/* ============================================================
   KM MEDIA — Animations
   ============================================================ */

@keyframes fadeSlideUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50%       { opacity: 1;   transform: scaleY(1.15); }
}

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

@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 12px var(--accent-glow); }
  50%       { box-shadow: 0 0 28px var(--accent-glow), 0 0 60px rgba(0,180,216,0.15); }
}

@keyframes borderGlow {
  0%, 100% { border-color: rgba(0,180,216,0.3); }
  50%       { border-color: rgba(0,180,216,0.8); }
}

@keyframes counterUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

/* Stat card glow on reveal */
.stats__card.counting .stats__number {
  animation: counterUp 0.3s ease forwards;
}

/* Accent line shimmer */
.glow-line {
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--accent) 20%,
    var(--accent) 80%,
    transparent 100%
  );
  background-size: 200% auto;
  animation: shimmer 3s linear infinite;
}

/* Nav scroll state */
.nav.scrolled .nav__logo-text span {
  text-shadow: 0 0 12px var(--accent-glow);
}

/* Hover micro-interactions */
.btn-primary {
  position: relative;
  overflow: hidden;
}
.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  transform: translateX(-100%);
  transition: transform 0.4s ease;
}
.btn-primary:hover::after {
  transform: translateX(100%);
}

/* Sport card number watermark */
.sport-card::after {
  content: attr(data-num);
  position: absolute;
  bottom: -10px; right: 16px;
  font-family: var(--font-head);
  font-size: 80px;
  font-weight: 900;
  color: rgba(255,255,255,0.025);
  line-height: 1;
  pointer-events: none;
  user-select: none;
  transition: color 0.3s;
}
.sport-card:hover::after {
  color: rgba(0,180,216,0.06);
}

/* Loading dots for form submit */
.btn-loading::after {
  content: '...';
  animation: fadeIn 0.3s;
}

/* Scroll down indicator */
.hero__scroll-line {
  background: linear-gradient(to bottom, var(--accent) 0%, transparent 100%);
}

/* Filter button active indicator */
.filter-btn.active::before {
  content: '';
  display: inline-block;
  width: 6px; height: 6px;
  background: #000;
  border-radius: 50%;
  margin-right: 6px;
  vertical-align: middle;
}

/* Page transition fade */
@keyframes pageEnter {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.page-content {
  animation: pageEnter 0.4s ease forwards;
}