/* ============ SITE NAV (shared across pages) ============ */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: stretch;
  background: var(--ink);
  color: var(--paper);
  border-bottom: 3px solid var(--ink);
  font-family: var(--display);
  font-weight: 800;
}
.site-nav-brand {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 14px 22px;
  text-decoration: none;
  color: var(--paper);
  font-size: 24px;
  letter-spacing: -0.04em;
  background: var(--acid);
  color: var(--ink);
  border-right: 3px solid var(--ink);
  transition: 200ms cubic-bezier(.34, 1.56, .64, 1);
}
.site-nav-brand:hover { background: var(--paper); color: var(--ink); }
.site-nav-brand-a { font-family: var(--display); font-weight: 800; }
.site-nav-brand-b { font-family: var(--display); font-weight: 800; padding: 0 2px; opacity: 0.8; }

.site-nav-links {
  display: flex;
  align-items: stretch;
  flex: 1;
  overflow-x: auto;
  scrollbar-width: none;
}
.site-nav-links::-webkit-scrollbar { display: none; }
.site-nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 22px;
  text-decoration: none;
  color: var(--paper);
  font-size: 14px;
  letter-spacing: 0.1em;
  border-right: 1px solid rgba(241,235,220,0.15);
  transition: 160ms;
  white-space: nowrap;
  position: relative;
}
.site-nav-link:hover {
  background: rgba(214,255,58,0.15);
  color: var(--acid);
}
.site-nav-link-on {
  background: var(--acid);
  color: var(--ink);
}
.site-nav-link-on::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 4px;
  background: var(--ink);
}
.site-nav-icon {
  font-family: var(--mono);
  font-weight: 800;
  font-size: 18px;
  display: inline-block;
}
.site-nav-meta {
  display: flex;
  align-items: center;
  padding: 0 22px;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--ink-4);
  border-left: 1px solid rgba(241,235,220,0.15);
}
.site-nav-links {
  position: relative;
}
.site-nav-links::after {
  content: "";
  position: sticky;
  right: 0;
  top: 0;
  width: 40px;
  height: 100%;
  background: linear-gradient(to right, transparent, var(--ink));
  pointer-events: none;
  margin-left: -40px;
  flex-shrink: 0;
}
.site-nav-lang {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 18px;
  background: transparent;
  border: none;
  border-left: 1px solid rgba(241,235,220,0.15);
  color: var(--paper);
  font-family: var(--mono);
  font-weight: 800;
  font-size: 11px;
  letter-spacing: 0.18em;
  cursor: pointer;
  transition: 160ms;
}
.site-nav-lang:hover {
  background: var(--hot);
  color: var(--paper);
}
.site-nav-lang-current {
  background: var(--acid);
  color: var(--ink);
  padding: 3px 7px;
  border: 1.5px solid var(--ink);
}
.site-nav-lang:hover .site-nav-lang-current {
  background: var(--paper);
}
.site-nav-lang-arrow { color: var(--ink-4); }
.site-nav-lang-other {
  border: 1.5px dashed rgba(241,235,220,0.4);
  padding: 3px 7px;
}
@media (max-width: 1200px) {
  .site-nav-meta { display: none; }
}
@media (max-width: 720px) {
  .site-nav { grid-template-columns: auto 1fr auto; }
  .site-nav-link { padding: 0 14px; font-size: 12px; }
  .site-nav-lang { padding: 0 12px; }
  .site-nav-lang-other { display: none; }
  .site-nav-lang-arrow { display: none; }
}

/* Hide the old running header that conflicts with sticky nav */
.app::before { display: none; }