/* ============================================
   ANIMATIONS.CSS - Keyframes & Reveal System
   BarCamp Ferizaj
============================================ */

/* ============= Keyframes ============= */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-32px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(32px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.92);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes cursor-blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(79, 70, 229, 0); }
  50%       { box-shadow: 0 0 0 8px rgba(79, 70, 229, 0.12); }
}

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

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

/* ============= Scroll Reveal System ============= */
.reveal,
.reveal-up,
.reveal-left,
.reveal-right,
.reveal-scale {
  opacity: 0;
  transition:
    opacity var(--transition-slow),
    transform var(--transition-slow);
}

.reveal          { transform: translateY(0); }
.reveal-up       { transform: translateY(32px); }
.reveal-left     { transform: translateX(-32px); }
.reveal-right    { transform: translateX(32px); }
.reveal-scale    { transform: scale(0.94); }

.reveal.is-visible,
.reveal-up.is-visible,
.reveal-left.is-visible,
.reveal-right.is-visible,
.reveal-scale.is-visible {
  opacity: 1;
  transform: none;
}

/* Stagger delays for children */
.stagger-children > *:nth-child(1) { transition-delay: 0ms; }
.stagger-children > *:nth-child(2) { transition-delay: 80ms; }
.stagger-children > *:nth-child(3) { transition-delay: 160ms; }
.stagger-children > *:nth-child(4) { transition-delay: 240ms; }
.stagger-children > *:nth-child(5) { transition-delay: 320ms; }
.stagger-children > *:nth-child(6) { transition-delay: 400ms; }
.stagger-children > *:nth-child(7) { transition-delay: 480ms; }
.stagger-children > *:nth-child(8) { transition-delay: 560ms; }

/* ============= Cursor Blink ============= */
.cursor-blink {
  animation: cursor-blink 1.1s step-end infinite;
}

/* ============= Floating Animation ============= */
.float {
  animation: float 4s ease-in-out infinite;
}

/* ============= Skeleton Loading ============= */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-bg-elevated) 25%,
    var(--color-bg-surface) 50%,
    var(--color-bg-elevated) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

/* ============= Hero Gradient Animation ============= */
@keyframes gradient-shift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.gradient-animated {
  background-size: 200% 200%;
  animation: gradient-shift 8s ease infinite;
}

/* ============= Reduced Motion ============= */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal,
  .reveal-up,
  .reveal-left,
  .reveal-right,
  .reveal-scale {
    opacity: 1;
    transform: none;
    transition: none;
  }
}