:root {
            --primary: #0052ff;
            --primary-dark: #003cb3;
            --dark: #0a0b0d;
            --gray: #6b7280;
            --light: #f3f4f6;
            --white: #ffffff;
            --radius: 16px;
            --shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Inter', sans-serif;
            background: #ffffff;
            color: var(--dark);
            line-height: 1.6;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, #f0f4ff 0%, #e0ebff 100%);
            padding: 80px 0;
            text-align: center;
        }
        .hero-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .hero-content {
            max-width: 800px;
            margin-bottom: 3rem;
            text-align: center;
        }
        .hero h1 {
            font-size: 3rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--dark);
        }
        .hero p {
            font-size: 1.25rem;
            color: var(--gray);
            max-width: 700px;
            margin: 0 auto 2rem;
        }
        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin-bottom: 3rem;
        }
        .hero-chart-container {
            width: 100%;
            max-width: 900px;
            height: 400px;
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            margin: 0 auto;
        }
        .tradingview-widget {
            width: 100%;
            height: 100%;
        }
        .btn-primary {
            background: var(--primary);
            color: var(--white);
            padding: 0.875rem 2rem;
            border-radius: 8px;
            font-weight: 600;
            text-decoration: none;
            transition: background 0.2s;
            display: inline-block;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
        }
        .btn-secondary {
            background: var(--white);
            color: var(--primary);
            padding: 0.875rem 2rem;
            border-radius: 8px;
            font-weight: 600;
            text-decoration: none;
            border: 1px solid var(--primary);
            transition: all 0.2s;
            display: inline-block;
        }
        .btn-secondary:hover {
            background: var(--primary);
            color: var(--white);
        }
        /* Live Prices */
        .live-prices {
            padding: 80px 0;
            background: var(--white);
        }
        .live-prices h2 {
            text-align: center;
            font-size: 2rem;
            margin-bottom: 3rem;
            color: var(--dark);
        }
        .prices-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
        }
        .price-card {
            background: var(--light);
            border-radius: var(--radius);
            padding: 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: transform 0.2s;
        }
        .price-card:hover {
            transform: translateY(-5px);
        }
        .crypto-info {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .crypto-icon {
            width: 40px;
            height: 40px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-weight: bold;
        }
        .crypto-details .crypto-name {
            font-weight: 600;
            color: var(--dark);
        }
        .crypto-details .crypto-pair {
            font-size: 0.875rem;
            color: var(--gray);
        }
        .crypto-price {
            text-align: right;
        }
        .price-amount {
            font-weight: 600;
            color: var(--dark);
        }
        .price-change {
            font-size: 0.875rem;
            color: #10b981;
        }
        /* Features */
        .features {
            padding: 80px 0;
            background: var(--light);
        }
        .features h2 {
            text-align: center;
            font-size: 2rem;
            margin-bottom: 3rem;
            color: var(--dark);
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .feature-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 2rem;
            text-align: center;
            box-shadow: var(--shadow);
            transition: transform 0.2s;
        }
        .feature-card:hover {
            transform: translateY(-5px);
        }
        .feature-icon {
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }
        .feature-card h3 {
            font-size: 1.25rem;
            margin-bottom: 1rem;
            color: var(--dark);
        }
        .feature-card p {
            color: var(--gray);
        }
        /* How It Works */
        .how-it-works {
            padding: 80px 0;
            background: var(--white);
        }
        .how-it-works h2 {
            text-align: center;
            font-size: 2rem;
            margin-bottom: 3rem;
            color: var(--dark);
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .step {
            text-align: center;
            position: relative;
        }
        .step-number {
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            margin: 0 auto 1rem;
        }
        .step-icon {
            font-size: 2rem;
            margin-bottom: 1rem;
        }
        .step h3 {
            font-size: 1.25rem;
            margin-bottom: 1rem;
            color: var(--dark);
        }
        .step p {
            color: var(--gray);
        }
        /* Popular Crypto */
        .popular-crypto {
            padding: 80px 0;
            background: var(--light);
        }
        .popular-crypto h2 {
            text-align: center;
            font-size: 2rem;
            margin-bottom: 3rem;
            color: var(--dark);
        }
        .crypto-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
        }
        .crypto-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 1.5rem;
            text-decoration: none;
            color: var(--dark);
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            transition: transform 0.2s;
        }
        .crypto-card:hover {
            transform: translateY(-5px);
        }
        .crypto-card .crypto-icon {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-weight: bold;
            margin-bottom: 1rem;
        }
        .crypto-card h3 {
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
        }
        .crypto-card p {
            color: var(--gray);
            font-size: 0.875rem;
            margin-bottom: 1rem;
        }
        .crypto-card .crypto-price {
            font-weight: 600;
            color: var(--dark);
        }
        .crypto-card .price-change {
            font-size: 0.75rem;
            color: #10b981;
        }
        /* CTA Section */
        .cta-section {
            padding: 100px 0;
            background: linear-gradient(135deg, #0052ff 0%, #003cb3 100%);
            color: var(--white);
            text-align: center;
        }
        .cta-section h2 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }
        .cta-section p {
            font-size: 1.25rem;
            margin-bottom: 2rem;
            opacity: 0.9;
        }
        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 1rem;
        }
        .btn-large {
            padding: 1rem 2.5rem;
            font-size: 1.1rem;
        }
        .btn-secondary.btn-large {
            background: transparent;
            color: var(--white);
            border: 2px solid var(--white);
        }
        .btn-secondary.btn-large:hover {
            background: var(--white);
            color: var(--primary);
        }
        /* Footer */
        footer {
            background: var(--dark);
            color: var(--white);
            padding: 50px 0 20px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-column h3 {
            font-size: 1.25rem;
            margin-bottom: 1rem;
        }
        .footer-column ul {
            list-style: none;
        }
        .footer-column ul li {
            margin-bottom: 0.5rem;
        }
        .footer-column ul li a {
            color: #d1d5db;
            text-decoration: none;
            transition: color 0.2s;
        }
        .footer-column ul li a:hover {
            color: var(--white);
        }
        .footer-bottom {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #374151;
            color: #9ca3af;
            font-size: 0.875rem;
        }
        .crypto-icon-img {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            object-fit: contain;
        }
        /* Responsive */
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            .btn-primary, .btn-secondary {
                width: 100%;
                max-width: 300px;
            }
            .hero {
                padding: 60px 0;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
            .btn-primary, .btn-secondary {
                width: 100%;
                max-width: 300px;
            }
            .hero-chart-container {
                height: 300px;
            }
            .tradingview-widget-container {
                margin: 2rem 0;
                height: 500px;
                border-radius: var(--radius);
                overflow: hidden;
                box-shadow: var(--shadow);
            }
            .tradingview-widget-container__widget {
                width: 100%;
                height: 100%;
            }
        }