/* ---------- Nav aksiyonları: dil + tema toggle ---------- */
.nav-actions { display: flex; align-items: center; gap: var(--space-2); margin-left: var(--space-2); }
.lang-toggle, .theme-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  height: 40px; border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  color: var(--color-ink-soft);
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-out), background var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out);
}
.lang-toggle:hover, .theme-toggle:hover { background: var(--color-surface-alt); color: var(--color-ink); transform: translateY(-1px); }
.lang-toggle { padding: 0 14px; font-weight: 800; font-size: 12px; letter-spacing: .04em; gap: 4px; }
.lang-toggle span { opacity: .4; }
.lang-toggle[data-lang="tr"] .lang-tr, .lang-toggle[data-lang="en"] .lang-en { opacity: 1; color: var(--color-brand-coral); }
.theme-toggle { width: 40px; padding: 0; }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .icon-sun { display: none; }
.theme-toggle.is-dark .icon-moon { display: none; }
.theme-toggle.is-dark .icon-sun { display: block; }

@media (max-width: 900px) {
  .nav-actions { margin-left: auto; }
}

/* ---------- Cursor glow + click ripple ---------- */
.cursor-glow {
  position: fixed; left: 0; top: 0;
  width: 560px; height: 560px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 40;
  opacity: 0;
  background: radial-gradient(circle, rgba(254,192,26,.20) 0%, rgba(252,176,63,.16) 32%, rgba(255,122,69,.10) 52%, transparent 74%);
  filter: blur(34px);
  mix-blend-mode: var(--cursor-blend, soft-light);
  transition: opacity .25s ease, filter .2s ease;
  will-change: transform, opacity;
}
:root[data-theme="dark"] .cursor-glow { --cursor-blend: screen; }
.cursor-glow.is-active { opacity: .5; }
.cursor-glow.is-clicked { opacity: .8; filter: blur(26px); }

.click-ripple {
  position: fixed;
  width: 14px; height: 14px;
  border-radius: 50%;
  left: 0; top: 0;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 41;
  border: 2px solid var(--color-brand-coral);
  background: radial-gradient(circle, rgba(254,192,26,.35), transparent 70%);
  animation: rk-ripple .55s var(--ease-out) forwards;
}
@keyframes rk-ripple {
  from { width: 14px; height: 14px; opacity: .9; }
  to { width: 90px; height: 90px; opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .cursor-glow { transition: none; }
  .click-ripple { animation-duration: .01ms; }
}

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .6s var(--ease-out), transform .6s var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
}
.reveal.in-view { opacity: 1; transform: none; }
.reveal-group > .reveal:nth-child(1) { --reveal-delay: 0ms; }
.reveal-group > .reveal:nth-child(2) { --reveal-delay: 70ms; }
.reveal-group > .reveal:nth-child(3) { --reveal-delay: 140ms; }
.reveal-group > .reveal:nth-child(4) { --reveal-delay: 210ms; }
.reveal-group > .reveal:nth-child(5) { --reveal-delay: 280ms; }
.reveal-group > .reveal:nth-child(6) { --reveal-delay: 350ms; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- Giriş animasyonu / preloader ---------- */
body.rk-loading { overflow: hidden; }
.rk-preloader {
  position: fixed; inset: 0; z-index: 9999;
  display: grid; place-items: center;
  overflow: hidden;
}
.rk-preloader.is-done { pointer-events: none; }

.rk-curtain-l, .rk-curtain-r {
  position: absolute; top: 0; bottom: 0; width: 50%;
  background:
    radial-gradient(circle at 50% 45%, rgba(254,192,26,.16), transparent 40%),
    var(--color-bg);
  z-index: 1;
  overflow: hidden;
}
.rk-curtain-l { left: 0; }
.rk-curtain-r { right: 0; }
/* Işık çizgisi (weave) süsü — ekstra HTML gerektirmeden ::after ile, merkezden dışa
   simetrik olarak beliriyor, giriş animasyonuna incelik katıyor. */
.rk-curtain-l::after, .rk-curtain-r::after {
  content: ""; position: absolute; top: 50%; width: 160%; height: 2px;
  background: linear-gradient(90deg, transparent, rgba(254,192,26,.55), rgba(255,122,69,.4), transparent);
  filter: blur(.5px);
  opacity: 0;
  animation: rk-weave-in 1.1s .3s cubic-bezier(.16,1,.3,1) both;
}
.rk-curtain-l::after { right: -10%; transform: rotate(-8deg); transform-origin: right center; }
.rk-curtain-r::after { left: -10%; transform: rotate(-8deg); transform-origin: left center; }
@keyframes rk-weave-in {
  from { opacity: 0; clip-path: inset(0 100% 0 0); }
  60% { opacity: 1; }
  to { opacity: .8; clip-path: inset(0 0 0 0); }
}
.rk-preloader.is-done .rk-curtain-l { animation: rk-curtain-l-out .85s .18s cubic-bezier(.65,0,.35,1) forwards; }
.rk-preloader.is-done .rk-curtain-r { animation: rk-curtain-r-out .85s .18s cubic-bezier(.65,0,.35,1) forwards; }
@keyframes rk-curtain-l-out { to { transform: translateX(-100%); } }
@keyframes rk-curtain-r-out { to { transform: translateX(100%); } }

.rk-preloader-shell {
  position: relative; z-index: 2;
  display: grid; place-items: center; gap: var(--space-4);
  animation: rk-shell-intro 1s cubic-bezier(.16,1,.3,1) both;
}
@keyframes rk-shell-intro {
  from { opacity: 0; transform: scale(.82) translateY(22px); filter: blur(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); filter: blur(0); }
}
/* ÖNEMLİ: çıkışta transition DEĞİL, ayrı bir animation kullanılıyor — "both" fill-mode'lu
   giriş animasyonu bir property'yi kalıcı olarak "sahiplendiği" için transition hiç
   tetiklenmiyordu ve logo intro bitince solmadan ekranda asılı kalıyordu (bulunan bug). */
.rk-preloader.is-done .rk-preloader-shell {
  animation: rk-shell-exit .45s ease forwards;
}
@keyframes rk-shell-exit {
  from { opacity: 1; transform: scale(1) translateY(0); filter: blur(0); }
  to { opacity: 0; transform: scale(.9) translateY(-6px); filter: blur(6px); }
}

/* Perde açılırken merkezden yayılan kısa bir ışık patlaması — "smooth" hissi güçlendirir. */
.rk-preloader::before {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: radial-gradient(circle at 50% 50%, rgba(254,192,26,.35), transparent 60%);
  opacity: 0;
}
.rk-preloader.is-done::before { animation: rk-flash .6s .2s ease-out forwards; }
@keyframes rk-flash { 0% { opacity: 0; } 35% { opacity: .8; } 100% { opacity: 0; } }

.rk-preloader-halo {
  position: absolute; width: 220px; aspect-ratio: 1; border-radius: 50%;
  border: 1px solid rgba(254,192,26,.4);
  animation: rk-halo-spin 5s cubic-bezier(.45,.05,.15,1) infinite;
}
.rk-preloader-halo.o2 { width: 156px; border-color: rgba(255,122,69,.45); animation-direction: reverse; }
.rk-preloader-halo.o3 { width: 288px; border-style: dashed; border-color: rgba(252,176,63,.32); animation-duration: 7.2s; }
.rk-preloader-logo { position: relative; width: min(170px, 40vw); filter: drop-shadow(0 0 22px rgba(254,192,26,.4)); animation: rk-logo-float 2.8s cubic-bezier(.45,0,.55,1) infinite; }
.rk-preloader-bar { position: relative; width: min(200px, 48vw); height: 4px; border-radius: var(--radius-pill); background: var(--color-border); overflow: hidden; }
.rk-preloader-bar i { display: block; height: 100%; width: 0%; background: linear-gradient(90deg, var(--color-brand-yellow), var(--color-brand-coral)); box-shadow: 0 0 10px rgba(254,192,26,.5); transition: width .3s cubic-bezier(.16,1,.3,1); }

@keyframes rk-halo-spin { to { transform: rotate(360deg); } }
@keyframes rk-logo-float { 50% { transform: translateY(-7px); } }

/* Sayfa içi hızlı geçiş (aynı oturumda ikinci+ sayfa ziyareti): süslemesiz, kısa. */
.rk-preloader.is-quick .rk-preloader-shell,
.rk-preloader.is-quick .rk-preloader-halo { display: none; }
.rk-preloader.is-quick { transition: opacity .28s ease; }
.rk-preloader.is-quick.is-done { opacity: 0; }
.rk-preloader.is-quick .rk-curtain-l,
.rk-preloader.is-quick .rk-curtain-r { animation: none; }

@media (prefers-reduced-motion: reduce) {
  .rk-preloader-halo, .rk-preloader-logo { animation: none; }
  .rk-preloader.is-done .rk-curtain-l,
  .rk-preloader.is-done .rk-curtain-r { animation: none; }
  .rk-preloader { transition: opacity .3s ease; }
  .rk-preloader.is-done { opacity: 0; }
}