/* Header */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 64px;
  display: flex;
  align-items: center;
  background: rgba(31, 32, 37, 0.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease-out);
}
.site-header.is-scrolled { border-bottom-color: var(--outline); }

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-5);
  width: 100%;
}

.site-header .logo { display: flex; align-items: center; }
.site-header .logo img { height: 22px; width: auto; }

.site-nav { display: none; gap: var(--s-6); }
.site-nav a {
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 500;
  transition: color var(--dur) var(--ease-out);
}
.site-nav a:hover { color: var(--text); }

.header-actions { display: flex; align-items: center; gap: var(--s-3); }

@media (min-width: 900px) {
  .site-nav { display: flex; }
}

@media (max-width: 899px) {
  .site-header .nav-toggle { display: inline-flex; }
}

main { padding-top: 64px; }