GH-227 Redesign and optimize navbar for mobile responsiveness

app/docs/(content)/layout.tsx

@@ -6,8 +6,8 @@ export default async function ContentLayout({ children }: { children: ReactNode
   const sidebarStructure = await getSidebar();
 
   return (
-    <div className="relative z-10 mx-auto min-h-[calc(100vh-7rem)] max-w-[90rem] px-4 py-12 pt-32 md:pt-28">
-      <div className="flex flex-col gap-8 lg:flex-row">
+    <div className="relative z-10 mx-auto min-h-[calc(100vh-7rem)] max-w-[90rem] px-4 py-8 pt-28 sm:px-6 md:py-12 md:pt-28">
+      <div className="flex flex-col gap-6 lg:flex-row lg:gap-8">
         <SidebarWrapper sidebarStructure={sidebarStructure} />
         <main className="flex min-w-0 flex-1 flex-col items-stretch">
           <div className="w-full" style={{ minHeight: "60vh" }}>

app/layout.tsx

@@ -133,7 +133,7 @@ export default function RootLayout({
             <Navbar />
           </header>
 
-          <main id="main-content" tabIndex={-1}>
+          <main className="pt-20" id="main-content" tabIndex={-1}>
             {children}
           </main>
 

components/docs/sidebar/sidebar-wrapper.tsx

@@ -61,7 +61,7 @@ const SidebarWrapper: FC<SidebarWrapperProps> = ({ sidebarStructure }) => {
     <>
       <SearchModal isOpen={isSearchOpen} onClose={() => setIsSearchOpen(false)} />
       <aside className="hidden w-72 shrink-0 lg:block">
-        <div className="sticky top-32 flex h-[calc(100vh-8rem)] flex-col gap-4">
+        <div className="sticky top-32 flex h-[calc(100vh-8rem)] flex-col gap-3">
           <SearchTrigger onClick={() => setIsSearchOpen(true)} />
           <div
             className="scrollbar-hide relative flex min-h-0 flex-1 flex-col overflow-auto overscroll-contain rounded-xl border border-gray-200 bg-white/90 shadow-lg backdrop-blur-md transition-shadow hover:shadow-xl dark:border-gray-800 dark:bg-gray-900/60"
@@ -72,7 +72,7 @@ const SidebarWrapper: FC<SidebarWrapperProps> = ({ sidebarStructure }) => {
         </div>
       </aside>
 
-      <div className="flex flex-col gap-4 lg:hidden">
+      <div className="flex flex-col gap-3 lg:hidden">
         <SearchTrigger onClick={() => setIsSearchOpen(true)} />
         <DocSidebar sidebarStructure={sidebarStructure} />
       </div>

components/hero/announcement-banner.tsx

@@ -1,36 +1,70 @@
 "use client";
 
-import { ArrowRight, Sparkles } from "lucide-react";
+import { AnimatePresence, motion } from "framer-motion";
+import { ArrowRight, Sparkles, X } from "lucide-react";
 import Link from "next/link";
+import { useCallback, useEffect, useState } from "react";
+
+const BANNER_DISMISS_KEY = "announcement-banner-dismissed-v1";
 
 export default function AnnouncementBanner() {
+  const [isVisible, setIsVisible] = useState(false);
+
+  useEffect(() => {
+    const dismissed = sessionStorage.getItem(BANNER_DISMISS_KEY);
+    if (!dismissed) {
+      setIsVisible(true);
+    }
+  }, []);
+
+  const dismiss = useCallback(() => {
+    setIsVisible(false);
+    sessionStorage.setItem(BANNER_DISMISS_KEY, "1");
+  }, []);
+
   return (
-    <div className="relative isolate z-50 flex flex-col gap-2 overflow-hidden border-blue-100 border-b bg-gradient-to-r from-blue-50/80 via-white/80 to-blue-100/80 px-4 py-2.5 text-sm backdrop-blur-md md:flex-row md:items-center md:justify-center dark:border-blue-900/30 dark:from-blue-950/30 dark:via-gray-900/30 dark:to-blue-950/30">
-      {/* Decorative gradients */}
-      <div className="absolute inset-0 -z-10 bg-[radial-gradient(ellipse_at_top,_var(--tw-gradient-stops))] from-blue-400/20 via-transparent to-transparent dark:from-blue-500/10" />
-
-      {/* Content wrapper */}
-      <div className="flex flex-wrap items-center justify-center gap-x-3 gap-y-1.5 text-center">
-        <span className="inline-flex items-center gap-1.5 rounded-full bg-blue-100/80 px-2.5 py-0.5 font-semibold text-blue-700 text-xs ring-1 ring-blue-200 ring-inset dark:bg-blue-500/10 dark:text-blue-300 dark:ring-blue-500/20">
-          <Sparkles className="h-3 w-3" />
-          <span>New</span>
-        </span>
-
-        <p className="text-gray-600 dark:text-gray-300">
-          We just launched the new{" "}
-          <span className="font-semibold text-gray-900 dark:text-white">
-            Notification Generator
-          </span>
-        </p>
-
-        <Link
-          className="group inline-flex items-center gap-1 font-medium text-blue-600 transition-colors hover:text-blue-500 dark:text-blue-400 dark:hover:text-blue-300"
-          href="/notification-generator"
+    <AnimatePresence>
+      {!!isVisible && (
+        <motion.div
+          animate={{ height: "auto", opacity: 1 }}
+          className="relative isolate overflow-hidden border-blue-200/60 border-b bg-gradient-to-r from-blue-600 via-indigo-600 to-blue-700 dark:border-blue-800/40 dark:from-blue-900/90 dark:via-indigo-900/90 dark:to-blue-900/90"
+          exit={{ height: 0, opacity: 0 }}
+          initial={{ height: "auto", opacity: 1 }}
+          transition={{ duration: 0.2, ease: "easeInOut" }}
         >
-          Check it out
-          <ArrowRight className="h-3.5 w-3.5 transform-gpu transition-transform will-change-transform group-hover:translate-x-0.5" />
-        </Link>
-      </div>
-    </div>
+          <div className="absolute inset-0 bg-[url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iNDAiIGhlaWdodD0iNDAiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyI+PGNpcmNsZSBjeD0iMjAiIGN5PSIyMCIgcj0iMSIgZmlsbD0icmdiYSgyNTUsMjU1LDI1NSwwLjA1KSIvPjwvc3ZnPg==')] opacity-50" />
+
+          <div className="relative mx-auto flex max-w-[90rem] items-center justify-center px-4 py-2">
+            <div className="flex flex-wrap items-center justify-center gap-x-3 gap-y-1 text-center">
+              <span className="inline-flex items-center gap-1 rounded-full bg-white/15 px-2 py-0.5 font-semibold text-white/95 text-xs backdrop-blur-sm">
+                <Sparkles className="h-3 w-3" />
+                New
+              </span>
+
+              <p className="text-sm text-white/90">
+                Explore the latest <span className="font-semibold text-white">stable</span> and <span className="font-semibold text-white">dev</span> builds using the <span className="font-semibold text-white">Build Explorer</span>.
+              </p>
+
+              <Link
+                className="group inline-flex items-center gap-1 font-medium text-sm text-white/95 underline decoration-white/30 underline-offset-2 transition-colors hover:decoration-white/60"
+                href="/builds"
+              >
+                Check it out
+                <ArrowRight className="h-3.5 w-3.5 transition-transform group-hover:translate-x-0.5" />
+              </Link>
+            </div>
+
+            <button
+              aria-label="Dismiss announcement"
+              className="absolute top-1/2 right-3 flex h-6 w-6 -translate-y-1/2 items-center justify-center rounded-full text-white/60 transition-colors hover:bg-white/10 hover:text-white"
+              onClick={dismiss}
+              type="button"
+            >
+              <X className="h-3.5 w-3.5" />
+            </button>
+          </div>
+        </motion.div>
+      )}
+    </AnimatePresence>
   );
 }