.lesson-scroll{background:var(--cream)}.lesson-cover{max-width:1160px;padding-block:90px 65px}.lesson-cover h1{margin:25px 0 30px;font-size:clamp(43px,5.4vw,76px);line-height:1.12}.lesson-cover h1 span{color:var(--olive-deep)}.lesson-cover .lede{max-width:700px}.cover-route{font:26px var(--display);align-items:center;gap:30px;margin:42px 0 30px;display:flex}.cover-route span{background:var(--surface-glass);box-shadow:var(--lift-shadow);border:1px solid #d6d9c6;border-radius:18px;padding:22px 30px}.cover-route i{color:#a66b32;font-style:normal}.cover-task{max-width:760px;margin:20px 0 30px;line-height:1.8}.lesson-index-wrap{padding-bottom:55px}.lesson-index{background:#e4e7da85;border:1px solid #cbd0ba;border-radius:14px;padding:22px 28px}.lesson-index summary{font:18px var(--ui);cursor:pointer;list-style:disclosure-closed}.lesson-index[open] summary{list-style:disclosure-open}.lesson-index summary>span{float:right;color:var(--olive-deep);font-size:14px}.lesson-index nav{grid-template-columns:repeat(3,1fr);gap:5px 25px;margin-top:24px;display:grid}.lesson-index a{border-bottom:1px solid #cbd0ba80;padding:12px 5px;font-size:15px}.lesson-index a:hover{color:#965623}.lesson-slide{background:radial-gradient(at 90% 20%,#f4ae5817,#0000 60%);border-top:1px solid #cbd0ba66;padding-block:85px;scroll-margin-top:20px}.lesson-slide:nth-of-type(2n){background:radial-gradient(at 0 100%,#f4ae5815,#0000 50%),#e4e7da50}.lesson-slide-inner{grid-template-columns:1fr 1.05fr;align-items:center;gap:45px 65px;display:grid}.lesson-copy h2{margin:22px 0 25px;font-size:clamp(34px,3.5vw,48px);line-height:1.17}.lesson-description{font-size:18px;line-height:1.85}.lesson-task{border-left:3px solid var(--orange);background:#fffdf591;border-radius:0 12px 12px 0;margin-top:28px;padding:20px 24px}.task-label{font:11px var(--ui);letter-spacing:.12em;color:#825323}.lesson-task p{margin-top:13px;font-size:16px;line-height:1.85}.lesson-example{padding-top:26px}.lesson-example>p[lang=en]{color:var(--olive-deep);margin:12px 0;font-size:21px;line-height:1.6}.lesson-example>p:last-child:not([lang]){color:var(--muted);font-size:14px}.next-lesson{font:13px var(--ui);border-bottom:1px solid var(--olive);grid-column:1/-1;justify-self:end;padding:12px 0}.lesson-visual{isolation:isolate;min-height:370px;box-shadow:var(--light-shadow),var(--lift-shadow);background:linear-gradient(140deg,#fffdf5ef,#faf3e8ba);border:1px solid #fffdf5;border-radius:28px;flex-direction:column;justify-content:center;align-items:center;gap:32px;padding:48px 34px;display:flex;position:relative;overflow:hidden}.lesson-visual:before{content:"";z-index:-1;border:1px solid #f4ae5866;border-radius:50%;width:240px;height:240px;position:absolute;top:-70px;right:-55px;box-shadow:0 0 70px #f4ae5820}.visual-watermark{font:56px var(--display);color:#7c835f22;position:absolute;top:16px;left:26px}.visual-signature{font:8px var(--ui);letter-spacing:.17em;color:var(--olive-deep);position:absolute;bottom:20px}.visual-symbol svg{width:82px;height:85px;color:var(--olive-deep);filter:drop-shadow(3px 3px #f4ae5866)}.visual-words{flex-wrap:wrap;justify-content:center;gap:14px;display:flex}.visual-words>span{font:19px/1.5 var(--ui);background:#e4e7dac9;border:1px solid #cbd0ba;border-radius:12px;padding:15px 19px;box-shadow:0 8px 18px -13px #292f2366}.visual-words .word-lead{background:var(--olive);color:var(--cream);text-align:center;min-width:80%}.visual-dialogue .visual-words{flex-direction:column;align-items:start;width:100%;display:flex}.visual-dialogue .visual-words>span{border-radius:15px 15px 15px 2px;font-size:17px}.visual-dialogue .visual-words>span:nth-child(2){background:#f4ae5838;border-color:#eac38c;border-radius:15px 15px 2px;align-self:end}.visual-sequence .visual-words>span{font-size:17px}.visual-sequence .visual-words>span:not(:last-child):after{content:" →";color:#a66b32;margin-left:8px}.visual-definition .visual-words>span{border-radius:50%;place-items:center;min-width:85px;min-height:85px;font-size:14px;display:grid}.visual-language .visual-words,.visual-collocations .visual-words{text-align:center;flex-direction:column;align-items:stretch}.visual-letters .visual-words>span{font:30px var(--display);background:var(--cream);text-align:center;border-bottom:5px solid #c4a57a;min-width:45px;padding:12px}.visual-idioms .visual-words{grid-template-columns:1fr 1fr;display:grid}.visual-idioms .visual-words>span{text-align:center;font-size:15px}.visual-idioms .visual-words>span:nth-child(2n){background:#f4ae582e}.visual-half .visual-words>span:nth-child(2n){background:var(--olive);color:var(--cream)}.visual-story .visual-words>span{transform:rotate(-3deg)}.visual-story .visual-words>span:nth-child(2n){background:#f4ae582e;transform:rotate(3deg)}.audio-bars{align-items:center;gap:8px;height:95px;display:flex}.audio-bars i{background:linear-gradient(var(--olive),#f4ae5880);border-radius:5px;width:9px;display:block}.visual-gap-line{text-align:center;font-size:19px;line-height:2}.visual-gap-line span{border-bottom:2px dashed var(--olive);color:#b16c2f;min-width:40px;display:inline-block}.travel-route{letter-spacing:.1em;color:#ac753b;font-size:45px;transform:rotate(-10deg)}.visual-travel .visual-words>span{font-size:14px}.visual-picture{grid-template-columns:1.1fr 1fr;gap:22px;padding:28px 28px 55px;display:grid}.describe-art{object-fit:contain;border-radius:13px;width:100%;height:360px}.picture-words{gap:18px;display:grid}.picture-words span{font:15px var(--ui);border-bottom:1px solid #cbd0ba;padding:12px 0}.story-dice{grid-template-columns:repeat(3,1fr);gap:25px;display:grid}.story-dice>div{background:var(--cream);border:1px solid #bac1a4;border-radius:17px;padding:18px;transform:rotate(-7deg);box-shadow:4px 6px #7c835f35}.story-dice>div:nth-child(2n){transform:rotate(7deg)}.story-dice svg{width:48px;height:50px;color:var(--olive-deep)}.difference-pair{grid-template-columns:1fr 1fr;gap:18px;display:grid}.difference-pair figure{text-align:center;margin:0}.difference-pair svg{width:100%}.difference-pair figcaption{font:16px var(--ui);margin-top:16px}.activity-bank{grid-column:1/-1;grid-template-columns:repeat(3,1fr);gap:24px;display:grid}.activity-bank article{background:var(--surface-glass);border:1px solid #cbd0ba;border-radius:16px;padding:27px;scroll-margin-top:25px}.activity-bank article>span{font:13px var(--ui);color:#956631}.activity-bank h3{margin:15px 0;font-size:22px;line-height:1.3}.activity-bank p{font-size:15px;line-height:1.8}.lesson-sentence .lesson-slide-inner{grid-template-columns:1fr}.lesson-sentence .lesson-copy{max-width:880px}.sentence-builder{background:var(--surface-glass);box-shadow:var(--lift-shadow);border:1px solid #cbd0ba;border-radius:24px;overflow:hidden}.sentence-controls{background:#e4e7da80;border-bottom:1px solid #cbd0ba;flex-wrap:wrap;gap:10px;padding:24px;display:flex}.sentence-controls[hidden]{display:none}.sentence-controls button{text-align:left;background:var(--cream);min-width:140px;font:13px/1.5 var(--ui);color:var(--ink);border:1px solid #cbd0ba;border-radius:10px;flex:1;padding:15px}.sentence-controls button>span{color:#956631;margin-bottom:7px;font-size:18px;display:block}.sentence-controls button[aria-pressed=true]{background:var(--olive-deep);color:var(--cream);border-color:var(--olive-deep)}.sentence-controls button[aria-pressed=true]>span{color:#f4ca94}.sentence-stage{padding:32px}.sentence-stage[hidden]{display:none}.sentence-structure{flex-wrap:wrap;align-items:end;gap:16px;margin:35px 0;display:flex}.syntax-token{background:var(--cream);border:1px solid #cbd0ba;border-radius:10px;flex-direction:column;align-items:center;gap:8px;min-width:65px;padding:15px 14px;display:flex;position:relative}.syntax-token strong{font:25px/1.2 var(--ui)}.syntax-token small{font:10px/1.4 var(--ui);color:var(--ink);text-align:center;max-width:130px}.syntax-token.subject{background:#d5dfc7;border-color:#9fad8b}.syntax-token.verb{background:#f8d4a6;border-color:#dcaf72}.syntax-token.article{background:#f7e8ba}.syntax-token.adjective{background:#f8d3c5}.syntax-token.noun{background:#e3e7d7}.syntax-token.conjunction{background:#ddd5e6}.syntax-token.adverb{background:#d9e6e4}.syntax-token.complement{background:#ebe0d0}.syntax-group{border:1px dashed #9fa988;border-radius:15px;flex-wrap:wrap;gap:9px;padding:26px 12px 12px;display:flex;position:relative}.syntax-group-label{font:10px var(--ui);color:var(--olive-deep);position:absolute;top:6px;left:12px}.sentence-translation{margin-top:20px;font-size:20px;line-height:1.7}.sentence-explanation{max-width:850px;color:var(--muted);margin-top:20px;font-size:16px;line-height:1.8}.sentence-hint{font:12px/1.7 var(--ui);color:var(--olive-deep);padding:0 32px 28px}.lesson-pending .lesson-task{border-color:#7c835f}@media (width>=981px){.lesson-slide:nth-of-type(odd):not(.lesson-sentence) .lesson-copy{grid-area:1/2}.lesson-slide:nth-of-type(odd):not(.lesson-sentence) .lesson-visual{grid-area:1/1}}@media (width<=1100px){.lesson-slide-inner{gap:35px}.activity-bank{grid-template-columns:repeat(2,1fr)}.visual-words>span{font-size:16px}.visual-letters .visual-words>span{min-width:40px;padding:10px;font-size:24px}}@media (width<=980px){.lesson-slide-inner{grid-template-columns:1fr}.lesson-copy{max-width:760px}.lesson-visual{min-height:340px}.lesson-index nav{grid-template-columns:repeat(2,1fr)}.lesson-cover{padding-top:60px}}@media (width<=700px){.lesson-slide{padding-block:52px}.lesson-slide-inner{gap:30px}.lesson-cover{padding-block:48px}.lesson-cover h1{font-size:43px}.cover-route{flex-wrap:wrap;gap:10px;font-size:17px}.cover-route span{padding:17px 12px}.cover-task{font-size:15px}.lesson-index{padding:20px}.lesson-index summary{font-size:16px}.lesson-index summary>span{float:none;margin-top:10px;display:block}.lesson-index nav{grid-template-columns:1fr}.lesson-description{font-size:17px}.lesson-copy h2{font-size:34px}.lesson-visual{border-radius:20px;min-height:325px;padding:40px 22px}.visual-picture{grid-template-columns:1fr 1fr;padding:25px 20px 50px}.describe-art{height:275px}.picture-words span{font-size:13px}.visual-words>span{padding:12px 15px;font-size:16px}.visual-dialogue .visual-words>span{font-size:15px}.visual-letters .visual-words{gap:8px}.visual-letters .visual-words>span{min-width:37px;padding:10px;font-size:24px}.story-dice{gap:19px}.story-dice>div{padding:13px}.story-dice svg{width:38px;height:40px}.activity-bank{grid-template-columns:1fr;gap:18px}.sentence-controls{gap:8px;padding:18px}.sentence-controls button{min-width:120px;padding:12px;font-size:12px}.sentence-stage{padding:23px 18px}.syntax-token{min-width:55px;padding:12px 10px}.syntax-token strong{font-size:21px}.syntax-token small{font-size:9px}.sentence-structure{gap:13px}.syntax-group{gap:7px;padding:29px 9px 9px}.syntax-group-label{font-size:9px;left:9px}.sentence-hint{padding:0 18px 24px}.sentence-translation{font-size:18px}}.activity-bank .activity-preparation{background:#e4e7da8c;grid-column:1/-1}.activity-preparation p+p{margin-top:15px}.activity-preparation p[lang=en]{color:var(--olive-deep);font-size:18px}.sentence-reading{color:var(--olive-deep);max-width:980px;font-size:22px;line-height:1.75}