/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  padding: 1rem 0;
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
  padding: 0.5rem 0;
  box-shadow: var(--glass-shadow);
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo span {
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-link {
  font-weight: 500;
  position: relative;
  padding: 0.5rem 0;
  transition: color var(--transition-fast);
}

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

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

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

.mobile-menu-btn {
  display: none;
  font-size: 1.5rem;
  background: none;
  border: none;
  color: var(--color-text-light);
  cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.8rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  outline: none;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.4);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.3);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: #fff;
}

/* Cards */
.card {
  border-radius: 24px;
  padding: 2.5rem;
  transition: transform var(--transition-normal);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.card:hover {
  transform: translateY(-10px);
}

.card-icon {
  font-size: 2.5rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
  backdrop-filter: blur(5px);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-content {
  background: var(--color-bg-dark);
  padding: 2.5rem;
  border-radius: 24px;
  max-width: 500px;
  width: 90%;
  transform: scale(0.9);
  transition: transform var(--transition-normal);
  border: 1px solid var(--glass-border);
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-close {
  float: right;
  background: none;
  border: none;
  color: var(--color-text-light);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Mobile Nav Bottom */
.mobile-nav-bottom {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--glass-border);
  z-index: 1000;
  padding: 0.5rem 0;
}

.mobile-nav-bottom .container {
  display: flex;
  justify-content: space-around;
}

.mobile-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  gap: 0.25rem;
}

.mobile-nav-item i {
  font-size: 1.25rem;
}

.mobile-nav-item.active {
  color: var(--color-primary);
}

/* Floating Actions */
.floating-actions {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  z-index: 999;
}

.floating-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  color: white;
  font-size: 1.5rem;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
  transition: transform var(--transition-fast);
}

.floating-btn:hover {
  transform: scale(1.1);
}

.btn-whatsapp { background-color: #25D366; }
.btn-facebook { background-color: #1877F2; }
.btn-top { background-color: var(--color-primary); display: none; }

/* Footer */
.footer {
  background: var(--color-bg-dark);
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--glass-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  color: var(--color-primary);
  margin-bottom: 1.5rem;
}

.footer-col ul li {
  margin-bottom: 0.75rem;
}

.footer-col ul li a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--glass-border);
  color: var(--color-text-muted);
}

/* Responsive Media Queries */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--color-bg-dark);
    padding: 2rem;
    text-align: center;
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .mobile-nav-bottom {
    display: block;
  }
  
  body {
    padding-bottom: 60px; /* Space for bottom nav */
  }
  
  .floating-actions {
    bottom: 5rem;
  }
}