/* ========================================
   DANCE STUDIO — Animation Keyframes
   GPU-accelerated (transform/opacity only)
   ======================================== */


/* === Content Reveals === */
@keyframes fadeUp {
  0% { opacity: 0; transform: translateY(50px); }
  100% { opacity: 1; transform: translateY(0); }
}

@keyframes fadeDown {
  0% { opacity: 0; transform: translateY(-50px); }
  100% { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInLeft {
  0% { opacity: 0; transform: translateX(-50px); }
  100% { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInRight {
  0% { opacity: 0; transform: translateX(50px); }
  100% { opacity: 1; transform: translateX(0); }
}

@keyframes fadeIn {
  0% { opacity: 0; }
  100% { opacity: 1; }
}

@keyframes scaleIn {
  0% { opacity: 0; transform: scale(0.8); }
  100% { opacity: 1; transform: scale(1); }
}

@keyframes scaleUp {
  0% { opacity: 0; transform: scale(0.5); }
  100% { opacity: 1; transform: scale(1); }
}

/* === Text Mask Reveal === */
@keyframes textReveal {
  0% { transform: translateY(100%); }
  100% { transform: translateY(0); }
}

@keyframes textRevealChar {
  0% { opacity: 0; transform: translateY(40px) rotateX(40deg); }
  100% { opacity: 1; transform: translateY(0) rotateX(0deg); }
}

/* === Clip Path Reveals === */
@keyframes clipRevealDown {
  0% { clip-path: polygon(0 0, 100% 0, 100% 0, 0 0); }
  100% { clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%); }
}

@keyframes clipRevealCircle {
  0% { clip-path: circle(0% at 50% 50%); }
  100% { clip-path: circle(100% at 50% 50%); }
}

/* === Float / Hover === */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

@keyframes floatSlow {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-10px) rotate(2deg); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.8; }
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 20px rgba(var(--color-primary-rgb), 0.3); }
  50% { box-shadow: 0 0 40px rgba(var(--color-primary-rgb), 0.6); }
}

/* === Ripple Effect === */
@keyframes ripple {
  0% { transform: scale(0); opacity: 0.6; }
  100% { transform: scale(4); opacity: 0; }
}

/* === Rotate === */
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes spinSlow {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* === Marquee === */
@keyframes marqueeLeft {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@keyframes marqueeRight {
  0% { transform: translateX(-50%); }
  100% { transform: translateX(0); }
}

/* === Gradient Background Animation === */
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes meshGradient {
  0%, 100% { 
    background-position: 0% 0%, 100% 100%, 50% 50%;
  }
  25% { 
    background-position: 100% 0%, 0% 100%, 50% 0%;
  }
  50% { 
    background-position: 100% 100%, 0% 0%, 0% 50%;
  }
  75% { 
    background-position: 0% 100%, 100% 0%, 100% 50%;
  }
}

/* === Sparkle / Particle === */
@keyframes sparkle {
  0%, 100% { opacity: 0; transform: scale(0) rotate(0deg); }
  50% { opacity: 1; transform: scale(1) rotate(180deg); }
}

@keyframes twinkle {
  0%, 100% { opacity: 0.2; }
  50% { opacity: 1; }
}

/* === SVG Drawing === */
@keyframes drawLine {
  0% { stroke-dashoffset: 1000; }
  100% { stroke-dashoffset: 0; }
}

@keyframes drawCheck {
  0% { stroke-dashoffset: 100; }
  100% { stroke-dashoffset: 0; }
}

/* === Flip Clock === */
@keyframes flipTop {
  0% { transform: rotateX(0deg); }
  100% { transform: rotateX(-90deg); }
}

@keyframes flipBottom {
  0% { transform: rotateX(90deg); }
  100% { transform: rotateX(0deg); }
}

/* === Slide === */
@keyframes slideInFromLeft {
  0% { transform: translateX(-100%); opacity: 0; }
  100% { transform: translateX(0); opacity: 1; }
}

@keyframes slideInFromRight {
  0% { transform: translateX(100%); opacity: 0; }
  100% { transform: translateX(0); opacity: 1; }
}

@keyframes slideInFromBottom {
  0% { transform: translateY(100%); }
  100% { transform: translateY(0); }
}

/* === Shake (Form Error) === */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
  20%, 40%, 60%, 80% { transform: translateX(5px); }
}

/* === Bounce === */
@keyframes bounceIn {
  0% { opacity: 0; transform: scale(0.3); }
  50% { opacity: 1; transform: scale(1.05); }
  70% { transform: scale(0.9); }
  100% { transform: scale(1); }
}

@keyframes bounceArrow {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(8px); }
}

/* === Wave Divider === */
@keyframes waveMove {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* === Typing Cursor === */
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* === Progress Bar === */
@keyframes progressGrow {
  0% { transform: scaleX(0); }
  100% { transform: scaleX(1); }
}

/* === Scroll Progress Bar === */
.scroll-progress {
  position: fixed;
  top: 0;
  inset-inline-start: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-primary);
  transform-origin: left;
  transform: scaleX(0);
  z-index: var(--z-sticky);
  transition: none;
}

[dir="rtl"] .scroll-progress {
  transform-origin: right;
}

/* ========================================
   ANIMATION UTILITY CLASSES
   ======================================== */

/* Scroll-triggered reveal (used with Intersection Observer) */
.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal--left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal--left.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal--right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal--right.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal--scale {
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.reveal--scale.revealed {
  opacity: 1;
  transform: scale(1);
}

/* Stagger delay helpers */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* Text mask reveal container */
.text-mask {
  overflow: hidden;
  display: inline-block;
}

.text-mask__inner {
  display: inline-block;
  transform: translateY(100%);
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.text-mask.revealed .text-mask__inner {
  transform: translateY(0);
}

/* Parallax layer markers */
.parallax-layer {
  will-change: transform;
}



/* === Custom Cursor === */
.custom-cursor {
  position: fixed;
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-primary);
  border-radius: 50%;
  pointer-events: none;
  z-index: var(--z-cursor);
  transform: translate(-50%, -50%);
  transition: width 0.3s ease, height 0.3s ease, background-color 0.3s ease;
  mix-blend-mode: difference;
}

.custom-cursor.expanded {
  width: 50px;
  height: 50px;
  background-color: rgba(var(--color-primary-rgb), 0.15);
  border-color: var(--color-accent);
}

@media (pointer: coarse) {
  .custom-cursor { display: none; }
}