@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;600;700&family=Inter:wght@300;400;500;600&display=swap');

:root {
  /* Renk Paleti - Gotik, Koyu Mor Teması */
  --bg-main: #0a0310;
  --bg-card: rgba(21, 10, 33, 0.85); /* Kart arka planlarını biraz saydamlaştırdık */
  --bg-header: rgba(10, 3, 16, 0.95);
  
  --accent-light: #c8a2c8;
  --accent-main: #9d72db;
  --accent-dark: #6336a1;
  
  --text-main: #e2d8f2;
  --text-muted: #a48cc4;
  
  --font-heading: 'Cinzel', serif;
  --font-body: 'Inter', sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* =========================================
   CANLI ARKA PLAN ANİMASYONLARI
========================================= */
body {
  /* Hareketli degrade arka plan + Doku */
  background-color: #0a0310;
  background-image: linear-gradient(135deg, rgba(10,3,16,0.85), rgba(20,7,39,0.85), rgba(36,11,59,0.85), rgba(10,3,16,0.85)), url('assets/bg.png');
  background-size: 400% 400%, cover;
  background-attachment: fixed, fixed;
  background-blend-mode: normal;
  animation: gradientBG 20s ease infinite;
  
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

@keyframes gradientBG {
  0% { background-position: 0% 50%, center; }
  50% { background-position: 100% 50%, center; }
  100% { background-position: 0% 50%, center; }
}

/* Hareketli Parlayan Küreler (Gölgeler) */
body::before, body::after {
  content: '';
  position: fixed;
  width: 60vw;
  height: 60vw;
  border-radius: 50%;
  z-index: -1;
  pointer-events: none;
  animation: floatOrb 25s infinite alternate ease-in-out;
}

body::before {
  top: -10%;
  left: -10%;
  background: radial-gradient(circle, rgba(157, 114, 219, 0.08), transparent 60%);
}

body::after {
  bottom: -20%;
  right: -10%;
  animation-delay: -12.5s;
  background: radial-gradient(circle, rgba(99, 54, 161, 0.1), transparent 60%);
}

@keyframes floatOrb {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(15%, 10%) scale(1.2); }
}

/* Özel Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: rgba(10, 3, 16, 0.5);
}
::-webkit-scrollbar-thumb {
  background: var(--accent-dark);
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-main);
}

/* =========================================
   HEADER VE NAVİGASYON
========================================= */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--bg-header);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  z-index: 1000;
  border-bottom: 1px solid rgba(157, 114, 219, 0.3);
  padding: 1.5rem 0; /* Header biraz büyütüldü */
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.8);
}

nav {
  display: flex;
  justify-content: center;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2.5rem; /* Menü boşlukları artırıldı */
  flex-wrap: wrap;
  justify-content: center;
}

nav ul li a {
  color: var(--text-main);
  text-decoration: none;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: color 0.3s ease, text-shadow 0.3s ease;
  position: relative;
  cursor: pointer;
}

nav ul li a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background-color: var(--accent-main);
  transition: width 0.3s ease;
  box-shadow: 0 0 8px var(--accent-main);
}

nav ul li a:hover,
nav ul li a.active {
  color: var(--accent-light);
  text-shadow: 0 0 15px rgba(200, 162, 200, 0.8);
}

nav ul li a:hover::after,
nav ul li a.active::after {
  width: 100%;
}

/* =========================================
   SAYFA GEÇİŞ SİSTEMİ (SPA BENZERİ)
========================================= */
main {
  padding-top: 6.5rem; /* Header'ın yeni yüksekliği kadar boşluk */
}

.page-section {
  display: none; /* Varsayılan olarak tüm sayfaları gizle */
  padding: 4rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
  min-height: calc(100vh - 6.5rem);
  flex-direction: column;
  animation: fadeInPage 0.6s ease forwards;
}

/* Aktif olan sayfayı göster */
.page-section.active {
  display: flex;
}

@keyframes fadeInPage {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.section-title {
  font-family: var(--font-heading);
  font-size: 3.2rem;
  color: var(--accent-light);
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
  text-shadow: 0 0 20px rgba(200, 162, 200, 0.3);
}

.section-title::after {
  content: "✦";
  display: block;
  font-size: 1rem;
  color: var(--accent-main);
  margin: 10px auto 0;
  position: relative;
  text-shadow: 0 0 10px var(--accent-main);
}
.section-title::before {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-main), transparent);
}


/* =========================================
   HERO / GİRİŞ BÖLÜMÜ
========================================= */
#hero {
  justify-content: center;
  align-items: center;
  padding-top: 0; /* Ortalama için */
}

.hero-content {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 3.5rem;
  max-width: 1050px;
  margin: 0 auto;
}

.profile-photo-container {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  padding: 5px;
  background: linear-gradient(135deg, var(--accent-light), var(--accent-dark));
  box-shadow: 0 0 35px rgba(157, 114, 219, 0.5);
  flex-shrink: 0;
}

.profile-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transform: scale(1.05);
  border-radius: 50%;
  border: 4px solid var(--bg-main);
}

.hero-text-col {
  text-align: left;
}

.hero-name {
  font-family: var(--font-heading);
  font-size: 4rem;
  color: var(--text-main);
  letter-spacing: 4px;
  margin-bottom: 0.5rem;
  text-shadow: 0 0 25px rgba(157, 114, 219, 0.6);
}

.hero-title {
  font-size: 1.25rem;
  color: var(--accent-main);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 1.5rem;
  text-shadow: 0 0 10px rgba(157, 114, 219, 0.3);
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-muted);
  background: rgba(0, 0, 0, 0.3);
  padding: 1.5rem 2rem;
  border-radius: 12px;
  border: 1px solid rgba(157, 114, 219, 0.2);
  backdrop-filter: blur(5px);
}

/* =========================================
   PORTFOLYO KARTLARI
========================================= */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2.5rem;
  width: 100%;
}

.portfolio-card {
  background-color: var(--bg-card);
  border: 1px solid rgba(157, 114, 219, 0.3);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.4s ease;
  position: relative;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(10px);
}

.portfolio-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-light);
  box-shadow: 0 15px 40px rgba(157, 114, 219, 0.4);
}

.card-media {
  width: 100%;
  height: 250px;
  background-color: #000;
  overflow: hidden;
  position: relative;
}

.card-media img, 
.card-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.portfolio-card:hover .card-media img,
.portfolio-card:hover .card-media video {
  transform: scale(1.08);
}

.placeholder-media {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--text-muted);
  font-family: var(--font-heading);
  font-size: 1.2rem;
  background: linear-gradient(45deg, #150a21, #240b3b);
}

.card-content {
  padding: 1.8rem;
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--accent-light);
  margin-bottom: 0.8rem;
}

.card-description {
  font-size: 1rem;
  color: var(--text-muted);
}

/* =========================================
   YAPILACAKLAR LİSTESİ
========================================= */
.todo-list {
  max-width: 800px;
  margin: 0 auto;
  width: 100%;
  background: var(--bg-card);
  padding: 2.5rem;
  border-radius: 12px;
  border: 1px solid rgba(157, 114, 219, 0.3);
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
}

.todo-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px dashed rgba(157, 114, 219, 0.3);
}
.todo-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.todo-icon {
  color: var(--accent-main);
  margin-right: 1.2rem;
  font-size: 1.4rem;
  text-shadow: 0 0 10px var(--accent-main);
}

/* =========================================
   CV BÖLÜMÜ (TEK GÖRSEL)
========================================= */
.cv-single-box {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
}

.cv-single-box .cv-image-box {
  background-color: var(--bg-card);
  border: 1px solid rgba(157, 114, 219, 0.4);
  border-radius: 12px;
  overflow: hidden;
  height: 800px; /* Tek görsel için yeterince uzun */
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
  transition: all 0.4s ease;
  backdrop-filter: blur(10px);
}

.cv-single-box .cv-image-box:hover {
  border-color: var(--accent-light);
  box-shadow: 0 15px 40px rgba(157, 114, 219, 0.5);
  transform: translateY(-5px);
}

.cv-single-box .cv-image-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* =========================================
   İLETİŞİM BÖLÜMÜ
========================================= */
#iletisim {
  justify-content: center;
  align-items: center;
  text-align: center;
}

.contact-wrapper {
  background: var(--bg-card);
  padding: 4rem 2rem;
  border-radius: 12px;
  border: 1px solid rgba(157, 114, 219, 0.3);
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
  width: 100%;
  max-width: 800px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.8rem;
  margin-bottom: 3.5rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  font-size: 1.2rem;
  color: var(--text-main);
  padding: 1rem 2rem;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 50px;
  border: 1px solid rgba(157, 114, 219, 0.1);
  transition: all 0.3s ease;
}

.contact-item:hover {
  border-color: var(--accent-main);
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(157, 114, 219, 0.3);
}

.contact-icon {
  color: var(--accent-main);
  font-size: 1.6rem;
  text-shadow: 0 0 10px var(--accent-main);
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.social-links a {
  color: var(--accent-light);
  text-decoration: none;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  transition: all 0.3s ease;
  padding: 0.8rem 1.5rem;
  border: 1px solid rgba(157, 114, 219, 0.3);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.2);
}

.social-links a:hover {
  background: rgba(157, 114, 219, 0.15);
  border-color: var(--accent-main);
  box-shadow: 0 0 20px rgba(157, 114, 219, 0.5);
  transform: translateY(-3px);
}

.copyright {
  margin-top: 4rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* =========================================
   IMAGE MODAL (LIGHTBOX)
========================================= */
.modal {
  display: none; 
  position: fixed; 
  z-index: 2000; 
  left: 0;
  top: 0;
  width: 100%; 
  height: 100%; 
  background-color: rgba(0,0,0,0.9); 
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  justify-content: center;
  align-items: center;
}

.modal-content {
  max-width: 90%;
  max-height: 90vh;
  object-fit: contain;
  animation: zoomIn 0.3s ease;
  border-radius: 8px;
  box-shadow: 0 0 30px rgba(157, 114, 219, 0.4);
}

@keyframes zoomIn {
  from {transform: scale(0.8); opacity: 0;}
  to {transform: scale(1); opacity: 1;}
}

.close-modal {
  position: absolute;
  top: 20px;
  right: 35px;
  color: var(--text-muted);
  font-size: 40px;
  font-weight: bold;
  transition: 0.3s;
  cursor: pointer;
  z-index: 2001;
}

.close-modal:hover,
.close-modal:focus {
  color: var(--accent-light);
  text-decoration: none;
}

/* =========================================
   MOBİL UYUMLULUK
========================================= */
@media (max-width: 900px) {
  .cv-images-grid {
    grid-template-columns: 1fr;
  }
  .cv-image-box {
    height: 400px;
  }
  .cv-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  nav {
    padding: 0 1rem;
  }
  nav ul {
    gap: 1.2rem;
    font-size: 0.9rem;
    flex-wrap: nowrap;
    overflow-x: auto;
    justify-content: flex-start;
    padding-bottom: 0.5rem;
    -webkit-overflow-scrolling: touch;
    -ms-overflow-style: none; /* IE and Edge */
    scrollbar-width: none; /* Firefox */
  }
  nav ul::-webkit-scrollbar {
    display: none; /* Chrome, Safari and Opera */
  }
  .hero-content {
    flex-direction: column;
    text-align: center;
    gap: 1.5rem;
  }
  .hero-text-col {
    text-align: center;
  }
  .hero-name {
    font-size: 2.8rem;
  }
  .page-section {
    padding: 2rem 1rem;
  }
  .contact-item {
    width: 100%;
    justify-content: center;
  }
}