.header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  backdrop-filter: blur(20px);
  background: linear-gradient(to bottom, rgba(5, 5, 9, 0.96), rgba(5, 5, 9, 0.9), transparent);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-md);
}
.logo-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.logo-title {
  font-size: 0.95rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.logo-subtitle {
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}
.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}
.nav-item {
  position: relative;
}
.link-nav {
  position: relative;
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-soft);
  padding-block: 0.25rem;
}
.link-nav::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 1px;
  transform-origin: left;
  transform: scaleX(0);
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transition: transform var(--transition-base);
}
.link-nav:hover::after,
.link-nav-active::after {
  transform: scaleX(1);
}
.link-nav-active {
  color: var(--color-primary);
}
.nav-cta {
  margin-left: var(--space-xl);
}
.nav-toggle {
  display: none;
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(5, 5, 12, 0.9);
  color: var(--color-text);
  transition: background-color var(--transition-base), border-color var(--transition-base), transform var(--transition-fast), box-shadow var(--transition-base);
}
.nav-toggle:hover {
  background: rgba(12, 12, 20, 0.96);
  border-color: rgba(245, 193, 92, 0.6);
  box-shadow: var(--shadow-soft);
}
.nav-toggle-bar {
  position: relative;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-base), background-color var(--transition-base);
}
.nav-toggle-bar + .nav-toggle-bar {
  margin-top: 5px;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}
.nav-menu.is-open {
  display: flex;
}
.nav-menu-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-overlay);
  backdrop-filter: blur(var(--blur-strong));
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
  z-index: calc(var(--z-header) - 1);
}
.nav-menu-overlay.is-visible {
  opacity: 1;
  pointer-events: auto;
}
.nav-cta-wrapper {
  margin-top: var(--space-lg);
}
@media (max-width: 1023px) {
  .nav-list {
    display: none;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .nav-menu {
    position: fixed;
    inset-inline: 0;
    top: 64px;
    max-height: 0;
    overflow: hidden;
    display: block;
    background: radial-gradient(circle at top, rgba(245, 193, 92, 0.12), transparent 60%), rgba(5, 5, 12, 0.98);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: var(--shadow-soft);
    transition: max-height var(--transition-slow);
  }
  .nav-menu-inner {
    padding: var(--space-lg) var(--space-lg) var(--space-2xl);
  }
  .nav-menu.is-open {
    max-height: 420px;
  }
  .nav-list {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }
  .nav-item {
    width: 100%;
  }
  .link-nav {
    display: inline-flex;
    padding-block: 0.4rem;
    font-size: var(--text-sm);
  }
  .nav-cta {
    display: none;
  }
  .nav-cta-wrapper {
    display: block;
  }
}
@media (min-width: 1024px) {
  .nav-menu-inner {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
  }
}
@media (max-width: 767px) {
  .header-inner {
    padding-block: var(--space-sm);
  }
}
.header[data-menu-open="true"] .nav-toggle-bar:first-child {
  transform: translateY(3.5px) rotate(45deg);
}
.header[data-menu-open="true"] .nav-toggle-bar:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}
.header[data-menu-open="true"] .nav-toggle-bar {
  background-color: var(--color-primary);
}