html{scroll-padding-top:115px}.languages a{padding:4px 7px;border-radius:3px;font-size:13px}.languages a[aria-current]{background:#fff0d8;color:#815000;font-weight:700}.header .brand small{display:block}.xf-hero{display:grid;grid-template-columns:1.2fr 1fr;gap:70px;align-items:center;min-height:650px;padding-block:70px}.xf-hero h1{font-size:clamp(44px,5vw,70px);letter-spacing:-2px;line-height:1.22}.xf-hero h1 span{display:block;font-size:clamp(28px,3.1vw,43px);color:#ad6500;margin-top:20px;letter-spacing:-1px}.xf-intro{max-width:500px;font-size:18px;line-height:1.95;color:var(--muted);margin-top:30px}.xf-art{background:#f6f5ee;border:1px solid #e8e5d9;min-height:470px;border-radius:180px 180px 8px 8px;text-align:center;padding:40px 22px 30px;position:relative}.orbit{position:relative;width:290px;height:275px;margin:auto}.orbit-circle{position:absolute;width:190px;height:190px;border-radius:50%;border:1px solid #c99239;background:#f2ad2522}.circle-one{left:50px;top:0}.circle-two{left:0;top:80px;background:#ccd6cb45;border-color:#819383}.circle-three{right:0;top:80px;background:#ead4ad45}.orbit strong{position:absolute;left:50%;top:144px;transform:translateX(-50%);font-size:18px;white-space:nowrap;letter-spacing:2px}.orbit-word{position:absolute;font-size:12px;font-weight:700;letter-spacing:2px;color:#515547}.orbit-word.one{top:35px;left:50%;transform:translateX(-50%)}.orbit-word.two{left:24px;top:177px}.orbit-word.three{right:17px;top:177px}.xf-art>p{font-size:22px;line-height:1.65;margin-top:22px}.art-caption{font-size:10px;letter-spacing:2px;color:#7c7e70;display:block;margin-top:22px}.xf-definition{background:#f5f6f2;padding-block:74px;border-block:1px solid var(--line)}.xf-two{display:grid;grid-template-columns:1fr 1.2fr;gap:90px}.xf-body{font-size:20px;line-height:1.95}.xf-muted{color:var(--muted);margin-top:22px}.xf-pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}.xf-pillar{border-top:3px solid var(--brand);padding:30px 0 0;display:flex;flex-direction:column}.xf-number{color:#9c732e;font-size:14px;letter-spacing:3px}.xf-pillar h3{font-size:30px;margin-top:18px}.xf-pillar h4{font-size:17px;margin:15px 0 18px}.xf-pillar>p{color:var(--muted);font-size:15px;line-height:1.9;flex:1}.xf-question{background:#f6f5ee;padding:22px;margin-top:28px;min-height:133px}.xf-question small,.xf-step small{font-size:11px;color:#986219;letter-spacing:1px}.xf-question p{margin-top:8px;font-weight:600;font-size:16px}.xf-step{padding:20px 2px 0}.xf-step p{font-size:14px;margin-top:6px;color:var(--muted)}.xf-scenes{background:#242c28;color:#fff}.xf-scenes .eyebrow{color:#ffbd55}.xf-scenes .section-head>p{color:#bdc5bf;max-width:360px}.xf-scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:42px}.xf-scene-grid article{border-top:1px solid #627165;padding-top:24px}.xf-scene-no{font-size:12px;color:#edc58a;letter-spacing:1px}.xf-scene-grid h3{font-size:24px;margin:24px 0 18px}.xf-scene-grid p{color:#d6ddd7;font-size:15px;line-height:1.9}.xf-scene-grid article>div{margin-top:28px;border-top:1px solid #46594b;padding-top:20px}.xf-scene-grid small{color:#ffbd55;font-size:11px}.xf-scene-grid article>div p{margin-top:9px}.xf-reading{border-top:1px solid var(--line)}.xf-book{border-bottom:1px solid var(--line)}.xf-book summary{display:flex;align-items:center;gap:26px;cursor:pointer;list-style:none;padding:27px 0}.xf-book summary::-webkit-details-marker{display:none}.xf-book-type{width:140px;flex-shrink:0;font-size:12px;color:#916019}.xf-book h3{font-size:21px;flex:1}.xf-plus{font-size:28px;color:#927040;line-height:1}.xf-book[open] .xf-plus{transform:rotate(45deg)}.xf-book-body{padding:0 50px 30px 166px;max-width:980px;font-size:15px;color:var(--muted)}.xf-book-body p+p{margin-top:15px}.xf-book-body a{display:inline-block;margin-top:19px;color:#945c00;border-bottom:1px solid #d3b787;font-size:13px}.xf-practice{background:#f5f6f2}.xf-checks label{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid #dce0d6;align-items:flex-start;cursor:pointer;font-size:16px}.xf-checks input{width:21px;height:21px;accent-color:#a96500;margin:5px 0 0;flex-shrink:0}.xf-checks label:has(input:checked){color:#8b600e}.xf-progress{display:flex;justify-content:space-between;gap:20px;margin-top:23px;font-size:13px}.xf-progress button{border:0;border-bottom:1px solid #a6a99c;background:transparent;color:var(--muted);cursor:pointer}.xf-fine{font-size:12px;color:var(--muted);margin-top:16px}.xf-closing{background:#f29700;text-align:center;padding:85px 0}.xf-closing .eyebrow{justify-content:center;color:#3f321a}.xf-closing h2{font-size:48px}.xf-closing p:not(.eyebrow){margin:24px auto;color:#463310;font-size:17px}.xf-closing .button{background:#242c28;color:#fff;margin-top:8px}.xf-footer{padding-block:35px;display:flex;justify-content:space-between;gap:40px;font-size:13px}.xf-footer p{font-size:11px;color:var(--muted);max-width:710px;margin-top:10px}.xf-footer>a{white-space:nowrap}summary:focus-visible,input:focus-visible{outline:3px solid #956000;outline-offset:4px}html:lang(en) .xf-hero h1{font-size:60px;letter-spacing:-2.5px}html:lang(en) .brand small{font-size:9px;letter-spacing:.5px}html:lang(en) .xf-pillar h3{font-size:26px}html:lang(en) h2{font-size:36px}html:lang(en) .orbit-word{font-size:10px;letter-spacing:.5px}
@media(max-width:1000px){.xf-hero{gap:35px}.xf-two{gap:40px}.xf-art{padding-inline:10px}.xf-pillars{gap:22px}.xf-scene-grid{gap:25px}.xf-hero .actions{flex-wrap:wrap}}
@media(max-width:800px){html{scroll-padding-top:100px}.xf-hero{grid-template-columns:1fr;padding-block:45px;gap:45px}.xf-hero h1{font-size:54px}.xf-hero h1 span{font-size:31px}.xf-intro{font-size:17px}.xf-art{width:min(100%,440px);justify-self:center;min-height:440px}.xf-two,.xf-pillars,.xf-scene-grid{grid-template-columns:1fr;gap:30px}.xf-definition{padding-block:50px}.xf-body{font-size:18px}.xf-question{min-height:0}.xf-pillar{padding-top:24px}.xf-book summary{gap:12px;flex-wrap:wrap}.xf-book-type{width:calc(100% - 40px)}.xf-book h3{font-size:19px;order:3;flex-basis:100%}.xf-book .xf-plus{margin-left:auto}.xf-book-body{padding:0 0 25px}.xf-closing h2{font-size:40px}.xf-footer{flex-direction:column;gap:20px}.xf-checks label{font-size:15px}html:lang(en) .xf-hero h1{font-size:49px}html:lang(en) h2{font-size:30px}.header .brand>span{font-size:14px}}
@media(max-width:360px){.xf-art{border-radius:135px 135px 8px 8px}.orbit{transform:scale(.87);transform-origin:top center;width:290px;margin-left:calc((100% - 290px)/2);margin-bottom:-30px}.xf-hero h1{font-size:46px}.xf-hero h1 span{font-size:27px}.xf-art>p{font-size:20px}.header .brand>span{font-size:12px}.header .brand img{width:23px}.header .brand small{font-size:8px}.header .languages{gap:0}.languages a{padding:4px}.header{gap:5px}.header-menu summary{width:32px}.xf-progress{flex-wrap:wrap}html:lang(en) .brand small{font-size:7px;letter-spacing:0}}
.xf-illustration{display:block;width:100%;height:155px;margin:12px 0;color:#788575}.xf-pillar:nth-child(2) .xf-illustration{color:#b47b2f}.xf-pillar:nth-child(3) .xf-illustration{color:#6f877a}.orbit strong{font-size:16px;letter-spacing:1px}.xf-age-tabs{display:flex;gap:10px;margin-bottom:36px;flex-wrap:wrap}.xf-age-tabs button{padding:11px 23px;border:1px solid #68786c;border-radius:30px;background:transparent;color:#e5eae4;font:inherit;cursor:pointer}.xf-age-tabs button[aria-selected=true]{background:#f5c47a;color:#242c28;border-color:#f5c47a}.xf-scene-grid[hidden]{display:none}.xf-book summary{gap:26px;flex-wrap:nowrap}.xf-book-cover{width:91px;height:122px;flex-shrink:0;display:flex;align-items:center;justify-content:center;background:#e8e9dd;color:#425447;box-shadow:3px 3px 0 #c4cabc;border-left:6px solid #71806c;padding:12px;text-align:center;font-size:13px;font-weight:700;line-height:1.6}.xf-book:nth-child(2n) .xf-book-cover{background:#f6e8ce;color:#805e32;border-color:#a87d46;box-shadow:3px 3px 0 #dfccaa}.xf-book-heading{flex:1}.xf-book-type{display:block;width:auto;margin-bottom:9px}.xf-book h3{font-size:21px}.xf-book-body{padding-left:117px}.xf-progress{align-items:center;flex-wrap:wrap}.xf-progress p{margin-right:auto}.xf-book-cover img{width:100%;height:100%;object-fit:contain}.xf-book-cover:has(img){background:transparent;border:0;box-shadow:none;padding:0}button:focus-visible{outline:3px solid #d89432;outline-offset:4px}
@media(max-width:600px){.xf-book summary{gap:20px}.xf-book-cover{width:70px;height:101px;padding:7px;font-size:11px}.xf-book h3{font-size:18px}.xf-book-body{padding-left:90px}.xf-age-tabs button{padding:9px 16px;font-size:14px}.xf-illustration{height:145px}}
@media(max-width:360px){.xf-book-body{padding-left:0}.xf-book summary{gap:14px}.xf-book-cover{width:60px;height:88px}.xf-book h3{font-size:16px}}
html:lang(en) .xf-book-cover{font-size:10px;line-height:1.3;overflow:hidden}
.xf-scenes{background:#dce9dc;color:#234732}.xf-scenes .eyebrow,.xf-scenes .xf-scene-no,.xf-scenes small{color:#3e674b}.xf-scenes .section-head>p,.xf-scene-grid p{color:#3c5845}.xf-scene-grid article{border-color:#9ab39f}.xf-scene-grid article>div{border-color:#aec3af}.xf-age-tabs button{border-color:#8faa95;color:#345a41}.xf-age-tabs button[aria-selected=true]{background:#37664c;color:#fff;border-color:#37664c}.xf-scene-art{display:block;width:100%;height:145px;margin-top:20px;color:#48765a}.xf-scene-grid h3{margin-top:16px}.xf-book-cover{width:105px;height:148px}.xf-book-body{padding-left:131px}.xf-book-cover img{filter:drop-shadow(2px 3px 3px #0002)}
@media(max-width:600px){.xf-book-cover{width:78px;height:114px}.xf-book-body{padding-left:98px}.xf-scene-art{height:140px}}
@media(max-width:360px){.xf-book-body{padding-left:0}}
/* A shared centre axis for the closing label, illustration, headline and copy. */
.xf-closing{padding:64px 0 70px}.xf-closing>.wrap{display:flex;flex-direction:column;align-items:center;text-align:center}.xf-closing .eyebrow{display:block;margin:0;padding:0 0 0 .25em;letter-spacing:.25em;line-height:1.5}.xf-closing .eyebrow::before{display:none;content:none}.xf-closing-art{display:block;width:280px;max-width:80%;height:auto;color:#394139;margin:24px auto 22px}.xf-closing h2{margin:0;font-size:clamp(30px,4.2vw,48px);line-height:1.5;letter-spacing:.035em;padding-left:.035em}.xf-closing h2 span{display:block;white-space:nowrap}.xf-closing p:not(.eyebrow){margin:22px auto 0;max-width:640px;line-height:1.95;text-wrap:balance}.xf-closing .button{margin-top:28px}.xf-closing .eyebrow::after{display:none}
@media(max-width:600px){.xf-closing{padding:48px 0 52px}.xf-closing-art{width:232px;margin:20px auto}.xf-closing p:not(.eyebrow){font-size:15px;max-width:340px}.xf-closing p:not(.eyebrow) br{display:none}.xf-closing .button{margin-top:24px}}