diff --git a/src/app/investor/profile/page.tsx b/src/app/investor/profile/page.tsx
index 7a7082d..5583703 100644
--- a/src/app/investor/profile/page.tsx
+++ b/src/app/investor/profile/page.tsx
@@ -50,6 +50,8 @@ export default function InvestorProfilePage() {
   const [showPassword, setShowPassword] = useState({ current: false, new: false, confirm: false });
   const [passwordForm, setPasswordForm] = useState({ current: '', new: '', confirm: '' });
   const [twoFactorEnabled, setTwoFactorEnabled] = useState(false);
+  const [showUploadDocModal, setShowUploadDocModal] = useState(false);
+  const [uploadDocForm, setUploadDocForm] = useState({ docType: '', docNumber: '', docFile: null as File | null });
 
   const [showAddBankModal, setShowAddBankModal] = useState(false);
   const [showEditBankModal, setShowEditBankModal] = useState(false);
@@ -122,36 +124,36 @@ export default function InvestorProfilePage() {
   ];
 
   return (
-    <div className="p-4 lg:p-6 bg-slate-50 min-h-screen">
+    <div className="p-4 sm:p-5 bg-slate-50 min-h-screen">
       <div className="max-w-8xl mx-auto">
         {/* Profile Header */}
-        <div className="bg-white rounded-xl shadow-sm border border-slate-100 overflow-hidden mb-6">
-          <div className="p-5 flex flex-col lg:flex-row items-start gap-5">
-            <div className="relative group">
-              <div className="w-20 h-20 rounded-full bg-gradient-to-br from-purple-500 to-blue-500 flex items-center justify-center shadow-lg">
-                <span className="text-2xl font-bold text-white">{investor.name.charAt(0)}</span>
+        <div className="bg-white rounded-xl shadow-sm border border-slate-100 overflow-hidden mb-4 sm:mb-6">
+          <div className="p-4 sm:p-5 flex flex-col sm:flex-row items-start gap-4 sm:gap-5">
+            <div className="relative group shrink-0">
+              <div className="w-16 h-16 sm:w-20 sm:h-20 rounded-full bg-gradient-to-br from-purple-500 to-blue-500 flex items-center justify-center shadow-lg">
+                <span className="text-xl sm:text-2xl font-bold text-white">{investor.name.charAt(0)}</span>
               </div>
-              <label className="absolute bottom-0 right-0 w-8 h-8 bg-blue-600 rounded-full flex items-center justify-center cursor-pointer opacity-0 group-hover:opacity-100 transition-opacity shadow-lg border-2 border-white">
-                <Camera className="w-4 h-4 text-white" />
+              <label className="absolute bottom-0 right-0 w-7 h-7 sm:w-8 sm:h-8 bg-blue-600 rounded-full flex items-center justify-center cursor-pointer opacity-0 group-hover:opacity-100 transition-opacity shadow-lg border-2 border-white">
+                <Camera className="w-3.5 h-3.5 sm:w-4 sm:h-4 text-white" />
                 <input type="file" accept="image/*" className="hidden" />
               </label>
             </div>
 
-            <div className="flex-1">
+            <div className="flex-1 w-full">
               <div className="flex flex-wrap items-center gap-2 mb-2">
-                <h1 className="text-2xl font-bold text-slate-800">{investor.name}</h1>
-                <span className={`px-2.5 py-1 rounded-full text-xs font-medium ${investor.kycStatus === 'verified' ? 'bg-green-100 text-green-700' : 'bg-amber-100 text-amber-700'}`}>
+                <h1 className="text-xl sm:text-2xl font-bold text-slate-800">{investor.name}</h1>
+                <span className={`px-2 py-0.5 sm:px-2.5 sm:py-1 rounded-full text-xs font-medium ${investor.kycStatus === 'verified' ? 'bg-green-100 text-green-700' : 'bg-amber-100 text-amber-700'}`}>
                   <ShieldCheck className="w-3 h-3 inline mr-1" /> KYC {investor.kycStatus}
                 </span>
-                <span className={`px-2.5 py-1 rounded-full text-xs font-medium ${investor.status === 'active' ? 'bg-green-100 text-green-700' : 'bg-slate-100 text-slate-500'}`}>
+                <span className={`px-2 py-0.5 sm:px-2.5 sm:py-1 rounded-full text-xs font-medium ${investor.status === 'active' ? 'bg-green-100 text-green-700' : 'bg-slate-100 text-slate-500'}`}>
                   {investor.status}
                 </span>
-                <span className={`px-2.5 py-1 rounded-full text-xs font-medium ${investor.riskLevel === 'low' ? 'bg-green-100 text-green-700' : investor.riskLevel === 'medium' ? 'bg-amber-100 text-amber-700' : 'bg-red-100 text-red-700'}`}>
+                <span className={`px-2 py-0.5 sm:px-2.5 sm:py-1 rounded-full text-xs font-medium ${investor.riskLevel === 'low' ? 'bg-green-100 text-green-700' : investor.riskLevel === 'medium' ? 'bg-amber-100 text-amber-700' : 'bg-red-100 text-red-700'}`}>
                   Risk: {investor.riskLevel}
                 </span>
               </div>
-              <p className="text-sm text-slate-500 mb-2">{investor.id} &bull; {investor.email}</p>
-              <div className="flex flex-wrap items-center gap-2">
+              <p className="text-xs sm:text-sm text-slate-500 mb-2">{investor.id} &bull; {investor.email}</p>
+              <div className="flex flex-wrap items-center gap-x-3 gap-y-1">
                 <span className="text-xs font-medium px-2 py-0.5 rounded bg-purple-50 text-purple-700">Ref: {investor.referralCode}</span>
                 <span className="text-xs text-slate-400">{investor.totalReferrals} Referrals</span>
                 <span className="text-xs text-slate-400">&bull; {investor.investments?.length || 0} Investments</span>
@@ -160,55 +162,56 @@ export default function InvestorProfilePage() {
             </div>
           </div>
 
-          <div className="border-t border-slate-100 grid grid-cols-2 md:grid-cols-6 divide-x divide-slate-100 bg-slate-50/50">
-            <div className="p-4 text-center">
+          <div className="border-t border-slate-100 grid grid-cols-2 sm:grid-cols-3 lg:grid-cols-6 divide-x divide-slate-100 bg-slate-50/50">
+            <div className="p-3 sm:p-4 text-center">
               <p className="text-xs text-purple-600 font-medium">Invested</p>
-              <p className="text-lg font-bold text-slate-800">৳{investor.totalInvested.toLocaleString()}</p>
+              <p className="text-base sm:text-lg font-bold text-slate-800">৳{investor.totalInvested.toLocaleString()}</p>
             </div>
-            <div className="p-4 text-center">
+            <div className="p-3 sm:p-4 text-center">
               <p className="text-xs text-green-600 font-medium">Earnings</p>
-              <p className="text-lg font-bold text-green-600">৳{investor.totalEarnings.toLocaleString()}</p>
+              <p className="text-base sm:text-lg font-bold text-green-600">৳{investor.totalEarnings.toLocaleString()}</p>
             </div>
-            <div className="p-4 text-center">
+            <div className="p-3 sm:p-4 text-center">
               <p className="text-xs text-slate-600 font-medium">Withdrawn</p>
-              <p className="text-lg font-bold text-slate-800">৳{investor.totalWithdrawn.toLocaleString()}</p>
+              <p className="text-base sm:text-lg font-bold text-slate-800">৳{investor.totalWithdrawn.toLocaleString()}</p>
             </div>
-            <div className="p-4 text-center bg-white border-x border-slate-100">
+            <div className="p-3 sm:p-4 text-center bg-white border-x border-slate-100">
               <p className="text-xs text-investor font-medium">Balance</p>
-              <p className="text-lg font-bold text-investor">৳{currentBalance.toLocaleString()}</p>
+              <p className="text-base sm:text-lg font-bold text-investor">৳{currentBalance.toLocaleString()}</p>
             </div>
-            <div className="p-4 text-center">
+            <div className="p-3 sm:p-4 text-center">
               <p className="text-xs text-slate-600 font-medium">Bikes</p>
-              <p className="text-lg font-bold text-slate-800">{investor.activeBikes}</p>
+              <p className="text-base sm:text-lg font-bold text-slate-800">{investor.activeBikes}</p>
             </div>
-            <div className="p-4 text-center">
+            <div className="p-3 sm:p-4 text-center">
               <p className="text-xs text-amber-600 font-medium">Pending</p>
-              <p className="text-lg font-bold text-amber-600">৳{investor.pendingEarnings.toLocaleString()}</p>
+              <p className="text-base sm:text-lg font-bold text-amber-600">৳{investor.pendingEarnings.toLocaleString()}</p>
             </div>
           </div>
         </div>
 
         {/* Tabs */}
-        <div className="bg-white rounded-xl shadow-sm border border-slate-100 mb-6">
-          <div className="border-b border-slate-100 flex overflow-x-auto">
+        <div className="bg-white rounded-xl shadow-sm border border-slate-100 mb-4 sm:mb-6">
+          <div className="border-b border-slate-100 p-2 flex overflow-x-auto scrollbar-hide justify-between sm:justify-start sm:gap-2 gap-auto ">
             {tabs.map(tab => {
               const Icon = tab.icon;
               return (
                 <button
                   key={tab.id}
                   onClick={() => setActiveTab(tab.id)}
-                  className={`px-4 py-3 text-sm font-medium whitespace-nowrap flex items-center gap-2 ${activeTab === tab.id ? 'border-b-2 border-investor text-investor' : 'text-slate-500 hover:text-slate-700'}`}
+                  className={`shrink-0 flex items-center justify-center w-12 sm:w-auto px-3 sm:px-4 py-2.5 rounded-lg text-xs sm:text-sm font-medium transition-all ${activeTab === tab.id ? 'bg-investor text-white shadow-md' : 'text-slate-500 hover:bg-slate-100'}`}
                 >
-                  <Icon className="w-4 h-4" /> {tab.label}
+                  <Icon className="w-4 h-4 sm:mr-2" />
+                  <span className="hidden sm:inline">{tab.label}</span>
                 </button>
               );
             })}
           </div>
 
-          <div className="p-5">
+          <div className="p-4 sm:p-5">
             {/* Personal Info Tab */}
             {activeTab === 'personal' && (
-              <div className="flex gap-4">
+              <div className="flex flex-col lg:flex-row gap-4 lg:gap-6">
                 <div className="flex-1 space-y-4">
                   <SectionCard title="Personal Information" icon={User} headerBg="bg-emerald-50" headerBorder="border-emerald-100"
                     editKey="personal" editingSection={editingSection} setEditingSection={setEditingSection}
@@ -229,7 +232,7 @@ export default function InvestorProfilePage() {
                     })}
                     editForm={editForm} setEditForm={setEditForm}>
                     {editingSection === 'personal' ? (
-                      <div className="grid grid-cols-1 md:grid-cols-2 gap-3">
+                      <div className="grid grid-cols-1 sm:grid-cols-2 gap-3">
                         <div>
                           <label className="text-xs text-slate-500 mb-1 block">Full Name</label>
                           <input type="text" value={editForm.fullName || ''} onChange={(e) => setEditForm({ ...editForm, fullName: e.target.value })} className="w-full px-3 py-2 border border-slate-200 rounded-lg text-sm" />
@@ -546,7 +549,7 @@ export default function InvestorProfilePage() {
 
             {/* Nominee Tab */}
             {activeTab === 'nominee' && (
-              <div className="flex gap-4">
+              <div className="flex flex-col lg:flex-row gap-4 lg:gap-6">
                 <div className="flex-1">
                   <SectionCard title="Nominee Details" icon={Heart} headerBg="bg-orange-50" headerBorder="border-orange-100"
                     editKey="nominee" editingSection={editingSection} setEditingSection={setEditingSection}
@@ -844,7 +847,7 @@ export default function InvestorProfilePage() {
                       ))}
                     </div>
 
-                    <button className="w-full py-3 border-2 border-dashed border-slate-200 rounded-lg text-slate-500 hover:border-investor hover:text-investor transition-colors flex items-center justify-center gap-2">
+                    <button onClick={() => setShowUploadDocModal(true)} className="w-full py-3 border-2 border-dashed border-slate-200 rounded-lg text-slate-500 hover:border-investor hover:text-investor transition-colors flex items-center justify-center gap-2">
                       <Upload className="w-4 h-4" /> Upload Document
                     </button>
                   </div>
@@ -854,7 +857,7 @@ export default function InvestorProfilePage() {
 
             {/* Security Tab */}
             {activeTab === 'security' && (
-              <div className="grid lg:grid-cols-2 gap-6">
+              <div className="grid md:grid-cols-2 gap-6">
                 <div className="space-y-4">
                   <SectionCard title="Change Password" icon={Lock} headerBg="bg-slate-50" headerBorder="border-slate-100">
                     <div className="space-y-4">
@@ -1101,6 +1104,92 @@ export default function InvestorProfilePage() {
           </div>
         </div>
       )}
+
+      {showUploadDocModal && (
+        <div className="fixed inset-0 bg-black/50 flex items-center justify-center z-50 p-4">
+          <div className="bg-white rounded-xl shadow-xl w-full max-w-md">
+            <div className="p-5 border-b border-slate-100 flex items-center justify-between">
+              <h3 className="text-lg font-bold text-slate-800">Upload Document</h3>
+              <button onClick={() => setShowUploadDocModal(false)} className="p-1.5 hover:bg-slate-100 rounded-lg">
+                <X className="w-5 h-5 text-slate-400" />
+              </button>
+            </div>
+            <div className="p-5 space-y-4">
+              <div>
+                <label className="text-xs text-slate-500 mb-1 block">Document Type *</label>
+                <select
+                  value={uploadDocForm.docType}
+                  onChange={(e) => setUploadDocForm({ ...uploadDocForm, docType: e.target.value })}
+                  className="w-full px-3 py-2.5 border border-slate-200 rounded-lg text-sm bg-white"
+                >
+                  <option value="">Select Document Type</option>
+                  <option value="nid">National ID (NID)</option>
+                  <option value="passport">Passport</option>
+                  <option value="driving_license">Driving License</option>
+                  <option value="tax_certificate">Tax Certificate</option>
+                  <option value="birth_certificate">Birth Certificate</option>
+                </select>
+              </div>
+              <div>
+                <label className="text-xs text-slate-500 mb-1 block">Document Number</label>
+                <input
+                  type="text"
+                  value={uploadDocForm.docNumber}
+                  onChange={(e) => setUploadDocForm({ ...uploadDocForm, docNumber: e.target.value })}
+                  className="w-full px-3 py-2 border border-slate-200 rounded-lg text-sm"
+                  placeholder="Enter document number"
+                />
+              </div>
+              <div>
+                <label className="text-xs text-slate-500 mb-1 block">Upload File *</label>
+                <div className="border-2 border-dashed border-slate-200 rounded-lg p-6 text-center hover:border-investor transition-colors cursor-pointer"
+                  onClick={() => document.getElementById('docFileInput')?.click()}
+                >
+                  {uploadDocForm.docFile ? (
+                    <div className="flex items-center justify-center gap-2 text-green-600">
+                      <FileText className="w-5 h-5" />
+                      <span className="text-sm font-medium">{uploadDocForm.docFile.name}</span>
+                    </div>
+                  ) : (
+                    <>
+                      <Upload className="w-8 h-8 mx-auto mb-2 text-slate-300" />
+                      <p className="text-sm text-slate-500">Click to upload or drag and drop</p>
+                      <p className="text-xs text-slate-400 mt-1">PDF, JPG, PNG (max 5MB)</p>
+                    </>
+                  )}
+                  <input
+                    id="docFileInput"
+                    type="file"
+                    accept=".pdf,.jpg,.jpeg,.png"
+                    className="hidden"
+                    onChange={(e) => {
+                      const file = e.target.files?.[0];
+                      if (file) setUploadDocForm({ ...uploadDocForm, docFile: file });
+                    }}
+                  />
+                </div>
+              </div>
+            </div>
+            <div className="p-5 border-t border-slate-100 flex justify-end gap-3 bg-slate-50">
+              <button onClick={() => setShowUploadDocModal(false)} className="px-4 py-2 border border-slate-200 text-slate-600 rounded-lg text-sm font-medium hover:bg-white">Cancel</button>
+              <button
+                onClick={() => {
+                  if (!uploadDocForm.docType || !uploadDocForm.docFile) {
+                    toast.error('Please fill all required fields');
+                    return;
+                  }
+                  toast.success('Document uploaded successfully!');
+                  setShowUploadDocModal(false);
+                  setUploadDocForm({ docType: '', docNumber: '', docFile: null });
+                }}
+                className="px-4 py-2 bg-investor text-white rounded-lg text-sm font-medium hover:bg-investor-dark"
+              >
+                Upload
+              </button>
+            </div>
+          </div>
+        </div>
+      )}
     </div>
   );
 }
\ No newline at end of file