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(width<=960px){.ck-nav,.ck-head__cta{display:none}.ck-menu{display:inline-flex}.ck-head__tools{margin-inline-start:auto}}.ck-book{--page-shade:linear-gradient(to var(--to-gutter,left), transparent 72%, #0e2e311a 94%, #0e2e312e);perspective:2600px;filter:drop-shadow(0 40px 40px #0e2e312e)drop-shadow(0 2px 2px #0e2e311f);border-radius:6px;grid-template-columns:1fr 1fr;display:grid;position:relative}.ck-page{background-color:var(--page);background-image:linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);background-size:26px 26px;position:relative;overflow:hidden}.ck-page:after{content:"";pointer-events:none;background:var(--page-shade);position:absolute;inset:0}.ck-page--start{--to-gutter:left;border-radius:0 10px 10px 0}.ck-page--end,[dir=ltr] .ck-page--start{--to-gutter:right;border-radius:10px 0 0 10px}[dir=ltr] .ck-page--end{--to-gutter:left;border-radius:0 10px 10px 0}.ck-page--photo{background:var(--ink-2)}.ck-page--photo img,.ck-page--photo video{object-fit:cover;width:100%;height:100%;position:absolute;inset:0}.ck-book__gutter{z-index:5;pointer-events:none;background:#0e2e312e;width:2px;margin-left:-1px;position:absolute;top:0;bottom:0;left:50%;box-shadow:0 0 18px 6px #0e2e3114}.ck-ribbon{z-index:6;pointer-events:none;transform-origin:50% 0;width:13px;height:calc(100% + 58px);animation:7s ease-in-out infinite alternate ck-sway;position:absolute;top:-8px;left:calc(50% + .9rem)}[dir=ltr] .ck-ribbon{left:auto;right:calc(50% + .9rem)}.ck-ribbon span{clip-path:polygon(0 0,100% 0,100% 100%,50% calc(100% - 12px),0 100%);background:linear-gradient(90deg,#d9a95a,#e8bd78 45%,#ddae62);position:absolute;inset:0;box-shadow:0 2px 6px #0e2e3140}@keyframes ck-sway{0%{rotate:-1.2deg}to{rotate:1.4deg}}.ck-hero{padding-block:clamp(2rem,5vw,3.5rem) 0;position:relative;overflow:clip}.ck-desk{width:min(100% - 2 * var(--gutter), 74rem);margin-inline:auto}.ck-book--hero{min-height:clamp(30rem, calc(100svh - var(--head-h) - 9rem), 42rem)}.ck-book--hero .ck-page--start{align-content:center;justify-items:start;gap:clamp(.9rem,2vh,1.4rem);padding:clamp(2rem,4vw,4rem);display:grid}.ck-book--hero .ck-display{font-size:clamp(2.4rem,1.2rem + 3.4vw,4.6rem)}.ck-actions{flex-wrap:wrap;align-items:center;gap:.6rem 1.5rem;display:flex}.ck-book--hero .ck-page--end{transform-origin:var(--hinge,right) 50%;backface-visibility:hidden;animation:1.6s cubic-bezier(.65,0,.2,1) .25s both ck-open}[dir=ltr] .ck-book--hero .ck-page--end{--hinge:left;animation-name:ck-open-l}@keyframes ck-open{0%{transform:rotateY(-178deg)}to{transform:rotateY(0)}}@keyframes ck-open-l{0%{transform:rotateY(178deg)}to{transform:rotateY(0)}}.ck-book--hero .ck-page--end img{animation:ck-photo 2.2s var(--ease) .6s both}@keyframes ck-photo{0%{filter:saturate(.6);scale:1.12}}.ck-hero__clip{opacity:0;animation:ck-fade-in .9s var(--ease) 2.2s forwards}@keyframes ck-fade-in{to{opacity:1}}.ck-thread{width:40px;height:clamp(5rem,12vw,9rem);margin:3.4rem auto 0;display:block;overflow:visible}.ck-thread path{fill:none;stroke:var(--gold);stroke-width:2px;stroke-dasharray:.02 .025;vector-effect:non-scaling-stroke}.ck-method{--turn:0;position:relative}.ck-method .ck-method__stage.sc-stage{top:var(--head-h);height:calc(100svh - var(--head-h))}.ck-method__stage{padding:clamp(1.5rem, 4vh, 3rem) var(--gutter) clamp(2rem, 5vh, 3.5rem);grid-template-rows:auto minmax(0,1fr);gap:clamp(1rem,3vh,2rem);display:grid}.ck-method__head{flex-wrap:wrap;justify-content:space-between;align-items:end;gap:.5rem 2rem;width:min(100%,72rem);margin-inline:auto;display:flex}.ck-hint{color:var(--ink-soft);align-items:center;gap:.6rem;font-size:.875rem;font-weight:600;display:inline-flex}.ck-hint:after{content:"";background:var(--amber);width:2rem;height:2px;animation:ck-hint 2.2s var(--ease) infinite;transform-origin:var(--o,right)}[dir=ltr] .ck-hint:after{--o:left}@keyframes ck-hint{0%{transform:scaleX(0)}60%,to{opacity:0;transform:scaleX(1)}}.ck-book--method{width:min(100%, 70rem, (100svh - var(--head-h) - 11rem) * 1.55);aspect-ratio:1.55;align-self:center;margin-inline:auto}.ck-book--method .ck-page--start{align-content:center;padding:clamp(1.75rem,3.5vw,3.5rem);display:grid}.ck-leaf{z-index:4;width:50%;transform-style:preserve-3d;transform-origin:100%;transform:rotateY(calc(var(--turn) * 180deg));position:absolute;top:0;bottom:0;left:0}[dir=ltr] .ck-leaf{transform-origin:0;transform:rotateY(calc(var(--turn) * -180deg));left:auto;right:0}.ck-leaf__face{backface-visibility:hidden;position:absolute;inset:0;overflow:hidden}.ck-leaf__face--front{border-radius:10px 0 0 10px}.ck-leaf__face--back{background-color:var(--page);background-image:linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);background-size:26px 26px;border-radius:0 10px 10px 0;align-content:center;padding:clamp(1.75rem,3.5vw,3.5rem);display:grid;transform:rotateY(180deg)}[dir=ltr] .ck-leaf__face--front{border-radius:0 10px 10px 0}[dir=ltr] .ck-leaf__face--back{border-radius:10px 0 0 10px}.ck-leaf__face--front:after{content:"";opacity:calc(var(--turn) * 1.6);pointer-events:none;background:linear-gradient(270deg,#0e2e318c,#0000 60%);position:absolute;inset:0}.ck-leaf__face--back:after{content:"";opacity:calc((1 - var(--turn)) * 1.6);pointer-events:none;background:linear-gradient(90deg,#0e2e3159,#0000 60%);position:absolute;inset:0}[dir=ltr] .ck-leaf__face--front:after{background:linear-gradient(90deg,#0e2e318c,#0000 60%)}[dir=ltr] .ck-leaf__face--back:after{background:linear-gradient(270deg,#0e2e3159,#0000 60%)}.ck-tabs{z-index:7;gap:.35rem;display:grid;position:absolute;top:8%;right:calc(-1*clamp(2.6rem,4vw,3.4rem))}[dir=ltr] .ck-tabs{left:calc(-1*clamp(2.6rem,4vw,3.4rem));right:auto}.ck-tabs button{background:var(--celadon-2);width:clamp(2.6rem,4vw,3.4rem);color:var(--ink);writing-mode:vertical-rl;transition:background-color .3s var(--ease), translate .3s var(--ease);border-radius:0 8px 8px 0;justify-items:center;gap:.1rem;padding:.55rem .2rem;font-size:.75rem;font-weight:700;line-height:1.2;display:grid;box-shadow:0 2px 6px #0e2e3124}[dir=rtl] .ck-tabs button{border-radius:0 8px 8px 0}.ck-tabs__no{writing-mode:horizontal-tb;font-family:var(--ck-display);color:var(--gold);font-size:.875rem}.ck-method[data-chapter="0"] .ck-tabs [data-k="0"],.ck-method[data-chapter="1"] .ck-tabs [data-k="1"],.ck-method[data-chapter="2"] .ck-tabs [data-k="2"],.ck-method[data-chapter="3"] .ck-tabs [data-k="3"]{background:var(--amber);translate:6px}[dir=ltr] .ck-method[data-chapter] .ck-tabs button{border-radius:8px 0 0 8px}@media (hover:hover) and (pointer:fine){.ck-tabs button:hover{background:var(--amber)}}.ck-chapter-text{align-content:center;gap:clamp(.6rem,1.6vh,1.1rem);display:grid}.ck-chapter-text__tab{color:var(--ink-soft);align-items:center;gap:.6rem;font-size:.9375rem;font-weight:700;display:inline-flex}.ck-chapter-text__tab span{background:var(--amber);width:2rem;height:2rem;color:var(--ink-2);border-radius:50%;place-items:center;font-size:.9375rem;display:grid}.ck-chapter-text h3{font-family:var(--ck-display);font-size:clamp(1.6rem,1rem + 2vw,2.8rem);font-weight:700;line-height:1.35}:root[lang=en] .ck-chapter-text h3{letter-spacing:-.02em;line-height:1.12}.ck-chapter-text__body{max-width:30em;font-size:clamp(1rem,.95rem + .3vw,1.18rem)}.ck-chapter-text__ask{color:var(--ink);font-weight:600}.ck-chapter-text__ask span{-webkit-box-decoration-break:clone;box-decoration-break:clone;background-image:linear-gradient(#0000 62%,#edc68a99 62%);padding-inline:.15em}.ck-chapters,.ck-method:not([data-fk-pinned]) .ck-book--method,.ck-method:not([data-fk-pinned]) .ck-hint{display:none}.ck-method:not([data-fk-pinned]) .ck-chapters{gap:clamp(2.5rem,6vw,4rem);width:min(100%,72rem);margin-inline:auto;display:grid}.ck-method:not([data-fk-pinned]) .ck-method__stage{padding-block:clamp(3.5rem,8vw,6rem)}.ck-chapter{background-color:var(--page);background-image:linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);background-size:26px 26px;border-radius:14px;grid-template-columns:minmax(0,5fr) minmax(0,6fr);align-items:center;gap:clamp(1.5rem,4vw,3.5rem);padding:clamp(1rem,3vw,1.5rem);display:grid;box-shadow:0 30px 40px -34px #0e2e3180}.ck-chapter__photo{aspect-ratio:4/5;border-radius:10px;overflow:hidden}.ck-chapter__photo img{object-fit:cover;width:100%;height:100%}.ck-session{--k:0;padding-block:clamp(5rem,10vw,8rem)}.ck-session__body{grid-template-columns:minmax(0,6fr) minmax(0,5fr);align-items:start;gap:clamp(2rem,5vw,5rem);display:grid}.ck-notebook{top:calc(var(--head-h) + 2rem);aspect-ratio:400/320;background-color:var(--page);background-image:linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);background-size:20px 20px;border-radius:12px;margin:0;position:sticky;rotate:-1deg;box-shadow:0 2px 4px #0e2e3114,0 40px 60px -40px #0e2e3180}.ck-notebook:before{content:"";background:#edc68ab3;width:2px;position:absolute;inset-block:0;inset-inline-start:1.6rem}.ck-notebook svg{width:88%;height:88%;position:absolute;inset:6%;overflow:visible}.ck-notebook path{fill:none;stroke:var(--ink);stroke-width:2.2px;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:1;stroke-dashoffset:calc(1 - clamp(0, (var(--k) - var(--a)) / (var(--b) - var(--a)), 1))}.ck-notebook path:nth-child(6),.ck-notebook path:nth-child(7){stroke:var(--gold)}.ck-notebook path:nth-child(8){stroke:var(--celadon);stroke-width:4px}.ck-notebook__clock{top:.9rem;background:var(--ink);color:var(--oat);direction:ltr;border-radius:999px;padding:.2rem .65rem;font-family:Manrope Variable,monospace;font-size:.875rem;font-weight:700;position:absolute;inset-inline-end:1rem}.ck-steps{border-inline-start:2px solid var(--line);gap:.4rem;display:grid}.ck-steps li{opacity:.38;transition:opacity .4s var(--ease);gap:.2rem;padding:1rem 1.4rem;display:grid;position:relative}.ck-steps li:before{content:"";inset-inline-start:-7px;background:var(--oat);border:2px solid var(--line-strong);width:12px;height:12px;transition:background-color .3s, border-color .3s, scale .3s var(--ease);border-radius:50%;position:absolute;top:1.45rem}.ck-steps li[data-on]{opacity:1}.ck-steps li[data-on]:before{background:var(--amber);border-color:var(--gold)}.ck-steps li[data-cur]:before{scale:1.35}.ck-steps li[data-cur]{background:linear-gradient(to var(--to-in,left), #edc68a2e, transparent 70%);border-radius:0 10px 10px 0}[dir=ltr] .ck-steps li[data-cur]{--to-in:right}.ck-steps__time{color:var(--gold);font-family:Manrope Variable,monospace;font-size:.875rem;font-weight:700}.ck-steps h3{font-family:var(--ck-display);font-size:1.3rem;font-weight:700;line-height:1.4}.ck-revision{grid-template-columns:minmax(0,4fr) minmax(0,7fr);align-items:center;gap:clamp(1.5rem,4vw,3.5rem);margin:clamp(3rem,7vw,5rem) 0 0;display:grid}.ck-revision__img{aspect-ratio:4/5;border-radius:12px;overflow:hidden;rotate:1.5deg;box-shadow:0 30px 50px -30px #0e2e3180}.ck-revision__img img{object-fit:cover;width:100%;height:100%}.ck-revision figcaption{max-width:22em;font-size:clamp(1.25rem,1rem + 1vw,1.9rem);line-height:1.6}.ck-catalog{background:var(--oat-2);padding-block:clamp(4rem,8vw,6.5rem)}.ck-shelf{border-bottom:10px solid #d9cfba;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(1.25rem,3vw,2.5rem);padding-bottom:1rem;display:grid}.ck-workbook{justify-items:start;gap:.8rem;display:grid}.ck-workbook__book{aspect-ratio:3/4;perspective:1600px;width:100%;position:relative}.ck-workbook__inside{background-color:var(--page);background-image:repeating-linear-gradient(transparent 0 31px, var(--grid) 31px 32px);box-shadow:inset 0 0 0 1px var(--line);border-radius:6px 12px 12px 6px;align-content:start;gap:.9rem;padding:1.5rem 1.4rem;display:grid;position:absolute;inset:0}.ck-workbook__label{color:var(--ink-soft);font-size:.875rem;font-weight:700}.ck-workbook__inside ul{gap:.55rem;display:grid}.ck-workbook__inside li{align-items:center;gap:.6rem;font-size:.9688rem;font-weight:600;display:flex}.ck-workbook__inside li span{border:1.5px dashed var(--gold);border-radius:4px;flex:none;width:1rem;height:1rem}.ck-workbook__cover{z-index:2;text-align:start;background:var(--ink);color:var(--oat);transform-origin:var(--spine,right) 50%;backface-visibility:hidden;background-image:linear-gradient(#ffffff0a 1px,#0000 1px),linear-gradient(90deg,#ffffff0a 1px,#0000 1px);background-size:6px 6px;border-radius:6px 12px 12px 6px;align-content:space-between;justify-items:start;padding:1.5rem 1.4rem 1.8rem;transition:transform .9s cubic-bezier(.65,0,.2,1),box-shadow .5s;display:grid;position:absolute;inset:0;box-shadow:inset 10px 0 #0000001f,0 24px 40px -20px #0e2e318c}[dir=rtl] .ck-workbook__cover{border-radius:12px 6px 6px 12px;box-shadow:inset -10px 0 #0000001f,0 24px 40px -20px #0e2e318c}[dir=ltr] .ck-workbook__cover{--spine:left}.ck-workbook__cover img{background:var(--page);border-radius:50%;width:60px;height:60px;padding:6px}.ck-workbook__cover strong{font-family:var(--ck-display);font-size:clamp(1.4rem,1.1rem + 1vw,1.9rem);line-height:1.3}.ck-workbook__soon{background:var(--amber);color:var(--ink-2);border-radius:999px;padding:.2rem .7rem;font-size:.8125rem;font-weight:700}.ck-workbook__band{inset-inline:0;background:#edc68ad9;height:14px;position:absolute;bottom:18%}.ck-workbook--celadon .ck-workbook__cover{background-color:var(--celadon);color:var(--ink-2)}.ck-workbook--amber .ck-workbook__cover{background-color:var(--amber);color:var(--ink-2)}.ck-workbook--amber .ck-workbook__soon{background:var(--ink);color:var(--oat)}.ck-workbook--amber .ck-workbook__band{background:#153f43cc}.ck-workbook[data-open] .ck-workbook__cover{transform:rotateY(-150deg)}[dir=ltr] .ck-workbook[data-open] .ck-workbook__cover{transform:rotateY(150deg)}.ck-workbook__cover:focus-visible{outline-offset:4px}.ck-kit{grid-template-columns:minmax(0,7fr) minmax(0,4fr);align-items:center;gap:clamp(1.5rem,4vw,3rem);margin:clamp(3rem,6vw,4.5rem) 0 0;display:grid}.ck-kit__img{aspect-ratio:3/2;border-radius:14px;overflow:hidden}.ck-kit__img img{object-fit:cover;width:100%;height:100%;transition:scale 1.2s var(--ease)}@media (hover:hover) and (pointer:fine){.ck-kit:hover .ck-kit__img img{scale:1.04}}.ck-kit figcaption{justify-items:start;gap:1rem;display:grid}.ck-kit__line{font-family:var(--ck-display);font-size:clamp(1.25rem,1rem + .9vw,1.7rem);font-weight:600;line-height:1.55}.ck-fit{padding-block:clamp(4.5rem,9vw,7rem)}.ck-fit__in{grid-template-columns:minmax(0,5fr) minmax(0,6fr);align-items:start;gap:clamp(2rem,5vw,5rem);display:grid}.ck-fit__side{top:calc(var(--head-h) + 2rem);justify-items:start;gap:1.2rem;display:grid;position:sticky}.ck-fit__promise{font-family:var(--ck-display);border-inline-start:4px solid var(--amber);padding-inline-start:1.1rem;font-size:clamp(1.25rem,1rem + .9vw,1.7rem);font-weight:600;line-height:1.6}.ck-acc{border-top:1px solid var(--line-strong)}.ck-acc li{border-bottom:1px solid var(--line-strong)}.ck-acc button{text-align:start;width:100%;min-height:4rem;font-family:var(--ck-display);justify-content:space-between;align-items:center;gap:1rem;padding-block:1rem;font-size:clamp(1.1rem,1rem + .4vw,1.35rem);font-weight:600;display:flex}.ck-acc__tab{background:var(--celadon);width:1.6rem;height:.7rem;transition:background-color .3s, height .3s var(--ease);border-radius:3px 3px 0 0;flex:none}.ck-acc li[data-open] .ck-acc__tab{background:var(--amber);height:1.2rem}.ck-acc__a{transition:grid-template-rows .42s var(--ease);grid-template-rows:0fr;display:grid}.ck-acc__a>div{overflow:hidden}.ck-acc__a p{max-width:40em;padding-bottom:1.2rem}.ck-acc li[data-open] .ck-acc__a{grid-template-rows:1fr}.ck-reflect{background:var(--celadon-2);padding-block:clamp(4rem,8vw,6rem)}.ck-reflect__in{grid-template-columns:minmax(0,4fr) minmax(0,7fr);align-items:center;gap:clamp(2rem,5vw,5rem);display:grid}.ck-reflect__photo{aspect-ratio:4/5;border-radius:999px 999px 14px 14px;overflow:hidden}.ck-reflect__photo img{object-fit:cover;width:100%;height:100%}.ck-reflect__page{justify-items:start;gap:1.1rem;display:grid}.ck-reflect__prompt{max-width:32em;font-size:clamp(1.1rem,1rem + .4vw,1.3rem);font-weight:500}.ck-reflect__paper{perspective:1400px;width:100%;position:relative}.ck-reflect__paper textarea{resize:vertical;background:var(--page) repeating-linear-gradient(transparent 0 calc(2em - 1px), var(--grid) calc(2em - 1px) 2em);width:100%;min-height:12rem;font:500 1.125rem/2em var(--ck-font);color:var(--ink);transform-origin:50% 0;background-attachment:local;border:0;border-radius:10px;padding:.6rem 1rem;transition:transform .9s cubic-bezier(.65,0,.2,1),opacity .6s .3s;display:block;box-shadow:0 2px 4px #0e2e3114,0 30px 40px -30px #0e2e3173}.ck-reflect__paper textarea:focus-visible{outline:2px solid var(--ink);outline-offset:3px}.ck-reflect__fold{inset-inline:0;opacity:0;background:linear-gradient(90deg,#0000,#0e2e3140,#0000);height:2px;transition:opacity .4s;position:absolute;top:50%}.ck-reflect__page[data-folded] textarea{opacity:.25;transform:rotateX(-82deg)scaleY(.5)}.ck-reflect__page[data-folded] .ck-reflect__fold{opacity:1}.ck-reflect__done{animation:ck-rise .6s var(--ease) .5s both;flex-wrap:wrap;align-items:center;gap:.5rem 1rem;font-weight:600;display:flex}@keyframes ck-rise{0%{opacity:0;transform:translateY(10px)}}.ck-interest{padding-block:clamp(4.5rem,9vw,7rem)}.ck-interest__in{grid-template-columns:minmax(0,5fr) minmax(0,6fr);align-items:start;gap:clamp(2rem,5vw,5rem);display:grid}.ck-interest__copy{gap:1rem;display:grid}.ck-card{background:var(--page);box-shadow:0 1px 0 var(--line), 0 30px 50px -36px #0e2e3173;border-radius:16px;padding:clamp(1.5rem,3vw,2.5rem)}.ck-form{gap:1rem;display:grid}.ck-form__row{grid-template-columns:1fr 1fr;gap:1rem;display:grid}.ck-field{gap:.35rem;display:grid}.ck-field label,.ck-who legend{font-size:.9688rem;font-weight:600}.ck-field :is(input,textarea){border:1px solid var(--line-strong);background:var(--oat);width:100%;min-height:3rem;color:var(--ink);font:inherit;box-sizing:border-box;border-radius:10px;padding:.6rem .85rem;line-height:1.6;transition:border-color .16s,box-shadow .16s}.ck-field :is(input,textarea):focus-visible{border-color:var(--ink);outline:none;box-shadow:0 0 0 3px #153f4329}.ck-field [aria-invalid=true]{border-color:#9a3b2b}.ck-who{border:0;flex-wrap:wrap;gap:.5rem;margin:0;padding:0;display:flex}.ck-who legend{margin-bottom:.5rem}.ck-who label{cursor:pointer;position:relative}.ck-who input{opacity:0;cursor:pointer;position:absolute;inset:0}.ck-who span{border:1.5px solid var(--line-strong);border-radius:999px;align-items:center;min-height:2.6rem;padding:0 1rem;font-weight:600;transition:background-color .2s,color .2s,border-color .2s;display:inline-flex}.ck-who input:checked+span{background:var(--ink);color:var(--oat);border-color:var(--ink)}.ck-who input:focus-visible+span{outline:2px solid var(--ink);outline-offset:3px}.ck-form__privacy{color:var(--ink-soft);font-size:.875rem}.ck-form__send{flex-wrap:wrap;align-items:center;gap:.75rem 1.25rem;display:flex}.ck-form__status{outline:none;font-weight:600}.ck-form__status:empty{display:none}.ck-sent{justify-items:start;gap:1rem;font-size:1.25rem;font-weight:600;display:grid}.ck-sent p{outline:none}.ck-sent__tick{background:var(--amber);border-radius:50%;place-items:center;width:3.2rem;height:3.2rem;display:grid}.ck-sent__tick svg{width:60%}.ck-sent__tick path{fill:none;stroke:var(--ink);stroke-width:3.5px;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:1;stroke-dashoffset:1px;animation:ck-tick .6s var(--ease) .2s forwards}@keyframes ck-tick{to{stroke-dashoffset:0}}.ck-family{gap:1.2rem;padding-block:0 clamp(4rem,8vw,6rem);display:grid}.ck-family__doors{grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;display:grid}.ck-door{background:var(--oat-2);transition:background-color .3s var(--ease), transform .4s var(--ease);border-radius:14px;grid-template-rows:auto auto;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;column-gap:1rem;padding:1.2rem 1.4rem;text-decoration:none;display:grid;position:relative}.ck-door img{object-fit:contain;grid-row:1/3;width:56px;height:56px}.ck-door strong{font-family:var(--ck-display);font-size:1.25rem}.ck-door span{color:var(--ink-soft);grid-column:2;font-size:.9688rem}.ck-door .fk-arrow{transition:translate .26s var(--ease);grid-area:1/3/3}@media (hover:hover) and (pointer:fine){.ck-door:hover{background:var(--celadon-2);transform:translateY(-3px)}.ck-door:hover .fk-arrow{translate:calc(var(--dir-sign,-1) * 5px) 0}}[dir=ltr] .ck-door{--dir-sign:1}.ck-foot{background:var(--ink-2);color:var(--oat);padding-block:clamp(3rem,6vw,4.5rem) 1.5rem}.ck-foot__in{width:min(100% - 2 * var(--gutter), 78rem);flex-wrap:wrap;justify-content:space-between;gap:2rem;margin-inline:auto;display:flex}.ck-foot__mark{justify-items:start;gap:1rem;display:grid}.ck-foot__mark img{background:var(--page);border-radius:50%;width:84px;height:84px;padding:8px}.ck-foot__links{grid-template-columns:repeat(2,auto);align-content:start;gap:.2rem 3rem;display:grid}.ck-foot__links a{align-items:center;min-height:2.5rem;text-decoration:none;display:inline-flex}@media (hover:hover) and (pointer:fine){.ck-foot__links a:hover{text-decoration:underline;-webkit-text-decoration-color:var(--amber);text-decoration-color:var(--amber);text-underline-offset:.3em}}.ck-foot__base{width:min(100% - 2 * var(--gutter), 78rem);color:#f6f3ebbf;border-top:1px solid #f6f3eb29;flex-wrap:wrap;gap:.5rem 1.5rem;margin:2rem auto 0;padding-top:1rem;font-size:.875rem;display:flex}.ck-foot__base a{color:var(--oat);margin-inline-start:auto}::view-transition-old(root){animation:ck-vt-out .36s var(--ease) both}::view-transition-new(root){animation:ck-vt-in .6s var(--ease) both}@keyframes ck-vt-out{to{opacity:.4}}@keyframes ck-vt-in{0%{clip-path:inset(100% 0 0)}}@media (width<=860px){.ck-book{filter:none;grid-template-columns:1fr}.ck-book__gutter,.ck-ribbon--hero{display:none}.ck-book--hero .ck-page--start{border-radius:12px 12px 0 0}.ck-book--hero .ck-page--end{aspect-ratio:4/5;border-radius:0 0 12px 12px;animation:none}.ck-book--hero{border-radius:12px;box-shadow:0 30px 40px -30px #0e2e3180}.ck-session__body,.ck-revision,.ck-kit,.ck-fit__in,.ck-reflect__in,.ck-interest__in,.ck-chapter{grid-template-columns:1fr}.ck-notebook{top:calc(var(--head-h) + .5rem);z-index:2;position:sticky;rotate:0deg}.ck-book--hero .ck-page--end img,.ck-hero__clip{object-position:50% 78%}.ck-shelf{border-bottom:0;grid-template-columns:1fr;gap:2.5rem}.ck-workbook__book{width:min(100%,20rem)}.ck-fit__side{position:static}.ck-family__doors,.ck-form__row{grid-template-columns:1fr}.ck-reflect__photo{width:min(70%,18rem)}}@media (prefers-reduced-motion:reduce){.fk-w__i{transition:none!important;animation:none!important;transform:none!important}.ck-ribbon,.ck-book--hero .ck-page--end,.ck-book--hero .ck-page--end img,.ck-hint:after,.ck-hero__clip{animation:none!important}.ck-hero__clip{opacity:1}.ck-workbook__cover,.ck-reflect__paper textarea,.ck-acc__a{transition:none}.ck-session{--k:1!important}::view-transition-old(root){animation:none}::view-transition-new(root){animation:none}}