/* ── Reset & tokens ───────────────────────────────────────────────────── */
    :root {
      --bg-light:  #f5f2ec;
      --bg-dark:   #11100f;
      --text-dark: #14110f;
      --text-light:#f7f1e7;
      --muted-d:   rgba(20,17,15,0.66);
      --muted-l:   rgba(247,241,231,0.68);
      --accent:    #f04d2f;
      --line-d:    rgba(20,17,15,0.12);
      --line-l:    rgba(247,241,231,0.14);
      --font:      'Inter', sans-serif;
      --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
    }

    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    html, body {
      width: 100%; height: 100%;
      overflow: hidden;
      font-family: var(--font);
      background: var(--bg-dark);
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
    }

    a { color: inherit; text-decoration: none; }
    button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }


    /* ── Fixed chrome ─────────────────────────────────────────────────────── */
    .chrome {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 50;
      height: 64px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 36px;
      pointer-events: none;
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      background: linear-gradient(to bottom, rgba(0,0,0,0.15) 0%, rgba(0,0,0,0) 100%);
    }

    .chrome-brand {
      font-size: 1.6rem;
      font-weight: 300;
      letter-spacing: -0.07em;
      color: var(--accent);
      pointer-events: auto;
    }

    .chrome-counter {
      font-size: 11px;
      letter-spacing: 0.2em;
      color: rgba(255,255,255,0.3);
      font-variant-numeric: tabular-nums;
      transition: color 0.4s ease;
    }
    .chrome-counter.on-light { color: rgba(0,0,0,0.28); }

    .chrome-xtc {
      font-size: 11px;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      color: rgba(255,255,255,0.28);
      pointer-events: auto;
      transition: color 0.15s ease;
    }
    .chrome-xtc:hover { color: var(--accent); }
    .chrome-xtc.on-light { color: rgba(0,0,0,0.28); }
    .chrome-xtc.on-light:hover { color: var(--accent); }

    .chrome-portfolio {
      font-size: 11px;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      color: rgba(255,255,255,0.28);
      pointer-events: auto;
      transition: color 0.15s ease;
    }
    .chrome-portfolio:hover { color: var(--accent); }
    .chrome-portfolio.on-light { color: rgba(0,0,0,0.28); }
    .chrome-portfolio.on-light:hover { color: var(--accent); }


    /* ── Progress rail — right edge ──────────────────────────────────────── */
    .progress {
      position: fixed;
      right: 20px;
      top: 50%;
      transform: translateY(-50%);
      z-index: 50;
      display: flex;
      flex-direction: column;
      gap: 10px;
      pointer-events: none;
    }

    .progress-dot {
      width: 2px;
      height: 18px;
      border-radius: 1px;
      background: rgba(255,255,255,0.18);
      transition: background 0.3s ease, height 0.3s var(--ease-out);
      pointer-events: auto;
      cursor: pointer;
    }
    .progress-dot.active {
      background: var(--accent);
      height: 28px;
    }
    .progress-dot.on-light        { background: rgba(0,0,0,0.14); }
    .progress-dot.on-light.active { background: var(--accent); }


    /* ── Arrow nav — bottom right ─────────────────────────────────────────── */
    .arrows {
      position: fixed;
      right: 36px;
      bottom: 28px;
      z-index: 50;
      display: flex;
      gap: 12px;
    }

    .arrow-btn {
      width: 40px; height: 40px;
      border-radius: 50%;
      border: 1px solid rgba(255,255,255,0.15);
      display: flex; align-items: center; justify-content: center;
      font-size: 0.9rem;
      color: rgba(255,255,255,0.4);
      transition: border-color 0.15s, color 0.15s, background 0.15s;
    }
    .arrow-btn:hover {
      border-color: var(--accent);
      color: var(--accent);
    }
    .arrow-btn:disabled { opacity: 0.2; pointer-events: none; }
    .arrow-btn.on-light {
      border-color: rgba(0,0,0,0.15);
      color: rgba(0,0,0,0.4);
    }


    /* ── Slides container ─────────────────────────────────────────────────── */
    .slides {
      height: 100vh;
      overflow-y: scroll;
      scroll-snap-type: y mandatory;
      scroll-behavior: smooth;
      /* Hide scrollbar */
      scrollbar-width: none;
    }
    .slides::-webkit-scrollbar { display: none; }


    /* ── Individual slide ─────────────────────────────────────────────────── */
    .slide {
      height: 100vh;
      scroll-snap-align: start;
      position: relative;
      display: flex;
      align-items: center;
      overflow: hidden;
    }

    .slide--dark  { background: var(--bg-dark); color: var(--text-light); }
    .slide--light { background: var(--bg-light); color: var(--text-dark); }
    .slide--mid   { background: #181818; color: var(--text-light); }

    /* Animated content wrapper */
    .slide-inner {
      width: 100%;
      padding: 72px clamp(36px, 5vw, 88px) 56px;
      opacity: 0;
      transform: translateY(24px);
      filter: blur(4px);
      transition: opacity 0.55s var(--ease-out),
        transform 0.55s var(--ease-out),
        filter 0.55s var(--ease-out);
    }
    .slide.active .slide-inner {
      opacity: 1;
      transform: translateY(0);
      filter: blur(0);
    }

    /* Stagger children */
    .slide-inner > * { transition-delay: 0.06s; }
    .slide-inner > *:nth-child(2) { transition-delay: 0.12s; }
    .slide-inner > *:nth-child(3) { transition-delay: 0.18s; }
    .slide-inner > *:nth-child(4) { transition-delay: 0.26s; }
    .slide-inner > *:nth-child(5) { transition-delay: 0.34s; }
    .slide-inner > *:nth-child(6) { transition-delay: 0.42s; }

    /* Slide number — top-left micro label */
    .slide-num {
      display: block;
      margin-bottom: 24px;
      font-size: 9px;
      letter-spacing: 0.28em;
      opacity: 0.36;
    }

    /* Section label */
    .slide-label {
      display: block;
      margin-bottom: 16px;
      font-size: 10px;
      letter-spacing: 0.28em;
      text-transform: uppercase;
      color: var(--accent);
    }

    .deck-hint {
      margin: -4px 0 24px;
      font-size: 0.7rem;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: rgba(95, 101, 95, 0.72);
    }

    .xplain {
      position: relative;
      cursor: help;
    }

    .xplain:focus-visible {
      outline: 1px solid rgba(240,77,47,0.38);
      outline-offset: 4px;
      border-radius: 8px;
    }

    /* Citation superscripts */
sup.cite, span.cite {
      font-size: 9px;
      letter-spacing: 0.08em;
      color: var(--accent);
      cursor: pointer;
      vertical-align: super;
      line-height: 0;
      opacity: 0.65;
      font-weight: 400;
      padding: 0 1px;
      margin-left: 0.08em;
      display: inline-block;
      transition: opacity 0.15s;
      font-style: normal;
    }
    sup.cite::before, span.cite::before { content: "["; }
    sup.cite::after, span.cite::after { content: "]"; }
    sup.cite:hover, span.cite:hover { opacity: 1; }
    sup.cite:focus-visible, span.cite:focus-visible {
      opacity: 1;
      outline: 1px solid rgba(240,77,47,0.45);
      outline-offset: 2px;
      border-radius: 3px;
    }

    .cite-popup,
    .explain-popup {
      position: fixed;
      left: 0;
      top: 0;
      z-index: 120;
      width: min(420px, calc(100vw - 24px));
      max-height: min(72vh, 520px);
      overflow-y: auto;
      overscroll-behavior: contain;
      padding: 14px 16px;
      border: 1px solid rgba(240,77,47,0.28);
      border-radius: 10px;
      background: rgba(12,12,12,0.96);
      box-shadow: 0 20px 48px rgba(0,0,0,0.34);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
    }

    .cite-popup[hidden],
    .explain-popup[hidden] { display: none; }

    .cite-popup__list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .cite-popup__item {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .cite-popup__item + .cite-popup__item {
      padding-top: 12px;
      border-top: 1px solid rgba(255,255,255,0.08);
    }

    .cite-popup__num {
      font-size: 9px;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      color: var(--accent);
    }

    .cite-popup__txt {
      font-size: 0.78rem;
      line-height: 1.65;
      color: rgba(242,242,242,0.82);
    }

    .cite-popup[data-pos="bottom"]::before,
    .cite-popup[data-pos="top"]::before,
    .explain-popup[data-pos="bottom"]::before,
    .explain-popup[data-pos="top"]::before {
      content: "";
      position: absolute;
      left: var(--tip-left, 24px);
      width: 10px;
      height: 10px;
      background: rgba(12,12,12,0.96);
      border-left: 1px solid rgba(240,77,47,0.28);
      border-top: 1px solid rgba(240,77,47,0.28);
      transform: rotate(45deg);
    }

    .cite-popup[data-pos="top"]::before,
    .explain-popup[data-pos="top"]::before { bottom: -6px; }

    .cite-popup[data-pos="bottom"]::before,
    .explain-popup[data-pos="bottom"]::before { top: -6px; }

    /* ═══════════════════════════════════════════════════════════════════════
       ABSTRACT SLIDE
       ══════════════════════════════════════════════════════════════════════ */

    .abstract-heading {
      display: block;
      font-size: 10px;
      letter-spacing: 0.36em;
      text-transform: uppercase;
      color: var(--accent);
      margin-bottom: 36px;
    }

    .abstract-text {
      font-size: clamp(0.9rem, 1.35vw, 1.08rem);
      line-height: 1.9;
      color: var(--muted-d);
      max-width: 72ch;
      letter-spacing: 0.01em;
    }

    /* ═══════════════════════════════════════════════════════════════════════
       DATA GRID — Science + Mechanism slides
       ══════════════════════════════════════════════════════════════════════ */

    .data-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 0;
    }

    .data-item {
      padding-right: 36px;
      border-right: 1px solid var(--line-d);
      opacity: 0;
      transform: translateY(18px);
      transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
    }
    .data-item:nth-child(3n+2) { padding: 0 36px; }
    .data-item:nth-child(3n)   { border-right: none; padding-left: 36px; padding-right: 0; }
    .data-item:nth-child(n+4)  { border-top: 1px solid var(--line-d); padding-top: 36px; margin-top: 36px; }

    .slide.active .data-item             { opacity: 1; transform: translateY(0); }
    .slide.active .data-item:nth-child(1){ transition-delay: 0.10s; }
    .slide.active .data-item:nth-child(2){ transition-delay: 0.18s; }
    .slide.active .data-item:nth-child(3){ transition-delay: 0.26s; }
    .slide.active .data-item:nth-child(4){ transition-delay: 0.34s; }
    .slide.active .data-item:nth-child(5){ transition-delay: 0.42s; }
    .slide.active .data-item:nth-child(6){ transition-delay: 0.50s; }

    .data-stat {
      font-size: clamp(1.6rem, 3vw, 2.6rem);
      font-weight: 300;
      letter-spacing: -0.06em;
      line-height: 1;
      color: var(--accent);
      margin-bottom: 14px;
    }

    .data-desc {
      font-size: 0.82rem;
      line-height: 1.7;
      color: var(--muted-d);
      margin-bottom: 10px;
    }

    .data-source {
      display: block;
      font-size: 9px;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: rgba(16,16,16,0.25);
    }

    /* Dark-slide variants */
    .data-item--dark { border-right-color: var(--line-l); }
    .data-item--dark:nth-child(n+4) { border-top-color: var(--line-l); }
    .data-desc--dark  { color: rgba(242,242,242,0.50) !important; }
    .data-source--dark{ color: rgba(242,242,242,0.20) !important; }

    /* 2-column data-grid override — resets 3-col nth-child rules */
    .data-grid--2col .data-item:nth-child(3n+2) { padding: 0; }
    .data-grid--2col .data-item:nth-child(3n)   { border-right: 1px solid var(--line-d); padding-left: 0; padding-right: 0; }
    .data-grid--2col .data-item:nth-child(2n)   { border-right: none; padding-left: 36px; padding-right: 0; }
    .data-grid--2col .data-item:nth-child(n+3)  { border-top: 1px solid var(--line-d); padding-top: 36px; margin-top: 36px; }
    .data-grid--2col .data-item:nth-child(n+4)  { border-top: none; padding-top: 36px; margin-top: 36px; }
    .data-grid--2col .data-item--dark:nth-child(2n) { border-right-color: transparent; }
    .data-grid--2col .data-item--dark:nth-child(n+3) { border-top-color: var(--line-l); }

    @media print {
      .data-item { opacity:1!important; transform:none!important; }
    }
    @media (max-width:860px) {
      .data-grid { grid-template-columns: 1fr; }
      .data-item, .data-item:nth-child(3n+2), .data-item:nth-child(3n) {
        border-right: none; border-bottom: 1px solid var(--line-d);
        padding: 0 0 28px; margin-top: 0;
      }
      .data-item:nth-child(n+4) { border-top: none; padding-top: 0; margin-top: 0; }
    }

    /* ═══════════════════════════════════════════════════════════════════════
       ROADMAP — timeline rows
       ══════════════════════════════════════════════════════════════════════ */

    .roadmap {
      display: flex;
      flex-direction: column;
      border-top: 1px solid var(--line-d);
    }

    .road-row {
      display: grid;
      grid-template-columns: 110px 1fr;
      gap: 32px;
      padding: 15px 0;
      border-bottom: 1px solid var(--line-d);
      align-items: start;
      opacity: 0;
      transform: translateY(10px);
      transition: opacity 0.38s var(--ease-out), transform 0.38s var(--ease-out);
    }
    .slide.active .road-row             { opacity: 1; transform: translateY(0); }
    .slide.active .road-row:nth-child(1){ transition-delay: 0.08s; }
    .slide.active .road-row:nth-child(2){ transition-delay: 0.14s; }
    .slide.active .road-row:nth-child(3){ transition-delay: 0.20s; }
    .slide.active .road-row:nth-child(4){ transition-delay: 0.26s; }
    .slide.active .road-row:nth-child(5){ transition-delay: 0.32s; }
    .slide.active .road-row:nth-child(6){ transition-delay: 0.38s; }

    .road-row--target .road-year  { color: var(--accent); }
    .road-row--target .road-title { color: var(--accent); }

    .road-year {
      font-size: 11px;
      letter-spacing: 0.14em;
      color: var(--muted-d);
      padding-top: 2px;
      font-variant-numeric: tabular-nums;
      white-space: nowrap;
    }

    .road-event { display: flex; flex-direction: column; gap: 3px; }

    .road-title {
      font-size: 0.9rem;
      font-weight: 500;
      letter-spacing: -0.01em;
    }

    .road-desc {
      font-size: 0.82rem;
      line-height: 1.65;
      color: var(--muted-d);
    }

    @media print {
      .road-row { opacity:1!important; transform:none!important; }
    }

    /* Two-column grid */
    .slide-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: clamp(40px, 6vw, 96px);
      align-items: start;
    }


    /* ═══════════════════════════════════════════════════════════════════════
       SLIDE 01 — COVER
       ══════════════════════════════════════════════════════════════════════ */

    /* Animated noise grain overlay on cover */
    .cover-grain {
      position: absolute;
      inset: 0;
      pointer-events: none;
      opacity: 0.03;
      background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
      background-size: 256px;
      animation: grain-shift 0.4s steps(1) infinite;
    }
    @keyframes grain-shift {
      0%   { transform: translate(0,0); }
      25%  { transform: translate(-3px, 2px); }
      50%  { transform: translate(2px, -3px); }
      75%  { transform: translate(3px, 1px); }
      100% { transform: translate(-1px, -2px); }
    }

    /* Red accent bar on cover */
    .cover-bar {
      position: absolute;
      left: 0; top: 0;
      width: 4px; height: 100%;
      background: var(--accent);
      opacity: 0.6;
    }

    .cover-eyebrow {
      display: block;
      margin-bottom: 20px;
      font-size: 11px;
      letter-spacing: 0.34em;
      text-transform: uppercase;
      color: rgba(255,255,255,0.35);
    }

    .cover-mark {
      font-size: clamp(8rem, 20vw, 19rem);
      font-weight: 300;
      letter-spacing: -0.1em;
      line-height: 0.84;
      color: #fff;
    }

    .cover-mark span { color: var(--accent); }

    .cover-tagline {
      margin-top: 32px;
      font-size: clamp(1.1rem, 2vw, 1.6rem);
      font-weight: 300;
      letter-spacing: -0.03em;
      color: rgba(255,255,255,0.55);
    }

    .cover-meta {
      margin-top: 48px;
      display: flex;
      gap: 32px;
      font-size: 11px;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      color: rgba(255,255,255,0.25);
    }

    .cover-meta span { border-left: 1px solid rgba(255,255,255,0.1); padding-left: 16px; }
    .cover-meta span:first-child { border: none; padding: 0; }

    .cover-cta {
      margin-top: 56px;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 12px;
      letter-spacing: 0.24em;
      text-transform: uppercase;
      color: rgba(255,255,255,0.5);
      border-bottom: 1px solid rgba(255,255,255,0.15);
      padding-bottom: 6px;
      transition: color 0.15s, border-color 0.15s;
      cursor: pointer;
    }
    .cover-cta:hover { color: #fff; border-color: rgba(255,255,255,0.4); }


    /* ═══════════════════════════════════════════════════════════════════════
       SLIDE 02 — PROBLEM
       ══════════════════════════════════════════════════════════════════════ */

    .problem-headline {
      font-size: clamp(2rem, 4.5vw, 4.2rem);
      font-weight: 300;
      letter-spacing: -0.06em;
      line-height: 1.0;
      max-width: 18ch;
      margin-bottom: 28px;
    }

    .slide-body {
      font-size: clamp(0.95rem, 1.3vw, 1.1rem);
      line-height: 1.72;
      color: var(--muted-d);
      max-width: 46ch;
    }

    .body-stack {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }

    .body-stack .slide-body,
    .body-stack .market-intro {
      margin-bottom: 0;
    }

    .stat-group {
      display: flex;
      flex-direction: column;
      gap: 0;
      border-top: 1px solid var(--line-d);
    }

    .stat-row {
      display: flex;
      align-items: baseline;
      justify-content: space-between;
      padding: 20px 0;
      border-bottom: 1px solid var(--line-d);
      opacity: 0;
      transform: translateX(20px);
      filter: blur(4px);
      transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out), filter 0.6s var(--ease-out);
    }
    .slide.active .stat-row { opacity: 1; transform: translateX(0); filter: blur(0); }
    .slide.active .stat-row:nth-child(1) { transition-delay: 0.3s; }
    .slide.active .stat-row:nth-child(2) { transition-delay: 0.42s; }
    .slide.active .stat-row:nth-child(3) { transition-delay: 0.54s; }

    .stat-num {
      font-size: clamp(2rem, 4vw, 3.6rem);
      font-weight: 300;
      letter-spacing: -0.06em;
      color: var(--accent);
    }

    .stat-label {
      font-size: 11px;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: var(--muted-d);
      text-align: right;
      max-width: 18ch;
      line-height: 1.5;
    }


    /* ═══════════════════════════════════════════════════════════════════════
       SLIDE 03 — THESIS
       ══════════════════════════════════════════════════════════════════════ */

    .thesis-quote {
      font-size: clamp(2.2rem, 5vw, 5rem);
      font-weight: 300;
      letter-spacing: -0.07em;
      line-height: 1.0;
      margin-bottom: 40px;
      max-width: 22ch;
      font-style: normal;
    }

    .thesis-body {
      font-size: clamp(1rem, 1.4vw, 1.15rem);
      line-height: 1.72;
      color: var(--muted-d);
      max-width: 52ch;
      padding-left: 32px;
      border-left: 2px solid var(--accent);
    }

    .thesis-comparables {
      margin-top: 36px;
      font-size: 11px;
      letter-spacing: 0.16em;
      text-transform: uppercase;
      color: rgba(16,16,16,0.28);
    }


    /* ═══════════════════════════════════════════════════════════════════════
       SLIDE 04 — PRODUCT (MINO)
       ══════════════════════════════════════════════════════════════════════ */

    .product-wrap {
      display: flex;
      align-items: flex-start;
      gap: clamp(48px, 8vw, 120px);
    }

    .product-left { flex: 1; }
    .product-right { flex: 1; padding-top: 8px; }

    .product-mark {
      font-size: clamp(7rem, 18vw, 17rem);
      font-weight: 300;
      letter-spacing: -0.1em;
      line-height: 0.84;
      color: var(--accent);
      margin-bottom: 0;
    }

    .product-tagline {
      margin-top: 20px;
      font-size: clamp(1rem, 1.6vw, 1.3rem);
      font-weight: 300;
      letter-spacing: -0.02em;
      color: var(--muted-d);
    }

    .product-body {
      font-size: clamp(0.92rem, 1.2vw, 1.05rem);
      line-height: 1.75;
      color: var(--muted-d);
      margin-bottom: 28px;
    }

    .product-traits {
      list-style: none;
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 32px;
    }

    .product-traits li {
      padding: 5px 12px;
      border: 1px solid var(--line-d);
      border-radius: 2px;
      font-size: 11px;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: var(--muted-d);
    }

    .product-link {
      display: inline-block;
      font-size: 12px;
      letter-spacing: 0.24em;
      text-transform: uppercase;
      color: var(--accent);
      border-bottom: 1px solid rgba(240,77,47,0.3);
      padding-bottom: 4px;
      transition: border-color 0.15s;
    }
    .product-link:hover { border-color: var(--accent); }


    /* ═══════════════════════════════════════════════════════════════════════
       SLIDE 05 — HOW IT WORKS
       ══════════════════════════════════════════════════════════════════════ */

.how-headline {
  font-size: clamp(1.8rem, 3.5vw, 3.2rem);
  font-weight: 300;
  letter-spacing: -0.06em;
  line-height: 1.05;
  margin-bottom: 56px;
}

.slide[data-idx="19"] .how-headline {
  margin-bottom: 34px;
}

.ref-grid {
  gap: 0 18px;
}

.ref-grid .ref-row {
  padding: 7px 0 !important;
}

.ref-grid .ref-row span:first-child {
  font-size: 8px !important;
}

.ref-grid .ref-row span:last-child {
  font-size: 0.75rem !important;
  line-height: 1.48 !important;
}

    .steps {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 0;
    }

    .step {
      padding-right: 40px;
      border-right: 1px solid var(--line-d);
      padding-left: 0;
      opacity: 0;
      transform: translateY(24px) scale(0.98);
      filter: blur(4px);
      transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out), filter 0.6s var(--ease-out);
    }
    .step:last-child { border-right: none; padding-left: 40px; padding-right: 0; }
    .step:nth-child(2) { padding: 0 40px; }
    .slide.active .step { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); }
    .slide.active .step:nth-child(1) { transition-delay: 0.2s; }
    .slide.active .step:nth-child(2) { transition-delay: 0.34s; }
    .slide.active .step:nth-child(3) { transition-delay: 0.48s; }

    .step-roman {
      display: block;
      font-size: clamp(2.5rem, 5vw, 4.5rem);
      font-weight: 300;
      letter-spacing: -0.06em;
      color: var(--accent);
      line-height: 1;
      margin-bottom: 20px;
    }

    .step-title {
      font-size: 1.1rem;
      font-weight: 500;
      letter-spacing: -0.02em;
      margin-bottom: 14px;
    }

    .step-body {
      font-size: 0.92rem;
      line-height: 1.7;
      color: var(--muted-d);
    }


    /* ═══════════════════════════════════════════════════════════════════════
       SLIDE 06 — MARKET
       ══════════════════════════════════════════════════════════════════════ */

    .market-intro {
      font-size: clamp(1.02rem, 1.6vw, 1.28rem);
      font-weight: 300;
      color: rgba(255,255,255,0.52);
      max-width: 50ch;
      line-height: 1.62;
      margin-bottom: 56px;
    }

    .body-stack--market {
      max-width: 56ch;
      margin-bottom: 44px;
    }

    .market-intro--sub {
      font-size: 0.98rem;
      color: rgba(255,255,255,0.34);
      letter-spacing: 0.01em;
    }

    .market-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 0;
      margin-bottom: 48px;
    }

    .market-col {
      padding-right: 40px;
      border-right: 1px solid var(--line-l);
      opacity: 0;
      transform: translateY(24px) scale(0.98);
      filter: blur(4px);
      transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out), filter 0.6s var(--ease-out);
    }
    .market-col:last-child { border-right: none; padding-right: 0; padding-left: 40px; }
    .market-col:nth-child(2) { padding: 0 40px; }
    .slide.active .market-col { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); }
    .slide.active .market-col:nth-child(1) { transition-delay: 0.18s; }
    .slide.active .market-col:nth-child(2) { transition-delay: 0.30s; }
    .slide.active .market-col:nth-child(3) { transition-delay: 0.42s; }

    .market-tag {
      display: block;
      font-size: 9px;
      letter-spacing: 0.4em;
      text-transform: uppercase;
      color: var(--accent);
      margin-bottom: 12px;
    }

    .market-num {
      display: block;
      font-size: clamp(2.4rem, 5.5vw, 5rem);
      font-weight: 300;
      letter-spacing: -0.07em;
      line-height: 1;
      color: #fff;
      margin-bottom: 10px;
    }

    .market-desc {
      font-size: 0.88rem;
      letter-spacing: 0.01em;
      text-transform: none;
      color: rgba(255,255,255,0.52);
      line-height: 1.68;
    }

    .market-comp {
      font-size: 0.82rem;
      letter-spacing: 0.01em;
      color: rgba(255,255,255,0.34);
      border-top: 1px solid var(--line-l);
      padding-top: 24px;
      max-width: 58ch;
    }


    /* ═══════════════════════════════════════════════════════════════════════
       SLIDE 07 — BUSINESS MODEL
       ══════════════════════════════════════════════════════════════════════ */

    .biz-headline {
      font-size: clamp(1.8rem, 3.5vw, 3.2rem);
      font-weight: 300;
      letter-spacing: -0.06em;
      line-height: 1.05;
      margin-bottom: 48px;
    }

    .biz-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 0;
    }

    .biz-col {
      padding-right: 28px;
      border-right: 1px solid var(--line-d);
      opacity: 0;
      transform: translateY(24px) scale(0.98);
      filter: blur(4px);
      transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out), filter 0.6s var(--ease-out);
    }
    .biz-col:last-child { border-right: none; padding-right: 0; padding-left: 28px; }
    .biz-col:nth-child(2),
    .biz-col:nth-child(3) { padding: 0 28px; }
    .slide.active .biz-col { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); }
    .slide.active .biz-col:nth-child(1) { transition-delay: 0.15s; }
    .slide.active .biz-col:nth-child(2) { transition-delay: 0.25s; }
    .slide.active .biz-col:nth-child(3) { transition-delay: 0.35s; }
    .slide.active .biz-col:nth-child(4) { transition-delay: 0.45s; }

    .biz-stream {
      display: block;
      font-size: 10px;
      letter-spacing: 0.28em;
      text-transform: uppercase;
      color: var(--accent);
      margin-bottom: 14px;
    }

    .biz-val {
      display: block;
      font-size: clamp(1.4rem, 2.5vw, 2.2rem);
      font-weight: 300;
      letter-spacing: -0.04em;
      line-height: 1.1;
      margin-bottom: 12px;
    }

    .biz-desc {
      font-size: 11px;
      line-height: 1.6;
      color: var(--muted-d);
      letter-spacing: 0.02em;
    }


    /* ═══════════════════════════════════════════════════════════════════════
       SLIDE 08 — THE ASK
       ══════════════════════════════════════════════════════════════════════ */

    .ask-amount {
      font-size: clamp(4rem, 11vw, 10rem);
      font-weight: 300;
      letter-spacing: -0.08em;
      line-height: 0.88;
      color: var(--accent);
      margin-bottom: 8px;
    }

    .ask-type {
      font-size: 11px;
      letter-spacing: 0.3em;
      text-transform: uppercase;
      color: var(--muted-d);
      margin-bottom: 32px;
    }

    .ask-body {
      font-size: clamp(0.92rem, 1.2vw, 1.05rem);
      line-height: 1.72;
      color: var(--muted-d);
      max-width: 38ch;
    }

    .ask-meta {
      margin-top: 28px;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .ask-meta-row {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 12px;
      color: var(--muted-d);
    }

    .ask-meta-dot {
      width: 5px; height: 5px;
      border-radius: 50%;
      background: var(--accent);
      flex-shrink: 0;
    }

    /* Use of funds bars */
    .funds {
      display: flex;
      flex-direction: column;
      gap: 0;
      border-top: 1px solid var(--line-d);
    }

    .fund-row {
      display: grid;
      grid-template-columns: 1fr auto;
      align-items: center;
      gap: 20px;
      padding: 16px 0;
      border-bottom: 1px solid var(--line-d);
    }

    .fund-info { display: flex; flex-direction: column; gap: 8px; }

    .fund-name {
      font-size: 12px;
      letter-spacing: 0.1em;
      text-transform: uppercase;
    }

    .fund-track {
      height: 2px;
      background: var(--line-d);
      border-radius: 1px;
      overflow: hidden;
    }

    .fund-fill {
      height: 100%;
      background: var(--accent);
      border-radius: 1px;
      width: 0;
      transition: width 1s var(--ease-out);
    }
    .slide.active .fund-fill { width: var(--pct); }

    .fund-pct {
      font-size: clamp(1.4rem, 2.5vw, 2rem);
      font-weight: 300;
      letter-spacing: -0.05em;
      color: var(--muted-d);
    }


    /* ═══════════════════════════════════════════════════════════════════════
       SLIDE 09 — CLOSE
       ══════════════════════════════════════════════════════════════════════ */

    .close-question {
      font-size: clamp(2.8rem, 7.4vw, 7rem);
      font-weight: 300;
      letter-spacing: -0.08em;
      line-height: 0.94;
      color: #fff;
      margin-bottom: 34px;
      max-width: 12ch;
      text-wrap: balance;
    }

    .close-shell {
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      min-height: 100%;
      max-width: min(980px, 88vw);
      padding-bottom: 42px;
    }

    .close-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px 18px;
      margin-bottom: 42px;
    }

    .close-cta {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 13px;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      color: var(--accent);
      border-bottom: 1px solid rgba(240,77,47,0.3);
      padding-bottom: 6px;
      transition: border-color 0.15s;
    }
    .close-cta:hover { border-color: var(--accent); }

    .close-cta--minor {
      font-size: 11px;
      opacity: 0.62;
    }

    .close-footer {
      display: flex;
      flex-direction: column;
      gap: 6px;
      max-width: 48ch;
    }

    .close-footer span {
      font-size: 11px;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: rgba(255,255,255,0.22);
    }

    .close-footer-note {
      margin-top: 8px;
      color: rgba(255,255,255,0.16) !important;
    }

    body[data-slide="slide-21"] .chrome {
      background: transparent;
      backdrop-filter: none;
      -webkit-backdrop-filter: none;
    }


    /* ── Photo integration ───────────────────────────────────────────────── */

    /* Make slide-inner sit above photo layers */
    .slide-inner { position: relative; z-index: 2; }

    /* Cover grain / bar must also sit above photos */
    .cover-grain { z-index: 1; }
    .cover-bar   { z-index: 1; }

    /* Photo container (full-bleed or half-panel) */
    .slide-photo {
      position: absolute;
      z-index: 0;
      pointer-events: none;
      overflow: hidden;
    }

    .slide-photo--bg   { inset: 0; }
    .slide-photo--right{ right: 0; top: 0; bottom: 0; width: 44%; }
    .slide-photo--left { left: 0;  top: 0; bottom: 0; width: 44%; }

    .slide-photo img {
      display: block;
      width: 100%; height: 100%;
      object-fit: cover;
      object-position: center;
      /* Entrance animation — triggered when slide becomes active */
      opacity: 0;
      transform: scale(1.06);
      transition: opacity 1.0s cubic-bezier(0.16, 1, 0.3, 1),
                  transform 1.6s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .slide.active .slide-photo img {
      opacity: 1;
      transform: scale(1);
    }

    .slide-photo-overlay {
      position: absolute;
      inset: 0;
    }


    /* ── Touch swipe hint ─────────────────────────────────────────────────── */
    /* ── Custom DNA cursor on close slide ───────────────────────────────── */
    .cursor-dna, .cursor-dna * {
      cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='32' height='32' viewBox='0 0 32 32'%3E%3Cpath d='M10 2 Q16 8 22 14 Q16 20 10 26' stroke='%23f04d2f' stroke-width='1.5' fill='none'/%3E%3Cpath d='M22 2 Q16 8 10 14 Q16 20 22 26' stroke='%23f04d2f' stroke-width='1.5' fill='none' opacity='0.6'/%3E%3Cline x1='10' y1='8' x2='22' y2='10' stroke='%23f04d2f' stroke-width='1' opacity='0.5'/%3E%3Cline x1='10' y1='14' x2='22' y2='14' stroke='%23f04d2f' stroke-width='1' opacity='0.5'/%3E%3Cline x1='10' y1='20' x2='22' y2='18' stroke='%23f04d2f' stroke-width='1' opacity='0.5'/%3E%3C/svg%3E") 16 16, crosshair !important;
    }

    /* ── Print ───────────────────────────────────────────────────────────── */
    @media print {
      html, body { overflow:visible!important; height:auto!important; }
      .slides { height:auto!important; overflow:visible!important; scroll-snap-type:none!important; }
      .slide { height:auto!important; min-height:100vh; page-break-after:always; break-after:page; scroll-snap-align:none!important; display:block!important; padding:64px 96px; }
      .slide-inner { opacity:1!important; transform:none!important; filter:none!important; padding:0!important; }
      .slide--dark { background:#fff!important; color:#101010!important; }
      .slide-photo, .chrome, .progress, .arrows, .swipe-hint, #gene-counter, #countdown { display:none!important; }
      .stat-row,.road-row,.reg-row,.step,.data-item,.why-item { opacity:1!important; transform:none!important; }
      @page { margin:0; size:A4 landscape; }
    }

    @media (pointer: coarse) {
      .arrows { display: none; }
      .swipe-hint {
        position: fixed;
        bottom: 24px;
        left: 50%;
        transform: translateX(-50%);
        font-size: 10px;
        letter-spacing: 0.22em;
        text-transform: uppercase;
        color: rgba(255,255,255,0.2);
        z-index: 50;
      }
    }
    @media (pointer: fine) { .swipe-hint { display: none; } }

    /* ── Responsive ───────────────────────────────────────────────────────── */
    @media (max-width: 860px) {
      .slide-grid,
      .steps,
      .market-grid,
      .biz-grid    { grid-template-columns: 1fr !important; gap: 32px !important; }

      .step, .market-col, .biz-col {
        border-right: none; border-bottom: 1px solid var(--line-d);
        padding: 0 0 28px; margin-bottom: 0;
      }
      .step:last-child, .market-col:last-child, .biz-col:last-child {
        border-bottom: none; padding: 0;
      }
      .step:nth-child(2), .market-col:nth-child(2),
      .biz-col:nth-child(2), .biz-col:nth-child(3) { padding: 0 0 28px; }

      .product-wrap { flex-direction: column; gap: 24px; }
      .chrome { padding: 0 20px; }
      .slide-inner { padding: 80px 24px 64px; }
      .cover-meta {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px 18px;
      }
      .cover-meta span {
        border: none;
        padding: 0;
      }
      .product-mark { font-size: clamp(4.8rem, 24vw, 9rem); }
      .product-traits { margin-bottom: 24px; }
      .slide-photo--right,
      .slide-photo--left { display: none; }
      .moat-grid { grid-template-columns: 1fr !important; gap: 32px !important; }
    }

    @media (max-width: 560px) {
      .chrome { height: 56px; }
      .chrome-brand { font-size: 1.2rem; }
      .chrome-counter,
      .chrome-portfolio,
      .chrome-xtc,
      .cover-eyebrow { letter-spacing: 0.16em; }
      .cover-mark {
        font-size: clamp(4.8rem, 28vw, 7rem);
        line-height: 0.88;
      }
      .cover-tagline { font-size: 1rem; }
      .close-footer span { letter-spacing: 0.12em; }
      .cite-popup {
        width: calc(100vw - 20px);
        padding: 12px 14px;
      }
    }

    body { cursor: auto; }
    .custom-cursor {
      display: none;
      position: fixed; top: 0; left: 0;
      width: 12px; height: 12px;
      border: 1px solid var(--accent);
      border-radius: 50%;
      pointer-events: none;
      z-index: 9999;
      transform: translate(-50%, -50%);
      transition: width 0.2s, height 0.2s, background 0.2s;
    }
    .custom-cursor.hovering {
      width: 32px; height: 32px;
      background: rgba(240, 77, 47, 0.1);
    }
    .char-scramble {
      display: inline-block;
      font-family: inherit;
    }

    /* ═══════════════════════════════════════════════════════════════════════
       COMPETITIVE POSITIONING — comp table
       ══════════════════════════════════════════════════════════════════════ */

    .comp-table {
      display: flex;
      flex-direction: column;
      border-top: 1px solid var(--line-d);
      margin-top: 40px;
    }

    .comp-row {
      display: grid;
      grid-template-columns: 210px repeat(3, 1fr);
      padding: 16px 0;
      border-bottom: 1px solid var(--line-d);
      align-items: center;
      opacity: 0;
      transform: translateY(8px);
      transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out);
    }
    .comp-row--head {
      opacity: 1 !important;
      transform: none !important;
      padding-bottom: 12px;
    }
    .slide.active .comp-row             { opacity: 1; transform: translateY(0); }
    .slide.active .comp-row:nth-child(2){ transition-delay: 0.08s; }
    .slide.active .comp-row:nth-child(3){ transition-delay: 0.15s; }
    .slide.active .comp-row:nth-child(4){ transition-delay: 0.22s; }
    .slide.active .comp-row:nth-child(5){ transition-delay: 0.29s; }
    .slide.active .comp-row:nth-child(6){ transition-delay: 0.36s; }

    .comp-co   { display: flex; flex-direction: column; gap: 3px; }
    .comp-name { font-size: 0.9rem; font-weight: 500; letter-spacing: -0.01em; }
    .comp-val  { font-size: 9px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted-d); }

    .comp-head-cell {
      font-size: 9px;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      color: var(--muted-d);
      text-align: center;
    }
    .comp-cell { text-align: center; font-size: 0.9rem; }
    .comp-yes  { color: var(--accent); }
    .comp-no   { color: rgba(16,16,16,0.18); }
    .comp-row--us .comp-name { color: var(--accent); }

    @media print {
      .comp-row { opacity:1!important; transform:none!important; }
    }
    @media (max-width: 860px) {
      .comp-row { grid-template-columns: 1fr repeat(3, 40px); }
    }

    /* ═══════════════════════════════════════════════════════════════════════
       TRACTION — two-col split with reg-table rows
       ══════════════════════════════════════════════════════════════════════ */

    .tract-label {
      font-size: 9px;
      letter-spacing: 0.28em;
      text-transform: uppercase;
      color: var(--accent);
      margin-bottom: 20px;
      display: block;
    }

    .tract-item {
      padding: 18px 0;
      border-bottom: 1px solid var(--line-d);
      opacity: 0;
      transform: translateY(10px);
      transition: opacity 0.45s var(--ease-out), transform 0.45s var(--ease-out);
    }
    .tract-item:first-of-type { border-top: 1px solid var(--line-d); }
    .slide.active .tract-item              { opacity: 1; transform: translateY(0); }
    .slide.active .tract-item:nth-child(1) { transition-delay: 0.10s; }
    .slide.active .tract-item:nth-child(2) { transition-delay: 0.18s; }
    .slide.active .tract-item:nth-child(3) { transition-delay: 0.26s; }
    .slide.active .tract-item:nth-child(4) { transition-delay: 0.34s; }

    .tract-title {
      font-size: 0.88rem;
      font-weight: 500;
      letter-spacing: -0.01em;
      margin-bottom: 4px;
    }
    .tract-body {
      font-size: 0.82rem;
      line-height: 1.65;
      color: var(--muted-d);
    }

    @media print {
      .tract-item { opacity:1!important; transform:none!important; }
    }

    /* ═══════════════════════════════════════════════════════════════════════
       THE MOAT — 2-col moat grid (dark slide)
       ══════════════════════════════════════════════════════════════════════ */

    .moat-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px 80px;
    }

    .moat-item {
      opacity: 0;
      transform: translateY(20px);
      transition: opacity 0.55s var(--ease-out), transform 0.55s var(--ease-out);
    }
    .slide.active .moat-item             { opacity: 1; transform: translateY(0); }
    .slide.active .moat-item:nth-child(1){ transition-delay: 0.12s; }
    .slide.active .moat-item:nth-child(2){ transition-delay: 0.22s; }
    .slide.active .moat-item:nth-child(3){ transition-delay: 0.32s; }
    .slide.active .moat-item:nth-child(4){ transition-delay: 0.42s; }

    .moat-label {
      display: block;
      font-size: 10px;
      letter-spacing: 0.28em;
      text-transform: uppercase;
      color: var(--accent);
      margin-bottom: 14px;
    }

    .moat-desc {
      font-size: 0.88rem;
      line-height: 1.68;
      color: rgba(242,242,242,0.50);
      letter-spacing: 0.01em;
    }

    /* ═══════════════════════════════════════════════════════════════════════
       RISKS & MITIGATIONS — reg-table (light slide)
       ══════════════════════════════════════════════════════════════════════ */

    .reg-table {
      display: flex;
      flex-direction: column;
      border-top: 1px solid var(--line-d);
    }

    .reg-row {
      display: grid;
      grid-template-columns: 176px 1fr;
      gap: 32px;
      padding: 22px 0;
      border-bottom: 1px solid var(--line-d);
      align-items: start;
      opacity: 0;
      transform: translateY(14px);
      transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
    }
    .slide.active .reg-row             { opacity: 1; transform: translateY(0); }
    .slide.active .reg-row:nth-child(1){ transition-delay: 0.10s; }
    .slide.active .reg-row:nth-child(2){ transition-delay: 0.20s; }
    .slide.active .reg-row:nth-child(3){ transition-delay: 0.30s; }
    .slide.active .reg-row:nth-child(4){ transition-delay: 0.40s; }
    .slide.active .reg-row:nth-child(5){ transition-delay: 0.50s; }

    .reg-key {
      font-size: 10px;
      letter-spacing: 0.24em;
      text-transform: uppercase;
      color: var(--accent);
      padding-top: 3px;
      flex-shrink: 0;
    }

    .reg-val {
      font-size: 0.88rem;
      line-height: 1.7;
      color: var(--muted-d);
      letter-spacing: 0.01em;
    }

    .founder-sheet {
      display: flex;
      flex-direction: column;
      gap: 22px;
    }

    .founder-item {
      padding-top: 2px;
    }

    .founder-key,
    .founder-role-kicker {
      font-size: 9px;
      letter-spacing: 0.26em;
      text-transform: uppercase;
      margin-bottom: 10px;
    }

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

    .founder-copy,
    .founder-role-copy {
      font-size: 0.86rem;
      line-height: 1.72;
      color: var(--muted-d);
      max-width: 40ch;
    }

    .founder-roles {
      border-top: 1px solid var(--line-d);
    }

    .founder-role {
      padding: 24px 0;
      border-bottom: 1px solid var(--line-d);
    }

    .founder-role-kicker {
      color: var(--muted-d);
    }

    .founder-role--open .founder-role-kicker {
      color: var(--accent);
    }

    /* Print overrides for new classes */
    @media print {
      .moat-item, .reg-row { opacity:1!important; transform:none!important; }
    }

    /* Mobile overrides for new classes */
    @media (max-width: 860px) {
      .moat-grid { grid-template-columns: 1fr; gap: 32px; }
      .reg-row   { grid-template-columns: 1fr; gap: 8px; }
      .body-stack--market { margin-bottom: 32px; }
      .market-comp { max-width: none; }
      .founder-copy,
      .founder-role-copy { max-width: none; }
    }

    /* ═══════════════════════════════════════════════════════════════════════
       ABX DECK REBUILD
       ══════════════════════════════════════════════════════════════════════ */

    .slide--hero {
      background: var(--bg-dark);
    }

    .slide--paper {
      background:
        radial-gradient(
          circle at top right,
          rgba(240, 77, 47, 0.04),
          transparent 32%
        ),
        var(--bg-light);
      color: var(--text-dark);
    }

    .slide--ink {
      background:
        radial-gradient(
          circle at top left,
          rgba(240, 77, 47, 0.08),
          transparent 26%
        ),
        linear-gradient(180deg, #171412 0%, #0f0d0c 100%);
      color: var(--text-light);
    }

    .slide--proof,
    .slide--compare,
    .slide--timeline,
    .slide--team,
    .slide--risk {
      align-items: flex-start;
    }

    .how-headline {
      font-size: clamp(2rem, 4.6vw, 4.2rem);
      font-weight: 300;
      letter-spacing: -0.07em;
      line-height: 0.98;
      margin-bottom: 40px;
      max-width: 12ch;
    }

    .deck-headline--ink {
      color: var(--text-light);
    }

    .proof-shell,
    .compare-shell,
    .sequence-shell {
      display: flex;
      flex-direction: column;
      gap: 22px;
    }

    .proof-head,
    .compare-intro,
    .sequence-head {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
      gap: clamp(24px, 4vw, 56px);
      align-items: end;
    }

    .proof-head .how-headline,
    .compare-intro .how-headline,
    .sequence-head .how-headline {
      margin-bottom: 0;
    }

    .proof-copy-block {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .proof-summary,
    .compare-summary,
    .sequence-summary {
      max-width: 36ch;
      font-size: 0.98rem;
      line-height: 1.72;
      color: var(--muted-l);
    }

    .proof-summary--paper,
    .sequence-summary--paper,
    .slide--paper .compare-summary {
      color: var(--muted-d);
    }

    .proof-takeaway,
    .proof-cites {
      max-width: 42ch;
      font-size: 0.82rem;
      line-height: 1.62;
      letter-spacing: 0.16em;
      text-transform: uppercase;
      color: rgba(20, 17, 15, 0.46);
    }

    .proof-takeaway {
      padding-top: 16px;
      border-top: 1px solid var(--line-d);
    }

    .proof-takeaway--ink,
    .proof-cites--ink {
      border-top-color: var(--line-l);
      color: rgba(247, 241, 231, 0.52);
    }

    .proof-cites {
      margin-top: 2px;
    }

    .proof-rail,
    .compare-table {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .proof-row,
    .metric-card,
    .proof-list,
    .sequence-step,
    .compare-table-row {
      border-radius: 18px;
      border: 1px solid var(--line-l);
      background: rgba(255, 255, 255, 0.02);
      box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
    }

    .slide--paper .proof-row,
    .slide--paper .metric-card,
    .slide--paper .proof-list,
    .slide--paper .sequence-step,
    .slide--paper .compare-table-row {
      border-color: var(--line-d);
      background: rgba(255, 255, 255, 0.74);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      box-shadow: none;
    }

    .proof-row {
      display: grid;
      grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.18fr)
        minmax(220px, 0.86fr);
      gap: 18px;
      align-items: start;
      padding: 18px 20px;
    }

    .proof-row-head {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .proof-row-rank,
    .compare-kicker,
    .metric-kicker,
    .sequence-kicker,
    .proof-list-head {
      font-size: 9px;
      letter-spacing: 0.24em;
      text-transform: uppercase;
      color: var(--accent);
    }

    .proof-row-title,
    .metric-title,
    .compare-title,
    .sequence-title {
      font-size: 1.08rem;
      font-weight: 500;
      letter-spacing: -0.03em;
      line-height: 1.15;
    }

    .proof-row-copy,
    .metric-copy,
    .sequence-copy,
    .compare-cell {
      font-size: 0.9rem;
      line-height: 1.68;
      color: var(--muted-l);
    }

    .slide--paper .proof-row-copy,
    .slide--paper .metric-copy,
    .slide--paper .sequence-copy,
    .slide--paper .compare-cell {
      color: var(--muted-d);
    }

    .proof-row-side {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .proof-row-meta,
    .sequence-meta {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      padding-top: 12px;
      border-top: 1px solid var(--line-l);
      font-size: 10px;
      letter-spacing: 0.16em;
      text-transform: uppercase;
      color: var(--muted-l);
    }

    .slide--paper .proof-row-meta,
    .sequence-meta--paper {
      border-top-color: var(--line-d);
      color: var(--muted-d);
    }

    .proof-row-meta span:first-child,
    .sequence-meta span:first-child {
      color: var(--accent);
    }

    .metric-stage {
      display: grid;
      grid-template-columns: minmax(0, 1.12fr) minmax(280px, 0.88fr);
      gap: 12px;
    }

    .metric-card {
      display: flex;
      flex-direction: column;
      gap: 14px;
      padding: 22px 20px;
    }

    .metric-card--hero {
      min-height: 278px;
      justify-content: flex-end;
    }

    .metric-stack {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .metric-stat,
    .sequence-value {
      font-size: clamp(2.4rem, 4vw, 4.2rem);
      font-weight: 300;
      letter-spacing: -0.07em;
      line-height: 0.92;
      color: var(--text-dark);
    }

    .metric-stat--minor {
      font-size: clamp(2rem, 3.6vw, 3.2rem);
    }

    .compare-table-head,
    .compare-table-row {
      display: grid;
      grid-template-columns: minmax(0, 0.95fr) 1fr 1fr;
      gap: 20px;
      align-items: start;
    }

    .compare-table-head {
      padding: 0 20px 4px;
      font-size: 9px;
      letter-spacing: 0.24em;
      text-transform: uppercase;
      color: rgba(20, 17, 15, 0.4);
    }

    .compare-table-row {
      padding: 18px 20px;
    }

    .compare-table-row--focus {
      border-color: rgba(240, 77, 47, 0.42);
      background: rgba(240, 77, 47, 0.08);
    }

    .compare-table-row--focus .compare-cell--gap::before {
      content: "Edge";
    }

    .compare-cell--company {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .compare-cell--proves::before,
    .compare-cell--gap::before {
      display: block;
      margin-bottom: 8px;
      font-size: 9px;
      letter-spacing: 0.24em;
      text-transform: uppercase;
      color: var(--accent);
    }

    .compare-cell--proves::before {
      content: "Proves";
    }

    .compare-cell--gap::before {
      content: "Does Not Own";
    }

    .sequence-flow {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
    }

    .sequence-flow--four {
      grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .sequence-flow--timeline {
      grid-template-columns: repeat(5, minmax(0, 1fr));
    }

    .sequence-step {
      display: flex;
      flex-direction: column;
      gap: 12px;
      min-height: 212px;
      padding: 20px 18px;
      border-top: 3px solid rgba(240, 77, 47, 0.68);
    }

    .sequence-copy--paper {
      color: var(--muted-d);
    }

    .sequence-shell--ink .sequence-step {
      min-height: 196px;
    }

    .proof-board {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
    }

    .proof-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
      padding: 20px;
    }

    .proof-list-items {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 0;
    }

    .proof-list-item {
      padding: 14px 0;
      border-top: 1px solid var(--line-d);
      font-size: 0.9rem;
      line-height: 1.68;
      color: var(--muted-d);
    }

    .proof-list-item:first-child {
      border-top: none;
      padding-top: 0;
    }

    .proof-list-item strong {
      display: block;
      margin-bottom: 6px;
      color: var(--text-dark);
      font-weight: 500;
      letter-spacing: -0.02em;
    }

    @media (max-height: 860px) {
      .slide-inner {
        padding-top: 64px;
        padding-bottom: 36px;
      }

      .slide--compare .slide-inner,
      .slide--proof .slide-inner,
      .slide--team .slide-inner,
      .slide--risk .slide-inner,
      .slide--close .slide-inner {
        padding-top: 56px;
        padding-bottom: 28px;
      }

      .slide--compare .how-headline,
      .slide--proof .how-headline,
      .slide--team .how-headline,
      .slide--risk .how-headline {
        font-size: clamp(1.9rem, 4vw, 3.5rem);
        margin-bottom: 24px;
      }

      .proof-head,
      .compare-intro,
      .sequence-head {
        gap: 18px;
      }

      .proof-row,
      .compare-table-row {
        gap: 14px;
        padding: 14px 16px;
      }

      .proof-row-copy,
      .metric-copy,
      .sequence-copy,
      .compare-cell,
      .proof-list-item {
        font-size: 0.84rem;
        line-height: 1.56;
      }

      .metric-card,
      .proof-list,
      .sequence-step {
        padding: 16px 18px;
      }

      .metric-card--hero,
      .sequence-step {
        min-height: 0;
      }

      .proof-takeaway,
      .proof-cites {
        padding-top: 14px;
        font-size: 0.76rem;
      }

      .slide--close .close-shell {
        max-width: min(860px, 84vw);
        padding-bottom: 26px;
      }

      .slide--close .close-question {
        font-size: clamp(2.5rem, 6.4vw, 5.4rem);
        margin-bottom: 24px;
      }

      .slide--close .close-actions {
        margin-bottom: 28px;
      }

      .slide--close .close-footer span {
        font-size: 10px;
        letter-spacing: 0.16em;
      }
    }

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

      .cover-grain {
        animation: none;
      }

      .slide-inner,
      .slide-photo img,
      .step,
      .market-col,
      .biz-col,
      .stat-row,
      .comp-row,
      .tract-item,
      .moat-item,
      .road-row,
      .reg-row,
      .data-item,
      .entry-card,
      .proof-card,
      .proof-row,
      .metric-card,
      .compare-table-row,
      .sequence-step,
      .proof-list {
        opacity: 1 !important;
        transform: none !important;
        filter: none !important;
        transition: none !important;
        animation: none !important;
      }
    }

    @media (max-width: 980px) {
      .proof-head,
      .compare-intro,
      .sequence-head,
      .metric-stage {
        grid-template-columns: 1fr;
      }

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

      .proof-row,
      .compare-table-head,
      .compare-table-row,
      .sequence-flow,
      .sequence-flow--timeline,
      .proof-board {
        grid-template-columns: 1fr;
      }

      .proof-summary,
      .compare-summary,
      .sequence-summary {
        max-width: none;
      }
    }

    @media (max-width: 680px) {
      .metric-stack {
        grid-template-columns: 1fr;
      }

      .proof-row-meta,
      .sequence-meta {
        flex-direction: column;
      }

      .compare-table-head {
        display: none;
      }

      .compare-cell--proves::before,
      .compare-cell--gap::before {
        margin-top: 4px;
      }
    }