.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(248, 250, 252, 0.96), rgba(248, 250, 252, 0.9), transparent);
  border-bottom: 1px solid rgba(148, 163, 184, 0.3);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  height: var(--header-height-mobile);
}
.site-header__brand {
  display: flex;
  align-items: center;
  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);
  text-decoration: none;
  color: var(--color-text);
}
.site-header__logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 999px;
  background: radial-gradient(circle at 0 0, rgba(244, 114, 182, 0.9), rgba(34, 211, 238, 0.9));
  color: var(--color-text-inverse);
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.18);
}
.site-header__logo-text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}
.site-header__logo-title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  letter-spacing: -0.02em;
}
.site-header__logo-subtitle {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.site-header__toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0.22rem;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(148, 163, 184, 0.6);
  background: rgba(255, 255, 255, 0.9);
  padding: 0;
  color: inherit;
}
.site-header__toggle-bar {
  width: 1.25rem;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  transition: transform var(--transition-normal), opacity var(--transition-normal), width var(--transition-normal);
}
.site-header__nav {
  position: fixed;
  inset: var(--header-height-mobile) 0 auto 0;
  max-height: calc(100vh - var(--header-height-mobile));
  overflow-y: auto;
  background: radial-gradient(circle at 0 0, rgba(244, 114, 182, 0.16), transparent 55%), radial-gradient(circle at 100% 100%, rgba(34, 211, 238, 0.16), transparent 55%), rgba(248, 250, 252, 0.98);
  border-bottom: 1px solid rgba(148, 163, 184, 0.35);
  transform: translateY(-8px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-normal), transform var(--transition-normal), visibility var(--transition-normal);
}
.site-header__nav-list {
  list-style: none;
  margin: 0;
  padding: var(--space-md) var(--space-md) 0;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.site-header__nav-list--secondary {
  padding-top: 0;
  padding-bottom: var(--space-md);
}
.site-header__nav-item--cta {
  /* margin-top: var(--space-sm); */
}
.site-header__nav-link {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  color: var(--color-text-soft);
  text-decoration: none;
  transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}
.site-header__nav-link:hover,
.site-header__nav-link:focus-visible {
  background: rgba(15, 23, 42, 0.04);
  color: var(--color-text);
  text-decoration: none;
}
.site-header__nav-link--active {
  background: rgba(244, 114, 182, 0.14);
  color: var(--color-primary-strong);
}
.site-header__nav-secondary {
  border-top: 1px solid rgba(148, 163, 184, 0.3);
}
.site-header--menu-open .site-header__nav {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}
.site-header--menu-open .site-header__toggle-bar:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}
.site-header--menu-open .site-header__toggle-bar:nth-child(2) {
  opacity: 0;
  width: 0.6rem;
}
.site-header--menu-open .site-header__toggle-bar:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
}
@media (min-width: 768px) {
  .site-header__inner {
    height: var(--header-height-desktop);
  }
  .site-header__toggle {
    display: none;
  }
  .site-header__nav {
    position: static;
    inset: auto;
    max-height: none;
    overflow: visible;
    background: transparent;
    border: 0;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-md);
  }
  .site-header__nav-list {
    flex-direction: row;
    align-items: center;
    padding: 0;
    gap: 0.25rem;
  }
  .site-header__nav-list--secondary {
    gap: 0.15rem;
  }
  .site-header__nav-secondary {
    border-top: 0;
  }
  .site-header__nav-link {
    white-space: nowrap;
  }
}
@media (min-width: 1024px) {
  .site-header__inner {
    gap: var(--space-lg);
  }
  .site-header__nav-list--primary {
    gap: 0.35rem;
  }
}