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

 html {
     scroll-behavior: smooth;
 }

 body {
     background-color: #030303;
     color: #ffffff;
     font-family: 'Rajdhani', sans-serif;
     overflow-x: hidden;
     width: 100vw;
     position: relative;
 }

 /* --- AÇILIŞ EKRANI (PRE-LOADER) --- */
 #preloader {
     position: fixed;
     top: 0;
     left: 0;
     width: 100vw;
     height: 100vh;
     background-color: #030303;
     z-index: 9999;
     display: flex;
     flex-direction: column;
     justify-content: center;
     align-items: center;
     animation: fadeOutSystem 0.8s ease-in-out 2.5s forwards;
 }

 .preloader-logo {
     height: 100px;
     animation: bootPulse 1s infinite alternate;
 }

 .system-text {
     font-family: 'Orbitron', sans-serif;
     color: #f26522;
     font-size: 12px;
     letter-spacing: 6px;
     margin-top: 30px;
     text-transform: uppercase;
     animation: textFlicker 0.3s infinite alternate;
 }

 .loading-bar {
     width: 250px;
     height: 1px;
     background: rgba(255, 255, 255, 0.1);
     margin-top: 15px;
     position: relative;
 }

 .loading-bar::after {
     content: '';
     position: absolute;
     top: 0;
     left: 0;
     height: 100%;
     width: 0;
     background: #f26522;
     box-shadow: 0 0 10px #f26522;
     animation: loadProgress 2s cubic-bezier(0.4, 0, 0.2, 1) forwards;
 }

 /* --- ÜST MENÜ VE LOGO --- */
 header {
     position: absolute;
     top: 0;
     left: 0;
     width: 100%;
     display: flex;
     justify-content: space-between;
     align-items: center;
     padding: 30px 50px;
     z-index: 100;
     opacity: 0;
     animation: fadeInContent 1s ease-in-out 3s forwards;
 }

 .logo-header {
     height: 135px;
     color: #f26522;
     object-fit: contain;
 }

 nav {
     display: flex;
     gap: 40px;
 }

 .nav-link {
     text-decoration: none;
     color: #888888;
     font-size: 14px;
     font-weight: 600;
     letter-spacing: 2px;
     text-transform: uppercase;
     transition: all 0.3s ease;
 }

 .nav-link:hover {
     color: #ffffff;
     text-shadow: 0 0 10px rgba(255, 255, 255, 0.4);
 }

 .nav-link.active {
     color: #f26522;
 }

 .nav-link.active:hover {
     color: #ff8547;
     text-shadow: 0 0 15px rgba(242, 101, 34, 0.6);
 }

 /* --- 1. BÖLÜM: ANA EKRAN --- */
 .hero-section {
     width: 100%;
     height: 100vh;
     display: flex;
     flex-direction: column;
     align-items: center;
     justify-content: center;
     position: relative;
     perspective: 1200px;
     opacity: 0;
     animation: fadeInContent 1.5s ease-in-out 3s forwards;
 }

 /* Merkezdeki 3 Boyutlu Hologram Konteyneri */
 .hologram-container {
     position: absolute;
     top: 50%;
     left: 50%;
     width: 850px;
     height: 850px;
     transform: translate(-50%, -50%);
     transform-style: preserve-3d;
     z-index: 0;
     pointer-events: none;
     animation: spinY 45s linear infinite;
     /* Para gibi dikine dönüş */
 }

 /* Sabit Resim (Nefes alma efekti devam ediyor) */
 .hologram-image {
     position: absolute;
     top: 0;
     left: 0;
     width: 100%;
     height: 100%;
     border-radius: 50%;
     object-fit: cover;
     mix-blend-mode: screen;
     animation: hologramPulse 5s ease-in-out infinite alternate;
 }

 /* YENİ: Dönen Enerji Kuyruklu Işıma Halkaları (Tracer Efekti) */
 .hologram-ring {
     position: absolute;
     top: 50%;
     left: 50%;
     border-radius: 50%;
     mix-blend-mode: screen;
 }

 /* Dış Halka (Sağdan Sola / CCW): Uçları Flu Laşan Kuyruklu Parçacık */
 .outer-ring {
     width: 76%;
     height: 76%;
     /* Resmin dış hatlarına göre ayarlandı */
     /* DEĞİŞİKLİK: Border yerine kuyruklu parçacık için degrader kullanıyoruz */
     background-image: conic-gradient(from 0deg, rgba(242, 101, 34, 0.8), transparent 60%);
     /* Merkezin içini boşaltan maske */
     -webkit-mask-image: radial-gradient(transparent 65%, black 66%);
     mask-image: radial-gradient(transparent 65%, black 66%);
     /* DEĞİŞİKLİK: Uçları flu laştırmak için blur ve drop-shadow */
     filter: blur(2px) drop-shadow(0 0 30px rgba(242, 101, 34, 0.7));
     animation: spinOuter 10s linear infinite;
 }

 /* İç Halka (Soldan Sağa / CW): Flu Laşan Kesik Çizgili Kuyruk */
 .inner-ring {
     width: 63%;
     height: 63%;
     /* Resmin iç hatlarına göre ayarlandı */
     /* DEĞİŞİKLİK: Border yerine kuyruklu kesik çizgi degrader */
     background-image: repeating-conic-gradient(rgba(242, 101, 34, 0.9) 0% 1deg, transparent 1deg 4deg),
         conic-gradient(from 0deg, black, transparent 60%);
     /* Degraderleri karıştırmak için */
     background-blend-mode: destination-in;
     /* Merkezin içini boşaltan maske */
     -webkit-mask-image: radial-gradient(transparent 60%, black 61%);
     mask-image: radial-gradient(transparent 60%, black 61%);
     /* DEĞİŞİKLİK: Flu etki */
     filter: blur(1px) drop-shadow(0 0 20px rgba(242, 101, 34, 0.5));
     animation: spinInner 15s linear infinite;
 }

 .ghost-text {
     position: absolute;
     top: 50%;
     left: 50%;
     transform: translate(-50%, -50%);
     font-family: 'Orbitron', sans-serif;
     font-size: 12vw;
     font-weight: 900;
     color: rgba(255, 255, 255, 0.03);
     white-space: nowrap;
     z-index: 1;
     pointer-events: none;
     line-height: 0.85;
     text-align: center;
     user-select: none;
 }

 .center-content {
     position: relative;
     z-index: 20;
     display: flex;
     flex-direction: column;
     align-items: center;
     margin-top: 20px;
 }

 .center-logo {
     height: 120px;
     filter: drop-shadow(0 0 15px rgba(255, 255, 255, 0.1));
     margin-bottom: 10px;
 }

 .subtitle {
     color: #f26522;
     font-size: 16px;
     letter-spacing: 5px;
     text-transform: uppercase;
     font-weight: 700;
     margin-bottom: 40px;
     text-shadow: 0 0 12px rgba(242, 101, 34, 0.5);
     text-align: center;
 }

 .action-btn {
     background: linear-gradient(90deg, #d35400, #e67e22);
     color: white;
     font-family: 'Orbitron', sans-serif;
     font-weight: 700;
     font-size: 14px;
     letter-spacing: 2px;
     padding: 16px 45px;
     border: 1px solid rgba(255, 255, 255, 0.1);
     border-radius: 4px;
     text-transform: uppercase;
     cursor: pointer;
     transition: all 0.3s ease;
     box-shadow: 0 4px 20px rgba(242, 101, 34, 0.2);
     position: relative;
     z-index: 30;
     text-decoration: none;
     display: inline-block;
 }

 .action-btn:hover {
     box-shadow: 0 0 30px rgba(242, 101, 34, 0.7);
     transform: translateY(-2px);
     background: linear-gradient(90deg, #e67e22, #f39c12);
 }

 /* --- 2. BÖLÜM: PROJELER --- */
 .projects-section {
     width: 100%;
     min-height: 100vh;
     background-color: #050505;
     position: relative;
     z-index: 10;
     padding: 120px 50px;
     display: flex;
     flex-direction: column;
     align-items: center;
     border-top: 1px solid rgba(242, 101, 34, 0.15);
 }

 .section-title {
     font-family: 'Orbitron', sans-serif;
     color: #ffffff;
     font-size: 32px;
     letter-spacing: 4px;
     margin-bottom: 80px;
     text-transform: uppercase;
     text-align: center;
 }

 .section-title span {
     color: #f26522;
     text-shadow: 0 0 15px rgba(242, 101, 34, 0.4);
 }

 .projects-grid {
     display: grid;
     grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
     gap: 40px;
     width: 100%;
     max-width: 1200px;
 }

 .project-card {
     background: rgba(255, 255, 255, 0.02);
     border: 1px solid rgba(255, 255, 255, 0.05);
     border-radius: 8px;
     padding: 40px;
     transition: all 0.4s ease;
     position: relative;
     overflow: hidden;
     display: flex;
     flex-direction: column;
 }

 .project-card::before {
     content: '';
     position: absolute;
     top: 0;
     left: 0;
     width: 100%;
     height: 3px;
     background: #f26522;
     transform: scaleX(0);
     transform-origin: left;
     transition: transform 0.4s ease;
 }

 .project-card:hover {
     border-color: rgba(242, 101, 34, 0.3);
     box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(242, 101, 34, 0.1);
     transform: translateY(-10px);
     background: rgba(255, 255, 255, 0.04);
 }

 .project-card:hover::before {
     transform: scaleX(1);
 }

 .card-icon {
     font-size: 40px;
     margin-bottom: 20px;
     filter: drop-shadow(0 0 10px rgba(242, 101, 34, 0.5));
 }

 .project-title {
     font-family: 'Orbitron', sans-serif;
     font-size: 20px;
     color: #ffffff;
     margin-bottom: 15px;
     letter-spacing: 2px;
 }

 .project-desc {
     color: #999999;
     font-size: 15px;
     line-height: 1.6;
     letter-spacing: 0.5px;
 }

 /* --- ANİMASYONLAR --- */
 @keyframes fadeOutSystem {
     to {
         opacity: 0;
         visibility: hidden;
         pointer-events: none;
     }
 }

 @keyframes fadeInContent {
     from {
         opacity: 0;
         transform: scale(0.95);
     }

     to {
         opacity: 1;
         transform: scale(1);
     }
 }

 @keyframes bootPulse {
     from {
         filter: drop-shadow(0 0 5px #f26522) brightness(0.5);
     }

     to {
         filter: drop-shadow(0 0 25px #f26522) brightness(1.2);
     }
 }

 @keyframes loadProgress {
     0% {
         width: 0;
     }

     50% {
         width: 70%;
     }

     100% {
         width: 100%;
     }
 }

 @keyframes textFlicker {
     0% {
         opacity: 0.8;
     }

     100% {
         opacity: 1;
     }
 }

 /* 3D Konteyner (Para) Dönüşü */
 @keyframes spinY {
     0% {
         transform: translate(-50%, -50%) rotateY(0deg);
     }

     100% {
         transform: translate(-50%, -50%) rotateY(360deg);
     }
 }

 /* Dış Halka Dönüşü (Sağdan Sola / CCW) */
 @keyframes spinOuter {
     0% {
         transform: translate(-50%, -50%) rotateZ(0deg);
     }

     100% {
         transform: translate(-50%, -50%) rotateZ(-360deg);
     }
 }

 /* İç Halka Dönüşü (Soldan Sağa / CW) */
 @keyframes spinInner {
     0% {
         transform: translate(-50%, -50%) rotateZ(0deg);
     }

     100% {
         transform: translate(-50%, -50%) rotateZ(360deg);
     }
 }

 /* Resmin Nefes Alma Işıması */
 @keyframes hologramPulse {
     0% {
         opacity: 0.15;
         filter: drop-shadow(0 0 10px #f26522) brightness(0.8);
     }

     100% {
         opacity: 0.60;
         filter: drop-shadow(0 0 50px #f26522) brightness(1.2);
     }
 }