/* Lami Mimarlık & Mühendislik Özel Stilleri */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Cinzel:wght@500;600;700;800;900&display=swap');

:root {
  --primary-gold: #C5A880;
  --primary-gold-light: #E0C9A6;
  --primary-gold-dark: #A4845C;
  --dark-bg: #0B0F17;
  --dark-surface: #121824;
  --dark-card: #182030;
  --dark-border: rgba(197, 168, 128, 0.15);
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--dark-bg);
  color: #E2E8F0;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

.font-cinzel {
  font-family: 'Cinzel', serif;
}

/* Altın Vurgulu Gradyanlar */
.text-gold-gradient {
  background: linear-gradient(135deg, #FFF1D6 0%, #C5A880 50%, #A4845C 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.bg-gold-gradient {
  background: linear-gradient(135deg, #C5A880 0%, #A4845C 100%);
}

.bg-gold-gradient-hover:hover {
  background: linear-gradient(135deg, #D4B991 0%, #B5956D 100%);
}

.border-gold-subtle {
  border-color: rgba(197, 168, 128, 0.2);
}

.border-gold-glow:hover {
  border-color: rgba(197, 168, 128, 0.6);
  box-shadow: 0 0 25px rgba(197, 168, 128, 0.15);
}

/* Glassmorphism */
.glass-nav {
  background: rgba(11, 15, 23, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(197, 168, 128, 0.12);
}

.glass-card {
  background: rgba(18, 24, 36, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(197, 168, 128, 0.12);
}

.glass-card-hover {
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.glass-card-hover:hover {
  transform: translateY(-6px);
  background: rgba(24, 32, 48, 0.85);
  border-color: rgba(197, 168, 128, 0.35);
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.5), 0 0 20px -5px rgba(197, 168, 128, 0.15);
}

/* Hero Background Glow */
.hero-glow {
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(197, 168, 128, 0.12) 0%, rgba(11, 15, 23, 0) 70%);
  pointer-events: none;
  z-index: 1;
}

/* Galeri Hover Efektleri */
.gallery-img-container {
  overflow: hidden;
  position: relative;
}

.gallery-img-container img {
  transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-img-container:hover img {
  transform: scale(1.06);
}

/* Lightbox Modal */
.lightbox-backdrop {
  background: rgba(5, 7, 11, 0.95);
  backdrop-filter: blur(20px);
}

/* Özel Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #0B0F17;
}

::-webkit-scrollbar-thumb {
  background: #242E42;
  border-radius: 4px;
  border: 1px solid rgba(197, 168, 128, 0.2);
}

::-webkit-scrollbar-thumb:hover {
  background: #C5A880;
}

/* Animasyonlar */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

.animate-float {
  animation: float 4s ease-in-out infinite;
}

/* ========================================================================= */
/* SİNEMATİK SAYFA VE BÖLÜM GEÇİŞ ANİMASYONLARI (PAGE TRANSITIONS) */
/* ========================================================================= */

/* Sayfa Geçiş Perdesi (Golden Transition Curtain) */
#page-transition-overlay {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at center, rgba(24, 32, 48, 0.96) 0%, rgba(7, 10, 15, 0.98) 100%);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  z-index: 9999;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  items-center: center;
  justify-content: center;
}

#page-transition-overlay.active {
  opacity: 1;
  pointer-events: all;
}

/* Bölüm Açılış & Odaklanma Animasyonu */
@keyframes sectionPageOpen {
  0% {
    opacity: 0.2;
    transform: translateY(28px) scale(0.985);
    filter: blur(6px);
  }
  50% {
    box-shadow: 0 0 60px -10px rgba(197, 168, 128, 0.25);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
    box-shadow: none;
  }
}

.section-page-open {
  animation: sectionPageOpen 0.75s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Başlık Işıma Vurgusu */
@keyframes titleGlowPulse {
  0% {
    text-shadow: 0 0 0 rgba(197, 168, 128, 0);
  }
  50% {
    text-shadow: 0 0 35px rgba(197, 168, 128, 0.8), 0 0 15px rgba(255, 241, 214, 0.6);
  }
  100% {
    text-shadow: 0 0 0 rgba(197, 168, 128, 0);
  }
}

.title-glow-active {
  animation: titleGlowPulse 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Menü Aktif Gösterge Çizgisi */
.nav-link {
  position: relative;
  transition: color 0.3s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, #C5A880, #FFF1D6);
  box-shadow: 0 0 10px #C5A880;
  transition: width 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  border-radius: 2px;
}

.nav-link.active-nav::after,
.nav-link:hover::after {
  width: 100%;
}

.nav-link.active-nav {
  color: #C5A880 !important;
}