/* ============================================================ */
/* BLOQUE: NAVBAR v1.0                                          */
/* Depende de: variables.css, base.css                          */
/* Breakpoints: hamburguesa < 768px                             */
/* ============================================================ */

.navbar {
  position: fixed;
  top: var(--topbar-height);
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  height: var(--navbar-height);
  display: flex;
  align-items: center;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-base), background var(--transition-base);
}

.navbar--scrolled {
  border-bottom-color: var(--border);
  background: rgba(10, 10, 10, 0.95);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.navbar__logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  text-decoration: none;
  font-size: var(--text-xl);
  color: var(--text-primary);
  font-weight: 500;
}

.navbar__logo-icon { font-size: var(--text-2xl); }
.navbar__logo-text strong { font-weight: 800; color: var(--accent-primary); }

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

.navbar__list {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  list-style: none;
  padding: 0;
}

.navbar__link {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}

.navbar__link:hover,
.navbar__link--active { color: var(--text-primary); }

.navbar__cta { min-width: 0; min-height: 48px; padding: var(--space-sm) var(--space-lg); }

.navbar__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 48px;
  height: 48px;
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
}

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

.navbar__toggle[aria-expanded="true"] .navbar__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.navbar__toggle[aria-expanded="true"] .navbar__toggle-bar:nth-child(2) { opacity: 0; }
.navbar__toggle[aria-expanded="true"] .navbar__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* === MOBILE === */
@media (max-width: 767px) {
  .navbar__toggle { display: flex; }

  .navbar__nav {
    position: fixed;
    top: calc(var(--topbar-height) + var(--navbar-height));
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-base), opacity var(--transition-base),
                visibility var(--transition-base);
  }

  .navbar__nav--open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .navbar__list {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-xs);
  }

  .navbar__link {
    display: block;
    padding: var(--space-md);
    font-size: var(--text-lg);
  }

  .navbar__cta { width: 100%; min-height: 56px; }
}