/* ==========================================================================
   PROJECT: Kardan Adam - Global SaaS Architecture
   AUTHOR: Ruşen Topçu
   SECTION 1: Core, Navbar, Main Card, Control Panel, Grid Gallery
   ========================================================================== */

/* --- 1. CORE & RESET (Temel Sayfa Ayarları) --- */
html, body {
  padding: 0;
  margin: 0;
  min-height: 100vh;
  background-color: #0b0c10;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  box-sizing: border-box;
}

/* --- 2. FIXED NAVBAR STYLES (Üst Menü Düzeni) --- */
div.navbar {
  background-color: rgb(146, 78, 208);
  padding: 10px 24px;
  position: fixed;
  top: 0; left: 0; width: 100%;
  box-sizing: border-box;
  z-index: 9999;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

div.navbar img, #navbar-contact-btn {
  width: 70px;
  height: auto;
  filter: contrast(.8) brightness(.6);
  transition: filter 0.2s ease;
}

div.navbar img:hover, #navbar-contact-btn:hover {
  filter: contrast(.9) brightness(.9);
}

.nav-sol, .nav-sag {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* --- 3. MAIN CARRIER (Uygulama Konteyneri) --- */
.Uygulama-Konteyner {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 60px;
  min-height: 100vh;
  max-width: 1200px;
  margin: 0 auto;
  padding: 110px 24px 40px 24px; /* Küresel standardımız olan 24px kenar çizgisine masaüstünde de eşitledik */
  box-sizing: border-box;
}

/* --- 4. 3D OVIPAROUS CARD (Büyük Odak Kartı - Taşma Korumalı) --- */
.bilgi-karti-3d {
  width: 440px;
  height: 540px;
  perspective: 2500px;
  flex-shrink: 0;
}

.kart-ic-yapi {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  border-radius: 28px;
  box-shadow: 0 0 20px rgba(118, 75, 162, 0.15);
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease;
}

.kart-ic-yapi.donuyor {
  box-shadow: 0 0 50px rgba(102, 126, 234, 0.6), 0 0 100px rgba(118, 75, 162, 0.4);
}

.bilgi-karti-3d.cevrildi .kart-ic-yapi {
  transform: rotateY(180deg);
}

.kart-on, .kart-arka {
  position: absolute;
  width: 100%; height: 100%;
  backface-visibility: hidden;
  border-radius: 28px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
}

.kart-on {
  background: linear-gradient(135deg, #1f1c2c 0%, #928dab 100%);
  background-size: cover;
  background-position: center;
  color: white;
  overflow: hidden;
}

/* SİNEMATİK OVERLAY: İçerideki o gözü yoran inatçı border kuralı tamamen kazındı */
/* SİNEMATİK OVERLAY: İçteki o garip sıkışmış dikdörtgeni yok eder, tüm kartı pürüzsüz kaplar */
.kart-sinematik-overlay {
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.65);
  padding: 30px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: absolute; /* İÇTEKİ KUTUYU KARTIN DIŞ SINIRLARINA SIFIRA SIFIR MIHLAR */
  top: 0;
  left: 0;
}


.kart-etiket-ust {
  font-size: 11px;
  font-weight: 800;
  background: linear-gradient(90deg, #ff007f, #764ba2);
  padding: 6px 14px;
  border-radius: 20px;
  letter-spacing: 1px;
  margin: 0 auto;
  width: max-content;
  box-shadow: 0 4px 10px rgba(255, 0, 127, 0.3);
}

.kart-sinematik-alt-alan {
  display: flex;
  flex-direction: column;
  gap: 15px;
  width: 100%;
  flex-grow: 1;
  justify-content: center;
}

.kart-soru {
  font-size: 19px;
  line-height: 1.5;
  text-align: center;
  margin: 0 0 10px 0;
  font-weight: 700;
  text-shadow: 0 2px 4px rgba(0,0,0,0.8);
}

.kart-ipucu {
  font-size: 12px;
  text-align: center;
  opacity: 0.6;
  letter-spacing: 0.5px;
  margin: 0;
}

.kart-arka {
  background: #15161e;
  color: #fff;
  transform: rotateY(180deg);
  border: 2px solid #764ba2;
  padding: 45px;
  justify-content: space-between;
}

.kart-icerik-arka h3 {
  color: #00f2fe;
  font-size: 26px;
  margin: 0 0 15px 0;
  text-shadow: 0 0 10px rgba(0, 242, 244, 0.4);
  text-align: center;
}

.kart-icerik-arka p {
  font-size: 15px;
  color: #a0aec0;
  line-height: 1.6;
  margin: 0;
  text-align: center;
}

.kart-aksiyonlar {
  display: flex;
  gap: 12px;
  margin-top: auto;
  padding-top: 15px;
}

.kart-btn {
  flex: 1;
  padding: 12px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.05);
  border-radius: 12px;
  cursor: pointer;
  font-weight: bold;
  color: #edf2f7;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}


.kart-btn:hover {
  background: #764ba2;
  color: white;
  box-shadow: 0 0 15px rgba(118, 75, 162, 0.5);
}

/* --- 5. CONTROL CENTER STYLES (Kontrol Paneli) --- */
.kontrol-merkezi {
  display: flex;
  flex-direction: column;
  gap: 30px;
  width: 100%;
  max-width: 360px;
  margin: 0;
  padding: 10px;
  box-sizing: border-box;
}

.kontrol-grup {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.kontrol-etiket {
  font-size: 11px;
  font-weight: 700;
  color: #a0aec0;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.dil-butonlari {
  display: flex;
  background-color: #15161e;
  border: 1px solid rgba(255,255,255,0.1);
  padding: 4px;
  border-radius: 14px;
}

.dil-btn {
  flex: 1;
  background: none;
  border: none;
  padding: 14px 15px;
  font-size: 14px;
  font-weight: 700;
  color: #a0aec0;
  cursor: pointer;
  border-radius: 10px;
  transition: all 0.3s ease;
}

.dil-btn.aktif {
  background-color: #764ba2;
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(118, 75, 162, 0.4);
}

.rastgele-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(135deg, #ff007f 0%, #764ba2 100%);
  border: none;
  color: white;
  padding: 18px 20px;
  font-size: 15px;
  font-weight: 800;
  border-radius: 14px;
  cursor: pointer;
  box-shadow: 0 8px 25px rgba(255, 0, 127, 0.3);
  transition: all 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* --- 6. CATEGORY FILTER SHIELD (Filtre Şeridi) --- */
.galeri-filtre-merkezi {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin: 60px auto 20px auto;
  max-width: 1200px;
  padding: 0 20px;
  box-sizing: border-box;
}

.filtre-btn {
  padding: 12px 24px;
  background: #15161e;
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #a0aec0;
  border-radius: 30px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.3s ease;
}

.filtre-btn:hover, .filtre-btn.aktif {
  color: white;
  background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(118, 75, 162, 0.4);
}

/* --- 7. GRID GALLERY POOL (Alt Küçük Kart Havuzu) --- */
.galeri-havuzu {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0;
  box-sizing: border-box;
  width: 100%;
  justify-content: center;
}

.galeri-karti {
  perspective: 2500px;
  background: transparent;
  border: none;
  box-shadow: none;
  width: 440px;  
  height: 540px; 
  max-width: 100%;
  opacity: 1;
  transform: scale(1) translateY(0);
  transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.4s ease, visibility 0.4s;
  visibility: visible;
}

.galeri-karti.gizli {
  opacity: 0;
  transform: scale(0.2) translateY(150px) rotate(20deg);
  visibility: hidden;
  position: absolute;
  pointer-events: none;
}

.galeri-karti-ic {
  width: 100%; height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.galeri-karti-ic.cevrildi {
  transform: rotateY(180deg);
}

.galeri-karti-on, .galeri-karti-arka {
  position: absolute;
  width: 100%; height: 100%;
  backface-visibility: hidden;
  border-radius: 28px;
  background: #15161e;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 12px 25px rgba(0,0,0,0.4);
  box-sizing: border-box;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.galeri-karti-gorsel {
  height: 65%;
  background-size: cover;
  background-position: top center;
  background-repeat: no-repeat;
  filter: brightness(0.7);
  width: 100%;
  display: block;
}

.galeri-karti-icerik {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  color: white;
}

.galeri-karti-etiket {
  font-size: 11px;
  color: #667eea;
  font-weight: 800;
  text-transform: uppercase;
}

.galeri-karti-icerik h4 {
  margin: 0;
  font-size: 18px;
  line-height: 1.4;
  font-weight: 600;
  color: #ffffff; /* İŞTE NOKTA ATIŞI ÇÖZÜM: Metni jilet gibi beyaz renge kilitler */
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.9); /* Resmin üzerinde yazı parlasın diye keskin sinematik gölge ekledik */
}

.galeri-karti-arka {
  transform: rotateY(180deg);
  background: #0f1016;
  border: 1px solid #764ba2;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 35px;
}


/* ==========================================================================
   SECTION 2: Dynamic Poll, Responsive Engine, Gallery Card 3D, Modals
   ========================================================================== */

/* --- 8. DYNAMIC POLL STYLES (Anket Seçenekleri ve Sonuç Barları) --- */
.anket-secenekleri-alani, .anket-sonuc-alani { 
  display: none; 
}

.kart-tur-anket .anket-secenekleri-alani { 
  display: flex; 
  flex-direction: column; 
  gap: 10px; 
  width: 100%; 
  margin-top: 15px; 
}

.kart-tur-anket .anket-sonuc-alani { 
  display: flex; 
  flex-direction: column; 
  gap: 12px; 
  margin-top: 20px; 
}

.anket-opsiyon-btn { 
  width: 100%; 
  padding: 14px 20px; 
  background: rgba(255, 255, 255, 0.1); 
  border: 1px solid rgba(255, 255, 255, 0.2); 
  color: white; 
  border-radius: 12px; 
  cursor: pointer; 
  font-size: 15px; 
  font-weight: 600; 
  transition: all 0.2s ease; 
  text-align: left; 
}

.anket-opsiyon-btn:hover { 
  background: rgba(255, 255, 255, 0.25); 
  transform: translateX(5px); 
  border-color: #00f2fe; 
}

.sonuc-bar { 
  background: rgba(255, 255, 255, 0.05); 
  border: 1px solid rgba(255, 255, 255, 0.1); 
  border-radius: 8px; 
  position: relative; 
  overflow: hidden; 
  padding: 10px; 
}

.sonuc-bar::before { 
  content: ''; 
  position: absolute; 
  top: 0; left: 0; 
  height: 100%; width: var(--yuzde); 
  background: linear-gradient(90deg, rgba(118, 75, 162, 0.4), rgba(0, 242, 254, 0.4)); 
  z-index: 1; 
  transition: width 1s ease-in-out; 
}

.sonuc-bar span { 
  position: relative; 
  z-index: 2; 
  font-size: 14px; 
  font-weight: 600; 
}


/* --- 9. RESPONSIVE ENGINE (Telefon ve Tablet Duyarlılık Ayarları) --- */
@media (max-width: 900px) {
  .Uygulama-Konteyner {
    flex-direction: column;
    gap: 40px;
    padding: 110px 20px 40px 20px;
  }
  .kontrol-merkezi {
    max-width: 440px;
  }
  .galeri-filtre-merkezi {
    justify-content: flex-start;
    overflow-x: auto;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    padding: 15px 20px 15px 60px;
    margin-top: 30px;
  }
  .galeri-filtre-merkezi::-webkit-scrollbar {
    display: none;
  }
}

@media (max-width: 480px) {
  .Uygulama-Konteyner {
    padding: 95px 0 20px 0;
    gap: 30px;
  }
  
  /* İŞTE KRİTİK DÜZELTME: Üst kartın 360px engelini kaldırıp, alt kart gibi %100 ekrana yayılmasını sağladık */
  .bilgi-karti-3d {
    width: 100%;
    max-width: 100%; 
    height: 540px; /* Telefon ekranında da dikey boyutu 540px sinematik standarda kilitledik */
  }
  
  .kart-on, .kart-arka {
    padding: 35px;
  }
  
  .galeri-havuzu {
    padding: 0;
    gap: 30px;
    grid-template-columns: repeat(auto-fit, minmax(100%, 1fr));
  }
}

/* --- 10. GALLERY CARD 3D FLIP (Alt Kartların Gelişmiş 3D Mimarisi) --- */
.galeri-karti {
  perspective: 2500px;
  background: transparent;
  border: none;
  box-shadow: none;
  height: 540px; 
  width: 440px;  
  max-width: 100%;
  border-radius: 28px;
}

.galeri-karti-ic {
  width: 100%; height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.galeri-karti-ic.cevrildi {
  transform: rotateY(180deg);
}

.galeri-karti-on, .galeri-karti-arka {
  position: absolute;
  width: 100%; height: 100%;
  backface-visibility: hidden;
  border-radius: 28px;
  background: #15161e;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 12px 25px rgba(0,0,0,0.4);
  box-sizing: border-box;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.galeri-karti-arka {
  transform: rotateY(180deg);
  background: #0f1016;
  border: 1px solid #764ba2;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 35px;
}

/* --- 11. MODAL & FORM STYLES (Sign In & Global Auth Görünümleri) --- */
.modern-modal {
  display: none;
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background-color: rgba(11, 12, 16, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 10000;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
}

.modern-modal.aktif { 
  display: flex; 
}

.modal-cam-icerik {
  background: rgba(21, 22, 30, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  width: 100%; max-width: 400px;
  padding: 35px;
  box-sizing: border-box;
  position: relative;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 40px rgba(118, 75, 162, 0.15);
  animation: modalAcilis 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes modalAcilis {
  from { transform: scale(0.85); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-kapat-btn {
  position: absolute;
  top: 12px; right: 16px;
  background: none; border: none;
  color: #a0aec0; font-size: 28px; cursor: pointer;
  transition: color 0.2s;
  z-index: 10; /* Diğer elemanların üzerine basmaması için emniyet katmanı */
}
.modal-kapat-btn:hover { 
  color: #ff007f; 
}

.modal-baslik {
  color: #ffffff; font-size: 24px; font-weight: 800;
  margin: 0 0 8px 0; text-align: center; letter-spacing: 0.5px;
}
.modal-alt-yazi {
  color: #a0aec0; font-size: 13px; text-align: center; margin: 0 0 25px 0;
}

.sosyal-btn {
  width: 100%; padding: 14px;
  background: #ffffff; border: none; border-radius: 12px;
  color: #15161e; font-weight: 700; font-size: 15px;
  cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 12px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.sosyal-btn:hover { 
  transform: translateY(-2px); box-shadow: 0 5px 15px rgba(255,255,255,0.2); 
}
.sosyal-btn img { 
  width: 20px; height: 20px; 
}

.modal-ayrac {
  text-align: center; margin: 20px 0; position: relative; color: #a0aec0; font-size: 12px;
}
.modal-ayrac::before, .modal-ayrac::after {
  content: ''; position: absolute; top: 50%; width: 42%; height: 1px; background: rgba(255,255,255,0.1);
}
.modal-ayrac::before { left: 0; } .modal-ayrac::after { right: 0; }

.modal-girdi {
  width: 100%; padding: 14px; margin-bottom: 15px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px; color: #ffffff; font-size: 14px;
  box-sizing: border-box; transition: border-color 0.2s;
}
.modal-girdi:focus { 
  border-color: #764ba2; outline: none; background: rgba(255, 255, 255, 0.07); 
}

.modal-alt-baslik {
  color: #00f2fe; font-size: 14px; font-weight: 700; margin: 0 0 15px 0; letter-spacing: 0.5px;
}

.modal-ana-btn {
  width: 100%; padding: 14px;
  background: linear-gradient(135deg, #ff007f 0%, #764ba2 100%);
  border: none; border-radius: 12px; color: white; font-weight: 700; font-size: 15px;
  cursor: pointer; transition: all 0.2s;
}

/* --- 12. NAVBAR ACTION UTILITIES (Profil & Giriş Simgeleri) --- */
.nav-auth-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  color: #ffffff;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  letter-spacing: 0.5px;
}

.nav-auth-btn:hover {
  background: linear-gradient(135deg, #ff007f 0%, #764ba2 100%);
  border-color: transparent;
  box-shadow: 0 0 15px rgba(255, 0, 127, 0.4);
  transform: translateY(-1px);
}

.login-ikon {
  transition: transform 0.2s;
}

.nav-auth-btn:hover .login-ikon {
  transform: scale(1.1);
}

/* --- 13. NAVBAR ACTION BUTTONS (Bağımsız Simge Link Butonları) --- */
.nav-link-btn {
  background: none; 
  border: none;
  color: #a0aec0; 
  font-size: 13px; 
  font-weight: 700;
  cursor: pointer; 
  padding: 8px 12px; 
  transition: color 0.2s;
  letter-spacing: 0.5px;
}

.nav-link-btn:hover { 
  color: #00f2fe; 
}