@font-face{font-family:Fredoka;font-style:normal;font-weight:500;font-stretch:100%;font-display:swap;src:url(../media/b6df7c92285ebcd2-s.1cox7hpc1tfbr.woff2)format("woff2");unicode-range:U+307-308,U+590-5FF,U+200C-2010,U+20AA,U+25CC,U+FB1D-FB4F}@font-face{font-family:Fredoka;font-style:normal;font-weight:500;font-stretch:100%;font-display:swap;src:url(../media/eeba9b1ad34c1404-s.3t00_18uk4swp.woff2)format("woff2");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C4,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Fredoka;font-style:normal;font-weight:500;font-stretch:100%;font-display:swap;src:url(../media/5d52bd6c4cb3f315-s.p.12wv-xs8vggjn.woff2)format("woff2");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Fredoka;font-style:normal;font-weight:600;font-stretch:100%;font-display:swap;src:url(../media/b6df7c92285ebcd2-s.1cox7hpc1tfbr.woff2)format("woff2");unicode-range:U+307-308,U+590-5FF,U+200C-2010,U+20AA,U+25CC,U+FB1D-FB4F}@font-face{font-family:Fredoka;font-style:normal;font-weight:600;font-stretch:100%;font-display:swap;src:url(../media/eeba9b1ad34c1404-s.3t00_18uk4swp.woff2)format("woff2");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C4,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Fredoka;font-style:normal;font-weight:600;font-stretch:100%;font-display:swap;src:url(../media/5d52bd6c4cb3f315-s.p.12wv-xs8vggjn.woff2)format("woff2");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Fredoka Fallback;src:local(Arial);ascent-override:95.64%;descent-override:23.17%;line-gap-override:0.0%;size-adjust:101.84%}.fredoka_5d6fcd10-module__F5hMvG__className{font-family:Fredoka,Fredoka Fallback;font-style:normal}.fredoka_5d6fcd10-module__F5hMvG__variable{--font-display:"Fredoka", "Fredoka Fallback"}
@font-face{font-family:Nunito Sans;font-style:normal;font-weight:200 1000;font-stretch:100%;font-display:swap;src:url(../media/f813d0b748b050e0-s.1jg2wqmry50dw.woff2)format("woff2");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Nunito Sans;font-style:normal;font-weight:200 1000;font-stretch:100%;font-display:swap;src:url(../media/dcd150d580a10316-s.097t91mu4nbwo.woff2)format("woff2");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Nunito Sans;font-style:normal;font-weight:200 1000;font-stretch:100%;font-display:swap;src:url(../media/d261779aa92de579-s.2a66m7dsu0m6t.woff2)format("woff2");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Nunito Sans;font-style:normal;font-weight:200 1000;font-stretch:100%;font-display:swap;src:url(../media/24ce79ed121239f3-s.1puy2ov14w4rp.woff2)format("woff2");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C4,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Nunito Sans;font-style:normal;font-weight:200 1000;font-stretch:100%;font-display:swap;src:url(../media/f141b5b7abe57afc-s.p.3bm7l-ln3bnu5.woff2)format("woff2");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Nunito Sans Fallback;src:local(Arial);ascent-override:99.71%;descent-override:34.82%;line-gap-override:0.0%;size-adjust:101.39%}.nunito_sans_c7db0f39-module__k_zC9G__className{font-family:Nunito Sans,Nunito Sans Fallback;font-style:normal}.nunito_sans_c7db0f39-module__k_zC9G__variable{--font-body:"Nunito Sans", "Nunito Sans Fallback"}
@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,::backdrop{--tw-scale-x:1;--tw-scale-y:1;--tw-scale-z:1;--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-ordinal:initial;--tw-slashed-zero:initial;--tw-numeric-figure:initial;--tw-numeric-spacing:initial;--tw-numeric-fraction:initial;--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:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, 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-transition-duration:.15s;--default-transition-timing-function:cubic-bezier(.4, 0, .2, 1);--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::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,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, 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:where(:not(iframe)){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]){appearance:button}::file-selector-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{.collapse{visibility:collapse}.invisible{visibility:hidden}.visible{visibility:visible}.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.absolute{position:absolute}.fixed{position:fixed}.relative{position:relative}.static{position:static}.sticky{position:sticky}.top-0{top:0}.top-1{top:var(--spacing)}.bottom-0{bottom:0}.bottom-1{bottom:var(--spacing)}.isolate{isolation:isolate}.container{width:100%}@media (min-width:40rem){.container{max-width:40rem}}@media (min-width:48rem){.container{max-width:48rem}}@media (min-width:64rem){.container{max-width:64rem}}@media (min-width:80rem){.container{max-width:80rem}}@media (min-width:96rem){.container{max-width:96rem}}.block{display:block}.contents{display:contents}.flex{display:flex}.grid{display:grid}.hidden{display:none}.inline{display:inline}.table{display:table}.h-14{height:calc(var(--spacing) * 14)}.shrink{flex-shrink:1}.grow{flex-grow:1}.scale-2{--tw-scale-x:2%;--tw-scale-y:2%;--tw-scale-z:2%;scale:var(--tw-scale-x) var(--tw-scale-y)}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.resize{resize:both}.gap-390{gap:calc(var(--spacing) * 390)}.rounded{border-radius:.25rem}.border{border-style:var(--tw-border-style);border-width:1px}.ordinal{--tw-ordinal:ordinal;font-variant-numeric:var(--tw-ordinal,) var(--tw-slashed-zero,) var(--tw-numeric-figure,) var(--tw-numeric-spacing,) var(--tw-numeric-fraction,)}.underline{text-decoration-line:underline}.ring{--tw-ring-shadow:var(--tw-ring-inset,) 0 0 0 calc(1px + var(--tw-ring-offset-width)) var(--tw-ring-color,currentcolor);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,)}.grayscale{--tw-grayscale:grayscale(100%);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,)}.invert{--tw-invert:invert(100%);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,)}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}}:root{--paper:#fcf5e3;--surface:#fffdf9;--ink:#112031;--ink-soft:#3e5268;--blue:#0089db;--blue-dark:#004f8e;--yellow:#feca21;--orange:#fa7c20;--green:#3baa73;--red:#ed4b40;--line:#c2b69b;--shadow:var(--blue-dark)}@supports (color:lab(0% 0 0)){:root{--paper:lab(96.636% .235558 9.6409);--surface:lab(99.4578% .0822842 3.05552);--ink:lab(11.6964% -1.92925 -13.1114);--ink-soft:lab(33.752% -3.09439 -15.7247);--blue:lab(54.1009% -8.51607 -54.9602);--blue-dark:lab(31.8331% -.925824 -47.6691);--yellow:lab(84.1044% 9.10109 80.1457);--orange:lab(66.3876% 45.8614 67.3561);--green:lab(62.2689% -42.5493 18.7341);--red:lab(56.2999% 62.3842 43.2876);--line:lab(74.6401% .900537 15.6606)}}@supports (color:color-mix(in lab, red, red)){:root{--shadow:color-mix(in oklch, var(--blue-dark) 14%, transparent)}}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:linear-gradient(to right, var(--blue) 1px, transparent 1px), linear-gradient(to bottom, var(--blue) 1px, transparent 1px), var(--paper);margin:0}@supports (color:color-mix(in lab, red, red)){body{background:linear-gradient(to right, color-mix(in oklch, var(--blue) 7%, transparent) 1px, transparent 1px), linear-gradient(to bottom, color-mix(in oklch, var(--blue) 7%, transparent) 1px, transparent 1px), var(--paper)}}body{color:var(--ink);font-family:var(--font-body), sans-serif;background-size:28px 28px}button,input{font:inherit}button,a{color:inherit}.app-shell{min-height:100svh;overflow:hidden}.site-header,.lesson-intro,.step-track,.lesson-workspace,footer{width:min(1120px,100% - 40px);margin-inline:auto}.site-header{justify-content:space-between;align-items:center;gap:24px;padding:26px 0;display:flex}.brand{font-family:var(--font-display), sans-serif;letter-spacing:-.03em;align-items:center;gap:12px;font-size:1.35rem;font-weight:600;text-decoration:none;display:inline-flex}.brand:focus-visible,button:focus-visible,input:focus-visible{outline:4px solid var(--blue)}@supports (color:color-mix(in lab, red, red)){.brand:focus-visible,button:focus-visible,input:focus-visible{outline:4px solid color-mix(in oklch, var(--blue) 55%, transparent)}}.brand:focus-visible,button:focus-visible,input:focus-visible{outline-offset:3px}.brand-mark{grid-template-rows:1fr 1fr;grid-template-columns:1.1fr .9fr;gap:3px;width:34px;height:34px;display:grid;transform:rotate(-4deg)}.brand-mark span{border-radius:4px}.brand-mark span:first-child{background:var(--blue);grid-row:span 2}.brand-mark span:nth-child(2){background:var(--yellow)}.brand-mark span:nth-child(3){background:var(--orange)}.co-designer-note{border:1px solid var(--line);background:var(--surface);color:var(--ink-soft);border-radius:999px;margin:0;padding:8px 13px;font-size:.82rem;font-weight:800}.site-nav{border:1px solid var(--line);background:var(--surface);border-radius:999px;align-items:center;gap:6px;padding:4px;display:flex}@supports (color:color-mix(in lab, red, red)){.site-nav{background:color-mix(in oklch, var(--surface) 86%, transparent)}}.site-nav a{color:var(--ink-soft);border-radius:999px;padding:10px 14px;font-size:1rem;font-weight:850;text-decoration:none}.site-nav a:hover{color:var(--ink)}.site-nav a.is-active{background:var(--ink);color:var(--surface)}.lesson-intro{grid-template-columns:1fr auto;align-items:end;gap:40px;padding:clamp(38px,6vw,76px) 0 clamp(34px,5vw,58px);display:grid}.eyebrow,.step-kicker,.mini-label{color:var(--blue-dark);letter-spacing:.1em;text-transform:uppercase;margin:0 0 12px;font-size:1rem;font-weight:900}h1,h2,h3{font-family:var(--font-display), sans-serif}h1{letter-spacing:-.055em;margin:0;font-size:clamp(3.2rem,7.5vw,6.6rem);font-weight:600;line-height:.91}.intro-copy{max-width:610px;color:var(--ink-soft);margin:25px 0 0;font-size:clamp(1.05rem,2vw,1.3rem);line-height:1.55}.mission-stamp{border:3px solid var(--ink);background:var(--yellow);width:132px;height:132px;box-shadow:10px 10px 0 var(--shadow);border-radius:28px 28px 18px;align-content:center;place-items:center;display:grid;transform:rotate(4deg)}.mission-stamp span{letter-spacing:.1em;font-size:.8rem;font-weight:950}.mission-stamp strong{font-family:var(--font-display);margin:-4px 0;font-size:3.6rem;line-height:1}.step-track{border-top:2px solid var(--ink);border-bottom:2px solid var(--ink);grid-template-columns:repeat(5,1fr);display:grid}.topic-track{grid-template-columns:repeat(3,1fr)}.step-marker{min-width:0;min-height:76px;color:var(--ink-soft);flex-direction:column;justify-content:center;align-items:flex-start;gap:4px;padding:12px clamp(8px,1.6vw,18px);display:flex}.step-marker+.step-marker{border-left:1px solid var(--line)}.step-marker strong{font-size:1.05rem;line-height:1.2}.step-marker small{min-height:1.2rem;color:var(--ink-soft);font-size:1rem;font-weight:850;line-height:1.2}.step-marker.is-current{background:var(--yellow);color:var(--ink)}.step-marker.is-current small{color:var(--ink)}.step-marker.is-done{color:var(--blue-dark)}.step-marker.is-done small{color:var(--green)}@supports (color:color-mix(in lab, red, red)){.step-marker.is-done small{color:color-mix(in oklch, var(--green) 75%, var(--ink))}}.lesson-workspace{border:2px solid var(--ink);background:var(--surface);box-shadow:16px 16px 0 var(--shadow);border-radius:34px 14px;margin-top:clamp(24px,4vw,48px);margin-bottom:clamp(70px,10vw,130px);overflow:hidden}.lesson-panel{grid-template-columns:minmax(0,.92fr) minmax(360px,1.08fr);align-items:center;gap:clamp(40px,7vw,90px);min-height:560px;padding:clamp(28px,5vw,64px);display:grid}.instruction-column{max-width:540px}.instruction-column h2,.completion-panel h2{letter-spacing:-.045em;margin:0;font-size:clamp(2.2rem,4.6vw,4.25rem);font-weight:600;line-height:.98}.story-copy{color:var(--ink-soft);margin:24px 0 0;font-size:clamp(1.02rem,1.5vw,1.2rem);line-height:1.65}.story-copy strong{color:var(--ink)}.thinking-prompt{flex-direction:column;gap:4px;margin-top:28px;display:flex}.thinking-prompt strong,.choice-label{font-weight:900}.thinking-prompt span{color:var(--ink-soft);font-size:.9rem}.fact-choices,.meaning-choices{gap:10px;margin-top:14px;display:grid}.fact-choices button,.meaning-choices button,.check-button,.restart-button{border:2px solid var(--ink);background:var(--surface);text-align:left;cursor:pointer;border-radius:12px 7px;min-height:50px;padding:12px 16px;font-weight:850;transition:transform .16s ease-out,background .16s ease-out,box-shadow .16s ease-out}.fact-choices button:hover,.meaning-choices button:hover,.check-button:hover,.restart-button:hover{box-shadow:0 4px 0 var(--shadow);transform:translateY(-2px)}.fact-choices button.is-selected,.meaning-choices button.is-correct{background:var(--green)}@supports (color:color-mix(in lab, red, red)){.fact-choices button.is-selected,.meaning-choices button.is-correct{background:color-mix(in oklch, var(--green) 25%, var(--surface))}}.meaning-choices button.is-wrong{background:var(--orange)}@supports (color:color-mix(in lab, red, red)){.meaning-choices button.is-wrong{background:color-mix(in oklch, var(--orange) 18%, var(--surface))}}.feedback-line{min-height:28px;color:var(--blue-dark);margin:16px 0 0;font-size:1.05rem;font-weight:800;line-height:1.45}.feedback-line.success{color:var(--green)}@supports (color:color-mix(in lab, red, red)){.feedback-line.success{color:color-mix(in oklch, var(--green) 75%, var(--ink))}}.feedback-line.try-again{color:var(--orange)}@supports (color:color-mix(in lab, red, red)){.feedback-line.try-again{color:color-mix(in oklch, var(--orange) 72%, var(--ink))}}.bridge-scene{background:#c7eaff;background:lab(90.7329% -9.43002 -22.9578);border-radius:80px 24px;flex-direction:column;justify-content:center;min-height:390px;padding:50px 34px 34px;display:flex;position:relative;overflow:hidden}.bridge-grid{z-index:2;grid-template-columns:repeat(8,1fr);align-items:end;gap:5px;display:grid;position:relative;transform:rotate(-3deg)}.bridge-tile{aspect-ratio:.72;border:2px solid var(--ink);font-family:var(--font-display);border-radius:8px 8px 4px 4px;place-items:center;font-weight:600;display:grid}.bridge-tile:nth-child(2n){transform:translateY(-5px)}.interactive-bridge-tile{width:100%;color:var(--ink);cursor:pointer;padding:0;transition:transform .16s ease-out,background .16s ease-out,box-shadow .16s ease-out}.interactive-bridge-tile:hover{box-shadow:0 5px 0 var(--shadow);transform:translateY(-5px)}.interactive-bridge-tile:nth-child(2n):hover{transform:translateY(-9px)}.interactive-bridge-tile:focus-visible{z-index:3;outline:4px solid var(--blue);position:relative}@supports (color:color-mix(in lab, red, red)){.interactive-bridge-tile:focus-visible{outline:4px solid color-mix(in oklch, var(--blue) 55%, transparent)}}.interactive-bridge-tile:focus-visible{outline-offset:3px}.blue-tile{background:var(--blue);color:var(--surface)}.mystery-tile{background:var(--surface);border-style:dashed}@supports (color:color-mix(in lab, red, red)){.mystery-tile{background:color-mix(in oklch, var(--surface) 42%, transparent)}}.mystery-tile{color:var(--blue-dark)}.bridge-scene p{z-index:2;text-align:center;color:var(--blue-dark);margin:30px 0 0;font-weight:850;position:relative}.planet{background:var(--yellow);border-radius:50%;position:absolute}.planet-small{width:34px;height:34px;top:40px;left:55px}.planet-large{background:var(--orange);width:145px;height:145px;bottom:-38px;right:-45px}.whole-workshop,.parts-workshop{border:2px solid var(--ink);background:var(--yellow);border-radius:54px 18px;flex-direction:column;justify-content:center;align-items:center;min-height:390px;padding:clamp(28px,5vw,52px);display:flex;position:relative}@supports (color:color-mix(in lab, red, red)){.whole-workshop,.parts-workshop{background:color-mix(in oklch, var(--yellow) 10%, var(--paper))}}.whole-workshop,.parts-workshop{transform:rotate(1deg)}.whole-outline{border:3px dashed var(--blue-dark);background:var(--surface);cursor:pointer;border-radius:50% 46% 48% 44%;width:100%;padding:clamp(26px,5vw,48px) 20px 18px;transition:transform .16s ease-out,border-color .16s ease-out,background .16s ease-out}.whole-outline:hover{transform:scale(1.015)}.whole-outline.is-found{border-style:solid;border-color:var(--green);background:var(--green)}@supports (color:color-mix(in lab, red, red)){.whole-outline.is-found{background:color-mix(in oklch, var(--green) 9%, var(--surface))}}.whole-outline strong{color:var(--blue-dark);text-align:center;margin-top:18px;font-size:1.05rem;font-weight:950;display:block}.whole-block-row{grid-template-columns:repeat(7,1fr);gap:7px;display:grid}.whole-block-row span,.part-blocks span{aspect-ratio:.82;border:2px solid var(--ink);background:var(--orange);box-shadow:inset 0 -5px 0 var(--ink);border-radius:9px 9px 5px 5px}@supports (color:color-mix(in lab, red, red)){.whole-block-row span,.part-blocks span{box-shadow:inset 0 -5px 0 color-mix(in oklch, var(--ink) 12%, transparent)}}.whole-block-row span:nth-child(2n){transform:translateY(-5px)}.whole-workshop>p,.parts-workshop>p{color:var(--ink-soft);text-align:center;margin:24px 0 0;font-size:1rem;font-weight:850}.parts-workshop{background:var(--paper);min-height:420px;transform:rotate(-1deg)}.simple-parts-workshop{justify-content:flex-start;padding-top:clamp(38px,6vw,58px)}.synced-lesson-panel{grid-template-columns:minmax(0,1fr);gap:18px}.synced-workshop{justify-self:center;align-items:stretch;width:min(100%,860px);transform:none}.synced-activity-header{border-bottom:1.5px solid var(--line);width:100%;padding-bottom:24px}.synced-activity-header h2{letter-spacing:-.045em;margin:18px 0 0;font-size:clamp(2.2rem,4.6vw,4.25rem);font-weight:600;line-height:.98}.synced-activity-header .story-copy{max-width:620px}.synced-model-flow{flex-direction:column;align-items:center;width:min(100%,620px);margin:28px auto 0;display:flex}.whole-model-flow{width:min(100%,660px)}.number-model-flow{gap:24px}.number-form{flex-direction:column;align-items:center;width:100%;display:flex}.part-whole-board.synced-workshop{transform:none}.missing-part-workshop{background:var(--paper)}.missing-model-flow{margin-top:24px}.missing-model-flow .whole-label,.missing-model-flow .bridge-grid{width:100%}.board-task{background:var(--surface);width:100%;margin:0 0 24px}.model-reset-button{margin-top:12px}.whole-strip-title{font-family:var(--font-display);color:var(--ink)!important;margin:0 0 18px!important;font-size:1.25rem!important}.picture-instruction{text-align:center;flex-direction:column;align-items:center;margin:0 0 12px;display:flex}.picture-instruction strong{color:var(--blue-dark);font-family:var(--font-display);font-size:clamp(1.15rem,2.5vw,1.4rem);line-height:1.15}.picture-instruction span{color:var(--ink-soft);margin-top:6px;font-size:1.05rem;font-weight:800;line-height:1.4}.single-block-strip{border:3px solid var(--ink);background:var(--surface);border-radius:18px 8px;justify-content:center;align-items:center;gap:12px;width:100%;min-height:108px;padding:20px;display:flex}.part-blocks{justify-content:center;align-items:end;gap:4px;min-height:64px;display:flex}.part-blocks span{flex:0 31px;width:clamp(17px,3.6vw,31px)}.blue-part-blocks span{background:var(--blue)}.yellow-part-blocks span{background:var(--yellow)}.part-blocks.is-interactive{border:2px dashed var(--blue-dark);background:var(--yellow);border-radius:13px;min-width:44px;margin:-9px;padding:9px}@supports (color:color-mix(in lab, red, red)){.part-blocks.is-interactive{background:color-mix(in oklch, var(--yellow) 12%, var(--surface))}}.part-blocks.is-interactive{cursor:pointer;transition:transform .16s ease-out,background .16s ease-out}.part-blocks.is-interactive:hover{background:var(--yellow)}@supports (color:color-mix(in lab, red, red)){.part-blocks.is-interactive:hover{background:color-mix(in oklch, var(--yellow) 24%, var(--surface))}}.part-blocks.is-interactive:hover{transform:translateY(-2px)}.part-blocks.is-interactive:focus-visible{outline:4px solid var(--blue)}@supports (color:color-mix(in lab, red, red)){.part-blocks.is-interactive:focus-visible{outline:4px solid color-mix(in oklch, var(--blue) 55%, transparent)}}.part-blocks.is-interactive:focus-visible{outline-offset:3px}.single-block-strip.is-moved .blue-part-blocks span:last-child{animation:.36s cubic-bezier(.16,1,.3,1) block-arrive}@keyframes block-arrive{0%{opacity:.35;transform:translate(46px)rotate(6deg)}to{opacity:1;transform:translate(0)rotate(0)}}.part-divider{background:var(--ink);flex:none;width:3px;height:76px}.split-counts{grid-template-columns:1fr 1fr;width:100%;display:grid}.split-counts strong{font-family:var(--font-display);justify-content:center;align-items:baseline;gap:8px;padding:12px;font-size:1.7rem;display:flex}.split-counts strong+strong{border-left:1px solid var(--line)}.split-counts span{color:var(--ink-soft);font-family:var(--font-body);font-size:1rem;font-weight:900}.revealed-bond{flex-direction:column;align-items:center;display:flex}.revealed-bond>p{color:var(--ink-soft);margin:20px 0 -4px;font-size:1rem;font-weight:850}.number-bond{width:250px;height:170px;margin-top:18px;position:relative}.bond-node small{color:var(--ink-soft);font-family:var(--font-body);font-size:1rem;font-weight:950;display:block}.bond-node{z-index:2;border:2px solid var(--ink);background:var(--surface);width:78px;height:78px;font-family:var(--font-display);border-radius:50%;align-content:center;place-items:center;font-size:1.8rem;font-weight:600;display:grid;position:absolute}.bond-whole-node{background:var(--orange);top:0;left:86px}.bond-blue-node{background:var(--blue);color:var(--surface);bottom:0;left:20px}.bond-yellow-node{background:var(--yellow);bottom:0;right:20px}.bond-blue-node small{color:var(--surface)}@supports (color:color-mix(in lab, red, red)){.bond-blue-node small{color:color-mix(in oklch, var(--surface) 80%, transparent)}}.bond-line{z-index:1;background:var(--ink);width:96px;height:2px;position:absolute;top:70px}.bond-line-left{left:49px;transform:rotate(-48deg)}.bond-line-right{right:49px;transform:rotate(48deg)}.counter-controls{align-items:center;gap:14px;margin:30px 0 16px;display:flex}.counter-controls button{border:2px solid var(--ink);background:var(--yellow);cursor:pointer;border-radius:16px 8px;width:58px;height:58px;font-size:2rem;font-weight:900}.counter-controls button:disabled{opacity:.35;cursor:not-allowed}.counter-controls div{flex-direction:column;align-items:center;min-width:100px;display:flex}.counter-controls strong{font-family:var(--font-display);font-size:2rem;line-height:1}.counter-controls span{color:var(--ink-soft);font-size:1rem;font-weight:800}.check-button{background:var(--ink);color:var(--surface);text-align:center}.part-whole-board{border:2px solid var(--ink);background:var(--paper);border-radius:26px 10px;padding:clamp(25px,5vw,50px);transform:rotate(1deg)}.whole-label{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.whole-label span,.parts-labels span{color:var(--ink-soft);font-size:1rem;font-weight:900}.whole-label strong{font-family:var(--font-display);font-size:2rem}.bar-model{grid-template-columns:repeat(8,1fr);gap:4px;display:grid}.model-cell{aspect-ratio:.72;border:2px dashed var(--line);color:var(--ink-soft);font-family:var(--font-display);border-radius:7px;place-items:center;font-size:1.4rem;font-weight:600;display:grid}.blue-cell{border-style:solid;border-color:var(--ink);background:var(--blue)}.yellow-cell{border-style:solid;border-color:var(--ink);background:var(--yellow)}.parts-labels{grid-template-columns:5fr 3fr;gap:10px;margin-top:14px;display:grid}.parts-labels span:last-child{text-align:right}.equation,.transfer-equation{font-family:var(--font-display);align-items:center;gap:clamp(9px,2vw,20px);margin:34px 0 25px;font-size:clamp(2.8rem,6vw,5rem);font-weight:600;display:flex}.equation i,.transfer-equation i{color:var(--ink-soft);font-family:var(--font-body);font-size:.55em;font-style:normal}.equation span,.transfer-equation span{border:2px solid var(--ink);background:var(--surface);border-radius:18px 9px;place-items:center;min-width:74px;height:84px;display:grid}.equation .unknown-number{background:var(--yellow);border-style:dashed}.choice-label{margin:0 0 12px}.number-choices{gap:12px;display:flex}.number-choices button{border:2px solid var(--ink);background:var(--surface);width:64px;height:64px;font-family:var(--font-display);cursor:pointer;border-radius:17px 8px;font-size:1.6rem;font-weight:600}.number-choices button.is-correct{background:var(--green);color:var(--surface)}.number-choices button.is-wrong{background:var(--orange)}@supports (color:color-mix(in lab, red, red)){.number-choices button.is-wrong{background:color-mix(in oklch, var(--orange) 35%, var(--surface))}}.model-summary{flex-direction:column;align-items:center;display:flex;transform:rotate(2deg)}.summary-whole{border:3px solid var(--ink);background:var(--orange);width:190px;height:96px;font-family:var(--font-display);border-radius:22px 22px 8px 8px;place-items:center;font-size:3rem;font-weight:600;display:grid}.summary-parts{grid-template-columns:5fr 3fr;width:310px;display:grid}.summary-parts span{border:3px solid var(--ink);background:var(--blue);height:110px;color:var(--surface);font-family:var(--font-display);border-top:0;place-items:center;font-size:2.7rem;font-weight:600;display:grid}.summary-parts span:first-child{border-radius:0 0 8px 22px}.summary-parts span:last-child{background:var(--yellow);color:var(--ink);border-left:0;border-radius:0 0 22px 8px}.model-summary p{color:var(--ink-soft);font-weight:850}.speak-prompt{border-left:5px solid var(--yellow);background:var(--paper);gap:14px;margin:30px 0;padding:18px 22px;display:flex}.speak-prompt>span{font-family:var(--font-display);font-size:3rem;line-height:.8}.speak-prompt p{margin:0;font-size:1.05rem;font-weight:800;line-height:1.5}.explain-visual{font-family:var(--font-display);justify-content:center;align-items:center;gap:12px;font-size:2rem;font-weight:600;display:flex;transform:rotate(-2deg)}.thought-tile{border:3px solid var(--ink);border-radius:25px 12px;place-items:center;width:clamp(76px,10vw,112px);height:clamp(76px,10vw,112px);font-size:2.8rem;display:grid}.blue-thought{background:var(--blue);color:var(--surface)}.yellow-thought{background:var(--yellow)}.whole-thought{background:var(--orange)}.fruit-model{grid-template-columns:repeat(9,minmax(32px,48px));gap:6px;margin:28px 0;display:grid}.fruit-model>span,.fruit-model>button{aspect-ratio:1;border:2px solid var(--ink);border-radius:50% 50% 42% 42%;place-items:center;font-size:1.35rem;display:grid}.fruit-model>button{width:100%;color:var(--ink);cursor:pointer;padding:0;font-family:inherit;transition:transform .16s ease-out,box-shadow .16s ease-out}.fruit-model>button:hover{box-shadow:0 5px 0 var(--shadow);transform:translateY(-3px)}.strawberry{background:var(--red);color:var(--surface)}@supports (color:color-mix(in lab, red, red)){.strawberry{color:color-mix(in oklch, var(--surface) 88%, transparent)}}.fruit-empty{color:var(--ink-soft);border-style:dashed!important}.transfer-equation{justify-content:center;transform:rotate(2deg)}.transfer-equation span:nth-of-type(2){background:var(--yellow);border-style:dashed}.lesson-actions{border-top:1px solid var(--line);background:var(--paper);justify-content:space-between;align-items:center;gap:20px;padding:18px clamp(22px,5vw,62px);display:flex}.lesson-actions button,.restart-button{border:2px solid var(--ink);cursor:pointer;border-radius:14px 7px;min-height:52px;padding:12px 22px;font-weight:900}.back-button{background:0 0}.continue-button{background:var(--blue);color:var(--surface);box-shadow:5px 5px 0 var(--blue-dark)}@supports (color:color-mix(in lab, red, red)){.continue-button{box-shadow:5px 5px 0 color-mix(in oklch, var(--blue-dark) 42%, transparent)}}.lesson-actions button:disabled{opacity:.32;box-shadow:none;cursor:not-allowed}.completion-panel{padding:clamp(36px,6vw,72px)}.completion-panel h2{max-width:870px}.completion-grid{background:var(--ink);border:2px solid var(--ink);grid-template-columns:1fr 1fr;gap:2px;margin:42px 0 30px;display:grid}.completion-grid section{background:var(--surface);padding:clamp(24px,4vw,42px)}.completion-grid h3{margin:0;font-size:1.65rem}.completion-grid p:not(.mini-label){color:var(--ink-soft);line-height:1.65}.parent-note{flex-direction:column;gap:12px;display:flex}.parent-note label{align-items:flex-start;gap:10px;font-weight:750;line-height:1.4;display:flex}.parent-note input{width:20px;height:20px;accent-color:var(--green);flex:none}.parent-note small{color:var(--ink-soft);margin-top:5px}.restart-button{background:var(--yellow);text-align:center}footer{border-top:1px solid var(--line);color:var(--ink-soft);justify-content:space-between;gap:24px;padding:28px 0 42px;font-size:.8rem;display:flex}footer p{margin:0}.skip-link{z-index:100;border:2px solid var(--ink);background:var(--yellow);border-radius:8px;padding:10px 14px;font-weight:900;position:fixed;top:-100px;left:10px}.skip-link:focus-visible{top:10px}.step-heading-row{justify-content:space-between;align-items:center;gap:16px;display:flex}.step-heading-row .step-kicker{margin-bottom:0}.listen-button{border:2px solid var(--ink);background:var(--surface);min-height:44px;color:var(--blue-dark);cursor:pointer;border-radius:999px;align-items:center;gap:7px;padding:8px 13px;font-size:1rem;font-weight:900;display:inline-flex}.listen-button:hover{background:var(--blue)}@supports (color:color-mix(in lab, red, red)){.listen-button:hover{background:color-mix(in oklch, var(--blue) 12%, var(--surface))}}.active-task{border:1.5px solid var(--line);background:var(--paper);border-radius:16px 8px;margin-top:22px;padding:18px}.active-task .do-now{color:var(--blue-dark);margin:0 0 8px;font-size:1rem;font-weight:950}.active-task h3{margin:0;font-size:1.35rem;line-height:1.25}.active-task>p:not(.do-now){color:var(--ink-soft);margin:8px 0 0;font-size:1rem;line-height:1.5}.completed-task{border-left:4px solid var(--green);background:var(--green);align-items:flex-start;gap:10px;margin-top:14px;padding:11px 13px;display:flex}@supports (color:color-mix(in lab, red, red)){.completed-task{background:color-mix(in oklch, var(--green) 9%, var(--surface))}}.completed-task>span{border:2px solid var(--ink);background:var(--green);width:30px;height:30px;color:var(--surface);border-radius:50%;flex:none;place-items:center;font-weight:950;display:grid}.completed-task p{color:var(--ink-soft);margin:2px 0 0;font-size:1rem;line-height:1.5}.completed-task strong{color:var(--ink)}.synced-success{width:100%;margin:0 0 12px}.transfer-success{margin-top:22px;padding-block:16px}.change-model-button{color:var(--blue-dark);font-size:inherit;cursor:pointer;background:0 0;border:0;border-bottom:1px solid;margin-left:5px;padding:0;font-weight:900}.transfer-process{border:1.5px solid var(--line);border-radius:12px 6px;grid-template-columns:repeat(3,1fr);margin:20px 0 0;display:grid;overflow:hidden}.transfer-process span{min-height:58px;color:var(--ink-soft);text-align:center;place-items:center;padding:10px;font-size:1rem;font-weight:900;line-height:1.25;display:grid}.transfer-process span+span{border-left:1px solid var(--line)}.transfer-process .is-current{background:var(--yellow);color:var(--ink)}.transfer-process .is-done{background:var(--green)}@supports (color:color-mix(in lab, red, red)){.transfer-process .is-done{background:color-mix(in oklch, var(--green) 11%, var(--surface))}}.transfer-process .is-done{color:var(--green)}@supports (color:color-mix(in lab, red, red)){.transfer-process .is-done{color:color-mix(in oklch, var(--green) 70%, var(--ink))}}.role-choices{grid-template-columns:1fr 1fr;gap:9px;margin-top:13px;display:grid}.role-choices button,.checkpoint-button{border:2px solid var(--ink);background:var(--surface);text-align:left;cursor:pointer;border-radius:12px 6px;align-items:center;gap:9px;min-height:52px;padding:9px 12px;font-size:1.05rem;font-weight:850;display:flex}.selection-tick{background:var(--green);width:24px;height:24px;color:var(--surface);border-radius:50%;flex:none;place-items:center;margin-left:auto;font-weight:950;display:grid}.selection-tick:empty{background:0 0}.checkpoint-button{width:100%;margin-top:13px}.role-choices button.is-selected,.checkpoint-button.is-selected{background:var(--green)}@supports (color:color-mix(in lab, red, red)){.role-choices button.is-selected,.checkpoint-button.is-selected{background:color-mix(in oklch, var(--green) 22%, var(--surface))}}.role-choices button:disabled,.checkpoint-button:disabled{opacity:.42;cursor:not-allowed}.role-icon{border:2px solid var(--ink);width:38px;height:38px;font-family:var(--font-display);border-radius:9px 4px;flex:none;place-items:center;font-size:1.1rem;font-weight:600;display:grid}.whole-icon{background:var(--surface);box-shadow:inset 0 0 0 3px var(--ink);border-radius:50%}@supports (color:color-mix(in lab, red, red)){.whole-icon{box-shadow:inset 0 0 0 3px color-mix(in oklch, var(--ink) 8%, transparent)}}.blue-icon{background:var(--blue);color:var(--surface)}.missing-icon{background:var(--paper);border-style:dashed}.strawberry-icon{background:var(--red);color:var(--surface);border-radius:50%}.yellow-tile{background:var(--yellow)}.bridge-legend,.fruit-legend{z-index:2;color:var(--ink-soft);flex-wrap:wrap;justify-content:center;gap:12px 18px;margin-top:22px;font-size:1rem;font-weight:850;display:flex;position:relative}.legend-swatch,.strawberry-dot,.banana-dot{border:1px solid var(--ink);vertical-align:-2px;width:13px;height:13px;margin-right:5px;display:inline-block}.blue-swatch{background:var(--blue)}.missing-swatch{background:0 0;border-style:dashed}.strawberry-dot,.banana-dot{background:var(--red);border-radius:50%}.banana-dot{background:var(--yellow);border-radius:3px;transform:rotate(45deg)}.grown-up-help{border-top:1px solid var(--line);margin-top:22px}.grown-up-help summary{min-height:50px;color:var(--blue-dark);cursor:pointer;padding:14px 2px;font-size:1rem;font-weight:900}.grown-up-help-body{border:1px solid var(--line);background:var(--blue);border-radius:12px;padding:16px 18px}@supports (color:color-mix(in lab, red, red)){.grown-up-help-body{background:color-mix(in oklch, var(--blue) 6%, var(--surface))}}.grown-up-help-body p{color:var(--ink-soft);margin:0 0 12px;font-size:1rem;line-height:1.55}.grown-up-help-body strong{color:var(--ink)}.grown-up-help-body .do-not-say{border-left:4px solid var(--orange);background:var(--surface);margin:14px -5px 0;padding:10px 12px}.bar-explainer{text-align:center;grid-template-columns:5fr 3fr;margin-top:14px;font-size:1rem;font-weight:900;display:grid}.bar-explainer span{border:1px solid var(--ink);background:var(--blue);color:var(--surface);padding:6px}.bar-explainer span:nth-child(2){background:var(--yellow);color:var(--ink);border-left:0}.bar-explainer strong{border:1px solid var(--ink);background:var(--surface);border-top:0;grid-column:1/-1;padding:6px}.hands-on-option{border:2px dashed var(--blue);background:var(--blue);border-radius:14px;align-items:flex-start;gap:12px;margin-top:24px;padding:14px 16px;display:flex}@supports (color:color-mix(in lab, red, red)){.hands-on-option{background:color-mix(in oklch, var(--blue) 7%, var(--surface))}}.hands-on-option>span{font-size:1.5rem}.hands-on-option p{color:var(--ink-soft);margin:3px 0 0;font-size:.82rem;line-height:1.45}.board-caption{color:var(--ink-soft);text-align:center;margin:18px 0 0;font-size:1rem;font-weight:850}.number-box{background:var(--yellow);width:74px;height:84px;color:var(--ink);font-family:var(--font-display);text-align:center;border:0;border-radius:16px 8px;font-size:clamp(2.8rem,6vw,5rem);font-weight:600}.equation label{border:2px dashed var(--ink);background:var(--yellow);border-radius:18px 9px;place-items:center;min-width:74px;height:84px;display:grid;overflow:hidden}.equation label .number-box{width:100%;height:100%}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.summary-whole,.summary-parts span{position:relative}.summary-whole small,.summary-parts small{font-family:var(--font-body);font-size:1rem;font-weight:900;position:absolute;top:8px;left:10px}.explain-board{border:2px solid var(--ink);background:var(--surface);border-radius:38px 14px;align-content:center;place-items:center;gap:28px;width:min(100%,660px);min-height:330px;margin:28px auto 0;padding:34px;display:grid;position:relative}.board-instruction{color:var(--blue-dark);text-align:center;margin:0;font-size:1.15rem;font-weight:950}.explain-bar{grid-template-columns:5fr 3fr;width:min(100%,420px);display:grid}.explain-bar button{border:3px solid var(--ink);min-height:120px;font-family:var(--font-display);cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:8px;padding:16px 10px;font-size:1.2rem;font-weight:600;display:flex;position:relative}.explain-bar button:first-child{border-radius:18px 0 0 8px}.explain-bar button:last-child{border-left:0;border-radius:0 18px 8px 0}.explain-bar button:disabled{cursor:default}.explain-blue{background:var(--blue);color:var(--surface)}.explain-yellow{background:var(--yellow)}.explain-bar button.is-chosen{outline:6px solid var(--green)}@supports (color:color-mix(in lab, red, red)){.explain-bar button.is-chosen{outline:6px solid color-mix(in oklch, var(--green) 55%, transparent)}}.explain-bar button.is-chosen{outline-offset:4px}.label-chip{border:2px solid var(--ink);background:var(--surface);color:var(--ink);font-family:var(--font-body);border-radius:999px;padding:7px 9px;font-size:1rem;font-weight:950}.explain-equation{border:2px solid var(--ink);background:var(--surface);font-family:var(--font-display);border-radius:12px;align-items:center;gap:8px;padding:10px 18px;font-size:2rem;font-weight:600;display:flex}.explain-equation button{border:2px dashed var(--ink);background:var(--yellow);min-width:48px;min-height:48px;font-family:inherit;font-size:inherit;font-weight:inherit;cursor:pointer;border-radius:8px}.explain-equation button:disabled{opacity:.42;cursor:not-allowed}.explain-equation button.is-matched{background:var(--green);color:var(--surface);border-style:solid}.transfer-small{margin-top:26px}.fruit-board{border:2px solid var(--ink);background:var(--orange);border-radius:50px 16px;padding:clamp(28px,5vw,50px)}@supports (color:color-mix(in lab, red, red)){.fruit-board{background:color-mix(in oklch, var(--orange) 10%, var(--paper))}}.fruit-board{transform:rotate(-1deg)}.fruit-board.transfer-workshop{transform:none}.transfer-model-flow{width:min(100%,680px)}.fruit-tray-heading{justify-content:space-between;align-items:baseline;gap:18px;width:min(100%,420px);margin:8px 0 16px;display:flex}.fruit-tray-heading strong{font-family:var(--font-display);font-size:1.4rem}.fruit-tray-heading span{color:var(--ink-soft);font-size:1rem;font-weight:850}.fruit-board .fruit-model{grid-template-columns:repeat(3,minmax(64px,1fr));justify-content:center;width:min(100%,420px);margin:0}.banana{background:var(--yellow);border-radius:9px!important}.fruit-board .fruit-legend{justify-content:flex-start}.worksheet-link{color:var(--blue-dark);text-underline-offset:3px;margin-top:12px;font-weight:950;display:inline-flex}.action-status{color:var(--ink-soft);text-align:center;font-size:1rem;font-weight:800}.worksheet-page{background:#e8e6df;min-height:100svh;padding:28px}.worksheet-toolbar{justify-content:space-between;align-items:center;gap:20px;width:min(900px,100%);margin:0 auto 18px;display:flex}.worksheet-toolbar a{text-underline-offset:3px;font-weight:900}.print-button{border:2px solid var(--ink);background:var(--blue);min-height:46px;color:var(--surface);cursor:pointer;border-radius:12px 6px;padding:10px 16px;font-weight:900}.worksheet-sheet{color:#172033;background:#fff;width:min(900px,100%);margin:auto;padding:42px;box-shadow:0 12px 50px #1e283c24}.worksheet-title{border-bottom:3px solid #172033;justify-content:space-between;align-items:end;gap:30px;padding-bottom:24px;display:flex}.worksheet-title p{color:#265b9e;letter-spacing:.1em;text-transform:uppercase;margin:0 0 6px;font-size:.72rem;font-weight:900}.worksheet-title h1{margin:0;font-size:2.8rem;line-height:1}.worksheet-title>div>span{margin-top:8px;font-size:.82rem;font-weight:800;display:block}.worksheet-name{align-items:end;gap:8px;min-width:210px;font-weight:900;display:flex}.worksheet-name span{border-bottom:1.5px solid #172033;flex:1;height:28px}.worksheet-intro-grid{border:1.5px solid #172033;grid-template-columns:1fr 1.35fr 1.2fr;margin:22px 0 28px;display:grid}.worksheet-intro-grid>div{padding:12px 14px}.worksheet-intro-grid>div+div{border-left:1px solid #8a8f98}.worksheet-intro-grid strong{text-transform:uppercase;letter-spacing:.06em;font-size:.72rem}.worksheet-intro-grid p{margin:4px 0 0;font-size:.78rem;line-height:1.35}.worksheet-task{break-inside:avoid;border:1.5px solid #172033;margin-top:24px;padding:20px 20px 22px 58px;position:relative}.worksheet-step{border:2px solid #172033;border-radius:50%;place-items:center;width:27px;height:27px;font-weight:900;display:grid;position:absolute;top:18px;left:16px}.worksheet-task-copy h2,.worksheet-reflection h2{font-family:var(--font-display);margin:0;font-size:1.3rem}.worksheet-task-copy p{margin:6px 0 18px;font-size:.9rem;line-height:1.45}.worksheet-bridge,.worksheet-fruit,.worksheet-blocks{gap:5px;display:flex}.worksheet-blocks{flex:1}.worksheet-bridge>span,.worksheet-blocks>span,.worksheet-fruit>span{min-width:52px;height:58px;font-family:var(--font-display);border:2px dashed #6d7480;flex:1;place-items:center;font-weight:600;display:grid}.worksheet-bridge>.printed-block{background:#d9dce1;border-style:solid}.worksheet-fruit>span:not(.worksheet-blocks){border-style:solid;border-radius:50%;font-size:1.2rem}.worksheet-split-row{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:18px;display:grid}.worksheet-split-row+.worksheet-split-row{margin-top:13px}.worksheet-seven-blocks{grid-template-columns:repeat(7,1fr);gap:4px;display:grid}.worksheet-seven-blocks span{border:1.5px solid #172033;height:44px}.worksheet-mini-bond{font-family:var(--font-display);align-items:center;gap:6px;font-size:1.15rem;display:flex}.worksheet-mini-bond i{border:1.5px dashed #172033;width:30px;height:30px;display:block}.worksheet-mini-bond b{font-family:var(--font-body);font-size:.85rem}.worksheet-mini-bond strong{border:1.5px solid #172033;place-items:center;width:30px;height:30px;display:grid}.worksheet-bond{text-align:center;width:360px;margin:10px auto 20px}.bond-whole{height:55px;font-family:var(--font-display);border:2px solid #172033;place-items:center;font-size:1.7rem;font-weight:600;display:grid;position:relative}.bond-parts{grid-template-columns:5fr 3fr;display:grid}.bond-parts span{height:64px;font-family:var(--font-display);border:2px solid #172033;border-top:0;place-items:center;font-size:1.5rem;font-weight:600;display:grid;position:relative}.bond-parts span+span{border-left:0}.bond-whole small,.bond-parts small{font-family:var(--font-body);text-transform:uppercase;font-size:.55rem;font-weight:900;position:absolute;top:4px;left:6px}.worksheet-equation{font-family:var(--font-display);justify-content:center;align-items:center;gap:12px;font-size:1.8rem;font-weight:600;display:flex}.worksheet-equation span,.worksheet-equation i{border:1.5px solid #172033;place-items:center;width:44px;height:44px;font-style:normal;display:grid}.worksheet-equation i{border-style:dashed}.worksheet-equation b{font-family:var(--font-body);font-size:1.2rem}.worksheet-sentence{text-align:center;font-size:.9rem}.worksheet-sentence i{border-bottom:1.5px solid #172033;width:45px;display:inline-block}.drawing-space{border:1.5px dashed #8a8f98;height:145px;padding:10px}.drawing-space span{color:#6d7480;text-transform:uppercase;font-size:.7rem;font-weight:900}.worksheet-reflection{break-inside:avoid;border:1.5px solid #172033;flex-wrap:wrap;align-items:center;gap:18px;margin-top:24px;padding:16px 20px;display:flex}.worksheet-reflection h2{margin-right:auto}.worksheet-reflection label{align-items:center;gap:6px;font-size:.8rem;font-weight:800;display:flex}.worksheet-reflection i{border:1.5px solid #172033;width:18px;height:18px;display:block}.worksheet-grownup{break-inside:avoid;background:#eceef1;border-left:5px solid #172033;margin-top:18px;padding:12px 15px}.worksheet-grownup strong{text-transform:uppercase;letter-spacing:.06em;font-size:.75rem}.worksheet-grownup p{margin:5px 0 0;font-size:.75rem;line-height:1.4}.about-page{--about-width:min(1180px, calc(100% - 40px))}.about-page .site-header,.about-hero,.mission-ribbon,.origin-story,.team-section,.beliefs-section,.about-closing,.about-page footer{width:var(--about-width)}.about-hero{grid-template-columns:minmax(0,.84fr) minmax(540px,1.16fr);align-items:center;gap:clamp(36px,5vw,76px);min-height:720px;margin:0 auto;padding:clamp(45px,7vw,94px) 0 clamp(70px,9vw,110px);display:grid}.about-hero-copy{z-index:3;position:relative}.about-hero h1{max-width:640px;font-size:clamp(4.2rem,7vw,7.8rem)}.about-hero-copy>p:not(.eyebrow){max-width:560px;color:var(--ink-soft);margin:28px 0 0;font-size:clamp(1.05rem,1.6vw,1.28rem);line-height:1.65}.about-cta{border:2px solid var(--ink);background:var(--blue);width:fit-content;color:var(--surface);box-shadow:6px 6px 0 var(--shadow);border-radius:14px 7px;align-items:center;gap:18px;margin-top:32px;padding:14px 18px;font-weight:900;text-decoration:none;transition:transform .16s ease-out,box-shadow .16s ease-out;display:inline-flex}.about-cta:hover{box-shadow:9px 9px 0 var(--shadow);transform:translate(-2px,-2px)}.about-cta span{font-size:1.35rem;line-height:1}.character-workbench{isolation:isolate;min-height:620px;position:relative}.character-workbench:before{content:"";z-index:-2;border:2px solid var(--ink);background:var(--yellow);box-shadow:16px 16px 0 var(--shadow);border-radius:70px 20px;position:absolute;inset:5% 0 1% 3%;transform:rotate(1.5deg)}.workbench-grid{z-index:-1;opacity:.22;background-image:linear-gradient(var(--ink) 1px, transparent 1px), linear-gradient(90deg, var(--ink) 1px, transparent 1px);background-size:30px 30px;position:absolute;inset:8% 3% 4% 7%;-webkit-mask-image:linear-gradient(#000 65%,#0000);mask-image:linear-gradient(#000 65%,#0000)}.hero-character{border:2px solid var(--ink);box-shadow:8px 8px 0 var(--ink);background:#f7f0df;margin:0;position:absolute;overflow:hidden}@supports (color:color-mix(in lab, red, red)){.hero-character{box-shadow:8px 8px 0 color-mix(in oklch, var(--ink) 13%, transparent)}}.hero-character img{object-fit:cover;width:100%;height:100%;display:block}.hero-character figcaption{border:1.5px solid var(--ink);background:var(--surface);border-radius:999px;padding:6px 10px;font-size:.72rem;font-weight:950;position:absolute;bottom:10px;left:10px}.hero-tanuja{z-index:2;border-radius:46px 16px 42px 14px;width:48%;height:76%;bottom:5%;left:6%;transform:rotate(-3deg)}.hero-tanuja img{object-position:50% 23%}.hero-rish{z-index:1;border-radius:18px 42px 16px;width:41%;height:60%;top:7%;right:7%;transform:rotate(3deg)}.hero-rish img{object-position:52% 26%}.hero-jett{z-index:4;border-radius:38px 14px;width:34%;height:54%;bottom:2%;right:13%;transform:rotate(-1deg)}.hero-jett img{object-position:50% 42%}.workbench-note{z-index:5;border:2px solid var(--ink);background:var(--surface);font-family:var(--font-display);letter-spacing:.08em;box-shadow:4px 4px 0 var(--shadow);padding:8px 12px;font-size:.78rem;font-weight:600;position:absolute}.note-one{top:2%;left:2%;transform:rotate(-7deg)}.note-two{background:var(--orange);bottom:12%;right:0;transform:rotate(7deg)}.mission-ribbon{border-top:2px solid var(--ink);border-bottom:2px solid var(--ink);background:var(--surface);grid-template-columns:repeat(9,auto);justify-content:space-between;align-items:center;margin:0 auto;display:grid}.mission-ribbon p{font-family:var(--font-display);margin:0;padding:17px clamp(6px,1.7vw,20px);font-size:clamp(.8rem,1.4vw,1rem);font-weight:600}.mission-ribbon span{color:var(--orange);font-weight:950}.origin-story{grid-template-columns:minmax(0,.82fr) minmax(360px,.72fr);gap:clamp(55px,10vw,150px);margin:0 auto;padding:clamp(90px,12vw,160px) 0;display:grid}.origin-heading h2,.section-heading-row h2,.beliefs-intro h2,.about-closing h2{letter-spacing:-.052em;margin:0;font-size:clamp(3rem,5.5vw,5.8rem);font-weight:600;line-height:.96}.origin-copy{padding-top:34px}.origin-copy p{color:var(--ink-soft);margin:0 0 24px;font-size:1.05rem;line-height:1.75}.origin-copy .origin-emphasis{border-left:6px solid var(--yellow);color:var(--ink);margin-top:40px;padding:20px 0 20px 22px;font-size:1.15rem;font-weight:850}.team-section{border-top:2px solid var(--ink);margin:0 auto;padding:clamp(75px,10vw,130px) 0}.section-heading-row{justify-content:space-between;align-items:end;gap:60px;margin-bottom:clamp(65px,9vw,110px);display:flex}.section-heading-row>p{width:min(360px,34%);color:var(--ink-soft);margin:0 0 6px;line-height:1.65}.team-story{grid-template-columns:minmax(360px,.85fr) minmax(0,1.15fr);align-items:center;gap:clamp(45px,9vw,130px);min-height:560px;display:grid}.team-story+.team-story{margin-top:clamp(70px,10vw,130px)}.team-portrait{border:2px solid var(--ink);height:580px;box-shadow:14px 14px 0 var(--shadow);background:#f7f0df;border-radius:56px 18px;overflow:hidden;transform:rotate(-1.5deg)}.team-story-rish .team-portrait{border-radius:18px 56px;transform:rotate(1.5deg)}.team-story-jett .team-portrait{background:var(--blue)}@supports (color:color-mix(in lab, red, red)){.team-story-jett .team-portrait{background:color-mix(in oklch, var(--blue) 10%, #f7f0df)}}.team-portrait img{object-fit:cover;object-position:50% 24%;width:100%;height:100%}.team-story-jett .team-portrait img{object-position:50% 45%}.team-copy{max-width:590px}.team-role{color:var(--blue-dark);letter-spacing:.11em;text-transform:uppercase;margin:0 0 13px;font-size:.76rem;font-weight:950}.team-copy h3{letter-spacing:-.045em;margin:0;font-size:clamp(2.7rem,4.7vw,4.8rem);font-weight:600}.team-copy>p:not(.team-role){color:var(--ink-soft);margin:23px 0 0;font-size:1.05rem;line-height:1.7}.team-copy .team-detail{border-left:4px solid var(--orange);padding-left:18px;font-size:.95rem}.education-badge{border:2px solid var(--ink);background:var(--surface);border-radius:10px 4px;grid-template-columns:auto auto;align-items:center;column-gap:11px;width:fit-content;margin-top:30px;padding:12px 16px;display:grid;transform:rotate(-1deg)}.education-badge span{color:var(--ink-soft);text-transform:uppercase;writing-mode:vertical-rl;grid-row:span 2;font-size:.7rem;font-weight:900;transform:rotate(180deg)}.education-badge strong{color:#bb0916;color:lab(39.9824% 63.1491 46.7224);font-family:var(--font-display);font-size:1.55rem;line-height:1}.education-badge small{color:var(--ink-soft);font-size:.62rem;font-weight:800}.purdue-badge{transform:rotate(1deg)}.purdue-badge strong{color:#3a2e1b;color:lab(20.0045% 3.01768 14.2233)}.team-copy blockquote{border:2px solid var(--ink);background:var(--yellow);width:fit-content;font-family:var(--font-display);border-radius:16px 6px;margin:34px 0 0;padding:17px 21px;font-size:1.3rem;font-weight:600;transform:rotate(-1.5deg)}.beliefs-section{border-top:2px solid var(--ink);grid-template-columns:minmax(300px,.72fr) minmax(0,1fr);gap:clamp(50px,9vw,130px);margin:0 auto;padding:clamp(80px,11vw,145px) 0;display:grid}.beliefs-intro{align-self:start;position:sticky;top:35px}.belief-list article{border-top:1px solid var(--line);grid-template-columns:52px minmax(180px,.7fr) minmax(220px,1fr);align-items:baseline;gap:24px;padding:32px 0;display:grid}.belief-list article:first-child{border-top:2px solid var(--ink)}.belief-list article>span{color:var(--orange);font-family:var(--font-display);font-size:1.1rem;font-weight:600}.belief-list h3{margin:0;font-size:1.5rem;line-height:1.1}.belief-list p{color:var(--ink-soft);margin:0;line-height:1.65}.about-closing{border:2px solid var(--ink);background:var(--yellow);box-shadow:16px 16px 0 var(--shadow);text-align:center;border-radius:52px 16px;margin:0 auto clamp(75px,10vw,120px);padding:clamp(55px,9vw,100px)}.about-closing h2{max-width:900px;margin-inline:auto}.about-closing>p:not(.eyebrow){max-width:620px;color:var(--ink-soft);margin:24px auto 0;font-size:1.1rem}.closing-cta{background:var(--ink);margin-inline:auto}.about-page footer p:last-child{text-align:right;max-width:680px}.one-action-workshop{background:var(--yellow);min-height:650px;padding:clamp(28px,5vw,54px)}@supports (color:color-mix(in lab, red, red)){.one-action-workshop{background:color-mix(in oklch, var(--yellow) 7%, var(--paper))}}.one-action-flow{justify-content:center;width:min(100%,720px);min-height:430px;margin-top:22px}.current-action{border:2px solid var(--ink);background:var(--yellow);width:100%;box-shadow:5px 5px 0 var(--shadow);border-radius:18px 8px;margin:0 0 28px;padding:18px 22px}.current-action .one-action-label{color:var(--ink);letter-spacing:.07em;text-transform:uppercase;margin:0 0 8px;font-size:1rem;font-weight:950}.current-action strong{color:var(--ink);font-size:clamp(1.45rem,3vw,2rem);line-height:1.15}.current-action span:last-child{color:var(--ink-soft);margin-top:8px;font-size:1.125rem}.one-action-flow .synced-success{margin-bottom:28px}.large-bridge-grid{width:min(100%,680px);margin:26px auto 8px}.large-bridge-grid .bridge-tile{min-height:92px;font-size:1.35rem}.next-space{outline:6px solid var(--yellow)}@supports (color:color-mix(in lab, red, red)){.next-space{outline:6px solid color-mix(in oklch, var(--yellow) 55%, transparent)}}.next-space{outline-offset:4px;animation:1.5s ease-in-out infinite next-action-pulse}@keyframes next-action-pulse{0%,to{box-shadow:0 0 0 0 color-mix(in oklch, var(--yellow) 35%, transparent)}50%{box-shadow:0 0 0 9px color-mix(in oklch, var(--yellow) 8%, transparent)}}.clue-story{border:2px solid var(--ink);background:var(--surface);border-radius:26px 10px;width:min(100%,680px);padding:clamp(22px,4vw,34px)}.clue-story>p{color:var(--ink-soft);text-align:center;margin:0;font-size:1.25rem;font-weight:850;line-height:1.5}.clue-story>p+.clue-buttons{margin-top:16px}.clue-buttons{grid-template-columns:1fr auto 1.25fr;align-items:center;gap:12px;margin:14px 0;display:grid}.clue-buttons button{border:3px solid var(--ink);background:var(--paper);min-height:108px;color:var(--ink);cursor:pointer;border-radius:18px 8px;flex-direction:column;justify-content:center;align-items:center;padding:14px;transition:transform .16s ease-out,background .16s ease-out;display:flex}.clue-buttons button:hover{transform:translateY(-3px)}.clue-buttons button:focus-visible{outline:5px solid var(--blue)}@supports (color:color-mix(in lab, red, red)){.clue-buttons button:focus-visible{outline:5px solid color-mix(in oklch, var(--blue) 50%, transparent)}}.clue-buttons button:focus-visible{outline-offset:4px}.clue-buttons button.is-correct{background:var(--green)}@supports (color:color-mix(in lab, red, red)){.clue-buttons button.is-correct{background:color-mix(in oklch, var(--green) 22%, var(--surface))}}.clue-buttons strong{font-family:var(--font-display);font-size:2.45rem;font-weight:600;line-height:1}.clue-buttons span:not(.clue-join){text-align:center;margin-top:8px;font-size:1.05rem;font-weight:850;line-height:1.25}.clue-join{color:var(--ink-soft);font-size:1.05rem;font-weight:900}.compact-model-summary{width:min(100%,360px);margin:4px auto 22px;transform:none}.compact-model-summary .summary-whole{width:100%;height:82px}.compact-model-summary .summary-parts{width:100%}.compact-model-summary .summary-parts span{height:86px}.tap-equation{font-family:var(--font-display);justify-content:center;align-items:center;gap:clamp(10px,2vw,20px);margin:20px 0;font-size:clamp(2.6rem,6vw,4.5rem);font-weight:600;display:flex}.tap-equation i{color:var(--ink-soft);font-family:var(--font-body);font-size:.52em;font-style:normal}.tap-equation span{border:2px solid var(--ink);background:var(--surface);border-radius:17px 8px;place-items:center;min-width:74px;min-height:78px;display:grid}.tap-equation .unknown-number{background:var(--yellow);border-style:dashed}.answer-choices{justify-content:center;gap:16px;display:flex}.answer-choices button{border:3px solid var(--ink);background:var(--surface);width:78px;height:78px;color:var(--ink);font-family:var(--font-display);cursor:pointer;border-radius:20px 9px;font-size:2rem;font-weight:600;transition:transform .16s ease-out,background .16s ease-out}.answer-choices button:hover{transform:translateY(-3px)}.answer-choices button.is-correct{background:var(--green);color:var(--surface)}.answer-choices button.is-wrong{background:var(--orange)}@supports (color:color-mix(in lab, red, red)){.answer-choices button.is-wrong{background:color-mix(in oklch, var(--orange) 28%, var(--surface))}}.meaning-equation{font-family:var(--font-display);margin-bottom:28px;font-size:clamp(2.8rem,6vw,4.7rem);font-weight:600}.meaning-equation strong{border:3px solid var(--ink);background:var(--yellow);border-radius:16px 7px;padding:4px 14px}.one-tap-explain{grid-template-columns:5fr 3fr;width:min(100%,560px)}.one-tap-explain button{min-height:150px;font-size:1.35rem}.large-fruit-model{grid-template-columns:repeat(9,minmax(44px,1fr));width:min(100%,700px);margin:28px auto}.large-fruit-model>span,.large-fruit-model>button{min-height:62px;font-size:1.5rem}@media (max-width:960px){.about-hero{grid-template-columns:1fr;min-height:0}.about-hero-copy{max-width:760px}.character-workbench{min-height:690px}.origin-story{grid-template-columns:1fr;gap:15px}.origin-copy{justify-self:end;max-width:690px}.beliefs-section{grid-template-columns:1fr}.beliefs-intro{max-width:700px;position:static}}@media (max-width:760px){.about-page{--about-width:min(100% - 26px, 1180px)}.site-header{flex-wrap:wrap;align-items:flex-start;padding-block:18px}.site-nav{border-radius:18px;grid-template-columns:repeat(3,minmax(0,1fr));width:100%;display:grid}.site-nav a{text-align:center;padding:11px 8px;font-size:1rem}.about-hero{padding-top:50px}.about-hero h1{font-size:clamp(3.7rem,17vw,6rem)}.character-workbench{min-height:510px}.hero-tanuja{width:53%;height:70%}.hero-rish{width:44%;height:56%}.hero-jett{width:37%;height:52%;right:8%}.mission-ribbon{grid-template-columns:repeat(5,1fr)}.mission-ribbon span{display:none}.mission-ribbon p{text-align:center;padding:14px 2px;font-size:.7rem}.section-heading-row{flex-direction:column;align-items:start;gap:25px}.section-heading-row>p{width:100%;max-width:520px}.team-story,.team-story-rish{grid-template-columns:1fr;gap:38px;min-height:0}.team-story-rish .team-copy{order:2}.team-story-rish .team-portrait{order:1}.team-portrait{width:100%;height:min(122vw,610px)}.team-copy{max-width:none}.belief-list article{grid-template-columns:40px 1fr;gap:12px}.belief-list article p{grid-column:2}.about-closing{box-shadow:8px 8px 0 var(--shadow);padding:55px 22px}.about-page footer p:last-child{text-align:left}}@media (max-width:480px){.brand{font-size:1.18rem}.brand-mark{width:30px;height:30px}.character-workbench{min-height:440px}.character-workbench:before{inset-inline:1%}.workbench-note{font-size:.62rem}.origin-heading h2,.section-heading-row h2,.beliefs-intro h2,.about-closing h2{font-size:clamp(2.8rem,13vw,4rem)}.education-badge{max-width:100%}}@media (max-width:820px){.lesson-panel{grid-template-columns:1fr}.instruction-column{max-width:none}.bridge-scene,.whole-workshop,.parts-workshop,.part-whole-board,.model-summary,.explain-visual,.transfer-equation,.explain-board,.fruit-board{justify-self:center;width:min(100%,560px)}.step-marker{text-align:center;align-items:center}}@media (max-width:560px){.site-header,.lesson-intro,.step-track,.lesson-workspace,footer{width:calc(100% - 26px)}.lesson-intro{grid-template-columns:1fr;align-items:start}.mission-stamp{display:none}.mission-stamp strong{font-size:2.5rem}.mission-stamp span{font-size:.72rem}h1{max-width:none;font-size:clamp(3.2rem,16vw,4.8rem)}.topic-track{grid-template-columns:1fr}.step-marker{min-height:64px;padding:10px 14px}.step-marker+.step-marker{border-top:1px solid var(--line);border-left:0}.step-marker strong,.step-marker small{font-size:1rem}.lesson-workspace{box-shadow:8px 8px 0 var(--shadow);border-radius:24px 9px}.lesson-panel{gap:30px;min-height:0;padding:22px 12px 28px}.one-action-workshop{min-height:0;padding:22px 14px 28px}.one-action-flow{min-height:360px;margin-top:14px}.current-action{box-shadow:4px 4px 0 var(--shadow);margin-bottom:22px;padding:16px}.current-action strong{font-size:1.45rem}.current-action span:last-child{font-size:1.125rem}.step-heading-row{align-items:flex-start}.listen-button{justify-content:center;min-width:92px}.role-choices,.meaning-choices.compact{grid-template-columns:1fr}.bridge-scene{border-radius:48px 16px;min-height:300px;padding-inline:18px}.bridge-grid{gap:3px}.bridge-tile{border-width:1.5px;font-size:1rem}.large-bridge-grid .bridge-tile{min-height:64px}.clue-story{padding:18px 14px}.clue-story>p{font-size:1.125rem}.clue-buttons{grid-template-columns:1fr;gap:9px}.clue-join{place-items:center;min-height:24px;display:grid}.clue-buttons button{min-height:90px}.clue-buttons strong{font-size:2.2rem}.tap-equation{gap:7px;font-size:2.35rem}.tap-equation span{min-width:52px;min-height:62px}.answer-choices button{width:70px;height:70px}.one-tap-explain{grid-template-columns:1fr 1fr}.one-tap-explain button{min-height:116px;font-size:1.125rem}.large-fruit-model{grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.large-fruit-model>span,.large-fruit-model>button{min-height:58px}.part-whole-board{padding:22px 15px}.whole-workshop,.parts-workshop{min-height:330px;padding:28px 16px}.parts-workshop{min-height:410px}.part-blocks span{width:clamp(14px,6vw,26px)}.model-cell{border-width:1.5px}.parts-labels span{font-size:1rem}.equation span,.transfer-equation span,.equation label{min-width:54px;height:66px}.number-box{width:54px;height:66px;font-size:2.6rem}.fruit-model{grid-template-columns:repeat(9,minmax(24px,1fr));gap:3px}.fruit-model>span,.fruit-model>button{font-size:1.15rem}.explain-visual{gap:6px;font-size:1.2rem}.thought-tile{width:68px;height:68px;font-size:2rem}.lesson-actions{grid-template-columns:auto minmax(0,1fr);padding:15px 12px;display:grid}.action-status{grid-area:1/1/auto/-1;display:block}.lesson-actions button{padding-inline:16px;font-size:1rem}.continue-button{justify-self:end}.explain-board{min-height:280px;padding:40px 18px}.explain-bar button{min-height:104px;font-size:1.1rem}.fruit-board .fruit-model{grid-template-columns:repeat(3,minmax(0,1fr))}.completion-grid{grid-template-columns:1fr}footer{flex-direction:column}.worksheet-page{padding:10px}.worksheet-sheet{padding:22px 16px}.worksheet-title{flex-direction:column;align-items:start}.worksheet-name{width:100%}.worksheet-intro-grid{grid-template-columns:1fr}.worksheet-intro-grid>div+div{border-top:1px solid #8a8f98;border-left:0}.worksheet-task{padding-left:48px}.worksheet-bridge>span,.worksheet-blocks>span,.worksheet-fruit>span{min-width:0;height:42px}.worksheet-bond{width:100%}.worksheet-split-row{grid-template-columns:1fr;gap:8px}.worksheet-mini-bond{justify-content:center}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important}}@media print{@page{size:A4;margin:10mm}body{color:#000;background:#fff}.worksheet-page{background:#fff;min-height:auto;padding:0}.worksheet-toolbar{display:none}.worksheet-sheet{width:100%;box-shadow:none;padding:0}.worksheet-title{padding-bottom:10px}.worksheet-title h1{font-size:2.2rem}.worksheet-intro-grid{margin:10px 0 12px}.worksheet-intro-grid>div{padding:7px 9px}.worksheet-task{margin-top:10px;padding-top:10px;padding-bottom:10px}.worksheet-step{top:10px}.worksheet-task-copy p{margin-bottom:9px}.worksheet-bridge>span,.worksheet-blocks>span,.worksheet-fruit>span{height:42px}.worksheet-seven-blocks span{height:32px}.worksheet-split-row+.worksheet-split-row{margin-top:7px}.worksheet-bond{margin-block:5px 10px}.bond-whole{height:42px}.bond-parts span{height:48px}.drawing-space{height:90px}.worksheet-reflection{margin-top:10px;padding-block:9px}.worksheet-grownup{margin-top:10px;padding-block:8px}}.split-strip{border:3px solid var(--ink);background:var(--surface);border-radius:18px 8px;justify-content:center;align-items:center;gap:16px;width:100%;min-height:120px;padding:18px;display:flex}.split-part{flex-wrap:wrap;justify-content:center;align-items:center;gap:7px;min-width:60px;display:flex}.split-block{border:2px solid var(--ink);cursor:pointer;border-radius:8px 8px 4px 4px;width:46px;height:62px;padding:0;transition:transform .16s ease-out,box-shadow .16s ease-out}.split-block:hover{box-shadow:0 5px 0 var(--shadow);transform:translateY(-5px)}.split-block:focus-visible{outline:4px solid var(--blue)}@supports (color:color-mix(in lab, red, red)){.split-block:focus-visible{outline:4px solid color-mix(in oklch, var(--blue) 55%, transparent)}}.split-block:focus-visible{outline-offset:3px}.split-block.is-blue{background:var(--blue)}.split-block.is-yellow{background:var(--yellow)}.split-part-empty{border:2px dashed var(--line);min-height:62px;color:var(--ink-soft);border-radius:9px;place-items:center;padding:0 12px;font-size:1rem;font-weight:850;display:grid}.splits-made-title{color:var(--ink-soft);margin:22px 0 0;font-size:1rem;font-weight:850}.splits-made{flex-wrap:wrap;justify-content:center;gap:10px;width:100%;margin:12px 0 0;padding:0;display:flex}.splits-made li{border:2px solid var(--ink);background:var(--green);border-radius:999px;padding:9px 16px}@supports (color:color-mix(in lab, red, red)){.splits-made li{background:color-mix(in oklch, var(--green) 18%, var(--surface))}}.splits-made li{font-size:1.05rem;font-weight:900;list-style:none}.clue-found{color:var(--green);margin-top:7px;display:block}@supports (color:color-mix(in lab, red, red)){.clue-found{color:color-mix(in oklch, var(--green) 62%, var(--ink))}}.clue-found{font-family:var(--font-body);font-size:1rem;font-style:normal;font-weight:950}.number-pad-block{width:min(100%,430px);margin-top:6px}.pad-label{color:var(--blue-dark);text-align:center;margin:0 0 12px;font-size:1.05rem;font-weight:950}.number-pad{grid-template-columns:repeat(5,1fr);gap:10px;display:grid}.number-pad button{border:3px solid var(--ink);background:var(--surface);min-width:64px;min-height:64px;color:var(--ink);font-family:var(--font-display);cursor:pointer;border-radius:18px 8px;font-size:1.8rem;font-weight:600;transition:transform .16s ease-out,background .16s ease-out}.number-pad button:hover:not(:disabled){transform:translateY(-3px)}.number-pad button:disabled{cursor:default}.number-pad button:disabled:not(.is-correct){opacity:.4}.number-pad button.is-correct{background:var(--green);color:var(--surface)}.number-pad button.is-wrong{background:var(--orange)}@supports (color:color-mix(in lab, red, red)){.number-pad button.is-wrong{background:color-mix(in oklch, var(--orange) 28%, var(--surface))}}.one-action-flow .revealed-bond{margin-top:8px}.one-action-flow .clue-story{margin-top:22px}@media (max-width:560px){.split-strip{gap:10px;min-height:0;padding:14px}.split-part{gap:5px}.split-block{width:44px;min-width:44px;height:48px;min-height:48px}.number-pad-block{width:100%}.number-pad{gap:8px}.number-pad button{min-width:0;min-height:58px;font-size:1.5rem}}@property --tw-scale-x{syntax:"*";inherits:false;initial-value:1}@property --tw-scale-y{syntax:"*";inherits:false;initial-value:1}@property --tw-scale-z{syntax:"*";inherits:false;initial-value:1}@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-ordinal{syntax:"*";inherits:false}@property --tw-slashed-zero{syntax:"*";inherits:false}@property --tw-numeric-figure{syntax:"*";inherits:false}@property --tw-numeric-spacing{syntax:"*";inherits:false}@property --tw-numeric-fraction{syntax:"*";inherits:false}@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}