/* site-chrome.css — the one header and footer every page shares.
   Self-contained: it carries its own tokens so it renders the same on Aurora
   pages and on the standalone leaderboard, benchmark and workbench pages. */
:root {
  --sc-ink: #efe6d4;
  --sc-muted: #c0c8ce;
  --sc-gold: #ffd089;
  --sc-glass: rgba(6, 14, 24, .86);
  --sc-border: rgba(184, 216, 227, .23);
  --sc-rule: rgba(184, 216, 227, .16);
  --sc-mono: "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  --sc-sans: system-ui, -apple-system, "Segoe UI", sans-serif;
  --sc-gutter: clamp(20px, 4.45vw, 64px);
}

.site-mast, .site-foot {
  box-sizing: border-box;
  position: relative;
  z-index: 3;
  width: auto;
  max-width: 1312px;
  margin-inline: max(var(--sc-gutter), calc((100% - 1312px) / 2));
  background: var(--sc-glass);
  border: 1px solid var(--sc-border);
  border-radius: 16px;
  box-shadow: inset 0 1px 0 rgba(234, 249, 255, .055), 0 16px 48px rgba(0, 0, 0, .13);
  font-family: var(--sc-sans);
  color: var(--sc-ink);
}
.site-mast *, .site-foot * { box-sizing: border-box; }

/* ── header ─────────────────────────────────────────────────────────── */
.site-mast {
  display: flex;
  align-items: center;
  gap: 26px;
  min-height: 86px;
  margin-top: 14px;
  margin-bottom: 0;
  padding: 0 62px 0 22px;
}
.site-brand {
  font: 13px/1 var(--sc-mono);
  letter-spacing: .16em;
  text-decoration: none;
  color: var(--sc-ink) !important;
  white-space: nowrap;
}
.site-brand span { color: var(--sc-gold); }
.site-mast-note {
  font: 10px/1.5 var(--sc-mono);
  color: var(--sc-muted);
  max-width: 140px;
  text-transform: uppercase;
  letter-spacing: .09em;
}
.site-mast nav { display: flex; flex-wrap: wrap; gap: 0 24px; margin-left: auto; }
.site-mast nav a {
  color: var(--sc-muted);
  font-size: 13px;
  line-height: 1.2;
  text-decoration: none;
  padding: 12px 0;
  border-bottom: 1px solid transparent;
}
.site-mast nav a:hover { color: var(--sc-gold); }
.site-mast nav a[aria-current="page"] { color: var(--sc-gold); border-bottom-color: currentColor; }
.site-mast a:focus-visible, .site-foot a:focus-visible {
  outline: 2px solid var(--sc-gold);
  outline-offset: 3px;
  border-radius: 2px;
}
.site-mast-extra { display: flex; align-items: center; gap: 14px; }

/* ── footer ─────────────────────────────────────────────────────────── */
.site-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px 28px;
  margin-top: 48px;
  margin-bottom: 24px;
  padding: 26px;
}
.site-foot-id p { margin: 8px 0 0; font-size: 13px; line-height: 1.55; color: var(--sc-muted); }
.site-foot nav { display: flex; flex-wrap: wrap; gap: 10px 20px; margin-left: auto; }
.site-foot nav a, .site-foot-meta a {
  font-size: 13px;
  color: var(--sc-muted);
  text-decoration: underline;
  text-decoration-color: rgba(192, 200, 206, .35);
  text-underline-offset: 3px;
}
.site-foot a:hover { color: var(--sc-gold); }
.site-foot-meta {
  flex: 0 0 100%;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 22px;
  padding-top: 18px;
  border-top: 1px solid var(--sc-rule);
  font-family: var(--sc-mono);
}
.site-foot-meta a { font-family: var(--sc-mono); font-size: 12px; }
.site-foot-meta .site-foot-mail { margin-left: auto; color: var(--sc-gold); }

/* The skip link for pages that do not carry their own. */
.site-skip {
  position: fixed; top: -100px; left: 18px; z-index: 100;
  padding: 12px 18px; background: var(--sc-ink); color: #071019 !important;
  font: 13px var(--sc-sans); text-decoration: none; border-radius: 6px;
}
.site-skip:focus { top: 12px; }

@media (max-width: 1050px) {
  .site-mast-note { display: none; }
  .site-mast nav { gap: 0 18px; }
}
@media (max-width: 760px) {
  .site-mast {
    flex-wrap: wrap;
    align-content: center;
    gap: 4px 0;
    min-height: 0;
    padding: 18px 58px 8px 18px;
  }
  .site-brand { flex: 0 0 100%; padding: 10px 0 6px; }
  .site-mast nav { width: 100%; margin: 0; gap: 0 18px; }
  .site-mast nav a { display: inline-flex; align-items: center; min-height: 44px; padding-block: 8px; }
  .site-mast-extra { flex: 0 0 100%; padding-bottom: 8px; }
  .site-foot { padding: 22px; margin-top: 36px; }
  .site-foot nav { margin: 0; width: 100%; }
  .site-foot nav a, .site-foot-meta a { display: inline-flex; align-items: center; min-height: 32px; }
  .site-foot-meta .site-foot-mail { flex-basis: 100%; margin-left: 0; }
}
@media (max-width: 380px) {
  .site-mast nav { gap: 0 14px; }
}
@media print {
  .site-mast nav, .site-foot nav, .site-foot-meta { display: none; }
  .site-mast, .site-foot { background: none; border: 0; box-shadow: none; color: #000; }
}
.site-mast nav a.is-section { color: var(--sc-ink); }
.site-foot-pre { max-width: 1312px; margin: 48px max(var(--sc-gutter), calc((100% - 1312px) / 2)) -28px; }
.site-foot-pre p { margin: 0; font: 13px/1.65 var(--sc-sans); color: var(--sc-muted); max-width: 62em; }
.site-foot-pre p span { color: var(--sc-gold); }

/* Page openings used to clear a floating wordmark. With the header in flow,
   every opening sits the same distance below it. */
.aurora-site :is(.at-hero, .pk-hero, .sh-hero, .bld-hero, .cal-hero, .gi-hero, .fr-hero, .vfy-hero) { padding-top: 28px; }
.aurora-site :is(main.nf-wrap, main.st-wrap, main.lgl, main.ct, main.rd, .dwrap, .mdl-hero) { margin-top: 28px; }
.site-mast ~ main > section.opening:first-child { padding-top: 44px; }
/* Keep page-level footer rules from reshaping the shared footer. */
.site-foot > .site-foot-id { display: block; margin: 0; width: auto; gap: 0; }
.site-foot p { font-size: 13px; }