/* Shared contact navigation for the main portfolio. */
header.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 38px;
  background: rgba(0, 0, 0, .78);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  mix-blend-mode: normal;
}
.site-header .nav-center {
  color: #fff;
  font: 700 14px 'Helvetica Neue', Helvetica, Arial, sans-serif;
  text-decoration: none;
  white-space: nowrap;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.header-actions { display: flex; align-items: center; gap: 24px; }
.header-actions .nav-right { display: inline-flex; align-items: center; min-height: 44px; white-space: nowrap; }
.site-contact {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid rgba(255, 255, 255, .65);
  background: rgba(0, 0, 0, .22);
  color: #fff;
  font: 600 13px 'Helvetica Neue', Helvetica, Arial, sans-serif;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 160ms ease, color 160ms ease, transform 160ms cubic-bezier(0.23, 1, 0.32, 1);
}
@media (hover: hover) and (pointer: fine) {
  .site-contact:hover { background: #fff; color: #000; }
}
.site-contact:active { transform: scale(0.97); }
@media (prefers-reduced-motion: reduce) {
  .site-contact:active { transform: none; }
}
.site-contact:focus-visible, .site-header a:focus-visible { outline: 2px solid #fff; outline-offset: 4px; }
.pd-header .site-contact { margin-top: 18px; }
@media (max-width: 600px) {
  header.site-header { padding: 10px 16px; gap: 10px; }
  .site-header .nav-center { font-size: 12px; letter-spacing: 0; }
  .header-actions { gap: 12px; }
  .header-actions .nav-right { font-size: 12px; }
  .header-actions .act { display: none; }
  .site-contact { font-size: 12px; padding: 0 12px; }
}