/* ============================================================
   LUXMODEL — animations.css
   ============================================================ */

/* ============================================================
   KEYFRAMES
   ============================================================ */
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes spinReverse { to { transform: rotate(-360deg); } }
@keyframes ping { 75%, 100% { transform: scale(2); opacity: 0; } }
@keyframes shimmer { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }
@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* Tilt card — done via JS, but transitions here */
.tilt-card {
  transform-style: preserve-3d;
  transition: transform 0.1s ease;
}
.tilt-card-shine {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at var(--x, 50%) var(--y, 50%), rgba(255,255,255,0.15) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  z-index: 10;
}
.tilt-card:hover .tilt-card-shine { opacity: 1; }

/* ============================================================
   ANIMATED GRADIENT BACKGROUND
   ============================================================ */
.animated-gradient-bg {
  background: linear-gradient(270deg, #ff2d78, #a855f7, #3b82f6, #06b6d4);
  background-size: 400% 400%;
  animation: gradientShift 8s ease infinite;
}

/* ============================================================
   GLOW RING ANIMATION
   ============================================================ */
.glow-ring {
  position: relative;
}
.glow-ring::before {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: inherit;
  background: conic-gradient(from var(--angle, 0deg), transparent 10%, #ff2d78, #a855f7, #3b82f6, transparent 90%);
  animation: rotateBorder 3s linear infinite;
  z-index: -1;
}
@property --angle {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}
@keyframes rotateBorder { to { --angle: 360deg; } }

/* ============================================================
   TYPING ANIMATION
   ============================================================ */
.typing-text::after {
  content: '|';
  animation: blink 0.7s ease-in-out infinite;
  color: var(--neon-pink);
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

/* ============================================================
   SPARKLE EFFECT
   ============================================================ */
@keyframes sparkle {
  0% { transform: scale(0) rotate(0deg); opacity: 1; }
  100% { transform: scale(1) rotate(180deg); opacity: 0; }
}
.sparkle {
  animation: sparkle 0.6s ease forwards;
}

/* ============================================================
   CARD ENTRANCE
   ============================================================ */
@keyframes cardEntrance {
  from { opacity: 0; transform: translateY(20px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.card-entrance {
  animation: cardEntrance 0.5s ease both;
}

/* ============================================================
   NAV ACTIVE INDICATOR
   ============================================================ */
.nav-link::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--grad-primary);
  opacity: 0;
  transition: opacity 0.2s;
  z-index: -1;
}
.nav-link.active::before { opacity: 0.1; }

/* ============================================================
   HERO GRID PATTERN
   ============================================================ */
.hero-grid-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(168,85,247,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(168,85,247,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

/* ============================================================
   SCANLINES OVERLAY
   ============================================================ */
.scanlines {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.03) 2px,
    rgba(0,0,0,0.03) 4px
  );
  pointer-events: none;
}

/* ============================================================
   NEON UNDERLINE
   ============================================================ */
.neon-underline {
  position: relative;
  display: inline-block;
}
.neon-underline::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--grad-primary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}
.neon-underline:hover::after { transform: scaleX(1); transform-origin: left; }

/* ============================================================
   COUNT UP FLASH
   ============================================================ */
@keyframes countFlash {
  0% { color: var(--neon-pink); text-shadow: 0 0 20px var(--neon-pink); }
  100% { color: inherit; text-shadow: none; }
}
.count-flash { animation: countFlash 0.5s ease; }

/* ============================================================
   SAVE BUTTON
   ============================================================ */
.save-btn { transition: all var(--transition-fast); }
.save-btn.saved { color: var(--neon-gold) !important; border-color: var(--neon-gold) !important; }
.save-btn.saved i::before { content: '\f02e'; /* solid bookmark */ }

/* ============================================================
   FILTER TRANSITION
   ============================================================ */
.model-card {
  transition: opacity 0.3s ease, transform 0.3s ease, box-shadow var(--transition-smooth), border-color var(--transition-smooth);
}
.model-card.filtering-out {
  opacity: 0;
  transform: scale(0.94);
}
.model-card.filtering-in {
  opacity: 0;
  transform: scale(0.94);
  animation: filterIn 0.4s ease forwards;
}
@keyframes filterIn {
  to { opacity: 1; transform: scale(1); }
}

/* ============================================================
   PARALLAX LAYERS
   ============================================================ */
.parallax-layer {
  will-change: transform;
}

/* ============================================================
   GRADIENT BORDER ANIMATION
   ============================================================ */
@keyframes borderGlow {
  0%, 100% { border-color: rgba(255, 45, 120, 0.4); }
  33% { border-color: rgba(168, 85, 247, 0.4); }
  66% { border-color: rgba(59, 130, 246, 0.4); }
}
.border-anim { animation: borderGlow 4s ease infinite; }

/* ============================================================
   HOVER LIFT
   ============================================================ */
.hover-lift { transition: transform var(--transition-smooth), box-shadow var(--transition-smooth); }
.hover-lift:hover { transform: translateY(-6px); box-shadow: 0 20px 60px rgba(0,0,0,0.4); }

/* ============================================================
   SCROLL INDICATOR (hero)
   ============================================================ */
.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: fadeIn 1s ease 1s both;
}
.scroll-indicator-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--neon-purple), transparent);
  animation: scrollLineAnim 1.5s ease-in-out infinite;
}
@keyframes scrollLineAnim {
  0% { transform: scaleY(0); transform-origin: top; opacity: 0; }
  50% { transform: scaleY(1); transform-origin: top; opacity: 1; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

/* ============================================================
   NOTIFICATION BADGE
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 700;
}
.badge-pink { background: var(--neon-pink); color: #fff; }
.badge-purple { background: var(--neon-purple); color: #fff; }
.badge-new { background: var(--grad-warm); color: #fff; }

/* ============================================================
   IMAGE PARALLAX HOVER
   ============================================================ */
.img-hover-parallax {
  overflow: hidden;
  border-radius: inherit;
}
.img-hover-parallax img {
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.img-hover-parallax:hover img {
  transform: scale(1.1) translateY(-5px);
}

/* ============================================================
   NEON GLOW DIVIDER
   ============================================================ */
.neon-divider {
  width: 80px;
  height: 3px;
  background: var(--grad-primary);
  border-radius: 3px;
  margin: 20px 0;
  box-shadow: 0 0 12px rgba(168, 85, 247, 0.6);
}

/* ============================================================
   PAGE TRANSITION
   ============================================================ */
.page-enter {
  animation: pageEnter 0.6s ease both;
}
@keyframes pageEnter {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   MARQUEE TEXT
   ============================================================ */
.marquee-wrapper {
  overflow: hidden;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 16px 0;
  background: rgba(168, 85, 247, 0.03);
}
.marquee-track {
  display: flex;
  gap: 60px;
  width: max-content;
  animation: marqueeScroll 20s linear infinite;
}
.marquee-item {
  display: flex;
  align-items: center;
  gap: 16px;
  white-space: nowrap;
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}
.marquee-item span { color: var(--neon-pink); }
@keyframes marqueeScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ============================================================
   INTERACTIVE HOVER STATE HELPERS
   ============================================================ */
.interactive { transition: all var(--transition-fast); }
.interactive:hover { opacity: 0.8; }
.interactive:active { transform: scale(0.97); }