:root {
            --primary-color: #4361ee;
            --primary-dark: #3a56d4;
            --secondary-color: #7209b7;
            --accent-color: #f72585;
            --dark-color: #121826;
            --light-color: #f8f9fa;
            --gray-color: #6c757d;
            --success-color: #4cc9f0;
            --gradient-primary: linear-gradient(135deg, #4361ee 0%, #7209b7 100%);
            --gradient-secondary: linear-gradient(135deg, #f72585 0%, #b5179e 100%);
            --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.07);
            --shadow-md: 0 10px 25px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.15);
            --border-radius: 12px;
            --transition: all 0.3s ease;
        }

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

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.2;
        }

        .container {
            max-width: 1200px;
        }

        /* Navigation */
        .navbar {
            padding: 1rem 0;
            transition: var(--transition);
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
        }

        .navbar.scrolled {
            padding: 0.7rem 0;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
        }

        .navbar-brand {
            font-weight: 800;
            font-size: 1.8rem;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-link {
            font-weight: 500;
            padding: 0.5rem 1rem !important;
            margin: 0 0.2rem;
            border-radius: 8px;
            transition: var(--transition);
            color: var(--dark-color) !important;
        }

        .nav-link:hover,
        .nav-link.active {
            background: rgba(67, 97, 238, 0.1);
            color: var(--primary-color) !important;
        }

        .btn-primary {
            background: var(--gradient-primary);
            border: none;
            padding: 0.75rem 1.5rem;
            border-radius: 10px;
            font-weight: 600;
            transition: var(--transition);
            box-shadow: 0 4px 15px rgba(67, 97, 238, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(67, 97, 238, 0.4);
        }

        .btn-outline-primary {
            border: 2px solid var(--primary-color);
            color: var(--primary-color);
            padding: 0.75rem 1.5rem;
            border-radius: 10px;
            font-weight: 600;
            transition: var(--transition);
        }

        .btn-outline-primary:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-3px);
        }

        /* Hero Section */
        .hero-section {
            padding: 120px 0 80px;
            position: relative;
            overflow: hidden;
            background: linear-gradient(135deg, #f5f7ff 0%, #f0f2ff 100%);
        }


        .hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            line-height: 1.1;
        }

        .hero-title span {
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 1.2rem;
            color: var(--gray-color);
            margin-bottom: 2rem;
            max-width: 500px;
        }

        .hero-badge {
            display: inline-block;
            background: var(--gradient-secondary);
            color: white;
            padding: 0.5rem 1rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 1.5rem;
        }

        /* Stats Section */
        .stats-section {
            padding: 60px 0;
            position: relative;
            z-index: 2;
        }

        .stat-card {
            background: white;
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow-md);
            text-align: center;
            transition: var(--transition);
            border: 1px solid rgba(0, 0, 0, 0.05);
        }

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

        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 0.5rem;
        }

        .stat-label {
            color: var(--gray-color);
            font-weight: 500;
        }

        /* Services Section */
        .services-section {
            padding: 100px 0;
            background: #f8f9fa;
        }

        .section-title {
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 1rem;
            text-align: center;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .section-subtitle {
            color: var(--gray-color);
            text-align: center;
            max-width: 600px;
            margin: 0 auto 3rem;
            font-size: 1.1rem;
        }

        .service-card {
            background: white;
            border-radius: var(--border-radius);
            border: none;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            overflow: hidden;
        }

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

        .service-icon {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            font-size: 1.8rem;
            color: white;
        }

        .service-icon.facebook {
            background: linear-gradient(135deg, #1877f2, #0d5cb6);
        }

        .service-icon.instagram {
            background: linear-gradient(135deg, #e4405f, #c13584);
        }

        .service-icon.tiktok {
            background: linear-gradient(135deg, #000000, #25f4ee);
        }

        .service-icon.youtube {
            background: linear-gradient(135deg, #ff0000, #cc0000);
        }

        .service-icon.telegram {
            background: linear-gradient(135deg, #0088cc, #006699);
        }

        .service-icon.twitter {
            background: linear-gradient(135deg, #1da1f2, #0d95e8);
        }

        .service-title {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .service-features {
            list-style: none;
            padding: 0;
        }

        .service-features li {
            padding: 0.3rem 0;
            color: var(--gray-color);
        }

        .service-features li i {
            color: var(--primary-color);
            margin-right: 0.5rem;
        }

        /* How It Works */
        .how-it-works {
            padding: 100px 0;
            background: white;
        }

        .step-card {
            text-align: center;
            padding: 2rem;
            position: relative;
        }

        .step-number {
            width: 50px;
            height: 50px;
            background: var(--gradient-primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
            margin: 0 auto 1.5rem;
            position: relative;
            z-index: 2;
        }

        .step-title {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        /* Testimonials */
        .testimonials-section {
            padding: 100px 0;
            background: linear-gradient(135deg, #4361ee 0%, #3a0ca3 100%);
            color: white;
        }

        .testimonial-card {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: var(--border-radius);
            padding: 2rem;
            height: 100%;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .testimonial-text {
            font-style: italic;
            margin-bottom: 1.5rem;
        }

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

        .author-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            margin-right: 1rem;
            background: white;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-color);
            font-weight: 700;
        }

        /* CTA Section */
        .cta-section {
            padding: 100px 0;
            background: linear-gradient(135deg, #f72585 0%, #7209b7 100%);
            color: white;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
            background-size: 50px 50px;
            animation: moveBackground 20s linear infinite;
        }

        @keyframes moveBackground {
            0% {
                transform: rotate(0deg);
            }

            100% {
                transform: rotate(360deg);
            }
        }

        .cta-title {
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 1rem;
        }

        .cta-subtitle {
            font-size: 1.1rem;
            opacity: 0.9;
            margin-bottom: 2rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-button {
            background: white;
            color: var(--primary-color);
            padding: 1rem 2.5rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
            display: inline-block;
            transition: var(--transition);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        }

        .cta-button:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
            color: var(--primary-color);
        }

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

        .footer-brand {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 1rem;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .footer-links h5 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
        }

        .footer-links ul {
            list-style: none;
            padding: 0;
        }

        .footer-links ul li {
            margin-bottom: 0.8rem;
        }

        .footer-links ul li a {
            color: #b0b7c3;
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-links ul li a:hover {
            color: white;
            padding-left: 5px;
        }

        .social-links {
            display: flex;
            gap: 1rem;
            margin-top: 1.5rem;
        }

        .social-links a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            text-decoration: none;
            transition: var(--transition);
        }

        .social-links a:hover {
            background: var(--primary-color);
            transform: translateY(-3px);
        }

        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #b0b7c3;
            font-size: 0.9rem;
        }

        /* Back to Top */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--gradient-primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            z-index: 1000;
            box-shadow: 0 5px 15px rgba(67, 97, 238, 0.3);
        }

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

        .back-to-top:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(67, 97, 238, 0.4);
        }

        /* Responsive */
        @media (max-width: 992px) {
            .hero-title {
                font-size: 2.8rem;
            }

            .hero-section::before {
                display: none;
            }

            .hero-section {
                padding-bottom: 30px
            }

            .stats-section {
                padding: 30px 0;
            }

            .services-section, .how-it-works, .testimonials-section {
                padding: 40px 0;
            }

            .step-card {
                padding: 0;
            }

            .hero-content {
                text-align: center;
            }

            .hero-subtitle {
                margin-left: auto;
                margin-right: auto;
            }
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.3rem;
            }

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

            .stat-card {
                padding: 1.5rem;
            }

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

        }

        @media (max-width: 576px) {
            .hero-title {
                font-size: 2rem;
            }

            .btn {
                width: 100%;
                margin-bottom: 0.5rem;
            }
        }