/* ============================================================
   4WaTT — Navbar CSS
   Versão 1.0 · Março 2026
   ============================================================ */

/* ============================================================
   BASE NAVBAR
   ============================================================ */

#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-navbar);
  transition: background-color 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
  padding: 0;
}

/* Estado inicial — transparente (sobre hero escuro) */
#navbar.transparent {
  background-color: transparent;
}

/* Estado scrolled — fundo roxo sólido */
#navbar.scrolled {
  background-color: var(--color-roxo-deep);
  box-shadow: 0 2px 20px rgba(0,0,0,0.25);
}

/* Páginas sem hero escuro usam fundo sólido desde o início */
#navbar.solid {
  background-color: var(--color-roxo-deep);
  box-shadow: 0 2px 20px rgba(0,0,0,0.25);
}

.navbar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  height: 72px;
  display: flex; align-items: center; justify-content: space-between;
  align-items: center;
  gap: var(--space-8);
}

/* Logo */
.navbar-logo {
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: space-between;
  align-items: center;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.navbar-logo:hover {
  opacity: 0.85;
}

.navbar-logo img {
  height: 36px;
  width: auto;
}

/* Nav links principal */
.navbar-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1.25rem;
  flex: 1;
}

.nav-link {
  position: relative;
  display: flex; align-items: center; justify-content: space-between;
  align-items: center;
  gap: 5px;
  padding: 8px 12px;
  font-family: 'Montserrat', sans-serif;
  font-size: 14px;
  font-weight: var(--weight-semibold);
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  white-space: nowrap;
  cursor: pointer;
  background: none;
  border: none;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-white);
  background-color: rgba(255,255,255,0.08);
}

.nav-link .chevron {
  font-size: 10px;
  transition: transform var(--transition-base);
  opacity: 0.6;
}

.nav-link.open .chevron {
  transform: rotate(180deg);
}

/* Navbar right section */
.navbar-right {
  display: flex; align-items: center; justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

/* Language selector */
.lang-selector {
  display: flex; align-items: center; justify-content: space-between;
  align-items: center;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.lang-btn {
  padding: 5px 10px;
  font-family: 'Montserrat', sans-serif;
  font-size: 12px;
  font-weight: var(--weight-bold);
  color: rgba(255,255,255,0.6);
  background: none;
  border: none;
  cursor: pointer;
  letter-spacing: 0.04em;
  transition: all var(--transition-fast);
}

.lang-btn.active {
  background: rgba(255,255,255,0.15);
  color: var(--color-white);
}

.lang-btn:hover:not(.active) {
  color: var(--color-white);
}

/* ============================================================
   DROPDOWN DE SOLUÇÕES
   ============================================================ */

.nav-dropdown-wrapper {
  position: relative;
}

.nav-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px rgba(0,0,0,0.15), 0 4px 12px rgba(0,0,0,0.1);
  border: 1px solid var(--color-border);
  width: 640px;
  padding: var(--space-4);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base), transform var(--transition-base);
  z-index: var(--z-dropdown);
}

.nav-dropdown.open {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 12px;
  height: 12px;
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
  transform: translateX(-50%) rotate(45deg);
}

.nav-dropdown__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
}

.nav-dropdown__item {
  display: flex; align-items: center; justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: background var(--transition-fast);
}

.nav-dropdown__item:hover {
  background: var(--color-off-white);
}

.nav-dropdown__icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(61,0,54,0.08), rgba(0,160,137,0.08));
  display: flex; align-items: center; justify-content: space-between;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 17px;
}

.nav-dropdown__item-text {}

.nav-dropdown__item-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 14px;
  font-weight: var(--weight-bold);
  color: var(--color-roxo);
  display: block;
  margin-bottom: 2px;
  white-space: nowrap;
}

.nav-dropdown__item-desc {
  font-size: 12px;
  color: var(--color-text-muted);
  line-height: 1.4;
}

.nav-dropdown__footer {
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Modificador para listas simples (ex: menu Investidor) */
.nav-dropdown.nav-dropdown--list {
  width: auto;
  min-width: 260px;
  max-width: 340px;
}

.nav-dropdown.nav-dropdown--list .nav-dropdown__grid {
  grid-template-columns: 1fr;
  gap: 4px;
}

/* ============================================================
   HAMBURGER (Mobile)
   ============================================================ */

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
  margin-left: auto;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease, width 0.3s ease;
  transform-origin: center;
}

.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
  width: 0;
}

.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   MOBILE NAV PANEL
   ============================================================ */

.mobile-nav {
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-roxo-deep);
  z-index: calc(var(--z-navbar) - 1);
  overflow-y: auto;
  padding: var(--space-5) var(--space-5) var(--space-10);
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-nav.open {
  transform: translateX(0);
}

.mobile-nav__links {
  margin-bottom: var(--space-6);
}

.mobile-nav__link {
  display: block;
  padding: var(--space-4) 0;
  font-family: 'Montserrat', sans-serif;
  font-size: 18px;
  font-weight: var(--weight-bold);
  color: var(--color-white);
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.mobile-nav__link:hover {
  color: var(--color-verde);
}

.mobile-nav__sublabel {
  display: block;
  font-size: 11px;
  font-weight: var(--weight-bold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin: var(--space-5) 0 var(--space-2);
}

.mobile-nav__sub-links {
  display: grid;
  gap: 2px;
}

.mobile-nav__sub-link {
  display: block;
  padding: var(--space-3) 0;
  font-family: 'Montserrat', sans-serif;
  font-size: 15px;
  font-weight: var(--weight-semibold);
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.mobile-nav__sub-link:hover {
  color: var(--color-verde);
}

.mobile-nav__cta {
  margin-top: var(--space-6);
  display: flex; align-items: center; justify-content: space-between;
  flex-direction: column;
  gap: var(--space-3);
}

.mobile-nav__cta .btn {
  width: 100%;
  justify-content: center;
  padding: 16px;
  font-size: 15px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1280px) {
  .lang-selector {
    display: none !important;
  }
  .navbar-nav {
    gap: 0.5rem;
  }
  .nav-link {
    padding: 6px 8px;
    font-size: 13px;
  }
}

@media (max-width: 1024px) {
  .navbar-nav {
    display: none !important;
  }

  .hamburger {
    display: flex; align-items: center; justify-content: space-between;
  }

  .navbar-right .btn {
    display: none;
  }

  .navbar-right .lang-selector {
    display: none;
  }
}

@media (max-width: 768px) {
  .navbar-inner {
    padding: 0 var(--space-5);
    height: 64px;
  }

  .mobile-nav {
    top: 64px;
  }
}