/* TVB Jump-to-Top Button */
.jump-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: #fff;
  color: var(--tvb-red);
  width: 48px;
  height: 48px;
  display: none;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 20px;
  z-index: 99999;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  text-decoration: none;
  transition: all 0.3s ease;
  border: 2px solid var(--tvb-red);
}

.jump-to-top i.fa-solid {
  font-size: 1.25rem;
  line-height: 1;
}

.jump-to-top:hover {
  background-color: var(--tvb-red);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(190, 18, 42, 0.4);
}

.jump-to-top:focus {
  outline: 2px solid var(--tvb-red);
  outline-offset: 2px;
}

/* Header smooth behavior */
header.wp-block-template-part {
  transition: transform 0.6s ease;
  position: relative;
  z-index: 1000;
}