/* ==========================================================================
   CLASSIC & SUBTLE LUXURY INTERACTIVE FX
   ========================================================================== */

/* Elegant Specular Glare Container on Cards */
.portfolio-card.polaroid-card {
  position: relative;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

/* Delicate Specular Light Glare */
.polaroid-card .polaroid-glare {
  position: absolute;
  inset: 0;
  border-radius: 3px;
  pointer-events: none;
  background: radial-gradient(circle at var(--glare-x, 50%) var(--glare-y, 50%), rgba(255, 255, 255, 0.16) 0%, rgba(255, 255, 255, 0) 65%);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 10;
  mix-blend-mode: overlay;
}

.polaroid-card:hover .polaroid-glare {
  opacity: 1;
}

/* Soft Screen Flash on Lightbox Open */
.camera-flash-overlay {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  background: #ffffff;
  pointer-events: none;
  z-index: 99999;
  opacity: 0;
  transition: opacity 0.08s ease-out;
}

.camera-flash-overlay.flashing {
  opacity: 0.28;
  transition: opacity 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Classic Golden Halo Click Ripple */
.click-halo-ring {
  position: fixed;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1.5px solid var(--accent-gold);
  box-shadow: 0 0 14px var(--accent-gold-glow);
  pointer-events: none;
  z-index: 99998;
  transform: translate(-50%, -50%);
  will-change: transform, opacity;
}

/* Interactive Click Spark Particle (Golden Embers) */
.click-spark-particle {
  position: fixed;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 99998;
  background: var(--accent-gold);
  box-shadow: 0 0 10px var(--accent-gold-light);
  transform: translate(-50%, -50%);
  will-change: transform, opacity;
}

/* Smooth Magnetic Item */
.magnetic-item {
  transition: transform 0.25s cubic-bezier(0.2, 0.8, 0.4, 1);
  will-change: transform;
}

/* Subtle Scroll Reveal */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1), transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-on-scroll.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Minimalist Sound Control Pill */
.interactive-fx-bar {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 85;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  backdrop-filter: var(--blur-glass);
  box-shadow: var(--shadow-md);
  color: var(--text-secondary);
  font-size: 0.82rem;
  transition: all var(--transition-fast);
}

.interactive-fx-bar:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
  transform: translateY(-2px);
}

.sound-toggle-btn {
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: inherit;
  outline: none;
  transition: color var(--transition-fast);
}

.sound-toggle-btn.muted {
  color: var(--text-muted);
}

/* Lightbox Stage */
.lightbox-image-stage {
  cursor: zoom-in;
  position: relative;
  overflow: hidden;
}

.lightbox-image-stage.zoomed {
  cursor: zoom-out;
}

.lightbox-main-img {
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  transform-origin: center center;
}

.lightbox-image-stage.zoomed .lightbox-main-img {
  transform: scale(1.75);
}

.lightbox-zoom-hint {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(10, 12, 16, 0.7);
  border: 1px solid rgba(226, 183, 116, 0.25);
  color: var(--accent-gold-light);
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
  backdrop-filter: var(--blur-glass);
  pointer-events: none;
  opacity: 0.8;
  transition: opacity 0.3s ease;
}

.lightbox-image-stage.zoomed .lightbox-zoom-hint {
  opacity: 0;
}