/* ===== Değişkenler ===== */
:root {
  --bg-dark: #0a0a0f;
  --bg-card: #12121a;
  --bg-card-hover: #1a1a26;
  --text: #e8e8ed;
  --text-muted: #9898a8;
  --accent-start: #a855f7;
  --accent-end: #06b6d4;
  --accent-glow: rgba(168, 85, 247, 0.25);
  --border: rgba(255, 255, 255, 0.06);
  --font-sans: 'Outfit', system-ui, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;
  --radius: 16px;
  --radius-sm: 10px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-dark);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Hafif doku katmanı */
.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1000;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* ===== Navigasyon ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2rem;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.nav-logo {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.5rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition);
}

.nav-links a:hover {
  color: var(--accent-start);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== Container ===== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ===== Bölüm Başlıkları ===== */
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 600;
  margin-bottom: 2rem;
  background: linear-gradient(135deg, var(--text) 0%, var(--text-muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem 1.5rem 4rem;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(
    ellipse at center,
    var(--accent-glow) 0%,
    transparent 70%
  );
  pointer-events: none;
}

/* Profil fotoğrafı alanı – fotoğrafı "profil.jpg" olarak aynı klasöre koyun */
.hero-photo {
  position: relative;
  width: 160px;
  height: 160px;
  margin-bottom: 1.5rem;
  border-radius: 50%;
  padding: 4px;
  background: linear-gradient(135deg, var(--accent-start), var(--accent-end));
  flex-shrink: 0;
  animation: fadeUp 0.8s ease-out;
}

.hero-photo img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  background: var(--bg-card);
}

.hero-photo-placeholder {
  display: none;
  position: absolute;
  top: 4px;
  left: 4px;
  right: 4px;
  bottom: 4px;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.hero-badge {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
  animation: fadeUp 0.8s ease-out;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 12vw, 6rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  animation: fadeUp 0.8s ease-out 0.1s both;
}

.hero-name {
  display: block;
  background: linear-gradient(135deg, var(--text) 0%, var(--text-muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-surname {
  display: block;
  background: linear-gradient(135deg, var(--accent-start) 0%, var(--accent-end) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-tagline {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--text-muted);
  max-width: 480px;
  margin: 0 auto 2.5rem;
  animation: fadeUp 0.8s ease-out 0.2s both;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2rem;
  background: linear-gradient(135deg, var(--accent-start) 0%, var(--accent-end) 100%);
  color: white;
  text-decoration: none;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  animation: fadeUp 0.8s ease-out 0.3s both;
}

.hero-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px var(--accent-glow);
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent-start), transparent);
  border-radius: 2px;
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ===== Hakkımda ===== */
.about {
  padding: 6rem 0;
  border-top: 1px solid var(--border);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-text {
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  font-size: 1.05rem;
}

.about-text strong {
  color: var(--accent-start);
  font-weight: 500;
}

.about-visual {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.about-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  min-width: 120px;
  transition: var(--transition);
}

.about-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(168, 85, 247, 0.3);
  transform: translateY(-4px);
}

.about-card-icon {
  font-size: 2rem;
}

.about-card span:last-child {
  font-weight: 500;
  font-size: 0.9rem;
}

/* ===== Eğitim ===== */
.education {
  padding: 6rem 0;
  background: rgba(0, 0, 0, 0.2);
  border-top: 1px solid var(--border);
}

.education-timeline {
  max-width: 640px;
  margin: 0 auto;
}

.timeline-item {
  display: flex;
  gap: 1.5rem;
  position: relative;
}

.timeline-dot {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-start), var(--accent-end));
  margin-top: 0.4rem;
  box-shadow: 0 0 20px var(--accent-glow);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 28px;
  bottom: -2rem;
  width: 2px;
  background: var(--border);
}

.timeline-content {
  padding-bottom: 2rem;
}

.timeline-content h3 {
  font-size: 1.35rem;
  margin-bottom: 0.25rem;
  color: var(--text);
}

.timeline-meta {
  color: var(--accent-start);
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.timeline-content p:last-child {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ===== İlgi Alanları ===== */
.interests {
  padding: 6rem 0;
  border-top: 1px solid var(--border);
}

.interests-intro {
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  font-size: 1.05rem;
}

.interests-intro strong {
  color: var(--accent-start);
}

.interests-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.interest-card {
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.interest-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(168, 85, 247, 0.25);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.interest-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.interest-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.interest-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ===== İletişim ===== */
.contact {
  padding: 6rem 0;
  background: rgba(0, 0, 0, 0.2);
  border-top: 1px solid var(--border);
  text-align: center;
}

.contact-text {
  color: var(--text-muted);
  max-width: 400px;
  margin: 0 auto 2rem;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.contact-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

.contact-btn:hover {
  border-color: var(--accent-start);
  color: var(--accent-start);
  transform: translateY(-2px);
}

.contact-btn-icon {
  font-size: 1rem;
}

/* ===== Footer ===== */
.footer {
  padding: 2rem;
  text-align: center;
  border-top: 1px solid var(--border);
}

.footer p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .interests-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav.nav-open .nav-links {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    padding: 1.5rem;
    background: rgba(10, 10, 15, 0.98);
    border-bottom: 1px solid var(--border);
  }

  .hero-title {
    font-size: clamp(2.5rem, 10vw, 4rem);
  }

  .contact-links {
    flex-direction: column;
  }

  .contact-btn {
    justify-content: center;
  }
}