.section-scroll-nav {
  position: fixed;
  z-index: 45;
  right: max(40px, calc((100vw - 1300px) / 2));
  bottom: 30px;
  display: flex;
  justify-content: flex-end;
  pointer-events: none;
}

.section-scroll-control {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--ink-dim, #8a8a8a);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: .25em;
  text-transform: uppercase;
  cursor: pointer;
  pointer-events: auto;
  transition: color .25s ease;
}

.section-scroll-control:hover,
.section-scroll-control:focus-visible {
  color: #fff;
}

.section-scroll-icon {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-2, rgba(255,255,255,.18));
  border-radius: 50%;
  color: inherit;
  font-family: Arial, sans-serif;
  font-size: 16px;
  letter-spacing: 0;
  transition: background .25s ease, border-color .25s ease, transform .25s ease;
}

.section-scroll-control:hover .section-scroll-icon,
.section-scroll-control:focus-visible .section-scroll-icon {
  transform: translateY(3px);
  border-color: #fff;
  background: #fff;
  color: #000;
}

.section-scroll-control[data-direction="up"]:hover .section-scroll-icon,
.section-scroll-control[data-direction="up"]:focus-visible .section-scroll-icon {
  transform: translateY(-3px);
}

@media (max-width: 960px) {
  .section-scroll-nav { right: 22px; bottom: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  .section-scroll-control,
  .section-scroll-icon { transition: none; }
}