* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
            color: #fff;
            min-height: 100vh;
            overflow-x: hidden;
            position: relative;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }
        
        /* Header Styles */
        header {
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            animation: fadeIn 1s ease-out;
        }
        
        .logo {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .logo-icon {
            font-size: 2.5rem;
            color: #4dabf7;
        }
        
        .logo-text {
            font-size: 1.8rem;
            font-weight: 700;
            background: linear-gradient(to right, #4dabf7, #3bc9db);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        
        nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        
        nav a {
            color: #e9ecef;
            text-decoration: none;
            font-weight: 500;
            font-size: 1.1rem;
            transition: color 0.3s;
            position: relative;
        }
        
        nav a:hover {
            color: #4dabf7;
        }
        
        nav a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: #4dabf7;
            transition: width 0.3s;
        }
        
        nav a:hover::after {
            width: 100%;
        }
        
        /* Hero Section */
        .hero {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 80px 0;
            gap: 50px;
        }
        
        .hero-content {
            flex: 1;
            animation: slideInLeft 1s ease-out;
        }
        
        .hero h1 {
            font-size: 3.5rem;
            line-height: 1.2;
            margin-bottom: 20px;
            background: linear-gradient(to right, #fff, #a5d8ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        
        .hero p {
            font-size: 1.2rem;
            line-height: 1.6;
            color: #e9ecef;
            margin-bottom: 30px;
            max-width: 600px;
        }
        
        .cta-button {
            display: inline-block;
            background: linear-gradient(to right, #339af0, #22b8cf);
            color: white;
            padding: 15px 40px;
            border-radius: 50px;
            font-size: 1.2rem;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
            border: none;
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }
        
        .cta-button:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 25px rgba(0, 0, 0, 0.3);
        }
        
        .cta-button:active {
            transform: translateY(0);
        }
        
        .cta-button::after {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: 0.5s;
        }
        
        .cta-button:hover::after {
            left: 100%;
        }
        
        .hero-image {
            flex: 1;
            display: flex;
            justify-content: center;
            animation: float 6s ease-in-out infinite;
        }
        
        .code-box {
            background: #1e2a3a;
            border-radius: 15px;
            padding: 25px;
            width: 100%;
            max-width: 450px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
            position: relative;
            overflow: hidden;
        }
        
        .code-header {
            display: flex;
            gap: 10px;
            margin-bottom: 20px;
        }
        
        .code-dot {
            width: 15px;
            height: 15px;
            border-radius: 50%;
        }
        
        .dot-red { background: #ff5f56; }
        .dot-yellow { background: #ffbd2e; }
        .dot-green { background: #27c93f; }
        
        .code-content {
            font-family: 'Courier New', monospace;
            font-size: 1.1rem;
            line-height: 1.6;
        }
        
        .code-line {
            margin: 8px 0;
        }
        
        .code-comment { color: #5c6773; }
        .code-keyword { color: #ff7b72; }
        .code-function { color: #d2a8ff; }
        .code-var { color: #79c0ff; }
        .code-string { color: #a5d6ff; }
        
        /* Features Section */
        .features {
            padding: 80px 0;
            text-align: center;
        }
        
        .section-title {
            font-size: 2.5rem;
            margin-bottom: 15px;
            background: linear-gradient(to right, #4dabf7, #3bc9db);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        
        .section-subtitle {
            font-size: 1.2rem;
            color: #a5d8ff;
            max-width: 700px;
            margin: 0 auto 60px;
        }
        
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .feature-card {
            background: rgba(255, 255, 255, 0.05);
            border-radius: 15px;
            padding: 40px 30px;
            transition: transform 0.3s, background 0.3s;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .feature-card:hover {
            transform: translateY(-10px);
            background: rgba(255, 255, 255, 0.1);
        }
        
        .feature-icon {
            font-size: 3rem;
            color: #4dabf7;
            margin-bottom: 20px;
        }
        
        .feature-title {
            font-size: 1.5rem;
            margin-bottom: 15px;
        }
        
        .feature-desc {
            color: #ced4da;
            line-height: 1.6;
        }
        
        /* Security Levels Section */
        .security-levels {
            padding: 80px 0;
            background: rgba(0, 0, 0, 0.2);
            margin: 40px 0;
            border-radius: 20px;
        }
        
        .levels-container {
            display: flex;
            justify-content: center;
            gap: 30px;
            flex-wrap: wrap;
        }
        
        .level-card {
            background: rgba(255, 255, 255, 0.05);
            border-radius: 15px;
            padding: 30px;
            width: 250px;
            text-align: center;
            transition: transform 0.3s;
            border: 2px solid transparent;
        }
        
        .level-card:hover {
            transform: translateY(-10px);
            border-color: #4dabf7;
        }
        
        .level-icon {
            font-size: 2.5rem;
            margin-bottom: 20px;
            color: #4dabf7;
        }
        
        .level-title {
            font-size: 1.4rem;
            margin-bottom: 15px;
        }
        
        .level-desc {
            color: #ced4da;
        }
        
        /* Testimonials */
        .testimonials {
            padding: 80px 0;
        }
        
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .testimonial-card {
            background: rgba(255, 255, 255, 0.05);
            border-radius: 15px;
            padding: 30px;
            position: relative;
        }
        
        .testimonial-card::before {
            content: '"';
            position: absolute;
            top: 20px;
            left: 20px;
            font-size: 4rem;
            color: rgba(77, 171, 247, 0.2);
            font-family: Georgia, serif;
        }
        
        .testimonial-text {
            margin: 30px 0 20px;
            font-style: italic;
            line-height: 1.7;
        }
        
        .client-info {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .client-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(135deg, #4dabf7, #3bc9db);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }
        
        /* Footer */
        footer {
            text-align: center;
            padding: 30px 0;
/*            border-top: 1px solid rgba(255, 255, 255, 0.1);*/
            margin-top: 40px;
        }
        
        .footer-content {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 40px;
            text-align: left;
            margin-bottom: 30px;
        }
        
        .footer-column {
            flex: 1;
            min-width: 250px;
        }
        
        .footer-title {
            font-size: 1.3rem;
            margin-bottom: 20px;
            color: #4dabf7;
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 10px;
        }
        
        .footer-links a {
            color: #ced4da;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .footer-links a:hover {
            color: #4dabf7;
        }
        
        .copyright {
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #a5d8ff;
        }
        
        /* Animations */
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        
        @keyframes slideInLeft {
            from { transform: translateX(-50px); opacity: 0; }
            to { transform: translateX(0); opacity: 1; }
        }
        
        @keyframes float {
            0% { transform: translateY(0px); }
            50% { transform: translateY(-20px); }
            100% { transform: translateY(0px); }
        }
        
        /* Responsive */
        @media (max-width: 900px) {
            .hero {
                flex-direction: column;
                text-align: center;
            }
            
            .hero-content {
                display: flex;
                flex-direction: column;
                align-items: center;
            }
            
            nav ul {
                display: none;
            }
        }