/* ==========================================================================
   Animations & Scroll Reveal
   ========================================================================== */

/* --- Keyframes --- */
@keyframes blob-rotate {
  from { transform: translateY(-50%) rotate(0deg); }
  to { transform: translateY(-50%) rotate(360deg); }
}

@keyframes scroll-line {
  0% { top: -100%; }
  50% { top: 0; }
  100% { top: 100%; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Scroll Reveal Base --- */
[data-reveal] {
  opacity: 0;
  will-change: transform, opacity;
}

[data-reveal].is-revealed {
  opacity: 1;
}

/* Fade Up */
[data-reveal="fade-up"] {
  transform: translateY(40px);
  transition: opacity var(--duration-slow) var(--ease-out-expo),
              transform var(--duration-slow) var(--ease-out-expo);
}

[data-reveal="fade-up"].is-revealed {
  transform: translateY(0);
}

/* Fade Left */
[data-reveal="fade-left"] {
  transform: translateX(40px);
  transition: opacity var(--duration-slow) var(--ease-out-expo),
              transform var(--duration-slow) var(--ease-out-expo);
}

[data-reveal="fade-left"].is-revealed {
  transform: translateX(0);
}

/* Fade Right */
[data-reveal="fade-right"] {
  transform: translateX(-40px);
  transition: opacity var(--duration-slow) var(--ease-out-expo),
              transform var(--duration-slow) var(--ease-out-expo);
}

[data-reveal="fade-right"].is-revealed {
  transform: translateX(0);
}

/* Scale */
[data-reveal="scale"] {
  transform: scale(0.95);
  transition: opacity var(--duration-slow) var(--ease-out-expo),
              transform var(--duration-slow) var(--ease-out-expo);
}

[data-reveal="scale"].is-revealed {
  transform: scale(1);
}

/* Fade only */
[data-reveal="fade"] {
  transition: opacity var(--duration-slow) var(--ease-out-expo);
}

[data-reveal="fade"].is-revealed {
  opacity: 1;
}

/* --- Stagger Children --- */
[data-reveal-stagger] > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--duration-base) var(--ease-out-expo),
              transform var(--duration-base) var(--ease-out-expo);
}

[data-reveal-stagger].is-revealed > * {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal-stagger].is-revealed > *:nth-child(1) { transition-delay: 0s; }
[data-reveal-stagger].is-revealed > *:nth-child(2) { transition-delay: 0.06s; }
[data-reveal-stagger].is-revealed > *:nth-child(3) { transition-delay: 0.12s; }
[data-reveal-stagger].is-revealed > *:nth-child(4) { transition-delay: 0.18s; }
[data-reveal-stagger].is-revealed > *:nth-child(5) { transition-delay: 0.24s; }
[data-reveal-stagger].is-revealed > *:nth-child(6) { transition-delay: 0.3s; }
[data-reveal-stagger].is-revealed > *:nth-child(7) { transition-delay: 0.36s; }
[data-reveal-stagger].is-revealed > *:nth-child(8) { transition-delay: 0.42s; }

/* --- Delay Utilities --- */
[data-delay="1"] { transition-delay: 0.1s !important; }
[data-delay="2"] { transition-delay: 0.2s !important; }
[data-delay="3"] { transition-delay: 0.3s !important; }
[data-delay="4"] { transition-delay: 0.4s !important; }
[data-delay="5"] { transition-delay: 0.5s !important; }

/* --- Hero Load Animations --- */
.hero__pre {
  opacity: 0;
  animation: fade-in-up 0.8s var(--ease-out-expo) 0.3s forwards;
}

.hero__statement {
  opacity: 0;
  animation: fade-in-up 0.8s var(--ease-out-expo) 1.2s forwards;
}

.hero__scroll {
  opacity: 0;
  animation: fade-in-up 0.8s var(--ease-out-expo) 1.8s forwards;
}

/* --- Page Transition --- */
.page-transition {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background-color: var(--color-ivory);
  transform: translateY(100%);
  transition: transform var(--duration-base) var(--ease-out-expo);
  pointer-events: none;
}

.page-transition.is-entering {
  transform: translateY(0);
}

.page-transition.is-leaving {
  transform: translateY(0);
  animation: slide-out-up var(--duration-base) var(--ease-out-expo) forwards;
}

@keyframes slide-out-up {
  to { transform: translateY(-100%); }
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  [data-reveal],
  [data-reveal-stagger] > * {
    opacity: 1;
    transform: none;
  }

  .hero__pre,
  .hero__statement,
  .hero__scroll {
    opacity: 1;
  }

  .hero__name .word-inner {
    transform: none;
  }
}