/* ============================================================
   ANIMATIONS & EFFECTS
   ============================================================ */

/* Reveal animations base */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1s var(--ease-out), transform 1s var(--ease-out);
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-60px);
  transition: opacity 1s var(--ease-out), transform 1s var(--ease-out);
}

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

.reveal-right {
  opacity: 0;
  transform: translateX(60px);
  transition: opacity 1s var(--ease-out), transform 1s var(--ease-out);
}

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

.reveal-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 1s var(--ease-out), transform 1s var(--ease-out);
}

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

/* Hero title splash */
.hero-title-line {
  overflow: hidden;
  position: relative;
}

.hero-title-line .char {
  display: inline-block;
  transform: translateY(110%);
  animation: charReveal 1.2s var(--ease-expo) forwards;
}

@keyframes charReveal {
  to { transform: translateY(0); }
}

/* Stagger delays */
.stagger > * { opacity: 0; transform: translateY(30px); transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out); }
.stagger.visible > *:nth-child(1) { opacity: 1; transform: translateY(0); transition-delay: 0.0s; }
.stagger.visible > *:nth-child(2) { opacity: 1; transform: translateY(0); transition-delay: 0.1s; }
.stagger.visible > *:nth-child(3) { opacity: 1; transform: translateY(0); transition-delay: 0.2s; }
.stagger.visible > *:nth-child(4) { opacity: 1; transform: translateY(0); transition-delay: 0.3s; }
.stagger.visible > *:nth-child(5) { opacity: 1; transform: translateY(0); transition-delay: 0.4s; }
.stagger.visible > *:nth-child(6) { opacity: 1; transform: translateY(0); transition-delay: 0.5s; }
.stagger.visible > *:nth-child(7) { opacity: 1; transform: translateY(0); transition-delay: 0.6s; }
.stagger.visible > *:nth-child(8) { opacity: 1; transform: translateY(0); transition-delay: 0.7s; }

/* Magnetic effect */
.magnetic {
  transition: transform 0.3s var(--ease-out);
}

/* Glow pulse */
@keyframes glow {
  0%, 100% { box-shadow: 0 0 20px rgba(212, 255, 0, 0.3); }
  50% { box-shadow: 0 0 40px rgba(212, 255, 0, 0.6); }
}

/* Text gradient shift */
@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* Float */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

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

/* Tennis ball SVG bounce */
.bounce-ball {
  animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-30px); }
}

/* Page transition */
.page-transition {
  position: fixed;
  inset: 0;
  background: var(--accent);
  z-index: 9999;
  transform: translateY(100%);
  transition: transform 0.8s var(--ease-expo);
}

.page-transition.active {
  transform: translateY(0);
}

/* Number counter */
.counter {
  display: inline-block;
}

/* Image hover zoom */
.zoom-on-hover {
  overflow: hidden;
}

.zoom-on-hover img {
  transition: transform 1.2s var(--ease-out);
}

.zoom-on-hover:hover img {
  transform: scale(1.08);
}

/* Underline animation */
.underline-on-hover {
  position: relative;
}

.underline-on-hover::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.4s var(--ease-out);
}

.underline-on-hover:hover::after {
  width: 100%;
}

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

/* Tennis court line decoration */
.court-line {
  position: absolute;
  background: var(--accent);
  opacity: 0.1;
  pointer-events: none;
}

.court-line.horizontal {
  height: 1px;
  width: 100%;
}

.court-line.vertical {
  width: 1px;
  height: 100%;
}

/* Tilt on hover */
.tilt {
  transform-style: preserve-3d;
  transition: transform 0.4s var(--ease-out);
}

/* Glow tag */
.glow-tag {
  position: relative;
}

.glow-tag::after {
  content: '';
  position: absolute;
  inset: -2px;
  background: linear-gradient(45deg, var(--accent), var(--accent-2));
  border-radius: inherit;
  z-index: -1;
  opacity: 0;
  filter: blur(10px);
  transition: opacity 0.4s var(--ease-out);
}

.glow-tag:hover::after {
  opacity: 0.6;
}

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

.shimmer {
  background: linear-gradient(
    90deg,
    transparent,
    rgba(212, 255, 0, 0.1),
    transparent
  );
  background-size: 200% 100%;
  animation: shimmer 2s linear infinite;
}

/* No-cursor on mobile */
@media (hover: none) {
  .magnetic, .tilt { transform: none !important; }
}