diff --git a/src/components/MobileCalculator.tsx b/src/components/MobileCalculator.tsx
index b264c70..51f5e5c 100644
--- a/src/components/MobileCalculator.tsx
+++ b/src/components/MobileCalculator.tsx
@@ -6,6 +6,7 @@ import { calculateTripCarbon, calculateCarbonFromFuel } from '../utils/carbonCal
 import { currencies, formatCurrency, getCurrencyByCode } from '../utils/currencies';
 import { CurrencySelect } from './CurrencySelect';
 import { PWAInstallPrompt } from './PWAInstallPrompt';
+import { MobileOffsetOrder } from './MobileOffsetOrder';
 
 interface Props {
   vesselData: VesselData;
@@ -25,6 +26,9 @@ export function MobileCalculator({ vesselData, onOffsetClick, onBack }: Props) {
   const [offsetPercentage, setOffsetPercentage] = useState<number>(100);
   const [customPercentage, setCustomPercentage] = useState<string>('');
   const [customAmount, setCustomAmount] = useState<string>('');
+  const [showOffsetOrder, setShowOffsetOrder] = useState(false);
+  const [offsetTons, setOffsetTons] = useState(0);
+  const [monetaryAmount, setMonetaryAmount] = useState<number | undefined>();
 
   const handleCalculate = useCallback((e: React.FormEvent) => {
     e.preventDefault();
@@ -79,6 +83,17 @@ export function MobileCalculator({ vesselData, onOffsetClick, onBack }: Props) {
     { id: 'custom', icon: DollarSign, label: 'Custom Amount', color: 'purple' }
   ];
 
+  if (showOffsetOrder) {
+    return (
+      <MobileOffsetOrder
+        tons={offsetTons}
+        monetaryAmount={monetaryAmount}
+        currency={currency}
+        onBack={() => setShowOffsetOrder(false)}
+      />
+    );
+  }
+
   return (
     <div className="min-h-screen bg-gradient-to-br from-slate-50 via-blue-50 to-cyan-50">
       {/* Mobile Header */}
@@ -210,7 +225,11 @@ export function MobileCalculator({ vesselData, onOffsetClick, onBack }: Props) {
 
                 {customAmount && Number(customAmount) > 0 && (
                   <motion.button 
-                    onClick={() => onOffsetClick?.(0, Number(customAmount))}
+                    onClick={() => {
+                      setOffsetTons(0);
+                      setMonetaryAmount(Number(customAmount));
+                      setShowOffsetOrder(true);
+                    }}
                     className="w-full mt-6 bg-gradient-to-r from-blue-500 to-blue-600 text-white py-4 px-6 rounded-xl font-semibold text-lg shadow-md hover:shadow-lg transition-all"
                     whileHover={{ scale: 1.02 }}
                     whileTap={{ scale: 0.98 }}
@@ -435,7 +454,11 @@ export function MobileCalculator({ vesselData, onOffsetClick, onBack }: Props) {
                 </div>
 
                 <button 
-                  onClick={() => onOffsetClick?.(calculateOffsetAmount(tripEstimate.co2Emissions, offsetPercentage))}
+                  onClick={() => {
+                    setOffsetTons(calculateOffsetAmount(tripEstimate.co2Emissions, offsetPercentage));
+                    setMonetaryAmount(undefined);
+                    setShowOffsetOrder(true);
+                  }}
                   className="w-full bg-gradient-to-r from-green-500 to-green-600 text-white py-4 px-6 rounded-xl font-semibold text-lg shadow-md hover:shadow-lg transition-all"
                 >
                   Offset Your Impact
diff --git a/src/components/MobileOffsetOrder.tsx b/src/components/MobileOffsetOrder.tsx
new file mode 100644
index 0000000..1b69a02
--- /dev/null
+++ b/src/components/MobileOffsetOrder.tsx
@@ -0,0 +1,375 @@
+import React, { useState } from 'react';
+import { Check, ArrowLeft, Loader2, CreditCard, User, Mail, Phone } from 'lucide-react';
+import { motion, AnimatePresence } from 'framer-motion';
+import type { CurrencyCode } from '../types';
+import { currencies, formatCurrency, getCurrencyByCode } from '../utils/currencies';
+
+interface Props {
+  tons: number;
+  monetaryAmount?: number;
+  currency: CurrencyCode;
+  onBack: () => void;
+}
+
+export function MobileOffsetOrder({ tons, monetaryAmount, currency, onBack }: Props) {
+  const [currentStep, setCurrentStep] = useState<'summary' | 'payment' | 'confirmation'>('summary');
+  const [loading, setLoading] = useState(false);
+  const [orderData, setOrderData] = useState({
+    name: '',
+    email: '',
+    phone: ''
+  });
+
+  // Calculate cost (using dummy pricing)
+  const pricePerTon = 18; // $18 per ton
+  const totalCost = monetaryAmount || (tons * pricePerTon);
+  const targetCurrency = getCurrencyByCode(currency);
+
+  const handleInputChange = (field: keyof typeof orderData, value: string) => {
+    setOrderData(prev => ({ ...prev, [field]: value }));
+  };
+
+  const handleProceedToPayment = () => {
+    setCurrentStep('payment');
+  };
+
+  const handlePlaceOrder = async () => {
+    setLoading(true);
+    
+    // Simulate API call
+    await new Promise(resolve => setTimeout(resolve, 2000));
+    
+    setLoading(false);
+    setCurrentStep('confirmation');
+  };
+
+  const generateOrderId = () => {
+    return 'PO-' + Date.now().toString().slice(-8);
+  };
+
+  const renderSummaryStep = () => (
+    <motion.div
+      className="space-y-6"
+      initial={{ opacity: 0, x: 20 }}
+      animate={{ opacity: 1, x: 0 }}
+      exit={{ opacity: 0, x: -20 }}
+    >
+      <div className="bg-white rounded-2xl p-6 shadow-sm">
+        <h3 className="text-lg font-semibold mb-4">Offset Summary</h3>
+        
+        <div className="space-y-4">
+          <div className="flex justify-between items-center p-4 bg-blue-50 rounded-xl">
+            <div>
+              <div className="font-semibold text-blue-900">CO₂ to Offset</div>
+              <div className="text-sm text-blue-600">From your yacht emissions</div>
+            </div>
+            <div className="text-xl font-bold text-blue-900">
+              {tons.toFixed(2)} tons
+            </div>
+          </div>
+
+          <div className="flex justify-between items-center p-4 bg-green-50 rounded-xl">
+            <div>
+              <div className="font-semibold text-green-900">Price per Ton</div>
+              <div className="text-sm text-green-600">Verified carbon credits</div>
+            </div>
+            <div className="text-xl font-bold text-green-900">
+              {formatCurrency(pricePerTon, targetCurrency)}
+            </div>
+          </div>
+
+          <div className="border-t pt-4">
+            <div className="flex justify-between items-center">
+              <span className="text-lg font-semibold text-gray-900">Total Cost</span>
+              <span className="text-2xl font-bold text-gray-900">
+                {formatCurrency(totalCost, targetCurrency)}
+              </span>
+            </div>
+          </div>
+        </div>
+      </div>
+
+      <div className="bg-white rounded-2xl p-6 shadow-sm">
+        <h3 className="text-lg font-semibold mb-4">Your Details</h3>
+        
+        <div className="space-y-4">
+          <div>
+            <label className="block text-sm font-medium text-gray-700 mb-2">
+              <User size={16} className="inline mr-2" />
+              Full Name
+            </label>
+            <input
+              type="text"
+              value={orderData.name}
+              onChange={(e) => handleInputChange('name', e.target.value)}
+              placeholder="Enter your full name"
+              className="w-full py-3 px-4 border border-gray-300 rounded-xl focus:ring-2 focus:ring-blue-500 focus:border-transparent"
+              required
+            />
+          </div>
+
+          <div>
+            <label className="block text-sm font-medium text-gray-700 mb-2">
+              <Mail size={16} className="inline mr-2" />
+              Email Address
+            </label>
+            <input
+              type="email"
+              value={orderData.email}
+              onChange={(e) => handleInputChange('email', e.target.value)}
+              placeholder="Enter your email"
+              className="w-full py-3 px-4 border border-gray-300 rounded-xl focus:ring-2 focus:ring-blue-500 focus:border-transparent"
+              required
+            />
+          </div>
+
+          <div>
+            <label className="block text-sm font-medium text-gray-700 mb-2">
+              <Phone size={16} className="inline mr-2" />
+              Phone Number (Optional)
+            </label>
+            <input
+              type="tel"
+              value={orderData.phone}
+              onChange={(e) => handleInputChange('phone', e.target.value)}
+              placeholder="Enter your phone number"
+              className="w-full py-3 px-4 border border-gray-300 rounded-xl focus:ring-2 focus:ring-blue-500 focus:border-transparent"
+            />
+          </div>
+        </div>
+      </div>
+
+      <button
+        onClick={handleProceedToPayment}
+        disabled={!orderData.name || !orderData.email}
+        className="w-full bg-gradient-to-r from-blue-500 to-blue-600 text-white py-4 px-6 rounded-xl font-semibold text-lg shadow-md hover:shadow-lg transition-all disabled:opacity-50 disabled:cursor-not-allowed"
+      >
+        Proceed to Payment
+      </button>
+    </motion.div>
+  );
+
+  const renderPaymentStep = () => (
+    <motion.div
+      className="space-y-6"
+      initial={{ opacity: 0, x: 20 }}
+      animate={{ opacity: 1, x: 0 }}
+      exit={{ opacity: 0, x: -20 }}
+    >
+      <div className="bg-white rounded-2xl p-6 shadow-sm">
+        <h3 className="text-lg font-semibold mb-4 flex items-center">
+          <CreditCard size={20} className="mr-2" />
+          Payment Information
+        </h3>
+        
+        <div className="space-y-4">
+          <div>
+            <label className="block text-sm font-medium text-gray-700 mb-2">
+              Card Number
+            </label>
+            <input
+              type="text"
+              placeholder="1234 5678 9012 3456"
+              className="w-full py-3 px-4 border border-gray-300 rounded-xl focus:ring-2 focus:ring-blue-500 focus:border-transparent"
+            />
+          </div>
+
+          <div className="grid grid-cols-2 gap-4">
+            <div>
+              <label className="block text-sm font-medium text-gray-700 mb-2">
+                Expiry
+              </label>
+              <input
+                type="text"
+                placeholder="MM/YY"
+                className="w-full py-3 px-4 border border-gray-300 rounded-xl focus:ring-2 focus:ring-blue-500 focus:border-transparent"
+              />
+            </div>
+            <div>
+              <label className="block text-sm font-medium text-gray-700 mb-2">
+                CVV
+              </label>
+              <input
+                type="text"
+                placeholder="123"
+                className="w-full py-3 px-4 border border-gray-300 rounded-xl focus:ring-2 focus:ring-blue-500 focus:border-transparent"
+              />
+            </div>
+          </div>
+
+          <div>
+            <label className="block text-sm font-medium text-gray-700 mb-2">
+              Cardholder Name
+            </label>
+            <input
+              type="text"
+              value={orderData.name}
+              className="w-full py-3 px-4 border border-gray-300 rounded-xl bg-gray-50"
+              readOnly
+            />
+          </div>
+        </div>
+      </div>
+
+      <div className="bg-gray-50 rounded-2xl p-6">
+        <h4 className="font-semibold mb-3">Order Summary</h4>
+        <div className="space-y-2">
+          <div className="flex justify-between">
+            <span className="text-gray-600">CO₂ Offset:</span>
+            <span className="font-medium">{tons.toFixed(2)} tons</span>
+          </div>
+          <div className="flex justify-between">
+            <span className="text-gray-600">Total:</span>
+            <span className="font-bold text-lg">
+              {formatCurrency(totalCost, targetCurrency)}
+            </span>
+          </div>
+        </div>
+      </div>
+
+      <div className="grid grid-cols-2 gap-3">
+        <button
+          onClick={() => setCurrentStep('summary')}
+          className="py-3 px-4 border border-gray-300 text-gray-700 rounded-xl font-medium hover:bg-gray-50 transition-colors"
+        >
+          Back
+        </button>
+        <button
+          onClick={handlePlaceOrder}
+          disabled={loading}
+          className="py-3 px-4 bg-gradient-to-r from-green-500 to-green-600 text-white rounded-xl font-semibold hover:shadow-lg transition-all disabled:opacity-50"
+        >
+          {loading ? (
+            <div className="flex items-center justify-center">
+              <Loader2 className="animate-spin mr-2" size={20} />
+              Processing...
+            </div>
+          ) : (
+            'Place Order'
+          )}
+        </button>
+      </div>
+    </motion.div>
+  );
+
+  const renderConfirmationStep = () => (
+    <motion.div
+      className="space-y-6 text-center"
+      initial={{ opacity: 0, scale: 0.9 }}
+      animate={{ opacity: 1, scale: 1 }}
+      exit={{ opacity: 0, scale: 0.9 }}
+    >
+      <div className="bg-white rounded-2xl p-8 shadow-sm">
+        <div className="w-20 h-20 bg-green-100 rounded-full flex items-center justify-center mx-auto mb-6">
+          <Check className="text-green-500" size={40} />
+        </div>
+
+        <h3 className="text-2xl font-bold text-gray-900 mb-4">
+          Order Confirmed!
+        </h3>
+        
+        <p className="text-gray-600 mb-6">
+          Congratulations! You've successfully offset {tons.toFixed(2)} tons of CO₂ from your yacht emissions.
+        </p>
+
+        <div className="bg-gray-50 rounded-xl p-6 mb-6">
+          <h4 className="font-semibold mb-4">Order Details</h4>
+          <div className="space-y-3 text-left">
+            <div className="flex justify-between">
+              <span className="text-gray-600">Order ID:</span>
+              <span className="font-mono font-medium">{generateOrderId()}</span>
+            </div>
+            <div className="flex justify-between">
+              <span className="text-gray-600">CO₂ Offset:</span>
+              <span className="font-medium">{tons.toFixed(2)} tons</span>
+            </div>
+            <div className="flex justify-between">
+              <span className="text-gray-600">Amount Paid:</span>
+              <span className="font-medium">
+                {formatCurrency(totalCost, targetCurrency)}
+              </span>
+            </div>
+            <div className="flex justify-between">
+              <span className="text-gray-600">Email:</span>
+              <span className="font-medium">{orderData.email}</span>
+            </div>
+          </div>
+        </div>
+
+        <div className="bg-blue-50 rounded-xl p-4 mb-6">
+          <p className="text-sm text-blue-800">
+            📧 A confirmation email has been sent to {orderData.email} with your certificate and receipt.
+          </p>
+        </div>
+      </div>
+
+      <button
+        onClick={onBack}
+        className="w-full bg-gradient-to-r from-blue-500 to-blue-600 text-white py-4 px-6 rounded-xl font-semibold text-lg shadow-md hover:shadow-lg transition-all"
+      >
+        Back to Calculator
+      </button>
+    </motion.div>
+  );
+
+  return (
+    <div className="min-h-screen bg-gradient-to-br from-slate-50 via-blue-50 to-cyan-50">
+      {/* Mobile Header */}
+      <motion.header 
+        className="bg-white/80 backdrop-blur-md shadow-sm sticky top-0 z-50"
+        initial={{ y: -100 }}
+        animate={{ y: 0 }}
+        transition={{ duration: 0.3 }}
+      >
+        <div className="flex items-center justify-between p-4">
+          <motion.button
+            onClick={currentStep === 'confirmation' ? onBack : () => {
+              if (currentStep === 'payment') {
+                setCurrentStep('summary');
+              } else {
+                onBack();
+              }
+            }}
+            className="p-2 rounded-xl bg-gray-100 hover:bg-gray-200 transition-colors"
+            whileHover={{ scale: 1.05 }}
+            whileTap={{ scale: 0.95 }}
+          >
+            <ArrowLeft size={20} />
+          </motion.button>
+          
+          <div className="flex items-center space-x-3">
+            <h1 className="text-lg font-bold text-gray-900">
+              {currentStep === 'summary' ? 'Order Summary' : 
+               currentStep === 'payment' ? 'Payment' : 
+               'Order Confirmed'}
+            </h1>
+          </div>
+          
+          <div className="w-10"></div> {/* Spacer */}
+        </div>
+
+        {/* Progress Bar */}
+        {currentStep !== 'confirmation' && (
+          <div className="px-4 pb-3">
+            <div className="flex items-center space-x-2">
+              <div className={`flex-1 h-2 rounded-full ${
+                currentStep === 'summary' ? 'bg-blue-200' : 'bg-blue-500'
+              }`} />
+              <div className={`flex-1 h-2 rounded-full ${
+                currentStep === 'payment' ? 'bg-blue-500' : 'bg-gray-200'
+              }`} />
+            </div>
+          </div>
+        )}
+      </motion.header>
+
+      <div className="p-4 pb-20">
+        <AnimatePresence mode="wait">
+          {currentStep === 'summary' && renderSummaryStep()}
+          {currentStep === 'payment' && renderPaymentStep()}
+          {currentStep === 'confirmation' && renderConfirmationStep()}
+        </AnimatePresence>
+      </div>
+    </div>
+  );
+}