/* =========================================================================
   ilketeks v2 — Animations + Motion
   ========================================================================= */

/* fade up reveal */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.95); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes shimmer {
  0%, 100% { background-position: -200% 0; }
  50% { background-position: 200% 0; }
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* utility animation classes */
.anim-fade-up { animation: fadeUp var(--dur-slow) var(--ease-out) both; }
.anim-fade-in { animation: fadeIn var(--dur-slow) var(--ease-out) both; }
.anim-scale-in { animation: scaleIn var(--dur-base) var(--ease-out) both; }
.anim-delay-100 { animation-delay: 100ms; }
.anim-delay-200 { animation-delay: 200ms; }
.anim-delay-300 { animation-delay: 300ms; }
.anim-delay-500 { animation-delay: 500ms; }

/* GSAP/JS-handled reveal targets — initial state */
.reveal-init {
  opacity: 0;
  transform: translateY(40px);
  will-change: opacity, transform;
}
.reveal-show {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity var(--dur-slow) var(--ease-out),
    transform var(--dur-slow) var(--ease-out);
}

/* preloader */
.preloader {
  position: fixed; inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--c-bg);
  z-index: var(--z-modal);
  transition: opacity var(--dur-slow) var(--ease-out);
}
.preloader.is-done {
  opacity: 0;
  pointer-events: none;
}
.preloader-mark {
  font-family: var(--f-serif);
  font-size: var(--t-30);
  font-weight: var(--w-medium);
  letter-spacing: var(--ls-tight);
  color: var(--c-fg);
  animation: pulse var(--dur-slower) var(--ease-in-out) infinite;
}

/* shimmer skeleton */
.skeleton {
  background: linear-gradient(90deg,
    var(--c-surface-2) 0%,
    var(--c-line) 50%,
    var(--c-surface-2) 100%);
  background-size: 200% 100%;
  animation: shimmer 2s ease-in-out infinite;
  border-radius: var(--r-2);
}

/* Lenis smooth scroll */
html.lenis,
html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-smooth [data-lenis-prevent] { overscroll-behavior: contain; }
.lenis.lenis-stopped { overflow: hidden; }

/* counter animation hook */
.counter[data-target] { font-variant-numeric: tabular-nums; }

/* image hover zoom */
.zoom-on-hover {
  overflow: hidden;
}
.zoom-on-hover img {
  transition: transform var(--dur-slower) var(--ease-out);
}
.zoom-on-hover:hover img { transform: scale(1.05); }

/* respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  .anim-fade-up, .anim-fade-in, .anim-scale-in,
  .reveal-init, .reveal-show,
  .skeleton { animation: none !important; transition: none !important; opacity: 1 !important; transform: none !important; }
  .preloader { display: none !important; }
}