/**
 * Üst menüden site içi sayfa geçişi — “toz / parçalanma” çıkış katmanı.
 */

.nav-page-dust {
  position: fixed;
  inset: 0;
  z-index: 10100;
  pointer-events: none;
  overflow: hidden;
  opacity: 0;
  transition: opacity 0.12s ease-out;
}

.nav-page-dust.nav-page-dust--active {
  pointer-events: auto;
  opacity: 1;
}

.nav-page-dust__flash {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 55% 45% at 50% 45%, rgba(30, 41, 59, 0.14), transparent 72%);
  opacity: 0;
  animation: nav-page-dust-flash 0.75s ease-out forwards;
}

body.dark-theme .nav-page-dust__flash {
  background: radial-gradient(ellipse 55% 45% at 50% 45%, rgba(248, 250, 252, 0.1), transparent 70%);
}

@keyframes nav-page-dust-flash {
  0% {
    opacity: 0;
    transform: scale(1.05);
  }
  18% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: scale(1.2);
  }
}

.nav-page-dust__particle {
  position: absolute;
  left: 0;
  top: 0;
  border-radius: 50%;
  background: color-mix(in srgb, var(--text-color, #1c1917) 52%, transparent);
  box-shadow: 0 0 1px color-mix(in srgb, var(--text-color, #1c1917) 25%, transparent);
  opacity: 0.92;
  will-change: transform, opacity, filter;
  animation-name: nav-page-dust-drift;
  animation-timing-function: cubic-bezier(0.22, 0.82, 0.12, 1);
  animation-fill-mode: forwards;
}

body.dark-theme .nav-page-dust__particle:not(.nav-page-dust__particle--from-text) {
  background: color-mix(in srgb, var(--text-color, #e7e5e4) 42%, transparent);
  box-shadow: 0 0 1px rgba(255, 255, 255, 0.12);
}

.nav-page-dust__chunk {
  position: absolute;
  left: 0;
  top: 0;
  border-radius: 2px;
  background: color-mix(in srgb, var(--text-color, #1c1917) 18%, transparent);
  opacity: 0.55;
  will-change: transform, opacity, filter;
  animation-name: nav-page-dust-chunk;
  animation-timing-function: cubic-bezier(0.25, 0.46, 0.35, 1);
  animation-fill-mode: forwards;
}

body.dark-theme .nav-page-dust__chunk {
  background: color-mix(in srgb, var(--text-color, #e7e5e4) 14%, transparent);
}

.nav-page-dust__particle--from-text {
  border-radius: 35%;
  animation-name: nav-page-dust-text-burst;
  animation-timing-function: cubic-bezier(0.18, 0.85, 0.22, 1);
}

@keyframes nav-page-dust-drift {
  0% {
    transform: translate(0, 0) scale(1) rotate(0deg);
    opacity: 0.95;
    filter: blur(0);
  }
  100% {
    transform: translate(var(--dx, 0px), var(--dy, 0px)) scale(0) rotate(var(--rot, 180deg));
    opacity: 0;
    filter: blur(4px);
  }
}

@keyframes nav-page-dust-text-burst {
  0% {
    transform: translate(0, 0) scale(1) rotate(0deg);
    opacity: 1;
    filter: blur(0);
  }
  100% {
    transform: translate(var(--dx, 0px), var(--dy, 0px)) scale(0) rotate(var(--rot, 360deg));
    opacity: 0;
    filter: blur(5px);
  }
}

@keyframes nav-page-dust-chunk {
  0% {
    transform: translate(0, 0) scale(1) rotate(0deg);
    opacity: 0.65;
    filter: blur(0);
  }
  100% {
    transform: translate(var(--dx, 0px), var(--dy, 0px)) scale(0.2) rotate(var(--rot, -120deg));
    opacity: 0;
    filter: blur(6px);
  }
}

/* body yerine main — okuma modu / tema ile filter çakışmasın */
html.nav-page-dust-exit #main-content {
  filter: brightness(0.88) saturate(0.92);
  transition: filter 0.35s ease-out;
}

/* Anasayfa: büyük yazılar toza dönüşürken anında kaybolsun */
html.nav-page-dust-home-exit .el-hero__title,
html.nav-page-dust-home-exit .el-hero__visual-brand,
html.nav-page-dust-home-exit .el-hero__visual-tagline,
html.nav-page-dust-home-exit .el-hero__promo-text {
  opacity: 0 !important;
  visibility: hidden !important;
  transition: opacity 0.1s ease-out, visibility 0s linear 0.11s;
}

html.nav-page-dust-home-exit .el-hero__copy {
  opacity: 0.35;
  transition: opacity 0.25s ease-out;
}

@media (prefers-reduced-motion: reduce) {
  .nav-page-dust,
  .nav-page-dust__flash,
  .nav-page-dust__particle,
  .nav-page-dust__particle--from-text,
  .nav-page-dust__chunk {
    animation: none !important;
    transition: none !important;
  }

  html.nav-page-dust-exit #main-content {
    filter: none;
    transition: none;
  }

  html.nav-page-dust-home-exit .el-hero__title,
  html.nav-page-dust-home-exit .el-hero__visual-brand,
  html.nav-page-dust-home-exit .el-hero__visual-tagline,
  html.nav-page-dust-home-exit .el-hero__promo-text,
  html.nav-page-dust-home-exit .el-hero__copy {
    opacity: 1 !important;
    visibility: visible !important;
    transition: none !important;
  }
}