/* =====================================================
   NAVIGATION HEADER - Shared Component
   Modern sticky navigation with logo and CTA buttons
   ===================================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
  transition: all var(--transition-base);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
  background: rgba(255, 255, 255, 0.98);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem var(--spacing-md);
  max-width: var(--max-width-xl);
  margin: 0 auto;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
  text-decoration: none;
  transition: transform var(--transition-base);
}

.nav-logo:hover {
  transform: scale(1.05);
}

.nav-logo-icon {
  font-size: 2rem;
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-logo-text {
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Navigation Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-weight: 500;
  color: var(--gray-700);
  transition: color var(--transition-base);
  position: relative;
}

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

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

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-hero);
  border-radius: var(--radius-full);
}

/* CTA Buttons */
.nav-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-cta .btn {
  font-size: 0.9375rem;
  padding: 0.625rem 1.25rem;
}

/* Mobile Menu Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 0.375rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gray-700);
  transition: all var(--transition-base);
  border-radius: var(--radius-full);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Spacer to prevent content from hiding under fixed nav */
.nav-spacer {
  height: 80px;
}

/* =====================================================
   RESPONSIVE DESIGN
   ===================================================== */

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: white;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-lg);
    padding: 1rem 0;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
  }
  
  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-links a {
    padding: 1rem var(--spacing-md);
    width: 100%;
    display: block;
    border-bottom: 1px solid var(--gray-100);
  }
  
  .nav-links a:last-child {
    border-bottom: none;
  }
  
  .nav-links a.active::after {
    display: none;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .nav-cta {
    gap: 0.5rem;
  }
  
  .nav-cta .btn {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
  }
  
  .nav-cta .btn-secondary {
    display: none;
  }
}

@media (max-width: 480px) {
  .nav-logo-text {
    font-size: 1.25rem;
  }
  
  .nav-cta .btn {
    padding: 0.5rem 0.875rem;
    font-size: 0.8125rem;
  }
}