[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s var(--ease-default),
              transform 0.5s var(--ease-default);
}
[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal="fade-in"] { transform: none; }
[data-reveal="slide-right"] { transform: translateX(-20px); }
[data-reveal="slide-right"].revealed { transform: translateX(0); }

.card {
  transition: transform var(--duration-base) var(--ease-default),
              box-shadow var(--duration-base) var(--ease-default),
              border-color var(--duration-base);
}
.card:hover { transform: translateY(-3px); }

.btn { transition: all var(--duration-base) var(--ease-default); }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0) scale(0.98); }

.nav-link::after {
  content: '';
  display: block;
  height: 2px;
  width: 0;
  background: var(--color-green-400);
  border-radius: var(--radius-full);
  transition: width var(--duration-base) var(--ease-default);
  margin-top: 2px;
}
.nav-link:hover::after,
.nav-link.active::after { width: 100%; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes countUp {
  from { opacity: 0; transform: scale(0.85); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes pulse-ring {
  0%   { transform: scale(1); opacity: 0.5; }
  100% { transform: scale(1.5); opacity: 0; }
}

@keyframes spinner {
  to { transform: rotate(360deg); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}

.form-shake { animation: shake 0.4s var(--ease-default); }

.form-fade-out {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--duration-slow) var(--ease-default),
              transform var(--duration-slow) var(--ease-default);
}

.form-fade-in {
  animation: fadeInUp var(--duration-slow) var(--ease-default) forwards;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
}