Update src/app/page.tsx

src/app/page.tsx

@@ -11,8 +11,29 @@ import FaqBase from '@/components/sections/faq/FaqBase';
 import ContactCenter from '@/components/sections/contact/ContactCenter';
 import FooterBase from '@/components/sections/footer/FooterBase';
 import { Calendar, Zap, Lightbulb, Home, Sun, TrendingUp, HelpCircle, Mail } from 'lucide-react';
+import { useState } from 'react';
+import Input from '@/components/form/Input';
 
 export default function LandingPage() {
+  const [billValue, setBillValue] = useState('');
+  const [showCalculator, setShowCalculator] = useState(false);
+
+  const calculateSavings = () => {
+    const monthlyBill = parseFloat(billValue);
+    if (isNaN(monthlyBill) || monthlyBill <= 0) {
+      return null;
+    }
+    // Estimate 70% savings with Eletrotech solar panels
+    const monthlySavings = monthlyBill * 0.70;
+    const yearlySavings = monthlySavings * 12;
+    return {
+      monthly: monthlySavings.toFixed(2),
+      yearly: yearlySavings.toFixed(2)
+    };
+  };
+
+  const savings = calculateSavings();
+
   return (
     <ThemeProvider
       defaultButtonVariant="icon-arrow"
@@ -53,7 +74,7 @@ export default function LandingPage() {
             { src: "https://webuild-dev.s3.eu-north-1.amazonaws.com/users/user_3AleAYJVuZaVjviN7tEK4F5SJ6k/professional-headshot-of-another-satisfi-1773171517163-b04595bc.png", alt: "Cliente Eletrosolartec" }
           ]}
           buttons={[
-            { text: "Gerar Orçamento Grátis", href: "contact" },
+            { text: "Simule A sua Economia Grátis", onClick: () => setShowCalculator(!showCalculator) },
             { text: "Saiba Mais", href: "about" }
           ]}
           imageSrc="https://webuild-dev.s3.eu-north-1.amazonaws.com/users/user_3AleAYJVuZaVjviN7tEK4F5SJ6k/modern-solar-photovoltaic-panels-install-1773171517232-83f497e5.png"
@@ -67,6 +88,54 @@ export default function LandingPage() {
         />
       </div>
 
+      {showCalculator && (
+        <div id="calculator" data-section="calculator" className="py-16 px-6 bg-card rounded-lg max-w-2xl mx-auto">
+          <div className="text-center mb-8">
+            <h2 className="text-3xl font-bold mb-4">Calculadora de Economia Solar</h2>
+            <p className="text-foreground opacity-75">Digite sua conta de energia atual e veja quanto você pode economizar com painéis solares Eletrotech</p>
+          </div>
+          
+          <div className="space-y-6">
+            <div>
+              <label className="block text-sm font-medium mb-2">Sua Conta de Energia Mensal (R$)</label>
+              <Input
+                value={billValue}
+                onChange={setBillValue}
+                type="number"
+                placeholder="Ex: 250.00"
+                required
+              />
+            </div>
+
+            {savings && (
+              <div className="bg-background rounded-lg p-6 border border-accent">
+                <h3 className="text-xl font-semibold mb-4">Sua Economia Estimada com Eletrotech</h3>
+                <div className="grid grid-cols-2 gap-4">
+                  <div className="text-center p-4 bg-card rounded-lg">
+                    <p className="text-sm text-foreground opacity-75 mb-2">Economia Mensal</p>
+                    <p className="text-2xl font-bold text-primary-cta">R$ {savings.monthly}</p>
+                  </div>
+                  <div className="text-center p-4 bg-card rounded-lg">
+                    <p className="text-sm text-foreground opacity-75 mb-2">Economia Anual</p>
+                    <p className="text-2xl font-bold text-primary-cta">R$ {savings.yearly}</p>
+                  </div>
+                </div>
+                <p className="text-xs text-foreground opacity-60 mt-4 text-center">
+                  *Estimativa baseada em 70% de redução com sistemas solares Eletrotech. Consulte nossos especialistas para análise personalizada.
+                </p>
+              </div>
+            )}
+
+            <button
+              onClick={() => setShowCalculator(false)}
+              className="w-full py-3 px-4 bg-primary-cta text-primary-cta-text rounded-lg font-medium hover:opacity-90 transition-opacity"
+            >
+              Fechar Calculadora
+            </button>
+          </div>
+        </div>
+      )}
+
       <div id="about" data-section="about">
         <TextSplitAbout
           title="Sobre EletroTech"