:root {
      --ink: #111316;
      --charcoal: #1e2429;
      --graphite: #343a40;
      --steel: #6e7781;
      --stone: #e8e3dc;
      --paper: #f7f4ef;
      --white: #ffffff;
      --sage: #80917f;
      --copper: #b2784a;
      --line: rgba(17, 19, 22, 0.14);
      --dark-line: rgba(255, 255, 255, 0.16);
      --shadow: 0 24px 70px rgba(17, 19, 22, 0.12);
      --max-width: 1160px;
      --ease: 180ms ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      color: var(--ink);
      background: var(--paper);
      font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      font-size: 16px;
      line-height: 1.6;
      letter-spacing: 0;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      z-index: -1;
      pointer-events: none;
      background:
        linear-gradient(90deg, rgba(17, 19, 22, 0.035) 1px, transparent 1px),
        linear-gradient(0deg, rgba(17, 19, 22, 0.025) 1px, transparent 1px),
        var(--paper);
      background-size: 56px 56px;
    }

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

    p,
    h1,
    h2,
    h3 {
      margin: 0;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 10;
      border-bottom: 1px solid var(--dark-line);
      background: rgba(30, 36, 41, 0.94);
      color: var(--white);
      -webkit-backdrop-filter: blur(16px);
      backdrop-filter: blur(16px);
    }

    .nav {
      width: min(100% - 32px, var(--max-width));
      min-height: 68px;
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 700;
      letter-spacing: 0;
      white-space: nowrap;
    }

    .brand-mark {
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      border: 1px solid var(--dark-line);
      background: rgba(255, 255, 255, 0.06);
      color: var(--stone);
      font-size: 0.82rem;
    }

    .nav-links {
      display: none;
      align-items: center;
      gap: 22px;
      color: rgba(255, 255, 255, 0.76);
      font-size: 0.9rem;
    }

    .nav-links a {
      transition: color var(--ease);
    }

    .nav-links a:hover {
      color: var(--white);
    }

    .section {
      padding: 76px 0;
    }

    .container {
      width: min(100% - 32px, var(--max-width));
      margin: 0 auto;
    }

    .eyebrow {
      margin-bottom: 14px;
      color: var(--copper);
      font-size: 0.78rem;
      font-weight: 800;
      letter-spacing: 0.12em;
      text-transform: uppercase;
    }

    .section-title {
      max-width: 760px;
      color: var(--ink);
      font-family: Georgia, "Times New Roman", serif;
      font-size: clamp(2rem, 6vw, 3.65rem);
      font-weight: 500;
      line-height: 1.04;
    }

    .section-copy {
      max-width: 760px;
      margin-top: 24px;
      color: var(--graphite);
      font-size: clamp(1.02rem, 2.2vw, 1.22rem);
    }

    .hero {
      min-height: calc(100svh - 68px);
      display: grid;
      align-items: center;
      padding: 78px 0 48px;
      background: var(--charcoal);
      color: var(--white);
      overflow: hidden;
    }

    .hero .container {
      display: grid;
      gap: 44px;
    }

    .hero-grid {
      display: grid;
      gap: 36px;
      align-items: end;
    }

    .hero-kicker {
      color: var(--stone);
      font-size: 0.82rem;
      font-weight: 800;
      letter-spacing: 0.12em;
      text-transform: uppercase;
    }

    .hero h1 {
      margin-top: 18px;
      max-width: 920px;
      font-family: Georgia, "Times New Roman", serif;
      font-size: clamp(3.25rem, 15vw, 8.7rem);
      font-weight: 500;
      line-height: 0.88;
      letter-spacing: 0;
    }

    .positioning {
      margin-top: 26px;
      max-width: 740px;
      color: rgba(255, 255, 255, 0.88);
      font-size: clamp(1.05rem, 2.5vw, 1.45rem);
      line-height: 1.45;
    }

    .hero-statement {
      max-width: 460px;
      padding-top: 22px;
      border-top: 1px solid var(--dark-line);
      color: rgba(255, 255, 255, 0.74);
      font-size: 1rem;
    }

    .hero-panel {
      display: grid;
      grid-template-columns: 1fr;
      gap: 1px;
      overflow: hidden;
      border: 1px solid var(--dark-line);
      background: var(--dark-line);
      box-shadow: 0 30px 90px rgba(0, 0, 0, 0.24);
    }

    .signal {
      min-height: 132px;
      padding: 24px;
      background: rgba(255, 255, 255, 0.055);
    }

    .signal span {
      display: block;
      color: var(--stone);
      font-size: 0.74rem;
      font-weight: 800;
      letter-spacing: 0.11em;
      text-transform: uppercase;
    }

    .signal strong {
      display: block;
      margin-top: 12px;
      color: var(--white);
      font-family: Georgia, "Times New Roman", serif;
      font-size: 1.45rem;
      font-weight: 500;
      line-height: 1.1;
    }

    .intro-grid,
    .leadership-grid {
      display: grid;
      gap: 34px;
    }

    .summary-lede {
      color: var(--ink);
      font-family: Georgia, "Times New Roman", serif;
      font-size: clamp(1.7rem, 5vw, 3rem);
      line-height: 1.12;
    }

    .summary-body {
      color: var(--graphite);
      font-size: 1.05rem;
    }

    .meta-stack {
      display: grid;
      gap: 16px;
    }

    .meta-item {
      padding: 18px 0;
      border-top: 1px solid var(--line);
    }

    .meta-label {
      color: var(--steel);
      font-size: 0.74rem;
      font-weight: 800;
      letter-spacing: 0.1em;
      text-transform: uppercase;
    }

    .meta-value {
      margin-top: 6px;
      color: var(--ink);
      font-weight: 700;
    }

    .mastery-grid {
      display: grid;
      gap: 14px;
      margin-top: 38px;
    }

    .mastery-card {
      min-height: 220px;
      padding: 24px;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, 0.58);
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
    }

    .mastery-card:hover {
      transform: translateY(-3px);
      border-color: rgba(178, 120, 74, 0.45);
      box-shadow: var(--shadow);
    }

    .mastery-card h3 {
      color: var(--ink);
      font-family: Georgia, "Times New Roman", serif;
      font-size: 1.45rem;
      font-weight: 500;
      line-height: 1.15;
    }

    .mastery-card p {
      margin-top: 16px;
      color: var(--graphite);
      font-size: 0.98rem;
    }

    .mastery-feature {
      background: linear-gradient(180deg, rgba(178, 120, 74, 0.10), rgba(255, 255, 255, 0.62));
      border-color: rgba(178, 120, 74, 0.42);
    }

    .mastery-tag {
      display: inline-block;
      margin-bottom: 14px;
      padding: 4px 10px;
      background: var(--ink);
      color: var(--paper);
      font-size: 0.66rem;
      font-weight: 800;
      letter-spacing: 0.16em;
      text-transform: uppercase;
    }

    .initiatives-grid {
      display: grid;
      gap: 14px;
      margin-top: 38px;
    }

    .initiative-card {
      display: grid;
      gap: 14px;
      padding: 26px;
      border: 1px solid var(--line);
      background: var(--white);
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
    }

    .initiative-card:hover {
      transform: translateY(-3px);
      border-color: rgba(17, 19, 22, 0.36);
      box-shadow: var(--shadow);
    }

    .initiative-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px 14px;
      align-items: center;
      justify-content: space-between;
      color: var(--steel);
      font-size: 0.74rem;
      font-weight: 800;
      letter-spacing: 0.12em;
      text-transform: uppercase;
    }

    .initiative-tag {
      color: var(--copper);
    }

    .initiative-card h3 {
      color: var(--ink);
      font-family: Georgia, "Times New Roman", serif;
      font-size: 1.32rem;
      font-weight: 500;
      line-height: 1.2;
    }

    .initiative-card p {
      color: var(--graphite);
      font-size: 0.98rem;
    }

    .writing {
      background: var(--charcoal);
      color: var(--white);
    }

    .writing .eyebrow {
      color: var(--stone);
    }

    .writing .section-title,
    .writing .section-copy {
      color: var(--white);
    }

    .whitepaper-feature {
      display: grid;
      gap: 18px;
      margin-top: 38px;
      padding: 32px;
      border: 1px solid var(--dark-line);
      background: rgba(255, 255, 255, 0.045);
    }

    .whitepaper-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px 16px;
      align-items: center;
      justify-content: space-between;
      color: var(--stone);
      font-size: 0.74rem;
      font-weight: 800;
      letter-spacing: 0.14em;
      text-transform: uppercase;
    }

    .whitepaper-tag {
      color: var(--copper);
    }

    .whitepaper-feature h3 {
      color: var(--white);
      font-family: Georgia, "Times New Roman", serif;
      font-size: clamp(1.6rem, 4vw, 2.4rem);
      font-weight: 500;
      line-height: 1.12;
    }

    .whitepaper-feature p {
      color: rgba(255, 255, 255, 0.82);
      font-size: 1.05rem;
      max-width: 760px;
    }

    .whitepaper-cta {
      align-self: start;
      margin-top: 6px;
      padding: 12px 18px;
      border: 1px solid var(--copper);
      color: var(--paper);
      font-weight: 800;
      letter-spacing: 0.04em;
      transition: background var(--ease), color var(--ease);
    }

    .whitepaper-cta:hover {
      background: var(--copper);
      color: var(--ink);
    }

    .outcomes {
      background: var(--ink);
      color: var(--white);
    }

    .outcomes .eyebrow {
      color: var(--stone);
    }

    .outcomes .section-title,
    .outcomes .section-copy {
      color: var(--white);
    }

    .outcome-list {
      display: grid;
      gap: 1px;
      margin-top: 38px;
      background: var(--dark-line);
      border: 1px solid var(--dark-line);
    }

    .outcome-item {
      display: grid;
      gap: 14px;
      padding: 24px;
      background: #171a1e;
    }

    .outcome-number {
      color: var(--copper);
      font-weight: 800;
      letter-spacing: 0.08em;
    }

    .outcome-item p {
      color: rgba(255, 255, 255, 0.82);
      font-size: 1.04rem;
    }

    .timeline {
      position: relative;
      display: grid;
      gap: 26px;
      margin-top: 42px;
    }

    .timeline-item {
      position: relative;
      display: grid;
      gap: 14px;
      padding: 0 0 28px 28px;
      border-left: 1px solid var(--line);
    }

    .timeline-item::before {
      content: "";
      position: absolute;
      top: 4px;
      left: -5px;
      width: 9px;
      height: 9px;
      background: var(--copper);
    }

    .timeline-period {
      color: var(--steel);
      font-size: 0.76rem;
      font-weight: 800;
      letter-spacing: 0.1em;
      text-transform: uppercase;
    }

    .timeline-role {
      color: var(--ink);
      font-family: Georgia, "Times New Roman", serif;
      font-size: clamp(1.38rem, 4vw, 2.2rem);
      font-weight: 500;
      line-height: 1.13;
    }

    .timeline-scope {
      color: var(--graphite);
      font-size: 1rem;
    }

    .principles {
      display: grid;
      gap: 18px;
      margin-top: 38px;
    }

    .principle {
      display: grid;
      gap: 10px;
      padding: 22px 0;
      border-top: 1px solid var(--line);
    }

    .principle h3 {
      color: var(--ink);
      font-size: 1rem;
      font-weight: 800;
    }

    .principle p {
      color: var(--graphite);
    }

    .presence {
      padding: 64px 0;
      background: var(--charcoal);
      color: var(--white);
    }

    .presence-grid {
      display: grid;
      gap: 28px;
      align-items: end;
    }

    .presence h2 {
      max-width: 760px;
      font-family: Georgia, "Times New Roman", serif;
      font-size: clamp(2rem, 7vw, 4rem);
      font-weight: 500;
      line-height: 1.02;
    }

    .presence-copy {
      max-width: 620px;
      margin-top: 18px;
      color: rgba(255, 255, 255, 0.78);
      font-size: 1.02rem;
    }

    .engagements {
      display: grid;
      gap: 8px;
      margin: 22px 0 26px;
      padding: 0;
      list-style: none;
      color: rgba(255, 255, 255, 0.86);
      font-size: 0.96rem;
    }

    .engagements li {
      padding-left: 18px;
      position: relative;
    }

    .engagements li::before {
      content: "—";
      position: absolute;
      left: 0;
      color: var(--copper);
      font-weight: 800;
    }

    .contact-links {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .contact-link {
      min-height: 48px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 0 18px;
      border: 1px solid var(--dark-line);
      color: rgba(255, 255, 255, 0.88);
      transition: background var(--ease), color var(--ease), border-color var(--ease);
    }

    .contact-link:hover {
      border-color: rgba(255, 255, 255, 0.42);
      background: rgba(255, 255, 255, 0.08);
      color: var(--white);
    }

    .contact-link-primary {
      border-color: var(--copper);
      background: rgba(178, 120, 74, 0.18);
      color: var(--white);
    }

    .contact-link-primary:hover {
      background: var(--copper);
      color: var(--ink);
    }

    .site-footer {
      padding: 24px 0;
      border-top: 1px solid var(--dark-line);
      background: var(--charcoal);
      color: rgba(255, 255, 255, 0.56);
      font-size: 0.86rem;
    }

    .footer-row {
      width: min(100% - 32px, var(--max-width));
      margin: 0 auto;
      display: flex;
      flex-wrap: wrap;
      gap: 10px 20px;
      justify-content: space-between;
    }

    .reveal {
      opacity: 0;
      transform: translateY(14px);
      transition: opacity 500ms ease, transform 500ms ease;
    }

    .reveal.is-visible {
      opacity: 1;
      transform: translateY(0);
    }

    /* ---------- Methodology (Frontier Transformation Journey) ---------- */
    .method {
      background: var(--paper);
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }

    .method-grid {
      list-style: none;
      padding: 0;
      margin: 36px 0 0 0;
      display: grid;
      gap: 18px;
      counter-reset: phase;
    }

    .method-step {
      position: relative;
      padding: 28px 28px 30px 28px;
      background: var(--white);
      border: 1px solid var(--line);
      border-top: 3px solid var(--copper);
      transition: transform var(--ease), box-shadow var(--ease);
    }

    .method-step:hover {
      transform: translateY(-2px);
      box-shadow: 0 14px 32px rgba(20, 22, 26, 0.06);
    }

    .method-step-number {
      display: inline-block;
      font-family: "Inter", system-ui, sans-serif;
      font-size: 0.72rem;
      font-weight: 700;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: var(--copper);
      margin-bottom: 10px;
    }

    .method-step h3 {
      font-family: Georgia, "Times New Roman", serif;
      font-size: 1.45rem;
      line-height: 1.18;
      margin: 0 0 10px 0;
      color: var(--ink);
    }

    .method-step p {
      color: var(--graphite);
      margin: 0;
    }

    /* ---------- Industries chips ---------- */
    .industries-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin: 28px 0 36px 0;
    }

    .industry-chip {
      display: inline-flex;
      align-items: center;
      padding: 10px 16px;
      border: 1px solid var(--line);
      background: var(--white);
      color: var(--charcoal);
      font-size: 0.92rem;
      font-weight: 600;
      letter-spacing: 0.01em;
    }

    /* ---------- Customer quote ---------- */
    .customer-quote {
      margin: 48px 0 0 0;
      padding: 36px 32px;
      background: var(--ink);
      color: var(--white);
      border-left: 3px solid var(--copper);
    }

    .customer-quote blockquote {
      margin: 0 0 14px 0;
      font-family: Georgia, "Times New Roman", serif;
      font-size: clamp(1.2rem, 2.2vw, 1.55rem);
      line-height: 1.45;
      color: rgba(255, 255, 255, 0.94);
    }

    .customer-quote figcaption {
      font-size: 0.85rem;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: rgba(255, 255, 255, 0.62);
    }

    /* ---------- Speaking & Research ---------- */
    .speaking-grid {
      display: grid;
      gap: 18px;
      margin: 32px 0 36px 0;
    }

    .speaking-card {
      padding: 26px;
      background: var(--white);
      border: 1px solid var(--line);
      transition: transform var(--ease), box-shadow var(--ease);
    }

    .speaking-card:hover {
      transform: translateY(-2px);
      box-shadow: 0 14px 32px rgba(20, 22, 26, 0.06);
    }

    .speaking-tag {
      display: inline-block;
      font-size: 0.7rem;
      font-weight: 700;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: var(--copper);
      margin-bottom: 10px;
    }

    .speaking-card h3 {
      font-family: Georgia, "Times New Roman", serif;
      font-size: 1.3rem;
      line-height: 1.2;
      margin: 0 0 10px 0;
      color: var(--ink);
    }

    .speaking-card p {
      color: var(--graphite);
      margin: 0 0 14px 0;
    }

    .speaking-link {
      display: inline-block;
      font-weight: 600;
      letter-spacing: 0.02em;
      color: var(--ink);
      border-bottom: 1px solid var(--copper);
      padding-bottom: 2px;
    }

    .speaking-link:hover {
      color: var(--copper);
    }

    /* ---------- Books / published works ---------- */
    .books-block {
      margin-top: 12px;
      padding: 28px 28px 24px 28px;
      background: var(--paper);
      border: 1px solid var(--line);
    }

    .books-eyebrow {
      font-size: 0.72rem;
      font-weight: 700;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: var(--copper);
      margin: 0 0 14px 0;
    }

    .books-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      gap: 8px;
    }

    .books-list li {
      padding: 8px 0;
      border-bottom: 1px dashed var(--line);
      color: var(--charcoal);
    }

    .books-list li:last-child {
      border-bottom: none;
    }

    .books-list strong {
      color: var(--ink);
    }

    /* ---------- Contact: web properties ---------- */
    .contact-block {
      display: flex;
      flex-direction: column;
      gap: 22px;
    }

    .contact-web {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      gap: 10px;
    }

    .contact-web li {
      display: grid;
      grid-template-columns: 110px 1fr;
      align-items: baseline;
      gap: 14px;
      padding: 10px 0;
      border-top: 1px solid var(--dark-line);
    }

    .contact-web li:last-child {
      border-bottom: 1px solid var(--dark-line);
    }

    .contact-web li span {
      font-size: 0.72rem;
      font-weight: 700;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: rgba(255, 255, 255, 0.52);
    }

    .contact-web li a {
      color: rgba(255, 255, 255, 0.92);
      border-bottom: 1px solid rgba(178, 120, 74, 0.6);
      padding-bottom: 1px;
      transition: color var(--ease), border-color var(--ease);
    }

    .contact-web li a:hover {
      color: var(--copper);
      border-color: var(--copper);
    }

    @media (min-width: 680px) {
      .nav-links {
        display: flex;
      }

      .hero-panel {
        grid-template-columns: repeat(3, 1fr);
      }

      .mastery-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .initiatives-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .outcome-item {
        grid-template-columns: 96px 1fr;
        align-items: start;
      }

      .speaking-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .method-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
      }
    }

    @media (min-width: 940px) {
      .section {
        padding: 108px 0;
      }

      .hero-grid,
      .intro-grid,
      .leadership-grid,
      .presence-grid {
        grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
      }

      .mastery-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
      }

      .initiatives-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
      }

      .speaking-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
      }

      .principle {
        grid-template-columns: 0.44fr 1fr;
      }
    }

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

      *,
      *::before,
      *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
      }

      .reveal {
        opacity: 1;
        transform: none;
      }
    }