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<!DOCTYPE html>
<html lang="it">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Calcolatore Prezzi Avanzato - Servizi Digitali</title>
  <script src="https://cdn.tailwindcss.com"></script>
  <link rel="preconnect" href="https://fonts.googleapis.com">
  <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
  <link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap"
    rel="stylesheet">
  <style>
    :root {
      --primary-color: #2563eb;
      --primary-hover: #1d4ed8;
      --bg-color: #f8fafc;
      --text-color: #0f172a;
    }

    body {
      font-family: 'Inter', sans-serif;
      background-color: var(--bg-color);
      color: var(--text-color);
      scroll-behavior: smooth;
    }

    ::-webkit-scrollbar {
      width: 8px;
    }

    ::-webkit-scrollbar-track {
      background: #f1f1f1;
    }

    ::-webkit-scrollbar-thumb {
      background: #cbd5e1;
      border-radius: 4px;
    }

    ::-webkit-scrollbar-thumb:hover {
      background: #94a3b8;
    }

    .price-card {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      border: 1px solid #e2e8f0;
      position: relative;
      overflow: hidden;
    }

    .price-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
      border-color: #cbd5e1;
    }

    .price-card.selected {
      border-color: var(--primary-color);
      box-shadow: 0 0 0 2px var(--primary-color);
      background-color: #eff6ff;
      transform: scale(1.02);
      z-index: 10;
    }

    .check-icon {
      opacity: 0;
      transform: scale(0.5);
      transition: all 0.3s ease;
      position: absolute;
      top: 1rem;
      right: 1rem;
      background-color: var(--primary-color);
      color: white;
      border-radius: 50%;
      width: 24px;
      height: 24px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
    }

    .price-card.selected .check-icon {
      opacity: 1;
      transform: scale(1);
    }

    .custom-input {
      background-color: #fff;
      border: 1px solid #cbd5e1;
      border-radius: 0.5rem;
      padding: 0.5rem 1rem;
      transition: all 0.2s;
      width: 100%;
    }

    .custom-input:focus {
      outline: none;
      border-color: var(--primary-color);
      box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    }

    input[type=range] {
      -webkit-appearance: none;
      width: 100%;
      background: transparent;
    }

    input[type=range]::-webkit-slider-thumb {
      -webkit-appearance: none;
      height: 24px;
      width: 24px;
      border-radius: 50%;
      background: var(--primary-color);
      cursor: pointer;
      margin-top: -10px;
      box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
      transition: transform 0.1s;
    }

    input[type=range]::-webkit-slider-thumb:hover {
      transform: scale(1.1);
    }

    input[type=range]::-webkit-slider-runnable-track {
      width: 100%;
      height: 4px;
      cursor: pointer;
      background: #e2e8f0;
      border-radius: 2px;
    }

    input[type=range]::-moz-range-thumb {
      height: 24px;
      width: 24px;
      border: none;
      border-radius: 50%;
      background: var(--primary-color);
      cursor: pointer;
      box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    }

    input[type=range]::-moz-range-track {
      width: 100%;
      height: 4px;
      cursor: pointer;
      background: #e2e8f0;
      border-radius: 2px;
    }

    .feature-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .feature-list li {
      display: flex;
      align-items: flex-start;
      margin-bottom: 0.5rem;
      font-size: 0.9rem;
      line-height: 1.5;
      color: #475569;
    }

    .feature-list li::before {
      content: '✓';
      color: var(--primary-color);
      font-weight: 700;
      margin-right: 0.5rem;
      flex-shrink: 0;
      font-size: 1rem;
    }

    .feature-list li.highlight {
      font-weight: 600;
      color: #1e293b;
    }

    .price-update-anim {
      animation: pulse-green 0.5s ease-in-out;
    }

    @keyframes pulse-green {
      0% {
        color: inherit;
      }

      50% {
        color: #16a34a;
      }

      100% {
        color: inherit;
      }
    }

    /* Simulator Styles */
    .simulator-card {
      background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
      border-radius: 1.5rem;
      overflow: hidden;
      position: relative;
    }

    .simulator-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: linear-gradient(90deg, #3b82f6, #8b5cf6, #ec4899);
    }

    .stat-card {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 1rem;
      backdrop-filter: blur(10px);
      transition: all 0.3s ease;
    }

    .stat-card:hover {
      background: rgba(255, 255, 255, 0.08);
      transform: translateY(-2px);
    }

    .progress-ring {
      transform: rotate(-90deg);
    }

    .progress-ring-circle {
      transition: stroke-dashoffset 0.5s ease;
    }

    .timeline-bar {
      height: 8px;
      border-radius: 4px;
      background: #e2e8f0;
      overflow: hidden;
    }

    .timeline-progress {
      height: 100%;
      border-radius: 4px;
      background: linear-gradient(90deg, #3b82f6, #8b5cf6);
      transition: width 0.5s ease;
    }

    .growth-indicator {
      animation: float 3s ease-in-out infinite;
    }

    @keyframes float {

      0%,
      100% {
        transform: translateY(0);
      }

      50% {
        transform: translateY(-10px);
      }
    }

    .pulse-dot {
      animation: pulse 2s infinite;
    }

    @keyframes pulse {

      0%,
      100% {
        transform: scale(1);
        opacity: 1;
      }

      50% {
        transform: scale(1.5);
        opacity: 0.5;
      }
    }

    .chart-bar {
      transition: height 0.5s ease;
    }

    .fade-in {
      animation: fadeIn 0.5s ease forwards;
    }

    @keyframes fadeIn {
      from {
        opacity: 0;
        transform: translateY(20px);
      }

      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .stagger-1 {
      animation-delay: 0.1s;
    }

    .stagger-2 {
      animation-delay: 0.2s;
    }

    .stagger-3 {
      animation-delay: 0.3s;
    }

    .stagger-4 {
      animation-delay: 0.4s;
    }
  </style>
</head>

<body class="antialiased selection:bg-blue-100 selection:text-blue-900">

  <!-- Navigation / Branding -->
  <nav class="bg-white/80 backdrop-blur-md border-b border-gray-200 sticky top-0 z-50">
    <div class="container mx-auto px-6 py-4 flex justify-between items-center">
      <div class="flex items-center space-x-2">
        <div class="w-8 h-8 bg-blue-600 rounded-lg flex items-center justify-center text-white font-bold text-lg">D
        </div>
        <span class="text-xl font-bold text-gray-900 tracking-tight">DigitalGrowth<span class="text-blue-600">Calc</span></span>
      </div>
      <div class="text-sm font-medium text-gray-500">
        <a href="https://huggingface.co/spaces/akhaliq/anycoder" target="_blank"
          class="hover:text-blue-600 transition-colors">Built with anycoder</a>
      </div>
    </div>
  </nav>

  <header class="bg-gradient-to-b from-white to-blue-50/50 py-16 md:py-24 border-b border-gray-100">
    <div class="container mx-auto px-6 text-center max-w-4xl">
      <span class="inline-block py-1 px-3 rounded-full bg-blue-100 text-blue-700 text-xs font-bold tracking-wide uppercase mb-4">Preventivo 2024</span>
      <h1 class="text-4xl md:text-6xl font-extrabold text-gray-900 mb-6 leading-tight tracking-tight">
        Calcolatore di
        <span class="text-transparent bg-clip-text bg-gradient-to-r from-blue-600 to-indigo-600">Investimento Digitale</span>
      </h1>
      <p class="text-lg md:text-xl text-gray-600 max-w-2xl mx-auto leading-relaxed">
        Configura il tuo piano di crescita su misura. Scegli il pacchetto, stima le performance e ottieni un preventivo
        istantaneo.
      </p>
    </div>
  </header>

  <main class="container mx-auto px-4 md:px-6 py-12 max-w-7xl">

    <!-- SECTION 1: PACKAGES -->
    <section class="mb-20">
      <div class="flex flex-col md:flex-row justify-between items-end mb-10 gap-4">
        <div>
          <h2 class="text-3xl font-bold text-gray-900">1. Scegli il tuo Pacchetto Base</h2>
          <p class="text-gray-500 mt-2">Seleziona il livello di servizio adatto alle tue esigenze.</p>
        </div>
      </div>

      <div class="grid md:grid-cols-2 lg:grid-cols-3 gap-8">

        <!-- STANDARD CARD -->
        <div class="price-card bg-white rounded-2xl p-8 cursor-pointer group" onclick="selectPackage('Standard', 2500, this)">
          <div class="check-icon"></div>
          <div class="mb-6">
            <h3 class="text-2xl font-bold text-gray-900">Standard</h3>
            <p class="text-gray-500 text-sm mt-1">Per chi inizia la crescita.</p>
          </div>
          <div class="flex items-baseline mb-8">
            <span class="text-4xl font-extrabold text-gray-900">€2.500</span>
            <span class="text-gray-500 ml-2 font-medium">una tantum</span>
          </div>

          <div class="space-y-4 mb-8">
            <div class="h-px bg-gray-100 w-full"></div>
            <ul class="feature-list space-y-3 max-h-[400px] overflow-y-auto pr-2 custom-scrollbar">
              <li class="highlight">Paid Search Competitor</li>
              <li class="highlight">Keyword Analysis & Planner</li>
              <li><strong>20-</strong> Editing (Copy/Headline)</li>
              <li><strong>4-</strong> Video per campagna</li>
              <li>Video Editor & Designer Dedicato</li>
              <li><strong>2-</strong> Ad Copy & Graphics</li>
              <li>Google Ads (Search & Video)</li>
              <li>Performance Max Campaign</li>
              <li>Configurazione Account & Analytics</li>
              <li>Targeting & Reporting</li>
              <li>Gestione Conversioni</li>
              <li>Creazione Contenuti Email</li>
              <li><strong>2-</strong> Landing Pages Sponsor</li>
              <li>Widget Integration (Survey & Form)</li>
              <li>Contest & Micro Influencer</li>
              <li class="mt-4 font-bold text-blue-800 text-sm uppercase tracking-wide">Performance Price Include:</li>
              <li>Demand Generation Campaign</li>
              <li>Sales & Customer Agent App</li>
            </ul>
          </div>
        </div>

        <!-- GOLD CARD -->
        <div
          class="price-card bg-white rounded-2xl p-8 cursor-pointer relative border-blue-600 ring-1 ring-blue-600 group"
          onclick="selectPackage('Gold', 3500, this)">
          <div class="absolute -top-4 left-1/2 -translate-x-1/2">
            <span class="bg-blue-600 text-white px-5 py-1.5 rounded-full text-sm font-bold tracking-wide shadow-lg shadow-blue-600/30">Consigliato</span>
          </div>
          <div class="check-icon"></div>
          <div class="mb-6">
            <h3 class="text-2xl font-bold text-gray-900">Gold</h3>
            <p class="text-gray-500 text-sm mt-1">Per accelerare le performance.</p>
          </div>
          <div class="flex items-baseline mb-8">
            <span class="text-4xl font-extrabold text-gray-900">€3.500</span>
            <span class="text-gray-500 ml-2 font-medium">una tantum</span>
          </div>

          <div class="space-y-4 mb-8">
            <div class="h-px bg-gray-100 w-full"></div>
            <ul class="feature-list space-y-3 max-h-[500px] overflow-y-auto pr-2 custom-scrollbar">
              <li class="font-bold text-blue-600">Tutto dello Standard, più:</li>
              <li><strong>30-</strong> Editing (Copy/Headline)</li>
              <li><strong>10-</strong> Video per campagna</li>
              <li><strong>3-</strong> Ad Copy & Graphics</li>
              <li>Google Shopping</li>
              <li>Integrazione Merchant Center</li>
              <li>Customer Match (con CRM)</li>
              <li>Email Marketing Aziendale</li>
              <li><strong>2-</strong> Multi Landing Pages & A/B Test</li>
              <li><strong>1-</strong> Store eCommerce Landing</li>
              <li>Plugin Loyalty & Referral</li>
              <li>Contest + Professional Influencer</li>
              <li>CSR: Web Disclosure & Impact</li>
              <li class="mt-4 font-bold text-blue-800 text-sm uppercase tracking-wide">Performance Price Include:</li>
              <li>ML Analytics Application</li>
              <li>Customer Advanced Data Analytics</li>
              <li>Market & Competitive Intelligence</li>
              <li class="font-semibold text-gray-800">Advanced Program (1 incluso):</li>
              <li>a. Referral Martech App</li>
              <li>b. Loyalty Program</li>
              <li>c. Social Coalition Loyalty</li>
              <li>d. Cause Related Marketing</li>
              <li>e. Affiliation Management</li>
              <li>f. Influencer Management</li>
            </ul>
          </div>
        </div>

        <!-- PLATINUM CARD -->
        <div class="price-card bg-white rounded-2xl p-8 cursor-pointer group" onclick="selectPackage('Platinum', 5000, this)">
          <div class="check-icon"></div>
          <div class="mb-6">
            <h3 class="text-2xl font-bold text-gray-900">Platinum</h3>
            <p class="text-gray-500 text-sm mt-1">Soluzione completa di dominio.</p>
          </div>
          <div class="flex items-baseline mb-8">
            <span class="text-4xl font-extrabold text-gray-900">€5.000</span>
            <span class="text-gray-500 ml-2 font-medium">una tantum</span>
          </div>

          <div class="space-y-4 mb-8">
            <div class="h-px bg-gray-100 w-full"></div>
            <ul class="feature-list space-y-3 max-h-[500px] overflow-y-auto pr-2 custom-scrollbar">
              <li class="font-bold text-blue-600">Tutto del Gold, più:</li>
              <li><strong>50-</strong> Editing (Copy/Headline)</li>
              <li><strong>20-</strong> Video per campagna</li>
              <li><strong>5-</strong> Ad Copy & Graphics</li>
              <li>Integrazione Piattaforme Multiple</li>
              <li>Campagne Asset Affiliati</li>
              <li>Tools Campagne Avanzate</li>
              <li>Co-Marketing Multichannel</li>
              <li><strong>2-</strong> Landing Pages Evento</li>
              <li><strong>5-</strong> Multi Landing Pages & A/B Test</li>
              <li><strong>2-</strong> Store eCommerce Landing</li>
              <li>CSR: Metodo Cultural Impact</li>
              <li>CSR: Media Relations</li>
              <li>Generative AI App (inclusa)</li>
              <li class="font-semibold text-gray-800">Advanced Program (2 inclusi):</li>
              <li>a. Referral Martech App</li>
              <li>b. Loyalty Program</li>
              <li>c. Social Coalition Loyalty</li>
              <li>d. Cause Related Marketing</li>
              <li>e. Affiliation Management</li>
              <li>f. Influencer Management</li>
            </ul>
          </div>
        </div>
      </div>
    </section>

    <!-- SECTION 2: PERFORMANCE CALCULATOR -->
    <section class="mb-20">
      <div class="bg-white border border-gray-200 rounded-2xl p-8 md:p-12 shadow-sm">
        <div class="text-center mb-10">
          <h2 class="text-3xl font-bold text-gray-900 mb-2">2. Aggiungi Servizi a Performance</h2>
          <p class="text-gray-600">Paga solo per i risultati. Definisci tu il valore dei tuoi clienti.</p>
        </div>

        <div class="grid md:grid-cols-2 gap-8 items-start">
          <!-- Inputs Grid -->
          <div class="grid md:grid-cols-2 gap-6">
            <div>
              <label for="clvInput" class="block text-sm font-semibold text-gray-700 mb-2 uppercase tracking-wide">Customer Lifetime Value (CLV)</label>
              <div class="relative">
                <div class="absolute inset-y-0 left-0 pl-3 flex items-center pointer-events-none">
                  <span class="text-gray-500 sm:text-sm"></span>
                </div>
                <input type="number" id="clvInput" placeholder="Es. 300" class="custom-input pl-7" oninput="calculateTotal()">
              </div>
              <p class="text-xs text-gray-400 mt-1">Valore medio di un cliente nel tempo</p>
            </div>

            <div>
              <label for="percentageInput" class="block text-sm font-semibold text-gray-700 mb-2 uppercase tracking-wide">Percentuale a Performance</label>
              <div class="relative">
                <div class="absolute inset-y-0 right-0 pr-3 flex items-center pointer-events-none">
                  <span class="text-gray-500 sm:text-sm">%</span>
                </div>
                <input type="number" id="percentageInput" placeholder="Es. 25" class="custom-input pr-7" oninput="calculateTotal()">
              </div>
              <p class="text-xs text-gray-400 mt-1">La tua fee sul valore generato</p>
            </div>
          </div>

          <!-- Cost Per Client Display -->
          <div
            class="bg-gray-50 rounded-xl p-6 border border-gray-100 flex flex-col justify-center items-center h-full md:h-auto">
            <div class="text-sm font-medium text-gray-500 mb-1">Costo per Nuovo Cliente</div>
            <div class="text-4xl font-extrabold text-blue-600" id="costPerClient">€0.00</div>
            <div class="text-xs text-gray-400 mt-2">Calcolato come (CLV × %)</div>
          </div>
        </div>

        <div class="mt-10 pt-8 border-t border-gray-100">
          <div class="flex justify-between items-end mb-4">
            <label for="clientsInput" class="block text-sm font-semibold text-gray-700 uppercase tracking-wide">Nuovi Clienti Acquisiti (Simulazione)</label>
            <span id="clientsValue" class="text-2xl font-bold text-gray-900 bg-white px-3 py-1 rounded border border-gray-200 shadow-sm">0</span>
          </div>
          <input type="range" id="clientsInput" min="0" max="500" value="0" step="1" oninput="calculateTotal()">
          <div class="flex justify-between text-xs text-gray-400 mt-2 font-medium">
            <span>0</span>
            <span>100</span>
            <span>250</span>
            <span>500+</span>
          </div>
        </div>
      </div>
    </section>

    <!-- SECTION 3: SUMMARY -->
    <section class="mb-20">
      <div class="bg-slate-900 text-white rounded-3xl p-8 md:p-12 shadow-2xl overflow-hidden relative">
        <!-- Decorative background elements -->
        <div
          class="absolute top-0 right-0 w-64 h-64 bg-blue-600 rounded-full mix-blend-multiply filter blur-3xl opacity-20 -translate-y-1/2 translate-x-1/2">
        </div>
        <div
          class="absolute bottom-0 left-0 w-64 h-64 bg-indigo-600 rounded-full mix-blend-multiply filter blur-3xl opacity-20 translate-y-1/2 -translate-x-1/2">
        </div>

        <h3 class="text-2xl md:text-3xl font-bold mb-8 text-center relative z-10">Riepilogo del Tuo Investimento</h3>

        <div
          class="grid md:grid-cols-3 gap-8 text-center relative z-10 divide-y md:divide-y-0 md:divide-x divide-slate-700">
          <div class="p-4">
            <div class="text-slate-400 text-sm uppercase tracking-wider mb-2">Pacchetto Base</div>
            <div class="text-2xl font-bold text-white" id="selectedPackageDisplay">Nessuno</div>
          </div>
          <div class="p-4">
            <div class="text-slate-400 text-sm uppercase tracking-wider mb-2">Costo a Performance</div>
            <div class="text-2xl font-bold text-blue-400" id="performanceTotal">€0</div>
          </div>
          <div class="p-4 md:pl-8">
            <div class="text-slate-400 text-sm uppercase tracking-wider mb-2">Investimento Totale Stimato</div>
            <div
              class="text-4xl md:text-5xl font-extrabold text-transparent bg-clip-text bg-gradient-to-r from-blue-400 to-emerald-400"
              id="totalCost">€0</div>
          </div>
        </div>

        <div class="text-center mt-12 relative z-10">
          <button class="group relative inline-flex items-center justify-center px-8 py-4 text-base font-bold text-white transition-all duration-200 bg-blue-600 rounded-full hover:bg-blue-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-blue-600 focus:ring-offset-slate-900" onclick="generateQuote()">
                        <span class="mr-2">📋</span>
                        Copia Preventivo Personalizzato
                        <div class="absolute inset-0 rounded-full ring-2 ring-white/20 group-hover:ring-white/40 transition-all duration-200"></div>
                    </button>
          <p class="text-slate-500 text-sm mt-4">Il preventivo verrà copiato negli appunti per essere incollato su
            WhatsApp o Email.</p>
        </div>
      </div>
    </section>

    <!-- SECTION 4: ROI SIMULATOR -->
    <section class="mb-20">
      <div class="simulator-card p-8 md:p-12">
        <div class="flex flex-col md:flex-row justify-between items-start md:items-center mb-8 gap-4">
          <div>
            <div class="flex items-center gap-3 mb-2">
              <span class="p-2 bg-white/10 rounded-lg">
                <svg class="w-6 h-6 text-blue-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                  <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M13 7h8m0 0v8m0-8l-8 8-4-4-6 6"></path>
                </svg>
              </span>
              <h2 class="text-3xl font-bold text-white">3. Simulatore ROI & Crescita</h2>
            </div>
            <p class="text-slate-400">Proiezione dei ritorni sull'investimento e timeline di crescita</p>
          </div>
          <div class="flex items-center gap-2 bg-white/10 px-4 py-2 rounded-full">
            <span class="pulse-dot w-2 h-2 bg-green-400 rounded-full"></span>
            <span class="text-sm text-slate-300">Simulazione in tempo reale</span>
          </div>
        </div>

        <!-- Simulator Inputs -->
        <div class="grid md:grid-cols-3 gap-6 mb-10">
          <div class="stat-card p-5">
            <label class="block text-xs font-semibold text-slate-400 uppercase tracking-wider mb-3">Durata Campagna (Mesi)</label>
            <input type="range" id="campaignMonths" min="3" max="24" value="6" class="w-full mb-2" oninput="calculateROI()">
            <div class="flex justify-between items-center">
              <span class="text-2xl font-bold text-white" id="monthsValue">6</span>
              <span class="text-sm text-slate-400">mesi</span>
            </div>
          </div>

          <div class="stat-card p-5">
            <label class="block text-xs font-semibold text-slate-400 uppercase tracking-wider mb-3">Tasso Conversione (%)</label>
            <input type="range" id="conversionRate" min="1" max="15" value="3" step="0.5" class="w-full mb-2" oninput="calculateROI()">
            <div class="flex justify-between items-center">
              <span class="text-2xl font-bold text-white" id="conversionValue">3</span>
              <span class="text-sm text-slate-400">%</span>
            </div>
          </div>

          <div class="stat-card p-5">
            <label class="block text-xs font-semibold text-slate-400 uppercase tracking-wider mb-3">Valore Medio Ordine (€)</label>
            <input type="number" id="avgOrderValue" placeholder="Es. 150" value="150" class="custom-input bg-white/5 border-white/10 text-white placeholder-slate-500" oninput="calculateROI()">
          </div>
        </div>

        <!-- ROI Results Grid -->
        <div class="grid md:grid-cols-4 gap-4 mb-10">
          <div class="stat-card p-6 text-center fade-in stagger-1">
            <div class="text-slate-400 text-xs uppercase tracking-wider mb-2">Ritorno Investimento</div>
            <div class="text-3xl font-bold text-emerald-400" id="roiPercent">0%</div>
            <div class="text-xs text-slate-500 mt-1">ROI totale</div>
          </div>

          <div class="stat-card p-6 text-center fade-in stagger-2">
            <div class="text-slate-400 text-xs uppercase tracking-wider mb-2">Ricavi Stimati</div>
            <div class="text-3xl font-bold text-blue-400" id="projectedRevenue">€0</div>
            <div class="text-xs text-slate-500 mt-1">12 mesi</div>
          </div>

          <div class="stat-card p-6 text-center fade-in stagger-3">
            <div class="text-slate-400 text-xs uppercase tracking-wider mb-2">Break-even</div>
            <div class="text-3xl font-bold text-purple-400" id="breakEven">0</div>
            <div class="text-xs text-slate-500 mt-1">nuovi clienti</div>
          </div>

          <div class="stat-card p-6 text-center fade-in stagger-4">
            <div class="text-slate-400 text-xs uppercase tracking-wider mb-2">Cliente Netto</div>
            <div class="text-3xl font-bold text-amber-400" id="netPerClient">€0</div>
            <div class="text-xs text-slate-500 mt-1">dopo costi</div>
          </div>
        </div>

        <!-- Visual Timeline & Charts -->
        <div class="grid md:grid-cols-2 gap-8">
          <!-- Growth Timeline -->
          <div class="stat-card p-6">
            <h4 class="text-white font-semibold mb-6 flex items-center gap-2">
              <svg class="w-5 h-5 text-blue-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
                  d="M9 19v-6a2 2 0 00-2-2H5a2 2 0 00-2 2v6a2 2 0 002 2h2a2 2 0 002-2zm0 0V9a2 2 0 012-2h2a2 2 0 012 2v10m-6 0a2 2 0 002 2h2a2 2 0 002-2m0 0V5a2 2 0 012-2h2a2 2 0 012 2v14a2 2 0 01-2 2h-2a2 2 0 01-2-2z">
                </path>
              </svg>
              Timeline Crescita Mensile
            </h4>
            <div class="space-y-3" id="timelineBars">
              <!-- Bars will be generated by JS -->
            </div>
          </div>

          <!-- Funnel Visualization -->
          <div class="stat-card p-6">
            <h4 class="text-white font-semibold mb-6 flex items-center gap-2">
              <svg class="w-5 h-5 text-purple-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
                  d="M3 4a1 1 0 011-1h16a1 1 0 011 1v2.586a1 1 0 01-.293.707l-6.414 6.414a1 1 0 00-.293.707V17l-4 4v-6.586a1 1 0 00-.293-.707L3.293 7.293A1 1 0 013 6.586V4z">
                </path>
              </svg>
              Funnel Conversione
            </h4>
            <div class="flex items-center justify-center gap-2">
              <div class="flex-1 text-center">
                <div class="bg-blue-500/20 rounded-t-lg p-4 border border-blue-500/30">
                  <div class="text-2xl font-bold text-white" id="impressions">0</div>
                  <div class="text-xs text-slate-400">Impression</div>
                </div>
                <div class="bg-blue-500/30 p-3 border-x border-b border-blue-500/30">
                  <div class="text-lg font-bold text-blue-300" id="clicks">0</div>
                  <div class="text-xs text-slate-400">Clic</div>
                </div>
                <div class="bg-blue-500/40 p-3 border-x border-b border-blue-500/30">
                  <div class="text-lg font-bold text-blue-200" id="leads">0</div>
                  <div class="text-xs text-slate-400">Lead</div>
                </div>
                <div class="bg-emerald-500/50 rounded-b-lg p-4 border border-emerald-500/30">
                  <div class="text-2xl font-bold text-emerald-300" id="customers">0</div>
                  <div class="text-xs text-slate-400">Clienti</div>
                </div>
              </div>
            </div>
            <div class="mt-4 text-center text-xs text-slate-500">
              Basato su <span id="totalVisits">0</span> visite mensili stimate
            </div>
          </div>
        </div>

        <!-- Summary Comparison -->
        <div class="mt-8 p-6 bg-white/5 rounded-xl border border-white/10">
          <h4 class="text-white font-semibold mb-4 flex items-center gap-2">
            <svg class="w-5 h-5 text-amber-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
              <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
                d="M9 7h6m0 10v-3m-3 3h.01M9 17h.01M9 14h.01M12 14h.01M15 11h.01M12 11h.01M9 11h.01M7 21h10a2 2 0 002-2V5a2 2 0 00-2-2H7a2 2 0 00-2 2v14a2 2 0 002 2z">
              </path>
            </svg>
            Confronto Investimento vs Ritorno
          </h4>
          <div class="grid md:grid-cols-2 gap-8">
            <div>
              <div class="flex justify-between mb-2">
                <span class="text-slate-400 text-sm">Investimento Totale</span>
                <span class="text-white font-semibold" id="investmentCompare">€0</span>
              </div>
              <div class="timeline-bar">
                <div class="timeline-progress bg-red-500/50" style="width: 30%"></div>
              </div>
            </div>
            <div>
              <div class="flex justify-between mb-2">
                <span class="text-slate-400 text-sm">Ritorno Stimato (12 mesi)</span>
                <span class="text-emerald-400 font-semibold" id="returnCompare">€0</span>
              </div>
              <div class="timeline-bar">
                <div class="timeline-progress" style="width: 70%"></div>
              </div>
            </div>
          </div>
          <div class="mt-4 p-3 bg-emerald-500/10 rounded-lg border border-emerald-500/20 text-center">
            <span class="text-emerald-400 font-semibold">Rapporto Rischio/Ritorno: </span>
            <span class="text-white" id="riskReward">1 : 0</span>
          </div>
        </div>
      </div>
    </section>

  </main>

  <footer class="bg-white border-t border-gray-200 py-8">
    <div class="container mx-auto px-6 text-center text-gray-500 text-sm">
      <p>&copy; 2024 Digital Growth Calculator. All rights reserved.</p>
      <div class="mt-2">
        <a href="https://huggingface.co/spaces/akhaliq/anycoder" target="_blank"
          class="text-blue-600 hover:underline">Built with anycoder</a>
      </div>
    </div>
  </footer>

  <script>
    // State management
    let selectedPackageName = null;
    let packageCost = 0;
    let totalPerformanceCost = 0;

    // Format Currency Helper
    const formatMoney = (amount) => {
        return new Intl.NumberFormat('it-IT', { style: 'currency', currency: 'EUR', maximumFractionDigits: 0 }).format(amount);
    };
    
    const formatMoneyDetailed = (amount) => {
        return new Intl.NumberFormat('it-IT', { style: 'currency', currency: 'EUR', minimumFractionDigits: 2, maximumFractionDigits: 2 }).format(amount);
    };

    // Package Selection
    function selectPackage(name, cost, element) {
        // Remove selected class from all cards
        document.querySelectorAll('.price-card').forEach(card => card.classList.remove('selected'));
        
        // Add selected class to clicked card
        element.classList.add('selected');
        
        // Update State
        selectedPackageName = name;
        packageCost = cost;
        
        // Update UI
        document.getElementById('selectedPackageDisplay').textContent = `${name} (${formatMoney(cost)})`;
        
        // Trigger animation on total cost
        const totalEl = document.getElementById('totalCost');
        totalEl.classList.remove('price-update-anim');
        void totalEl.offsetWidth; // trigger reflow
        totalEl.classList.add('price-update-anim');

        calculateTotal();
        calculateROI();
    }

    // Calculate Total (Section 2)
    function calculateTotal() {
        // Read inputs
        const clv = parseFloat(document.getElementById('clvInput').value) || 0;
        const percentage = parseFloat(document.getElementById('percentageInput').value) || 0;
        const clients = parseInt(document.getElementById('clientsInput').value, 10);

        // Update slider display
        document.getElementById('clientsValue').textContent = clients;

        // Calculate Cost Per Client
        const costPerClient = clv * (percentage / 100);
        document.getElementById('costPerClient').textContent = formatMoneyDetailed(costPerClient);

        // Calculate Total Performance Cost
        totalPerformanceCost = clients * costPerClient;
        document.getElementById('performanceTotal').textContent = formatMoney(totalPerformanceCost);

        // Calculate Grand Total
        const total = packageCost + totalPerformanceCost;
        document.getElementById('totalCost').textContent = formatMoney(total);

        // Update ROI calculator
        calculateROI();
    }

    // Calculate ROI (Section 3)
    function calculateROI() {
        // Get simulator inputs
        const months = parseInt(document.getElementById('campaignMonths').value, 10);
        const conversionRate = parseFloat(document.getElementById('conversionRate').value);
        const avgOrderValue = parseFloat(document.getElementById('avgOrderValue').value) || 150;

        // Get main calculator values
        const clv = parseFloat(document.getElementById('clvInput').value) || 300;
        const performancePercent = parseFloat(document.getElementById('percentageInput').value) || 25;
        const clientsAcquired = parseInt(document.getElementById('clientsInput').value, 10) || 10;

        // Update display values
        document.getElementById('monthsValue').textContent = months;
        document.getElementById('conversionValue').textContent = conversionRate;

        // Calculate monthly revenue (CLV * monthly acquired clients)
        const monthlyRevenue = clientsAcquired * clv;
        
        // Total projected revenue for the campaign period
        const totalRevenue = monthlyRevenue * months;

        // Calculate investment
        const costPerClientAcquired = clv * (performancePercent / 100);
        const performanceCost = clientsAcquired * costPerClientAcquired;
        const totalInvestment = packageCost + performanceCost;

        // Calculate ROI
        let roi = 0;
        if (totalInvestment > 0) {
            roi = ((totalRevenue - totalInvestment) / totalInvestment) * 100;
        }
        
        // Calculate break-even (how many clients needed to cover investment)
        const breakEvenClients = costPerClientAcquired > 0 ? Math.ceil(totalInvestment / costPerClientAcquired) : 0;

        // Net per client after costs
        const netPerClient = clv - costPerClientAcquired;

        // Funnel calculations
        const totalVisits = Math.round(clients