/* Turuncu Temizlik — preloader
   Harici kütüphane yok. Sadece CSS. */

.preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(120% 120% at 50% 40%, #0b1a24 0%, #07131d 100%);
  opacity: 1;
  transform: scale(1);
  transition: opacity 400ms ease, transform 400ms ease;
  will-change: opacity, transform;
  /* Son güvenlik ağı: JS hiç çalışmasa/hata verse bile preloader
     6 saniye sonra kendiliğinden kaybolur, kullanıcı boş ekranda kalmaz. */
  animation: preloader-failsafe 1ms linear 6000ms forwards;
}

.preloader.is-hidden {
  opacity: 0;
  transform: scale(1.02);
  pointer-events: none;
}

.preloader__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 24px;
}

.preloader__logo-wrap {
  position: relative;
  display: grid;
  place-items: center;
  width: 132px;
  height: 132px;
}

/* Logonun çevresinde ince, yavaş dönen marka halkası */
.preloader__ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-top-color: rgba(240, 124, 31, 0.85);
  border-right-color: rgba(46, 158, 79, 0.75);
  animation: preloader-turn 3200ms linear infinite;
}

.preloader__logo {
  position: relative;
  display: block;
  width: 96px;
  height: 96px;      /* CLS yok: boyutlar sabit */
  object-fit: contain;
  /* Logo kendi ekseninde yavaşça döner — hızlı spinner değil */
  animation: preloader-turn 3200ms cubic-bezier(0.65, 0, 0.35, 1) infinite;
}

.preloader__brand {
  margin: 20px 0 0;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: #f3f6f8;
}

.preloader__tagline {
  margin: 6px 0 0;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: rgba(243, 246, 248, 0.55);
}

/* İnce ilerleme çizgisi — turuncudan yeşile kontrollü marka geçişi */
.preloader__bar {
  position: relative;
  width: 132px;
  height: 2px;
  margin-top: 26px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.preloader__bar span {
  position: absolute;
  inset: 0;
  display: block;
  border-radius: inherit;
  background: linear-gradient(90deg, #f07c1f 0%, #f5a04a 45%, #2e9e4f 100%);
  transform: translateX(-100%);
  animation: preloader-sweep 1400ms cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

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

@keyframes preloader-sweep {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

@keyframes preloader-failsafe {
  to {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
  }
}

/* Preloader açıkken sayfa kaydırması kilitli */
html.is-preloading,
body.is-preloading {
  overflow: hidden;
}

/* Oturum içinde ikinci kez gösterilmez (JS ilk boyamadan önce ekler) */
html.no-preloader .preloader {
  display: none !important;
}

/* Ekran okuyucu metni */
.preloader .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

/* Hareket azaltma tercihi — dönüş tamamen kapanır */
@media (prefers-reduced-motion: reduce) {
  .preloader {
    transition: opacity 150ms linear;
  }
  .preloader.is-hidden { transform: none; }
  .preloader__logo,
  .preloader__ring,
  .preloader__bar span {
    animation: none;
    transform: none;
  }
  .preloader__ring { border-color: rgba(255, 255, 255, 0.12); }
  .preloader__bar span { opacity: 0.6; }
}

@media (max-width: 480px) {
  .preloader__logo-wrap { width: 108px; height: 108px; }
  .preloader__logo { width: 76px; height: 76px; }
  .preloader__bar  { width: 108px; }
}