/* ============================================================
   NEELAM ROY — PREMIUM CINEMATIC PORTFOLIO
   Keyframe Animations & Transitions
   ============================================================ */

/* ── Fade Animations ── */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-60px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(60px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ── Scale Animations ── */
@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes scaleOut {
  from {
    opacity: 1;
    transform: scale(1);
  }
  to {
    opacity: 0;
    transform: scale(0.8);
  }
}

@keyframes scalePulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

/* ── Rotate Animations ── */
@keyframes rotateIn {
  from {
    opacity: 0;
    transform: rotate(-10deg) scale(0.9);
  }
  to {
    opacity: 1;
    transform: rotate(0deg) scale(1);
  }
}

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

/* ── Float Animations ── */
@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-15px);
  }
}

@keyframes floatX {
  0%, 100% {
    transform: translateX(0);
  }
  50% {
    transform: translateX(10px);
  }
}

@keyframes floatDiagonal {
  0%, 100% {
    transform: translate(0, 0);
  }
  25% {
    transform: translate(10px, -15px);
  }
  50% {
    transform: translate(-5px, -25px);
  }
  75% {
    transform: translate(-15px, -10px);
  }
}

/* ── Glow Animations ── */
@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.1);
  }
  50% {
    box-shadow: 0 0 40px rgba(212, 175, 55, 0.25);
  }
}

@keyframes glowPurple {
  0%, 100% {
    box-shadow: 0 0 20px rgba(108, 59, 255, 0.1);
  }
  50% {
    box-shadow: 0 0 40px rgba(108, 59, 255, 0.25);
  }
}

@keyframes textGlow {
  0%, 100% {
    text-shadow: 0 0 10px rgba(212, 175, 55, 0.2);
  }
  50% {
    text-shadow: 0 0 30px rgba(212, 175, 55, 0.4);
  }
}

/* ── Shimmer Animation ── */
@keyframes shimmer {
  0% {
    background-position: -200% center;
  }
  100% {
    background-position: 200% center;
  }
}

.shimmer-text {
  background: linear-gradient(
    90deg,
    var(--color-text-primary) 0%,
    var(--color-gold) 25%,
    var(--color-text-primary) 50%,
    var(--color-gold) 75%,
    var(--color-text-primary) 100%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 4s linear infinite;
}

/* ── Border Glow Animation ── */
@keyframes borderGlowPulse {
  0%, 100% {
    border-color: rgba(212, 175, 55, 0.2);
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.05);
  }
  50% {
    border-color: rgba(212, 175, 55, 0.5);
    box-shadow: 0 0 30px rgba(212, 175, 55, 0.15);
  }
}

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

/* ── Gradient Shift ── */
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ── Spotlight Animations ── */
@keyframes spotlightSweep {
  0% {
    transform: translate(-50%, -50%) rotate(0deg);
    opacity: 0.3;
  }
  25% {
    opacity: 0.6;
  }
  50% {
    transform: translate(-50%, -50%) rotate(180deg);
    opacity: 0.3;
  }
  75% {
    opacity: 0.6;
  }
  100% {
    transform: translate(-50%, -50%) rotate(360deg);
    opacity: 0.3;
  }
}

@keyframes spotlightPulse {
  0%, 100% {
    opacity: 0.4;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.2);
  }
}

/* ── Smoke Animations ── */
@keyframes smokeRise {
  0% {
    transform: translateY(100%) scale(0.5);
    opacity: 0;
  }
  30% {
    opacity: 0.15;
  }
  70% {
    opacity: 0.08;
  }
  100% {
    transform: translateY(-100%) scale(2);
    opacity: 0;
  }
}

@keyframes smokeDrift {
  0% {
    transform: translate(0, 0) rotate(0deg) scale(1);
    opacity: 0;
  }
  20% {
    opacity: 0.1;
  }
  50% {
    transform: translate(100px, -200px) rotate(180deg) scale(1.5);
    opacity: 0.05;
  }
  100% {
    transform: translate(200px, -400px) rotate(360deg) scale(2);
    opacity: 0;
  }
}

/* ── Text Reveal Animations ── */
@keyframes textRevealUp {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes textRevealClip {
  from {
    clip-path: inset(100% 0 0 0);
  }
  to {
    clip-path: inset(0 0 0 0);
  }
}

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

@keyframes blinkCursor {
  0%, 100% { border-right-color: transparent; }
  50% { border-right-color: var(--color-gold); }
}

/* ── Letter Animation ── */
@keyframes letterFadeIn {
  from {
    opacity: 0;
    transform: translateY(20px) rotateX(-90deg);
    filter: blur(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0) rotateX(0);
    filter: blur(0);
  }
}

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

/* ── Particle Animations ── */
@keyframes particleFloat {
  0% {
    transform: translateY(100vh) scale(0);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(-10vh) scale(1);
    opacity: 0;
  }
}

@keyframes particleDrift {
  0%, 100% {
    transform: translateX(0);
  }
  50% {
    transform: translateX(30px);
  }
}

@keyframes particleTwinkle {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* ── Loading Animations ── */
@keyframes loadingDot {
  0%, 100% {
    transform: scale(0.5);
    opacity: 0.3;
  }
  50% {
    transform: scale(1);
    opacity: 1;
  }
}

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

@keyframes loadingPulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.5);
    opacity: 0;
  }
}

/* ── Marquee ── */
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ── Counter Roll ── */
@keyframes counterRoll {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* ── Luxury Hover Effects ── */
.hover-lift {
  transition: transform var(--transition-luxury), box-shadow var(--transition-luxury);
}

.hover-lift:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-gold);
}

.hover-scale {
  transition: transform var(--transition-base);
}

.hover-scale:hover {
  transform: scale(1.05);
}

.hover-glow {
  transition: box-shadow var(--transition-base);
}

.hover-glow:hover {
  box-shadow: 0 0 30px rgba(212, 175, 55, 0.2), 0 0 60px rgba(212, 175, 55, 0.1);
}

.hover-border-gold {
  transition: border-color var(--transition-base);
}

.hover-border-gold:hover {
  border-color: var(--color-gold);
}

/* ── Image Zoom on Scroll ── */
.parallax-zoom {
  transition: transform 0.1s linear;
  will-change: transform;
}

/* ── Magnetic Button Effect ── */
.magnetic-btn {
  transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: transform;
}

/* ── Staggered Entrance ── */
.stagger-enter > * {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.stagger-enter.revealed > *:nth-child(1) { transition-delay: 0.05s; opacity: 1; transform: none; }
.stagger-enter.revealed > *:nth-child(2) { transition-delay: 0.1s; opacity: 1; transform: none; }
.stagger-enter.revealed > *:nth-child(3) { transition-delay: 0.15s; opacity: 1; transform: none; }
.stagger-enter.revealed > *:nth-child(4) { transition-delay: 0.2s; opacity: 1; transform: none; }
.stagger-enter.revealed > *:nth-child(5) { transition-delay: 0.25s; opacity: 1; transform: none; }
.stagger-enter.revealed > *:nth-child(6) { transition-delay: 0.3s; opacity: 1; transform: none; }
.stagger-enter.revealed > *:nth-child(7) { transition-delay: 0.35s; opacity: 1; transform: none; }
.stagger-enter.revealed > *:nth-child(8) { transition-delay: 0.4s; opacity: 1; transform: none; }

/* ── Image Reveal ── */
.image-reveal {
  position: relative;
  overflow: hidden;
}

.image-reveal::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-bg);
  z-index: 2;
  transform: scaleX(1);
  transform-origin: right;
  transition: transform 0.8s cubic-bezier(0.86, 0, 0.07, 1);
}

.image-reveal.revealed::before {
  transform: scaleX(0);
}

/* ── Line Draw ── */
@keyframes lineDraw {
  from {
    stroke-dashoffset: 1000;
  }
  to {
    stroke-dashoffset: 0;
  }
}

/* ── Curtain Reveal ── */
@keyframes curtainLeft {
  from { transform: translateX(0); }
  to { transform: translateX(-100%); }
}

@keyframes curtainRight {
  from { transform: translateX(0); }
  to { transform: translateX(100%); }
}

/* ── Breathe ── */
@keyframes breathe {
  0%, 100% {
    transform: scale(1);
    opacity: 0.8;
  }
  50% {
    transform: scale(1.03);
    opacity: 1;
  }
}

/* ── Gold Flicker ── */
@keyframes goldFlicker {
  0%, 100% { color: var(--color-gold); }
  10% { color: var(--color-gold-light); }
  20% { color: var(--color-gold); }
  30% { color: var(--color-gold-dark); }
  40% { color: var(--color-gold); }
}

/* ── Perspective tilt for cards ── */
.tilt-card {
  transform-style: preserve-3d;
  transition: transform 0.3s ease;
  will-change: transform;
}

/* ── Entrance Animation Classes ── */
.anim-fade-in {
  animation: fadeIn 0.8s ease both;
}

.anim-fade-in-up {
  animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.anim-fade-in-down {
  animation: fadeInDown 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.anim-fade-in-left {
  animation: fadeInLeft 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.anim-fade-in-right {
  animation: fadeInRight 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.anim-scale-in {
  animation: scaleIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.anim-rotate-in {
  animation: rotateIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;
}

/* Animation Delays */
.anim-delay-100 { animation-delay: 0.1s; }
.anim-delay-200 { animation-delay: 0.2s; }
.anim-delay-300 { animation-delay: 0.3s; }
.anim-delay-400 { animation-delay: 0.4s; }
.anim-delay-500 { animation-delay: 0.5s; }
.anim-delay-600 { animation-delay: 0.6s; }
.anim-delay-700 { animation-delay: 0.7s; }
.anim-delay-800 { animation-delay: 0.8s; }
.anim-delay-900 { animation-delay: 0.9s; }
.anim-delay-1000 { animation-delay: 1s; }
.anim-delay-1200 { animation-delay: 1.2s; }
.anim-delay-1500 { animation-delay: 1.5s; }
.anim-delay-2000 { animation-delay: 2s; }