/* Navbar */
.site-header {
  background-color: var(--color-navy);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: transform 0.3s ease-in-out;
}

.site-header .container {
  max-width: 1440px; /* Wider container for edge-to-edge feel */
  width: 95%; /* Responsive width */
}

.site-header.nav-hidden {
  transform: translateY(-100%);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 72px;
  padding: 8px 0;
  width: 100%;
}

.nav-left, .nav-right {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
}

.nav-center {
  flex: 1;
  display: flex;
  justify-content: center;
}

.brand {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: -0.05em;
}

.nav-links {
  display: flex;
  gap: 3rem; /* Decent spacing for menu items */
  list-style: none;
  align-items: center;
}

.nav-links > li {
  position: relative;
}

.nav-link {
  color: var(--color-white);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 0;
  display: inline-block;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--color-blue);
}

/* Mega Menu */
.mega-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-md);
  width: 800px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-sm);
  border: 1px solid var(--color-light-gray);
}

.has-mega-menu:hover .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.mega-menu-col h4 {
  font-size: 0.9rem;
  color: var(--color-navy);
  margin-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-light-gray);
  padding-bottom: 0.25rem;
}

.mega-menu-col ul {
  list-style: none;
}

.mega-menu-col a {
  display: block;
  font-size: 0.85rem;
  color: var(--color-dark-gray);
  padding: 0.35rem 0;
  transition: all 0.2s;
}

.mega-menu-col a:hover {
  color: var(--color-blue);
  transform: translateX(3px);
}

/* Cards */
.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-light-gray);
  transition: all var(--transition-normal);
  height: 100%;
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
  border-color: var(--color-blue);
}

/* Floating WhatsApp */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: #25D366;
  color: white;
  border-radius: 50px;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  transition: transform var(--transition-fast);
}

.whatsapp-float:hover {
  transform: scale(1.1);
}

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-white);
}

@media (max-width: 768px) {
  .mobile-toggle {
    display: block;
  }
  .nav-center {
    display: none;
  }
  
  .nav-right .btn-primary {
    display: none;
  }

  .nav-center.active {
    display: block;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-navy);
    z-index: 999;
    padding: 2rem;
  }

  .nav-links {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
  }

  .nav-link {
    font-size: 1.25rem;
    width: 100%;
    text-align: center;
  }

  .mega-menu {
    position: static;
    transform: none;
    width: 100%;
    box-shadow: none;
    border: none;
    display: none;
    opacity: 1;
    visibility: visible;
    background: transparent;
    padding: var(--spacing-sm) 0;
  }
  .has-mega-menu.active .mega-menu {
    display: grid;
    grid-template-columns: 1fr;
  }
}