.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
}
.header-container {
  max-width: var(--container-xl);
  margin-inline: auto;
  padding-inline: var(--spacing-md);
}
.header-inner {
  width: 100%;
}
.header-brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}
.header-subtitle {
  font-family: var(--font-accent);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.header-nav {
  flex: 1 1 auto;
  justify-content: flex-end;
}
.header-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.header-nav-item {
  margin: 0;
}
.header-cta .btn {
  white-space: nowrap;
}
.header-mobile-toggle {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 7px;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  margin-left: var(--spacing-sm);
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-subtle);
  background: rgba(5, 6, 8, 0.8);
  color: var(--color-text);
}
.header-mobile-toggle-bar {
  position: relative;
  width: 1.3rem;
  height: 2px;
  border-radius: 999px;
  background: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-base), background-color var(--transition-base);
}
.header-mobile-toggle-bar + .header-mobile-toggle-bar {
  margin-left: 0.25rem;
}
.header-mobile-toggle[aria-expanded="true"] .header-mobile-toggle-bar:first-child {
  transform: translateY(1px) rotate(42deg);
}
.header-mobile-toggle[aria-expanded="true"] .header-mobile-toggle-bar:last-child {
  transform: translateY(-1px) rotate(-42deg);
}
.header-mobile-nav {
  position: absolute;
  inset-inline: 0;
  top: var(--header-height-mobile);
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transform: translateY(-6px);
  background: linear-gradient(to bottom, rgba(5, 6, 8, 0.98), rgba(5, 6, 8, 0.96));
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: var(--shadow-soft);
  transition: max-height var(--transition-smoother), opacity var(--transition-base), transform var(--transition-base);
}
.header-mobile-nav-inner {
  padding-block: var(--spacing-sm) var(--spacing-md);
}
.header-mobile-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  max-height: calc(100vh - var(--header-height-mobile) - var(--spacing-lg));
  overflow-y: auto;
}
.header-mobile-nav-item {
  margin: 0;
}
.header-mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0.25rem;
  border-radius: var(--radius-md);
  font-family: var(--font-accent);
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-soft);
}
.header-mobile-nav-link::after {
  content: "›";
  font-size: 1rem;
  opacity: 0.6;
}
.header-mobile-nav-link:hover {
  background: rgba(245, 196, 81, 0.08);
  color: var(--color-primary-strong);
}
.header-mobile-nav-item-muted .header-mobile-nav-link {
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--color-text-muted);
}
.header-mobile-nav-open .header-mobile-nav {
  max-height: 420px;
  opacity: 1;
  transform: translateY(0);
}
@media (max-width: 1023.98px) {
  .header-inner {
    padding-block: 0;
  }
  .header-nav-list {
    display: none;
  }
  .header-cta {
    display: none;
  }
  .header-mobile-toggle {
    display: inline-flex;
  }
}
@media (min-width: 1024px) {
  .header-container {
    padding-inline: var(--spacing-lg);
  }
  .header-mobile-toggle {
    display: none;
  }
  .header-mobile-nav {
    display: none;
  }
  .header-nav-list {
    display: flex;
    align-items: center;
    gap: 0.25rem;
  }
  .header-nav-link {
    padding-inline: 0.35rem;
    font-size: 0.76rem;
  }
}