/* assets/css/navbar.css */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: background-color var(--transition-normal), backdrop-filter var(--transition-normal), border-color var(--transition-normal), padding var(--transition-normal);
  padding: 24px 0;
  border-bottom: 1px solid transparent;
}

header.scrolled {
  background-color: var(--bg-glass-nav);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-color: var(--border-color);
  padding: 14px 0;
  box-shadow: var(--shadow-sm);
}

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

.logo {
  display: inline-flex;
  align-items: center;
  background-color: #FFFFFF;
  padding: 6px 14px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  height: 38px;
  transition: transform var(--transition-fast);
}

.logo:hover {
  transform: translateY(-1px);
}

.brand-logo-img {
  height: 22px;
  width: auto;
  display: block;
}

.nav-links {
  display: none;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-secondary);
  position: relative;
  padding: 8px 0;
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-whatsapp);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-normal);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-links a.active {
  color: var(--text-primary);
}

/* Mega menu details */
.has-mega-menu {
  position: relative;
}

.mega-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  width: 560px;
  border-radius: var(--radius-lg);
  padding: 24px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  opacity: 0;
  visibility: hidden;
  box-shadow: var(--shadow-lg);
  transition: opacity var(--transition-normal), transform var(--transition-normal), visibility var(--transition-normal);
  z-index: 1010;
}

.has-mega-menu:hover .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(10px);
}

.mega-menu-item {
  display: flex;
  gap: 14px;
  padding: 12px;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.mega-menu-item:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

.mega-icon-wrapper {
  color: var(--color-whatsapp);
  flex-shrink: 0;
}

.mega-content h5 {
  font-size: 0.9rem;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.mega-content p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.nav-actions {
  display: none;
  align-items: center;
  gap: 16px;
}

/* Theme Toggle Button */
.theme-toggle-btn {
  background: none;
  border: 1px solid var(--border-color);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
}

.theme-toggle-btn:hover {
  color: var(--text-primary);
  border-color: var(--text-secondary);
  background-color: rgba(255, 255, 255, 0.05);
}

.theme-toggle-btn .sun-icon {
  display: none;
}

html[data-theme="light"] .theme-toggle-btn .moon-icon {
  display: none;
}

html[data-theme="light"] .theme-toggle-btn .sun-icon {
  display: block;
}

/* Mobile burger menu trigger */
.burger-menu {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1100;
}

.burger-menu span {
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.burger-menu.open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.burger-menu.open span:nth-child(2) {
  opacity: 0;
}

.burger-menu.open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 380px;
  height: 100vh;
  background-color: var(--bg-secondary);
  z-index: 1050;
  box-shadow: var(--shadow-lg);
  padding: 100px 30px 40px 30px;
  display: flex;
  flex-direction: column;
  gap: 30px;
  transition: right var(--transition-normal);
}

.mobile-drawer.open {
  right: 0;
}

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.mobile-nav-links a {
  font-family: var(--font-body);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--text-secondary);
  display: block;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-color);
}

.mobile-nav-links a.active {
  color: var(--text-primary);
  border-bottom-color: var(--color-whatsapp);
}

.mobile-actions {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Overlay for Mobile drawer */
.drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 1040;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.drawer-overlay.open {
  opacity: 1;
  visibility: visible;
}

@media (min-width: 1024px) {
  .nav-links, .nav-actions {
    display: flex;
  }
  
  .burger-menu {
    display: none;
  }
}