/* Base: reset, page canvas, type scale, focus, motion preferences. */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100dvh;
  font: 400 var(--fs-m)/1.5 var(--font-ui);
  color: var(--ink);
  background: var(--aurora), var(--bg);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg, canvas { display: block; max-width: 100%; }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
h1, h2, h3, p { margin: 0; }

h1, .display {
  font: 400 var(--fs-h1)/0.98 var(--font-display);
  letter-spacing: -0.01em;
  text-wrap: balance;
}
h1 em, .display em {
  font-style: italic;
  background: var(--holo-text);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  padding-right: 0.06em; /* italic overhang */
}
h2 { font: 400 var(--fs-h2)/1.05 var(--font-display); text-wrap: balance; }
h3 { font: 600 var(--fs-l)/1.3 var(--font-ui); }
.lede { color: var(--ink-2); font-size: var(--fs-l); max-width: 36ch; }
.small { font-size: var(--fs-xs); color: var(--ink-2); }
.num { font-variant-numeric: tabular-nums; }

:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 6px; }

.shell {
  width: 100%;
  max-width: var(--content);
  margin-inline: auto;
  padding-inline: max(var(--gutter), env(safe-area-inset-left)) max(var(--gutter), env(safe-area-inset-right));
}
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 1ms !important; animation-iteration-count: 1 !important; transition-duration: 1ms !important; scroll-behavior: auto !important; }
}
/* weak devices: no backdrop blur, static aurora */
html.lowfx * { backdrop-filter: none !important; -webkit-backdrop-filter: none !important; }
html.lowfx body { background-attachment: scroll; }
[tabindex="-1"]:focus { outline: none; } /* programmatic focus target for screen headings */