/* Header styles for PLStarcraft */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: linear-gradient(180deg, rgba(10,14,26,0.9) 0%, rgba(10,14,26,0.7) 70%, rgba(10,14,26,0) 100%);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.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);
}
.brand-logo {
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-glow-primary);
}
.brand-name {
  font-family: var(--font-display);
  font-weight: var(--font-weight-extrabold);
  letter-spacing: 0.04em;
  font-size: var(--font-size-xl);
  color: var(--color-neutral-100);
}

/* Nav */
.primary-nav {
  /* Progressive enhancement: visible by default for no-JS */
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav-link {
  display: inline-block;
  padding: var(--space-2) var(--space-2);
  color: var(--color-text);
}
.nav-link:hover {
  color: var(--color-primary);
  text-shadow: 0 0 10px var(--color-primary-glow);
}
.nav-link[aria-current="page"] {
  color: var(--color-primary);
  position: relative;
}
.nav-link[aria-current="page"]::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  box-shadow: var(--shadow-glow-primary);
}

.nav-cta .btn {
  padding-inline: var(--space-5);
}

.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  color: var(--color-text);
}
.menu-toggle:focus-visible {
  outline: 2px solid var(--color-border-focus);
  outline-offset: 3px;
}
.menu-toggle-box {
  display: inline-flex;
  flex-direction: column;
  gap: 5px;
}
.menu-bar {
  width: 22px;
  height: 2px;
  background: var(--color-metal-light);
  transition: var(--transition-all);
}

.menu-toggle[aria-expanded="true"] .menu-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.menu-toggle[aria-expanded="true"] .menu-bar:nth-child(2) {
  opacity: 0;
}
.menu-toggle[aria-expanded="true"] .menu-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 900px) {
  .menu-toggle { display: inline-flex; }
  .nav-list { flex-direction: column; align-items: flex-start; gap: var(--space-4); }
  .primary-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-background-elevated);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-4) var(--container-padding);
    box-shadow: var(--shadow-lg);
  }
  .has-js .primary-nav { display: none; }
  .has-js .primary-nav.is-open { display: block; }
}