:root{--bg: #0b0e14;--panel: #151a23;--line: #232a36;--text: #e6e9ef;--muted: #8a93a3;--ok: #2ecc71;--warn: #f1c40f;--danger: #e74c3c;--accent: #6aa0ff}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.5 ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.app{max-width:960px;margin:0 auto;padding:24px}.topbar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px}.brand{display:flex;align-items:baseline;gap:10px}.logo{font-size:24px;font-weight:700;letter-spacing:-.5px}.tagline{color:var(--muted);font-size:13px}.topbar-right{display:flex;align-items:center;gap:12px}.banner{background:#1d2330;border:1px solid var(--line);border-radius:10px;padding:12px 14px;color:var(--muted);margin-bottom:16px}.banner code{color:var(--accent)}.grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.card{background:var(--panel);border:1px solid 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ease}.step:hover:after{opacity:.8;color:var(--accent)}.step{background:linear-gradient(180deg,var(--panel),#121722)}.step:after{opacity:.42}.step:hover{border-color:#6aa0ff8c;background:#6aa0ff0d}.step:hover:after{opacity:1}.step-cue{display:block;margin-top:10px;font-size:12px;font-weight:600;color:var(--accent)}.mode-switch{padding:14px 24px;display:flex;justify-content:center;align-items:center;gap:10px;flex-wrap:wrap;border-bottom:1px solid var(--line);background:#101621}.mode-switch>span{color:var(--muted);font-size:12px}.mode-switch button,.secondary{background:transparent;border:1px solid var(--line);color:#b6c5db}.mode-switch button[aria-pressed=true]{background:#263952;border-color:#638cbe;color:#e4efff}.secondary[aria-pressed=true]{color:#ffbf8d;border-color:#a76b42}.demo{max-width:1140px}.demo .topbar{padding:10px 0 22px}.demo-hero{display:grid;grid-template-columns:1.4fr 1fr;align-items:center;gap:56px;padding:36px 0 42px}.eyebrow{color:#8fabce;font:11px/1.5 ui-monospace,monospace;letter-spacing:.12em}.demo-hero h1{font-size:clamp(32px,4.5vw,52px);letter-spacing:-1px;font-weight:650;line-height:1.3;margin:18px 0}.demo-hero em{color:#9cc7ff;font-style:normal}.demo-hero p{color:#a5b1c3;font-size:16px;line-height:1.9}.flow-map{border:1px solid #30415c;border-radius:20px;background:radial-gradient(ellipse at top,#203352,#101824 75%);padding:26px;display:flex;flex-direction:column;align-items:center;gap:16px;transform:rotate(-2deg)}.flow-map>div{background:#1b293e;border:1px solid #3a526f;border-radius:10px;width:100%;text-align:center;padding:15px;font:600 19px ui-monospace,monospace}.flow-map small{color:#95a6bd;font:12px system-ui;margin-left:12px}.flow-map>span{color:#a3bbd9;font-size:12px}.demo-disclaimer{border-left:3px solid #70a6e6;color:#afc0d4;line-height:1.8}.demo h2{font-size:19px;margin:8px 0}.demo h3{font-size:13px;font-weight:500;color:#b5c3d6}.demo 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