/* ==========================================
   MENU E CABEÇALHO (HEADER)
========================================== */
.header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(215, 224, 236, .7);
  transition: background-color .3s ease, border-color .3s ease;
}

.header.scrolled {
  background-color: rgba(255, 255, 255, 0.9);
  border-color: rgba(215, 224, 236, 0.6);
  box-shadow: var(--shadow-sm);
}

/* Garante fundo sólido quando o menu mobile está aberto, prevenindo transparência indesejada */
.header.menu-aberto {
  background-color: var(--surface) !important;
  backdrop-filter: none !important;
  border-bottom: 1px solid var(--border) !important;
}

.header-content {
  height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

.logo {
  font-size: 34px;
  font-weight: 800;
  text-decoration: none;
  color: var(--deep-blue);
  letter-spacing: -1px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.logo-text {
  display: flex;
  align-items: center;
}

.logo-dot {
  color: var(--blue);
}

/* Estilo da marca Vinc */
.vinc-brand {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  color: var(--deep-blue);
  display: inline-block;
  letter-spacing: -1px;
}

.menu {
  font-family: 'Plus Jakarta Sans', sans-serif;
  display: flex;
  gap: 40px;
  position: static;
  flex-direction: row;
  background: none;
  backdrop-filter: none;
  padding: 0;
  border-bottom: none;
  align-items: center;
}

.menu a {
  text-decoration: none;
  color: var(--deep-blue);
  position: relative;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 600;
  font-size: 15px;
  padding: 8px 0;
  transition: color 0.3s ease;
}

/* ============================================
   SUBMENUS (DROPDOWN)
   ============================================ */
.menu-item-dropdown {
  position: relative;
  display: flex;
  flex-direction: row;
  align-items: center;
}

.dropdown-toggle .arrow {
  /* Indicador visual (seta) */
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid currentColor;
  margin-left: 8px;
  transition: transform 0.3s ease;
}

.submenu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 8px 0;
  margin-top: 12px;
  box-shadow: var(--shadow-md);
  min-width: 200px;
  z-index: 1001;
  transform: translateY(10px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
}

.submenu a {
  display: block;
  white-space: nowrap;
  padding: 10px 15px;
  border-bottom: none;
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
  border-radius: var(--radius-sm);
}

.submenu a:hover {
  background-color: var(--ice-blue);
  color: var(--deep-blue);
}

.menu-item-dropdown:hover .submenu {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}

.menu a.ativo {
  color: var(--blue);
  font-weight: 700;
}

.submenu a::before {
  display: none;
}

.menu-item-dropdown:hover .dropdown-toggle .arrow,
.menu-item-dropdown.submenu-aberto .dropdown-toggle .arrow {
  transform: rotate(180deg);
}

.menu a::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--deep-blue));
  transition: width 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.menu a.ativo::before {
  width: 100%;
}

.menu a:hover::before {
  width: 100%;
}

/* Menu Toggle (Hamburger) */
.menu-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  gap: 5px;
  z-index: 1001;
}

.hamburger {
  position: relative;
  width: 24px;
  height: 2.5px;
  background: var(--deep-blue);
  border-radius: 2px;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2.5px;
  background: var(--deep-blue);
  border-radius: 2px;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.hamburger::before {
  top: -8px;
}

.hamburger::after {
  top: 8px;
}

.menu-toggle.ativo .hamburger {
  background: transparent;
}

.menu-toggle.ativo .hamburger::before {
  top: 0;
  transform: rotate(45deg);
}

.menu-toggle.ativo .hamburger::after {
  top: 0;
  transform: rotate(-45deg);
}