/*
 * rivo — Shared Site Nav + Help Breadcrumb
 *
 * Include on every public page (except login.html).
 * Pair with assets/js/nav.js for scroll + hamburger behavior.
 *
 * Layer 1: .site-nav          — 56px sticky top bar (all pages)
 * Layer 2: .help-breadcrumb   — 40px breadcrumb below nav (help pages only)
 */

/* ── Site Nav ── */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 56px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}
.site-nav.scrolled {
  border-bottom-color: #e2e8f0;
  background: rgba(255, 255, 255, 0.95);
}

.site-nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}
.site-nav-logo img {
  height: 22px;
  width: auto;
  color: #1e293b;
}

.site-nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}
.site-nav-links a {
  font-size: 0.88rem;
  font-weight: 500;
  color: #64748b;
  text-decoration: none;
  transition: color 0.2s;
}
.site-nav-links a:hover { color: #1e293b; }

.site-nav-cta {
  background: #1e293b !important;
  color: white !important;
  padding: 8px 18px;
  border-radius: 8px;
  font-weight: 600 !important;
  font-size: 0.85rem !important;
  transition: opacity 0.2s;
}
.site-nav-cta:hover { opacity: 0.85; }

/* Hamburger button — hidden on desktop */
.site-nav-mobile {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: #1e293b;
}

/* ── Help Breadcrumb ── */
.help-breadcrumb {
  position: fixed;
  top: 56px; left: 0; right: 0;
  z-index: 199;
  height: 40px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 24px;
  background: rgba(248, 250, 252, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid #e2e8f0;
  font-size: 0.82rem;
}
.help-breadcrumb-back {
  color: #64748b;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}
.help-breadcrumb-back:hover { color: #1e293b; }
.help-breadcrumb-sep { color: #cbd5e1; }
.help-breadcrumb-current {
  color: #1e293b;
  font-weight: 600;
}

/* ── Mobile (< 768px) ── */
@media (max-width: 767px) {
  .site-nav-links {
    display: none;
    position: absolute;
    top: 56px; left: 0; right: 0;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid #e2e8f0;
    padding: 12px 24px;
    gap: 4px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  }
  .site-nav-links.show { display: flex; }
  .site-nav-links a {
    padding: 10px 0;
    font-size: 0.95rem;
  }
  .site-nav-cta {
    display: inline-block;
    text-align: center;
    margin-top: 4px;
    padding: 10px 18px !important;
  }
  .site-nav-mobile { display: block; }
}