/* =====================================================================
   CABECERA STICKY — topbar + navbar
   ===================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
}

/* ----- Topbar ----- */

.topbar {
  background: var(--color-primario);
  padding: 8px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.topbar-texto {
  font-size: 12px;
  font-weight: var(--peso-semibold);
  color: rgba(255, 255, 255, 0.85);
  text-align: center;
  margin: 0;
}

.topbar-telefono {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: var(--peso-bold);
  color: var(--color-acento-claro);
  text-decoration: none;
  white-space: nowrap;
}

.topbar-telefono svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* ----- Navbar ----- */

.navbar {
  background: var(--color-fondo);
  border-bottom: 1px solid var(--color-borde);
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  gap: 16px;
}

/* Logo */

.navbar-logo {
  flex-shrink: 0;
}

.navbar-logo img {
  height: 40px;
  width: auto;
  display: block;
}

/* Nav links — ocultos en móvil */

.navbar-nav {
  display: none;
  gap: 4px;
}

.navbar-nav a {
  font-size: 14px;
  font-weight: var(--peso-semibold);
  color: var(--color-texto);
  padding: 8px 12px;
  border-radius: var(--radio-small);
  transition: color 0.2s ease, background 0.15s ease;
  white-space: nowrap;
}

.navbar-nav a:hover {
  color: var(--color-primario-claro);
  background: var(--color-fondo-secundario);
}

/* Submenú */

.has-submenu {
  position: relative;
}

.submenu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 220px;
  background: var(--color-fondo);
  border: 1px solid var(--color-borde);
  border-radius: var(--radio);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.10);
  padding: 8px 0;
  z-index: 100;
}

.has-submenu:hover .submenu,
.has-submenu:focus-within .submenu {
  display: block;
}

.submenu li a {
  display: block;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: var(--peso-semibold);
  color: var(--color-texto);
  border-radius: 0;
}

.submenu li a:hover {
  background: var(--color-fondo-secundario);
  color: var(--color-primario-claro);
}

/* Acciones derecha — ocultas en móvil */

.navbar-acciones {
  display: none;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.navbar-telefono {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: var(--peso-bold);
  color: var(--color-primario);
  text-decoration: none;
  white-space: nowrap;
}

.navbar-telefono svg {
  width: 16px;
  height: 16px;
  color: var(--color-acento);
}

/* Botón CTA navbar */

.btn-cta {
  background: var(--color-acento);
  color: #fff;
  font-size: 14px;
  font-weight: var(--peso-bold);
  padding: 9px 18px;
  border-radius: var(--radio-small);
  border: none;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.2s ease;
}

.btn-cta:hover {
  background: var(--color-primario-claro);
}

/* Hamburguesa */

.hamburger {
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  flex-shrink: 0;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-primario);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.2s ease;
  transform-origin: center;
}

/* Hamburguesa abierta → X */

.hamburger--abierto span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger--abierto span:nth-child(2) {
  opacity: 0;
}

.hamburger--abierto span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Menú móvil desplegable */

.navbar-nav.nav-abierto {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-fondo);
  border-bottom: 1px solid var(--color-borde);
  padding: 12px 16px 20px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
  z-index: 999;
}

.navbar-nav.nav-abierto a {
  padding: 12px 8px;
  border-bottom: 1px solid var(--color-borde);
  border-radius: 0;
  font-size: 15px;
}

.navbar-nav.nav-abierto a:last-child {
  border-bottom: none;
}

/* Botón presupuesto visible solo en móvil (navbar) */

.navbar-btn-movil {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-acento);
  color: #fff;
  font-size: 13px;
  font-weight: var(--peso-bold);
  padding: 8px 14px;
  border-radius: var(--radio-small);
  white-space: nowrap;
  text-decoration: none;
  flex-shrink: 0;
}

/* ----- Desktop (≥ 1024px) ----- */

@media (min-width: 1024px) {

  .topbar {
    justify-content: space-between;
    padding: 8px 48px;
  }

  .topbar-texto {
    font-size: 13px;
  }

  .navbar {
    height: 64px;
    padding: 0 48px;
  }

  .navbar-nav {
    display: flex;
    align-items: center;
    gap: 4px;
  }

  .navbar-acciones {
    display: flex;
  }

  .hamburger,
  .navbar-btn-movil {
    display: none;
  }
}