/* ═══════════════════════════════════════════════════
   PAMGIA — Shared Navigation Styles
   Header, nav links, hamburger menu for all pages.
   ═══════════════════════════════════════════════════ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 3vw;
}

/* Subpages: no mix-blend-mode (no video behind) */
.site-header--subpage {
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(245, 240, 235, 0.04);
}

.header-logo img {
  width: 28px;
  height: 28px;
  opacity: 0.9;
  transition: opacity 0.3s var(--ease-out);
}
.header-logo:hover img,
.header-logo:focus-visible img {
  opacity: 1;
}

.header-nav {
  display: flex;
  gap: 2.5rem;
}

.nav-link {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-primary);
  opacity: 0.65;
  transition: opacity 0.3s var(--ease-out);
}
.nav-link:hover,
.nav-link:focus-visible {
  opacity: 1;
}
.nav-link:active {
  opacity: 0.8;
}
.nav-link:focus-visible {
  outline: 1px solid var(--brand-red);
  outline-offset: 4px;
}

/* Active page indicator */
.nav-link--active {
  opacity: 1;
  color: var(--brand-red);
}

/* ── Hamburger Toggle (hidden on desktop) ── */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  z-index: 110;
  flex-direction: column;
  gap: 6px;
  align-items: center;
  justify-content: center;
}
.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: transform 0.3s var(--ease-out), opacity 0.3s var(--ease-out);
}
.nav-toggle.active .nav-toggle-bar:first-child {
  transform: translateY(3.75px) rotate(45deg);
}
.nav-toggle.active .nav-toggle-bar:last-child {
  transform: translateY(-3.75px) rotate(-45deg);
}

/* ── Mobile Nav ── */
@media (max-width: 768px) {
  .site-header {
    padding: 1rem 4vw;
  }
  .nav-toggle { display: flex; }
  .header-nav {
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 10, 0.96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s var(--ease-out);
    z-index: 105;
  }
  .header-nav.open {
    opacity: 1;
    pointer-events: auto;
  }
  .header-nav .nav-link {
    font-size: 1rem;
    letter-spacing: 0.18em;
    opacity: 0.85;
  }
}