/* Navbar - Glassmorphism Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo img {
  height: 50px;
  width: auto;
}

.nav-menu {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  font-weight: 500;
  color: var(--color-text-heading);
  position: relative;
  font-size: 1.05rem;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-normal);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.language-switcher {
  display: flex;
  gap: 0.5rem;
}

.lang-btn {
  background: none;
  border: 1px solid var(--color-text-light);
  border-radius: var(--radius-sm);
  padding: 0.25rem 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-light);
  transition: all var(--transition-fast);
}

.lang-btn.active, .lang-btn:hover {
  background-color: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-text-heading);
}

/* Footer */
.footer {
  background-color: var(--color-bg-dark);
  color: var(--color-text-inverse);
  padding: 4rem 0 2rem;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col h3 {
  color: white;
  margin-bottom: 1.5rem;
}

.footer-col p, .footer-col a {
  color: #94a3b8;
  margin-bottom: 0.75rem;
  display: block;
}

.footer-col a:hover {
  color: white;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background-color: #25D366; /* WhatsApp Green */
  color: white;
  font-size: 1.8rem;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), filter var(--transition-fast);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}

.social-icon:hover {
  filter: brightness(1.1);
  color: white;
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.footer-logo-img {
  max-width: 180px;
  background: white;
  padding: 10px;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  color: #64748b;
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background-color: var(--color-bg-surface);
    flex-direction: column;
    padding: 2rem;
    transition: left var(--transition-normal);
  }

  .nav-menu.show {
    left: 0;
  }

  .mobile-menu-btn {
    display: block;
  }
}