/* ==========================================================================
   Senato Tech — Animations
   Intersection Observer reveals, hover, ripple, reduced motion
   ========================================================================== */

.reveal-up,
.reveal-left,
.reveal-right {
  opacity: 0;
  transition:
    opacity 0.7s var(--ease),
    transform 0.7s var(--ease);
  transition-delay: var(--reveal-delay, 0s);
  will-change: opacity, transform;
}

.reveal-up {
  transform: translateY(28px);
}

.reveal-left {
  transform: translateX(-24px);
}

.reveal-right {
  transform: translateX(24px);
}

.reveal-up.is-visible,
.reveal-left.is-visible,
.reveal-right.is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 768px) {
  .reveal-left,
  .reveal-right {
    transform: translateY(20px);
  }
}

/* Image zoom */
.image-zoom img {
  transition: transform 0.8s var(--ease);
}

.image-zoom:hover img {
  transform: scale(1.04);
}

/* Icon pulse */
.icon-pulse {
  animation: icon-pulse 3s var(--ease) infinite;
}

@keyframes icon-pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.06);
  }
}

/* Button ripple */
.btn-ripple {
  position: relative;
  overflow: hidden;
}

.btn-ripple::after {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.45);
  transform: scale(0);
  opacity: 0;
  pointer-events: none;
  left: var(--ripple-x, 50%);
  top: var(--ripple-y, 50%);
  margin-left: -4px;
  margin-top: -4px;
}

.btn-ripple.is-rippling::after {
  animation: ripple 0.6s var(--ease);
}

@keyframes ripple {
  0% {
    transform: scale(0);
    opacity: 0.55;
  }
  100% {
    transform: scale(28);
    opacity: 0;
  }
}

.btn-secondary.btn-ripple::after,
.btn-on-primary.btn-ripple::after {
  background: rgba(241, 70, 33, 0.25);
}

/* Nav brand subtle hover */
.nav__brand {
  transition: opacity var(--duration) var(--ease);
}

.nav__brand:hover {
  opacity: 0.85;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal-up,
  .reveal-left,
  .reveal-right {
    opacity: 1;
    transform: none;
  }

  .image-zoom:hover img {
    transform: none;
  }

  .icon-pulse {
    animation: none;
  }

  .card--lift:hover {
    transform: none;
  }
}