/* ═══════════════════════════════════════════════════════════════════
   LS DOMÓTICA — nav.css
   ------------------------------------------------------------------
   Estilos de la barra de navegación (desktop + mobile).

   Tres bloques:
     · <nav>, .nav-inner, .nav-logo, .nav-links
     · .nav-actions con .login-dropdown y .nav-cta
     · .hamburger + .mobile-menu
═══════════════════════════════════════════════════════════════════ */

/* ─── BARRA FIJA ──────────────────────────────────────────────── */
#main-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  background: rgba(7, 9, 15, 0.82);
  backdrop-filter: blur(22px) saturate(1.5);
  -webkit-backdrop-filter: blur(22px) saturate(1.5);
  border-bottom: 1px solid var(--border);
  transition: background var(--t-normal), box-shadow var(--t-normal);
}

/* Cuando se scrollea, se intensifica el fondo (nav.js agrega .scrolled) */
#main-nav.scrolled {
  background: rgba(7, 9, 15, 0.94);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  height: var(--nav-height);
  gap: 1rem;
}

/* ─── LOGO ────────────────────────────────────────────────────── */
.nav-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  flex-shrink: 0;
  color: var(--text);
  transition: opacity var(--t-fast), transform var(--t-fast);
}

.nav-logo-img {
  width: 46px;
  height: 46px;
  object-fit: contain;
  filter: drop-shadow(0 6px 18px rgba(0, 149, 255, 0.22));
}

.nav-logo-text {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
.nav-logo:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* ─── LINKS PRINCIPALES ───────────────────────────────────────── */
.nav-links {
  display: flex;
  gap: 1.8rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--muted);
  transition: color var(--t-fast);
  padding-bottom: 3px;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .22s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
}
.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
}

/* ─── ACCIONES (dropdown + CTA) ───────────────────────────────── */
.nav-actions {
  display: flex;
  gap: 0.6rem;
  align-items: center;
}

.nav-cta {
  padding: 0.6rem 1.3rem;
  font-size: 0.85rem;
}

/* ─── DROPDOWN LOGIN ──────────────────────────────────────────── */
.login-dropdown {
  position: relative;
}

.login-dropdown-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid rgba(255, 255, 255, 0.15);
  color: var(--text);
  font-weight: 700;
  font-size: 0.86rem;
  font-family: var(--font-display);
  cursor: pointer;
  transition: all 0.2s;
  background: rgba(255, 255, 255, 0.03);
}
.login-dropdown-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.login-arrow {
  font-size: 0.65rem;
  transition: transform 0.2s;
  display: inline-block;
}
.login-dropdown.open .login-arrow {
  transform: rotate(180deg);
}

.login-menu {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  min-width: 220px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  z-index: 100;
}
.login-dropdown.open .login-menu {
  display: block;
  animation: loginMenuIn 0.18s ease;
}

@keyframes loginMenuIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.login-menu-item {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.85rem 1.1rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.15s;
  border-bottom: 1px solid var(--border);
  width: 100%;
  text-align: left;
  background: transparent;
}
.login-menu-item:last-child { border-bottom: none; }
.login-menu-item:hover {
  background: rgba(0, 149, 255, 0.07);
  color: var(--text);
}

.login-menu-item .lm-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
}
.login-menu-item .lm-title {
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--text);
  line-height: 1.2;
}
.login-menu-item .lm-sub {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 2px;
}

/* ─── HAMBURGUESA ─────────────────────────────────────────────── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 23px;
  height: 2px;
  background: var(--text);
  transition: all 0.28s;
  border-radius: 2px;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px)  rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── MENÚ MOBILE ─────────────────────────────────────────────── */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: rgba(7, 9, 15, 0.97);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border-bottom: 1px solid var(--border);
  padding: 1.2rem 24px 2rem;
  flex-direction: column;
  gap: 1rem;
  z-index: calc(var(--z-nav) - 1);
}
.mobile-menu.open {
  display: flex;
  animation: mobileIn 0.22s ease;
}

@keyframes mobileIn {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.mobile-menu a {
  font-size: 1rem;
  font-weight: 600;
  color: var(--muted);
  padding: 0.3rem 0;
}
.mobile-menu a:hover {
  color: var(--text);
}

.mob-divider {
  height: 1px;
  background: var(--border);
  margin: 0.4rem 0;
}

.mob-portal-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: -0.3rem;
}

.mob-cta {
  margin-top: 0.5rem;
}

/* ─── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-links,
  .nav-actions {
    display: none;
  }
  .hamburger {
    display: flex;
  }

  .nav-logo {
    width: 48px;
    height: 48px;
  }

  .nav-logo-img {
    width: 40px;
    height: 40px;
  }
}