@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/_next/static/media/KaTeX_AMS-Regular.BQhdFMY1.woff2)format("woff2"),url(/_next/static/media/KaTeX_AMS-Regular.DMm9YOAa.woff)format("woff"),url(/_next/static/media/KaTeX_AMS-Regular.DRggAlZN.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/_next/static/media/KaTeX_Caligraphic-Bold.Dq_IR9rO.woff2)format("woff2"),url(/_next/static/media/KaTeX_Caligraphic-Bold.BEiXGLvX.woff)format("woff"),url(/_next/static/media/KaTeX_Caligraphic-Bold.ATXxdsX0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/_next/static/media/KaTeX_Caligraphic-Regular.Di6jR-x-.woff2)format("woff2"),url(/_next/static/media/KaTeX_Caligraphic-Regular.CTRA-rTL.woff)format("woff"),url(/_next/static/media/KaTeX_Caligraphic-Regular.wX97UBjC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/_next/static/media/KaTeX_Fraktur-Bold.CL6g_b3V.woff2)format("woff2"),url(/_next/static/media/KaTeX_Fraktur-Bold.BsDP51OF.woff)format("woff"),url(/_next/static/media/KaTeX_Fraktur-Bold.BdnERNNW.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/_next/static/media/KaTeX_Fraktur-Regular.CTYiF6lA.woff2)format("woff2"),url(/_next/static/media/KaTeX_Fraktur-Regular.Dxdc4cR9.woff)format("woff"),url(/_next/static/media/KaTeX_Fraktur-Regular.CB_wures.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/_next/static/media/KaTeX_Main-Bold.Cx986IdX.woff2)format("woff2"),url(/_next/static/media/KaTeX_Main-Bold.Jm3AIy58.woff)format("woff"),url(/_next/static/media/KaTeX_Main-Bold.waoOVXN0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/_next/static/media/KaTeX_Main-BoldItalic.DxDJ3AOS.woff2)format("woff2"),url(/_next/static/media/KaTeX_Main-BoldItalic.SpSLRI95.woff)format("woff"),url(/_next/static/media/KaTeX_Main-BoldItalic.DzxPMmG6.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/_next/static/media/KaTeX_Main-Italic.NWA7e6Wa.woff2)format("woff2"),url(/_next/static/media/KaTeX_Main-Italic.BMLOBm91.woff)format("woff"),url(/_next/static/media/KaTeX_Main-Italic.3WenGoN9.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/_next/static/media/KaTeX_Main-Regular.B22Nviop.woff2)format("woff2"),url(/_next/static/media/KaTeX_Main-Regular.Dr94JaBh.woff)format("woff"),url(/_next/static/media/KaTeX_Main-Regular.ypZvNtVU.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/_next/static/media/KaTeX_Math-BoldItalic.CZnvNsCZ.woff2)format("woff2"),url(/_next/static/media/KaTeX_Math-BoldItalic.iY-2wyZ7.woff)format("woff"),url(/_next/static/media/KaTeX_Math-BoldItalic.B3XSjfu4.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/_next/static/media/KaTeX_Math-Italic.t53AETM-.woff2)format("woff2"),url(/_next/static/media/KaTeX_Math-Italic.DA0__PXp.woff)format("woff"),url(/_next/static/media/KaTeX_Math-Italic.flOr_0UB.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/_next/static/media/KaTeX_SansSerif-Bold.D1sUS0GD.woff2)format("woff2"),url(/_next/static/media/KaTeX_SansSerif-Bold.DbIhKOiC.woff)format("woff"),url(/_next/static/media/KaTeX_SansSerif-Bold.CFMepnvq.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/_next/static/media/KaTeX_SansSerif-Italic.C3H0VqGB.woff2)format("woff2"),url(/_next/static/media/KaTeX_SansSerif-Italic.DN2j7dab.woff)format("woff"),url(/_next/static/media/KaTeX_SansSerif-Italic.YYjJ1zSn.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/_next/static/media/KaTeX_SansSerif-Regular.DDBCnlJ7.woff2)format("woff2"),url(/_next/static/media/KaTeX_SansSerif-Regular.CS6fqUqJ.woff)format("woff"),url(/_next/static/media/KaTeX_SansSerif-Regular.BNo7hRIc.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/_next/static/media/KaTeX_Script-Regular.D3wIWfF6.woff2)format("woff2"),url(/_next/static/media/KaTeX_Script-Regular.D5yQViql.woff)format("woff"),url(/_next/static/media/KaTeX_Script-Regular.C5JkGWo-.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/_next/static/media/KaTeX_Size1-Regular.mCD8mA8B.woff2)format("woff2"),url(/_next/static/media/KaTeX_Size1-Regular.C195tn64.woff)format("woff"),url(/_next/static/media/KaTeX_Size1-Regular.Dbsnue_I.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/_next/static/media/KaTeX_Size2-Regular.Dy4dx90m.woff2)format("woff2"),url(/_next/static/media/KaTeX_Size2-Regular.oD1tc_U0.woff)format("woff"),url(/_next/static/media/KaTeX_Size2-Regular.B7gKUWhC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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)format("woff2"),url(/_next/static/media/KaTeX_Size3-Regular.CTq5MqoE.woff)format("woff"),url(/_next/static/media/KaTeX_Size3-Regular.DgpXs0kz.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/_next/static/media/KaTeX_Size4-Regular.Dl5lxZxV.woff2)format("woff2"),url(/_next/static/media/KaTeX_Size4-Regular.BF-4gkZK.woff)format("woff"),url(/_next/static/media/KaTeX_Size4-Regular.DWFBv043.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/_next/static/media/KaTeX_Typewriter-Regular.CO6r4hn1.woff2)format("woff2"),url(/_next/static/media/KaTeX_Typewriter-Regular.C0xS9mPB.woff)format("woff"),url(/_next/static/media/KaTeX_Typewriter-Regular.D3Ib7_Hf.ttf)format("truetype")}.katex{text-indent:0;text-rendering:auto;font:1.21em/1.2 KaTeX_Main,Times New Roman,serif;position:relative}.katex *{border-color:currentColor;-ms-high-contrast-adjust:none!important}.katex .katex-version:after{content:"0.18.4"}.katex .katex-mathml{clip-path:inset(50%);border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.katex .katex-html>.katex-newline{display:block}.katex .katex-base{white-space:nowrap;width:min-content;position:relative}.katex .katex-base,.katex .katex-strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;table-layout:fixed;display:inline-table}.katex .vlist-r{display:table-row}.katex .vlist{vertical-align:bottom;display:table-cell;position:relative}.katex .vlist>span{height:0;display:block;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{width:0;overflow:hidden}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{vertical-align:bottom;width:2px;min-width:2px;font-size:1px;display:table-cell}.katex .katex-vbox{flex-direction:column;align-items:baseline;display:inline-flex}.katex .katex-thinbox{flex-direction:row;width:0;max-width:0;display:inline-flex}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .katex-hdashline,.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-rule,.katex .katex-underline .underline-line,.katex .mfrac .frac-line{min-height:1px}.katex .mspace{display:inline-block}.katex .katex-smash{line-height:0;display:inline}.katex .clap,.katex .llap,.katex .rlap{width:0;position:relative}.katex .clap>.katex-inner,.katex .llap>.katex-inner,.katex .rlap>.katex-inner{position:absolute}.katex .clap>.katex-fix,.katex .llap>.katex-fix,.katex .rlap>.katex-fix{display:inline-block}.katex .llap>.katex-inner{right:0}.katex .clap>.katex-inner,.katex .rlap>.katex-inner{left:0}.katex .clap>.katex-inner>span{margin-left:-50%;margin-right:50%}.katex .katex-rule{border:0 solid;display:inline-block;position:relative}.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-underline .underline-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .katex-hdashline{border-bottom-style:dashed;width:100%;display:inline-block}.katex .sqrt>.katex-root{margin-left:.277778em;margin-right:-.555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .katex-sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .katex-sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .katex-sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .katex-sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .katex-sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .katex-sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .katex-sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .katex-sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .katex-sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .katex-sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .katex-sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .katex-sizing.reset-size2.size1{font-size:.833333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .katex-sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .katex-sizing.reset-size2.size3{font-size:1.16667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .katex-sizing.reset-size2.size4{font-size:1.33333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .katex-sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .katex-sizing.reset-size2.size6{font-size:1.66667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .katex-sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .katex-sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .katex-sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .katex-sizing.reset-size2.size10{font-size:3.45667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .katex-sizing.reset-size2.size11{font-size:4.14667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .katex-sizing.reset-size3.size1{font-size:.714286em}.katex .fontsize-ensurer.reset-size3.size2,.katex .katex-sizing.reset-size3.size2{font-size:.857143em}.katex .fontsize-ensurer.reset-size3.size3,.katex .katex-sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .katex-sizing.reset-size3.size4{font-size:1.14286em}.katex .fontsize-ensurer.reset-size3.size5,.katex .katex-sizing.reset-size3.size5{font-size:1.28571em}.katex .fontsize-ensurer.reset-size3.size6,.katex .katex-sizing.reset-size3.size6{font-size:1.42857em}.katex .fontsize-ensurer.reset-size3.size7,.katex .katex-sizing.reset-size3.size7{font-size:1.71429em}.katex .fontsize-ensurer.reset-size3.size8,.katex .katex-sizing.reset-size3.size8{font-size:2.05714em}.katex .fontsize-ensurer.reset-size3.size9,.katex .katex-sizing.reset-size3.size9{font-size:2.46857em}.katex .fontsize-ensurer.reset-size3.size10,.katex .katex-sizing.reset-size3.size10{font-size:2.96286em}.katex .fontsize-ensurer.reset-size3.size11,.katex .katex-sizing.reset-size3.size11{font-size:3.55429em}.katex .fontsize-ensurer.reset-size4.size1,.katex .katex-sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .katex-sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .katex-sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .katex-sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .katex-sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .katex-sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .katex-sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .katex-sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .katex-sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .katex-sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .katex-sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .katex-sizing.reset-size5.size1{font-size:.555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .katex-sizing.reset-size5.size2{font-size:.666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .katex-sizing.reset-size5.size3{font-size:.777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .katex-sizing.reset-size5.size4{font-size:.888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .katex-sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .katex-sizing.reset-size5.size6{font-size:1.11111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .katex-sizing.reset-size5.size7{font-size:1.33333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .katex-sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .katex-sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .katex-sizing.reset-size5.size10{font-size:2.30444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .katex-sizing.reset-size5.size11{font-size:2.76444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .katex-sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .katex-sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .katex-sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .katex-sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .katex-sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .katex-sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .katex-sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .katex-sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .katex-sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .katex-sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .katex-sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .katex-sizing.reset-size7.size1{font-size:.416667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .katex-sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .katex-sizing.reset-size7.size3{font-size:.583333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .katex-sizing.reset-size7.size4{font-size:.666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .katex-sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .katex-sizing.reset-size7.size6{font-size:.833333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .katex-sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .katex-sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .katex-sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .katex-sizing.reset-size7.size10{font-size:1.72833em}.katex .fontsize-ensurer.reset-size7.size11,.katex .katex-sizing.reset-size7.size11{font-size:2.07333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .katex-sizing.reset-size8.size1{font-size:.347222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .katex-sizing.reset-size8.size2{font-size:.416667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .katex-sizing.reset-size8.size3{font-size:.486111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .katex-sizing.reset-size8.size4{font-size:.555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .katex-sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .katex-sizing.reset-size8.size6{font-size:.694444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .katex-sizing.reset-size8.size7{font-size:.833333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .katex-sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .katex-sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .katex-sizing.reset-size8.size10{font-size:1.44028em}.katex .fontsize-ensurer.reset-size8.size11,.katex .katex-sizing.reset-size8.size11{font-size:1.72778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .katex-sizing.reset-size9.size1{font-size:.289352em}.katex .fontsize-ensurer.reset-size9.size2,.katex .katex-sizing.reset-size9.size2{font-size:.347222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .katex-sizing.reset-size9.size3{font-size:.405093em}.katex .fontsize-ensurer.reset-size9.size4,.katex .katex-sizing.reset-size9.size4{font-size:.462963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .katex-sizing.reset-size9.size5{font-size:.520833em}.katex .fontsize-ensurer.reset-size9.size6,.katex .katex-sizing.reset-size9.size6{font-size:.578704em}.katex .fontsize-ensurer.reset-size9.size7,.katex .katex-sizing.reset-size9.size7{font-size:.694444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .katex-sizing.reset-size9.size8{font-size:.833333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .katex-sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .katex-sizing.reset-size9.size10{font-size:1.20023em}.katex .fontsize-ensurer.reset-size9.size11,.katex .katex-sizing.reset-size9.size11{font-size:1.43981em}.katex .fontsize-ensurer.reset-size10.size1,.katex .katex-sizing.reset-size10.size1{font-size:.24108em}.katex .fontsize-ensurer.reset-size10.size2,.katex .katex-sizing.reset-size10.size2{font-size:.289296em}.katex .fontsize-ensurer.reset-size10.size3,.katex .katex-sizing.reset-size10.size3{font-size:.337512em}.katex .fontsize-ensurer.reset-size10.size4,.katex .katex-sizing.reset-size10.size4{font-size:.385728em}.katex .fontsize-ensurer.reset-size10.size5,.katex .katex-sizing.reset-size10.size5{font-size:.433944em}.katex .fontsize-ensurer.reset-size10.size6,.katex .katex-sizing.reset-size10.size6{font-size:.48216em}.katex .fontsize-ensurer.reset-size10.size7,.katex .katex-sizing.reset-size10.size7{font-size:.578592em}.katex .fontsize-ensurer.reset-size10.size8,.katex .katex-sizing.reset-size10.size8{font-size:.694311em}.katex .fontsize-ensurer.reset-size10.size9,.katex .katex-sizing.reset-size10.size9{font-size:.833173em}.katex .fontsize-ensurer.reset-size10.size10,.katex .katex-sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .katex-sizing.reset-size10.size11{font-size:1.19961em}.katex .fontsize-ensurer.reset-size11.size1,.katex .katex-sizing.reset-size11.size1{font-size:.200965em}.katex .fontsize-ensurer.reset-size11.size2,.katex .katex-sizing.reset-size11.size2{font-size:.241158em}.katex .fontsize-ensurer.reset-size11.size3,.katex .katex-sizing.reset-size11.size3{font-size:.281351em}.katex .fontsize-ensurer.reset-size11.size4,.katex .katex-sizing.reset-size11.size4{font-size:.321543em}.katex .fontsize-ensurer.reset-size11.size5,.katex .katex-sizing.reset-size11.size5{font-size:.361736em}.katex .fontsize-ensurer.reset-size11.size6,.katex .katex-sizing.reset-size11.size6{font-size:.401929em}.katex .fontsize-ensurer.reset-size11.size7,.katex .katex-sizing.reset-size11.size7{font-size:.482315em}.katex .fontsize-ensurer.reset-size11.size8,.katex .katex-sizing.reset-size11.size8{font-size:.578778em}.katex .fontsize-ensurer.reset-size11.size9,.katex .katex-sizing.reset-size11.size9{font-size:.694534em}.katex .fontsize-ensurer.reset-size11.size10,.katex .katex-sizing.reset-size11.size10{font-size:.833601em}.katex .fontsize-ensurer.reset-size11.size11,.katex .katex-sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{width:.12em;display:inline-block}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .katex-accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .katex-accent .accent-body{position:relative}.katex .katex-accent .accent-body:not(.accent-full){width:0}.katex .katex-overlay{display:block}.katex .mtable .vertical-separator{min-width:1px;display:inline-block}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;height:inherit;width:100%;display:block;position:absolute}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;min-width:0;max-width:none;min-height:0;max-height:none}.katex .katex-stretchy{width:100%;display:block;position:relative;overflow:hidden}.katex .katex-stretchy:after,.katex .katex-stretchy:before{content:""}.katex .hide-tail{width:100%;position:relative;overflow:hidden}.katex .halfarrow-left{width:50.2%;position:absolute;left:0;overflow:hidden}.katex .halfarrow-right{width:50.2%;position:absolute;right:0;overflow:hidden}.katex .brace-left{width:25.1%;position:absolute;left:0;overflow:hidden}.katex .brace-center{width:50%;position:absolute;left:25%;overflow:hidden}.katex .brace-right{width:25.1%;position:absolute;right:0;overflow:hidden}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{box-sizing:border-box;border:.04em solid}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .katex-sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{box-sizing:border-box;border-top:.049em solid;border-right:.049em solid;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{text-align:left;display:inline-block;position:absolute;right:calc(50% + .3em)}.katex .cd-label-right{text-align:right;display:inline-block;position:absolute;left:calc(50% + .3em)}.katex-display{text-align:center;margin:1em 0;display:block}.katex-display>.katex{text-align:center;white-space:nowrap;display:block}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.katex-tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.katex-tag{left:0;right:auto}.katex-display.fleqn>.katex{text-align:left;padding-left:2em}body{counter-reset:katexEqnNo mmlEqnNo}@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-border-style:solid;--tw-shadow:0 0 #0000;--tw-shadow-color:initial;--tw-shadow-alpha:100%;--tw-inset-shadow:0 0 #0000;--tw-inset-shadow-color:initial;--tw-inset-shadow-alpha:100%;--tw-ring-color:initial;--tw-ring-shadow:0 0 #0000;--tw-inset-ring-color:initial;--tw-inset-ring-shadow:0 0 #0000;--tw-ring-inset:initial;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000;--tw-outline-style:solid;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-border-style:solid;--tw-shadow:0 0 #0000;--tw-shadow-color:initial;--tw-shadow-alpha:100%;--tw-inset-shadow:0 0 #0000;--tw-inset-shadow-color:initial;--tw-inset-shadow-alpha:100%;--tw-ring-color:initial;--tw-ring-shadow:0 0 #0000;--tw-inset-ring-color:initial;--tw-inset-ring-shadow:0 0 #0000;--tw-ring-inset:initial;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000;--tw-outline-style:solid;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before{box-sizing:border-box;border:0 solid;margin:0;padding:0}::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){-webkit-appearance:button;appearance:button}::file-selector-button{-webkit-appearance:button;appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.invisible{visibility:hidden}.visible{visibility:visible}.absolute{position:absolute}.fixed{position:fixed}.relative{position:relative}.static{position:static}.start{inset-inline-start:var(--spacing)}.end{inset-inline-end:var(--spacing)}.isolate{isolation:isolate}.block{display:block}.contents{display:contents}.flex{display:flex}.hidden{display:none}.inline{display:inline}.table{display:table}.grow{flex-grow:1}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.truncate{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.border{border-style:var(--tw-border-style);border-width:1px}.antialiased{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.shadow{--tw-shadow:0 1px 3px 0 var(--tw-shadow-color,#0000001a), 0 1px 2px -1px var(--tw-shadow-color,#0000001a);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.outline{outline-style:var(--tw-outline-style);outline-width:1px}.blur{--tw-blur:blur(8px);filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}}:root{--navy:#17324f;--muted:#667b91;--line:#dbe5ed;--mist:#f2f6f8;--blue:#2f80ed;--blue-soft:#e7f0fe;--teal:#16a28c;--coral:#f2675e;--violet:#7062e8;--gold:#f5b940}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--navy);font-family:var(--font-manrope), Arial, sans-serif;background:#f7fafb;margin:0}button,a{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}.site-shell{min-height:100vh;overflow:hidden}.topbar{justify-content:space-between;align-items:center;width:min(1180px,100% - 48px);height:84px;margin:0 auto;display:flex}.brand{letter-spacing:-.03em;align-items:center;gap:11px;font-size:21px;font-weight:800;display:inline-flex}.brand-mark{color:#fff;background:var(--navy);border-radius:11px;place-items:center;width:35px;height:35px;font-size:16px;display:grid}.topnav{color:#50677f;align-items:center;gap:34px;font-size:14px;font-weight:600;display:flex}.topnav a:hover{color:var(--navy)}.sign-in-button{color:var(--navy);background:#fff;border:1px solid #cbd8e2;border-radius:12px;padding:11px 17px;font-weight:700;box-shadow:0 2px 8px #1c374e0d}.hero{grid-template-columns:1fr .9fr;align-items:center;gap:80px;width:min(1180px,100% - 48px);min-height:650px;margin:34px auto 76px;display:grid}.hero-copy{padding-bottom:8px}.eyebrow,.mini-label,.stop-kicker{color:var(--blue);letter-spacing:.13em;text-transform:uppercase;font-size:11px;font-weight:800;line-height:1}.eyebrow{background:var(--blue-soft);border-radius:999px;align-items:center;gap:8px;padding:10px 13px;display:inline-flex}.eyebrow:before{content:"";background:var(--blue);border-radius:50%;width:7px;height:7px}.hero h1{letter-spacing:-.055em;margin:25px 0 19px;font-size:clamp(52px,5vw,78px);line-height:.98}.hero-copy>p{max-width:590px;color:var(--muted);margin:0;font-size:18px;line-height:1.65}.hero-actions{align-items:center;gap:25px;margin-top:32px;display:flex}.primary-button{background:var(--navy);color:#fff;border:0;border-radius:14px;padding:15px 22px;font-weight:750;box-shadow:0 10px 25px #17324f2e}.primary-button span{margin-left:12px;transition:transform .2s;display:inline-block}.primary-button:hover span{transform:translate(3px)}.text-link{color:var(--navy);border-bottom:1px solid #9fb0be;padding-bottom:3px;font-size:14px;font-weight:750}.hero-proof{align-items:center;gap:0;margin-top:44px;display:flex}.hero-proof div{border-right:1px solid var(--line);gap:3px;padding:0 27px;display:grid}.hero-proof div:first-child{padding-left:0}.hero-proof div:last-child{border:0}.hero-proof strong{letter-spacing:-.04em;font-size:22px}.hero-proof span{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-size:11px;font-weight:650}.trail-card{background:#fff;border:1px solid #dce6ed;border-radius:26px;padding:27px;position:relative;transform:rotate(1deg);box-shadow:0 26px 70px #1e39501f}.trail-card:before{content:"";z-index:-1;background:#e4ecf1;border-radius:28px;position:absolute;inset:20px -28px -24px 24px;transform:rotate(-3deg)}.trail-card-header{justify-content:space-between;align-items:center;display:flex}.trail-card h2{letter-spacing:-.035em;margin:8px 0 0;font-size:25px}.progress-pill{color:var(--teal);background:#e6f6f2;border-radius:999px;padding:8px 11px;font-size:12px;font-weight:800}.trail-progress{background:#eaf0f4;border-radius:999px;height:6px;margin:20px 0 27px;overflow:hidden}.trail-progress span{background:var(--teal);border-radius:inherit;width:25%;height:100%;display:block}.trail-list{margin:0;padding:0;list-style:none}.trail-stop{align-items:center;gap:16px;min-height:73px;display:flex;position:relative}.trail-node{z-index:2;color:#fff;border-radius:14px;flex:0 0 42px;place-items:center;width:42px;height:42px;font-size:12px;font-weight:850;display:grid;position:relative;box-shadow:0 5px 13px #19374d21}.trail-node.blue{background:var(--blue)}.trail-node.coral{background:var(--coral)}.trail-node.violet{background:var(--violet)}.trail-node.gold{background:var(--gold)}.trail-stop.locked{opacity:.48}.trail-line{z-index:1;background:#dce5ec;width:2px;height:27px;position:absolute;top:47px;left:20px}.trail-stop div{flex:1;gap:4px;display:grid}.trail-stop strong{font-size:14px}.stop-kicker{color:#8b9aaa;font-size:9px}.continue-chip{color:#d94f47;background:#fff4f2;border:1px solid #f7c2bd;border-radius:999px;padding:7px 10px;font-size:10px;font-weight:800}.lock{color:#6b7f91;background:#e7edf2;border-radius:50%;place-items:center;width:22px;height:22px;font-size:0;display:grid}.lock:after{content:"";border:2px solid;border-radius:2px;width:5px;height:7px}.boss-preview{background:#fff8e6;border:1px solid #f5e3b5;border-radius:16px;align-items:center;gap:12px;margin-top:11px;padding:14px;display:flex}.boss-icon{background:var(--gold);color:#fff;border-radius:11px;place-items:center;width:36px;height:36px;display:grid}.boss-preview div{gap:3px;display:grid}.boss-preview div span{color:#9b7622;letter-spacing:.12em;font-size:9px;font-weight:850}.boss-preview strong{font-size:12px}.promise-row{border-top:1px solid var(--line);grid-template-columns:repeat(3,1fr);width:min(1180px,100% - 48px);margin:0 auto 90px;display:grid}.promise-row article{border-right:1px solid var(--line);padding:35px 38px 0 0;position:relative}.promise-row article+article{padding-left:38px}.promise-row article:last-child{border:0}.promise-number{color:var(--blue);letter-spacing:.1em;font-size:11px;font-weight:850}.promise-row h3{margin:10px 0 8px;font-size:18px}.promise-row p{color:var(--muted);margin:0;font-size:14px;line-height:1.55}@media (max-width:860px){.topnav{display:none}.hero{grid-template-columns:1fr;gap:48px;margin-top:60px}.trail-card{transform:none}.promise-row{grid-template-columns:1fr}.promise-row article,.promise-row article+article{border-right:0;border-bottom:1px solid var(--line);padding:28px 0}}@media (max-width:560px){.topbar,.hero,.promise-row{width:min(100% - 32px,1180px)}.topbar{height:72px}.sign-in-button{padding:9px 12px;font-size:12px}.hero{margin-top:30px}.hero h1{font-size:49px}.hero-copy>p{font-size:16px}.hero-actions{flex-direction:column;align-items:flex-start;gap:18px}.hero-proof{justify-content:space-between}.hero-proof div{padding:0 12px}.hero-proof strong{font-size:19px}.trail-card{border-radius:21px;padding:20px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important}}.section-kicker{color:var(--blue);letter-spacing:.14em;text-transform:uppercase;font-size:10px;font-weight:850}.section-heading{width:min(1180px,100% - 48px);margin:0 auto 42px}.section-heading h2{letter-spacing:-.05em;margin:10px 0 0;font-size:clamp(34px,4vw,54px);line-height:1.05}.section-heading>p,.split-heading>p{color:var(--muted);line-height:1.7}.narrow-heading{text-align:center;max-width:680px}.narrow-heading p{max-width:620px;margin:16px auto 0}.split-heading{grid-template-columns:1fr 420px;align-items:end;gap:80px;display:grid}.split-heading>p{margin:0}.promise-section{background:#fff;padding:96px 0}.promise-section .promise-row{margin-bottom:0}.curriculum-section{background:#eef3f6;padding:110px 0}.region-grid{grid-template-columns:repeat(4,1fr);gap:15px;width:min(1180px,100% - 48px);margin:0 auto;display:grid}.region-card{background:#fff;border:1px solid #dce5ec;border-radius:18px;min-height:230px;padding:23px;position:relative;overflow:hidden}.region-index{color:#98a8b7;letter-spacing:.12em;font-size:10px;font-weight:800}.region-symbol{background:var(--accent-soft,#e7f0fe);width:48px;height:48px;color:var(--accent,var(--blue));border-radius:15px;place-items:center;margin:26px 0 20px;font-size:22px;display:grid}.region-card h3{letter-spacing:-.025em;margin:0 0 7px;font-size:17px}.region-card p{min-height:44px;color:var(--muted);margin:0;font-size:12px;line-height:1.55}.region-meta{color:var(--accent,var(--blue));letter-spacing:.08em;text-transform:uppercase;margin-top:20px;font-size:9px;font-weight:800;display:block}.accent-blue{--accent:var(--blue);--accent-soft:#e6f0fe}.accent-teal{--accent:var(--teal);--accent-soft:#e4f5f1}.accent-coral{--accent:var(--coral);--accent-soft:#fff0ee}.accent-violet{--accent:var(--violet);--accent-soft:#eeebff}.accent-gold{--accent:#d89a1c;--accent-soft:#fff5d9}.future-grades{background:#f9fbfc;border:1px solid #d5e0e7;border-radius:15px;grid-template-columns:repeat(4,1fr);width:min(1180px,100% - 48px);margin:35px auto 0;display:grid;overflow:hidden}.future-grades>*{border-right:1px solid #dce5eb;justify-content:space-between;align-items:center;padding:17px 19px;font-size:12px;display:flex}.future-grades>:last-child{border:0}.future-grades strong{background:var(--navy);color:#fff}.future-grades em{opacity:.65;text-transform:uppercase;letter-spacing:.06em;font-size:9px;font-style:normal}.privacy-section{grid-template-columns:1fr 1fr;align-items:center;gap:110px;width:min(1180px,100% - 48px);margin:0 auto;padding:120px 0;display:grid}.privacy-copy h2{letter-spacing:-.05em;margin:12px 0 16px;font-size:46px}.privacy-copy>p{color:var(--muted);line-height:1.7}.privacy-copy ul{gap:12px;margin:27px 0;padding:0;list-style:none;display:grid}.privacy-copy li{color:#4f657a;font-size:13px}.privacy-copy li:before{content:"✓";width:20px;height:20px;color:var(--teal);background:#e2f5ef;border-radius:50%;place-items:center;margin-right:10px;font-size:11px;font-weight:900;display:inline-grid}.privacy-visual{background:#e7eef3;border-radius:38% 62% 58% 42%/45% 35% 65% 55%;place-items:center;min-height:390px;display:grid;position:relative}.privacy-visual:before,.privacy-visual:after{content:"";border:1px dashed #aebdca;border-radius:50%;position:absolute}.privacy-visual:before{inset:50px}.privacy-visual:after{inset:105px}.privacy-orbit{z-index:2;color:#fff;background:var(--navy);border-radius:31px;place-items:center;width:108px;height:108px;font-size:38px;display:grid;position:relative;box-shadow:0 18px 40px #17324f33}.privacy-visual>div i{z-index:3;background:var(--blue);border:7px solid #fff;border-radius:50%;width:30px;height:30px;position:absolute}.privacy-visual>div i:first-child{top:35px;right:115px}.privacy-visual>div i:nth-child(2){background:var(--coral);bottom:50px;left:90px}.privacy-visual>div i:nth-child(3){background:var(--gold);bottom:105px;right:45px}.join-section{background:var(--navy);color:#fff;border-radius:28px;grid-template-columns:1fr 420px;align-items:center;gap:80px;width:min(1180px,100% - 48px);margin:10px auto 100px;padding:70px;display:grid;overflow:hidden}.join-copy h2{letter-spacing:-.05em;margin:12px 0;font-size:53px}.join-copy p{color:#bdd0df;max-width:560px;line-height:1.7}.join-section .section-kicker{color:#7fb3ff}.join-card{color:var(--navy);background:#fff;border-radius:20px;padding:28px;position:relative;box-shadow:0 20px 50px #0003}.join-star{color:var(--gold);font-size:25px;position:absolute;top:20px;right:22px}.join-card h3{margin:0 0 8px;font-size:22px}.join-card>p{color:var(--muted);margin:0 0 22px;font-size:13px;line-height:1.5}.google-signin{gap:13px;display:grid}.google-signin small{color:#718397;font-size:10px;line-height:1.45}.age-check{color:#4d647a;align-items:flex-start;gap:9px;font-size:12px;line-height:1.4;display:flex}.age-check input{accent-color:var(--blue);margin-top:2px}.google-button-slot{place-items:center;min-height:44px;display:grid}.google-button-slot.disabled{color:#8a9aaa;border:1px dashed #cbd8e2;border-radius:6px;font-size:12px}.signin-status{color:var(--coral);margin:0;font-size:11px}.fallback-signin>span{color:#8797a7;font-size:10px}.site-footer{border-top:1px solid var(--line);grid-template-columns:1fr auto auto;align-items:center;gap:65px;width:min(1180px,100% - 48px);margin:0 auto;padding:35px 0 45px;display:grid}.site-footer>div p{color:var(--muted);margin:8px 0 0 46px;font-size:11px}.site-footer nav{color:var(--muted);gap:24px;font-size:12px;display:flex}.site-footer>span{color:#8999a8;text-transform:uppercase;letter-spacing:.07em;font-size:10px}.avatar{color:#fff;background:var(--blue);border:4px solid #fff;border-radius:35%;flex:none;place-items:center;font-weight:800;display:inline-grid;box-shadow:0 4px 12px #18334c26}.avatar-sm{border-width:3px;width:37px;height:37px;font-size:15px}.avatar-md{width:57px;height:57px;font-size:22px}.avatar-lg{border-width:6px;width:90px;height:90px;font-size:34px}.avatar-blue{background:var(--blue)}.avatar-teal{background:var(--teal)}.avatar-coral{background:var(--coral)}.avatar-violet{background:var(--violet)}.avatar-gold{background:var(--gold)}.frame-halo{box-shadow:0 0 0 6px #fff2bf,0 8px 22px #17324f2e}.frame-summit{box-shadow:0 0 0 3px var(--navy);border-radius:50% 50% 38% 38%}.frame-prism{border-radius:18% 42%;box-shadow:0 0 0 4px #dcd6ff}.learner-shell,.boss-shell{background:#f3f7f9;min-height:100vh}.learner-topbar{z-index:20;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#fffffff2;border-bottom:1px solid #dbe5eb;justify-content:space-between;align-items:center;gap:30px;height:76px;padding:0 max(24px,50% - 620px);display:flex;position:sticky;top:0}.learner-nav{gap:6px;display:flex}.learner-nav a{color:#5f7487;border-radius:10px;padding:10px 14px;font-size:12px;font-weight:700}.learner-nav a:hover{color:var(--navy);background:#eff4f7}.nav-count{color:#fff;background:var(--coral);border-radius:99px;margin-left:4px;padding:2px 5px;font-size:9px}.learner-stats{align-items:center;gap:9px;display:flex}.stat-chip{border-radius:9px;padding:7px 9px;font-size:11px;font-weight:800}.token-chip{color:#8f6919;background:#fff4d6}.streak-chip{color:#d34f46;background:#fff0ee}.profile-link{align-items:center;gap:9px;padding-left:5px;font-size:11px;font-weight:700;display:flex}.icon-button{color:#607487;background:#fff;border:1px solid #d8e2e9;border-radius:10px;width:35px;height:35px}.demo-banner{color:#82631e;background:#fff6dd;border-bottom:1px solid #efdca4;justify-content:center;align-items:center;gap:12px;padding:9px max(24px,50% - 590px);font-size:10px;display:flex}.demo-banner span{text-transform:uppercase;letter-spacing:.08em;font-weight:850}.demo-banner p{margin:0}.demo-banner a{font-weight:800;text-decoration:underline}.dashboard-wrap{width:min(1180px,100% - 48px);margin:0 auto;padding:64px 0 100px}.dashboard-heading{justify-content:space-between;align-items:end;gap:40px;margin-bottom:38px;display:flex}.dashboard-heading h1{letter-spacing:-.05em;margin:10px 0 7px;font-size:48px}.dashboard-heading p{color:var(--muted);margin:0}.dashboard-summary{border:1px solid var(--line);background:#fff;border-radius:15px;display:flex}.dashboard-summary div{text-align:center;border-right:1px solid var(--line);gap:3px;min-width:95px;padding:15px;display:grid}.dashboard-summary div:last-child{border:0}.dashboard-summary strong{font-size:20px}.dashboard-summary strong small{color:#91a1ae;font-size:11px}.dashboard-summary span{color:var(--muted);text-transform:uppercase;letter-spacing:.07em;font-size:8px;font-weight:800}.dashboard-grid{grid-template-columns:1fr 340px;gap:20px;display:grid}.next-card{background:#fff;border:1px solid #d8e3ea;border-radius:22px;grid-template-columns:42% 1fr;align-items:stretch;gap:32px;min-height:335px;padding:25px;display:grid;box-shadow:0 12px 32px #1b364c12}.next-visual{background:var(--accent-soft);min-height:280px;color:var(--accent);border-radius:17px;place-items:center;display:grid;position:relative;overflow:hidden}.next-visual>span{color:#fff;background:var(--accent);border-radius:99px;place-items:center;width:34px;height:28px;font-size:10px;font-weight:850;display:grid;position:absolute;top:15px;left:16px}.concept-mini{width:160px;height:130px;position:relative}.concept-mini:before,.concept-mini:after,.concept-mini i{content:"";border:2px solid var(--accent);background:#fff;border-radius:12px;display:block;position:absolute}.concept-mini:before{background:var(--accent);border:0;width:140px;height:3px;top:50px;left:8px}.concept-mini:after{background:var(--accent);border:0;width:3px;height:110px;top:8px;left:79px}.concept-mini i:first-child{background:var(--accent);width:25px;height:25px;top:26px;left:35px}.concept-mini i:nth-child(2){width:19px;height:19px;bottom:20px;right:31px}.concept-mini i:nth-child(3){background:var(--accent);border:0;width:45px;height:2px;top:74px;left:55px;transform:rotate(-25deg)}.next-copy{align-self:center}.next-copy h2{letter-spacing:-.04em;margin:10px 0;font-size:31px}.next-copy>p{min-height:46px;color:var(--muted);margin:0;line-height:1.55}.next-meta{color:#6f8192;gap:14px;margin:22px 0;font-size:10px;font-weight:700;display:flex}.daily-card{background:#fffaf0;border:1px solid #eed99d;border-radius:22px;padding:25px}.daily-card.claimed{background:#f2faf7;border-color:#cfe6de}.daily-card-top{align-items:center;gap:9px;display:flex}.daily-icon{color:#fff;background:var(--gold);border-radius:10px;place-items:center;width:31px;height:31px;display:grid}.daily-card h2{letter-spacing:-.035em;margin:20px 0;font-size:23px;line-height:1.2}.reward-calendar{grid-template-columns:repeat(7,1fr);gap:4px;margin:0 0 22px;display:grid}.reward-calendar span{aspect-ratio:1;color:#8d7b54;background:#f6ecd3;border-radius:7px;place-items:center;font-size:8px;font-weight:800;display:grid}.reward-calendar .done{color:#fff;background:#d6b257}.reward-calendar .today{box-shadow:0 0 0 2px var(--gold);background:#fff}.secondary-button{color:var(--navy);background:#fff;border:1px solid #cbd8e2;border-radius:12px;justify-content:center;align-items:center;padding:13px 18px;font-weight:750;display:inline-flex}.full-button{width:100%}.secondary-button:disabled{opacity:.55;cursor:default}.reward-note{color:#8c7b59;text-align:center;margin:12px 0 0;font-size:9px;line-height:1.4}.trail-overview{padding-top:80px}.compact-heading{width:100%;margin-bottom:27px}.compact-heading h2{font-size:38px}.world-list{gap:18px;display:grid}.world-card{background:#fff;border:1px solid #d9e3e9;border-radius:20px;padding:24px 28px}.world-card.world-locked{opacity:.58}.world-header{border-bottom:1px solid var(--line);grid-template-columns:52px 1fr auto;align-items:center;gap:16px;padding-bottom:20px;display:grid}.world-number{color:#fff;background:var(--accent);border-radius:15px;place-items:center;width:48px;height:48px;font-size:12px;font-weight:850;display:grid}.world-header>div>span{color:var(--accent);letter-spacing:.08em;font-size:8px;font-weight:850}.world-header h3{margin:4px 0 3px;font-size:20px}.world-header p{color:var(--muted);margin:0;font-size:11px}.world-status{color:var(--accent);background:var(--accent-soft);text-transform:uppercase;border-radius:99px;padding:7px 10px;font-size:9px;font-weight:850}.world-path{grid-template-columns:repeat(5,1fr);gap:9px;padding-top:19px;display:grid}.path-lesson,.boss-node{background:#fbfcfd;border:1px solid #dde6ec;border-radius:13px;align-content:space-between;min-height:97px;padding:12px;display:grid}.path-lesson.current{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}.path-lesson.complete{background:var(--accent-soft);border-color:#0000}.path-lesson.locked,.boss-node.locked{color:#8b9aa8;background:#f2f5f7}.path-dot{color:#fff;background:var(--accent);border-radius:8px;place-items:center;width:24px;height:24px;font-size:8px;font-weight:850;display:grid}.path-title{min-height:27px;font-size:10px;font-weight:750;line-height:1.35}.path-stars{color:var(--accent);letter-spacing:.03em;font-size:8px;font-weight:800}.boss-node{text-align:center;background:#fff9e9;border-color:#ecd694;place-items:center}.boss-node>span{color:var(--gold);font-size:24px}.boss-node strong{font-size:10px}.boss-node small{color:#8c7c57;font-size:8px}.loading-page,.auth-gate{background:#f3f7f9;align-content:center;place-items:center;gap:16px;min-height:100vh;display:grid}.loading-mark{color:#fff;background:var(--navy);border-radius:18px;place-items:center;width:58px;height:58px;font-weight:850;animation:1.5s ease-in-out infinite breathe;display:grid}.loading-page p{color:var(--muted);font-size:12px}.auth-gate>.brand{position:absolute;top:32px;left:38px}.auth-card{border:1px solid var(--line);text-align:center;background:#fff;border-radius:25px;width:min(460px,100% - 36px);padding:46px;box-shadow:0 20px 55px #18344c1a}.auth-orbit{color:#fff;background:var(--navy);border-radius:22px;place-items:center;width:70px;height:70px;margin:0 auto 24px;font-size:26px;display:grid}.auth-card h1{letter-spacing:-.04em;margin:10px 0 12px;font-size:34px}.auth-card p{color:var(--muted);margin:0 auto 27px;line-height:1.6}.auth-card small{color:#8b9aa8;margin-top:18px;display:block}.lesson-topline{border-bottom:1px solid var(--line);background:#fff;grid-template-columns:120px 1fr 120px;align-items:center;gap:24px;height:60px;padding:0 max(24px,50% - 620px);display:grid}.back-link{color:#607488;font-size:11px;font-weight:750}.lesson-progress{background:#e9eff3;border-radius:99px;height:5px;overflow:hidden}.lesson-progress span{border-radius:inherit;background:var(--teal);height:100%;transition:width .35s;display:block}.sheet-button{color:var(--blue);background:0 0;border:0;font-size:10px;font-weight:800}.sheet-button:disabled{color:#9aabb7}.lesson-layout{grid-template-columns:285px 1fr;gap:45px;width:min(1240px,100% - 48px);margin:0 auto;padding:45px 0 80px;display:grid}.lesson-sidebar{padding:12px 15px 0 0}.lesson-region-badge{color:#fff;background:var(--accent);border-radius:99px;place-items:center;width:51px;height:39px;margin-bottom:23px;font-size:11px;font-weight:850;display:grid}.lesson-sidebar h1{letter-spacing:-.04em;margin:10px 0 11px;font-size:29px;line-height:1.1}.lesson-sidebar>p{color:var(--muted);margin:0;font-size:12px;line-height:1.6}.stage-list{gap:8px;margin:34px 0;padding:0;list-style:none;display:grid}.stage-list li{color:#8695a3;align-items:center;gap:10px;font-size:11px;font-weight:700;display:flex}.stage-list li span{background:#e6ecef;border-radius:8px;place-items:center;width:25px;height:25px;font-size:8px;display:grid}.stage-list li.active{color:var(--navy)}.stage-list li.active span{color:#fff;background:var(--blue)}.stage-list li.done span{color:var(--teal);background:#e3f5f0}.standard-chip{color:#758796;border:1px solid #d6e0e7;border-radius:99px;padding:7px 9px;font-size:8px;font-weight:800}.lesson-stage{min-height:620px}.stage-card,.practice-stage{background:#fff;border:1px solid #d9e3e9;border-radius:25px;grid-template-rows:auto 1fr auto;min-height:600px;padding:38px;display:grid;box-shadow:0 18px 46px #17334b12}.stage-copy{max-width:720px}.stage-copy h2{letter-spacing:-.04em;margin:11px 0 10px;font-size:32px;line-height:1.18}.stage-copy>p{color:var(--muted);margin:0;line-height:1.65}.stage-visual{place-items:center;padding:30px 0;display:grid}.stage-footer{border-top:1px solid var(--line);justify-content:space-between;align-items:center;padding-top:20px;display:flex}.stage-footer>span{color:#8393a1;font-size:10px}.goal-mark{background:var(--accent-soft);border-radius:35% 65% 58% 42%;place-items:center;width:240px;height:180px;display:grid;position:relative}.goal-mark span{color:#fff;background:var(--accent);border-radius:25px;place-items:center;width:80px;height:80px;font-size:22px;font-weight:850;display:grid}.goal-mark i{border:1px dashed var(--accent);border-radius:50%;position:absolute;inset:28px}.key-idea-card{background:var(--accent-soft);border-radius:20px;width:min(600px,100%);padding:45px}.key-idea-card>span{color:var(--accent);letter-spacing:.13em;margin-bottom:16px;font-size:9px;font-weight:850;display:block}.key-idea-card strong{font-size:25px;line-height:1.4}.example-steps{gap:9px;width:min(680px,100%);margin:0;padding:0;list-style:none;display:grid}.example-steps li{background:#f4f7f9;border-radius:13px;align-items:center;gap:15px;padding:15px 18px;display:flex}.example-steps span{color:#fff;background:var(--blue);border-radius:9px;place-items:center;width:28px;height:28px;font-size:9px;font-weight:850;display:grid}.example-steps p{margin:0;font-size:14px}.lesson-visual{text-align:center;background:#f6f9fa;border-radius:22px;align-content:center;place-items:center;gap:20px;width:min(650px,100%);min-height:270px;display:grid}.lesson-visual>strong{color:var(--blue);font-size:24px}.lesson-visual>p{color:var(--muted);margin:0;font-size:11px}.fraction-model{grid-template-columns:repeat(4,1fr);width:360px;max-width:80%;display:grid}.fraction-model span{border:2px solid var(--navy);background:var(--gold);border-right:0;height:70px}.fraction-model span:last-child{border-right:2px solid var(--navy)}.fraction-model .empty{background:#fff}.coordinate-model{background-image:linear-gradient(#dce6ed 1px,#0000 1px),linear-gradient(90deg,#dce6ed 1px,#0000 1px);background-size:30px 30px;width:270px;height:180px;position:relative}.axis-x,.axis-y{background:var(--navy);position:absolute}.axis-x{height:2px;top:89px;left:0;right:0}.axis-y{width:2px;top:0;bottom:0;left:134px}.coordinate-model i{background:var(--coral);border:3px solid #fff;border-radius:50%;width:14px;height:14px;position:absolute;box-shadow:0 2px 5px #0003}.point-one{top:44px;left:43px}.point-two{bottom:28px;right:43px}.coordinate-model b{background:var(--blue);transform-origin:0;width:185px;height:3px;position:absolute;top:88px;left:47px;transform:rotate(28deg)}.shape-model{width:220px;height:180px;position:relative}.shape-model span{display:block;position:absolute}.shape-model span:first-child{background:var(--navy);width:140px;height:3px;bottom:25px;left:35px}.shape-model span:nth-child(2){background:var(--teal);width:3px;height:115px;bottom:25px;left:35px}.shape-model span:nth-child(3){background:var(--coral);transform-origin:0;width:181px;height:3px;bottom:25px;left:35px;transform:rotate(-39deg)}.solid-model{width:180px;height:175px;position:relative}.solid-model span{border:3px solid var(--blue);background:#e8f1fe;border-radius:50% 50% 16% 16%;position:absolute;inset:20px 35px}.solid-model i{border:3px solid var(--blue);background:#fff;border-radius:50%;height:45px;position:absolute;top:18px;left:35px;right:35px}.number-line-model{justify-content:space-between;align-items:end;width:500px;max-width:86%;height:80px;display:flex;position:relative}.number-line-model:before{content:"";background:var(--navy);height:2px;position:absolute;bottom:22px;left:0;right:0}.number-line-model span,.number-line-model i{z-index:2;color:var(--muted);padding-top:30px;font-size:11px;font-style:normal;position:relative}.number-line-model span:after,.number-line-model i:after{content:"";background:var(--navy);width:2px;height:10px;position:absolute;bottom:18px;left:50%}.number-line-model b{border-top:3px solid var(--teal);border-radius:50%;width:140px;height:54px;position:absolute;top:3px;left:24%}.expression-model{background:#fff;border-radius:18px;justify-content:center;align-items:center;gap:24px;min-width:500px;max-width:90%;min-height:130px;padding:25px;display:flex;box-shadow:0 9px 25px #19364d12}.expression-model span,.expression-model strong{font-family:Georgia,serif;font-size:25px}.expression-model i{color:var(--coral);font-size:24px;font-style:normal}.practice-stage{display:block}.practice-heading{border-bottom:1px solid var(--line);justify-content:space-between;align-items:flex-start;gap:30px;padding-bottom:25px;display:flex}.practice-heading h2{letter-spacing:-.03em;max-width:720px;margin:12px 0 0;font-size:28px;line-height:1.3}.practice-dots{gap:5px;display:flex}.practice-dots span{background:#e4eaef;border-radius:99px;width:25px;height:5px}.practice-dots .active{background:var(--blue)}.practice-dots .done{background:var(--teal)}.choice-grid{grid-template-columns:repeat(2,1fr);gap:11px;margin:32px 0;display:grid}.choice-grid button{min-height:65px;color:var(--navy);text-align:left;background:#fff;border:1px solid #d5e0e7;border-radius:13px;padding:15px;font-weight:700}.choice-grid button:hover,.choice-grid button.selected{border-color:var(--blue);box-shadow:inset 0 0 0 1px var(--blue);background:#edf4fe}.answer-field{gap:9px;margin:38px 0 25px;display:grid}.answer-field>span{color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-size:10px;font-weight:800}.answer-field input{height:68px;color:var(--navy);background:#fff;border:2px solid #cedae3;border-radius:14px;outline:none;padding:0 18px;font-size:22px}.answer-field input:focus{border-color:var(--blue);box-shadow:0 0 0 4px #e7f0fe}.hint-card,.feedback-card{border-radius:13px;align-items:center;gap:17px;margin:18px 0;padding:17px 19px;display:flex}.hint-card{background:#fff9e8;border:1px solid #ead59b}.hint-card span,.feedback-card span{letter-spacing:.1em;flex:none;font-size:9px;font-weight:900}.hint-card p,.feedback-card p{margin:0;font-size:12px;line-height:1.5}.feedback-card.incorrect{color:#b4433c;background:#fff0ee}.feedback-card.correct{color:#087a67;background:#e8f7f3}.practice-actions{border-top:1px solid var(--line);justify-content:space-between;align-items:center;margin-top:35px;padding-top:21px;display:flex}.hint-button{color:#7d6c44;background:0 0;border:0;font-size:11px;font-weight:750}.hint-button:disabled{opacity:.55}.form-error{color:#b5423c;font-size:11px}.locked-lesson{text-align:center;border:1px solid var(--line);background:#fff;border-radius:24px;width:min(560px,100% - 36px);margin:95px auto;padding:50px}.lock-large{color:#708293;background:#e7edf1;border-radius:24px;place-items:center;width:72px;height:72px;margin:0 auto 24px;font-size:0;display:grid}.lock-large:after{content:"";border:4px solid;border-radius:4px;width:15px;height:19px}.locked-lesson h1{letter-spacing:-.04em;margin:10px 0;font-size:35px}.locked-lesson p{color:var(--muted);margin:0 auto 27px;line-height:1.6}.celebration-page{display:grid}.celebration-card{text-align:center;background:#fff;border:1px solid #dce5eb;border-radius:27px;width:min(720px,100% - 40px);margin:75px auto;padding:55px}.celebration-orbit{border:1px dashed var(--accent);border-radius:50%;place-items:center;width:120px;height:120px;margin:0 auto 32px;display:grid;position:relative}.celebration-orbit span{color:#fff;background:var(--accent);border-radius:25px;place-items:center;width:76px;height:76px;font-size:31px;display:grid}.celebration-orbit i{background:var(--gold);border-radius:50%;width:13px;height:13px;position:absolute}.celebration-orbit i:nth-child(2){top:28px;right:2px}.celebration-orbit i:nth-child(3){background:var(--teal);bottom:12px;left:13px}.celebration-card h1{letter-spacing:-.05em;margin:12px 0;font-size:48px}.celebration-card>p{max-width:530px;color:var(--muted);margin:0 auto;line-height:1.65}.earned-stars{color:var(--gold);letter-spacing:5px;margin:25px 0;font-size:34px}.reward-strip{border:1px solid var(--line);border-radius:14px;grid-template-columns:repeat(3,1fr);margin:28px 0;display:grid;overflow:hidden}.reward-strip span{color:var(--muted);text-transform:uppercase;gap:3px;padding:14px;font-size:9px;display:grid}.reward-strip span+span{border-left:1px solid var(--line)}.reward-strip strong{color:var(--navy);font-size:17px}.celebration-actions{justify-content:center;gap:10px;display:flex}.modal-backdrop{z-index:100;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#0c1e2ebf;place-items:center;padding:25px;display:grid;position:fixed;inset:0}.sheet-modal{background:#fff;border-radius:20px;gap:12px;width:min(1050px,100%);max-height:94vh;padding:18px;display:grid;position:relative;overflow:auto}.sheet-modal img{border-radius:11px;width:100%}.sheet-modal>a{color:var(--blue);justify-self:center;font-size:11px;font-weight:800}.modal-close{z-index:2;color:#fff;background:#17324fd9;border:0;border-radius:50%;width:36px;height:36px;font-size:22px;position:absolute;top:25px;right:25px}.boss-topbar{border-bottom:1px solid var(--line);background:#fff;grid-template-columns:150px 1fr 150px;align-items:center;gap:20px;height:63px;padding:0 max(24px,50% - 500px);display:grid}.boss-topbar>a{color:#65798b;font-size:10px;font-weight:750}.boss-rounds{justify-content:center;gap:7px;display:flex}.boss-rounds span{background:#e2e9ee;border-radius:99px;width:43px;height:5px}.boss-rounds .active{background:var(--accent,var(--blue))}.boss-rounds .done{background:var(--teal)}.boss-hearts{color:var(--coral);text-align:right;letter-spacing:3px;font-size:19px}.boss-arena{width:min(900px,100% - 40px);margin:0 auto;padding:55px 0 90px}.boss-title{text-align:center}.boss-title h1{letter-spacing:-.05em;margin:10px 0 7px;font-size:47px}.boss-title p{color:var(--muted);margin:0 0 28px}.boss-question-card{background:#fff;border:1px solid #d9e3e9;border-radius:24px;min-height:430px;padding:38px;box-shadow:0 20px 55px #18344c14}.boss-topic{color:var(--accent,var(--blue));background:var(--accent-soft,#e7f0fe);text-transform:uppercase;border-radius:99px;padding:7px 10px;font-size:9px;font-weight:850;display:inline-block}.boss-question-card h2{letter-spacing:-.03em;margin:25px 0 0;font-size:28px}.repair-card,.boss-victory{border:1px solid var(--line);text-align:center;background:#fff;border-radius:26px;width:min(680px,100% - 40px);margin:75px auto;padding:52px}.repair-icon,.boss-medal{color:#fff;background:var(--gold);border-radius:28px;place-items:center;width:84px;height:84px;margin:0 auto 25px;font-size:35px;display:grid}.repair-card h1,.boss-victory h1{letter-spacing:-.05em;margin:10px 0 12px;font-size:42px}.repair-card>p,.boss-victory>p{color:var(--muted);line-height:1.6}.repair-question{text-align:left;background:#f4f7f9;border-radius:17px;margin:28px 0;padding:24px}.repair-question span{color:var(--blue);font-size:8px;font-weight:850}.repair-question strong{margin-top:10px;display:block}.repair-question p{color:var(--muted);margin:8px 0 0;font-size:12px}.hearts-result{color:var(--coral)}.leaderboard-page{background:#f3f7f9}.leaderboard-hero{grid-template-columns:1fr 260px;align-items:end;gap:80px;width:min(1080px,100% - 48px);margin:55px auto 20px;padding:45px 0;display:grid}.leaderboard-hero h1{letter-spacing:-.055em;margin:20px 0 12px;font-size:57px;line-height:1}.leaderboard-hero p{max-width:650px;color:var(--muted);margin:0;line-height:1.65}.league-clock{border:1px solid var(--line);background:#fff;border-radius:16px;gap:5px;padding:21px;display:grid}.league-clock span{color:var(--blue);letter-spacing:.12em;font-size:8px;font-weight:850}.league-clock strong{font-size:16px}.league-clock small{color:var(--muted);font-size:9px}.leaderboard-wrap{width:min(940px,100% - 48px);margin:0 auto;padding-bottom:100px}.podium{justify-content:center;align-items:end;gap:15px;min-height:250px;display:flex}.podium-place{border:1px solid var(--line);background:#fff;border-radius:19px 19px 0 0;place-items:center;gap:8px;width:190px;padding:22px 13px;display:grid;position:relative}.podium-1{background:#fffaf0;border-color:#e8cb7e;min-height:225px}.podium-2{min-height:190px}.podium-3{min-height:172px}.podium-place strong{font-size:11px}.podium-place>span:last-child{color:var(--blue);font-size:11px;font-weight:800}.podium-rank{color:#9a8a64;font-size:12px;font-weight:900;position:absolute;top:12px;left:14px}.leaderboard-card{border:1px solid var(--line);background:#fff;border-radius:21px;overflow:hidden}.leaderboard-card>header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding:24px 28px;display:flex}.leaderboard-card h2{margin:7px 0 0;font-size:25px}.privacy-pill{color:#097862;background:#e7f6f2;border-radius:99px;padding:8px 10px;font-size:9px;font-weight:800}.leaderboard-list{margin:0;padding:0;list-style:none}.leaderboard-list li{border-bottom:1px solid #edf1f4;grid-template-columns:32px 44px 180px 1fr 75px;align-items:center;gap:9px;min-height:65px;padding:10px 27px;display:grid}.rank-number{color:#7f909f;font-size:11px;font-weight:850}.rank-1{color:#c48a14}.rank-2{color:#75899a}.rank-3{color:#b16d48}.leaderboard-list strong{font-size:11px}.leaderboard-list b{text-align:right;font-size:11px}.xp-bar{background:#e9eef2;border-radius:99px;height:5px;overflow:hidden}.xp-bar i{border-radius:inherit;background:var(--blue);height:100%;display:block}.leaderboard-card>footer{color:var(--muted);background:#f7f9fa;justify-content:space-between;padding:17px 27px;font-size:9px;display:flex}.leaderboard-card>footer a{color:var(--blue);font-weight:800}.leaderboard-privacy{background:#f1f9f6;border:1px solid #d7e5e0;border-radius:16px;gap:16px;margin-top:18px;padding:20px 24px;display:flex}.privacy-shield{color:#fff;background:var(--teal);border-radius:12px;place-items:center;width:38px;height:38px;display:grid}.leaderboard-privacy h3{margin:0 0 5px;font-size:13px}.leaderboard-privacy p{color:#587065;margin:0;font-size:10px;line-height:1.5}.leaderboard-empty{min-height:180px;color:var(--muted);text-align:center;place-content:center;gap:8px;padding:45px 24px;display:grid}.leaderboard-empty strong{color:var(--ink);font-size:18px}.review-layout{grid-template-columns:310px 1fr;gap:55px;width:min(1060px,100% - 48px);margin:0 auto;padding:75px 0;display:grid}.review-layout>aside{padding-top:20px}.review-layout aside h1{letter-spacing:-.05em;margin:12px 0;font-size:39px;line-height:1.08}.review-layout aside>p{color:var(--muted);line-height:1.65}.review-layout aside>small{color:#718495;font-size:9px}.review-schedule{align-items:center;margin:32px 0 22px;display:flex}.review-schedule span{color:#7f909e;border:1px solid var(--line);background:#fff;border-radius:50%;place-items:center;width:47px;height:47px;font-size:8px;font-weight:800;display:grid}.review-schedule span.done{color:#fff;background:var(--teal);border-color:var(--teal)}.review-schedule i{background:#cfdbe3;flex:1;height:1px}.review-card{border:1px solid var(--line);background:#fff;border-radius:24px;min-height:480px;padding:36px;box-shadow:0 18px 45px #19354c12}.review-card>header{border-bottom:1px solid var(--line);justify-content:space-between;gap:25px;padding-bottom:22px;display:flex}.review-card h2{margin:12px 0 0;font-size:27px}.review-card header>span{color:var(--blue);font-size:11px;font-weight:850}.review-dots{gap:5px;display:flex}.review-dots i{background:#e4eaef;border-radius:99px;width:22px;height:5px}.review-dots i.active{background:var(--blue)}.review-dots i.done{background:var(--teal)}.review-empty,.review-finish{border:1px solid var(--line);text-align:center;background:#fff;border-radius:26px;width:min(620px,100% - 40px);margin:90px auto;padding:55px}.review-empty>span:first-child{color:#fff;background:var(--teal);border-radius:50%;place-items:center;width:75px;height:75px;margin:0 auto 24px;font-size:27px;display:grid}.review-empty h1,.review-finish h1{letter-spacing:-.05em;margin:12px 0;font-size:41px}.review-empty p,.review-finish p{color:var(--muted);line-height:1.6}.review-ring{border:8px solid #dff4ee;border-top-color:var(--teal);border-radius:50%;align-content:center;place-items:center;width:100px;height:100px;margin:0 auto 25px;display:grid}.review-ring span{font-size:22px;font-weight:850}.review-ring small{color:var(--muted);font-size:9px}.profile-wrap{width:min(1100px,100% - 48px);margin:0 auto;padding:65px 0 100px}.profile-hero{border:1px solid var(--line);background:#fff;border-radius:22px;justify-content:space-between;align-items:center;padding:35px;display:flex}.profile-identity{align-items:center;gap:25px;display:flex}.profile-identity h1{letter-spacing:-.04em;margin:9px 0 5px;font-size:34px}.profile-identity p{color:var(--muted);margin:0;font-size:11px}.profile-stats{grid-template-columns:repeat(4,1fr);gap:12px;margin:17px 0;display:grid}.profile-stats article{border:1px solid var(--line);background:#fff;border-radius:16px;grid-template-columns:30px 1fr;align-items:center;padding:20px;display:grid}.profile-stats article>span{color:var(--blue);grid-row:1/3}.profile-stats strong{font-size:19px}.profile-stats small{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-size:8px}.profile-grid{grid-template-columns:1.25fr .75fr;gap:17px;display:grid}.locker-card,.privacy-settings-card{border:1px solid var(--line);background:#fff;border-radius:20px;padding:30px}.locker-card>header{justify-content:space-between;align-items:center;display:flex}.locker-card h2,.privacy-settings-card h2{margin:8px 0;font-size:24px}.locker-card>p{color:var(--muted);font-size:11px;line-height:1.5}.token-balance{color:#8b6518;background:#fff3d3;border-radius:99px;padding:8px 10px;font-size:10px;font-weight:850}.frame-grid{grid-template-columns:repeat(3,1fr);gap:9px;margin-top:23px;display:grid}.frame-grid button{background:#f8fafb;border:1px solid #d9e3e9;border-radius:14px;place-items:center;gap:9px;padding:17px 10px;display:grid}.frame-grid button.equipped{border-color:var(--teal);box-shadow:inset 0 0 0 1px var(--teal);background:#eff9f6}.frame-grid strong{font-size:10px}.frame-grid span{color:#8c6b25;font-size:9px;font-weight:800}.setting-row{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:20px;padding:18px 0;display:flex}.setting-row strong{font-size:11px}.setting-row p{color:var(--muted);margin:4px 0 0;font-size:9px;line-height:1.45}.toggle{background:#c9d4dc;border:0;border-radius:99px;width:44px;height:24px;padding:3px}.toggle span{background:#fff;border-radius:50%;width:18px;height:18px;transition:transform .2s;display:block}.toggle.on{background:var(--teal)}.toggle.on span{transform:translate(20px)}.safe-chip{color:#087965;background:#e5f5f0;border-radius:99px;flex:none;padding:6px 8px;font-size:8px;font-weight:800}.privacy-settings-card>.text-link{margin-top:19px;font-size:10px;display:inline-block}.account-settings{background:#fff8f7;border:1px solid #efcfcb;border-radius:19px;justify-content:space-between;align-items:center;margin-top:17px;padding:28px 31px;display:flex}.account-settings h2{margin:7px 0 3px;font-size:19px}.account-settings p{color:#816764;max-width:660px;margin:0;font-size:10px;line-height:1.5}.danger-button{color:#b54138;background:#fff;border:1px solid #e49a93;border-radius:11px;padding:12px 16px;font-weight:750}.toast-message{z-index:50;color:#fff;background:var(--navy);border-radius:12px;padding:13px 16px;font-size:11px;position:fixed;bottom:25px;right:25px;box-shadow:0 8px 25px #0000002e}.delete-modal{text-align:center;background:#fff;border-radius:23px;width:min(510px,100%);padding:38px;position:relative}.danger-icon{color:#fff;background:var(--coral);border-radius:20px;place-items:center;width:60px;height:60px;margin:0 auto 20px;font-size:24px;font-weight:900;display:grid}.delete-modal h2{margin:10px 0;font-size:28px}.delete-modal>p{color:var(--muted);font-size:11px;line-height:1.6}.delete-modal .age-check{text-align:left;background:#fff2f0;border-radius:12px;margin:22px 0;padding:15px}.legal-page{background:#f6f9fa}.legal-wrap{width:min(880px,100% - 48px);margin:70px auto 100px}.legal-wrap>header{padding:50px 0}.legal-wrap h1{letter-spacing:-.055em;max-width:780px;margin:22px 0 15px;font-size:57px;line-height:1.03}.legal-wrap header>p{max-width:650px;color:var(--muted);line-height:1.7}.legal-sections{border-top:1px solid var(--line)}.legal-sections section{border-bottom:1px solid var(--line);grid-template-columns:60px 1fr;gap:25px;padding:35px 0;display:grid}.legal-sections section>span{color:var(--blue);letter-spacing:.1em;font-size:10px;font-weight:850}.legal-sections h2{margin:0 0 8px;font-size:20px}.legal-sections p{color:var(--muted);margin:0;font-size:13px;line-height:1.75}.legal-wrap>footer{justify-content:space-between;align-items:center;margin-top:35px;display:flex}.legal-wrap footer p{color:#8595a3;font-size:10px}.grade-switcher{border:1px solid var(--line);background:#fff;border-radius:13px;gap:5px;margin-bottom:28px;padding:5px;display:inline-flex}.grade-switcher a{color:var(--muted);border-radius:9px;padding:9px 15px;font-size:11px;font-weight:800}.grade-switcher a.active{color:#fff;background:var(--navy)}.founder-section{border:1px solid var(--line);background:#f7fafb;border-radius:24px;grid-template-columns:90px 1fr;gap:35px;width:min(1000px,100% - 48px);margin:20px auto 110px;padding:45px;display:grid}.founder-mark{color:#fff;background:var(--navy);border-radius:24px;place-items:center;width:78px;height:78px;font-size:34px;font-weight:850;display:grid}.founder-section h2{letter-spacing:-.04em;margin:10px 0 16px;font-size:34px}.founder-section p{max-width:780px;color:var(--muted);line-height:1.75}.founder-section a,.join-copy a{color:var(--blue);font-weight:800}.grade-cards{grid-template-columns:repeat(3,1fr);gap:16px;width:min(1180px,100% - 48px);margin:0 auto 25px;display:grid}.grade-card{border:1px solid var(--line);background:#fff;border-radius:21px;align-content:start;min-height:270px;padding:28px;display:grid}.grade-card>span{color:var(--muted);letter-spacing:.12em;font-size:9px;font-weight:850}.grade-card>strong{color:var(--blue);margin:4px 0 14px;font-size:55px;line-height:1}.grade-card h3{min-height:66px;margin:0;font-size:15px;line-height:1.45}.grade-card p{color:var(--muted);font-size:10px}.grade-card a{color:var(--blue);margin-top:auto;font-size:11px;font-weight:850}.compact-region-grid{padding-top:20px}.feedback-page{background:#f5f8fa}.feedback-wrap{width:min(860px,100% - 48px);margin:65px auto 100px}.feedback-wrap>header h1{letter-spacing:-.05em;margin:18px 0 12px;font-size:52px}.feedback-wrap>header p{max-width:720px;color:var(--muted);line-height:1.7}.feedback-form{border:1px solid var(--line);background:#fff;border-radius:20px;margin:35px 0 65px;padding:28px}.feedback-form label{color:var(--navy);gap:9px;font-size:11px;font-weight:800;display:grid}.feedback-form textarea{resize:vertical;width:100%;color:var(--ink);font:inherit;background:#fbfcfd;border:1px solid #cfdbe3;border-radius:12px;padding:15px;line-height:1.5}.feedback-form textarea:focus{border-color:var(--blue);outline:3px solid #2370e326}.feedback-form>div{justify-content:space-between;align-items:center;gap:20px;margin-top:14px;display:flex}.feedback-form small{color:var(--muted);line-height:1.5}.feedback-honeypot{position:absolute;left:-9999px}.feedback-list .section-heading{text-align:left;width:100%;padding:0 0 20px}.feedback-list article{border:1px solid var(--line);background:#fff;border-radius:16px;margin-top:12px;padding:22px}.feedback-list article>div{align-items:center;gap:10px;display:flex}.feedback-avatar{color:#fff;background:var(--teal);border-radius:50%;place-items:center;width:30px;height:30px;display:grid}.feedback-list time{color:var(--muted);margin-left:auto;font-size:9px}.feedback-list article p{color:#43586a;margin:14px 0 0;line-height:1.65}@keyframes breathe{50%{opacity:.76;transform:scale(.94)}}@media (max-width:980px){.region-grid{grid-template-columns:repeat(3,1fr)}.future-grades{grid-template-columns:repeat(2,1fr)}.privacy-section{gap:55px}.join-section{grid-template-columns:1fr 360px;padding:50px}.dashboard-grid{grid-template-columns:1fr}.world-path{grid-template-columns:repeat(3,1fr)}.profile-grid{grid-template-columns:1fr}}@media (max-width:760px){.split-heading,.privacy-section,.join-section,.leaderboard-hero,.review-layout{grid-template-columns:1fr;gap:35px}.region-grid{grid-template-columns:repeat(2,1fr)}.grade-cards,.founder-section{grid-template-columns:1fr}.learner-nav,.profile-link>span{display:none}.lesson-layout{grid-template-columns:1fr}.lesson-sidebar{grid-template-columns:auto 1fr;column-gap:15px;display:grid}.lesson-sidebar>p,.stage-list,.standard-chip{grid-column:1/-1}.lesson-region-badge{grid-row:1/3}.lesson-sidebar h1{margin-top:0}.dashboard-heading{flex-direction:column;align-items:flex-start}.next-card{grid-template-columns:1fr}.next-visual{min-height:220px}.world-path{grid-template-columns:repeat(2,1fr)}.podium-place{width:31%}.leaderboard-list li{grid-template-columns:28px 40px 1fr 70px}.xp-bar{display:none}.profile-stats{grid-template-columns:repeat(2,1fr)}.site-footer{grid-template-columns:1fr;gap:25px}.privacy-visual{min-height:300px}.boss-topbar{grid-template-columns:100px 1fr 90px}}@media (max-width:520px){.section-heading,.region-grid,.future-grades,.privacy-section,.join-section,.site-footer,.dashboard-wrap,.lesson-layout,.profile-wrap,.leaderboard-wrap,.leaderboard-hero,.review-layout,.legal-wrap,.founder-section,.grade-cards,.feedback-wrap{width:min(100% - 28px,1180px)}.region-grid,.future-grades{grid-template-columns:1fr}.founder-section{padding:28px 22px}.founder-section h2{font-size:28px}.feedback-wrap>header h1{font-size:40px}.feedback-form{padding:20px}.feedback-form>div{flex-direction:column;align-items:stretch}.grade-switcher{width:100%}.grade-switcher a{text-align:center;flex:1}.join-section{padding:32px 23px}.join-copy h2{font-size:40px}.privacy-copy h2{font-size:38px}.learner-topbar{height:68px;padding:0 14px}.learner-stats .stat-chip{display:none}.dashboard-heading h1{font-size:39px}.dashboard-summary{width:100%}.dashboard-summary div{flex:1;min-width:0}.next-card{padding:16px}.world-card{padding:18px}.world-header{grid-template-columns:45px 1fr}.world-status{grid-column:1/-1;justify-self:start}.world-path{grid-template-columns:1fr}.lesson-topline{grid-template-columns:65px 1fr 78px;gap:10px;padding:0 14px}.lesson-stage{min-height:0}.stage-card,.practice-stage{border-radius:18px;min-height:560px;padding:24px 18px}.stage-copy h2{font-size:26px}.stage-footer{gap:15px}.stage-footer>span{display:none}.expression-model{flex-direction:column;width:100%;min-width:0}.choice-grid{grid-template-columns:1fr}.practice-heading{flex-direction:column}.practice-actions{gap:10px}.primary-button,.secondary-button{font-size:12px}.celebration-card,.repair-card,.boss-victory{padding:36px 20px}.celebration-card h1,.repair-card h1,.boss-victory h1{font-size:37px}.reward-strip{grid-template-columns:1fr}.reward-strip span+span{border-left:0;border-top:1px solid var(--line)}.boss-question-card{padding:25px 18px}.boss-topbar{grid-template-columns:70px 1fr 72px;padding:0 13px}.boss-rounds span{width:18px}.boss-title h1{font-size:39px}.leaderboard-hero h1{font-size:45px}.podium{gap:5px}.podium-place{padding:18px 5px}.podium-place strong{text-overflow:ellipsis;max-width:95px;overflow:hidden}.leaderboard-card>header{flex-direction:column;align-items:flex-start;gap:13px}.leaderboard-list li{grid-template-columns:24px 40px 1fr 58px;padding:9px 12px}.leaderboard-list strong{text-overflow:ellipsis;overflow:hidden}.review-card{padding:25px 18px}.profile-hero,.profile-identity,.account-settings{flex-direction:column;align-items:flex-start;gap:20px}.profile-stats{grid-template-columns:1fr 1fr}.locker-card,.privacy-settings-card{padding:22px 17px}.frame-grid{grid-template-columns:1fr}.legal-wrap h1{font-size:43px}.legal-sections section{grid-template-columns:35px 1fr;gap:12px}.brand,.sign-in-button,.hero-actions .text-link,.grade-card a,.back-link,.sheet-button{align-items:center;min-height:44px;display:flex}.grade-switcher a{place-items:center;min-height:44px;display:grid}.icon-button{width:44px;height:44px}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}