:root {
            --primary-color: #4f46e5;
            --secondary-color: #f8fafc;
            --accent-color: #06b6d4;
            --text-dark: #1e293b;
            --text-light: #64748b;
            --border-color: #e2e8f0;
            --success-color: #10b981;
            --warning-color: #f59e0b;
            --danger-color: #ef4444;
            --info-color: #3b82f6;
            --orange-color: #fd7e14;
            --purple-color: #8b5cf6;
            --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
            --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
            --border-radius: 12px;
            --border-radius-lg: 20px;
        }

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

        body {
            font-family: 'Inter', system-ui, -apple-system, sans-serif;
            background: linear-gradient(135deg, #ffffff 0%, #f8fafc 50%, #f1f5f9 100%);
            color: var(--text-dark);
            line-height: 1.7;
            overflow-x: hidden;
        }

        /* Animated Background */
        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: 
                radial-gradient(circle at 20% 80%, rgba(79, 70, 229, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 40% 40%, rgba(16, 185, 129, 0.05) 0%, transparent 50%);
            z-index: -1;
            animation: backgroundMove 20s ease-in-out infinite;
        }

        @keyframes backgroundMove {
            0%, 100% { transform: scale(1) rotate(0deg); }
            50% { transform: scale(1.1) rotate(5deg); }
        }

        /* Navigation */
        .landing-nav {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
            padding: 1rem 0;
        }

        .navbar-brand {
            color: var(--text-dark) !important;
            font-weight: 700;
            font-size: 1.5rem;
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            transition: all 0.3s ease;
        }

        .navbar-brand:hover {
            transform: scale(1.05);
        }

        /* Hero Section */
        .hero-section {
            padding: 8rem 0 6rem;
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(248, 250, 252, 0.8) 100%);
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: 
                radial-gradient(circle, rgba(79, 70, 229, 0.05) 0%, transparent 70%);
            animation: heroFloat 15s ease-in-out infinite;
        }

        @keyframes heroFloat {
            0%, 100% { transform: translate(0, 0) scale(1); }
            50% { transform: translate(-20px, -20px) scale(1.1); }
        }

        .hero-image {
            max-width: 400px;
            width: 100%;
            height: auto;
            margin-bottom: 2rem;
            border-radius: var(--border-radius-lg);
            box-shadow: var(--shadow-xl);
            transition: all 0.3s ease;
            position: relative;
            z-index: 1;
        }

        .hero-image:hover {
            transform: translateY(-10px) scale(1.05);
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
        }

        .hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            background: linear-gradient(135deg, var(--text-dark), var(--primary-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
            position: relative;
            z-index: 1;
        }

        .hero-subtitle {
            font-size: 1.3rem;
            color: var(--text-light);
            max-width: 700px;
            margin-bottom: 2rem;
            line-height: 1.6;
            position: relative;
            z-index: 1;
        }

        /* Buttons */
        .btn {
            font-weight: 600;
            border-radius: var(--border-radius);
            padding: 0.875rem 2rem;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            border: none;
            font-size: 1rem;
            position: relative;
            overflow: hidden;
            text-transform: none;
            letter-spacing: 0.025em;
        }

        .btn::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            background: rgba(255, 255, 255, 0.3);
            border-radius: 50%;
            transform: translate(-50%, -50%);
            transition: all 0.5s ease;
            z-index: 0;
        }

        .btn:active::before {
            width: 300px;
            height: 300px;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            color: white;
            box-shadow: 0 10px 30px rgba(79, 70, 229, 0.4);
            position: relative;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 20px 40px rgba(79, 70, 229, 0.5);
        }

        .btn-outline-light {
            border: 2px solid rgba(255, 255, 255, 0.3);
            color: var(--text-dark);
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(20px);
        }

        .btn-outline-light:hover {
            background: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        /* Sections */
        .section-padding {
            padding: 5rem 0;
        }

        .section-title {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--text-dark);
            position: relative;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
            border-radius: 2px;
        }

        .section-subtitle {
            font-size: 1.2rem;
            color: var(--text-light);
            max-width: 600px;
            margin-bottom: 3rem;
            line-height: 1.6;
        }

        /* Feature Cards */
        .feature-card {
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(20px);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius-lg);
            padding: 2.5rem 2rem;
            height: 100%;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
            transition: left 0.6s ease;
        }

        .feature-card:hover::before {
            left: 100%;
        }

        .feature-card:hover {
            transform: translateY(-15px);
            box-shadow: var(--shadow-xl);
            border-color: var(--primary-color);
        }

        .feature-icon {
            font-size: 3rem;
            margin-bottom: 1.5rem;
            transition: all 0.3s ease;
        }

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

        .feature-title {
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 1rem;
            color: var(--text-dark);
        }

        .feature-text {
            color: var(--text-light);
            line-height: 1.6;
            font-size: 1rem;
        }

        /* Pricing Card */
        .pricing-card {
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.95), rgba(248, 250, 252, 0.9));
            backdrop-filter: blur(20px);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius-lg);
            padding: 3rem 2.5rem;
            box-shadow: var(--shadow-xl);
            position: relative;
            overflow: hidden;
            transition: all 0.4s ease;
        }

        .pricing-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 6px;
            background: linear-gradient(90deg, var(--primary-color), var(--accent-color), var(--success-color));
        }

        .pricing-card:hover {
            transform: scale(1.05);
            box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
        }

        .pricing-title {
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
            color: var(--text-dark);
        }

        .pricing-price {
            font-size: 3rem;
            font-weight: 800;
            margin-bottom: 2rem;
            color: var(--primary-color);
        }

        .pricing-price sup {
            font-size: 1.2rem;
            font-weight: 600;
        }

        .pricing-duration {
            font-size: 1rem;
            color: var(--text-light);
            font-weight: 400;
        }

        .pricing-features {
            margin-bottom: 2rem;
        }

        .pricing-features li {
            padding: 0.5rem 0;
            color: var(--text-light);
            position: relative;
            padding-left: 2rem;
        }

        .pricing-features li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--success-color);
            font-weight: bold;
            font-size: 1.2rem;
        }

        /* FAQ Section */
        .accordion {
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .accordion-item {
            border: none;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(20px);
        }

        .accordion-button {
            background: rgba(248, 250, 252, 0.8);
            border: none;
            color: var(--text-dark);
            font-weight: 600;
            padding: 1.5rem 2rem;
            transition: all 0.3s ease;
        }

        .accordion-button:not(.collapsed) {
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            color: white;
            box-shadow: none;
        }

        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.25);
        }

        .accordion-body {
            padding: 2rem;
            color: var(--text-light);
            line-height: 1.7;
            background: rgba(255, 255, 255, 0.9);
        }

        /* Footer */
        footer {
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(248, 250, 252, 0.9));
            backdrop-filter: blur(20px);
            border-top: 1px solid var(--border-color);
            margin-top: 4rem;
        }

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

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

        .feature-card {
            animation: fadeInUp 0.6s ease forwards;
        }

        .feature-card:nth-child(1) { animation-delay: 0.1s; }
        .feature-card:nth-child(2) { animation-delay: 0.2s; }
        .feature-card:nth-child(3) { animation-delay: 0.3s; }

        .pricing-card {
            animation: fadeInUp 0.8s ease forwards;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.5rem;
            }
            
            .hero-subtitle {
                font-size: 1.1rem;
            }
            
            .section-title {
                font-size: 2rem;
            }
            
            .feature-card {
                padding: 2rem 1.5rem;
            }
            
            .pricing-card {
                padding: 2rem 1.5rem;
            }
            
            .btn {
                padding: 0.75rem 1.5rem;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 576px) {
            .hero-section {
                padding: 6rem 0 4rem;
            }
            
            .section-padding {
                padding: 3rem 0;
            }
            
            .hero-image {
                max-width: 300px;
            }
        }

        /* Scrollbar */
        ::-webkit-scrollbar {
            width: 8px;
        }

        ::-webkit-scrollbar-track {
            background: var(--secondary-color);
        }

        ::-webkit-scrollbar-thumb {
            background: linear-gradient(180deg, var(--primary-color), var(--accent-color));
            border-radius: 4px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary-color);
        }

        /* Floating Animation for Hero */
        .hero-image {
            animation: float 6s ease-in-out infinite;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0px); }
            50% { transform: translateY(-20px); }
        }

        /* Glowing Effect */
        .btn-primary {
            position: relative;
        }

        .btn-primary::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            border-radius: var(--border-radius);
            z-index: -1;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .btn-primary:hover::after {
            opacity: 0.3;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { transform: scale(1); opacity: 0.3; }
            50% { transform: scale(1.1); opacity: 0.1; }
            100% { transform: scale(1); opacity: 0.3; }
        }