/* ==========================================================================
   NAVBAR — Sticky, transparente → sólida al hacer scroll
   ========================================================================== */

.adx-navbar {
  position: sticky;
  top: 0;
  z-index: var(--z-navbar);
  width: 100%;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition:
    background-color var(--duration-medium) var(--ease-smooth),
    border-color var(--duration-medium) var(--ease-smooth),
    backdrop-filter var(--duration-medium) var(--ease-smooth);
}

.adx-navbar[data-scrolled="true"] {
  background: rgba(7, 7, 10, 0.72);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--color-border-strong);
  box-shadow: 0 12px 40px -20px rgba(0,0,0,0.6);
}

.adx-navbar[data-scrolled="true"]::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent-light), var(--color-accent-2), transparent);
  opacity: 0.55;
}

.adx-navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1.1rem;
}

.adx-logo-text {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -0.02em;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.adx-navbar__menu {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}

.adx-navbar__menu a {
  position: relative;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--duration-fast) var(--ease-smooth);
}

.adx-navbar__menu a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: var(--gradient-accent);
  transition: width var(--duration-medium) var(--ease-smooth);
}

.adx-navbar__menu a:hover,
.adx-navbar__menu a:focus-visible { color: var(--color-text); }
.adx-navbar__menu a:hover::after,
.adx-navbar__menu a:focus-visible::after { width: 100%; }

.adx-navbar__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.adx-navbar__cta--mobile { display: none; }

.adx-navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
}

.adx-navbar__toggle-line {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--duration-medium) var(--ease-smooth),
              opacity var(--duration-fast) var(--ease-smooth);
}

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

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 860px) {
  .adx-navbar__toggle { display: flex; }

  .adx-navbar__nav {
    position: fixed;
    inset: 0 0 0 30%;
    top: 0;
    height: 100vh;
    background: var(--color-bg-alt);
    border-left: 1px solid var(--color-border);
    padding: 6rem 2rem 2rem;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform var(--duration-medium) var(--ease-smooth);
    z-index: calc(var(--z-navbar) - 1);
  }

  .adx-navbar__nav[data-open="true"] { transform: translateX(0); }

  .adx-navbar__menu {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.75rem;
  }

  .adx-navbar__menu a { font-size: 1.1rem; }

  .adx-navbar__cta { display: none; }
  .adx-navbar__cta--mobile {
    display: inline-flex;
    margin-top: 2rem;
    width: 100%;
  }
}

@media (max-width: 400px) {
  .adx-navbar__nav { inset: 0; }
}