:root {
            --font-heading: 'Space Grotesk', sans-serif;
            --font-body: 'Inter', sans-serif;
            
            /* High-end Cyberpunk Apple-style Theme */
            --bg: #000000;
            --bg-secondary: #050508;
            --surface: rgba(15, 15, 20, 0.4);
            --surface-hover: rgba(25, 25, 35, 0.6);
            --border: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(124, 92, 255, 0.5);
            --text: #ffffff;
            --text-secondary: #a1a1aa;
            --text-muted: #52525b;
            
            --accent: #7c5cff;
            --accent-glow: rgba(124, 92, 255, 0.4);
            --cyan: #00f0ff;
            --cyan-glow: rgba(0, 240, 255, 0.3);
            
            --gradient: linear-gradient(135deg, var(--accent) 0%, var(--cyan) 100%);
            --radius: 16px;
            --radius-lg: 24px;
            --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        }

        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        
        body {
            font-family: var(--font-body);
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            position: relative;
        }

        /* Dynamic Grid Background */
        body::before {
            content: '';
            position: fixed;
            inset: 0;
            background-image: 
                linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 50px 50px;
            z-index: -2;
            pointer-events: none;
            mask-image: radial-gradient(circle at 50% 50%, black 20%, transparent 80%);
            -webkit-mask-image: radial-gradient(circle at 50% 50%, black 20%, transparent 80%);
        }

        /* Cursor Glow - fixed offset */
        .cursor-glow {
            position: fixed;
            top: 0;
            left: 0;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, var(--accent-glow) 0%, rgba(0, 240, 255, 0.1) 40%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
            z-index: -1;
            /* Transform handles the centering relative to top/left values set in JS */
            transform: translate(-50%, -50%);
            opacity: 0.8;
            mix-blend-mode: screen;
            /* Smooth tracking */
            transition: left 0.1s ease-out, top 0.1s ease-out;
        }

        /* Typography */
        .text-gradient {
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-block;
        }
        
        .hero-title .text-gradient {
            animation: textShimmer 3s infinite linear;
            background-size: 200% auto;
        }

        @keyframes textShimmer {
            0% { background-position: 0% center; }
            100% { background-position: 200% center; }
        }

        /* Header */
        header {
            position: fixed; top: 0; left: 0; right: 0; z-index: 100;
            background: rgba(0, 0, 0, 0.5); border-bottom: 1px solid var(--border);
            backdrop-filter: blur(30px); -webkit-backdrop-filter: blur(30px);
            transition: var(--transition);
        }
        .header-inner {
            max-width: 1200px; margin: 0 auto; padding: 0 24px; height: 76px;
            display: flex; align-items: center; justify-content: space-between;
        }
        .logo {
            display: flex; align-items: center; gap: 12px;
            font-family: var(--font-heading); font-size: 1.5rem; font-weight: 700;
            color: var(--text); text-decoration: none; transition: var(--transition);
        }
        .logo:hover { transform: scale(1.02); }
        .logo-icon {
            width: 36px; height: 36px; background: var(--gradient);
            border-radius: 10px; display: flex; align-items: center; justify-content: center;
            color: #fff; box-shadow: 0 4px 20px var(--accent-glow);
        }
        
        nav { display: flex; align-items: center; gap: 6px; }
        .nav-link {
            padding: 8px 16px; color: var(--text-secondary); text-decoration: none;
            font-size: 0.95rem; font-weight: 500; border-radius: 10px;
            transition: var(--transition); cursor: pointer; position: relative;
        }
        .nav-link:hover, .nav-link.active { color: var(--text); background: rgba(255,255,255,0.08); }
        
        .header-actions { display: flex; align-items: center; gap: 16px; }
        .lang-switch {
            display: flex; align-items: center; background: rgba(255,255,255,0.05);
            border: 1px solid var(--border); border-radius: 10px; overflow: hidden;
            padding: 4px; gap: 4px; backdrop-filter: blur(10px);
        }
        .lang-btn {
            background: transparent; border: none; color: var(--text-secondary);
            padding: 6px 12px; cursor: pointer; font-family: var(--font-body);
            font-size: 0.85rem; font-weight: 600; transition: var(--transition);
            border-radius: 6px;
        }
        .lang-btn:hover { color: var(--text); }
        .lang-btn.active { background: rgba(255,255,255,0.15); color: var(--text); box-shadow: 0 2px 10px rgba(0,0,0,0.2); }

        .btn {
            display: inline-flex; align-items: center; justify-content: center; gap: 8px;
            padding: 14px 28px; font-size: 1rem; font-weight: 600; border-radius: 14px;
            text-decoration: none; transition: var(--transition); cursor: pointer;
            border: none; font-family: inherit; position: relative; overflow: hidden;
        }
        .btn-primary {
            background: var(--gradient); color: #fff;
            box-shadow: 0 8px 25px rgba(124, 92, 255, 0.4);
        }
        .btn-primary::after {
            content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
            transition: left 0.5s ease;
        }
        .btn-primary:hover {
            transform: translateY(-2px); box-shadow: 0 12px 35px rgba(124, 92, 255, 0.5);
        }
        .btn-primary:hover::after { left: 100%; }
        
        .btn-secondary {
            background: var(--surface); color: var(--text); border: 1px solid var(--border);
            backdrop-filter: blur(20px);
        }
        .btn-secondary:hover {
            background: var(--surface-hover); border-color: var(--cyan);
            transform: translateY(-2px); box-shadow: 0 8px 25px rgba(0, 240, 255, 0.2);
        }

        main { padding-top: 76px; }
        .page { display: none; opacity: 0; transition: opacity 0.4s ease; }
        .page.active { display: block; opacity: 1; }

        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        .section { padding: 60px 0 100px; }
        .section-header { text-align: center; margin-bottom: 70px; }
        .section-title { font-family: var(--font-heading); font-size: 3rem; font-weight: 700; margin-bottom: 20px; letter-spacing: -0.5px; }
        .section-subtitle { font-size: 1.15rem; color: var(--text-secondary); max-width: 600px; margin: 0 auto; line-height: 1.6; }

        /* Reveals */
        .reveal { opacity: 0; transform: translateY(30px) scale(0.95); transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1); }
        .reveal.active { opacity: 1; transform: translateY(0) scale(1); }

        /* Hero */
        .hero { padding: 80px 0 100px; text-align: center; position: relative; perspective: 1000px; }
        .hero-badge {
            display: inline-flex; align-items: center; gap: 8px; padding: 8px 20px;
            background: rgba(124, 92, 255, 0.1); border: 1px solid rgba(124, 92, 255, 0.3);
            color: var(--cyan); border-radius: 50px; font-size: 0.9rem; font-weight: 600;
            margin-bottom: 30px; backdrop-filter: blur(10px); box-shadow: 0 0 30px rgba(124, 92, 255, 0.2);
            transition: var(--transition);
        }
        .hero-badge:hover { transform: translateY(-2px) scale(1.05); box-shadow: 0 0 40px rgba(0, 240, 255, 0.4); border-color: var(--cyan); }
        
        .hero-title {
            font-family: var(--font-heading); font-size: 4.8rem; font-weight: 700;
            line-height: 1.1; margin-bottom: 24px; max-width: 900px; margin-inline: auto;
            letter-spacing: -1.5px; text-shadow: 0 10px 40px rgba(0,0,0,0.5);
        }
        .hero-desc { font-size: 1.25rem; color: var(--text-secondary); max-width: 650px; margin: 0 auto 40px; line-height: 1.7; }
        .hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
        
        .hero-stats { display: flex; justify-content: center; gap: 80px; margin-top: 100px; padding-top: 50px; border-top: 1px solid var(--border); }
        .hero-stat { text-align: center; transition: var(--transition); }
        .hero-stat:hover { transform: translateY(-5px) scale(1.05); }
        .hero-stat-value { font-family: var(--font-heading); font-size: 3rem; font-weight: 700; color: var(--text); margin-bottom: 4px; text-shadow: 0 0 20px rgba(255,255,255,0.2); }
        .hero-stat-label { font-size: 1rem; color: var(--accent); font-weight: 500; text-transform: uppercase; letter-spacing: 1.5px; }

        /* Cards with Dynamic Borders */
        .features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
        .feature-card, .pricing-card, .command-group {
            background: var(--surface); border: 1px solid var(--border);
            border-radius: var(--radius-lg); padding: 36px; transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease;
            backdrop-filter: blur(20px); position: relative; overflow: visible;
            display: flex; flex-direction: column; z-index: 1; transform-style: preserve-3d;
        }
        
        /* Interactive lighting border */
        .feature-card::before, .pricing-card::before, .command-group::before {
            content: ''; position: absolute; inset: 0; padding: 1.5px;
            border-radius: inherit;
            background: radial-gradient(
                400px circle at var(--mouse-x, 0) var(--mouse-y, 0),
                rgba(124, 92, 255, 0.8),
                transparent 40%
            );
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor; mask-composite: exclude;
            opacity: 0; transition: opacity 0.5s; pointer-events: none; z-index: -1;
        }
        .feature-card:hover::before, .pricing-card:hover::before, .command-group:hover::before { opacity: 1; }
        
        .feature-icon {
            width: 56px; height: 56px; background: rgba(124, 92, 255, 0.1);
            color: var(--cyan); border-radius: 16px; display: flex; align-items: center;
            justify-content: center; margin-bottom: 24px; border: 1px solid rgba(0, 240, 255, 0.15);
            transition: var(--transition);
        }
        .feature-card:hover .feature-icon { transform: scale(1.1) rotate(5deg); background: rgba(0, 240, 255, 0.15); border-color: var(--cyan); color: #fff; box-shadow: 0 0 20px var(--cyan-glow); }
        .feature-title { font-family: var(--font-heading); font-size: 1.3rem; font-weight: 600; margin-bottom: 12px; color: #fff; }
        .feature-desc { color: var(--text-secondary); font-size: 1rem; line-height: 1.5; }

        /* Pricing adjustments */
        .pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; perspective: 1500px; }
        .pricing-card { padding: 48px 32px; transform-origin: center center; }
        .pricing-card.popular {
            border: 1px solid rgba(124, 92, 255, 0.4);
            background: linear-gradient(180deg, rgba(124, 92, 255, 0.1) 0%, var(--surface) 100%);
            box-shadow: 0 15px 40px rgba(124, 92, 255, 0.15);
        }
        .pricing-badge {
            position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
            background: var(--gradient); color: white; padding: 6px 20px;
            border-radius: 50px; font-size: 0.8rem; font-weight: 700; text-transform: uppercase;
            box-shadow: 0 4px 15px var(--accent-glow); letter-spacing: 1px;
        }
        .pricing-name { font-family: var(--font-heading); font-size: 1.4rem; font-weight: 600; margin-bottom: 12px; color: var(--cyan); text-shadow: 0 0 10px rgba(0,240,255,0.3); }
        .pricing-price { font-family: var(--font-heading); font-size: 3.5rem; font-weight: 700; margin-bottom: 4px; line-height: 1; }
        .pricing-period { color: var(--text-muted); font-size: 1rem; margin-bottom: 40px; }
        .pricing-features { list-style: none; margin-bottom: 40px; flex-grow: 1; }
        .pricing-features li { display: flex; align-items: flex-start; gap: 12px; padding: 12px 0; color: var(--text-secondary); font-size: 1rem; border-bottom: 1px solid rgba(255,255,255,0.03); transition: var(--transition); }
        .pricing-features li:hover { color: var(--text); padding-left: 5px; }
        .pricing-features li:last-child { border-bottom: none; }
        .pricing-features li svg { flex-shrink: 0; margin-top: 2px; }

        /* Compare Table */
        .comparison-wrapper { overflow-x: auto; border-radius: var(--radius-lg); border: 1px solid var(--border); background: rgba(10, 10, 15, 0.6); backdrop-filter: blur(30px); box-shadow: 0 20px 50px rgba(0,0,0,0.5); }
        .comparison-table { width: 100%; border-collapse: collapse; min-width: 800px; }
        .comparison-table th, .comparison-table td { padding: 24px 30px; text-align: left; border-bottom: 1px solid var(--border); transition: var(--transition); }
        .comparison-table thead { background: rgba(0,0,0,0.5); }
        .comparison-table th { font-family: var(--font-heading); font-weight: 600; color: var(--text); font-size: 1.15rem; }
        .comparison-table th.highlight { background: rgba(124, 92, 255, 0.15); color: var(--cyan); border-top-left-radius: 20px; border-top-right-radius: 20px; box-shadow: inset 0 2px 10px rgba(124, 92, 255, 0.2); }
        .comparison-table td { color: var(--text-secondary); font-size: 1rem; }
        .comparison-table td.highlight { background: rgba(124, 92, 255, 0.05); color: var(--text); font-weight: 500; border-left: 1px solid rgba(124, 92, 255, 0.2); border-right: 1px solid rgba(124, 92, 255, 0.2); }
        .comparison-table tbody tr:hover td { background: rgba(255,255,255,0.05); }
        .comparison-table tbody tr:hover td.highlight { background: rgba(124, 92, 255, 0.15); }
        .comparison-table tbody tr:last-child td { border-bottom: none; }

        /* Docs */
        .commands-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 24px; perspective: 1000px; }
        .command-group-title { font-family: var(--font-heading); font-size: 1.3rem; font-weight: 600; margin-bottom: 20px; color: var(--cyan); display: flex; align-items: center; gap: 10px; border-bottom: 1px solid var(--border); padding-bottom: 16px; }
        .command-sub-title { font-size: 0.95rem; color: var(--accent); margin: 20px 0 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }
        .command-list { list-style: none; }
        .command-list li { display: flex; flex-direction: column; padding: 12px 0; border-bottom: 1px dashed rgba(255,255,255,0.05); gap: 6px; transition: var(--transition); }
        .command-list li:hover { transform: translateX(5px); }
        .command-list li:last-child { border-bottom: none; }
        .command-list code { background: rgba(0, 240, 255, 0.1); color: var(--cyan); padding: 4px 10px; border-radius: 8px; font-size: 0.9rem; font-family: monospace; width: fit-content; border: 1px solid rgba(0, 240, 255, 0.2); box-shadow: 0 0 10px rgba(0, 240, 255, 0.05); }
        .cmd-desc { font-size: 0.95rem; color: var(--text-secondary); }

        /* FAQ */
        .faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
        .faq-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: var(--transition); backdrop-filter: blur(20px); }
        .faq-item:hover { border-color: rgba(124, 92, 255, 0.4); box-shadow: 0 10px 30px rgba(0,0,0,0.3); transform: translateY(-2px); }
        .faq-question { width: 100%; padding: 24px 30px; background: transparent; border: none; text-align: left; font-size: 1.1rem; font-weight: 600; color: var(--text); cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-family: inherit; transition: var(--transition); }
        .faq-question:hover { color: var(--cyan); padding-left: 35px; }
        .faq-icon { font-size: 1.2rem; transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1); color: var(--accent); }
        .faq-item.open .faq-icon { transform: rotate(180deg); color: var(--cyan); }
        .faq-answer-wrapper { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 0.4s cubic-bezier(0.16, 1, 0.3, 1); }
        .faq-item.open .faq-answer-wrapper { grid-template-rows: 1fr; }
        .faq-answer-inner { overflow: hidden; }
        .faq-answer-content { padding: 0 30px 30px; color: var(--text-secondary); line-height: 1.7; font-size: 1.05rem; }

        /* CTA */
        .cta-section { background: linear-gradient(135deg, rgba(124, 92, 255, 0.2) 0%, rgba(0, 240, 255, 0.15) 100%); border: 1px solid rgba(124, 92, 255, 0.4); border-radius: var(--radius-lg); padding: 100px 40px; text-align: center; position: relative; overflow: hidden; box-shadow: 0 20px 50px rgba(124, 92, 255, 0.2); backdrop-filter: blur(30px); }
        .cta-title { font-family: var(--font-heading); font-size: 3rem; font-weight: 700; margin-bottom: 20px; position: relative; z-index: 1; }
        .cta-desc { color: var(--text-secondary); margin-bottom: 40px; font-size: 1.2rem; position: relative; z-index: 1; }
        
        /* Footer */
        footer { background: rgba(5, 5, 8, 0.8); border-top: 1px solid var(--border); padding: 80px 0 40px; text-align: center; position: relative; z-index: 10; backdrop-filter: blur(20px); }
        .footer-links { display: flex; justify-content: center; gap: 40px; margin-bottom: 40px; flex-wrap: wrap; }
        .footer-links a { color: var(--text); text-decoration: none; font-size: 1.05rem; transition: var(--transition); display: flex; align-items: center; gap: 10px; font-weight: 500; }
        .footer-links a:hover { color: var(--cyan); transform: translateY(-3px) scale(1.05); text-shadow: 0 0 10px rgba(0,240,255,0.4); }
        .footer-copy { color: var(--text-secondary); font-size: 0.95rem; }

        /* Mobile Adjustments */
        .mobile-toggle { display: none; }
        @media (max-width: 768px) {
            .container { padding: 0 16px; }
            .header-inner { padding: 0 16px; }
            
            .hero { padding: 100px 0 60px; }
            .hero-title { font-size: 2.3rem; letter-spacing: -1px; margin-bottom: 16px; }
            .hero-desc { font-size: 1.05rem; margin-bottom: 30px; }
            .hero-actions { flex-direction: column; width: 100%; gap: 12px; }
            .hero-actions .btn { width: 100%; }
            .hero-stats { flex-direction: column; gap: 30px; margin-top: 50px; padding-top: 30px; }
            .hero-stat-value { font-size: 2.4rem; }
            
            .section-title { font-size: 2rem; margin-bottom: 12px; }
            .section-subtitle { font-size: 1rem; }
            .section { padding: 60px 0; }
            .section-header { margin-bottom: 40px; }
            
            .header-inner nav { display: none; }
            .header-inner nav.open { 
                display: flex; position: absolute; top: 76px; left: 0; right: 0; 
                background: rgba(5, 5, 8, 0.98); flex-direction: column; padding: 24px; 
                border-bottom: 1px solid var(--border); backdrop-filter: blur(30px);
                gap: 16px; z-index: 99;
            }
            
            /* Hide the start button inside the header on small devices to avoid crowding */
            .header-actions > .btn-primary { display: none; }
            
            .mobile-toggle { display: flex; flex-direction: column; gap: 6px; background: none; border: none; cursor: pointer; padding: 4px; margin-left: 8px; }
            .mobile-toggle span { width: 28px; height: 2px; background: var(--text); transition: 0.3s; border-radius: 2px; }
            
            .features-grid, .pricing-grid, .commands-grid { grid-template-columns: 1fr; gap: 16px; }
            
            .feature-card, .pricing-card, .command-group { padding: 24px; transform: none !important; }
            .pricing-card.popular { padding: 32px 24px; }
            .pricing-price { font-size: 3rem; }
            
            .cta-section { padding: 40px 24px; border-radius: 24px; }
            .cta-title { font-size: 1.8rem; }
            .cta-desc { font-size: 1rem; margin-bottom: 24px; }
            
            .comparison-table th, .comparison-table td { padding: 16px; font-size: 0.95rem; }
            
            .faq-question { padding: 20px 16px; font-size: 1rem; }
            .faq-answer-content { padding: 0 16px 20px; font-size: 0.95rem; }
            
            .footer-links { flex-direction: column; gap: 20px; align-items: center; }
            
            .cursor-glow { display: none; } /* Disable on mobile for performance */
        }