/* ─── Scroll fade-in ─── */
.fade-in {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.65s cubic-bezier(0.25, 0.1, 0.25, 1),
              transform 0.65s cubic-bezier(0.25, 0.1, 0.25, 1);
}
.fade-in.visible {
  opacity: 1;
  transform: none;
}
.fade-in.delay-1 { transition-delay: 0.1s; }
.fade-in.delay-2 { transition-delay: 0.2s; }
.fade-in.delay-3 { transition-delay: 0.3s; }
.fade-in.delay-4 { transition-delay: 0.45s; }