.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  backdrop-filter: blur(var(--blur-soft));
  -webkit-backdrop-filter: blur(var(--blur-soft));
  background: linear-gradient(180deg, rgba(5, 5, 9, 0.96), rgba(5, 5, 9, 0.9));
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding-block: 0.65rem;
}

.site-header-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  min-width: 0;
}

.site-header-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.2rem 0.4rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: radial-gradient(circle at 0 0, rgba(255, 46, 136, 0.35), transparent 55%), linear-gradient(135deg, rgba(10, 10, 18, 0.92), rgba(18, 18, 30, 0.96));
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.7);
}

.site-header-logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 30% 0, #ffffff, #ff2e88);
  color: #050509;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow: var(--shadow-glow-pink);
}

.site-header-logo-text {
  display: flex;
  flex-direction: column;
  gap: 0.05rem;
  min-width: 0;
}

.site-header-logo-title {
  font-size: 0.8rem;
  font-weight: 500;
  color: #ffffff;
  white-space: nowrap;
}

.site-header-logo-subtitle {
  font-size: 0.7rem;
  color: var(--color-muted-soft);
  white-space: nowrap;
}

.site-header-nav {
  flex: 1 1 auto;
  display: flex;
  justify-content: center;
}

.site-header-nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-header-nav-item {
  position: relative;
}

.site-header-nav-link {
  display: inline-flex;
  align-items: center;
  padding-inline: 0.4rem;
  padding-block: 0.2rem;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted-soft);
}

.site-header-nav-item.is-active .site-header-nav-link {
  color: #ffffff;
}

.site-header-nav-item.is-active .site-header-nav-link::after {
  content: "";
  position: absolute;
  left: 0.4rem;
  right: 0.4rem;
  bottom: -0.25rem;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.2), var(--color-primary));
  box-shadow: 0 0 12px rgba(255, 46, 136, 0.8);
}

.site-header-cta {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex: 0 0 auto;
}

.site-header-cta-link {
  white-space: nowrap;
}

.site-header-toggle {
  display: none;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: linear-gradient(135deg, rgba(10, 10, 18, 0.96), rgba(18, 18, 30, 0.98));
  color: var(--color-accent-soft);
  cursor: pointer;
}

.site-header-toggle-box {
  display: inline-flex;
  flex-direction: column;
  gap: 0.18rem;
}

.site-header-toggle-line {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: #ffffff;
  transition: transform var(--transition-normal), opacity var(--transition-normal), width var(--transition-normal);
}

.site-header-toggle-label {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.site-header-mobile-nav {
  position: fixed;
  inset-inline: 0;
  top: 0;
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  background: radial-gradient(circle at 0 0, rgba(255, 46, 136, 0.32), transparent 55%), linear-gradient(180deg, rgba(5, 5, 9, 0.98), rgba(5, 5, 9, 0.96));
  backdrop-filter: blur(var(--blur-strong));
  -webkit-backdrop-filter: blur(var(--blur-strong));
  transition: transform var(--transition-slow), opacity var(--transition-slow), visibility var(--transition-slow);
  z-index: calc(var(--z-header) - 1);
}

.site-header-mobile-inner {
  padding-top: 4.25rem;
  padding-bottom: 1.75rem;
}

.site-header-mobile-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: calc(100vh - 5.5rem);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.site-header-mobile-item {
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(135deg, rgba(10, 10, 18, 0.9), rgba(18, 18, 30, 0.96));
}

.site-header-mobile-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-soft);
}

.site-header-mobile-item.is-active .site-header-mobile-link {
  border-left: 3px solid var(--color-primary);
  padding-left: calc(1rem - 1px);
  box-shadow: var(--shadow-glow-subtle);
}

.site-header.is-mobile-open .site-header-mobile-nav {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.site-header.is-mobile-open .site-header-toggle-line:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}

.site-header.is-mobile-open .site-header-toggle-line:nth-child(2) {
  opacity: 0;
  width: 10px;
}

.site-header.is-mobile-open .site-header-toggle-line:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
}

@media (max-width: 1024px) {
  .site-header-inner {
    padding-block: 0.55rem;
    gap: var(--space-sm);
  }

  .site-header-logo-title,
  .site-header-logo-subtitle {
    white-space: normal;
  }

  .site-header-nav {
    display: none;
  }

  .site-header-cta {
    display: none;
  }

  .site-header-toggle {
    display: inline-flex;
  }
}

@media (max-width: 640px) {
  .site-header-inner {
    padding-block: 0.5rem;
  }

  .site-header-logo-text {
    display: none;
  }
}

@media (min-width: 1025px) {
  .site-header-mobile-nav {
    display: none;
  }
}