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@media(max-width:360px){.hero h1{font-size:40px}.device{width:280px}.app-greeting h3{font-size:20px}.mission{padding:12px}.mission h4{font-size:28px;margin-top:12px}.app-panels{padding:10px 12px}.app-small-title{margin-top:10px}.app-steps>span{padding:7px 1px}.preview-stage{padding:18px 8px}.header-inner{gap:8px}.brand{gap:8px}.brand>strong{font-size:23px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
[data-panel="home"] .app-steps{margin-top:14px}[data-panel="home"] .app-greeting h3{font-size:22px}[data-panel="home"] .mission{padding:12px 14px}[data-panel="home"] .mission h4{margin-top:14px}[data-panel="home"] .mission-bottom{margin-top:10px}

/* Keep the desktop introduction within the visible browser height. */
@media (min-width: 981px) and (min-height: 650px) {
  .header-inner { min-height:84px; padding-top:12px; padding-bottom:12px; }
  .hero { min-height:calc(100svh - 85px); grid-template-columns:minmax(0,1.35fr) minmax(300px,.8fr); gap:clamp(28px,4vw,70px); padding-top:18px; padding-bottom:18px; }
  .hero-copy { min-width:0; }
  .hero .eyebrow { margin-bottom:14px; }
  .hero h1 { font-size:clamp(44px,4.3vw,64px); line-height:1.16; margin-bottom:18px; }
  .hero-copy .lead { font-size:22px; line-height:1.5; }
  .hero-actions { margin-top:22px; gap:20px; }
  .hero-actions .button { padding:16px 24px; }
  .hero .availability { margin-top:10px; }
  .hero .country-heading { margin-top:22px; }
  .hero .flag-rail { padding-top:10px; padding-bottom:8px; gap:16px; }
  .hero .flag-item { flex-basis:80px; gap:5px; }
  .hero .flag-item img { width:80px; height:80px; }
  .hero .preview-stage { padding:12px 16px; border-radius:24px; justify-self:center; width:100%; max-width:390px; }
  .hero .preview-heading { font-size:17px; line-height:24px; margin-bottom:8px; }
  .hero .device { --phone-height:min(560px,calc(100svh - 225px)); height:var(--phone-height); width:calc(var(--phone-height) * .479278); border-width:5px; border-radius:32px; }
  .hero .preview-caption { display:flex; justify-content:center; align-items:center; gap:10px; flex-wrap:wrap; font-size:12px; line-height:18px; margin-top:10px; }
  .hero .preview-caption button { margin:0; padding:0; font-size:11px; line-height:18px; }
  .hero .status { height:23px; }
  .hero .camera { top:7px; width:9px; height:9px; }
  .hero .app-top { padding:4px 12px 8px; }
  .hero .app-top strong { font-size:19px; }
  .hero .app-panels { padding:10px 12px; }
  .hero .app-greeting { margin-bottom:9px; }
  .hero [data-panel="home"] .app-greeting>span { display:none; }
  .hero .progress-line { margin-bottom:3px; }
  .hero .progress-track { margin-bottom:9px; }
  .hero [data-panel="home"] .mission { padding:10px 12px; margin-bottom:10px; }
  .hero [data-panel="home"] .mission h4 { font-size:30px; margin:10px 0 4px; }
  .hero [data-panel="home"] .mission-bottom { margin-top:7px; }
  .hero .app-cta { min-height:39px; padding:7px 5px; font-size:14px; }
  .hero [data-panel="home"] .app-steps { margin-top:10px; }
  .hero .app-steps>span { padding:7px 1px; gap:3px; }
  .hero .app-steps .ic { width:18px; height:18px; }
  .hero .app-nav { padding:6px 6px 2px; }
  .hero .gesture { margin:5px 0 7px; }
}
@media (min-width:981px) and (min-height:650px) and (max-height:800px) {
  .hero h1 { font-size:clamp(44px,4vw,56px); }
  .hero .eyebrow { font-size:14px; margin-bottom:10px; }
  .hero-copy .lead { font-size:21px; }
  .hero-actions { margin-top:18px; }
  .hero .country-heading { margin-top:16px; }
  .hero .flag-item { flex-basis:72px; }
  .hero .flag-item img { width:72px; height:72px; }
  .hero .preview-caption { display:block; line-height:16px; }
  .hero .preview-caption button { line-height:16px; margin:2px auto 0; }
}

/* Let the country rail scroll inside the narrow layout without widening the page. */
.hero-copy{min-width:0}
@media (min-width:981px) and (min-height:650px) and (max-height:740px) {
  .hero .app-steps .ic { display:none; }
  .hero .app-steps>span { padding:4px 1px; gap:0; }
  .hero [data-panel="home"] .app-steps { margin-top:6px; }
}
/* Learning language is independent from the marketing-site language. */
.app-top .learning-language{min-width:90px;max-width:118px;min-height:36px;border:1px solid #c7c7db;border-radius:9px;padding:5px;color:#20243c;background:#fff;font:700 14px/1.3 inherit;font-family:inherit;font-size:14px;font-weight:700}
.device .learning-card [data-learning-primary]{font-size:23px;line-height:1.3;font-weight:800;color:#20243c;margin:12px 0 6px;word-break:normal}
.device .learning-card .learning-korean{font-size:26px;line-height:1.35;font-weight:800;color:#20243c;margin:0 0 8px;word-break:keep-all}
.device .learning-card .mission-bottom{margin-top:0;font-size:14px;font-weight:700;color:#414762;gap:4px}
.learning-audio{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.learning-audio button{flex:1;min-height:40px;border:1px solid #b9b4ed;border-radius:9px;background:white;color:#36309b;font-family:inherit;font-size:14px;font-weight:800;padding:6px;cursor:pointer;white-space:nowrap}
.learning-audio button[aria-pressed=true]{background:#5548de;color:white}
.learning-audio [hidden],.learning-card [hidden],.learning-instruction [hidden]{display:none!important}
.device .learning-instruction p{font-size:16px;line-height:1.5;color:#20243c;font-weight:700;margin:9px 0}
.device .learning-instruction p[lang=ko]{border-top:1px solid #c7c7db;padding-top:9px}
.speech-status{font-size:14px;line-height:1.4;font-weight:700;color:#20243c;margin:6px 0 0}
.speech-status[hidden]{display:none}
@media(min-width:981px) and (min-height:650px){.device .learning-card{padding:10px}.device .learning-card [data-learning-primary]{font-size:22px;margin-top:8px}.device .learning-card .learning-korean{font-size:25px}.device .learning-card .mission-bottom{font-size:13px}.learning-audio{margin-top:8px}.device .app-top{gap:6px}.device .app-top strong{font-size:19px}.device .learning-language{max-width:106px;min-width:80px}.device .learning-card .phrase-next{width:28px;height:28px;min-height:28px}}
.hero [data-panel] .learning-card h4{white-space:normal;overflow-wrap:anywhere;letter-spacing:-.025em;font-size:23px;line-height:1.3;margin:10px 0 6px}
@media(min-width:981px) and (min-height:650px){.hero [data-panel] .learning-card h4{font-size:22px;margin:8px 0 6px}.hero [data-panel="home"] .app-greeting{margin-bottom:8px}.hero [data-panel="home"] .app-greeting h3{font-size:20px;line-height:1.25}.hero [data-panel="home"] .learning-card .mission-bottom{margin-top:0}.hero [data-panel="home"] .app-cta{margin-top:8px;padding:9px 6px}}
@media(min-width:981px) and (min-height:650px) and (max-height:740px){.hero [data-panel="home"] .app-greeting{display:none}.hero [data-panel="home"] .learning-card h4{font-size:21px}.hero [data-panel="home"] .learning-card .learning-korean{font-size:23px}.hero [data-panel="home"] .learning-card .mission-bottom{font-size:12px;line-height:1.4}}
/* The day number already appears on the lesson card. Keep space for listening. */
@media(min-width:981px) and (min-height:650px){.hero [data-panel="home"] .progress-line,.hero [data-panel="home"] .progress-track{display:none}.hero [data-panel="home"] .learning-card{margin-bottom:0}}
/* Current locale, with a horizontal country picker. */
.language{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:44px;white-space:nowrap;font-size:17px;padding:9px 11px;color:#202236;background:#fff}
.language img{width:26px;height:20px;object-fit:cover;border-radius:4px}
/* A header-attached disclosure: the page stays bright and interactive. */
.country-dialog{position:absolute;top:100%;left:0;right:0;z-index:20;display:grid;grid-template-rows:0fr;visibility:hidden;pointer-events:none;transition:grid-template-rows .34s cubic-bezier(.22,.75,.25,1),visibility 0s .34s;color:var(--ink)}
.country-dialog[data-open=true]{grid-template-rows:1fr;visibility:visible;pointer-events:auto;transition:grid-template-rows .34s cubic-bezier(.22,.75,.25,1),visibility 0s}
.country-drawer-clip{min-height:0;overflow:hidden;padding:0 0 12px;opacity:0;transform:translateY(-12px);transition:opacity .24s ease,transform .34s cubic-bezier(.22,.75,.25,1)}
.country-dialog[data-open=true] .country-drawer-clip{opacity:1;transform:translateY(0)}
.country-drawer-surface{background:#fff;border-bottom:1px solid #e4e5ee;box-shadow:0 5px 12px #20223609;padding:22px 36px 12px}
.country-picker-row{display:flex;align-items:center;gap:18px;max-width:1368px;margin:auto;min-width:0}
.country-options{display:flex;gap:8px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding:4px 2px 8px;flex:1;min-width:0;overscroll-behavior-x:contain}
.country-options::-webkit-scrollbar{display:none}
.country-option{position:relative;flex:1 0 118px;display:flex;flex-direction:column;align-items:center;gap:5px;padding:10px 6px 9px;border:0;border-radius:12px;scroll-snap-align:center;color:#202236;background:#fff;font-size:16px;line-height:1.4;transition:background .16s}
.country-option:hover{background:#f6f5fd}
.country-option:focus-visible{outline:2px solid #1672e8;outline-offset:-2px}
.country-option[aria-pressed=true]{background:#edf5ff}
.country-option img{width:54px;height:38px;object-fit:cover;border-radius:7px;box-shadow:0 0 0 1px #e4e4ea;margin-bottom:8px}
.country-option strong{font-size:16px;line-height:1.35;font-weight:800;min-height:43px;display:flex;align-items:center;justify-content:center;text-align:center;word-break:normal}
.country-option[aria-pressed=true] strong{color:#105dc4}
.country-native{font-size:14px;font-weight:650;color:#5b5f70}
.country-selected{position:absolute;top:6px;left:calc(50% + 18px);width:18px;height:18px;border:2px solid #fff;border-radius:50%;background:#1672e8;color:white;font-size:11px;font-weight:800;line-height:14px;visibility:hidden}
.country-option[aria-pressed=true] .country-selected{visibility:visible}
.country-picker-arrow{flex:none;width:36px;height:36px;border:1px solid #e1e2eb;border-radius:50%;font-size:22px;background:#fff;box-shadow:0 2px 4px #20223605}
.country-picker-arrow:hover{background:#edf5ff;color:#105dc4}
.country-user-count{display:block;border:1px solid #dcdce7;border-radius:999px;padding:3px 8px;font-size:13px;font-weight:800;line-height:1.5;color:#46495f;background:#f5f5fa;white-space:nowrap;text-align:center}
.country-option .country-user-count{font-size:12px;margin-top:4px;padding:2px 9px;background:#fff;border-color:#e1e2e9}
.country-stats-note{font-size:13px;line-height:1.5;font-weight:700;color:#52566b;margin:8px 0 0}
.country-dialog .country-stats-note{text-align:center;margin:4px 0 0;font-size:12px;font-weight:600;color:#636778}
.country-drawer-handle{height:37px;display:flex;justify-content:center}
.country-dialog-close{position:relative;display:flex;gap:12px;align-items:center;justify-content:center;min-width:210px;height:37px;margin-top:-1px;padding:0 24px 5px;border:1px solid #e4e5ee;border-top:0;border-radius:0 0 24px 24px;background:white;box-shadow:0 6px 9px #20223608;font-size:14px;font-weight:800;color:#34374b}
.country-dialog-close svg{color:#1672e8}
.country-visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
.language>span:last-child{transition:transform .25s ease}
.language[aria-expanded=true]{border-color:#c6c0f4;background:#f7f5ff}
.language[aria-expanded=true]>span:last-child{transform:rotate(180deg)}
@media(prefers-reduced-motion:reduce){.country-dialog,.country-drawer-clip,.language>span:last-child{transition:none}}
.flag-item{padding:0;border:0;border-radius:12px;align-content:start;justify-items:center;min-width:0}
.flag-item[aria-pressed=true] img{outline:3px solid #1672e8;outline-offset:2px}
.flag-item .country-user-count{margin-top:1px;font-size:12px;padding:2px 7px}
.country .country-user-count{margin-top:14px;font-size:15px}
html:lang(ja) .hero-copy h1,html:lang(zh) .hero-copy h1,html:lang(zh-Hant) .hero-copy h1{font-size:clamp(36px,3.8vw,58px)}
html:lang(th) .hero-copy h1{font-size:clamp(36px,3.6vw,56px);line-height:1.45}
@media(min-width:981px) and (min-height:650px){.hero .flag-rail{padding-top:10px;padding-bottom:6px;gap:14px}.hero .country-heading{margin-top:20px}.hero .country-stats-note{font-size:12px;margin-top:4px}.hero .flag-item{gap:6px}}
@media(max-width:980px){.country-drawer-surface{padding:15px 14px 10px}.country-option{flex-basis:120px}.country-picker-row{gap:6px}.country-picker-arrow{width:32px;height:32px}.language img{display:none}.country-dialog-close{min-width:190px}}
@media(max-width:480px){.country-drawer-surface{padding-left:8px;padding-right:8px}.country-picker-row{gap:2px}.country-option{flex-basis:116px}.country-option strong{font-size:15px}.country-dialog-close{font-size:13px}}

.flag-item>span[data-en]{min-height:42px;display:flex;align-items:center;justify-content:center;line-height:1.4}

/* Countries outside the featured communities can still join in the app. */
.country-other{position:relative;flex:1 0 118px;display:flex;flex-direction:column;align-items:center;gap:5px;padding:10px 6px 9px;border-radius:12px;background:#faf9ff;text-align:center;scroll-snap-align:center}
.country-other img{width:54px;height:38px;border-radius:7px;margin-bottom:8px}
.country-other strong{font-size:16px;font-weight:800;line-height:1.35;min-height:43px;display:flex;align-items:center}
.country-other .country-native{white-space:nowrap;font-size:13px}
.country-other .country-user-count{font-size:12px;background:#1672e8;border-color:#1672e8;color:#fff;margin-top:4px;padding:2px 9px}
.country-other:hover{background:#e8f2ff}
.country-request-link{display:block;text-align:center;font-size:14px;line-height:1.5;font-weight:800;color:#105dc4;margin:10px 0 0;text-decoration:underline;text-underline-offset:3px}
.home-request-link{text-align:left;font-size:13px;margin-top:2px}
.worldwide-section{padding-top:50px;padding-bottom:40px;scroll-margin-top:30px}
.worldwide-intro img{margin-bottom:18px}.worldwide-intro h2{margin-bottom:14px}
.worldwide-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin:30px 0}
.worldwide-steps article{padding:26px;background:#f5f3ff;border-radius:18px}.worldwide-number{color:#1672e8;font-size:17px}.worldwide-steps h3{font-size:23px;margin:14px 0}.worldwide-steps p{font-size:18px;line-height:1.65;color:#34384c}
.worldwide-note{padding:24px;border:1px solid #dedce9;border-radius:16px}.worldwide-note strong{font-size:18px}.worldwide-note p{font-size:17px;margin-top:10px}.worldwide-release{font-size:16px;color:#45495e;font-weight:700;margin-top:20px}
@media(max-width:760px){.worldwide-steps{grid-template-columns:1fr}.worldwide-section{padding-top:30px}.country-request-link{font-size:13px}.country-other{flex-basis:116px}}

.voice-settings{width:100%;margin:8px 0 0;color:#24283e;font-size:14px;font-weight:750}
.voice-settings summary{cursor:pointer;text-align:center;color:#443ab4;text-decoration:underline;text-underline-offset:3px;padding:4px}
.voice-settings-fields{display:grid;gap:9px;padding:12px;border:1px solid #d5d1ef;border-radius:12px;background:#fff;margin-top:6px}
.voice-settings label{display:grid;gap:4px;font-size:14px;font-weight:800}
.voice-settings select{width:100%;min-width:0;min-height:36px;font:700 14px/1.4 Arial,sans-serif;color:#24283e;background:#fff;border:1px solid #b7b4cd;border-radius:7px;padding:6px}
.voice-settings [hidden]{display:none}