.ia-skip-link { position: fixed; z-index: 1000; inset-block-start: .5rem; inset-inline-start: .5rem; translate: 0 -200%; padding: .7rem 1rem; border-radius: .4rem; background: #fff; color: var(--ia-ink); font-weight: 800; }
.ia-skip-link:focus { translate: 0; }
.site-header { position: sticky; z-index: 100; top: 0; border-bottom: 1px solid var(--ia-border); background: rgb(255 255 255 / 96%); backdrop-filter: blur(.7rem); }
.site-header__inner, .site-footer__inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; width: min(100% - 2rem, 78rem); margin-inline: auto; }
.site-header__inner { min-height: 4.5rem; }
.site-brand { display: inline-flex; align-items: center; gap: .65rem; color: var(--ia-ink); text-decoration: none; }
.site-brand__mark { display: grid; place-items: center; inline-size: 2.5rem; block-size: 2.5rem; border-radius: .7rem; background: var(--ia-brand); color: #fff; font-weight: 900; }
.site-brand span:last-child { display: grid; line-height: 1.15; }
.site-brand small { color: var(--ia-muted); font-size: .72rem; }
.site-nav { display: flex; align-items: center; gap: .25rem; }
.site-nav a { padding: .55rem .7rem; border-radius: .4rem; color: var(--ia-ink); font-weight: 700; text-decoration: none; }
.site-nav a:hover { background: #edf1fb; }
.site-nav-toggle { display: none; min-height: 2.75rem; padding: .5rem .75rem; border: 1px solid var(--ia-border); border-radius: .45rem; background: #fff; color: var(--ia-ink); font: inherit; font-weight: 750; }
.site-main { min-height: 65vh; background: var(--ia-surface); }
.site-highlighted, .site-breadcrumb, .site-help { width: min(100% - 2rem, 76rem); margin-inline: auto; }
.site-footer { padding-block: 2.5rem; border-top: 1px solid var(--ia-border); background: var(--ia-bg); color: var(--ia-muted); }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 1rem; }
@media (max-width: 52rem) {
  .site-nav-toggle { display: inline-flex; align-items: center; gap: .45rem; }
  .site-nav { position: absolute; inset: calc(100% + 1px) 0 auto; display: none; padding: .75rem 1rem 1rem; border-bottom: 1px solid var(--ia-border); background: #fff; box-shadow: 0 .8rem 1.4rem rgb(23 32 51 / 12%); }
  .site-nav.is-open { display: grid; }
  .site-nav a { min-height: 2.75rem; }
  .site-footer__inner { align-items: flex-start; flex-direction: column; }
}