@font-face {
    font-family: 'JB Mono';
    font-weight: 400 800;
    font-style: normal;
    font-display: swap;
    src: url(/assets/fonts/jb-mono.woff2) format("woff2");
  }
  @font-face {
    font-family: 'Public Sans';
    font-weight: 300 800;
    font-style: normal;
    font-display: swap;
    src: url(/assets/fonts/public-sans.woff2) format("woff2");
  }

  :root {
    --ink: #10161C;
    --paper: #EEF1EE;
    --paper-raised: #FFFFFF;
    --line: #D6DEDA;
    --muted: #52605A;
    --accent: #1F6F6A;
    --accent-ink: #0D3F3C;
    --accent-soft: #DCEBE8;
    --approve: #A5652A;
    --approve-soft: #F1E3D2;
    --shadow: 0 1px 2px rgba(16, 22, 28, 0.04), 0 8px 24px rgba(16, 22, 28, 0.05);
    --mono: 'JB Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
    --sans: 'Public Sans', -apple-system, 'Segoe UI', sans-serif;
  }
  @media (prefers-color-scheme: dark) {
    :root {
      --ink: #E7ECE8;
      --paper: #0B0F12;
      --paper-raised: #121A1D;
      --line: #223029;
      --muted: #93A39B;
      --accent: #56C2B7;
      --accent-ink: #BEEAE3;
      --accent-soft: #17302D;
      --approve: #E3A059;
      --approve-soft: #2E2417;
      --shadow: 0 1px 2px rgba(0,0,0,0.3), 0 12px 32px rgba(0,0,0,0.35);
    }
  }
  :root[data-theme="dark"] {
    --ink: #E7ECE8;
    --paper: #0B0F12;
    --paper-raised: #121A1D;
    --line: #223029;
    --muted: #93A39B;
    --accent: #56C2B7;
    --accent-ink: #BEEAE3;
    --accent-soft: #17302D;
    --approve: #E3A059;
    --approve-soft: #2E2417;
    --shadow: 0 1px 2px rgba(0,0,0,0.3), 0 12px 32px rgba(0,0,0,0.35);
  }
  :root[data-theme="light"] {
    --ink: #10161C;
    --paper: #EEF1EE;
    --paper-raised: #FFFFFF;
    --line: #D6DEDA;
    --muted: #52605A;
    --accent: #1F6F6A;
    --accent-ink: #0D3F3C;
    --accent-soft: #DCEBE8;
    --approve: #A5652A;
    --approve-soft: #F1E3D2;
    --shadow: 0 1px 2px rgba(16, 22, 28, 0.04), 0 8px 24px rgba(16, 22, 28, 0.05);
  }

  * { box-sizing: border-box; }
  html { background: var(--paper); scroll-behavior: smooth; }
  body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }
  h1, h2, h3 { font-family: var(--mono); font-weight: 800; text-wrap: balance; letter-spacing: -0.01em; margin: 0; }
  p { margin: 0; color: var(--muted); max-width: 62ch; }
  a { color: var(--accent-ink); }
  .eyebrow {
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent-ink);
    font-weight: 600;
  }
  button, .btn { font-family: var(--sans); }
  :focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

  .rail {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 28px;
  }

  /* NAV */
  header.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 999;
    background: color-mix(in srgb, var(--paper) 88%, transparent);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
  }
  .nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 28px;
    max-width: 1120px;
    margin: 0 auto;
    gap: 16px;
  }
  .logo {
    display: flex;
    align-items: center;
    gap: 9px;
    font-family: var(--mono);
    font-weight: 800;
    font-size: 1rem;
    letter-spacing: 0.02em;
    white-space: nowrap;
  }
  .logo-mark {
    width: 9px; height: 9px;
    background: var(--accent);
    display: inline-block;
    border-radius: 1px;
    flex-shrink: 0;
  }
  .links {
    display: flex;
    gap: 28px;
    list-style: none;
    margin: 0; padding: 0;
  }
  .links a {
    font-family: var(--sans);
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--ink);
    text-decoration: none;
    opacity: 0.8;
  }
  .links a:hover { opacity: 1; color: var(--accent-ink); }
  .cta-btn {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--paper);
    background: var(--accent);
    border: none;
    padding: 10px 18px;
    border-radius: 3px;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
  }
  .cta-btn:hover { filter: brightness(1.08); }
  .cta-ghost {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--ink);
    background: transparent;
    border: 1px solid var(--line);
    padding: 10px 18px;
    border-radius: 3px;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
  }
  .cta-ghost:hover { border-color: var(--accent); color: var(--accent-ink); }
  .nav-toggle {
    display: none;
    background: none;
    border: none;
    padding: 6px;
    margin: -6px;
    color: var(--ink);
    cursor: pointer;
  }
  .nav-mobile-cta { display: none; }

  @media (min-width: 761px) {
    .nav-mobile-links { display: flex; }
  }

  @media (max-width: 760px) {
    .nav-cta-desktop { display: none; }
    .nav-toggle { display: flex; align-items: center; justify-content: center; }
    .nav-mobile-links {
      display: flex;
      flex-direction: column;
      gap: 0;
      position: absolute;
      top: 100%;
      left: 0;
      right: 0;
      background: var(--paper-raised);
      border-bottom: 1px solid var(--line);
      box-shadow: var(--shadow);
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.22s ease;
    }
    .nav-mobile-links li { border-top: 1px solid var(--line); }
    .nav-mobile-links li a { display: block; padding: 14px 28px; }
    .nav-mobile-cta { display: block; padding: 16px 28px; }
    .nav-mobile-cta .cta-btn { display: inline-block; width: 100%; text-align: center; }
    .nav.nav-open .nav-mobile-links { max-height: 480px; }
  }

  /* HERO */
  .hero {
    padding: 84px 28px 40px;
    max-width: 1120px;
    margin: 0 auto;
  }
  .hero-copy { max-width: 780px; }
  .hero h1 {
    font-size: clamp(2.3rem, 5.4vw, 4rem);
    line-height: 1.05;
    margin-top: 18px;
  }
  .hero h1 span { color: var(--accent-ink); }
  .hero p.sub {
    font-size: 1.08rem;
    margin-top: 22px;
    max-width: 58ch;
    color: var(--muted);
  }
  .hero-ctas {
    display: flex;
    gap: 14px;
    margin-top: 30px;
    flex-wrap: wrap;
  }
  .hero-ctas .cta-btn, .hero-ctas .cta-ghost { padding: 13px 22px; font-size: 0.92rem; }

  /* DIAGRAM */
  .diagram-wrap {
    margin-top: 56px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--paper-raised);
    box-shadow: var(--shadow);
    padding: 26px 8px 14px;
  }
  .diagram-caption {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 0 20px 18px;
    flex-wrap: wrap;
    gap: 8px;
  }
  .diagram-caption .eyebrow { font-size: 0.68rem; }
  #pipeline-canvas { width: 100%; height: 200px; display: block; }
  .diagram-legend {
    display: flex;
    gap: 18px;
    padding: 10px 20px 4px;
    flex-wrap: wrap;
    font-family: var(--mono);
    font-size: 0.66rem;
    letter-spacing: 0.06em;
    color: var(--muted);
    text-transform: uppercase;
  }
  .diagram-legend span { display: inline-flex; align-items: center; gap: 6px; }
  .dot { width: 7px; height: 7px; border-radius: 50%; display: inline-block; }
  .dot.accent { background: var(--accent); }
  .dot.approve { background: var(--approve); }

  /* SECTIONS */
  section { padding: 88px 28px; border-top: 1px solid var(--line); }
  .section-head {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 32px;
    max-width: 1120px;
    margin: 0 auto 48px;
  }
  .section-head h2 { font-size: 1.7rem; }
  .section-head .stage-tag {
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--muted);
    padding-top: 6px;
  }
  .section-head .stage-tag b { color: var(--accent-ink); }
  .section-body { max-width: 1120px; margin: 0 auto; }
  @media (max-width: 760px) {
    .section-head { grid-template-columns: 1fr; gap: 10px; }
  }

  /* APPROACH */
  .approach-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
    border-radius: 6px;
    overflow: hidden;
  }
  .approach-card {
    background: var(--paper-raised);
    padding: 30px 26px;
    display: flex;
    flex-direction: column;
    gap: 12px;
  }
  .approach-num {
    font-family: var(--mono);
    font-weight: 800;
    font-size: 0.8rem;
    color: var(--accent-ink);
  }
  .approach-card h3 { font-size: 1.05rem; }
  .approach-card p { font-size: 0.92rem; }
  @media (max-width: 760px) {
    .approach-grid { grid-template-columns: 1fr; }
  }

  /* PROOF */
  .proof-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
  .proof-card {
    background: var(--paper-raised);
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 26px 22px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    box-shadow: var(--shadow);
  }
  .proof-tag {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--mono);
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
  }
  .proof-tag .verified { color: var(--accent-ink); display: flex; align-items: center; gap: 5px; }
  .proof-card h3 { font-size: 1.05rem; line-height: 1.3; }
  .proof-card p { font-size: 0.9rem; }
  .proof-note {
    margin-top: 6px;
    padding: 16px 18px;
    border: 1px dashed var(--line);
    border-radius: 5px;
    font-size: 0.85rem;
    color: var(--muted);
  }
  @media (max-width: 900px) {
    .proof-grid { grid-template-columns: 1fr; }
  }

  /* FIT */
  .fit-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.94rem;
  }
  .fit-table tr { border-top: 1px solid var(--line); }
  .fit-table tr:first-child { border-top: none; }
  .fit-table td { padding: 16px 10px; vertical-align: top; }
  .fit-table td:first-child {
    font-family: var(--mono);
    font-weight: 700;
    width: 240px;
    color: var(--ink);
  }
  .fit-table td:last-child { color: var(--muted); }
  .fit-status {
    display: inline-block;
    font-family: var(--mono);
    font-size: 0.62rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 3px 8px;
    border-radius: 3px;
    background: var(--accent-soft);
    color: var(--accent-ink);
    margin-left: 8px;
  }
  .fit-status.later { background: var(--approve-soft); color: var(--approve); }

  /* ENGAGE */
  .engage-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 22px;
  }
  .phase-card {
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 28px 26px;
    background: var(--paper-raised);
  }
  .phase-card.phase-2 { background: var(--ink); color: var(--paper); border-color: var(--ink); }
  .phase-card.phase-2 .phase-eyebrow { color: var(--accent); }
  .phase-card.phase-2 p { color: color-mix(in srgb, var(--paper) 72%, transparent); }
  .phase-eyebrow { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent-ink); }
  .phase-card h3 { font-size: 1.2rem; margin-top: 8px; }
  .phase-card p { margin-top: 12px; font-size: 0.92rem; }
  @media (max-width: 760px) {
    .engage-grid { grid-template-columns: 1fr; }
  }

  /* CONTACT */
  .contact-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
    background: var(--ink);
    color: var(--paper);
    border-radius: 8px;
    padding: 46px 40px;
  }
  .contact-box h2 { color: var(--paper); font-size: 1.7rem; }
  .contact-box p { color: color-mix(in srgb, var(--paper) 70%, transparent); margin-top: 10px; }
  .contact-box .cta-btn { background: var(--accent); color: var(--ink); font-weight: 700; }

  footer {
    padding: 34px 28px 50px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    color: var(--muted);
    max-width: 1120px;
    margin: 0 auto;
  }

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

  /* CASE STUDIES */
  main { padding-top: 14px; }
  section { scroll-margin-top: 88px; }
    a.proof-card { text-decoration: none; color: inherit; }
  a.proof-card:hover { border-color: var(--accent); }
  .cs-back {
    font-family: var(--mono);
    font-size: 0.78rem;
    letter-spacing: 0.04em;
    color: var(--muted);
    text-decoration: none;
    display: inline-block;
  }
  .cs-back:hover { color: var(--accent-ink); }
  .cs-badges { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 24px; }
  .cs-quote {
    font-family: var(--mono);
    font-size: 1.05rem;
    line-height: 1.65;
    color: var(--ink);
    border-left: 3px solid var(--accent);
    padding: 2px 0 2px 22px;
    margin: 0;
    max-width: 74ch;
  }
  .cs-links { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 14px; }
  .cs-links a { font-size: 0.94rem; font-weight: 600; color: var(--accent-ink); text-decoration: none; }
  .cs-links a:hover { text-decoration: underline; }
  .cs-links span { color: var(--muted); font-size: 0.85rem; display: block; margin-top: 3px; }
  .cs-incident {
    border: 1px solid var(--approve);
    background: var(--approve-soft);
    border-radius: 6px;
    padding: 20px 22px;
    margin-top: 18px;
  }
  .cs-incident .cs-incident-tag {
    font-family: var(--mono);
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--approve);
    display: block;
    margin-bottom: 8px;
  }
  .cs-incident p { color: var(--ink); font-size: 0.92rem; }
  .cs-incident p + p { margin-top: 10px; }
  .cs-learning {
    font-family: var(--mono);
    font-size: 0.98rem;
    line-height: 1.6;
    color: var(--ink);
    border-left: 3px solid var(--approve);
    padding: 2px 0 2px 22px;
    margin-top: 18px;
    max-width: 74ch;
  }

  /* MID-PAGE CTA */
  .mid-cta-inner { text-align: center; }
  .mid-cta-inner .eyebrow { margin-bottom: 18px; }

  /* LEAD CAPTURE MODAL */
  .lead-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: color-mix(in srgb, var(--ink) 60%, transparent);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
  }
  .lead-modal-overlay[hidden] { display: none; }
  .lead-modal {
    background: var(--paper-raised);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
    max-width: 460px;
    width: 100%;
    padding: 34px 30px;
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
  }
  .lead-modal-close {
    position: absolute;
    top: 12px;
    right: 12px;
    background: none;
    border: none;
    font-size: 1.5rem;
    line-height: 1;
    color: var(--muted);
    cursor: pointer;
    padding: 8px;
  }
  .lead-modal-close:hover { color: var(--ink); }
  .lead-modal h2 { font-size: 1.35rem; margin: 8px 0 10px; }
  .lead-modal-sub { font-size: 0.92rem; color: var(--muted); margin: 0 0 22px; }
  .lead-modal-sub a { color: var(--accent-ink); }
  .lead-field { display: block; margin-bottom: 16px; font-size: 0.85rem; }
  .lead-field span {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: var(--ink);
    font-family: var(--sans);
  }
  .lead-field input {
    width: 100%;
    padding: 11px 12px;
    border: 1px solid var(--line);
    border-radius: 5px;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--sans);
    font-size: 0.95rem;
    box-sizing: border-box;
  }
  .lead-field input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
  .lead-hp {
    position: absolute !important;
    left: -9999px !important;
    width: 1px;
    height: 1px;
    overflow: hidden;
  }
  .lead-submit { width: 100%; margin-top: 4px; border: none; }
  .lead-submit:disabled { opacity: 0.6; cursor: default; }
  .lead-form-status { margin-top: 14px; font-size: 0.88rem; text-align: center; min-height: 1.2em; }
  .lead-form-status.error { color: var(--approve); }
  .lead-form-status.success { color: var(--accent-ink); }