/* ═══════════════════════════════════════════════════
   Motion System — Animations & Scroll Reveal
   ═══════════════════════════════════════════════════ */

/* ─── Keyframes ─── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInScale {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-12px); }
}

@keyframes floatSlow {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-8px) rotate(2deg); }
}

@keyframes floatReverse {
  0%, 100% { transform: translateY(-8px); }
  50% { transform: translateY(4px); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(22, 163, 74, 0.4); }
  50% { transform: scale(1.05); box-shadow: 0 0 0 12px rgba(22, 163, 74, 0); }
}

@keyframes pulseGold {
  0%, 100% { box-shadow: 0 0 0 0 rgba(212, 175, 55, 0.4); }
  50% { box-shadow: 0 0 0 10px rgba(212, 175, 55, 0); }
}

@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

@keyframes shine {
  0% { transform: translateX(-100%) skewX(-15deg); }
  100% { transform: translateX(200%) skewX(-15deg); }
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes rotateSlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes scaleIn {
  from { transform: scale(0); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

@keyframes borderGlow {
  0%, 100% { border-color: rgba(212, 175, 55, 0.2); }
  50% { border-color: rgba(212, 175, 55, 0.5); }
}

@keyframes slideDrawLine {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes bubbleFloat {
  0% { transform: translateY(0) scale(1); opacity: 0.6; }
  50% { transform: translateY(-20px) scale(1.1); opacity: 0.3; }
  100% { transform: translateY(-40px) scale(0.8); opacity: 0; }
}

@keyframes iconPop {
  0% { transform: scale(0) rotate(-180deg); opacity: 0; }
  60% { transform: scale(1.2) rotate(10deg); opacity: 1; }
  100% { transform: scale(1) rotate(0deg); opacity: 1; }
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.1); }
}

@keyframes sparkle {
  0%, 100% { opacity: 0; transform: scale(0.5) rotate(0deg); }
  50% { opacity: 1; transform: scale(1) rotate(180deg); }
}

/* ─── Scroll Reveal System ─── */
.reveal {
  opacity: 0;
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
  will-change: opacity, transform;
}

.reveal--up {
  transform: translateY(40px);
}

.reveal--down {
  transform: translateY(-30px);
}

.reveal--right {
  transform: translateX(-40px);
}

.reveal--left {
  transform: translateX(40px);
}

.reveal--scale {
  transform: scale(0.92);
}

.reveal--rotate {
  transform: rotate(-5deg) scale(0.95);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0) translateX(0) scale(1) rotate(0deg);
}

/* Stagger delays for children */
.stagger > .reveal:nth-child(1) { transition-delay: 0ms; }
.stagger > .reveal:nth-child(2) { transition-delay: 80ms; }
.stagger > .reveal:nth-child(3) { transition-delay: 160ms; }
.stagger > .reveal:nth-child(4) { transition-delay: 240ms; }
.stagger > .reveal:nth-child(5) { transition-delay: 320ms; }
.stagger > .reveal:nth-child(6) { transition-delay: 400ms; }
.stagger > .reveal:nth-child(7) { transition-delay: 480ms; }
.stagger > .reveal:nth-child(8) { transition-delay: 560ms; }
.stagger > .reveal:nth-child(9) { transition-delay: 640ms; }
.stagger > .reveal:nth-child(10) { transition-delay: 720ms; }

.stagger > *:nth-child(1) { transition-delay: 0ms; }
.stagger > *:nth-child(2) { transition-delay: 80ms; }
.stagger > *:nth-child(3) { transition-delay: 160ms; }
.stagger > *:nth-child(4) { transition-delay: 240ms; }
.stagger > *:nth-child(5) { transition-delay: 320ms; }
.stagger > *:nth-child(6) { transition-delay: 400ms; }
.stagger > *:nth-child(7) { transition-delay: 480ms; }
.stagger > *:nth-child(8) { transition-delay: 560ms; }
.stagger > *:nth-child(9) { transition-delay: 640ms; }
.stagger > *:nth-child(10) { transition-delay: 720ms; }

/* ─── Utility Animation Classes ─── */
.anim-float {
  animation: float 4s ease-in-out infinite;
}

.anim-float-slow {
  animation: floatSlow 6s ease-in-out infinite;
}

.anim-float-reverse {
  animation: floatReverse 5s ease-in-out infinite;
}

.anim-pulse {
  animation: pulse 2.5s ease-in-out infinite;
}

.anim-pulse-gold {
  animation: pulseGold 2.5s ease-in-out infinite;
}

.anim-rotate-slow {
  animation: rotateSlow 20s linear infinite;
}

.anim-gradient {
  background-size: 200% 200%;
  animation: gradientShift 8s ease infinite;
}

.anim-glow {
  animation: glowPulse 3s ease-in-out infinite;
}

/* ─── Hover Shine Effect ─── */
.shine-effect {
  position: relative;
  overflow: hidden;
}

.shine-effect::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(
    105deg,
    transparent 40%,
    rgba(255, 255, 255, 0.15) 45%,
    rgba(255, 255, 255, 0.3) 50%,
    rgba(255, 255, 255, 0.15) 55%,
    transparent 60%
  );
  transition: left 0.6s var(--ease-out);
  pointer-events: none;
}

.shine-effect:hover::after {
  left: 120%;
}

/* ─── Gold Shine for dark backgrounds ─── */
.gold-shine {
  position: relative;
  overflow: hidden;
}

.gold-shine::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: var(--grad-shine);
  transition: left 0.7s var(--ease-out);
  pointer-events: none;
}

.gold-shine:hover::after {
  left: 130%;
}

/* ─── 3D Tilt (applied via JS) ─── */
.tilt-3d {
  transform-style: preserve-3d;
  transition: transform 0.3s var(--ease-out);
}

.tilt-3d:hover {
  transform: perspective(1000px) rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg));
}

/* Static 3D tilt fallback */
@media (hover: hover) {
  .tilt-3d-static:hover {
    transform: perspective(1000px) rotateX(-3deg) rotateY(3deg) translateZ(10px);
  }
}

/* ─── Card Hover Lift ─── */
.hover-lift {
  transition: transform var(--tr-base), box-shadow var(--tr-base);
}

.hover-lift:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}

/* ─── Border Glow Animation ─── */
.border-glow {
  position: relative;
}

.border-glow::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(212,175,55,0.3), transparent, rgba(212,175,55,0.3));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--tr-base);
  pointer-events: none;
}

.border-glow:hover::before {
  opacity: 1;
  animation: borderGlow 2s ease-in-out infinite;
}

/* ─── Mobile: reduce motion ─── */
@media (max-width: 768px) {
  .anim-float {
    animation-duration: 6s;
  }
  .anim-float-slow {
    animation-duration: 8s;
  }
  .reveal {
    transition-duration: 0.4s;
  }
  .stagger > *:nth-child(n+5) {
    transition-delay: 320ms !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .anim-float, .anim-float-slow, .anim-float-reverse,
  .anim-pulse, .anim-pulse-gold, .anim-rotate-slow,
  .anim-gradient, .anim-glow {
    animation: none;
  }
  .shine-effect::after,
  .gold-shine::after {
    display: none;
  }
}