/* ============================================================
   LCFLCKS PHOTOGRAPHY — EFFECTS
   Film grain, transitions, hover states
   ============================================================ */

/* ----------------------------------------------------------
   FILM GRAIN OVERLAY
   CSS-only via SVG feTurbulence data URI
---------------------------------------------------------- */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  opacity: var(--grain-opacity);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='grain'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23grain)' opacity='1'/%3E%3C/svg%3E");
  background-repeat: repeat;
  mix-blend-mode: multiply;
}

/* ----------------------------------------------------------
   TRANSITIONS
---------------------------------------------------------- */
.transition {
  transition: all var(--duration-base) var(--ease-smooth);
}

.transition-fast {
  transition: all var(--duration-fast) var(--ease-smooth);
}

.transition-slow {
  transition: all var(--duration-slow) var(--ease-smooth);
}

/* ----------------------------------------------------------
   IMAGE HOVER ZOOM (applied to card wrappers)
---------------------------------------------------------- */
.img-zoom {
  overflow: hidden;
}

.img-zoom img {
  transition: transform var(--duration-slow) var(--ease-smooth);
  will-change: transform;
}

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

/* ----------------------------------------------------------
   FADE IN ANIMATION
---------------------------------------------------------- */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn var(--duration-slow) var(--ease-out) both;
}

.fade-in-delay-1 { animation-delay: 100ms; }
.fade-in-delay-2 { animation-delay: 200ms; }
.fade-in-delay-3 { animation-delay: 300ms; }

/* ----------------------------------------------------------
   SCROLL REVEAL (JS toggles .is-visible)
---------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ----------------------------------------------------------
   CARD LIFT ON HOVER
---------------------------------------------------------- */
.card-lift {
  transition: transform var(--duration-base) var(--ease-smooth),
              box-shadow var(--duration-base) var(--ease-smooth);
}

.card-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}