:root{
 --accent: #29323c; /*dark blue-gray color to match resume theme*/
}


/* ======================================================
   Scroll to Top Button
========================================================= */
#scrollTopBtn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 1001;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 10px 14px;
  border-radius: 50%;
  font-size: 20px;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.2s ease;
}

#scrollTopBtn:hover {
  transform: translateY(-2px);
  background: #4158d0; /* Slightly lighter accent on hover */
}

#scrollTopBtn.show {
  opacity: 1;
  pointer-events: auto;
}