:root {
    --font: 'Quicksand', 'Segoe UI', system-ui, sans-serif;
    --font-head: 'Figtree', 'Segoe UI', system-ui, sans-serif;
    --white: #ffffff;
    --white80: rgba(255,255,255,0.85);
    --white60: rgba(255,255,255,0.65);
    --white40: rgba(255,255,255,0.4);
    --white20: rgba(255,255,255,0.22);
    --white10: rgba(255,255,255,0.1);
    --border-subtle: 1px solid rgba(255,255,255,0.15);
    --dark: #0a0a14;
    --transition: 0.65s cubic-bezier(0.4,0,0.2,1);
    --glass: blur(14px);
    --glass-md: blur(20px);
    --glass-lg: blur(22px);
    --glass-xl: blur(24px);
  }

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

  html, body {
    width: 100%; height: 100%;
    font-family: var(--font);
    overflow: hidden;
    background: var(--dark);
    color: var(--white);
  }

  /* ── Animated backgrounds (real deck gradients) ── */
  .bg {
    position: absolute; inset: 0; z-index: 0;
    overflow: hidden;
  }
  .bg .layer {
    position: absolute; inset: -8%;
    background-size: cover;
    background-position: center;
    will-change: transform;
  }
  .bg .layer.base { animation: bgDrift 22s ease-in-out infinite alternate; }
  .bg .layer.float {
    opacity: 0.55;
    mix-blend-mode: screen;
    transform: scaleX(-1);
    animation: bgDrift2 17s ease-in-out infinite alternate;
  }
  /* PNG refs replaced by CSS blob mesh below */

  @keyframes bgDrift {
    0%   { transform: scale(1)    translate(0, 0); }
    50%  { transform: scale(1.07) translate(1.5%, -1%); }
    100% { transform: scale(1.12) translate(-1.5%, 1.5%); }
  }
  @keyframes bgDrift2 {
    0%   { transform: scaleX(-1) scale(1.05) translate(0, 0); filter: hue-rotate(0deg); }
    100% { transform: scaleX(-1) scale(1.15) translate(2%, 2%); filter: hue-rotate(18deg); }
  }

  /* ── Global background layer ── */
  #bg-layer {
    position: fixed; inset: 0;
    z-index: 0;
    pointer-events: none;
  }
  .bg-state {
    position: absolute; inset: 0;
    overflow: hidden;
    opacity: 0;
    transition: opacity 0.65s cubic-bezier(.42,0,.58,1);
  }
  .bg-state.active { opacity: 1; }

  /* Hide per-slide bg divs — bg-layer handles backgrounds now */
  .slide .bg, .slide .bg-overlay { display: none; }

  /* ── CSS blob mesh system ── */
  .bg-state[data-bg="light"]  { background: #eef0f7; }
  .bg-state[data-bg="blue"]   { background: #1F308C; }
  .bg-state[data-bg="dark02"] { background: #2e1e7a; }
  .bg-state[data-bg="dark03"] { background: #050505; }
  .bg-state[data-bg="light01"] { background: #fef8f8; }
  .bg-state[data-bg="light02"] { background: #D86D69; }

  .mesh {
    position: absolute; inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
  }
  .blob { 
    position: absolute;
    width: 70vw;
    aspect-ratio: 1;
    border-radius: 50%;
    filter: blur(90px);
  }
  .b1 { animation: blobA 20s ease-in-out infinite alternate; }
  .b2 { animation: blobB 14s ease-in-out infinite alternate; }
  .b3 { animation: blobC 10s ease-in-out infinite alternate; }
  .b4 { animation: blobD 17s ease-in-out infinite alternate; }

  @keyframes blobA {
    from { transform: translate(-15%, -10%); }
    to   { transform: translate(22%, 18%); }
  }
  @keyframes blobB {
    from { transform: translate(58%, 5%); }
    to   { transform: translate(12%, 55%); }
  }
  @keyframes blobC {
    from { transform: translate(8%, 52%); }
    to   { transform: translate(48%, 6%); }
  }
  @keyframes blobD {
    from { transform: translate(52%, 50%); }
    to   { transform: translate(4%, 10%); }
  }

  /* blue: índigo · azul · teal */
  [data-bg="blue"] .b1 { background: #2d1485; opacity: .9; }
  [data-bg="blue"] .b2 { background: #3a7bd5; opacity: .9; }
  [data-bg="blue"] .b3 { background: #38d4c0; opacity: .9; }
  [data-bg="blue"] .b4 { background: #4253c8; opacity: .9; }

  /* dark02: malva · teal · azul */
  [data-bg="dark02"] .b1 { background: #8b5cf6; opacity: .9; }
  [data-bg="dark02"] .b2 { background: #2dd4bf; opacity: .9; }
  [data-bg="dark02"] .b3 { background: #3b82f6; opacity: .9; }
  [data-bg="dark02"] .b4 { background: #c084fc; opacity: .9; }

  /* dark03: naranja · magenta · púrpura (foco superior-izq) */
  [data-bg="dark03"] .b1 { background: #d95820; opacity: .85; width: 80vw; }
  [data-bg="dark03"] .b2 { background: #c040be; opacity: .7; }
  [data-bg="dark03"] .b3 { background: #7020a0; opacity: .5; }
  [data-bg="dark03"] .b4 { background: #1a0820; opacity: .9; width: 80vw; }

  @keyframes blobTR-A {
    from { transform: translate(0%, 0%); }
    to   { transform: translate(-10%, 12%); }
  }
  @keyframes blobTR-B {
    from { transform: translate(-8%, 5%); }
    to   { transform: translate(6%, -8%); }
  }
  @keyframes blobTR-C {
    from { transform: translate(-5%, 8%); }
    to   { transform: translate(8%, -5%); }
  }
  @keyframes blobTR-D {
    from { transform: translate(3%, -4%); }
    to   { transform: translate(-8%, 7%); }
  }

  /* light01: foco superior-derecha */
  [data-bg="light01"] .b1 { background: #f9a8d4; opacity: .75; left: 52vw; top: -32vw; animation: blobTR-A 30s ease-in-out infinite alternate; }
  [data-bg="light01"] .b2 { background: #c084fc; opacity: .45; left: 62vw; top: -20vw; animation: blobTR-B 24s ease-in-out infinite alternate; }
  [data-bg="light01"] .b3 { background: #fce7f3; opacity: .65; left: 44vw; top: -18vw; animation: blobTR-C 20s ease-in-out infinite alternate; }
  [data-bg="light01"] .b4 { background: #e0d4ff; opacity: .55; left: 58vw; top: -25vw; animation: blobTR-D 27s ease-in-out infinite alternate; }

  /* light02: naranja · hot pink · púrpura */
  [data-bg="light02"] .b1 { background: #fb923c; opacity: .55; }
  [data-bg="light02"] .b2 { background: #ec4899; opacity: .5; }
  [data-bg="light02"] .b3 { background: #c084fc; opacity: .42; }
  [data-bg="light02"] .b4 { background: #fbbf24; opacity: .38; }

  /* legibility overlay */
  .bg-overlay {
    position: absolute; inset: 0; z-index: 1;
    background: radial-gradient(ellipse at center, rgba(8,8,20,0.30) 0%, rgba(8,8,20,0.55) 10%);
  }
  [data-bg="warm"] .bg-overlay {
    background: radial-gradient(ellipse at center, rgba(20,5,25,0.35) 0%, rgba(20,5,25,0.6) 20%);
  }
  [data-bg="blue"] .bg-overlay { display: none; } 

 
  
  /* ── Photo borders ── */
  [class*="-img"],
  .pd-tile img, .swall-img, .karaoke-img, .tc-img,
  .nonai-item img, .nonai-item-card img,
  .aiexp-tile img, .print-item img,
  .pc-feature img {
    border: var(--border-subtle);
  }

  /* ── Slides ── */
  #deck { position: relative; width: 100%; height: 100%; }

  .slide {
    position: absolute; inset: 0;
    display: flex; flex-direction: column !important;
    justify-content: flex-start; align-items: center;
    z-index: 2;
    opacity: 0;
    pointer-events: none;
    transform: translateY(30px);
    transition: opacity var(--transition), transform var(--transition);
  }
  .slide.active { opacity: 1; pointer-events: all; transform: translateY(0); }
  .slide.exit   { opacity: 0; transform: translateY(-30px); }

  .slide-inner {
    position: relative; z-index: 3;
    max-width: 1800px; margin: 0 auto;
    width: 96%;
    padding: 4%;
    height: 90%;
    text-align: left;
    display: flex;
    flex-direction: column;
  }

  /* Title pinned to top */
  .slide-inner > h1 { flex-shrink: 0; }

  /* Content centered vertically using margin auto */
  .slide-inner > *:not(h1):not([class*="footnote"]) {
    margin-top: auto;
    margin-bottom: auto;
  }

  /* Footnotes pinned to bottom */
  .slide-inner > [class*="footnote"] {
    margin-top: auto;
    margin-bottom: 0;
    flex-shrink: 0;
  }

  /* ── Typography ── */
  .eyebrow {
    font-size: 11px; font-weight: 700; letter-spacing: 0.2em;
    text-transform: uppercase; color: var(--white60);
    margin-bottom: 20px;
  }
  h1, h2, h3, .thanks-big { font-family: var(--font-head); }
  
  h1 { font-size: clamp(1.6rem, 3.2vw, 3rem); font-weight: 300; line-height: 1.1; letter-spacing: -0.02em; }
  h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 300; line-height: 1.15; letter-spacing: -0.02em; }
  h3 { font-size: clamp(1rem, 1.8vw, 1.35rem); font-weight: 300; }
  p  { font-size: clamp(0.95rem, 1.3vw, 1.2rem); line-height: 1.2; color: var(--white80); font-weight: 600; }
  .lead { font-size: clamp(1.05rem, 1.7vw, 1.3rem); color: var(--white80); line-height: 1.4; }

  .accent { color: transparent; background: linear-gradient(135deg, #fff 40%, rgba(255,255,255,0.6)); -webkit-background-clip: text; background-clip: text; }
  .highlight { color: transparent; background: linear-gradient(90deg, #fde68a, #f9a8d4, #93c5fd); -webkit-background-clip: text; background-clip: text; }

  .divider {
    width: 48px; height: 2px;
    background: linear-gradient(90deg, rgba(255,255,255,0.7), rgba(255,255,255,0.2));
    border-radius: 2px;
    margin: 20px auto;
  }

  /* ── Cards / Grid ── */
  .card-grid { display: grid; gap: 14px; margin-top: 32px; }
  .card-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
  .card-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
  .card-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

  .card {
    background: var(--white10);
    border: 1px solid var(--white20);
    backdrop-filter: blur(16px);
    border-radius: 16px;
    padding: 22px 20px;
    text-align: left;
    transition: background 0.2s, transform 0.2s;
  }
  .card:hover { background: rgba(255,255,255,0.16); transform: translateY(-3px); }
  .card h3 { font-size: 1rem; margin-bottom: 8px; }
  .card p  { font-size: 0.84rem; color: var(--white60); line-height: 1.5; }
  .card .icon { font-size: 1.7rem; margin-bottom: 10px; }

  .pill-list { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 26px; }
  .pill {
    background: var(--white10);
    border: 1px solid var(--white20);
    backdrop-filter: blur(10px);
    border-radius: 999px;
    padding: 8px 20px;
    font-size: 0.85rem; font-weight: 500;
    white-space: nowrap;
    transition: background 0.2s;
  }
  .pill:hover { background: rgba(255,255,255,0.18); }

  .two-col {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 40px; text-align: left; margin-top: 32px; align-items: start;
  }

  .stats { display: flex; gap: 48px; justify-content: center; margin-top: 44px; flex-wrap: wrap; }
  .stat .num { font-size: 3rem; font-weight: 800; line-height: 1; }
  .stat .lbl { font-size: 0.78rem; color: var(--white60); margin-top: 6px; text-transform: uppercase; letter-spacing: 0.1em; }

  .yt-wrap {
    max-width: 1280px;
    margin: 0 auto 28px;
    aspect-ratio: 16 / 9;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--white20);
    box-shadow: 0 16px 40px rgba(0,0,0,0.35);
    background: rgba(0,0,0,0.4);
  }
  .yt-wrap iframe { width: 100%; height: 100%; border: 0; display: block; }

  .quote-wrap { max-width: 1280px; margin: 0 auto; text-align: center; }
  .quote-compact {
    max-width: 1280px;
    background-color: rgb(133, 143, 224, 0.14);
    backdrop-filter: var(--glass-xl);
    -webkit-backdrop-filter: var(--glass-xl);
    border-radius: 28px;
    border: var(--border-subtle);
    box-shadow:
      0 24px 60px rgba(10,10,30,0.10),
      0 8px 24px rgba(10,10,30,0.2),
      inset 0 1px 0 rgba(255,255,255,0.1);
    padding: clamp(12px, 1.75vw, 24px) clamp(14px, 2.25vw, 32px);
  }
  .quote-compact blockquote { font-size: clamp(0.85rem, 1.2vw, 1rem); line-height: 1.6; }
  .quote-compact cite { margin-top: 12px; font-size: 0.78rem; }
  .quote-mark { font-size: 5rem; line-height: 0.5; color: var(--white20); font-family: Georgia, serif; margin-bottom: 24px; display: block; }
  blockquote { font-size: clamp(1.1rem, 2vw, 1.4rem); line-height: 1.7; color: var(--white80); }
  cite { display: block; margin-top: 24px; font-size: 0.85rem; color: var(--white60); font-style: normal; letter-spacing: 0.05em; }

  .steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 40px; }
  .step { text-align: center; }
  .step-num {
    width: 48px; height: 48px; border-radius: 50%;
    border: 2px solid var(--white20);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem; font-weight: 700;
    margin: 0 auto 16px;
    background: var(--white10);
    backdrop-filter: blur(8px);
  }
  .step h3 { font-size: 0.95rem; margin-bottom: 8px; }
  .step p  { font-size: 0.8rem; color: var(--white60); line-height: 1.5; }

  .feature-list {
    list-style: none; text-align: left;
    display: grid; grid-template-columns: 1fr 1fr; gap: 10px 32px;
    margin-top: 26px;
  }
  .feature-list li {
    font-size: 0.9rem; color: var(--white80);
    display: flex; align-items: flex-start; gap: 8px;
  }
  .feature-list li::before { content: '→'; color: var(--white40); flex-shrink: 0; }

  .footnote { font-size: 0.72rem; color: var(--white40); margin-top: 24px; }

  .cover-products { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 34px; }
  .cover-tag {
    background: var(--white10);
    border: 1px solid var(--white20);
    backdrop-filter: blur(10px);
    border-radius: 8px;
    padding: 6px 14px;
    font-size: 0.78rem; font-weight: 500;
    color: var(--white80);
  }

  /* video grid (slide 9) */
  .video-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 32px; }
  .video-grid video {
    width: 100%; border-radius: 16px;
    border: 1px solid var(--white20);
    background: rgba(0,0,0,0.4);
    aspect-ratio: 9/16; object-fit: cover;
  }

  .thanks-big { font-size: clamp(4rem, 12vw, 10rem); font-weight: 900; letter-spacing: -0.04em; line-height: 1; }

  /* ── Nav controls ── */
  #nav {
    position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%);
    z-index: 100;
    display: flex; align-items: center; gap: 16px;
  }
  .nav-btn {
    width: 35px; height: 35px; border-radius: 50%;
    background: transparent;
    border: none;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: var(--white);
    font-size: 1.1rem;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: opacity 0.2s, transform 0.15s;
  }
  .nav-btn:hover { opacity: 0.75; transform: scale(1.08); }
  .nav-btn:disabled { opacity: 0.3; cursor: default; transform: none; }

  #counter { font-size: 0.8rem; font-weight: 600; color: var(--white60); min-width: 60px; text-align: center; letter-spacing: 0.05em; }

  #progress {
    position: fixed; top: 0; left: 0; height: 2px;
    background: linear-gradient(90deg, #fde68a, #f9a8d4, #93c5fd);
    z-index: 200;
    transition: width 0.45s cubic-bezier(0.4,0,0.2,1);
  }

  #slide-label { position: fixed; top: 24px; right: 32px; z-index: 100; font-size: 0.75rem; color: var(--white40); letter-spacing: 0.08em; }

  body.light-chrome #btn-index { color: #1a1a2e; }
  #footer-left {
    position: fixed;
    bottom: 20px;
    left: 28px;
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
  }
  #footer-left.visible {
    opacity: 1;
    pointer-events: auto;
  }
  #footer-fee {
    font-size: 0.7rem;
    color: var(--white60);
    letter-spacing: 0.01em;
  }
  body.light-chrome #footer-fee { color: rgba(26,26,46,0.45); }

  #footer-right {
    position: fixed;
    bottom: 20px;
    right: 28px;
    z-index: 100;
    display: flex;
    align-items: center;
    gap: 16px;
  }
  .footer-divider {
    width: 1px;
    height: 32px;
    background: var(--white30);
    flex-shrink: 0;
  }
  #logo { font-size: 1rem; font-weight: 800; letter-spacing: 0.05em; color: var(--white80); }

  #hint {
    position: fixed; bottom: 84px; left: 50%; transform: translateX(-50%);
    font-size: 0.7rem; color: var(--white40);
    pointer-events: none;
    opacity: 1; transition: opacity 1s;
    z-index: 100;
  }

  #sales-rep {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
  }
  #sales-rep .rep-contact {
    display: flex;
    gap: 6px;
  }
  #sales-rep span, #sales-rep a {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--white60);
    letter-spacing: 0.03em;
    line-height: 1.4;
    text-decoration: none;
  }
  #sales-rep a:hover { color: var(--white); text-decoration: underline; }
  #sales-rep .rep-name {
    font-weight: 700;
    color: var(--white80);
    font-size: 0.75rem;
  }
  body.light-chrome #sales-rep span,
  body.light-chrome #sales-rep a { color: rgba(20,20,40,0.5); }
  body.light-chrome #sales-rep a:hover { color: rgba(20,20,40,0.9); }
  body.light-chrome #sales-rep .rep-name { color: rgba(20,20,40,0.75); }

  #dots {
    position: fixed; right: 18px; top: 50%; transform: translateY(-50%);
    z-index: 100;
    display: flex; flex-direction: column; gap: 7px;
  }
  .dot {
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--white20); cursor: pointer;
    transition: background 0.2s, transform 0.2s;
  }
  .dot.active { background: var(--white); transform: scale(1.4); }
  .dot:hover  { background: var(--white60); }

  /* ── Slide 1: Product Directory (light) ── */
  .slide.light { color: #1a1a2e; }

  .pd-header {
    display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 3%;
  }
  .pd-header h1 {
    font-size: clamp(1.6rem, 3.2vw, 3rem);
    font-family: var(--font-head);
    font-weight: 300;
    color: #4a5cf0;
    letter-spacing: -0.01em;
  }
  .pd-header p {
    max-width: 56%;
    line-height: 1.2;
    color: #2a2a3a;
    padding-top: 10px;
  }

  .pd-grid {
    max-width: fit-content;
    display: grid;
    align-items: center;
    justify-content: center;
    grid-template-columns: repeat(7, 1fr);
    gap: clamp(10px, 1.4vw, 40px);
    margin-left: auto;
    margin-right: auto;
  }
  .pd-tile { 
    max-width: 20vh;
    position: relative;
    aspect-ratio: 1;
    border-radius: clamp(14px, 1.8vw, 26px);
    overflow: hidden;
    border: 1px solid #ffffff;
    box-shadow: 0 10px 30px rgba(30,40,90,0.18), 0 2px 8px rgba(30,40,90,0.08);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    cursor: pointer;
  }
  .pd-tile img {
    width: 100%; height: 100%;
    object-fit: cover;
    display: block;
  }
  .pd-tile::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.65) 0%, rgba(0,0,0,0.25) 22%, rgba(0,0,0,0) 45%);
    pointer-events: none;
  }
  .pd-tile .pd-label {
    position: absolute;
    left: 0; right: 0;
    bottom: clamp(8px, 1.2vw, 16px);
    z-index: 2;
    text-align: center;
    font-family: var(--font);
    font-size: clamp(0.8rem, 0.95vw, 1rem);
    font-weight: 800;
    color: #ffffff;
    text-shadow: 0 1px 6px rgba(0,0,0,0.5);
    padding: 0 6px;
  }
  .pd-tile:hover {
    transform: translateY(-5px) scale(1.03);
    box-shadow: 0 16px 36px rgba(30,40,90,0.26), 0 4px 12px rgba(30,40,90,0.1);
    z-index: 5;
  }

  @keyframes tileIn {
    from { opacity: 0; transform: translateY(18px) scale(0.94); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
  }
  
  .slide.light .pd-tile { opacity: 0; }
  .slide.light.active .pd-tile {
    animation: tileIn 0.4s ease both;
  }
  .slide.light.active .pd-tile:nth-child(1)  { animation-delay: 0.06s; }
  .slide.light.active .pd-tile:nth-child(2)  { animation-delay: 0.12s; }
  .slide.light.active .pd-tile:nth-child(3)  { animation-delay: 0.18s; }
  .slide.light.active .pd-tile:nth-child(4)  { animation-delay: 0.24s; }
  .slide.light.active .pd-tile:nth-child(5)  { animation-delay: 0.30s; }
  .slide.light.active .pd-tile:nth-child(6)  { animation-delay: 0.36s; }
  .slide.light.active .pd-tile:nth-child(7)  { animation-delay: 0.42s; }
  .slide.light.active .pd-tile:nth-child(8)  { animation-delay: 0.48s; }
  .slide.light.active .pd-tile:nth-child(9)  { animation-delay: 0.54s; }
  .slide.light.active .pd-tile:nth-child(10) { animation-delay: 0.60s; }
  .slide.light.active .pd-tile:nth-child(11) { animation-delay: 0.66s; }
  .slide.light.active .pd-tile:nth-child(12) { animation-delay: 0.72s; }
  .slide.light.active .pd-tile:nth-child(13) { animation-delay: 0.78s; }
  .slide.light.active .pd-tile:nth-child(14) { animation-delay: 0.84s; }
  .slide.light.active .pd-tile:nth-child(15) { animation-delay: 0.90s; }
  .slide.light.active .pd-tile:nth-child(16) { animation-delay: 0.96s; }
  .slide.light.active .pd-tile:nth-child(17) { animation-delay: 1.02s; }
  .slide.light.active .pd-tile:nth-child(18) { animation-delay: 1.08s; }
  .slide.light.active .pd-tile:nth-child(19) { animation-delay: 1.14s; }
  .slide.light.active .pd-tile:nth-child(20) { animation-delay: 1.20s; }
  .slide.light.active .pd-tile:nth-child(21) { animation-delay: 1.26s; }

  /* ── Slide 3: Who are we (light gradient) ── */
  /* [data-bg="light01"] PNG replaced by CSS blobs */
  .slide.videoslide .slide-inner {
    display: flex; flex-direction: column; align-items: center;
    height: calc(100vh - 36px - 80px);
    width: 100%;
    padding: 3% 3% 1.5%;
    box-sizing: border-box;
  }
  .slide.videoslide .video-container {
    flex: 1; min-height: 0;
    display: flex; flex-direction: column; align-items: center;
    gap: 16px; max-width: 100%;
  }
  .slide.videoslide .yt-wrap {
    flex: 1; min-height: 0;
    aspect-ratio: 16/9; width: auto;
    max-width: 100%; margin: 0; max-width: none;
  }
  .slide.videoslide .yt-wrap iframe {
    width: 100%; height: 100%;
  }
  .slide.videoslide .quote-wrap {
    flex-shrink: 0; align-self: stretch;
    max-width: 1200px; margin: 0;
  }

  .slide.who { color: #2a2a4a; }
  .slide.who .slide-inner {
    position: relative; z-index: 3;
    padding: 2% 3%;
    max-width: 1800px;
    text-align: center;
    max-height: 100vh;
    overflow: hidden;
    text-align: left;
  }
  .who-title {
    font-weight: 300;
    color: #6b79f2;
    margin-bottom: 20px;
  }
  .who-main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(28px, 2vw, 64px);
    align-items: center;
  }
  .who-card {
    max-width: 100%;  
    background-color: rgb(133, 143, 224, 0.14);
    backdrop-filter: var(--glass-md);
    -webkit-backdrop-filter: var(--glass-md);
    border-radius: 24px;
    border: 1px solid rgba(255,255,255,0.6);
    box-shadow: 0 20px 50px rgba(60,60,120,0.18), 0 6px 18px rgba(60,60,120,0.08);
    padding: clamp(24px, 3vw, 44px);
  }
  .who-card p {
    font-size: clamp(0.95rem, 1.35vw, 1.2rem);
    line-height: 1.7;
    color: #2a2a4a;
  }
  .who-card p + p { margin-top: 24px; }
  .who-accent { color: #6b79f2; font-weight: 500; } 
  .who-main { align-items: stretch; }
  .who-photos {
    position: relative;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 10%;
    min-height: 0;
  }
  .who-photo {
    border-radius: 16px;
    display: block;
    width: auto;
    flex-shrink: 0;
  }
  .who-photo-1 {
    height: clamp(200px, 46vh, 300px);
    z-index: 2;
    transform: translateY(-20%);
    border: 2px solid #0F8CB5;
    box-shadow: 0 18px 48px rgba(220, 60, 160, 0.45), 0 6px 20px rgba(0,0,0,0.3);
  }
  .who-photo-2 {
    height: clamp(250px, 56vh, 340px);
    z-index: 1;
    box-shadow: 0 18px 48px rgba(0, 200, 220, 0.35), 0 6px 20px rgba(0,0,0,0.25);
  }
  .who-brands { margin-top: clamp(16px, 2vw, 24px); }
  .who-brands-title {
    font-size: clamp(1.1rem, 1.8vw, 1.5rem);
    font-weight: 500;
    color: #2a2a4a;
    margin-bottom: 16px;
  }
  .who-logos {
    width: 100%;
    display: block;
  }

  /* ── Slide 4: Photo Booths (blue) ── */
  .slide.booths .slide-inner {
    padding: 2% 3%;
    height: 90%;
    padding: 48px 72px;
    text-align: left;
    justify-content: space-between;
    overflow-y: hidden;
  }

  .booths-title {
    font-weight: 300;
    color: var(--white);
    margin-bottom: clamp(24px, 4vw, 64px);
  }
  .booths-grid {
    display: flex;
    flex-direction: row;
    grid-template-columns: repeat(5, 1fr);
    gap: clamp(12px, 1.6vw, 32px);
    align-items: stretch;
    margin-top: 4%;
  }
  .booth-col { display: flex; flex-direction: column; }
  .booth-name {
    font-family: var(--font);
    font-weight: 600;
    color: var(--white);
    margin-bottom: 14px;
    text-align: center;
  }
  .booth-card {
    background: #ffffff;
    border-radius: 18px;
    padding: 0 0 18px;
    overflow: hidden;
    box-shadow: 0 14px 36px rgba(5,10,40,0.3);
    flex: 1;
    display: flex;
    flex-direction: column;
  }
  .booth-card img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    display: block;
  }
  .booth-card ul {
    list-style: none;
    padding: 16px 16px 0;
    text-align: left;
  }
  .booth-card li {
    position: relative;
    padding-left: 14px;
    font-size: clamp(0.78rem, 1.05vw, 1.08rem);
    font-weight: 500;
    line-height: 1.45;
    color: #2a2a4a;
  }
  .booth-card li + li { margin-top: 8px; }
  .booth-card li::before {
    content: '•';
    position: absolute; left: 0;
    color: #2a2a4a;
  }

  /* Stagger entrance for booth columns */
  @keyframes boothIn {
    from { opacity: 0; transform: translateY(28px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  .slide.booths .booth-col { opacity: 0; }
  .slide.booths.active .booth-col {
    animation: boothIn 0.5s cubic-bezier(0.2,0,0.2,1) forwards;
  }
  .slide.booths.active .booth-col:nth-child(1) { animation-delay: 0.05s; }
  .slide.booths.active .booth-col:nth-child(2) { animation-delay: 0.15s; }
  .slide.booths.active .booth-col:nth-child(3) { animation-delay: 0.25s; }
  .slide.booths.active .booth-col:nth-child(4) { animation-delay: 0.35s; }
  .slide.booths.active .booth-col:nth-child(5) { animation-delay: 0.45s; }

  /* ── Slide 32: How it works — stagger animation ── */
  .slide.howit .howit-col { opacity: 0; }
  .slide.howit.active .howit-col {
    animation: boothIn 0.5s cubic-bezier(0.2,0,0.2,1) forwards;
  }
  .slide.howit.active .howit-col:nth-child(1) { animation-delay: 0.05s; }
  .slide.howit.active .howit-col:nth-child(2) { animation-delay: 0.18s; }
  .slide.howit.active .howit-col:nth-child(3) { animation-delay: 0.31s; }
  .slide.howit.active .howit-col:nth-child(4) { animation-delay: 0.44s; }

  /* ── Slide 5: Non AI Experiences (dark gradient) ── */
  /* [data-bg="dark02"] PNG replaced by CSS blobs */
  .nonai-title {
    font-weight: 300;
    color: var(--white);
    margin-bottom: clamp(14px, 2vw, 32px);
  }
  .slide.nonai .slide-inner { max-height: 92vh; }
  .nonai-main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(24px, 3vw, 48px);
    align-items: stretch;
  }
  .nonai-collage {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(16px, 2vw, 28px);
    align-items: start;

  }
  .nonai-item { position: relative; }
  .nonai-item img {
    width: 100%;
    object-fit: contain;
    border-radius: 16px;
    display: block;
    height: auto;
    box-shadow: 0 14px 36px rgba(0,0,10,0.4);
  }

  .nonai-img-1 {}
  .nonai-img-2 { aspect-ratio: 3 / 2; }
  .nonai-img-3 { aspect-ratio: 4 / 3; transform: translateX(20%); }

  .nonai-item-card { 
   position: relative; 
   transform: translateX(-20%);
   transform: translateY(-30%);
   padding: 0 20%;
  }
  .nonai-item-card img { 
    object-fit: contain; 
    height: auto; 
    background: transparent; 
    box-shadow: 0 8px 32px rgba(0,0,0,0.35), 0 2px 8px rgba(0,0,0,0.2); }
  .chip {
    position: absolute;
    z-index: 3;
    background: rgba(100, 100, 100, 0.25);  
    backdrop-filter: var(--glass);
    -webkit-backdrop-filter: var(--glass);
    border: 1px solid rgba(200, 200, 200, 0.15);
    border-radius: 12px;
    padding: 8px 16px;
    font-size: clamp(0.68rem, 0.95vw, 0.9rem);
    font-weight: 500;
    color: var(--white);
    box-shadow: 0 8px 20px rgba(0,0,10,0.25);
    white-space: nowrap;
  } 
  .chip-tl { top: -14px; left: -10px; }
  .chip-tr { top: -14px; right: -10px; }
  .nonai-panel {  
    height: fit-content;
    align-self: start;
    background-color: rgb(78, 85, 139, 0.26);
    backdrop-filter: var(--glass-lg);
    -webkit-backdrop-filter: var(--glass-lg);
    border: var(--border-subtle);
      border-radius: 24px;
    box-shadow: 0 20px 50px rgba(0,0,10,0.3);
    padding: clamp(22px, 2.6vw, 40px) clamp(22px, 2.8vw, 44px);
  }
  .nonai-panel h3 {
    font-family: var(--font);
    font-size: clamp(1.1rem, 1.7vw, 1.5rem);
    font-weight: 600;
    color: var(--white);
    margin-bottom: 18px;
  }
  .nonai-panel ul { list-style: none; }
  .nonai-panel li {
    position: relative;
    padding-left: 18px;
    font-size: clamp(0.8rem, 1.15vw, 1.05rem);
    font-weight: 500;
    line-height: 1.5;
    color: var(--white);
  }
  .nonai-panel li + li { margin-top: 10px; }
  .nonai-panel li::before {
    content: '•';
    position: absolute; left: 0;
    color: var(--white80);
  }
  .nonai-footnote {
    text-align: right;
    font-size: 0.75rem;
    color: var(--white60);
    margin-top: 14px;
  }

  /* ── Slide 6: AI Experiences (light gradient) ── */
  /* [data-bg="light02"] PNG replaced by CSS blobs */
  .aiexp-title {
    font-size: clamp(1.6rem, 3.2vw, 3rem);
    font-weight: 300;
    color: var(--white);
    margin-bottom: clamp(14px, 2vw, 32px);
  }
  .slide.aiexp { color: var(--white); }
  .slide.aiexp .slide-inner { max-height: 92vh; }     
  .aiexp-main {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: clamp(24px, 3vw, 56px);
    align-items: stretch;
  }
  .aiexp-panel {
    height: fit-content;
    background: rgba(78, 85, 139, 0.26);
    backdrop-filter: var(--glass-lg);
    -webkit-backdrop-filter: var(--glass-lg);
    border: var(--border-subtle);
    height: fit-content;
    border-radius: 24px;
    box-shadow: 0 20px 50px rgba(60,30,60,0.18);
    padding: clamp(22px, 2.6vw, 40px) clamp(22px, 2.8vw, 44px);
  }
  .aiexp-panel h3 {
    font-family: var(--font);
    font-size: clamp(1.1rem, 1.7vw, 1.5rem);
    font-weight: 600;
    color: var(--white);
    margin-bottom: 18px;
  }
  .aiexp-panel ul { list-style: none; }
  .aiexp-panel li {
    position: relative;
    padding-left: 18px;
    font-size: clamp(0.8rem, 1.15vw, 1.05rem);
    font-weight: 500;
    line-height: 1.5;
    color: var(--white);
  }
  .aiexp-panel li + li { margin-top: 10px; }
  .aiexp-panel li::before { content: '•'; position: absolute; left: 0; color: var(--white80); }

  .aiexp-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: clamp(28px, 3vw, 48px) clamp(14px, 1.8vw, 28px);
    align-content: center;
  }
  .aiexp-item { position: relative; }
  .aiexp-chip {
    max-width: 86%; 
    top: -24px; left: -16px; right: 18%;
    background: rgba(100, 100, 100, 0.25);  
    padding: 7px 12px;
    font-size: clamp(0.72rem, 0.98vw, 0.94rem);
    line-height: 1.3;
    white-space: normal;
    box-shadow: 0 8px 20px rgba(60,30,60,0.18);
  }
  .aiexp-tile {
    position: relative;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 14px 36px rgba(60,30,60,0.25);
  }
  .aiexp-tile img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    display: block;
  }
  .aiexp-tile::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.2) 22%, rgba(0,0,0,0) 42%);
    pointer-events: none;
  }
  .aiexp-try {
    position: absolute;
    left: 0; right: 0; bottom: 10px;
    text-align: center;
    z-index: 3;
    font-size: clamp(0.68rem, 0.95vw, 0.92rem);
    font-weight: 600;
    color: var(--white);
    text-decoration: none;
    text-shadow: 0 1px 6px rgba(0,0,0,0.5);
  }
  .aiexp-footnote { color: rgba(255,255,255,0.7); }

  /* ── Slide 7: Selfie & Group AI (blue) ── */
  .aigroup-title {
    font-size: clamp(1.6rem, 3.2vw, 3rem);
    font-weight: 300;
    color: var(--white);
    margin-bottom: clamp(14px, 2vw, 32px);
  }
  .slide.aigroup .slide-inner { max-height: 92vh; overflow: hidden; }
  .aigroup-main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(24px, 4vw, 72px);
    align-items: start; 
    height: 90%;
  }
  .aigroup-card {
    background: rgba(78, 85, 139, 0.26);
    backdrop-filter: var(--glass-lg);
    -webkit-backdrop-filter: var(--glass-lg);
    border: var(--border-subtle);
    border-top-color: rgba(255,255,255,0.4);
    border-radius: 24px;
    box-shadow: 0 20px 50px rgba(10,10,30,0.3);
    padding: clamp(22px, 2.8vw, 44px);
  }
  .aigroup-card p {
    font-size: clamp(0.95rem, 1.35vw, 1.3rem);
    line-height: 1.6;
    color: var(--white);
    font-weight: 500;
  }
  .aigroup-card p + p { margin-top: 24px; }
  .aigroup-collage {
    display: grid;
    grid-template-columns: 0.95fr 0.95fr;
    grid-template-rows: 1fr 1fr;
    gap: clamp(16px, 2vw, 28px);
    height: 100%;
  }
  .aigroup-img {
    width: 90%;
    height: 90%;
    border-radius: 16px;
    object-fit: cover;
    display: block;
    box-shadow: 0 14px 36px rgba(0,0,10,0.35);
  }
  .aigroup-collage .img-1 { aspect-ratio: 1/1; width: 80%; height: auto;  margin-left: auto; }
  .aigroup-collage .img-2 { aspect-ratio: 677 / 467; width: 100%; height: auto;}
  .aigroup-collage .img-3 { aspect-ratio: 677 / 467; width: 100%; height: auto;}
  .aigroup-collage .img-4 { aspect-ratio: 677 / 467; width: 100%; height: auto; transform: translateY(-20%);}

  /* ── Slide 8: AI Comic Strip ── */
  .aicomic-img-wrap {
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
  }
  .aicomic-img {
    aspect-ratio: 1 / 1;
    height: clamp(240px, 60vh, 560px);
    width: auto;
    border-radius: 20px;
    object-fit: cover;
    display: block;
    box-shadow: 0 20px 56px rgba(0,0,10,0.45);
  }

  /* ── Slide 9: AI Personas (light gradient) ── */
  .personas-main { grid-template-columns: 1fr 1.2fr; align-items: top; }
  .personas-row {
    display: grid;
    transform: translateY(-10%);
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    align-items: center;
  }
  .persona-card {
    width: 90%;
    border-radius: 12px;
    display: block;
    box-shadow: 0 16px 40px rgba(60,20,60,0.35);
    border: var(--border-subtle);
  }
  .personas-stack {
    display: flex;
    flex-direction: column;
    gap: clamp(12px, 1.6vw, 24px);
  }

  /* ── Slide 9: AI Stories (blue) ── */
  .stories-main { grid-template-columns: 1fr 1fr; align-items: top; height: auto; }
  .stories-collage {
    display: grid;
    gap: clamp(12px, 1.6vw, 24px);
  }
  .story-img {
    width: auto%;
    height: 100%;
    object-fit: cover;
    border-radius: 16px;
    display: block;
    box-shadow: 0 14px 36px rgba(0,0,10,0.35);
  }
  .stories-collage .s1 { grid-column: 1 / 3; height: clamp(140px, 30vh, 320px); aspect-ratio: 23 / 32; transform: translateX(10%); }
  .stories-collage .s2 { grid-column: 3 / 5; height: clamp(140px, 30vh, 320px); }
  .stories-collage .s3 { grid-column: 5 / 7; height: clamp(140px, 30vh, 320px); aspect-ratio: 23 / 32; }
  .stories-collage .s4 { grid-column: 2 / 4; height: clamp(130px, 28vh, 300px); }
  .stories-collage .s5 { grid-column: 4 / 7; height: clamp(130px, 28vh, 300px); }

  /* ── Slide 10: AI Headshots (light gradient) ── */
  .slide.heads .slide-inner { max-height: 94vh; gap:clamp(12px, 1.6vw, 24px);}
  .heads-row {
    display: grid;
    grid-template-columns: 1fr 0.6fr 0.6fr 0.6fr 0.6fr;
    gap: clamp(12px, 1.6vw, 24px);
    align-items: end;
    padding-right: clamp(20px, 3vw, 60px);
  }
  .heads-row-2 {
    grid-template-columns: 0.6fr 0.6fr 0.6fr 0.6fr 1fr;
    align-items: start;
    margin-top: clamp(14px, 2vh, 28px);
    padding-left: clamp(20px, 3vw, 60px);
  }
  .heads-img {
    width: 100%;
    height: clamp(150px, 34vh, 380px);
    object-fit: cover;
    object-position: top;
    border: var(--border-subtle);
    border-radius: 16px;
    display: block;
    box-shadow: 0 14px 36px rgba(60,20,60,0.3);
  }
  .heads-side { display: flex; flex-direction: column; gap: 24px; }
  .heads-row .heads-side { align-items: flex-end; }
  .heads-row-2 .heads-side { align-items: flex-start; }
  .heads-card {
    background: rgba(133, 143, 224, 0.26);
    backdrop-filter: var(--glass-md);
    -webkit-backdrop-filter: var(--glass-md);
    border: var(--border-subtle);
    border-radius: 18px;
    box-shadow: 0 16px 40px rgba(60,30,60,0.18);
    padding: clamp(14px, 1.6vw, 26px);
  }
  .heads-card p {
    font-size: clamp(0.78rem, 1.05vw, 1rem);
    line-height: 1.5;
    color: var(--white);
    font-weight: 500;
  }
  .heads-orig {
    height: clamp(90px, 16vh, 180px);
    object-fit: cover;
    border-radius: 12px;
    display: block;
    box-shadow: 0 10px 26px rgba(60,20,60,0.3);
  }

  /* ── Slide 11: Custom AI Themes (dark gradient) ── */
  .slide.customai .slide-inner { max-height: 94vh; padding-bottom: 32px; }
  .customai-main {
    display: grid;
    grid-template-columns: 1.1fr 1fr 1.1fr;
    gap: clamp(20px, 3vw, 56px);
    align-items: start;
    padding: 0 clamp(8px, 3vw, 64px);
  }
  .customai-col { display: flex; flex-direction: column; gap: clamp(14px, 2vh, 24px); }
  .customai-hero { position: relative; }
  .customai-img {
    width: 100%;
    height: clamp(200px, 48vh, 540px);
    object-fit: cover;
    object-position: top;
    border-radius: 20px;
    display: block;
    box-shadow: 0 16px 40px rgba(0,0,10,0.4);
  }
  .customai-img.square { height: clamp(180px, 42vh, 480px); }
  .customai-orig {
    position: absolute;
    left: -8%; bottom: -6%;
    width: 26%;
    border-radius: 12px;
    border: 2px solid rgba(255,255,255,0.6);
    box-shadow: 0 12px 30px rgba(0,0,10,0.45);
    z-index: 3;
  }
  .customai-tall {
    width: 100%;
    height: clamp(280px, 66vh, 740px);
    object-fit: cover;
    border-radius: 20px;
    display: block;
    box-shadow: 0 16px 40px rgba(0,0,10,0.4);
  }

  /* ── Slide 12: AI Video Samples (dark gradient) ── */
  /* [data-bg="dark03"] PNG replaced by CSS blobs */
  .slide.aivideo .slide-inner { max-height: 100vh; display: flex; flex-direction: column; }
  .aivideo-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: clamp(24px, 4vw, 80px);
    align-items: center;
    justify-items: center;
    padding: 0 clamp(8px, 3vw, 64px);
    margin: auto 0;
  }
  .aivideo-img {
    width: auto;
    object-fit: cover;
    border-radius: 20px;
    display: block;
    box-shadow: 0 18px 44px rgba(0,0,0,0.55);
  }
  .aivideo-img.v1 { height: clamp(180px, 42vh, 480px); aspect-ratio: 56 / 75; overflow: hidden; }
  .aivideo-img.v2 { height: clamp(180px, 42vh, 480px); aspect-ratio: 337 / 600; overflow: hidden; }
  .aivideo-yt-wrap iframe { width: 100%; height: 100%; border: 0; display: block; }
  .aivideo-img.v3 { height: clamp(180px, 42vh, 480px); aspect-ratio: 56 / 75; overflow: hidden; }
  .aivideo-hero { position: relative; }
  .aivideo-orig {
    position: absolute;
    left: -16%; bottom: -4%;
    width: 30%;
    border-radius: 12px;
    border: 2px solid rgba(255,255,255,0.5);
    box-shadow: 0 12px 30px rgba(0,0,0,0.6);
    z-index: 3;
  }

  /* ── Slide 13: Kiosk Photo Booth (dark gradient) ── */
  .slide.kiosk .slide-inner { max-height: 100vh; overflow: hidden; padding-bottom: clamp(60px, 8vh, 90px); }
  .kiosk-main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(24px, 3.5vw, 64px);
    align-items: top;
    justify-content: center;
  }
  .kiosk-stage {
    position: relative;  
    justify-content: center;
  }

  .kiosk-img {
    width: auto;
    height: clamp(300px, 70vh, 900px);
    object-fit: contain;
    display: block;
    filter: drop-shadow(0 0 32px rgba(0,0,10,0.1));
    border: none; 
  }
  .kiosk-stage .chip { white-space: normal; line-height: 1.35; }
  .k-chip-1 { top: 12%; left: -4%; }
  .k-chip-2 { top: 6%; right: 0; }
  .k-chip-3 { bottom: 40%; left: 4%; }
  .k-chip-4 { bottom: 30%; right: 10%; }
  .dslr-img-1 { aspect-ratio: 549 / 868; display: block; margin: 0 auto; }
  /* DSLR variant chip positions */
  .dslr .k-chip-1 { top: 12%; left: 6%; }
  .dslr .k-chip-2 { top: 12%; right: 12%; }
  .dslr .k-chip-3 { top: 40%; bottom: auto; left: 10%; }s
  .dslr .k-chip-4 { bottom: 0%; right: 0%; }

  .kiosk-footer {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 18px;
    transform: translateY(-40%);
  }
  .kiosk-footer .nonai-footnote { margin-top: 0; }
  .ai-badge-img {
    height: clamp(44px, 7vh, 72px);
    width: auto;
    border-radius: 12px;
    box-shadow: 0 10px 24px rgba(0,0,10,0.3);
  }

  /* ── Slide 14: Hybrid Photo Booth (light gradient) ── */
  .slide.hybrid .slide-inner { max-height: 94vh; padding-bottom: clamp(60px, 8vh, 90px); }
  .hybrid-main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(24px, 3.5vw, 64px);
    align-items: top;
  }
  .hybrid-collage {
    display: grid;
    grid-template-columns: 1fr 1fr; 
    max-width: 80%;
    gap: clamp(14px, 1.8vw, 28px);
    align-items: start;
  }
  .hybrid-col { display: flex; flex-direction: column; gap: clamp(14px, 2vh, 24px); align-items: end; }
  .hybrid-col.offset {}
  .hybrid-img {
    width: 100%;
    height: clamp(100px, 24vh, 300px);
    object-fit: cover;
    border-radius: 16px;
    display: block;
    box-shadow: 0 14px 36px rgba(60,20,60,0.3);
  }
  .hybrid-img.tall { height: clamp(160px, 36vh, 480px); }
  .hybrid-img.square { aspect-ratio: 1 / 1; height: auto; }

  /* ── Slide 16: Digital Photo Booth (dark gradient) ── */
  .slide.digital .slide-inner { max-height: 94vh; padding-bottom: clamp(60px, 8vh, 90px); }
  .digital-main {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: clamp(24px, 3.5vw, 64px);
    align-items: center;
  }
  .digital-stage {
    position: relative;
    padding: clamp(30px, 6vh, 70px) 0 0 clamp(20px, 3vw, 50px);
  }
  .digital-img {
    width: 78%;
    margin-left: 18%;
    height: clamp(220px, 52vh, 560px);
    object-fit: cover;
    border-radius: 20px;
    display: block;
    box-shadow: 0 18px 44px rgba(0,0,0,0.55);
  }
  .digital-qr {
    position: absolute;
    top: 0; left: 0;
    width: 38%;
    border-radius: 16px;
    box-shadow: 0 14px 36px rgba(0,0,0,0.5);
    z-index: 3;
  }
  .digital-panel {
    height: fit-content;
    background: rgba(12,14,28,0.85);
    border: 1px solid rgba(255,255,255,0.12);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }

  /* ── Slide 17: Tablet Photo Booth (dark gradient) ── */
  .slide.tablet .slide-inner { max-height: 94vh; }
  .tablet-main {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: clamp(24px, 3.5vw, 64px);
    align-items: center;
  }
  .tablet-collage {
    display: grid;
    grid-template-columns: 1fr 1.05fr;
    gap: clamp(14px, 1.8vw, 28px);
    align-items: start;
  }
  .tablet-img {
    width: 100%;
    object-fit: cover;
    border-radius: 18px;
    display: block;
    box-shadow: 0 16px 40px rgba(0,0,10,0.45);
  }
  .tablet-img.t1 { height: clamp(220px, 52vh, 580px); }
  .tablet-img.t2 { height: clamp(190px, 46vh, 520px); }
  .tablet-col {
    display: flex;
    flex-direction: column;
    gap: clamp(14px, 2.4vh, 28px);
    margin-top: clamp(10px, 2vh, 24px);
  }
  .tablet-chip {
    position: static;
    align-self: flex-start;
    white-space: normal;
    line-height: 1.35;
  }


  /* ── Slide 18: Takeaways - Stickers & Buttons (light gradient) ── */
  .slide.takeaways .slide-inner { max-height: 94vh; }
  .tk-grid {
    display: grid;
    grid-template-columns: 1fr 1.15fr 1fr 1fr;
    gap: clamp(14px, 2vw, 32px);
    align-items: start;
    margin-top: clamp(10px, 2vh, 28px);
  }
  .tk-col { display: flex; flex-direction: column; gap: clamp(12px, 1.8vh, 22px); }
  .tk-col.down { margin-top: clamp(8px, 1.5vh, 20px); }
  .tk-img {
    width: 100%;
    height: clamp(150px, 34vh, 380px);
    object-fit: cover;
    border-radius: 18px;
    display: block;
    box-shadow: 0 14px 36px rgba(60,20,60,0.3);
  }
  .tk-img.tall { height: clamp(180px, 40vh, 440px); margin-top: clamp(8px, 1.5vh, 20px); }
  .tk-img.mid  { height: clamp(170px, 38vh, 420px); margin-top: clamp(60px, 14vh, 160px); }
  .tk-col .tk-img { height: clamp(150px, 34vh, 380px); }

  /* ── Slide 19: Takeaways - Gloss Prints (light gradient) ── */
  .slide.prints .slide-inner { max-height: 94vh; }
  .prints-grid {
    display: grid;
    grid-template-columns: 0.4fr 0.7fr 0.6fr;
    gap: clamp(20px, 3vw, 56px);
    align-items: start;
    margin-top: clamp(8px, 1.5vh, 20px);
  }
  .print-item { margin: 0; }
  .print-item img {
    width: 100%;
    margin: 0 auto;
    object-fit: cover;
    border-radius: 8px;
    display: block;
    box-shadow: 0 14px 36px rgba(60,20,60,0.3);
  }
  .print-item figcaption {
    align-self: flex-end;
    text-align: center;
    margin-top: 10px;
    font-size: clamp(0.78rem, 1.05vw, 1rem);
    font-weight: 600;
    color: var(--white);
  }
  .print-item.strip img { height: clamp(280px, 72vh, 760px); object-fit: contain; background: #fff; }
  .prints-col { display: flex; flex-direction: column; gap: clamp(14px, 2.4vh, 28px); }
  .p-46  { aspect-ratio: 3 / 2; width: auto; max-width: 65%; }
  .p-57  { aspect-ratio: 5 / 7; height: clamp(160px, 38vh, 420px); object-fit: cover; }
  .print-item img.p-57 { width: auto; max-width: 100%; }
  .p-810 { aspect-ratio: 4 / 5; height: clamp(300px, 72vh, 760px); }

  /* ── Slide 20: Takeaways - Postcards (light gradient) ── */
  .slide.postcards .slide-inner { max-height: 94vh; }
  .pc-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr 1fr;
    gap: clamp(16px, 2.4vw, 40px);
    align-items: center;
    margin-top: clamp(8px, 1.5vh, 20px);
  }
  .pc-img {
    width: 100%;
    height: clamp(150px, 34vh, 380px);
    object-fit: cover;
    border-radius: 18px;
    display: block;
    box-shadow: 0 14px 36px rgba(60,20,60,0.3);
  }
  .pc-feature { margin: 0; }
  .pc-feature img {
    width: 100%;
    border-radius: 14px;
    display: block;
    box-shadow: 0 14px 36px rgba(60,20,60,0.3);
  }
  .pc-feature figcaption {
    margin-top: 10px;
    text-align: right;
    font-size: clamp(0.78rem, 1.05vw, 1rem);
    font-weight: 600;
    color: var(--white);
  }
  .pc-card { align-self: start; }

  /* ── Slide 21: Takeaways - Trading Cards (light gradient) ── */
  .slide.tcards .slide-inner { max-height: 94vh; }
  .tc-row {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: clamp(12px, 1.8vw, 32px);
    align-items: center;
    margin-top: clamp(8px, 1.5vh, 20px);
  }
  .tc-col {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
  }
  .tc-col.down { margin-top: clamp(20px, 5vh, 60px); }
  .tc-col.up   { margin-bottom: clamp(20px, 5vh, 60px); }
  .tc-img {
    width: 100%;
    border-radius: 12px;
    display: block;
    box-shadow: 0 14px 36px rgba(60,20,60,0.3);
  }
  .tc-label {
    font-size: clamp(0.75rem, 1vw, 0.95rem);
    font-weight: 600;
    color: rgba(255,255,255,0.85);
  }
  .tc-chip { position: static; white-space: normal; padding: clamp(10px, 1.2vw, 18px); width: 100%; }
  .tc-chip p { font-size: clamp(0.7rem, 0.95vw, 0.92rem); line-height: 1.4; }
  .tc-note {
    text-align: right;
    margin-top: clamp(10px, 2vh, 24px);
    font-size: clamp(0.8rem, 1.05vw, 1rem);
    font-weight: 600;
    color: var(--white);
  }

  /* ── Slide 22: 360 Video Booth (light gradient) ── */
  .slide.v360 .slide-inner { max-height: 94vh; }
  .v360-main {
    display: grid;
    grid-template-columns: 0.70fr 0.6fr 1.2fr;
    gap: clamp(20px, 3vw, 56px);
    align-items: stretch;
  }
  .v360-img {
    width: 100%;
    object-fit: cover;
    border-radius: 18px;
    display: block;
    box-shadow: 0 14px 36px rgba(60,20,60,0.3);
  }
  .v360-img.hero { height: clamp(280px, 68vh, 740px); }
  .v360-yt-wrap { overflow: hidden; }
  .v360-yt-wrap iframe { width: 100%; height: 100%; border: 0; display: block; }
  .v360-col {
    display: flex;
    flex-direction: column;
    gap: clamp(14px, 2.4vh, 28px);
  }
  .v360-col .v360-img { flex: 1; height: 0; min-height: 0; }

  /* ── Slide 23: Karaoke Video Booth (dark gradient) ── */
  .slide.karaoke .slide-inner { max-height: 94vh; }
  .karaoke-main {
    display: grid;
    grid-template-columns: 0.85fr 1fr 1.25fr;
    gap: clamp(20px, 3vw, 56px);
  }
  .karaoke-hero { position: relative; }
  .karaoke-chip {
    top: 6%; right: -12%;
    white-space: normal;
    line-height: 1.35;
  }

  .karaoke-img {
    width: 100%;
    object-fit: cover;
    border-radius: 18px;
    display: block;
    box-shadow: 0 14px 36px rgba(0,0,10,0.4);
  }
  .karaoke-img.tall { height: clamp(280px, 62vh, 720px); }
  .karaoke-col {
    display: flex;
    flex-direction: column;
    gap: clamp(14px, 2.4vh, 28px);
  }
  .karaoke-col .karaoke-img { height: clamp(140px, 30vh, 340px); }
  .karaoke-yt-wrap { overflow: hidden; }
  .karaoke-yt-wrap iframe { width: 100%; height: 100%; border: 0; display: block; }

  /* ── Slide 25: WOW Innovations (dark gradient) ── */
  .slide.wow .slide-inner { max-height: 94vh; }
  .wow-main {
    display: grid;
    grid-template-columns: 0.85fr 1fr 1.5fr;
    gap: clamp(20px, 3vw, 56px);
    align-items: top;
  }
  .wow-item { margin: 0; }
  .wow-item figcaption {
    margin-top: 12px;
    font-size: clamp(0.8rem, 1.05vw, 1rem);
    font-weight: 600;
    color: var(--white);
    text-align: center;
  }
  .wow-img {
    width: auto;
    object-fit: cover;
    border-radius: 18px;
    display: block;
    box-shadow: 0 14px 36px rgba(0,0,0,0.5);
  } 
  .wow-img.tall { height: clamp(280px, 64vh, 700px); }
  .wow-col {
    display: flex;
    flex-direction: column;
    gap: clamp(14px, 6vh, 60px);
  }
  .wow-col .wow-img { height: clamp(135px, 29vh, 330px); }
  .wow-panel p {
    font-size: clamp(0.85rem, 1.2vw, 1.15rem);
    line-height: 1.6;
    color: var(--white);
    font-weight: 500;
  }
  .wow-panel p + p { margin-top: 20px; }

  /* ── Slide 26: Sticker Mosaic (dark gradient) ── */
  .slide.smosaic .slide-inner { max-height: 94vh; }
  .smosaic-main {
    display: grid;
    grid-template-columns: 0.95fr 1fr 1.2fr;
    gap: clamp(20px, 3vw, 56px);
    align-items: start;
  }
  .smosaic-col { display: flex; flex-direction: column; gap: clamp(14px, 2.2vh, 26px); }
  .smosaic-col.offset { margin-top: clamp(6px, 1.2vh, 16px); }
  .smosaic-img {
    width: 100%;
    object-fit: cover;
    border-radius: 18px;
    display: block;
    box-shadow: 0 14px 36px rgba(0,0,10,0.4);
  }
  .smosaic-img.tall { height: clamp(220px, 46vh, 520px); }
  .smosaic-yt-wrap { overflow: hidden; }
  .smosaic-yt-wrap iframe { width: 100%; height: 100%; border: 0; display: block; }
  .smosaic-col .smosaic-img:not(.tall) { height: clamp(130px, 28vh, 320px); }

  /* ── Slide 27: Digital Mosaic (light gradient) ── */
  .slide.dmosaic .slide-inner { max-height: 94vh; }
  .dmosaic-main {
    display: grid;
    grid-template-columns: 1.35fr 1fr;
    gap: clamp(24px, 3.5vw, 64px);
    align-items: center;
  }
  .dmosaic-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: clamp(14px, 2vw, 28px);
    align-items: start;
  }
  .dmosaic-img {
    width: 100%;
    object-fit: cover;
    border-radius: 18px;
    display: block;
    box-shadow: 0 14px 36px rgba(60,20,60,0.3);
  }
  .dmosaic-img.wide { height: clamp(130px, 29vh, 330px); }
  .dmosaic-img.tall { grid-row: span 2; height: clamp(280px, 62vh, 700px); }
  .dmosaic-grid .dmosaic-img:not(.wide):not(.tall) { height: clamp(130px, 29vh, 330px); }
  .dmosaic-card { grid-column: 1 / -1; position: relative; z-index: 3; width: 80%; justify-self: center; transform: translateY(-80%); }

  /* ── Slide 28: Social Wall (dark gradient) ── */
  .slide.swall .slide-inner { max-height: 94vh; }
  .swall-main {
    display: grid;
    grid-template-columns: 1fr 1fr 1.15fr;
    gap: clamp(20px, 3vw, 56px);
    align-items: start;
  }
  .swall-col { display: flex; flex-direction: column; gap: clamp(14px, 2.2vh, 26px); }
  .swall-img {
    width: 100%;
    height: clamp(150px, 32vh, 380px);
    object-fit: cover;
    border-radius: 18px;
    display: block;
    box-shadow: 0 14px 36px rgba(0,0,10,0.4);
  }
  .swall-img.tall { height: clamp(180px, 38vh, 440px); }

  /* ── Slide 29: Custom Animation Videos (dark gradient) ── */
  .slide.animvid .slide-inner { max-height: 94vh; }
  .animvid-main {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: clamp(24px, 3.5vw, 64px);
    align-items: center;
  }
  .animvid-video { margin: 0; max-width: none; }

  /* ── Slide 31: How it works (light gradient) ── */
  .slide.howit .slide-inner { max-height: 94vh; }
  .howit-subtitle {
    text-align: center;
    font-size: clamp(1rem, 1.6vw, 1.5rem);
    font-weight: 600;
    color: var(--white);
    line-height: 1.4;
    margin-bottom: clamp(18px, 3.5vh, 44px);
  }
  .howit-grid {
    display: grid;
    grid-template-columns: repeat(4, 0.3fr);
    gap: clamp(20px, 2vw, 60px);
    align-items: start;
    padding: 0 clamp(8px, 2vw, 48px);
    justify-content: center;
  }
  .howit-col { display: flex; flex-direction: column; gap: clamp(14px, 2.2vh, 26px); }
  .howit-card {
    background: #ffffff;
    border-radius: 18px;
    border: (var(--border-subtle));
    overflow: hidden;
    box-shadow: 0 14px 36px rgba(60,20,60,0.25);
  }
  .howit-card img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    display: block;
    border:none
  }
  .howit-step {
    display: block;
    padding: 14px 16px;
    font-size: clamp(0.8rem, 1.05vw, 1.2rem);
    font-weight: 800;
    color: #2a2a4a;
  }
  .howit-col:first-child .howit-step { color: #4a5cf0; }

  /* ── Slide 32: Nationwide / Thanks (dark gradient) ── */
  .slide.nationwide .slide-inner {
    max-height: 94vh;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .nationwide-title {
    text-align: center;
    font-size: clamp(1.4rem, 2.8vw, 2.6rem);
    font-weight: 300;
    color: var(--white);
    line-height: 1.3;
    margin-bottom: clamp(10px, 2vh, 24px);
  }
  .nationwide-map {
    width: min(62vw, 78vh);
    max-width: 900px;
    display: block;
  }
  .nationwide-thanks {
    position: fixed;
    right: clamp(24px, 4vw, 64px);
    bottom: clamp(20px, 4vh, 48px);
    font-family: var(--font-head);
    font-size: clamp(2rem, 4vw, 3.4rem);
    font-weight: 300;
    color: var(--white);
  }

  /* ── Slide 33: Thanks (dark gradient) ── */
  .slide.thanks { justify-content: flex-end; }
  .slide.thanks .thanks-bar { margin-top: auto; margin-bottom: 0; }
  .thanks-inner {
    width: 100%;
    max-height: none;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding-bottom: clamp(80px, 14vh, 130px);
  }
  .thanks-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    backdrop-filter: var(--glass-lg);
    -webkit-backdrop-filter: var(--glass-lg);
    border: var(--border-subtle);
    border-top-color: rgba(255,255,255,0.5);
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0,0,20,0.3);
    padding: clamp(20px, 3.5vh, 40px) clamp(28px, 3.5vw, 64px);
  }
  .thanks-bar img { height: clamp(36px, 6vh, 64px); width: auto; display: block; }
  .thanks-bar span {
    font-family: var(--font-head);
    font-size: clamp(1.8rem, 3.4vw, 3rem);
    font-weight: 300;
    color: var(--white);
  }

  /* chrome adapts on light slides */
  #logo img { height: 24px; width: auto; display: block; }
  body.light-chrome #logo        { color: #1a1a2e; }
  body.light-chrome #logo img    { filter: invert(1) opacity(0.85); }
  body.light-chrome .footer-divider { background: rgba(20,20,40,0.2); }
  body.light-chrome #slide-label { color: rgba(20,20,40,0.45); }
  body.light-chrome #hint        { color: rgba(20,20,40,0.4); }
  body.light-chrome .dot         { background: rgba(20,20,40,0.2); }
  body.light-chrome .dot.active  { background: #1a1a2e; }
  body.light-chrome .nav-btn {
    background: rgba(20,20,40,0.06);
    border-color: rgba(20,20,40,0.18);
    color: #1a1a2e;
  }
  body.light-chrome #counter { color: rgba(20,20,40,0.55); }

  @media (max-width: 768px) {
    .pd-grid { grid-template-columns: repeat(3, 1fr); }
    .pd-header { flex-direction: column; gap: 12px; margin-bottom: 20px; }
    .slide.light .slide-inner { padding: 32px 24px; }
    .slide-inner { padding: 40px 28px; }
    .card-grid.cols-3, .card-grid.cols-4 { grid-template-columns: 1fr 1fr; }
    .steps { grid-template-columns: 1fr 1fr; }
    .two-col { grid-template-columns: 1fr; gap: 24px; }
    .feature-list { grid-template-columns: 1fr; }
    .video-grid { grid-template-columns: 1fr; }
    #dots { display: none; }
  }