/* Cross-page navigation, shared by the case study deck and the gallery pages. */
.site-nav {
  position: fixed;
  top: 18px;
  right: 18px;
  z-index: 9999;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  gap: 8px 14px;
  max-width: calc(100vw - 36px);
  padding: 9px 16px;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--rule, #e7e4dd);
  border-radius: 999px;
  font-family: var(--mono, ui-monospace, monospace);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.site-nav a {
  color: var(--mute, #8a857d);
  text-decoration: none;
  transition: color 0.2s ease;
}
.site-nav a:hover { color: var(--ink, #111); }
.site-nav a[aria-current="page"] { color: var(--ink, #111); font-weight: 500; }
.site-nav .sep {
  color: var(--mute, #8a857d);
  opacity: 0.55;
  letter-spacing: 0.12em;
}
.site-nav .lang-switch {
  margin-left: 4px;
  padding: 2px 9px;
  border: 1px solid var(--rule, #e7e4dd);
  border-radius: 999px;
  color: var(--ink, #111);
}
.site-nav .lang-switch:hover { background: var(--ink, #111); color: #fff; border-color: var(--ink, #111); }

@media (max-width: 640px) {
  .site-nav { font-size: 11px; gap: 9px; padding: 7px 12px; }
  .site-nav .sep { display: none; }
}