/* ============================================
   LyrexEX CV - Ana Stil Dosyası
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #1a1a2e;
  --bg-card-hover: #222240;
  --bg-input: #16162a;
  --text-primary: #e8e8f0;
  --text-secondary: #8888aa;
  --text-muted: #555577;
  --accent: #6c5ce7;
  --accent-light: #a29bfe;
  --accent-dark: #4834d4;
  --accent-glow: rgba(108, 92, 231, 0.3);
  --success: #00b894;
  --warning: #fdcb6e;
  --danger: #e17055;
  --border: #2a2a44;
  --border-light: #3a3a5c;
  --gradient-1: linear-gradient(135deg, #6c5ce7, #a29bfe);
  --gradient-2: linear-gradient(135deg, #0a0a0f, #1a1a2e);
  --gradient-3: linear-gradient(135deg, #6c5ce7, #fd79a8);
  --shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 60px rgba(0, 0, 0, 0.5);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-light); }

/* ============ NAVIGATION ============ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  transition: var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--shadow);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-decoration: none;
  letter-spacing: -0.5px;
}

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

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  transition: var(--transition);
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-1);
  transition: var(--transition);
  border-radius: 2px;
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ============ HERO ============ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 2rem;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 50%, var(--accent-glow), transparent 50%),
              radial-gradient(circle at 70% 50%, rgba(253, 121, 168, 0.1), transparent 50%);
  animation: heroGlow 15s ease-in-out infinite;
}

@keyframes heroGlow {
  0%, 100% { transform: translate(0, 0); }
  33% { transform: translate(-2%, 2%); }
  66% { transform: translate(2%, -2%); }
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-avatar {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  border: 3px solid var(--accent);
  margin: 0 auto 2rem;
  overflow: hidden;
  box-shadow: 0 0 40px var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  font-size: 4rem;
}

.hero-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-subtitle {
  font-size: 1rem;
  color: var(--accent-light);
  text-transform: uppercase;
  letter-spacing: 4px;
  font-weight: 600;
  margin-bottom: 1rem;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -1px;
}

.hero-title span {
  background: var(--gradient-3);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-bio {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-social {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 2.5rem;
}

.hero-social a {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
  font-size: 1.1rem;
}

.hero-social a:hover {
  border-color: var(--accent);
  color: var(--accent-light);
  transform: translateY(-3px);
  box-shadow: 0 5px 20px var(--accent-glow);
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.btn-primary {
  background: var(--gradient-1);
  color: white;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-light);
}

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

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
}

.btn-danger {
  background: var(--danger);
  color: white;
}

.btn-danger:hover {
  background: #c0392b;
}

.btn-success {
  background: var(--success);
  color: white;
}

/* ============ SECTIONS ============ */
.section {
  padding: 6rem 2rem;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-label {
  font-size: 0.85rem;
  color: var(--accent-light);
  text-transform: uppercase;
  letter-spacing: 3px;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.section-line {
  width: 60px;
  height: 3px;
  background: var(--gradient-1);
  margin: 1rem auto 0;
  border-radius: 3px;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
}

/* ============ SKILLS ============ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: var(--transition);
}

.skill-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.skill-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.skill-name {
  font-weight: 600;
  font-size: 1rem;
}

.skill-level {
  font-size: 0.85rem;
  color: var(--accent-light);
  font-weight: 600;
}

.skill-bar {
  height: 6px;
  background: var(--bg-input);
  border-radius: 3px;
  overflow: hidden;
}

.skill-fill {
  height: 100%;
  background: var(--gradient-1);
  border-radius: 3px;
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
  width: 0;
}

.skill-category {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

/* ============ PROJECTS ============ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.project-card:hover {
  border-color: var(--accent);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.project-image {
  width: 100%;
  height: 200px;
  background: var(--bg-input);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 3rem;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.project-card:hover .project-image img {
  transform: scale(1.05);
}

.project-body {
  padding: 1.5rem;
}

.project-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.project-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.project-tag {
  padding: 0.25rem 0.75rem;
  background: rgba(108, 92, 231, 0.15);
  color: var(--accent-light);
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 500;
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.project-note {
  color: #ef4444;
  font-size: 0.82rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.25);
  border-radius: 6px;
  padding: 0.3rem 0.7rem;
  width: 100%;
}

.project-note i {
  flex-shrink: 0;
}

.project-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.project-links a:hover {
  color: var(--accent-light);
}

/* ============ EXPERIENCE & EDUCATION ============ */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.timeline-item {
  position: relative;
  padding-left: 60px;
  margin-bottom: 2.5rem;
}

.timeline-dot {
  position: absolute;
  left: 12px;
  top: 5px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 3px solid var(--accent);
  z-index: 1;
}

.timeline-item.current .timeline-dot {
  background: var(--accent);
  box-shadow: 0 0 15px var(--accent-glow);
}

.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: var(--transition);
}

.timeline-content:hover {
  border-color: var(--accent);
}

.timeline-date {
  font-size: 0.8rem;
  color: var(--accent-light);
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.timeline-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.timeline-subtitle {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.timeline-desc {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ============ CERTIFICATES ============ */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: var(--transition), max-height 0.4s ease, opacity 0.4s ease, padding 0.4s ease, margin 0.4s ease;
}

.cert-card.cert-over-limit {
  display: none;
}

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

.cert-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}

.cert-image {
  margin-bottom: 1rem;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.cert-image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.cert-card:hover .cert-image img {
  transform: scale(1.03);
}

.cert-file {
  margin-bottom: 1rem;
}

.cert-name {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0.3rem;
}

.cert-issuer {
  color: var(--accent-light);
  font-size: 0.85rem;
  margin-bottom: 0.3rem;
}

.cert-date {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.cert-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  color: var(--accent-light);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 500;
  margin-top: 0.5rem;
  transition: var(--transition);
}

.cert-link:hover {
  color: var(--text-primary);
}

/* ============ CONTACT ============ */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.5rem;
  max-width: 800px;
  margin: 0 auto;
}

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  transition: var(--transition);
}

.contact-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}

.contact-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.contact-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.3rem;
}

.contact-value {
  color: var(--text-primary);
  font-weight: 500;
}

.contact-value a {
  color: var(--accent-light);
  text-decoration: none;
}

/* ============ FOOTER ============ */
.footer {
  text-align: center;
  padding: 2rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer a {
  color: var(--accent-light);
  text-decoration: none;
}

/* ============ ANIMATIONS ============ */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 1.5rem 2rem;
    gap: 1rem;
    border-bottom: 1px solid var(--border);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-toggle {
    display: block;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .hero-subtitle {
    font-size: 0.85rem;
    letter-spacing: 2px;
  }

  .section {
    padding: 4rem 1.5rem;
  }

  .section-title {
    font-size: 1.8rem;
  }

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

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

/* ============ BLOG SECTION ============ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: var(--transition);
}

.blog-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}

.blog-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.blog-excerpt {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-meta {
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* ============ EMPTY STATE ============ */
.empty-state {
  text-align: center;
  padding: 3rem;
  color: var(--text-muted);
}

.empty-state i {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: block;
}