:root {
            --primary-color: #C0C000;
            --dark-bg: #0a0a0a;
            --light-text: #f0f0f0;
            --accent-glow: rgba(192, 192, 0, 0.6);
            --speed-slow: 10s;
            --speed-medium: 5s;
            --speed-fast: 2s;
            --panel-bg: rgba(20, 20, 25, 0.8);
            --input-bg: rgba(30, 30, 35, 0.7);
            --border-color: rgba(192, 192, 0, 0.3);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background-color: var(--dark-bg);
            color: var(--light-text);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            position: relative;
        }
        
        .noise {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/png;base64,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');
            opacity: 0.03;
            z-index: -1;
            pointer-events: none;
        }
        
        .particles-container {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -2;
            overflow: hidden;
        }
        
        .particle {
            position: absolute;
            width: 3px;
            height: 3px;
            background-color: var(--primary-color);
            border-radius: 50%;
            opacity: 0.5;
            animation: float var(--speed-medium) linear infinite;
        }
        
        @keyframes float {
            0% {
                transform: translateY(100vh) translateX(0);
                opacity: 0;
            }
            10% {
                opacity: 0.8;
            }
            90% {
                opacity: 0.8;
            }
            100% {
                transform: translateY(-20vh) translateX(20vw);
                opacity: 0;
            }
        }
        
        .circle-decoration {
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            border: 2px solid var(--primary-color);
            top: -200px;
            right: -200px;
            opacity: 0.1;
            z-index: -1;
            animation: rotate var(--speed-slow) linear infinite;
        }
        
        .circle-decoration:nth-child(2) {
            width: 300px;
            height: 300px;
            left: -150px;
            bottom: -150px;
            animation: rotate var(--speed-medium) linear infinite reverse;
        }
        
        @keyframes rotate {
            from {
                transform: rotate(0deg);
            }
            to {
                transform: rotate(360deg);
            }
        }
        
        header {
            padding: 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: relative;
            backdrop-filter: blur(5px);
            z-index: 100;
            animation: fadeInDown 1s ease;
            box-shadow: 0 5px 20px rgba(0,0,0,0.2);
        }
        
        @keyframes fadeInDown {
            from {
                opacity: 0;
                transform: translateY(-30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .logo {
            display: flex;
            align-items: center;
            font-size: 2rem;
            font-weight: bold;
            text-transform: uppercase;
            letter-spacing: 2px;
        }
        
        .logo-text {
            background: linear-gradient(90deg, var(--primary-color), #ffffff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            position: relative;
            animation: shimmer 3s infinite;
        }
        
        @keyframes shimmer {
            0% {
                background-position: -200% center;
            }
            100% {
                background-position: 200% center;
            }
        }
        
        .logo-icon {
            width: 36px;
            height: 36px;
            margin-right: 10px;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        
        .logo-icon svg {
            fill: var(--primary-color);
        }
        
        .step-indicator {
            display: flex;
            justify-content: center;
            align-items: center;
            margin: 2rem 0;
        }
        
        .step {
            display: flex;
            flex-direction: column;
            align-items: center;
            margin: 0 1rem;
            position: relative;
            color: #666;
        }
        
        .step.active {
            color: var(--primary-color);
        }
        
        .step.completed {
            color: var(--primary-color);
        }
        
        .step-number {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            border: 2px solid #666;
            display: flex;
            justify-content: center;
            align-items: center;
            margin-bottom: 0.5rem;
            font-weight: bold;
            position: relative;
            z-index: 1;
            background-color: var(--dark-bg);
        }
        
        .step.active .step-number {
            border-color: var(--primary-color);
            box-shadow: 0 0 10px var(--accent-glow);
        }
        
        .step.completed .step-number {
            border-color: var(--primary-color);
            background-color: var(--primary-color);
            color: var(--dark-bg);
        }
        
        .step-label {
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        
        .step-connection {
            height: 2px;
            width: 100px;
            background-color: #666;
            position: absolute;
            top: 15px;
            left: calc(100% + 5px);
        }
        
        .step.completed .step-connection {
            background-color: var(--primary-color);
        }
        
        .container {
            max-width: 1200px;
            width: 100%;
            margin: 0 auto;
            padding: 0 2rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        
        .checkout-container {
            display: flex;
            gap: 2rem;
            margin-top: 2rem;
            flex-direction: column;
        }
        
        @media (min-width: 768px) {
            .checkout-container {
                flex-direction: row;
            }
        }
        
        .checkout-form {
            flex: 1;
            background-color: var(--panel-bg);
            border-radius: 8px;
            padding: 2rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            border: 1px solid var(--border-color);
            animation: fadeIn 0.6s ease backwards;
        }
        
        .order-summary {
            width: 100%;
            max-width: 400px;
            background-color: var(--panel-bg);
            border-radius: 8px;
            padding: 2rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            border: 1px solid var(--border-color);
            height: fit-content;
            animation: fadeIn 0.6s ease backwards;
            animation-delay: 0.2s;
        }
        
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        h1 {
            font-size: 2rem;
            margin-bottom: 1.5rem;
            text-align: center;
            color: var(--light-text);
        }
        
        h2 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: var(--primary-color);
        }
        
        .form-section {
            margin-bottom: 2rem;
        }
        
        .form-group {
            margin-bottom: 1.5rem;
        }
        
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-size: 0.9rem;
            color: #aaa;
        }
        
        input, select {
            width: 100%;
            padding: 0.75rem;
            border-radius: 4px;
            border: 1px solid var(--border-color);
            background-color: var(--input-bg);
            color: var(--light-text);
            font-size: 1rem;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }
        
        input:focus, select:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 2px var(--accent-glow);
        }
        
        .input-row {
            display: flex;
            gap: 1rem;
        }
        
        .input-row .form-group {
            flex: 1;
        }
        
        .btn {
            display: inline-block;
            padding: 1rem 2rem;
            background: var(--primary-color);
            color: #000;
            text-decoration: none;
            font-weight: bold;
            border-radius: 4px;
            text-transform: uppercase;
            letter-spacing: 1px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            position: relative;
            overflow: hidden;
            z-index: 1;
            cursor: pointer;
            border: none;
            width: 100%;
            font-size: 1rem;
            animation: pulseButton 3s infinite;
            margin-top: 1rem;
        }
        
        @keyframes pulseButton {
            0% {
                box-shadow: 0 0 0 0 rgba(192, 192, 0, 0.6);
            }
            70% {
                box-shadow: 0 0 0 15px rgba(192, 192, 0, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(192, 192, 0, 0);
            }
        }
        
        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(192, 192, 0, 0.3);
        }
        
        .btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: rgba(255, 255, 255, 0.2);
            transform: skewX(-30deg);
            transition: left 0.5s ease;
            z-index: -1;
        }
        
        .btn:hover::before {
            left: 100%;
        }
        
        .secure-badge {
            display: flex;
            align-items: center;
            justify-content: center;
            margin-top: 1rem;
            color: #aaa;
            font-size: 0.9rem;
        }
        
        .secure-badge svg {
            width: 16px;
            height: 16px;
            margin-right: 0.5rem;
            fill: var(--primary-color);
        }
        
        .highlight {
            color: var(--primary-color);
            font-weight: bold;
        }
        
        .product-details {
            display: flex;
            align-items: center;
            margin-bottom: 1.5rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid var(--border-color);
        }
        
        .product-icon {
            width: 60px;
            height: 60px;
            background-color: var(--input-bg);
            border-radius: 8px;
            display: flex;
            justify-content: center;
            align-items: center;
            margin-right: 1rem;
            border: 1px solid var(--border-color);
        }
        
        .product-icon svg {
            width: 36px;
            height: 36px;
            fill: var(--primary-color);
        }
        
        .product-info h3 {
            font-size: 1.2rem;
            margin-bottom: 0.3rem;
        }
        
        .price {
            color: var(--primary-color);
            font-weight: bold;
            font-size: 1.1rem;
        }
        
        .summary-row {
            display: flex;
            justify-content: space-between;
            margin-bottom: 0.75rem;
            color: #aaa;
        }
        
        .total-row {
            display: flex;
            justify-content: space-between;
            margin-top: 1rem;
            padding-top: 1rem;
            border-top: 1px solid var(--border-color);
            font-size: 1.2rem;
            font-weight: bold;
        }
        
        .benefits {
            margin-top: 1.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-color);
        }
        
        .benefits h4 {
            color: var(--primary-color);
            margin-bottom: 1rem;
            font-size: 1rem;
        }
        
        .benefits ul {
            list-style: none;
        }
        
        .benefits ul li {
            padding: 0.5rem 0;
            color: #ddd;
            position: relative;
            padding-left: 1.5rem;
        }
        
        .benefits ul li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--primary-color);
        }
        
        .cc-icons {
            display: flex;
            gap: 0.5rem;
            margin-top: 0.5rem;
        }
        
        .cc-icon {
            width: 40px;
            height: 25px;
            background-color: rgba(255, 255, 255, 0.1);
            border-radius: 4px;
            display: flex;
            justify-content: center;
            align-items: center;
            font-size: 0.7rem;
            color: var(--light-text);
            font-weight: bold;
        }
        
        .powered-by {
            margin-top: 1rem;
            text-align: center;
            font-size: 0.8rem;
            color: #666;
        }
        
        .powered-by a {
            color: #aaa;
            text-decoration: none;
        }
        
        .back-link {
            display: inline-block;
            margin-top: 2rem;
            color: #aaa;
            text-decoration: none;
            font-size: 0.9rem;
            transition: color 0.3s ease;
        }
        
        .back-link:hover {
            color: var(--primary-color);
        }
        
        .back-link svg {
            width: 14px;
            height: 14px;
            margin-right: 0.3rem;
            fill: currentColor;
            vertical-align: middle;
        }
        
        footer {
            padding: 2rem;
            text-align: center;
            color: #666;
            position: relative;
            border-top: 1px solid rgba(192, 192, 0, 0.1);
            margin-top: 3rem;
        }
        
        /* Generate particles with JavaScript */
        @keyframes glowing {
            0% { box-shadow: 0 0 5px var(--primary-color); }
            50% { box-shadow: 0 0 20px var(--primary-color), 0 0 30px var(--primary-color); }
            100% { box-shadow: 0 0 5px var(--primary-color); }
        }