.site-header-wrapper {
  position: sticky;
  top: 0;
  z-index: 40;
}

.site-header {
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.header-brand {
  flex: 1 1 auto;
  min-width: 0;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
}

.brand-mark {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-full);
  background: radial-gradient(circle at 30% 20%, var(--color-accent-yellow), var(--color-primary));
  color: var(--color-text-on-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--text-sm);
  box-shadow: var(--shadow-md);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--color-text);
}

.brand-tagline {
  font-size: var(--text-xs);
  color: var(--color-text-soft);
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  list-style: none;
}

.nav-item {
  position: relative;
}

.nav-link {
  position: relative;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  font-size: var(--text-sm);
  color: var(--gray-600);
  text-decoration: none;
  transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0.15rem;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-accent-peach), var(--color-accent-sky));
  transform: translateX(-50%);
  transition: width var(--transition-fast);
}

.nav-link:hover {
  background-color: rgba(20, 184, 166, 0.12);
  color: var(--color-primary);
  transform: translateY(-1px);
}

.nav-link:hover::after {
  width: 60%;
}

.nav-link.is-active {
  background: linear-gradient(135deg, var(--color-primary-soft), #e0f2fe);
  color: var(--color-text);
}

.nav-cta-wrap {
  display: flex;
  align-items: center;
}

.nav-cta {
  font-size: var(--text-sm);
  padding-inline: 1.2rem;
}

.nav-cta-icon {
  font-size: 0.9em;
}

.nav-toggle {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: rgba(255, 255, 255, 0.8);
  cursor: pointer;
  padding: 0;
  color: var(--color-text);
}

.nav-toggle-bar {
  width: 1.3rem;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-text);
  transition: transform var(--transition-fast), opacity var(--transition-fast), background-color var(--transition-fast);
}

.nav-toggle:focus-visible {
  outline: 3px solid var(--color-accent-sky);
  outline-offset: 3px;
}

.nav-toggle.is-open .nav-toggle-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle.is-open .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open .nav-toggle-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

@media (max-width: 799px) {
  .primary-nav {
    position: fixed;
    inset-inline: 0;
    top: calc(3.25rem + 12px);
    background: radial-gradient(circle at top, #e0f2fe 0, #fdfcfb 60%);
    box-shadow: 0 16px 40px rgba(15, 23, 42, 0.12);
    border-bottom-left-radius: var(--radius-lg);
    border-bottom-right-radius: var(--radius-lg);
    padding: var(--space-4) var(--space-4) var(--space-5);
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
    transform: translateY(-16px);
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transition: opacity var(--transition-normal), transform var(--transition-normal), visibility var(--transition-normal);
  }

  .primary-nav.is-open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
    visibility: visible;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

  .nav-link {
    width: 100%;
    text-align: left;
    background-color: rgba(255, 255, 255, 0.9);
    box-shadow: var(--shadow-sm);
  }

  .nav-cta-wrap {
    width: 100%;
  }

  .nav-cta {
    width: 100%;
    justify-content: center;
  }
}

@media (min-width: 800px) {
  .nav-toggle {
    display: none;
  }

  .primary-nav {
    position: static;
    inset: auto;
    padding: 0;
    background: transparent;
    box-shadow: none;
    border-radius: 0;
    opacity: 1 !important;
    transform: none !important;
    pointer-events: auto !important;
    visibility: visible !important;
  }
}