/* Tamamen yeni, canlı ve modern tasarım sistemi */
/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Modern gradient colors */
  --primary: #6366f1;
  --secondary: #ec4899;
  --accent: #10b981;
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-card: #334155;
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #ec4899 100%);
  --gradient-secondary: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
  --gradient-accent: linear-gradient(135deg, #10b981 0%, #3b82f6 100%);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  font-size: 18px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1.25rem 0;
  z-index: 1000;
  transition: all 0.3s ease;
}

.navbar.scrolled {
  padding: 0.75rem 0;
  box-shadow: var(--shadow-lg);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--text-primary);
  transition: transform 0.3s ease;
}

.logo:hover {
  transform: scale(1.05);
}

.logo-icon {
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.25rem;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.nav-menu {
  display: flex;
  gap: 0.75rem;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.875rem 1.5rem;
  border-radius: 10px;
  transition: all 0.3s ease;
  font-weight: 500;
  font-size: 1.05rem;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
  background: rgba(99, 102, 241, 0.15);
  transform: translateY(-2px);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-btn span {
  width: 28px;
  height: 3px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* Hero Section */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 8rem 0 4rem;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
}

.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.3;
  animation: float 20s ease-in-out infinite;
}

.orb-1 {
  width: 500px;
  height: 500px;
  background: var(--gradient-primary);
  top: -200px;
  right: -200px;
}

.orb-2 {
  width: 400px;
  height: 400px;
  background: var(--gradient-secondary);
  bottom: -150px;
  left: -150px;
  animation-delay: -5s;
}

.orb-3 {
  width: 350px;
  height: 350px;
  background: var(--gradient-accent);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -10s;
}

@keyframes float {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(50px, -50px) scale(1.1);
  }
  66% {
    transform: translate(-50px, 50px) scale(0.9);
  }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
}

.hero-greeting {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  animation: fadeInUp 0.6s ease-out;
}

.hero-title {
  font-size: 5.5rem;
  font-weight: 900;
  margin-bottom: 1.25rem;
  line-height: 1.1;
  animation: fadeInUp 0.6s ease-out 0.2s backwards;
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 2.25rem;
  color: var(--text-secondary);
  margin-bottom: 1.75rem;
  animation: fadeInUp 0.6s ease-out 0.4s backwards;
  font-weight: 600;
}

.hero-description {
  font-size: 1.35rem;
  color: var(--text-muted);
  margin-bottom: 3.5rem;
  line-height: 1.9;
  animation: fadeInUp 0.6s ease-out 0.6s backwards;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3.5rem;
  margin-bottom: 3.5rem;
  padding: 2.5rem 0;
  animation: fadeInUp 0.6s ease-out 0.8s backwards;
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 3.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.75rem;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 1.15rem;
}

.hero-cta {
  display: flex;
  gap: 1.25rem;
  justify-content: center;
  animation: fadeInUp 0.6s ease-out 1s backwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-3px);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-3px);
}

.btn-large {
  padding: 1.35rem 2.75rem;
  font-size: 1.2rem;
}

/* Sections */
section {
  padding: 7rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 4.5rem;
}

.section-label {
  display: inline-block;
  padding: 0.65rem 1.25rem;
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary);
  border-radius: 25px;
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 1.25rem;
}

.section-title {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1.25rem;
  line-height: 1.2;
}

.section-description {
  font-size: 1.35rem;
  color: var(--text-secondary);
  max-width: 650px;
  margin: 0 auto;
  line-height: 1.8;
}

/* About Preview */
.about-preview {
  background: var(--bg-secondary);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem;
}

.about-card {
  background: var(--bg-card);
  padding: 2.5rem;
  border-radius: 18px;
  text-align: center;
  transition: all 0.4s ease;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.about-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(99, 102, 241, 0.4);
}

.card-icon {
  font-size: 3.5rem;
  margin-bottom: 1.25rem;
}

.about-card h3 {
  font-size: 1.45rem;
  margin-bottom: 0.875rem;
  font-weight: 700;
}

.about-card p {
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: 1.05rem;
}

/* Featured Projects */
.featured-section {
  background: var(--bg-primary);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.project-card {
  background: var(--bg-card);
  border-radius: 18px;
  overflow: hidden;
  transition: all 0.4s ease;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(99, 102, 241, 0.3);
}

.project-image {
  position: relative;
  overflow: hidden;
  height: 250px;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.project-card:hover .project-image img {
  transform: scale(1.1);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-view-btn {
  padding: 0.875rem 1.75rem;
  background: var(--gradient-primary);
  color: white;
  text-decoration: none;
  border-radius: 10px;
  font-weight: 600;
  font-size: 1.05rem;
  transition: all 0.3s ease;
}

.project-view-btn:hover {
  transform: scale(1.05);
}

.project-content {
  padding: 2.25rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 1.25rem;
}

.tag {
  padding: 0.4rem 0.95rem;
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary);
  border-radius: 25px;
  font-size: 1rem;
  font-weight: 600;
}

.project-title {
  font-size: 1.65rem;
  margin-bottom: 0.875rem;
  font-weight: 700;
}

.project-description {
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: 1.05rem;
}

.section-cta {
  text-align: center;
  margin-top: 3.5rem;
}

/* Latest Posts */
.latest-posts {
  background: var(--bg-secondary);
}

.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.post-card {
  background: var(--bg-card);
  border-radius: 18px;
  overflow: hidden;
  transition: all 0.4s ease;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.post-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(99, 102, 241, 0.3);
}

.post-image {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.post-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.post-card:hover .post-image img {
  transform: scale(1.1);
}

.post-category {
  position: absolute;
  top: 1.25rem;
  left: 1.25rem;
  padding: 0.5rem 1rem;
  background: var(--gradient-primary);
  color: white;
  border-radius: 25px;
  font-size: 1rem;
  font-weight: 600;
}

.post-content {
  padding: 2.25rem;
}

.post-date {
  display: block;
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: 0.875rem;
}

.post-title {
  font-size: 1.5rem;
  margin-bottom: 0.875rem;
  font-weight: 700;
  line-height: 1.4;
}

.post-excerpt {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.25rem;
  font-size: 1.05rem;
}

.post-link {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.05rem;
  transition: all 0.3s ease;
}

.post-link:hover {
  color: var(--secondary);
  transform: translateX(5px);
  display: inline-block;
}

/* CTA Section */
.cta-section {
  background: var(--gradient-primary);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="white" opacity="0.1"/></svg>');
  opacity: 0.3;
}

.cta-content {
  position: relative;
  text-align: center;
  max-width: 750px;
  margin: 0 auto;
}

.cta-title {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1.25rem;
  color: white;
}

.cta-description {
  font-size: 1.35rem;
  margin-bottom: 2.5rem;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.8;
}

.cta-section .btn-primary {
  background: white;
  color: var(--primary);
}

.cta-section .btn-primary:hover {
  background: rgba(255, 255, 255, 0.9);
  transform: translateY(-5px);
}

/* Footer */
.footer {
  background: var(--bg-secondary);
  padding: 4.5rem 0 2.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 3.5rem;
  margin-bottom: 3.5rem;
}

.footer-title {
  font-size: 1.75rem;
  margin-bottom: 1.25rem;
  font-weight: 700;
}

.footer-description {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.75rem;
  font-size: 1.05rem;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-link {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  color: var(--text-primary);
  transition: all 0.3s ease;
}

.social-link:hover {
  background: var(--gradient-primary);
  transform: translateY(-5px);
}

.footer-heading {
  font-size: 1.25rem;
  margin-bottom: 1.25rem;
  font-weight: 700;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.875rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 1.05rem;
}

.footer-links a:hover {
  color: var(--primary);
  padding-left: 5px;
}

.footer-contact {
  list-style: none;
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  margin-bottom: 1rem;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.footer-contact a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-contact a:hover {
  color: var(--primary);
}

.footer-bottom {
  text-align: center;
  padding-top: 2.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-muted);
  font-size: 1.05rem;
}

.footer-bottom p {
  margin-bottom: 0.5rem;
}

/* Page Hero */
.page-hero {
  padding: 10rem 0 6rem;
  text-align: center;
  position: relative;
  background: var(--bg-secondary);
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0.1;
}

.page-title {
  font-size: 4.5rem;
  font-weight: 900;
  margin-bottom: 1.25rem;
  position: relative;
}

.page-subtitle {
  font-size: 1.65rem;
  color: var(--text-secondary);
  position: relative;
}

/* Responsive */
@media (max-width: 768px) {
  body {
    font-size: 16px;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(10px);
    flex-direction: column;
    padding: 2rem;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .nav-menu.active {
    transform: translateX(0);
  }

  .hero-title {
    font-size: 3.5rem;
  }

  .hero-subtitle {
    font-size: 1.75rem;
  }

  .hero-description {
    font-size: 1.15rem;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .hero-cta {
    flex-direction: column;
  }

  .section-title {
    font-size: 2.5rem;
  }

  .section-description {
    font-size: 1.15rem;
  }

  .page-title {
    font-size: 3rem;
  }

  .page-subtitle {
    font-size: 1.35rem;
  }

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

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

  .cta-title {
    font-size: 2.5rem;
  }

  .cta-description {
    font-size: 1.15rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.35rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .page-title {
    font-size: 2.25rem;
  }

  .btn {
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
  }
}

/* About Detail Section */
.about-detail {
  padding: 5rem 0;
  background: var(--bg-primary);
}

.about-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 5rem;
  align-items: start;
}

.about-image-section {
  position: sticky;
  top: 120px;
}

.about-image-wrapper {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-image-wrapper img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 20px;
}

.image-decoration {
  position: absolute;
  inset: -10px;
  background: var(--gradient-primary);
  border-radius: 20px;
  z-index: -1;
  opacity: 0.3;
  filter: blur(20px);
}

.about-text-section {
  padding: 2rem 0;
}

.about-story {
  margin: 2.5rem 0;
}

.about-story p {
  font-size: 1.15rem;
  line-height: 1.9;
  color: var(--text-secondary);
  margin-bottom: 1.75rem;
}

.about-highlights {
  display: grid;
  gap: 2rem;
  margin-top: 3.5rem;
}

.highlight-item {
  display: flex;
  gap: 1.75rem;
  padding: 2rem;
  background: var(--bg-card);
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.3s ease;
}

.highlight-item:hover {
  transform: translateX(10px);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: var(--shadow-md);
}

.highlight-icon {
  font-size: 3rem;
  flex-shrink: 0;
}

.highlight-content h4 {
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.highlight-content p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 0.35rem;
}

.highlight-content span {
  font-size: 1rem;
  color: var(--text-muted);
}

/* Skills Section */
.skills-section {
  padding: 6rem 0;
  background: var(--bg-secondary);
}

.skills-grid-large {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2.5rem;
}

.skill-card-large {
  background: var(--bg-card);
  padding: 3rem;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.4s ease;
}

.skill-card-large:hover {
  transform: translateY(-10px);
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: var(--shadow-lg);
}

.skill-icon-large {
  font-size: 4rem;
  margin-bottom: 1.5rem;
}

.skill-card-large h3 {
  font-size: 1.65rem;
  margin-bottom: 1rem;
  font-weight: 700;
}

.skill-card-large p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.75rem;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.skill-tags span {
  padding: 0.5rem 1.1rem;
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary);
  border-radius: 25px;
  font-size: 1rem;
  font-weight: 600;
}

/* Experience Section */
.experience-section {
  padding: 6rem 0;
  background: var(--bg-primary);
}

.timeline {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  padding-left: 3rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--gradient-primary);
}

.timeline-item {
  position: relative;
  margin-bottom: 3.5rem;
}

.timeline-dot {
  position: absolute;
  left: -3.65rem;
  top: 0;
  width: 20px;
  height: 20px;
  background: var(--gradient-primary);
  border-radius: 50%;
  border: 4px solid var(--bg-primary);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
}

.timeline-content {
  background: var(--bg-card);
  padding: 2.5rem;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.3s ease;
}

.timeline-content:hover {
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: var(--shadow-md);
}

.timeline-date {
  display: inline-block;
  padding: 0.5rem 1.1rem;
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary);
  border-radius: 25px;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.timeline-content h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.timeline-company {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.timeline-description {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* References Section */
.references-section {
  padding: 5rem 0;
  background: var(--bg-primary);
}

.references-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 3rem;
}

.reference-card {
  background: var(--bg-card);
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.4s ease;
}

.reference-card:hover {
  transform: translateY(-10px);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: var(--shadow-lg);
}

.reference-image {
  position: relative;
  height: 280px;
  overflow: hidden;
}

.reference-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.reference-card:hover .reference-image img {
  transform: scale(1.1);
}

.reference-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.reference-card:hover .reference-overlay {
  opacity: 1;
}

.reference-link {
  padding: 1rem 2rem;
  background: var(--gradient-primary);
  color: white;
  text-decoration: none;
  border-radius: 10px;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
}

.reference-link:hover {
  transform: scale(1.05);
}

.reference-content {
  padding: 2.5rem;
}

.reference-title {
  font-size: 1.65rem;
  margin-bottom: 1rem;
  font-weight: 700;
}

.reference-description {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.reference-tech,
.reference-client {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.reference-tech strong,
.reference-client strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* Testimonials Section */
.testimonials-section {
  padding: 6rem 0;
  background: var(--bg-secondary);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
}

.testimonial-card {
  background: var(--bg-card);
  padding: 3rem;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.4s ease;
}

.testimonial-card:hover {
  transform: translateY(-10px);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: var(--shadow-lg);
}

.testimonial-stars {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.testimonial-text {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 2rem;
  font-style: italic;
}

.testimonial-author {
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.testimonial-author strong {
  display: block;
  font-size: 1.15rem;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.testimonial-author span {
  font-size: 1rem;
  color: var(--text-muted);
}
/* Contact Full Section */
.contact-full {
    padding: 5rem 0;
    background: var(--bg-primary);
}

.contact-layout {
    display: grid;
    /* Masaüstü: Form (1fr) ve Kartlar (1.2fr) yan yana */
    grid-template-columns: 1fr 1.2fr;
    gap: 5rem;
}
.contact-info-section {
 padding: 0;  
}
.contact-info-section h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.contact-intro {
    font-size: 1.2rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 3rem;
}

/* İletişim Kartları Alanı */
.contact-cards {
    /* İletişim kartlarını tek sütunlu yapar (varsayılan) */
    display: flex; 
    flex-direction: column;
    gap: 2rem;
    /* HTML'de aside kullandık, margin ihtiyacı ortadan kalktı, ancak yine de formu sarmalayan section'ın alt boşluğunu koruyalım */
     margin-bottom: 3rem; 
}

/* Her Bir İletişim Kartı Stili */
.contact-card {
    display: flex;
    gap: 1.5rem;
    padding: 2rem;
    background: var(--bg-card);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.contact-card:hover {
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.contact-card-icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.15);
    border-radius: 12px;
    color: var(--primary);
}

.contact-card-icon svg {
    /* SVG ikonlarının boyutunu ayarlayın */
    width: 24px;
    height: 24px;
}


.contact-card-content h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.contact-card-content a,
.contact-card-content p {
    /* Footer iletişim bilgisi için eklenen p/span elementlerinin stilini destekler */
    line-height: 1.4;
}

.contact-card-content a {
    display: block;
    font-size: 1.1rem;
    color: var(--primary);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.contact-card-content a:hover {
    color: var(--secondary);
}

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

/* Sosyal Medya Kartı İçindeki Linkler */
.social-links-contact {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 0.5rem; /* H4'ten sonra biraz boşluk */
}

.social-links-contact a {
    padding: 0.5rem 1.1rem;
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary);
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none; /* Üstteki .contact-card-content a kuralını ezmek için */
    display: inline-block; /* Üstteki display: block kuralını ezmek için */
    margin-bottom: 0; /* Üstteki margin-bottom: 0.5rem kuralını ezmek için */
    transition: all 0.3s ease;
}

.social-links-contact a:hover {
    background: var(--gradient-primary);
    color: white;
    transform: translateY(-2px);
}

/* Hızlı Yanıt Kartı */
.response-time {
    display: flex;
    gap: 1.5rem;
    padding: 2rem;
    /* Linear gradient tam tanımlı olmalı */
    /* Varsayım: --gradient-primary bir background tanımıdır. */
    background: var(--gradient-primary); 
    border-radius: 16px;
    color: white;
    margin-top: 0; /* contact-cards flex/grid olduğu için margin-top gerekmez */
}

.response-icon {
    font-size: 3rem;
    flex-shrink: 0;
}

.response-content h4 {
    font-size: 1.35rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.response-content p {
    font-size: 1.05rem;
    opacity: 0.9;
}

/* Form Bölümü Stili */
.contact-form-section {
    background: var(--bg-card);
    padding: 2.5rem; /* Form kartının iç boşluğunu biraz artırdım */
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: var(--shadow-lg);
}

.contact-form-large {
    width: 100%;
}

.form-header {
    margin-bottom: 2.5rem;
}

.form-header h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.form-header p {
    font-size: 1.05rem;
    color: var(--text-secondary);
}

.form-row {
    display: grid;
    /* Masaüstünde yan yana iki sütun */
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.25rem;
    background: var(--bg-secondary);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1.05rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 1rem;
    color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.btn-full {
    width: 100%;
    display: flex; /* İkon ve metni ortalamak için */
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}


/* --- MEDYA SORGULARI (RESPONSIVE DÜZENLEME) --- */

/* Tablet ve Küçük Masaüstü (992px altı) */
@media (max-width: 992px) {
    .contact-layout {
        /* Düzeni tek sütuna çevir, önce form sonra kartlar gelir */
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .contact-form-section {
        padding: 2rem; /* Daha küçük ekranlar için padding azaltma */
    }

    .contact-info-section h2 {
        font-size: 2.5rem;
    }

    .form-row {
        /* Formdaki Ad/E-posta alanları 992px altında tek sütun olur */
        grid-template-columns: 1fr;
        gap: 0;
    }
}

/* Mobil Cihazlar (768px altı) */
@media (max-width: 768px) {
    .contact-full {
        padding: 3rem 0; /* Mobil için dikey boşluğu azaltma */
        padding: 0;
    }
 

    .contact-card {
        padding: 1.5rem; /* Kart içi boşluğu azaltma */
        gap: 1rem;
    }

    .contact-card-icon {
        width: 48px;
        height: 48px;
    }

    .contact-card-content h4 {
        font-size: 1.1rem;
    }
    
    .contact-card-content a, 
    .contact-card-content p {
        font-size: 1rem;
    }

    .response-time {
        padding: 1.5rem;
    }

    .form-header h3 {
        font-size: 1.75rem;
    }
}

/* FAQ Section */
.faq-section {
  padding: 6rem 0;
  background: var(--bg-secondary);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2.5rem;
}

.faq-item {
  background: var(--bg-card);
  padding: 2.5rem;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.3s ease;
}

.faq-item:hover {
  border-color: rgba(99, 102, 241, 0.3);
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.faq-question {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.faq-answer {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* Projects Full Page */
.projects-full {
  padding: 5rem 0;
  background: var(--bg-primary);
}

.projects-filter {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 4rem;
}

.filter-btn {
  padding: 1rem 2rem;
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.filter-btn:hover {
  color: var(--text-primary);
  border-color: rgba(99, 102, 241, 0.3);
  transform: translateY(-2px);
}

.filter-btn.active {
  background: var(--gradient-primary);
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.4);
}

.projects-grid-full {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 3rem;
}

.project-card-full {
  background: var(--bg-card);
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.4s ease;
}

.project-card-full:hover {
  transform: translateY(-10px);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: var(--shadow-lg);
}

.project-image-full {
  position: relative;
  height: 280px;
  overflow: hidden;
}

.project-image-full img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.project-card-full:hover .project-image-full img {
  transform: scale(1.1);
}

.project-overlay-full {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.project-card-full:hover .project-overlay-full {
  opacity: 1;
}

.project-links {
  display: flex;
  gap: 1rem;
}

.project-btn {
  padding: 1rem 2rem;
  background: var(--gradient-primary);
  color: white;
  text-decoration: none;
  border-radius: 10px;
  font-weight: 600;
  font-size: 1.05rem;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.project-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.5);
}

.project-content-full {
  padding: 2.5rem;
}

.project-title-full {
  font-size: 1.75rem;
  margin-bottom: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.project-description-full {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.project-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.project-date,
.project-client {
  font-size: 1rem;
  color: var(--text-muted);
}

.project-date::before {
  content: "📅 ";
  margin-right: 0.5rem;
}

.project-client::before {
  content: "👤 ";
  margin-right: 0.5rem;
}

/* Responsive for Projects */
@media (max-width: 768px) {
  .projects-grid-full {
    grid-template-columns: 1fr;
  }

  .projects-filter {
    gap: 0.75rem;
  }

  .filter-btn {
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
  }

  .project-image-full {
    height: 220px;
  }

  .project-content-full {
    padding: 2rem;
  }

  .project-title-full {
    font-size: 1.5rem;
  }

  .project-description-full {
    font-size: 1.05rem;
  }

  .project-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
}

/* Responsive */
@media (max-width: 1024px) {
  .about-layout,
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .about-image-section {
    position: relative;
    top: 0;
  }

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

  .skills-grid-large {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
}

@media (max-width: 768px) {
  .form-row {
    grid-template-columns: 1fr;
  }

  .testimonials-grid,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .contact-info-section h2 {
    font-size: 2.25rem;
  }

  .contact-intro {
    font-size: 1.1rem;
  }

  .contact-form-section {
    padding: 2rem;
  }

  .timeline {
    padding-left: 2rem;
  }

  .timeline-dot {
    left: -2.65rem;
  }
}


/* post-styles.css */

/* Tekil Gönderi Ana İçerik Stilleri */
.post-main-content {
    padding: 40px 0 80px; /* Üstten ve alttan boşluk */
}

.post-detail {
    max-width: 800px; /* Okunurluğu artırmak için maksimum genişlik */
    margin: 0 auto;
    padding: 0 15px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05); /* Hafif gölge */
    border-radius: 8px;
    padding: 40px;
    padding-top: 80px;
}

/* Başlık ve Meta Bilgileri */
.post-header {
    text-align: left;
    margin-bottom: 30px;
    border-bottom: 1px solid #eee;
    padding-bottom: 20px;
}

.post-category-detail {
    display: inline-block;
    background-color: #2ecc71; /* Kategori rengi */
    color: var(--text-primary);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.post-title-detail {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    margin-top: 0;
    margin-bottom: 15px;
}

.post-meta-info {
    font-size: 1rem;
    color: var(--text-secondary);
    margin: 0;
}

.author-name {
    font-weight: 600;
    color: var(--text-secondary);
}

/* Ana Görsel */
.post-figure {
    margin: 0 0 30px 0;
    overflow: hidden;
    border-radius: 6px;
}

.post-figure img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    max-height: 450px;
}

.post-figure figcaption {
    font-style: italic;
    font-size: 1rem;
    color: var(--text-secondary);
    padding: 10px 0 0;
    text-align: center;
}

/* Gönderi Tam Metni Stilleri */
.post-full-text {
    line-height: 1.7;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.post-full-text h2 {
    font-size: 1.8rem;
    color: var(--text-primary);
    margin-top: 40px;
    margin-bottom: 15px;
    border-left: 4px solid #3498db; /* Başlık için vurgu çizgisi */
    padding-left: 15px;
}

.post-full-text p {
    margin-bottom: 20px;
}

.post-full-text ul,
.post-full-text ol {
    margin: 20px 0;
    padding-left: 20px;
}

.post-full-text li {
    margin-bottom: 10px;
}

/* Blockquote (Alıntı/Uyarı Kutusu) Stili */
.attention-blockquote {
    border-left: 5px solid #e74c3c; /* Kırmızı uyarı rengi */
    background-color: #fef8f8;
    padding: 15px 20px;
    margin: 25px 0;
    font-style: italic;
    color: #333;
    border-radius: 4px;
}

.attention-blockquote strong {
    color: #c0392b;
    font-style: normal;
}

/* Yazar Kutusu (Post Author Box) */
.post-author-box {
    display: flex;
    align-items: flex-start;
    padding: 20px;
    margin-top: 40px;
    border: 1px solid #eee;
    border-radius: 6px;
    background-color: #f0f0f0;
}

.author-avatar {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: 20px;
    border: 3px solid #3498db;
}

.author-info h4 {
    margin: 0 0 5px 0;
    font-size: 1.2rem;
    color: #333;
}

.author-info p {
    font-size: 1rem;
    color: #666;
    margin-bottom: 15px;
}

/* Küçük Buton Stili (Mevcut btn-primary stilinize ek olarak) */
.btn-small {
    padding: 6px 12px;
    font-size: 1rem;
}

/* Responsive Düzenlemeler */
@media (max-width: 768px) {
    .post-detail {
        padding: 20px;
    }

    .post-title-detail {
        font-size: 1.8rem;
    }
    
    .post-full-text {
        font-size: 1rem;
    }

    .post-author-box {
        flex-direction: column;
        text-align: center;
    }

    .author-avatar {
        margin: 0 auto 15px;
    }

    .author-info {
        text-align: center;
    }
}

/* Geri Dön Butonları Stili */
.btn-back-to-posts {
    display: inline-flex; /* İçerik ve ikonun yan yana durmasını sağlar */
    align-items: center;
    padding: 5px 10px;
    background-color: #3498db; /* Mavi renk (Tercihen ana temanızın rengi) */
    color: white;
    text-decoration: none; /* Alt çizgiyi kaldırır */
    border-radius: 5px;
    font-weight: 600;
    transition: background-color 0.3s ease;
    margin: 10px 0; /* Üst ve alt buton için varsayılan dikey boşluk */
    border: none;
}

.btn-back-to-posts:hover {
    background-color: #2980b9; /* Hover (Üzerine gelindiğinde) rengi */
}

.btn-back-to-posts svg {
    margin-right: 8px; /* İkon ile metin arasındaki boşluk */
    width: 18px;
    height: 18px;
    stroke: white;
}

/* Üst ve Alt Butonların Konumlandırılması */
.top-button {
    margin-bottom: 30px; /* Header kısmından daha fazla ayırma */
}

.bottom-button {
    margin-top: 30px; /* Yazar kutusundan sonra ayırma */
    margin-bottom: 20px;
}

/* Responsive Düzenlemeler (Küçük ekranlar için butonun tam genişlikte olması) */
@media (max-width: 768px) {
    .btn-back-to-posts {
        width: 100%; /* Mobil cihazlarda ekranı tamamen kaplasın */
        justify-content: center; /* İçeriği ortalar */
        padding: 5px 10px;
        font-size: 1rem;
        margin: 34px 0px;
    }
}