  /* =========================================================
     Style system — derived from reference screenshots
     Bg  #F7F6F3 warm off-white
     Ink #111111
     Mute #6B6B6B
     Yellow accent #F6C042 (warning)
     Green accent #22A06B (ok/not-a-rat)
     Red accent (sparingly) #C4342B
     ========================================================= */

  :root {
    --bg: #F7F6F3;
    --ink: #111111;
    --ink-2: #2A2A2A;
    --mute: #6B6B6B;
    --mute-2: #9A9A9A;
    --rule: #E5E2DC;
    --pill: #111111;
    --pill-text: #FFFFFF;
    --yellow: #F6C042;
    --green: #22A06B;
    --red: #C4342B;

    /* Type scale — 1920x1080 slides */
    --title: 88px;
    --h1: 72px;
    --h2: 56px;
    --sub: 40px;
    --body: 32px;
    --small: 26px;
    --mono: 24px;

    /* Spacing */
    --pad-x: 120px;
    --pad-y: 100px;
    --gap: 40px;
  }

  html, body { margin:0; background:#000; }
  body { font-family: 'Manrope', system-ui, sans-serif; color: var(--ink); }

  deck-stage > section {
    background: var(--bg);
    color: var(--ink);
    font-family: 'Manrope', system-ui, sans-serif;
    font-feature-settings: "ss01" 1;
  }

  /* ---------- Slide frame ---------- */
  .slide {
    padding: var(--pad-y) var(--pad-x);
    display: flex;
    flex-direction: column;
    gap: var(--gap);
    box-sizing: border-box;
  }
  .slide--split { padding: 0; flex-direction: row; gap: 0; }
  .slide--centered { align-items: center; justify-content: center; text-align: center; }
  .slide--flush { padding: 0; }

  /* ---------- Typography ---------- */
  h1, h2, h3, h4, p { margin: 0; }
  .eyebrow {
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: var(--mono);
    font-weight: 500;
    color: var(--mute);
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }
  .title {
    font-size: var(--title);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.04;
  }
  .h1 {
    font-size: var(--h1);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.06;
  }
  .h2 {
    font-size: var(--h2);
    font-weight: 700;
    letter-spacing: -0.015em;
    line-height: 1.1;
  }
  .body {
    font-size: var(--body);
    line-height: 1.45;
    color: var(--ink-2);
    max-width: 20ch;
  }
  .body--wide { max-width: 28ch; }
  .body--full { max-width: none; }
  .sub {
    font-size: var(--sub);
    line-height: 1.3;
    color: var(--ink);
    font-weight: 500;
  }
  .mono { font-family: 'JetBrains Mono', ui-monospace, monospace; }
  .mute { color: var(--mute); }
  .italic { font-style: italic; }

  /* ---------- Pill — signature component ---------- */
  .pill {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    background: var(--pill);
    color: var(--pill-text);
    padding: 14px 26px;
    border-radius: 999px;
    font-size: 28px;
    font-weight: 500;
    white-space: nowrap;
    box-sizing: border-box;
  }
  .pill--ghost { background: transparent; color: var(--ink); border: 2px solid var(--ink); }
  .pill--sm { font-size: 24px; padding: 10px 20px; }
  .pill--lg { font-size: 34px; padding: 18px 32px; }

  /* ---------- Slide number footer ---------- */
  .slide-footer {
    position: absolute;
    left: var(--pad-x);
    right: var(--pad-x);
    bottom: 48px;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-family: 'JetBrains Mono', monospace;
    font-size: 22px;
    color: var(--mute-2);
    letter-spacing: 0.04em;
    white-space: nowrap;
  }

  /* ---------- Split layout (image on right) ---------- */
  .split-text {
    flex: 1 1 50%;
    padding: var(--pad-y) var(--pad-x);
    display: flex; flex-direction: column;
    justify-content: center;
    gap: 36px;
  }
  .split-img {
    flex: 1 1 50%;
    position: relative;
    overflow: hidden;
    background: #222;
  }
  .split-img > .placeholder { position: absolute; inset: 0; }
  .split-img .caption {
    position: absolute; right: 36px; bottom: 32px;
    color: #fff; font-size: 26px; font-weight: 500;
    text-shadow: 0 2px 8px rgba(0,0,0,.5);
  }

  /* ---------- Image placeholder (striped) ---------- */
  .placeholder {
    background:
      repeating-linear-gradient(135deg,
        #2a2a2a 0 14px,
        #1f1f1f 14px 28px);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 26px;
    font-weight: 500;
    letter-spacing: 0.04em;
    padding: 24px;
    box-sizing: border-box;
    line-height: 1.4;
  }
  .placeholder--light {
    background:
      repeating-linear-gradient(135deg,
        #ECE9E2 0 14px,
        #E4E0D7 14px 28px);
    color: #8A8578;
  }
  .placeholder--tinted {
    background:
      repeating-linear-gradient(135deg,
        #3a1d44 0 14px,
        #2c1635 14px 28px);
    color: #E7C4F2;
  }

  /* ---------- Title slide (slide 1) ---------- */
  .s-title .left {
    flex: 1 1 55%;
    padding: var(--pad-y) var(--pad-x);
    display: flex; flex-direction: column; justify-content: center;
    gap: 40px;
  }
  .s-title .title-main { font-size: 140px; font-weight: 800; letter-spacing: -0.03em; line-height: 0.98; }
  .s-title .subtitle { font-size: 30px; color: var(--ink-2); line-height: 1.45; max-width: 24ch; }
  .s-title .byline { display: flex; align-items: center; gap: 20px; margin-top: 20px; }
  .s-title .avatar {
    width: 72px; height: 72px; border-radius: 50%;
    background: #D9D6CE;
    display: flex; align-items: center; justify-content: center;
    color: var(--mute-2); font-size: 30px;
  }
  .s-title .name { font-size: 28px; font-weight: 700; }
  .s-title .role { font-size: 26px; color: var(--mute); }

  /* Crosshair image — original SVG art */
  .crosshair-scene {
    position: absolute; inset: 0;
    background: linear-gradient(180deg, #0a0a0c 0%, #17151a 60%, #24211d 100%);
    overflow: hidden;
  }

  /* ---------- Timeline (gantt) ---------- */
  .timeline {
    margin-top: 20px;
    position: relative;
    padding: 0;
    height: 600px;
  }
  .timeline-cols {
    position: absolute; inset: 0;
    display: grid; grid-template-columns: repeat(6, 1fr);
  }
  .timeline-col {
    border-right: 1.5px solid var(--rule);
    padding-top: 0;
  }
  .timeline-col:last-child { border-right: none; }
  .timeline-col .month {
    padding-top: 0;
    font-size: 28px;
    color: var(--mute);
    font-weight: 500;
    text-align: left;
    padding-left: 24px;
  }
  .timeline-bars {
    position: absolute;
    top: 80px;
    left: 0; right: 0;
    display: flex; flex-direction: column; gap: 22px;
  }
  .bar {
    background: var(--ink);
    color: #fff;
    border-radius: 999px;
    padding: 14px 30px;
    font-size: 26px;
    font-weight: 500;
    height: 56px;
    display: flex; align-items: center;
    box-sizing: border-box;
    white-space: nowrap;
  }

  /* ---------- Big stats ---------- */
  .stats {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border-top: 2px solid var(--ink);
    border-bottom: 2px solid var(--ink);
  }
  .stat {
    padding: 60px 40px;
    border-right: 1.5px solid var(--rule);
  }
  .stat:last-child { border-right: none; }
  .stat-num {
    font-size: 180px;
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1;
  }
  .stat-label {
    margin-top: 18px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 26px;
    color: var(--mute);
    text-transform: uppercase;
    letter-spacing: 0.04em;
  }

  /* ---------- Act / section divider ---------- */
  .act-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 28px;
    color: var(--mute);
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  /* ---------- 3-box pipeline (slide 6) ---------- */
  .pipeline {
    display: grid;
    grid-template-columns: 1fr 60px 1fr 60px 1fr;
    align-items: stretch;
    gap: 0;
    margin-top: 40px;
  }
  .pipeline-box {
    border: 2.5px solid var(--ink);
    border-radius: 24px;
    padding: 50px 40px;
    background: #fff;
    display: flex; flex-direction: column; gap: 18px;
    min-height: 280px;
  }
  .pipeline-box .step {
    font-family: 'JetBrains Mono', monospace;
    font-size: 24px;
    color: var(--mute);
  }
  .pipeline-box .verb {
    font-size: 64px;
    font-weight: 800;
    letter-spacing: -0.02em;
  }
  .pipeline-box .desc {
    font-size: 24px;
    color: var(--ink-2);
    line-height: 1.4;
    margin-top: auto;
  }
  .pipeline-arrow {
    display: flex; align-items: center; justify-content: center;
    font-size: 42px;
    color: var(--ink);
  }
  .pipeline-callout {
    margin-top: 50px;
    font-size: 38px;
    font-weight: 600;
    color: var(--ink);
    padding-top: 30px;
    border-top: 2px solid var(--rule);
  }

  /* ---------- Thumbnail grid (slide 7) ---------- */
  .thumb-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    grid-template-rows: repeat(3, 1fr);
    gap: 12px;
    flex: 1;
  }
  .thumb {
    background: #222;
    position: relative;
    overflow: hidden;
    border-radius: 6px;
  }
  .thumb .ts {
    position: absolute; left: 10px; bottom: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 16px;
    color: #fff;
    opacity: 0.9;
    text-shadow: 0 1px 2px rgba(0,0,0,.8);
  }
  .thumb .rec {
    position: absolute; right: 10px; top: 8px;
    width: 10px; height: 10px; border-radius: 50%;
    background: #E63946;
  }

  /* ---------- Training chart mock (slide 8) ---------- */
  .chart {
    background: #fff;
    border: 2px solid var(--ink);
    border-radius: 18px;
    padding: 40px;
    display: flex; flex-direction: column;
    gap: 20px;
  }
  .chart-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 24px;
    color: var(--mute);
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }
  .chart-value {
    font-size: 96px; font-weight: 800; letter-spacing: -0.02em;
  }

  /* utility */
  .row { display: flex; gap: 24px; align-items: center; }
  .col { display: flex; flex-direction: column; gap: 24px; }
  .grow { flex: 1; }
  .spacer { flex: 1; }

  .warn-icon {
    display: inline-flex; align-items: center; justify-content: center;
    width: 96px; height: 96px;
    font-size: 76px;
    line-height: 1;
  }

  /* Confirmation-bias slides: quote */
  .quote {
    font-size: 52px;
    font-weight: 400;
    font-style: italic;
    line-height: 1.3;
    letter-spacing: -0.01em;
    max-width: 24ch;
  }
  .cite {
    margin-top: 36px;
    font-size: 28px;
    color: var(--mute);
    font-style: normal;
  }
