.education-background{--background-line: rgba(73, 111, 138, .18);--background-ink: rgba(70, 82, 115, .58);--background-gold: rgba(245, 184, 46, .62);--background-teal: rgba(46, 196, 182, .48);--background-pink: rgba(255, 111, 174, .46);--background-blue: rgba(95, 155, 225, .48);position:fixed;top:0;right:0;bottom:0;left:0;overflow:hidden;pointer-events:none;z-index:0}:root[data-theme=dark] .education-background{--background-line: rgba(173, 198, 255, .24);--background-ink: rgba(227, 235, 255, .72);--background-gold: rgba(255, 204, 106, .44);--background-teal: rgba(79, 220, 204, .38);--background-pink: rgba(255, 136, 186, .34);--background-blue: rgba(121, 174, 255, .34)}.education-background,.education-background *{pointer-events:none}.education-background:before,.education-background:after{position:absolute;top:0;right:0;bottom:0;left:0;content:""}.education-background:before{opacity:.45;background-image:radial-gradient(circle at 18% 24%,rgba(255,255,255,.72) 0 .08rem,transparent .09rem),radial-gradient(circle at 72% 16%,rgba(255,255,255,.58) 0 .06rem,transparent .07rem),radial-gradient(circle at 40% 78%,rgba(255,255,255,.5) 0 .07rem,transparent .08rem);background-size:7rem 7rem,9rem 9rem,8rem 8rem}:root[data-theme=dark] .education-background:before{opacity:.28}.education-background:after{opacity:.24;background:linear-gradient(115deg,transparent 0 48%,rgba(255,255,255,.54) 49%,transparent 51%),radial-gradient(circle at 54% 42%,rgba(255,247,219,.45),transparent 23rem)}:root[data-theme=dark] .education-background:after{opacity:.34;background:linear-gradient(115deg,transparent 0 48%,rgba(255,255,255,.14) 49%,transparent 51%),radial-gradient(circle at 54% 42%,rgba(113,154,255,.18),transparent 23rem)}.education-background__wash,.education-background__image,.education-background__path,.education-background__motif{position:absolute;-webkit-user-select:none;user-select:none}.education-background__image{top:0;right:0;bottom:0;left:0;opacity:.76;background-position:center top;background-repeat:no-repeat;background-size:min(100vw,100%) auto;mix-blend-mode:normal;transform:translateZ(0) scale(1);animation:image-drift 36s ease-in-out infinite}:root[data-theme=dark] .education-background__image{opacity:.92;background-size:cover;background-position:center top}.education-background__image--mobile{display:none}.education-background__image--still{animation:none}.education-background__wash{border-radius:999px;filter:blur(16px);opacity:.44;animation:wash-breathe 18s ease-in-out infinite}.education-background__wash--gold{top:4%;right:-4%;width:20rem;height:20rem;background:radial-gradient(circle,#f5b82e38,#f5b82e00)}:root[data-theme=dark] .education-background__wash--gold{background:radial-gradient(circle,#ffc8622e,#ffc86200)}.education-background__wash--teal{bottom:7%;left:-5%;width:16rem;height:16rem;animation-delay:-7s;background:radial-gradient(circle,#2ec4b62e,#2ec4b600)}:root[data-theme=dark] .education-background__wash--teal{background:radial-gradient(circle,#4fdccc24,#4fdccc00)}.education-background__wash--pink{top:37%;left:47%;width:13rem;height:13rem;animation-delay:-12s;background:radial-gradient(circle,#ff6fae21,#ff6fae00)}:root[data-theme=dark] .education-background__wash--pink{background:radial-gradient(circle,#ff88ba1f,#ff88ba00)}.education-background__path{aspect-ratio:13 / 6;max-width:46vw;opacity:.34;transform:rotate(var(--path-rotate, 0deg));animation:path-bob var(--path-duration, 32s) ease-in-out infinite;animation-delay:var(--path-delay, 0s)}.education-background__path-svg{display:block;width:100%;height:auto;overflow:visible}.education-background__path-svg path{fill:none;stroke:var(--background-line);stroke-width:3.4;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:.025 .045;stroke-dashoffset:0;animation:dash-walk var(--path-duration, 32s) linear infinite}.education-background__path--loop{opacity:.26}.education-background__path--swoop .education-background__path-svg path{stroke:#f5b82e33}.education-background__path--still,.education-background__path--still .education-background__path-svg path{animation:none}.education-background__motif{--motif-accent: var(--background-blue);--motif-fill: rgba(255, 255, 255, .56);--motif-shadow: rgba(73, 111, 138, .08);display:grid;place-items:center;opacity:.43;transform:translateZ(0) rotate(var(--motif-rotate, 0deg));animation:float-drift var(--float-duration, 22s) ease-in-out infinite;animation-delay:var(--float-delay, 0s);will-change:transform}.education-background__motif--still{animation:none;will-change:auto}.education-background__motif--tone-gold{--motif-accent: var(--background-gold);--motif-shadow: rgba(245, 184, 46, .11)}.education-background__motif--tone-teal{--motif-accent: var(--background-teal);--motif-shadow: rgba(46, 196, 182, .09)}.education-background__motif--tone-pink{--motif-accent: var(--background-pink);--motif-shadow: rgba(255, 111, 174, .1)}.education-background__motif--tone-blue{--motif-accent: var(--background-blue);--motif-shadow: rgba(95, 155, 225, .1)}.education-background__motif--small{opacity:.36}.education-background__motif--medium{opacity:.4}.education-background__motif--large{opacity:.46}.education-background__motif--letter{width:clamp(2.35rem,5vw,3.7rem);height:clamp(2.35rem,5vw,3.7rem);border:.1rem dashed color-mix(in srgb,var(--motif-accent),transparent 42%);border-radius:1.1rem 1.35rem 1.05rem 1.3rem;background:linear-gradient(135deg,#ffffffc2,#ffffff5c),radial-gradient(circle at 20% 20%,color-mix(in srgb,var(--motif-accent),transparent 74%),transparent 55%);box-shadow:inset 0 1px #ffffff94,0 .65rem 1.4rem var(--motif-shadow);color:color-mix(in srgb,var(--motif-accent),var(--background-ink) 46%);font-family:Trebuchet MS,Comic Sans MS,cursive;font-size:clamp(.95rem,2.3vw,1.45rem);font-weight:800;line-height:1}.education-background__motif--book{width:clamp(3.2rem,7vw,4.8rem);height:clamp(2.25rem,5vw,3.35rem)}.education-background__book{position:relative;width:100%;height:100%;border:.12rem solid color-mix(in srgb,var(--motif-accent),transparent 38%);border-radius:.85rem .65rem .7rem .9rem;background:linear-gradient(90deg,#ffffffb3 0,#ffffffb3 48%,#fffae8d1 48%,#fffae8d1),linear-gradient(145deg,color-mix(in srgb,var(--motif-accent),transparent 76%),#ffffffb8);box-shadow:0 .7rem 1.35rem var(--motif-shadow)}.education-background__book:before,.education-background__book:after{position:absolute;content:""}.education-background__book:before{left:50%;top:.25rem;bottom:.25rem;width:.12rem;border-radius:999px;background:color-mix(in srgb,var(--motif-accent),transparent 50%);transform:translate(-50%)}.education-background__book:after{left:15%;right:12%;top:35%;height:32%;border-top:.1rem dashed color-mix(in srgb,var(--motif-accent),transparent 40%);border-bottom:.1rem dashed color-mix(in srgb,var(--motif-accent),transparent 48%)}.education-background__motif--pencil,.education-background__motif--ruler{width:clamp(3.8rem,8vw,5.5rem);height:clamp(1.15rem,2vw,1.45rem)}.education-background__pencil{position:relative;width:100%;height:100%;border:.1rem solid rgba(132,102,54,.13);border-radius:999px;background:linear-gradient(90deg,#ff8db980 0,#ff8db980 17%,#ffffffc7 17%,#ffffffc7 22%,#facb5594 22%,#facb5594 78%,#fff2ccd1 78%,#fff2ccd1);box-shadow:0 .55rem 1.2rem var(--motif-shadow)}.education-background__pencil:before,.education-background__pencil:after{position:absolute;top:50%;content:"";transform:translateY(-50%)}.education-background__pencil:before{right:-.72rem;width:0;height:0;border-top:.52rem solid transparent;border-bottom:.52rem solid transparent;border-left:.72rem solid rgba(255,239,201,.82)}.education-background__pencil:after{right:-.92rem;width:0;height:0;border-top:.25rem solid transparent;border-bottom:.25rem solid transparent;border-left:.3rem solid rgba(80,63,48,.45)}.education-background__ruler{position:relative;width:100%;height:100%;border:.1rem solid color-mix(in srgb,var(--motif-accent),transparent 34%);border-radius:.35rem;background:#fff4c594;box-shadow:0 .55rem 1.2rem var(--motif-shadow)}.education-background__ruler:before,.education-background__ruler:after{position:absolute;top:.18rem;bottom:.18rem;content:""}.education-background__ruler:before{left:13%;width:72%;background-image:repeating-linear-gradient(90deg,color-mix(in srgb,var(--motif-accent),transparent 42%) 0 .08rem,transparent .08rem .62rem)}.education-background__ruler:after{left:20%;right:18%;border-top:.08rem dashed rgba(133,102,44,.16)}.education-background__motif--star,.education-background__motif--sparkle{width:clamp(1.8rem,4vw,2.7rem);height:clamp(1.8rem,4vw,2.7rem)}.education-background__star{position:relative;width:100%;height:100%;background:linear-gradient(180deg,#ffe9a8c2,#f5b82e80);clip-path:polygon(50% 0%,63% 34%,100% 38%,72% 58%,82% 95%,50% 74%,18% 95%,28% 58%,0% 38%,37% 34%);filter:drop-shadow(0 .45rem .8rem var(--motif-shadow))}.education-background__star:after{position:absolute;top:22%;right:22%;bottom:22%;left:22%;border-radius:999px;background:#ffffff7a;content:""}.education-background__sparkle{position:relative;width:100%;height:100%}.education-background__sparkle:before,.education-background__sparkle:after{position:absolute;left:50%;top:50%;border-radius:999px;background:color-mix(in srgb,var(--motif-accent),rgba(255,255,255,.72) 36%);content:"";transform:translate(-50%,-50%)}.education-background__sparkle:before{width:.24rem;height:100%}.education-background__sparkle:after{width:100%;height:.24rem}.education-background__motif--apple{width:clamp(2.25rem,5vw,3.25rem);height:clamp(2.45rem,5vw,3.5rem)}.education-background__apple{position:relative;width:84%;height:80%;margin-top:12%;border:.1rem solid color-mix(in srgb,var(--motif-accent),transparent 28%);border-radius:52% 48% 48% 52%/46% 46% 58% 58%;background:linear-gradient(145deg,#ff98b280,#fff4fab3);box-shadow:0 .6rem 1.25rem var(--motif-shadow)}.education-background__apple:before,.education-background__apple:after{position:absolute;content:""}.education-background__apple:before{left:47%;top:-.56rem;width:.18rem;height:.7rem;border-radius:999px;background:#684c2c75;transform:rotate(15deg)}.education-background__apple:after{left:57%;top:-.5rem;width:.82rem;height:.44rem;border-radius:100% 0;background:#69be7575;transform:rotate(-18deg)}.education-background__motif--bulb{width:clamp(2.35rem,5vw,3.35rem);height:clamp(3.25rem,7vw,4.65rem)}.education-background__bulb{position:relative;width:100%;height:100%}.education-background__bulb:before,.education-background__bulb:after{position:absolute;content:""}.education-background__bulb:before{top:0;left:50%;width:72%;height:67%;border:.1rem solid rgba(219,164,40,.24);border-radius:50% 50% 44% 44%;background:linear-gradient(180deg,#ffe7a3b3,#ffffff80);box-shadow:0 .55rem 1.2rem var(--motif-shadow);transform:translate(-50%)}.education-background__bulb:after{left:50%;bottom:.34rem;width:34%;height:23%;border-radius:.42rem;background:repeating-linear-gradient(180deg,rgba(70,82,115,.2) 0 .13rem,transparent .13rem .28rem),#ffffff80;transform:translate(-50%)}.education-background__twinkle{position:absolute;top:-.16rem;right:-.16rem;bottom:-.16rem;left:-.16rem;opacity:.36;transform:rotate(18deg)}.education-background__twinkle:before,.education-background__twinkle:after{position:absolute;left:50%;top:50%;border-radius:999px;background:#ffdb70b3;content:"";transform:translate(-50%,-50%)}.education-background__twinkle:before{width:.16rem;height:100%}.education-background__twinkle:after{width:100%;height:.16rem}@keyframes float-drift{0%,to{transform:translateZ(0) rotate(var(--motif-rotate, 0deg))}50%{transform:translate3d(var(--float-x, .65rem),var(--float-y, -.8rem),0) rotate(var(--float-rotate, 4deg))}}@keyframes path-bob{0%,to{transform:translateZ(0) rotate(var(--path-rotate, 0deg))}50%{transform:translate3d(.35rem,-.45rem,0) rotate(var(--path-rotate, 0deg))}}@keyframes dash-walk{to{stroke-dashoffset:-.7}}@keyframes wash-breathe{0%,to{transform:scale(1)}50%{transform:scale(1.06)}}@keyframes image-drift{0%,to{transform:translateZ(0) scale(1)}50%{transform:translate3d(-.35rem,.25rem,0) scale(1.004)}}@media (max-width: 759px){.education-background__image{top:0;right:0;bottom:0;left:0;opacity:.86;background-position:center top;background-size:auto min(100dvh,100%)}.education-background__image--web{display:none}.education-background__image--mobile{display:block}.education-background__wash--gold{right:-12%;width:12rem;height:12rem}.education-background__wash--teal{bottom:16%;width:10rem;height:10rem}.education-background__wash--pink{left:58%;top:49%;width:7rem;height:7rem}.education-background__path{max-width:62vw;opacity:.22}.education-background__path--wander{left:20%;top:11%}.education-background__path--loop{left:28%}.education-background__path--swoop{left:34%}.education-background__motif{opacity:.32}.education-background__motif--ruler,.education-background__motif--sparkle{display:none}}@media (prefers-reduced-motion: reduce){.education-background__wash,.education-background__image,.education-background__path,.education-background__path-svg path,.education-background__motif{animation:none}.education-background__image{transform:scale(1)}.education-background__path{transform:rotate(var(--path-rotate, 0deg))}.education-background__motif{transform:rotate(var(--motif-rotate, 0deg));will-change:auto}}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:200 1000;src:url(/assets/nunito-latin-wght-normal-BzFMHfZw.woff2) format("woff2-variations")}:root{font-family:Nunito,"Baloo 2",Comic Neue,Trebuchet MS,Avenir Next,sans-serif;color:#111b46;background:#eaf8ff;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--font-display: "Nunito", "Baloo 2", "Comic Neue", "Trebuchet MS", "Avenir Next", sans-serif;--font-body: "Nunito", "Comic Neue", "Trebuchet MS", "Avenir Next", sans-serif;--ink: #111b46;--ink-soft: #4c5275;--ink-muted: #6d7396;--sky-1: #d9f5ff;--sky-2: #f6fbff;--grass-1: #b9ef87;--grass-2: #74c95b;--hill-blue: #bfddf2;--surface: rgba(255, 255, 255, .94);--surface-solid: #ffffff;--surface-tint: #f7f9ed;--primary: #657323;--primary-deep: #3f4c12;--primary-soft: #edf3d2;--accent: #ff69a7;--accent-warm: #ffb75e;--sand: #f9d98e;--sand-edge: #efbc5f;--leaf: #3f9d45;--mint: #19b9a8;--focus: rgba(33, 117, 255, .34);--shadow-soft: 0 18px 38px rgba(64, 76, 18, .13);--shadow-card: 0 24px 60px rgba(55, 70, 20, .18);--shadow-clay: 0 12px 0 rgba(77, 91, 23, .08), 0 20px 36px rgba(70, 84, 25, .18);--radius-xl: 36px;--radius-lg: 28px;--radius-md: 22px;--radius-pill: 999px;--page-gutter: clamp(14px, 3vw, 40px);--page-background: radial-gradient(circle at 18% 12%, rgba(255, 255, 255, .95) 0 9%, transparent 10%), radial-gradient(circle at 86% 18%, rgba(255, 255, 255, .82) 0 8%, transparent 9%), linear-gradient(180deg, var(--sky-1) 0%, var(--sky-2) 46%, #f4f8ea 100%);--panel-glass: rgba(255, 255, 255, .4);--panel-glass-border: rgba(255, 255, 255, .74);--card-surface: rgba(255, 255, 255, .92);--card-surface-strong: rgba(255, 255, 255, .86);--card-shadow-strong: 0 18px 30px rgba(73, 88, 30, .18);--card-shadow-soft: 0 12px 24px rgba(64, 76, 18, .09);--chip-surface: rgba(255, 255, 255, .6);--chip-border: rgba(255, 255, 255, .5);--chip-shadow: inset 0 1px 0 rgba(255, 255, 255, .48), 0 8px 20px rgba(0, 0, 0, .08);--button-surface: linear-gradient(145deg, #ffffff, #f0f5dc);--button-surface-soft: linear-gradient(145deg, #ffffff, #eef4d5);--button-text: var(--primary-deep);--input-surface: #ffffff;--input-border: rgba(73, 84, 31, .16);--lesson-track: #e7edc9;--alphabet-panel-background: radial-gradient(circle at 18% 12%, rgba(255, 255, 255, .95) 0 6%, transparent 7%), radial-gradient(circle at 78% 20%, rgba(255, 255, 255, .84) 0 5%, transparent 6%), linear-gradient(180deg, #dff6ff 0%, #eefaff 42%, #b8ed89 43%, #83d765 100%)}:root[data-theme=dark]{color:#edf2ff;background:#0c1630;--ink: #edf2ff;--ink-soft: #bec9f2;--ink-muted: #90a0d8;--sky-1: #10203f;--sky-2: #17274b;--hill-blue: #334c72;--surface: rgba(31, 36, 48, .84);--surface-solid: #242a36;--surface-tint: #303744;--primary: #c6d56f;--primary-deep: #eff7bc;--primary-soft: rgba(154, 171, 73, .28);--accent: #ff88ba;--accent-warm: #ffc671;--sand: #f0c673;--sand-edge: #d79734;--leaf: #6dd97b;--mint: #4fdccc;--focus: rgba(122, 182, 255, .44);--shadow-soft: 0 20px 42px rgba(0, 0, 0, .32);--shadow-card: 0 28px 64px rgba(0, 0, 0, .42);--shadow-clay: 0 12px 0 rgba(12, 18, 41, .24), 0 22px 42px rgba(0, 0, 0, .32);--page-background: radial-gradient(circle at 18% 12%, rgba(123, 148, 255, .16) 0 9%, transparent 10%), radial-gradient(circle at 86% 18%, rgba(255, 180, 118, .12) 0 8%, transparent 9%), linear-gradient(180deg, #091224 0%, #101d38 48%, #16244a 100%);--panel-glass: rgba(34, 39, 51, .76);--panel-glass-border: rgba(190, 198, 216, .16);--card-surface: rgba(38, 43, 55, .9);--card-surface-strong: rgba(42, 47, 59, .94);--card-shadow-strong: 0 22px 42px rgba(0, 0, 0, .34);--card-shadow-soft: 0 14px 30px rgba(0, 0, 0, .24);--chip-surface: rgba(43, 49, 63, .78);--chip-border: rgba(190, 198, 216, .14);--chip-shadow: inset 0 1px 0 rgba(255, 255, 255, .04), 0 10px 22px rgba(0, 0, 0, .22);--button-surface: linear-gradient(145deg, #3a4252, #262e3d);--button-surface-soft: linear-gradient(145deg, rgba(58, 66, 82, .95), rgba(38, 46, 61, .95));--button-text: #edf2ff;--input-surface: rgba(35, 40, 52, .96);--input-border: rgba(190, 198, 216, .18);--lesson-track: rgba(116, 129, 199, .24);--alphabet-panel-background: radial-gradient(circle at 18% 12%, rgba(255, 255, 255, .16) 0 6%, transparent 7%), radial-gradient(circle at 78% 20%, rgba(173, 214, 255, .14) 0 5%, transparent 6%), linear-gradient(180deg, #15254a 0%, #1a3359 42%, #274a3b 43%, #1d322e 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clamp(14px,1.8vw,22px) clamp(12px,1.4vw,16px);border-radius:var(--radius-lg);background:var(--panel-glass);border:1px solid var(--panel-glass-border);box-shadow:0 16px 34px #53479714;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.brand-cluster,.adventure-brand{display:flex;gap:14px;align-items:center;min-width:0}.brand-book,.brand-mark{position:relative;display:grid;place-items:center;flex:0 0 58px;width:58px;height:58px;border-radius:21px;background:radial-gradient(circle at 35% 26%,rgba(255,255,255,.95) 0 18%,transparent 19%),linear-gradient(145deg,#ffcb4b,#ff8e4f);box-shadow:var(--shadow-clay)}.brand-book-page{position:absolute;width:15px;height:28px;border-radius:12px 3px 3px 12px;background:#fff;transform:skewY(-10deg)}.brand-book-page:first-child{left:17px}.brand-book-page-right{right:17px;border-radius:3px 12px 12px 3px;transform:skewY(10deg)}.brand-cluster h1,.adventure-brand 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#c269201c}.lesson-art-layer{pointer-events:none;-webkit-user-select:none;user-select:none}.lesson-art-layer-background,.lesson-art-layer-foreground{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover}.lesson-art-layer-background{z-index:0}.lesson-art-layer-foreground{z-index:3}.lesson-art-title{position:absolute;top:0;left:0;right:70px;z-index:4;min-height:68px;margin:0;padding:12px clamp(18px,3vw,30px);border-radius:clamp(24px,3vw,36px) 0 24px 0;background:#111b46;color:#fff;font-family:var(--font-display);font-size:clamp(1.9rem,4.2vw,3.25rem);font-weight:900;line-height:1.08;letter-spacing:0;box-shadow:0 12px 24px #111b462e}.lesson-art-listen-button{position:absolute;right:16px;top:16px;z-index:4;display:inline-grid;place-items:center;width:52px;height:52px;min-width:52px;min-height:52px;padding:0;border:2px solid rgba(255,255,255,.86);border-radius:50%;background:#ffffffeb;color:var(--primary);box-shadow:0 0 0 5px #6573231a,0 14px 24px 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4%),linear-gradient(145deg,#87efd8,#37c983)}.lesson-art-lavender,.flashcard-art-lavender{background:radial-gradient(circle at 15% 18%,rgba(255,255,255,.24) 0 3%,transparent 4%),linear-gradient(145deg,#dbe79a,#8a9a3d)}.lesson-art-peach,.flashcard-art-peach{background:radial-gradient(circle at 15% 18%,rgba(255,255,255,.22) 0 3%,transparent 4%),linear-gradient(145deg,#ffc0a0,#ff8f76)}.lesson-art-frame,.flashcard-art-frame{display:grid;place-items:center;gap:12px;width:min(86%,340px);min-height:240px;color:#fff;text-align:center}.lesson-art-letter,.flashcard-art-letter{color:#fff;font-size:clamp(7rem,17vw,13rem);font-weight:900;line-height:.85;text-shadow:0 9px 0 rgba(98,60,17,.08),0 22px 38px rgba(84,46,18,.2)}.lesson-art-name,.flashcard-art-name{min-height:44px;padding:8px 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#4d397a1f}.lesson-mobile-letter{color:var(--primary);font-size:2.2rem;font-weight:900;line-height:1}.lesson-mobile-letter-copy{display:grid;gap:2px}.lesson-mobile-letter-word{color:var(--ink);font-size:1rem;font-weight:900}.lesson-mobile-letter-hint{color:var(--ink-soft);font-size:.78rem;font-weight:800}.lesson-mobile-drawer-toggle{min-height:50px;padding:0 14px;border-radius:var(--radius-pill);background:var(--input-surface);color:var(--button-text);font-weight:900;box-shadow:0 10px 20px #424e1e1a}.lesson-heading,.flashcard-heading,.lesson-story-text,.flashcard-description,.lesson-progress-meta,.lesson-action-row,.flashcard-actions{justify-content:center;text-align:center}.lesson-copy,.flashcard-copy{justify-items:center}.lesson-progress-track{margin-inline:auto}.fact-chip,.flashcard-fun-fact{width:100%}.lesson-arrow,.lesson-arrow-primary,.flashcard-cta{flex:1 1 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18px;background:linear-gradient(180deg,#ffd966,#f6b93f);box-shadow:0 12px 20px #a06e132e,inset 0 1px #ffffff6b}.trail-lesson-status-tab:after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:16px;background:linear-gradient(180deg,#f7c247,#efa628);clip-path:polygon(0 0,100% 0,50% 100%)}.trail-lesson-status-letter{display:grid;place-items:center;flex:0 0 38px;width:38px;height:38px;border-radius:50%;background:linear-gradient(145deg,#87963a,#59691d);color:#fff;font-size:1.3rem;font-weight:900;box-shadow:0 8px 16px #6245c938}.trail-lesson-status-copy{display:grid;gap:1px;min-width:0}.trail-lesson-status-copy strong,.trail-lesson-status-copy span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.trail-lesson-status-copy strong{font-size:.98rem}.trail-lesson-status-copy span,.trail-lesson-status-progress{color:var(--ink-soft);font-size:.84rem;font-weight:900}.trail-lesson-status-difficulty{display:inline-flex;gap:1px;align-items:center;color:#d39419;line-height:1}.trail-lesson-status-star{display:inline-block;color:#d39419;text-shadow:0 1px 0 rgba(255,255,255,.72);transform-origin:center;animation:status-star-pop .42s cubic-bezier(.2,.9,.3,1.35) both;animation-delay:calc(var(--star-index) * 90ms)}@keyframes status-star-pop{0%{opacity:0;transform:scale(.35)}72%{opacity:1;transform:scale(1.18)}to{opacity:1;transform:scale(1)}}.trail-lesson-status-progress{margin-left:auto;white-space:nowrap}.trail-lesson-grid{display:grid;gap:12px;align-items:stretch}.trail-scene-panel{position:relative;display:grid;min-width:0}.trail-lesson-stage 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path{fill:none;stroke:#fff8c1b3;stroke-width:6;stroke-linecap:round;stroke-linejoin:round}.traced-trail-layer{z-index:2}.traced-trail-scene .trail-step{z-index:3}.trail-map-letter-controls{position:absolute;z-index:5;right:clamp(14px,3.2cqw,28px);bottom:clamp(14px,3.2cqw,28px);display:flex;gap:12px;width:auto;padding:8px;border:1px solid rgba(64,87,61,.16);border-radius:24px;background:#ffffffb8;box-shadow:inset 0 1px #ffffffb8,0 14px 24px #2946302e;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.trail-map-letter-button{display:inline-flex;align-items:center;justify-content:center;gap:6px;flex:0 0 auto;min-width:0;min-height:48px;padding:0 10px;border-radius:18px;background:linear-gradient(145deg,#7d8c33,#4f5f18);color:#fff;font-size:clamp(.78rem,1.3cqw,.96rem);font-weight:900;box-shadow:inset 0 -4px #313d0c2e,0 7px 14px #273f2f33;cursor:pointer;touch-action:manipulation;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease}.trail-map-letter-button:hover,.trail-map-letter-button:focus-visible{transform:translateY(-1px);box-shadow:inset 0 -4px #313d0c2e,0 10px 18px #273f2f3d}.trail-map-letter-button:focus-visible{outline:3px solid rgba(101,115,35,.38);outline-offset:3px}.trail-map-letter-button-icon{display:grid;place-items:center;flex:0 0 22px;width:22px;height:22px;border-radius:50%;background:#ffffff2e;font-size:.82em;line-height:1}.trail-map-letter-button-icon svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:3;stroke-linecap:round;stroke-linejoin:round}.traced-trail-scene .trail-node-button,.traced-trail-scene .trail-tile-button{width:clamp(30px,calc(5.2cqw * var(--trail-compact-scale, 1)),42px);min-height:0;height:clamp(30px,calc(5.2cqw * var(--trail-compact-scale, 1)),42px);font-size:clamp(.88rem,calc(2cqw * var(--trail-compact-scale, 1)),1.18rem);box-shadow:inset 0 -3px #202b5c14,0 5px 9px #1d2e4833}.traced-trail-scene 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.lesson-copy{gap:10px}.trail-lesson-flashcard .lesson-heading{gap:8px}.trail-lesson-flashcard .lesson-leading-letter{font-size:clamp(2.8rem,5vw,4.2rem)}.trail-lesson-flashcard .lesson-heading h3{font-size:clamp(1.7rem,3vw,2.8rem);letter-spacing:0}.trail-lesson-flashcard .lesson-story-text{font-size:clamp(.95rem,1.25vw,1.08rem);line-height:1.35}.trail-lesson-flashcard .lesson-art{min-height:clamp(150px,17vw,220px);padding-top:clamp(60px,7vw,78px);border-radius:20px}.trail-lesson-flashcard .lesson-art-title{right:62px;min-height:54px;padding:8px 14px;border-radius:20px 0 18px;font-size:clamp(1.55rem,3vw,2.05rem)}.trail-lesson-flashcard .lesson-art-listen-button{top:10px;right:10px;width:44px;height:44px;min-width:44px;min-height:44px}.trail-lesson-flashcard .lesson-art-frame{min-height:140px}.trail-lesson-flashcard .lesson-art-letter{font-size:clamp(5rem,9vw,8rem)}.trail-lesson-flashcard .lesson-flashcard-fact{padding:10px 12px}.trail-lesson-flashcard .lesson-progress-meta,.trail-lesson-flashcard .lesson-progress-track,.trail-lesson-flashcard .lesson-swipe-hint{display:none}.trail-lesson-flashcard .lesson-control-row{margin-top:10px}.avatar-feedback{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:10px;min-width:0;padding:10px 12px;border:1px solid rgba(255,255,255,.72);border-radius:18px;background:radial-gradient(circle at 14% 18%,rgba(255,255,255,.8) 0 10%,transparent 11%),linear-gradient(145deg,#ffffffdb,#f6faffb8);box-shadow:var(--card-shadow-soft)}.avatar-feedback-success{background:radial-gradient(circle at 14% 18%,rgba(255,255,255,.86) 0 10%,transparent 11%),linear-gradient(145deg,#efffeeeb,#e8fff8c2)}.avatar-feedback-tryAgain{background:radial-gradient(circle at 14% 18%,rgba(255,255,255,.84) 0 10%,transparent 11%),linear-gradient(145deg,#fff7e0eb,#ffeee6bd)}.avatar-feedback-reward{background:radial-gradient(circle at 12% 18%,rgba(255,255,255,.92) 0 10%,transparent 11%),radial-gradient(circle at 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.focused-learning-card{position:relative;display:grid;gap:14px;padding-top:clamp(78px,9vw,96px)}.mystery-guess-progress{color:var(--ink-soft);font-weight:800}.mystery-question-prompt{color:var(--ink);font-size:clamp(1.4rem,3vw,2.2rem);font-weight:1000;text-align:center}.mystery-target-card{position:relative;isolation:isolate;display:grid;place-items:center;min-height:clamp(180px,34vw,300px);border-radius:18px;background:linear-gradient(145deg,#ffffffdb,#f2f7ffb8),var(--surface-tint);background-position:center;background-size:cover;border:1px solid var(--input-border);box-shadow:var(--card-shadow-soft);overflow:hidden}.mystery-target-card-question-image{height:clamp(140px,19vw,190px);min-height:clamp(140px,19vw,190px);background:linear-gradient(145deg,#ffffffeb,#f4f9ffd1),var(--surface-tint)!important}.mystery-target-card img{position:relative;z-index:1;width:min(100%,320px);max-height:clamp(160px,29vw,270px);height:auto;object-fit:contain}.mystery-target-image-hidden{filter:brightness(0) contrast(140%) saturate(0);opacity:.98;transform:scale(.94)}.mystery-target-image-question{width:auto;max-width:min(84%,230px);height:min(82%,160px);max-height:clamp(120px,16vw,160px);filter:drop-shadow(0 18px 20px rgba(17,27,70,.18))}.mystery-target-image-revealed{animation:mystery-reveal-zoom .52s cubic-bezier(.2,.86,.22,1.12) both;filter:none}.mystery-question-mark{position:absolute;z-index:2;top:50%;left:50%;display:grid;place-items:center;width:clamp(72px,12vw,112px);aspect-ratio:1;border:2px solid rgba(255,255,255,.74);border-radius:50%;background:#111b463d;color:#fff;font-size:clamp(3.5rem,8vw,6rem);font-weight:1000;line-height:.92;text-shadow:0 5px 16px rgba(17,27,70,.44);transform:translate(-50%,-50%);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);box-shadow:inset 0 1px #ffffff57,0 16px 34px 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span{color:var(--button-text);font-size:clamp(1.05rem,2vw,1.45rem);font-weight:1000;line-height:1.12;text-align:center}.mystery-choice-grid-text .mystery-choice-button span{color:#111b46;text-shadow:0 1px 0 rgba(255,255,255,.54)}.mystery-choice-button-correct{box-shadow:inset 0 0 0 3px #2f8e40}.mystery-choice-button-wrong{box-shadow:inset 0 0 0 3px #b23a3a}.mystery-reveal{font-weight:900}.mystery-avatar-feedback{justify-self:stretch}.mystery-stage-actions{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:12px;padding-top:2px}.mystery-action-button{position:relative;isolation:isolate;display:inline-flex;align-items:center;justify-content:center;gap:9px;flex:1 1 148px;min-width:132px;max-width:220px;min-height:52px;padding:0 18px;border:0;border-radius:var(--radius-pill);color:#fff;font-family:var(--font-display);font-size:1rem;font-weight:1000;line-height:1;letter-spacing:0;cursor:pointer;overflow:hidden;box-shadow:inset 0 -5px #21125829,inset 0 1px #ffffff5c,0 14px 24px #404c122e;touch-action:manipulation;transition:transform .18s ease,box-shadow .18s ease,filter .18s ease}.mystery-action-button:before{content:"";position:absolute;inset:4px 10px auto;z-index:-1;height:18px;border-radius:inherit;background:linear-gradient(90deg,#ffffff6b,#ffffff14);pointer-events:none}.mystery-action-button:hover:not(:disabled),.mystery-action-button:focus-visible{transform:translateY(-3px) rotate(-1deg);box-shadow:inset 0 -5px #21125829,inset 0 1px #ffffff6b,0 18px 30px #404c123d;filter:saturate(1.06)}.mystery-action-button:active:not(:disabled){transform:translateY(1px);box-shadow:inset 0 -3px #21125829,inset 0 1px #ffffff5c,0 9px 16px #404c122b}.mystery-action-button:focus-visible{outline:3px solid var(--focus);outline-offset:3px}.mystery-action-button:disabled{color:#4c5275d1;cursor:default;filter:saturate(.58);opacity:.7;box-shadow:inset 0 -4px #4b547814,inset 0 1px #ffffff6b,0 8px 15px 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22%,rgba(255,255,255,.86) 0 13%,transparent 14%),linear-gradient(145deg,#ffe56feb,#37c8a7db);box-shadow:inset 0 1px #ffffff42,inset 0 -3px #153d2d29,0 10px 18px #0a0d1824;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.trail-options-gear{width:25px;height:25px}.trail-options-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:59;display:block;width:100%;height:100%;padding:0;background:#0d14175c;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.trail-options-board{position:fixed;top:50%;right:auto;left:50%;z-index:61;width:min(90vw,360px);max-height:calc(100svh - 24px);padding:16px;border-radius:24px;transform:translate(-50%,-50%)}.trail-options-board h2{font-size:1.45rem}.trail-options-action{min-height:46px;font-size:.92rem}.trail-pack-controls-inline .pack-chip-more{display:inline-flex!important}.trail-topbar{min-height:clamp(108px,31vw,132px)}.trail-hero-stack{grid-template-columns:minmax(0,1fr) 40px;grid-template-rows:78px;padding:8px 10px 4px}.trail-toolbar-row,.trail-welcome-avatar,.trail-pack-controls-inline{display:none}.trail-mobile-nav-zone{display:grid;gap:4px;width:calc(100% + 16px);margin:-2px -8px 6px;padding:0}.trail-nav-row-label{margin-left:8px}.trail-mobile-mode-nav,.pack-picker-bar-mobile-nav{width:100%;min-width:0}.trail-mobile-nav-scroll,.pack-picker-bar-mobile-nav .pack-row{display:flex;flex-wrap:nowrap;align-items:stretch;justify-content:flex-start;gap:8px;width:100%;overflow-x:auto;padding:4px 8px 9px;scroll-snap-type:x proximity;scrollbar-width:none;-webkit-overflow-scrolling:touch}.trail-mobile-nav-scroll::-webkit-scrollbar,.pack-picker-bar-mobile-nav .pack-row::-webkit-scrollbar{display:none}.trail-mobile-mode-card{position:relative;display:grid;grid-template-columns:40px minmax(0,1fr);grid-template-rows:minmax(0,1fr) auto;align-items:center;gap:6px;flex:0 0 clamp(112px,33vw,132px);min-height:68px;padding:6px;overflow:hidden;color:#fff;border:2px solid rgba(255,255,255,.4);border-radius:17px;background:radial-gradient(circle at 16% 10%,rgba(255,255,255,.18) 0 12%,transparent 13%),linear-gradient(145deg,#232d52f5,#0e1730f5);box-shadow:inset 0 1px #ffffff38,inset 0 -5px #04081252,0 7px #060a1875,0 18px 26px #060a1842;scroll-snap-align:start;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.trail-mobile-mode-card[aria-pressed=true]{border-color:#ffe77af5;transform:translateY(-2px);box-shadow:0 0 0 4px #ffe77a2e,inset 0 1px #ffffff52,inset 0 -5px #58311057,0 9px #59301680,0 20px 30px #060a184d}.trail-mobile-mode-card:hover:not(:disabled){transform:translateY(-2px)}.trail-mobile-mode-art{position:relative;display:block;grid-row:1 / 3;width:40px;height:50px;overflow:hidden;border:2px solid rgba(255,255,255,.38);border-radius:13px;background-color:#ffffff1f;background-repeat:no-repeat;background-size:300% 100%;box-shadow:inset 0 1px #fff3,0 10px 16px #00000038}.trail-mobile-mode-art:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(180deg,rgba(255,255,255,.16),transparent 42%),linear-gradient(0deg,rgba(6,10,24,.18),transparent 52%);pointer-events:none}.trail-mobile-mode-art-trail{background-position:0 50%}.trail-mobile-mode-art-mysteryGuess{background-position:50% 50%}.trail-mobile-mode-art-azRescue{background-position:100% 50%}.trail-mobile-mode-text{display:grid;gap:2px;min-width:0;align-self:end;text-align:left;text-shadow:0 2px 8px rgba(0,0,0,.45)}.trail-mobile-mode-kicker{color:#ffe77af2;font-size:.56rem;font-weight:1000;letter-spacing:.1em;line-height:1;text-transform:uppercase}.trail-mobile-mode-title{color:#fff;font-size:.72rem;font-weight:1000;line-height:1.02;text-wrap:balance}.trail-mobile-mode-glyph{position:absolute;top:5px;right:5px;display:grid;place-items:center;width:20px;height:20px;border:2px solid rgba(255,255,255,.54);border-radius:50%;background:radial-gradient(circle at 32% 22%,rgba(255,255,255,.9) 0 16%,transparent 17%),linear-gradient(145deg,#ffe77a,#ff8d54);color:#23142b;font-size:.68rem;font-weight:1000;box-shadow:inset 0 -2px #5b301529,0 8px 13px #00000038}.pack-picker-bar-mobile-nav .pack-row{padding-top:3px}.pack-picker-bar-mobile-nav .pack-chip{position:relative;display:grid;grid-template-rows:44px auto;align-items:stretch;gap:5px;flex:0 0 clamp(96px,29vw,116px);width:clamp(96px,29vw,116px);min-height:88px;padding:6px;overflow:hidden;color:#fff;border:2px solid rgba(255,255,255,.38);border-radius:17px;background:radial-gradient(circle at 18% 12%,rgba(255,255,255,.18) 0 13%,transparent 14%),linear-gradient(145deg,#2b3962f5,#0f1831f5);box-shadow:inset 0 1px #fff3,inset 0 -5px #04081252,0 7px #060a1870,0 18px 26px #060a183d;scroll-snap-align:start;text-shadow:0 2px 8px rgba(0,0,0,.48)}.pack-picker-bar-mobile-nav .pack-chip:hover:not(:disabled){transform:translateY(-2px)}.pack-picker-bar-mobile-nav .pack-chip-active{border-color:#70f4c6f0;transform:translateY(-2px);box-shadow:0 0 0 4px #70f4c62e,inset 0 1px #ffffff47,inset 0 -5px #06393357,0 9px #07322d85,0 20px 30px #060a1847}.pack-picker-bar-mobile-nav .pack-chip:disabled{display:grid;opacity:.72;filter:saturate(.7)}.pack-picker-bar-mobile-nav .pack-chip:disabled:after{content:"Soon";position:absolute;top:6px;left:6px;z-index:3;padding:3px 7px;border:1px solid rgba(255,255,255,.52);border-radius:999px;background:#070c1ca8;color:#fff;font-size:.56rem;font-weight:1000;line-height:1;text-shadow:none}.pack-picker-bar-mobile-nav .pack-chip-art{position:relative;display:block;width:100%;min-width:0;height:44px;overflow:hidden;border:2px solid rgba(255,255,255,.3);border-radius:13px;background:radial-gradient(circle at 30% 22%,rgba(255,255,255,.3) 0 14%,transparent 15%),linear-gradient(145deg,#ffe77a52,#4fdccc33);box-shadow:inset 0 1px #ffffff2e,0 9px 14px #00000038}.pack-picker-bar-mobile-nav .pack-chip-art:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(180deg,rgba(255,255,255,.16),transparent 44%),linear-gradient(0deg,rgba(5,10,22,.28),transparent 58%);pointer-events:none}.pack-picker-bar-mobile-nav .pack-chip-art-backdrop,.pack-picker-bar-mobile-nav .pack-chip-art-item{position:absolute;display:block;max-width:none;pointer-events:none}.pack-picker-bar-mobile-nav .pack-chip-art-backdrop{top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover;opacity:.74;filter:saturate(1.08) contrast(1.04)}.pack-picker-bar-mobile-nav .pack-chip-art-item{right:2px;bottom:0;z-index:1;width:40px;height:40px;object-fit:contain;filter:drop-shadow(0 8px 9px rgba(0,0,0,.34))}.pack-picker-bar-mobile-nav .pack-chip-art-fallback{position:absolute;top:0;right:0;bottom:0;left:0;z-index:1;display:grid;place-items:center;color:#ffffffeb;font-size:1.5rem;font-weight:1000;text-shadow:0 5px 12px rgba(0,0,0,.3)}.pack-picker-bar-mobile-nav .pack-chip-emblem{position:absolute;top:7px;right:7px;z-index:2;flex:none;width:22px;height:22px;border-width:2px;font-size:.7rem}.pack-picker-bar-mobile-nav .pack-chip-copy{position:relative;z-index:1;gap:2px;min-width:0}.pack-picker-bar-mobile-nav .pack-chip-title{overflow:hidden;color:#fff;font-size:.72rem;line-height:1.02;text-overflow:ellipsis;white-space:nowrap}.pack-picker-bar-mobile-nav .pack-chip-subtitle{color:#ebf4ffd1;font-size:.58rem;line-height:1.05}}:root[data-theme=dark] .pack-chip-gold,:root[data-theme=dark] .pack-chip-mint,:root[data-theme=dark] .pack-chip-lavender,:root[data-theme=dark] .pack-chip-peach,:root[data-theme=dark] .pack-chip-more{background:linear-gradient(180deg,#ffffff14,#090c141a),url(/assets/button-bg-CcC0p6GC.png) center / 100% 100% no-repeat;color:#fff;text-shadow:0 2px 6px rgba(0,0,0,.52)}:root[data-theme=dark] .lesson-mobile-letter-tile{background:linear-gradient(145deg,#513a17f0,#7a551ef0);color:#fff6dc}:root[data-theme=dark] .lesson-mobile-letter-word,:root[data-theme=dark] .trail-lesson-status-copy strong{color:var(--ink)}:root[data-theme=dark] .traced-trail-scene{box-shadow:inset 0 0 0 1px #ffffff29,0 18px 32px #00000047}