/* === Site Header === */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: var(--z-sticky);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.site-header--scrolled {
  background: rgba(10, 14, 23, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.site-header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  z-index: calc(var(--z-overlay) + 1);
}

.site-header__logo img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.site-header__logo-text {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-heading);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Nav */
.site-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.site-nav__link {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: var(--border-radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
}

.site-nav__link:hover {
  color: var(--color-text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.site-nav__link.is-active {
  color: var(--color-accent-primary);
}

/* Discord button in header */
.site-header__discord {
  font-size: var(--text-xs);
  padding: var(--space-2) var(--space-4);
}

/* Hamburger */
.site-header__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  z-index: calc(var(--z-overlay) + 1);
  cursor: pointer;
}

.site-header__hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-fast);
}

.site-header__hamburger.is-active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.site-header__hamburger.is-active span:nth-child(2) {
  opacity: 0;
}

.site-header__hamburger.is-active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Nav Overlay */
.mobile-nav {
  position: fixed;
  inset: 0;
  background: rgba(10, 14, 23, 0.98);
  backdrop-filter: blur(20px);
  z-index: var(--z-overlay);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.mobile-nav.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav__link {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-text-secondary);
  padding: var(--space-3) var(--space-6);
  transition: color var(--transition-fast);
}

.mobile-nav__link:hover,
.mobile-nav__link.is-active {
  color: var(--color-accent-primary);
}

.mobile-nav__discord {
  margin-top: var(--space-8);
}

.mobile-nav__social {
  display: flex;
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.mobile-nav__social a {
  color: var(--color-text-secondary);
  font-size: var(--text-xl);
  transition: color var(--transition-fast);
}

.mobile-nav__social a:hover {
  color: var(--color-accent-primary);
}

/* Responsive */
@media (max-width: 1024px) {
  .site-nav,
  .site-header__discord {
    display: none;
  }

  .site-header__hamburger {
    display: flex;
  }
}