        :root {
            --bg: #2a0b3a;
            --surface: #1f1326;
            --accent: #7b3cff;
            --accent-2: #ffcc33;
            --muted: #cfc9e6;
            --glass: rgba(255,255,255,0.04);
            --max-width: 1100px;
            --container-pad: 24px;
            --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            color-scheme: dark;
        }

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

        body {
            background-color: var(--bg);
            color: var(--muted);
            font-family: var(--font-main);
            line-height: 1.6;
            overflow-x: hidden;
        }

        h1, h2, h3 {
            color: #fff;
            font-weight: 700;
            line-height: 1.2;
        }

        a {
            text-decoration: none;
            color: var(--accent-2);
            transition: opacity 0.2s;
        }

        a:hover {
            opacity: 0.8;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--container-pad);
        }

        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, var(--bg) 0%, var(--surface) 100%);
            padding: 120px 0 100px;
            text-align: center;
            position: relative;
            border-bottom: 1px solid var(--glass);
        }

        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            background: linear-gradient(to right, #fff, var(--accent-2));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero p {
            font-size: 1.25rem;
            max-width: 700px;
            margin: 0 auto 40px;
            color: var(--muted);
        }

        .cta-btn {
            display: inline-block;
            background-color: var(--accent);
            color: #fff;
            font-size: 1.2rem;
            font-weight: 600;
            padding: 18px 40px;
            border-radius: 50px;
            box-shadow: 0 4px 20px rgba(123, 60, 255, 0.4);
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(123, 60, 255, 0.6);
            color: #fff;
        }

        .hero-features {
            margin-top: 40px;
            font-size: 0.9rem;
            color: var(--muted);
            opacity: 0.8;
        }

        /* How It Works Section */
        .how-it-works {
            padding: 100px 0;
            background-color: var(--surface);
        }

        .section-title {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 60px;
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .step-card {
            background: var(--glass);
            padding: 30px;
            border-radius: 16px;
            border: 1px solid rgba(255,255,255,0.05);
            position: relative;
            transition: transform 0.3s;
        }

        .step-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent);
        }

        .step-number {
            position: absolute;
            top: -15px;
            left: -15px;
            width: 40px;
            height: 40px;
            background: var(--accent-2);
            color: var(--bg);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
            box-shadow: 0 4px 10px rgba(0,0,0,0.3);
        }

        .step-card h3 {
            margin-bottom: 15px;
            font-size: 1.3rem;
            color: #fff;
        }

        .step-card p {
            font-size: 0.95rem;
            color: var(--muted);
        }

        /* Visual Demo Placeholder */
        .demo-section {
            padding: 80px 0;
            text-align: center;
        }

        .demo-placeholder {
            width: 100%;
            max-width: 900px;
            height: 500px;
            background: #000;
            margin: 0 auto;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px solid var(--glass);
            position: relative;
            overflow: hidden;
        }
        
        .demo-placeholder::after {
            content: "▶ 20s Explainer Video";
            color: var(--muted);
            font-size: 1.2rem;
        }

        /* Usage Options */
        .usage-section {
            padding: 80px 0;
            background: var(--bg);
            text-align: center;
        }

        .usage-cards {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
            margin-top: 40px;
        }

        .usage-card {
            background: var(--surface);
            padding: 40px;
            border-radius: 16px;
            width: 100%;
            max-width: 400px;
            border: 1px solid var(--glass);
        }

        .usage-card h3 {
            color: var(--accent-2);
            margin-bottom: 15px;
        }

        .usage-card:hover,
.usage-card:focus {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.12);
  outline: none;
}

        /* FAQ Section */
        .faq-section {
            padding: 100px 0;
            background: var(--surface);
        }

        .faq-item {
            max-width: 800px;
            margin: 0 auto 30px;
            background: var(--glass);
            padding: 25px;
            border-radius: 12px;
        }

        .faq-item h3 {
            font-size: 1.1rem;
            margin-bottom: 10px;
            color: #fff;
        }

        .faq-item p {
            font-size: 1rem;
            color: var(--muted);
        }

        /* Footer */
        footer {
            background: #150a1f;
            padding: 80px 0 40px;
            text-align: center;
        }

        .footer-cta {
            margin-bottom: 40px;
        }

        .footer-links {
            display: flex;
            justify-content: center;
            gap: 20px;
            font-size: 0.9rem;
            color: var(--muted);
        }

        .python-link {
            font-family: monospace;
            background: var(--glass);
            padding: 10px 20px;
            border-radius: 6px;
            border: 1px solid var(--glass);
        }

        /* Responsive Tweaks */
        @media (max-width: 768px) {
            .hero h1 { font-size: 2.5rem; }
            .steps-grid { grid-template-columns: 1fr; }
            .usage-cards { flex-direction: column; align-items: center; }
        }