/* ============================================================
   FrugalNova - back-nav.css
   Breadcrumb/back-navigation bar for all service subpages
   ============================================================ */

.back-nav-bar {
  display: flex;
  align-items: center;
  width: 100%;
  height: 38px;
  overflow: hidden;
  background: var(--clr-primary, #1a2e44);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0 2rem;
  gap: 0.5rem;
  font-family: var(--font-sans, 'Inter', sans-serif);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  color: rgba(255, 255, 255, 0.6);
  transform: translateY(0);
  transition: height 0.35s cubic-bezier(0.25, 1, 0.5, 1), 
              opacity 0.3s ease, 
              padding 0.35s cubic-bezier(0.25, 1, 0.5, 1), 
              border-bottom-color 0.3s ease;
  flex-shrink: 0;
}

.back-nav-bar.back-nav-hidden {
  height: 0 !important;
  padding-top: 0 !important;
  padding-bottom: 0 !important;
  border-bottom-color: transparent !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

.back-nav-bar a.back-nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
  white-space: nowrap;
}

.back-nav-bar a.back-nav-link:hover {
  color: var(--clr-accent, #B5246A);
}

.back-nav-arrow {
  display: inline-block;
  font-size: 0.85em;
  transition: transform 0.2s ease;
}

.back-nav-bar a.back-nav-link:hover .back-nav-arrow {
  transform: translateX(-3px);
}

.back-nav-sep {
  color: rgba(255, 255, 255, 0.3);
  font-size: 0.65rem;
  user-select: none;
}

.back-nav-current {
  color: #ffffff;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 260px;
}

/* Ensure the layout transitions smoothly by adding padding to body */
body.has-back-nav {
  padding-top: 38px;
}

/* Ensure the fixed header is stable at the very top */
body.has-back-nav #navbar {
  top: 0 !important;
}

/* Format #navbar as a stacked flex container when back-nav is inside */
#navbar.has-back-nav {
  display: flex !important;
  flex-direction: column !important;
  padding-top: 0 !important;
}

#navbar.has-back-nav .nav-container {
  width: 100% !important;
}

/* Scroll progress bar -- shared across subpages */
#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--clr-accent, #B5246A) 0%, var(--clr-accent-light, #C94985) 100%);
  z-index: 99999;
  transition: width 0.1s linear;
  pointer-events: none;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .back-nav-bar {
    padding: 0 1.25rem;
    font-size: 0.68rem;
    height: 36px;
  }
  .back-nav-current {
    max-width: 160px;
  }
  body.has-back-nav {
    padding-top: 36px;
  }
}