/* ── Tokens ──────────────────────────────────────────────────────────── */
    :root {
      --bg-light:   #f0efeb;
      --bg-dark:    #0a0c0a;
      --bg-mid:     #111610;
      --text-dark:  #0e110e;
      --text-light: #f0f2ee;
      --muted-d:    rgba(14,17,14,0.58);
      --muted-l:    rgba(240,242,238,0.58);
      --accent:     #2e7d52;
      --accent-bright: #3fa06a;
      --line-d:     rgba(14,17,14,0.10);
      --line-l:     rgba(240,242,238,0.12);
      --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;
    }

    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;
    }

    .chrome-brand {
      font-size: 1.15rem;
      font-weight: 400;
      letter-spacing: 0.04em;
      text-transform: uppercase;
      color: var(--accent-bright);
      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-tag {
      font-size: 11px;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      color: rgba(255,255,255,0.25);
      pointer-events: auto;
      transition: color 0.15s ease;
    }
    .chrome-tag:hover { color: var(--accent-bright); }
    .chrome-tag.on-light { color: rgba(0,0,0,0.28); }
    .chrome-tag.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(255,255,255,0.15);
      transition: background 0.3s ease, height 0.3s var(--ease-out);
      pointer-events: auto;
      cursor: pointer;
    }
    .progress-dot.active {
      background: var(--accent-bright);
      height: 28px;
    }
    .progress-dot.on-light        { background: rgba(0,0,0,0.14); }
    .progress-dot.on-light.active { background: var(--accent); }


    /* ── Arrow nav ───────────────────────────────────────────────────────── */
    .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;
    }
    .arrow-btn:hover {
      border-color: var(--accent-bright);
      color: var(--accent-bright);
    }
    .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 proximity;
      scroll-behavior: smooth;
      scrollbar-width: none;
    }
    .slides::-webkit-scrollbar { display: none; }


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

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

    /* Animated content wrapper */
    .slide-inner {
      width: min(1480px, 100%);
      min-height: 100vh;
      height: auto;
      margin: 0 auto;
      padding: 112px clamp(30px, 4.8vw, 88px) 48px;
      display: flex;
      flex-direction: column;
      justify-content: flex-start;
      opacity: 0;
      transform: translateY(22px);
      transition: opacity 0.72s var(--ease-out), transform 0.72s var(--ease-out);
    }
    .slide.active .slide-inner { opacity: 1; transform: translateY(0); }

    .slide[data-idx="0"] .slide-inner,
    .slide[data-idx="9"] .slide-inner {
      justify-content: center;
    }

    .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-inner > *:nth-child(7) { transition-delay: 0.50s; }

    .slide-num { display: none; }

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

    .deck-hint {
      margin: -4px 0 24px;
      font-size: 0.7rem;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: rgba(79, 110, 87, 0.78);
    }

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

    .xplain:focus-visible {
      outline: 1px solid rgba(46,125,82,0.38);
      outline-offset: 4px;
      border-radius: 8px;
    }

    sup.cite, span.cite {
      font-size: 9px;
      letter-spacing: 0.08em;
      color: var(--accent);
      cursor: pointer;
      vertical-align: super;
      line-height: 0;
      opacity: 0.68;
      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(46,125,82,0.45);
      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(46,125,82,0.28);
      border-radius: 10px;
      background: rgba(10,12,10,0.96);
      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-bright);
    }

    .cite-popup__txt {
      font-size: 0.78rem;
      line-height: 1.65;
      color: rgba(240,242,238,0.82);
    }

    .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(10,12,10,0.96);
      border-left: 1px solid rgba(46,125,82,0.28);
      border-top: 1px solid rgba(46,125,82,0.28);
      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; }

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

    .intro-split {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.95fr);
      gap: clamp(22px, 3vw, 48px);
      align-items: start;
      margin-bottom: 24px;
    }

    .intro-split > * {
      min-width: 0;
    }

    .slide-body {
      font-size: clamp(1rem, 1.25vw, 1.12rem);
      line-height: 1.68;
      color: var(--muted-d);
      max-width: 48ch;
    }
    .slide--dark  .slide-body,
    .slide--mid   .slide-body { color: var(--muted-l); }

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

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


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

    .cover-grain {
      position: absolute;
      inset: 0;
      pointer-events: none;
      opacity: 0.025;
      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 0.4s steps(1) infinite;
    }
    @keyframes grain {
      0%   { transform: translate(0,0); }
      25%  { transform: translate(-3px, 2px); }
      50%  { transform: translate(2px, -3px); }
      75%  { transform: translate(3px, 1px); }
    }

    /* Vertical accent bar */
    .cover-bar {
      position: absolute;
      left: 0; top: 0;
      width: 3px; height: 100%;
      background: var(--accent);
      opacity: 0.7;
    }

    /* Soft radial glow */
    .cover-glow {
      position: absolute;
      inset: 0;
      pointer-events: none;
      background: radial-gradient(ellipse 60% 70% at 72% 50%, rgba(46,125,82,0.10) 0%, transparent 70%);
    }

    .cover-eyebrow {
      display: block;
      margin-bottom: 20px;
      font-size: 11px;
      letter-spacing: 0.36em;
      text-transform: uppercase;
      color: rgba(255,255,255,0.28);
    }

    .cover-mark {
      font-size: clamp(6rem, 17vw, 16rem);
      font-weight: 300;
      letter-spacing: -0.06em;
      line-height: 0.88;
      color: #fff;
    }

    .cover-mark em {
      font-style: normal;
      color: var(--accent-bright);
    }

    .cover-tagline {
      margin-top: 36px;
      font-size: clamp(1rem, 1.8vw, 1.45rem);
      font-weight: 300;
      letter-spacing: -0.02em;
      color: rgba(255,255,255,0.45);
      max-width: 32ch;
    }

    .cover-meta {
      margin-top: 52px;
      display: flex;
      gap: 0;
      font-size: 11px;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      color: rgba(255,255,255,0.22);
    }
    .cover-meta span {
      border-left: 1px solid rgba(255,255,255,0.1);
      padding: 0 20px;
    }
    .cover-meta span:first-child { border: none; padding-left: 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(255,255,255,0.42);
      border-bottom: 1px solid rgba(255,255,255,0.12);
      padding-bottom: 6px;
      transition: color 0.15s, border-color 0.15s;
      cursor: pointer;
    }
    .cover-cta:hover { color: #fff; border-color: rgba(255,255,255,0.35); }


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

    .problem-headline {
      font-size: clamp(2rem, 4.2vw, 3.8rem);
      font-weight: 300;
      letter-spacing: -0.06em;
      line-height: 1.04;
      max-width: 15ch;
      margin-bottom: 20px;
    }

    .stat-row {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2px;
      margin-top: 52px;
    }

    .stat-box {
      padding: 28px 24px;
      border-top: 1px solid var(--line-d);
    }

    .stat-num {
      display: block;
      font-size: clamp(2.4rem, 4vw, 3.8rem);
      font-weight: 300;
      letter-spacing: -0.07em;
      line-height: 1;
      color: var(--text-dark);
      margin-bottom: 10px;
    }

    .stat-label {
      font-size: 11px;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: var(--muted-d);
      line-height: 1.5;
    }


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

    .thesis-mark {
      font-size: clamp(2.3rem, 4.8vw, 4.5rem);
      font-weight: 300;
      letter-spacing: -0.08em;
      line-height: 1.02;
      max-width: 14ch;
      margin-bottom: 22px;
    }

    .thesis-mark em {
      font-style: normal;
      color: var(--accent-bright);
    }

    .thesis-pillars {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2px;
      margin-top: 36px;
    }

    .pillar {
      padding: 28px 0 28px;
      border-top: 1px solid rgba(240,242,238,0.10);
    }

    .pillar-num {
      display: block;
      font-size: 10px;
      letter-spacing: 0.32em;
      color: var(--accent-bright);
      margin-bottom: 14px;
    }

    .pillar-title {
      font-size: 1.05rem;
      font-weight: 400;
      letter-spacing: -0.03em;
      margin-bottom: 10px;
      color: rgba(240,242,238,0.88);
    }

    .pillar-body {
      font-size: 0.88rem;
      line-height: 1.72;
      color: rgba(240,242,238,0.38);
    }


    /* ═══════════════════════════════════════════════════════════════════════
       SLIDE 04 — PRODUCT
       ══════════════════════════════════════════════════════════════════════ */

    .product-headline {
      font-size: clamp(1.9rem, 3.5vw, 3.1rem);
      font-weight: 300;
      letter-spacing: -0.06em;
      line-height: 1.08;
      max-width: 12ch;
      margin-bottom: 0;
    }

    .product-sub {
      font-size: clamp(0.95rem, 1.15vw, 1.02rem);
      letter-spacing: 0.01em;
      color: var(--muted-d);
      margin-bottom: 0;
      max-width: 44ch;
      line-height: 1.64;
    }

    .product-frame {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 2px;
      margin-bottom: 24px;
    }

    .frame-item {
      padding: 16px 18px 18px;
      background: rgba(14,17,14,0.035);
      border-top: 1px solid var(--line-d);
    }

    .frame-label {
      display: block;
      margin-bottom: 10px;
      font-size: 9px;
      letter-spacing: 0.28em;
      text-transform: uppercase;
      color: var(--accent);
    }

    .frame-copy {
      font-size: 0.82rem;
      line-height: 1.62;
      color: var(--muted-d);
      max-width: 28ch;
    }

    /* Macro panel */
    .macro-panel {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 2px;
      margin-bottom: 24px;
    }

    .macro-cell {
      padding: 24px 20px;
      background: rgba(14,17,14,0.05);
      border-radius: 2px;
    }

    .macro-val {
      display: block;
      font-size: clamp(2rem, 3.5vw, 3.2rem);
      font-weight: 300;
      letter-spacing: -0.07em;
      line-height: 1;
      color: var(--text-dark);
      margin-bottom: 8px;
    }
    .macro-val span { font-size: 0.45em; letter-spacing: 0; opacity: 0.5; }

    .macro-key {
      font-size: 10px;
      letter-spacing: 0.26em;
      text-transform: uppercase;
      color: var(--muted-d);
    }

    /* Ingredient list */
    .ingredient-list {
      display: flex;
      flex-direction: column;
      gap: 0;
      border-top: 1px solid var(--line-d);
    }

    .ingredient-row {
      display: grid;
      grid-template-columns: 1fr auto;
      align-items: center;
      padding: 12px 0;
      border-bottom: 1px solid var(--line-d);
      gap: 14px;
    }

    .ing-name {
      font-size: 0.9rem;
      font-weight: 400;
      letter-spacing: -0.01em;
      color: var(--text-dark);
    }

    .ing-role {
      font-size: 10px;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      color: var(--muted-d);
    }

    .ing-badge {
      font-size: 10px;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      padding: 4px 10px;
      border-radius: 2px;
      background: rgba(46,125,82,0.10);
      color: var(--accent);
    }


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

    .how-headline {
      font-size: clamp(1.95rem, 3.6vw, 3.3rem);
      font-weight: 300;
      letter-spacing: -0.06em;
      line-height: 1.04;
      margin-bottom: 24px;
      max-width: 15ch;
    }

    .process-steps {
      display: flex;
      flex-direction: column;
      gap: 0;
    }

    .process-step {
      display: grid;
      grid-template-columns: 160px minmax(0, 1fr);
      gap: 28px;
      padding: 20px 0;
      border-top: 1px solid rgba(14,17,14,0.08);
      align-items: start;
    }

    .step-num-wrap {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .step-index {
      font-size: 10px;
      letter-spacing: 0.32em;
      color: var(--accent);
      text-transform: uppercase;
    }

    .step-word {
      font-size: clamp(1.6rem, 2.8vw, 2.4rem);
      font-weight: 300;
      letter-spacing: -0.06em;
      color: var(--text-dark);
      line-height: 1;
    }

    .step-detail {
      padding-top: 4px;
    }

    .step-title {
      font-size: 1rem;
      font-weight: 500;
      letter-spacing: -0.02em;
      color: var(--text-dark);
      margin-bottom: 8px;
    }

    .step-body {
      font-size: 0.88rem;
      line-height: 1.76;
      color: var(--muted-d);
      max-width: 52ch;
    }


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

    .market-headline {
      font-size: clamp(2rem, 4vw, 3.5rem);
      font-weight: 300;
      letter-spacing: -0.06em;
      line-height: 1.03;
      margin-bottom: 0;
      max-width: 11ch;
    }

    .market-bands {
      display: flex;
      flex-direction: column;
      gap: 2px;
      margin-top: 20px;
    }

    .intro-split--market .slide-body {
      max-width: 42ch;
      margin-left: 0;
    }

    .body-stack--market {
      max-width: 44ch;
    }

    .market-bridge {
      margin-top: 8px;
      max-width: 52ch;
      font-size: 0.88rem;
      line-height: 1.62;
      color: rgba(240,242,238,0.44);
    }

    .market-band {
      display: grid;
      grid-template-columns: 92px 1fr minmax(132px, auto);
      align-items: center;
      gap: 18px;
      padding: 14px 0;
      border-top: 1px solid rgba(240,242,238,0.08);
    }

    .band-label {
      font-size: 10px;
      letter-spacing: 0.28em;
      text-transform: uppercase;
      color: var(--accent-bright);
    }

    .band-bar-wrap {
      height: 3px;
      background: rgba(255,255,255,0.08);
      border-radius: 2px;
      overflow: hidden;
    }

    .band-fill {
      height: 100%;
      background: var(--accent-bright);
      border-radius: 2px;
      width: 0;
      transition: width 1s var(--ease-out);
    }

    .slide.active .band-fill { width: var(--pct); }

    .band-val {
      font-size: clamp(1.2rem, 2vw, 1.86rem);
      font-weight: 300;
      letter-spacing: -0.06em;
      color: #fff;
      white-space: normal;
      line-height: 1.08;
      text-align: right;
      max-width: 14ch;
    }

    .band-desc {
      grid-column: 2 / 4;
      font-size: 0.78rem;
      letter-spacing: 0.02em;
      color: rgba(240,242,238,0.36);
      margin-top: -2px;
      line-height: 1.56;
    }


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

    .biz-headline {
      font-size: clamp(1.95rem, 3.6vw, 3.2rem);
      font-weight: 300;
      letter-spacing: -0.06em;
      line-height: 1.04;
      margin-bottom: 0;
      max-width: 11ch;
    }

    .biz-sub {
      max-width: 40ch;
      margin-left: 0;
    }

    .revenue-streams {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 2px;
    }

    .stream-card {
      padding: 18px 18px 20px;
      border-top: 2px solid transparent;
      border-image: linear-gradient(90deg, var(--accent) 0%, transparent 100%) 1;
      background: rgba(14,17,14,0.04);
    }

    .stream-index {
      font-size: 10px;
      letter-spacing: 0.32em;
      text-transform: uppercase;
      color: var(--accent);
      margin-bottom: 12px;
      display: block;
    }

    .stream-title {
      font-size: 1.1rem;
      font-weight: 500;
      letter-spacing: -0.03em;
      color: var(--text-dark);
      margin-bottom: 10px;
    }

    .stream-body {
      font-size: 0.82rem;
      line-height: 1.58;
      color: var(--muted-d);
    }

    .stream-callout {
      margin-top: 14px;
      font-size: 10px;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: var(--accent);
    }


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

    .ask-eyebrow {
      display: block;
      font-size: 11px;
      letter-spacing: 0.36em;
      text-transform: uppercase;
      color: rgba(255,255,255,0.28);
      margin-bottom: 24px;
    }

    .ask-intro {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(320px, 0.85fr);
      gap: clamp(28px, 4vw, 80px);
      align-items: end;
      margin-bottom: 28px;
    }

    .ask-heading {
      min-width: 0;
    }

    .ask-details {
      display: block;
    }

    .ask-amount {
      font-size: clamp(3.8rem, 10vw, 8.2rem);
      font-weight: 300;
      letter-spacing: -0.08em;
      line-height: 0.94;
      color: #fff;
      margin-bottom: 8px;
    }

    .ask-amount em {
      font-style: normal;
      color: var(--accent-bright);
    }

    .ask-round {
      font-size: clamp(0.96rem, 1.35vw, 1.12rem);
      font-weight: 300;
      letter-spacing: -0.02em;
      color: rgba(255,255,255,0.38);
      margin-bottom: 0;
      max-width: 44ch;
      line-height: 1.6;
    }

    .use-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2px;
      margin-top: 8px;
    }

    .use-item {
      padding: 18px 0;
      border-top: 1px solid rgba(255,255,255,0.10);
    }

    .use-pct {
      display: block;
      font-size: clamp(2rem, 3.5vw, 3rem);
      font-weight: 300;
      letter-spacing: -0.07em;
      color: var(--accent-bright);
      margin-bottom: 10px;
    }

    .use-label {
      font-size: 10px;
      letter-spacing: 0.26em;
      text-transform: uppercase;
      color: rgba(255,255,255,0.36);
      line-height: 1.5;
    }

    .ask-note {
      margin-top: 24px;
      font-size: 0.8rem;
      letter-spacing: 0.01em;
      color: rgba(255,255,255,0.28);
      line-height: 1.56;
      max-width: 52ch;
    }

    .sources-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 0 24px;
      margin-top: 18px;
    }

    .source-card {
      padding: 16px 0;
      border-top: 1px solid var(--line-d);
    }

    .source-tag {
      display: block;
      font-size: 10px;
      letter-spacing: 0.28em;
      text-transform: uppercase;
      color: var(--accent);
      margin-bottom: 12px;
    }

    .source-body {
      font-size: 0.82rem;
      line-height: 1.56;
      color: var(--muted-d);
      max-width: 38ch;
    }

    @media (min-width: 1100px) {
      .slide-inner {
        width: min(1520px, 100%);
      }

      .intro-split {
        grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
      }

      .ingredient-list {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0 28px;
        border-top: none;
      }

      .ingredient-row {
        min-width: 0;
      }

      .ingredient-row:last-child {
        grid-column: 1 / -1;
      }

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

      .process-steps {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 24px;
        align-items: start;
      }

      .process-step {
        grid-template-columns: 1fr;
        gap: 12px;
        padding: 18px 0 0;
      }

      .step-body,
      .source-body {
        max-width: none;
      }

      .ask-details {
        display: grid;
        grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.85fr);
        gap: 24px;
        align-items: start;
      }

      .use-grid {
        margin-top: 0;
      }

      .ask-note {
        margin-top: 0;
        max-width: 34ch;
      }

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

    @media (max-height: 820px) {
      .slide-inner {
        padding-top: 100px;
        padding-bottom: 36px;
      }

      .cover-mark {
        font-size: clamp(4.6rem, 13vw, 9rem);
      }

      .cover-tagline {
        margin-top: 26px;
        font-size: clamp(0.95rem, 1.45vw, 1.18rem);
        max-width: 28ch;
      }

      .cover-meta {
        margin-top: 26px;
        font-size: 10px;
        letter-spacing: 0.18em;
      }

      .cover-cta {
        margin-top: 32px;
      }

      .problem-headline,
      .thesis-mark,
      .product-headline,
      .how-headline,
      .market-headline,
      .biz-headline {
        margin-bottom: 14px;
      }

      .slide-body,
      .product-sub,
      .ask-round {
        font-size: 0.95rem;
        line-height: 1.54;
      }

      .intro-split,
      .ask-intro {
        margin-bottom: 18px;
      }

      .macro-cell,
      .stream-card {
        padding: 16px;
      }

      .process-step {
        padding: 16px 0;
      }

      .use-item {
        padding: 12px 0;
      }

      .ingredient-row,
      .market-band {
        padding: 10px 0;
      }

      .ask-amount {
        font-size: clamp(3.4rem, 8.4vw, 6.8rem);
      }

      .ask-note,
      .source-body,
      .stream-body,
      .step-body,
      .band-desc {
        font-size: 0.76rem;
        line-height: 1.5;
      }
    }


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

    .close-glow {
      position: absolute;
      inset: 0;
      pointer-events: none;
      background: radial-gradient(ellipse 50% 60% at 50% 50%, rgba(46,125,82,0.12) 0%, transparent 70%);
    }

    .close-bar {
      position: absolute;
      left: 0; top: 0;
      width: 3px; height: 100%;
      background: var(--accent);
      opacity: 0.6;
    }

    .close-mark {
      font-size: clamp(5rem, 14vw, 12rem);
      font-weight: 300;
      letter-spacing: -0.08em;
      line-height: 0.88;
      color: #fff;
      margin-bottom: 32px;
    }

    .close-mark em {
      font-style: normal;
      color: var(--accent-bright);
    }

    .close-doctrine {
      font-size: clamp(1.1rem, 2vw, 1.5rem);
      font-weight: 300;
      letter-spacing: -0.02em;
      color: rgba(255,255,255,0.44);
      max-width: 38ch;
      line-height: 1.55;
      margin-bottom: 56px;
    }

    .close-links {
      display: flex;
      gap: 32px;
      flex-wrap: wrap;
    }

    .close-link {
      font-size: 11px;
      letter-spacing: 0.24em;
      text-transform: uppercase;
      color: rgba(255,255,255,0.28);
      border-bottom: 1px solid rgba(255,255,255,0.1);
      padding-bottom: 4px;
      transition: color 0.15s, border-color 0.15s;
    }
    .close-link:hover { color: var(--accent-bright); border-color: var(--accent-bright); }

    .close-horizon {
      position: absolute;
      bottom: 0; left: 0; right: 0;
      height: 220px;
      pointer-events: none;
      background: linear-gradient(to top, rgba(46,125,82,0.06), transparent);
    }

    @media (max-width: 860px) {
      .chrome {
        height: 56px;
        padding: 0 20px;
      }

      .progress { right: 10px; }
      .arrows {
        right: 20px;
        bottom: 20px;
      }

      .slide-inner {
        width: 100%;
        padding: 104px 24px 72px;
      }

      .intro-split,
      .ask-intro {
        grid-template-columns: 1fr;
        gap: 16px;
      }

      .cover-meta {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px 16px;
        margin-top: 36px;
      }

      .cover-meta span {
        border: none;
        padding: 0;
      }

      .stat-row,
      .product-frame,
      .macro-panel,
      .revenue-streams,
      .use-grid,
      .sources-grid { grid-template-columns: 1fr; }

      .ingredient-row {
        grid-template-columns: 1fr;
        gap: 10px;
      }

      .process-step {
        grid-template-columns: 1fr;
        gap: 16px;
        padding: 24px 0;
      }

      .market-band {
        grid-template-columns: 1fr;
        gap: 12px;
        padding: 18px 0;
      }

      .market-bridge,
      .body-stack--market {
        max-width: none;
      }

      .band-desc {
        grid-column: auto;
        margin-top: 0;
      }

      .band-val {
        max-width: none;
        text-align: left;
      }

      .close-links {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
      }

      .cite-popup {
        width: min(360px, calc(100vw - 20px));
        padding: 12px 14px;
      }
    }

    @media (max-width: 560px) {
      .chrome-counter,
      .chrome-tag,
      .cover-eyebrow { letter-spacing: 0.16em; }

      .cover-mark {
        font-size: clamp(3.2rem, 16vw, 4.1rem);
        letter-spacing: -0.05em;
        line-height: 0.9;
      }

      .cover-tagline {
        margin-top: 24px;
        font-size: 1.02rem;
        max-width: 18ch;
      }

      .cover-meta { grid-template-columns: 1fr 1fr; }
      .ask-amount { font-size: clamp(3.8rem, 22vw, 6rem); }
      .close-mark { font-size: clamp(3.8rem, 18vw, 5.5rem); }
    }