:root {
      --bg: #f4eee2;
      --panel: #fbf7f0;
      --ink: #1f2229;
      --muted: #64686f;
      --line: #ddcfba;
      --accent: #dd6145;
      --accent-soft: #e2a73a;
      --deep: #222b3b;
      --deep-2: #2d3548;
      --cream: #efe7d7;
    }

    html,
    body {
      height: 100%;
      background:
        radial-gradient(circle at top left, rgba(255, 255, 255, 0.45), transparent 28%),
        linear-gradient(180deg, #efe7d8 0%, #f4eee2 100%);
      font-family: "DM Sans", sans-serif;
      color: var(--ink);
    }

    .reveal {
      font-family: "DM Sans", sans-serif;
      color: var(--ink);
    }

    .reveal .slides {
      text-align: left;
    }

    .reveal .slides section {
      height: 100%;
      padding: 0;
      display: flex;
    }

    .responsive-deck.reveal-viewport {
      overflow: auto;
      touch-action: pan-y;
      overscroll-behavior-y: contain;
    }

    html.responsive-deck,
    body.responsive-deck {
      overflow-y: auto !important;
      overflow-x: hidden !important;
      touch-action: pan-y;
    }

    .responsive-deck .reveal {
      width: 100%;
      height: auto;
      min-height: 100dvh;
      touch-action: pan-y;
    }

    .responsive-deck .reveal .slides {
      position: static !important;
      width: 100% !important;
      height: auto !important;
      inset: auto !important;
      transform: none !important;
      overflow: visible !important;
      touch-action: pan-y;
    }

    .responsive-deck .reveal .slides section {
      position: static !important;
      width: 100% !important;
      min-height: 100dvh;
      left: auto !important;
      top: auto !important;
      margin: 0 !important;
      transform: none !important;
      touch-action: pan-y;
    }

    .responsive-deck .reveal .slides section.past,
    .responsive-deck .reveal .slides section.future {
      display: none !important;
    }

    .responsive-deck .reveal .slides section.present {
      display: block !important;
    }

    .slide-shell {
      box-sizing: border-box;
      width: 100%;
      height: 100%;
      min-height: 100%;
      flex: 1;
      padding: 28px 34px 30px;
      border: 1px solid rgba(221, 207, 186, 0.9);
      border-radius: 12px;
      background: rgba(250, 246, 238, 0.94);
      box-shadow: 0 12px 35px rgba(74, 61, 45, 0.06);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
      overflow: hidden;
    }

    .slide-shell::after {
      content: "";
      position: absolute;
      inset: 0;
      border-radius: 30px;
      pointer-events: none;
      background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.32), transparent 30%),
        radial-gradient(circle at bottom right, rgba(226, 167, 58, 0.06), transparent 24%);
    }

    .eyebrow,
    .footer-note {
      font-family: "IBM Plex Mono", monospace;
      font-size: 22px;
      letter-spacing: 0.28em;
      text-transform: uppercase;
      color: #7e8287;
    }

    .footer-note {
      text-align: right;
      font-size: 18px;
      margin-top: 18px;
    }

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

    .hero {
      margin-top: 30px;
    }

    .hero h1,
    .hero h2 {
      font-family: "Space Grotesk", sans-serif;
      font-size: 4.1rem;
      line-height: 0.98;
      font-weight: 700;
      letter-spacing: -0.05em;
      max-width: 1480px;
    }

    .accent {
      color: var(--accent);
    }

    .subhead {
      margin-top: 32px;
      max-width: 1400px;
      font-size: 1.58rem;
      line-height: 1.34;
      color: #40454f;
      font-style: italic;
    }

    .card-row,
    .metric-row {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 22px;
      margin-top: 26px;
    }

    .triple-row {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 22px;
      margin-top: 28px;
    }

    .workflow-grid {
      display: grid;
      grid-template-columns: 1.05fr 1.2fr 1.05fr;
      gap: 20px;
      margin-top: 28px;
      align-items: stretch;
    }

    .card,
    .metric-card {
      position: relative;
      z-index: 1;
      background: rgba(252, 249, 243, 0.92);
      border: 1px solid var(--line);
      border-radius: 24px;
      padding: 28px 30px 30px;
      min-height: 244px;
    }

    .metric-card {
      min-height: 320px;
    }

    .card-label {
      display: flex;
      align-items: center;
      gap: 16px;
      margin-bottom: 24px;
      font-family: "IBM Plex Mono", monospace;
      letter-spacing: 0.24em;
      text-transform: uppercase;
      color: var(--accent);
      font-size: 1.5rem;
    }

    .card-label .badge {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-family: "Space Grotesk", sans-serif;
      font-size: 1.3rem;
      font-weight: 700;
      letter-spacing: normal;
      color: #fff;
      background: var(--accent);
    }

    .card-label.gold {
      color: #c48a1f;
    }

    .card-label.gold .badge {
      background: #dda938;
      color: #202532;
    }

    .card h3,
    .metric-card h3 {
      font-family: "Space Grotesk", sans-serif;
      font-size: 2.25rem;
      line-height: 1.08;
      letter-spacing: -0.04em;
      margin-bottom: 14px;
    }

    .card p,
    .metric-card p,
    .metric-card li {
      font-size: 1.24rem;
      line-height: 1.42;
      color: #50545c;
    }

    .metric-card ul {
      margin: 16px 0 0;
      padding-left: 1.1em;
    }

    .workflow-column {
      position: relative;
      z-index: 1;
      background: rgba(252, 249, 243, 0.92);
      border: 1px solid var(--line);
      border-radius: 24px;
      padding: 26px 28px 28px;
      min-height: 360px;
    }

    .workflow-column h3 {
      font-family: "Space Grotesk", sans-serif;
      font-size: 2rem;
      line-height: 1.05;
      letter-spacing: -0.04em;
      margin-bottom: 18px;
    }

    .workflow-column ul {
      margin: 0;
      padding-left: 1.1em;
    }

    .workflow-column li {
      margin-bottom: 14px;
      font-size: 1.12rem;
      line-height: 1.35;
      color: #4d525a;
    }

    .workflow-box {
      border: 1px solid var(--line);
      border-radius: 20px;
      padding: 16px 18px;
      background: rgba(255, 255, 255, 0.42);
      margin-bottom: 14px;
    }

    .workflow-box:last-child {
      margin-bottom: 0;
    }

    .workflow-box strong {
      display: block;
      font-family: "Space Grotesk", sans-serif;
      font-size: 1.18rem;
      line-height: 1.1;
      margin-bottom: 6px;
      color: var(--ink);
    }

    .workflow-box span {
      display: block;
      font-size: 1rem;
      line-height: 1.34;
      color: #59606b;
    }

    .workflow-box.highlight {
      background: linear-gradient(180deg, rgba(221, 97, 69, 0.08) 0%, rgba(226, 167, 58, 0.08) 100%);
    }

    .workflow-arrow {
      text-align: center;
      font-family: "IBM Plex Mono", monospace;
      font-size: 0.9rem;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: #8b8f97;
      margin: 10px 0 14px;
    }

    .workflow-slide .hero h2 {
      font-size: 3.45rem;
      max-width: 1320px;
    }

    .workflow-slide .subhead {
      margin-top: 24px;
      font-size: 1.26rem;
      line-height: 1.28;
      max-width: 1380px;
    }

    .workflow-slide .workflow-grid {
      gap: 16px;
      margin-top: 22px;
    }

    .workflow-slide .workflow-column {
      padding: 22px 22px 22px;
      min-height: 0;
    }

    .workflow-slide .card-label {
      margin-bottom: 18px;
      font-size: 1rem;
    }

    .workflow-slide .workflow-column h3 {
      font-size: 1.62rem;
      margin-bottom: 14px;
    }

    .workflow-slide .workflow-column li {
      margin-bottom: 10px;
      font-size: 1rem;
      line-height: 1.28;
    }

    .workflow-slide .workflow-box {
      padding: 12px 14px;
      margin-bottom: 10px;
    }

    .workflow-slide .workflow-box strong {
      font-size: 1.02rem;
      margin-bottom: 4px;
    }

    .workflow-slide .workflow-box span {
      font-size: 0.9rem;
      line-height: 1.24;
    }

    .workflow-slide .workflow-arrow {
      margin: 8px 0 10px;
      font-size: 0.78rem;
    }

    .workflow-slide .proof-strip {
      margin-top: 18px;
      padding: 18px 22px 18px;
    }

    .workflow-slide .proof-strip .equation {
      font-size: 1.55rem;
    }

    .workflow-slide .proof-strip .caption {
      margin-top: 10px;
      font-size: 0.98rem;
    }

    .workflow-slide .proof-strip .micro {
      margin-top: 10px;
      font-size: 0.82rem;
    }

    .title-slide .hero h1 {
      max-width: 1380px;
      font-size: 4.9rem;
    }

    .title-slide {
      justify-content: flex-start;
    }

    .title-slide .subhead {
      max-width: 1200px;
      margin-top: 22px;
      font-size: 2rem;
    }

    .title-slide>div:first-child {
      flex: 1;
      width: 100%;
      display: grid;
      grid-template-rows: auto 1fr auto;
    }

    .title-slide .title-main {
      align-self: center;
    }

    .title-slide .title-payoff {
      align-self: end;
      padding-bottom: 4px;
    }

    .title-slide .proof-strip {
      display: none;
    }

    .problem-slide>div:first-child {
      flex: 1;
      display: flex;
      flex-direction: column;
    }

    .problem-slide .proof-strip {
      margin-top: auto;
    }

    .title-payoff {
      margin-top: 26px;
      font-family: "IBM Plex Mono", monospace;
      font-size: 1.08rem;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      color: #7a7f87;
    }

    .proof-strip {
      position: relative;
      z-index: 1;
      margin-top: 26px;
      padding: 24px 28px 26px;
      border-radius: 24px;
      background: linear-gradient(180deg, var(--deep) 0%, var(--deep-2) 100%);
      color: #f3f1ed;
    }

    .proof-strip .equation {
      font-family: "IBM Plex Mono", monospace;
      font-size: clamp(1.55rem, 2.1vw, 1.9rem);
      text-align: center;
      color: #e5b441;
      letter-spacing: 0.01em;
      font-weight: 500;
    }

    .proof-strip .equation span {
      color: #7f8aa0;
    }

    .proof-strip .caption {
      margin-top: 14px;
      text-align: center;
      font-size: 1.1rem;
      color: #d8dde7;
    }

    .proof-strip .micro {
      margin-top: 16px;
      text-align: center;
      font-family: "IBM Plex Mono", monospace;
      font-size: 0.94rem;
      letter-spacing: 0.26em;
      text-transform: uppercase;
      color: #aeb9cf;
    }

    .kpi {
      font-family: "Space Grotesk", sans-serif;
      font-size: 3rem;
      line-height: 1;
      letter-spacing: -0.05em;
      color: var(--ink);
      margin-bottom: 14px;
    }

    .outcome-copy {
      margin-top: 8px;
      font-size: 1.06rem;
    }

    .reveal .progress {
      color: var(--accent);
      height: 4px;
    }

    .reveal .controls {
      color: var(--accent);
    }

    @media (max-width: 1024px) {
      .slide-shell {
        padding: 22px 24px 24px;
        border-radius: 18px;
      }

      .slide-shell::after {
        border-radius: 18px;
      }

      .eyebrow,
      .footer-note {
        font-size: 16px;
        letter-spacing: 0.18em;
      }

      .hero {
        margin-top: 20px;
      }

      .hero h1,
      .hero h2 {
        font-size: 3.15rem;
        max-width: 100%;
      }

      .title-slide .hero h1 {
        font-size: 3.6rem;
      }

      .title-slide .subhead {
        font-size: 1.45rem;
        max-width: 900px;
      }

      .subhead {
        margin-top: 24px;
        max-width: 100%;
        font-size: 1.18rem;
      }

      .card-row,
      .metric-row {
        gap: 18px;
      }

      .triple-row,
      .workflow-grid {
        grid-template-columns: 1fr;
        gap: 16px;
      }

      .card,
      .metric-card,
      .workflow-column {
        min-height: auto;
        padding: 22px 22px 24px;
      }

      .card-label {
        gap: 12px;
        margin-bottom: 18px;
        font-size: 1.02rem;
        letter-spacing: 0.16em;
      }

      .card h3,
      .metric-card h3,
      .workflow-column h3 {
        font-size: 1.9rem;
      }

      .card p,
      .metric-card p,
      .metric-card li,
      .workflow-column li,
      .workflow-box span {
        font-size: 1.02rem;
        line-height: 1.34;
      }

      .kpi {
        font-size: 2.45rem;
      }

      .workflow-box {
        padding: 14px 16px;
        margin-bottom: 12px;
      }

      .workflow-box strong {
        font-size: 1.05rem;
      }

      .proof-strip {
        padding: 18px 20px 20px;
      }

      .proof-strip .equation {
        font-size: 1.34rem;
        letter-spacing: 0;
      }

      .proof-strip .caption {
        font-size: 0.98rem;
      }

      .proof-strip .micro {
        font-size: 0.8rem;
        letter-spacing: 0.18em;
      }

      .workflow-slide .hero h2 {
        font-size: 2.9rem;
      }
    }

    @media (max-width: 768px) {
      .reveal .slides section {
        height: auto;
        min-height: 100%;
        display: block;
      }

      .slide-shell {
        height: auto;
        min-height: calc(100vh - 20px);
        padding: 18px 18px 20px;
        border-radius: 16px;
      }

      .slide-shell::after {
        border-radius: 16px;
      }

      .eyebrow,
      .footer-note {
        font-size: 12px;
        letter-spacing: 0.12em;
      }

      .hero {
        margin-top: 16px;
      }

      .hero h1,
      .hero h2 {
        font-size: 2.35rem;
        line-height: 1.02;
        letter-spacing: -0.04em;
      }

      .workflow-slide .hero h2 {
        font-size: 2.35rem;
        line-height: 1.02;
      }

      .title-slide .hero h1 {
        font-size: 2.75rem;
      }

      .title-slide .subhead {
        font-size: 1.08rem;
      }

      .title-payoff {
        margin-top: 18px;
        font-size: 0.78rem;
        letter-spacing: 0.12em;
      }

      .subhead {
        margin-top: 18px;
        font-size: 1rem;
        line-height: 1.3;
      }

      .workflow-slide .subhead {
        margin-top: 18px;
        font-size: 1rem;
        line-height: 1.3;
      }

      .card-row,
      .metric-row,
      .triple-row,
      .workflow-grid {
        grid-template-columns: 1fr;
        gap: 14px;
        margin-top: 18px;
      }

      .card,
      .metric-card,
      .workflow-column {
        padding: 18px;
        border-radius: 18px;
      }

      .card-label {
        gap: 10px;
        margin-bottom: 14px;
        font-size: 0.82rem;
        letter-spacing: 0.12em;
      }

      .workflow-slide .card-label {
        gap: 10px;
        margin-bottom: 14px;
        font-size: 0.82rem;
        letter-spacing: 0.12em;
      }

      .card-label .badge {
        width: 38px;
        height: 38px;
        font-size: 1rem;
      }

      .card h3,
      .metric-card h3,
      .workflow-column h3 {
        font-size: 1.55rem;
        margin-bottom: 10px;
      }

      .workflow-slide .workflow-column h3 {
        font-size: 1.55rem;
        margin-bottom: 10px;
      }

      .card p,
      .metric-card p,
      .metric-card li,
      .workflow-column li,
      .workflow-box span,
      .outcome-copy {
        font-size: 0.94rem;
        line-height: 1.32;
      }

      .workflow-slide .workflow-column li,
      .workflow-slide .workflow-box span {
        font-size: 0.94rem;
        line-height: 1.32;
      }

      .metric-card ul,
      .workflow-column ul {
        margin-top: 12px;
      }

      .kpi {
        font-size: 2rem;
      }

      .workflow-arrow {
        font-size: 0.68rem;
        letter-spacing: 0.12em;
        margin: 8px 0;
      }

      .workflow-box {
        padding: 12px 13px;
      }

      .workflow-slide .workflow-box {
        padding: 12px 13px;
      }

      .workflow-box strong {
        font-size: 0.98rem;
      }

      .workflow-slide .workflow-box strong {
        font-size: 0.98rem;
      }

      .problem-slide .proof-strip,
      .workflow-slide .proof-strip {
        margin-top: 18px;
      }

      .proof-strip {
        margin-top: 18px;
        padding: 16px 14px 16px;
        border-radius: 18px;
      }

      .workflow-slide .proof-strip {
        margin-top: 18px;
        padding: 16px 14px 16px;
        border-radius: 18px;
      }

      .proof-strip .equation {
        font-size: 1.02rem;
        line-height: 1.18;
        word-break: break-word;
      }

      .workflow-slide .proof-strip .equation {
        font-size: 1.02rem;
        line-height: 1.18;
      }

      .proof-strip .caption {
        margin-top: 10px;
        font-size: 0.88rem;
        line-height: 1.3;
      }

      .workflow-slide .proof-strip .caption {
        margin-top: 10px;
        font-size: 0.88rem;
        line-height: 1.3;
      }

      .proof-strip .micro {
        margin-top: 10px;
        font-size: 0.68rem;
        letter-spacing: 0.12em;
      }

      .workflow-slide .proof-strip .micro {
        margin-top: 10px;
        font-size: 0.68rem;
        letter-spacing: 0.12em;
      }

      .footer-note {
        margin-top: 14px;
        text-align: left;
      }
    }

    @media (max-width: 480px) {
      .slide-shell {
        min-height: calc(100vh - 12px);
        padding: 14px 14px 16px;
        border-radius: 14px;
      }

      .slide-shell::after {
        border-radius: 14px;
      }

      .eyebrow,
      .footer-note {
        font-size: 10px;
        letter-spacing: 0.1em;
      }

      .hero h1,
      .hero h2 {
        font-size: 1.95rem;
      }

      .workflow-slide .hero h2 {
        font-size: 1.95rem;
      }

      .title-slide .hero h1 {
        font-size: 2.25rem;
      }

      .subhead,
      .title-slide .subhead {
        font-size: 0.92rem;
      }

      .workflow-slide .subhead {
        font-size: 0.92rem;
      }

      .title-payoff {
        font-size: 0.68rem;
      }

      .card-label {
        font-size: 0.72rem;
        letter-spacing: 0.1em;
      }

      .workflow-slide .card-label {
        font-size: 0.72rem;
        letter-spacing: 0.1em;
      }

      .card,
      .metric-card,
      .workflow-column {
        padding: 14px;
        border-radius: 14px;
      }

      .card h3,
      .metric-card h3,
      .workflow-column h3,
      .kpi {
        font-size: 1.3rem;
      }

      .workflow-slide .workflow-column h3 {
        font-size: 1.3rem;
      }

      .card p,
      .metric-card p,
      .metric-card li,
      .workflow-column li,
      .workflow-box span,
      .outcome-copy {
        font-size: 0.88rem;
      }

      .workflow-slide .workflow-column li,
      .workflow-slide .workflow-box span {
        font-size: 0.88rem;
      }

      .proof-strip {
        padding: 14px 12px;
        border-radius: 14px;
      }

      .workflow-slide .proof-strip {
        padding: 14px 12px;
        border-radius: 14px;
      }

      .proof-strip .equation {
        font-size: 0.9rem;
      }

      .workflow-slide .proof-strip .equation {
        font-size: 0.9rem;
      }

      .proof-strip .caption {
        font-size: 0.8rem;
      }

      .workflow-slide .proof-strip .caption {
        font-size: 0.8rem;
      }

      .proof-strip .micro {
        font-size: 0.62rem;
        letter-spacing: 0.1em;
      }

      .workflow-slide .proof-strip .micro {
        font-size: 0.62rem;
        letter-spacing: 0.1em;
      }
    }