* {
       margin: 0;
       padding: 0;
       box-sizing: border-box;
   }

   body {
       font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
       line-height: 1.6;
       color: #e2e8f0;
       background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
       min-height: 100vh;
   }

   .container {
       max-width: 1400px;
       margin: 0 auto;
       padding: 0 20px;
   }

   /* Header */
   header {
       background: rgba(15, 23, 42, 0.95);
       backdrop-filter: blur(10px);
       border-bottom: 1px solid #334155;
       padding: 1rem 0;
       position: sticky;
       top: 0;
       z-index: 100;
   }

   nav {
       display: flex;
       justify-content: space-between;
       align-items: center;
       flex-wrap: wrap;
       position: relative;
   }

   .mobile-menu-toggle {
       display: none;
       background: none;
       border: none;
       color: #e2e8f0;
       font-size: 1.5rem;
       cursor: pointer;
       padding: 8px;
       border-radius: 4px;
       transition: background 0.3s;
   }

   .mobile-menu-toggle:hover {
       background: rgba(139, 92, 246, 0.2);
   }

   .logo {
       font-size: 1.8rem;
       font-weight: bold;
       display: flex;
       align-items: center;
       color: #8b5cf6;
   }

   .logo i {
       margin-right: 10px;
       color: #a78bfa;
   }

   .nav-links {
       display: flex;
       list-style: none;
       gap: 2rem;
       flex-wrap: wrap;
   }

   .nav-links a {
       color: #e2e8f0;
       text-decoration: none;
       transition: color 0.3s;
       font-weight: 500;
       padding: 8px 16px;
       border-radius: 6px;
   }

   .nav-links a:hover {
       color: #8b5cf6;
       background: rgba(139, 92, 246, 0.1);
   }

   /* Hero Section */
   .hero {
       background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
       padding: 6rem 0;
       text-align: center;
       position: relative;
       overflow: hidden;
   }

   .hero::before {
       content: '';
       position: absolute;
       top: 0;
       left: 0;
       right: 0;
       bottom: 0;
       background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23334155" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
       opacity: 0.3;
   }

   .hero-content {
       position: relative;
       z-index: 2;
   }

   .hero h1 {
       font-size: 3.5rem;
       margin-bottom: 1rem;
       font-weight: 800;
       background: linear-gradient(135deg, #8b5cf6 0%, #a78bfa 100%);
       -webkit-background-clip: text;
       -webkit-text-fill-color: transparent;
       background-clip: text;
   }

   .hero p {
       font-size: 1.3rem;
       margin-bottom: 2rem;
       color: #94a3b8;
       max-width: 700px;
       margin-left: auto;
       margin-right: auto;
   }

   .cta-button {
       display: inline-block;
       background: linear-gradient(135deg, #8b5cf6 0%, #a78bfa 100%);
       color: #0f172a;
       padding: 18px 36px;
       text-decoration: none;
       border-radius: 8px;
       font-weight: bold;
       transition: all 0.3s;
       font-size: 1.1rem;
       box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
   }

   .cta-button:hover {
       transform: translateY(-2px);
       box-shadow: 0 8px 25px rgba(139, 92, 246, 0.4);
   }

   /* Dashboard Section */
   .dashboard {
       padding: 4rem 0;
       background: #0f172a;
   }

   .dashboard h2 {
       text-align: center;
       font-size: 2.5rem;
       margin-bottom: 3rem;
       color: #e2e8f0;
   }

   .dashboard-grid {
       display: grid;
       grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
       gap: 2rem;
       margin-top: 3rem;
   }

   .dashboard-card {
       background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
       padding: 2rem;
       border-radius: 12px;
       border: 1px solid #475569;
       transition: all 0.3s;
       position: relative;
       overflow: hidden;
   }

   .dashboard-card::before {
       content: '';
       position: absolute;
       top: 0;
       left: 0;
       right: 0;
       height: 3px;
       background: linear-gradient(135deg, #8b5cf6 0%, #a78bfa 100%);
   }

   .dashboard-card:hover {
       transform: translateY(-5px);
       box-shadow: 0 10px 30px rgba(139, 92, 246, 0.2);
   }

   .card-header {
       display: flex;
       align-items: center;
       margin-bottom: 1rem;
   }

   .card-icon {
       font-size: 2rem;
       color: #8b5cf6;
       margin-right: 1rem;
   }

   .card-title {
       font-size: 1.3rem;
       font-weight: bold;
       color: #e2e8f0;
   }

   .card-content {
       color: #94a3b8;
       line-height: 1.6;
   }

   .metric-value {
       font-size: 2.5rem;
       font-weight: bold;
       color: #8b5cf6;
       margin: 1rem 0;
   }

   /* AI Analysis Section */
   .ai-analysis {
       padding: 4rem 0;
       background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
   }

   .ai-analysis h2 {
       text-align: center;
       font-size: 2.5rem;
       margin-bottom: 3rem;
       color: #e2e8f0;
   }

   .analysis-grid {
       display: grid;
       grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
       gap: 2rem;
       margin-top: 3rem;
   }

   .analysis-card {
       background: rgba(15, 23, 42, 0.8);
       padding: 2rem;
       border-radius: 12px;
       text-align: center;
       border: 1px solid #475569;
       backdrop-filter: blur(10px);
   }

   .analysis-card h3 {
       font-size: 1.2rem;
       margin-bottom: 1rem;
       color: #e2e8f0;
   }

   .score {
       font-size: 3rem;
       font-weight: bold;
       color: #8b5cf6;
       margin: 1rem 0;
   }

   .score-label {
       color: #94a3b8;
       font-size: 0.9rem;
   }

   /* Disclaimers Section */
   .disclaimers {
       background: #0f172a;
       color: #e2e8f0;
       padding: 3rem 0;
       border-top: 1px solid #334155;
   }

   .disclaimers h2 {
       text-align: center;
       font-size: 2rem;
       margin-bottom: 2rem;
       color: #8b5cf6;
   }

   .disclaimer-content {
       max-width: 800px;
       margin: 0 auto;
       text-align: center;
   }

   .disclaimer-content p {
       margin-bottom: 1rem;
       font-size: 0.9rem;
       line-height: 1.6;
       color: #94a3b8;
   }

   .disclaimer-content .highlight {
       color: #8b5cf6;
       font-weight: bold;
   }

   /* Footer */
   footer {
       background: #0f172a;
       color: #94a3b8;
       padding: 2rem 0;
       border-top: 1px solid #334155;
   }

   .footer-bottom {
       text-align: center;
       font-size: 0.9rem;
   }

   /* WhatsApp Button */
   .whatsapp-float {
       position: fixed;
       width: 70px;
       height: 70px;
       bottom: 30px;
       left: 50%;
       transform: translateX(-50%);
       background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
       color: white;
       border-radius: 50px;
       text-align: center;
       font-size: 32px;
       box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
       z-index: 1000;
       display: flex;
       align-items: center;
       justify-content: center;
       transition: all 0.3s ease;
       text-decoration: none;
       border: 3px solid #0f172a;
       animation: pulse 2s infinite;
   }

   .whatsapp-float:hover {
       background: linear-gradient(135deg, #128c7e 0%, #0d6b5a 100%);
       transform: translateX(-50%) scale(1.15);
       box-shadow: 0 12px 35px rgba(37, 211, 102, 0.6);
       text-decoration: none;
       color: white;
   }

   .whatsapp-float::before {
       content: '';
       position: absolute;
       top: -5px;
       left: -5px;
       right: -5px;
       bottom: -5px;
       background: linear-gradient(135deg, #25d366, #128c7e);
       border-radius: 50px;
       z-index: -1;
       opacity: 0.3;
       animation: ripple 2s infinite;
   }

   .whatsapp-tooltip {
       position: absolute;
       bottom: 80px;
       left: 50%;
       transform: translateX(-50%);
       background: #1e293b;
       color: white;
       padding: 12px 16px;
       border-radius: 8px;
       font-size: 14px;
       font-weight: 500;
       white-space: nowrap;
       opacity: 0;
       visibility: hidden;
       transition: all 0.3s ease;
       box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
       z-index: 1001;
       border: 1px solid #334155;
   }

   .whatsapp-tooltip::after {
       content: '';
       position: absolute;
       top: 100%;
       left: 50%;
       transform: translateX(-50%);
       border: 6px solid transparent;
       border-top-color: #1e293b;
   }

   .whatsapp-float:hover .whatsapp-tooltip {
       opacity: 1;
       visibility: visible;
       transform: translateX(-50%) translateY(-5px);
   }

   @keyframes pulse {
       0% {
           box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
       }

       50% {
           box-shadow: 0 8px 25px rgba(37, 211, 102, 0.6), 0 0 0 10px rgba(37, 211, 102, 0.1);
       }

       100% {
           box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
       }
   }

   @keyframes ripple {
       0% {
           transform: scale(1);
           opacity: 0.3;
       }

       100% {
           transform: scale(1.4);
           opacity: 0;
       }
   }

   /* Tablet/iPad Responsive */
   @media (max-width: 1024px) and (min-width: 769px) {
       .whatsapp-float {
           width: 65px;
           height: 65px;
           font-size: 30px;
           bottom: 25px;
           z-index: 1001;
       }

       .whatsapp-tooltip {
           opacity: 1 !important;
           visibility: visible !important;
           transform: translateX(-50%) translateY(-5px) !important;
           bottom: 85px;
           background: #1e293b;
           font-size: 13px;
           padding: 10px 14px;
           border-radius: 8px;
           border: 1px solid #334155;
       }
   }

   /* Mobile Responsive */
   @media (max-width: 768px) {
       .mobile-menu-toggle {
           display: block;
       }

       .nav-links {
           display: none;
           position: absolute;
           top: 100%;
           left: 0;
           right: 0;
           background: rgba(15, 23, 42, 0.95);
           backdrop-filter: blur(10px);
           flex-direction: column;
           gap: 0;
           padding: 1rem 0;
           border-radius: 0 0 12px 12px;
           box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
           border: 1px solid rgba(139, 92, 246, 0.2);
           z-index: 1000;
       }

       .nav-links.active {
           display: flex;
       }

       .nav-links li {
           width: 100%;
       }

       .nav-links a {
           display: block;
           padding: 14px 20px;
           font-size: 1rem;
           text-align: center;
           color: #e2e8f0;
           border-bottom: 1px solid rgba(139, 92, 246, 0.1);
           transition: all 0.3s;
       }

       .nav-links a:hover {
           background: rgba(139, 92, 246, 0.2);
           color: #8b5cf6;
       }

       .nav-links li:last-child a {
           border-bottom: none;
       }

       .hero h1 {
           font-size: 2.5rem;
       }

       .hero p {
           font-size: 1.1rem;
       }

       .dashboard h2,
       .ai-analysis h2 {
           font-size: 2rem;
       }

       .dashboard-grid,
       .analysis-grid {
           grid-template-columns: 1fr;
       }

       .whatsapp-float {
           width: 60px;
           height: 60px;
           font-size: 28px;
           bottom: 20px;
           z-index: 1001;
           position: fixed !important;
           display: flex !important;
       }

       .whatsapp-tooltip {
           opacity: 1 !important;
           visibility: visible !important;
           transform: translateX(-50%) translateY(-5px) !important;
           bottom: 75px;
           background: #1e293b;
           font-size: 12px;
           padding: 8px 12px;
           border-radius: 6px;
           border: 1px solid #334155;
           white-space: nowrap;
       }
   }

   @media (max-width: 480px) {
       .container {
           padding: 0 15px;
       }

       .hero {
           padding: 3rem 0;
       }

       .hero h1 {
           font-size: 2rem;
       }

       .dashboard-card,
       .analysis-card {
           padding: 1.5rem;
       }
   }