:root{--bg:#fff;--fg:#111;--muted:#6b6b6b;--accent:#4a6af5;--hairline:#ececec}@media (prefers-color-scheme:dark){:root{--bg:#0a0a0a;--fg:#f5f5f5;--muted:#a3a3a3;--accent:#7d97ff;--hairline:#222}}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--fg);-webkit-font-smoothing:antialiased;margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Pretendard,Segoe UI,Roboto,sans-serif;line-height:1.6}.container{max-width:720px;margin:0 auto;padding:48px 24px 32px}.brand{color:var(--accent);align-items:center;gap:10px;font-size:20px;font-weight:800;text-decoration:none;display:inline-flex}.brand-icon{color:#fff;background:linear-gradient(135deg,#4a6af5,#a058f5);border-radius:8px;justify-content:center;align-items:center;width:28px;height:28px;font-size:14px;font-weight:900;display:inline-flex}h1{letter-spacing:-.02em;margin:24px 0 8px;font-size:34px;font-weight:900}h2{margin:32px 0 8px;font-size:20px;font-weight:700}h3{margin:20px 0 6px;font-size:16px;font-weight:700}p,li{color:var(--fg);font-size:15px}ul,ol{padding-left:20px}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.muted{color:var(--muted);font-size:13px}.callout{background:color-mix(in srgb, var(--accent) 8%, transparent);border:1px solid color-mix(in srgb, var(--accent) 20%, transparent);border-radius:12px;margin:16px 0;padding:16px 18px}hr{border:none;border-top:1px solid var(--hairline);margin:24px 0}.footer{max-width:720px;color:var(--muted);border-top:1px solid var(--hairline);margin:0 auto;padding:32px 24px 48px;font-size:13px}.hero{margin-bottom:28px}.tagline{color:var(--muted);margin:4px 0 0;font-size:16px}