.header-shell {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
}
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}
.header__brand {
  min-width: 0;
}
.nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}
.nav__item {
  margin: 0;
}
.nav__link {
  white-space: nowrap;
}
.nav-toggle {
  position: relative;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-pill);
  background-color: rgba(5, 8, 22, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.6);
}
.nav-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  gap: 0.25rem;
}
.nav-toggle__bar {
  width: 1.2rem;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent-pink));
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}
.mobile-nav {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transform: translateY(-4px);
  transition: max-height var(--transition-slow), opacity var(--transition-base), transform var(--transition-base);
  background: linear-gradient(to bottom, rgba(5, 8, 22, 0.98), rgba(5, 8, 22, 0.9));
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.mobile-nav--open {
  max-height: 420px;
  opacity: 1;
  transform: translateY(0);
}
.mobile-nav__list {
  list-style: none;
  margin: 0;
  padding: var(--space-sm) 0 var(--space-sm);
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}
.mobile-nav__item {
  margin: 0;
}
.mobile-nav__link {
  display: flex;
  align-items: center;
  padding-block: 0.6rem;
  padding-inline: 0.1rem;
  font-size: var(--text-md);
  color: var(--color-text-soft);
  border-radius: var(--radius-md);
}
.mobile-nav__link:hover {
  color: var(--color-text);
}
.mobile-nav__link.nav__link--active,
.mobile-nav__link.mobile-nav__link--active {
  color: var(--color-accent-turquoise);
}
@media (min-width: 900px) {
  .nav-toggle {
    display: none;
  }
  .mobile-nav {
    display: none;
  }
}
@media (max-width: 899.98px) {
  .nav {
    display: none;
  }
  .nav-cta {
    display: none;
  }
  .header {
    height: var(--header-height-mobile);
  }
}
@media (min-width: 900px) {
  .header {
    height: var(--header-height-desktop);
  }
}