/* =====================================================================
   CANITAS FELICES — navbar.css
   Navbar transparente sobre el hero; se vuelve sólida al hacer scroll
   (la clase .navbar--scrolled la agrega navbar.js).
   ===================================================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--navbar-height);
  z-index: 900;
  background-color: transparent;
  transition: background-color var(--transition-base), box-shadow var(--transition-base), height var(--transition-base);
}

.navbar__container {
  max-width: var(--container-width);
  height: 100%;
  margin-inline: auto;
  padding-inline: var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

/* --- Estado sólido, aplicado por JS cuando hay scroll --- */
.navbar--scrolled,
.navbar--no-hero {
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  height: 72px;
}

/* --- Logotipo --- */
.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  flex-shrink: 0;
}

.navbar__logo-img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  transition: width var(--transition-base), height var(--transition-base);
}

.navbar--scrolled .navbar__logo-img,
.navbar--no-hero .navbar__logo-img {
  width: 38px;
  height: 38px;
}

.navbar__logo-text {
  font-family: var(--font-display);
  font-size: var(--fs-md);
  font-weight: 600;
  color: var(--color-white);
  transition: color var(--transition-base);
}

.navbar--scrolled .navbar__logo-text,
.navbar--no-hero .navbar__logo-text {
  color: var(--color-navy);
}

/* --- Menú de navegación --- */
.navbar__menu {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.navbar__list {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.navbar__link {
  position: relative;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-white);
  padding-block: 0.4rem;
  transition: color var(--transition-fast);
}

.navbar__link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-sky);
  transition: width var(--transition-fast);
}

.navbar__link:hover::after,
.navbar__link:focus-visible::after {
  width: 100%;
}

/* Enlace de la sección actualmente visible (scrollspy, ver navbar.js) */
.navbar__link.is-active {
  color: var(--color-sky);
}

.navbar--scrolled .navbar__link.is-active,
.navbar--no-hero .navbar__link.is-active {
  color: var(--color-sky-dark);
}

.navbar__link.is-active::after {
  width: 100%;
}

.navbar--scrolled .navbar__link,
.navbar--no-hero .navbar__link {
  color: var(--color-navy);
}

.navbar--scrolled .navbar__link:hover,
.navbar--no-hero .navbar__link:hover {
  color: var(--color-sky-dark);
}

/* --- Botón de WhatsApp en la navbar --- */
.navbar__whatsapp {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background-color: var(--color-whatsapp);
  color: var(--color-white);
  font-size: var(--fs-xs);
  font-weight: 700;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  flex-shrink: 0;
}

.navbar__whatsapp:hover {
  background-color: var(--color-whatsapp-dark);
  transform: translateY(-2px);
}

.navbar__whatsapp-icon {
  filter: brightness(0) invert(1);
}

/* --- Botón hamburguesa (oculto en escritorio, ver responsive.css) --- */
.navbar__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: var(--radius-sm);
}

.navbar__toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-white);
  border-radius: var(--radius-full);
  transition: background-color var(--transition-base), transform var(--transition-fast), opacity var(--transition-fast);
}

.navbar--scrolled .navbar__toggle-bar,
.navbar--no-hero .navbar__toggle-bar {
  background-color: var(--color-navy);
}

/* Estado abierto del ícono hamburguesa -> X (clase agregada por navbar.js) */
.navbar__toggle.is-active .navbar__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.navbar__toggle.is-active .navbar__toggle-bar:nth-child(2) {
  opacity: 0;
}

.navbar__toggle.is-active .navbar__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Cuando navbar.js mueve el foco a una sección completa (navegación por
   ancla accesible), se omite el outline nativo: el propósito es que Tab
   continúe desde ahí, no ofrecer un control visualmente interactivo. */
main section[tabindex="-1"]:focus {
  outline: none;
}