/* ==========================================
   Scroll to Top Button
   ========================================== */
.scroll-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  width: 3.5rem;
  height: 3.5rem;
  background: linear-gradient(to bottom right, var(--brand-600), var(--indigo-600));
  color: white;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px) scale(0.9);
  padding: 0;
}

.scroll-to-top.show {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.scroll-to-top:hover {
  background: linear-gradient(to bottom right, var(--brand-700), var(--indigo-700));
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 8px 15px rgba(255, 114, 32, 0.3);
}

.scroll-to-top svg {
  width: 1.5rem;
  height: 1.5rem;
  stroke-width: 2.5;
}

/* ==========================================
   Scroll to Top: Mobile-specific overrides (max-width: 480px)
   ========================================== */
@media (max-width: 480px) {
  .scroll-to-top {
    bottom: 1rem;
    right: 1rem;
    width: 3.25rem;
    height: 3.25rem;
  }

  .scroll-to-top svg {
    width: 1.5rem;
    height: 1.5rem;
  }
}