/* ============================================================
   NAVBAR — Transparente con línea animada al hacer scroll
   Links en uppercase 12px · "MENÚ" en texto en mobile
   ============================================================ */

.navbar {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 900;
  padding-block: 0.6rem;
  padding-inline: var(--section-px);
  transition: background-color 0.4s ease, padding 0.3s ease;
}

/* La línea inferior animada */
.navbar__line {
  position: absolute;
  inset-block-end: 0;
  inset-inline-start: 0;
  height: 1px;
  width: 0%;
  background: rgba(var(--teal-300-rgb), 0.25);
  transition: width 0.7s var(--ease-in-out);
  pointer-events: none;
}

.navbar.scrolled {
  background-color: rgba(var(--dark-rgb), 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding-block: 0.75rem;
}

.navbar.scrolled .navbar__line {
  width: 100%;
}

/* ── Layout ──────────────────────────────────────────────────── */

.navbar__inner {
  max-width: var(--container-max);
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* ── Logo ─────────────────────────────────────────────────── */

.navbar__logo {
  flex-shrink: 0;
  transition: opacity var(--transition);
  line-height: 0;
}

.navbar__logo:hover {
  opacity: 0.75;
}

.navbar__logo-img {
  height: 64px;
  width: auto;
  display: block;
}

/* ── Links ────────────────────────────────────────────────── */

.navbar__links {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  margin-inline-start: auto;
}

/* Separador visual antes del CTA */
.navbar__links li:last-of-type:not(.navbar__links-cta) {
  margin-inline-end: 1.5rem;
}

.navbar__link {
  position: relative;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--neutral-500);
  padding: 0.45rem 0.7rem;
  transition: color var(--transition);
}

/* Indicador geométrico al hacer hover: línea inferior */
.navbar__link::after {
  content: '';
  position: absolute;
  inset-block-end: 0.3rem;
  inset-inline-start: 0.7rem;
  inset-inline-end: 0.7rem;
  height: 1px;
  background: var(--teal-300);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.3s var(--ease-in-out);
}

.navbar__link:hover {
  color: var(--neutral-100);
}

.navbar__link:hover::after {
  transform: scaleX(1);
}

/* CTA inside link list (mobile only) */
.navbar__links-cta {
  display: none;
  padding-top: 0.75rem;
  margin-top: 0.25rem;
  border-top: 1px solid rgba(var(--teal-300-rgb), 0.1);
}

.navbar__links-cta .btn {
  width: 100%;
  justify-content: center;
}

/* Desktop Blog link */
.navbar__blog {
  flex-shrink: 0;
}

/* Blog link inside link list (mobile only) */
.navbar__links-blog {
  display: none;
  border-bottom: 1px solid rgba(var(--teal-300-rgb), 0.05);
}

/* Desktop CTA */
.navbar__cta {
  flex-shrink: 0;
}

/* ── Lang switcher ────────────────────────────────────────── */

.lang-switcher {
  position: relative;
  flex-shrink: 0;
}

.lang-trigger {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  background: none;
  border: 1px solid rgba(var(--neutral-200-rgb), 0.15);
  border-radius: var(--radius-btn);
  color: var(--neutral-500);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  padding: 0.35rem 0.6rem;
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition);
  white-space: nowrap;
}

.lang-trigger:hover {
  border-color: rgba(var(--teal-300-rgb), 0.4);
  color: var(--neutral-100);
}

.lang-globe {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
}

.lang-chevron {
  width: 10px;
  height: 10px;
  flex-shrink: 0;
  transition: transform 0.2s var(--ease-in-out);
}

.lang-trigger[aria-expanded="true"] .lang-chevron {
  transform: rotate(180deg);
}

.lang-trigger[aria-expanded="true"] {
  border-color: rgba(var(--teal-300-rgb), 0.4);
  color: var(--neutral-100);
}

/* Dropdown */
.lang-dropdown {
  display: none;
  position: absolute;
  inset-block-start: calc(100% + 0.5rem);
  inset-inline-end: 0;
  min-width: 130px;
  background: rgba(var(--dark-rgb), 0.97);
  border: 1px solid rgba(var(--teal-300-rgb), 0.1);
  border-radius: var(--radius-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  list-style: none;
  padding: 0.35rem;
  z-index: 1000;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.lang-dropdown.open {
  display: block;
}

.lang-option {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
  background: none;
  border: none;
  border-radius: 4px;
  padding: 0.55rem 0.75rem;
  cursor: pointer;
  transition: background var(--transition);
}

.lang-option:hover {
  background: rgba(var(--teal-300-rgb), 0.06);
}

.lang-option--active {
  background: rgba(var(--teal-300-rgb), 0.08);
}

.lang-option__code {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--teal-300);
  min-width: 1.8rem;
}

.lang-option__name {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--neutral-200);
}

/* ── Botón MENÚ ───────────────────────────────────────────── */

.navbar__menu-btn {
  display: none;
  background: none;
  border: 1px solid rgba(var(--neutral-200-rgb), 0.2);
  border-radius: var(--radius-btn);
  color: var(--neutral-200);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  padding: 0.45rem 0.75rem;
  margin-inline-start: auto;
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition);
}

.navbar__menu-btn:hover {
  border-color: var(--teal-300);
  color: var(--teal-300);
}

.menu-label-close { display: none; }

.navbar__menu-btn[aria-expanded="true"] .menu-label-open  { display: none; }
.navbar__menu-btn[aria-expanded="true"] .menu-label-close { display: inline; }

/* ── Mobile ───────────────────────────────────────────────── */

@media (max-width: 780px) {
  .navbar__links {
    display: none;
    position: absolute;
    inset-block-start: 100%;
    inset-inline: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.75rem var(--section-px) 1.25rem;
    background-color: rgba(var(--dark-rgb), 0.97);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(var(--teal-300-rgb), 0.08);
  }

  .navbar__links.open {
    display: flex;
  }

  .navbar__link {
    font-size: 0.85rem;
    padding: 0.85rem 0.25rem;
    letter-spacing: 0.08em;
    border-bottom: 1px solid rgba(var(--teal-300-rgb), 0.05);
  }

  .navbar__links li:last-of-type:not(.navbar__links-cta) {
    margin-inline-end: 0;
  }

  .navbar__link::after { display: none; }

  .navbar__links-blog {
    display: block;
  }

  .navbar__links-cta {
    display: block;
  }

  .navbar__blog,
  .navbar__cta {
    display: none;
  }

  .navbar__menu-btn {
    display: inline-flex;
    align-items: center;
  }

  .lang-dropdown {
    inset-inline-end: 0;
    inset-inline-start: auto;
  }
}