*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:32px}body{margin:0;background:var(--color-bg);color:var(--color-text);font:16px/1.6 var(--font-body);-webkit-font-smoothing:antialiased}button,input{font:inherit}a{color:inherit;text-underline-offset:5px}button,a,input{touch-action:manipulation}button{cursor:pointer}a:hover{color:var(--color-accent-text)}:focus-visible{outline:2px solid var(--color-focus);outline-offset:5px}::selection{background:var(--color-accent);color:var(--color-on-accent)}.content{max-width:1536px;margin:auto;padding:0 4%}header{min-height:96px;display:flex;align-items:center;gap:40px;border-bottom:1px solid var(--color-border)}.brand{font:800 29px/1.2 var(--font-display);letter-spacing:-.04em;text-decoration:none;white-space:nowrap}.brand span{font:400 28px/1.2 var(--font-body);color:var(--color-accent-text);letter-spacing:-.03em}nav{margin-left:auto;display:flex;gap:32px}nav a{text-decoration:none;display:inline-flex;align-items:center;min-height:44px}.theme{display:flex;align-items:center;gap:8px;border-left:1px solid var(--color-border);padding-left:26px}.theme button{border:0;background:none;color:var(--color-muted);padding:10px 4px;min-height:44px}.theme button[aria-pressed=true]{color:var(--color-accent-text);font-weight:600}.hero{position:relative;isolation:isolate;padding:68px 0 48px;overflow:hidden}.pixel-field{position:absolute;inset:0;width:100%;height:100%;image-rendering:pixelated;pointer-events:none;z-index:-1}.hero h1{font:800 clamp(56px,7.6vw,116px)/.99 var(--font-display);letter-spacing:-.055em;margin:0 0 28px;max-width:1000px}.hero h1 span{color:var(--color-accent-text)}.hero-content>p{font-size:clamp(18px,2vw,27px);margin:0;max-width:950px}.foundations{display:grid;grid-template-columns:1fr 1.08fr 1fr;border-block:1px solid var(--color-border);padding:36px 0;gap:32px}.foundations>section+section{border-left:1px solid var(--color-border);padding-left:32px}h2{font:800 32px/1.1 var(--font-display);letter-spacing:-.035em;margin:0 0 14px}p{color:var(--color-muted);margin:0 0 20px}.swatches{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:28px 0 18px}.swatch{height:100px;border:1px solid var(--color-control);margin-bottom:8px}.butter{background:#f1d992}.night{background:#0b0e13}strong{font-weight:600}.swatches strong,.swatches code{display:block;font-size:14px}code{font:12px/1.6 var(--font-code);color:var(--color-muted)}.note{font-size:13px;line-height:1.6;margin:16px 0 0}.type-specimen{display:flex;align-items:center;gap:22px;min-height:174px;margin-top:20px}.display-sample{font:800 clamp(72px,9vw,132px)/1 var(--font-display);letter-spacing:-.08em}.type-specimen strong{font-size:14px}.type-specimen p{font-size:14px;margin:3px 0 16px}.example{position:relative;isolation:isolate;border:1px solid var(--color-control);border-radius:var(--radius-control);padding:22px;overflow:hidden;margin-top:26px;background:var(--color-surface)}.example-content{position:relative}.example h3{font:800 27px/1.15 var(--font-display);letter-spacing:-.03em;margin:0 0 12px}.example p{font-size:14px}.button{border:1px solid var(--color-control);min-height:44px;border-radius:var(--radius-control);padding:10px 16px;font-size:14px;font-weight:600;display:inline-flex;align-items:center;justify-content:center;gap:16px;text-decoration:none;transition:background var(--duration)}.primary{background:var(--color-accent);color:var(--color-on-accent);border-color:var(--color-accent-text)}.primary:hover{background:var(--color-accent-hover);color:var(--color-on-accent)}svg{width:20px;height:20px;stroke:currentColor;stroke-width:1.7;fill:none;stroke-linecap:round;stroke-linejoin:round}.range-label{display:flex;justify-content:space-between;font-size:12px;color:var(--color-muted);margin-top:16px}input[type=range]{width:100%;height:28px;accent-color:var(--color-accent-text);margin:0}.agent-band{display:grid;grid-template-columns:1fr 1fr;gap:64px;padding:46px 0 52px}.agent-band h2{font-size:clamp(32px,3.6vw,52px)}.agent-band>div{border-left:1px solid var(--color-border);padding-left:40px}.downloads{display:flex;flex-wrap:wrap;gap:28px}.downloads a{font-size:18px;font-weight:500;text-decoration:none;min-height:44px;display:flex;align-items:center;gap:18px}.downloads span{color:var(--color-accent-text)}.detail{padding:56px 0;border-top:1px solid var(--color-border);display:grid;grid-template-columns:1fr 2.08fr;gap:64px}.section-intro p{max-width:34ch}.ui-pair{display:grid;grid-template-columns:1fr 1fr;gap:20px}.ui-demo{padding:24px;border-radius:var(--radius-panel);background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border)}.demo-heading{display:flex;justify-content:space-between;gap:12px;font-size:13px;padding-bottom:28px}.demo-heading span{color:var(--color-muted)}.ui-demo h3{font:600 22px/1.2 var(--font-body);letter-spacing:-.035em;margin:0 0 8px}.ui-demo p{font-size:14px}.ui-demo label{font-size:13px;display:block;margin:24px 0 6px}.ui-demo input{width:100%;min-width:0;min-height:44px;padding:10px 12px;color:var(--color-text);background:var(--color-bg);border:1px solid var(--color-control);border-radius:var(--radius-control);font-size:14px}.demo-actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center;margin-top:20px}.demo-actions a{color:var(--color-accent-text);font-size:13px}.ui-demo .status{font-size:12px;margin:18px 0 0;min-height:20px;color:var(--color-success)}.semantic-colors{display:flex;flex-wrap:wrap;gap:28px;margin-bottom:24px}.success{color:var(--color-success)}.danger{color:var(--color-danger)}.info{color:var(--color-info)}.rule-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 20px;padding:16px 0;border-bottom:1px solid var(--color-border);font-size:14px}.rule-row>span{color:var(--color-muted)}.reference-list a{display:flex;flex-direction:column;text-decoration:none;border-bottom:1px solid var(--color-border);padding:14px 0}.reference-list a:first-child{padding-top:0}.reference-list a span{font-size:14px;color:var(--color-muted)}.reference-list strong span{color:var(--color-accent-text)}footer{padding:28px 0;display:flex;align-items:center;justify-content:space-between;gap:24px;border-top:1px solid var(--color-border)}footer span,footer>a:last-child{font-size:12px;color:var(--color-muted)}footer .brand{font-size:22px}.skip{position:absolute;left:16px;top:-100px;background:var(--color-surface);padding:12px;z-index:5}.skip:focus{top:16px}
@media(min-width:1500px){.hero{padding-top:76px;padding-bottom:58px}.hero h1{font-size:120px}}
@media(max-width:1100px){header{gap:24px}.foundations{gap:24px}.foundations>section+section{padding-left:24px}.type-specimen{display:block}.display-sample{display:block;font-size:90px;margin-bottom:12px}.detail{gap:32px;grid-template-columns:1fr 2fr}.ui-demo{padding:18px}}
@media(max-width:760px){.content{padding:0 24px}header{min-height:112px;flex-wrap:wrap;gap:0 20px;padding:20px 0 10px;justify-content:space-between}.brand{font-size:24px}.brand span{font-size:23px}nav{order:3;width:100%;margin:8px 0 0;gap:24px;font-size:14px}.theme{border:0;padding:0;font-size:13px;gap:4px}.hero{padding:48px 0 36px}.hero h1{font-size:clamp(44px,10vw,72px)}.hero-content>p{max-width:30ch;font-size:18px}.foundations{grid-template-columns:1fr;padding:0;gap:0}.foundations>section{padding:28px 0}.foundations>section+section{padding:28px 0;border-left:0;border-top:1px solid var(--color-border)}.swatch{height:100px}.type-specimen{display:flex}.display-sample{font-size:112px}.agent-band,.detail{grid-template-columns:1fr;gap:24px;padding:36px 0}.agent-band>div{border:0;padding:0}.agent-band h2 br{display:none}.ui-pair{gap:16px}.section-intro p{max-width:60ch}.rule-row{align-items:flex-start}.rule-row code{overflow-wrap:anywhere}.semantic-colors{gap:18px;font-size:14px}footer{flex-wrap:wrap;gap:16px}footer span{width:100%;order:3}}
@media(max-width:540px){.ui-pair{grid-template-columns:1fr}.hero h1{font-size:clamp(40px,10vw,54px)}.downloads{gap:16px 24px}.downloads a{font-size:16px}.rule-row{display:grid;grid-template-columns:1fr}.theme{margin-left:auto}.brand span{font-size:20px}.brand{font-size:22px}.type-specimen{gap:28px}.hero .pixel-field{opacity:.5}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
/* Explicit stacking keeps transparent canvases below content in every theme. */
.pixel-field{z-index:0}.hero h1,.hero-content>p,.example-content{position:relative;z-index:1}