/* ==========================================================================
   Animations — Keyframes, Scroll animations, Transitions
   ========================================================================== */

/* ---------- Morphing Photo Border Radius ---------- */
@keyframes morphing {
  0%   { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
  25%  { border-radius: 58% 42% 75% 25% / 76% 46% 54% 24%; }
  50%  { border-radius: 50% 50% 33% 67% / 55% 27% 73% 45%; }
  75%  { border-radius: 33% 67% 58% 42% / 63% 68% 32% 37%; }
  100% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
}

.hero__photo-wrapper {
  animation: morphing 8s ease-in-out infinite, glowPulse 3s ease-in-out infinite;
}

/* ---------- Glow Pulse ---------- */
@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 30px var(--accent-glow), 0 0 60px var(--accent-glow); }
  50%      { box-shadow: 0 0 40px var(--accent-glow), 0 0 80px var(--accent-glow), 0 0 120px var(--accent-glow); }
}

/* ---------- Radar Chart Animation ---------- */
@keyframes radarReveal {
  from { opacity: 0; transform: scale(0); }
  to   { opacity: 1; transform: scale(1); }
}

.competences__radar-polygon {
  transform-origin: 50% 50%;
  transform: scale(0);
  opacity: 0;
  transform-box: fill-box;
}

.competences__radar-polygon.is-visible {
  animation: radarReveal 800ms cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* ---------- Scroll Animations — Fade In ---------- */
.fade-in-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.fade-in-right {
  opacity: 0;
  transform: translateX(20px);
  transition: opacity 600ms ease, transform 600ms ease;
}

/* Visible state (added by IntersectionObserver) */
.fade-in-up.is-visible,
.fade-in-left.is-visible,
.fade-in-right.is-visible {
  opacity: 1;
  transform: translate(0, 0);
}

/* ---------- Stagger Delay Utilities ---------- */
.delay-1 { transition-delay: 100ms; }
.delay-2 { transition-delay: 200ms; }
.delay-3 { transition-delay: 300ms; }
.delay-4 { transition-delay: 400ms; }

/* ---------- Preloader Animation ---------- */
@keyframes preloaderPulse {
  0%, 100% { opacity: 0.5; transform: scale(0.95); }
  50%      { opacity: 1;   transform: scale(1); }
}

.preloader__logo {
  animation: preloaderPulse 1.5s ease-in-out infinite;
}

.preloader.is-hidden .preloader__logo {
  animation: none;
}

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

  .fade-in-up,
  .fade-in-left,
  .fade-in-right {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .delay-1,
  .delay-2,
  .delay-3,
  .delay-4 {
    transition-delay: 0ms !important;
  }

  .hero__photo-wrapper {
    animation: none;
    border-radius: 50%;
  }

  .competences__radar-polygon {
    opacity: 1;
    transform: none;
  }

  #hero-canvas {
    display: none;
  }
}