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.figure{--fs-num:clamp(2.75rem, 5vw, 4rem)}.why-example{margin-left:var(--s2);color:var(--ink-2);font-weight:600}@media (width>=900px){.why-grid{column-gap:var(--s6);grid-template-columns:max-content minmax(0,1fr);align-items:start}}.start{background:var(--accent);color:var(--on-accent);padding-block:var(--s8)}.start-stage{gap:var(--s6);max-width:var(--content-max);align-content:center;justify-items:start;margin-inline:auto;display:grid}.start h2{color:var(--on-accent)}.start-title{max-width:12ch}.start-cta{border-color:var(--ink)}@media (width>=900px){.start{min-height:calc(var(--stage-h) * .55);align-content:center;display:grid}}@media (width<=719px){.start{padding-block:var(--s7)}}.landing-footer{background:var(--nav-bg);color:var(--surface);justify-content:space-between;align-items:center;gap:var(--s4) var(--s6);padding-block:var(--s5) calc(var(--s5) + var(--tabbar-space,0px));flex-wrap:wrap;display:flex}@media (width>=720px){.landing-footer{padding-block:var(--s5)}}.wordmark--footer{color:var(--surface)}.footer-links{gap:var(--s2) var(--s6);flex-wrap:wrap;display:flex}.footer-links .text-link{color:var(--surface)}.footer-links .text-link:focus-visible:before{outline-color:var(--surface)}@media (hover:hover){.footer-links .text-link:hover{color:var(--on-ink-2)}}.chapters--bar{z-index:46;top:calc(var(--frame) + var(--s2));left:calc(var(--frame) + var(--scene-pad));right:calc(var(--frame) + var(--scene-pad) + var(--sbw,0px));gap:var(--s1) var(--s5);pointer-events:none;opacity:0;min-height:44px;transition:opacity var(--t-mid) var(--ease);align-items:center;position:fixed}.chapters--bar[data-shown],.chapters--bar:focus-within{opacity:1}.chapters--bar[data-shown]>*,.chapters--bar:focus-within>*{pointer-events:auto}.chapters--bar .chapter-link--cta{margin-left:auto}.chapter-link[aria-current=true]{background:var(--ink);color:var(--surface);padding-inline:var(--s2);margin-inline:calc(-1 * var(--s2));min-height:32px}@media (hover:hover){.chapter-link[aria-current=true]:hover{color:var(--surface);background:var(--action-hover)}}.chapters--bar .chapter-link{transition:none}.chapters--bar[data-dark] .chapter-link{color:var(--surface)}.chapters--bar[data-dark] .chapter-link[aria-current=true]{background:var(--surface);color:var(--ink)}.chapters--bar[data-dark] .chapter-link:focus-visible:before{outline-color:var(--surface)}@media (hover:hover){.chapters--bar[data-dark] .chapter-link:hover{color:var(--on-ink-2)}.chapters--bar[data-dark] .chapter-link[aria-current=true]:hover{color:var(--ink);background:var(--gray-100)}}.stack{perspective:1400px;width:100%;position:relative}.stack-card .flashcard{min-height:min(15rem, calc(var(--stage-h) * .34))}.stack-card{width:calc(100% - var(--stack-pad,0px));will-change:transform;position:absolute;top:0;left:0}.stack>.stack-card+.stack-card{margin-top:0}.stack-card:first-child{width:100%;position:relative}.stack-card .card-stage{padding:0}.stack-card .card-stage[data-layers="0"] .flashcard,.journey-card .card-stage[data-layers="0"] .flashcard,.journey-mini .card-stage[data-layers="0"] .flashcard{box-shadow:none}.repeat--stage{height:calc(3.4 * var(--stage-h));margin-top:calc(-1 * var(--stage-h));z-index:2;align-content:start;min-height:0;padding:0;display:block;position:relative}.landing{--nav-space:calc(var(--s2) + 44px + var(--s3))}.repeat-stage{height:var(--stage-h);padding:var(--nav-space) var(--scene-pad) var(--s5);align-content:safe center;justify-items:center;display:grid;position:sticky;top:0;overflow:hidden}.repeat--stage .repeat-inner{justify-items:center;gap:0;width:100%;max-width:none;display:grid}.repeat--stage .repeat-text{text-align:center;justify-items:center;gap:var(--s3);display:grid}.repeat--stage .repeat-text p{max-width:44ch}.repeat--stage .repeat-card{width:var(--story-card-w);max-width:100%;margin:var(--lift-room,160px) 0 0}.repeat--flow{min-height:0}.repeat--flow .repeat-card{margin-top:216px}@media (width<=719px){.repeat--flow .repeat-card .flashcard{min-height:15rem}}.journey{height:calc(4.4 * var(--stage-h));margin-top:calc(-1 * var(--stage-h));z-index:3;background:var(--surface);padding-inline:0;position:relative}.landing--scroll .start{z-index:4;margin-top:calc(-1 * var(--stage-h));min-height:calc(1.35 * var(--stage-h));padding-block:0;display:block;position:relative}.landing--scroll .start-stage{height:var(--stage-h);padding-block:var(--nav-space) var(--s6);position:sticky;top:0}.landing--scroll .landing-footer{z-index:4;position:relative}.journey-stage{height:var(--stage-h);background:var(--surface);position:sticky;top:0;overflow:hidden}.journey-k0{left:var(--motif-x,calc(50% - var(--story-card-w) / 2));top:var(--motif-y,calc(50% - 7.5rem));width:var(--motif-w,var(--story-card-w));height:var(--motif-h,15rem);visibility:hidden;position:absolute}.journey-surface{background:var(--gray-50);position:absolute;inset:0}.journey-chrome{align-content:safe center;gap:var(--s5);padding:var(--nav-space) var(--scene-pad) var(--s6);pointer-events:none;display:grid;position:absolute;inset:0}.preview-title{width:min(100%, calc(680px + var(--stack-offset)));justify-self:center;margin-inline:auto}.zoom--static{gap:var(--s5);display:grid}@media (height<=720px){.journey-chrome{gap:var(--s3);padding-top:calc(var(--nav-space) - var(--s3))}.journey-chrome .preview-title{font-size:1.75rem}.journey-chrome .preview{padding-top:var(--s3)}}.journey-chrome .preview{width:min(100%, calc(680px + var(--stack-offset)))}.session-card[data-placeholder] .card-stage{visibility:hidden}.journey-card{z-index:5;box-sizing:border-box;outline:var(--stroke) solid transparent;outline-offset:calc(-1 * var(--stroke));will-change:left, top, width, height;position:absolute}.journey-card[data-clip]{background:var(--surface);outline-color:var(--jc-border,var(--ink));overflow:hidden}.journey-card[data-landed]{visibility:hidden}.journey-card-inner{position:absolute;inset:0}.journey-fill{background:var(--accent);transform-origin:0;pointer-events:none;position:absolute;inset:0;transform:scaleX(0)}.journey-card .card-stage,.journey-mini .card-stage{height:100%;padding:0}.journey-card .flashcard,.journey-mini .flashcard{box-shadow:none;height:100%;min-height:0}.journey-mini .flashcard,.journey-card[data-clip] .flashcard{border-color:#0000}.journey-card .flashcard[data-side=front]{background:var(--ink);color:var(--surface);border-color:var(--ink)}.journey-card .flashcard[data-side=front] .card-top{border-color:var(--surface)}.journey-card .flashcard[data-side=front] :is(.card-pos,.card-qualifier){color:var(--on-ink-2)}@media (forced-colors:active){.journey-card .flashcard[data-side=front]{color:canvastext;background:canvas}}.journey-why{gap:var(--s5);padding:var(--nav-space) var(--scene-pad) var(--s6);max-width:calc(var(--content-max) + 2 * var(--scene-pad));grid-template-rows:auto auto;align-content:safe center;width:100%;margin-inline:auto;display:grid;position:absolute;inset:0}.journey-anchor{width:1px;height:1px;position:absolute;left:0}.fgrid--build i{opacity:clamp(0, var(--build,21) - var(--row,0), 1);transform:translateY(calc((1 - clamp(0, var(--build,21) - var(--row,0), 1)) * 6px))}.fgrid[data-handoff] i:first-child{visibility:hidden}.why-head{align-content:start}.why-head .why-example{font-size:var(--fs-meta);color:var(--ink-2);margin:0;font-weight:600}.why-grid--flow{grid-template-columns:minmax(0,1fr);position:relative}.journey-mini{border:var(--stroke) solid var(--ink);background:var(--surface);transform-origin:0 0;z-index:2;width:min(150px,34%);height:84px;position:absolute;overflow:hidden}.journey-mini[data-landed]{visibility:hidden}.journey-mini .flashcard{padding:var(--s2) var(--s3);gap:var(--s1)}.journey-mini .card-word{font-size:1.25rem}.journey-mini .card-top{padding-bottom:var(--s1);font-size:.6875rem}.principle--flow{gap:var(--s6);padding-block:var(--s7);border-top:1px solid var(--line);display:grid}.principle-flow-card{max-width:var(--story-card-w);min-width:0}@media (width<=719px){.principle-flow-card{max-width:calc(100% - var(--stack-offset))}.principle-flow-card .flashcard{min-height:15rem}}