:root {
            --primary: #0088cc; /* Telegram Blue */
            --primary-dark: #006699;
            --secondary: #7c4dff;
            --accent: #00c853;
            --dark: #1a1a2e;
            --light: #f8f9fa;
            --gray: #6c757d;
            --light-gray: #e9ecef;
            --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            --gradient-dark: linear-gradient(135deg, var(--primary-dark) 0%, #5a32cc 100%);
            --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.12);
            --border-radius: 16px;
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', sans-serif;
            line-height: 1.6;
            color: var(--dark);
            background-color: white;
            overflow-x: hidden;
        }

        h1, h2, h3, h4, h5 {
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 1rem;
        }

        h1 {
            font-size: 3.5rem;
        }

        h2 {
            font-size: 2.5rem;
        }

        h3 {
            font-size: 1.8rem;
        }

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

        section {
            padding: 80px 0;
        }

        .btn {
            display: inline-block;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            font-size: 1rem;
        }

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

        .btn-primary:hover {
            background: var(--gradient-dark);
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

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

        .btn-outline:hover {
            background: rgba(0, 136, 204, 0.1);
            transform: translateY(-3px);
        }

        .telegram-icon {
            color: var(--primary);
        }

        /* Header */
        header {
            position: fixed;
            top: 0;
            width: 100%;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
            padding: 20px 0;
        }

        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 800;
            font-size: 1.8rem;
            color: var(--dark);
            text-decoration: none;
        }

        .logo span {
            color: var(--primary);
        }

        .logo i {
            font-size: 2.2rem;
        }

        nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }

        nav a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }

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

        nav a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gradient);
            transition: var(--transition);
        }

        nav a:hover::after {
            width: 100%;
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--dark);
            cursor: pointer;
        }

        /* Hero Section */
        .hero {
            padding-top: 160px;
            padding-bottom: 100px;
            position: relative;
            overflow: hidden;
        }

        .hero-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
        }

        .hero-text {
            flex: 1;
        }

        .hero-text h1 {
            margin-bottom: 20px;
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-text p {
            font-size: 1.2rem;
            color: var(--gray);
            margin-bottom: 30px;
            max-width: 600px;
        }

        .hero-buttons {
            display: flex;
            gap: 20px;
            margin-top: 40px;
        }

        .hero-image {
            flex: 1;
            position: relative;
        }

        .telegram-device {
            position: relative;
            width: 100%;
            max-width: 500px;
            margin-left: auto;
        }

        .device-screen {
            position: relative;
            background: var(--dark);
            border-radius: 30px;
            padding: 40px 20px;
            box-shadow: var(--shadow-hover);
            overflow: hidden;
        }

        .screen-content {
            background: white;
            border-radius: 20px;
            padding: 20px;
            font-family: 'JetBrains Mono', monospace;
            color: var(--dark);
            min-height: 300px;
            position: relative;
        }

        .code-line {
            margin-bottom: 10px;
            display: flex;
            align-items: center;
        }

        .code-line-number {
            color: var(--gray);
            margin-right: 15px;
            min-width: 30px;
        }

        .code-keyword {
            color: #d32f2f;
        }

        .code-function {
            color: var(--primary);
        }

        .code-string {
            color: var(--accent);
        }

        .bot-icon {
            position: absolute;
            bottom: 20px;
            right: 20px;
            width: 60px;
            height: 60px;
            background: var(--gradient);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.8rem;
            animation: float 3s ease-in-out infinite;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-15px); }
        }

        /* Services Section */
        .services {
            background-color: var(--light);
        }

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

        .section-header h2 {
            color: var(--dark);
            margin-bottom: 15px;
        }

        .section-header p {
            color: var(--gray);
            max-width: 600px;
            margin: 0 auto;
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .service-card {
            background: white;
            border-radius: var(--border-radius);
            padding: 40px 30px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            text-align: center;
        }

        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow-hover);
        }

        .service-icon {
            width: 80px;
            height: 80px;
            background: rgba(0, 136, 204, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
            font-size: 2rem;
            color: var(--primary);
        }

        .service-card h3 {
            margin-bottom: 15px;
        }

        .service-card p {
            color: var(--gray);
            margin-bottom: 20px;
        }

        /* Portfolio Section */
        .portfolio-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 30px;
        }

        .portfolio-item {
            background: white;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .portfolio-item:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow-hover);
        }

        .portfolio-image {
            height: 200px;
            background: var(--gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 3.5rem;
            position: relative;
            overflow: hidden;
        }

        .portfolio-content {
            padding: 30px;
        }

        .portfolio-content h3 {
            margin-bottom: 10px;
        }

        .portfolio-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin: 15px 0;
        }

        .tag {
            background: rgba(0, 136, 204, 0.1);
            color: var(--primary);
            padding: 5px 12px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 500;
        }

        /* Process Section */
        .process {
            background-color: var(--light);
        }

        .process-steps {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 30px;
            margin-top: 50px;
            position: relative;
        }

        .process-step {
            background: white;
            border-radius: var(--border-radius);
            padding: 30px;
            width: 250px;
            text-align: center;
            box-shadow: var(--shadow);
            position: relative;
            z-index: 1;
        }

        .step-number {
            width: 50px;
            height: 50px;
            background: var(--gradient);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
            margin: 0 auto 20px;
        }

        /* CTA Section */
        .cta {
            text-align: center;
            background: var(--gradient);
            color: white;
            padding: 100px 0;
        }

        .cta h2 {
            margin-bottom: 20px;
        }

        .cta p {
            max-width: 600px;
            margin: 0 auto 40px;
            font-size: 1.1rem;
            opacity: 0.9;
        }

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

        .cta .btn:hover {
            background: var(--light-gray);
            transform: translateY(-3px);
        }

        /* Footer */
        footer {
            background-color: var(--dark);
            color: white;
            padding: 80px 0 30px;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 50px;
        }

        .footer-column h3 {
            margin-bottom: 25px;
            color: white;
        }

        .footer-column p {
            opacity: 0.8;
            margin-bottom: 20px;
        }

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

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: white;
            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;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            color: white;
            text-decoration: none;
            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: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
        }

        /* Responsive */
        @media (max-width: 992px) {
            h1 {
                font-size: 2.8rem;
            }
            
            h2 {
                font-size: 2.2rem;
            }
            
            .hero-content {
                flex-direction: column;
                text-align: center;
            }
            
            .hero-text p {
                margin: 0 auto 30px;
            }
            
            .hero-buttons {
                justify-content: center;
            }
            
            .telegram-device {
                margin: 0 auto;
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
            
            nav {
                position: fixed;
                top: 80px;
                left: 0;
                width: 100%;
                background: white;
                padding: 20px;
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
                transform: translateY(-100%);
                opacity: 0;
                visibility: hidden;
                transition: var(--transition);
            }
            
            nav.active {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            
            nav ul {
                flex-direction: column;
                gap: 15px;
            }
            
            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
            
            .portfolio-grid,
            .services-grid {
                grid-template-columns: 1fr;
            }
        }