:root{--bg: #f5f5f5;--bg-secondary: #ffffff;--bg-card: #ffffff;--text: #111111;--text-secondary: #555555;--text-muted: #999999;--accent: #4f46e5;--accent-hover: #4338ca;--accent-light: #eef2ff;--border: #e0e0e0;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--header-bg: #f5f5f5;--ticket-hole: #f5f5f5}[data-theme=dark]{--bg: #111111;--bg-secondary: #1a1a1a;--bg-card: #1a1a1a;--text: #f0f0f0;--text-secondary: #aaaaaa;--text-muted: #666666;--accent: #6366f1;--accent-hover: #818cf8;--accent-light: #1e1b4b;--border: #2a2a2a;--header-bg: #111111;--ticket-hole: #111111}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:Inter,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;transition:background .25s,color .25s}.container{max-width:1060px;margin:0 auto;padding:0 24px}.header{position:fixed;top:0;left:0;right:0;z-index:100;background:var(--header-bg);border-bottom:1px solid var(--border);transition:background .25s,border-color .25s}.header-inner{display:flex;align-items:center;justify-content:space-between;height:58px}.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--text);text-decoration:none}.logo-icon{width:30px;height:30px;background:var(--accent);border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:15px}.header-controls{display:flex;align-items:center;gap:8px}.icon-btn{width:36px;height:36px;border-radius:var(--radius-sm);border:1px solid var(--border);background:transparent;color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:15px}.icon-btn:hover{color:var(--text);border-color:var(--text-muted)}.lang-btn{height:36px;padding:0 13px;border-radius:var(--radius-sm);border:1px solid var(--border);background:transparent;color:var(--text-secondary);cursor:pointer;font-size:13px;font-weight:600;font-family:inherit;letter-spacing:.4px}.lang-btn:hover{color:var(--text);border-color:var(--text-muted)}.lang-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}.hero{padding:140px 0 0;text-align:center}.hero-badge{display:inline-block;background:var(--accent-light);color:var(--accent);border-radius:4px;padding:4px 12px;font-size:12px;font-weight:600;letter-spacing:.6px;text-transform:uppercase;margin-bottom:28px}.hero h1{font-size:clamp(34px,5.5vw,58px);font-weight:800;letter-spacing:-1.5px;line-height:1.1;margin-bottom:20px;color:var(--text)}.hero p{font-size:clamp(15px,1.8vw,18px);color:var(--text-secondary);max-width:520px;margin:0 auto 40px;line-height:1.7}.hero-cta{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius-sm);padding:13px 26px;font-size:15px;font-weight:600;font-family:inherit;cursor:pointer;text-decoration:none}.hero-cta:hover{background:var(--accent-hover)}.about-section{padding:80px 0;border-top:1px solid var(--border)}.about-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.about-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:24px;transition:border-color .2s}.about-card:hover{border-color:var(--accent)}.about-icon{font-size:24px;margin-bottom:14px}.about-card h3{font-size:15px;font-weight:700;margin-bottom:8px;color:var(--text)}.about-card p{font-size:13px;color:var(--text-secondary);line-height:1.6}.demo-section{padding:80px 0;scroll-margin-top:80px}.section-header{text-align:center;margin-bottom:48px}.section-header h2{font-size:clamp(24px,3.5vw,34px);font-weight:700;letter-spacing:-.5px;margin-bottom:12px}.section-header p{color:var(--text-secondary);font-size:15px;max-width:480px;margin:0 auto;line-height:1.6}.card-hint{display:inline;font-family:SF Mono,Fira Code,monospace;font-size:13px;background:var(--accent-light);color:var(--accent);border-radius:3px;padding:1px 5px}.ticket-wrapper{display:flex;justify-content:center}.ticket{width:100%;max-width:560px;background:var(--bg-card);border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);transition:background .25s,border-color .25s}.ticket-header{background:var(--accent);padding:20px 28px;display:flex;align-items:center;justify-content:space-between}.ticket-event{color:#ffffffbf;font-size:12px;font-weight:500;letter-spacing:.3px}.ticket-event-name{color:#fff;font-size:17px;font-weight:700;margin-top:2px}.ticket-date{color:#ffffffa6;font-size:12px;margin-top:4px}.test-badge{background:#ffffff26;border:1px solid rgba(255,255,255,.25);color:#fff;border-radius:4px;padding:4px 10px;font-size:11px;font-weight:600;letter-spacing:.5px;white-space:nowrap}.ticket-separator{position:relative;height:1px;background:var(--border)}.ticket-separator:before,.ticket-separator:after{content:"";position:absolute;top:50%;transform:translateY(-50%);width:22px;height:22px;border-radius:50%;background:var(--ticket-hole);border:1px solid var(--border);transition:background .25s,border-color .25s}.ticket-separator:before{left:-11px}.ticket-separator:after{right:-11px}.ticket-body{padding:22px 28px 26px;display:flex;align-items:center;justify-content:space-between;gap:20px}.ticket-type-label{font-size:11px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.8px;margin-bottom:4px}.ticket-name{font-size:26px;font-weight:800;letter-spacing:-.5px;color:var(--text)}.ticket-right{display:flex;flex-direction:column;align-items:flex-end;gap:14px;flex-shrink:0}.ticket-price-label{font-size:11px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.8px}.ticket-price{display:flex;align-items:baseline;gap:4px}.ticket-price-amount{font-size:30px;font-weight:800;letter-spacing:-1px;color:var(--text);line-height:1}.ticket-price-currency{font-size:15px;font-weight:600;color:var(--text-secondary)}.buy-btn{background:var(--accent);color:#fff;border:none;border-radius:var(--radius-sm);padding:11px 26px;font-size:14px;font-weight:600;font-family:inherit;cursor:pointer;white-space:nowrap}.buy-btn:hover{background:var(--accent-hover)}.features-section{padding:80px 0 96px;background:var(--bg-secondary);border-top:1px solid var(--border);border-bottom:1px solid var(--border);transition:background .25s,border-color .25s}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px}.feature-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:22px;transition:border-color .2s}.feature-card:hover{border-color:var(--accent)}.feature-icon{width:40px;height:40px;border-radius:var(--radius-sm);background:var(--accent-light);display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:14px}.feature-card h3{font-size:14px;font-weight:700;margin-bottom:6px;color:var(--text)}.feature-card p{font-size:13px;color:var(--text-secondary);line-height:1.6}.footer{padding:28px 0;text-align:center}.footer p{font-size:13px;color:var(--text-muted)}.footer a{color:var(--accent);text-decoration:none;font-weight:500}.footer a:hover{text-decoration:underline}@media (max-width: 520px){.ticket-body{flex-direction:column;align-items:flex-start}.ticket-right{align-items:flex-start;width:100%;border-top:1px solid var(--border);padding-top:16px}.ticket-header{flex-direction:column;align-items:flex-start;gap:10px}}