docs: document windows preview installs

4 files changed, 110 insertions, 17 deletions

diff --git a/website/css/style.css b/website/css/style.css
index 1754a180..6a562aa1 100644
--- a/website/css/style.css
+++ b/website/css/style.css
@@ -1120,6 +1120,54 @@ samp {
     color: var(--accent);
 }
 
+.windows-install {
+    margin-top: 0.85rem;
+    padding-top: 0.85rem;
+    border-top: 1px solid var(--line);
+}
+
+.windows-install-heading {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    gap: 0.75rem;
+    color: var(--muted);
+    font-family: var(--mono);
+    font-size: 0.72rem;
+    font-weight: 600;
+}
+
+.windows-install-heading span {
+    color: var(--ink-soft);
+}
+
+.windows-install-heading a {
+    color: var(--accent);
+    text-decoration: none;
+}
+
+.windows-install-heading a:hover {
+    text-decoration: underline;
+}
+
+.install-card-secondary {
+    margin-top: 0.45rem;
+    background: color-mix(in srgb, var(--term-bg) 82%, transparent);
+}
+
+.install-card-secondary .prompt {
+    font-size: 0.72rem;
+}
+
+.install-card-secondary code {
+    font-size: 0.68rem;
+}
+
+.install-card-secondary button {
+    padding: 0.24rem 0.55rem;
+    font-size: 0.68rem;
+}
+
 .hero-note {
     margin: 0.75rem 0 0;
     color: var(--muted-2);
diff --git a/website/index.html b/website/index.html
index cbcefb00..1a06efc0 100644
--- a/website/index.html
+++ b/website/index.html
@@ -137,7 +137,7 @@
                     </div>
                     <div class="install-panel" aria-label="Install options">
                         <div class="install-methods" role="group" aria-label="Install method">
-                            <span class="install-label">Install with</span>
+                            <span class="install-label">Stable install</span>
                             <button
                                 class="install-method is-active"
                                 type="button"
@@ -165,10 +165,23 @@
                             <code id="install-cmd" class="is-compact"
                                 >curl -fsSL https://herdr.dev/install.sh | sh</code
                             >
-                            <button id="copy-btn" type="button">Copy</button>
+                            <button id="copy-btn" type="button" data-copy-target="install-cmd">Copy</button>
+                        </div>
+                        <div class="windows-install" aria-label="Windows beta preview install">
+                            <div class="windows-install-heading">
+                                <span>Windows beta · preview only</span>
+                                <a href="/docs/preview/windows-beta/">Preview docs</a>
+                            </div>
+                            <div class="install-card install-card-secondary" aria-label="Windows beta install command">
+                                <span class="prompt">PS&gt;</span>
+                                <code id="windows-install-cmd" class="is-compact"
+                                    >$env:HERDR_CHANNEL="preview"; irm https://herdr.dev/install.ps1 | iex</code
+                                >
+                                <button type="button" data-copy-target="windows-install-cmd">Copy</button>
+                            </div>
                         </div>
                     </div>
-                    <p class="hero-note">Single Rust binary · no Electron</p>
+                    <p class="hero-note">Stable Linux/macOS · Windows preview beta · no Electron</p>
                 </div>
                 </div>
 
@@ -1048,18 +1061,23 @@ $ herdr</code></pre>
                     });
                 });
 
-                copyButton.addEventListener("click", async function () {
-                    try {
-                        await navigator.clipboard.writeText(
-                            command.textContent.trim(),
-                        );
-                        copyButton.textContent = "Copied";
-                        setTimeout(function () {
-                            copyButton.textContent = "Copy";
-                        }, 1500);
-                    } catch (error) {
-                        copyButton.textContent = "Select";
-                    }
+                document.querySelectorAll("[data-copy-target]").forEach(function (button) {
+                    button.addEventListener("click", async function () {
+                        var target = document.getElementById(button.dataset.copyTarget);
+                        if (!target) return;
+
+                        try {
+                            await navigator.clipboard.writeText(
+                                target.textContent.trim(),
+                            );
+                            button.textContent = "Copied";
+                            setTimeout(function () {
+                                button.textContent = "Copy";
+                            }, 1500);
+                        } catch (error) {
+                            button.textContent = "Select";
+                        }
+                    });
                 });
             })();
 
diff --git a/website/src/components/Sidebar.astro b/website/src/components/Sidebar.astro
index c875a390..8ded83bb 100644
--- a/website/src/components/Sidebar.astro
+++ b/website/src/components/Sidebar.astro
@@ -6,7 +6,34 @@ import SidebarSublist from '@astrojs/starlight/components/SidebarSublist.astro';
 const { sidebar } = Astro.locals.starlightRoute;
 const pathname = Astro.url.pathname;
 const isPreview = pathname === '/docs/preview/' || pathname.startsWith('/docs/preview/');
-const channelSidebar = isPreview ? rewriteSidebar(sidebar) : sidebar;
+const channelSidebar = isPreview ? addPreviewOnlyItems(rewriteSidebar(sidebar)) : sidebar;
+
+function addPreviewOnlyItems(entries) {
+  return entries.map((entry) => {
+    if (entry.type !== 'group' || entry.label !== 'Start here') return entry;
+
+    const windowsBeta = {
+      type: 'link',
+      label: 'Windows beta',
+      href: '/docs/preview/windows-beta/',
+      badge: undefined,
+      isCurrent: samePath('/docs/preview/windows-beta/', pathname),
+      attrs: {},
+    };
+    const nextEntries = [];
+    for (const child of entry.entries) {
+      nextEntries.push(child);
+      if (child.type === 'link' && child.label === 'Install') {
+        nextEntries.push(windowsBeta);
+      }
+    }
+
+    return {
+      ...entry,
+      entries: nextEntries,
+    };
+  });
+}
 
 function rewriteSidebar(entries) {
   return entries.map((entry) => {
diff --git a/website/src/content/docs/install.mdx b/website/src/content/docs/install.mdx
index 6322c8e0..66203310 100644
--- a/website/src/content/docs/install.mdx
+++ b/website/src/content/docs/install.mdx
@@ -130,4 +130,4 @@ mv herdr-linux-x86_64 ~/.local/bin/herdr
 
 ## Requirements
 
-Herdr supports Linux and macOS. Native Windows support is not available yet; use Herdr inside WSL for now.
+Stable Herdr releases support Linux and macOS. Native Windows builds are preview-only beta releases; stable users on Windows should use Herdr inside WSL for now.