/* Header - PlayZonePolska (builds on base.css) */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-gray-200);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: var(--space-4);
}
/* Brand */
.brand-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-stone-dark);
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}
.brand-text {
  display: grid;
  line-height: var(--line-height-tight);
}
.brand-title {
  font-family: var(--font-heading);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  letter-spacing: -0.01em;
}
.brand-subtitle {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}
/* Navigation */
.primary-nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.nav-list a {
  color: var(--color-text);
  font-weight: var(--font-weight-medium);
}
.nav-list a:hover {
  color: var(--color-accent);
  text-decoration: none;
}
.nav-cta {
  white-space: nowrap;
}
/* Mobile toggle */
.menu-toggle {
  display: none;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-300);
  background: var(--color-surface);
}
.menu-toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}
.menu-icon { position: relative; display: inline-flex; }
.icon-close { display: none; }

/* Responsive behavior */
@media (max-width: 768px) {
  .menu-toggle { display: inline-flex; }
  .primary-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-md);
    padding: var(--space-4);
    display: block; /* Progressive enhancement: visible by default if JS disabled */
  }
  .primary-nav .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
  }
  .nav-cta { width: 100%; }
  /* Hide menu only when JS is enabled and state is collapsed */
  html.js-enabled #primary-menu[hidden] { display: none !important; }
}

/* When menu is open, swap icons */
html.js-enabled .menu-toggle[aria-expanded="true"] .icon-hamburger { display: none; }
html.js-enabled .menu-toggle[aria-expanded="true"] .icon-close { display: inline; }

/* Skip link visual when focused (base provides sr-only-focusable) */
.skip-link:focus {
  position: fixed;
  left: var(--space-4);
  top: var(--space-4);
  z-index: var(--z-tooltip);
  background: var(--color-surface);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  color: var(--color-text);
}