 /* 🎨 Renk değişkeni tanımı */
    :root {
      --main-bg-color: #0a2332;
      --accent-color: #64ffda;
      --text-color: #8892b0;
    }

    @font-face {
  font-family: 'GTProelium';
  src: url('assets/fonts/gt_proelium.otf') format('opentype');
  font-weight: normal;
  font-style: normal;
}
@font-face {
  font-family: 'Hatten';
  src: url('assets/fonts/hatten.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
}

    /* Genel sayfa ayarları */
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      background-color: var(--main-bg-color);
      color: white;
      font-family: Arial, sans-serif;
      overflow-x: hidden;
    }

    /* Üst bar */
    .topbar {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      display: flex;
      justify-content: space-between;
      font-size: 24px;
      font-family: 'GTProelium', sans-serif;
      font-weight: normal;
      align-items: center;
      background-color: rgba(10, 35, 50, 0.95);
      backdrop-filter: blur(10px);
      padding: 10px 60px;
      height: 80px;
      z-index: 1000;
    }

    /* Logo */
    .logo {
      font-size: 1.4rem;
      font-weight: bold;
    }

    .logo img {
      height: 50px;
      width: auto;
    }

    /* Menü bağlantıları */
    .menu a {
      color: white;
      text-decoration: none;
      margin-left: 40px;
      font-size: 1rem;
      font-weight: 600;
      letter-spacing: 1px;
      transition: color 0.3s;
      position: relative;
    }

    .menu a:hover {
      color: var(--accent-color);
    }

    .menu a::after {
      content: '';
      position: absolute;
      bottom: -5px;
      left: 0;
      width: 0;
      height: 2px;
      background-color: var(--accent-color);
      transition: width 0.3s;
    }

    .menu a:hover::after {
      width: 100%;
    }

    /* Blur daireler - arka plan dekorasyonu */
    .blur-circle {
      position: fixed;
      border-radius: 50%;
      filter: blur(100px);
      pointer-events: none;
      z-index: 1;
    }

    .blur-circle-1 {
      top: 20%;
      left: 50%;
      width: 500px;
      height: 500px;
      background: radial-gradient(circle, rgba(100, 255, 218, 0.15) 0%, rgba(100, 255, 218, 0) 70%);
    }

    .blur-circle-2 {
      bottom: 10%;
      left: 10%;
      width: 400px;
      height: 400px;
      background: radial-gradient(circle, rgba(64, 150, 218, 0.1) 0%, rgba(64, 150, 218, 0) 70%);
    }

    /* Ana bölüm */
    #main {
      min-height: 100vh;
      display: grid;
      grid-template-columns: 1fr 1fr;
      align-items: center;
      padding: 120px 80px 60px;
      gap: 60px;
      position: relative;
      z-index: 2;
    }

    .hero-content {
      max-width: 600px;
    }

    .hero-subtitle {
      color: var(--accent-color);
      font-size: 1.1rem;
      font-weight: 500;
      font-family: 'Hatten', sans-serif;
      margin-bottom: 20px;
      letter-spacing: 2px;
    }

    .hero-title {
      font-size: 4.5rem;
      font-weight: 800;
      line-height: 1.1;
      margin-bottom: 30px;
      font-family: 'GTProelium', sans-serif;
      background: linear-gradient(135deg, #ffffff 0%, var(--accent-color) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .hero-description {
      color: var(--text-color);
      font-size: 1.1rem;
      line-height: 1.8;
      margin-bottom: 40px;
    }

    .contact-button {
      display: inline-block;
      padding: 18px 60px;
      background: transparent;
      border: 2px solid var(--accent-color);
      color: var(--accent-color);
      font-size: 1.1rem;
      font-weight: no;
      font-family: 'Hatten', sans-serif;
      text-decoration: none;
      letter-spacing: 2px;
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
    }

    .contact-button::before {
      content: '';
      position: absolute;
      top: 0;
      left: -100%;
      width: 100%;
      height: 100%;
      background: var(--accent-color);
      transition: left 0.3s ease;
      z-index: -1;
    }

    .contact-button:hover::before {
      left: 0;
    }

    .contact-button:hover {
      color: #0a2332;
    }

    /* Görseller alanı */
    .hero-visual {
      display: flex;
      justify-content: center;
      align-items: center;
      position: relative;
    }

    .developer-illustration {
      max-width: 70%;
      height: auto;
      filter: drop-shadow(0 20px 40px rgba(100, 255, 218, 0.2));
    }

    /* Sosyal medya iconları */
    .social-links {
      position: fixed;
      bottom: 60px;
      right: 80px;
      display: flex;
      gap: 30px;
      z-index: 100;
    }

    .social-links a {
      width: 50px;
      height: 50px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      background: rgba(100, 255, 218, 0.1);
      border: 2px solid transparent;
      transition: all 0.3s ease;
    }

    .social-links a:hover {
      border-color: var(--accent-color);
      transform: translateY(-5px);
      background: rgba(100, 255, 218, 0.2);
    }

    .social-links svg {
      width: 24px;
      height: 24px;
      fill: var(--accent-color);
    }

    /* Diğer bölümler */
    .section {
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 100px 80px;
      position: relative;
      z-index: 2;
    }

    .section-content {
      max-width: 1200px;
      width: 100%;
    }

    .section h1 {
      font-size: 3rem;
      margin-bottom: 1rem;
      font-family: 'GTProelium', sans-serif;
      color: var(--accent-color);
    }

    .section p {
      font-size: 1.2rem;
      line-height: 1.8;
      color: var(--text-color);
    }

    /* Responsive */
    @media (max-width: 1024px) {
      #main {
        grid-template-columns: 1fr;
        padding: 120px 40px 60px;
      }

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

      .topbar {
        padding: 10px 40px;
      }

      .social-links {
        right: 40px;
      }
    }

    @media (max-width: 768px) {
      .hero-title {
        font-size: 2.5rem;
      }

      .menu a {
        margin-left: 20px;
        font-size: 0.9rem;
      }

      .section {
        padding: 80px 30px;
      }
    }

     /* ABOUT Section */
#about .section-content {
  display: grid;
  grid-template-columns: 350px 1fr; /* profil sabit, about-text esnek */
  gap: 60px;
  align-items: start;
}

/* Profil kutusu */
.profile-container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Profil resmi */
.profile-image {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  border: 4px solid var(--accent-color);
  overflow: hidden;
  margin-bottom: 30px;
  position: relative;
}

.profile-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Sosyal ikonlar */
.profile-socials {
  display: flex;
  justify-content: center;
  gap: 20px;
}

.profile-socials a {
  width: 45px;
  height: 45px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(100, 255, 218, 0.1);
  border: 2px solid rgba(100, 255, 218, 0.3);
  transition: all 0.3s ease;
}

.profile-socials a:hover {
  background: rgba(100, 255, 218, 0.2);
  border-color: var(--accent-color);
  transform: translateY(-3px);
}

.profile-socials svg {
  width: 20px;
  height: 20px;
  fill: var(--accent-color);
}

/* About metni */
#about .section-content {
  display: grid;
  grid-template-columns: 350px 1fr; /* Profil sabit, about-text esnek */
  gap: 60px;
  align-items: start;
}

/* Profil */
.profile-container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* About metni */
.about-text {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 100%;       /* sütun boyunca genişle */
}

.about-text h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
}

.about-text h2 {
  font-size: 2rem;
  color: white;
  font-family: 'GTProelium', sans-serif;
  margin-bottom: 20px;
}

.about-text p {
  margin-bottom: 16px;
  line-height: 1.6;
  color: #cfd8dc;
  width: 100%;       /* sütun boyunca genişle */
}



    /* SKILLS Section */
    .skills-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 40px;
      margin-top: 40px;
    }

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

    .skill-icon {
      width: 80px;
      height: 80px;
      margin: 0 auto 15px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 12px;
      background: rgba(100, 255, 218, 0.1);
      transition: all 0.3s ease;
    }

    .skill-item:hover .skill-icon {
      transform: translateY(-10px);
      background: rgba(100, 255, 218, 0.2);
    }

    .skill-icon img {
      width: 50px;
      height: 50px;
      object-fit: contain;
    }

    .skill-name {
      font-size: 1.1rem;
      color: white;
      margin-bottom: 10px;
    }

    .skill-bar {
      width: 100%;
      height: 8px;
      background: rgba(100, 255, 218, 0.1);
      border-radius: 10px;
      overflow: hidden;
      margin-top: 10px;
    }

    .skill-progress {
      height: 100%;
      background: linear-gradient(90deg, var(--accent-color), #4096da);
      border-radius: 10px;
      transition: width 1s ease;
    }

    /* PROJECTS Section */
    /* Projeler bölümünün genel ayarı */#project .section-content {
  text-align: center;
  padding: 60px 20px;
}

/* Projeler grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr); /* Her satırda 3 kart */
  gap: 30px;
  margin-top: 40px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 20px;
}

/* Her proje kartı */
.project-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 30px;
  background-color: transparent;
  border: 3px solid #00D2B8; /* Turkuaz çerçeve */
  border-radius: 0; /* Keskin köşeler */
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-sizing: border-box;
  min-height: 400px; /* Kartların eşit yükseklikte olması için */
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(0, 210, 184, 0.3); /* Turkuaz gölge */
}

/* Proje görseli */
.project-icon img {
  width: 100px;
  height: 100px;
  object-fit: cover;
  margin-bottom: 20px;
  border-radius: 0; /* Keskin köşeler */
}

/* Başlık ve açıklama */
.project-title {
  font-size: 24px;
  margin-bottom: 15px;
  font-family: 'Hatten', sans-serif;
  font-weight: normal;
  color: #fff;
}

.project-description {
  font-size: 0.95rem;
  margin-bottom: 20px;
  color: #cfd8dc;
  flex-grow: 1; /* Açıklama alanı esner, buton alta iner */
}

/* Buton */
.project-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background-color: #00D2B8;
  color: #06202B;
  font-family: 'GTProelium', sans-serif;
  font-weight: normal;
  font-size: 15px;
  text-decoration: none;
  border-radius: 0; /* Keskin köşeler */
  transition: background-color 0.3s ease, transform 0.2s ease;
}

.project-link:hover {
  background-color: #00bfa0;
  transform: scale(1.05);
}

.github-icon {
  width: 20px;
  height: 20px;
  fill: #06202B;
}

/* Responsive tasarım */
@media (max-width: 1024px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr); /* Orta ekranlarda 2'li */
  }
}

@media (max-width: 768px) {
  .projects-grid {
    grid-template-columns: 1fr; /* Mobilde tek sütun */
  }
  
  .project-card {
    min-height: auto;
  }
}

    /* Responsive */
    @media (max-width: 1024px) {
      #main {
        grid-template-columns: 1fr;
        padding: 120px 40px 60px;
      }

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

      .topbar {
        padding: 10px 40px;
      }

      .social-links {
        right: 40px;
      }

      #about .section-content {
        grid-template-columns: 1fr;
        text-align: center;
      }

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

    @media (max-width: 768px) {
      .hero-title {
        font-size: 2.5rem;
      }

      .menu a {
        margin-left: 20px;
        font-size: 0.9rem;
      }

      .section {
        padding: 80px 30px;
      }

      .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      }
    }

    /* Keyframe Animasyonları */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-25px);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

@keyframes blurMove1 {
  0%, 100% {
    transform: translate(0, 0) scale(1);
    opacity: 0.15;
  }
  25% {
    transform: translate(100px, -80px) scale(1.2);
    opacity: 0.2;
  }
  50% {
    transform: translate(-50px, 100px) scale(0.9);
    opacity: 0.12;
  }
  75% {
    transform: translate(80px, 50px) scale(1.1);
    opacity: 0.18;
  }
}

@keyframes blurMove2 {
  0%, 100% {
    transform: translate(0, 0) scale(1);
    opacity: 0.1;
  }
  25% {
    transform: translate(-120px, 60px) scale(0.8);
    opacity: 0.15;
  }
  50% {
    transform: translate(60px, -90px) scale(1.3);
    opacity: 0.08;
  }
  75% {
    transform: translate(-80px, -50px) scale(1);
    opacity: 0.12;
  }
}

@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(100, 255, 218, 0.3);
  }
  50% {
    box-shadow: 0 0 40px rgba(100, 255, 218, 0.6), 0 0 60px rgba(100, 255, 218, 0.4);
  }
}

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

@keyframes lineGrow {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}

@keyframes centerLineGrow {
  from {
    width: 0;
  }
  to {
    width: 80px;
  }
}

/* ============================================
   BLUR DAIRELER ANIMASYONU
   ============================================ */
.blur-circle-1 {
  animation: blurMove1 25s ease-in-out infinite;
}

.blur-circle-2 {
  animation: blurMove2 30s ease-in-out infinite;
}

/* ============================================
   HEADER ANIMASYONLARI
   ============================================ */
.topbar {
  animation: fadeInUp 0.8s ease-out;
}

.logo img {
  transition: transform 0.5s ease;
}

.logo img:hover {
  transform: rotate(360deg) scale(1.15);
}

.menu a {
  position: relative;
  transition: all 0.3s ease;
}

.menu a::before {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
  transition: width 0.4s ease;
}

.menu a:hover::before {
  width: 100%;
}

.menu a:hover {
  transform: translateY(-3px);
  text-shadow: 0 0 20px rgba(100, 255, 218, 0.5);
}

/* ============================================
   HERO SECTION ANIMASYONLARI
   ============================================ */
.hero-content {
  animation: fadeInLeft 1s ease-out;
}

.hero-visual {
  animation: fadeInRight 1s ease-out;
}

.developer-illustration {
  animation: float 5s ease-in-out infinite;
}

.hero-subtitle {
  animation: fadeInUp 1s ease-out 0.2s backwards;
}

.hero-title {
  animation: fadeInUp 1.2s ease-out 0.4s backwards;
}

.hero-description {
  animation: fadeInUp 1.4s ease-out 0.6s backwards;
}

.contact-button {
  animation: fadeInUp 1.6s ease-out 0.8s backwards;
  position: relative;
  overflow: hidden;
}

.contact-button::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s ease, height 0.6s ease;
}

.contact-button:hover::after {
  width: 400px;
  height: 400px;
}

.contact-button:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(100, 255, 218, 0.4);
}

/* ============================================
   SOSYAL MEDYA İKONLARI
   ============================================ */
.social-links {
  animation: fadeInUp 2s ease-out 1s backwards;
}

.social-links a {
  transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  position: relative;
}

.social-links a::before {
  content: '';
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  background: linear-gradient(45deg, var(--accent-color), #4096da);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
  animation: pulse 2s ease-in-out infinite;
}

.social-links a:hover::before {
  opacity: 0.4;
}

.social-links a:hover {
  transform: translateY(-10px) scale(1.15) rotate(5deg);
}

.social-links svg {
  transition: all 0.3s ease;
}

.social-links a:hover svg {
  fill: white;
  filter: drop-shadow(0 0 15px rgba(100, 255, 218, 0.8));
}

/* ============================================
   ABOUT SECTION ANIMASYONLARI
   ============================================ */
#about .section-content {
  animation: fadeInUp 1s ease-out;
}

.profile-container {
  animation: fadeInLeft 1.2s ease-out 0.2s backwards;
}

.profile-image {
  position: relative;
  transition: all 0.4s ease;
}

.profile-image::before {
  content: '';
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  background: linear-gradient(45deg, var(--accent-color), #4096da);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
  animation: glow 3s ease-in-out infinite;
}

.profile-image:hover::before {
  opacity: 0.5;
}

.profile-image:hover {
  transform: scale(1.08) rotate(2deg);
}

.profile-image img {
  transition: all 0.4s ease;
}

.profile-image:hover img {
  filter: brightness(1.1);
}

.about-text {
  animation: fadeInRight 1.2s ease-out 0.4s backwards;
}

.about-text h1 {
  position: relative;
  display: inline-block;
}

.about-text h1::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-color), transparent);
  animation: lineGrow 1.5s ease-out 0.8s forwards;
}

.about-text h2 {
  animation: fadeInUp 1.4s ease-out 0.6s backwards;
}

.about-text p {
  animation: fadeInUp 1.6s ease-out 0.8s backwards;
}

/* ============================================
   SKILLS SECTION ANIMASYONLARI
   ============================================ */
#skills .section-content h1 {
  animation: fadeInUp 1s ease-out;
  position: relative;
  display: inline-block;
}

#skills .section-content h1::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background: var(--accent-color);
  animation: centerLineGrow 1.2s ease-out 0.5s forwards;
}

.skills-grid {
  animation: fadeInUp 1.2s ease-out 0.3s backwards;
}

.skill-item {
  animation: fadeInUp 0.8s ease-out backwards;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.skill-item:nth-child(1) { animation-delay: 0.2s; }
.skill-item:nth-child(2) { animation-delay: 0.3s; }
.skill-item:nth-child(3) { animation-delay: 0.4s; }
.skill-item:nth-child(4) { animation-delay: 0.5s; }

.skill-item:hover {
  transform: translateY(-15px) scale(1.05);
}

.skill-icon {
  position: relative;
  overflow: hidden;
}

.skill-icon::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent,
    rgba(100, 255, 218, 0.3),
    transparent
  );
  transform: rotate(45deg);
  transition: all 0.6s ease;
}

.skill-item:hover .skill-icon::before {
  left: 100%;
}

.skill-icon img {
  transition: all 0.4s ease;
}

.skill-item:hover .skill-icon img {
  transform: scale(1.3) rotate(10deg);
  filter: drop-shadow(0 0 20px rgba(100, 255, 218, 0.8));
}

.skill-name {
  transition: all 0.3s ease;
}

.skill-item:hover .skill-name {
  color: var(--accent-color);
  transform: scale(1.1);
}

.skill-progress {
  position: relative;
  animation: progressExpand 1.5s ease-out forwards;
  width: 0 !important;
  overflow: hidden;
}

.skill-progress::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 30px;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.4),
    transparent
  );
  animation: shimmer 2s ease-in-out infinite;
}

@keyframes progressExpand {
  to {
    width: var(--target-width) !important;
  }
}

.skill-item:nth-child(1) .skill-progress {
  animation-delay: 0.7s;
  --target-width: 85%;
}

.skill-item:nth-child(2) .skill-progress {
  animation-delay: 0.8s;
  --target-width: 90%;
}

.skill-item:nth-child(3) .skill-progress {
  animation-delay: 0.9s;
  --target-width: 70%;
}

.skill-item:nth-child(4) .skill-progress {
  animation-delay: 1s;
  --target-width: 88%;
}

/* ============================================
   PROJECTS SECTION ANIMASYONLARI
   ============================================ */
#project .section-content h1 {
  animation: fadeInUp 1s ease-out;
  position: relative;
  display: inline-block;
}

#project .section-content h1::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background: #00D2B8;
  animation: centerLineGrow 1.2s ease-out 0.5s forwards;
}

.projects-grid {
  animation: fadeInUp 1.2s ease-out 0.3s backwards;
}

.project-card {
  animation: fadeInUp 1s ease-out backwards;
  transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
}

.project-card:nth-child(1) { animation-delay: 0.2s; }
.project-card:nth-child(2) { animation-delay: 0.3s; }
.project-card:nth-child(3) { animation-delay: 0.4s; }
.project-card:nth-child(4) { animation-delay: 0.5s; }
.project-card:nth-child(5) { animation-delay: 0.6s; }

.project-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 210, 184, 0.1), transparent 50%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.project-card::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent,
    rgba(0, 210, 184, 0.2),
    transparent
  );
  transform: rotate(45deg);
  transition: all 0.6s ease;
  opacity: 0;
}

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

.project-card:hover::after {
  left: 100%;
  opacity: 1;
}

.project-card:hover {
  transform: translateY(-20px) scale(1.03);
  border-color: #00D2B8;
  box-shadow: 0 20px 50px rgba(0, 210, 184, 0.5),
              0 0 30px rgba(0, 210, 184, 0.3);
}

.project-icon {
  transition: all 0.4s ease;
  position: relative;
}

.project-icon img {
  transition: all 0.4s ease;
}

.project-card:hover .project-icon {
  transform: scale(1.15) translateY(-10px);
}

.project-card:hover .project-icon img {
  filter: brightness(1.2) drop-shadow(0 10px 20px rgba(0, 210, 184, 0.4));
}

.project-title {
  transition: all 0.3s ease;
}

.project-card:hover .project-title {
  color: #00D2B8;
  transform: scale(1.05);
  text-shadow: 0 0 20px rgba(0, 210, 184, 0.5);
}

.project-description {
  transition: color 0.3s ease;
}

.project-card:hover .project-description {
  color: #fff;
}

.project-link {
  position: relative;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.project-link::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.project-link:hover::before {
  transform: translateX(100%);
}

.project-link:hover {
  transform: scale(1.1) translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 210, 184, 0.5);
  background-color: #00bfa0;
}

.github-icon {
  transition: all 0.5s ease;
}

.project-link:hover .github-icon {
  transform: rotate(360deg) scale(1.2);
}

/* ============================================
   SECTION BAŞLIKLARI GENEL
   ============================================ */
.section h1 {
  animation: fadeInUp 1s ease-out;
}

/* ============================================
   SCROLL ANIMASYONLARI
   ============================================ */
section {
  scroll-margin-top: 80px;
}

/* ============================================
   RESPONSIVE ANIMASYON OPTİMİZASYONU
   ============================================ */
@media (max-width: 768px) {
  .developer-illustration {
    animation: float 6s ease-in-out infinite;
  }
  
  .blur-circle-1,
  .blur-circle-2 {
    animation-duration: 35s;
  }
  
  .project-card:hover {
    transform: translateY(-10px) scale(1.02);
  }
  
  .skill-item:hover {
    transform: translateY(-10px) scale(1.02);
  }
}

/* ============================================
   PERFORMANS OPTİMİZASYONU
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}