:root{--bg: #000000;--surface: #0c0c0c;--surface-2: #141414;--border: #222222;--blue: #4F82FF;--blue-dim: rgba(79, 130, 255, .08);--blue-bd: rgba(79, 130, 255, .28);--green: #00C9A7;--green-dim: rgba(0, 201, 167, .08);--green-bd: rgba(0, 201, 167, .28);--red: #F06A6A;--red-dim: rgba(240, 106, 106, .08);--red-bd: rgba(240, 106, 106, .24);--text: #ffffff;--muted: #666666;--mono: "IBM Plex Mono", ui-monospace, monospace;--sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--r: 10px;--r-sm: 6px;--r-lg: 14px}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased}.container{max-width:1160px;margin:0 auto;padding:0 24px}.site-header{position:sticky;top:0;z-index:100;background:#000000e6;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border)}.site-header .container{display:flex;align-items:center;justify-content:space-between;height:56px}.brand{display:flex;align-items:center;gap:10px}.brand-mark{width:24px;height:24px;border-radius:6px;background:linear-gradient(135deg,var(--blue) 0%,var(--green) 100%);flex-shrink:0}.brand-name{font-size:15px;font-weight:700;letter-spacing:-.01em;color:var(--text)}.header-right{display:flex;align-items:center;gap:14px}.proto-badge{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.1em;padding:3px 10px;border-radius:999px;background:transparent;color:var(--muted);border:1px solid var(--border)}.hero{padding:88px 0 72px;position:relative;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;position:relative;z-index:1}.hero-eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:10.5px;font-weight:600;text-transform:uppercase;letter-spacing:.14em;color:var(--muted);margin-bottom:20px}.hero-eyebrow:before{content:"";display:block;width:16px;height:1px;background:var(--muted);flex-shrink:0}.headline{margin:0 0 20px;font-size:52px;font-weight:800;line-height:1.05;letter-spacing:-.03em;color:var(--text)}.headline em{font-style:normal;background:linear-gradient(120deg,var(--blue) 0%,var(--green) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-sub{margin:0 0 32px;font-size:15px;line-height:1.75;color:var(--muted);max-width:430px}.cta-btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;background:var(--text);color:var(--bg);border-radius:var(--r-sm);font-family:var(--sans);font-size:13.5px;font-weight:600;text-decoration:none;letter-spacing:-.01em;transition:opacity .15s,transform .1s;margin-bottom:28px}.cta-btn:hover{opacity:.82;transform:translateY(-1px)}.hero-stats{display:flex;flex-wrap:wrap;gap:6px}.stat-pill{font-size:11px;font-weight:400;color:var(--muted);padding:4px 12px;border:1px solid var(--border);border-radius:999px;background:transparent;letter-spacing:.01em;font-family:var(--mono)}.hero-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden}.hero-panel-header{display:flex;align-items:center;justify-content:space-between;padding:11px 16px;border-bottom:1px solid var(--border);gap:12px}.hero-panel-label{display:flex;align-items:center;gap:7px;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);flex-shrink:0}.live-dot{width:6px;height:6px;border-radius:50%;background:var(--green);animation:livepulse 2.2s ease-in-out infinite}@keyframes livepulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.75)}}.char-tabs{display:flex;gap:3px}.char-tab{font-size:11px;font-weight:500;padding:4px 11px;border-radius:4px;border:1px solid transparent;background:transparent;color:var(--muted);cursor:pointer;transition:all .12s;font-family:var(--sans);white-space:nowrap}.char-tab:hover{color:var(--text)}.char-tab.active{color:var(--text);border-color:var(--border);background:var(--surface-2)}.hero-panel-body{padding:16px 16px 20px}.how-section{padding:80px 0;border-top:1px solid var(--border)}.section-label{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.14em;color:var(--muted);margin-bottom:10px;font-family:var(--mono)}.section-title{margin:0 0 44px;font-size:28px;font-weight:700;letter-spacing:-.02em;color:var(--text)}.steps-grid{display:grid;grid-template-columns:1fr 40px 1fr 40px 1fr;align-items:start}.step-card{background:transparent;border:1px solid var(--border);border-radius:var(--r);padding:24px;transition:border-color .2s}.step-card:hover{border-color:#333}.step-num{width:32px;height:32px;border-radius:50%;background:transparent;border:1px solid var(--border);color:var(--muted);font-size:12px;font-weight:600;font-family:var(--mono);display:flex;align-items:center;justify-content:center;margin-bottom:16px}.step-title{font-size:14px;font-weight:700;margin-bottom:8px;color:var(--text);letter-spacing:-.01em}.step-body{font-size:13px;color:var(--muted);line-height:1.7}.step-arrow{display:flex;align-items:center;justify-content:center;padding-top:30px;color:var(--border);font-size:18px}.demo-section{padding:80px 0 100px;border-top:1px solid var(--border)}.panels{display:grid;grid-template-columns:1fr 1fr;gap:16px}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:20px}.panel-title{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);margin-bottom:16px;display:flex;align-items:center;gap:8px;font-family:var(--mono)}.panel-title.user{color:var(--blue)}.panel-title.anchor{color:var(--green)}.field{margin-bottom:14px}.field label{display:block;font-size:10.5px;color:var(--muted);margin-bottom:5px;letter-spacing:.02em;font-family:var(--mono)}.field select,.field input{width:100%;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--r-sm);padding:9px 12px;color:var(--text);font-family:var(--sans);font-size:13px;outline:none;transition:border-color .12s;-webkit-appearance:none;-moz-appearance:none;appearance:none}.field select:focus,.field input:focus{border-color:#444}button{font-family:var(--sans);font-size:13px;font-weight:500;border-radius:var(--r-sm);padding:8px 16px;border:1px solid var(--border);background:var(--surface-2);color:var(--text);cursor:pointer;transition:border-color .12s,opacity .12s,transform .05s;letter-spacing:0}button:hover:not(:disabled){border-color:#444}button:active:not(:disabled){transform:scale(.98)}button:disabled{opacity:.4;cursor:not-allowed}button.primary{background:var(--blue);border-color:var(--blue);color:#fff;font-weight:600}button.primary:hover:not(:disabled){opacity:.86}button.success{background:var(--green);border-color:var(--green);color:#000;font-weight:600}.hash-box{font-family:var(--mono);font-size:10.5px;line-height:1.7;word-break:break-all;background:#000;border:1px solid var(--border);border-radius:var(--r-sm);padding:10px 12px;color:var(--muted);max-height:130px;overflow-y:auto}.hash-box .accent{color:var(--green)}.badge{display:inline-flex;align-items:center;font-size:9.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;border-radius:999px;padding:3px 9px;font-family:var(--mono)}.badge.ok{background:var(--green-dim);color:var(--green);border:1px solid var(--green-bd)}.badge.pending{background:var(--blue-dim);color:var(--blue);border:1px solid var(--blue-bd)}.badge.err{background:var(--red-dim);color:var(--red);border:1px solid var(--red-bd)}.timeline{display:flex;align-items:center;justify-content:space-between;background:transparent;border:1px solid var(--border);border-radius:var(--r);padding:20px 28px;margin-bottom:16px}.timeline-step{display:flex;flex-direction:column;align-items:center;gap:8px;flex:1;position:relative}.timeline-dot{width:12px;height:12px;border-radius:50%;border:1px solid var(--border);background:var(--bg);transition:all .3s ease}.timeline-step.active .timeline-dot{border-color:var(--blue);background:var(--blue);box-shadow:0 0 0 3px var(--blue-dim)}.timeline-step.done .timeline-dot{border-color:var(--green);background:var(--green)}.timeline-label{font-size:10.5px;color:var(--muted);text-align:center;font-family:var(--mono)}.timeline-step.active .timeline-label,.timeline-step.done .timeline-label{color:var(--text)}.timeline-line{position:absolute;top:6px;left:-50%;width:100%;height:1px;background:var(--border);z-index:-1}.timeline-step.done .timeline-line{background:var(--green)}.spinner{display:inline-block;width:12px;height:12px;border:1.5px solid rgba(255,255,255,.15);border-top-color:currentColor;border-radius:50%;animation:spin .7s linear infinite;vertical-align:middle;margin-right:3px}@keyframes spin{to{transform:rotate(360deg)}}.payment-card{margin-top:14px;border-radius:var(--r-sm);padding:14px;border:1px solid var(--border);background:transparent}.payment-card.unlocked{border-color:var(--green-bd)}.payment-row{display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted);padding:3px 0}.wallet-pill{font-family:var(--mono);font-size:11px;color:var(--green);background:var(--green-dim);border:1px solid var(--green-bd);border-radius:999px;padding:4px 12px}.error-text{color:var(--red);font-size:12.5px;margin-top:8px}.muted{color:var(--muted);font-size:12.5px}.divider{height:1px;background:var(--border);margin:12px 0}code{font-family:var(--mono);font-size:11px;color:var(--muted)}.sim-content{display:flex;flex-direction:column}.sim-section{background:transparent;border:none;border-top:1px solid var(--border);border-radius:0;padding:14px 0 2px;margin-top:10px}.sim-section button:disabled,.hero-panel button:disabled{opacity:1;cursor:default}.sim-step-label{display:flex;align-items:center;gap:8px;font-size:11.5px;font-weight:600;color:var(--text);margin-bottom:10px;font-family:var(--mono);letter-spacing:.02em}.sim-step-num{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:50%;font-size:10px;font-weight:600;flex-shrink:0;background:transparent;border:1px solid var(--border);color:var(--muted);font-family:var(--mono);transition:all .3s ease}.sim-step-num.active{border-color:var(--blue);color:var(--blue)}.sim-step-num.done{border-color:var(--green);background:var(--green);color:#000}.sim-identity{display:flex;align-items:center;gap:10px;padding:0 0 12px;border-bottom:1px solid var(--border);margin-bottom:10px;background:transparent}.sim-avatar{font-size:24px;line-height:1;flex-shrink:0}.sim-id-info{flex:1;min-width:0}.sim-name{font-size:13px;font-weight:700;margin-bottom:2px;color:var(--text);letter-spacing:-.01em}.sim-meta{font-size:10.5px;color:var(--muted);font-family:var(--mono)}.sim-context{font-size:10.5px;padding:0 0 10px;font-family:var(--mono);color:var(--muted);background:transparent;border:none}.sim-error-card{margin-top:10px;padding:12px 0;border-top:1px solid var(--red-bd);background:transparent}.site-footer{border-top:1px solid var(--border);padding:24px 0}.site-footer .container{display:flex;justify-content:center}@media (max-width: 920px){.hero-grid{grid-template-columns:1fr;gap:40px}.hero{padding:56px 0 48px}.headline{font-size:38px}.hero-sub{max-width:none}.panels{grid-template-columns:1fr}.steps-grid{grid-template-columns:1fr;gap:14px}.step-arrow,.header-right .muted{display:none}}