* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        :root {
            --primary: #00aaff;
            --secondary: #0077cc;
            --background: #f5f9ff;
            --text: #1e293b;
            --accent: #16a34a;
            --white: #ffffff;
            --shadow: 0 10px 30px rgba(0, 119, 204, 0.2);
            --card-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
            --gray: #64748b;
            --light-gray: #f1f5f9;
            --warning: #f59e0b;
            --error: #ef4444;
        }

        [data-theme="dark"] {
            --background: #0f172a;
            --text: #f1f5f9;
            --white: #1e293b;
            --shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
            --card-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
            --gray: #94a3b8;
            --light-gray: #334155;
        }

        body {
            background-color: var(--background);
            color: var(--text);
            min-height: 100vh;
            transition: all 0.3s ease;
            line-height: 1.6;
        }

        /* Smooth Scrolling */
        html {
            scroll-behavior: smooth;
        }

/*Karin Css daga faq file*/
/* FAQ Section (Added view all) */
        .faq-section {
            padding: 100px 5%;
            background: var(--white);
        }

        .faq-item {
            background: var(--background);
            border-radius: 12px;
            margin-bottom: 15px;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
            overflow: hidden;
        }

        .faq-question {
            padding: 18px 25px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            color: var(--text);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            padding: 0 25px;
            transition: max-height 0.3s ease, padding 0.3s ease;
            color: var(--gray);
            border-top: 1px solid var(--light-gray);
        }
        
        .faq-item.active .faq-answer {
            max-height: 200px; 
            padding: 0 25px 15px;
        }

        .faq-footer {
            text-align: center;
            margin-top: 40px;
        }

 /* Video Overview Section (New) */
        .video-overview-section {
            padding: 80px 5%;
            background-color: var(--light-gray);
            text-align: center;
        }
        
        .youtube-container {
            max-width: 800px;
            margin: 30px auto 0;
            position: relative;
            padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
            height: 0;
            overflow: hidden;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        }

        .youtube-container iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border: none;
        }



.earnchain-definition-container {
            background: var(--white);
            border-radius: 16px;
            padding: 40px;
            margin: 50px auto;
            max-width: 1000px;
            text-align: left;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
            border-left: 5px solid var(--primary);
            transition: all 0.3s ease;
        }
        
        .earnchain-definition-container h3 {
            font-size: 1.8rem; 
            margin-bottom: 15px; 
            color: var(--primary); 
        }



        /* Nav Controls (Mobile Toggles & Theme) */
        .nav-controls {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .theme-toggle, .menu-toggle, .close-btn {
            background: none;
            border: none;
            font-size: 22px;
            color: var(--text);
            cursor: pointer;
            padding: 5px;
            border-radius: 50%;
            transition: all 0.3s ease;
        }

        .menu-toggle {
            display: none; /* Hide on Desktop */
        }
        
        .theme-toggle:hover, .menu-toggle:hover, .close-btn:hover {
            color: var(--primary);
            background: var(--light-gray);
        }

        /* Navbar Links */
        .nav-links {
            display: flex;
            gap: 30px;
            align-items: center;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--text);
            font-weight: 500;
            transition: all 0.3s ease;
            position: relative;
        }

        .nav-links a:hover, .nav-links a.active {
            color: var(--primary);
        }
        /* Sign-up button removed from main nav bar */


        /* Mobile Navigation (Professional Sidebar Style) */
        .mobile-nav {
            position: fixed;
            top: 0;
            right: -300px; /* Hidden initially */
            width: 300px;
            height: 100%;
            background: var(--white);
            box-shadow: -5px 0 15px rgba(0, 0, 0, 0.2);
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 15px;
            z-index: 1050;
            transition: right 0.3s ease;
        }

        .mobile-nav.active {
            right: 0; /* Slide in */
        }

        .mobile-nav a {
            text-decoration: none;
            color: var(--text);
            font-weight: 500;
            padding: 12px 15px;
            border-radius: 8px;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 10px;
            border-left: 3px solid transparent;
        }

        .mobile-nav a:hover,
        .mobile-nav a.active {
            background-color: var(--background);
            color: var(--primary);
            border-left: 3px solid var(--primary);
        }

        .mobile-nav-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: 15px;
            margin-bottom: 10px;
            border-bottom: 1px solid var(--light-gray);
        }

        .mobile-nav-header .close-btn {
            font-size: 24px;
            color: var(--gray);
            cursor: pointer;
        }


        /* Navbar Styles */
        .navbar {
            background-color: var(--white);
            box-shadow: var(--shadow);
            padding: 15px 5%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            transition: all 0.3s ease;
        }

        .navbar.scrolled {
            padding: 10px 5%;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
        }

        .logo {
            display: flex;
            align-items: center;
        }

        .logo-icon {
            font-size: 28px;
            color: var(--primary);
            margin-right: 10px;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }

        .logo-text {
            font-size: 24px;
            font-weight: 700;
            color: var(--text);
        }

        .nav-controls {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .nav-links {
            display: flex;
            gap: 30px;
            align-items: center;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--text);
            font-weight: 500;
            transition: all 0.3s ease;
            position: relative;
        }

        .nav-links a:hover {
            color: var(--primary);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width 0.3s ease;
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        .nav-links a.active {
            color: var(--primary);
        }

        .nav-links a.active::after {
            width: 100%;
        }

        .btn {
            padding: 12px 24px;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            text-decoration: none;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }

        .btn-primary {
            background-color: var(--primary);
            color: white;
        }

        .btn-primary:hover {
            background-color: var(--secondary);
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0, 170, 255, 0.4);
border: 2px solid var(--primary);
      }

        .btn-outline {
            background-color: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

        .btn-outline:hover {
            background-color: var(--primary);
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0, 170, 255, 0.3);
        }

        .btn-lg {
            padding: 16px 32px;
            font-size: 18px;
        }
    

        /* Hero Section */
        .hero {
            padding: 160px 5% 100px;
            background: linear-gradient(135deg, var(--background) 0%, #e0f2ff 100%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        [data-theme="dark"] .hero {
            background: linear-gradient(135deg, var(--background) 0%, #1e3a5f 100%);
        }

        .hero-content {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
            animation: fadeInUp 1s ease;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .hero-badge {
            display: inline-block;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: white;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 20px;
            box-shadow: 0 4px 15px rgba(0, 170, 255, 0.3);
            animation: pulse 2s infinite;
        }

        .hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 20px;
            line-height: 1.2;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

        .hero-subtitle {
            font-size: 1.25rem;
            color: var(--gray);
            margin-bottom: 40px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-actions {
            display: flex;
            gap: 20px;
            justify-content: center;
            margin-bottom: 50px;
            flex-wrap: wrap;
        }

        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 50px;
            flex-wrap: wrap;
        }

        .stat-item {
            text-align: center;
            animation: fadeIn 1s ease;
            animation-delay: 0.5s;
            animation-fill-mode: both;
        }

        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }

        .stat-value {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary);
            display: block;
        }

        .stat-label {
            color: var(--gray);
            font-size: 0.9rem;
        }

        /* Live Statistics Section */
        .live-stats {
            padding: 80px 5%;
            background: var(--white);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .stat-card {
            text-align: center;
            padding: 40px 20px;
            background: var(--background);
            border-radius: 15px;
            transition: all 0.3s ease;
            box-shadow: var(--card-shadow);
            opacity: 0;
            transform: translateY(30px);
            border-left: 5px solid #00aaff; 
            border-right: 5px solid #00aaff; 
        }

        .stat-card.animate {
            opacity: 1;
            transform: translateY(0);
        }

        .stat-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }

        .stat-icon {
            font-size: 40px;
            margin-bottom: 20px;
            color: var(--primary);
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }

        .stat-desc {
            color: var(--gray);
            font-size: 1rem;
        }

        /* Features Section */
        .section {
            padding: 100px 5%;
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.6s ease;
        }

        .section.animate {
            opacity: 1;
            transform: translateY(0);
        }

        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-title {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: linear-gradient(to right, var(--primary), var(--accent));
            border-radius: 2px;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--gray);
            max-width: 600px;
            margin: 0 auto;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .feature-card {
            background-color: var(--white);
            border-radius: 15px;
            padding: 40px 30px;
            text-align: center;
            box-shadow: var(--card-shadow);
            transition: all 0.3s ease;
            border: 1px solid var(--light-gray);
            opacity: 0;
            transform: translateY(30px);
        }

        .feature-card.animate {
            opacity: 1;
            transform: translateY(0);
        }

        .feature-card:hover {
            transform: translateY(-15px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }

        .feature-icon {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            margin: 0 auto 25px;
            box-shadow: 0 8px 20px rgba(0, 170, 255, 0.3);
            transition: transform 0.3s ease;
        }

        .feature-card:hover .feature-icon {
            transform: scale(1.1) rotate(5deg);
        }

        .feature-title {
            font-size: 1.4rem;
            font-weight: 600;
            margin-bottom: 15px;
            color: var(--text);
        }

        .feature-description {
            color: var(--gray);
            line-height: 1.6;
            font-size: 0.95rem;
        }

        /* How It Works - Tree Structure Section */
        .levels-section {
            background-color: var(--light-gray);
            padding: 100px 5%;
        }

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

        .tree-structure {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 60px;
            margin: 60px 0;
            position: relative;
        }

        .level-row {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 40px;
            width: 100%;
            position: relative;
        }

        .level-node {
            text-align: center;
            padding: 30px;
            background: var(--white);
            border-radius: 15px;
            box-shadow: var(--card-shadow);
            transition: all 0.3s ease;
            min-width: 200px;
            position: relative;
            z-index: 2;
            opacity: 0;
            transform: translateY(30px);
 }

        .level-node.animate {
            opacity: 1;
            transform: translateY(0);
        }

        .level-node:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
        }

        .level-badge {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            margin: 0 auto 15px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }

        .level-1 .level-badge { background: linear-gradient(135deg, #00aaff, #0077cc); }
        .level-2 .level-badge { background: linear-gradient(135deg, #16a34a, #15803d); }
        .level-3 .level-badge { background: linear-gradient(135deg, #f59e0b, #d97706); }
        .level-4 .level-badge { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }

        .level-title {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text);
        }

        .level-description {
            color: var(--gray);
            margin-bottom: 15px;
            font-size: 0.9rem;
        }

        .level-stats {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--primary);
        }

        .connection-line {
            position: absolute;
            background: linear-gradient(to bottom, var(--primary), var(--accent));
            z-index: 1;
        }

        .vertical-line {
            width: 3px;
            height: 60px;
            left: 50%;
            transform: translateX(-50%);
        }

        .branch-lines {
            display: flex;
            justify-content: space-between;
            width: 100%;
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
        }

        .branch-line {
            height: 3px;
            flex: 1;
            background: linear-gradient(to right, var(--primary), var(--accent));
            margin: 0 10px;
        }

        /* Earnings Calculator Section */
        .calculator-section {
            padding: 100px 5%;
            background: linear-gradient(135deg, var(--background) 0%, #e8f4ff 100%);
        }

        .calculator {
            max-width: 800px;
            margin: 0 auto;
            background: var(--white);
            border-radius: 20px;
            padding: 40px;
            box-shadow: var(--shadow);
            transition: all 0.3s ease;
            opacity: 0;
            transform: translateY(30px);
border-top: 5px solid #00aaff;
border-bottom: 5px solid #00aaff; }

        .calculator.animate {
            opacity: 1;
            transform: translateY(0);
        }

        .calculator:hover {
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
        }

        .calculator-inputs {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin-bottom: 40px;
        }

        .input-group {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .input-group label {
            font-weight: 600;
            color: var(--text);
        }

        .input-group input,
        .input-group select {
            padding: 12px 15px;
            border: 2px solid var(--light-gray);
            border-radius: 8px;
            font-size: 16px;
            transition: all 0.3s ease;
            background: var(--white);
            color: var(--text);
        }

        .input-group input:focus,
        .input-group select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 170, 255, 0.1);
        }

        .calculator-results {
            background: var(--light-gray);
            border-radius: 15px;
            padding: 30px;
            box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.05);
            border-left: 5px solid #00aaff; 
border-right: 5px solid #00aaff; }

        .earning-breakdown {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .earning-level {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px solid var(--gray);
            transition: all 0.3s ease;
        }

        .earning-level:hover {
            transform: translateX(5px);
        }

        .earning-level:last-child {
            border-bottom: none;
        }

        .total-earning {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            border-top: 2px solid var(--primary);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--accent);
        }

        /* Security Section */
        .security-section {
            padding: 100px 5%;
            background: var(--white);
        }

        .security-features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .security-item {
            text-align: center;
            padding: 40px 20px;
            background: var(--background);
            border-radius: 15px;
            transition: all 0.3s ease;
            box-shadow: var(--card-shadow);
            opacity: 0;
            transform: translateY(30px);
            border-left: 5px solid #00aaff; 
            border-right: 5px solid #00aaff; }

        .security-item.animate {
            opacity: 1;
            transform: translateY(0);
        }

        .security-item:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }

        .security-item i {
            font-size: 48px;
            color: var(--primary);
            margin-bottom: 20px;
            transition: transform 0.3s ease;
        }

        .security-item:hover i {
            transform: scale(1.1);
        }

        .security-item h4 {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 15px;
            color: var(--text);
        }

        .security-item p {
            color: var(--gray);
            line-height: 1.6;
        }

        /* Pricing Section */
        .pricing-section {
            padding: 100px 5%;
            background: var(--light-gray);
        }

        .pricing-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .pricing-card {
            background: var(--white);
            border-radius: 20px;
            padding: 40px 30px;
            text-align: center;
            box-shadow: var(--card-shadow);
            transition: all 0.3s ease;
            position: relative;
            border: 2px solid transparent;
            opacity: 0;
            transform: translateY(30px);
        }

        .pricing-card.animate {
            opacity: 1;
            transform: translateY(0);
        }

        .pricing-card:hover {
            transform: translateY(-15px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }

        .pricing-card.popular {
            border-color: var(--primary);
            transform: scale(1.05);
        }

        .pricing-card.popular:hover {
            transform: scale(1.05) translateY(-15px);
        }

        .plan-badge {
            position: absolute;
            top: -15px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary);
            color: white;
            padding: 8px 20px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
            box-shadow: 0 5px 15px rgba(0, 170, 255, 0.3);
        }

        .plan-name {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 15px;
            color: var(--text);
        }

        .plan-price {
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .plan-price span {
            font-size: 1rem;
            color: var(--gray);
        }

        .plan-features {
            list-style: none;
            margin-bottom: 30px;
            text-align: left;
        }

        .plan-features li {
            padding: 8px 0;
            color: var(--gray);
            display: flex;
            align-items: center;
            gap: 10px;
            transition: all 0.3s ease;
        }

        .plan-features li:hover {
            color: var(--text);
            transform: translateX(5px);
        }

        .plan-features li:before {
            content: "✓";
            color: var(--accent);
            font-weight: bold;
        }

        /* Testimonials Section */
        .testimonials {
            padding: 100px 5%;
            background-color: var(--white);
border-top: 3px solid #00aaff;
border-radius: 10px;        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .testimonial-card {
            background: var(--background);
            border-radius: 15px;
            padding: 30px;
            box-shadow: var(--card-shadow);
            border-left: 4px solid var(--primary);
            transition: all 0.3s ease;
            opacity: 0;
            transform: translateY(30px);
border-right: 4px solid #00aaff; }

        .testimonial-card.animate {
            opacity: 1;
            transform: translateY(0);
        }

        .testimonial-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }

        .testimonial-content {
            font-style: italic;
            color: var(--gray);
            margin-bottom: 20px;
            line-height: 1.6;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .author-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--primary);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            box-shadow: 0 5px 15px rgba(0, 170, 255, 0.3);
        }

        .author-info h4 {
            font-weight: 600;
            margin-bottom: 5px;
        }

        .author-info p {
            color: var(--gray);
            font-size: 0.9rem;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            text-align: center;
            padding: 80px 5%;
            border-radius: 20px;
            margin: 0 5% 100px;
            box-shadow: var(--shadow);
            transition: all 0.3s ease;
            opacity: 0;
            transform: translateY(30px);
        }

        .cta-section.animate {
            opacity: 1;
            transform: translateY(0);
        }

        .cta-section:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 170, 255, 0.4);
        }

        .cta-title {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .cta-description {
            font-size: 1.1rem;
            margin-bottom: 40px;
            opacity: 0.9;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-btn {
            background-color: white;
            color: var(--primary);
            font-size: 1.1rem;
            padding: 16px 40px;
        }

        .cta-btn:hover {
            background-color: var(--light-gray);
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
        }

        /* Footer */
        .footer {
            background-color: var(--white);
            padding: 30px 5%;
            border-top: 1px solid var(--light-gray);
border-top: 2px solid #00aaff; }

        .footer-content {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 30px;
        }

        .footer-section {
            flex: 1;
            min-width: 200px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
        }

        .footer-logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
        }

        .footer-description {
            color: var(--gray);
            margin-bottom: 15px;
            line-height: 1.6;
        }

        .social-links {
            display: flex;
            gap: 15px;
        }

        .social-link {text-decoration: none;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background-color: var(--light-gray);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text);
            transition: all 0.3s ease;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        }

        .social-link:hover {
            background-color: var(--primary);
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 8px 15px rgba(0, 170, 255, 0.3);
        }

        .footer-heading {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 15px;
            color: var(--text);
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            
            color: var(--gray);
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .footer-links a:hover {
            color: var(--primary);
            transform: translateX(5px);
        }

        .footer-bottom {
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid var(--light-gray);
            text-align: center;
            color: var(--gray);
        }

        /* Floating Animation */
        @keyframes float {
            0% { transform: translateY(0px); }
            50% { transform: translateY(-10px); }
            100% { transform: translateY(0px); }
        }

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

        /* Scroll to Top Button */
        .scroll-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 5px 15px rgba(0, 170, 255, 0.3);
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
        }

        .scroll-to-top.active {
            opacity: 1;
            visibility: visible;
        }

        .scroll-to-top:hover {
            background: var(--secondary);
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0, 170, 255, 0.4);
        }

        /* Mobile Responsiveness */
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

            .menu-toggle {
                display: block;
            }

            .hero {
                padding: 140px 4% 80px;
            }

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

            .hero-actions {
                flex-direction: column;
                align-items: center;
            }

            .hero-actions .btn {
                width: 100%;
                max-width: 300px;
            }

            .tree-structure {
                gap: 40px;
            }

            .level-row {
                flex-direction: column;
                gap: 20px;
            }

            .vertical-line {
                display: none;
            }

            .branch-lines {
                display: none;
            }

            .section {
                padding: 80px 4%;
            }

            .section-title {
                font-size: 2rem;
            }

            .calculator-inputs {
                grid-template-columns: 1fr;
            }

            .pricing-cards {
                grid-template-columns: 1fr;
            }

            .pricing-card.popular {
                transform: none;
            }

            .pricing-card.popular:hover {
                transform: translateY(-15px);
            }

            .cta-section {
                margin: 0 4% 80px;
                padding: 60px 5%;
            }

            .cta-title {
                font-size: 2rem;
            }

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

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 480px) {
            .hero-title {
                font-size: 2rem;
            }

            .hero-stats {
                gap: 30px;
            }

            .stat-value {
                font-size: 2rem;
            }

            .level-node {
                min-width: 100%;
            }

            .stats-grid {
                grid-template-columns: 1fr;
            }
        }