/* Header styles scoped to .site-header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: linear-gradient(to bottom, rgba(5, 6, 10, 0.96), rgba(5, 6, 10, 0.9));
  border-bottom: 1px solid var(--color-border-subtle);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
  gap: var(--space-4);
}

.site-header__brand {
  display: flex;
  align-items: center;
  min-width: 0;
}

.site-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--gray-50);
}

.site-header__logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 0%, rgba(248, 250, 252, 0.22), transparent 55%),
              radial-gradient(circle at 80% 100%, rgba(208, 139, 47, 0.45), transparent 55%),
              linear-gradient(135deg, #020617, #111827);
  border: 1px solid rgba(148, 163, 184, 0.7);
  box-shadow: var(--shadow-sm);
}

.site-header__logo-icon {
  color: var(--color-primary-strong);
  font-size: 1rem;
}

.site-header__title-group {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.site-header__title {
  font-family: var(--font-heading);
  font-size: var(--font-size-lg);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-header__subtitle {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

/* Navigation */
.site-header__nav {
  display: flex;
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
}

.site-header__nav-link {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  border-bottom: 1px solid transparent;
}

.site-header__nav-link:hover,
.site-header__nav-link:focus-visible {
  color: var(--gray-50);
  border-bottom-color: var(--color-primary-strong);
}

.site-header__nav-item--cta .site-header__nav-link--cta {
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(208, 139, 47, 0.6);
  background: radial-gradient(circle at 0 0, rgba(208, 139, 47, 0.28), transparent 55%),
              linear-gradient(135deg, rgba(15, 23, 42, 0.96), rgba(15, 23, 42, 0.9));
}

.site-header__nav-item--cta .site-header__nav-link--cta:hover,
.site-header__nav-item--cta .site-header__nav-link--cta:focus-visible {
  background: linear-gradient(135deg, rgba(120, 53, 15, 0.9), rgba(180, 83, 9, 0.95));
  color: #fff;
}

/* Mobile toggle */
.site-header__toggle {
  display: none;
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(148, 163, 184, 0.7);
  background: rgba(15, 23, 42, 0.95);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.site-header__toggle-bar {
  position: relative;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--gray-100);
  transition: transform var(--transition-normal), opacity var(--transition-fast), top var(--transition-normal), bottom var(--transition-normal);
}

.site-header__toggle-bar:nth-child(1) {
  top: -4px;
}

.site-header__toggle-bar:nth-child(3) {
  bottom: -4px;
}

.site-header__toggle--open .site-header__toggle-bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.site-header__toggle--open .site-header__toggle-bar:nth-child(2) {
  opacity: 0;
}

.site-header__toggle--open .site-header__toggle-bar:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
}

/* Responsive behavior */
@media (max-width: 880px) {
  .site-header__title {
    font-size: var(--font-size-sm);
  }

  .site-header__subtitle {
    display: none;
  }
}

@media (max-width: 768px) {
  .site-header__inner {
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
  }

  .site-header__toggle {
    display: inline-flex;
    flex-direction: column;
  }

  .site-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background: radial-gradient(circle at 10% 0%, rgba(248, 250, 252, 0.08), transparent 55%),
                linear-gradient(to bottom, #020617, #020617 70%, #020617ee 100%);
    border-bottom: 1px solid var(--color-border-subtle);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-4px);
    transition: max-height var(--transition-slow), opacity var(--transition-normal), transform var(--transition-normal);
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4) var(--space-4) var(--space-6);
    gap: var(--space-3);
  }

  .site-header__nav-link {
    font-size: var(--font-size-base);
  }

  .site-header__nav--open {
    max-height: 320px;
    opacity: 1;
    transform: translateY(0);
  }
}