* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        :root {
            --primary: #4361ee;
            --secondary: #3f37c9;
            --accent: #4895ef;
            --light: #f8f9fa;
            --dark: #212529;
            --gray: #6c757d;
            --success: #4cc9f0;
            --transition: all 0.3s ease;
        }
        
        body {
            font-family: 'Open Sans', sans-serif;
            line-height: 1.6;
            color: var(--dark);
            background-color: #f5f7ff;
            overflow-x: hidden;
        }
        
        h1, h2, h3, h4 {
            font-family: 'Montserrat', sans-serif;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 1rem;
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        .btn {
            display: inline-block;
            padding: 12px 30px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 16px;
            transition: var(--transition);
            cursor: pointer;
            border: none;
            text-align: center;
        }
        
        .btn-primary {
            background: var(--primary);
            color: white;
            box-shadow: 0 4px 15px rgba(67, 97, 238, 0.3);
        }
        
        .btn-primary:hover {
            background: var(--secondary);
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(67, 97, 238, 0.4);
        }
        
        .btn-secondary {
            background: white;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        
        .btn-secondary:hover {
            background: var(--primary);
            color: white;
            transform: translateY(-3px);
        }
        
        .btn-large {
            padding: 15px 40px;
            font-size: 18px;
        }
        
        .section {
            padding: 100px 0;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 60px;
            position: relative;
        }
        
        .section-title h2 {
            font-size: 36px;
            color: var(--dark);
            display: inline-block;
            position: relative;
        }
        
        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 70px;
            height: 4px;
            background: var(--primary);
            border-radius: 2px;
        }
        
        .text-center {
            text-align: center;
        }
        
        /* Header Styles */
        header {
            background: white;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        
        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
        }
        
        .logo {
            display: flex;
            align-items: center;
        }
        
        .logo img {
            height: 40px;
            margin-right: 10px;
        }
        
        .logo h1 {
            font-size: 24px;
            margin-bottom: 0;
            color: var(--primary);
        }
        
        .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin-left: 30px;
        }
        
        .nav-links a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 600;
            font-size: 16px;
            transition: var(--transition);
        }
        
        .nav-links a:hover {
            color: var(--primary);
        }
        
        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, #4361ee 0%, #3a0ca3 100%);
            color: white;
            padding: 120px 0 80px;
            position: relative;
            overflow: hidden;
        }
        
        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -10%;
            width: 120%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 70%);
        }
        
        .hero-content {
            display: flex;
            align-items: center;
            position: relative;
            z-index: 2;
        }
        
        .hero-text {
            flex: 1;
            padding-right: 50px;
        }
        
        .hero-text h1 {
            font-size: 48px;
            margin-bottom: 20px;
            line-height: 1.3;
        }
        
        .hero-text p {
            font-size: 18px;
            margin-bottom: 30px;
            opacity: 0.9;
        }
        
        .hero-image {
            flex: 1;
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
            transform: perspective(1000px) rotateY(-5deg);
            transition: var(--transition);
        }
        
        .hero-image:hover {
            transform: perspective(1000px) rotateY(0);
        }
        
        .hero-image img {
            width: 100%;
            display: block;
            border-radius: 20px;
        }
        
        .hero-buttons {
            display: flex;
            gap: 15px;
        }
        
        /* Features Section */
        .features {
            background: white;
        }
        
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
        }
        
        .feature-card {
            background: white;
            border-radius: 15px;
            padding: 30px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
        }
        
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(67, 97, 238, 0.15);
        }
        
        .feature-icon {
            width: 80px;
            height: 80px;
            background: rgba(67, 97, 238, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
            font-size: 32px;
            color: var(--primary);
        }
        
        .feature-card h3 {
            font-size: 22px;
            margin-bottom: 15px;
        }
        
        /* Screenshots Section */
        .screenshots {
            background: #f5f7ff;
        }
        
        .screenshots-container {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            justify-content: center;
        }
        
        .screenshot-card {
            flex: 1;
            min-width: 300px;
            max-width: 380px;
            background: white;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
        }
        
        .screenshot-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(67, 97, 238, 0.15);
        }
        
        .screenshot-img {
            height: 250px;
            overflow: hidden;
        }
        
        .screenshot-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        
        .screenshot-card:hover .screenshot-img img {
            transform: scale(1.05);
        }
        
        .screenshot-info {
            padding: 20px;
        }
        
        .screenshot-info h3 {
            font-size: 20px;
            margin-bottom: 10px;
        }
        
        /* Download Section */
        .download {
            background: linear-gradient(135deg, #3a0ca3 0%, #4361ee 100%);
            color: white;
            text-align: center;
        }
        
        .download h2 {
            color: white;
        }
        
        .download p {
            max-width: 700px;
            margin: 0 auto 40px;
            font-size: 18px;
            opacity: 0.9;
        }
        
        .platforms {
            display: flex;
            justify-content: center;
            gap: 30px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }
        
        .platform-card {
            background: rgba(255, 255, 255, 0.1);
            border-radius: 15px;
            padding: 30px;
            width: 220px;
            transition: var(--transition);
            backdrop-filter: blur(5px);
        }
        
        .platform-card:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-5px);
        }
        
        .platform-icon {
            font-size: 48px;
            margin-bottom: 20px;
        }
        
        /* Testimonials */
        .testimonials {
            background: white;
        }
        
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .testimonial-card {
            background: white;
            border-radius: 15px;
            padding: 30px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            position: relative;
        }
        
        .testimonial-card::before {
            content: '"';
            position: absolute;
            top: 20px;
            left: 20px;
            font-size: 60px;
            font-family: serif;
            color: rgba(67, 97, 238, 0.1);
            line-height: 1;
        }
        
        .testimonial-content {
            margin-bottom: 20px;
            font-style: italic;
        }
        
        .testimonial-author {
            display: flex;
            align-items: center;
        }
        
        .author-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            margin-right: 15px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
        }
        
        /* FAQ Section */
        .faq {
            background: #f5f7ff;
        }
        
        .faq-grid {
            max-width: 800px;
            margin: 0 auto;
        }
        
        .faq-item {
            margin-bottom: 20px;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .faq-question {
            background: white;
            padding: 20px;
            font-weight: 600;
            font-size: 18px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .faq-answer {
            background: white;
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
        }
        
        .faq-item.active .faq-answer {
            padding: 20px;
            max-height: 1000px;
        }
        
        .faq-toggle {
            transition: transform 0.3s ease;
        }
        
        .faq-item.active .faq-toggle {
            transform: rotate(180deg);
        }
        
        /* Footer */
        footer {
            background: var(--dark);
            color: white;
            padding: 70px 0 30px;
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 50px;
        }
        
        .footer-column h3 {
            color: white;
            font-size: 20px;
            margin-bottom: 25px;
            position: relative;
        }
        
        .footer-column h3::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 40px;
            height: 3px;
            background: var(--primary);
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 15px;
        }
        
        .footer-links a {
            color: #adb5bd;
            text-decoration: none;
            transition: var(--transition);
        }
        
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 5px;
        }
        
        .social-links {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }
        
        .social-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            color: white;
            transition: var(--transition);
        }
        
        .social-links a:hover {
            background: var(--primary);
            transform: translateY(-3px);
        }
        
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #adb5bd;
            font-size: 14px;
        }
        
        /* Responsive */
        @media (max-width: 992px) {
            .hero-content {
                flex-direction: column;
            }
            
            .hero-text {
                padding-right: 0;
                margin-bottom: 50px;
                text-align: center;
            }
            
            .hero-buttons {
                justify-content: center;
            }
            
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        @media (max-width: 768px) {
            .section {
                padding: 70px 0;
            }
            
            .section-title h2 {
                font-size: 32px;
            }
            
            .hero-text h1 {
                font-size: 36px;
            }
            
            .features-grid {
                grid-template-columns: 1fr;
            }
            
            .nav-links {
                display: none;
            }
        }