:root{--navy: #0a0f29;--blue: #1e4fa3;--blue-bright: #3070b3;--vermillion: #c9542b;--ground: #fbfcfe;--surface: #ffffff;--surface-2: #f2f5fb;--border: #dbe2ef;--ink: #161c2f;--ink-2: #515a70;--ink-faint: #8b93a7;--accent: var(--blue);--mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;--sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--measure: 68ch;--radius: 12px;--shadow: 0 1px 2px rgba(10, 15, 41, .04), 0 8px 28px rgba(10, 15, 41, .06)}:root[data-theme=light]{--navy: #0a0f29;--ground: #fbfcfe;--surface: #fff;--surface-2: #f2f5fb;--border: #dbe2ef;--ink: #161c2f;--ink-2: #515a70;--ink-faint: #8b93a7;--accent: var(--blue)}*{box-sizing:border-box}html{scroll-behavior:smooth}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--ground);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:1060px;margin:0 auto;padding:0 1.4rem}.narrow{max-width:760px}.nav{position:sticky;top:0;z-index:30;background:color-mix(in srgb,var(--ground) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}.nav-inner{display:flex;align-items:center;gap:1.4rem;height:60px}.brand{font-weight:700;color:var(--navy);letter-spacing:-.01em;margin-right:auto;display:inline-flex;align-items:center;gap:.5rem}.brand:hover{text-decoration:none}.brand .mark{font-size:1.15rem}.nav a.link{font-size:.92rem;color:var(--ink-2)}.nav a.link:hover{color:var(--accent);text-decoration:none}.nav a.link[aria-current=page]{color:var(--navy);font-weight:600;border-bottom:2px solid var(--accent);padding-bottom:2px}@media(max-width:680px){.nav a.link{font-size:.82rem}.nav-inner{gap:.85rem}}h1,h2,h3{color:var(--navy);letter-spacing:-.015em;text-wrap:balance}h1{font-size:clamp(1.9rem,4.5vw,3rem);line-height:1.08;margin:0 0 .9rem}h2{font-size:clamp(1.35rem,2.6vw,1.8rem);margin:2.6rem 0 .9rem;border-bottom:2px solid var(--blue);padding-bottom:.35rem}h3{font-size:1.15rem;margin:1.8rem 0 .6rem}p,li{max-width:var(--measure)}.eyebrow{font-family:var(--mono);font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin:0 0 .7rem}.lede{font-size:1.16rem;color:var(--ink-2);max-width:var(--measure)}section.block{padding:1.2rem 0}.hero{padding:3.4rem 0 2.2rem}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin:2.2rem 0}@media(max-width:680px){.stats{grid-template-columns:repeat(2,1fr)}}.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.1rem 1.2rem;box-shadow:var(--shadow)}.stat .n{font-family:var(--mono);font-size:1.7rem;font-weight:600;color:var(--navy);font-variant-numeric:tabular-nums;line-height:1}.stat .l{font-size:.82rem;color:var(--ink-2);margin-top:.4rem}.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:1.1rem;margin:1.6rem 0}@media(max-width:680px){.cards{grid-template-columns:1fr}}.card{display:block;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.3rem 1.4rem;box-shadow:var(--shadow);color:inherit;transition:transform .12s,border-color .12s}.card:hover{text-decoration:none;transform:translateY(-2px);border-color:var(--accent)}.card .k{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--accent)}.card h3{margin:.5rem 0 .4rem}.card p{color:var(--ink-2);font-size:.95rem;margin:0}.btnrow{display:flex;flex-wrap:wrap;gap:.8rem;margin:1.6rem 0}.btn{display:inline-flex;align-items:center;gap:.5rem;font-weight:600;font-size:.96rem;padding:.65rem 1.2rem;border-radius:9px;border:1px solid var(--accent)}.btn.primary{background:var(--accent);color:#fff}.btn.primary:hover{background:var(--blue-bright);text-decoration:none}.btn.ghost{color:var(--accent);background:transparent}.btn.ghost:hover{background:var(--surface-2);text-decoration:none}.callout{background:var(--surface-2);border-left:3px solid var(--accent);border-radius:8px;padding:1rem 1.2rem;margin:1.4rem 0}.callout p{margin:0;color:var(--ink)}.callout.result{border-left-color:var(--vermillion)}.data{font-family:var(--mono);color:var(--navy);font-weight:600;background:var(--surface-2);padding:.05em .35em;border-radius:4px;font-variant-numeric:tabular-nums}.steps{list-style:none;padding:0;margin:1.2rem 0;counter-reset:s}.steps>li{position:relative;padding:.4rem 0 1.1rem 3rem;counter-increment:s;border-left:2px solid var(--border);margin-left:1rem;max-width:none}.steps>li:before{content:counter(s);position:absolute;left:-1.05rem;top:.2rem;width:2.05rem;height:2.05rem;border-radius:50%;background:var(--accent);color:#fff;font-family:var(--mono);font-weight:600;display:flex;align-items:center;justify-content:center}.steps>li:last-child{border-left-color:transparent}.steps b{color:var(--navy)}.embed-bar{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;padding:.9rem 0 1rem}.embed{width:100%;height:82vh;min-height:620px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow)}footer.foot{margin-top:3.5rem;border-top:1px solid var(--border)}footer.foot .fi{padding:1.6rem 0 2.4rem;color:var(--ink-faint);font-size:.86rem}footer.foot b{color:var(--ink-2)}.pill{display:inline-block;font-family:var(--mono);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);border:1px solid var(--border);border-radius:20px;padding:.2rem .6rem}