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var(--ease-in-out) .3s both}@keyframes mk-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}@keyframes mk-pan{to{transform:translateY(-8%)scale(1.06)}}.mk-sheet{animation:mk-sheet-in var(--dur-3) var(--ease-out) both}.mk-sheet__row{animation:mk-row-in var(--dur-5) var(--ease-out) calc(80ms + var(--i,0) * 40ms) both}@keyframes mk-sheet-in{0%{opacity:0}}@keyframes mk-row-in{0%{opacity:0;transform:translateY(14px)}}.mk-wordmark{font-family:var(--font-display);letter-spacing:-.03em;-webkit-user-select:none;user-select:none;justify-content:center;margin-top:1.5rem;padding-bottom:.04em;font-size:min(18.5vw,19rem);font-weight:800;line-height:.86;display:flex;overflow:hidden;-webkit-mask-image:linear-gradient(#000 35%,#0000 100%);mask-image:linear-gradient(#000 35%,#0000 100%)}.mk-wordmark__l{color:#0000;background-image:linear-gradient(180deg, color-mix(in oklab, var(--foreground) 30%, transparent), color-mix(in oklab, var(--signal) 22%, transparent) 70%, transparent);opacity:1;transition:transform 1.1s var(--ease-out) calc(var(--i,0) * 40ms), opacity .9s var(--ease-out) calc(var(--i,0) * 40ms);-webkit-background-clip:text;background-clip:text;display:inline-block}.js .mk-foot-end:not(.is-visible) .mk-wordmark__l{opacity:0;transform:translateY(62%)}@media (prefers-reduced-motion:reduce){.mk-well .mk-in,.mk-sheet,.mk-sheet__row{opacity:1;animation:none!important}.mk-well[data-on] .mk-pan{animation:none!important}.js .mk-foot-end:not(.is-visible) .mk-wordmark__l{opacity:1;transform:none}}[data-motion=reduced] :is(.mk-well .mk-in,.mk-sheet,.mk-sheet__row){opacity:1;animation:none!important}[data-motion=reduced] .mk-well[data-on] .mk-pan{animation:none!important}[data-motion=reduced].js .mk-foot-end:not(.is-visible) .mk-wordmark__l{opacity:1;transform:none}.mk-strip{isolation:isolate}.mk-frame{transition:border-color var(--dur-3), box-shadow var(--dur-3)}.js .mk-strip:not(.is-visible) 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var(--border);border-radius:999px}.mk-range::-moz-range-progress{background:linear-gradient(90deg, var(--signal), var(--signal-2));border-radius:999px;height:6px}.mk-range::-webkit-slider-thumb{appearance:none;border:1px solid var(--border-strong);background:radial-gradient(circle, var(--signal) 0 3.5px, var(--background) 4.5px);width:20px;height:20px;box-shadow:0 0 0 0 color-mix(in oklab, var(--signal) 16%, transparent), var(--shadow-md);transition:box-shadow var(--dur-2) var(--ease-out), scale var(--dur-2) var(--ease-snap);border-radius:999px;margin-top:-7px}.mk-range::-moz-range-thumb{border:1px solid var(--border-strong);background:radial-gradient(circle, var(--signal) 0 3.5px, var(--background) 4.5px);width:18px;height:18px;box-shadow:0 0 0 0 color-mix(in oklab, var(--signal) 16%, transparent), var(--shadow-md);transition:box-shadow var(--dur-2) var(--ease-out), scale var(--dur-2) var(--ease-snap);border-radius:999px}.mk-range:hover::-webkit-slider-thumb{box-shadow:0 0 0 6px 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(min-width:48rem){.mk-chapter-num{font-size:112px}}.mk-progress{z-index:60;transform-origin:0;height:2px;transform:scaleX(var(--p,0));background:var(--ember);pointer-events:none;position:fixed;inset:0 0 auto}@supports (animation-timeline:scroll()){.mk-progress{animation:linear both mk-progress;animation-timeline:scroll(root);animation-duration:auto;transform:none}}@keyframes mk-progress{0%{transform:scaleX(0)}to{transform:scaleX(1)}}@media (prefers-reduced-motion:reduce){.mk-progress{transform:scaleX(var(--p,0));animation:none!important}}[data-motion=reduced] .mk-progress{transform:scaleX(var(--p,0));animation:none!important}@media print{.mk-header,.mk-progress,.mk-sheet,footer,.site-backdrop,[data-print-hide],nav[aria-label="On this page"],nav[aria-label=Breadcrumb] script{display:none!important}html,body{color:#000!important;background:#fff!important}main{padding:0!important}[data-print-article]{font-size:11pt;line-height:1.5;max-width:none!important}[data-print-article] a[href^=\/]:after{content:" (" attr(href) ")";color:#696969;font-size:9pt}[data-print-article] section{break-inside:avoid-page}.horizon-line,.bg-noise,.backdrop{display:none!important}}.mk-rail{z-index:2;pointer-events:none;opacity:0;width:9px;transition:opacity var(--dur-3) var(--ease-out);position:absolute;top:2rem;bottom:2rem;left:17px;container-type:size}.mk-rail[data-started]{opacity:1}.mk-rail__packet{background:var(--signal);width:9px;height:9px;box-shadow:0 0 0 4px color-mix(in oklab, var(--signal) 20%, transparent), 0 0 18px color-mix(in oklab, var(--signal) 70%, transparent);animation:mk-rail 4.2s var(--ease-in-out) infinite;border-radius:999px;animation-play-state:paused;position:absolute;top:0;left:0}.mk-rail[data-running] .mk-rail__packet{animation-play-state:running}@keyframes mk-rail{0%{opacity:0;transform:translateY(0)}8%{opacity:1}92%{opacity:1}to{opacity:0;transform:translateY(calc(100cqh - 9px))}}