:root{--maya:var(--author-1);--tom:var(--author-2);--ui:var(--font-ui);--serif:var(--font-serif);--mono:var(--font-mono);--r:var(--r-md);}

    * {
      box-sizing: border-box
    }

    html {
      scroll-behavior: smooth
    }

    html,
    body {
      height: 100%
    }

    body {
      margin: 0;
      background: var(--bg);
      color: var(--text);
      font-family: var(--ui);
      font-size: 14px;
      line-height: 1.5;
      -webkit-font-smoothing: antialiased;
      display: flex;
      flex-direction: column;
      min-height: 100%;
    }

    a {
      color: inherit;
      text-decoration: none
    }

    ::selection {
      background: var(--highlight);
      color: var(--on-highlight)
    }

    :focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 3px;
      border-radius: 4px
    }

    /* ---------- masthead (matches the spikes) ---------- */
    header.mast {
      position: sticky;
      top: 0;
      z-index: 20;
      flex: 0 0 auto;
      display: flex;
      align-items: center;
      gap: 18px;
      padding: 11px 22px;
      border-bottom: 1px solid var(--line);
      background: var(--bg);
    }

    .brand {
      display: flex;
      align-items: baseline;
      gap: 11px;
      min-width: 0
    }

    .brand h1 {
      font-family: var(--serif);
      font-weight: 500;
      font-size: 21px;
      letter-spacing: -.01em;
      margin: 0;
      white-space: nowrap
    }

    .brand h1 em {
      font-style: italic;
      color: var(--accent)
    }

    .ton {
      font-style: italic;
      color: var(--accent)
    }

    .mast-tag {
      font-family: var(--mono);
      font-size: 10.5px;
      color: var(--faint);
      text-transform: uppercase;
      letter-spacing: .14em;
      white-space: nowrap;
      border: 1px solid var(--line);
      border-radius: 100px;
      padding: 3px 10px
    }

    .spacer {
      flex: 1
    }

    .mast-link {
      font-family: var(--mono);
      font-size: 11px;
      letter-spacing: .04em;
      color: var(--muted);
      padding: 6px 13px;
      border: 1px solid var(--line);
      border-radius: 100px;
      transition: .16s;
      white-space: nowrap
    }

    .mast-link:hover {
      color: var(--text);
      border-color: var(--accent);
      background: var(--accent-soft)
    }

    /* ---------- page frame ---------- */
    main {
      flex: 1 1 auto;
      display: flex;
      justify-content: center;
      padding: 0 24px
    }

    .wrap {
      width: 100%;
      max-width: 880px
    }

    section {
      padding: 0
    }

    /* sections own their own vertical rhythm below */
    .eyebrow {
      font-family: var(--mono);
      font-size: 11px;
      letter-spacing: .18em;
      text-transform: uppercase;
      color: var(--accent);
      margin: 0 0 14px
    }

    /* ---------- hero ---------- */
    .hero {
      padding: 68px 0 54px
    }

    .hero h2 {
      font-family: var(--serif);
      font-weight: 500;
      font-size: clamp(38px, 6vw, 60px);
      line-height: 1.04;
      letter-spacing: -.02em;
      margin: 0 0 20px;
      max-width: 14ch
    }

    .hero h2 em {
      font-style: italic;
      color: var(--accent)
    }

    .hero .lede {
      font-size: 16px;
      color: var(--muted);
      max-width: 60ch;
      margin: 0
    }

    .hero .lede b {
      color: var(--text);
      font-weight: 500
    }

    /* ---------- the signature: a passage that colours itself by author ---------- */
    .proof {
      margin-top: 36px;
      border: 1px solid var(--line);
      border-radius: var(--r);
      background: var(--surface);
      padding: 22px 24px 18px;
      max-width: 64ch;
      position: relative;
      overflow: hidden
    }

    .proof::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0;
      bottom: 0;
      width: 3px;
      background: linear-gradient(180deg, var(--maya), var(--tom))
    }

    .proof .label {
      font-family: var(--mono);
      font-size: 10px;
      letter-spacing: .16em;
      text-transform: uppercase;
      color: var(--faint);
      margin: 0 0 12px
    }

    .proof p.passage {
      font-family: var(--serif);
      font-size: clamp(17px, 2.1vw, 21px);
      line-height: 1.72;
      margin: 0;
      color: var(--text)
    }

    .by-maya {
      color: var(--maya);
      box-shadow: inset 0 -1px 0 color-mix(in srgb, var(--author-1) 32%, transparent);
      transition: box-shadow .16s
    }

    .by-tom {
      color: var(--tom);
      box-shadow: inset 0 -1px 0 color-mix(in srgb, var(--accent) 34%, transparent);
      transition: box-shadow .16s
    }

    .passage:hover .by-maya {
      box-shadow: inset 0 -2px 0 color-mix(in srgb, var(--author-1) 85%, transparent)
    }

    .passage:hover .by-tom {
      box-shadow: inset 0 -2px 0 color-mix(in srgb, var(--accent) 85%, transparent)
    }

    .legend {
      display: flex;
      gap: 22px;
      flex-wrap: wrap;
      margin-top: 16px;
      font-family: var(--mono);
      font-size: 11px;
      color: var(--muted);
      letter-spacing: .02em
    }

    .legend span {
      display: inline-flex;
      align-items: center;
      gap: 8px
    }

    .legend i {
      width: 9px;
      height: 9px;
      border-radius: 2px;
      display: inline-block
    }

    .legend .d-maya {
      background: var(--maya)
    }

    .legend .d-tom {
      background: var(--tom)
    }

    .proof .gloss {
      font-size: 12.5px;
      color: var(--faint);
      margin: 14px 0 0;
      max-width: 56ch
    }

    /* ---------- problem / move ---------- */
    .turn {
      padding: 14px 0 56px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1px;
      background: var(--line);
      border: 1px solid var(--line);
      border-radius: var(--r);
      overflow: hidden;
      margin-bottom: 8px
    }

    .turn .cell {
      background: var(--bg);
      padding: 26px 26px
    }

    .turn .k {
      font-family: var(--mono);
      font-size: 11px;
      letter-spacing: .14em;
      text-transform: uppercase;
      color: var(--faint);
      margin: 0 0 10px
    }

    .turn .cell.move .k {
      color: var(--accent)
    }

    .turn h3 {
      font-family: var(--serif);
      font-weight: 500;
      font-size: 22px;
      line-height: 1.2;
      letter-spacing: -.01em;
      margin: 0 0 9px
    }

    .turn p {
      margin: 0;
      color: var(--muted);
      font-size: 14.5px;
      max-width: 42ch
    }

    .turn-wrap {
      padding-bottom: 0
    }

    /* ---------- lifecycle flow ---------- */
    .flow {
      padding: 6px 0 58px
    }

    .flow .strip {
      display: flex;
      align-items: center;
      gap: 6px;
      flex-wrap: wrap;
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
      padding: 20px 0
    }

    .flow .step {
      font-family: var(--serif);
      font-size: clamp(17px, 2vw, 22px);
      color: var(--text);
      font-weight: 500;
      letter-spacing: -.01em
    }

    .flow .step.mark {
      color: var(--amber)
    }

    .flow .arr {
      color: var(--faint);
      font-family: var(--mono);
      font-size: 15px;
      padding: 0 4px
    }

    .flow .cap {
      font-family: var(--mono);
      font-size: 11px;
      color: var(--faint);
      letter-spacing: .04em;
      margin: 14px 0 0
    }

    /* ---------- who marks / governance ---------- */
    .govern {
      padding: 8px 0 54px;
      border-bottom: 1px solid var(--line);
      margin-bottom: 40px
    }

    .govern .sec-head p {
      max-width: 62ch
    }

    /* ---------- demos ---------- */
    .demos {
      padding: 4px 0 8px
    }

    .sec-head {
      margin: 0 0 22px
    }

    .sec-head h2 {
      font-family: var(--serif);
      font-weight: 500;
      font-size: 30px;
      letter-spacing: -.015em;
      margin: 0 0 8px
    }

    .sec-head p {
      margin: 0;
      color: var(--muted);
      font-size: 14.5px;
      max-width: 58ch
    }

    .grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px
    }

    .card {
      display: flex;
      flex-direction: column;
      gap: 9px;
      position: relative;
      border: 1px solid var(--line);
      border-left: 3px solid transparent;
      border-radius: var(--r);
      background: var(--surface);
      padding: 18px 18px 16px;
      transition: transform .16s ease, border-color .16s ease, background .16s ease, box-shadow .16s ease;
      opacity: 0;
      animation: rise .5s ease forwards;
    }

    .grid .card:nth-child(1) {
      animation-delay: .04s
    }

    .grid .card:nth-child(2) {
      animation-delay: .1s
    }

    .grid .card:nth-child(3) {
      animation-delay: .16s
    }

    @keyframes rise {
      from {
        opacity: 0;
        transform: translateY(10px)
      }

      to {
        opacity: 1;
        transform: none
      }
    }

    .card .top {
      display: flex;
      align-items: baseline;
      justify-content: space-between;
      gap: 10px
    }

    .card .n {
      font-family: var(--mono);
      font-size: 12px;
      color: var(--accent)
    }

    .card .tagdata {
      font-family: var(--mono);
      font-size: 9.5px;
      letter-spacing: .1em;
      text-transform: uppercase;
      color: var(--faint);
      border: 1px solid var(--line-2);
      border-radius: 5px;
      padding: 2px 7px
    }

    .card h3 {
      font-family: var(--serif);
      font-weight: 500;
      font-size: 20px;
      letter-spacing: -.01em;
      margin: 2px 0 0
    }

    .card p {
      margin: 0;
      color: var(--muted);
      font-size: 13.5px;
      flex: 1 1 auto
    }

    .card .go {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      margin-top: 6px;
      font-family: var(--mono);
      font-size: 11.5px;
      font-weight: 500;
      letter-spacing: .04em;
      color: var(--accent)
    }

    .card .go .arr {
      transition: transform .16s ease
    }

    .card:hover,
    .card:focus-visible {
      transform: translateY(-3px);
      outline: none;
      border-color: var(--line);
      border-left-color: var(--accent);
      background: var(--surface-2);
      box-shadow:none
    }

    .card:hover .go .arr,
    .card:focus-visible .go .arr {
      transform: translate(3px, -3px)
    }

    /* teacher card — the other side of the desk, warm amber */
    .cut {
      display: flex;
      align-items: center;
      gap: 14px;
      margin: 28px 0 14px;
      font-family: var(--mono);
      font-size: 11px;
      letter-spacing: .16em;
      text-transform: uppercase;
      color: var(--faint)
    }

    .cut::after {
      content: "";
      flex: 1;
      height: 1px;
      background: var(--line)
    }

    .card.teacher {
      border-left-color: transparent
    }

    .card.teacher .n,
    .card.teacher .go {
      color: var(--amber)
    }

    .card.teacher .ic {
      display: inline-flex
    }

    .card.teacher:hover,
    .card.teacher:focus-visible {
      border-left-color: var(--amber);
      box-shadow:none
    }

    /* ---------- investor pack ---------- */
    .pack {
      margin: 48px 0 0
    }

    .pack .band {
      border: 1px solid var(--line);
      border-radius: 14px;
      overflow: hidden;
      background: var(--surface)
    }

    .pack .inner {
      padding: 34px 32px;
      display: flex;
      gap: 28px;
      align-items: center;
      flex-wrap: wrap
    }

    .pack .copy {
      flex: 1 1 320px;
      min-width: 0
    }

    .pack h2 {
      font-family: var(--serif);
      font-weight: 500;
      font-size: 28px;
      letter-spacing: -.015em;
      margin: 8px 0 10px
    }

    .pack p {
      margin: 0;
      color: var(--muted);
      font-size: 14.5px;
      max-width: 46ch
    }

    .pack .cta {
      flex: 0 0 auto
    }

    .btn {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-family: var(--ui);
      font-weight: 600;
      font-size: 14px;
      color: var(--on-highlight);
      background: var(--accent);
      border: 1px solid var(--accent);
      border-radius: 100px;
      padding: 13px 22px;
      transition: .16s;
      white-space: nowrap
    }

    .btn .arr {
      transition: transform .16s ease
    }

    .btn:hover {
      background: var(--accent-deep);
      border-color: var(--accent-deep);
      box-shadow:none
    }

    .btn:hover .arr {
      transform: translate(3px, -3px)
    }

    .pack .note {
      font-family: var(--mono);
      font-size: 10.5px;
      color: var(--faint);
      letter-spacing: .03em;
      margin: 14px 0 0
    }

    /* ---------- footer ---------- */
    footer {
      flex: 0 0 auto;
      border-top: 1px solid var(--line);
      margin-top: 56px;
      padding: 22px 24px;
      display: flex;
      justify-content: center
    }

    .foot {
      width: 100%;
      max-width: 880px;
      display: flex;
      gap: 16px;
      align-items: baseline;
      flex-wrap: wrap;
      font-size: 12px;
      color: var(--faint)
    }

    .foot .dot {
      color: var(--line)
    }

    .foot b {
      color: var(--muted);
      font-weight: 500
    }

    /* ---------- responsive ---------- */
    @media (max-width:680px) {
      .hero {
        padding: 48px 0 40px
      }

      .turn {
        grid-template-columns: 1fr
      }

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

      .pack .inner {
        padding: 26px 22px
      }

      .flow .strip {
        padding: 16px 0
      }
    }

    @media (prefers-reduced-motion:reduce) {
      html {
        scroll-behavior: auto
      }

      .card {
        animation: none;
        opacity: 1
      }

      .card,
      .card .go .arr,
      .btn,
      .btn .arr,
      .by-maya,
      .by-tom {
        transition: none
      }

      .card:hover,
      .card:focus-visible {
        transform: none
      }
    }