/* Button & CTA styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 8px;
  transition: var(--transition-smooth);
  cursor: pointer;
  border: none;
  text-align: center;
}

.btn-primary {
  background-color: var(--accent-yellow);
  color: #1a202c;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: #e5b600;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-outline:hover {
  background-color: var(--primary-blue);
  color: var(--bg-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.btn-whatsapp {
  background-color: var(--whatsapp-color);
  color: var(--bg-white);
  font-size: 1.1rem;
  padding: 0.9rem 2rem;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.4);
}

.btn-whatsapp:hover {
  background-color: var(--whatsapp-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(18, 140, 126, 0.5);
}

.btn-whatsapp-icon {
  width: 24px;
  height: 24px;
  object-fit: contain;
  display: inline-block;
  flex-shrink: 0;
}

/* Scroll to Top Button */
.scroll-to-top {
  position: fixed;
  bottom: 96px; /* Positioned above the WhatsApp FAB to prevent overlap */
  right: 24px;
  width: 48px;
  height: 48px;
  background-color: var(--primary-blue);
  color: var(--bg-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transform: translateY(15px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
}

.scroll-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-to-top:hover {
  background-color: var(--dark-blue);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.scroll-to-top-icon {
  width: 20px;
  height: 20px;
  color: currentColor;
}