/* Header-specific styles for Flow Pipe Assist */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
}

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

.site-header-left {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.site-logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-full);
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.site-logo-mark .fa-faucet-drip {
  font-size: 1.1rem;
}

.site-logo-text {
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: var(--text-sm);
}

.site-header-tagline {
  margin-top: 0.1rem;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* Navigation */
.site-nav-wrapper {
  display: flex;
  align-items: center;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav-item a {
  font-size: var(--text-sm);
  color: var(--gray-700);
  font-weight: 500;
}

.site-nav-item a:hover,
.site-nav-item a:focus-visible {
  color: var(--color-primary-dark);
}

.site-nav-cta {
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-primary);
  background-color: var(--color-primary);
  color: #fff !important;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.site-nav-cta:hover,
.site-nav-cta:focus-visible {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

/* Mobile toggle */
.site-nav-toggle {
  display: none;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  background-color: #ffffff;
  color: var(--gray-800);
}

.site-nav-toggle-box {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.18rem;
}

.site-nav-toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--gray-800);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.site-nav-toggle-text {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-weight: 600;
}

/* Toggle animation when menu open */
.site-header--menu-open .site-nav-toggle-bar:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}

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

.site-header--menu-open .site-nav-toggle-bar:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
}

/* Responsive behavior */
@media (max-width: 768px) {
  .site-header-inner {
    align-items: flex-start;
  }

  .site-header-left {
    flex: 1;
  }

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

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

  .site-nav-wrapper {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background-color: #ffffff;
    border-bottom: 1px solid rgba(15, 23, 42, 0.07);
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.08);
    transform-origin: top center;
    transform: scaleY(0.95);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-slow), transform var(--transition-slow);
  }

  .site-header--menu-open .site-nav-wrapper {
    opacity: 1;
    transform: scaleY(1);
    pointer-events: auto;
  }

  .site-nav {
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-4);
  }

  .site-nav-item a {
    padding: 0.4rem 0.2rem;
  }

  .site-nav-cta {
    text-align: center;
    justify-content: center;
  }
}

@media (min-width: 769px) {
  .site-nav-wrapper {
    position: static;
    box-shadow: none;
    border-bottom: none;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .site-nav-toggle-bar {
    transition: none;
  }
  .site-nav-wrapper {
    transition: none;
  }
}