/* SUPPORT-0054 · Languages = structured learning. */
.language-shell{--lesson-blue:#6088ff;--lesson-purple:#8b65f6;--lesson-pink:#ee6ab2;--lesson-mint:#55d8ad;--lesson-yellow:#ffd778}
.language-hub{display:grid;gap:72px;padding-top:92px;padding-bottom:72px}
.language-hero{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(320px,.92fr);gap:64px;align-items:center;min-height:540px}
.language-hero>div:first-child{min-width:0;overflow:visible}
.language-hero .display-title{font-size:clamp(3.45rem,6.15vw,6.1rem);line-height:.95;margin:22px 0 24px;max-width:100%;overflow:visible}
.language-hero .display-title .headline-line{width:fit-content;max-width:none}
.language-hero .display-title .headline-line:nth-child(3){font-size:.82em}
.language-hero .copy{max-width:720px;font-size:1.02rem}
.language-role-pills{display:flex;flex-wrap:wrap;gap:9px;margin-top:25px}
.language-role-pills span{display:flex;align-items:center;gap:7px;min-height:38px;padding:7px 12px;border:1px solid var(--line);border-radius:999px;background:color-mix(in srgb,var(--surface) 92%,transparent);box-shadow:0 7px 20px rgba(44,66,105,.08);font-size:.72rem;color:var(--muted)}
.language-role-pills b{color:var(--ink-strong);font-weight:950}
.language-hero-visual{display:grid;place-items:center;min-height:420px}
.lesson-orbit{position:relative;width:min(390px,88vw);max-width:100%;aspect-ratio:1;border-radius:38% 62% 52% 48%/45% 40% 60% 55%;display:grid;place-items:center;background:linear-gradient(145deg,color-mix(in srgb,var(--surface-cyan) 84%,var(--surface)),color-mix(in srgb,var(--surface-lilac) 80%,var(--surface)));border:1px solid color-mix(in srgb,var(--purple) 16%,var(--line));box-shadow:0 30px 80px rgba(72,86,140,.15)}
.lesson-orbit::before,.lesson-orbit-ring{content:"";position:absolute;inset:13%;border:1px dashed color-mix(in srgb,var(--purple) 17%,transparent);border-radius:50%}.lesson-orbit-ring{inset:27%;border-style:solid;opacity:.45}
.lesson-core{position:relative;z-index:2;width:132px;height:132px;border-radius:34px;display:grid;place-items:center;align-content:center;gap:3px;background:linear-gradient(155deg,#ffe29a,#ffb869);box-shadow:0 12px 0 rgba(213,139,70,.16),0 26px 45px rgba(67,75,118,.18);transform:rotate(-1deg)}
.lesson-core em{font-size:.66rem;letter-spacing:.14em;font-weight:950;color:#71449d;font-style:normal}.lesson-core strong{font-size:2.4rem;line-height:1;color:#633b8d}.lesson-core-flag{width:28px;height:19px;border-radius:5px;overflow:hidden;display:grid;place-items:center;box-shadow:0 2px 7px rgba(70,58,92,.16);border:1px solid rgba(255,255,255,.58)}.lesson-core-flag img{width:100%;height:100%;object-fit:cover;display:block}
.lesson-node{position:absolute;z-index:2;min-width:66px;min-height:56px;padding:8px 10px;border-radius:18px;display:grid;place-items:center;background:color-mix(in srgb,var(--surface) 94%,transparent);border:1px solid var(--line);box-shadow:0 12px 30px rgba(50,68,110,.13);font-size:.84rem;font-weight:950;color:var(--purple)}
.lesson-node .icon{width:22px;height:22px}.node-listen{left:12%;top:20%;animation:lesson-float-a 5.8s ease-in-out infinite}.node-read{right:9%;top:25%;animation:lesson-float-b 6.4s ease-in-out infinite}.node-play{right:16%;bottom:16%;animation:lesson-float-a 6.8s ease-in-out infinite reverse}
@keyframes lesson-float-a{50%{transform:translateY(-8px) rotate(2deg)}}@keyframes lesson-float-b{50%{transform:translateY(7px) rotate(-2deg)}}

.language-section{display:grid;gap:25px}.language-section .section-head{display:flex;justify-content:space-between;align-items:end}.language-section .section-title{font-size:clamp(2rem,4vw,3.7rem);margin:8px 0}.language-section .copy{max-width:760px}
.language-learning-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
.learning-card{position:relative;overflow:hidden;min-height:360px;padding:28px;border:1px solid var(--line);border-radius:30px;text-decoration:none;color:var(--ink);background:var(--surface);box-shadow:var(--shadow-card);display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.learning-card::after{content:"";position:absolute;inset:auto -18% -42% 30%;height:62%;border-radius:50%;background:radial-gradient(circle,color-mix(in srgb,var(--purple) 13%,transparent),transparent 66%);pointer-events:none}
.lesson-card{background:linear-gradient(145deg,color-mix(in srgb,var(--surface-cyan) 70%,var(--surface)),color-mix(in srgb,var(--surface-lilac) 72%,var(--surface)))}
.practice-card{background:linear-gradient(145deg,color-mix(in srgb,var(--surface-lilac) 66%,var(--surface)),color-mix(in srgb,var(--surface-warm) 68%,var(--surface)))}
.learning-card-top{display:flex;justify-content:space-between;align-items:center;gap:16px}.lesson-index,.practice-mark{width:48px;height:48px;border-radius:16px;display:grid;place-items:center;background:var(--surface);border:1px solid var(--line);box-shadow:0 5px 0 color-mix(in srgb,var(--line-strong) 70%,transparent);font-weight:950;color:var(--blue)}.practice-mark .icon{width:24px;height:24px;color:var(--purple)}
.lesson-status{font-size:.68rem;font-weight:950;text-transform:uppercase;letter-spacing:.09em;color:var(--muted)}
.number-ribbon,.word-ribbon{height:90px;display:flex;align-items:center;justify-content:center;gap:10px;margin:28px 0 12px}
.number-ribbon b,.number-ribbon strong{width:52px;height:52px;border-radius:17px;display:grid;place-items:center;background:var(--surface);border:1px solid color-mix(in srgb,var(--blue) 25%,var(--line));font-size:1rem;color:var(--blue)}
.number-ribbon i{width:28px;height:6px;border-radius:99px;background:color-mix(in srgb,var(--blue) 34%,var(--line))}.number-ribbon i:nth-of-type(2){background:color-mix(in srgb,var(--purple) 42%,var(--line))}.number-ribbon i:nth-of-type(3){background:color-mix(in srgb,var(--pink) 42%,var(--line))}
.word-ribbon span,.word-ribbon strong{padding:12px 18px;border-radius:16px;background:var(--surface);border:1px solid var(--line);font-size:1.15rem}.word-ribbon strong{color:var(--purple)}.word-ribbon i{width:34px;height:2px;background:linear-gradient(90deg,var(--blue),var(--purple))}
.learning-card h3{font-size:1.55rem;margin:8px 0 10px}.learning-card p{color:var(--muted);line-height:1.65;margin:0;max-width:620px}.learning-card-meta{display:flex;flex-wrap:wrap;gap:7px;margin-top:18px}.learning-card-meta span{padding:6px 9px;border-radius:999px;background:color-mix(in srgb,var(--surface) 88%,transparent);border:1px solid var(--line);font-size:.68rem;color:var(--muted);font-weight:800}
.learning-card-cta{margin-top:auto;padding-top:24px;display:inline-flex;align-items:center;gap:8px;font-weight:950;color:var(--purple)}.learning-card-cta .icon{width:18px;height:18px}
@media(hover:hover) and (pointer:fine){.learning-card:hover{transform:translateY(-5px);box-shadow:0 24px 55px rgba(42,61,102,.16);border-color:color-mix(in srgb,var(--purple) 28%,var(--line))}.learning-card:hover .learning-card-cta .icon{transform:translateX(4px)}}

.learning-flow{padding:30px;display:grid;grid-template-columns:minmax(240px,.75fr) minmax(0,1.25fr);gap:30px;align-items:center;background:linear-gradient(120deg,color-mix(in srgb,var(--surface-lilac) 55%,var(--surface)),var(--surface),color-mix(in srgb,var(--surface-cyan) 50%,var(--surface)))}
.learning-flow h2{font-size:clamp(1.8rem,3vw,3rem);margin:7px 0 10px}.learning-flow p{margin:0;color:var(--muted);line-height:1.65}
.flow-steps{display:grid;grid-template-columns:1fr 36px 1fr 36px 1fr;align-items:center;gap:6px}.flow-steps>span{min-height:150px;border:1px solid var(--line);border-radius:22px;background:color-mix(in srgb,var(--surface) 90%,transparent);padding:18px;display:grid;align-content:start;gap:8px}.flow-steps b{width:32px;height:32px;border-radius:11px;display:grid;place-items:center;background:var(--surface-lilac);color:var(--purple)}.flow-steps strong{font-size:1rem}.flow-steps small{color:var(--muted);line-height:1.5}.flow-steps>i{height:2px;background:linear-gradient(90deg,var(--blue),var(--purple));position:relative}.flow-steps>i::after{content:"";position:absolute;right:-1px;top:-3px;width:8px;height:8px;border-right:2px solid var(--purple);border-top:2px solid var(--purple);transform:rotate(45deg)}

/* Number lesson */
.number-lesson{display:grid;gap:36px;padding-top:54px;padding-bottom:72px}
.number-lesson-head{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:30px;align-items:end}
.number-lesson-head h1{margin:10px 0 12px;font-size:clamp(2.7rem,5.6vw,5rem);line-height:.98;letter-spacing:-.055em}.number-lesson-head .copy{max-width:850px;font-size:1rem}
.language-back-link{font-size:.78rem}.language-back-icon{width:28px;height:28px}
.lesson-feature-pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:19px}.lesson-feature-pills span{padding:7px 10px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--muted);font-size:.7rem;font-weight:850}
.lesson-progress-card{padding:20px;display:grid;gap:7px}.lesson-progress-label{font-size:.68rem;font-weight:900;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.lesson-progress-card strong{font-size:2rem;color:var(--ink-strong)}.lesson-progress-card strong b{color:var(--purple)}.lesson-progress-track{height:7px;border-radius:99px;background:var(--line);overflow:hidden}.lesson-progress-track i{display:block;width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--blue),var(--purple),var(--pink));transition:width .24s ease}.lesson-progress-card small{color:var(--muted);line-height:1.45}

.lesson-jump{position:sticky;top:82px;z-index:18;display:grid;grid-template-columns:repeat(4,1fr);gap:7px;padding:7px;border:1px solid var(--line);border-radius:20px;background:color-mix(in srgb,var(--surface) 91%,transparent);backdrop-filter:blur(14px);box-shadow:0 10px 30px rgba(44,62,102,.09)}
.lesson-jump a{min-height:48px;display:flex;align-items:center;justify-content:center;gap:8px;border-radius:14px;text-decoration:none;color:var(--muted);font-size:.76rem;font-weight:900;transition:background .16s ease,color .16s ease}.lesson-jump a:hover{background:var(--surface-lilac);color:var(--purple)}.lesson-jump b{width:25px;height:25px;border-radius:9px;display:grid;place-items:center;background:var(--surface-lilac);color:var(--purple);font-size:.68rem}

.lesson-goal{padding:26px;display:grid;grid-template-columns:58px minmax(0,1fr) minmax(260px,.7fr);gap:20px;align-items:center;background:linear-gradient(120deg,color-mix(in srgb,var(--surface-cyan) 62%,var(--surface)),var(--surface),color-mix(in srgb,var(--surface-lilac) 58%,var(--surface)))}.goal-icon{width:52px;height:52px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(145deg,#ffe7a8,#ffb978);box-shadow:0 6px 0 rgba(211,142,70,.17)}.goal-icon .icon{width:24px;height:24px;color:#8052af}.lesson-goal h2{margin:6px 0 8px;font-size:1.65rem}.lesson-goal p{margin:0;color:var(--muted);line-height:1.55}.lesson-goal ul{margin:0;padding:0;list-style:none;display:grid;gap:8px}.lesson-goal li{position:relative;padding-left:22px;color:var(--muted);font-size:.82rem;line-height:1.45}.lesson-goal li::before{content:"";position:absolute;left:0;top:.35em;width:10px;height:10px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px color-mix(in srgb,var(--mint) 15%,transparent)}

.lesson-block{display:grid;gap:20px;scroll-margin-top:155px}.lesson-block-head{display:flex;align-items:end;justify-content:space-between;gap:20px}.lesson-block-head h2{margin:7px 0 8px;font-size:clamp(2rem,4vw,3.3rem)}.lesson-block-head p{max-width:780px;margin:0;color:var(--muted);line-height:1.6}.series-listen{flex:0 0 auto;min-height:46px;padding:0 15px;display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:15px;background:var(--surface);color:var(--ink-strong);font:inherit;font-size:.78rem;font-weight:900;cursor:pointer;box-shadow:0 5px 0 color-mix(in srgb,var(--line-strong) 62%,transparent);transition:transform .16s ease,box-shadow .16s ease}.series-listen .icon{width:19px;height:19px;color:var(--purple)}.series-listen[aria-pressed="true"]{background:var(--surface-lilac);color:var(--purple)}.series-listen:active{transform:translateY(2px);box-shadow:0 2px 0 color-mix(in srgb,var(--line-strong) 62%,transparent)}

.number-learning-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}
.number-learn-card{position:relative;overflow:hidden;min-height:190px;padding:18px;border:1px solid var(--line);border-radius:24px;background:var(--surface);box-shadow:0 8px 0 color-mix(in srgb,var(--line) 60%,transparent),0 16px 32px rgba(44,62,102,.06);display:grid;grid-template-columns:68px minmax(0,1fr) 44px;gap:14px;align-items:start;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}
.number-learn-card::after{content:"";position:absolute;width:110px;height:110px;border-radius:50%;right:-50px;bottom:-55px;background:radial-gradient(circle,color-mix(in srgb,var(--purple) 11%,transparent),transparent 68%)}
.number-learn-digit{width:62px;height:62px;border-radius:20px;display:grid;place-items:center;background:linear-gradient(145deg,color-mix(in srgb,var(--surface-cyan) 75%,var(--surface)),color-mix(in srgb,var(--surface-lilac) 68%,var(--surface)));border:1px solid color-mix(in srgb,var(--blue) 20%,var(--line));font-size:1.6rem;font-weight:950;color:var(--blue);box-shadow:0 5px 0 color-mix(in srgb,var(--blue) 11%,var(--line))}
.number-learn-main{min-width:0;display:grid;gap:6px}.number-learn-main h3{margin:0;font-size:1.2rem}.number-learn-translations{display:flex;flex-wrap:wrap;gap:7px;color:var(--muted);font-size:.72rem}.number-learn-translations span{display:inline-flex;align-items:center;gap:4px}.number-learn-translations img{width:18px;height:12px;border-radius:3px}
.number-pron{margin-top:5px;display:grid;gap:3px}.number-pron small{color:var(--muted);font-size:.62rem;text-transform:uppercase;letter-spacing:.07em;font-weight:850}.number-pron strong{color:var(--purple);font-size:1rem}.number-pron code{font:inherit;font-size:.66rem;color:var(--muted)}
.number-play{position:relative;z-index:2;width:42px;height:42px;border:1px solid color-mix(in srgb,var(--purple) 24%,var(--line));border-radius:14px;background:var(--surface-lilac);color:var(--purple);display:grid;place-items:center;cursor:pointer;box-shadow:0 4px 0 color-mix(in srgb,var(--purple) 12%,var(--line));transition:transform .16s ease,box-shadow .16s ease}.number-play .icon{width:20px;height:20px}.number-play[aria-pressed="true"]{background:linear-gradient(145deg,var(--purple),var(--pink));color:#fff;transform:translateY(2px);box-shadow:0 1px 0 color-mix(in srgb,var(--purple) 15%,var(--line))}
.number-learn-note{grid-column:2 / 4;margin-top:2px;padding:9px 11px;border-radius:13px;background:color-mix(in srgb,var(--surface-warm) 60%,var(--surface));color:var(--muted);font-size:.68rem;line-height:1.45}
.number-learn-card.is-heard{border-color:color-mix(in srgb,var(--mint) 34%,var(--line));box-shadow:0 8px 0 color-mix(in srgb,var(--mint) 12%,var(--line)),0 16px 32px rgba(44,62,102,.06)}
@media(hover:hover) and (pointer:fine){.number-learn-card:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--purple) 24%,var(--line));box-shadow:0 10px 0 color-mix(in srgb,var(--purple) 9%,var(--line)),0 22px 38px rgba(44,62,102,.09)}}

.pronunciation-school{scroll-margin-top:155px;padding:30px;display:grid;grid-template-columns:minmax(260px,.8fr) minmax(0,1.2fr);gap:30px;background:linear-gradient(125deg,color-mix(in srgb,var(--surface-lilac) 65%,var(--surface)),var(--surface),color-mix(in srgb,var(--surface-cyan) 52%,var(--surface)))}.pronunciation-school h2{margin:7px 0 10px;font-size:clamp(2rem,3.7vw,3.2rem)}.pronunciation-school p{color:var(--muted);line-height:1.65}.reference-note{margin-top:17px;padding:12px 14px;border:1px solid var(--line);border-radius:16px;background:color-mix(in srgb,var(--surface) 88%,transparent);display:flex;gap:10px;align-items:flex-start;font-size:.75rem;color:var(--muted);line-height:1.5}.reference-note .icon{flex:0 0 auto;width:20px;height:20px;color:var(--purple)}
.pronunciation-rules{display:grid;grid-template-columns:1fr 1fr;gap:10px}.pronunciation-rules article{min-height:116px;padding:15px;border:1px solid var(--line);border-radius:20px;background:color-mix(in srgb,var(--surface) 90%,transparent);display:grid;grid-template-columns:48px 1fr;gap:12px;align-items:start}.pronunciation-rules article>b{width:44px;height:44px;border-radius:15px;display:grid;place-items:center;background:var(--surface);border:1px solid var(--line);color:var(--purple);font-size:1rem}.pronunciation-rules strong{font-size:.84rem}.pronunciation-rules p{margin:5px 0 0;font-size:.7rem;line-height:1.5}

.pattern-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}.pattern-card{padding:20px;border:1px solid var(--line);border-radius:23px;background:var(--surface);box-shadow:var(--shadow-card)}.pattern-card>span{display:inline-grid;place-items:center;min-height:32px;padding:0 10px;border-radius:11px;background:var(--surface-lilac);color:var(--purple);font-size:.72rem;font-weight:950}.pattern-card h3{margin:15px 0 7px;font-size:1.05rem}.pattern-card p{margin:0;color:var(--muted);font-size:.75rem;line-height:1.6}

.lesson-recap{scroll-margin-top:155px;padding:28px;background:linear-gradient(120deg,color-mix(in srgb,var(--surface-cyan) 58%,var(--surface)),var(--surface),color-mix(in srgb,var(--surface-warm) 58%,var(--surface)))}.lesson-recap h2{margin:7px 0 9px;font-size:clamp(2rem,3.8vw,3.2rem)}.lesson-recap p{max-width:780px;margin:0;color:var(--muted);line-height:1.6}.recap-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.lesson-boundary-note{margin-top:16px!important;font-size:.72rem!important;padding-top:14px;border-top:1px solid var(--line)}

html[data-theme="night"] .lesson-orbit,html[data-theme="night"] .learning-card,html[data-theme="night"] .pronunciation-school,html[data-theme="night"] .lesson-goal,html[data-theme="night"] .learning-flow{box-shadow:0 26px 65px rgba(0,0,0,.23)}
@media(prefers-color-scheme:dark){html[data-theme="auto"] .lesson-orbit,html[data-theme="auto"] .learning-card,html[data-theme="auto"] .pronunciation-school,html[data-theme="auto"] .lesson-goal,html[data-theme="auto"] .learning-flow{box-shadow:0 26px 65px rgba(0,0,0,.23)}}

@media(max-width:980px){
  .language-hub{padding-top:62px;gap:52px}.language-hero{grid-template-columns:1fr;gap:26px;min-height:auto}.language-hero-visual{min-height:340px}.lesson-orbit{width:min(330px,84vw)}
  .language-learning-grid{grid-template-columns:1fr}.learning-card{min-height:320px}
  .learning-flow{grid-template-columns:1fr}.number-lesson-head{grid-template-columns:1fr}.lesson-progress-card{max-width:360px}
  .number-learning-grid{grid-template-columns:1fr 1fr}.pronunciation-school{grid-template-columns:1fr}.lesson-goal{grid-template-columns:52px 1fr}.lesson-goal ul{grid-column:2}.pattern-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:700px){
  .language-hub{padding-top:40px}.language-hero .display-title{font-size:clamp(2.9rem,13.2vw,4.35rem)}.language-hero .display-title .headline-line:nth-child(3){font-size:.88em}.language-role-pills{display:grid;grid-template-columns:1fr}.language-role-pills span{border-radius:14px}
  .learning-flow{padding:22px}.flow-steps{grid-template-columns:1fr;gap:8px}.flow-steps>i{width:2px;height:20px;justify-self:center;background:linear-gradient(var(--blue),var(--purple))}.flow-steps>i::after{right:-3px;top:auto;bottom:-1px;transform:rotate(135deg)}
  .number-lesson{padding-top:34px;gap:27px}.number-lesson-head h1{font-size:clamp(2.5rem,13vw,3.8rem)}
  .lesson-jump{top:68px;grid-template-columns:repeat(4,1fr);border-radius:17px}.lesson-jump a{min-width:0;gap:0}.lesson-jump a span{display:none}.lesson-jump b{width:30px;height:30px}
  .lesson-goal{padding:20px;grid-template-columns:44px 1fr;gap:14px}.goal-icon{width:44px;height:44px;border-radius:15px}.lesson-goal ul{grid-column:1 / -1}
  .lesson-block-head{align-items:flex-start;flex-direction:column}.series-listen{width:100%;justify-content:center}
  .number-learning-grid{grid-template-columns:1fr}
  .number-learn-card{min-height:172px;grid-template-columns:60px minmax(0,1fr) 42px;padding:15px}.number-learn-digit{width:56px;height:56px;border-radius:18px}
  .pronunciation-school{padding:21px}.pronunciation-rules{grid-template-columns:1fr}.pattern-grid{grid-template-columns:1fr}
  .recap-actions{display:grid;grid-template-columns:1fr}.recap-actions .button{width:100%}
}
@media(max-width:420px){
  .language-hub{gap:40px;padding-top:28px}.language-hero{gap:20px}.language-hero .display-title{font-size:clamp(2.42rem,12.7vw,3.35rem)}.language-hero .display-title .headline-line:nth-child(3){font-size:.9em}.language-hero-visual{min-height:275px}.lesson-orbit{width:270px}.lesson-core{width:105px;height:105px;border-radius:28px}.lesson-core-flag{width:24px;height:16px}.lesson-core strong{font-size:1.9rem}.lesson-node{min-width:54px;min-height:48px;border-radius:15px;font-size:.68rem}.node-listen{left:8%;top:18%}.node-read{right:6%;top:25%}.node-play{right:12%;bottom:12%}
  .learning-card{padding:20px;min-height:310px;border-radius:24px}.number-ribbon,.word-ribbon{margin:18px 0 8px}.learning-card h3{font-size:1.3rem}
  .number-lesson{padding-top:24px}.number-lesson-head .school-context-line{gap:7px}.number-lesson-head .kicker{font-size:.62rem}.language-back-link{font-size:.7rem}.language-back-icon{width:27px;height:27px}
  .lesson-feature-pills{gap:6px}.lesson-feature-pills span{font-size:.64rem}.lesson-progress-card{padding:16px}
  .number-learn-card{grid-template-columns:54px minmax(0,1fr) 40px;gap:10px}.number-learn-digit{width:50px;height:50px;font-size:1.35rem}.number-learn-main h3{font-size:1.08rem}.number-learn-note{grid-column:1/-1;margin-top:5px}
}

@media(max-width:360px){
  .language-hero .display-title{font-size:clamp(2.28rem,11.75vw,3rem)}
  .language-hero .display-title .headline-line:nth-child(3){font-size:.84em}
  .language-role-pills{gap:7px}.language-role-pills span{min-height:36px;padding:6px 10px;font-size:.67rem}
  .language-hero-visual{min-height:260px}.lesson-orbit{width:min(258px,calc(100vw - 34px))}
  .lesson-node{min-width:50px;min-height:45px;padding:7px 8px}
  .node-listen{left:7%;top:18%}.node-read{right:5%;top:24%}.node-play{right:10%;bottom:11%}
}
@media(prefers-reduced-motion:reduce){.lesson-node,.learning-card,.number-learn-card,.number-play,.series-listen,.lesson-progress-track i{animation:none!important;transition:none!important}}
@media(forced-colors:active){.lesson-core,.lesson-node,.learning-card,.number-learn-card,.pronunciation-school,.lesson-goal,.learning-flow,.pattern-card{background:Canvas;border:1px solid CanvasText;box-shadow:none}.language-back-icon::before{background:CanvasText}}

/* VIDEO-0074 · Video lessons live inside Languages as a learning format, not a new top-level product area. */
.video-learning-card{grid-column:1/-1;min-height:300px;background:linear-gradient(135deg,color-mix(in srgb,var(--surface-cyan) 62%,var(--surface)),color-mix(in srgb,var(--surface-lilac) 74%,var(--surface)) 52%,color-mix(in srgb,var(--surface-pink) 58%,var(--surface)))}
.video-learning-mark{position:relative;width:48px;height:48px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(145deg,#1a2342,#34265e);border:1px solid color-mix(in srgb,var(--purple) 30%,var(--line));box-shadow:0 5px 0 color-mix(in srgb,var(--purple) 14%,var(--line))}.video-learning-mark::before{content:"";width:0;height:0;border-left:14px solid #fff;border-top:9px solid transparent;border-bottom:9px solid transparent;margin-left:3px}.video-learning-mark i{position:absolute;inset:7px;border:1px solid rgba(255,255,255,.16);border-radius:10px}
.video-learning-ribbon{height:98px;display:flex;align-items:center;gap:15px;margin:23px 0 8px}.video-learning-screen{position:relative;width:148px;max-width:42%;aspect-ratio:16/9;border-radius:18px;background:linear-gradient(145deg,#17203b,#2d285a);border:1px solid rgba(255,255,255,.12);box-shadow:0 7px 0 color-mix(in srgb,var(--purple) 13%,var(--line)),0 16px 30px rgba(40,48,91,.15);display:grid;place-items:center}.video-learning-screen::before{content:"";position:absolute;inset:8px;border:1px solid rgba(255,255,255,.1);border-radius:12px;background:radial-gradient(circle at 28% 25%,rgba(88,208,239,.16),transparent 38%),radial-gradient(circle at 75% 72%,rgba(255,112,170,.16),transparent 34%)}.video-learning-screen i{position:relative;z-index:2;width:42px;height:42px;border-radius:14px;background:#fff;box-shadow:0 5px 0 rgba(52,40,105,.26)}.video-learning-screen i::before{content:"";position:absolute;left:17px;top:12px;border-left:14px solid var(--purple);border-top:9px solid transparent;border-bottom:9px solid transparent}.video-learning-track{display:flex;align-items:center;gap:8px;min-width:0;flex-wrap:wrap}.video-learning-track b{min-width:64px;min-height:42px;padding:0 11px;border-radius:14px;display:grid;place-items:center;background:color-mix(in srgb,var(--surface) 90%,transparent);border:1px solid var(--line);color:var(--purple);font-size:.75rem;box-shadow:0 4px 0 color-mix(in srgb,var(--line-strong) 55%,transparent)}.video-learning-track b:last-child{min-width:42px;color:var(--mint-edge)}
@media(max-width:980px){.video-learning-card{grid-column:auto}}
@media(max-width:420px){.video-learning-ribbon{height:auto;align-items:flex-start;gap:10px}.video-learning-screen{width:122px;max-width:46%;border-radius:15px}.video-learning-track{gap:6px}.video-learning-track b{min-width:54px;min-height:38px;padding-inline:8px;font-size:.68rem}}
@media(max-width:360px){.video-learning-ribbon{display:grid;grid-template-columns:112px minmax(0,1fr)}.video-learning-screen{width:112px;max-width:none}.video-learning-track b{min-width:48px}}
@media(prefers-reduced-motion:reduce){.video-learning-screen,.video-learning-mark{transition:none!important}}
@media(forced-colors:active){.video-learning-mark,.video-learning-screen,.video-learning-track b{background:Canvas;border:1px solid CanvasText;box-shadow:none}.video-learning-mark::before,.video-learning-screen i::before{border-left-color:CanvasText}}

/* VIDEO-0076 · Video Lab gets a real first-party identity: branded mini-player, balanced feature card and subtle motion. */
.video-learning-card{display:grid;grid-template-columns:minmax(0,.9fr) minmax(360px,1.1fr);gap:34px;align-items:center;min-height:350px;padding:30px 32px;isolation:isolate;background:linear-gradient(132deg,color-mix(in srgb,var(--surface-cyan) 66%,var(--surface)),color-mix(in srgb,var(--surface-lilac) 80%,var(--surface)) 48%,color-mix(in srgb,var(--surface-pink) 58%,var(--surface)))}
.video-learning-card::before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;background:linear-gradient(112deg,transparent 18%,color-mix(in srgb,#fff 42%,transparent) 42%,transparent 63%);opacity:.32;transform:translateX(-48%);transition:transform .85s ease}
.video-learning-copy{position:relative;z-index:3;min-width:0;align-self:stretch;display:flex;flex-direction:column;justify-content:center}.video-learning-copy h3{width:fit-content;max-width:100%;margin:22px 0 10px;font-size:clamp(1.65rem,2.5vw,2.35rem);line-height:1.05;letter-spacing:-.04em;background:linear-gradient(103deg,var(--purple),color-mix(in srgb,var(--purple) 52%,var(--pink)) 47%,var(--blue));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.video-learning-copy>p{max-width:580px;font-size:.86rem;line-height:1.65}.video-learning-copy .learning-card-meta{margin-top:16px}.video-learning-copy .learning-card-cta{padding-top:20px}
.video-learning-status{padding:7px 10px;border:1px solid color-mix(in srgb,var(--purple) 15%,var(--line));border-radius:999px;background:color-mix(in srgb,var(--surface) 82%,transparent);box-shadow:inset 0 1px 0 color-mix(in srgb,#fff 60%,transparent);color:color-mix(in srgb,var(--purple) 72%,var(--muted))}
.video-lab-mark{position:relative;width:56px;height:56px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(145deg,color-mix(in srgb,var(--surface) 96%,#fff),color-mix(in srgb,var(--surface-lilac) 72%,var(--surface)));border:1px solid color-mix(in srgb,var(--purple) 21%,var(--line));box-shadow:0 6px 0 color-mix(in srgb,var(--purple) 11%,var(--line)),0 14px 24px color-mix(in srgb,var(--purple) 12%,transparent)}.video-lab-mark-screen{position:relative;width:38px;height:29px;border-radius:10px;background:linear-gradient(145deg,#121a36,#31265d 68%,#4a2766);border:1px solid rgba(255,255,255,.14);box-shadow:inset 0 0 0 1px rgba(255,255,255,.05);display:grid;place-items:center;overflow:hidden}.video-lab-mark-screen::before{content:"";position:absolute;inset:4px;border-radius:7px;border:1px solid rgba(255,255,255,.09);background:radial-gradient(circle at 28% 20%,rgba(75,211,239,.2),transparent 42%),radial-gradient(circle at 76% 78%,rgba(255,104,175,.18),transparent 40%)}.video-lab-mark-screen i{position:relative;z-index:2;width:17px;height:17px;border-radius:6px;background:linear-gradient(145deg,#fff,#e5e1ff);box-shadow:0 3px 0 rgba(72,54,138,.34)}.video-lab-mark-screen i::before{content:"";position:absolute;left:7px;top:5px;border-left:6px solid #6a52e4;border-top:4px solid transparent;border-bottom:4px solid transparent}
.video-learning-showcase{position:relative;z-index:2;min-width:0;min-height:280px;display:grid;place-items:center;perspective:1200px}.video-learning-aura{position:absolute;border-radius:50%;pointer-events:none}.video-learning-aura.aura-one{width:78%;height:62%;left:7%;top:8%;background:radial-gradient(circle,color-mix(in srgb,var(--cyan) 16%,transparent),transparent 68%)}.video-learning-aura.aura-two{width:62%;height:72%;right:1%;bottom:-2%;background:radial-gradient(circle,color-mix(in srgb,var(--pink) 15%,transparent),transparent 68%)}
.video-learning-player{position:relative;width:min(510px,100%);aspect-ratio:16/9;border-radius:27px;padding:13px 14px 12px;overflow:hidden;color:#fff;background:linear-gradient(154deg,#10182f,#23234b 53%,#47285e);border:1px solid rgba(255,255,255,.15);box-shadow:0 10px 0 color-mix(in srgb,var(--purple) 15%,var(--line)),0 30px 58px rgba(40,47,91,.24),inset 0 0 0 1px rgba(255,255,255,.05);transform:rotateX(2deg) rotateY(-2.4deg);transform-style:preserve-3d;transition:transform .24s ease,box-shadow .24s ease}.video-learning-player::before{content:"";position:absolute;inset:-52% -28% auto 38%;height:170%;background:linear-gradient(105deg,transparent 32%,rgba(255,255,255,.12) 49%,transparent 63%);transform:rotate(10deg) translateX(-48%);opacity:.52;pointer-events:none}.video-learning-player-head{position:relative;z-index:3;display:flex;align-items:center;justify-content:space-between;gap:10px}.video-learning-brand{display:flex;align-items:center;gap:6px;min-width:0;font-size:.64rem;font-weight:900;letter-spacing:-.01em}.video-learning-brand img{width:18px;height:18px;filter:drop-shadow(0 2px 4px rgba(0,0,0,.18))}.video-learning-lab{padding:5px 7px;border-radius:9px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.12);font-size:.51rem;font-weight:950;letter-spacing:.12em;color:#e8e5ff}.video-learning-player-scene{position:absolute;inset:42px 14px 44px;border-radius:18px;border:1px solid rgba(255,255,255,.08);background:radial-gradient(circle at 28% 25%,rgba(77,208,238,.17),transparent 39%),radial-gradient(circle at 76% 72%,rgba(244,102,172,.16),transparent 38%),linear-gradient(145deg,rgba(255,255,255,.025),rgba(255,255,255,.01));display:grid;place-items:center;overflow:hidden}.video-learning-orb{position:absolute;border-radius:50%;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.04);box-shadow:inset 0 0 18px rgba(255,255,255,.03)}.video-learning-orb.is-a{width:48px;height:48px;left:10%;top:16%}.video-learning-orb.is-b{width:34px;height:34px;right:14%;top:20%}.video-learning-orb.is-c{width:24px;height:24px;right:24%;bottom:17%}.video-learning-play{position:relative;z-index:3;min-width:112px;min-height:60px;padding:8px 15px;border-radius:20px;border:1px solid rgba(255,255,255,.5);background:linear-gradient(145deg,rgba(255,255,255,.98),rgba(236,233,255,.96));box-shadow:0 8px 0 rgba(72,54,138,.3),0 18px 34px rgba(1,5,20,.3);display:flex;align-items:center;justify-content:center;gap:10px;color:#5d48ce;font-size:.68rem;font-weight:950;transform:translateZ(16px)}.video-learning-play i{width:0;height:0;border-left:18px solid currentColor;border-top:11px solid transparent;border-bottom:11px solid transparent}.video-learning-topic{position:absolute;left:12px;bottom:11px;padding:5px 8px;border-radius:9px;background:rgba(7,12,29,.55);border:1px solid rgba(255,255,255,.11);font-size:.56rem;font-weight:900;color:rgba(255,255,255,.8)}.video-learning-player-controls{position:absolute;z-index:3;left:14px;right:14px;bottom:12px;display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:9px;align-items:center}.video-learning-progress{height:4px;border-radius:99px;background:rgba(255,255,255,.16);overflow:hidden}.video-learning-progress i{display:block;width:39%;height:100%;border-radius:inherit;background:linear-gradient(90deg,#7ce0ec,#9d75ff,#f47ab8);transform-origin:left center}.video-learning-player-controls>b{font-size:.5rem;color:rgba(255,255,255,.68)}.video-learning-control-dots{display:flex;gap:4px}.video-learning-control-dots i{width:5px;height:5px;border-radius:50%;background:rgba(255,255,255,.38)}
.video-learning-series{position:absolute;z-index:4;right:2%;bottom:0;display:flex;align-items:center;gap:7px;transform:translateY(24%)}.video-learning-series>span{min-height:38px;padding:0 10px;border-radius:13px;display:flex;align-items:center;gap:6px;background:color-mix(in srgb,var(--surface) 92%,transparent);border:1px solid var(--line);box-shadow:0 5px 0 color-mix(in srgb,var(--line-strong) 56%,transparent),0 11px 22px rgba(50,65,108,.1);color:var(--purple);font-size:.65rem;font-weight:900}.video-learning-series b{width:23px;height:23px;border-radius:8px;display:grid;place-items:center;background:linear-gradient(145deg,var(--surface-lilac),var(--surface-cyan));font-size:.54rem}.video-learning-series .is-more{width:38px;padding:0;justify-content:center;color:var(--mint-edge)}
@media(hover:hover) and (pointer:fine){.video-learning-card:hover .video-learning-player{transform:rotateX(1deg) rotateY(-.5deg) translateY(-4px);box-shadow:0 7px 0 color-mix(in srgb,var(--purple) 15%,var(--line)),0 35px 64px rgba(40,47,91,.27),inset 0 0 0 1px rgba(255,255,255,.06)}.video-learning-card:hover .video-learning-play{transform:translateZ(16px) translateY(-2px)}.video-learning-card:hover::before{transform:translateX(48%)}}
@keyframes video-learning-glow{50%{transform:translate3d(5px,-5px,0) scale(1.04);opacity:.82}}@keyframes video-learning-progress-pulse{50%{transform:scaleX(.84);opacity:.72}}.video-learning-aura.aura-one{animation:video-learning-glow 6.8s ease-in-out infinite}.video-learning-aura.aura-two{animation:video-learning-glow 7.6s ease-in-out infinite reverse}.video-learning-progress i{animation:video-learning-progress-pulse 3.8s ease-in-out infinite}
html[data-theme="night"] .video-learning-card{background:linear-gradient(132deg,color-mix(in srgb,#132448 82%,var(--surface)),color-mix(in srgb,#2c2051 84%,var(--surface)) 52%,color-mix(in srgb,#492643 72%,var(--surface)))}
@media(prefers-color-scheme:dark){html[data-theme="auto"] .video-learning-card{background:linear-gradient(132deg,color-mix(in srgb,#132448 82%,var(--surface)),color-mix(in srgb,#2c2051 84%,var(--surface)) 52%,color-mix(in srgb,#492643 72%,var(--surface)))}}
@media(max-width:980px){.video-learning-card{grid-template-columns:minmax(0,.94fr) minmax(330px,1.06fr);gap:24px;padding:27px}.video-learning-showcase{min-height:250px}.video-learning-series{right:0}}
@media(max-width:760px){.video-learning-card{grid-template-columns:1fr;gap:22px;min-height:0;padding:24px}.video-learning-copy{min-height:0}.video-learning-copy h3{margin-top:18px}.video-learning-showcase{min-height:255px}.video-learning-player{width:min(520px,100%)}.video-learning-series{right:2%;bottom:-2px}}
@media(max-width:480px){.video-learning-card{padding:20px;border-radius:25px;gap:18px}.video-lab-mark{width:52px;height:52px}.video-learning-showcase{min-height:218px}.video-learning-player{border-radius:22px;padding:11px;aspect-ratio:1.62/1}.video-learning-player-scene{inset:39px 11px 40px;border-radius:15px}.video-learning-player-controls{left:11px;right:11px;bottom:10px}.video-learning-play{min-width:92px;min-height:52px;padding:7px 12px;border-radius:17px}.video-learning-play i{border-left-width:16px;border-top-width:10px;border-bottom-width:10px}.video-learning-play strong{font-size:.62rem}.video-learning-series{gap:5px}.video-learning-series>span{min-height:34px;padding-inline:8px;font-size:.6rem}.video-learning-series b{width:21px;height:21px}.video-learning-series .is-more{width:34px}.video-learning-brand{font-size:.58rem}.video-learning-lab{font-size:.47rem}.video-learning-copy>p{font-size:.8rem}}
@media(max-width:360px){.video-learning-card{padding:18px}.video-learning-showcase{min-height:196px}.video-learning-player{aspect-ratio:1.56/1}.video-learning-play{min-width:58px;width:58px;padding:0;border-radius:18px}.video-learning-play strong{display:none}.video-learning-player-scene{inset:37px 10px 37px}.video-learning-series>span{padding-inline:7px}.video-learning-series>span:not(.is-more) b{display:none}.video-learning-brand b{font-size:.53rem}}
@media(prefers-reduced-motion:reduce){.video-learning-card::before,.video-learning-aura,.video-learning-progress i{animation:none!important}.video-learning-card::before,.video-learning-player,.video-learning-play{transition:none!important}}
@media(forced-colors:active){.video-learning-card,.video-lab-mark,.video-learning-series>span{background:Canvas;border:1px solid CanvasText;box-shadow:none}.video-learning-player{background:Canvas;border:1px solid CanvasText;box-shadow:none}.video-learning-play{background:ButtonFace;color:ButtonText;border:1px solid ButtonText;box-shadow:none}.video-learning-aura,.video-learning-card::before{display:none}}

/* VIDEO-0077 · Video Lab visual cleanup: abstract School motion instead of lesson-number duplication, plus compact mobile learning flow. */
.video-learning-showcase{overflow:visible}
.video-learning-halo{position:absolute;z-index:0;border:1px solid color-mix(in srgb,var(--purple) 18%,transparent);border-radius:50%;pointer-events:none;opacity:.64}.video-learning-halo.halo-one{width:76%;height:76%;transform:rotate(-12deg)}.video-learning-halo.halo-two{width:58%;height:92%;transform:rotate(26deg);border-color:color-mix(in srgb,var(--cyan) 17%,transparent)}
.video-learning-player{isolation:isolate}.video-learning-player::after{content:"";position:absolute;z-index:1;inset:-36% 54% -28% -26%;background:radial-gradient(circle,rgba(87,220,239,.14),transparent 67%);pointer-events:none}.video-learning-player-scene{isolation:isolate}.video-learning-scene-grid{position:absolute;z-index:0;inset:0;opacity:.32;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:34px 34px;mask-image:linear-gradient(110deg,transparent 2%,#000 26%,#000 72%,transparent 98%)}
.video-learning-orb.is-a{background:linear-gradient(145deg,rgba(116,221,239,.16),rgba(255,255,255,.025));box-shadow:inset 0 0 0 1px rgba(123,226,242,.08),0 10px 24px rgba(53,203,226,.08)}.video-learning-orb.is-b{background:linear-gradient(145deg,rgba(247,118,183,.14),rgba(255,255,255,.025));box-shadow:inset 0 0 0 1px rgba(248,151,202,.08),0 10px 24px rgba(236,90,163,.08)}.video-learning-orb.is-c{background:linear-gradient(145deg,rgba(168,132,255,.17),rgba(255,255,255,.025))}
.video-learning-spark{position:absolute;z-index:2;width:12px;height:12px;opacity:.78;transform:rotate(45deg);border-radius:4px;background:linear-gradient(145deg,#fff7ac,#ffd56c);box-shadow:0 0 0 4px rgba(255,224,111,.08),0 7px 16px rgba(0,0,0,.16)}.video-learning-spark::before,.video-learning-spark::after{content:"";position:absolute;inset:4px -5px;border-radius:99px;background:inherit}.video-learning-spark::after{transform:rotate(90deg)}.video-learning-spark.is-one{left:19%;top:23%;transform:rotate(45deg) scale(.75)}.video-learning-spark.is-two{right:18%;top:34%;transform:rotate(45deg) scale(.58);background:linear-gradient(145deg,#a7f1f5,#7edce7)}.video-learning-spark.is-three{right:29%;bottom:20%;transform:rotate(45deg) scale(.45);background:linear-gradient(145deg,#ffd0e4,#f58ab7)}
.video-learning-wave{position:absolute;z-index:2;left:9%;bottom:12%;height:31px;display:flex;align-items:center;gap:4px;opacity:.72}.video-learning-wave i{width:4px;height:100%;border-radius:99px;background:linear-gradient(180deg,#8de7ef,#9a7aff);transform-origin:center;transform:scaleY(.38)}.video-learning-wave i:nth-child(2),.video-learning-wave i:nth-child(6){transform:scaleY(.68)}.video-learning-wave i:nth-child(3),.video-learning-wave i:nth-child(5){transform:scaleY(.92)}.video-learning-wave i:nth-child(4){transform:scaleY(.55)}
.video-learning-player-controls{grid-template-columns:minmax(0,1fr) auto}.video-learning-control-dots{justify-self:end}.video-learning-progress i{width:33%}
.video-learning-float{position:absolute;z-index:4;display:grid;place-items:center;background:color-mix(in srgb,var(--surface) 91%,transparent);border:1px solid color-mix(in srgb,var(--purple) 16%,var(--line));box-shadow:0 6px 0 color-mix(in srgb,var(--line-strong) 52%,transparent),0 16px 28px rgba(45,57,105,.12);pointer-events:none}.video-learning-float.is-star{left:1%;top:18%;width:46px;height:46px;border-radius:16px}.video-learning-float.is-star::before{content:"";width:16px;height:16px;border-radius:5px;transform:rotate(45deg);background:linear-gradient(145deg,#ffe77e,#ff9ac8);box-shadow:0 0 0 5px color-mix(in srgb,var(--pink) 8%,transparent)}.video-learning-float.is-wave{right:1%;bottom:15%;width:54px;height:42px;border-radius:15px;display:flex;align-items:center;justify-content:center;gap:4px}.video-learning-float.is-wave i{width:4px;border-radius:99px;background:linear-gradient(180deg,var(--cyan),var(--purple));height:13px}.video-learning-float.is-wave i:nth-child(2){height:23px}.video-learning-float.is-wave i:nth-child(3){height:17px}
@keyframes video-learning-halo-drift{50%{transform:rotate(8deg) scale(1.025);opacity:.82}}@keyframes video-learning-spark-float{50%{translate:0 -5px;opacity:1}}@keyframes video-learning-wave-live{0%,100%{transform:scaleY(.35)}50%{transform:scaleY(1)}}@keyframes video-learning-play-breathe{50%{transform:translateZ(16px) translateY(-2px);box-shadow:0 6px 0 rgba(72,54,138,.28),0 24px 40px rgba(1,5,20,.35)}}@keyframes video-learning-float-bob{50%{transform:translateY(-5px) rotate(2deg)}}
.video-learning-halo.halo-one{animation:video-learning-halo-drift 9s ease-in-out infinite}.video-learning-halo.halo-two{animation:video-learning-halo-drift 11s ease-in-out infinite reverse}.video-learning-spark{animation:video-learning-spark-float 4.8s ease-in-out infinite}.video-learning-spark.is-two{animation-delay:-1.7s}.video-learning-spark.is-three{animation-delay:-3.1s}.video-learning-wave i{animation:video-learning-wave-live 1.9s ease-in-out infinite}.video-learning-wave i:nth-child(2){animation-delay:-.3s}.video-learning-wave i:nth-child(3){animation-delay:-.65s}.video-learning-wave i:nth-child(4){animation-delay:-.9s}.video-learning-wave i:nth-child(5){animation-delay:-1.2s}.video-learning-wave i:nth-child(6){animation-delay:-.55s}.video-learning-wave i:nth-child(7){animation-delay:-.2s}.video-learning-play{animation:video-learning-play-breathe 4.2s ease-in-out infinite}.video-learning-float{animation:video-learning-float-bob 6s ease-in-out infinite}.video-learning-float.is-wave{animation-delay:-2.8s}
@media(hover:hover) and (pointer:fine){.video-learning-card:hover .video-learning-player-scene{border-color:rgba(255,255,255,.14)}.video-learning-card:hover .video-learning-float.is-star{transform:translateY(-4px) rotate(-3deg)}.video-learning-card:hover .video-learning-float.is-wave{transform:translateY(-4px) rotate(3deg)}}
@media(max-width:760px){.video-learning-showcase{min-height:240px}.video-learning-float.is-star{left:0;top:14%}.video-learning-float.is-wave{right:0;bottom:11%}}
@media(max-width:480px){.video-learning-showcase{min-height:205px}.video-learning-halo{opacity:.45}.video-learning-float.is-star{width:38px;height:38px;border-radius:13px;left:-2px}.video-learning-float.is-star::before{width:13px;height:13px}.video-learning-float.is-wave{width:44px;height:36px;border-radius:13px;right:-2px}.video-learning-wave{left:8%;bottom:10%;height:25px}.video-learning-wave i{width:3px}.video-learning-spark.is-one{left:16%;top:22%}.video-learning-spark.is-two{right:14%;top:31%}}
@media(max-width:360px){.video-learning-showcase{min-height:184px}.video-learning-float{display:none}.video-learning-halo.halo-two{display:none}.video-learning-wave{left:7%;height:21px;gap:3px}.video-learning-spark.is-three{display:none}}

/* Keep the explanatory flow useful on phones without turning it into a tall wall. */
@media(max-width:700px){.learning-flow{padding:18px;gap:16px;border-radius:24px}.learning-flow h2{font-size:clamp(1.6rem,8vw,2.15rem);margin:5px 0 7px}.learning-flow p{font-size:.78rem;line-height:1.55}.flow-steps{gap:5px}.flow-steps>span{min-height:0;padding:11px 12px;border-radius:17px;grid-template-columns:36px minmax(0,1fr);grid-template-rows:auto auto;column-gap:10px;row-gap:2px;align-items:center}.flow-steps>span b{grid-row:1/3;width:34px;height:34px;border-radius:11px}.flow-steps>span strong{font-size:.86rem;line-height:1.25}.flow-steps>span small{font-size:.67rem;line-height:1.38}.flow-steps>i{height:10px;margin-block:-1px}}
@media(max-width:420px){.learning-flow{padding:15px;gap:14px;border-radius:22px}.flow-steps>span{padding:10px 11px}.flow-steps>span small{font-size:.64rem}}
@media(prefers-reduced-motion:reduce){.video-learning-halo,.video-learning-spark,.video-learning-wave i,.video-learning-play,.video-learning-float{animation:none!important}.video-learning-float{transition:none!important}}
@media(forced-colors:active){.video-learning-halo,.video-learning-spark,.video-learning-wave,.video-learning-float,.video-learning-scene-grid{display:none}.video-learning-player{border:1px solid CanvasText}.flow-steps>span{border:1px solid CanvasText}}


/* CONTENT-0087 · Languages learning cards: premium thematic motion with compositor-safe transforms. */
.lesson-card,.practice-card{isolation:isolate;contain:paint}.lesson-card::before,.practice-card::before{content:"";position:absolute;z-index:0;inset:-1px;border-radius:inherit;pointer-events:none;opacity:.72;background:linear-gradient(112deg,transparent 12%,color-mix(in srgb,#fff 46%,transparent) 42%,transparent 64%);transform:translateX(-58%)}
.lesson-card>* ,.practice-card>*{position:relative;z-index:2}.lesson-card{background:radial-gradient(circle at 16% 12%,color-mix(in srgb,var(--cyan) 16%,transparent),transparent 29%),linear-gradient(145deg,color-mix(in srgb,var(--surface-cyan) 72%,var(--surface)),color-mix(in srgb,var(--surface-lilac) 76%,var(--surface)))}.practice-card{background:radial-gradient(circle at 88% 16%,color-mix(in srgb,var(--pink) 14%,transparent),transparent 31%),linear-gradient(145deg,color-mix(in srgb,var(--surface-lilac) 70%,var(--surface)),color-mix(in srgb,var(--surface-warm) 72%,var(--surface)))}
.lesson-card .lesson-index,.practice-card .practice-mark{transition:transform .2s ease,box-shadow .2s ease}.lesson-card h3,.practice-card h3{width:fit-content;max-width:100%;letter-spacing:-.025em}.lesson-card h3{background:linear-gradient(100deg,var(--blue),var(--purple) 58%,var(--pink));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.practice-card h3{background:linear-gradient(100deg,var(--purple),color-mix(in srgb,var(--purple) 50%,var(--pink)) 55%,var(--blue));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.number-lab-visual,.word-lab-visual{position:relative;height:112px;margin:20px 0 10px;display:flex;align-items:center;justify-content:center;overflow:hidden;border:1px solid color-mix(in srgb,var(--purple) 10%,var(--line));border-radius:24px;background:linear-gradient(145deg,color-mix(in srgb,var(--surface) 88%,transparent),color-mix(in srgb,var(--surface-lilac) 43%,transparent));box-shadow:inset 0 1px 0 color-mix(in srgb,#fff 62%,transparent),0 12px 28px rgba(55,70,115,.07)}
.number-lab-halo,.word-lab-halo{position:absolute;width:170px;height:170px;border-radius:50%;pointer-events:none;background:radial-gradient(circle,color-mix(in srgb,var(--cyan) 16%,transparent),transparent 66%);transform:translate(-76px,42px)}.word-lab-halo{background:radial-gradient(circle,color-mix(in srgb,var(--pink) 14%,transparent),transparent 67%);transform:translate(92px,-46px)}
.number-lab-track{position:relative;z-index:3;width:min(390px,91%);display:grid;grid-template-columns:48px 1fr 30px 1fr 34px 1fr 34px 1fr 52px;align-items:center;gap:5px}.number-lab-track b,.number-lab-track strong{width:48px;height:48px;border-radius:16px;display:grid;place-items:center;background:color-mix(in srgb,var(--surface) 96%,transparent);border:1px solid color-mix(in srgb,var(--blue) 26%,var(--line));box-shadow:0 5px 0 color-mix(in srgb,var(--blue) 8%,var(--line));color:var(--blue);font-size:1rem}.number-lab-track strong{width:52px;color:var(--purple);border-color:color-mix(in srgb,var(--purple) 28%,var(--line));box-shadow:0 5px 0 color-mix(in srgb,var(--purple) 8%,var(--line))}.number-lab-track>span{font-size:.64rem;font-weight:950;color:color-mix(in srgb,var(--purple) 70%,var(--muted));text-align:center;opacity:.78}.number-lab-track>i{height:4px;border-radius:99px;background:linear-gradient(90deg,color-mix(in srgb,var(--blue) 62%,var(--line)),color-mix(in srgb,var(--purple) 62%,var(--line)));transform-origin:left center}
.number-lab-wave{position:absolute;left:19px;bottom:10px;height:22px;display:flex;align-items:center;gap:3px;opacity:.55}.number-lab-wave i{width:3px;height:16px;border-radius:99px;background:linear-gradient(180deg,var(--cyan),var(--purple));transform:scaleY(.35)}.number-lab-spark{position:absolute;width:9px;height:9px;border-radius:3px;transform:rotate(45deg);background:linear-gradient(145deg,#fff0a8,#ffc96e);box-shadow:0 0 0 4px color-mix(in srgb,var(--yellow) 10%,transparent)}.number-lab-spark.is-one{right:26px;top:18px}.number-lab-spark.is-two{left:34%;top:15px;transform:rotate(45deg) scale(.65);background:linear-gradient(145deg,#ffd2e6,#f48ebd)}
.word-lab-visual{gap:10px}.word-lab-card{position:relative;z-index:3;min-width:94px;min-height:62px;padding:9px 14px;border-radius:18px;display:grid;grid-template-columns:auto 1fr;align-items:center;gap:8px;background:color-mix(in srgb,var(--surface) 96%,transparent);border:1px solid var(--line);box-shadow:0 5px 0 color-mix(in srgb,var(--line-strong) 55%,transparent),0 12px 22px rgba(55,66,110,.08)}.word-lab-card small{font-size:1.05rem}.word-lab-card strong{font-size:1.08rem}.word-lab-card.is-target strong{color:var(--purple)}.word-lab-link{z-index:3;width:58px;height:30px;display:flex;align-items:center;justify-content:center;gap:3px}.word-lab-link i{width:4px;height:17px;border-radius:99px;background:linear-gradient(180deg,var(--cyan),var(--purple));transform:scaleY(.35)}.word-lab-link::after{content:"";width:8px;height:8px;border-top:2px solid var(--purple);border-right:2px solid var(--purple);transform:rotate(45deg);margin-left:2px}.word-lab-chip{position:absolute;z-index:2;padding:5px 8px;border-radius:10px;border:1px solid color-mix(in srgb,var(--purple) 14%,var(--line));background:color-mix(in srgb,var(--surface) 88%,transparent);font-size:.55rem;font-weight:950;letter-spacing:.06em;color:var(--purple);box-shadow:0 6px 16px rgba(49,59,104,.08)}.word-lab-chip.is-a{left:18px;top:12px;transform:rotate(-7deg)}.word-lab-chip.is-b{right:18px;bottom:10px;transform:rotate(7deg);color:var(--blue)}
@keyframes learning-card-sheen{0%,74%{transform:translateX(-58%)}100%{transform:translateX(62%)}}@keyframes number-track-live{0%,100%{transform:scaleX(.52);opacity:.58}50%{transform:scaleX(1);opacity:1}}@keyframes learning-wave-live{0%,100%{transform:scaleY(.34)}50%{transform:scaleY(1)}}@keyframes learning-float-soft{50%{transform:translateY(-4px)}}@keyframes word-card-exchange{0%,100%{transform:translateY(0)}50%{transform:translateY(-3px)}}
.lesson-card::before,.practice-card::before{animation:learning-card-sheen 8.5s ease-in-out infinite}.number-lab-track>i{animation:number-track-live 3.4s ease-in-out infinite}.number-lab-track>i:nth-of-type(2){animation-delay:-.8s}.number-lab-track>i:nth-of-type(3){animation-delay:-1.6s}.number-lab-track>i:nth-of-type(4){animation-delay:-2.4s}.number-lab-wave i,.word-lab-link i{animation:learning-wave-live 1.8s ease-in-out infinite}.number-lab-wave i:nth-child(2),.word-lab-link i:nth-child(2){animation-delay:-.25s}.number-lab-wave i:nth-child(3),.word-lab-link i:nth-child(3){animation-delay:-.55s}.number-lab-wave i:nth-child(4),.word-lab-link i:nth-child(4){animation-delay:-.85s}.number-lab-wave i:nth-child(5),.word-lab-link i:nth-child(5){animation-delay:-1.15s}.number-lab-wave i:nth-child(6){animation-delay:-.45s}.number-lab-wave i:nth-child(7){animation-delay:-.7s}.number-lab-spark{animation:learning-float-soft 4.8s ease-in-out infinite}.number-lab-spark.is-two{animation-delay:-2.1s}.word-lab-card.is-source{animation:word-card-exchange 5.4s ease-in-out infinite}.word-lab-card.is-target{animation:word-card-exchange 5.4s ease-in-out infinite -2.7s}
@media(hover:hover) and (pointer:fine){.lesson-card:hover .lesson-index,.practice-card:hover .practice-mark{transform:translateY(-3px) rotate(-2deg);box-shadow:0 7px 0 color-mix(in srgb,var(--line-strong) 62%,transparent),0 15px 25px rgba(55,68,112,.09)}.lesson-card:hover .number-lab-track b{transform:translateY(-2px)}.lesson-card:hover .number-lab-track strong{transform:translateY(-3px) scale(1.03)}.practice-card:hover .word-lab-card.is-source{transform:translateY(-3px) rotate(-1deg)}.practice-card:hover .word-lab-card.is-target{transform:translateY(-3px) rotate(1deg)}}
@media(max-width:520px){.number-lab-visual,.word-lab-visual{height:96px;border-radius:20px;margin-top:16px}.number-lab-track{grid-template-columns:42px 1fr 1fr 1fr 1fr 46px;gap:4px}.number-lab-track>span{display:none}.number-lab-track b,.number-lab-track strong{width:42px;height:42px;border-radius:14px}.number-lab-track strong{width:46px}.word-lab-card{min-width:82px;min-height:54px;padding:7px 10px;border-radius:15px}.word-lab-card strong{font-size:.95rem}.word-lab-link{width:46px}.word-lab-chip{font-size:.5rem;padding:4px 6px}.word-lab-chip.is-a{left:10px;top:8px}.word-lab-chip.is-b{right:10px;bottom:7px}}
@media(max-width:360px){.number-lab-track{width:92%;grid-template-columns:40px 1fr 1fr 1fr 1fr 44px}.number-lab-track b,.number-lab-track strong{width:40px;height:40px}.number-lab-track strong{width:44px}.number-lab-wave{display:none}.word-lab-visual{gap:6px}.word-lab-card{min-width:74px;padding-inline:8px}.word-lab-link{width:35px;gap:2px}.word-lab-chip{display:none}}
@media(prefers-reduced-motion:reduce){.lesson-card::before,.practice-card::before,.number-lab-track>i,.number-lab-wave i,.word-lab-link i,.number-lab-spark,.word-lab-card{animation:none!important}.lesson-card .lesson-index,.practice-card .practice-mark,.number-lab-track b,.number-lab-track strong,.word-lab-card{transition:none!important}}
@media(forced-colors:active){.lesson-card h3,.practice-card h3{-webkit-text-fill-color:CanvasText;background:none;color:CanvasText}.number-lab-visual,.word-lab-visual,.number-lab-track b,.number-lab-track strong,.word-lab-card,.word-lab-chip{background:Canvas;border:1px solid CanvasText;box-shadow:none}.number-lab-halo,.word-lab-halo,.number-lab-spark{display:none}}

/* CONTENT-0088: guided word lessons card shares canonical Words content without duplicating audio/data. */
.word-lessons-card{background:radial-gradient(circle at 82% 15%,color-mix(in srgb,var(--cyan) 14%,transparent),transparent 29%),linear-gradient(145deg,color-mix(in srgb,var(--surface-cyan) 67%,var(--surface)),color-mix(in srgb,var(--surface-warm) 63%,var(--surface)))}.word-lessons-card h3{background:linear-gradient(100deg,var(--blue),var(--purple) 55%,var(--pink));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.word-lessons-visual{position:relative;height:112px;margin:20px 0 10px;display:flex;align-items:center;justify-content:center;gap:10px;overflow:hidden;border:1px solid color-mix(in srgb,var(--purple) 10%,var(--line));border-radius:24px;background:linear-gradient(145deg,color-mix(in srgb,var(--surface) 88%,transparent),color-mix(in srgb,var(--surface-cyan) 40%,transparent));box-shadow:inset 0 1px 0 color-mix(in srgb,#fff 62%,transparent),0 12px 28px rgba(55,70,115,.07)}.word-lessons-glow{position:absolute;width:175px;height:175px;border-radius:50%;right:-35px;top:-70px;background:radial-gradient(circle,color-mix(in srgb,var(--pink) 15%,transparent),transparent 68%)}.word-lesson-stack{position:relative;z-index:2;width:105px;min-height:69px;padding:9px 12px;border-radius:17px;display:grid;grid-template-columns:auto 1fr;column-gap:8px;align-items:center;background:color-mix(in srgb,var(--surface) 96%,transparent);border:1px solid var(--line);box-shadow:0 5px 0 color-mix(in srgb,var(--line-strong) 54%,transparent),0 13px 22px rgba(55,66,110,.08)}.word-lesson-stack small{grid-row:1/3;width:25px;height:25px;border-radius:9px;display:grid;place-items:center;background:var(--surface-lilac);font-size:.55rem;font-weight:950;color:var(--purple)}.word-lesson-stack b{font-size:.95rem}.word-lesson-stack i{font-style:normal;font-size:.62rem;color:var(--muted);font-weight:800}.word-lesson-stack.is-one{transform:rotate(-2deg)}.word-lesson-stack.is-two{transform:rotate(2deg)}.word-lesson-path{position:relative;z-index:2;width:52px;display:flex;gap:4px;align-items:center}.word-lesson-path i{width:9px;height:4px;border-radius:99px;background:linear-gradient(90deg,var(--cyan),var(--purple));opacity:.75}.word-lesson-audio{position:absolute;z-index:3;left:14px;top:11px;width:28px;height:28px;border-radius:10px;display:grid;place-items:center;background:var(--surface);border:1px solid var(--line);color:var(--purple);box-shadow:0 5px 12px rgba(55,66,110,.08)}.word-lesson-audio .icon{width:14px;height:14px}@keyframes word-lesson-step{50%{transform:translateY(-3px) rotate(-1deg)}}.word-lessons-card .word-lesson-stack.is-one{animation:word-lesson-step 5s ease-in-out infinite}.word-lessons-card .word-lesson-stack.is-two{animation:word-lesson-step 5s ease-in-out infinite -2.5s}@media(max-width:520px){.word-lessons-visual{height:96px;border-radius:20px;margin-top:16px}.word-lesson-stack{width:88px;min-height:58px;padding:7px 9px}.word-lesson-stack b{font-size:.82rem}.word-lesson-stack i{font-size:.54rem}.word-lesson-path{width:38px}.word-lesson-audio{left:9px;top:7px}}@media(max-width:360px){.word-lesson-stack{width:78px}.word-lesson-path{width:28px}.word-lesson-path i:nth-child(2){display:none}.word-lesson-audio{display:none}}@media(prefers-reduced-motion:reduce){.word-lessons-card .word-lesson-stack{animation:none!important}}@media(forced-colors:active){.word-lessons-card h3{-webkit-text-fill-color:CanvasText;background:none;color:CanvasText}.word-lessons-visual,.word-lesson-stack,.word-lesson-audio{background:Canvas;border:1px solid CanvasText;box-shadow:none}.word-lessons-glow{display:none}}

/* CONTENT-0088 hierarchy: two LEARN cards pair first; the PRACTICE lab becomes a full-width second-stage card. */
@media(min-width:821px){.language-learning-grid>.practice-card{grid-column:1/-1;min-height:300px;display:grid;grid-template-columns:minmax(0,.92fr) minmax(360px,1.08fr);grid-template-rows:auto auto auto auto 1fr;column-gap:34px;align-items:start;padding:28px 32px}.language-learning-grid>.practice-card .learning-card-top,.language-learning-grid>.practice-card h3,.language-learning-grid>.practice-card>p,.language-learning-grid>.practice-card .learning-card-meta,.language-learning-grid>.practice-card .learning-card-cta{grid-column:1}.language-learning-grid>.practice-card .word-lab-visual{grid-column:2;grid-row:1/6;height:auto;min-height:220px;margin:0;align-self:stretch}.language-learning-grid>.practice-card .learning-card-cta{align-self:end}.language-learning-grid>.practice-card h3{margin-top:18px}}

/* CONTENT-0094 · Reversible sheen parity: same Video Lab visual effect, now continuous on hover enter/leave/re-entry. */
.lesson-card,
.practice-card,
.word-lessons-card{
  background:linear-gradient(132deg,color-mix(in srgb,var(--surface-cyan) 66%,var(--surface)),color-mix(in srgb,var(--surface-lilac) 80%,var(--surface)) 48%,color-mix(in srgb,var(--surface-pink) 58%,var(--surface)));
}
.lesson-card::before,
.practice-card::before,
.word-lessons-card::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:1;
  border-radius:inherit;
  pointer-events:none;
  background:linear-gradient(112deg,transparent 18%,color-mix(in srgb,#fff 42%,transparent) 42%,transparent 63%);
  opacity:.32;
  transform:translateX(-48%);
  transition:transform .85s ease;
  animation:none;
}
.lesson-card>*,
.practice-card>*,
.word-lessons-card>*{position:relative;z-index:2}
@media(hover:hover) and (pointer:fine){
  .lesson-card:hover::before,
  .practice-card:hover::before,
  .word-lessons-card:hover::before{transform:translateX(48%)}
}
.lesson-card:focus-visible::before,
.practice-card:focus-visible::before,
.word-lessons-card:focus-visible::before{transform:translateX(48%)}
html[data-theme="night"] .lesson-card,
html[data-theme="night"] .practice-card,
html[data-theme="night"] .word-lessons-card{
  background:linear-gradient(132deg,color-mix(in srgb,#132448 82%,var(--surface)),color-mix(in srgb,#2c2051 84%,var(--surface)) 52%,color-mix(in srgb,#492643 72%,var(--surface)));
}
@media(prefers-color-scheme:dark){
  html[data-theme="auto"] .lesson-card,
  html[data-theme="auto"] .practice-card,
  html[data-theme="auto"] .word-lessons-card{
    background:linear-gradient(132deg,color-mix(in srgb,#132448 82%,var(--surface)),color-mix(in srgb,#2c2051 84%,var(--surface)) 52%,color-mix(in srgb,#492643 72%,var(--surface)));
  }
}
@media(prefers-reduced-motion:reduce){
  .lesson-card::before,
  .practice-card::before,
  .word-lessons-card::before{animation:none!important;transform:translateX(-48%)!important;transition:none!important}
}


/* CONTENT-0096: contextual pronunciation library for the Numbers lesson. */
.number-pronunciation-library{margin:20px 0;padding:0;overflow:hidden}.number-pronunciation-library>summary{list-style:none;min-height:76px;padding:13px 18px;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:14px}.number-pronunciation-library>summary::-webkit-details-marker{display:none}.number-pronunciation-library>summary>span{display:grid;grid-template-columns:25px 1fr;column-gap:10px;align-items:center}.number-pronunciation-library>summary .icon{grid-row:1/3;width:22px;height:22px;color:var(--purple)}.number-pronunciation-library>summary strong{font-size:.9rem}.number-pronunciation-library>summary small{color:var(--muted);font-size:.7rem;line-height:1.35}.number-pronunciation-library>summary>b{font-size:1.2rem;color:var(--purple);transition:transform .18s ease}.number-pronunciation-library[open]>summary>b{transform:rotate(180deg)}.number-pronunciation-library-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;padding:0 16px 16px}.number-pronunciation-language{min-width:0;border:1px solid var(--line);border-radius:17px;background:var(--surface-soft);padding:10px}.number-pronunciation-language h3{display:flex;align-items:center;gap:7px;margin:0 0 8px;font-size:.78rem}.number-pronunciation-language h3 img{width:24px;height:16px;border-radius:4px}.number-pronunciation-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-template-rows:repeat(var(--number-library-rows,11),minmax(40px,auto));grid-auto-flow:column;gap:5px}.number-library-button{min-width:0;min-height:40px;border:1px solid var(--line);border-radius:11px;background:var(--surface);color:var(--ink);font:inherit;font-size:.66rem;font-weight:850;cursor:pointer;display:flex;align-items:center;gap:6px;padding:0 8px;text-align:left;transition:transform .16s ease,border-color .16s ease}.number-library-button>span:last-child{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.number-library-button[aria-pressed="true"]{border-color:color-mix(in srgb,var(--purple) 42%,var(--line));background:color-mix(in srgb,var(--surface-lilac) 48%,var(--surface))}
@media(hover:hover) and (pointer:fine){.number-library-button:hover{transform:translateY(-1px);border-color:color-mix(in srgb,var(--purple) 28%,var(--line))}}
@media(max-width:820px){.number-pronunciation-library-grid{grid-template-columns:1fr}}
@media(max-width:560px){.number-pronunciation-library>summary{min-height:72px;padding:12px 14px}.number-pronunciation-library-grid{padding:0 12px 12px}.number-library-button{min-height:46px}}
@media(max-width:360px){.number-library-button{padding-inline:6px;font-size:.63rem}}
@media(prefers-reduced-motion:reduce){.number-pronunciation-library>summary>b,.number-library-button{transition:none!important}.number-library-button:hover{transform:none}}
@media(forced-colors:active){.number-pronunciation-language,.number-library-button,.number-library-button[aria-pressed="true"]{background:Canvas;color:CanvasText;border:1px solid CanvasText}}