:root{color-scheme:dark;--bg:#101611;--ink:#eee9de;--muted:#a5aea2;--gold:#d2ad73;--line:#657060;--serif:Georgia,'Noto Serif','Songti SC','Songti TC','Yu Mincho','Batang',serif;--sans:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;background:var(--bg);color:var(--ink);font:20px/1.55 var(--sans);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration-thickness:1px;text-underline-offset:6px}a:hover{color:var(--gold)}a:focus-visible,select:focus-visible{outline:2px solid var(--gold);outline-offset:7px}button,select{font:inherit}img{display:block;max-width:100%;height:auto}h1,h2,h3,p,figure,dl,dd{margin:0}h1,h2,h3,.brand{font-family:var(--serif)}h1,h2{font-weight:500;letter-spacing:-.04em;line-height:1.05}h3{font-size:24px;font-weight:500;margin:30px 0 12px}p{color:var(--muted)}.container{width:calc(100% - 112px);max-width:1328px;margin-inline:auto}.site-header{min-height:108px;display:flex;align-items:center;justify-content:space-between;gap:28px;border-bottom:1px solid var(--line)}.brand{font-size:40px;font-weight:600;line-height:1.15;text-decoration:none;letter-spacing:-.025em}.site-header nav,.site-footer nav{display:flex;align-items:center;gap:38px}.site-header nav>a,.site-footer nav>a{text-decoration:none;white-space:nowrap}nav [aria-current=page]{text-decoration:underline;text-decoration-color:var(--gold)}.language{position:relative;display:flex;align-items:center}.language select{max-width:190px;padding:7px 39px 7px 15px;background:transparent;color:var(--ink);border:1px solid var(--line);border-radius:7px;appearance:none;cursor:pointer;font-size:18px;line-height:1.4}.language option{background:var(--bg);color:var(--ink)}.language svg{position:absolute;right:12px;pointer-events:none;width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.5}.hero{min-height:740px;display:grid;grid-template-columns:.96fr 1.04fr;align-items:center;gap:36px;padding:90px 0 100px}.hero h1{font-size:clamp(52px,6.6vw,96px);letter-spacing:-.045em;overflow-wrap:normal}.hero .lead{margin-top:30px;font-size:22px;max-width:32ch}.hero-description{font-size:20px;margin-top:5px;max-width:40ch}.hero-actions{display:flex;align-items:center;gap:32px;margin-top:42px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;background:var(--gold);color:#141b12;border-radius:7px;padding:13px 26px;font-family:var(--serif);font-size:25px;font-weight:600;text-decoration:none;line-height:1.35}.button:hover{background:#e2bd83;color:#11170f}.text-link{display:inline-flex;gap:10px;align-items:center;color:var(--gold);font-size:20px}.text-link svg,.contact-links svg{width:20px;height:20px;flex:none;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}.platforms{margin-top:46px;font-size:17px;line-height:1.5}.availability{margin-top:7px;font-size:17px}.product{align-self:center;margin-top:12px}.product img{width:100%;border-radius:6px}.product figcaption{text-align:center;margin-top:22px;font:500 26px/1.4 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.2em}.counting{padding:70px 0 82px;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;gap:80px}.counting h2,.challenge h2{font-size:clamp(40px,4.55vw,66px);line-height:1.12}.counting .lead{margin-top:30px;max-width:35ch}.rules>div{display:grid;grid-template-columns:108px 1fr;gap:18px;align-items:center;border-bottom:1px solid var(--line);padding:13px 0 20px}.rules>div:first-child{padding-top:0}.rules>div:last-child{border-bottom:0}.rules dt{color:var(--gold);font:500 76px/1 var(--serif)}.rules dd{font:25px/1.35 var(--serif);color:var(--ink)}.challenge{border-top:1px solid var(--line);padding:66px 0 80px}.challenge h2{max-width:22ch}.equation{display:grid;gap:10px;color:var(--ink);font:400 clamp(23px,3vw,43px)/1.6 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.05em;margin:34px 0 26px}.equation span{white-space:nowrap}.challenge .text-link{font:25px/1.5 var(--serif);margin-top:18px}.site-footer{border-top:1px solid var(--line);padding:30px 0 35px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}.site-footer .brand{font-size:32px}.site-footer nav{font-size:17px;gap:32px}.copyright{border-left:1px solid var(--line);padding-left:28px;white-space:nowrap}.language-links{width:100%;font-size:13px;display:flex;flex-wrap:wrap;gap:8px 19px;padding-top:22px}.language-links a{color:var(--muted);text-decoration:none}.language-links [aria-current=page]{color:var(--gold)}.document{padding:60px 0 90px}.document-heading{margin-bottom:55px}.document h1{font-size:clamp(48px,6.5vw,88px)}.document-heading .lead{font-size:24px;margin-top:23px;max-width:58ch}.updated{font-size:16px;margin-top:22px}.document-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:48px;align-items:start}.contents{position:sticky;top:30px;border-right:1px solid var(--line);padding-right:34px}.contents nav{display:flex;flex-direction:column;gap:20px}.contents a{font-size:18px;text-decoration:none;color:var(--ink);padding-bottom:12px;border-bottom:2px solid transparent}.contents a.is-current{color:var(--gold);border-color:var(--gold)}article{max-width:100%;min-width:0}article section+section{margin-top:48px}article h2{font-size:36px;line-height:1.2;margin-bottom:18px;letter-spacing:-.025em}article p{font-size:20px;line-height:1.7;max-width:72ch}article a{overflow-wrap:anywhere}article section{scroll-margin-top:30px}.article-equation{color:var(--ink);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:clamp(16px,1.65vw,23px);margin:10px 0 20px;overflow-wrap:anywhere}.contact-links{display:flex;flex-wrap:wrap;gap:20px 30px;margin-top:24px}.contact-links a{display:inline-flex;align-items:center;gap:9px;color:var(--gold);font-size:18px}.email-address{display:inline-block;font-size:19px;margin-top:18px}.external-policies{margin-top:15px;font-size:16px}.compatibility{margin-top:10px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px}.compatibility>div{border-top:1px solid var(--line);padding-top:12px}.compatibility dt{color:var(--muted);font-size:15px}.compatibility dd{font-size:22px;margin-top:4px}.error{padding-block:100px}.error h1{font-size:64px;margin:60px 0 25px}.error p{margin:0 0 35px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip{position:fixed;top:0;left:24px;transform:translateY(-150%);background:var(--gold);color:#101611;padding:10px 20px;z-index:10}.skip:focus{transform:translateY(10px)}
@media(min-width:1100px){html[lang=fr] .hero h1,html[lang=es] .hero h1,html[lang=ms] .hero h1{font-size:clamp(62px,5.6vw,84px)}html[lang=ko] .hero h1{font-size:clamp(54px,5.4vw,80px)}}
@media(max-width:1090px){.container{width:calc(100% - 64px)}.site-header{min-height:96px}.brand{font-size:32px}.site-header nav{gap:22px;font-size:17px}.hero{gap:24px;min-height:680px;padding-block:65px}.hero h1{font-size:clamp(48px,6.3vw,70px)}.hero .lead{font-size:20px}.hero-description{font-size:18px}.hero-actions{gap:20px}.button{font-size:23px;padding:12px 22px}.platforms,.availability{font-size:15px}.counting{gap:35px}.rules dt{font-size:62px}.rules>div{grid-template-columns:85px 1fr}.rules dd{font-size:23px}.document-layout{grid-template-columns:195px minmax(0,1fr);gap:30px}.contents{padding-right:22px}.contents a{font-size:16px}article h2{font-size:30px}article p{font-size:18px}}
@media(max-width:760px){.container{width:calc(100% - 48px)}.site-header{min-height:auto;padding-block:22px;align-items:flex-start;flex-wrap:wrap;gap:21px}.brand{font-size:31px}.site-header nav{width:100%;justify-content:space-between;gap:15px;font-size:16px}.language select{font-size:15px;padding:7px 31px 7px 10px;max-width:155px}.language svg{right:9px;width:15px}.hero{display:flex;flex-direction:column;align-items:stretch;padding:58px 0 55px;gap:45px;min-height:0}.hero h1{font-size:clamp(44px,11.8vw,70px)}.hero .lead{font-size:20px;margin-top:25px}.hero-description{font-size:18px}.hero-actions{margin-top:29px;gap:22px;align-items:flex-start;flex-direction:column}.button{font-size:23px}.text-link{font-size:18px}.platforms{font-size:14px;margin-top:30px;max-width:26ch}.availability{font-size:14px}.product{margin-top:0;width:100%}.product figcaption{font-size:20px;margin-top:15px}.counting{display:block;padding:45px 0 48px}.counting h2,.challenge h2{font-size:40px}.counting .lead{font-size:18px;margin-top:23px}.rules{margin-top:33px}.rules>div{grid-template-columns:73px 1fr;gap:15px;padding:18px 0}.rules dt{font-size:56px}.rules dd{font-size:22px}.challenge{padding:44px 0 50px}.equation{font-size:clamp(15px,4.3vw,26px);letter-spacing:0;margin-top:26px;gap:6px}.challenge .lead{font-size:18px}.challenge .text-link{font-size:22px}.site-footer{padding-top:25px;gap:24px}.site-footer .brand{font-size:29px}.site-footer nav{width:100%;gap:20px;font-size:15px;flex-wrap:wrap}.copyright{margin-left:auto;padding-left:20px}.language-links{gap:9px 15px;padding-top:10px}.document{padding:42px 0 56px}.document h1{font-size:clamp(42px,10vw,64px);overflow-wrap:anywhere}.document-heading{margin-bottom:30px}.document-heading .lead{font-size:20px;margin-top:22px}.updated{font-size:14px}.document-layout{display:block}.contents{position:static;border:0;border-bottom:1px solid var(--line);padding:0 0 15px;margin-bottom:32px}.contents nav{flex-direction:row;gap:22px;overflow-x:auto;padding:3px 0 6px}.contents a{font-size:15px;flex:none;max-width:200px;line-height:1.5;padding-bottom:8px}.document h2{font-size:29px}article p{font-size:18px;line-height:1.7}article section+section{margin-top:36px}.compatibility{grid-template-columns:repeat(2,1fr)}.contact-links{flex-direction:column;gap:18px}.email-address{font-size:17px;overflow-wrap:anywhere}.error{padding-block:50px}.error h1{font-size:45px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media(max-width:760px){.site-header nav{gap:12px}.site-header .language{min-width:0;flex:0 1 155px}.site-header .language select{width:100%;min-width:0;max-width:100%}}
@media(max-width:360px){.site-header nav{font-size:14px;gap:10px}.site-header .language{flex-basis:122px}.site-header .language select{font-size:14px;padding-left:8px}}