:root{color-scheme:light;--bg:#f7f8fb;--ink:#14171f;--muted:#667085;--line:#d9dee8;--panel:#ffffff;--accent:#0f766e;--accent-ink:#ffffff;--danger:#b42318}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}a{color:inherit}.shell{width:min(1120px,calc(100vw - 32px));margin:0 auto}.narrow{width:min(520px,100%);margin:64px auto}.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px 0}.nav a{text-decoration:none;color:var(--muted);font-size:14px}.nav strong{color:var(--ink)}.nav-links{display:flex;gap:16px;flex-wrap:wrap}.hero{padding:80px 0 56px}.hero h1{margin:0;max-width:760px;font-size:clamp(42px,7vw,76px);line-height:.98}.hero p{max-width:640px;color:var(--muted);font-size:18px;line-height:1.7}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));grid-gap:16px;gap:16px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:20px}.panel h2,.panel h3{margin-top:0}.button,button{border:0;border-radius:6px;background:var(--accent);color:var(--accent-ink);display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 14px;font-weight:700;text-decoration:none;cursor:pointer}.button.secondary{background:#e6f4f1;color:#075e56}.input{width:100%;border:1px solid var(--line);border-radius:6px;min-height:42px;padding:0 12px;font:inherit}.stack{display:grid;grid-gap:16px;gap:16px}.muted{color:var(--muted)}.error{color:var(--danger)}.table{width:100%;border-collapse:collapse}.table td,.table th{border-bottom:1px solid var(--line);padding:10px;text-align:left}