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@media(hover:hover){button:hover,.button:hover{filter:brightness(.97)}a:hover{text-decoration:underline}}
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@media(max-width:760px){.shell{padding-inline:24px}.masthead nav{min-height:76px}.intro{padding-block:38px 34px}.intro-row{display:block}.intro .lede{font-size:16px}.lesson{grid-template-columns:minmax(0,1fr);gap:28px;padding-block:42px}.lesson:nth-child(even) .explanation,.lesson:nth-child(even) .example{grid-column:auto;grid-row:auto}.stage{min-height:280px;padding:24px}.comparison{gap:16px}.footer{padding-block:32px 48px}.chapter-nav{gap:0 20px}}
@media(max-width:380px){.shell{padding-inline:18px}.stage{padding:18px}.sample-caption{font-size:11px}.comparison{gap:12px}.surface{padding:18px}}
@media(forced-colors:active){button,.button,.surface{border:1px solid ButtonText}.stage{border:1px solid CanvasText}}