:root{--paper:#f6f5ef;--ink:#20231e;--muted:#62675d;--line:#dcded4;--green:#335c37;--blue:#4169e1}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.65}a{color:inherit;text-underline-offset:4px}button,input{font:inherit}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--blue);outline-offset:4px}button,summary{cursor:pointer}[hidden]{display:none!important}.wrap{width:min(1160px,calc(100% - 64px));margin:auto}.header{min-height:88px;display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line)}.brand{font-size:29px;font-weight:850;letter-spacing:-1.5px;text-decoration:none;white-space:nowrap}.brand span{font-weight:400}.brand:before{content:'●';color:var(--green);font-size:25px;margin-right:10px}nav{display:flex;gap:26px;flex-wrap:wrap}nav a{font-size:14px;text-decoration:none}nav a:hover,.text-link:hover{text-decoration:underline}.skip{position:fixed;left:12px;top:-100px;z-index:20;padding:12px;background:white}.skip:focus{top:10px}.hero{display:grid;grid-template-columns:1.12fr 1fr;gap:60px;align-items:center;padding-block:76px 86px}.eyebrow{font-size:11px;font-weight:750;letter-spacing:1.6px;text-transform:uppercase;margin:0 0 20px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(40px,4.4vw,62px);line-height:1.08;letter-spacing:-2.8px;margin-bottom:24px}h1 em{font-family:Georgia,serif;font-weight:400;color:var(--green)}h2{font-size:clamp(30px,3vw,42px);line-height:1.15;letter-spacing:-1.5px;margin-bottom:20px}h3{font-size:21px;line-height:1.35;letter-spacing:-.4px;margin-bottom:12px}.intro{max-width:460px;font-size:17px;color:var(--muted)}.actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px;margin:24px 0 16px}.button{display:inline-flex;align-items:center;justify-content:center;gap:20px;background:var(--green);color:white;border:1px solid var(--green);border-radius:7px;padding:13px 22px;text-decoration:none;font-size:14px;font-weight:650;min-height:48px}.button:hover{background:#26482a}.text-link{font-size:14px;font-weight:650;text-decoration:none}.micro{font-size:12px;color:var(--muted);line-height:1.7}.hero-art{position:relative;height:408px;border-radius:16px;background:#e8eade;overflow:hidden}.art-label{position:absolute;top:24px;left:26px;letter-spacing:2px;font-size:10px}.swatch{width:188px;height:225px;border-radius:10px;position:absolute;padding:17px;box-shadow:0 15px 25px #20231e18}.swatch span{font-size:9px;letter-spacing:1px;display:block}.swatch strong{position:absolute;bottom:15px;font-size:17px}.yellow{background:#f8d94e;top:66px;left:30px;transform:rotate(-13deg);z-index:3}.yellow i{display:block;font-size:90px;line-height:1.6;text-align:center;font-style:normal}.blue{background:#4169e1;color:white;top:80px;left:156px;transform:rotate(7deg);z-index:2}.pink{background:#f1a6c7;top:116px;right:8px;transform:rotate(22deg)}.art-note{position:absolute;bottom:22px;left:26px;font:italic 14px Georgia,serif}.section{padding-block:64px;border-top:1px solid var(--line)}.section-top{display:flex;justify-content:space-between;gap:20px;align-items:center}.section-lead{max-width:760px;color:var(--muted);font-size:15px}.game-toolbar{background:#e9ebdf;border:1px solid var(--line);border-radius:12px 12px 0 0;padding:12px 18px;display:flex;align-items:center;justify-content:space-between;gap:12px}.game-toolbar p{font-size:12px;margin:0}.small-button{font-size:12px;border:1px solid #a5ad9b;border-radius:5px;padding:9px 12px;background:transparent;color:var(--ink);min-height:40px}.game-wrapper{background:#1a1b1e;border-radius:0 0 12px 12px;overflow:hidden;margin-bottom:14px}.game-wrapper iframe{width:100%;height:780px;border:0;display:block}.game-wrapper.expanded iframe{height:1100px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:32px}.steps p,.article-card p{font-size:14px;color:var(--muted)}.step-number{font:34px Georgia,serif;color:var(--green);display:block;margin-bottom:14px}.practice-section{background:#e9eddf;padding-block:72px}.practice-layout{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}.practice-layout>div>p:not(.eyebrow):not(.micro){color:var(--muted);font-size:15px;max-width:420px}.practice-card{background:var(--paper);border:1px solid #d4daca;border-radius:14px;padding:30px}.practice-top{display:flex;justify-content:space-between;font-size:11px;margin-bottom:24px;color:var(--muted)}.practice-card h3{font-size:20px}.color-pair{display:flex;gap:16px;margin-block:22px}.color-pair>div{flex:1;min-width:0}.color-box{height:140px;border:1px solid #00000015;border-radius:9px}.color-pair p{font-size:12px;color:var(--muted);margin:8px 0 0}.practice-card label{display:flex;justify-content:space-between;font-size:12px;font-weight:650}.practice-card output{font-weight:400}.practice-card input{width:100%;margin:8px 0 16px;accent-color:var(--green);min-height:24px}#practice-result{font-size:14px}#practice-note{margin:16px 0 0}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:26px}.article-card{text-decoration:none;border:1px solid var(--line);border-radius:11px;padding:15px 15px 22px;transition:transform .2s,box-shadow .2s}.article-card:hover{transform:translateY(-4px);box-shadow:0 8px 20px #20231e0a}.article-card .eyebrow{font-size:9px;margin:22px 0 13px}.article-card h3{font-size:21px}.card-art{height:164px;border-radius:6px;display:flex;align-items:center;justify-content:center;overflow:hidden}.art-one{background:#f0d867;gap:10px}.art-one span{background:#fffbdf;border:1px solid #20231e44;border-radius:50%;width:60px;height:60px;display:grid;place-content:center;font:25px Georgia,serif}.art-two{background:#e1e6f6}.art-two i{width:79px;height:79px;border-radius:50%;background:#4169e1;margin-left:-13px}.art-two i:nth-child(2){background:#879ce0}.art-two i:nth-child(3){background:#b3c0e9}.art-three{background:#e9d7e0;flex-direction:column;font:39px/1.1 Georgia,serif;letter-spacing:-2px}.art-three span:first-child{color:#ab718e}.art-three span:last-child{color:#6e344f}.faq-layout{display:grid;grid-template-columns:1fr 1.4fr;gap:80px}details{border-bottom:1px solid var(--line);padding:17px 0}summary{font-size:15px;font-weight:650;padding-right:14px}details p{font-size:14px;color:var(--muted);margin:16px 0 5px}.closing{text-align:center;padding:54px 24px 80px}.closing>span{font-size:65px;color:var(--green);display:block}.closing h2{font-size:38px}.footer{border-top:1px solid var(--line);padding-block:30px;display:flex;align-items:center;gap:20px;flex-wrap:wrap}.footer>p{font-size:12px;margin:0;color:var(--muted)}.footer nav{margin-left:auto;gap:20px}.footer .micro{flex-basis:100%;margin-top:6px}.article-body{width:min(740px,calc(100% - 48px));margin:64px auto 90px}.article-body h1{font-size:clamp(32px,4.2vw,52px);margin-top:22px}.article-body .lede{font-size:19px;color:var(--muted)}.article-body h2{font-size:27px;letter-spacing:-.8px;line-height:1.25;margin-top:42px}.article-body p,.article-body li{color:#4e554a}.article-body li{margin-bottom:12px}.callout{background:#e9eddf;border-radius:8px;padding:24px;margin:32px 0}.callout p:last-child{margin-bottom:0}.article-body table{width:100%;border-collapse:collapse;font-size:14px}.article-body td,.article-body th{padding:12px 8px;text-align:left;border-bottom:1px solid var(--line)}.related{margin-top:42px;padding-top:24px;border-top:1px solid var(--line)}@media(max-width:950px){.hero{gap:28px}.hero-art{height:370px}.swatch{width:150px;height:205px}.blue{left:115px}.pink{right:-42px}.practice-layout{gap:36px}.faq-layout{gap:40px}.cards{gap:14px}.card-art{height:140px}.art-one span{width:48px;height:48px;font-size:23px}}@media(max-width:680px){.wrap{width:calc(100% - 36px)}.header{padding-block:16px;align-items:flex-start;gap:12px}.brand{font-size:24px}.brand:before{font-size:20px}.header nav{justify-content:flex-end;gap:8px 16px;max-width:190px}.header nav a{font-size:12px;min-height:30px;display:inline-flex;align-items:center}.hero{grid-template-columns:1fr;gap:30px;padding-block:42px}.hero h1{font-size:44px;letter-spacing:-2px}.intro{font-size:16px}.hero-art{height:320px;max-width:430px;width:100%;margin:auto}.swatch{width:155px;height:190px}.yellow{top:52px;left:24px}.blue{top:62px;left:135px}.pink{top:90px;right:-15px}.yellow i{font-size:70px}.section{padding-block:42px}.section-top{align-items:flex-start;flex-direction:column;gap:0}.section-top>a{margin-bottom:20px}.game-toolbar{padding:12px;align-items:flex-start}.game-toolbar p{max-width:200px}.game-wrapper iframe{height:740px}.game-wrapper.expanded iframe{height:1100px}.steps,.cards,.practice-layout,.faq-layout{grid-template-columns:1fr;gap:24px}.steps{gap:18px}.step-number{font-size:27px;margin-bottom:8px}.practice-section{padding-block:42px}.practice-card{padding:23px}.color-box{height:125px}.card-art{height:175px}.faq-layout{gap:10px}.footer nav{width:100%;margin:0}.footer{gap:12px}.closing{padding-block:34px 54px}.closing h2{font-size:32px}.article-body{margin-top:36px}.article-body h1{letter-spacing:-1.4px}.eyebrow{font-size:10px;letter-spacing:1.3px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}

/* Visible article context matches the structured article and breadcrumb data. */
.breadcrumbs{font-size:12px;gap:10px;margin-bottom:24px;color:var(--muted)}.breadcrumbs a{font-size:12px;text-decoration:underline}.breadcrumbs [aria-current]{flex:1;min-width:150px}.article-byline{font-size:13px;color:var(--muted)}.article-figure{margin:28px 0 32px}.article-figure img{display:block;width:100%;height:auto;border-radius:10px}.article-figure figcaption{font-size:12px;line-height:1.6;color:var(--muted);margin-top:8px}

.language-control{display:flex;align-items:center;gap:8px;font-size:12px;white-space:nowrap}.language-control select{font:inherit;color:var(--ink);background:var(--paper);border:1px solid #a5ad9b;border-radius:5px;padding:8px;min-height:40px}.language-control select:focus-visible{outline:3px solid var(--blue);outline-offset:4px}.header{flex-wrap:wrap;padding-block:16px}.header nav{margin-left:auto}html[lang="ru"] .hero h1{font-size:clamp(32px,3.7vw,52px);letter-spacing:-1.4px}html[lang="ru"] .art-label{letter-spacing:1px}html[lang="ru"] .practice-top{flex-wrap:wrap;gap:8px}@media(max-width:680px){.header nav{max-width:220px}.language-control{margin-left:auto}html[lang="ru"] .hero h1{font-size:36px}}
