:root {
      --bg: #0e1a2b;
      --bg2: #13243d;
      --text: #f4f7fb;
      --muted: #b8c2d1;
      --accent: #ffb703;
      --card: rgba(8, 16, 28, 0.50);
    }

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

    body {
      min-height: 100vh;
      font-family: Georgia, "Times New Roman", serif;
      color: var(--text);
      background:
        radial-gradient(circle at 20% 20%, rgba(255, 183, 3, 0.16), transparent 38%),
        radial-gradient(circle at 80% 10%, rgba(142, 202, 230, 0.12), transparent 34%),
        linear-gradient(135deg, var(--bg), var(--bg2));
      padding: 32px 16px 64px;
    }

    header {
      text-align: center;
      margin-bottom: 48px;
    }

    .tag {
      display: inline-block;
      margin-bottom: 14px;
      padding: 6px 12px;
      border-radius: 999px;
      background: rgba(255, 183, 3, 0.18);
      color: #ffe2a1;
      font-size: 0.8rem;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    h1 {
      font-size: clamp(2rem, 5vw, 3.2rem);
      line-height: 1.1;
      letter-spacing: 0.5px;
      margin-bottom: 12px;
    }

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

    header p {
      color: var(--muted);
      font-size: 1.05rem;
      line-height: 1.6;
      max-width: 520px;
      margin: 0 auto;
    }

    /* ── scene grid ── */
    .scenes {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 28px;
      max-width: 960px;
      margin: 0 auto;
    }

    .scene {
      position: relative;
      overflow: hidden;
      border: 1px solid rgba(255,255,255,0.15);
      border-radius: 16px;
      background: var(--card);
      backdrop-filter: blur(3px);
      box-shadow: 0 12px 30px rgba(0,0,0,0.28);
      height: 260px;
    }

    .scene-label {
      position: absolute;
      bottom: 12px;
      left: 0;
      right: 0;
      text-align: center;
      font-size: 0.85rem;
      color: var(--muted);
      letter-spacing: 0.04em;
      z-index: 5;
    }

    /* ═══════════════════════════════════
       1 ─ SISYPHUS: pushing rock uphill
       ═══════════════════════════════════ */
    .hill {
      position: absolute;
      bottom: 0; right: -20px;
      width: 130%;
      height: 65%;
      background: linear-gradient(145deg, #2a3d29, #1b2e1a);
      clip-path: polygon(100% 100%, 0% 100%, 100% 0%);
    }

    .sisyphus-group {
      position: absolute;
      bottom: 18%;
      left: 8%;
      animation: climbHill 4s ease-in-out infinite;
    }

    /* the person */
    .pusher {
      position: absolute;
      bottom: 0;
      left: -30px;
    }
    .pusher .head {
      width: 16px; height: 16px;
      background: #ffcc70;
      border-radius: 50%;
      margin: 0 auto 2px;
    }
    .pusher .torso {
      width: 10px; height: 22px;
      background: #e06040;
      border-radius: 3px;
      margin: 0 auto;
      transform: rotate(30deg);
      transform-origin: bottom center;
    }
    .pusher .legs {
      width: 20px; height: 14px;
      margin: 0 auto;
    }
    .pusher .legs::before,
    .pusher .legs::after {
      content: '';
      position: absolute;
      bottom: -12px;
      width: 5px; height: 18px;
      background: #5576a0;
      border-radius: 2px;
    }
    .pusher .legs::before { left: 2px; transform: rotate(-10deg); }
    .pusher .legs::after  { left: 14px; transform: rotate(15deg); animation: legMove 0.6s ease-in-out infinite alternate; }

    /* the rock */
    .rock {
      width: 40px; height: 38px;
      background: radial-gradient(circle at 35% 35%, #9a9a8a, #5e5e50);
      border-radius: 42% 58% 50% 50% / 55% 45% 55% 45%;
      box-shadow: inset -4px -4px 8px rgba(0,0,0,0.3);
      animation: rockRoll 4s linear infinite;
    }

    @keyframes climbHill {
      0%   { transform: translate(0, 0); }
      50%  { transform: translate(140px, -90px); }
      52%  { transform: translate(140px, -90px); }
      100% { transform: translate(0, 0); }
    }

    @keyframes rockRoll {
      0%   { transform: rotate(0deg); }
      50%  { transform: rotate(360deg); }
      100% { transform: rotate(0deg); }
    }

    @keyframes legMove {
      to { transform: rotate(-15deg); }
    }

    /* ═══════════════════════════════════
       2 ─ MAIL SLOT: paper pushed through
       ═══════════════════════════════════ */
    .mailbox {
      position: absolute;
      top: 50%; left: 50%;
      transform: translate(-50%, -50%);
    }

    .mail-door {
      width: 120px; height: 150px;
      background: linear-gradient(160deg, #b0652d, #7a3f14);
      border-radius: 10px 10px 4px 4px;
      border: 3px solid #5a2e0c;
      position: relative;
    }

    .mail-slot {
      position: absolute;
      top: 42px; left: 50%;
      transform: translateX(-50%);
      width: 80px; height: 8px;
      background: #1a0e04;
      border-radius: 2px;
      border: 2px solid #4a2808;
      overflow: visible;
      z-index: 3;
    }

    .mail-slot::after {
      content: '';
      position: absolute;
      top: -1px; left: 50%;
      transform: translateX(-50%);
      width: 76px; height: 5px;
      background: #2e1808;
      border-radius: 1px;
    }

    .mail-knob {
      position: absolute;
      top: 85px; left: 50%;
      transform: translateX(-50%);
      width: 14px; height: 14px;
      background: radial-gradient(circle at 40% 35%, #ffe680, #c8960a);
      border-radius: 50%;
      border: 1px solid #8a6508;
    }

    .envelope {
      position: absolute;
      top: -60px; left: 50%;
      width: 60px; height: 40px;
      transform: translateX(-50%);
      z-index: 4;
      animation: pushMail 3s ease-in-out infinite;
    }

    .envelope .env-body {
      width: 60px; height: 40px;
      background: #f5f0e0;
      border-radius: 3px;
      border: 1px solid #c8c0a8;
      position: relative;
    }

    .envelope .env-flap {
      position: absolute;
      top: 0; left: 0;
      width: 0; height: 0;
      border-left: 30px solid transparent;
      border-right: 30px solid transparent;
      border-top: 22px solid #e8e0c8;
    }

    .envelope .env-stripe {
      position: absolute;
      bottom: 6px; left: 8px;
      width: 44px; height: 3px;
      background: #d0c8b0;
      border-radius: 1px;
      box-shadow: 0 6px 0 #d0c8b0, 0 12px 0 #d0c8b0;
    }

    @keyframes pushMail {
      0%   { transform: translateX(-50%) translateY(0); opacity: 1; }
      40%  { transform: translateX(-50%) translateY(55px); opacity: 1; }
      55%  { transform: translateX(-50%) translateY(100px); opacity: 0; }
      56%  { transform: translateX(-50%) translateY(0); opacity: 0; }
      70%  { opacity: 1; }
      100% { transform: translateX(-50%) translateY(0); opacity: 1; }
    }

    /* ═══════════════════════════════════
       3 ─ PUSH-UPS: stick figure workout
       ═══════════════════════════════════ */
    .gym-floor {
      position: absolute;
      bottom: 0; left: 0; right: 0;
      height: 30px;
      background: linear-gradient(180deg, #3a2a1a, #2a1e12);
    }

    .pushup-figure {
      position: absolute;
      bottom: 30px;
      left: 50%;
      transform: translateX(-50%);
      width: 100px;
      height: 72px;
      animation: pushupDrop 1.6s ease-in-out infinite;
    }

    .pushup-figure .pu-head {
      width: 20px; height: 20px;
      background: #ffcc70;
      border-radius: 50%;
      position: absolute;
      left: 2px; bottom: 40px;
      animation: pushupHead 1.6s ease-in-out infinite;
    }

    .pushup-figure .pu-body {
      position: absolute;
      left: 18px; bottom: 24px;
      width: 58px; height: 10px;
      background: #e06040;
      border-radius: 4px;
      transform-origin: left center;
      animation: pushupBody 1.6s ease-in-out infinite;
    }

    .pushup-figure .pu-arm-l,
    .pushup-figure .pu-arm-r {
      position: absolute;
      width: 6px;
      background: #ffcc70;
      border-radius: 2px;
      bottom: 0;
    }

    .pushup-figure .pu-arm-l {
      left: 16px;
      height: 24px;
      transform-origin: top center;
      animation: pushupArmL 1.6s ease-in-out infinite;
    }

    .pushup-figure .pu-arm-r {
      left: 42px;
      height: 24px;
      transform-origin: top center;
      animation: pushupArmR 1.6s ease-in-out infinite;
    }

    .pushup-figure .pu-legs {
      position: absolute;
      right: 2px; bottom: 22px;
      width: 42px; height: 6px;
      background: #5576a0;
      border-radius: 3px;
      transform-origin: left center;
      animation: pushupLegs 1.6s ease-in-out infinite;
    }

    .sweat {
      position: absolute;
      left: 45%; bottom: 88px;
      font-size: 16px;
      animation: sweatDrop 1.6s ease-in infinite;
      opacity: 0;
    }

    @keyframes pushupDrop {
      0%, 100% { transform: translateX(-50%) translateY(0); }
      50%      { transform: translateX(-50%) translateY(14px); }
    }

    @keyframes pushupHead {
      0%, 100% { transform: translateY(0) rotate(0deg); }
      50%      { transform: translateY(2px) rotate(3deg); }
    }

    @keyframes pushupBody {
      0%, 100% { transform: rotate(-10deg); }
      50%      { transform: rotate(-3deg); }
    }

    @keyframes pushupArmL {
      0%, 100% { height: 24px; transform: rotate(12deg); }
      50%      { height: 16px; transform: rotate(34deg); }
    }

    @keyframes pushupArmR {
      0%, 100% { height: 24px; transform: rotate(2deg); }
      50%      { height: 16px; transform: rotate(22deg); }
    }

    @keyframes pushupLegs {
      0%, 100% { transform: rotate(0deg); }
      50%      { transform: rotate(2deg); }
    }

    @keyframes sweatDrop {
      0%   { opacity: 0; transform: translateY(0); }
      30%  { opacity: 1; }
      100% { opacity: 0; transform: translateY(20px); }
    }

    /* ═══════════════════════════════════
       4 ─ SHOPPING CART: pushed along
       ═══════════════════════════════════ */
    .store-floor {
      position: absolute;
      bottom: 0; left: 0; right: 0;
      height: 40px;
      background: linear-gradient(0deg, #2d2d3d, #3a3a4d);
    }

    .cart-group {
      position: absolute;
      bottom: 40px;
      animation: pushCart 5s linear infinite;
    }

    .cart-person .cp-head {
      width: 18px; height: 18px;
      background: #ffcc70;
      border-radius: 50%;
      position: absolute; top: -52px; left: -22px;
    }
    .cart-person .cp-body {
      width: 8px; height: 28px;
      background: #5e88c4;
      border-radius: 3px;
      position: absolute; top: -32px; left: -18px;
    }
    .cart-person .cp-arm {
      width: 24px; height: 5px;
      background: #ffcc70;
      border-radius: 2px;
      position: absolute; top: -24px; left: -10px;
      transform: rotate(-8deg);
    }

    .cart-basket {
      width: 50px; height: 32px;
      border: 3px solid #aab;
      border-top: none;
      border-radius: 0 0 4px 4px;
      position: relative;
    }
    .cart-basket::before {
      content: '';
      position: absolute;
      top: -8px; left: -2px; right: -2px;
      height: 3px;
      background: #aab;
      border-radius: 2px;
    }
    .cart-handle {
      position: absolute;
      top: -18px; right: -14px;
      width: 3px; height: 20px;
      background: #aab;
      border-radius: 2px;
      transform: rotate(-15deg);
    }
    .cart-wheel {
      position: absolute;
      bottom: -10px;
      width: 12px; height: 12px;
      background: #333;
      border: 2px solid #888;
      border-radius: 50%;
    }
    .cart-wheel.cw-l { left: 4px; }
    .cart-wheel.cw-r { right: 4px; }

    .cart-wheel::after {
      content: '';
      position: absolute;
      top: 3px; left: 3px;
      width: 2px; height: 2px;
      background: #ccc;
      border-radius: 50%;
      animation: wheelSpin 0.4s linear infinite;
    }

    .cart-item {
      position: absolute;
      border-radius: 3px;
    }
    .cart-item:nth-child(1) { width: 14px; height: 18px; background: #e8524a; top: 4px; left: 4px; }
    .cart-item:nth-child(2) { width: 12px; height: 14px; background: #4ac462; top: 8px; left: 22px; }
    .cart-item:nth-child(3) { width: 10px; height: 10px; background: #f0c040; top: 2px; left: 34px; border-radius: 50%; }

    @keyframes pushCart {
      0%   { left: -80px; }
      100% { left: 110%; }
    }

    @keyframes wheelSpin {
      to { transform: rotate(360deg); }
    }

    /* ═══════════════════════════════════
       5 ─ PUSH BUTTON: big red button
       ═══════════════════════════════════ */
    .button-stage {
      position: absolute;
      top: 50%; left: 50%;
      transform: translate(-50%, -50%);
    }

    .btn-base {
      width: 100px; height: 20px;
      background: linear-gradient(180deg, #555, #333);
      border-radius: 6px;
      margin-top: -2px;
    }

    .btn-dome {
      width: 80px; height: 50px;
      margin: 0 auto;
      background: radial-gradient(circle at 40% 30%, #ff5040, #b81c10);
      border-radius: 50% 50% 8px 8px;
      box-shadow: 0 4px 10px rgba(180, 20, 10, 0.5);
      animation: buttonPush 2s ease-in-out infinite;
      position: relative;
    }

    .btn-dome::after {
      content: 'PUSH';
      position: absolute;
      bottom: 8px; left: 50%;
      transform: translateX(-50%);
      font-size: 0.6rem;
      font-weight: bold;
      color: rgba(255,255,255,0.7);
      letter-spacing: 0.15em;
    }

    .btn-finger {
      width: 18px; height: 40px;
      background: linear-gradient(180deg, #ffcc70, #e8a840);
      border-radius: 8px 8px 4px 4px;
      margin: 0 auto;
      position: relative;
      top: -20px;
      animation: fingerPush 2s ease-in-out infinite;
    }

    .btn-sparkle {
      position: absolute;
      top: 35%; left: 50%;
      font-size: 24px;
      opacity: 0;
      animation: sparkle 2s ease-in-out infinite;
    }

    @keyframes buttonPush {
      0%, 100% { transform: scaleY(1); }
      45%, 55% { transform: scaleY(0.7); }
    }

    @keyframes fingerPush {
      0%, 100% { transform: translateY(0); }
      45%, 55% { transform: translateY(18px); }
    }

    @keyframes sparkle {
      0%, 40%  { opacity: 0; transform: translate(-50%, 0) scale(0.5); }
      50%      { opacity: 1; transform: translate(-50%, -10px) scale(1.2); }
      65%, 100%{ opacity: 0; transform: translate(-50%, -20px) scale(0.8); }
    }

    /* ═══════════════════════════════════
       6 ─ SWING: kid being pushed on swing
       ═══════════════════════════════════ */
    .swing-frame {
      position: absolute;
      top: 20px; left: 50%;
      transform: translateX(-50%);
    }

    .swing-bar {
      width: 160px; height: 6px;
      background: #8b6b4a;
      border-radius: 3px;
    }

    .swing-leg-l, .swing-leg-r {
      position: absolute;
      top: 6px;
      width: 5px; height: 66px;
      background: #8b6b4a;
    }
    .swing-leg-l { left: 10px; transform: rotate(8deg); }
    .swing-leg-r { right: 10px; transform: rotate(-8deg); }

    .swing-rope-group {
      position: absolute;
      top: 4px; left: 50%;
      transform: translateX(-50%);
      transform-origin: top center;
      animation: swingMotion 2.5s ease-in-out infinite alternate;
    }

    .swing-rope-l, .swing-rope-r {
      position: absolute;
      top: 0;
      width: 2px; height: 110px;
      background: #aaa;
    }
    .swing-rope-l { left: -12px; }
    .swing-rope-r { left: 12px; }

    .swing-seat {
      position: absolute;
      top: 108px; left: -16px;
      width: 32px; height: 6px;
      background: #c0522a;
      border-radius: 2px;
    }

    .swing-kid {
      position: absolute;
      top: 80px; left: -6px;
    }

    .swing-kid .sk-head {
      width: 14px; height: 14px;
      background: #ffcc70;
      border-radius: 50%;
      margin: 0 auto;
    }
    .swing-kid .sk-body {
      width: 8px; height: 16px;
      background: #50a0e0;
      border-radius: 3px;
      margin: 0 auto;
    }

    .swing-parent {
      position: absolute;
      top: 130px;
      left: 50px;
    }
    .swing-parent .sp-head {
      width: 16px; height: 16px;
      background: #ffcc70;
      border-radius: 50%;
      margin: 0 auto 2px;
    }
    .swing-parent .sp-body {
      width: 10px; height: 26px;
      background: #58a060;
      border-radius: 3px;
      margin: 0 auto;
    }
    .swing-parent .sp-arm {
      position: absolute;
      top: 20px; left: -10px;
      width: 16px; height: 5px;
      background: #ffcc70;
      border-radius: 2px;
      animation: parentPush 2.5s ease-in-out infinite alternate;
    }

    @keyframes swingMotion {
      0%   { transform: translateX(-50%) rotate(25deg); }
      100% { transform: translateX(-50%) rotate(-25deg); }
    }

    @keyframes parentPush {
      0%   { transform: rotate(-15deg); }
      100% { transform: rotate(15deg); }
    }

    .ground {
      position: absolute;
      bottom: 0; left: 0; right: 0;
      height: 24px;
      background: linear-gradient(0deg, #2a4a1a, #3a5a2a);
    }

    /* ═══════════════════════════════════
       7 ─ DOMINO PUSH: chain reaction
       ═══════════════════════════════════ */
    .domino-floor {
      position: absolute;
      bottom: 32px;
      left: 18px;
      right: 18px;
      height: 4px;
      background: rgba(255, 255, 255, 0.2);
      border-radius: 2px;
    }

    .domino-row {
      position: absolute;
      left: 24px;
      right: 24px;
      bottom: 36px;
      height: 92px;
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
    }

    .domino {
      width: 14px;
      height: 64px;
      border-radius: 3px;
      transform-origin: bottom center;
      box-shadow: 0 2px 6px rgba(0,0,0,0.3);
    }

    .domino:nth-child(odd) { background: #ff8f60; }
    .domino:nth-child(even) { background: #68b0ff; }
    .domino:nth-child(1) { animation: tip1 3.2s ease-in-out infinite; }
    .domino:nth-child(2) { animation: tip2 3.2s ease-in-out infinite; }
    .domino:nth-child(3) { animation: tip3 3.2s ease-in-out infinite; }
    .domino:nth-child(4) { animation: tip4 3.2s ease-in-out infinite; }
    .domino:nth-child(5) { animation: tip5 3.2s ease-in-out infinite; }
    .domino:nth-child(6) { animation: tip6 3.2s ease-in-out infinite; }
    .domino:nth-child(7) { animation: tip7 3.2s ease-in-out infinite; }
    .domino:nth-child(8) { animation: tip8 3.2s ease-in-out infinite; }
    .domino:nth-child(9) { animation: tip9 3.2s ease-in-out infinite; }

    .domino-hand {
      position: absolute;
      left: 8px;
      bottom: 74px;
      width: 32px;
      height: 12px;
      background: linear-gradient(90deg, #f7d182, #dca24b);
      border-radius: 6px;
      transform-origin: right center;
      animation: handNudge 3.2s ease-in-out infinite;
    }

    @keyframes handNudge {
      0%, 12%, 100% { transform: rotate(0deg) translateX(0); }
      16% { transform: rotate(-12deg) translateX(6px); }
      20% { transform: rotate(0deg) translateX(0); }
    }

    @keyframes tip1 { 0%, 14%, 100% { transform: rotate(0deg); } 20%, 88% { transform: rotate(78deg); } }
    @keyframes tip2 { 0%, 18%, 100% { transform: rotate(0deg); } 24%, 88% { transform: rotate(78deg); } }
    @keyframes tip3 { 0%, 22%, 100% { transform: rotate(0deg); } 28%, 88% { transform: rotate(78deg); } }
    @keyframes tip4 { 0%, 26%, 100% { transform: rotate(0deg); } 32%, 88% { transform: rotate(78deg); } }
    @keyframes tip5 { 0%, 30%, 100% { transform: rotate(0deg); } 36%, 88% { transform: rotate(78deg); } }
    @keyframes tip6 { 0%, 34%, 100% { transform: rotate(0deg); } 40%, 88% { transform: rotate(78deg); } }
    @keyframes tip7 { 0%, 38%, 100% { transform: rotate(0deg); } 44%, 88% { transform: rotate(78deg); } }
    @keyframes tip8 { 0%, 42%, 100% { transform: rotate(0deg); } 48%, 88% { transform: rotate(78deg); } }
    @keyframes tip9 { 0%, 46%, 100% { transform: rotate(0deg); } 52%, 88% { transform: rotate(78deg); } }

    /* ═══════════════════════════════════
       8 ─ BULLDOZER PUSH: dirt mound
       ═══════════════════════════════════ */
    .site-ground {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 52px;
      background: linear-gradient(180deg, #58402a, #3e2d1e);
    }

    .dirt {
      position: absolute;
      bottom: 52px;
      left: -18px;
      width: 64px;
      height: 26px;
      border-radius: 40px 40px 8px 8px;
      background: linear-gradient(180deg, #9b6a3f, #6f4b2c);
      animation: moundMove 4.6s linear infinite;
      z-index: 3;
      transform-origin: left bottom;
    }

    .dirt::before {
      content: '';
      position: absolute;
      left: -10px;
      bottom: 3px;
      width: 18px;
      height: 14px;
      border-radius: 12px 6px 6px 12px;
      background: linear-gradient(180deg, #8e5f38, #694427);
      animation: dirtCompression 4.6s linear infinite;
    }

    .dirt::after {
      content: '';
      position: absolute;
      left: 8px;
      bottom: 18px;
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: #a97545;
      box-shadow: 10px 5px 0 #8e6037, 18px 0 0 #7b512f;
      opacity: 0;
      animation: dirtSpray 4.6s linear infinite;
    }

    .dozer {
      position: absolute;
      bottom: 52px;
      left: -110px;
      width: 92px;
      height: 54px;
      animation: dozerDrive 4.6s linear infinite;
      z-index: 2;
    }

    .dozer::after {
      content: '';
      position: absolute;
      left: 16px;
      bottom: -3px;
      width: 54px;
      height: 4px;
      border-radius: 999px;
      background: rgba(0, 0, 0, 0.24);
      filter: blur(2px);
      animation: dozerShadow 4.6s linear infinite;
    }

    .dozer-body {
      position: absolute;
      top: 6px;
      left: 10px;
      width: 58px;
      height: 26px;
      border-radius: 6px;
      background: #f1a820;
      border: 2px solid #9a6508;
      animation: dozerBounce 0.22s linear infinite;
    }

    .dozer-cabin {
      position: absolute;
      top: -8px;
      left: 34px;
      width: 26px;
      height: 18px;
      border-radius: 4px 4px 2px 2px;
      background: #5fb7db;
      border: 2px solid #2f6786;
      animation: dozerBounce 0.22s linear infinite;
    }

    .dozer-track {
      position: absolute;
      left: 6px;
      bottom: 2px;
      width: 74px;
      height: 14px;
      border-radius: 10px;
      background: #2f2f35;
      border: 2px solid #555;
      overflow: hidden;
    }

    .dozer-track::before {
      content: '';
      position: absolute;
      inset: 3px;
      border-radius: 999px;
      background: repeating-linear-gradient(
        90deg,
        #686868 0 8px,
        #2f2f35 8px 14px
      );
      animation: trackRoll 0.35s linear infinite;
    }

    .dozer-blade {
      position: absolute;
      top: 14px;
      right: -8px;
      width: 18px;
      height: 24px;
      border-radius: 4px;
      background: #d88c0a;
      border: 2px solid #895907;
      transform-origin: left center;
      animation: bladeFlex 4.6s ease-in-out infinite;
    }

    @keyframes dozerDrive {
      0% { left: -110px; }
      100% { left: 108%; }
    }

    @keyframes moundMove {
      0% { left: -8px; }
      100% { left: calc(108% + 102px); }
    }

    @keyframes dozerBounce {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(1px); }
    }

    @keyframes dozerShadow {
      0%, 100% { transform: scaleX(1); opacity: 0.22; }
      50% { transform: scaleX(0.96); opacity: 0.28; }
    }

    @keyframes trackRoll {
      from { transform: translateX(0); }
      to { transform: translateX(-14px); }
    }

    @keyframes bladeFlex {
      0%, 18%, 100% { transform: rotate(0deg) scaleX(1); }
      28%, 84% { transform: rotate(-4deg) scaleX(1.03); }
    }

    @keyframes dirtCompression {
      0%, 18%, 100% { transform: scaleX(1) scaleY(1); }
      28%, 84% { transform: scaleX(1.35) scaleY(0.82); }
    }

    @keyframes dirtSpray {
      0%, 20%, 100% { opacity: 0; transform: translate(0, 0) scale(0.5); }
      30% { opacity: 0.75; transform: translate(8px, -3px) scale(0.8); }
      42% { opacity: 0.55; transform: translate(18px, -9px) scale(1); }
      55% { opacity: 0; transform: translate(28px, -2px) scale(0.7); }
    }

    /* ═══════════════════════════════════
       9 ─ STROLLER PUSH: sidewalk roll
       ═══════════════════════════════════ */
    .walkway {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 48px;
      background: linear-gradient(180deg, #505a66, #39414a);
    }

    .stroller-group {
      position: absolute;
      bottom: 48px;
      left: -140px;
      width: 128px;
      height: 96px;
      animation: stroll 5.4s linear infinite;
    }

    .walker-head {
      position: absolute;
      top: 4px;
      left: 8px;
      width: 16px;
      height: 16px;
      border-radius: 50%;
      background: #ffd18a;
    }

    .walker-body {
      position: absolute;
      top: 20px;
      left: 12px;
      width: 10px;
      height: 34px;
      border-radius: 4px;
      background: #66a86a;
    }

    .walker-arm {
      position: absolute;
      top: 34px;
      left: 18px;
      width: 28px;
      height: 4px;
      border-radius: 2px;
      background: #ffd18a;
      transform: rotate(-14deg);
    }

    .stroller {
      position: absolute;
      top: 24px;
      left: 44px;
      width: 64px;
      height: 44px;
    }

    .stroller-hood {
      position: absolute;
      top: 0;
      left: 10px;
      width: 38px;
      height: 24px;
      border-radius: 18px 18px 4px 4px;
      background: linear-gradient(180deg, #f38e76, #d26952);
      border: 2px solid #8d4030;
    }

    .stroller-base {
      position: absolute;
      top: 22px;
      left: 6px;
      width: 44px;
      height: 16px;
      border-radius: 4px;
      background: #d7dbe3;
      border: 2px solid #8d94a0;
    }

    .stroller-wheel {
      position: absolute;
      bottom: -2px;
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: #2d2f36;
      border: 2px solid #8f95a0;
    }

    .stroller-wheel.sw1 { left: 4px; }
    .stroller-wheel.sw2 { right: 8px; }

    .stroller-wheel::after {
      content: '';
      position: absolute;
      top: 2px;
      left: 2px;
      width: 2px;
      height: 2px;
      border-radius: 50%;
      background: #d9dce2;
      animation: wheelSpin 0.38s linear infinite;
    }

    @keyframes stroll {
      0% { left: -140px; }
      100% { left: 108%; }
    }

    /* ═══════════════════════════════════
       10 ─ PUSH NOTIFICATION: ping pop
       ═══════════════════════════════════ */
    .phone {
      position: absolute;
      top: 26px;
      left: 50%;
      width: 124px;
      height: 198px;
      border-radius: 18px;
      border: 3px solid #7f8da1;
      background: linear-gradient(180deg, #1c293d, #0f1724);
      transform: translateX(-50%);
      box-shadow: inset 0 0 0 2px rgba(255,255,255,0.05);
    }

    .phone::before {
      content: '';
      position: absolute;
      top: 8px;
      left: 50%;
      width: 40px;
      height: 5px;
      border-radius: 3px;
      background: #3e4d62;
      transform: translateX(-50%);
    }

    .phone-screen {
      position: absolute;
      top: 22px;
      left: 10px;
      right: 10px;
      bottom: 10px;
      border-radius: 12px;
      background: linear-gradient(180deg, #17243a, #1e3658);
      overflow: hidden;
    }

    .app-card {
      position: absolute;
      left: 10px;
      right: 10px;
      height: 18px;
      border-radius: 6px;
      background: rgba(255,255,255,0.15);
    }

    .app-card.c1 { top: 14px; }
    .app-card.c2 { top: 40px; }
    .app-card.c3 { top: 66px; }

    .notif {
      position: absolute;
      top: 16px;
      right: 12px;
      width: 84px;
      height: 34px;
      border-radius: 10px;
      background: linear-gradient(90deg, #ff7a60, #ffb24f);
      box-shadow: 0 8px 16px rgba(0,0,0,0.35);
      animation: notifDrop 3s ease-in-out infinite;
    }

    .notif::before {
      content: 'DailyPush';
      position: absolute;
      top: 7px;
      left: 10px;
      font-size: 10px;
      color: #2f1400;
      font-weight: bold;
      letter-spacing: 0.02em;
    }

    .notif-ring {
      position: absolute;
      top: 32px;
      right: 54px;
      width: 18px;
      height: 18px;
      border-radius: 50%;
      border: 2px solid rgba(255, 183, 89, 0.8);
      animation: ringPulse 1.6s ease-out infinite;
    }

    @keyframes notifDrop {
      0%, 100% { transform: translateY(-48px); opacity: 0; }
      20% { transform: translateY(0); opacity: 1; }
      70% { transform: translateY(0); opacity: 1; }
      85% { transform: translateY(-12px); opacity: 0; }
    }

    @keyframes ringPulse {
      0% { transform: scale(0.4); opacity: 0.9; }
      100% { transform: scale(2.4); opacity: 0; }
    }

    /* ────────────────────────────────────
       STAGGER: scenes start at different
       points in their cycle (-ve delay)
    ──────────────────────────────────── */
    .scenes .scene:nth-child(1) .sisyphus-group { animation-delay: -1.2s; }
    .scenes .scene:nth-child(1) .rock           { animation-delay: -1.2s; }
    .scenes .scene:nth-child(2) .envelope       { animation-delay: -0.8s; }
    .scenes .scene:nth-child(3) .pushup-figure  { animation-delay: -0.5s; }
    .scenes .scene:nth-child(4) .cart-group     { animation-delay: -1.8s; }
    .scenes .scene:nth-child(5) .btn-dome,
    .scenes .scene:nth-child(5) .btn-finger,
    .scenes .scene:nth-child(5) .btn-sparkle    { animation-delay: -0.7s; }
    .scenes .scene:nth-child(6) .swing-rope-group { animation-delay: -1.1s; }
    .scenes .scene:nth-child(7) .domino-hand    { animation-delay: -0.9s; }
    .scenes .scene:nth-child(8) .dozer,
    .scenes .scene:nth-child(8) .dirt           { animation-delay: -2.3s; }
    .scenes .scene:nth-child(8) .dozer::after,
    .scenes .scene:nth-child(8) .dirt::before,
    .scenes .scene:nth-child(8) .dirt::after    { animation-delay: -2.3s; }
    .scenes .scene:nth-child(9) .stroller-group { animation-delay: -2.8s; }
    .scenes .scene:nth-child(10) .notif,
    .scenes .scene:nth-child(10) .notif-ring    { animation-delay: -1.6s; }
    .scenes .scene:nth-child(11) .shovel-group,
    .scenes .scene:nth-child(11) .snow-pile     { animation-delay: -1.9s; }
    .scenes .scene:nth-child(12) .mower-group,
    .scenes .scene:nth-child(12) .lawn-cut      { animation-delay: -3.1s; }
    .scenes .scene:nth-child(13) .elev-door-l,
    .scenes .scene:nth-child(13) .elev-door-r,
    .scenes .scene:nth-child(13) .elev-btn.active,
    .scenes .scene:nth-child(13) .elev-finger   { animation-delay: -1.3s; }
    .scenes .scene:nth-child(14) .pawn-group,
    .scenes .scene:nth-child(14) .pawn-hand     { animation-delay: -2.0s; }

    /* ═══════════════════════════════════
       11 ─ SNOW SHOVEL PUSH
       ═══════════════════════════════════ */
    .snow-sky {
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, #7aacc8, #c4dff0);
    }

    .snow-ground {
      position: absolute;
      bottom: 0; left: 0; right: 0;
      height: 62px;
      background: linear-gradient(180deg, #eaf5ff, #d0eaf8);
    }

    .snow-ground::before {
      content: '';
      position: absolute;
      top: -12px; left: 0; right: 0;
      height: 20px;
      background: #f4faff;
      border-radius: 50%;
    }

    .shovel-group {
      position: absolute;
      bottom: 62px;
      width: 88px; height: 110px;
      animation: shovelWalk 5.4s linear infinite;
    }

    .shoveler-head {
      position: absolute;
      top: 0; left: 10px;
      width: 18px; height: 18px;
      border-radius: 50%;
      background: #f5c886;
    }

    .shoveler-head::after {
      content: '';
      position: absolute;
      top: 4px; right: -9px;
      width: 7px; height: 7px;
      border-radius: 50%;
      background: rgba(255,255,255,0.82);
      animation: breathPuff 1.8s ease-out infinite;
    }

    .shoveler-body {
      position: absolute;
      top: 18px; left: 14px;
      width: 10px; height: 30px;
      background: #3a5fa0;
      border-radius: 3px;
    }

    .shoveler-arm {
      position: absolute;
      top: 26px; left: 10px;
      width: 36px; height: 5px;
      background: #f5c886;
      border-radius: 2px;
      transform: rotate(-22deg);
      transform-origin: right center;
    }

    .shovel-handle {
      position: absolute;
      top: 14px; right: 6px;
      width: 5px; height: 64px;
      background: #c08050;
      border-radius: 2px;
      transform: rotate(-8deg);
      transform-origin: bottom center;
    }

    .shovel-blade {
      position: absolute;
      bottom: 20px; right: -10px;
      width: 34px; height: 14px;
      background: linear-gradient(90deg, #c6cacf, #979ba0);
      border-radius: 2px 6px 6px 2px;
      border: 1.5px solid #797d82;
    }

    .snow-pile {
      position: absolute;
      bottom: 22px; right: -46px;
      width: 50px; height: 22px;
      border-radius: 50% 50% 8px 8px;
      background: linear-gradient(180deg, #f8fdff, #d6ecf8);
      animation: snowSquish 5.4s ease-in-out infinite;
    }

    @keyframes shovelWalk {
      0%   { left: -110px; }
      100% { left: 110%; }
    }

    @keyframes snowSquish {
      0%, 100% { transform: scaleX(1) scaleY(1); }
      40%, 60% { transform: scaleX(1.14) scaleY(0.84); }
    }

    @keyframes breathPuff {
      0%   { opacity: 0; transform: scale(0.4) translate(0, 0); }
      35%  { opacity: 0.85; transform: scale(1) translate(4px, -3px); }
      100% { opacity: 0; transform: scale(1.9) translate(11px, -9px); }
    }

    /* ═══════════════════════════════════
       12 ─ LAWNMOWER PUSH
       ═══════════════════════════════════ */
    .lawn-sky {
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, #3da0d8, #8ed3ee);
    }

    .lawn-sun {
      position: absolute;
      top: 18px; right: 28px;
      width: 36px; height: 36px;
      border-radius: 50%;
      background: radial-gradient(circle at 40% 38%, #fff7a0, #ffd740);
      box-shadow: 0 0 0 6px rgba(255,215,64,0.18), 0 0 0 14px rgba(255,215,64,0.08);
      animation: sunPulse 4s ease-in-out infinite;
      z-index: 1;
    }

    @keyframes sunPulse {
      0%, 100% { box-shadow: 0 0 0 6px rgba(255,215,64,0.18), 0 0 0 14px rgba(255,215,64,0.08); }
      50%      { box-shadow: 0 0 0 10px rgba(255,215,64,0.22), 0 0 0 22px rgba(255,215,64,0.10); }
    }

    .lawn-ground {
      position: absolute;
      bottom: 0; left: 0; right: 0;
      height: 64px;
      background: linear-gradient(180deg, #4caf50, #2e7d32);
    }

    .lawn-ground::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 10px;
      background: repeating-linear-gradient(
        90deg,
        #66bb6a 0 18px,
        #43a047 18px 36px
      );
    }

    /* tall uncut grass strips — sit above ground, clipped by scene overflow:hidden */
    .tall-grass {
      position: absolute;
      bottom: 64px;
      left: 0; right: 0;
      height: 40px;
      z-index: 2;
    }

    .tg {
      position: absolute;
      bottom: 0;
      width: 5px;
      border-radius: 2px 2px 0 0;
      background: linear-gradient(180deg, #81c784, #388e3c);
      transform-origin: bottom center;
    }

    /* heights, positions, and per-blade cut delays.
       grassSway uses CSS `rotate` property; grassCut uses `scale` — they compose independently.
       Cut delay timed so the mower front (group+70px) passes each blade's left% in the 5.2s cycle. */
    .tg1  { left: 52%;  height: 32px; animation: grassSway 1.8s ease-in-out infinite alternate, grassCut 5.2s linear infinite; animation-delay: 0s,    -1.47s; }
    .tg2  { left: 55%;  height: 26px; animation: grassSway 1.8s ease-in-out infinite alternate, grassCut 5.2s linear infinite; animation-delay: .15s,  -1.36s; }
    .tg3  { left: 58%;  height: 36px; animation: grassSway 1.8s ease-in-out infinite alternate, grassCut 5.2s linear infinite; animation-delay: .3s,   -1.25s; }
    .tg4  { left: 61%;  height: 22px; animation: grassSway 1.8s ease-in-out infinite alternate, grassCut 5.2s linear infinite; animation-delay: .08s,  -1.15s; }
    .tg5  { left: 64%;  height: 30px; animation: grassSway 1.8s ease-in-out infinite alternate, grassCut 5.2s linear infinite; animation-delay: .42s,  -1.04s; }
    .tg6  { left: 67%;  height: 28px; animation: grassSway 1.8s ease-in-out infinite alternate, grassCut 5.2s linear infinite; animation-delay: .22s,  -0.94s; }
    .tg7  { left: 70%;  height: 34px; animation: grassSway 1.8s ease-in-out infinite alternate, grassCut 5.2s linear infinite; animation-delay: .55s,  -0.83s; }
    .tg8  { left: 73%;  height: 24px; animation: grassSway 1.8s ease-in-out infinite alternate, grassCut 5.2s linear infinite; animation-delay: .12s,  -0.72s; }
    .tg9  { left: 76%;  height: 30px; animation: grassSway 1.8s ease-in-out infinite alternate, grassCut 5.2s linear infinite; animation-delay: .36s,  -0.62s; }
    .tg10 { left: 79%;  height: 20px; animation: grassSway 1.8s ease-in-out infinite alternate, grassCut 5.2s linear infinite; animation-delay: .48s,  -0.51s; }
    .tg11 { left: 82%;  height: 36px; animation: grassSway 1.8s ease-in-out infinite alternate, grassCut 5.2s linear infinite; animation-delay: .06s,  -0.41s; }
    .tg12 { left: 85%;  height: 26px; animation: grassSway 1.8s ease-in-out infinite alternate, grassCut 5.2s linear infinite; animation-delay: .28s,  -0.31s; }

    /* `rotate` property is independent from `transform` so sway+cut compose cleanly */
    @keyframes grassSway {
      0%   { rotate: -4deg; }
      100% { rotate:  4deg; }
    }

    @keyframes grassCut {
      0%, 74%   { scale: 1 1; opacity: 1; }
      80%, 100% { scale: 1 0; opacity: 0; }
    }

    .lawn-cut {
      position: absolute;
      bottom: 64px; left: 0;
      height: 10px;
      width: 0;
      background: #81c784;
      animation: cutExpand 5.2s linear infinite;
    }

    .mower-group {
      position: absolute;
      bottom: 64px;
      width: 90px; height: 92px;
      animation: mowerWalk 5.2s linear infinite;
      z-index: 3;
    }

    .mower-person-head {
      position: absolute;
      top: 0; left: 0;
      width: 16px; height: 16px;
      border-radius: 50%;
      background: #f5c886;
    }

    .mower-person-body {
      position: absolute;
      top: 16px; left: 4px;
      width: 10px; height: 28px;
      border-radius: 3px;
      background: #ef6c00;
    }

    .mower-person-arm {
      position: absolute;
      top: 22px; left: 8px;
      width: 28px; height: 5px;
      background: #f5c886;
      border-radius: 2px;
      transform: rotate(-10deg);
    }

    .mower-leg {
      position: absolute;
      bottom: 14px;
      width: 5px; height: 18px;
      background: #5c6bc0;
      border-radius: 2px;
      transform-origin: top center;
    }

    .mower-leg.ml1 { left: 6px;  animation: legSwingA 0.55s ease-in-out infinite alternate; }
    .mower-leg.ml2 { left: 14px; animation: legSwingB 0.55s ease-in-out infinite alternate; }

    @keyframes legSwingA {
      0%   { transform: rotate(-22deg); }
      100% { transform: rotate(18deg); }
    }

    @keyframes legSwingB {
      0%   { transform: rotate(18deg); }
      100% { transform: rotate(-22deg); }
    }

    .mower-body {
      position: absolute;
      bottom: 14px; left: 14px;
      width: 56px; height: 22px;
      border-radius: 6px;
      background: linear-gradient(180deg, #e53935, #b71c1c);
      border: 2px solid #7f0000;
      animation: mowerBounce 0.28s ease-in-out infinite;
      overflow: hidden;
    }

    .mower-blade-spin {
      position: absolute;
      bottom: 2px; left: 50%;
      width: 38px; height: 5px;
      background: linear-gradient(90deg, rgba(200,200,200,0.6), rgba(255,255,255,0.9), rgba(200,200,200,0.6));
      border-radius: 999px;
      transform: translateX(-50%);
      animation: bladeSpin 0.09s linear infinite;
      transform-origin: center center;
    }

    @keyframes mowerBounce {
      0%, 100% { transform: translateY(0); }
      50%       { transform: translateY(-1.5px); }
    }

    @keyframes bladeSpin {
      from { transform: translateX(-50%) rotate(0deg); }
      to   { transform: translateX(-50%) rotate(360deg); }
    }

    .mower-exhaust {
      position: absolute;
      bottom: 34px; left: 16px;
      width: 9px; height: 9px;
      border-radius: 50%;
      background: rgba(155,155,155,0.5);
    }

    .mower-exhaust.me1 { animation: exhaustPuff 0.65s ease-out infinite 0s; }
    .mower-exhaust.me2 { animation: exhaustPuff 0.65s ease-out infinite 0.32s; opacity: 0.7; }

    .mower-handle {
      position: absolute;
      bottom: 30px; left: 16px;
      width: 4px; height: 44px;
      background: #888;
      border-radius: 2px;
      transform: rotate(18deg);
      transform-origin: bottom center;
    }

    .mower-shadow {
      position: absolute;
      bottom: -6px; left: 10px;
      width: 60px; height: 7px;
      border-radius: 50%;
      background: rgba(0,0,0,0.22);
      filter: blur(3px);
      animation: mowerShadow 0.28s ease-in-out infinite;
    }

    @keyframes mowerShadow {
      0%, 100% { transform: scaleX(1);   opacity: 0.22; }
      50%       { transform: scaleX(0.96); opacity: 0.28; }
    }

    .mower-wheel {
      position: absolute;
      bottom: 0;
      width: 14px; height: 14px;
      border-radius: 50%;
      background: #2a2a2a;
      border: 2px solid #666;
    }

    .mower-wheel.mw1 { left: 14px; }
    .mower-wheel.mw2 { right: 10px; }

    .mower-wheel::after {
      content: '';
      position: absolute;
      top: 3px; left: 3px;
      width: 2px; height: 2px;
      border-radius: 50%;
      background: #bbb;
      animation: wheelSpin 0.3s linear infinite;
    }

    .grass-bit {
      position: absolute;
      width: 3px; height: 10px;
      background: #a5d6a7;
      border-radius: 2px;
      bottom: 30px;
      opacity: 0;
    }

    .grass-bit.g1 { left: 40px; animation: grassFly 0.8s ease-out infinite 0s; }
    .grass-bit.g2 { left: 50px; animation: grassFly 0.8s ease-out infinite 0.22s; transform: rotate(12deg); }
    .grass-bit.g3 { left: 34px; animation: grassFly 0.8s ease-out infinite 0.44s; transform: rotate(-10deg); }
    .grass-bit.g4 { left: 44px; width: 2px; height: 7px; animation: grassFly 0.8s ease-out infinite 0.6s; transform: rotate(25deg); }
    .grass-bit.g5 { left: 56px; width: 2px; height: 8px; animation: grassFly 0.8s ease-out infinite 0.1s; transform: rotate(-18deg); }

    @keyframes mowerWalk {
      0%   { left: -120px; }
      100% { left: 110%; }
    }

    @keyframes cutExpand {
      0%   { width: 0; }
      100% { width: 110%; }
    }

    @keyframes exhaustPuff {
      0%   { opacity: 0; transform: translate(0, 0) scale(0.5); }
      35%  { opacity: 0.55; transform: translate(-1px, -7px) scale(1); }
      100% { opacity: 0; transform: translate(-3px, -20px) scale(1.9); }
    }

    @keyframes grassFly {
      0%   { opacity: 0; transform: translate(0, 0) rotate(0deg); }
      15%  { opacity: 1; }
      100% { opacity: 0; transform: translate(16px, -28px) rotate(90deg); }
    }

    /* ═══════════════════════════════════
       13 ─ ELEVATOR BUTTON PUSH
       ═══════════════════════════════════ */
    .elevator-bg {
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, #c8b89a, #a08068);
    }

    .elevator-shaft {
      position: absolute;
      top: 22px; left: 50%;
      transform: translateX(-50%);
      width: 140px; height: 188px;
    }

    .elev-inside {
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, #3a2a1c, #6a4830, #3a2a1c);
      z-index: 0;
    }

    .elev-door-l, .elev-door-r {
      position: absolute;
      top: 0;
      width: 70px; height: 188px;
      background: linear-gradient(170deg, #9a8a78, #6e5e4e);
      border: 1px solid #3a2a1a;
      z-index: 2;
    }

    .elev-door-l {
      left: 0;
      transform-origin: left center;
      animation: doorOpenL 5s ease-in-out infinite;
    }

    .elev-door-r {
      right: 0;
      transform-origin: right center;
      animation: doorOpenR 5s ease-in-out infinite;
    }

    .elev-door-l::after {
      content: '';
      position: absolute;
      top: 0; bottom: 0; right: 8px;
      width: 3px;
      background: linear-gradient(180deg, rgba(255,255,255,0.2), transparent, rgba(255,255,255,0.1));
    }

    .elev-door-r::after {
      content: '';
      position: absolute;
      top: 0; bottom: 0; left: 8px;
      width: 3px;
      background: linear-gradient(180deg, rgba(255,255,255,0.2), transparent, rgba(255,255,255,0.1));
    }

    .elev-panel {
      position: absolute;
      top: 52px; right: -40px;
      width: 30px;
      background: #5a4a3a;
      border: 2px solid #3a2a1a;
      border-radius: 5px;
      padding: 8px 4px;
      display: flex;
      flex-direction: column;
      gap: 8px;
      align-items: center;
      z-index: 10;
    }

    .elev-btn {
      width: 14px; height: 14px;
      border-radius: 50%;
      background: #3a2a1a;
      border: 1.5px solid #7a6a5a;
    }

    .elev-btn.active {
      animation: btnLight 5s ease-in-out infinite;
    }

    .elev-finger {
      position: absolute;
      top: 56px; right: -70px;
      width: 14px; height: 38px;
      background: linear-gradient(180deg, #ffd18a, #e8a840);
      border-radius: 7px 7px 3px 3px;
      z-index: 12;
      animation: elevFingerPush 5s ease-in-out infinite;
    }

    @keyframes doorOpenL {
      0%, 12%, 90%, 100% { transform: scaleX(1); }
      26%, 76% { transform: scaleX(0.06); }
    }

    @keyframes doorOpenR {
      0%, 12%, 90%, 100% { transform: scaleX(1); }
      26%, 76% { transform: scaleX(0.06); }
    }

    @keyframes btnLight {
      0%, 10%, 82%, 100% { background: #3a2a1a; box-shadow: none; }
      18%, 78% { background: #f0c040; box-shadow: 0 0 8px 2px rgba(240,192,64,0.55); }
    }

    @keyframes elevFingerPush {
      0%, 8%, 24%, 100% { transform: translateX(0); }
      15% { transform: translateX(16px); }
    }

    /* ═══════════════════════════════════
       14 ─ CHESS PAWN PUSH
       ═══════════════════════════════════ */
    .chess-board {
      position: absolute;
      inset: 0;
      display: flex;
      flex-direction: column;
    }

    .chess-row {
      flex: 1;
      display: flex;
    }

    .chess-sq {
      flex: 1;
      background: #f0d9b5;
    }

    .chess-row:nth-child(odd)  .chess-sq:nth-child(even),
    .chess-row:nth-child(even) .chess-sq:nth-child(odd) {
      background: #b58863;
    }

    .pawn-group {
      position: absolute;
      bottom: 30%;
      display: flex;
      align-items: flex-end;
      animation: pawnAdvance 4.2s ease-in-out infinite;
    }

    .pawn {
      display: flex;
      flex-direction: column;
      align-items: center;
      filter: drop-shadow(0 4px 5px rgba(0,0,0,0.28));
    }

    .pawn-head {
      width: 22px; height: 22px;
      border-radius: 50%;
      background: radial-gradient(circle at 38% 32%, #faf6f0, #c2baa8);
      border: 1.5px solid #88806e;
    }

    .pawn-neck {
      width: 10px; height: 7px;
      background: linear-gradient(180deg, #ddd8cc, #b2aea2);
      border-radius: 1px;
    }

    .pawn-body {
      width: 28px; height: 14px;
      background: linear-gradient(180deg, #d6d2c6, #aeaa9e);
      border-radius: 4px;
    }

    .pawn-base {
      width: 36px; height: 8px;
      background: linear-gradient(180deg, #c6c2b6, #a2a098);
      border-radius: 3px;
    }

    .pawn-shadow {
      width: 30px; height: 4px;
      border-radius: 50%;
      background: rgba(0,0,0,0.18);
      margin-top: 2px;
      filter: blur(1.5px);
    }

    .pawn-hand {
      position: absolute;
      bottom: 24px; left: -26px;
      width: 26px; height: 10px;
      background: linear-gradient(90deg, #ffd18a, #e8a840);
      border-radius: 5px;
      animation: pawnHandPush 4.2s ease-in-out infinite;
    }

    @keyframes pawnAdvance {
      0%   { left: 6%; }
      78%  { left: 72%; }
      86%  { left: 72%; opacity: 1; }
      92%  { opacity: 0; }
      93%  { left: 6%; opacity: 0; }
      100% { left: 6%; opacity: 1; }
    }

    @keyframes pawnHandPush {
      0%, 85%, 100% { transform: translateX(0); }
      10%, 72%      { transform: translateX(5px); }
    }

    /* ─────────────────────────────────────
       ACCESSIBILITY: prefers-reduced-motion
    ───────────────────────────────────── */
    @media (prefers-reduced-motion: reduce) {
      *,
      *::before,
      *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
      }
    }