/* Shared header and footer for every snaxe.io page.
   Generated markup: docs/site/build_chrome.py. Rules: docs/design-system.md.
   Self-contained: it defines its own tokens on the header and footer, so it also works on
   pages that do not load /styles.css (the quiz). Values match /styles.css. */
.site-header, .site-footer, .skip-link {
  --c-ink: #080b08;
  --c-green: #5acd05;
  --c-white: #ffffff;
  --c-muted: #aeb7ae;
  --c-line: rgba(255, 255, 255, 0.14);
  --c-shell: 1180px;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
.site-header .shell, .site-footer .shell { width: min(calc(100% - 40px), var(--c-shell)); margin-inline: auto; }
.site-header .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; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 1100; padding: 10px 16px; color: var(--c-ink); background: var(--c-green); font-weight: 800; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: fixed; top: 0; right: 0; left: 0; z-index: 100; border-bottom: 1px solid transparent; transition: background 180ms ease, border-color 180ms ease, backdrop-filter 180ms ease; }
.site-header.is-scrolled, .site-header.is-solid { background: rgba(8, 11, 8, 0.92); border-color: var(--c-line); backdrop-filter: blur(18px); }
.site-header .header-inner { display: flex; min-height: 82px; align-items: center; justify-content: space-between; gap: 32px; }
.site-header .brand { position: relative; z-index: 2; display: inline-flex; align-items: center; text-decoration: none; }
.site-header .brand img { width: 148px; height: auto; }
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a { color: rgba(255, 255, 255, 0.78); font-size: 0.86rem; font-weight: 700; text-decoration: none; transition: color 150ms ease; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--c-white); }
.site-nav .nav-cta { display: inline-flex; min-height: 44px; padding: 0 18px; align-items: center; gap: 12px; border: 1px solid var(--c-green); border-radius: 999px; color: var(--c-green); }
.site-nav .nav-cta:hover { color: var(--c-ink); background: var(--c-green); }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 0; border: 1px solid var(--c-line); border-radius: 50%; background: transparent; }
.menu-toggle span:not(.sr-only) { display: block; width: 17px; height: 2px; margin: 5px auto; background: var(--c-white); transition: transform 180ms ease; }

.site-footer { padding: 58px 0 42px; border-top: 1px solid var(--c-line); background: #070907; color: var(--c-white); }
.site-footer .footer-grid { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 34px; }
.site-footer .footer-brand img { width: 122px; }
.site-footer .footer-grid > p:not(.footer-note) { margin: 0; color: var(--c-muted); font-size: 0.86rem; }
.site-footer .footer-links { display: flex; flex-wrap: wrap; gap: 20px; }
.site-footer .footer-links a { color: var(--c-muted); font-size: 0.78rem; font-weight: 700; text-decoration: none; }
.site-footer .footer-links a:hover { color: var(--c-white); }
.site-footer .footer-note { grid-column: 1 / -1; margin: 14px 0 0; padding-top: 22px; border-top: 1px solid var(--c-line); color: #6f786f; font-size: 0.7rem; }

/* Four menu items fit down to 760px; below that, the menu folds into the toggle. */
@media (max-width: 900px) {
  .site-nav { gap: 18px; }
  .site-nav a:not(.nav-cta) { display: inline; }
}
@media (max-width: 760px) {
  .site-header .header-inner { min-height: 72px; }
  .site-header .brand img { width: 124px; }
  .menu-toggle { position: relative; z-index: 3; display: block; }
  .menu-toggle[aria-expanded="true"] span:nth-of-type(2) { transform: translateY(3.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-of-type(3) { transform: translateY(-3.5px) rotate(-45deg); }
  .site-nav { position: fixed; top: 0; right: 0; left: 0; display: grid; padding: 98px 20px 28px; gap: 0; border-bottom: 1px solid var(--c-line); background: rgba(8, 11, 8, 0.98); transform: translateY(-120%); visibility: hidden; pointer-events: none; transition: transform 220ms ease, visibility 0s linear 220ms; }
  .site-nav.is-open { transform: translateY(0); visibility: visible; pointer-events: auto; transition-delay: 0s; }
  body.menu-open { overflow: hidden; }
  .site-nav a:not(.nav-cta) { display: block; }
  .site-nav a { padding: 14px 4px; border-bottom: 1px solid var(--c-line); font-size: 0.95rem; }
  .site-nav .nav-cta { margin-top: 18px; justify-content: center; border-bottom: 1px solid var(--c-green); }
}
@media (max-width: 680px) {
  .site-footer .footer-grid { grid-template-columns: 1fr; gap: 20px; }
  .site-footer .footer-note { grid-column: auto; }
}
@media print { .site-header, .menu-toggle { display: none; } }