* { box-sizing: border-box; }
  html, body { margin: 0; padding: 0; }
  body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    color: #000;
    background: #fff;
    line-height: 1.6;
  }
  a { color: #000; }

  header.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    border-bottom: 2px solid #000;
  }
  .brand { display: flex; align-items: baseline; gap: 10px; }
  .brand .name {
    font-family: 'Alfa Slab One', serif; font-size: 22px; letter-spacing: -0.01em;
    text-decoration: none; color: #000;
  }
  .brand .name .dotcom {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    font-weight: 400; font-size: 14px; color: #666; margin-left: 3px;
  }
  .brand .tag { font-size: 12px; color: #666; border: 1px solid #000; padding: 1px 6px; border-radius: 3px; }
  .navtoggle {
    display: none;
    background: #fff; border: 1px solid #000; padding: 6px 12px;
    font-size: 13px; cursor: pointer;
  }

  .shell { display: flex; align-items: flex-start; min-height: calc(100vh - 52px); }

  nav#sidebar {
    width: 270px; flex-shrink: 0;
    border-right: 1px solid #000;
    padding: 18px 16px 40px;
    max-height: calc(100vh - 52px);
    overflow-y: auto;
    position: sticky; top: 52px;
  }

  .nav-group { margin-top: 18px; }
  .nav-group:first-of-type { margin-top: 0; }
  .nav-group-title {
    font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em;
    font-weight: 700; border-bottom: 1px solid #000; padding-bottom: 4px; margin-bottom: 6px;
  }
  .nav-group ul { list-style: none; margin: 0; padding: 0; }
  .nav-group li { margin: 2px 0; }
  .nav-link {
    display: flex; align-items: center; gap: 6px;
    text-decoration: none; font-size: 13.5px; color: #000; padding: 3px 4px; border-radius: 2px;
  }
  .nav-link.planned { color: #777; }
  .nav-link:hover { background: #f0f0f0; }
  .nav-link.active { font-weight: 700; background: #eee; }
  .nav-top-link { font-weight: 700; }


  main#content {
    flex: 1; min-width: 0;
    padding: 36px 44px 80px;
    max-width: 760px;
  }
  main#content h1 { font-size: 30px; border-bottom: 2px solid #000; padding-bottom: 10px; margin-bottom: 6px; }
  main#content h2 { font-size: 21px; margin-top: 36px; border-bottom: 1px solid #000; padding-bottom: 5px; }
  main#content h3 { font-size: 16px; margin-top: 26px; }
  main#content p { margin: 14px 0; }
  main#content ul, main#content ol { padding-left: 22px; }
  main#content li { margin: 4px 0; }
  main#content table { border-collapse: collapse; width: 100%; margin: 18px 0; font-size: 13.5px; }
  main#content th, main#content td { border: 1px solid #000; padding: 8px 10px; text-align: left; vertical-align: top; }
  main#content th { background: #f2f2f2; }
  main#content blockquote {
    border-left: 3px solid #000; margin: 16px 0; padding: 2px 16px; color: #333; font-style: italic;
  }
  main#content hr { border: none; border-top: 1px solid #000; margin: 34px 0; }
  main#content a { text-decoration: underline; }
  main#content strong { font-weight: 700; }
  .kicker { font-size: 12.5px; color: #555; margin-bottom: 18px; }



  footer.sitefooter {
    border-top: 1px solid #000; padding: 20px 32px; font-size: 12.5px; color: #444;
  }
  footer.sitefooter .links { display: flex; flex-wrap: wrap; gap: 4px 18px; margin-bottom: 8px; }
  footer.sitefooter a { color: #444; }

  .wq-form { margin-top: 20px; }
  .wq-question { border: 1px solid #000; padding: 14px 18px; margin-bottom: 18px; }
  .wq-question p.wq-q-text { font-weight: 700; margin: 0 0 10px; }
  .wq-question label { display: block; padding: 5px 0; font-size: 14px; cursor: pointer; }
  .wq-question input[type="radio"] { margin-right: 8px; }
  .wq-submit {
    background: #000; color: #fff; border: 1px solid #000; padding: 10px 20px;
    font-size: 14px; cursor: pointer; margin-right: 10px;
  }
  .wq-submit:hover { background: #333; }

  .cf-form { max-width: 480px; margin: 24px 0; }
  .cf-field { margin-bottom: 18px; }
  .cf-field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; }
  .cf-field input[type="text"], .cf-field input[type="email"], .cf-field textarea {
    width: 100%; border: 1px solid #000; padding: 10px 12px; font-size: 14px;
    font-family: inherit; background: #fff; color: #000;
  }
  .cf-field textarea { min-height: 130px; resize: vertical; }
  .cf-honeypot { position: absolute; left: -9999px; opacity: 0; pointer-events: none; }
  .cf-submit {
    background: #000; color: #fff; border: 1px solid #000; padding: 11px 24px;
    font-size: 14px; font-weight: 600; cursor: pointer;
  }
  .cf-submit:hover { background: #333; }
  .cf-submit:disabled { background: #888; border-color: #888; cursor: not-allowed; }
  .cf-status { margin-top: 14px; font-size: 14px; display: none; padding: 10px 14px; border: 1px solid #000; }
  .cf-status.cf-success { display: block; }
  .cf-status.cf-error { display: block; }
  .wq-reset { background: #fff; color: #000; border: 1px solid #000; padding: 10px 20px; font-size: 14px; cursor: pointer; }
  .wq-error { display: none; border: 1px dashed #000; padding: 10px 16px; margin-top: 14px; font-size: 13.5px; }
  .wq-result { display: none; border: 2px solid #000; padding: 18px 20px; margin-top: 24px; }
  .wq-result h3 { margin-top: 0; }

  .video-embed-wrap { margin: 24px 0; }
  .video-embed {
    position: relative; width: 100%; padding-bottom: 56.25%; height: 0;
    overflow: hidden; border: 1px solid #000; background: #000;
  }
  .video-embed iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0; }
  .video-caption { font-size: 13px; color: #444; margin: 8px 0 0; font-style: italic; }

  /* ===== HOME PAGE ===== */
  .hero { padding: 48px 0 32px; border-bottom: 3px solid #000; }
  .hero .kicker { font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; color: #444; margin-bottom: 16px; }
  .hero h1 { font-size: 48px; line-height: 1.05; margin: 0 0 20px; font-weight: 800; letter-spacing: -0.02em; }
  .hero h1 .thin { font-weight: 400; }
  .hero p.sub { font-size: 17px; line-height: 1.55; max-width: 560px; margin: 0 0 24px; color: #222; }
  .hero .cta-row { display: flex; gap: 12px; flex-wrap: wrap; }
  .hero .cta-primary { background: #000; color: #fff; padding: 12px 22px; font-size: 14px; text-decoration: none; font-weight: 600; border: 1px solid #000; }
  .hero .cta-secondary { background: #fff; color: #000; padding: 12px 22px; font-size: 14px; text-decoration: none; font-weight: 600; border: 1px solid #000; }

  .statbar { background: #000; color: #fff; padding: 36px 24px; margin: 0 -44px; }
  .statbar-inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; max-width: 760px; margin: 0 auto; }
  .stat .num { font-size: 38px; font-weight: 800; line-height: 1; letter-spacing: -0.02em; }
  .stat .label { font-size: 12.5px; color: #ccc; margin-top: 6px; line-height: 1.4; }

  .fastlane { padding: 40px 0; border-bottom: 1px solid #000; }
  .section-kicker { font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; color: #444; margin-bottom: 6px; }
  .fastlane h2, .fork h2 { font-size: 23px; margin: 0 0 20px; font-weight: 800; }
  .fastlane-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
  .buy-card { border: 2px solid #000; padding: 18px; }
  .buy-card .fmt { font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; color: #555; margin-bottom: 6px; }
  .buy-card h3 { font-size: 17px; margin: 0 0 8px; }
  .buy-card p { font-size: 13.5px; line-height: 1.5; color: #333; margin: 0 0 14px; }
  .buy-card .buy-btn { display: inline-block; background: #000; color: #fff; padding: 9px 16px; font-size: 13.5px; text-decoration: none; font-weight: 600; }

  .fork { padding: 40px 0; border-bottom: 1px solid #000; }
  .fork-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .fork-card { border: 1px solid #000; padding: 18px; }
  .fork-card .fork-label { font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; color: #555; margin-bottom: 8px; }
  .fork-card h3 { font-size: 16.5px; margin: 0 0 8px; }
  .fork-card p { font-size: 13.5px; line-height: 1.5; color: #333; margin: 0 0 12px; }
  .fork-card .go { font-size: 13.5px; font-weight: 600; text-decoration: underline; }

  .pullquote { padding: 44px 0; border-bottom: 1px solid #000; }
  .pullquote blockquote { font-size: 26px; line-height: 1.35; font-weight: 600; margin: 0 0 16px; letter-spacing: -0.01em; }
  .pullquote .attribution { font-size: 13.5px; color: #444; }
  .pullquote .attribution a { text-decoration: underline; font-weight: 600; color: #000; }

  .otd { padding: 32px 0; border-bottom: 1px solid #000; display: flex; gap: 16px; align-items: flex-start; }
  .otd .otd-icon { font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; color: #555; border: 1px solid #000; padding: 4px 8px; flex-shrink: 0; margin-top: 2px; }
  .otd .otd-text { font-size: 15px; line-height: 1.5; }
  .otd .otd-meta { font-size: 12.5px; color: #666; margin-top: 4px; }
  .otd a { text-decoration: underline; }

  .archive-index { padding: 44px 0; border-bottom: 1px solid #000; }
  .archive-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; border-top: 1px solid #000; border-left: 1px solid #000; }
  .archive-item { border-right: 1px solid #000; border-bottom: 1px solid #000; padding: 18px 20px; text-decoration: none; color: #000; display: block; }
  .archive-item:hover { background: #f5f5f5; }
  .archive-item .archive-num { font-size: 12px; color: #888; font-weight: 600; }
  .archive-item h3 { font-size: 17px; margin: 6px 0 4px; }
  .archive-item .archive-count { font-size: 12.5px; color: #555; }
  .archive-item.soon { color: #999; }
  .archive-item.soon .archive-count { font-style: italic; }

  .quiztease { padding: 36px 0 44px; display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
  .quiztease .qt-text h3 { font-size: 19px; margin: 0 0 6px; }
  .quiztease .qt-text p { font-size: 14px; color: #444; margin: 0; }
  .quiztease .qt-btn { background: #fff; color: #000; padding: 12px 22px; font-size: 14px; text-decoration: none; font-weight: 600; border: 1px solid #000; flex-shrink: 0; }

  @media (max-width: 700px) {
    .hero h1 { font-size: 32px; }
    .statbar { margin: 0 -20px; }
    .statbar-inner { grid-template-columns: repeat(2, 1fr); }
    .fastlane-grid, .fork-grid, .archive-grid { grid-template-columns: 1fr; }
    .pullquote blockquote { font-size: 21px; }
    .otd { flex-direction: column; }
  }


  .product-card {
    display: flex; gap: 20px; border: 1px solid #000; padding: 18px; margin: 20px 0;
    align-items: flex-start;
  }
  .product-image-slot {
    flex-shrink: 0; width: 140px; height: 140px; border: 1px dashed #000; background: #f7f7f7;
    display: flex; align-items: center; justify-content: center; text-align: center;
  }
  .product-image-placeholder { font-size: 10.5px; color: #666; line-height: 1.4; padding: 8px; }
  .product-info { flex: 1; min-width: 0; }
  .product-name { margin: 0 0 4px; font-size: 17px; }
  .product-meta { margin: 0 0 8px; font-size: 12.5px; color: #555; text-transform: uppercase; letter-spacing: 0.03em; }
  .product-blurb { margin: 0 0 12px; font-size: 14px; line-height: 1.55; }
  .product-cta {
    display: inline-block; background: #000; color: #fff; padding: 8px 16px; font-size: 13.5px;
    text-decoration: none; border: 1px solid #000;
  }
  .product-cta:hover { background: #fff; color: #000; }
  @media (max-width: 600px) {
    .product-card { flex-direction: column; }
    .product-image-slot { width: 100%; height: 120px; }
  }

  @media (max-width: 860px) {
    .navtoggle { display: inline-block; }
    .shell { flex-direction: column; }
    nav#sidebar {
      display: none; width: 100%; border-right: none; border-bottom: 1px solid #000;
      position: static; max-height: none;
    }
    nav#sidebar.open { display: block; }
    main#content { padding: 28px 20px 60px; max-width: none; }
  }