/* ===================================================
   HEUREKA DERGİ — Genel Animasyonlar
   =================================================== */

/* --- Fade In Variants --- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.fade-in-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.fade-in-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Stagger children */
.stagger-children .fade-in:nth-child(1) { transition-delay: 0.1s; }
.stagger-children .fade-in:nth-child(2) { transition-delay: 0.2s; }
.stagger-children .fade-in:nth-child(3) { transition-delay: 0.3s; }
.stagger-children .fade-in:nth-child(4) { transition-delay: 0.4s; }
.stagger-children .fade-in:nth-child(5) { transition-delay: 0.5s; }

/* --- Floating Animation --- */
.float {
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-15px); }
}

.float-slow {
  animation: float 8s ease-in-out infinite;
}

.float-delayed {
  animation: float 6s ease-in-out 2s infinite;
}

/* --- Particle Sparkle --- */
.sparkle {
  position: relative;
}

.sparkle::before,
.sparkle::after {
  content: '✦';
  position: absolute;
  font-size: 0.6rem;
  color: var(--accent-yellow);
  opacity: 0;
  animation: sparkle-blink 3s ease-in-out infinite;
}

.sparkle::before {
  top: -5px;
  right: -10px;
  animation-delay: 0.5s;
}

.sparkle::after {
  bottom: -5px;
  left: -8px;
  animation-delay: 1.5s;
}

@keyframes sparkle-blink {
  0%, 100% { opacity: 0; transform: scale(0.5); }
  50% { opacity: 1; transform: scale(1.2); }
}

/* --- Glow Pulse --- */
.glow-pulse {
  animation: glow-pulse 3s ease-in-out infinite;
}

@keyframes glow-pulse {
  0%, 100% {
    box-shadow: 0 0 20px rgba(162, 155, 254, 0.2);
  }
  50% {
    box-shadow: 0 0 40px rgba(162, 155, 254, 0.4);
  }
}

/* --- Magnetic Hover (3D tilt) --- */
.tilt-card {
  transition: transform 0.3s ease;
  transform-style: preserve-3d;
}

/* --- Gradient Border Animation --- */
.gradient-border {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.gradient-border::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(45deg,
    var(--accent-pink),
    var(--accent-purple),
    var(--accent-green),
    var(--accent-blue),
    var(--accent-pink)
  );
  background-size: 300% 300%;
  animation: gradient-rotate 6s ease infinite;
  z-index: -1;
  border-radius: inherit;
}

@keyframes gradient-rotate {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* --- Text Shimmer --- */
.text-shimmer {
  background: linear-gradient(
    120deg,
    var(--text-secondary) 0%,
    var(--accent-purple) 50%,
    var(--text-secondary) 100%
  );
  background-size: 200% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: text-shimmer 3s linear infinite;
}

@keyframes text-shimmer {
  from { background-position: -200% center; }
  to { background-position: 200% center; }
}

/* --- Page Transition Overlay --- */
.page-transition {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-primary);
  z-index: 10000;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.page-transition.active {
  opacity: 1;
  pointer-events: all;
}

/* --- Skeleton Loading --- */
.skeleton {
  position: relative;
  overflow: hidden;
  background: var(--glass-bg);
  border-radius: var(--radius-md);
}

.skeleton::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.03),
    transparent
  );
  animation: skeleton-shimmer 1.5s infinite;
}

@keyframes skeleton-shimmer {
  to { left: 100%; }
}

/* --- Scroll Progress Bar --- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-pink), var(--accent-purple), var(--accent-green));
  z-index: 10000;
  transition: width 0.1s linear;
  border-radius: 0 2px 2px 0;
}

/* --- Mouse Follower (Desktop only) --- */
@media (hover: hover) {
  .cursor-glow {
    position: fixed;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(162, 155, 254, 0.06), transparent 60%);
    pointer-events: none;
    z-index: 0;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s ease;
  }
}

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