/* ==========================================
   DR. NORMAN P. JOHNSON — HEADER
   Adapted from the original Navbar.tsx
   ========================================== */

.dnj-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  box-sizing: border-box;
  width: 100%;
  margin: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(8, 13, 31, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.dnj-header .dnj-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: nowrap;
  width: 100%;
  max-width: 1280px;
  box-sizing: border-box;
  margin-inline: auto;
  padding: 20px 24px;
  gap: 24px;
}

/* Author branding */

.dnj-header .dnj-header-brand {
  margin: 0;
  flex-shrink: 0;
  font-size: 20px;
  line-height: 1.4;
  font-weight: 700;
  letter-spacing: 0.025em;
}

.dnj-header .dnj-header-brand a {
  color: #ffffff;
  text-decoration: none;
}

.dnj-header .dnj-header-brand a:hover {
  color: #ffffff;
}

/* Desktop navigation */

.dnj-header .dnj-header-navigation {
  margin: 0;
  color: #cbd5e1;
}

.dnj-header .dnj-header-navigation
.wp-block-navigation__container {
  display: flex;
  align-items: center;
  gap: 32px;
}

.dnj-header .dnj-header-navigation
.wp-block-navigation-item__content {
  color: #cbd5e1;
  font-size: 16px;
  text-decoration: none;
  transition: color 0.2s ease;
}

.dnj-header .dnj-header-navigation
.wp-block-navigation-item__content:hover,
.dnj-header .dnj-header-navigation
.wp-block-navigation-item__content:focus-visible {
  color: #22d3ee;
}

/* Mobile hamburger button */

.dnj-header .wp-block-navigation__responsive-container-open {
  color: #ffffff;
}

/* WordPress mobile navigation overlay */

.dnj-header
.wp-block-navigation__responsive-container.is-menu-open {
  background: #080d1f;
  color: #ffffff;
  padding: 32px 24px;
}

.dnj-header
.wp-block-navigation__responsive-container.is-menu-open
.wp-block-navigation-item__content {
  color: #e2e8f0;
  font-size: 18px;
}

.dnj-header
.wp-block-navigation__responsive-container.is-menu-open
.wp-block-navigation-item__content:hover {
  color: #67e8f9;
}

.dnj-header
.wp-block-navigation__responsive-container-close {
  color: #ffffff;
}

/* Small screens */

@media (max-width: 781px) {
  .dnj-header .dnj-header-inner {
    padding: 16px 20px;
  }

  .dnj-header .dnj-header-brand {
    font-size: 16px;
  }

  .dnj-header .dnj-header-navigation
  .wp-block-navigation__container {
    gap: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .dnj-header a {
    transition: none;
  }
}