/* Specialized UI Components & Micro-interactions */

/* Glass Navigation Header */
.header-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 250, 250, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  padding: 1rem 0;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo {
  width: 36px;
  height: 36px;
  background: var(--navy-dark);
  color: var(--white);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition-fast);
  position: relative;
  padding: 0.25rem 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-charcoal);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--royal-blue);
  border-radius: 2px;
}

/* Card Micro-Interactions */
.interactive-card {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 2rem;
  transition: var(--transition-smooth);
}

.interactive-card:hover {
  transform: translateY(-4px);
  border-color: rgba(37, 99, 235, 0.3);
  box-shadow: var(--card-shadow);
}

.icon-box {
  width: 48px;
  height: 48px;
  background: rgba(15, 44, 89, 0.05);
  color: var(--navy-dark);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  transition: var(--transition-fast);
}

.interactive-card:hover .icon-box {
  background: var(--navy-dark);
  color: var(--white);
}

/* Dark Conversion Banner (As shown in Reference Screenshot) */
.cta-banner {
  background: var(--navy-dark);
  color: var(--white);
  border-radius: 16px;
  padding: 3.5rem 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 4rem 0;
}

.cta-banner h2 {
  color: var(--white);
  font-size: 2.25rem;
  margin-bottom: 0.75rem;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.8);
  max-width: 600px;
}

/* Direct Floating WhatsApp Button */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 52px;
  height: 52px;
  background-color: #25D366;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
  z-index: 1000;
  transition: var(--transition-fast);
}

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

@media (max-width: 768px) {
  .cta-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: 2rem;
    padding: 2rem;
  }
  
  .nav-menu {
    display: none;
  }
}