/* ==========================================
   ANIMATIONS — Persona-style slide reveals
   ========================================== */

/* === Base state: elements start hidden and offset === */
.slide-in-left {
  opacity: 0;
  transform: translateX(-60px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.slide-in-right {
  opacity: 0;
  transform: translateX(60px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.slide-in-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* === Revealed state === */
.slide-in-left.revealed,
.slide-in-right.revealed,
.slide-in-up.revealed {
  opacity: 1;
  transform: translate(0, 0);
}

/* === Staggered delays for grouped elements === */
[data-delay="0"] { transition-delay: 0s; }
[data-delay="1"] { transition-delay: 0.1s; }
[data-delay="2"] { transition-delay: 0.2s; }
[data-delay="3"] { transition-delay: 0.3s; }
[data-delay="4"] { transition-delay: 0.4s; }
[data-delay="5"] { transition-delay: 0.5s; }

/* === Hero-specific: these animate on load, not scroll === */
.hero .slide-in-left,
.hero .slide-in-right,
.hero .slide-in-up {
  transition-duration: 0.8s;
}

.hero .slide-in-left { transition-delay: 0.2s; }
.hero .slide-in-right { transition-delay: 0.5s; }
.hero .slide-in-up { transition-delay: 0.8s; }

/* === Progress bar fill animation === */
.wip-pane:not(.revealed) .progress-fill {
  width: 0 !important;
}

.wip-pane.revealed .progress-fill {
  transition: width 1.2s cubic-bezier(0.16, 1, 0.3, 1) 0.3s;
}

/* === Card hover micro-animations (Persona snap) === */
.portfolio-card .card-inner {
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1),
              border-color 0.3s,
              box-shadow 0.3s;
}

/* === Nav link slide on hover === */
.nav-links a {
  transition: color 0.3s, transform 0.2s;
}

.nav-links a:hover {
  transform: translateX(3px);
}

/* === WIP pane hover === */
.wip-pane {
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.4s;
}

/* === Event item slide === */
.event-item {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              background 0.3s;
}

/* === Button slide effect === */
.btn {
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              background 0.3s,
              border-color 0.3s;
}

/* === Reduce motion for accessibility === */
@media (prefers-reduced-motion: reduce) {
  .slide-in-left,
  .slide-in-right,
  .slide-in-up {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero-stars {
    animation: none;
  }

  .hero-scroll-indicator {
    animation: none;
  }

  .wip-pane .progress-fill {
    transition: none;
  }
}