@font-face { font-family: 'Inter'; src: url('../fonts/inter-v20-latin-regular.woff2') format('woff2'); font-weight: 400; font-style: normal; font-display: optional; }
  @font-face { font-family: 'Inter'; src: url('../fonts/inter-v20-latin-600.woff2') format('woff2'); font-weight: 600; font-style: normal; font-display: optional; }
  @font-face { font-family: 'Playfair Display'; src: url('../fonts/playfair-display-v40-latin-700.woff2') format('woff2'); font-weight: 700; font-style: normal; font-display: optional; }
  :root {
    --bg: #f3f3f7; --bg2: #ebebee; --bg3: #e4e4e4;
    --accent: #0066cc; --text: #191a1f; --muted: #66656a;
    --border: rgba(1,1,8,0.1); --border-accent: rgba(0,102,204,0.3);
    --mono: 'Inter', sans-serif; --sans: 'Playfair Display', serif;
  }
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body { background: var(--bg); color: var(--text); font-family: var(--mono); line-height: 1.7; overflow-x: hidden; font-size: 1rem; -webkit-font-smoothing: antialiased; }
  .skip-link { position: fixed; top: 1rem; left: 1rem; z-index: 200; transform: translateY(-160%); padding: 0.65rem 1rem; background: var(--accent); color: #fff; font-size: 0.78rem; font-weight: 600; text-decoration: none; transition: transform 0.2s; }
  .skip-link:focus { transform: translateY(0); }
  body::before { content: ''; position: fixed; inset: 0; background-image: linear-gradient(rgba(0,102,204,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(0,102,204,0.05) 1px, transparent 1px); background-size: 40px 40px; pointer-events: none; z-index: 0; }
  nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; display: flex; align-items: center; justify-content: space-between; padding: 1.2rem 3rem; background: rgba(248,248,250,0.92); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
  .nav-logo { font-family: var(--sans); font-weight: 800; font-size: 1.05rem; letter-spacing: 0.05em; color: var(--text); text-decoration: none; flex-shrink: 0; }
  .nav-logo span { color: var(--accent); }
  .nav-links { display: flex; gap: 1.8rem; list-style: none; }
  .nav-links a { color: var(--muted); text-decoration: none; font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; transition: color 0.2s; white-space: nowrap; }
  .nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--accent); }
  a:focus-visible, button:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; border-radius: 8px; }
  .nav-cta { background: var(--accent) !important; color: #fff !important; padding: 0.5rem 1.1rem !important; border-radius: 4px; transition: opacity 0.2s, transform 0.15s !important; white-space: nowrap; }
  .nav-cta:hover { opacity: 0.88 !important; transform: translateY(-1px); }
  .page-wrap { position: relative; z-index: 1; max-width: 760px; margin: 0 auto; padding: 9rem 3rem 6rem; }
  .back-link { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.72rem; color: var(--muted); text-decoration: none; letter-spacing: 0.08em; margin-bottom: 2.5rem; transition: color 0.2s; }
  .back-link:hover { color: var(--accent); }
  .tool-tag { font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent); margin-bottom: 1rem; display: flex; align-items: center; gap: 0.8rem; }
  .tool-tag::before { content: ''; display: block; width: 24px; height: 1px; background: var(--accent); }
  h1 { font-family: var(--sans); font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; line-height: 1.1; letter-spacing: -0.02em; color: var(--text); margin-bottom: 1rem; }
  .tool-meta { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
  .tool-badge { font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; padding: 0.3rem 0.75rem; border: 1px solid var(--border-accent); color: var(--accent); }
  .page-intro { font-size: 0.92rem; color: var(--muted); line-height: 1.9; margin-bottom: 2.5rem; max-width: 58ch; }
  .github-cta { display: inline-flex; align-items: center; gap: 0.6rem; padding: 0.85rem 1.75rem; background: var(--accent); color: #fff; font-family: var(--mono); font-size: 0.82rem; font-weight: 600; text-decoration: none; letter-spacing: 0.04em; transition: opacity 0.2s, transform 0.15s; margin-bottom: 3rem; }
  .github-cta:hover { opacity: 0.85; transform: translateY(-1px); }
  .section-heading { font-family: var(--sans); font-size: 1.1rem; font-weight: 700; color: var(--text); margin-bottom: 1.25rem; letter-spacing: -0.01em; }
  .features-list { list-style: none; margin-bottom: 3rem; }
  .features-list li { display: flex; align-items: flex-start; gap: 0.75rem; padding: 0.7rem 0; border-bottom: 1px solid var(--border); font-size: 0.85rem; color: var(--muted); line-height: 1.7; }
  .features-list li:last-child { border-bottom: none; }
  .feature-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); flex-shrink: 0; margin-top: 0.55rem; }
  .code-block { background: #191a1f; border-radius: 4px; padding: 1.5rem 1.75rem; margin-bottom: 3rem; overflow-x: auto; }
  .code-block pre { font-family: 'Courier New', monospace; font-size: 0.8rem; line-height: 1.8; color: #e8e8ec; margin: 0; }
  .code-comment { color: #66656a; }
  .code-cmd { color: #7dd3fc; }
  .code-var { color: #86efac; }
  .use-case-box { background: rgba(0,102,204,0.05); border-left: 3px solid var(--accent); padding: 1.25rem 1.5rem; margin-bottom: 3rem; font-size: 0.85rem; color: var(--muted); line-height: 1.8; font-style: italic; }
  .related-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 3rem; }
  .related-card { background: var(--bg2); border: 1px solid var(--border); padding: 1.25rem 1.5rem; text-decoration: none; transition: border-color 0.2s; }
  .related-card:hover { border-color: var(--border-accent); }
  .related-card-type { font-size: 0.65rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--accent); margin-bottom: 0.4rem; }
  .related-card h3 { font-size: 0.85rem; font-weight: 600; color: var(--text); line-height: 1.4; }
  .updates-nudge { background: var(--bg2); border: 1px solid var(--border); padding: 1.5rem 2rem; text-align: center; margin-bottom: 2rem; }
  .updates-nudge p { font-size: 0.82rem; color: var(--muted); margin-bottom: 1rem; }
  .updates-nudge a { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.78rem; color: var(--accent); text-decoration: none; font-weight: 600; letter-spacing: 0.04em; }
  .updates-nudge a:hover { text-decoration: underline; }
  .divider { height: 1px; background: var(--border); max-width: 1100px; margin: 0 auto; position: relative; z-index: 1; }
  footer { border-top: 1px solid var(--border); padding: 2rem 3rem; display: flex; justify-content: space-between; align-items: center; max-width: 1100px; margin: 0 auto; font-size: 0.72rem; color: var(--muted); position: relative; z-index: 1; }
  footer a { color: var(--muted); text-decoration: none; }
  footer a:hover { color: var(--accent); }
  ::-webkit-scrollbar { width: 4px; } ::-webkit-scrollbar-track { background: var(--bg); } ::-webkit-scrollbar-thumb { background: rgba(0,102,204,0.3); border-radius: 2px; }
  @media (max-width: 768px) { nav { padding: 1rem 1.5rem; } .nav-links { display: none; } .page-wrap { padding: 7rem 1.5rem 4rem; } .related-grid { grid-template-columns: 1fr; } footer { padding: 2rem 1.5rem; flex-direction: column; gap: 0.5rem; text-align: center; } }
  @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; } }