diff --git a/src/app/notebooks/[id]/page.tsx b/src/app/notebooks/[id]/page.tsx
index 1e8198b..acd4b68 100644
--- a/src/app/notebooks/[id]/page.tsx
+++ b/src/app/notebooks/[id]/page.tsx
@@ -7,6 +7,7 @@ import { NoteCard } from '@/components/NoteCard';
 import { CanvasEmbed } from '@/components/CanvasEmbed';
 import { UserMenu } from '@/components/UserMenu';
 import { authFetch } from '@/lib/authFetch';
+import type { CanvasShapeMessage } from '@/lib/canvas-sync';
 
 interface NoteData {
   id: string;
@@ -51,6 +52,23 @@ export default function NotebookDetailPage() {
     fetchNotebook();
   }, [fetchNotebook]);
 
+  const handleShapeUpdate = useCallback(async (message: CanvasShapeMessage) => {
+    try {
+      await fetch('/api/sync', {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({
+          shapeId: message.shapeId,
+          type: message.type,
+          data: message.data,
+        }),
+      });
+      fetchNotebook();
+    } catch (err) {
+      console.error('Canvas sync error:', err);
+    }
+  }, [fetchNotebook]);
+
   const handleCreateCanvas = async () => {
     if (creatingCanvas) return;
     setCreatingCanvas(true);
@@ -98,51 +116,54 @@ export default function NotebookDetailPage() {
 
   return (
     <div className="min-h-screen bg-[#0a0a0a]">
-      <nav className="border-b border-slate-800 px-6 py-4">
-        <div className="max-w-6xl mx-auto flex items-center justify-between">
-          <div className="flex items-center gap-3">
-            <Link href="/" className="flex items-center gap-3">
+      <nav className="border-b border-slate-800 px-4 md:px-6 py-4">
+        <div className="max-w-6xl mx-auto flex items-center justify-between gap-2">
+          <div className="flex items-center gap-2 md:gap-3 min-w-0">
+            <Link href="/" className="flex-shrink-0">
               <div className="w-8 h-8 rounded-lg bg-gradient-to-br from-amber-400 to-orange-500 flex items-center justify-center text-sm font-bold text-black">
                 rN
               </div>
             </Link>
-            <span className="text-slate-600">/</span>
-            <Link href="/notebooks" className="text-slate-400 hover:text-white transition-colors">Notebooks</Link>
-            <span className="text-slate-600">/</span>
-            <span className="text-white">{notebook.title}</span>
+            <span className="text-slate-600 hidden sm:inline">/</span>
+            <Link href="/notebooks" className="text-slate-400 hover:text-white transition-colors hidden sm:inline">Notebooks</Link>
+            <span className="text-slate-600 hidden sm:inline">/</span>
+            <span className="text-white truncate">{notebook.title}</span>
           </div>
-          <div className="flex items-center gap-3">
+          <div className="flex items-center gap-2 md:gap-3 flex-shrink-0">
             {notebook.canvasSlug ? (
               <button
                 onClick={() => setShowCanvas(!showCanvas)}
-                className={`px-3 py-1.5 text-sm rounded-lg transition-colors ${
+                className={`px-2 md:px-3 py-1.5 text-sm rounded-lg transition-colors ${
                   showCanvas
                     ? 'bg-amber-500/20 text-amber-400 border border-amber-500/30'
                     : 'bg-slate-800 text-slate-400 border border-slate-700 hover:text-white'
                 }`}
               >
-                {showCanvas ? 'Hide Canvas' : 'Show Canvas'}
+                <span className="hidden sm:inline">{showCanvas ? 'Hide Canvas' : 'Show Canvas'}</span>
+                <svg className="w-4 h-4 sm:hidden" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M4 5a1 1 0 011-1h14a1 1 0 011 1v2a1 1 0 01-1 1H5a1 1 0 01-1-1V5zM4 13a1 1 0 011-1h6a1 1 0 011 1v6a1 1 0 01-1 1H5a1 1 0 01-1-1v-6zM16 13a1 1 0 011-1h2a1 1 0 011 1v6a1 1 0 01-1 1h-2a1 1 0 01-1-1v-6z" /></svg>
               </button>
             ) : (
               <button
                 onClick={handleCreateCanvas}
                 disabled={creatingCanvas}
-                className="px-3 py-1.5 text-sm bg-slate-800 text-slate-400 border border-slate-700 rounded-lg hover:text-white transition-colors"
+                className="px-2 md:px-3 py-1.5 text-sm bg-slate-800 text-slate-400 border border-slate-700 rounded-lg hover:text-white transition-colors hidden sm:inline-flex"
               >
                 {creatingCanvas ? 'Creating...' : 'Create Canvas'}
               </button>
             )}
             <Link
               href={`/notes/new?notebookId=${notebook.id}`}
-              className="px-4 py-2 bg-amber-500 hover:bg-amber-400 text-black text-sm font-medium rounded-lg transition-colors"
+              className="px-3 md:px-4 py-2 bg-amber-500 hover:bg-amber-400 text-black text-sm font-medium rounded-lg transition-colors"
             >
-              Add Note
+              <span className="hidden sm:inline">Add Note</span>
+              <svg className="w-4 h-4 sm:hidden" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M12 4v16m8-8H4" /></svg>
             </Link>
             <button
               onClick={handleDelete}
-              className="px-3 py-1.5 text-sm text-red-400 hover:text-red-300 border border-red-900/30 hover:border-red-800 rounded-lg transition-colors"
+              className="px-2 md:px-3 py-1.5 text-sm text-red-400 hover:text-red-300 border border-red-900/30 hover:border-red-800 rounded-lg transition-colors"
             >
-              Delete
+              <span className="hidden sm:inline">Delete</span>
+              <svg className="w-4 h-4 sm:hidden" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16" /></svg>
             </button>
             <UserMenu />
           </div>
@@ -151,12 +172,12 @@ export default function NotebookDetailPage() {
 
       <div className={`flex ${showCanvas ? 'gap-0' : ''}`}>
         {/* Notes panel */}
-        <main className={`${showCanvas ? 'w-3/5' : 'w-full'} max-w-6xl mx-auto px-6 py-8`}>
+        <main className={`${showCanvas ? 'hidden md:block md:w-3/5' : 'w-full'} max-w-6xl mx-auto px-4 md:px-6 py-6 md:py-8`}>
           {/* Header */}
-          <div className="mb-8">
+          <div className="mb-6 md:mb-8">
             <div className="flex items-center gap-3 mb-2">
               <div className="w-4 h-4 rounded-full" style={{ backgroundColor: notebook.coverColor }} />
-              <h1 className="text-3xl font-bold text-white">{notebook.title}</h1>
+              <h1 className="text-2xl md:text-3xl font-bold text-white">{notebook.title}</h1>
             </div>
             {notebook.description && (
               <p className="text-slate-400 ml-7">{notebook.description}</p>
@@ -194,7 +215,7 @@ export default function NotebookDetailPage() {
               {tab === 'pinned' ? 'No pinned notes' : 'No notes yet. Add one!'}
             </div>
           ) : (
-            <div className="grid md:grid-cols-2 lg:grid-cols-3 gap-3">
+            <div className="grid sm:grid-cols-2 lg:grid-cols-3 gap-3">
               {filteredNotes.map((note) => (
                 <NoteCard
                   key={note.id}
@@ -216,10 +237,19 @@ export default function NotebookDetailPage() {
           )}
         </main>
 
-        {/* Canvas sidebar */}
+        {/* Canvas sidebar — full screen on mobile, split on desktop */}
         {showCanvas && notebook.canvasSlug && (
-          <div className="w-2/5 border-l border-slate-800 sticky top-0 h-screen">
-            <CanvasEmbed canvasSlug={notebook.canvasSlug} className="h-full" />
+          <div className="fixed inset-0 z-40 md:relative md:inset-auto md:w-2/5 md:z-auto border-l border-slate-800 md:sticky md:top-0 md:h-screen bg-[#0a0a0a]">
+            <div className="md:hidden flex items-center justify-between px-4 py-3 border-b border-slate-800">
+              <span className="text-sm font-medium text-white">Canvas</span>
+              <button
+                onClick={() => setShowCanvas(false)}
+                className="p-1 text-slate-400 hover:text-white"
+              >
+                <svg className="w-5 h-5" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M6 18L18 6M6 6l12 12" /></svg>
+              </button>
+            </div>
+            <CanvasEmbed canvasSlug={notebook.canvasSlug} className="h-full" onShapeUpdate={handleShapeUpdate} />
           </div>
         )}
       </div>
diff --git a/src/app/notebooks/new/page.tsx b/src/app/notebooks/new/page.tsx
index 801f468..43d4318 100644
--- a/src/app/notebooks/new/page.tsx
+++ b/src/app/notebooks/new/page.tsx
@@ -42,23 +42,23 @@ export default function NewNotebookPage() {
 
   return (
     <div className="min-h-screen bg-[#0a0a0a]">
-      <nav className="border-b border-slate-800 px-6 py-4">
+      <nav className="border-b border-slate-800 px-4 md:px-6 py-4">
         <div className="max-w-6xl mx-auto flex items-center gap-3">
           <Link href="/" className="flex items-center gap-3">
             <div className="w-8 h-8 rounded-lg bg-gradient-to-br from-amber-400 to-orange-500 flex items-center justify-center text-sm font-bold text-black">
               rN
             </div>
           </Link>
-          <span className="text-slate-600">/</span>
-          <Link href="/notebooks" className="text-slate-400 hover:text-white transition-colors">Notebooks</Link>
-          <span className="text-slate-600">/</span>
+          <span className="text-slate-600 hidden sm:inline">/</span>
+          <Link href="/notebooks" className="text-slate-400 hover:text-white transition-colors hidden sm:inline">Notebooks</Link>
+          <span className="text-slate-600 hidden sm:inline">/</span>
           <span className="text-white">New</span>
           <div className="ml-auto"><UserMenu /></div>
         </div>
       </nav>
 
-      <main className="max-w-2xl mx-auto px-6 py-12">
-        <h1 className="text-3xl font-bold text-white mb-8">Create Notebook</h1>
+      <main className="max-w-2xl mx-auto px-4 md:px-6 py-8 md:py-12">
+        <h1 className="text-2xl md:text-3xl font-bold text-white mb-6 md:mb-8">Create Notebook</h1>
 
         <form onSubmit={handleSubmit} className="space-y-6">
           <div>
diff --git a/src/app/notebooks/page.tsx b/src/app/notebooks/page.tsx
index 165192b..3e6380d 100644
--- a/src/app/notebooks/page.tsx
+++ b/src/app/notebooks/page.tsx
@@ -29,34 +29,39 @@ export default function NotebooksPage() {
 
   return (
     <div className="min-h-screen bg-[#0a0a0a]">
-      <nav className="border-b border-slate-800 px-6 py-4">
+      <nav className="border-b border-slate-800 px-4 md:px-6 py-4">
         <div className="max-w-6xl mx-auto flex items-center justify-between">
           <div className="flex items-center gap-3">
             <Link href="/" className="flex items-center gap-3">
               <div className="w-8 h-8 rounded-lg bg-gradient-to-br from-amber-400 to-orange-500 flex items-center justify-center text-sm font-bold text-black">
                 rN
               </div>
-              <span className="text-lg font-semibold text-white">rNotes</span>
+              <span className="text-lg font-semibold text-white hidden sm:inline">rNotes</span>
             </Link>
             <span className="text-slate-600">/</span>
             <span className="text-slate-400">Notebooks</span>
           </div>
-          <div className="flex items-center gap-4">
-            <div className="w-64">
+          <div className="flex items-center gap-2 md:gap-4">
+            <div className="hidden md:block w-64">
               <SearchBar />
             </div>
             <Link
               href="/notebooks/new"
-              className="px-4 py-2 bg-amber-500 hover:bg-amber-400 text-black text-sm font-medium rounded-lg transition-colors"
+              className="px-3 md:px-4 py-2 bg-amber-500 hover:bg-amber-400 text-black text-sm font-medium rounded-lg transition-colors"
             >
-              New Notebook
+              <span className="hidden sm:inline">New Notebook</span>
+              <svg className="w-4 h-4 sm:hidden" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M12 4v16m8-8H4" /></svg>
             </Link>
             <UserMenu />
           </div>
         </div>
       </nav>
+      {/* Mobile search */}
+      <div className="md:hidden px-4 py-3 border-b border-slate-800">
+        <SearchBar />
+      </div>
 
-      <main className="max-w-6xl mx-auto px-6 py-8">
+      <main className="max-w-6xl mx-auto px-4 md:px-6 py-6 md:py-8">
         {loading ? (
           <div className="flex items-center justify-center py-20">
             <svg className="animate-spin h-8 w-8 text-amber-400" viewBox="0 0 24 24">
@@ -75,7 +80,7 @@ export default function NotebooksPage() {
             </Link>
           </div>
         ) : (
-          <div className="grid md:grid-cols-3 gap-4">
+          <div className="grid sm:grid-cols-2 md:grid-cols-3 gap-3 md:gap-4">
             {notebooks.map((nb) => (
               <NotebookCard
                 key={nb.id}
diff --git a/src/app/notes/[id]/page.tsx b/src/app/notes/[id]/page.tsx
index 6016ff3..ae9f62e 100644
--- a/src/app/notes/[id]/page.tsx
+++ b/src/app/notes/[id]/page.tsx
@@ -123,44 +123,45 @@ export default function NoteDetailPage() {
 
   return (
     <div className="min-h-screen bg-[#0a0a0a]">
-      <nav className="border-b border-slate-800 px-6 py-4">
-        <div className="max-w-4xl mx-auto flex items-center justify-between">
-          <div className="flex items-center gap-3">
-            <Link href="/" className="flex items-center gap-3">
+      <nav className="border-b border-slate-800 px-4 md:px-6 py-4">
+        <div className="max-w-4xl mx-auto flex items-center justify-between gap-2">
+          <div className="flex items-center gap-2 md:gap-3 min-w-0">
+            <Link href="/" className="flex-shrink-0">
               <div className="w-8 h-8 rounded-lg bg-gradient-to-br from-amber-400 to-orange-500 flex items-center justify-center text-sm font-bold text-black">
                 rN
               </div>
             </Link>
-            <span className="text-slate-600">/</span>
+            <span className="text-slate-600 hidden sm:inline">/</span>
             {note.notebook ? (
               <>
-                <Link href={`/notebooks/${note.notebook.id}`} className="text-slate-400 hover:text-white transition-colors">
+                <Link href={`/notebooks/${note.notebook.id}`} className="text-slate-400 hover:text-white transition-colors hidden sm:inline truncate max-w-[120px]">
                   {note.notebook.title}
                 </Link>
-                <span className="text-slate-600">/</span>
+                <span className="text-slate-600 hidden sm:inline">/</span>
               </>
             ) : null}
-            <span className="text-white truncate max-w-[200px]">{note.title}</span>
+            <span className="text-white truncate max-w-[120px] md:max-w-[200px]">{note.title}</span>
           </div>
-          <div className="flex items-center gap-2">
+          <div className="flex items-center gap-1.5 md:gap-2 flex-shrink-0">
             <button
               onClick={handleTogglePin}
-              className={`px-3 py-1.5 text-sm rounded-lg border transition-colors ${
+              className={`px-2 md:px-3 py-1.5 text-sm rounded-lg border transition-colors ${
                 note.isPinned
                   ? 'bg-amber-500/20 text-amber-400 border-amber-500/30'
                   : 'text-slate-400 border-slate-700 hover:text-white'
               }`}
             >
-              {note.isPinned ? 'Unpin' : 'Pin to Canvas'}
+              <span className="hidden sm:inline">{note.isPinned ? 'Unpin' : 'Pin to Canvas'}</span>
+              <svg className="w-4 h-4 sm:hidden" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M5 5a2 2 0 012-2h10a2 2 0 012 2v16l-7-3.5L5 21V5z" /></svg>
             </button>
             {editing ? (
               <>
                 <button
                   onClick={handleSave}
                   disabled={saving}
-                  className="px-3 py-1.5 text-sm bg-amber-500 hover:bg-amber-400 text-black font-medium rounded-lg transition-colors"
+                  className="px-2 md:px-3 py-1.5 text-sm bg-amber-500 hover:bg-amber-400 text-black font-medium rounded-lg transition-colors"
                 >
-                  {saving ? 'Saving...' : 'Save'}
+                  {saving ? '...' : 'Save'}
                 </button>
                 <button
                   onClick={() => {
@@ -168,7 +169,7 @@ export default function NoteDetailPage() {
                     setEditTitle(note.title);
                     setEditContent(note.content);
                   }}
-                  className="px-3 py-1.5 text-sm text-slate-400 border border-slate-700 rounded-lg hover:text-white transition-colors"
+                  className="px-2 md:px-3 py-1.5 text-sm text-slate-400 border border-slate-700 rounded-lg hover:text-white transition-colors hidden sm:inline-flex"
                 >
                   Cancel
                 </button>
@@ -176,25 +177,26 @@ export default function NoteDetailPage() {
             ) : (
               <button
                 onClick={() => setEditing(true)}
-                className="px-3 py-1.5 text-sm text-slate-400 border border-slate-700 rounded-lg hover:text-white transition-colors"
+                className="px-2 md:px-3 py-1.5 text-sm text-slate-400 border border-slate-700 rounded-lg hover:text-white transition-colors"
               >
                 Edit
               </button>
             )}
             <button
               onClick={handleDelete}
-              className="px-3 py-1.5 text-sm text-red-400 hover:text-red-300 border border-red-900/30 rounded-lg transition-colors"
+              className="px-2 md:px-3 py-1.5 text-sm text-red-400 hover:text-red-300 border border-red-900/30 rounded-lg transition-colors"
             >
-              Delete
+              <span className="hidden sm:inline">Delete</span>
+              <svg className="w-4 h-4 sm:hidden" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16" /></svg>
             </button>
             <UserMenu />
           </div>
         </div>
       </nav>
 
-      <main className="max-w-4xl mx-auto px-6 py-8">
+      <main className="max-w-4xl mx-auto px-4 md:px-6 py-6 md:py-8">
         {/* Metadata */}
-        <div className="flex items-center gap-3 mb-6">
+        <div className="flex flex-wrap items-center gap-2 md:gap-3 mb-6">
           <span className={`text-xs font-bold uppercase px-2 py-1 rounded ${TYPE_COLORS[note.type] || TYPE_COLORS.NOTE}`}>
             {note.type}
           </span>
@@ -264,7 +266,7 @@ export default function NoteDetailPage() {
           </div>
         ) : (
           <div>
-            <h1 className="text-3xl font-bold text-white mb-6">{note.title}</h1>
+            <h1 className="text-2xl md:text-3xl font-bold text-white mb-6">{note.title}</h1>
             {note.type === 'CODE' ? (
               <pre className="bg-slate-800/50 border border-slate-700 rounded-lg p-4 overflow-x-auto">
                 <code className="text-sm text-slate-200 font-mono">
diff --git a/src/app/notes/new/page.tsx b/src/app/notes/new/page.tsx
index 9fe0ba2..f45f85a 100644
--- a/src/app/notes/new/page.tsx
+++ b/src/app/notes/new/page.tsx
@@ -108,7 +108,7 @@ function NewNoteForm() {
 
   return (
     <div className="min-h-screen bg-[#0a0a0a]">
-      <nav className="border-b border-slate-800 px-6 py-4">
+      <nav className="border-b border-slate-800 px-4 md:px-6 py-4">
         <div className="max-w-6xl mx-auto flex items-center gap-3">
           <Link href="/" className="flex items-center gap-3">
             <div className="w-8 h-8 rounded-lg bg-gradient-to-br from-amber-400 to-orange-500 flex items-center justify-center text-sm font-bold text-black">
@@ -121,8 +121,8 @@ function NewNoteForm() {
         </div>
       </nav>
 
-      <main className="max-w-3xl mx-auto px-6 py-12">
-        <h1 className="text-3xl font-bold text-white mb-8">Create Note</h1>
+      <main className="max-w-3xl mx-auto px-4 md:px-6 py-8 md:py-12">
+        <h1 className="text-2xl md:text-3xl font-bold text-white mb-6 md:mb-8">Create Note</h1>
 
         <form onSubmit={handleSubmit} className="space-y-6">
           {/* Type selector */}
diff --git a/src/app/page.tsx b/src/app/page.tsx
index 4889007..b28bceb 100644
--- a/src/app/page.tsx
+++ b/src/app/page.tsx
@@ -30,7 +30,7 @@ export default function HomePage() {
   return (
     <div className="min-h-screen bg-[#0a0a0a]">
       {/* Nav */}
-      <nav className="border-b border-slate-800 px-6 py-4">
+      <nav className="border-b border-slate-800 px-4 md:px-6 py-4">
         <div className="max-w-6xl mx-auto flex items-center justify-between">
           <div className="flex items-center gap-3">
             <div className="w-8 h-8 rounded-lg bg-gradient-to-br from-amber-400 to-orange-500 flex items-center justify-center text-sm font-bold text-black">
@@ -38,51 +38,57 @@ export default function HomePage() {
             </div>
             <span className="text-lg font-semibold text-white">rNotes</span>
           </div>
-          <div className="flex items-center gap-4">
-            <div className="w-64">
+          <div className="flex items-center gap-2 md:gap-4">
+            <div className="hidden md:block w-64">
               <SearchBar />
             </div>
             <Link
               href="/notebooks"
-              className="text-sm text-slate-400 hover:text-white transition-colors"
+              className="text-sm text-slate-400 hover:text-white transition-colors hidden sm:inline"
             >
               Notebooks
             </Link>
             <Link
               href="/notes/new"
-              className="px-4 py-2 bg-amber-500 hover:bg-amber-400 text-black text-sm font-medium rounded-lg transition-colors"
+              className="px-3 md:px-4 py-2 bg-amber-500 hover:bg-amber-400 text-black text-sm font-medium rounded-lg transition-colors"
             >
-              New Note
+              <span className="hidden sm:inline">New Note</span>
+              <svg className="w-4 h-4 sm:hidden" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M12 4v16m8-8H4" /></svg>
             </Link>
             <UserMenu />
           </div>
         </div>
       </nav>
 
+      {/* Mobile search */}
+      <div className="md:hidden px-4 py-3 border-b border-slate-800">
+        <SearchBar />
+      </div>
+
       {/* Hero */}
-      <section className="py-20 px-6">
+      <section className="py-12 md:py-20 px-4 md:px-6">
         <div className="max-w-4xl mx-auto text-center">
-          <h1 className="text-5xl font-bold mb-4">
+          <h1 className="text-3xl md:text-5xl font-bold mb-4">
             <span className="bg-gradient-to-r from-amber-400 to-orange-500 bg-clip-text text-transparent">
               Capture Everything
             </span>
             <br />
             <span className="text-white">Find Anything</span>
           </h1>
-          <p className="text-lg text-slate-400 mb-8 max-w-2xl mx-auto">
+          <p className="text-base md:text-lg text-slate-400 mb-6 md:mb-8 max-w-2xl mx-auto">
             Notes, clips, bookmarks, code, images, and files — all in one place.
             Organize in notebooks, tag freely, and collaborate on a visual canvas shared across r*Spaces.
           </p>
-          <div className="flex items-center justify-center gap-4">
+          <div className="flex flex-col sm:flex-row items-center justify-center gap-3 sm:gap-4">
             <Link
               href="/notebooks/new"
-              className="px-6 py-3 bg-amber-500 hover:bg-amber-400 text-black font-semibold rounded-lg transition-colors"
+              className="w-full sm:w-auto px-6 py-3 bg-amber-500 hover:bg-amber-400 text-black font-semibold rounded-lg transition-colors text-center"
             >
               Create Notebook
             </Link>
             <Link
               href="/notes/new"
-              className="px-6 py-3 border border-slate-700 hover:border-slate-600 text-white rounded-lg transition-colors"
+              className="w-full sm:w-auto px-6 py-3 border border-slate-700 hover:border-slate-600 text-white rounded-lg transition-colors text-center"
             >
               Quick Note
             </Link>
@@ -91,10 +97,10 @@ export default function HomePage() {
       </section>
 
       {/* How it works */}
-      <section className="py-16 px-6 border-t border-slate-800">
+      <section className="py-12 md:py-16 px-4 md:px-6 border-t border-slate-800">
         <div className="max-w-6xl mx-auto">
-          <h2 className="text-2xl font-bold text-white text-center mb-12">How It Works</h2>
-          <div className="grid md:grid-cols-3 gap-8">
+          <h2 className="text-xl md:text-2xl font-bold text-white text-center mb-8 md:mb-12">How It Works</h2>
+          <div className="grid sm:grid-cols-2 md:grid-cols-3 gap-6 md:gap-8">
             <div className="text-center">
               <div className="w-12 h-12 rounded-xl bg-amber-500/10 border border-amber-500/20 flex items-center justify-center mx-auto mb-4">
                 <svg className="w-6 h-6 text-amber-400" fill="none" viewBox="0 0 24 24" stroke="currentColor">
@@ -128,15 +134,15 @@ export default function HomePage() {
 
       {/* Recent notebooks */}
       {!loading && notebooks.length > 0 && (
-        <section className="py-16 px-6 border-t border-slate-800">
+        <section className="py-12 md:py-16 px-4 md:px-6 border-t border-slate-800">
           <div className="max-w-6xl mx-auto">
-            <div className="flex items-center justify-between mb-8">
-              <h2 className="text-2xl font-bold text-white">Recent Notebooks</h2>
+            <div className="flex items-center justify-between mb-6 md:mb-8">
+              <h2 className="text-xl md:text-2xl font-bold text-white">Recent Notebooks</h2>
               <Link href="/notebooks" className="text-sm text-amber-400 hover:text-amber-300">
                 View all
               </Link>
             </div>
-            <div className="grid md:grid-cols-3 gap-4">
+            <div className="grid sm:grid-cols-2 md:grid-cols-3 gap-3 md:gap-4">
               {notebooks.slice(0, 6).map((nb) => (
                 <NotebookCard
                   key={nb.id}
@@ -154,8 +160,8 @@ export default function HomePage() {
       )}
 
       {/* Footer */}
-      <footer className="border-t border-slate-800 px-6 py-8">
-        <div className="max-w-6xl mx-auto flex items-center justify-between text-sm text-slate-500">
+      <footer className="border-t border-slate-800 px-4 md:px-6 py-6 md:py-8">
+        <div className="max-w-6xl mx-auto flex flex-col sm:flex-row items-center justify-between gap-2 text-sm text-slate-500">
           <span>rNotes.online — Part of the r* ecosystem</span>
           <a href="https://rspace.online" className="hover:text-amber-400 transition-colors">
             rSpace.online