/* Public demo presentation only. Lesson content, fonts and progress are unchanged. */
@media screen {
  body.hzn-demo-experience {
    --demo-navy: #0b253b;
    --demo-teal: #07766e;
    --demo-cream: #f4efe4;
    --demo-paper: #fffdf8;
    --demo-line: #cbdad7;
    width: 100%;
    min-width: 0;
    margin: 0;
    color: var(--demo-navy);
    background: var(--demo-cream);
  }

  body.hzn-demo-experience *,
  body.hzn-demo-experience *::before,
  body.hzn-demo-experience *::after {
    box-sizing: border-box;
  }

  body.hzn-demo-experience main {
    width: 100%;
    max-width: 1160px;
    min-width: 0;
    margin-inline: auto;
    padding: 18px clamp(12px, 2.8vw, 28px) 24px;
  }

  body.hzn-demo-experience .topbar,
  body.hzn-demo-experience .reader-controls,
  body.hzn-demo-experience #activity-navigation,
  body.hzn-demo-experience #activity {
    width: 100%;
    min-width: 0;
    max-width: 100%;
  }

  body.hzn-demo-experience .topbar {
    height: auto;
    min-height: 68px;
    padding: 10px clamp(12px, 2.8vw, 28px);
    gap: 12px;
    background: var(--demo-paper);
  }

  body.hzn-demo-experience .topbar .brand,
  body.hzn-demo-experience .topbar .top-actions,
  body.hzn-demo-experience .topbar .language {
    min-width: 0;
    max-width: 100%;
  }

  body.hzn-demo-experience .reader-controls {
    max-width: 1160px;
    margin-inline: auto;
    padding: 8px clamp(12px, 2.8vw, 28px);
    gap: 10px;
    flex-wrap: wrap;
  }

  body.hzn-demo-experience .reader-controls .typography-toolbar,
  body.hzn-demo-experience .reading-options,
  body.hzn-demo-experience .typography-control {
    min-width: 0;
    max-width: 100%;
  }

  body.hzn-demo-experience select {
    min-width: 0;
    max-width: 100%;
  }

  #demo-upgrade {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px 24px;
    width: 100%;
    min-width: 0;
    margin: 0 0 20px;
    padding: clamp(16px, 2.2vw, 24px);
    background: linear-gradient(115deg, #fffdf8 0%, #edf6f0 100%);
    border: 1px solid #bdd6ce;
    border-radius: 20px;
    box-shadow: 0 8px 28px #14394b07;
    color: #0b253b;
  }

  .demo-upgrade-copy {
    flex: 1 1 340px;
    min-width: 0;
    max-width: 100%;
  }

  .demo-badge {
    display: inline-block;
    max-width: 100%;
    margin-block-end: 7px;
    padding: 3px 10px;
    border: 1px solid #bbd7cc;
    border-radius: 999px;
    color: #246358;
    background: #e6f2eb;
    font-size: 12px;
    font-weight: 650;
    line-height: 1.6;
    overflow-wrap: anywhere;
  }

  #demo-upgrade h2,
  #demo-upgrade h3 {
    margin: 0 0 5px;
    font-size: clamp(20px, 2.3vw, 26px);
    line-height: 1.5;
    color: #0b253b;
  }

  #demo-upgrade p {
    margin: 0;
    max-width: 66ch;
    color: #49686d;
    font-size: 14px;
    line-height: 1.8;
    overflow-wrap: break-word;
  }

  #demo-upgrade .demo-upgrade-copy > p {
    color: #0b253b;
    font-size: clamp(18px, 2vw, 23px);
    font-weight: 650;
    line-height: 1.65;
  }

  .demo-upgrade-actions,
  .demo-lock-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 10px;
    min-width: 0;
    max-width: 100%;
  }

  .demo-cta-primary,
  .demo-cta-secondary,
  .demo-upgrade-actions > a,
  .demo-lock-actions > a,
  .demo-lock-actions > button {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 7px;
    min-width: 0;
    max-width: 100%;
    min-height: 46px;
    padding: 10px 18px;
    border: 1px solid #07766e;
    border-radius: 12px;
    background: #07766e;
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    font-weight: 700;
    white-space: normal;
    line-height: 1.6;
    text-align: center;
    overflow-wrap: break-word;
  }

  .demo-cta-secondary,
  .demo-upgrade-actions > a.secondary,
  .demo-lock-actions > a.secondary,
  .demo-lock-actions > button.secondary {
    border-color: #b4cbc4;
    background: #fffdf8;
    color: #315e61;
  }

  body.hzn-demo-experience .lesson-heading {
    min-width: 0;
    flex-wrap: wrap;
    gap: 16px;
    margin-block-end: 16px;
  }

  body.hzn-demo-experience .lesson-heading > div {
    min-width: 0;
    max-width: 100%;
  }

  body.hzn-demo-experience .lesson-heading .progress-box[hidden] {
    display: none;
  }

  body.hzn-demo-experience #lesson-title,
  body.hzn-demo-experience #lesson-subtitle {
    max-width: 100%;
    overflow-wrap: break-word;
  }

  body.hzn-demo-experience #activity-navigation {
    display: block;
    margin-block-end: 16px;
  }

  body.hzn-demo-experience #course-nav.course-nav {
    display: grid;
    width: 100%;
    min-width: 0;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin: 0 0 12px;
  }

  body.hzn-demo-experience #course-nav [data-demo-section] {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    width: 100%;
    min-width: 0;
    max-width: 100%;
    min-height: 92px;
    height: auto;
    padding: 16px 12px 12px;
    border: 1px solid #cbdad7;
    border-radius: 16px;
    background: #fffdf8;
    color: #193f47;
    font-size: 16px;
    font-weight: 650;
    white-space: normal;
    overflow-wrap: break-word;
    word-break: normal;
    line-height: 1.5;
    text-align: center;
    box-shadow: 0 2px 4px #14394b03;
  }

  body.hzn-demo-experience #course-nav [data-demo-section].is-active,
  body.hzn-demo-experience #course-nav [data-demo-section].active,
  body.hzn-demo-experience #course-nav [data-demo-section][aria-pressed="true"] {
    border-color: #398b7d;
    background: #e2f0e4;
    color: #145a52;
    box-shadow: inset 0 0 0 1px #398b7d25;
  }

  body.hzn-demo-experience #course-nav [data-demo-section].is-locked,
  body.hzn-demo-experience #course-nav [data-demo-section].locked {
    background: #f7f5ee;
    color: #506b6d;
    border-style: dashed;
  }

  body.hzn-demo-experience #course-nav [data-demo-section].is-coming-soon {
    border-color: #ddd8c9;
    background: #faf7ed;
    color: #776d52;
  }

  .demo-section-number {
    position: absolute;
    inset-block-start: 7px;
    inset-inline-start: 10px;
    color: #6b8580;
    font: 600 11px/1.2 system-ui, sans-serif;
    letter-spacing: .05em;
  }

  body.hzn-demo-experience #course-nav .demo-section-title {
    display: block;
    min-width: 0;
    max-width: 100%;
    padding-block-start: 7px;
    white-space: normal;
    word-break: normal;
    overflow-wrap: break-word;
    font: inherit;
    letter-spacing: normal;
    color: inherit;
  }

  .demo-section-status {
    display: inline-block;
    min-width: 0;
    max-width: 100%;
    padding: 2px 7px;
    border-radius: 999px;
    background: #e8efeb;
    color: #476c65;
    font-size: 11px;
    font-weight: 500;
    line-height: 1.5;
    white-space: normal;
    overflow-wrap: break-word;
  }

  .demo-section-status > .demo-lock-icon {
    display: inline-block;
    width: 12px;
    height: 12px;
    margin: 0 3px 0 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    color: currentColor;
    vertical-align: middle;
  }

  body.hzn-demo-experience #stages {
    width: 100%;
    min-width: 0;
    max-width: 100%;
    margin: 0;
  }

  body.hzn-demo-experience #stages > button {
    min-width: 0;
    max-width: 100%;
    height: auto;
    white-space: normal;
    overflow-wrap: break-word;
    line-height: 1.6;
  }

  body.hzn-demo-experience #activity {
    border-radius: 20px;
    padding: clamp(12px, 1.8vw, 20px);
    background: #fffdf8;
  }

  body.hzn-demo-experience .activity-header {
    min-width: 0;
    flex-wrap: wrap;
    gap: 12px;
    margin-block-end: 14px;
  }

  body.hzn-demo-experience .activity-header > div {
    min-width: 0;
    max-width: 100%;
  }

  body.hzn-demo-experience .alphabet-layout {
    min-width: 0;
    grid-template-columns: minmax(0, 1.65fr) minmax(230px, 1fr);
    gap: 20px;
    align-items: start;
  }

  body.hzn-demo-experience .alphabet-grid {
    min-width: 0;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
  }

  body.hzn-demo-experience .alphabet-grid .letter-card {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    justify-content: center;
    align-content: center;
    gap: 0 10px;
    min-width: 0;
    max-width: 100%;
    min-height: 88px;
    height: auto;
    padding: 12px 10px;
    border-radius: 16px;
  }

  body.hzn-demo-experience .alphabet-grid .letter-card .arabic {
    grid-column: 1;
    grid-row: 1 / 3;
    min-width: 0;
    max-width: 100%;
    font-size: var(--reader-alphabet-card-size, 44px);
    line-height: 1.65;
    white-space: nowrap;
  }

  body.hzn-demo-experience .alphabet-grid .letter-card small {
    grid-column: 2;
    grid-row: 1;
    min-width: 0;
    max-width: 100%;
    font-size: var(--reader-letter-name-small-size, 15px);
    line-height: 1.9;
    white-space: nowrap;
    overflow-wrap: normal;
  }

  body.hzn-demo-experience .letter-card.is-locked,
  body.hzn-demo-experience .letter-card.locked {
    border-style: dashed;
    background: #f6f5ee;
    color: #6a807c;
  }

  body.hzn-demo-experience .chapter-grid {
    min-width: 0;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
  }

  body.hzn-demo-experience .chapter-card {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    align-content: center;
    gap: 0 10px;
    min-width: 0;
    max-width: 100%;
    min-height: 112px;
    height: auto;
    padding: 16px 12px 12px;
    border-radius: 16px;
    text-align: start;
  }

  body.hzn-demo-experience .chapter-card .chapter-letter {
    grid-column: 1;
    grid-row: 1 / 5;
    min-width: 0;
    max-width: 100%;
    font-size: var(--reader-chapter-letter-size, 55px);
    line-height: 1.6;
  }

  body.hzn-demo-experience .chapter-card > b,
  body.hzn-demo-experience .chapter-card > small,
  body.hzn-demo-experience .chapter-card > .chapter-meter {
    grid-column: 2;
    min-width: 0;
    max-width: 100%;
    text-align: start;
  }

  body.hzn-demo-experience .chapter-card > b {
    font-size: var(--reader-chapter-name-size, 22px);
    line-height: 1.8;
    white-space: nowrap;
    overflow-wrap: normal;
  }

  body.hzn-demo-experience .chapter-card > .chapter-meter {
    width: 100%;
    margin: 6px 0 3px;
  }

  body.hzn-demo-experience .chapter-card.is-locked,
  body.hzn-demo-experience .chapter-card.locked {
    border-style: dashed;
    background: #f6f5ee;
    color: #6a807c;
  }

  .demo-card-status {
    display: inline-block;
    grid-column: 2;
    min-width: 0;
    max-width: 100%;
    justify-self: center;
    padding: 1px 6px;
    border-radius: 999px;
    background: #e6efe8;
    color: #456d61;
    font-size: 10px;
    font-weight: 500;
    line-height: 1.6;
    white-space: normal;
    overflow-wrap: anywhere;
  }

  body.hzn-demo-experience .alphabet-grid .letter-card .demo-card-status {
    grid-column: 2;
    grid-row: 2;
    font-size: 10px;
    line-height: 1.6;
    white-space: normal;
    overflow-wrap: anywhere;
  }

  .is-locked > .demo-card-status,
  .locked > .demo-card-status {
    background: #ebece5;
    color: #6b7b72;
  }

  body.hzn-demo-experience .alphabet-layout .letter-focus {
    min-width: 0;
    max-width: 100%;
    align-self: start;
  }

  body.hzn-demo-experience :is(.letter-card, .chapter-card) .demo-lock-icon {
    position: absolute;
    inset-block-start: 7px;
    inset-inline-end: 7px;
    display: grid;
    place-items: center;
    width: 18px;
    height: 18px;
    margin: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    color: #7c8d82;
    font-size: 12px;
  }

  body.hzn-demo-experience .vocab-strip,
  body.hzn-demo-experience .word-overview .vocab-strip {
    min-width: 0;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 156px), 1fr));
    gap: 10px;
  }

  body.hzn-demo-experience .vocab-strip > button {
    min-width: 0;
    max-width: 100%;
    height: auto;
    padding: 10px;
    border-radius: 14px;
  }

  body.hzn-demo-experience .vocab-strip span.arabic {
    min-width: 0;
    max-width: 100%;
    line-height: 1.9;
    white-space: nowrap;
    word-break: normal;
    overflow-wrap: normal;
  }

  .demo-locked-preview,
  .demo-lock-card {
    width: 100%;
    max-width: 760px;
    min-width: 0;
    margin-inline: auto;
    padding: clamp(22px, 4vw, 44px);
    border: 1px solid #d0e0d8;
    border-radius: 20px;
    background: linear-gradient(155deg, #fffdf8 20%, #edf5ef 100%);
    text-align: center;
  }

  .demo-locked-preview > .demo-lock-card {
    padding: 0;
    border: 0;
    background: transparent;
  }

  .demo-lock-icon {
    display: grid;
    place-items: center;
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    border: 1px solid #bad7cb;
    border-radius: 18px;
    background: #e2f0e8;
    color: #14685e;
    font-size: 28px;
  }

  .demo-locked-preview h2,
  .demo-lock-card h2 {
    margin: 0 0 10px;
    color: #0b253b;
    font-size: clamp(22px, 3vw, 30px);
    line-height: 1.5;
    overflow-wrap: break-word;
  }

  .demo-locked-preview p,
  .demo-lock-card p {
    max-width: 52ch;
    margin: 8px auto;
    color: #49676c;
    font-size: 15px;
    line-height: 1.9;
    overflow-wrap: break-word;
  }

  .demo-lock-actions {
    margin-block-start: 20px;
  }

  #demo-lock-dialog {
    width: min(620px, calc(100vw - 24px));
    max-width: calc(100vw - 24px);
    min-width: 0;
    max-height: calc(100dvh - 24px);
    padding: clamp(18px, 3vw, 28px);
    border: 1px solid #cbdad7;
    border-radius: 22px;
    background: #fffdf8;
    color: #0b253b;
    overflow-y: auto;
  }

  #demo-lock-dialog::backdrop {
    background: #0b253b99;
  }

  #demo-lock-dialog .demo-lock-card {
    border: 0;
    padding: 18px 0 4px;
    background: transparent;
  }

  .demo-lock-close {
    display: block;
    margin-inline-start: auto;
    width: 44px;
    min-height: 44px;
    padding: 6px;
    border: 1px solid #cbdad7;
    border-radius: 12px;
    background: #f6f7ee;
    color: #315d61;
    font-size: 23px;
  }

  body.hzn-demo-experience :is(.demo-cta-primary, .demo-cta-secondary, [data-demo-section], .demo-lock-close):focus-visible {
    outline: 3px solid #15888a;
    outline-offset: 3px;
  }

  @media (max-width: 1100px) {
    body.hzn-demo-experience .alphabet-layout {
      grid-template-columns: minmax(0, 1fr);
    }

    body.hzn-demo-experience .alphabet-layout .letter-focus {
      order: -1;
    }
  }

  @media (min-width: 651px) and (max-width: 1000px) {
    body.hzn-demo-experience .alphabet-grid,
    body.hzn-demo-experience .chapter-grid {
      grid-template-columns: repeat(3, minmax(0, 1fr));
    }
  }

  @media (max-width: 760px) {
    body.hzn-demo-experience .lesson-heading {
      display: grid;
      grid-template-columns: minmax(0, 1fr);
      gap: 10px;
      align-items: start;
    }

    body.hzn-demo-experience .lesson-heading > div,
    body.hzn-demo-experience .lesson-heading .progress-box {
      width: 100%;
      min-width: 0;
      max-width: 100%;
    }

    body.hzn-demo-experience .lesson-heading .progress-box {
      display: block;
      flex: none;
    }

    body.hzn-demo-experience .lesson-heading .progress-box small {
      text-align: start;
    }

    #demo-upgrade {
      gap: 14px;
      margin-block-end: 18px;
      border-radius: 16px;
    }

    .demo-upgrade-copy,
    .demo-upgrade-actions {
      flex-basis: 100%;
      width: 100%;
    }

    .demo-upgrade-actions > a {
      flex: 1 1 150px;
    }

    body.hzn-demo-experience .topbar .hzn-demo-open {
      grid-column: 1 / -1;
      grid-row: 2;
      justify-self: end;
    }

    body.hzn-demo-experience #course-nav.course-nav {
      gap: 8px;
    }

    body.hzn-demo-experience #course-nav [data-demo-section] {
      min-height: 84px;
      padding: 10px 7px 9px;
      border-radius: 13px;
      font-size: 13px;
      gap: 4px;
    }

    .demo-section-number {
      inset-block-start: 6px;
      inset-inline-start: 7px;
      font-size: 10px;
    }

    .demo-section-title {
      padding-block-start: 9px;
    }

    .demo-section-status {
      padding: 1px 4px;
      font-size: 10px;
    }

    body.hzn-demo-experience #stages.four {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    body.hzn-demo-experience .word-scene-layout,
    body.hzn-demo-experience .story-layout,
    body.hzn-demo-experience .writing-workspace {
      min-width: 0;
      grid-template-columns: minmax(0, 1fr);
    }

    body.hzn-demo-experience .word-overview .vocab-strip {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }
  }

  @media (max-width: 700px) {
    body.hzn-demo-experience .word-scene-layout {
      grid-template-areas:
        "switch"
        "picture"
        "word"
        "sentence"
        "meaning"
        "tags";
    }
  }

  @media (max-width: 650px) {
    body.hzn-demo-experience .alphabet-grid,
    body.hzn-demo-experience .chapter-grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 9px;
    }

    body.hzn-demo-experience .alphabet-grid .letter-card {
      min-height: 82px;
      padding: 10px 8px;
      gap: 0 8px;
      border-radius: 13px;
    }

    body.hzn-demo-experience .alphabet-grid .letter-card .arabic {
      font-size: min(var(--reader-alphabet-card-size, 44px), 48px);
      line-height: 1.35;
    }

    body.hzn-demo-experience .alphabet-grid .letter-card small {
      font-size: min(var(--reader-letter-name-small-size, 15px), 17px);
    }

    body.hzn-demo-experience .chapter-card {
      min-height: 102px;
      padding: 14px 8px 10px;
      gap: 0 7px;
      border-radius: 13px;
    }

    body.hzn-demo-experience .chapter-card .chapter-letter {
      font-size: min(var(--reader-chapter-letter-size, 55px), 56px);
      line-height: 1.35;
    }

    body.hzn-demo-experience .chapter-card > b {
      font-size: min(var(--reader-chapter-name-size, 22px), 24px);
    }

    body.hzn-demo-experience .word-overview .vocab-strip > button {
      display: flex;
      flex-direction: row;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 78px;
      padding: 8px;
    }

    body.hzn-demo-experience .word-overview .vocab-strip img {
      flex: 0 0 42px;
      width: 42px;
      height: 42px;
      max-height: 42px;
      border-radius: 8px;
    }

    body.hzn-demo-experience .word-overview .vocab-strip span.arabic {
      flex: 1;
      font-size: min(var(--reader-strip-word-size, 23px), 24px);
    }
  }

  @media (max-width: 380px) {
    body.hzn-demo-experience .topbar {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 8px;
    }

    body.hzn-demo-experience .topbar .top-actions {
      display: contents;
    }

    body.hzn-demo-experience .topbar .brand {
      grid-column: 1 / -1;
      grid-row: 1;
    }

    body.hzn-demo-experience .topbar .top-actions > .language {
      grid-column: 1;
      grid-row: 2;
      justify-self: stretch;
    }

    body.hzn-demo-experience .topbar .language select {
      width: 100%;
      min-width: 0;
    }

    body.hzn-demo-experience .topbar .top-actions > #settings-button {
      grid-column: 2;
      grid-row: 2;
    }

    body.hzn-demo-experience .topbar .hzn-demo-open {
      grid-column: 1 / -1;
      grid-row: 3;
    }

    body.hzn-demo-experience #course-nav [data-demo-section] {
      font-size: 12px;
      padding-inline: 6px;
    }

    body.hzn-demo-experience .chapter-card .chapter-letter {
      font-size: min(var(--reader-chapter-letter-size, 55px), 44px);
    }

    body.hzn-demo-experience .chapter-card > b {
      font-size: min(var(--reader-chapter-name-size, 22px), 18px);
    }

    .demo-section-status {
      font-size: 9px;
    }

    body.hzn-demo-experience .word-overview .vocab-strip {
      grid-template-columns: minmax(0, 1fr);
    }
  }

  @media (prefers-reduced-motion: reduce) {
    body.hzn-demo-experience * {
      animation: none !important;
      transition: none !important;
      scroll-behavior: auto !important;
    }
  }
}

@media print {
  #demo-upgrade,
  #demo-lock-dialog,
  .demo-locked-preview {
    display: none !important;
  }
}