margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    :root {
      /* Palette — OKLCH throughout */
      --bg:          oklch(0.09 0.000 0);
      --surface:     oklch(0.13 0.005 353);
      --surface-2:   oklch(0.17 0.006 353);
      --border:      oklch(0.22 0.005 353);
      --ink:         oklch(0.95 0.005 353);
      --muted:       oklch(0.58 0.005 353);
      --primary:     oklch(0.64 0.155 353);
      --primary-dim: oklch(0.55 0.120 353);
      --accent:      oklch(0.75 0.120 210);
      --code-str:    oklch(0.78 0.095 145);
      --code-kw:     oklch(0.70 0.130 353);
      --code-fn:     oklch(0.80 0.090 80);
      --code-cm:     oklch(0.42 0.005 353);

      /* Scale */
      --r:    5px;
      --r-lg: 9px;
    }

    html {
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
      background: var(--bg);
      color: var(--ink);
      line-height: 1.6;
      min-height: 100vh;
    }

    /* ── Focus ── */
    :focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 3px;
      border-radius: 3px;
    }

    /* ── Layout ── */
    .wrap {
      max-width: 880px;
      margin: 0 auto;
      padding: 0 2rem;
    }

    /* ── Header ── */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 20;
      background: oklch(0.09 0 0 / 0.88);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border);
    }

    .site-header .wrap {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 3.25rem;
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      text-decoration: none;
      color: var(--ink);
      font-size: 0.9375rem;
      font-weight: 600;
    }

    .logo-mark {
      width: 22px;
      height: 22px;
      background: var(--primary);
      border-radius: 4px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.6875rem;
      font-weight: 700;
      color: #fff;
      letter-spacing: -0.01em;
      flex-shrink: 0;
    }

    .site-nav {
      display: flex;
      align-items: center;
      gap: 0.125rem;
    }

    .site-nav a {
      color: var(--muted);
      text-decoration: none;
      font-size: 0.8125rem;
      padding: 0.375rem 0.625rem;
      border-radius: var(--r);
      transition: color 0.12s, background 0.12s;
    }

    .site-nav a:hover {
      color: var(--ink);
      background: var(--surface);
    }

    .site-nav .nav-cta {
      color: var(--ink);
      background: var(--surface);
      border: 1px solid var(--border);
      margin-left: 0.25rem;
    }

    .site-nav .nav-cta:hover {
      background: var(--surface-2);
      border-color: oklch(0.30 0.005 353);
    }

    /* ── Hero ── */
    .hero {
      padding: 5.5rem 0 5rem;
      text-align: center;
    }

    .hero-badge {
      display: inline-block;
      font-size: 0.6875rem;
      font-weight: 600;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      color: var(--primary);
      background: oklch(0.64 0.155 353 / 0.10);
      border: 1px solid oklch(0.64 0.155 353 / 0.25);
      border-radius: 2rem;
      padding: 0.25rem 0.75rem;
      margin-bottom: 1.5rem;
    }

    .hero h1 {
      font-size: 2.875rem;
      font-weight: 700;
      line-height: 1.175;
      letter-spacing: -0.025em;
      color: var(--ink);
      max-width: 640px;
      margin: 0 auto 1.25rem;
      text-wrap: balance;
    }

    .hero-desc {
      font-size: 1.0625rem;
      color: var(--muted);
      max-width: 490px;
      margin: 0 auto 2.75rem;
      line-height: 1.65;
    }

    .install {
      display: inline-flex;
      align-items: center;
      gap: 0.875rem;
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--r-lg);
      padding: 0.75rem 1.25rem;
      font-family: 'SFMono-Regular', 'Cascadia Code', Consolas, 'Courier New', monospace;
      font-size: 0.875rem;
    }

    .install-prefix {
      color: var(--muted);
      user-select: none;
    }

    .install-cmd {
      color: var(--accent);
    }

    /* ── Section headings ── */
    .section-heading {
      font-size: 1.5rem;
      font-weight: 600;
      letter-spacing: -0.015em;
      color: var(--ink);
      margin-bottom: 1.75rem;
    }

    /* ── Features ── */
    .features {
      padding: 4rem 0;
      border-top: 1px solid var(--border);
    }

    .feature-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      border: 1px solid var(--border);
      border-radius: var(--r-lg);
      overflow: hidden;
      list-style: none;
    }

    .feature-cell {
      padding: 1.375rem 1.5rem;
      border-right: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }

    .feature-cell:nth-child(even) {
      border-right: none;
    }

    .feature-cell:nth-last-child(-n+2) {
      border-bottom: none;
    }

    .feature-name {
      font-size: 0.9375rem;
      font-weight: 600;
      color: var(--ink);
      margin-bottom: 0.3rem;
    }

    .feature-desc {
      font-size: 0.8125rem;
      color: var(--muted);
      line-height: 1.55;
    }

    /* ── Quick Start ── */
    .quickstart {
      padding: 4rem 0;
      border-top: 1px solid var(--border);
    }

    .quickstart-desc {
      font-size: 0.9375rem;
      color: var(--muted);
      margin-bottom: 2rem;
      margin-top: -1rem;
    }

    .quickstart-cols {
      display: grid;
      grid-template-columns: 1fr 1.6fr;
      gap: 2.5rem;
      align-items: start;
    }

    .steps {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 1.375rem;
    }

    .step {
      display: flex;
      gap: 0.875rem;
    }

    .step-n {
      flex-shrink: 0;
      width: 22px;
      height: 22px;
      border-radius: 50%;
      background: var(--surface);
      border: 1px solid var(--border);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.65rem;
      font-weight: 600;
      color: var(--muted);
      margin-top: 2px;
    }

    .step-body h4 {
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--ink);
      margin-bottom: 0.25rem;
    }

    .step-body p {
      font-size: 0.8125rem;
      color: var(--muted);
      line-height: 1.5;
    }

    .step-body code {
      font-family: 'SFMono-Regular', 'Cascadia Code', Consolas, monospace;
      font-size: 0.78rem;
      background: var(--surface-2);
      padding: 0.1em 0.35em;
      border-radius: 3px;
      color: var(--accent);
    }

    /* ── Code block ── */
    pre.codeblock {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--r-lg);
      padding: 1.375rem 1.5rem;
      overflow-x: auto;
      font-family: 'SFMono-Regular', 'Cascadia Code', Consolas, monospace;
      font-size: 0.7875rem;
      line-height: 1.75;
      tab-size: 4;
    }

    .kw  { color: var(--code-kw); }
    .ty  { color: var(--accent); }
    .str { color: var(--code-str); }
    .fn  { color: var(--code-fn); }
    .cm  { color: var(--code-cm); }
    .va  { color: var(--ink); }

    /* ── Products ── */
    .products {
      padding: 4rem 0;
      border-top: 1px solid var(--border);
    }

    .product-cols {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1rem;
    }

    .product-card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--r-lg);
      padding: 1.5rem;
      transition: border-color 0.15s;
    }

    .product-card:hover {
      border-color: var(--primary-dim);
    }

    .product-card h3 {
      font-size: 0.9375rem;
      font-weight: 600;
      color: var(--ink);
      margin-bottom: 0.5rem;
      display: flex;
      align-items: baseline;
      gap: 0.5rem;
      flex-wrap: wrap;
    }

    .tag {
      font-size: 0.65rem;
      font-weight: 500;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      padding: 0.15rem 0.45rem;
      background: var(--surface-2);
      border: 1px solid var(--border);
      border-radius: 2rem;
      color: var(--muted);
    }

    .product-card p {
      font-size: 0.8125rem;
      color: var(--muted);
      line-height: 1.55;
      margin-bottom: 1rem;
    }

    pre.pkg {
      background: var(--surface-2);
      border: 1px solid var(--border);
      border-radius: var(--r);
      padding: 0.625rem 0.875rem;
      font-family: 'SFMono-Regular', 'Cascadia Code', Consolas, monospace;
      font-size: 0.75rem;
      color: var(--accent);
      overflow-x: auto;
    }

    /* ── Footer ── */
    .site-footer {
      border-top: 1px solid var(--border);
      padding: 1.75rem 2rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 0.8125rem;
      color: oklch(0.38 0.004 353);
    }

    .site-footer a {
      color: var(--muted);
      text-decoration: none;
      transition: color 0.12s;
    }

    .site-footer a:hover {
      color: var(--ink);
    }

    .footer-links {
      display: flex;
      gap: 1.25rem;
    }

    /* ── Responsive ── */
    @media (max-width: 680px) {
      .wrap {
        padding: 0 1.25rem;
      }

      .hero {
        padding: 3.5rem 0 3rem;
      }

      .hero h1 {
        font-size: 2rem;
        letter-spacing: -0.02em;
      }

      .install {
        font-size: 0.8rem;
        padding: 0.625rem 1rem;
      }

      .feature-grid {
        grid-template-columns: 1fr;
      }

      .feature-cell {
        border-right: none;
      }

      .feature-cell:nth-last-child(-n+2) {
        border-bottom: 1px solid var(--border);
      }

      .feature-cell:last-child {
        border-bottom: none;
      }

      .quickstart-cols {
        grid-template-columns: 1fr;
        gap: 1.75rem;
      }

      .product-cols {
        grid-template-columns: 1fr;
      }

      .site-footer {
        flex-direction: column;
        gap: 0.75rem;
        padding: 1.5rem 1.25rem;
        text-align: center;
      }
    }

    /* ── Motion ── */
    @media (prefers-reduced-motion: no-preference) {
      .product-card,
      .site-nav a {
        transition-duration: 0.15s;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
      }
    }