/* ===================================================
   ANIMATIONS.CSS - Keyframes & Animation States
   Reveal, parallax, shimmer, clip-path transitions
   =================================================== */

/* ============ Base Reveal States ============ */
/* Elements start hidden, JS adds .is-revealed */

[data-reveal] {
  opacity: 0;
  transform: translateY(40px);
  will-change: opacity, transform;
}

[data-reveal="left"] {
  transform: translateX(-60px);
}

[data-reveal="right"] {
  transform: translateX(60px);
}

[data-reveal="scale"] {
  transform: scale(0.85);
}

[data-reveal="none"] {
  transform: none;
}

[data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

/* Stagger children */
[data-stagger-child] {
  opacity: 0;
  transform: translateY(30px);
  will-change: opacity, transform;
}

[data-stagger-child].is-revealed {
  opacity: 1;
  transform: none;
}

/* Split text - chars/words/lines hidden initially */
[data-split-text] .char,
[data-split-text] .word,
[data-split-text] .line {
  display: inline-block;
  will-change: transform, opacity;
}

/* Counter */
[data-count-to] {
  font-variant-numeric: tabular-nums;
}

/* ============ Gold Particles ============ */
.gold-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.gold-particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--gold);
  border-radius: 50%;
  opacity: 0;
  animation: particle-float var(--duration, 8s) var(--delay, 0s) infinite;
}

@keyframes particle-float {
  0% {
    opacity: 0;
    transform: translate(0, 0) scale(0);
  }
  15% {
    opacity: 0.6;
    transform: scale(1);
  }
  85% {
    opacity: 0.3;
  }
  100% {
    opacity: 0;
    transform: translate(var(--tx, 100px), var(--ty, -200px)) scale(0.5);
  }
}

/* ============ Gradient Mesh Background ============ */
.gradient-mesh {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.gradient-mesh::before,
.gradient-mesh::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: mesh-drift 12s ease-in-out infinite alternate;
}

.gradient-mesh::before {
  width: 500px;
  height: 500px;
  background: rgba(218, 165, 32, 0.15);
  top: -20%;
  left: -10%;
}

.gradient-mesh::after {
  width: 400px;
  height: 400px;
  background: rgba(218, 165, 32, 0.1);
  bottom: -15%;
  right: -5%;
  animation-delay: -6s;
}

@keyframes mesh-drift {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -20px) scale(1.1); }
  100% { transform: translate(-20px, 30px) scale(0.95); }
}

/* ============ Section Clip Transitions ============ */
[data-clip-reveal] {
  clip-path: inset(10% 0 10% 0);
  transition: clip-path 1.2s var(--ease-out-expo);
}

[data-clip-reveal].is-revealed {
  clip-path: inset(0 0 0 0);
}

/* ============ Shimmer Effect ============ */
.shimmer {
  position: relative;
  overflow: hidden;
}

.shimmer::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.15),
    transparent
  );
  animation: shimmer-sweep 3s infinite;
}

@keyframes shimmer-sweep {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* ============ Magnetic Cursor ============ */
[data-magnetic] {
  transition: transform var(--duration-fast) var(--ease-out-quart);
  will-change: transform;
}

/* ============ Hero Specific ============ */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--header-height) + 20px);
  overflow: hidden;
}

.hero__content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero__text {
  max-width: 600px;
}

.hero__image {
  position: relative;
}

.hero__image img {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-elevated);
}

/* ============ Pin Section ============ */
[data-pin-section] {
  position: relative;
}

/* ============ Parallax ============ */
[data-parallax] {
  will-change: transform;
}

/* ============ Floating Animation ============ */
.float {
  animation: float 6s ease-in-out infinite;
}

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

/* ============ Pulse Badge ============ */
.pulse-badge {
  animation: badge-pulse 2s ease-in-out infinite;
}

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

/* ============ Confetti Burst ============ */
.confetti-container {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  overflow: hidden;
}

.confetti-piece {
  position: absolute;
  width: 8px;
  height: 8px;
  opacity: 0;
  animation: confetti-fall var(--duration, 2.5s) var(--delay, 0s) forwards;
}

@keyframes confetti-fall {
  0% {
    opacity: 1;
    transform: translate(0, 0) rotate(0deg) scale(1);
  }
  100% {
    opacity: 0;
    transform: translate(var(--tx, 0), var(--ty, 800px)) rotate(var(--rot, 720deg)) scale(0.3);
  }
}

/* ============ Loading Spinner ============ */
.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid rgba(218, 165, 32, 0.2);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============ Blog Article Progress ============ */
.article-progress {
  position: fixed;
  top: var(--header-height);
  left: 0;
  height: 3px;
  background: var(--gold-gradient);
  z-index: 999;
  transform-origin: left;
  transform: scaleX(0);
  width: 100%;
  transition: none;
}

/* ============ Responsive ============ */
@media (max-width: 768px) {
  .hero {
    min-height: auto;
    padding-top: calc(var(--header-height) + 10px);
    padding-bottom: 40px;
  }

  .hero__content {
    grid-template-columns: 1fr;
    gap: 30px;
    text-align: center;
  }

  .hero__image {
    order: -1;
    max-width: 400px;
    margin: 0 auto;
  }

  .hero__text {
    max-width: 100%;
  }

  .gradient-mesh::before,
  .gradient-mesh::after {
    width: 250px;
    height: 250px;
    filter: blur(60px);
  }
}

/* ============ Reduced Motion ============ */
@media (prefers-reduced-motion: reduce) {
  [data-reveal],
  [data-stagger-child] {
    opacity: 1 !important;
    transform: none !important;
  }

  [data-split-text] .char,
  [data-split-text] .word,
  [data-split-text] .line {
    opacity: 1 !important;
    transform: none !important;
  }

  .gold-particle,
  .gradient-mesh::before,
  .gradient-mesh::after,
  .shimmer::after {
    animation: none !important;
  }

  .float {
    animation: none !important;
  }

  .article-progress {
    transition: transform 0.1s linear !important;
  }
}