/* ============================================================
   KAUZ — Animations
   Scroll-triggered reveals & micro-interactions
   ============================================================ */

/* --- Gold Shimmer (metallic text shine) --- */
@keyframes goldShimmer {
  0%   { background-position: 200% 0; }
  50%  { background-position: 0% 0; }
  100% { background-position: 200% 0; }
}

/* --- Loader --- */
@keyframes loaderFadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* --- Scroll Indicator --- */
@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50%      { opacity: 1;   transform: scaleY(1.3); transform-origin: top; }
}

/* --- Pulse (status dot) --- */
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 8px #3ce795; }
  50%      { box-shadow: 0 0 18px #3ce795, 0 0 4px #12e680; }
}

/* --- Scroll-Triggered Reveal Classes --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  filter: blur(6px);
  transition:
    opacity var(--duration-slower) var(--ease-out),
    transform var(--duration-slower) var(--ease-out),
    filter var(--duration-slower) var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

/* Staggered delays for children */
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.35s; }
.reveal-delay-4 { transition-delay: 0.5s; }
.reveal-delay-5 { transition-delay: 0.65s; }

/* --- Hero Title Animation --- */
.hero__title-line {
  opacity: 0;
  transition: opacity 1s var(--ease-out), transform 1s var(--ease-out);
}

.hero__title-top {
  transform: translateY(-50px);
}

.hero__title-bottom {
  transform: translateY(50px);
}

.hero__title-line.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.hero__subtitle {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.8s var(--ease-out) 0.4s, transform 0.8s var(--ease-out) 0.4s;
}

.hero__subtitle.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.hero__bottom {
  opacity: 0;
  transition: opacity 1s var(--ease-out) 0.8s;
}

.hero__bottom.animate-in {
  opacity: 1;
}

/* --- About Big Text Word Reveal --- */
.about__big-text span {
  display: inline-block;
  opacity: 0;
  transform: translateY(30px);
  filter: blur(8px);
  transition:
    opacity 0.7s var(--ease-out),
    transform 0.7s var(--ease-out),
    filter 0.7s var(--ease-out);
}

.about__big-text.visible span {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

/* Word-by-word stagger */
.about__big-text span:nth-child(1)  { transition-delay: 0s; }
.about__big-text span:nth-child(2)  { transition-delay: 0.06s; }
.about__big-text span:nth-child(3)  { transition-delay: 0.12s; }
.about__big-text span:nth-child(4)  { transition-delay: 0.18s; }
.about__big-text span:nth-child(5)  { transition-delay: 0.24s; }
.about__big-text span:nth-child(6)  { transition-delay: 0.30s; }
.about__big-text span:nth-child(7)  { transition-delay: 0.36s; }
.about__big-text span:nth-child(8)  { transition-delay: 0.42s; }
.about__big-text span:nth-child(9)  { transition-delay: 0.48s; }
.about__big-text span:nth-child(10) { transition-delay: 0.54s; }
.about__big-text span:nth-child(11) { transition-delay: 0.60s; }
.about__big-text span:nth-child(12) { transition-delay: 0.66s; }

/* --- About Card Scale --- */
.about__card {
  transform: scale(0.92);
  opacity: 0;
  transition:
    transform 1s var(--ease-out),
    opacity 0.8s var(--ease-out);
}

.about__card.visible {
  transform: scale(1);
  opacity: 1;
}

/* --- Work Items Slide In --- */
.work__item {
  opacity: 0;
  transform: translateX(-30px);
  transition:
    opacity 0.6s var(--ease-out),
    transform 0.6s var(--ease-out),
    padding var(--duration-normal) var(--ease-out);
}

.work__item.visible {
  opacity: 1;
  transform: translateX(0);
}

.work__item:nth-child(1) { transition-delay: 0s; }
.work__item:nth-child(2) { transition-delay: 0.08s; }
.work__item:nth-child(3) { transition-delay: 0.16s; }
.work__item:nth-child(4) { transition-delay: 0.24s; }
.work__item:nth-child(5) { transition-delay: 0.32s; }
.work__item:nth-child(6) { transition-delay: 0.40s; }

/* --- Section H2 stroke animation --- */
.section__h2 {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.8s var(--ease-out),
    transform 0.8s var(--ease-out);
}

.section__h2.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Contact window --- */
.contact__window {
  opacity: 0;
  transform: translateY(40px) scale(0.96);
  transition:
    opacity 0.8s var(--ease-out),
    transform 0.8s var(--ease-out);
}

.contact__window.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* --- Smooth hover glow for work items --- */
.work__item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--kauz-accent);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform var(--duration-normal) var(--ease-out);
}

.work__item:hover::before {
  transform: scaleY(1);
  transform-origin: top;
}

.work__item {
  position: relative;
}