:root {
            --primary: #00C853;
            --primary-dark: #009624;
            --primary-light: rgba(0, 200, 83, 0.1);
            --dark: #1a1a1a;
            --light: #f8f9fa;
            --gray: #6c757d;
            --white: #ffffff;
            --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 15px 40px rgba(0, 200, 83, 0.15);
            --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            --border-radius: 16px;
            --gradient: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            --text-dark: #1a1a1a;
            --text-medium: #4a4a4a;
            --text-light: #777;
            --bg-light: #f9f9f9;
            --bg-dark: #1a1a1a;
            --border-color: #e8e8e8;
            --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 8px 25px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 15px 50px rgba(0, 0, 0, 0.15);
            --border-radius-sm: 10px;
            --border-radius-md: 16px;
            --border-radius-lg: 24px;
            --premium-gradient: linear-gradient(135deg, #8A2BE2 0%, #4B0082 100%);
            --gold: #FFD700;
            --silver: #C0C0C0;
            --secondary: #2962FF;
            --luxury-gold: #D4AF37;
            --luxury-purple: #6A0DAD;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
        }

        body {
            background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
            color: var(--text-dark);
            min-height: 100vh;
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* Luxury Header */
        .luxury-header {
            background: var(--white);
            box-shadow: var(--shadow);
            position: relative;
            z-index: 100;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.5rem 0;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .brand-logo {
            font-size: 2.5rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .brand-tagline {
            font-size: 0.9rem;
            color: var(--gray);
            font-weight: 500;
        }

        .nav-links {
            display: flex;
            gap: 2rem;
        }

        .nav-link {
            color: var(--text-medium);
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }

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

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

        .nav-link:hover::after {
            width: 100%;
        }

        /* Hero Section */
        .hero {
            padding: 5rem 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 100%;
            background: linear-gradient(135deg, rgba(0, 200, 83, 0.03) 0%, rgba(41, 98, 255, 0.03) 100%);
            z-index: -1;
        }

        .hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            background: linear-gradient(135deg, var(--dark) 0%, var(--primary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.2;
        }

        .hero-subtitle {
            font-size: 1.25rem;
            color: var(--text-medium);
            max-width: 700px;
            margin: 0 auto 2.5rem;
            font-weight: 400;
        }

        .premium-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.75rem;
            background: var(--premium-gradient);
            color: white;
            padding: 0.75rem 1.5rem;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 2rem;
            box-shadow: var(--shadow-md);
        }

        .cta-button {
            background: var(--premium-gradient);
            color: white;
            padding: 1rem 2.5rem;
            border-radius: var(--border-radius-sm);
            font-weight: 600;
            font-size: 1.1rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: var(--shadow-md);
            display: inline-flex;
            align-items: center;
            gap: 0.75rem;
        }

        .cta-button:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

        /* Main App */
        .app-section {
            padding: 4rem 0;
        }

        .app-container {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 3rem;
            margin-bottom: 3rem;
        }

        @media (max-width: 968px) {
            .app-container {
                grid-template-columns: 1fr;
            }
        }

        /* Control Panel */
        .control-panel {
            background: var(--white);
            border-radius: var(--border-radius-md);
            padding: 2.5rem;
            box-shadow: var(--shadow);
            display: flex;
            flex-direction: column;
            gap: 2rem;
            transition: var(--transition);
            border: 1px solid rgba(0, 0, 0, 0.03);
            position: relative;
            overflow: hidden;
        }

        .control-panel::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 5px;
            background: var(--premium-gradient);
        }

        .panel-title {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--dark);
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .panel-title i {
            color: var(--primary);
            background: var(--primary-light);
            width: 50px;
            height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
        }

        .input-group {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        label {
            font-weight: 600;
            color: var(--dark);
            font-size: 1rem;
        }

        input, select {
            padding: 1rem 1.25rem;
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius-sm);
            font-size: 1rem;
            transition: var(--transition);
            background: var(--white);
        }

        input:focus, select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px var(--primary-light);
        }

        .color-pickers {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }

        .color-picker {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .color-picker label {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .color-picker input {
            width: 100%;
            height: 60px;
            padding: 0.5rem;
            border: none;
            cursor: pointer;
            border-radius: var(--border-radius-sm);
            box-shadow: var(--shadow-sm);
        }

        .slider-container {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .slider {
            -webkit-appearance: none;
            width: 100%;
            height: 8px;
            border-radius: 5px;
            background: var(--border-color);
            outline: none;
        }

        .slider::-webkit-slider-thumb {
            -webkit-appearance: none;
            appearance: none;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--primary);
            cursor: pointer;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            border: 3px solid white;
        }

        .slider::-webkit-slider-thumb:hover {
            background: var(--primary-dark);
            transform: scale(1.1);
        }

        .button-group {
            display: flex;
            gap: 1rem;
            margin-top: 1rem;
        }

        .btn {
            padding: 1rem 1.75rem;
            border: none;
            border-radius: var(--border-radius-sm);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.75rem;
            font-size: 1rem;
        }

        .btn-primary {
            background: var(--gradient);
            color: white;
            flex: 1;
            box-shadow: var(--shadow-sm);
        }

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

        .btn-secondary {
            background: var(--light);
            color: var(--dark);
            border: 1px solid var(--border-color);
        }

        .btn-secondary:hover {
            background: var(--white);
            border-color: var(--primary);
            color: var(--primary);
        }

        .btn:disabled {
            opacity: 0.6;
            cursor: not-allowed;
            transform: none !important;
            box-shadow: none !important;
        }

        .shape-selector {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 1rem;
        }

        .shape-option {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.75rem;
            padding: 1rem 0.5rem;
            border-radius: var(--border-radius-sm);
            border: 1px solid var(--border-color);
            background: var(--white);
            cursor: pointer;
            transition: var(--transition);
        }

        .shape-option:hover {
            border-color: var(--primary);
            transform: translateY(-3px);
        }

        .shape-option.active {
            border-color: var(--primary);
            background: var(--primary-light);
        }

        .shape-preview {
            width: 50px;
            height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: white;
            border-radius: 10px;
            font-size: 1.25rem;
        }

        .shape-circle {
            border-radius: 50%;
        }

        .shape-square {
            border-radius: 0;
        }

        .shape-triangle {
            background: transparent;
            color: var(--primary);
            clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
        }

        .shape-hexagon {
            background: transparent;
            color: var(--primary);
            clip-path: polygon(25% 0%, 75% 0%, 100% 50%, 75% 100%, 25% 100%, 0% 50%);
        }

        .shape-rounded {
            border-radius: 15px;
        }

        /* AI Features Section */
        .ai-features {
            background: var(--white);
            border-radius: var(--border-radius-md);
            padding: 2.5rem;
            box-shadow: var(--shadow);
            margin-top: 2rem;
            position: relative;
            overflow: hidden;
        }

        .ai-features::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 5px;
            background: var(--premium-gradient);
        }

        .ai-features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin-top: 1.5rem;
        }

        .ai-feature {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            padding: 1.5rem;
            border-radius: var(--border-radius-sm);
            background: var(--light);
            transition: var(--transition);
        }

        .ai-feature:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
        }

        .ai-icon {
            width: 60px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--gradient);
            color: white;
            border-radius: 50%;
            font-size: 1.5rem;
            margin-bottom: 1rem;
        }

        .ai-feature-title {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--dark);
        }

        .ai-feature-description {
            color: var(--text-medium);
            font-size: 0.9rem;
        }

        /* Logo Style Options */
        .logo-styles {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 1rem;
            margin-top: 1rem;
        }

        .style-option {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.75rem;
            padding: 1rem;
            border-radius: var(--border-radius-sm);
            border: 1px solid var(--border-color);
            background: var(--white);
            cursor: pointer;
            transition: var(--transition);
        }

        .style-option:hover {
            border-color: var(--primary);
            transform: translateY(-3px);
        }

        .style-option.active {
            border-color: var(--primary);
            background: var(--primary-light);
        }

        .style-preview {
            width: 80px;
            height: 80px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            font-weight: 700;
            font-size: 0.9rem;
            text-align: center;
        }

        /* Preview Panel */
        .preview-panel {
            display: flex;
            flex-direction: column;
            gap: 2.5rem;
        }

        .preview-container {
            background: var(--white);
            border-radius: var(--border-radius-md);
            padding: 3rem;
            box-shadow: var(--shadow);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-height: 450px;
            position: relative;
            overflow: hidden;
            transition: var(--transition);
        }

        .preview-container::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 5px;
            background: var(--premium-gradient);
        }

        .logo-preview {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            padding: 2rem;
            width: 100%;
        }

        .logo-shape {
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            transition: var(--transition);
            box-shadow: var(--shadow-md);
            position: relative;
        }

        .logo-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            width: 100%;
            height: 100%;
            padding: 1rem;
        }

        .logo-icon {
            font-size: 2.5rem;
            margin-bottom: 0.75rem;
            display: none;
        }

        .logo-text {
            font-weight: 700;
            text-align: center;
            transition: var(--transition);
            line-height: 1.2;
        }

        .logo-slogan {
            font-size: 0.9rem;
            text-align: center;
            margin-top: 0.5rem;
            display: none;
        }

        .preview-actions {
            display: flex;
            gap: 1rem;
            width: 100%;
        }

        .preview-actions .btn {
            flex: 1;
        }

        .payment-section {
            background: var(--white);
            border-radius: var(--border-radius-md);
            padding: 2.5rem;
            box-shadow: var(--shadow);
            display: flex;
            flex-direction: column;
            gap: 2rem;
            position: relative;
            overflow: hidden;
        }

        .payment-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 5px;
            background: var(--premium-gradient);
        }

        .payment-info {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 2rem;
            background: linear-gradient(135deg, var(--primary-light) 0%, rgba(41, 98, 255, 0.1) 100%);
            border-radius: var(--border-radius-sm);
            border-left: 5px solid var(--primary);
        }

        .price {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .price::before {
            content: '₦';
            font-size: 2rem;
        }

        .payment-methods {
            display: flex;
            gap: 1rem;
        }

        .payment-btn {
            flex: 1;
            background: var(--premium-gradient);
            color: white;
            padding: 1.25rem 2rem;
            border-radius: var(--border-radius-sm);
            border: none;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            box-shadow: var(--shadow-md);
            font-size: 1.1rem;
        }

        .payment-btn:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }

        .download-section {
            display: none;
            flex-direction: column;
            gap: 1.5rem;
            margin-top: 1rem;
            padding-top: 2rem;
            border-top: 1px solid var(--border-color);
        }

        .download-buttons {
            display: flex;
            gap: 1rem;
        }

        .download-buttons .btn {
            flex: 1;
        }

        /* Why Pay Section */
        .why-pay {
            background: var(--white);
            border-radius: var(--border-radius-md);
            padding: 4rem 3rem;
            box-shadow: var(--shadow);
            margin: 4rem 0;
            position: relative;
            overflow: hidden;
        }

        .why-pay::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 5px;
            background: var(--premium-gradient);
        }

        .section-title {
            font-size: 2.5rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 3rem;
            color: var(--dark);
        }

        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2.5rem;
        }

        .benefit-card {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            padding: 2.5rem 2rem;
            border-radius: var(--border-radius-sm);
            background: var(--light);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .benefit-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--primary);
        }

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

        .benefit-icon {
            width: 80px;
            height: 80px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--gradient);
            color: white;
            border-radius: 50%;
            font-size: 2rem;
            margin-bottom: 1.5rem;
            box-shadow: var(--shadow-md);
        }

        .benefit-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--dark);
        }

        .benefit-description {
            color: var(--text-medium);
            line-height: 1.7;
        }

        /* AI Capabilities Section */
        .ai-capabilities {
            padding: 4rem 0;
            background: linear-gradient(135deg, rgba(0, 200, 83, 0.03) 0%, rgba(41, 98, 255, 0.03) 100%);
            border-radius: var(--border-radius-md);
            margin: 4rem 0;
        }

        .capabilities-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2.5rem;
            margin-top: 3rem;
        }

        .capability-card {
            background: var(--white);
            padding: 2.5rem;
            border-radius: var(--border-radius-sm);
            box-shadow: var(--shadow);
            transition: var(--transition);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .capability-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--premium-gradient);
        }

        .capability-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

        .capability-icon {
            width: 80px;
            height: 80px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--gradient);
            color: white;
            border-radius: 50%;
            font-size: 2rem;
            margin: 0 auto 1.5rem;
            box-shadow: var(--shadow-md);
        }

        .capability-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--dark);
        }

        .capability-description {
            color: var(--text-medium);
            line-height: 1.7;
        }

        /* Footer */
        footer {
            text-align: center;
            padding: 3rem 0;
            color: var(--gray);
            border-top: 1px solid var(--border-color);
            margin-top: 4rem;
        }

        .powered-by {
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.75rem;
            margin-bottom: 1rem;
        }

        .copyright {
            font-size: 0.9rem;
        }

        /* Animations */
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .fade-in {
            animation: fadeIn 0.6s ease forwards;
        }

        /* Toast notifications */
        .toast {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            padding: 1.25rem 1.75rem;
            background: var(--dark);
            color: white;
            border-radius: var(--border-radius-sm);
            box-shadow: var(--shadow-lg);
            z-index: 1000;
            display: flex;
            align-items: center;
            gap: 0.75rem;
            transform: translateY(100px);
            opacity: 0;
            transition: var(--transition);
        }

        .toast.show {
            transform: translateY(0);
            opacity: 1;
        }

        .toast-success {
            background: var(--primary);
        }

        .toast-error {
            background: #ef4444;
        }

        /* Responsive adjustments */
        @media (max-width: 768px) {
            .container {
                padding: 0 1rem;
            }
            
            .control-panel, .preview-container, .payment-section, .why-pay, .ai-features {
                padding: 2rem 1.5rem;
            }
            
            .button-group, .preview-actions, .download-buttons, .payment-methods {
                flex-direction: column;
            }
            
            .color-pickers {
                grid-template-columns: 1fr;
            }
            
            .shape-selector, .logo-styles, .ai-features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .benefits-grid, .capabilities-grid {
                grid-template-columns: 1fr;
            }
            
            .hero-title {
                font-size: 2.5rem;
            }
            
            .hero-subtitle {
                font-size: 1.1rem;
            }
            
            .nav-links {
                display: none;
            }
            
            .header-content {
                justify-content: center;
            }
        }