/* Reset ve Genel Stiller */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #2563eb;
  --primary-dark: #1d4ed8;
  --secondary-color: #64748b;
  --accent-color: #f59e0b;
  --text-color: #1e293b;
  --text-light: #64748b;
  --background-color: #ffffff;
  --background-light: #f8fafc;
  --border-color: #e2e8f0;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --transition: all 0.3s ease;
}

body {
  font-family: "Poppins", sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--background-color);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
  font-size: 14px;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
  background: var(--primary-color);
  color: white;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding: 1rem 0;
  box-shadow: var(--shadow);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 700;
}

.nav-logo i {
  font-size: 2rem;
}

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

.nav-link {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

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

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient);
  transition: var(--transition);
}

.nav-link:hover::after {
  width: 100%;
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.bar {
  width: 25px;
  height: 3px;
  background: var(--text-color);
  margin: 3px 0;
  transition: var(--transition);
}

/* Hero Section */
.hero {
  padding: 120px 0 80px;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-text h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.2;
}

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

.hero-text h2 {
  font-size: 1.5rem;
  color: var(--text-light);
  margin-bottom: 1.5rem;
  font-weight: 400;
}

.hero-text p {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 2rem;
  line-height: 1.8;
}

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

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.image-container {
  position: relative;
  width: 400px;
  height: 400px;
  background: var(--gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: float 6s ease-in-out infinite;
}

.floating-icons {
  position: absolute;
  width: 100%;
  height: 100%;
}

.floating-icons i {
  position: absolute;
  font-size: 3rem;
  color: white;
  animation: float 3s ease-in-out infinite;
}

.floating-icons i:nth-child(1) {
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.floating-icons i:nth-child(2) {
  top: 10%;
  right: 20%;
  animation-delay: 0.5s;
}

.floating-icons i:nth-child(3) {
  bottom: 30%;
  left: 5%;
  animation-delay: 1s;
}

.floating-icons i:nth-child(4) {
  bottom: 10%;
  right: 10%;
  animation-delay: 1.5s;
}

.floating-icons i:nth-child(5) {
  top: 50%;
  right: 5%;
  animation-delay: 2s;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* About Section */
.about {
  padding: 80px 0;
  background: var(--background-color);
}

.about-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-text h3 {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--text-color);
}

.about-text p {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.skills {
  margin-bottom: 2rem;
}

.skills h4 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: var(--text-color);
}

.skill-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.skill-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px;
  background: var(--background-light);
  border-radius: 8px;
  transition: var(--transition);
}

.skill-item:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-2px);
}

.skill-item i {
  font-size: 1.5rem;
  color: var(--primary-color);
}

.skill-item:hover i {
  color: white;
}

.github-section {
  background: var(--background-light);
  padding: 2rem;
  border-radius: 12px;
  border-left: 4px solid var(--primary-color);
}

.github-section h4 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: var(--text-color);
}

.github-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

.github-link:hover {
  color: var(--primary-dark);
}

.about-stats {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.stat-card {
  text-align: center;
  padding: 2rem;
  background: white;
  border-radius: 12px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.stat-card i {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.stat-card h3 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-color);
  margin-bottom: 0.5rem;
}

.stat-card p {
  color: var(--text-light);
  font-weight: 500;
}

/* Services Section */
.services {
  padding: 80px 0;
  background: var(--background-light);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.service-card {
  background: white;
  padding: 2.5rem;
  border-radius: 12px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  text-align: center;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.service-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}

.service-icon i {
  font-size: 2rem;
  color: white;
}

.service-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-color);
}

.service-card p {
  color: var(--text-light);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.service-card ul {
  list-style: none;
  text-align: left;
}

.service-card li {
  padding: 0.5rem 0;
  color: var(--text-light);
  position: relative;
  padding-left: 1.5rem;
}

.service-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
}

/* Projects Section */
.projects {
  padding: 80px 0;
  background: var(--background-color);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.project-card {
  background: white;
  border-radius: 12px;
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: var(--transition);
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.project-image {
  position: relative;
  height: 250px;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

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

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(37, 99, 235, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

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

.project-link {
  color: white;
  font-size: 2rem;
  text-decoration: none;
  transition: var(--transition);
}

.project-link:hover {
  transform: scale(1.2);
}

.project-content {
  padding: 2rem;
}

.project-content h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: var(--text-color);
}

.project-content p {
  color: var(--text-light);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.project-tech span {
  background: var(--background-light);
  color: var(--primary-color);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
}

/* Contact Section */
.contact {
  padding: 80px 0;
  background: var(--background-light);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info h3 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  color: var(--text-color);
}

.contact-info p {
  color: var(--text-light);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.contact-items {
  margin-bottom: 2rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-item i {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-top: 0.2rem;
}

.contact-item h4 {
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
  color: var(--text-color);
}

.contact-item p {
  color: var(--text-light);
  margin: 0;
}

.social-links h4 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: var(--text-color);
}

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

.social-icons a {
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  text-decoration: none;
  transition: var(--transition);
}

.social-icons a:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
}

.contact-form {
  background: white;
  padding: 2.5rem;
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.contact-form h3 {
  font-size: 1.8rem;
  margin-bottom: 2rem;
  color: var(--text-color);
}

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

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  font-size: 1rem;
  transition: var(--transition);
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* Footer */
.footer {
  background: var(--text-color);
  color: white;
  padding: 50px 0 20px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.footer-logo i {
  font-size: 2rem;
  color: var(--primary-color);
}

.footer-section h4 {
  font-size: 1.2rem;
  margin-bottom: 1rem;
  color: white;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section ul li a {
  color: #94a3b8;
  text-decoration: none;
  transition: var(--transition);
}

.footer-section ul li a:hover {
  color: white;
}

.footer-section p {
  color: #94a3b8;
  line-height: 1.6;
}

.footer-section p i {
  margin-right: 8px;
  color: var(--primary-color);
}

.footer-bottom {
  border-top: 1px solid #374151;
  padding-top: 2rem;
  text-align: center;
  color: #94a3b8;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: white;
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: var(--shadow);
    padding: 2rem 0;
  }

  .nav-menu.active {
    left: 0;
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-text h1 {
    font-size: 2.5rem;
  }

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

  .about-stats {
    flex-direction: row;
    justify-content: space-around;
  }

  .contact-content {
    grid-template-columns: 1fr;
  }

  .hero-buttons {
    justify-content: center;
  }

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

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

  .skill-list {
    grid-template-columns: 1fr;
  }

  .image-container {
    width: 300px;
    height: 300px;
  }

  .floating-icons i {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .hero-text h1 {
    font-size: 2rem;
  }

  .section-header h2 {
    font-size: 2rem;
  }

  .about-stats {
    flex-direction: column;
  }

  .contact-form {
    padding: 1.5rem;
  }

  .container {
    padding: 0 15px;
  }

  .hero {
    padding: 100px 0 60px;
  }
}

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

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

.animate-fadeInUp {
  animation: fadeInUp 0.6s ease-out;
}

/* Gradient Text */
.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--background-light);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-dark);
}
/* Loading Ekranı */
.portfolyo-loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #1e3c72 0%, #2a5298 50%, #1e3c72 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 1s ease-out;
}

.portfolyo-loading-screen.portfolyo-fade-out {
  opacity: 0;
  pointer-events: none;
}

.portfolyo-code-spinner {
  font-size: 4rem;
  color: #00d2ff;
  animation: portfolyoCodeRotate 2s linear infinite;
  margin-bottom: 2rem;
  filter: drop-shadow(0 0 20px rgba(0, 210, 255, 0.6));
  position: relative;
}

.portfolyo-code-spinner::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 120px;
  height: 120px;
  border: 3px solid rgba(0, 210, 255, 0.2);
  border-top: 3px solid #00d2ff;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: portfolyoSpin 1.5s linear infinite;
}

.portfolyo-code-spinner::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 80px;
  height: 80px;
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-bottom: 2px solid #fff;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: portfolyoSpin 1s linear infinite reverse;
}

@keyframes portfolyoCodeRotate {
  0% {
    transform: rotate(0deg) scale(1);
  }
  25% {
    transform: rotate(90deg) scale(1.1);
  }
  50% {
    transform: rotate(180deg) scale(1);
  }
  75% {
    transform: rotate(270deg) scale(1.1);
  }
  100% {
    transform: rotate(360deg) scale(1);
  }
}

@keyframes portfolyoSpin {
  0% {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  100% {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

.portfolyo-loading-text {
  color: white;
  font-size: 1.5rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: 1rem;
  animation: portfolyoPulse 2s ease-in-out infinite;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

@keyframes portfolyoPulse {
  0%,
  100% {
    opacity: 0.7;
  }
  50% {
    opacity: 1;
  }
}

.portfolyo-loading-dots {
  color: #00d2ff;
  font-size: 2rem;
  animation: portfolyoDots 1.5s steps(4, end) infinite;
}

@keyframes portfolyoDots {
  0%,
  20% {
    content: "";
  }
  40% {
    content: ".";
  }
  60% {
    content: "..";
  }
  80%,
  100% {
    content: "...";
  }
}

.portfolyo-loading-dots::after {
  content: "";
  animation: portfolyoDots 1.5s steps(4, end) infinite;
}