/* ============================================================
   Navegación principal — CABV
   ============================================================ */

/* ── Barra superior ─────────────────────────────────────────── */
.topbar {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.75);
  font-size: 0.78rem;
  padding: 0.35rem 0;
}
.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.topbar a { color: inherit; }
.topbar a:hover { color: #fff; }
.topbar-left, .topbar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.topbar i { margin-right: 0.3rem; }

/* ── Header wrapper sticky ──────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--color-white);
  border-bottom: 3px solid var(--color-accent);
  box-shadow: 0 2px 12px rgba(0,0,0,0.07);
  transition: box-shadow var(--transition);
}
.site-header.scrolled {
  box-shadow: 0 3px 20px rgba(0,0,0,0.12);
}

/* ── Navbar: fila superior (logo + CTAs) ────────────────────── */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 0 0.5rem;
  gap: 1rem;
}

/* Logo */
.navbar-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  flex-shrink: 0;
}
.navbar-logo img {
  height: 56px;
  width: auto;
  display: block;
}
.navbar-logo-text {
  display: none;
  flex-direction: column;
  line-height: 1.2;
}
@media (min-width: 1024px) {
  .navbar-logo-text { display: flex; }
}
.navbar-logo-text strong {
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--color-primary-dark);
}
.navbar-logo-text span {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* CTA buttons — fila superior, alineados a la derecha */
.navbar-cta {
  display: none;
  gap: 0.5rem;
  align-items: center;
  flex-shrink: 0;
}
@media (min-width: 900px) {
  .navbar-cta { display: flex; }
}

/* ── Barra de nav (fila inferior) ───────────────────────────── */
.navbar-row2 {
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}
.navbar-nav {
  display: none;
  align-items: center;
  gap: 0;
  padding: 0;
  list-style: none;
}
@media (min-width: 900px) {
  .navbar-nav {
    display: flex;
  }
}

.nav-item {
  position: relative;
}
.nav-link {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.65rem 0.85rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  white-space: nowrap;
  transition: background var(--transition), color var(--transition);
  border-bottom: 3px solid transparent;
}
.nav-link:hover {
  background: var(--color-primary-pale);
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}
.nav-link.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-accent);
  background: var(--color-primary-pale);
}
.nav-link i { font-size: 0.65em; }

/* ── Dropdown ────────────────────────────────────────────────── */
.dropdown-menu {
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  position: absolute;
  top: 100%;          /* sin gap — el padding interno crea el "aire" visual */
  left: 0;
  min-width: 230px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-accent);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 300;
  padding-top: 0.25rem;
  padding-bottom: 0.35rem;
  transition: opacity 0.15s ease, visibility 0.15s ease;
}

/* Activar dropdown: hover sobre el nav-item (incluye el dropdown mismo) */
.nav-item:hover .dropdown-menu,
.nav-item:focus-within .dropdown-menu {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
}

.dropdown-menu a {
  display: block;
  padding: 0.6rem 1.1rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text);
  transition: background var(--transition), color var(--transition);
}
.dropdown-menu a:hover {
  background: var(--color-primary-pale);
  color: var(--color-primary);
  padding-left: 1.3rem;
}

/* ── Hamburger (mobile) ──────────────────────────────────────── */
.navbar-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 8px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid var(--color-border);
  transition: background var(--transition);
  flex-shrink: 0;
}
.navbar-toggle:hover { background: var(--color-primary-pale); }
.navbar-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-primary-dark);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.navbar-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar-toggle.open span:nth-child(2) { opacity: 0; }
.navbar-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
@media (min-width: 900px) {
  .navbar-toggle { display: none; }
}

/* ── Mobile drawer ───────────────────────────────────────────── */
.mobile-drawer {
  position: fixed;
  inset: 0 0 0 auto;
  width: min(320px, 88vw);
  background: var(--color-white);
  box-shadow: var(--shadow-lg);
  z-index: 500;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.mobile-drawer.open { transform: translateX(0); }

.mobile-drawer-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 490;
}
.mobile-drawer-overlay.open { display: block; }

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
}
.drawer-header img { height: 44px; width: auto; }
.drawer-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  font-size: 1.2rem;
  transition: background var(--transition);
}
.drawer-close:hover { background: var(--color-bg); }

.drawer-nav {
  padding: 1rem;
  flex: 1;
}
.drawer-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0.875rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.drawer-nav-link:hover { background: var(--color-primary-pale); color: var(--color-primary); }

.drawer-submenu {
  display: none;
  padding: 0.25rem 0 0.5rem 1rem;
}
.drawer-submenu.open { display: block; }
.drawer-submenu a {
  display: block;
  padding: 0.5rem 0.875rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
}
.drawer-submenu a:hover { background: var(--color-primary-pale); color: var(--color-primary); }

.drawer-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}