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

 body {
     font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
     line-height: 1.6;
     color: #333;
     background-color: #f8f9fa;
 }

 .container {
     max-width: 1200px;
     margin: 0 auto;
     padding: 0 20px;
 }

 /* Header */
 header {
     background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
     color: white;
     padding: 1rem 0;
     position: sticky;
     top: 0;
     z-index: 100;
     box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
 }

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

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

 .logo i {
     margin-right: 10px;
     color: #ffd700;
 }

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

 .nav-links a {
     color: white;
     text-decoration: none;
     transition: color 0.3s;
     font-weight: 500;
 }

 .nav-links a:hover {
     color: #10b981;
 }

 /* Hero Section */
 .hero {
     background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
     color: white;
     padding: 4rem 0;
     text-align: center;
 }

 .hero h1 {
     font-size: 3rem;
     margin-bottom: 1rem;
     font-weight: 700;
 }

 .hero p {
     font-size: 1.2rem;
     margin-bottom: 2rem;
     opacity: 0.9;
     max-width: 600px;
     margin-left: auto;
     margin-right: auto;
 }

 .cta-button {
     display: inline-block;
     background: #10b981;
     color: white;
     padding: 15px 30px;
     text-decoration: none;
     border-radius: 50px;
     font-weight: bold;
     transition: transform 0.3s, box-shadow 0.3s;
     font-size: 1.1rem;
 }

 .cta-button:hover {
     transform: translateY(-2px);
     box-shadow: 0 5px 15px rgba(16, 185, 129, 0.4);
 }

 /* Features Section */
 .features {
     padding: 4rem 0;
     background: white;
 }

 .features h2 {
     text-align: center;
     font-size: 2.5rem;
     margin-bottom: 3rem;
     color: #333;
 }

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

 .feature-card {
     background: #f8f9fa;
     padding: 2rem;
     border-radius: 15px;
     text-align: center;
     transition: transform 0.3s, box-shadow 0.3s;
     border: 1px solid #e9ecef;
 }

 .feature-card:hover {
     transform: translateY(-5px);
     box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
 }

 .feature-card i {
     font-size: 3rem;
     color: #1e40af;
     margin-bottom: 1rem;
 }

 .feature-card h3 {
     font-size: 1.5rem;
     margin-bottom: 1rem;
     color: #333;
 }

 .feature-card p {
     color: #666;
     line-height: 1.6;
 }

 /* AI Analysis Section */
 .ai-analysis {
     padding: 4rem 0;
     background: linear-gradient(135deg, #374151 0%, #4b5563 100%);
     color: white;
 }

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

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

 .analysis-card {
     background: rgba(255, 255, 255, 0.1);
     padding: 2rem;
     border-radius: 15px;
     text-align: center;
     backdrop-filter: blur(10px);
     border: 1px solid rgba(255, 255, 255, 0.2);
 }

 .analysis-card h3 {
     font-size: 1.3rem;
     margin-bottom: 1rem;
 }

 .score {
     font-size: 3rem;
     font-weight: bold;
     color: #10b981;
     margin: 1rem 0;
 }

 /* Disclaimers Section */
 .disclaimers {
     background: #2c3e50;
     color: white;
     padding: 3rem 0;
 }

 .disclaimers h2 {
     text-align: center;
     font-size: 2rem;
     margin-bottom: 2rem;
     color: #10b981;
 }

 .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;
     opacity: 0.9;
 }

 .disclaimer-content .highlight {
     color: #10b981;
     font-weight: bold;
 }

 /* Footer */
 footer {
     background: #1a1a1a;
     color: white;
     padding: 3rem 0 1rem;
 }

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

 .footer-section h3 {
     margin-bottom: 1rem;
     color: #10b981;
 }

 .footer-section p,
 .footer-section a {
     color: #ccc;
     text-decoration: none;
     line-height: 1.6;
 }

 .footer-section a:hover {
     color: #10b981;
 }

 .footer-bottom {
     text-align: center;
     padding-top: 2rem;
     border-top: 1px solid #333;
     color: #999;
 }

 /* 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 white;
     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: #2c3e50;
     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, 0.2);
     z-index: 1001;
 }

 .whatsapp-tooltip::after {
     content: '';
     position: absolute;
     top: 100%;
     left: 50%;
     transform: translateX(-50%);
     border: 6px solid transparent;
     border-top-color: #2c3e50;
 }

 .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;
     }
 }

 /* Mobile Responsive */
 @media (max-width: 768px) {
     .nav-links {
         flex-direction: column;
         gap: 1rem;
         width: 100%;
         text-align: center;
     }

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

     .hero p {
         font-size: 1rem;
     }

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

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

     .whatsapp-float {
         width: 60px;
         height: 60px;
         font-size: 28px;
         bottom: 20px;
     }
 }

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

     .hero {
         padding: 2rem 0;
     }

     .hero h1 {
         font-size: 1.8rem;
     }

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