/* ── animations.css ── */

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes roll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@keyframes subtlePulse {
  0%, 100% { opacity: 0.6; }
  50%       { opacity: 1; }
}

/* ── Scroll reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.75s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.75s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered children */
.reveal.visible .ach-card:nth-child(1),
.reveal.visible .proj-card:nth-child(1),
.reveal.visible .skill-group:nth-child(1) { transition-delay: 0.05s; }

.reveal.visible .ach-card:nth-child(2),
.reveal.visible .proj-card:nth-child(2),
.reveal.visible .skill-group:nth-child(2) { transition-delay: 0.12s; }

.reveal.visible .ach-card:nth-child(3),
.reveal.visible .proj-card:nth-child(3),
.reveal.visible .skill-group:nth-child(3) { transition-delay: 0.19s; }

.reveal.visible .ach-card:nth-child(4),
.reveal.visible .skill-group:nth-child(4) { transition-delay: 0.26s; }

.reveal.visible .ach-card:nth-child(5) { transition-delay: 0.33s; }
.reveal.visible .ach-card:nth-child(6) { transition-delay: 0.40s; }

/* Reveal from left for sidebar items */
.reveal-left {
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-left.visible { opacity: 1; transform: translateX(0); }