/* Skip-to-content link */
.skip-link {
  position: fixed;
  top: -100%;
  left: var(--space-m, 1rem);
  z-index: 9999;
  padding: 0.5rem 1rem;
  background: var(--c-blue, #045cfa);
  color: #fff;
  font-family: var(--f-display, sans-serif);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 2px;
  text-decoration: none;
  transition: top 0.15s ease;
}
.skip-link:focus {
  top: var(--space-m, 1rem);
  outline: 2px solid #fff;
  outline-offset: 2px;
}

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  background: var(--c-canvas); color: var(--c-text);
  font-family: var(--f-body); font-size: var(--fs-step-0); line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1,h2,h3 { font-family: var(--f-display); line-height: 1.05; font-weight: 700; }
a { color: inherit; text-decoration: none; }
img, video { display: block; max-width: 100%; height: auto; }
.container { max-width: var(--content-max); margin-inline: auto; padding-inline: var(--space-m); }
/* Anchor targets (rail/nav #section jumps) clear the sticky header */
:is(section, main)[id] { scroll-margin-top: var(--anchor-offset); }
.mono-label { font-family: var(--f-mono); font-size: var(--fs-step--1); letter-spacing: .12em; text-transform: uppercase; color: var(--c-blue-text); }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}
[data-rv]{opacity:0;transform:translateY(24px)}
[data-rv].is-in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){ [data-rv]{opacity:1;transform:none} }
.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }
/* Programmatic focus targets (e.g. Blazor FocusOnNavigate's h1, tabindex=-1) aren't keyboard-tabbable, so they need no focus ring; keyboard :focus-visible elsewhere is unaffected. */
[tabindex="-1"]:focus { outline: none; }

/* View Transitions: snappy cross-fade; disabled under reduced-motion */
::view-transition-old(root), ::view-transition-new(root) { animation-duration: 0.28s; }
@media (prefers-reduced-motion: reduce) {
  ::view-transition-old(root), ::view-transition-new(root) { animation: none; }
}