:root {
      --base: #F2EFF0;
      --surface-hero: #F2EFF0;
      --surface-dark: #0F172A;
      --surface-white: #FFFFFF;
      --sec-pad: clamp(72px, 10vw, 128px);
      --surface: #FFFFFF;
      --sub: #F3F6FA;
      --line: #D3DBE5;
      --line2: #BFCAD9;
      --ink: #0F172A;
      --mute: #58687F;
      --faint: #8494A9;
      --cyan: #2FB7DA;
      --steel: #2C4F7C;
      --display: 'Montserrat', system-ui, sans-serif;
      --body: 'IBM Plex Sans', system-ui, sans-serif;
      --mono: 'IBM Plex Mono', ui-monospace, monospace;
      --pad: clamp(20px, 5vw, 72px);
      --r: 14px;
    }

    * {
      box-sizing: border-box
    }

    html {
      scroll-behavior: smooth
    }

    body {
      margin: 0;
      background: var(--surface-hero);
      color: var(--ink);
      font-family: var(--body);
      font-size: 17px;
      line-height: 1.62;
      -webkit-font-smoothing: antialiased
    }

    .wrap {
      max-width: 1440px;
      margin: 0 auto;
      padding: 0 var(--pad)
    }

    h1,
    h2,
    h3 {
      font-family: var(--display);
      font-weight: 600;
      letter-spacing: -.028em;
      line-height: 1.06;
      margin: 0
    }

    p {
      margin: 0
    }

    a {
      color: inherit
    }

    [id] {
      scroll-margin-top: 90px
    }

    .eyebrow {
      font-family: var(--mono);
      font-size: 11.5px;
      letter-spacing: .16em;
      text-transform: uppercase;
      color: var(--faint);
      margin: 0 0 20px
    }

    .lead {
      color: var(--mute);
      font-size: 19px;
      max-width: 48ch
    }

    header {
      position: sticky;
      top: 0;
      z-index: 60;
      background: rgba(242, 239, 240, .86);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--line);
      transition: background .3s
    }

    header.stuck {
      background: rgba(242, 239, 240, .97)
    }

    .bar {
      display: flex;
      align-items: center;
      gap: 34px;
      height: 82px
    }

    .mark {
      display: flex;
      align-items: center;
      gap: 11px;
      text-decoration: none;
      font-family: var(--display);
      font-weight: 600;
      letter-spacing: .11em;
      font-size: 15px
    }

    .nav {
      display: flex;
      gap: 26px;
      margin-left: auto;
      font-size: 15px
    }

    .nav a {
      text-decoration: none;
      color: var(--mute);
      position: relative
    }

    .nav a.active {
      color: var(--ink)
    }

    .nav a.active::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: -9px;
      height: 2px;
      background: var(--cyan)
    }

    .nav a:hover {
      color: var(--ink)
    }

    .btn {
      display: inline-flex;
      align-items: center;
      font-family: var(--body);
      font-weight: 500;
      font-size: 15px;
      padding: 12px 24px;
      border-radius: 0;
      text-decoration: none;
      border: 1px solid transparent;
      cursor: pointer;
      transition: transform .18s, background .18s, border-color .18s, color .18s
    }

    .btn-primary {
      background: var(--ink);
      color: #fff
    }

    .btn-primary:hover {
      background: var(--steel)
    }

    .btn-onink {
      background: #fff;
      color: var(--ink)
    }

    .cta-row {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 32px
    }

    .page-hero {
      padding-top: clamp(48px, 7vw, 92px);
      padding-bottom: clamp(28px, 3.5vw, 48px)
    }

    .page-hero-in {
      display: grid;
      grid-template-columns: 1fr 1.18fr;
      gap: clamp(32px, 5vw, 72px);
      align-items: center
    }

    .hero-col {
      max-width: 600px
    }

    .page-hero h1 {
      font-size: clamp(34px, 4.7vw, 58px);
      letter-spacing: -.04em
    }

    .page-hero .lead {
      margin: 20px 0 0;
      font-size: clamp(16px, 1.8vw, 19px);
      max-width: 56ch
    }

    .hero-media {
      position: relative;
      margin-top: -20px
    }

    .hero-shot {
      position: relative;
      aspect-ratio: 16/10;
      border-radius: 16px;
      overflow: hidden;
      display: flex;
      box-shadow: 0 1px 0 rgba(255, 255, 255, .9) inset, 0 44px 84px -42px rgba(15, 23, 42, .52)
    }

    .hero-shot .ph {
      width: 100%;
      height: 100%;
      border: 1px dashed var(--line2);
      border-radius: 8px;
      background: repeating-linear-gradient(-45deg, var(--sub) 0 10px, transparent 10px 20px);
      display: flex;
      align-items: center;
      justify-content: center
    }

    .hero-shot .ph span {
      font-family: var(--mono);
      font-size: 11px;
      letter-spacing: .12em;
      text-transform: uppercase;
      color: var(--faint);
      background: var(--surface);
      padding: 6px 12px;
      border: 1px solid var(--line)
    }

    /* S4 — "One confidentiality perimeter" hero diagram (animated SVG, GSAP). Its colour
       tokens are mapped onto the site palette, and everything is scoped to
       #s4frame so the generic SVG class names (.h / .mono / .chip / .attr) cannot
       leak into the rest of the page. */
    #s4frame {
      --white: var(--surface-white);
      --axiome: var(--ink);
      --gray: var(--line);
      --off: var(--sub);
      margin-top: 4px
    }

    /* No card: the diagram sits directly on the hero surface. The SVG scales to
       the column width and all its content stays inside the viewBox, so it fills
       the width defined here with nothing cropped. */
    #s4frame>svg {
      display: block;
      width: 100%;
      height: auto
    }

    #s4frame .mono {
      font-family: var(--mono);
      font-weight: 500;
      font-size: 20px;
      letter-spacing: 2.5px;
      fill: var(--steel)
    }

    #s4frame .h {
      font-family: var(--display);
      font-weight: 600;
      font-size: 28px;
      letter-spacing: -.4px;
      fill: var(--ink)
    }

    #s4frame .h2 {
      font-family: var(--display);
      font-weight: 600;
      font-size: 26px;
      letter-spacing: -.3px;
      fill: var(--steel)
    }

    #s4frame .attr {
      font-family: var(--display);
      font-weight: 500;
      font-size: 18px;
      fill: var(--steel)
    }

    #s4frame .chip {
      font-family: var(--display);
      font-weight: 500;
      font-size: 21px;
      fill: var(--ink)
    }


    section {
      padding: var(--sec-pad) 0
    }

    /* Body sections: heading in a left column, content in a right column, so the
       page fills its width like a spec sheet while each measure stays readable.
       No cards, no boxes: the page argues in sentences. */
    .pr {
      display: grid;
      grid-template-columns: minmax(200px, 1fr) 2fr;
      gap: clamp(24px, 4vw, 72px);
      align-items: start
    }

    .pr+.pr {
      border-top: 1px solid var(--line);
      margin-top: clamp(44px, 5vw, 68px);
      padding-top: clamp(44px, 5vw, 68px)
    }

    .pr h2 {
      font-size: clamp(22px, 2.4vw, 31px);
      letter-spacing: -.03em;
      margin: 0
    }

    .pr-body {
      max-width: 68ch
    }

    .pr-body>:first-child {
      margin-top: 0
    }

    .pr p+p {
      margin-top: 18px
    }

    .pr p {
      color: var(--mute);
      font-size: 18px
    }

    .pr p strong,
    .pr li strong {
      color: var(--ink);
      font-weight: 600
    }

    /* Meter lists — plain, no bullets-as-decoration. The bold lead-in on each
       "never priced" line is the argument; the sentence after it is the reason. */
    .meter {
      list-style: none;
      margin: 0;
      padding: 0;
      display: grid;
      gap: 0
    }

    .meter li {
      padding: 18px 0;
      border-top: 1px solid var(--line);
      color: var(--mute);
      font-size: 17px
    }

    .meter li:last-child {
      border-bottom: 1px solid var(--line)
    }

    .moves {
      list-style: none;
      margin: 0;
      padding: 0;
      display: grid;
      gap: 12px
    }

    .moves li {
      position: relative;
      padding-left: 26px;
      color: var(--mute);
      font-size: 18px
    }

    .moves li::before {
      content: "";
      position: absolute;
      left: 0;
      top: .62em;
      width: 8px;
      height: 8px;
      background: var(--cyan)
    }

    .inline-link {
      color: var(--steel);
      text-decoration: underline;
      text-underline-offset: 3px;
      text-decoration-thickness: 1px
    }

    .inline-link:hover {
      color: var(--ink)
    }

    .after-link {
      margin-top: 22px;
      font-size: 16px;
      color: var(--mute)
    }

    .ink {
      background: var(--surface-dark);
      color: #fff
    }

    .band {
      text-align: center;
      padding: var(--sec-pad) 0 clamp(48px, 6vw, 72px)
    }

    .band h2 {
      font-size: clamp(29px, 4.6vw, 56px);
      letter-spacing: -.035em;
      max-width: 22ch;
      margin: 0 auto
    }

    .band p {
      margin: 24px auto 0;
      color: rgba(255, 255, 255, .7);
      max-width: 54ch;
      font-size: 17.5px
    }

    .band .cta-row {
      justify-content: center
    }

    .band .band-meta {
      font-family: var(--body);
      font-size: 13px;
      color: #94A3B8;
      margin-top: 40px;
      white-space: nowrap;
      max-width: none
    }

    .band-meta span:not(:last-child)::after {
      content: "·";
      margin: 0 12px;
      color: #94A3B8
    }

    .reveal {
      opacity: 0;
      transform: translateY(16px)
    }

    .reveal.in {
      opacity: 1;
      transform: none;
      transition: opacity .65s ease, transform .65s cubic-bezier(.2, .7, .3, 1)
    }

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

    footer {
      background: var(--surface-dark);
      color: rgba(255, 255, 255, .6);
      border-top: 1px solid rgba(255, 255, 255, .12);
      padding: clamp(46px, 5.5vw, 76px) 0 42px;
      font-size: 14.5px
    }

    .f-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr;
      gap: 36px
    }

    footer h5 {
      font-family: var(--mono);
      font-size: 10.5px;
      letter-spacing: .16em;
      text-transform: uppercase;
      color: rgba(255, 255, 255, .34);
      margin: 0 0 16px;
      font-weight: 400
    }

    footer ul {
      list-style: none;
      margin: 0;
      padding: 0;
      display: grid;
      gap: 10px
    }

    footer a {
      text-decoration: none
    }

    footer a:hover {
      color: #fff
    }

    .f-mark {
      display: flex;
      align-items: center;
      gap: 11px;
      font-family: var(--display);
      font-weight: 600;
      letter-spacing: .11em;
      font-size: 15px;
      color: #fff
    }

    .f-legal {
      margin-top: 50px;
      padding-top: 26px;
      border-top: 1px solid rgba(255, 255, 255, .12);
      font-family: var(--mono);
      font-size: 11.5px;
      color: rgba(255, 255, 255, .34);
      line-height: 2.1
    }

    @media (max-width:640px) {
      .band .band-meta {
        white-space: normal;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 6px;
        line-height: 1.5
      }

      .band-meta span:not(:last-child)::after {
        content: none
      }
    }

    @media (max-width:900px) {
      .page-hero-in {
        grid-template-columns: 1fr;
        gap: clamp(28px, 6vw, 40px)
      }

      .pr {
        grid-template-columns: 1fr;
        gap: clamp(16px, 4vw, 22px)
      }

      .nav {
        display: none
      }

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

    @media (max-width:560px) {
      body {
        font-size: 16px
      }

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

    @media (prefers-reduced-motion:reduce) {
      * {
        animation: none !important;
        transition: none !important
      }

      .reveal {
        opacity: 1;
        transform: none
      }

      html {
        scroll-behavior: auto
      }
    }