/* ─────────────────────────
   SLIDER WRAPPER
───────────────────────── */
.slider {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  background: #0a1628;
}

/* ─────────────────────────
   SLIDES
───────────────────────── */
.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden; /* Sadece pointer-events değil, tamamen gizle */
  z-index: 1;
  transition: opacity 0.9s ease, visibility 0.9s;
}

.slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 5;
}

/* Görsel katmanı */
.slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transform: scale(1.08);
  transition: transform 7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: transform;
}

.slide.active .slide-bg {
  transform: scale(1);
}

/* Gradient overlay */
.slide-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      to right,
      rgba(10, 22, 40, 0.75) 0%,
      rgba(10, 22, 40, 0.35) 55%,
      rgba(10, 22, 40, 0.1) 100%
    ),
    linear-gradient(
      to top,
      rgba(10, 22, 40, 0.6) 0%,
      transparent 50%
    );
}

/* ─────────────────────────
   SLIDE İÇERİK
───────────────────────── */
.slide-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 10vw;
  padding-bottom: 80px;
}

/* Numara */
.slide-number {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 20px;

  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease 0.2s, transform 0.6s ease 0.2s;
}

/* Kategori etiketi */
.slide-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: #4fa3e0;
  background: rgba(79, 163, 224, 0.15);
  border: 1px solid rgba(79, 163, 224, 0.3);
  padding: 7px 16px;
  border-radius: 100px;
  width: fit-content;
  margin-bottom: 20px;

  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease 0.35s, transform 0.65s ease 0.35s;
}

.slide-tag::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: #4fa3e0;
  flex-shrink: 0;
}

/* Başlık */
.slide-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(38px, 5.5vw, 80px);
  font-weight: 800;
  color: #ffffff;
  line-height: 1.0;
  max-width: 660px;
  margin-bottom: 18px;

  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease 0.5s, transform 0.7s ease 0.5s;
}

.slide-title span {
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(255,255,255,0.45);
}

/* Açıklama */
.slide-desc {
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  font-weight: 300;
  color: rgba(255,255,255,0.55);
  line-height: 1.8;
  max-width: 380px;
  margin-bottom: 36px;

  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease 0.65s, transform 0.65s ease 0.65s;
}

/* CTA */
.slide-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: #ffffff;
  background: #1a5fad;
  padding: 13px 28px;
  border-radius: 8px;
  width: fit-content;
  box-shadow: 0 4px 20px rgba(26,95,173,0.35);
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;

  opacity: 0;
  transform: translateY(24px);
  /* Not: bu transition hem enter-animasyonu hem hover için kullanılıyor */
  transition: opacity 0.6s ease 0.8s, transform 0.6s ease 0.8s, background 0.2s, box-shadow 0.2s;
}

.slide-cta svg {
  width: 16px; height: 16px;
  stroke: currentColor; fill: none;
  stroke-width: 2; stroke-linecap: round;
  transition: transform 0.2s;
  flex-shrink: 0;
}
.slide-cta:hover { background: #2e7dd1; transform: translateY(-1px); box-shadow: 0 8px 28px rgba(26,95,173,0.45); }
.slide-cta:hover svg { transform: translateX(4px); }

/* Aktif slayt animasyonları tetiklenir */
.slide.active .slide-number,
.slide.active .slide-tag,
.slide.active .slide-title,
.slide.active .slide-desc,
.slide.active .slide-cta {
  opacity: 1;
  transform: translateY(0);
}

/* Çıkış animasyonu */
.slide.leaving .slide-number,
.slide.leaving .slide-tag,
.slide.leaving .slide-title,
.slide.leaving .slide-desc,
.slide.leaving .slide-cta {
  opacity: 0;
  transform: translateY(-16px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

/* ─────────────────────────
   FADE GEÇİŞ
───────────────────────── */
.slide {
  transition: opacity 0.9s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─────────────────────────
   ALT BAR — ilerleme + oklar
───────────────────────── */
.slider-bar {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  padding: 0 10vw 36px;
  gap: 28px;
}

/* İlerleme çubukları */
.slider-progress {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
}

.progress-item {
  position: relative;
  height: 2px;
  flex: 1;
  background: rgba(255,255,255,0.15);
  border-radius: 2px;
  overflow: hidden;
  cursor: pointer;
  transition: flex 0.3s;
}


.progress-item.active {
  flex: 3;
}

.progress-fill {
  position: absolute;
  top: 0; left: 0; bottom: 0;
  width: 0%;
  background: #ffffff;
  border-radius: 2px;
  transition: width 0.1s linear;
}

/* progress fill width artık slider.js tarafından rAF ile yönetiliyor */

/* Ok butonları */
.slider-arrows {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.slider-arrow {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(8px);
  color: rgba(255,255,255,0.8);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}

.slider-arrow svg {
  width: 18px; height: 18px;
  stroke: currentColor; fill: none;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}

.slider-arrow:hover {
  background: rgba(255,255,255,0.18);
  border-color: rgba(255,255,255,0.45);
  transform: scale(1.05);
}

/* ─────────────────────────
   SAĞ KENAR — slayt sayacı
───────────────────────── */
.slider-counter {
  position: absolute;
  right: 52px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.counter-current {
  font-family: 'Syne', sans-serif;
  font-size: 32px;
  font-weight: 700;
  color: rgba(255,255,255,0.9);
  line-height: 1;
}

.counter-line {
  width: 1px;
  height: 60px;
  background: rgba(255,255,255,0.2);
}

.counter-total {
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  font-weight: 500;
  color: rgba(255,255,255,0.35);
  letter-spacing: 1px;
}

.slide.leaving {
  z-index: 4; /* Giden slayt altta kalsın */
}

/* ─────────────────────────
   GELİŞMİŞ RESPONSIVE AYARLARI
───────────────────────── */

/* Tablet ve Küçük Ekranlar (992px altı) */
@media (max-width: 992px) {
  .slide-content {
    padding: 0 40px;
    padding-bottom: 120px; /* Alttaki bar ile çakışmaması için pay */
  }

  .slide-title {
    max-width: 100%;
    font-size: clamp(34px, 7vw, 54px);
  }

  .slider-counter {
    right: 30px; /* Kenara biraz daha yaklaştırıyoruz */
  }
}

/* Mobil Cihazlar (768px altı) */
@media (max-width: 768px) {
  /* Sağdaki dikey sayacı gizle (Ekranı daraltmasın) */
  .slider-counter { 
    display: none; 
  }

  /* Alt barı (progress + oklar) düzenle */
  .slider-bar { 
    padding: 0 20px 30px; 
    gap: 15px;
  }

  .slide-content { 
    padding: 0 20px; 
    padding-bottom: 100px;
    justify-content: flex-end; /* İçeriği biraz daha aşağı yasla, görsele alan kalsın */
  }

  .slide-title { 
    font-size: 32px; 
    line-height: 1.1;
    margin-bottom: 12px;
  }

  .slide-desc {
    font-size: 14px;
    max-width: 100%;
    margin-bottom: 24px;
    /* Mobilde çok uzun metin okunmazsa 3 satıra sınırla */
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .slide-cta {
    padding: 11px 22px;
    font-size: 12px;
  }

  /* Progress barların mobilde daha belirgin olması için */
  .progress-item {
    height: 3px;
  }
}

/* Çok Küçük Ekranlar (480px altı) */
@media (max-width: 480px) {
  /* Okları kaldır, sadece progress kalsın (Yer kazanmak için) */
  .slider-arrows { 
    display: none; 
  }

  .slide-tag {
    padding: 5px 12px;
    font-size: 9px;
    letter-spacing: 2px;
  }

  .slide-title {
    font-size: 28px;
  }

  /* Mobilde arka planın çok karanlık kalmaması için overlay'i hafiflet */
  .slide-overlay {
    background: linear-gradient(
      to top,
      rgba(10, 22, 40, 0.9) 0%,
      rgba(10, 22, 40, 0.4) 100%
    );
  }
}

/* Yüksekliği kısa olan cihazlar için (Yatay telefonlar gibi) */
@media (max-height: 500px) {
  .slide-content {
    justify-content: center;
    padding-bottom: 60px;
  }
  .slide-desc { display: none; }
  .slide-title { font-size: 24px; }
}