@font-face{font-family:Inter;src:url('/site/fonts/inter-latin-400-normal.woff2') format('woff2');font-style:normal;font-weight:400;font-display:swap}
@font-face{font-family:Inter;src:url('/site/fonts/inter-latin-500-normal.woff2') format('woff2');font-style:normal;font-weight:500;font-display:swap}
@font-face{font-family:Inter;src:url('/site/fonts/inter-latin-600-normal.woff2') format('woff2');font-style:normal;font-weight:600;font-display:swap}
@font-face{font-family:Inter;src:url('/site/fonts/inter-latin-700-normal.woff2') format('woff2');font-style:normal;font-weight:700;font-display:swap}
:root{font-family:Inter,system-ui,sans-serif;color:#193932;background:#f6f5ef;font-synthesis:none;--ink:#193932;--muted:#52675d;--green:#0c755b;--line:#19393226;--paper:#f6f5ef}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;min-width:280px}a{color:inherit}img{display:block;max-width:100%;height:auto}button,input{font:inherit}a,summary{touch-action:manipulation}h1,h2,h3,p,figure,ol,ul{margin-top:0}h1,h2,h3{overflow-wrap:break-word}p,li{overflow-wrap:anywhere}p{line-height:1.8}::selection{background:#b9dfc4;color:#14362c}a:focus-visible,summary:focus-visible,[tabindex="0"]:focus-visible{outline:3px solid #b76324;outline-offset:4px}.wrap{width:min(1160px,calc(100% - 80px));margin-inline:auto}.eyebrow{font-size:11px;line-height:1.6;font-weight:600;letter-spacing:.13em;text-transform:uppercase;color:var(--muted);margin-bottom:17px}.skip-link{position:fixed;left:16px;top:-100px;z-index:10;padding:14px 18px;border-radius:10px;background:#fff;color:var(--ink)}.skip-link:focus{top:16px}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}
@media(prefers-contrast:more){:root{--muted:#304b3a;--line:#647e69}.guide-card,.starter-card,.quick-answer,.key-points,.lesson-callout,.practice-band,.chess-diagram{border-color:#5d7b62}.diagram-square.highlighted::after{border-color:#683810}.article-toc a{color:var(--ink)}}
@media print{html{scroll-behavior:auto}body{background:#fff;color:#000}.learn-header,.learn-footer,.article-toc,.practice-band,.related-section,.skip-link{display:none}.wrap{width:100%;max-width:none}.article-layout{display:block;padding:20px 0}.article-body{max-width:none}.article-header{padding-top:0}.article-meta{color:#333}.article-section{break-inside:avoid}.chess-diagram{max-width:420px;break-inside:avoid;print-color-adjust:exact}.faq-section details>div{display:block}.faq-section summary>span{display:none}}
.starter-card li a::before{flex:none;white-space:nowrap}