@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Noto+Sans+Arabic:wght@400;500;600;700;800&display=swap');

:root {
  --paper: #f6f4ec;
  --paper-2: #eeeae0;
  --white: #fffefa;
  --ink: #172d28;
  --muted: #69736b;
  --green: #426c5c;
  --green-dark: #23473c;
  --green-pale: #dce8de;
  --clay: #b96e56;
  --gold: #e5c86d;
  --line: #dcd9cf;
  --shadow: 0 24px 65px rgba(31, 53, 44, .12);
  font-family: 'Noto Sans Arabic', system-ui, sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body { margin: 0; min-width: 320px; background: var(--paper); line-height: 1.75; }
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
button { cursor: pointer; }
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible { outline: 3px solid rgba(185, 110, 86, .7); outline-offset: 3px; }
[hidden] { display: none !important; }
.skip-link { position: absolute; z-index: 1000; top: 8px; right: 8px; padding: 8px 14px; background: var(--white); transform: translateY(-160%); border-radius: 8px; }
.skip-link:focus { transform: translateY(0); }
.section-wrap { width: min(1160px, calc(100% - 64px)); margin-inline: auto; }

.site-header { height: 76px; padding-inline: max(32px, calc((100vw - 1240px) / 2)); display: flex; align-items: center; justify-content: space-between; gap: 28px; border-bottom: 1px solid rgba(54, 76, 65, .1); background: rgba(250, 249, 244, .9); position: sticky; top: 0; z-index: 15; backdrop-filter: blur(14px); }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-size: 14px; font-weight: 600; white-space: nowrap; }
.brand strong { color: var(--green); font-weight: 800; }
.brand-mark { width: 31px; height: 31px; border-radius: 50% 50% 50% 12px; display: inline-flex; justify-content: center; align-items: center; gap: 3px; background: var(--green); transform: rotate(-8deg); }
.brand-mark i { display: block; width: 3px; height: 3px; background: var(--paper); border-radius: 50%; }
.brand-mark i:nth-child(2) { width: 4px; height: 4px; background: var(--gold); }
.main-nav { display: flex; align-items: center; gap: clamp(18px, 3.4vw, 42px); }
.main-nav a { text-decoration: none; color: #5c695f; font-size: 13px; transition: color .2s ease; }
.main-nav a:hover, .text-link:hover, .source-inline:hover { color: var(--clay); }
.sound-toggle { background: transparent; border: 1px solid var(--line); border-radius: 999px; display: inline-flex; align-items: center; gap: 8px; padding: 7px 12px; color: var(--green-dark); font-size: 11px; font-weight: 600; }
.sound-toggle.is-muted { color: var(--muted); background: rgba(0,0,0,.025); }
.sound-icon { font-family: Georgia, serif; font-size: 19px; line-height: 1; }

.hero { min-height: 560px; display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 5vw; padding-block: 54px 60px; }
.hero-copy { padding-block: 10px; }
.eyebrow { color: var(--clay); font-size: 11px; font-weight: 700; letter-spacing: .03em; margin: 0 0 14px; }
.eyebrow-line { display: inline-block; vertical-align: middle; height: 1px; width: 28px; background: var(--clay); margin-left: 9px; }
h1, h2, h3, p { margin-top: 0; }
.hero h1 { color: var(--ink); font-size: clamp(52px, 7vw, 84px); line-height: 1.17; letter-spacing: -.06em; margin: 0 0 17px; font-weight: 800; }
.hero h1 em, .intro-content h2 em, .takeaway-copy h2 em { color: var(--green); font-style: normal; position: relative; }
.hero h1 em::after { content: ''; position: absolute; height: 9px; border-radius: 10px; width: 62%; background: var(--gold); bottom: 4px; left: 1px; z-index: -1; opacity: .68; }
.hero-lede { max-width: 480px; color: var(--muted); font-size: 15px; line-height: 2; margin-bottom: 25px; }
.hero-actions { display: flex; align-items: center; gap: 23px; flex-wrap: wrap; }
.button { min-height: 46px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; border: 0; border-radius: 12px; padding: 10px 19px; font-size: 13px; font-weight: 700; text-decoration: none; transition: transform .2s ease, background .2s ease, box-shadow .2s ease; }
.button:hover:not(:disabled) { transform: translateY(-2px); }
.button-primary { color: #fff; background: var(--green); box-shadow: 0 8px 18px rgba(36, 75, 61, .15); }
.button-primary:hover:not(:disabled) { background: var(--green-dark); }
.button-primary:disabled { opacity: .48; cursor: not-allowed; box-shadow: none; }
.button-secondary { background: #e6e0ce; color: var(--green-dark); }
.text-link { font-size: 12px; font-weight: 700; text-decoration: none; color: var(--green-dark); transition: color .2s ease; }
.hero-proof { margin-top: 27px; color: #67756c; font-size: 11px; display: flex; align-items: center; gap: 8px; }
.proof-check { width: 20px; height: 20px; display: inline-grid; place-items: center; border: 1px solid #a6b8ab; color: var(--green); border-radius: 50%; font-size: 11px; }
.hero-art-wrap { min-height: 390px; position: relative; display: grid; place-items: center; }
.hero-orbit { width: min(380px, 78%); height: 310px; border: 1px solid rgba(66,108,92,.19); border-radius: 50%; transform: rotate(-17deg); position: absolute; }
.hero-art-card { position: relative; z-index: 1; width: min(430px, 100%); margin: 0; padding: 13px 13px 0; background: var(--white); border-radius: 24px 24px 14px 14px; box-shadow: 10px 16px 0 #dbe5db, var(--shadow); transform: rotate(1.5deg); }
.hero-art-card img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 15px; background: #e7e6d6; }
.hero-art-card figcaption { min-height: 47px; display: flex; align-items: center; gap: 8px; color: #738078; font-size: 10px; padding-inline: 7px; }
.hero-art-card figcaption span:first-child { color: var(--clay); font-weight: 700; }
.caption-dot { width: 3px; height: 3px; background: #b8b9a8; border-radius: 50%; }
.speech-chip { position: absolute; z-index: 2; padding: 8px 13px; background: #fffefa; border-radius: 20px 20px 5px 20px; box-shadow: 0 8px 20px rgba(39,56,48,.11); color: var(--green-dark); font-size: 12px; font-weight: 700; }
.chip-one { top: 9%; right: 6%; background: var(--green); color: white; transform: rotate(4deg); }
.chip-two { bottom: 17%; left: 3%; color: var(--clay); }
.hero-spark { position: absolute; color: var(--gold); font-size: 26px; }
.spark-one { top: 15%; left: 11%; }.spark-two { bottom: 12%; right: 5%; font-size: 16px; color: var(--clay); }

.progress-band { background: var(--green); color: white; }
.progress-inner { min-height: 61px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 22px; }
.progress-copy { display: flex; align-items: center; gap: 12px; font-size: 11px; white-space: nowrap; }
.progress-copy strong { font-size: 14px; }
.progress-track { height: 4px; background: rgba(255,255,255,.26); border-radius: 5px; overflow: hidden; }
.progress-track span { display: block; height: 100%; width: 0; background: var(--gold); transition: width .45s ease; border-radius: inherit; }
.progress-count { color: rgba(255,255,255,.72); font-size: 10px; white-space: nowrap; }

.section-pad { padding-block: 112px; }
.intro-section { display: grid; grid-template-columns: .65fr 1.35fr; gap: 7vw; }
.section-index { border-top: 1px solid var(--line); padding-top: 20px; display: flex; flex-direction: column; align-items: flex-start; color: var(--muted); font-size: 11px; }
.section-index strong { color: var(--clay); font-family: 'DM Sans', sans-serif; font-size: 50px; line-height: 1.15; margin-top: 19px; }
.section-index small { font: 600 10px 'DM Sans', sans-serif; letter-spacing: .1em; }
.intro-content h2, .section-heading h2, .lesson-heading h2, .takeaway-copy h2, .sources-section h2 { font-size: clamp(28px, 3.6vw, 43px); line-height: 1.4; letter-spacing: -.035em; margin-bottom: 14px; }
.body-copy { color: var(--muted); line-height: 2.1; font-size: 14px; max-width: 730px; }
.principle-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 33px; }
.principle { display: flex; align-items: flex-start; gap: 11px; padding: 16px 12px; border-top: 1px solid var(--line); }
.principle-number { width: 28px; height: 28px; flex: none; display: grid; place-items: center; border-radius: 50%; color: var(--green-dark); background: #e5e6d9; font-size: 12px; }
.principle h3 { font-size: 12px; margin: 0 0 3px; }
.principle p { font-size: 10px; color: var(--muted); margin: 0; line-height: 1.8; }
.goals-section { padding-top: 12px; padding-bottom: 118px; }
.section-heading { max-width: 690px; margin-left: auto; margin-right: 0; margin-bottom: 27px; text-align: right; }
.section-heading h2 { font-size: clamp(26px, 3vw, 35px); margin-bottom: 7px; }
.section-heading > p:last-child { color: var(--muted); font-size: 12px; }
html[dir="rtl"] .hero-copy, html[dir="rtl"] .intro-content, html[dir="rtl"] .section-heading, html[dir="rtl"] .lesson-heading, html[dir="rtl"] .game-heading, html[dir="rtl"] .takeaway-copy, html[dir="rtl"] .sources-section, html[dir="rtl"] .ai-note { text-align: right; }
.goal-list { border-top: 1px solid var(--line); display: grid; grid-template-columns: 1fr 1fr; column-gap: 60px; }
.goal-item { border-bottom: 1px solid var(--line); display: flex; gap: 18px; align-items: center; padding: 19px 3px; }
.goal-item > span { min-width: 24px; color: var(--clay); font: 700 12px 'DM Sans', sans-serif; }
.goal-item p { margin: 0; font-size: 13px; }

.lesson-section { background: #eae8de; padding-block: 78px 69px; }
.lesson-heading { display: flex; align-items: end; justify-content: space-between; gap: 25px; margin-bottom: 30px; }
.lesson-heading h2 { margin: 0; font-size: clamp(27px, 3.3vw, 39px); }
.source-inline { flex: none; margin-bottom: 5px; font-size: 11px; font-weight: 700; color: var(--green-dark); text-decoration: none; border-bottom: 1px solid #9cae9e; padding-bottom: 4px; }
.lesson-grid { display: grid; grid-template-columns: 1.65fr .8fr; gap: 30px; align-items: start; }
.video-frame { position: relative; overflow: hidden; aspect-ratio: 16 / 9; border-radius: 18px; background: #172d28; box-shadow: 0 15px 35px rgba(26,44,36,.16); }
#youtube-player, #youtube-player iframe { width: 100%; height: 100%; position: absolute; inset: 0; border: 0; }
.video-start { position: absolute; z-index: 2; inset: 0; width: 100%; border: 0; background: linear-gradient(0deg, rgba(21,37,32,.35), rgba(21,37,32,.05)); color: white; display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 10px; font-size: 12px; font-weight: 700; transition: opacity .25s ease; pointer-events: none; }
.video-start.is-hidden { opacity: 0; pointer-events: none; }
.play-disc { display: grid; place-items: center; width: 60px; height: 60px; background: var(--gold); color: var(--green-dark); border-radius: 50%; font-size: 20px; box-shadow: 0 6px 20px rgba(0,0,0,.18); transition: transform .2s ease; }
.video-start:hover .play-disc { transform: scale(1.07); }
.video-load-note { position: absolute; inset: auto 16px 15px; z-index: 3; padding: 8px 11px; background: rgba(255,254,250,.93); color: var(--ink); border-radius: 8px; font-size: 10px; }
.video-underbar { padding-block: 12px 5px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; color: var(--muted); font-size: 10px; }
.video-underbar > span:first-child { color: var(--green-dark); font-weight: 700; }
.live-dot { width: 7px; height: 7px; display: inline-block; border-radius: 50%; background: #78a184; margin-left: 5px; }
.video-caption { margin: 8px 0 0; color: #667169; font-size: 11px; line-height: 1.9; }
.interaction-map { padding: 20px 21px 18px; background: var(--white); border-radius: 16px; box-shadow: 0 7px 22px rgba(38,55,46,.06); }
.map-head { display: flex; align-items: center; gap: 11px; margin-bottom: 16px; }
.map-icon { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%; background: #f1ebd5; color: var(--clay); }
.map-head .eyebrow { margin-bottom: 1px; font-size: 9px; }
.map-head h3 { font-size: 15px; margin: 0; }
.cue-list { display: grid; gap: 7px; padding: 0; margin: 0; list-style: none; }
.cue-list li { min-width: 0; margin: 0; }
.cue-control { width: 100%; min-height: 48px; display: grid; grid-template-columns: 30px 47px minmax(0, 1fr) 15px; align-items: center; gap: 8px; padding: 6px 8px; border: 1px solid #eeeae0; border-radius: 10px; background: #fffefa; color: var(--ink); font: inherit; text-align: start; transition: border-color .18s ease, background .18s ease, opacity .18s ease; }
.cue-control:not(:disabled):hover { border-color: #b4c5b4; background: #f5f7f0; }
.cue-control:focus-visible, .goal-question:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }
.cue-control:disabled { cursor: not-allowed; opacity: .56; }
.cue-control.is-next { border-color: #c4d5c2; background: #f5f7f0; opacity: 1; }
.cue-control.is-complete { border-color: #d8e3d5; opacity: 1; }
.cue-number { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 50%; background: #ece9dc; color: var(--green-dark); font: 700 10px 'DM Sans', sans-serif; }
.cue-control.is-next .cue-number { background: var(--green); color: white; }
.cue-control.is-complete .cue-number { background: #e4eee2; color: var(--green-dark); }
.cue-time { font: 700 10px 'DM Sans', sans-serif; color: var(--clay); direction: ltr; text-align: start; }
.cue-kind { min-width: 0; font-size: 10px; font-weight: 600; }
.cue-state { color: #a4aca0; text-align: center; font-size: 13px; }
.cue-control.is-next .cue-state, .cue-control.is-complete .cue-state { color: var(--green); }
.map-note { display: flex; gap: 9px; margin-top: 13px; padding: 11px; background: #f5f3eb; border-radius: 9px; color: #778077; }
.map-note > span { color: var(--clay); font-size: 17px; }
.map-note p { font-size: 9px; line-height: 1.8; margin: 0; }
.video-rights { font-size: 10px; color: #69736b; margin: 16px 0 0; }
.video-rights a { color: var(--green-dark); font-weight: 600; }

.takeaway-section { display: grid; grid-template-columns: 72px 1fr auto; align-items: center; gap: 29px; padding-block: 50px; border-bottom: 1px solid var(--line); }
.takeaway-mark { width: 66px; height: 66px; display: grid; place-items: center; background: #e9e1c6; border-radius: 50%; color: var(--clay); }
.takeaway-mark span { font: 700 70px Georgia, serif; line-height: 1; transform: translateY(15px); }
.takeaway-copy .eyebrow { margin-bottom: 5px; }
.takeaway-copy h2 { font-size: clamp(25px, 3vw, 36px); margin-bottom: 7px; }
.takeaway-copy > p:last-child { max-width: 680px; font-size: 12px; color: var(--muted); margin: 0; }

.sources-section { padding-block: 46px; display: grid; grid-template-columns: 1fr 1.1fr; gap: 25px 6vw; align-items: center; }
.sources-section h2 { font-size: 27px; margin-bottom: 0; }
.source-card { display: flex; align-items: center; gap: 13px; padding: 16px; background: var(--white); border: 1px solid #e8e4d8; border-radius: 13px; text-decoration: none; transition: transform .2s ease, box-shadow .2s ease; }
.source-card:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(30,60,46,.07); }
.source-emblem { flex: none; width: 42px; height: 42px; display: grid; place-items: center; background: var(--green); color: white; border-radius: 50%; font: 700 12px 'DM Sans', sans-serif; }
.source-card strong, .source-card small { display: block; }
.source-card strong { font-size: 11px; }
.source-card small { color: var(--muted); font-size: 10px; margin-top: 3px; }
.source-arrow { margin-right: auto; color: var(--clay); font-size: 16px; }
.site-footer { min-height: 75px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid var(--line); color: var(--muted); }
.brand-footer { font-size: 11px; }
.brand-footer .brand-mark { width: 25px; height: 25px; }
.site-footer > p, .back-top { margin: 0; font-size: 10px; }
.back-top { color: var(--green-dark); text-decoration: none; }

.interaction-overlay { position: fixed; z-index: 100; inset: 0; display: grid; place-items: center; overflow-y: auto; padding: 22px; background: rgba(20, 38, 32, .67); backdrop-filter: blur(5px); animation: overlay-in .2s ease-out; }
.interaction-dialog { width: min(620px, 100%); background: var(--white); border-radius: 20px; padding: clamp(24px, 5vw, 42px); box-shadow: 0 26px 80px rgba(0,0,0,.22); animation: dialog-in .26s ease-out; }
.dialog-topline { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 21px; }
.dialog-type { padding: 5px 11px; border-radius: 999px; background: #e5ede4; color: var(--green-dark); font-size: 10px; font-weight: 700; }
.dialog-time { color: var(--clay); direction: ltr; font: 700 12px 'DM Sans', sans-serif; }
.dialog-step { color: #9a9e91; font-size: 10px; margin-bottom: 4px; }
.interaction-dialog h2 { font-size: clamp(23px, 4vw, 31px); line-height: 1.55; margin-bottom: 6px; }
.activity-prompt { color: var(--muted); font-size: 12px; margin-bottom: 21px; }
.activity-content { display: grid; gap: 12px; }
.answer-options { display: grid; gap: 9px; }
.answer-option { width: 100%; display: flex; align-items: center; gap: 12px; text-align: right; color: var(--ink); background: #faf9f3; border: 1px solid #e3e0d5; border-radius: 11px; padding: 12px 13px; font-size: 12px; line-height: 1.8; transition: border .2s ease, background .2s ease; }
.answer-option:hover { border-color: #a4b4a7; }
.answer-option[aria-pressed="true"] { border-color: var(--green); background: #eaf0e8; }
.option-letter { flex: none; width: 26px; height: 26px; display: grid; place-items: center; background: #ece9dc; color: var(--green-dark); border-radius: 50%; font: 700 10px 'DM Sans', sans-serif; }
.binary-options { display: grid; grid-template-columns: 1fr 1fr; gap: 11px; }
.binary-option { min-height: 58px; display: flex; justify-content: center; align-items: center; gap: 9px; border: 1px solid #e2dfd3; background: #faf9f3; border-radius: 12px; color: var(--ink); font-size: 14px; font-weight: 700; }
.binary-option span { color: var(--green); font-size: 18px; }
.binary-option:last-child span { color: var(--clay); }
.binary-option[aria-pressed="true"] { background: #e9efe8; border-color: var(--green); }
.submit-answer { justify-self: start; margin-top: 4px; }
.response-label { color: var(--green-dark); font-size: 11px; font-weight: 700; }
.response-textarea { resize: vertical; min-height: 78px; width: 100%; padding: 12px 13px; border: 1px solid #dedbd0; border-radius: 11px; color: var(--ink); background: #fbfaf6; font-size: 12px; line-height: 1.8; }
.response-textarea::placeholder { color: #a1a59b; font-size: 11px; }
.response-meta { display: flex; justify-content: space-between; color: #92968c; font-size: 9px; }
.activity-feedback { margin-top: 18px; padding: 13px 15px; border-radius: 11px; font-size: 12px; line-height: 1.9; }
.feedback-correct { color: #254b3f; background: #e7f0e7; border-right: 3px solid #6c977e; }
.feedback-retry { color: #71473c; background: #f6ebe5; border-right: 3px solid var(--clay); }
.continue-button { margin-top: 18px; }
.dialog-footnote { margin: 18px 0 0; color: #92968c; font-size: 9px; }
.dialog-footnote span { color: var(--green); margin-left: 4px; }
.recording-card { border: 1px solid #e4e1d7; background: #faf9f4; padding: 14px; border-radius: 12px; }
.recording-status { display: flex; align-items: flex-start; gap: 9px; color: var(--muted); font-size: 10px; }
.recording-indicator { width: 8px; height: 8px; flex: none; border-radius: 50%; margin-top: 6px; background: #8ca18e; }
.recording-status.is-recording .recording-indicator { background: #c6534b; animation: pulse 1s infinite; }
.recording-actions { display: flex; gap: 8px; margin-top: 13px; flex-wrap: wrap; }
.button-record, .button-stop { min-height: 38px; background: #f0ebe0; color: var(--green-dark); font-size: 10px; }
.button-record > span { color: var(--clay); }
.button-stop:disabled, .button-record:disabled { opacity: .48; cursor: not-allowed; }
#audio-preview { width: 100%; height: 36px; margin-top: 9px; }
.recording-privacy { color: #8a9188; font-size: 9px; margin: 8px 0 0; }
.written-fallback { display: grid; gap: 7px; }
.toast { position: fixed; z-index: 120; bottom: 24px; right: 50%; transform: translateX(50%); max-width: calc(100% - 32px); padding: 12px 18px; background: var(--green-dark); color: white; border-radius: 999px; box-shadow: 0 10px 35px rgba(20,38,32,.2); text-align: center; font-size: 11px; }
.dialog-open { overflow: hidden; }
@keyframes overlay-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes dialog-in { from { opacity: 0; transform: translateY(10px) scale(.99); } to { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes pulse { 50% { box-shadow: 0 0 0 6px rgba(198,83,75,.15); } }

@media (max-width: 900px) {
  .section-wrap { width: min(100% - 44px, 760px); }
  .site-header { padding-inline: 22px; }
  .hero { min-height: auto; gap: 30px; padding-block: 56px 50px; }
  .hero h1 { font-size: clamp(48px, 7vw, 68px); }
  .hero-art-wrap { min-height: 310px; }
  .hero-orbit { height: 245px; }
  .hero-art-card { width: min(350px, 100%); }
  .lesson-grid { grid-template-columns: 1.4fr .9fr; gap: 18px; }
  .interaction-map { padding: 17px 14px; }
}

@media (max-width: 650px) {
  html { scroll-padding-top: 72px; }
  .section-wrap { width: calc(100% - 36px); }
  .site-header { height: 64px; padding-inline: 18px; gap: 10px; }
  .brand { font-size: 11px; gap: 7px; }
  .brand-mark { width: 27px; height: 27px; }
  .main-nav { gap: 13px; }
  .main-nav a { font-size: 10px; }
  .main-nav a:nth-child(3) { display: none; }
  .sound-toggle { padding: 6px 8px; gap: 5px; }
  .sound-toggle #sound-label { font-size: 9px; }
  .sound-icon { font-size: 17px; }
  .hero { grid-template-columns: 1fr; gap: 17px; padding-block: 44px 36px; }
  .hero-copy { order: 1; }
  .hero-art-wrap { order: 2; min-height: 275px; margin-inline: 4px; }
  .hero-art-card { width: min(360px, 86%); }
  .hero-orbit { width: 80%; height: 223px; }
  .hero h1 { font-size: clamp(48px, 14vw, 67px); }
  .hero-lede { font-size: 13px; }
  .hero-proof { margin-top: 20px; }
  .progress-inner { min-height: 70px; grid-template-columns: auto 1fr; gap: 7px 12px; }
  .progress-copy { grid-column: 1; grid-row: 1; font-size: 9px; gap: 7px; }
  .progress-count { grid-column: 2; grid-row: 1; text-align: left; font-size: 9px; }
  .progress-track { grid-column: 1 / -1; grid-row: 2; width: 100%; }
  .section-pad { padding-block: 72px; }
  .intro-section { grid-template-columns: 1fr; gap: 21px; }
  .section-index { flex-direction: row; align-items: center; gap: 9px; padding-top: 12px; }
  .section-index strong { font-size: 28px; margin: 0; }
  .section-index small { font-size: 8px; }
  .intro-content h2, .section-heading h2, .lesson-heading h2, .takeaway-copy h2 { font-size: 28px; }
  .body-copy { font-size: 12px; }
  .principle-row { grid-template-columns: 1fr; gap: 0; margin-top: 20px; }
  .principle { padding-block: 11px; }
  .goals-section { padding-top: 15px; padding-bottom: 73px; }
  .goal-list { grid-template-columns: 1fr; }
  .goal-item { padding-block: 14px; }
  .goal-item p { font-size: 11px; }
  .lesson-section { padding-block: 53px 45px; }
  .lesson-heading { display: block; margin-bottom: 19px; }
  .lesson-heading h2 { margin-bottom: 9px; }
  .source-inline { display: inline-block; font-size: 10px; }
  .lesson-grid { grid-template-columns: 1fr; gap: 17px; }
  .video-frame { border-radius: 13px; }
  .video-underbar { font-size: 9px; }
  .interaction-map { padding: 15px; }
  .cue-control { min-height: 50px; grid-template-columns: 30px 43px minmax(0, 1fr) 14px; gap: 6px; padding-inline: 6px; }
  .video-rights { line-height: 1.9; }
  .takeaway-section { grid-template-columns: 48px 1fr; gap: 15px; padding-block: 38px; }
  .takeaway-mark { width: 46px; height: 46px; }
  .takeaway-mark span { font-size: 53px; transform: translateY(12px); }
  .takeaway-copy > p:last-child { font-size: 10px; }
  .takeaway-section .button { grid-column: 2; justify-self: start; font-size: 10px; min-height: 40px; }
  .sources-section { grid-template-columns: 1fr; gap: 14px; padding-block: 36px; }
  .sources-section h2 { font-size: 24px; }
  .site-footer { min-height: 76px; flex-wrap: wrap; padding-block: 12px; gap: 10px; }
  .site-footer > p { order: 3; width: 100%; }
  .interaction-overlay { padding: 12px; align-items: center; }
  .interaction-dialog { padding: 22px 18px; border-radius: 16px; }
  .interaction-dialog h2 { font-size: 22px; }
  .activity-prompt { font-size: 11px; }
  .answer-option { font-size: 11px; padding: 10px; }
  .toast { bottom: 12px; font-size: 10px; border-radius: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}


/* Bilingual controls, narrated questions, and answer-state illustrations */
.header-actions { display: inline-flex; align-items: center; gap: 9px; flex: none; }
.language-toggle { min-height: 36px; display: inline-flex; align-items: center; justify-content: center; gap: 7px; padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--green-dark); background: var(--white); font-size: 11px; font-weight: 700; }
.language-toggle:hover { border-color: var(--green); background: #f1f4ed; }
.audio-explain-button { display: inline-flex; align-items: center; gap: 9px; min-height: 40px; margin: 0 0 13px; padding: 8px 13px; border: 1px solid #c8d5c7; border-radius: 10px; background: #f5f7f1; color: var(--green-dark); font-size: 11px; font-weight: 700; }
.audio-explain-button:hover { background: var(--green-pale); }
.audio-button-icon { width: 23px; height: 23px; display: grid; place-items: center; border-radius: 50%; background: var(--green); color: white; font-size: 9px; }
.credits-section { padding-block: 16px 34px; border-top: 1px solid var(--line); }
.ai-note { max-width: 980px; margin-inline: auto; display: grid; grid-template-columns: minmax(210px, .72fr) 1.28fr; align-items: center; gap: 24px; padding: 22px 24px; border-inline-start: 3px solid var(--gold); border-radius: 14px; background: rgba(255,254,250,.88); }
.ai-note-heading { display: flex; align-items: center; gap: 13px; }
.ai-mark { width: 42px; height: 42px; flex: none; display: grid; place-items: center; border-radius: 12px; background: #f1ebd5; color: var(--green-dark); font: 700 12px 'DM Sans', sans-serif; }
.ai-note-heading .eyebrow { margin-bottom: 3px; }
.ai-note-heading h2 { margin: 0; color: var(--green-dark); font-size: 17px; line-height: 1.5; }
.ai-note > p:last-child { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.9; }
.activity-feedback.feedback-correct { border-color: #7b9f81; background: #edf4ec; color: var(--green-dark); }
.activity-feedback.feedback-review { border-color: #d3a07f; background: #fbf0e8; color: #634c3e; }
.feedback-visual { display: grid; grid-template-columns: 80px 1fr 36px; align-items: center; gap: 13px; }
.feedback-art { display: block; width: 80px; height: 80px; object-fit: contain; border-radius: 16px; background: rgba(255,255,255,.68); }
.feedback-copy strong { display: block; margin-bottom: 4px; font-size: 14px; }
.feedback-copy p { margin: 0; font-size: 11px; line-height: 1.8; }
.feedback-replay { width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid currentColor; border-radius: 50%; color: var(--green-dark); background: rgba(255,255,255,.5); font-size: 18px; }
.feedback-review .feedback-replay { color: #8b5d42; }

html[dir="ltr"] body { font-family: 'DM Sans', system-ui, sans-serif; }
html[dir="ltr"] .skip-link { right: auto; left: 8px; }
html[dir="ltr"] .hero-copy, html[dir="ltr"] .intro-content, html[dir="ltr"] .section-heading, html[dir="ltr"] .lesson-heading, html[dir="ltr"] .takeaway-copy, html[dir="ltr"] .sources-section, html[dir="ltr"] .credits-section, html[dir="ltr"] .interaction-dialog { text-align: left; }
html[dir="ltr"] .section-heading { margin-left: 0; margin-right: auto; }
html[dir="ltr"] .progress-count { text-align: right; }
html[dir="ltr"] .source-arrow { margin-left: auto; margin-right: 0; }
html[dir="ltr"] .live-dot { margin-right: 5px; margin-left: 0; }
html[dir="ltr"] .cue-time { text-align: left; }
html[dir="ltr"] .answer-option { text-align: left; }
html[dir="ltr"] .activity-feedback { border-right: 0; border-left: 4px solid var(--green); }
html[dir="ltr"] .activity-feedback.feedback-review { border-left-color: #d3a07f; }
html[dir="ltr"] .feedback-copy { text-align: left; }
html[dir="ltr"] .hero-proof { flex-direction: row; }
html[dir="ltr"] .chip-one { left: 6%; right: auto; }
html[dir="ltr"] .chip-two { right: 3%; left: auto; }
html[dir="ltr"] .direction-arrow { display: inline-block; transform: rotate(180deg); }

@media (max-width: 800px) {
  .site-header { gap: 12px; }
  .main-nav { gap: 13px; }
  .header-actions { gap: 6px; }
  .language-toggle, .sound-toggle { padding: 6px 9px; font-size: 10px; }
}
@media (max-width: 620px) {
  .site-header { height: 66px; padding-inline: 14px; gap: 8px; }
  .brand { gap: 6px; font-size: 10px; }
  .brand-mark { width: 25px; height: 25px; }
  .main-nav { display: none; }
  .header-actions { gap: 5px; }
  .language-toggle, .sound-toggle { min-height: 32px; padding: 5px 7px; font-size: 9px; gap: 5px; }
  .sound-icon { font-size: 15px; }
  .credits-section { padding-block: 14px 28px; }
  .ai-note { grid-template-columns: 1fr; gap: 12px; padding: 16px; }
  .ai-note-heading h2 { font-size: 15px; }
  .feedback-visual { grid-template-columns: 58px 1fr 32px; gap: 9px; }
  .feedback-art { width: 58px; height: 58px; border-radius: 13px; }
  .feedback-copy strong { font-size: 12px; }
  .feedback-copy p { font-size: 10px; }
  .feedback-replay { width: 30px; height: 30px; }
}


/* Clear goal-to-question links, accessible language switching, and the short practice game. */
.goal-item p { flex: 1; }
.goal-question { width: 44px; height: 44px; flex: none; display: inline-grid; place-items: center; border: 0; border-radius: 9px; color: var(--green-dark); background: transparent; font-size: 23px; font-weight: 700; line-height: 1; text-decoration: none; white-space: nowrap; transition: color .18s ease, background .18s ease; }
.goal-question:hover { color: var(--clay); background: #f4f6ef; }
.activity-language-toggle { flex: none; min-height: 40px; padding: 6px 10px; border: 1px solid var(--line); border-radius: 999px; background: #faf9f4; color: var(--green-dark); font-size: 11px; font-weight: 700; }
.dialog-topline { flex-wrap: wrap; }
.game-section { padding-block: 94px; border-bottom: 1px solid var(--line); }
.game-heading { max-width: 760px; }
.game-shell { max-width: 760px; margin-inline: auto; padding: clamp(18px, 4vw, 32px); background: var(--white); border: 1px solid #e8e4d8; border-radius: 20px; box-shadow: 0 12px 34px rgba(30,60,46,.07); }
.game-status { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding-bottom: 13px; border-bottom: 1px solid #eeeae0; color: var(--muted); font-size: 11px; font-weight: 700; }
.game-status span:last-child { color: var(--green-dark); }
.game-body { min-height: 210px; padding-top: 22px; }
.game-welcome, .game-result { max-width: 560px; margin: 0 auto; padding: 12px 8px 4px; text-align: center; }
.game-welcome p, .game-result p { margin: 0 auto 20px; color: var(--muted); font-size: 13px; line-height: 1.9; }
.game-round-card { max-width: 600px; margin-inline: auto; }
.game-scenario { margin-bottom: 6px; color: var(--clay); font-size: 10px; font-weight: 700; }
.game-question { margin-bottom: 16px; font-size: clamp(17px, 2.4vw, 22px); line-height: 1.65; }
.game-options { display: grid; gap: 9px; }
.game-option { width: 100%; min-height: 50px; padding: 11px 14px; border: 1px solid #e3e0d5; border-radius: 12px; background: #faf9f3; color: var(--ink); text-align: start; font-size: 12px; line-height: 1.8; transition: border-color .2s ease, background .2s ease, transform .2s ease; }
.game-option:hover:not(:disabled) { border-color: #a4b4a7; transform: translateY(-1px); }
.game-option:disabled { cursor: default; opacity: .72; }
.game-feedback { margin: 14px 0 10px; padding: 11px 13px; border-radius: 10px; font-size: 11px; line-height: 1.8; }
.game-feedback.is-correct { color: #254b3f; background: #e7f0e7; border-inline-start: 3px solid #6c977e; }
.game-feedback.is-retry { color: #71473c; background: #f6ebe5; border-inline-start: 3px solid var(--clay); }
.game-next { margin-top: 10px; }
.game-result-score { color: var(--clay) !important; font: 700 38px 'DM Sans', sans-serif; }
.game-result h3 { margin-bottom: 9px; font-size: 23px; }
html[dir="ltr"] .goal-item { direction: ltr; }
html[dir="ltr"] .game-option { text-align: left; }
@media (max-width: 800px) {
  .game-section { padding-block: 70px; }
}
@media (max-width: 620px) {
  .language-toggle, .sound-toggle { min-height: 44px; padding: 7px 9px; font-size: 10px; }
  .activity-language-toggle { min-height: 44px; padding: 7px 10px; font-size: 11px; }
  .dialog-topline { gap: 8px; margin-bottom: 16px; }
  .dialog-type { margin-inline-end: auto; }
  .goal-item { gap: 9px; align-items: center; padding: 15px 2px; }
  .goal-item p { font-size: 12px; }
  .goal-question { width: 44px; height: 44px; padding: 0; font-size: 22px; }
  .game-status { font-size: 10px; }
  .game-option { min-height: 52px; font-size: 12px; }
}