:root {
      color-scheme: light;
      --red: #e30000;
      --red-soft: #ff3b30;
      --blue: #2f6fbf;
      --blue-2: #4a84c6;
      --blue-soft: #ebf2fa;
      --ink: #05070a;
      --muted: #606772;
      --quiet: #d4d4d4;
      --line: rgba(5, 7, 10, .1);
      --glass: rgba(255, 255, 255, .7);
      --shadow: 0 28px 90px rgba(15, 23, 42, .16);
      --radius: 8px;
      --ease: cubic-bezier(.2, .8, .2, 1);
      --stage-w: min(calc(100vw - 48px), calc((100dvh - 126px) * 16 / 9));
      --stage-h: calc(var(--stage-w) * 9 / 16);
    }

    @supports not (height: 100dvh) {
      :root {
        --stage-w: min(calc(100vw - 48px), calc((100vh - 126px) * 16 / 9));
      }
    }

    @media (min-width: 1280px) {
      :root {
        --stage-w: min(calc(100vw - clamp(160px, 12vw, 360px)), calc((100dvh - 126px) * 16 / 9), 2200px);
      }
    }

    @media (min-width: 1280px) {
      @supports not (height: 100dvh) {
        :root {
          --stage-w: min(calc(100vw - clamp(160px, 12vw, 360px)), calc((100vh - 126px) * 16 / 9), 2200px);
        }
      }
    }

    * {
      box-sizing: border-box;
    }

    html,
    body {
      width: 100%;
      height: 100%;
      margin: 0;
      overflow: hidden;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", Inter, "Segoe UI", Arial, sans-serif;
      color: var(--ink);
      background:
        linear-gradient(135deg, #eef6ff 0%, #f8fbff 48%, #fff5f3 100%);
      letter-spacing: 0;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background-image:
        linear-gradient(rgba(5, 7, 10, .035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(5, 7, 10, .035) 1px, transparent 1px);
      background-size: 56px 56px;
      mask-image: linear-gradient(to bottom, transparent, #000 12%, #000 88%, transparent);
    }

    a,
    button {
      font: inherit;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    .shell {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-rows: 58px var(--stage-h) 58px;
      gap: 14px;
      width: 100vw;
      height: 100dvh;
      place-content: center;
      padding: 14px 32px;
    }

    .topbar,
    .controls,
    .stage-wrap {
      width: var(--stage-w);
      margin: 0 auto;
    }

    .topbar,
    .controls {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
    }

    .mark {
      display: grid;
      place-items: center;
      width: 42px;
      height: 42px;
      border-radius: 8px;
      background: var(--red-soft);
      color: #fff;
      font-weight: 900;
      box-shadow: 0 16px 34px rgba(227, 0, 0, .22);
    }

    .brand-title {
      font-size: 15px;
      font-weight: 900;
      line-height: 1.05;
    }

    .brand-subtitle,
    .tiny-meta {
      color: var(--muted);
      font-size: 12px;
      font-weight: 700;
    }

    .stage-wrap {
      height: var(--stage-h);
    }

    .stage {
      position: relative;
      width: 100%;
      height: 100%;
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, .85);
      border-radius: var(--radius);
      background: #fff;
      box-shadow: var(--shadow);
      cursor: pointer;
      isolation: isolate;
    }

    .stage::before,
    .stage::after {
      content: "";
      position: absolute;
      z-index: -1;
      pointer-events: none;
    }

    .stage::before {
      inset: 0;
      background:
        linear-gradient(115deg, rgba(255, 255, 255, .97), rgba(255, 255, 255, .9)),
        repeating-linear-gradient(135deg, rgba(47, 111, 191, .05) 0 1px, transparent 1px 34px);
    }

    .stage::after {
      right: -8%;
      top: -20%;
      width: 54%;
      height: 140%;
      border: 2px solid rgba(5, 7, 10, .08);
      border-radius: 120px;
      transform: rotate(-30deg);
      box-shadow:
        -180px 220px 0 -8px rgba(5, 7, 10, .035),
        -40px 510px 0 -18px rgba(5, 7, 10, .035);
    }

    .slide {
      position: absolute;
      inset: 0;
      display: grid;
      grid-template-rows: auto minmax(0, 1fr) auto;
      gap: 22px;
      padding: 44px 52px 30px;
      animation: slideIn 300ms var(--ease) both;
    }

    @keyframes slideIn {
      from {
        opacity: 0;
        transform: translateY(10px) scale(.992);
      }
      to {
        opacity: 1;
        transform: none;
      }
    }

    .slide-top {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 24px;
    }

    .eyebrow {
      display: flex;
      align-items: center;
      gap: 14px;
      color: var(--quiet);
      font-size: 24px;
      font-weight: 900;
      line-height: 1;
    }

    .eyebrow::before {
      content: "";
      width: 112px;
      height: 8px;
      background: var(--red);
    }

    .poster,
    .cover-poster {
      min-height: 0;
      display: grid;
      grid-template-columns: minmax(0, 1.04fr) minmax(360px, .86fr);
      gap: 34px;
      align-items: stretch;
    }

    .cover-poster {
      grid-template-columns: minmax(0, .9fr) minmax(430px, 1.1fr);
      gap: clamp(18px, calc(var(--stage-w) * .026), 44px);
    }

    .copy {
      min-width: 0;
      align-self: center;
      padding-bottom: 28px;
    }

    .cover-copy {
      display: grid;
      align-content: center;
      gap: 22px;
      min-width: 0;
    }

    h1 {
      max-width: 920px;
      margin: 0;
      color: #000;
      font-size: 88px;
      line-height: .98;
      font-weight: 950;
      letter-spacing: 0;
    }

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

    .lead {
      max-width: 760px;
      margin: 30px 0 0;
      color: #000;
      font-size: 34px;
      line-height: 1.16;
      font-weight: 850;
      letter-spacing: 0;
    }

    .sublead {
      max-width: 780px;
      margin: 20px 0 0;
      color: #555c66;
      font-size: 24px;
      line-height: 1.22;
      font-weight: 700;
      letter-spacing: 0;
    }

    .cover-lead {
      max-width: 780px;
      margin: 0;
      color: #000;
      font-size: 31px;
      line-height: 1.14;
      font-weight: 850;
    }

    .cover-copy h1 {
      font-size: 86px;
    }

    .story-prompt {
      margin: 8px 0 0;
      color: #555c66;
      font-size: 22px;
      line-height: 1.16;
      font-weight: 850;
    }

    .topics-body {
      align-self: center;
      display: grid;
      gap: 24px;
      min-width: 0;
    }

    .topics-title {
      margin: 0;
      color: #555c66;
      font-size: 30px;
      line-height: 1.04;
      font-weight: 950;
      letter-spacing: 0;
    }

    .topic-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
      max-width: 820px;
    }

    .topics-grid {
      max-width: none;
      width: 100%;
      gap: 14px;
    }

    .topics-grid .topic-card {
      min-height: 126px;
      padding: 20px 24px;
    }

    .topics-grid .topic-card strong {
      font-size: 36px;
    }

    .topics-grid .topic-card span {
      max-width: 390px;
      font-size: 19px;
    }

    .topic-card {
      position: relative;
      overflow: hidden;
      display: grid;
      grid-template-columns: minmax(0, 1fr) 64px;
      gap: 14px;
      align-items: center;
      min-height: 112px;
      padding: 14px 16px;
      border-radius: var(--radius);
      background: rgba(235, 242, 250, .82);
      border: 1px solid rgba(47, 111, 191, .16);
      box-shadow: 0 14px 32px rgba(47, 111, 191, .09);
      cursor: pointer;
      transition: transform 180ms var(--ease), border-color 180ms var(--ease), box-shadow 180ms var(--ease);
    }

    .topic-card.is-default {
      border-color: rgba(47, 111, 191, .34);
      animation: topicHint 3600ms var(--ease) 800ms infinite;
    }

    @keyframes topicHint {
      0%,
      64%,
      100% {
        border-color: rgba(47, 111, 191, .16);
        box-shadow: 0 14px 32px rgba(47, 111, 191, .09);
      }

      10% {
        border-color: rgba(47, 111, 191, .36);
        box-shadow: 0 20px 42px rgba(47, 111, 191, .16);
      }
    }

    .topic-card:hover,
    .topic-card:focus-visible {
      animation-play-state: paused;
      border-color: rgba(47, 111, 191, .44);
      box-shadow: 0 18px 38px rgba(47, 111, 191, .16);
      transform: translateY(-2px);
      outline: none;
    }

    .topic-card.is-default:hover,
    .topic-card.is-default:focus-visible {
      animation: none;
      border-color: rgba(47, 111, 191, .44);
      box-shadow: 0 18px 38px rgba(47, 111, 191, .16);
    }

    .topic-card::after {
      content: "";
      position: absolute;
      right: -26px;
      bottom: -32px;
      width: 112px;
      height: 112px;
      border-radius: 50%;
      background: rgba(47, 111, 191, .08);
      pointer-events: none;
    }

    .topic-card.is-default::before {
      content: "";
      position: absolute;
      inset: 0;
      border-radius: inherit;
      background: linear-gradient(110deg, transparent 12%, rgba(255, 255, 255, .72) 38%, transparent 64%);
      opacity: 0;
      transform: translateX(-70%);
      pointer-events: none;
      animation: topicInviteSheen 3600ms var(--ease) 800ms infinite;
    }

    .topic-card.is-default:hover::before,
    .topic-card.is-default:focus-visible::before {
      animation: none;
      opacity: 0;
    }

    @keyframes topicInviteSheen {
      0%,
      18%,
      100% {
        opacity: 0;
        transform: translateX(-70%);
      }

      8% {
        opacity: .78;
      }

      16% {
        opacity: 0;
        transform: translateX(70%);
      }
    }

    .topic-copy {
      position: relative;
      z-index: 1;
      min-width: 0;
    }

    .topic-card strong {
      display: block;
      color: var(--blue);
      font-size: 29px;
      line-height: .98;
      font-weight: 950;
    }

    .topic-card strong.topic-metric {
      display: inline-flex;
      align-items: baseline;
      gap: 12px;
      flex-wrap: wrap;
    }

    .topic-card strong.topic-metric s {
      color: #8b95a1;
      font-size: .58em;
      line-height: 1;
      font-weight: 900;
      text-decoration-color: var(--red);
      text-decoration-thickness: 2px;
    }

    .topic-card span {
      display: block;
      margin-top: 7px;
      color: #1f2937;
      font-size: 16px;
      line-height: 1.12;
      font-weight: 820;
    }

    .topic-icon {
      position: relative;
      z-index: 1;
      display: grid;
      place-items: center;
      width: 64px;
      height: 64px;
      border-radius: 50%;
      background: #fff;
      color: var(--red-soft);
      border: 1px solid rgba(255, 59, 48, .22);
      box-shadow: 0 16px 32px rgba(227, 0, 0, .12);
      animation: topicIconHint 3600ms var(--ease) infinite;
    }

    .topics-grid .topic-card:nth-child(2) .topic-icon {
      animation-delay: 180ms;
    }

    .topics-grid .topic-card:nth-child(3) .topic-icon {
      animation-delay: 360ms;
    }

    .topics-grid .topic-card:nth-child(4) .topic-icon {
      animation-delay: 540ms;
    }

    .topics-grid .topic-card:nth-child(5) .topic-icon {
      animation-delay: 720ms;
    }

    .topics-grid.has-five-topics {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .topics-grid.has-five-topics .topic-card {
      min-height: 132px;
    }

    .topics-grid.has-five-topics .topic-card strong {
      font-size: 31px;
    }

    .topics-grid.has-five-topics .topic-card span {
      max-width: none;
    }

    @keyframes topicIconHint {
      0%,
      68%,
      100% {
        transform: none;
      }

      10% {
        transform: scale(1.05);
      }
    }

    .topic-icon svg {
      width: 35px;
      height: 35px;
      stroke: currentColor;
      stroke-width: 2.7;
      stroke-linecap: round;
      stroke-linejoin: round;
      fill: none;
    }

    .visual {
      position: relative;
      min-height: 0;
      display: grid;
      place-items: center;
      border-radius: var(--radius);
      overflow: hidden;
    }

    .cover-poster .visual {
      overflow: visible;
    }

    .photo-card {
      position: relative;
      width: 100%;
      height: 100%;
      min-height: 410px;
      overflow: hidden;
      border-radius: var(--radius);
      background: #f3f7fb;
      box-shadow: 0 18px 50px rgba(15, 23, 42, .12);
    }

    .photo-card img {
      display: block;
      width: 100%;
      height: 100%;
      object-fit: cover;
      filter: saturate(1.03) contrast(1.02);
    }

    .photo-card::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 48%, rgba(0, 0, 0, .42));
      pointer-events: none;
    }

    .visual-label {
      position: absolute;
      left: 22px;
      right: 22px;
      bottom: 20px;
      z-index: 1;
      color: #fff;
      font-size: 22px;
      line-height: 1.12;
      font-weight: 900;
      text-shadow: 0 2px 14px rgba(0, 0, 0, .45);
    }

    .app-slider-wrap {
      --hero-stack-h: clamp(350px, calc(var(--stage-h) * .64), 590px);
      --hero-phone-w: calc(var(--hero-stack-h) * 9 / 20);
      --hero-list-w: clamp(244px, calc(var(--hero-stack-h) * .7), 420px);
      --hero-group-gap: clamp(22px, calc(var(--stage-w) * .03), 52px);
      --hero-title-gap: clamp(7px, calc(var(--hero-stack-h) * .018), 11px);
      --hero-module-gap: clamp(4px, calc(var(--hero-stack-h) * .012), 8px);
      --hero-module-h: calc((var(--hero-stack-h) - (9 * var(--hero-module-gap))) / 10);
      --hero-icon-size: calc(var(--hero-module-h) - 8px);
      position: relative;
      display: grid;
      grid-template-columns: var(--hero-list-w) var(--hero-phone-w);
      align-items: end;
      align-content: center;
      justify-content: center;
      gap: var(--hero-group-gap);
      width: 100%;
      height: 100%;
      min-height: 0;
    }

    .app-slider-glow {
      position: absolute;
      inset: 11% 5%;
      border-radius: 50%;
      background: rgba(47, 111, 191, .18);
      filter: blur(36px);
      pointer-events: none;
    }

    .app-includes {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-rows: auto var(--hero-stack-h);
      gap: var(--hero-title-gap);
      width: var(--hero-list-w);
      min-width: 0;
      align-self: end;
    }

    .app-includes-title {
      color: #111827;
      font-size: clamp(15px, calc(var(--hero-module-h) * .42), 22px);
      line-height: 1.1;
      font-weight: 950;
      white-space: nowrap;
    }

    .app-module-stack {
      display: grid;
      grid-template-rows: repeat(10, var(--hero-module-h));
      gap: var(--hero-module-gap);
      width: 100%;
      height: var(--hero-stack-h);
      min-height: 0;
    }

    .app-module {
      position: relative;
      overflow: hidden;
      display: grid;
      grid-template-columns: var(--hero-icon-size) minmax(0, 1fr);
      align-items: center;
      gap: clamp(7px, calc(var(--hero-module-h) * .22), 12px);
      min-height: var(--hero-module-h);
      height: var(--hero-module-h);
      padding: 0 clamp(9px, calc(var(--hero-module-h) * .28), 15px);
      border-radius: var(--radius);
      background: rgba(255, 255, 255, .78);
      border: 1px solid rgba(47, 111, 191, .16);
      color: #1f2937;
      font-size: clamp(13px, calc(var(--hero-module-h) * .36), 18px);
      line-height: 1.12;
      font-weight: 850;
      font-family: inherit;
      text-align: left;
      box-shadow: 0 10px 24px rgba(47, 111, 191, .09);
      backdrop-filter: blur(16px) saturate(1.35);
      -webkit-backdrop-filter: blur(16px) saturate(1.35);
      appearance: none;
      cursor: pointer;
      transition:
        background 260ms var(--ease),
        border-color 260ms var(--ease),
        box-shadow 260ms var(--ease),
        color 260ms var(--ease),
        opacity 260ms var(--ease);
    }

    .app-module:not(.is-active) {
      opacity: .82;
    }

    .app-module.is-active {
      z-index: 3;
      color: #075ca8;
      background: rgba(235, 242, 250, .97);
      border-color: rgba(47, 111, 191, .44);
      box-shadow: 0 18px 38px rgba(47, 111, 191, .2);
    }

    .app-module.is-active::before {
      content: "";
      position: absolute;
      top: 7px;
      bottom: 7px;
      z-index: 1;
      width: 3px;
      border-radius: 999px;
      background: linear-gradient(180deg, rgba(47, 111, 191, .95), rgba(47, 111, 191, .46));
      box-shadow: 0 0 16px rgba(47, 111, 191, .26);
      pointer-events: none;
    }

    .app-module.is-active::before {
      left: 0;
    }

    .app-module.is-active > * {
      position: relative;
      z-index: 2;
    }

    .app-module.is-pulsing {
      animation: moduleFocusPulse 560ms var(--ease);
    }

    @keyframes moduleFocusPulse {
      0% {
        transform: none;
      }

      48% {
        transform: translateY(-1px);
      }

      100% {
        transform: none;
      }
    }

    .app-module-stack .app-module:nth-child(3n + 2) .app-module-icon {
      background: rgba(255, 59, 48, .1);
      color: var(--red-soft);
      border-color: rgba(255, 59, 48, .2);
    }

    .app-module.is-active .app-module-icon {
      background: #fff;
      color: var(--blue);
      border-color: rgba(47, 111, 191, .28);
      box-shadow: 0 10px 22px rgba(47, 111, 191, .14);
    }

    .app-module-icon {
      display: grid;
      place-items: center;
      width: var(--hero-icon-size);
      height: var(--hero-icon-size);
      flex: 0 0 auto;
      overflow: hidden;
      border-radius: 50%;
      background: rgba(47, 111, 191, .1);
      color: var(--blue);
      border: 1px solid rgba(47, 111, 191, .18);
    }

    .app-module-icon svg {
      width: 56%;
      height: 56%;
      stroke: currentColor;
      stroke-width: 2.25;
      stroke-linecap: round;
      stroke-linejoin: round;
      fill: none;
    }

    .app-slider {
      position: relative;
      z-index: 1;
      width: var(--hero-phone-w);
      height: var(--hero-stack-h);
      aspect-ratio: 9 / 20;
      overflow: hidden;
      border: clamp(6px, calc(var(--hero-phone-w) * .038), 10px) solid #05070a;
      border-radius: clamp(22px, calc(var(--hero-phone-w) * .13), 34px);
      background: #05070a;
      box-shadow:
        0 28px 78px rgba(15, 23, 42, .28),
        inset 0 0 0 1px rgba(255, 255, 255, .1);
    }

    .app-slider::before {
      content: "";
      position: absolute;
      top: 8px;
      left: 50%;
      z-index: 3;
      width: 92px;
      height: 20px;
      border-radius: 999px;
      background: #05070a;
      transform: translateX(-50%);
    }

    .app-slider img {
      position: absolute;
      inset: 0;
      display: block;
      width: 100%;
      height: 100%;
      object-fit: contain;
      background: #05070a;
      opacity: 0;
      transform: scale(1.018);
      transition: opacity 520ms var(--ease), transform 720ms var(--ease);
    }

    .app-slider img.is-active {
      opacity: 1;
      transform: scale(1);
    }

    .program-panel {
      display: grid;
      align-content: center;
      gap: 18px;
      width: 100%;
      height: 100%;
      padding: 34px;
      border-radius: var(--radius);
      background:
        linear-gradient(135deg, rgba(235, 242, 250, .94), rgba(255, 255, 255, .9)),
        repeating-linear-gradient(135deg, rgba(47, 111, 191, .14) 0 2px, transparent 2px 28px);
      border: 1px solid rgba(47, 111, 191, .2);
      box-shadow: 0 18px 44px rgba(47, 111, 191, .12);
    }

    .program-panel h2 {
      margin: 0;
      font-size: 58px;
      line-height: 1;
      font-weight: 950;
      letter-spacing: 0;
    }

    .program-list {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .program-chip {
      display: inline-flex;
      align-items: center;
      min-height: 48px;
      padding: 0 20px;
      border-radius: 999px;
      background: var(--blue);
      color: #fff;
      font-size: 22px;
      line-height: 1;
      font-weight: 900;
      box-shadow: 0 12px 26px rgba(47, 111, 191, .22);
    }

    .number-layout {
      min-height: 0;
      display: grid;
      grid-template-columns: .78fr 1.22fr;
      gap: 34px;
      align-items: center;
    }

    .big-number {
      color: var(--blue);
      font-size: 220px;
      line-height: .82;
      font-weight: 950;
      letter-spacing: 0;
    }

    .blue-stack {
      display: grid;
      gap: 18px;
    }

    .blue-row {
      display: grid;
      grid-template-columns: 72px 1fr;
      align-items: center;
      gap: 18px;
      padding: 18px 22px;
      border-radius: var(--radius);
      background: var(--blue-soft);
      border: 1px solid rgba(47, 111, 191, .18);
      color: #111827;
      font-size: 26px;
      line-height: 1.15;
      font-weight: 900;
    }

    .blue-row b {
      display: grid;
      place-items: center;
      width: 58px;
      height: 58px;
      border-radius: 50%;
      background: var(--blue);
      color: #fff;
      font-size: 25px;
    }

    .module-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
      align-self: center;
    }

    .module {
      min-height: 138px;
      padding: 22px;
      border-radius: var(--radius);
      background: rgba(235, 242, 250, .78);
      border: 1px solid rgba(47, 111, 191, .16);
    }

    .module b {
      display: block;
      color: var(--blue);
      font-size: 25px;
      line-height: 1.08;
      font-weight: 950;
    }

    .module span {
      display: block;
      margin-top: 9px;
      color: #475569;
      font-size: 17px;
      line-height: 1.18;
      font-weight: 720;
    }

    .progress-wrap {
      display: grid;
      grid-template-columns: auto 260px;
      align-items: center;
      gap: 12px;
      color: #4b5563;
      font-size: 12px;
      font-weight: 800;
    }

    .progress {
      height: 7px;
      overflow: hidden;
      border-radius: 999px;
      background: rgba(5, 7, 10, .08);
    }

    .progress-bar {
      width: 0;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--red), var(--blue-2));
      transition: width 240ms var(--ease);
    }

    .control-group {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .nav-button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-width: 112px;
      height: 44px;
      border: 0;
      border-radius: 8px;
      background: var(--glass);
      color: #111827;
      font-weight: 900;
      box-shadow: 0 10px 28px rgba(15, 23, 42, .1);
      backdrop-filter: blur(18px) saturate(1.5);
      -webkit-backdrop-filter: blur(18px) saturate(1.5);
      cursor: pointer;
      transition: transform 160ms var(--ease), opacity 160ms var(--ease), background 160ms var(--ease);
    }

    .nav-button:hover {
      transform: translateY(-1px);
      background: rgba(255, 255, 255, .9);
    }

    .nav-button:disabled {
      cursor: default;
      opacity: .42;
      transform: none;
    }

    .nav-button.primary {
      background: var(--red-soft);
      color: #fff;
    }

    .nav-button svg {
      width: 18px;
      height: 18px;
      stroke-width: 3;
    }

    @media (max-height: 820px) {
      :root {
        --stage-w: min(calc(100vw - 40px), calc((100dvh - 114px) * 16 / 9));
      }

      .shell {
        grid-template-rows: 40px var(--stage-h) 42px;
        gap: 8px;
        padding-block: 8px;
      }

      .slide {
        padding: 28px 44px 20px;
        gap: 10px;
      }

      h1 {
        font-size: 64px;
      }

      .lead {
        margin-top: 20px;
        font-size: 26px;
      }

      .cover-copy {
        gap: 16px;
      }

      .cover-copy h1 {
        font-size: 72px;
      }

      .cover-lead {
        font-size: 25px;
      }

      .big-number {
        font-size: 180px;
      }
    }

    /* Use the available desktop viewport instead of a narrow fixed canvas. */
    @media (min-width: 1280px) {
      :root {
        --stage-w: min(94vw, calc((100dvh - 126px) * 16 / 9), 2200px);
      }

      .shell {
        grid-template-rows: 42px var(--stage-h) 48px;
        gap: 8px;
        padding-block: 10px;
      }

      .cover-copy h1 {
        font-size: clamp(72px, 9dvh, 112px) !important;
      }

      .cover-lead {
        font-size: clamp(25px, 3.3dvh, 38px) !important;
      }

    }

    @media (min-width: 1280px) and (max-height: 820px) {
      :root {
        --stage-w: min(96vw, calc((100dvh - 114px) * 16 / 9), 2200px);
      }
    }

    @media (min-width: 761px) and (max-width: 1100px) {
      .cover-copy h1 {
        font-size: clamp(48px, 6.7vw, 64px);
      }

      .cover-lead {
        font-size: clamp(18px, 2.35vw, 23px);
      }

    }

    @media (max-height: 650px) {
      .slide {
        padding: 24px 36px 18px;
        gap: 8px;
      }

      .eyebrow {
        font-size: 18px;
      }

      .eyebrow::before {
        width: 92px;
        height: 6px;
      }

      .cover-copy h1 {
        font-size: 56px;
      }

      .cover-lead {
        font-size: 20px;
      }

      .topics-slide {
        padding: 18px 36px 16px;
      }

      .topics-slide .slide-top {
        margin-bottom: 0;
      }

      .topics-body {
        gap: 10px;
      }

      .topics-title {
        font-size: 24px;
        line-height: 1;
      }

      .topics-grid {
        gap: 10px 12px;
      }

      .topics-grid .topic-card {
        min-height: 102px;
        padding: 14px 18px;
        grid-template-columns: minmax(0, 1fr) 52px;
      }

      .topics-grid .topic-card strong {
        font-size: 30px;
      }

      .topics-grid .topic-card span {
        margin-top: 6px;
        font-size: 16px;
        line-height: 1.08;
      }

      .topics-grid .topic-icon {
        width: 52px;
        height: 52px;
      }

      .topics-grid .topic-icon svg {
        width: 29px;
        height: 29px;
      }
    }

    @media (max-width: 760px), (max-width: 900px) and (orientation: portrait), (max-width: 940px) and (max-height: 520px) {
      :root {
        --stage-w: min(calc(100vw - 28px), 520px);
        --mobile-page-pad: 12px;
        --mobile-safe-bottom: max(var(--mobile-page-pad), env(safe-area-inset-bottom));
        --mobile-gap: 10px;
        --mobile-topbar-h: clamp(52px, 7vh, 60px);
        --mobile-topbar-h: clamp(52px, 7dvh, 60px);
        --mobile-controls-h: clamp(50px, 7vh, 60px);
        --mobile-controls-h: clamp(50px, 7dvh, 60px);
        --stage-h: calc(100vh - var(--mobile-page-pad) - var(--mobile-safe-bottom) - var(--mobile-topbar-h) - var(--mobile-controls-h) - (var(--mobile-gap) * 2));
        --stage-h: calc(100dvh - var(--mobile-page-pad) - var(--mobile-safe-bottom) - var(--mobile-topbar-h) - var(--mobile-controls-h) - (var(--mobile-gap) * 2));
      }

      html,
      body {
        height: 100%;
        min-height: 0;
        overflow-x: hidden;
        overflow-y: hidden;
      }

      body {
        min-height: 100vh;
        min-height: 100dvh;
      }

      .shell {
        grid-template-rows: var(--mobile-topbar-h) minmax(0, var(--stage-h)) var(--mobile-controls-h);
        align-content: center;
        place-content: center;
        gap: var(--mobile-gap);
        height: 100vh;
        height: 100dvh;
        min-height: 100vh;
        min-height: 100dvh;
        padding: var(--mobile-page-pad) 14px var(--mobile-safe-bottom);
      }

      .topbar,
      .controls,
      .stage-wrap {
        width: 100%;
        max-width: var(--stage-w);
      }

      .topbar {
        min-height: 0;
        height: var(--mobile-topbar-h);
      }

      .stage-wrap {
        height: var(--stage-h);
        min-height: 0;
      }

      .stage {
        height: 100%;
        min-height: 0;
        overflow-x: hidden;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        overscroll-behavior: contain;
        scrollbar-width: none;
      }

      .stage::-webkit-scrollbar {
        width: 0;
        height: 0;
      }

      .progress-wrap {
        display: none;
      }

      .poster,
      .cover-poster,
      .number-layout {
        grid-template-columns: 1fr;
        gap: 18px;
      }

      .cover-poster {
        grid-template-rows: auto minmax(0, 1fr);
        align-content: stretch;
        align-items: start;
        gap: clamp(16px, 2.8dvh, 24px);
      }

      .slide {
        position: relative;
        inset: auto;
        min-height: 100%;
        padding: clamp(18px, 3.6dvh, 24px);
      }

      .eyebrow {
        font-size: 16px;
      }

      .eyebrow::before {
        width: 54px;
        height: 6px;
      }

      h1 {
        font-size: 34px;
      }

      .lead {
        margin-top: 14px;
        font-size: 19px;
      }

      .cover-copy {
        align-content: start;
        gap: 12px;
      }

      .cover-copy h1 {
        font-size: 52px;
      }

      .cover-lead {
        font-size: 18px;
      }

      .story-prompt {
        font-size: 15px;
      }

      .topics-body {
        gap: 10px;
      }

      .topics-title {
        font-size: 24px;
      }

      .topic-grid {
        grid-template-columns: 1fr;
        gap: 8px;
      }

      .topics-grid.has-five-topics {
        grid-template-columns: 1fr;
      }

      .topic-card {
        grid-template-columns: minmax(0, 1fr) 42px;
        gap: 8px;
        min-height: 72px;
        padding: 10px 12px;
      }

      .topic-card strong {
        font-size: 21px;
      }

      .topic-card span {
        margin-top: 5px;
        font-size: 13px;
      }

      .topics-grid .topic-card {
        min-height: 72px;
        padding: 10px 12px;
      }

      .topics-grid .topic-card strong {
        font-size: 21px;
      }

      .topics-grid .topic-card span {
        font-size: 13px;
      }

      .topic-icon {
        width: 42px;
        height: 42px;
      }

      .topic-icon svg {
        width: 24px;
        height: 24px;
      }

      .sublead {
        font-size: 15px;
      }

      .photo-card {
        min-height: 0;
      }

      .cover-poster .visual {
        align-self: stretch;
        min-height: clamp(300px, 46dvh, 430px);
        place-items: center;
      }

      .app-slider-wrap {
        grid-template-columns: 1fr;
        height: 100%;
        min-height: 0;
        justify-items: center;
        align-items: center;
        gap: 8px;
      }

      .app-slider-glow {
        inset: 14% 0 8%;
        filter: blur(30px);
      }

      .app-slider {
        width: clamp(170px, 52vw, 210px);
        height: auto;
        max-height: none;
        aspect-ratio: 9 / 19.5;
        border-width: 6px;
        border-radius: 24px;
      }

      .app-includes {
        display: none;
      }

      .program-panel {
        padding: 18px;
      }

      .program-panel h2 {
        font-size: 28px;
      }

      .program-chip {
        min-height: 34px;
        padding: 0 12px;
        font-size: 14px;
      }

      .big-number {
        font-size: 72px;
      }

      .blue-row {
        grid-template-columns: 42px 1fr;
        gap: 10px;
        padding: 10px 12px;
        font-size: 15px;
      }

      .blue-row b {
        width: 34px;
        height: 34px;
        font-size: 14px;
      }

      .module-grid {
        gap: 10px;
      }

      .module {
        min-height: 96px;
        padding: 12px;
      }

      .module b {
        font-size: 15px;
      }

      .module span {
        font-size: 12px;
      }

      .nav-button {
        min-width: clamp(46px, 12vw, 54px);
        width: clamp(46px, 12vw, 54px);
        height: clamp(46px, 6dvh, 52px);
        padding: 0;
      }

      .controls {
        position: relative;
        bottom: auto;
        height: var(--mobile-controls-h);
        z-index: 10;
      }

      .nav-label {
        position: absolute;
        width: 1px;
        height: 1px;
        overflow: hidden;
        clip: rect(0 0 0 0);
      }
    }

    @media (max-width: 940px) and (max-height: 520px) {
      .cover-poster {
        grid-template-columns: minmax(0, 1fr) minmax(130px, .42fr);
        grid-template-rows: minmax(0, 1fr);
        align-items: center;
        gap: 12px;
      }

      .cover-copy h1 {
        font-size: clamp(36px, 7.4vw, 50px);
      }

      .cover-lead {
        font-size: clamp(15px, 3.1vw, 19px);
      }

      .cover-poster .visual {
        min-height: 0;
      }

      .app-slider {
        width: clamp(120px, 18vw, 160px);
      }
    }

    @media (max-width: 380px) {
      .cover-copy h1 {
        font-size: 46px;
      }

      .topics-title {
        font-size: 22px;
      }

      .topics-grid .topic-card strong {
        font-size: 19px;
      }

      .topics-grid .topic-card span {
        font-size: 12px;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      *,
      *::before,
      *::after {
        animation-duration: 1ms !important;
        transition-duration: 1ms !important;
      }
    }