:root {
            --primary: #4a6bff;
            --primary-dark: #3a5bef;
            --secondary: #00d4ff;
            --dark: #1a1a2e;
            --darker: #0f0f1f;
            --light: #f8f9fa;
            --lighter: #ffffff;
            --gray: #e9ecef;
            --success: #28a745;
            --danger: #dc3545;
            --warning: #ffc107;
        }
        
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            margin: 0;
            padding: 0;
            color: var(--dark);
            line-height: 1.6;
            background-color: var(--light);
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* Header Styles */
        header {
            background-color: var(--lighter);
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
        }
        
        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
        }
        
        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            display: flex;
            align-items: center;
        }
        
        .logo i {
            margin-right: 10px;
            color: var(--secondary);
        }
        
        .nav-links {
            display: flex;
            align-items: center;
        }
        
        .nav-links a {
            color: var(--dark);
            text-decoration: none;
            margin-left: 1.5rem;
            font-weight: 500;
            transition: color 0.3s;
        }
        
        .nav-links a:hover {
            color: var(--primary);
        }
        
        .button {
            display: inline-block;
            background-color: var(--primary);
            color: white;
            padding: 0.6rem 1.2rem;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s;
            border: none;
            cursor: pointer;
        }
        
        .button:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(74, 107, 255, 0.3);
        }
        
        .button-outline {
            background-color: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }
        
        .button-outline:hover {
            background-color: var(--primary);
            color: white;
        }
        
        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            padding: 10rem 2rem 5rem;
            text-align: center;
            margin-top: 60px;
        }
        
        .hero h1 {
            font-size: 3rem;
            margin-bottom: 1rem;
        }
        
        .hero p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 2rem;
        }
        
        .cta-button {
            background-color: white;
            color: var(--primary);
            padding: 0.8rem 2rem;
            font-size: 1.1rem;
            border-radius: 30px;
            border: none;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        
        .cta-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
        }
        
        /* Features Section */
        .section-title {
            text-align: center;
            margin-bottom: 3rem;
        }
        
        .section-title h2 {
            font-size: 2.2rem;
            color: var(--dark);
            margin-bottom: 1rem;
        }
        
        .section-title p {
            color: #666;
            max-width: 700px;
            margin: 0 auto;
        }
        
        .features {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            padding: 3rem 0;
            gap: 2rem;
        }
        
        .feature-card {
            flex: 1 1 300px;
            max-width: 350px;
            border-radius: 15px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            padding: 2rem;
            transition: transform 0.3s, box-shadow 0.3s;
            background-color: var(--lighter);
        }
        
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        
        .feature-icon {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 1.5rem;
        }
        
        .feature-card h3 {
            font-size: 1.3rem;
            margin-bottom: 1rem;
        }
        
        .feature-card p {
            color: #666;
        }
        
        /* How It Works Section */
        .how-it-works {
            padding: 5rem 0;
            background-color: var(--lighter);
        }
        
        .steps {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 2rem;
            margin-top: 3rem;
        }
        
        .step {
            flex: 1 1 200px;
            max-width: 250px;
            text-align: center;
            padding: 2rem 1rem;
            position: relative;
        }
        
        .step-number {
            width: 50px;
            height: 50px;
            background-color: var(--primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: bold;
            margin: 0 auto 1.5rem;
        }
        
        .step h3 {
            margin-bottom: 1rem;
        }
        
        .step p {
            color: #666;
        }
        
        /* Demo Section */
        .demo {
            padding: 5rem 0;
            background-color: var(--gray);
        }
        
        .demo-container {
            display: flex;
            align-items: center;
            gap: 3rem;
            margin-top: 3rem;
        }
        
        .demo-text {
            flex: 1;
        }
        
        .demo-image {
            flex: 1;
            background-color: var(--dark);
            border-radius: 10px;
            height: 400px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        
        /* Testimonials */
        .testimonials {
            padding: 5rem 0;
        }
        
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }
        
        .testimonial-card {
            background-color: var(--lighter);
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        
        .testimonial-text {
            font-style: italic;
            margin-bottom: 1.5rem;
            color: #555;
        }
        
        .testimonial-author {
            display: flex;
            align-items: center;
        }
        
        .author-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--gray);
            margin-right: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--dark);
            font-weight: bold;
        }
        
        .author-info h4 {
            margin-bottom: 0.2rem;
        }
        
        .author-info p {
            color: #777;
            font-size: 0.9rem;
        }
        
        /* Pricing Section */
        .pricing {
            padding: 5rem 0;
            background-color: var(--lighter);
        }
        
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }
        
        .pricing-card {
            background-color: white;
            border-radius: 10px;
            padding: 2rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            text-align: center;
            transition: transform 0.3s;
            border: 1px solid var(--gray);
        }
        
        .pricing-card.featured {
            border: 2px solid var(--primary);
            position: relative;
            transform: scale(1.05);
        }
        
        .featured-badge {
            position: absolute;
            top: -15px;
            right: 20px;
            background-color: var(--primary);
            color: white;
            padding: 0.3rem 1rem;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: bold;
        }
        
        .pricing-card h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
        }
        
        .price {
            font-size: 2.5rem;
            font-weight: bold;
            margin-bottom: 1.5rem;
            color: var(--dark);
        }
        
        .price span {
            font-size: 1rem;
            color: #777;
        }
        
        .pricing-features {
            margin-bottom: 2rem;
        }
        
        .pricing-features li {
            list-style: none;
            padding: 0.5rem 0;
            border-bottom: 1px solid var(--gray);
        }
        
        /* CTA Section */
        .cta {
            padding: 5rem 0;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            text-align: center;
        }
        
        .cta h2 {
            font-size: 2.2rem;
            margin-bottom: 1.5rem;
        }
        
        .cta p {
            max-width: 700px;
            margin: 0 auto 2rem;
            font-size: 1.1rem;
        }
        
        /* Footer */
        footer {
            background-color: var(--darker);
            color: white;
            padding: 3rem 0 1rem;
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        
        .footer-column h3 {
            font-size: 1.2rem;
            margin-bottom: 1.5rem;
            color: var(--secondary);
        }
        
        .footer-column ul {
            list-style: none;
        }
        
        .footer-column li {
            margin-bottom: 0.8rem;
        }
        
        .footer-column a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .footer-column a:hover {
            color: var(--secondary);
        }
        
        .social-links {
            display: flex;
            gap: 1rem;
        }
        
        .social-links a {
            color: white;
            font-size: 1.2rem;
            transition: color 0.3s;
        }
        
        .social-links a:hover {
            color: var(--secondary);
        }
        
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #777;
            font-size: 0.9rem;
        }
        
        /* Mobile Menu */
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--dark);
            font-size: 1.5rem;
            cursor: pointer;
        }
        
        /* Budget Calculator */
        .budget-calculator {
            background-color: white;
            border-radius: 10px;
            padding: 2rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin: 3rem auto;
            max-width: 600px;
        }
        
        .calculator-form {
            display: grid;
            gap: 1.5rem;
        }
        
        .form-group {
            margin-bottom: 1rem;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 500;
        }
        
        .form-group input, .form-group select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid var(--gray);
            border-radius: 5px;
            font-size: 1rem;
        }
        
        .calculator-results {
            margin-top: 2rem;
            padding: 1.5rem;
            background-color: var(--gray);
            border-radius: 5px;
            display: none;
        }
        
        .result-item {
            display: flex;
            justify-content: space-between;
            margin-bottom: 1rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #ccc;
        }
        
        .result-item:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 0;
            font-weight: bold;
            font-size: 1.1rem;
        }
        
        /* Demo Modal Styles */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5);
            z-index: 1000;
        }
        
        .modal-content {
            background-color: #fff;
            margin: 5% auto;
            padding: 20px;
            width: 90%;
            max-width: 1200px;
            border-radius: 10px;
            position: relative;
        }
        
        .close-modal {
            position: absolute;
            right: 20px;
            top: 20px;
            font-size: 24px;
            cursor: pointer;
        }
        
        .tab-content {
            display: none;
        }
        
        .tab-content.active {
            display: block;
        }
        
        .analysis-container {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            padding: 20px;
        }
        
        .analysis-card {
            background: #fff;
            border-radius: 10px;
            padding: 20px;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        }
        
        .chart-container {
            margin-top: 15px;
            position: relative;
            height: 300px;
        }
        
        .insights-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .insights-list li {
            padding: 10px 0;
            border-bottom: 1px solid #eee;
            color: #333;
        }
        
        .insights-list li:last-child {
            border-bottom: none;
        }
        
        @media (max-width: 768px) {
            .analysis-container {
                grid-template-columns: 1fr;
            }
        }
        
        .insight-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            padding: 1rem;
            border-bottom: 1px solid var(--gray);
        }
        
        .insight-item:last-child {
            border-bottom: none;
        }
        
        .insight-item i {
            color: var(--primary);
            font-size: 1.5rem;
            margin-top: 0.25rem;
        }
        
        .insight-content h4 {
            margin: 0 0 0.5rem 0;
            color: var(--dark);
        }
        
        .insight-content p {
            margin: 0;
            color: var(--dark);
            font-size: 0.9rem;
        }
        .demo-card {
            background-color: var(--light);
            padding: 1.5rem;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        }
        
        .score-circle {
            width: 100px;
            height: 100px;
            border-radius: 50%;
            background: conic-gradient(var(--primary) 78%, var(--gray) 22%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 2rem;
            font-weight: bold;
            margin: 1rem auto;
        }
        
        /* Budget Tab */
        .budget-view {
            display: flex;
            gap: 2rem;
        }
        
        .budget-categories {
            flex: 2;
        }
        
        .category-progress {
            margin-top: 1rem;
        }
        
        .category {
            display: flex;
            align-items: center;
            margin-bottom: 1rem;
            gap: 1rem;
        }
        
        .category span:first-child {
            width: 120px;
        }
        
        .progress-bar {
            flex: 1;
            height: 10px;
            background-color: var(--gray);
            border-radius: 5px;
            overflow: hidden;
        }
        
        .progress-fill {
            height: 100%;
            background-color: var(--primary);
        }
        
        .budget-summary {
            flex: 1;
            background-color: var(--light);
            padding: 1.5rem;
            border-radius: 8px;
        }
        
        .summary-item {
            display: flex;
            justify-content: space-between;
            margin-bottom: 1rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid var(--gray);
        }
        
        .summary-item.total {
            font-weight: bold;
            font-size: 1.1rem;
            border-bottom: none;
        }
        
        /* Savings Tab */
        .savings-goals {
            margin-bottom: 2rem;
        }
        
        .goal {
            margin-bottom: 1.5rem;
        }
        
        .goal-info {
            display: flex;
            justify-content: space-between;
            margin-bottom: 0.5rem;
        }
        
        .savings-simulator {
            background-color: var(--light);
            padding: 1.5rem;
            border-radius: 8px;
        }
        
        input[type="range"] {
            width: 100%;
            margin: 1rem 0;
        }
        
        /* Analysis Tab */
        .analysis-card {
            margin: 2rem 0;
        }
        
        .insights {
            background-color: var(--light);
            padding: 1.5rem;
            border-radius: 8px;
        }
        
        .insights li {
            margin-bottom: 0.8rem;
            list-style-type: disc;
            margin-left: 1.5rem;
        }
        
        /* Responsive Adjustments */
        @media (max-width: 768px) {
            .budget-view {
                flex-direction: column;
            }
            
            .demo-dashboard {
                grid-template-columns: 1fr;
            }
            
            .modal-content {
                width: 95%;
                margin: 2% auto;
            }
            
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--lighter);
                flex-direction: column;
                padding: 1rem;
                box-shadow: 0 5px 10px rgba(0,0,0,0.1);
            }
            
            .nav-links.active {
                display: flex;
            }
            
            .nav-links a {
                margin: 0.5rem 0;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .hero h1 {
                font-size: 2.2rem;
            }
            
            .hero p {
                font-size: 1rem;
            }
            
            .demo-container {
                flex-direction: column;
            }
            
            .demo-text, .demo-image {
                flex: none;
                width: 100%;
            }
        }