/* ═══════════════════════════════════════════
   NAV — Barra de navegação e menu mobile
═══════════════════════════════════════════ */

nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.5rem, 5vw, 4.5rem);
  height: 90px;
  background: rgba(6,11,7,0.82);
  backdrop-filter: blur(22px) saturate(160%);
  -webkit-backdrop-filter: blur(22px) saturate(160%);
  border-bottom: 1px solid var(--line);
}

.nav-logo img {
  height: 72px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  transition: color 0.3s;
  position: relative;
}

.nav-links a:not(.btn-nav)::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width 0.35s ease;
}
.nav-links a:not(.btn-nav):hover { color: var(--cream); }
.nav-links a:not(.btn-nav):hover::after { width: 100%; }

.btn-nav {
  border: 1px solid var(--gold) !important;
  color: var(--gold) !important;
  padding: 0.48rem 1.2rem !important;
  border-radius: 2px;
  transition: background 0.3s, color 0.3s !important;
  font-size: 0.7rem !important;
}
.btn-nav:hover  { background: var(--gold) !important; color: var(--bg) !important; }
.btn-nav::after { display: none !important; }

/* ── Hamburger ── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px; height: 1px;
  background: var(--muted);
  transition: all 0.3s;
}

/* ── Drawer mobile ── */
.drawer {
  display: none;
  position: fixed;
  top: 91px; left: 0; right: 0;
  background: rgba(6,11,7,0.97);
  backdrop-filter: blur(22px);
  border-bottom: 1px solid var(--line);
  padding: 1.75rem clamp(1.5rem, 5vw, 4.5rem) 2.25rem;
  z-index: 99;
}
.drawer.open { display: block; }
.drawer a {
  display: block;
  padding: 0.9rem 0;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  transition: color 0.3s;
}
.drawer a:hover { color: var(--cream); }
.drawer a:last-of-type { border: none; }
.drawer .btn-nav {
  display: inline-block;
  margin-top: 1.25rem;
  border: 1px solid var(--gold) !important;
  color: var(--gold) !important;
  padding: 0.48rem 1.2rem !important;
  border-radius: 2px;
}

/* ── Toggle de idioma ── */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 5px;
  padding-left: 1rem;
  border-left: 1px solid var(--line);
  margin-left: 0.25rem;
}

.lang-toggle button {
  background: transparent;
  border: none;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  padding: 3px 5px;
  transition: color 0.3s;
  font-family: var(--font-body);
  line-height: 1;
}
.lang-toggle button:hover    { color: var(--cream); }
.lang-toggle button.active   { color: var(--gold); }
.lang-toggle .lang-divider   { color: var(--muted2); font-size: 0.65rem; }

/* Drawer — toggle no mobile */
.drawer .lang-toggle {
  display: flex;
  padding-left: 0;
  border-left: none;
  margin-left: 0;
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}
.drawer .lang-toggle button { font-size: 0.72rem; padding: 4px 6px; }

/* ── Responsivo ── */
@media (max-width: 900px) {
  .nav-links li:not(:last-child):not(.lang-toggle) { display: none; }
  .lang-toggle { padding-left: 0; border-left: none; margin-left: 0; }
  .hamburger { display: flex; }
}
@media (max-width: 480px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .nav-logo img { height: 56px; }
}