/* =====================
   Scroll Animations
   ===================== */

[data-scroll] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

[data-scroll="left"] {
  transform: translateX(-28px);
}

[data-scroll="right"] {
  transform: translateX(28px);
}

[data-scroll].in-view {
  opacity: 1;
  transform: translate(0);
}

/* =====================
   Nav indicator pill
   ===================== */

.navbar-nav {
  position: relative;
}

.nav-indicator {
  position: absolute;
  bottom: -4px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: left 0.3s cubic-bezier(.4,0,.2,1), width 0.3s cubic-bezier(.4,0,.2,1);
  pointer-events: none;
  box-shadow: 0 0 8px rgba(57,211,83,0.5);
}

/* =====================
   Back to Top Button
   ===================== */

#back-to-top {
  position: fixed;
  bottom: 32px;
  right: 90px;   /* sits left of the Botpress chat bubble */
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1.5px solid var(--border-dim);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  cursor: pointer;
  z-index: 500;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease,
              border-color 0.2s, color 0.2s, background 0.2s;
}

#back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

#back-to-top:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}