/* ============================================================
   ANIMATIONS — Executive Grade Micro-Interactions & Scroll FX
   ============================================================ */

/* ── Temel Scroll Fade-in Efektleri ── */
.fade-in {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1), transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1), transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}
.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1), transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}
.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1), transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}
.fade-in-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* ── Ardışık Çocuk Eleman Geçişleri (Stagger) ── */
.stagger-children > * {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.stagger-children.visible > *:nth-child(1) { opacity: 1; transform: none; transition-delay: 0.05s; }
.stagger-children.visible > *:nth-child(2) { opacity: 1; transform: none; transition-delay: 0.15s; }
.stagger-children.visible > *:nth-child(3) { opacity: 1; transform: none; transition-delay: 0.25s; }
.stagger-children.visible > *:nth-child(4) { opacity: 1; transform: none; transition-delay: 0.35s; }
.stagger-children.visible > *:nth-child(5) { opacity: 1; transform: none; transition-delay: 0.45s; }
.stagger-children.visible > *:nth-child(6) { opacity: 1; transform: none; transition-delay: 0.55s; }
.stagger-children.visible > *:nth-child(7) { opacity: 1; transform: none; transition-delay: 0.65s; }
.stagger-children.visible > *:nth-child(8) { opacity: 1; transform: none; transition-delay: 0.75s; }
.stagger-children.visible > *:nth-child(9) { opacity: 1; transform: none; transition-delay: 0.85s; }

/* ── Hero Giriş Animasyonu ── */
@keyframes heroEntrance {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.hero-lead-badge        { animation: heroEntrance 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.1s both; }
.home-hero-official h1  { animation: heroEntrance 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.25s both; }
.home-hero-official h2  { animation: heroEntrance 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.4s both; }
.home-hero-official p   { animation: heroEntrance 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.55s both; }
.hero-cta-group         { animation: heroEntrance 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.7s both; }
.hero-portrait-frame    { animation: heroEntrance 1s cubic-bezier(0.16, 1, 0.3, 1) 0.4s both; }

/* ── Mühür Parlaması & Hover Shimmer ── */
@keyframes emblemGlow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(184, 0, 31, 0.5), 0 0 0 2px rgba(212, 175, 55, 0.4);
  }
  50% {
    box-shadow: 0 0 35px rgba(212, 175, 55, 0.8), 0 0 0 4px rgba(212, 175, 55, 0.8);
  }
}
.crest-emblem:hover {
  animation: emblemGlow 2s infinite ease-in-out;
  transform: scale(1.04);
}

/* ── Altın Yansıma Efekti ── */
@keyframes goldShine {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* ── Sayfa Yükleyici (Loader) ── */
.page-loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--navy-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}
.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
}
.loader-circle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--tr-red);
  border-right-color: var(--gold);
  animation: loaderSpin 0.9s linear infinite;
  box-shadow: 0 0 20px rgba(184, 0, 31, 0.4);
}
@keyframes loaderSpin {
  to { transform: rotate(360deg); }
}

/* ── Yukarı Çık Butonu ── */
.back-to-top {
  position: fixed;
  bottom: 36px;
  right: 36px;
  z-index: 990;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--tr-red) 0%, #8A0017 100%);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 25px rgba(184, 0, 31, 0.45), 0 0 0 2px rgba(212, 175, 55, 0.3);
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}
.back-to-top.visible {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}
.back-to-top:hover {
  background: linear-gradient(135deg, var(--tr-red-light) 0%, var(--tr-red) 100%);
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 12px 35px rgba(184, 0, 31, 0.6), 0 0 0 3px var(--gold);
}