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--dyn-var-sway{syntax:"*";inherits:false}@property --dyn-var-turn{syntax:"*";inherits:false}@property --dyn-animation-duration{syntax:"*";inherits:false}@property --dyn-font-size{syntax:"*";inherits:false}@keyframes hero-glyphs-drift{0%{opacity:0;transform:translate3d(0, 34px, 0) rotate(calc(var(--turn) * -1)) scale(.92)}20%{opacity:var(--peak)}50%{transform:translate3d(var(--sway), -6px, 0) rotate(0deg) scale(1)}80%{opacity:var(--peak)}to{opacity:0;transform:translate3d(calc(var(--sway) * -.6), -52px, 0) rotate(var(--turn)) scale(1.04)}}.hero-glyphs-far{--peak:.85}.hero-glyphs-near{--peak:.92}.hero-glyphs-at{--sway:var(--dyn-var-sway);--turn:var(--dyn-var-turn)}@property --dyn-var-stamp{syntax:"*";inherits:false}@keyframes pages-journey-pulse{0%,to{scale:1}50%{scale:1.2}}.pages-journey-card{--card-lift:-50%;--card-top:50%;--lift:var(--card-lift)}.pages-journey-log{--draw:clamp(0, (var(--s) - 60) / 500, 1);--log-h:140px;--log-left:var(--gutter);--log-top:28px}.pages-journey-log-stop{--in:clamp(0, (var(--s) - var(--i) * 100 - 56) / 10, 1);--now:min(var(--in), clamp(0, ((var(--i) + 1) * 100 + 56 - var(--s)) / 10, 1))}.pages-journey-stage{--log-w:min(460px, 42vw);--s:calc(var(--p,1) * 800)}.pages-journey-tone{--stamp:var(--dyn-var-stamp)}@media (prefers-reduced-motion:no-preference){.pages-journey-card.pages-journey-card{--card-lift:-50%;--card-top:50%}}@media (prefers-reduced-motion:reduce){.pages-journey-stage.pages-journey-stage{--s:800}}@media (prefers-reduced-motion:no-preference){.pages-journey-card.pages-journey-card:is([data-motion=ready] *){--card-lift:0%;--card-top:216px}}@property --dyn-var-tone{syntax:"*";inherits:false}.showcase-lesson-showcase-tone{--tone:var(--dyn-var-tone)}@keyframes voyage-finale-twinkle{0%,to{opacity:.4}50%{opacity:1}}@keyframes voyage-finale-glow-keyframes{0%,to{opacity:.35;scale:.7}50%{opacity:1;scale:1}}@keyframes voyage-finale-breathe{0%,to{rotate:-.5deg}50%{rotate:.5deg}}@keyframes voyage-finale-float{0%,to{translate:0}50%{translate:0 -10px}}.voyage-finale{--drift:.2;--frame:61% 50%;--orbit:min(var(--planet-y), 62vw);--planet-y:30svh;--planet:calc(var(--orbit) * .55);--px:50vw;--q:1;--rise:0px}.voyage-finale-closing{--orbit:min(var(--planet-y), 62vw);--planet-y:30svh;--planet:calc(var(--orbit) * .55)}.voyage-finale-shade{--shade-x:50%}@media (prefers-reduced-motion:no-preference){.voyage-finale.voyage-finale{--px:50vw;--q:1}.voyage-finale-shade.voyage-finale-shade{--shade-x:50%}.voyage-finale.voyage-finale:is([data-motion=ready] *){--px:calc(50vw + (var(--cx) - 50vw) * (1 - clamp(0, (var(--q) - .45) / .55, 1)) * clamp(0, var(--q) * 1000, 1));--q:clamp(0, (var(--p,0) * 800 - 664) / 96, 1)}.voyage-finale-shade.voyage-finale-shade:is([data-motion=ready] *){--shade-x:var(--cx)}}@keyframes voyage-hero-float{0%{opacity:0;translate:0}25%{opacity:.95}70%{opacity:.6}to{opacity:0;translate:14px -70px}}@keyframes voyage-hero-arrive{0%{opacity:0;translate:0 22px}to{opacity:1;translate:0}}@keyframes voyage-hero-sway-right{0%{rotate:none}to{rotate:-2.2deg}}@keyframes voyage-hero-breathe{0%,to{rotate:-.4deg}50%{rotate:.4deg}}@keyframes voyage-hero-sway-left{0%{rotate:none}to{rotate:2.2deg}}.voyage-hero-foliage-left{--side:-1}.voyage-hero-foliage-right{--side:1}@property --dyn-var-i{syntax:"*";inherits:false}.voyage-journey-stage{--cx:calc(100vw - var(--focus) + var(--dolly));--dolly:min(var(--w) * .08, 18vw);--focus:40vw;--w:max(300svh, 100vw)}.voyage-journey-chapter-at{--i:var(--dyn-var-i)}.voyage-journey-timeline{--in:clamp(0, (var(--p,0) * 800 - var(--i) * 100 - 44) / 16, 1);--on:clamp(0, (var(--p,0) * 800 - var(--i) * 100 - 44) * 1000, 1);--out:clamp(0, (var(--p,0) * 800 - var(--i) * 100 - 144) / 16, 1);--t:clamp(0, (var(--p,0) * 800 - var(--i) * 100 - 44) / 116, 1)}.voyage-journey-section{--orbit:min(var(--planet-y), 62vw);--planet-y:38svh;--planet:calc(var(--orbit) * .55)}@property --dyn-var-previous-progress{syntax:"*";inherits:false}@property --dyn-transform{syntax:"*";inherits:false}@keyframes block-progress-star-keyframes{0%{opacity:0;transform:translateY(14px)scale(.65)rotate(-12deg)}to{opacity:1;transform:translateY(0)scale(1)rotate(0)}}@keyframes block-progress-reward-keyframes{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes block-progress-finish{0%{transform:scaleX(var(--previous-progress))}to{transform:scaleX(1)}}.block-progress-finished{--previous-progress:var(--dyn-var-previous-progress)}.equal-parts-introduction-circle-paper{--paper:#eef8ff}@supports (color:lab(0% 0 0)){.equal-parts-introduction-circle-paper{--paper:lab(97.0243% -2.81167 -4.6738)}}.handwriting-typed{--fraction-slot-font-size:clamp(20px, 22cqh, 36px);--fraction-slot-height:34cqh;--fraction-slot-width:64cqw}@keyframes mixed-symbol-pop{0%{transform:scale(1)}40%{transform:scale(1.08)}to{transform:scale(1)}}.partition-picture-figures-gallery{--paper:#eef8ff}@supports (color:lab(0% 0 0)){.partition-picture-figures-gallery{--paper:lab(97.0243% -2.81167 -4.6738)}}.partition-picture-figures-vertical{--whole-unit-font:20px}.partition-picture-figures-horizontal{--whole-unit-font:26px}@property --dyn-opacity{syntax:"*";inherits:false}@keyframes session-headache-reveal{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}@keyframes lesson-player-listening-pulse{0%{opacity:.35;transform:scale(.82)}50%{opacity:1;transform:scale(1)}to{opacity:.35;transform:scale(.82)}}@keyframes lesson-player-answer-fade{0%{opacity:0}}@keyframes lesson-player-turn-out{to{opacity:0;transform:rotate(-90deg)scale(.9)}}@keyframes lesson-player-turn-in{0%{opacity:0;transform:rotate(90deg)scale(.9)}}@keyframes lesson-player-diagram-out{to{opacity:0;transform:translateY(-3px)scale(.995)}}@keyframes lesson-player-diagram-in{0%{opacity:0;transform:translateY(5px)scale(.99)}}:root,.lesson-player-transition-animations{--lesson-player-diagram-out:lesson-player-diagram-out;--lesson-player-diagram-in:lesson-player-diagram-in;--lesson-player-turn-out:lesson-player-turn-out;--lesson-player-turn-in:lesson-player-turn-in}@media (prefers-reduced-motion:reduce){:root,.lesson-player-transition-animations{--lesson-player-diagram-out:none;--lesson-player-diagram-in:none;--lesson-player-turn-out:none;--lesson-player-turn-in:none}}::view-transition-old(*.lesson-player-diagram-transition){animation-name:var(--lesson-player-diagram-out);animation-duration:.16s;animation-timing-function:ease-out;animation-fill-mode:both}::view-transition-new(*.lesson-player-diagram-transition){animation-name:var(--lesson-player-diagram-in);animation-duration:.3s;animation-timing-function:cubic-bezier(.2,.7,.2,1);animation-fill-mode:both}::view-transition-old(*.lesson-player-turn-transition){animation-name:var(--lesson-player-turn-out);animation-duration:.3s;animation-timing-function:cubic-bezier(.2,.7,.2,1);animation-fill-mode:both}::view-transition-new(*.lesson-player-turn-transition){animation-name:var(--lesson-player-turn-in);animation-duration:.3s;animation-timing-function:cubic-bezier(.2,.7,.2,1);animation-fill-mode:both}@keyframes placement-question-rise{0%{opacity:0;transform:translateY(16px)}}.placement-intro-primary:not(.session-complete-finish){--button-shadow:var(--accent)}@supports (color:color-mix(in lab, red, red)){.placement-intro-primary:not(.session-complete-finish){--button-shadow:color-mix(in srgb, var(--accent) 65%, var(--ink))}}.placement-card-primary{--kbd-background:currentColor}@supports (color:color-mix(in lab, red, red)){.placement-card-primary{--kbd-background:color-mix(in srgb, currentColor 14%, transparent)}}.placement-card-primary{--kbd-border:currentColor}@supports (color:color-mix(in lab, red, red)){.placement-card-primary{--kbd-border:color-mix(in srgb, currentColor 45%, transparent)}}@property --dyn-var-hero-image{syntax:"*";inherits:false}.marketing-grid{--gridline:var(--ink)}@supports (color:color-mix(in lab, red, red)){.marketing-grid{--gridline:color-mix(in srgb, var(--ink) 14%, transparent)}}.marketing-image{--hero-image:var(--dyn-var-hero-image)}.marketing-stage{--s-cta:.68;--s-sky:.5}@property --dyn-var-confetti-drift{syntax:"*";inherits:false}@keyframes session-complete-falling-keyframes{0%{opacity:0;transform:translateY(-24px)rotate(0)}8%{opacity:1}85%{opacity:1}to{transform:translate3d(var(--confetti-drift), 110vh, 0) rotate(540deg);opacity:0}}.session-complete-finish{--button-shadow:var(--sessrim)}.session-complete-drift{--confetti-drift:var(--dyn-var-confetti-drift)}.session-narrative-stage:not(.session-narrative-inline-stage){--film-h:min(100vh, 75vw);--film-w:min(100vw, 133.333vh)}.session-narrative-inline-stage{--film-h:min(65vh, 640px);--film-w:100%}@keyframes session-panel-motion-blast-keyframes{0%{opacity:.75;transform:scale(.7)}to{opacity:0;transform:scale(1.35,1.8)}}@keyframes session-panel-motion-pop-keyframes{0%{opacity:0;transform:scale(.4)}70%{transform:scale(1.1)}to{opacity:1;transform:scale(1)}}@keyframes session-panel-motion-jolt-keyframes{0%{transform:translate(0)rotate(0)}30%{transform:translate(-2px,1px)rotate(-.5deg)}60%{transform:translate(2px,-1px)rotate(.5deg)}to{transform:translate(0)rotate(0)}}@keyframes session-panel-motion-shake-keyframes{0%{transform:translate(0)}20%{transform:translate(-4px,2px)}40%{transform:translate(4px,-2px)}60%{transform:translate(-2px,1px)}80%{transform:translate(2px,-1px)}to{transform:translate(0)}}@keyframes session-panel-motion-detonate-keyframes{0%{opacity:1;transform:translate(0)}to{transform:translate(var(--burst-x), var(--burst-y)) scale(.5);opacity:0}}@keyframes session-panel-motion-dust-keyframes{0%{opacity:.9;transform:translate(0)scale(.4)}to{transform:translate(var(--dx,0), -26px) scale(1.3);opacity:0}}@keyframes session-panel-motion-settle-keyframes{0%{transform:translateY(-78px)}to{transform:translateY(0)}}@keyframes session-panel-motion-drop-keyframes{0%{transform:translateY(-80px)}to{transform:translateY(0)}}@keyframes session-panel-motion-confetti-keyframes{0%{opacity:1;transform:translateY(-30px)rotate(0)}to{opacity:0;transform:translateY(260px)rotate(320deg)}}@keyframes session-panel-motion-shatter-keyframes{0%{opacity:1;transform:translate(0)}40%{transform:var(--fly-transform);opacity:1}to{transform:var(--land-transform);opacity:0}}@keyframes session-panel-motion-shatter-middle-keyframes{0%{opacity:1;transform:translate(0)}45%{transform:var(--fly-transform);opacity:1}to{transform:var(--land-transform);opacity:0}}.session-panel-motion-session-shard-first,.session-panel-motion-session-shard-sixth{--burst-x:-76px}.session-panel-motion-session-shard-second,.session-panel-motion-session-shard-fifth{--burst-x:0px}.session-panel-motion-session-shard-third,.session-panel-motion-session-shard-fourth{--burst-x:76px}.session-panel-motion-session-shard-second{--burst-y:-100px}.session-panel-motion-session-shard-first,.session-panel-motion-session-shard-third{--burst-y:-70px}.session-panel-motion-session-shard-fifth{--burst-y:100px}.session-panel-motion-session-shard-fourth{--burst-y:70px}.session-panel-motion-session-shard-sixth{--burst-y:70px;--fly-transform:translate(-12px, 9px) rotate(-7deg)}.session-panel-motion-session-shard-first{--fly-transform:translate(-14px, -4px) rotate(-8deg)}.session-panel-motion-session-shard-fifth{--fly-transform:translate(-2px, 14px) rotate(-4deg)}.session-panel-motion-session-shard-second{--fly-transform:translate(-3px, -9px) rotate(5deg)}.session-panel-motion-session-shard-fourth{--fly-transform:translate(12px, 10px) rotate(7deg)}.session-panel-motion-session-shard-third{--fly-transform:translate(14px, -5px) rotate(9deg)}.session-panel-motion-session-shard-sixth{--land-transform:translate(-30px, 103px) rotate(-24deg)}.session-panel-motion-session-shard-first{--land-transform:translate(-32px, 96px) rotate(-25deg)}.session-panel-motion-session-shard-fifth{--land-transform:translate(-6px, 110px) rotate(-17deg)}.session-panel-motion-session-shard-fourth{--land-transform:translate(28px, 105px) rotate(22deg)}.session-panel-motion-session-shard-third{--land-transform:translate(34px, 94px) rotate(27deg)}.session-panel-motion-session-shard-second{--land-transform:translate(5px, 88px) rotate(19deg)}@property --dyn-var-completed-end{syntax:"*";inherits:false}@property --dyn-var-current-end{syntax:"*";inherits:false}@property --dyn-var-dx{syntax:"*";inherits:false}@property --dyn-var-sessc{syntax:"*";inherits:false}.session-stack-dot-progress{--completed-end:var(--dyn-var-completed-end);--current-end:var(--dyn-var-current-end)}.session-stack-dust-position{--dx:var(--dyn-var-dx)}.session-stack-palette:not(.session-stack-tint){--sessc:var(--gc)}.session-stack-tint{--sessc:var(--dyn-var-sessc)}.session-stack-palette{--sessline:var(--ink);--sesson:var(--ink);--sessrim:var(--sessc)}@supports (color:color-mix(in lab, red, red)){.session-stack-palette{--sessrim:color-mix(in srgb, var(--sessc) 65%, var(--ink))}}:root,.theme-board-vars{--board-paper:#f4f5f3;--board-strip:#fff;--board-ink:#3c3c3c;--board-mut:#6b6b6b;--board-line:#dcdcdc;--board-active:#1077b5;--board-his:#1fa7de;--board-dep:#e8540f;--board-ours:#0f7d86;--board-ours-tint:#edf7f8;--board-ours-line:#a9d2d7;--chain-card:#b7d7d5;--chain-hub:#82babc;--chain-edge:#c0491f}:root,.theme-paper-vars{--checkin:#4dce98;--review:#927ae8;--practice:#f47a68;--story:#ed6bab;--headache:#f7ac4d;--current:#f7c842}@supports (color:lab(0% 0 0)){:root,.theme-paper-vars{--headache:lab(76.5561% 21.8102 58.7346)}}:root,.theme-vars{--font-geist:var(--font-geist-latin), var(--font-geist-latin-ext), var(--font-geist-vietnamese), var(--font-geist-cyrillic), var(--font-geist-cyrillic-ext);--font-geist-mono:var(--font-geist-mono-latin), var(--font-geist-mono-latin-ext), var(--font-geist-mono-vietnamese), var(--font-geist-mono-symbols2), var(--font-geist-mono-cyrillic), var(--font-geist-mono-cyrillic-ext);--font-baloo:var(--font-baloo-latin), var(--font-baloo-latin-ext), var(--font-baloo-vietnamese), var(--font-baloo-devanagari);--font-nunito:var(--font-nunito-latin), var(--font-nunito-latin-ext), var(--font-nunito-vietnamese), var(--font-nunito-cyrillic), var(--font-nunito-cyrillic-ext);--font-jetbrains-mono:var(--font-jetbrains-mono-latin), var(--font-jetbrains-mono-latin-ext), var(--font-jetbrains-mono-vietnamese), var(--font-jetbrains-mono-greek), var(--font-jetbrains-mono-cyrillic), var(--font-jetbrains-mono-cyrillic-ext);--font-stix:var(--font-stix-latin), var(--font-stix-latin-ext), var(--font-stix-vietnamese), var(--font-stix-greek), var(--font-stix-cyrillic), var(--font-stix-cyrillic-ext);--void:#181818;--ink:#fff;--mut:#b3b3b3;--line:var(--ink)}@supports (color:color-mix(in lab, red, red)){:root,.theme-vars{--line:color-mix(in srgb, var(--ink) 8%, transparent)}}:root,.theme-vars{--accent:#ec9228;--accent-ink:var(--accent);--whole-digit:#ffa64d;--part-digit:#68b5ff;--sans:var(--font-geist), system-ui, sans-serif;--mono:var(--font-geist-mono), ui-monospace, monospace;--serif:var(--font-stix), "Times New Roman", serif;--rail:16px;--paper:var(--void);--heading:var(--sans);--on-color:var(--void);--learn:#4a90e2;--error:#b23e2e;--error-surface:#fbe0db}:root,.theme-figure-vars{--gc:#36c792;--grim:var(--gc)}@supports (color:color-mix(in lab, red, red)){:root,.theme-figure-vars{--grim:color-mix(in srgb, var(--gc) 65%, var(--ink))}}:root,.theme-figure-vars{--gline:var(--ink);--gon:var(--on-color)}.theme-paper-theme.theme-paper-theme,.theme-paper-theme.theme-paper-theme:root{--accent:#f26d5b;--accent-ink:var(--ink);--heading:var(--font-baloo), var(--sans);--ink:#2b2530;--line:#2b2530;--mono:var(--font-jetbrains-mono), ui-monospace, monospace;--mut:#6e6678;--on-color:#fff;--paper:#fffef9;--part-digit:#1664ad;--sans:var(--font-nunito), system-ui, sans-serif;--void:#fbf5e9;--whole-digit:#9c4700}@supports (color:lab(0% 0 0)){.theme-paper-theme.theme-paper-theme,.theme-paper-theme.theme-paper-theme:root{--paper:lab(99.6276% -.303686 2.53401)}}.theme-board-palette{--accent-ink:var(--board-ink);--ink:var(--board-ink);--line:var(--board-line);--mut:var(--board-mut);--on-color:var(--board-paper);--paper:var(--board-paper);--part-digit:var(--board-ink);--void:var(--board-paper);--whole-digit:var(--board-ink)}