/**
 * ============================================================================
 * zaferkaya.com.tr - Animasyonlar
 * ============================================================================
 * Performans dostu CSS animasyonları (GPU: transform, opacity).
 * prefers-reduced-motion desteği dahil.
 * ============================================================================
 */

/* ============================================================================
 * Keyframes
 * ============================================================================ */

/* Yumuşak yukarı-aşağı */
@keyframes bounce-soft {
  0%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(8px);
  }
}

/* Nabız efekti — hero badge noktası */
@keyframes pulse-dot {
  0%, 100% {
    opacity: 1;
    box-shadow: 0 0 10px var(--color-primary);
  }
  50% {
    opacity: 0.6;
    box-shadow: 0 0 20px var(--color-primary), 0 0 30px var(--color-primary-glow);
  }
}

/* Glow nabız — kartlar ve ikonlar */
@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 15px rgba(var(--color-primary-rgb), 0.2);
  }
  50% {
    box-shadow: 0 0 25px rgba(var(--color-primary-rgb), 0.4);
  }
}

/* Fade in yukarı */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Fade in aşağı */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Fade in sol */
@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Fade in sağ */
@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Scale in */
@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Gradient kaydırma */
@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

/* Dönen border glow */
@keyframes rotateBorder {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* Typing cursor */
@keyframes blink {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
}

/* Network node pulse — SVG animasyonu için */
@keyframes nodePulse {
  0%, 100% {
    r: 4;
    opacity: 1;
  }
  50% {
    r: 6;
    opacity: 0.7;
  }
}

/* Marquee — yatay kaydırma */
@keyframes marquee {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* Counter sayım animasyonu için hazırlık */
@keyframes countUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* ============================================================================
 * Scroll Reveal Sınıfları (JS ile .visible eklenir)
 * ============================================================================ */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
  will-change: opacity, transform;
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

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

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

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

.reveal-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}

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

/* Staggered delay — çocuk elemanlara data-delay ile */
.reveal-stagger > *:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger > *:nth-child(2) { transition-delay: 80ms; }
.reveal-stagger > *:nth-child(3) { transition-delay: 160ms; }
.reveal-stagger > *:nth-child(4) { transition-delay: 240ms; }
.reveal-stagger > *:nth-child(5) { transition-delay: 320ms; }
.reveal-stagger > *:nth-child(6) { transition-delay: 400ms; }
.reveal-stagger > *:nth-child(7) { transition-delay: 480ms; }
.reveal-stagger > *:nth-child(8) { transition-delay: 560ms; }

/* ============================================================================
 * Animasyon Utility Sınıfları
 * ============================================================================ */

.animate-fade-in {
  animation: fadeInUp 0.6s var(--ease-out) forwards;
}

.animate-fade-in-down {
  animation: fadeInDown 0.6s var(--ease-out) forwards;
}

.animate-fade-in-left {
  animation: fadeInLeft 0.6s var(--ease-out) forwards;
}

.animate-fade-in-right {
  animation: fadeInRight 0.6s var(--ease-out) forwards;
}

.animate-scale-in {
  animation: scaleIn 0.5s var(--ease-out) forwards;
}

.animate-pulse-glow {
  animation: pulse-glow 2s ease-in-out infinite;
}

/* Animasyon gecikmeleri */
.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-400 { animation-delay: 400ms; }
.delay-500 { animation-delay: 500ms; }
.delay-600 { animation-delay: 600ms; }

/* Başlangıçta görünmez — animasyon sonrası görünür */
.animate-on-load {
  opacity: 0;
}

/* ============================================================================
 * Hero Özel Animasyonlar
 * ============================================================================ */

.hero-title .char,
.hero-subtitle .char {
  display: inline-block;
  opacity: 0;
  animation: fadeInUp 0.5s var(--ease-out) forwards;
}

/* Gradient text animasyonu */
.text-gradient-animated {
  background: linear-gradient(
    135deg,
    var(--color-primary) 0%,
    var(--color-accent) 25%,
    var(--color-primary) 50%,
    var(--color-accent) 75%,
    var(--color-primary) 100%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 4s ease infinite;
}

/* ============================================================================
 * Hover Animasyonları
 * ============================================================================ */

.hover-lift {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-4px);
}

.hover-glow {
  transition: box-shadow var(--transition-base);
}

.hover-glow:hover {
  box-shadow: var(--shadow-glow-lg);
}

.hover-scale {
  transition: transform var(--transition-base);
}

.hover-scale:hover {
  transform: scale(1.03);
}

/* Link underline animasyonu */
.link-animated {
  position: relative;
  color: var(--color-primary);
}

.link-animated::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}

.link-animated:hover::after {
  width: 100%;
}

/* ============================================================================
 * Marquee Bileşeni
 * ============================================================================ */

.marquee-wrapper {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}

.marquee-track {
  display: flex;
  gap: var(--space-8);
  width: max-content;
  animation: marquee 30s linear infinite;
}

.marquee-track:hover {
  animation-play-state: paused;
}

.marquee-item {
  flex-shrink: 0;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
  color: var(--text-muted);
  white-space: nowrap;
}

/* ============================================================================
 * Skeleton Loading
 * ============================================================================ */

.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-glass) 25%,
    rgba(var(--color-primary-rgb), 0.08) 50%,
    var(--bg-glass) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

.skeleton-text {
  height: 1em;
  margin-bottom: var(--space-2);
}

.skeleton-title {
  height: 2em;
  width: 60%;
  margin-bottom: var(--space-4);
}

.skeleton-image {
  aspect-ratio: 16 / 9;
  width: 100%;
}

/* ============================================================================
 * Network SVG Animasyonları
 * ============================================================================ */

.network-line {
  stroke: rgba(var(--color-primary-rgb), 0.3);
  stroke-width: 1;
  fill: none;
}

.network-node {
  fill: var(--color-primary);
  filter: drop-shadow(0 0 4px var(--color-primary-glow));
}

.network-node-pulse {
  animation: nodePulse 2s ease-in-out infinite;
}

.network-node-pulse:nth-child(2) { animation-delay: 0.3s; }
.network-node-pulse:nth-child(3) { animation-delay: 0.6s; }
.network-node-pulse:nth-child(4) { animation-delay: 0.9s; }
.network-node-pulse:nth-child(5) { animation-delay: 1.2s; }

/* ============================================================================
 * Reduced Motion — Erişilebilirlik
 * ============================================================================ */

@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;
  }

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

  .marquee-track {
    animation: none;
  }

  .hero-scroll-indicator {
    animation: none;
  }
}