/* Header styles scoped to the site header */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: linear-gradient(180deg, var(--color-bg-secondary) 0%, rgba(20, 32, 56, 0.98) 100%);
  border-bottom: var(--border-width) solid var(--border-color-light);
  box-shadow: var(--shadow-base);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: var(--space-4);
}

/* Brand */
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-primary);
}

.brand-logo {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-base);
  border: var(--border-width) solid var(--border-color);
  box-shadow: var(--shadow-inner);
}

.brand-name {
  font-family: 'Cinzel', var(--font-primary);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-wide);
  color: var(--color-accent-gold-light);
  text-shadow: 1px 1px 0 rgba(0,0,0,0.4);
}

/* Navigation */
.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-list a {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  transition: all var(--transition-base) var(--transition-timing);
}

.nav-list a:hover,
.nav-list a:focus-visible {
  color: var(--color-text-primary);
  background-color: rgba(27, 125, 125, 0.1);
  box-shadow: var(--shadow-glow);
}

.nav-cta {
  margin-left: var(--space-2);
}

/* Mobile toggle */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  border: var(--border-width) solid var(--border-color-light);
  background-color: var(--color-bg-elevated);
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
  box-shadow: var(--shadow-glow);
  color: var(--color-accent-gold-light);
}

.nav-toggle .fa-bars { font-size: 1.125rem; }

/* Desktop adjustments */
@media (min-width: 768px) {
  .nav-toggle { display: none; }
}

/* Mobile menu: progressive enhancement. Visible by default when JS is disabled. */
@media (max-width: 767px) {
  /* When JS is available, we convert nav into an overlay panel and hide it until opened */
  html.js .site-header .site-nav {
    position: fixed;
    left: 0; right: 0; bottom: 0;
    top: 64px; /* matches header min-height */
    background: linear-gradient(180deg, var(--color-bg-elevated) 0%, var(--color-bg-secondary) 100%);
    border-top: var(--border-width) solid var(--border-color-light);
    padding: var(--space-6) var(--space-4);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-6);
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
  }

  html.js .site-header .site-nav.is-open { display: flex; }

  .nav-list { flex-direction: column; align-items: stretch; gap: var(--space-2); }
  .nav-list a { width: 100%; background-color: var(--color-bg-secondary); border: var(--border-width) solid var(--border-color); }
  .nav-cta { margin-left: 0; }
  body.no-scroll { overflow: hidden; }
}