/* =============================================
   ARNIVA — Scroll-Triggered Animation System
   Performance-first: transform & opacity only
   Intersection Observer driven via main.js
   ============================================= */

/* ═══════════════════════════════════════════
   BASE REVEAL — tüm animasyonların ortak noktası
   ═══════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.65s cubic-bezier(0.16, 1, 0.3, 1),
              filter 0.65s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
  filter: none;
}

/* ═══════════════════════════════════════════
   ANIMATION VARIANTS
   ═══════════════════════════════════════════ */

/* Fade Up — varsayılan, en yaygın */
.reveal-fade-up {
  transform: translateY(36px);
}

/* Fade Down — üstten gelen elementler için */
.reveal-fade-down {
  transform: translateY(-36px);
}

/* Fade Left — sağdan sola kayan */
.reveal-fade-left {
  transform: translateX(-40px);
}

/* Fade Right — soldan sağa kayan */
.reveal-fade-right {
  transform: translateX(40px);
}

/* Scale In — önemli CTA ve kartlar için */
.reveal-scale-in {
  transform: scale(0.92);
}

/* Blur In — görseller ve illüstrasyonlar için */
.reveal-blur-in {
  filter: blur(12px);
}

/* ═══════════════════════════════════════════
   SECTION HEADER — animasyonları
   ═══════════════════════════════════════════ */
.section-header.reveal-fade-up {
  transform: translateY(24px);
  transition-delay: 0ms;
}

.section-label.reveal-fade-up {
  transform: translateY(20px);
}

/* ═══════════════════════════════════════════
   STAGGER — grid çocukları için gecikmeler
   ═══════════════════════════════════════════ */
.reveal-stagger > *:nth-child(1)  { transition-delay: 0ms, 0ms, 0ms, 0ms, 0ms, 0ms; }
.reveal-stagger > *:nth-child(2)  { transition-delay: 70ms, 70ms, 70ms, 0ms, 0ms, 0ms; }
.reveal-stagger > *:nth-child(3)  { transition-delay: 140ms, 140ms, 140ms, 0ms, 0ms, 0ms; }
.reveal-stagger > *:nth-child(4)  { transition-delay: 210ms, 210ms, 210ms, 0ms, 0ms, 0ms; }
.reveal-stagger > *:nth-child(5)  { transition-delay: 280ms, 280ms, 280ms, 0ms, 0ms, 0ms; }
.reveal-stagger > *:nth-child(6)  { transition-delay: 350ms, 350ms, 350ms, 0ms, 0ms, 0ms; }
.reveal-stagger > *:nth-child(7)  { transition-delay: 420ms, 420ms, 420ms, 0ms, 0ms, 0ms; }
.reveal-stagger > *:nth-child(8)  { transition-delay: 490ms, 490ms, 490ms, 0ms, 0ms, 0ms; }
.reveal-stagger > *:nth-child(9)  { transition-delay: 560ms, 560ms, 560ms, 0ms, 0ms, 0ms; }
.reveal-stagger > *:nth-child(10) { transition-delay: 630ms, 630ms, 630ms, 0ms, 0ms, 0ms; }
.reveal-stagger > *:nth-child(11) { transition-delay: 700ms, 700ms, 700ms, 0ms, 0ms, 0ms; }
.reveal-stagger > *:nth-child(12) { transition-delay: 770ms, 770ms, 770ms, 0ms, 0ms, 0ms; }

/* ═══════════════════════════════════════════
   SPECIFIC ELEMENT DELAYS — özel zamanlamalar
   ═══════════════════════════════════════════ */

/* Hero */
.hero .reveal-fade-up { transition-delay: 0ms, 0ms, 0ms, 0ms, 0ms, 0ms; }
.hero-text h1.reveal-fade-up { transition-delay: 0ms, 0ms, 0ms, 0ms, 0ms, 0ms; transition-duration: 0.55s, 0.55s, 0.55s, 0.25s, 0.25s, 0.25s; }
.hero-subtitle.reveal-fade-up { transition-delay: 100ms, 100ms, 100ms, 0ms, 0ms, 0ms; }
.hero-desc.reveal-fade-up { transition-delay: 200ms, 200ms, 200ms, 0ms, 0ms, 0ms; }
.hero .btn.reveal-fade-up { transition-delay: 300ms, 300ms, 300ms, 0ms, 0ms, 0ms; }
.hero-image-placeholder.reveal-blur-in { transition-delay: 150ms, 150ms, 150ms, 0ms, 0ms, 0ms; }

/* Trust Bar */
.trust-bar.reveal-fade-in { transition-delay: 400ms, 400ms, 400ms, 0ms, 0ms, 0ms; }
.trust-item {
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.trust-item.is-visible {
  opacity: 1; transform: translateY(0);
}
.trust-item:nth-child(1) { transition-delay: 100ms, 100ms, 0ms, 0ms; }
.trust-item:nth-child(2) { transition-delay: 200ms, 200ms, 0ms, 0ms; }
.trust-item:nth-child(3) { transition-delay: 300ms, 300ms, 0ms, 0ms; }
.trust-item:nth-child(4) { transition-delay: 400ms, 400ms, 0ms, 0ms; }

/* ═══════════════════════════════════════════
   ENHANCED KEYFRAME ANIMATIONS
   ═══════════════════════════════════════════ */

/* Floating — yukarı-aşağı hafif salınım */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.animate-float {
  animation: float 4s ease-in-out infinite;
}

/* Pulse — yumuşak nabız */
@keyframes pulse-soft {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.03); }
}
.animate-pulse-soft {
  animation: pulse-soft 3s ease-in-out infinite;
}

/* Shimmer — parlaklık geçişi (skeleton yükleme için) */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
.animate-shimmer {
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(255,255,255,0.5) 50%,
    transparent 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
}

/* Slide In Up — notification/toast giriş */
@keyframes slideInUp {
  from { opacity: 0; transform: translateY(20px) scale(0.95); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.animate-slide-in-up {
  animation: slideInUp 0.35s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

/* Fade In — basit */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.animate-fade-in {
  animation: fadeIn 0.4s ease forwards;
}

/* Scale In Bounce — modal/popup giriş */
@keyframes scaleInBounce {
  from { opacity: 0; transform: scale(0.9); }
  to   { opacity: 1; transform: scale(1); }
}
.animate-scale-in-bounce {
  animation: scaleInBounce 0.35s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

/* ═══════════════════════════════════════════
   PRODUCT CARD HOVER — zenginleştirilmiş
   ═══════════════════════════════════════════ */
.product-card.reveal-scale-in {
  transform: scale(0.92);
  transition: opacity 0.55s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.55s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.3s ease;
}

/* ═══════════════════════════════════════════
   COUNTER NUMBER — roll-in efekti
   ═══════════════════════════════════════════ */
@keyframes countUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.counter.is-visible {
  animation: countUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* ═══════════════════════════════════════════
   REDUCED MOTION — erişilebilirlik
   ═══════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal-fade-up,
  .reveal-fade-down,
  .reveal-fade-left,
  .reveal-fade-right,
  .reveal-scale-in,
  .reveal-blur-in,
  .trust-item {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
    transition: none !important;
    animation: none !important;
    will-change: auto;
  }

  .reveal.is-visible {
    transform: none !important;
  }

  /* Tüm animasyonları kapat */
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  /* Marquee — çok yavaş ama durmasın */
  .marquee-track {
    animation-duration: 30s !important;
    animation-iteration-count: infinite !important;
  }
  /* pulse-ring / sync-icon — yavaş ama durmasın */
  .pulse-ring.is-pulsing,
  .sync-icon.is-spinning svg {
    animation-duration: 5s !important;
    animation-iteration-count: infinite !important;
  }
}

/* ═══════════════════════════════════════════
   MOBILE PERFORMANCE — daha hafif animasyonlar
   ═══════════════════════════════════════════ */
@media (max-width: 768px) {
  .reveal {
    transition-duration: 0.45s;
  }

  .reveal-fade-up,
  .reveal-fade-down {
    transform: translateY(24px); /* daha az mesafe */
  }

  .reveal-fade-left,
  .reveal-fade-right {
    transform: translateX(20px); /* daha az mesafe */
  }

  .reveal-scale-in {
    transform: scale(0.95);
  }

  .reveal-blur-in {
    filter: blur(6px);
  }

  /* Stagger aralığını kısalt */
  .reveal-stagger > *:nth-child(2)  { transition-delay: 40ms, 40ms, 40ms, 0ms, 0ms, 0ms; }
  .reveal-stagger > *:nth-child(3)  { transition-delay: 80ms, 80ms, 80ms, 0ms, 0ms, 0ms; }
  .reveal-stagger > *:nth-child(4)  { transition-delay: 120ms, 120ms, 120ms, 0ms, 0ms, 0ms; }
  .reveal-stagger > *:nth-child(5)  { transition-delay: 160ms, 160ms, 160ms, 0ms, 0ms, 0ms; }
  .reveal-stagger > *:nth-child(6)  { transition-delay: 200ms, 200ms, 200ms, 0ms, 0ms, 0ms; }
  .reveal-stagger > *:nth-child(n+7) { transition-delay: 240ms, 240ms, 240ms, 0ms, 0ms, 0ms; }
}

/* ═══════════════════════════════════════════
   SCROLL PROGRESS BAR
   ═══════════════════════════════════════════ */
.scroll-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  z-index: 10001;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
  background: transparent;
}

.scroll-progress-fill {
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, #fc6800, #ff9a44);
  transform-origin: left center;
  transform: scaleX(0);
  will-change: transform;
}

/* ═══════════════════════════════════════════
   PARALLAX LAYERS
   ═══════════════════════════════════════════ */
.parallax-layer {
  will-change: transform;
}

.parallax-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  will-change: transform;
}

/* Hero arka plan orb */
.hero-orb {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(252, 104, 0, 0.12), transparent 70%);
  top: -150px;
  right: -100px;
}

/* ═══════════════════════════════════════════
   3D PERSPECTIVE REVEAL
   ═══════════════════════════════════════════ */
.reveal-3d {
  opacity: 0;
  transform: perspective(800px) rotateX(12deg) translateY(20px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

.reveal-3d.is-visible {
  opacity: 1;
  transform: perspective(800px) rotateX(0deg) translateY(0);
}

/* e-Devlet cards — 3D reveal stagger */
.e-devlet-card:nth-child(1).reveal-3d { transition-delay: 0ms, 0ms; }
.e-devlet-card:nth-child(2).reveal-3d { transition-delay: 100ms, 100ms; }
.e-devlet-card:nth-child(3).reveal-3d { transition-delay: 200ms, 200ms; }
.e-devlet-card:nth-child(4).reveal-3d { transition-delay: 300ms, 300ms; }

/* ═══════════════════════════════════════════
   CARD BASE — dark mode shadow
   ═══════════════════════════════════════════ */

/* ═══════════════════════════════════════════
   TEXT CHARACTER REVEAL
   ═══════════════════════════════════════════ */
.char-reveal {
  display: inline-block;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* ═══════════════════════════════════════════
   STICKY SPOTLIGHT (pricing calculator)
   ═══════════════════════════════════════════ */
.pricing-calc.is-pinned .calc-container {
  box-shadow: 0 8px 40px rgba(252, 104, 0, 0.15);
  border-color: rgba(252, 104, 0, 0.3);
  transition: box-shadow 0.5s ease, border-color 0.5s ease;
}

/* ═══════════════════════════════════════════
   ASİMETRİK SLIDE-IN (ÖKC section)
   ═══════════════════════════════════════════ */
.reveal-slide-left {
  opacity: 0;
  transform: translateX(-60px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

.reveal-slide-right {
  opacity: 0;
  transform: translateX(60px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

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

/* ═══════════════════════════════════════════
   FAQ SPOTLIGHT BORDER — kaldırıldı (turuncu sol çizgi)
   ═══════════════════════════════════════════ */

/* ═══════════════════════════════════════════
   TESTIMONIAL STAR FILL
   ═══════════════════════════════════════════ */
.testimonial-stars {
  display: inline-block;
  background: linear-gradient(90deg, #F59E0B var(--star-fill, 0%), #ddd var(--star-fill, 0%));
  -webkit-background-clip: text;
  background-clip: text;
}

@property --star-fill {
  syntax: '<percentage>';
  inherits: true;
  initial-value: 0%;
}

/* ═══════════════════════════════════════════
   MARQUEE SCROLL RESPONSIVE
   ═══════════════════════════════════════════ */
.marquee-track {
  transition: animation-play-state 0.3s ease;
}

/* ═══════════════════════════════════════════
   COUNTER ENHANCED
   ═══════════════════════════════════════════ */
@keyframes countUpEnhanced {
  from {
    opacity: 0;
    transform: translateY(16px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.counter-enhanced.is-visible {
  animation: countUpEnhanced 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

/* ═══════════════════════════════════════════
   THEME TRANSITION OVERLAY — enhanced
   ═══════════════════════════════════════════ */

/* ═══════════════════════════════════════════
   FOOTER REVEAL — opacity:1 default, sadece is-visible ile aktif
   ═══════════════════════════════════════════ */
.footer-col {
  opacity: 1;
  transform: translateY(0);
}

/* ═══════════════════════════════════════════
   HERO VIDEO BACKGROUND
   ═══════════════════════════════════════════ */
.hero-video-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.25;
  z-index: 0;
  pointer-events: none;
  transition: opacity 0.5s ease;
}

.hero-video-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.85) 0%,
    rgba(255, 255, 255, 0.6) 50%,
    rgba(255, 255, 255, 0.9) 100%
  );
}

/* ═══════════════════════════════════════════
   PULSE RING — scroll-triggered
   ═══════════════════════════════════════════ */
.pulse-ring {
  animation: none;
  opacity: 0.4;
  transition: opacity 0.3s ease;
}

.pulse-ring.is-pulsing {
  animation: pulse-ring-expand 2s ease-out infinite;
  opacity: 1;
}

@keyframes pulse-ring-expand {
  0% {
    transform: scale(0.9);
    opacity: 0.8;
  }
  100% {
    transform: scale(1.4);
    opacity: 0;
  }
}

/* Sync icon — scroll-linked rotate */
.sync-icon.is-spinning svg {
  animation: sync-rotate 3s linear infinite;
}

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

/* ═══════════════════════════════════════════
   SPRING BOUNCE — CTA buttons
   ═══════════════════════════════════════════ */
.reveal-spring {
  opacity: 0;
  transform: scale(0.7);
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  will-change: transform, opacity;
}

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

/* ═══════════════════════════════════════════
   MOBILE — parallax ve 3D devre dışı
   ═══════════════════════════════════════════ */
@media (max-width: 768px) {
  .parallax-layer {
    transform: none !important;
    will-change: auto;
  }

  .hero-orb {
    display: none;
  }

  .product-card,
  .e-devlet-card,
  .solution-card,
  .testimonial-card {
    transform: none !important;
  }

  .pricing-calc.is-pinned .calc-container {
    box-shadow: none;
    border-color: var(--border);
  }

  .reveal-3d {
    transform: translateY(20px);
  }

  .reveal-3d.is-visible {
    transform: translateY(0);
  }

  .reveal-slide-left,
  .reveal-slide-right {
    transform: translateY(20px);
  }

  .reveal-slide-left.is-visible,
  .reveal-slide-right.is-visible {
    transform: translateY(0);
  }

  .scroll-progress-bar {
    height: 2px;
  }

  .hero-video-bg {
    display: none;
  }
}

@media (max-width: 480px) {
  .reveal-3d,
  .reveal-slide-left,
  .reveal-slide-right,
  .reveal-spring {
    transform: translateY(16px);
    transition-duration: 0.35s;
  }

  .reveal-3d.is-visible,
  .reveal-slide-left.is-visible,
  .reveal-slide-right.is-visible,
  .reveal-spring.is-visible {
    transform: translateY(0);
  }
}

/* ═══════════════════════════════════════════
   HERO ILLUSTRATION — float + parallax
   ═══════════════════════════════════════════ */
.hero-illustration-float {
  animation: heroFloat 5s ease-in-out infinite;
}

@keyframes heroFloat {
  0%, 100% { transform: translateY(0); }
  30% { transform: translateY(-8px); }
  60% { transform: translateY(-4px); }
}

.hero-image-placeholder {
  transition: transform 0.1s linear, box-shadow 0.3s ease, border-color 0.3s ease;
}

.hero-image-placeholder:hover {
  transform: translateY(-4px) scale(1.02) !important;
  box-shadow: 0 12px 32px rgba(252, 104, 0, 0.1);
  border-color: rgba(252, 104, 0, 0.25);
}

/* ═══════════════════════════════════════════
   CARD HOVER — 3D perspective lift efekti
   ═══════════════════════════════════════════ */
.product-card,
.e-devlet-card,
.solution-card,
.testimonial-card {
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1),
              box-shadow 0.35s ease,
              border-color 0.35s ease;
  cursor: pointer;
}

/* Masaüstü: 3D perspektifli hover */
@media (min-width: 769px) {
  .product-card:hover,
  .e-devlet-card:hover,
  .solution-card:hover {
    transform: perspective(800px) translateZ(20px) translateY(-6px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.1);
    border-color: rgba(252, 104, 0, 0.3);
  }

  .testimonial-card:hover {
    transform: perspective(800px) translateZ(12px) translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
  }

  

  
}

/* ═══════════════════════════════════════════
   HERO ORB — subtle drift
   ═══════════════════════════════════════════ */
.hero::after {
  animation: orbDrift 8s ease-in-out infinite;
}

@keyframes orbDrift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(20px, -10px) scale(1.05); }
  50% { transform: translate(-10px, -20px) scale(0.95); }
  75% { transform: translate(-20px, 10px) scale(1.02); }
}

/* ═══════════════════════════════════════════
   MOBILE — parallax, 3D ve ağır hover devre dışı
   ═══════════════════════════════════════════ */
@media (max-width: 768px) {
  .hero-image-placeholder {
    transition: transform 0s !important;
  }

  .hero-image-placeholder:hover {
    transform: none !important;
    box-shadow: none !important;
  }

  /* Mobil: 3D perspective kaldır, hafif lift koru */
  .product-card:hover,
  .e-devlet-card:hover,
  .solution-card:hover {
    transform: translateY(-3px) !important;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06) !important;
  }

  .testimonial-card:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.04) !important;
  }

  .hero-illustration-float {
    animation: none;
  }
}

/* ═══════════════════════════════════════════
   RELATED PRODUCTS GRID (ürün sayfaları)
   ═══════════════════════════════════════════ */

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.related-card-new {
  display: block;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  text-decoration: none;
  color: var(--text);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.related-card-new h4 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--primary);
}

.related-card-new p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-light);
  margin-bottom: 16px;
}

.related-card-new .related-cta {
  font-size: 14px;
  font-weight: 500;
  color: var(--accent);
}

/* Kart hover — yukarı kalkma */
.hover-lift:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.1);
}

/* Kart içi fare takipli turuncu ışık */
.card-shine {
  position: relative;
  overflow: hidden;
}
.card-shine .shine-glow {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(252,104,0,0.22) 0%, rgba(252,104,0,0.08) 40%, transparent 70%);
  width: 280px;
  height: 280px;
  pointer-events: none;
  z-index: 1;
  opacity: 0;
  transform: translate(-50%, -50%);
  transition: opacity 0.25s ease;
}
.card-shine:hover .shine-glow {
  opacity: 1;
}

.related-hidden {
  /* JS ile display:none yapılır, başlangıçta görünmez */
}

.related-show-more {
  text-align: center;
  margin-top: 32px;
}

.related-show-more .btn {
  padding: 12px 32px;
  font-size: 15px;
}

@media (max-width: 900px) {
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
    max-width: 600px;
  }
}

@media (max-width: 600px) {
  .related-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
  }
}

/* ── Product card reveal/collapse (used by related products on product pages) ── */
@keyframes productReveal {
  from { opacity: 0; transform: perspective(800px) translateZ(-40px) translateY(24px); }
  to   { opacity: 1; transform: perspective(800px) translateZ(0) translateY(0); }
}
@keyframes productCollapse {
  from { opacity: 1; transform: perspective(800px) translateZ(0) translateY(0); }
  to   { opacity: 0; transform: perspective(800px) translateZ(-30px) translateY(16px); }
}
@keyframes productRevealSimple {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes productCollapseSimple {
  from { opacity: 1; transform: translateY(0); }
  to   { opacity: 0; transform: translateY(12px); }
}