  color: var(--A500);
-  line-height: 1;
-  font-weight: 700;
-  letter-spacing: 0.04em;
-  transition: opacity 0.15s ease-in-out, transform 0.15s ease-in-out;
-}
-
-/* -- Homage hero & structural elements ----------------------------------- */
-.homage-hero {
-  aspect-ratio: 8 / 3;
-  min-height: clamp(72px, 14vw, 168px);
-  margin-block: 1.5rem;
-  border: 0;
-  border-radius: 0;
-  box-shadow: none;
-  background:
-    linear-gradient(90deg, var(--A900) 0 25%, transparent 25% 100%),
-    linear-gradient(90deg, transparent 0 25%, var(--A700) 25% 50%, transparent 50% 100%),
-    linear-gradient(90deg, transparent 0 50%, var(--A500) 50% 75%, transparent 75% 100%),
-    linear-gradient(90deg, transparent 0 75%, var(--A300) 75% 100%),
-    var(--surface);
-}
-
-.homage-hero--letterbox {
-  aspect-ratio: 12 / 1;
-  margin-block: 1rem 0.55rem;
-}
-
-/* -- Interaction plate motif ---------------------------------------------- */
-.albers-plate {
-  position: relative;
-  width: min(100%, 560px);
-  aspect-ratio: 1 / 1;
-  margin: calc(var(--module) * 7) 0 calc(var(--module) * 8);
-  border: var(--rule-thin) solid var(--border);
-  background: var(--surface);
-  overflow: hidden;
-}
-
-.albers-plate__outer,
-.albers-plate__inner,
-.albers-plate__core {
-  position: absolute;
-  box-sizing: border-box;
-}
-
-.albers-plate__outer {
-  width: 72%;
-  aspect-ratio: 1 / 1;
-  left: 50%;
-  top: 50%;
-  transform: translate(-50%, -50%);
-  background: var(--A300);
-}
-
-.albers-plate__inner {
-  width: 50%;
-  aspect-ratio: 1 / 1;
-  left: 50%;
-  top: 50%;
-  transform: translate(-50%, -50%);
-  background: var(--A700);
-}
-
-.albers-plate__core {
-  width: 28%;
-  aspect-ratio: 1 / 1;
-  left: 50%;
-  top: 50%;
-  transform: translate(-50%, -50%);
-  background: var(--A900);
-}
-
-.albers-composition {
-  position: relative;
-  width: 100%;
-  aspect-ratio: 16 / 5;
-  min-height: clamp(96px, 18vw, 214px);
-  background: var(--surface);
-  border: var(--rule-thin) solid var(--border);
-  margin-block: 1.2rem 1.5rem;
-  overflow: hidden;
-}
-
-.albers-composition svg {
-  width: 100%;
-  height: 100%;
-  display: block;
-}
-
-.albers-composition--dense {
-  min-height: clamp(120px, 23vw, 270px);
-}
-
-.hr-notch {
-  height: 0;
-  border-top: var(--rule-thin) solid var(--border);
-  border-bottom: var(--rule-thin) solid var(--A500);
-  margin: 1.5rem 0;
-  opacity: var(--hr-opacity);
-}
-
-.overview ul {
-  list-style: none;
-  margin: 0;
-  padding-left: 0;
-}
-
-.overview li {
-  position: relative;
-  padding-left: 1.1em;
-  margin-bottom: var(--space-2);
-}
-
-.overview li::before {
-  content: "—";
-  position: absolute;
-  left: 0;
-  top: 0.02em;
-  color: var(--A500);
-  font-weight: var(--overview-dash-weight);
-  opacity: var(--overview-dash-opacity);
-}
-
-/* -- Theme Lab ----------------------------------------------------------- */
-.theme-lab {
-  display: grid;
-  gap: var(--space-4);
-}
-
-.theme-lab__panel {
-  border: var(--rule-thin) solid var(--border);
-  background: var(--surface-strong);
-  padding: var(--space-4);
-}
-
-.theme-lab__controls {
-  display: grid;
-  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
-  gap: var(--space-3);
-}
-
-.theme-lab label {
-  display: block;
-  font-size: 0.78rem;
-  text-transform: uppercase;
-  letter-spacing: 0.06em;
-  color: var(--muted);
-  margin-bottom: var(--space-1);
-}
-
-.theme-lab select,
-.theme-lab input {
-  width: 100%;
-  border: var(--rule-thin) solid var(--border);
-  background: var(--surface);
-  color: var(--ink);
-  padding: 0.46rem 0.5rem;
-}
-
-.theme-lab__preview {
-  border: var(--rule-thin) solid var(--border);
-  background: var(--surface);
-  padding: var(--space-4);
-}
-
-.theme-lab__chips {
-  display: flex;
-  flex-wrap: wrap;
-  gap: 0.4rem;
-}
-
-.albers-chip {
-  border: var(--rule-thin) solid var(--border);
-  background: var(--surface-strong);
-  color: var(--ink);
-  padding: 0.2rem 0.44rem;
-  font-size: 0.74rem;
-  text-transform: uppercase;
-  letter-spacing: 0.05em;
-}
-
-body.preset-midnight #toc > .nav a.nav-link {
-  color: color-mix(in srgb, var(--ink) 84%, var(--A300));
-}
-
-body.preset-midnight #toc > .nav a.nav-link:hover,
-body.preset-midnight #toc > .nav a.nav-link:focus {
-  background-color: color-mix(in srgb, var(--A300) 24%, transparent);
-}
-
-body.preset-midnight #toc > .nav a.nav-link.active {
-  color: var(--accent-ink);
-  background-color: color-mix(in srgb, var(--A300) 30%, var(--surface));
-}
-
-/* Bootstrap inverts `img.r-plt` in dark mode; disable it for true midnight renders. */
-body.preset-midnight img.r-plt,
-body.preset-midnight pre .r-plt.img img,
-body.preset-midnight .cell-output-display img,
-body.preset-midnight .html-widget {
-  filter: none !important;
-}
-
-/* -- Responsive ---------------------------------------------------------- */
-@media (max-width: 920px) {
-  html,
-  body { font-size: 16.8px; }
-
-  :root { --anchor-offset: 64px; }
-
-  h2,
-  h3 {
-    padding-left: 0.62em;
-    padding-right: 1.2em;
-  }
-
-  .page-content,
-  .article,
-  .reference,
-  .template-home {
-    box-shadow: none;
-    border-left: none;
-    border-right: none;
-  }
-
-  .page-content::before,
-  .article::before,
-  .reference::before,
-  .template-home::before {
-    display: none;
-  }
-
-  button.copy-code {
-    font-size: 10px;
-    letter-spacing: 0.05em;
-  }
-}
-
-@media (max-width: 760px) {
-  :root {
-    --anchor-offset: 58px;
-    --content: 74ch;
-  }
-
-  main,
-  .content,
-  .page-content,
-  .vignette,
-  .contents {
-    padding-inline: 14px;
-  }
-
-  .navbar .navbar-brand,
-  .navbar .nav-link {
-    font-size: 0.78em;
-    letter-spacing: 0.035em;
-  }
-
-  h1 { font-size: clamp(1.72rem, 7.2vw, 2.02rem); }
-  h2 {
-    font-size: clamp(1.16rem, 5.2vw, 1.35rem);
-    letter-spacing: 0.045em;
-  }
-  h3 { font-size: clamp(1rem, 4.3vw, 1.14rem); }
-
-  pre {
-    padding: var(--space-5) var(--space-3);
-    font-size: 0.91em;
-  }
-
-  button.copy-code {
-    min-height: 30px;
-    padding: 6px 10px;
-  }
-
-  table {
-    display: block;
-    overflow-x: auto;
-    white-space: nowrap;
-    -webkit-overflow-scrolling: touch;
-  }
-}
-
-@media (max-width: 520px) {
-  :root { --anchor-offset: 54px; }
-
-  main,
-  .content,
-  .page-content,
-  .vignette,
-  .contents {
-    padding-inline: 12px;
-  }
-
-  .navbar { border-top-width: 2px; }
-
-  .navbar .navbar-brand,
-  .navbar .nav-link {
-    font-size: 0.74em;
-    letter-spacing: 0.03em;
-  }
-
-  h2,
-  h3 {
-    padding-right: 1em;
-  }
-
-  .anchor { right: -0.08em; }
-
-  pre {
-    border-left-width: 2px;
-    padding: var(--space-4) var(--space-3);
-  }
-
-  button.copy-code {
-    top: 6px;
-    right: 6px;
-    min-height: 28px;
-    padding: 5px 8px;
-    font-size: 9px;
-  }
-}
-
-@media (prefers-contrast: more) {
-  :root {
-    --border: #9aa1ad;
-    --muted: #4f5661;
-    --accent-tint: rgba(228, 73, 38, 0.18);
-    --accent-band: rgba(228, 73, 38, 0.24);
-    --rule-strong: 3px;
-  }
-
-  a { text-decoration-thickness: 0.12em; }
-
-  pre,
-  table,
-  blockquote,
-  .callout {
-    border-width: 2px;
-  }
-
-  .navbar .nav-link.active::after,
-  .navbar .active > a::after { color: var(--A700); }
-}
-
-@media (prefers-reduced-motion: reduce) {
-  *,
-  *::before,
-  *::after {
-    animation-duration: 0.01ms !important;
-    animation-iteration-count: 1 !important;
-    transition-duration: 0.01ms !important;
-    scroll-behavior: auto !important;
-  }
-}
-
-@media print {
-  body { background: #fff !important; }
-
-  .navbar,
-  .sidebar,
-  .toc,
-  .page-header,
-  .homage-hero,
-  .hr-notch,
-  button.copy-code,
-  .anchor { display: none !important; }
-
-  .page-content,
-  .article,
-  .reference,
-  .template-home {
-    border: none;
-    box-shadow: none;
-    background: #fff;
-  }
-
-  .page-content::before,
-  .article::before,
-  .reference::before,
-  .template-home::before {
-    display: none;
-  }
-
-  pre { page-break-inside: avoid; }
-
-  a {
-    color: inherit !important;
-    text-decoration: none;
-  }
-}
diff --git a/pkgdown/extra.js b/pkgdown/extra.js
index 5df455c..1d0dc53 100644
--- a/pkgdown/extra.js
+++ b/pkgdown/extra.js
@@ -1,308 +1 @@
-(function () {
-  var FAMILY_CLASSES = ["red", "lapis", "ochre", "teal", "green", "violet"];
-  var PRESET_CLASSES = ["study", "structural", "adobe", "midnight"];
-  var STYLE_CLASSES = ["minimal", "assertive"];
-
-  function classes(prefix, values) {
-    return values.map(function (v) { return prefix + v; });
-  }
-
-  function applySingleClass(el, prefix, value, values) {
-    classes(prefix, values).forEach(function (c) { el.classList.remove(c); });
-    if (value) el.classList.add(prefix + value);
-  }
-
-  function inferBootstrapTheme() {
-    if (!document.body) return "light";
-    return document.body.classList.contains("preset-midnight") ? "dark" : "light";
-  }
-
-  function syncBootstrapTheme() {
-    var theme = inferBootstrapTheme();
-    document.documentElement.setAttribute("data-bs-theme", theme);
-    document.body.setAttribute("data-bs-theme", theme);
-    var nav = document.querySelector("nav.navbar");
-    if (nav) nav.setAttribute("data-bs-theme", theme);
-  }
-
-  function hashSeed(seed) {
-    var h = 2166136261;
-    for (var i = 0; i < seed.length; i++) {
-      h ^= seed.charCodeAt(i);
-      h += (h << 1) + (h << 4) + (h << 7) + (h << 8) + (h << 24);
-    }
-    return h >>> 0;
-  }
-
-  function seeded(seed) {
-    var state = hashSeed(seed || "albersdown");
-    return function () {
-      state = (1664525 * state + 1013904223) >>> 0;
-      return state / 4294967296;
-    };
-  }
-
-  function readPalette(el) {
-    var source = el || document.body;
-    var style = getComputedStyle(source);
-    var colors = ["--A900", "--A700", "--A500", "--A300"].map(function (k) {
-      var value = style.getPropertyValue(k).trim();
-      return value || "#666";
-    });
-    return colors;
-  }
-
-  function clearChildren(el) {
-    while (el.firstChild) el.removeChild(el.firstChild);
-  }
-
-  function svgEl(name, attrs) {
-    var el = document.createElementNS("http://www.w3.org/2000/svg", name);
-    Object.keys(attrs || {}).forEach(function (key) {
-      el.setAttribute(key, String(attrs[key]));
-    });
-    return el;
-  }
-
-  function renderComposition(container, idx) {
-    var seed = container.getAttribute("data-seed") || (window.location.pathname + ":" + idx);
-    var density = Number(container.getAttribute("data-density") || "6");
-    var rand = seeded(seed);
-    var palette = readPalette(container);
-    var w = 1600;
-    var h = 500;
-
-    clearChildren(container);
-    var svg = svgEl("svg", {
-      viewBox: "0 0 " + w + " " + h,
-      preserveAspectRatio: "xMidYMid slice",
-      role: "img",
-      "aria-label": "Albers composition"
-    });
-
-    svg.appendChild(svgEl("rect", { x: 0, y: 0, width: w, height: h, fill: "var(--surface)" }));
-
-    var blockCount = Math.max(4, Math.min(16, density * 2));
-    for (var i = 0; i < blockCount; i++) {
-      var side = 90 + rand() * 260;
-      var x = rand() * (w - side);
-      var y = rand() * (h - side);
-      var tone = palette[Math.floor(rand() * palette.length)];
-      svg.appendChild(svgEl("rect", {
-        x: x.toFixed(2),
-        y: y.toFixed(2),
-        width: side.toFixed(2),
-        height: side.toFixed(2),
-        fill: tone,
-        opacity: (0.17 + rand() * 0.72).toFixed(3)
-      }));
-    }
-
-    for (var j = 0; j < 3; j++) {
-      var cx = 80 + rand() * (w - 160);
-      var cy = 60 + rand() * (h - 120);
-      var radius = 26 + rand() * 66;
-      var color = palette[Math.floor(rand() * palette.length)];
-      svg.appendChild(svgEl("circle", {
-        cx: cx.toFixed(2),
-        cy: cy.toFixed(2),
-        r: radius.toFixed(2),
-        fill: color,
-        opacity: (0.16 + rand() * 0.44).toFixed(3)
-      }));
-    }
-
-    svg.appendChild(svgEl("rect", {
-      x: 0,
-      y: 0,
-      width: w,
-      height: h,
-      fill: "none",
-      stroke: "var(--border)",
-      "stroke-width": "4"
-    }));
-
-    container.appendChild(svg);
-  }
-
-  function renderAllCompositions() {
-    Array.from(document.querySelectorAll(".albers-composition")).forEach(function (el, idx) {
-      renderComposition(el, idx);
-    });
-  }
-
-  function initCopyButtons() {
-    var hasPkgdownCopy =
-      document.querySelector(".btn-copy-ex") ||
-      document.querySelector("[data-clipboard-copy]") ||
-      document.querySelector("div.sourceCode.hasCopyButton");
-
-    if (hasPkgdownCopy) return;
-
-    document.querySelectorAll("pre > code").forEach(function (code) {
-      var pre = code.parentElement;
-      if (!pre || pre.querySelector("button.copy-code")) return;
-      if (!code.textContent || !code.textContent.trim()) return;
-      var btn = document.createElement("button");
-      btn.className = "copy-code";
-      btn.type = "button";
-      btn.setAttribute("aria-label", "Copy code");
-      btn.textContent = "Copy";
-      btn.addEventListener("click", async function () {
-        try {
-          await navigator.clipboard.writeText(code.innerText);
-          btn.textContent = "Copied";
-        } catch (e) {
-          try {
-            var r = document.createRange();
-            r.selectNodeContents(code);
-            var sel = window.getSelection();
-            sel.removeAllRanges();
-            sel.addRange(r);
-            document.execCommand("copy");
-            sel.removeAllRanges();
-            btn.textContent = "Copied";
-          } catch (e2) {
-            btn.textContent = "Oops";
-          }
-        } finally {
-          setTimeout(function () { btn.textContent = "Copy"; }, 1400);
-        }
-      });
-      pre.appendChild(btn);
-    });
-  }
-
-  function initAnchors() {
-    Array.from(document.querySelectorAll("h2, h3")).forEach(function (h) {
-      if (!h.id || h.querySelector("a.anchor")) return;
-      var a = document.createElement("a");
-      a.href = "#" + h.id;
-      a.className = "anchor";
-      a.textContent = "—";
-      a.setAttribute("aria-label", "Link to this section");
-      a.setAttribute("title", "Link to this section");
-      h.appendChild(a);
-    });
-  }
-
-  function initDefaults() {
-    if (
-      document.body &&
-      !document.body.classList.contains("style-minimal") &&
-      !document.body.classList.contains("style-assertive")
-    ) {
-      document.body.classList.add("style-minimal");
-    }
-  }
-
-  function setSearchParam(key, value) {
-    try {
-      var url = new URL(window.location.href);
-      if (value === null || value === "") url.searchParams.delete(key);
-      else url.searchParams.set(key, value);
-      window.history.replaceState({}, "", url.toString());
-    } catch (e) {
-      // no-op
-    }
-  }
-
-  function updateLabSummary(root, state) {
-    var target = root.querySelector("[data-albers-lab-summary]");
-    if (!target) return;
-    target.textContent = [
-      "family=" + state.family,
-      "preset=" + state.preset,
-      "style=" + state.style,
-      "width=" + state.width + "ch"
-    ].join(" | ");
-  }
-
-  function applyLabState(root, state) {
-    applySingleClass(document.body, "palette-", state.family, FAMILY_CLASSES);
-    applySingleClass(document.body, "preset-", state.preset, PRESET_CLASSES);
-
-    classes("style-", STYLE_CLASSES).forEach(function (c) {
-      document.body.classList.remove(c);
-    });
-    if (state.style && state.style !== "balanced") {
-      document.body.classList.add("style-" + state.style);
-    }
-
-    document.documentElement.style.setProperty("--content", state.width + "ch");
-
-    syncBootstrapTheme();
-
-    setSearchParam("family", state.family);
-    setSearchParam("preset", state.preset);
-    setSearchParam("style", state.style);
-    setSearchParam("width", String(state.width));
-
-    updateLabSummary(root, state);
-    renderAllCompositions();
-  }
-
-  function watchThemeClasses() {
-    if (!document.body || typeof MutationObserver === "undefined") return;
-    var observer = new MutationObserver(function (muts) {
-      for (var i = 0; i < muts.length; i++) {
-        if (muts[i].attributeName === "class") {
-          syncBootstrapTheme();
-          renderAllCompositions();
-          break;
-        }
-      }
-    });
-    observer.observe(document.body, { attributes: true, attributeFilter: ["class"] });
-  }
-
-  function initThemeLab() {
-    var root = document.querySelector("[data-albers-lab]");
-    if (!root) return;
-
-    var controls = {
-      family: root.querySelector("[data-albers-control='family']"),
-      preset: root.querySelector("[data-albers-control='preset']"),
-      style: root.querySelector("[data-albers-control='style']"),
-      width: root.querySelector("[data-albers-control='width']")
-    };
-
-    if (!controls.family || !controls.preset || !controls.style || !controls.width) return;
-
-    var params = new URLSearchParams(window.location.search);
-    var initial = {
-      family: params.get("family") || controls.family.value || "red",
-      preset: params.get("preset") || controls.preset.value || "study",
-      style: params.get("style") || controls.style.value || "minimal",
-      width: Number(params.get("width") || controls.width.value || 78)
-    };
-
-    controls.family.value = initial.family;
-    controls.preset.value = initial.preset;
-    controls.style.value = initial.style;
-    controls.width.value = String(initial.width);
-
-    applyLabState(root, initial);
-
-    Object.keys(controls).forEach(function (key) {
-      controls[key].addEventListener("change", function () {
-        applyLabState(root, {
-          family: controls.family.value,
-          preset: controls.preset.value,
-          style: controls.style.value,
-          width: Number(controls.width.value || "78")
-        });
-      });
-    });
-  }
-
-  document.addEventListener("DOMContentLoaded", function () {
-    initDefaults();
-    initCopyButtons();
-    initAnchors();
-    initThemeLab();
-    watchThemeClasses();
-    syncBootstrapTheme();
-    renderAllCompositions();
-  });
-})();
+window.albersdownDefaults = { family: "teal", preset: "homage", style: "minimal" };