/* === SECCIÓN: NAVBAR === */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-navbar);
  background-color: var(--color-bg-primary);
  box-shadow: var(--shadow-navbar);
  transition: box-shadow var(--transition-fast),
              background-color var(--transition-fast);
}

.navbar.scrolled {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background-color: rgba(255, 255, 255, 0.92);
  box-shadow: 0 1px 0 var(--color-border), 0 4px 24px rgba(17, 19, 22, 0.06);
}

/* === INNER === */
.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

/* === LOGO === */
.navbar__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}

.navbar__logo img {
  height: 32px;
  width: auto;
}

/* === LINKS CENTRO === */
.navbar__links {
  display: none;
  align-items: center;
  gap: var(--space-8);
}

.navbar__links a {
  font-family: var(--font-ui);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  text-decoration: none;
  padding-block: var(--space-2);
  position: relative;
  transition: color var(--transition-fast);
}

.navbar__links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-accent);
  border-radius: 1px;
  transform: scaleX(0);
  transition: transform var(--transition-fast);
}

.navbar__links a:hover {
  color: var(--color-text-primary);
}

.navbar__links a:hover::after,
.navbar__links a.active::after {
  transform: scaleX(1);
}

.navbar__links a.active {
  color: var(--color-text-primary);
}

/* === CTA DERECHA === */
.navbar__actions {
  display: none;
  align-items: center;
  gap: var(--space-3);
}

/* === HAMBURGER === */
.navbar__hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: var(--space-2);
  cursor: pointer;
  background: none;
  border: none;
  border-radius: var(--border-radius);
  transition: background-color var(--transition-fast);
}

.navbar__hamburger:hover {
  background-color: var(--color-bg-secondary);
}

.navbar__hamburger span {
  display: block;
  height: 2px;
  background-color: var(--color-text-primary);
  border-radius: 2px;
  transition: transform var(--transition-base),
              opacity var(--transition-base),
              width var(--transition-base);
  transform-origin: center;
}

.navbar__hamburger span:nth-child(1) { width: 22px; }
.navbar__hamburger span:nth-child(2) { width: 16px; }
.navbar__hamburger span:nth-child(3) { width: 22px; }

/* Estado abierto — X */
.navbar__hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
  width: 22px;
}

.navbar__hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.navbar__hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
  width: 22px;
}

/* === OVERLAY MOBILE === */
.navbar__overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(17, 19, 22, 0.4);
  z-index: calc(var(--z-navbar) - 1);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.navbar__overlay.visible {
  display: block;
}

.navbar__overlay.open {
  opacity: 1;
}

/* === MENÚ MOBILE === */
.navbar__mobile {
  position: fixed;
  top: 68px;
  left: 0;
  right: 0;
  background-color: var(--color-bg-primary);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  z-index: var(--z-navbar);
  padding: var(--space-4) var(--space-6) var(--space-6);
  transform: translateY(-110%);
  opacity: 0;
  transition: transform var(--transition-base),
              opacity var(--transition-base);
  box-shadow: 0 8px 32px rgba(17, 19, 22, 0.12);
}

.navbar__mobile.open {
  transform: translateY(0);
  opacity: 1;
}

.navbar__mobile-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-5);
}

.navbar__mobile-links a {
  display: block;
  font-family: var(--font-ui);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  padding: var(--space-3) var(--space-2);
  border-radius: var(--border-radius);
  transition: color var(--transition-fast),
              background-color var(--transition-fast);
}

.navbar__mobile-links a:hover,
.navbar__mobile-links a.active {
  color: var(--color-text-primary);
  background-color: var(--color-bg-secondary);
}

.navbar__mobile-cta {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.navbar__mobile-cta .btn {
  width: 100%;
  justify-content: center;
  padding-block: var(--space-3);
}

/* === DESKTOP === */
@media (min-width: 1024px) {
  .navbar__links {
    display: flex;
  }

  .navbar__actions {
    display: flex;
  }

  .navbar__hamburger {
    display: none;
  }
}

/* === ESPACIADOR para compensar el navbar fixed === */
.navbar-spacer {
  height: 68px;
}